Relationship Between Dryer Machine and Resource Usage

Along with the rapid economic development in China, the large waste of resources have caused the relative shortage of resources , which put forward higher requirements on the drying equipment machinery, the urgent need to deal with a large capacity, high efficiency, energy saving and environmental protection, the safe operation of the drying equipment. Drying machinery is part of the services for the basic industries of energy, transportation and raw materials, the main task is part of the mining of coal, iron and steel, non-ferrous metals, chemicals, building materials and deep processing of raw materials, as well as railways, roads, utilities and other large-scale projects construction to provide technology and equipment to improve efficiency.
The investment prospects of slime dryer is naturally very extensive. First , 0slime dryer is an environmentally friendly drying equipment, such equipment is officially now advocated by the National Legal Policy. Therefore such equipment will be funded by part of the country to invest in some areas of the country. On the other hand, the domestic coal resources as mining, fewer and fewer. Domestic coal prices as long as possible. However the the slime price is very low. Therefore Slime dryer sales just below the price of coal slime drying. Middle profit margins. I survey the market demand for slime has been in short supply in the state. Because inexpensive slime dried. Role with less coal.
Our company is the outstanding enterprise of the slime dryer (peat dryer) manufacturers, slime drying equipment is characterized by slime dryer (peat dryer) overload resistance, large capacity, less fuel consumption, low cost dry; downstream drying, smoke and wet material into the dryer on the same side, you can take advantage of the high temperature flue gas evaporation intensity, low dryer outlet temperature, high thermal efficiency; according to different nature of the material to change the operating parameters, so to be able to form a stable full-cut fabric curtain material in the dryer cylinder of quality heat exchange is more fully; new feeding, nesting devices to eliminate slime dryer feed plug discontinuous phenomenon of uneven and returning materials, reduce the load of the dust removal system; new internal structure, and strengthen the cleaning and thermal conductivity of the materials have been dispersed, to eliminate the phenomenon of the cylinder wall adhesions, the adaptability of the material moisture, sticky stronger; slime dryer to achieve "zero thrust, greatly reduce the wear and tear of riding wheel block, cylinder smooth and reliable; peat dryer with" self-aligning roller-type device, roller and roll circle with never linear contact, thereby greatly reducing the wear and power loss; particle size and moisture control products, according to user requirements ,the product moisture dried slime ups to 8%, the particle size can be controlled in 8mm.


Flotation Concentrator : http://www.mine-crusher.com/flotation-cell.html

The Strengthen of Technology Construction

The information construction is a project that modern society paid more attention , the information technology revolution is another innovative revolution follows the agricultural revolution and the industrial revolution. Every enterprise must be prepared for this war without smoke,while the dryer industry(the dryer machine manufacturers) is no exception. The below is a brief  characteristics description  of the information resources :
1, professional. Enterprise information resources is very different from the other information resources , it has a highly professional. Dryer enterprise, for example, information resources to the enterprise's own body, according to the characteristics and needs of the industry of its own operations, development, collection, processing and finishing with the production and operation of the dryer and related policies, regulations, and technical innovation in the industry developments Recent new product development, competitor status in different periods.
2. Timeliness. Market markets moment in flux (for example, because of the different major dryer enterprises season will make the appropriate adjustment of production and sales adjustments), which companies greater emphasis on information timely and dynamic. Enterprises to be invincible in the market now must grasp the latest market dynamics, its production, operation, management, marketing and other aspects of the change, and even information to predict trends. Updated information in a timely manner, and can be adaptable to meet the market. Only in this way can the development of enterprises to provide accurate and appropriate basis for decision making. If the information loss of timeliness, the enterprise will not be able to make the right boot is no longer valid information.
3, sharing. Enterprise as a whole, a system must be close liaison between the various departments, corporate information may be internal multiple departments and individuals, has shared. Enterprise information resources management to break the limitations of the information resources management departments, and integration management. In short, in the wave of information technology, the dryer enterprises must be able to keep up with the development of the times, otherwise it will pay a painful price.

high efficiency concentrator : http://www.best-crushers.com/ore-concentrate.html
sand washer : http://www.hxjq-crushers.com/8.htm

The Development Challenge Separator Industry Faced

In April 2012, the Chinese Machinery Industry Federation executive vice president Cai Wei-Tze admits that the major economic indicators are achieved steady growth in the first half of this year, but the future of the industry is also facing a number of challenges. this problem becomes more and more significant in the past year , magnetic separator device technology  improven speed too fast will bring big impact to the small magnetic separator device manufacturers .
The first big problem Chinese magnetic separator equipment industry faced is the cost of expenses rise faster, especially in finance charges and interest expense year-on-year high-speed growth and the growth rate of the monthly accelerate the trend. The various elements of cost hikes, magnetic separator equipment has become increasingly difficult operating under the pressure of oversupply. Round of price increases in raw material prices, financing costs, labor costs, at the same time, the overall price index of the magnetic separator equipment industry has always been not more than 102%, quite a few key products prices also continued downward. Finance costs of machinery industry in the first five months of this year grew about 40%, an increase of 28.33 percent over the same period last year.
Secondly, the market order decline rapidly, the finished goods inventory has increased rapidly. First May separator equipment machinery industry key enterprises ordering year-on-year increase of only 7.23%, showing the trend of continued decline, compared with the same period last year more than 30 percent of the growth rate, but also showed a significant downturn in. Future sales of machinery products in China the situation is more difficult.
Finally, the magnetic separator equipment imports of machinery products continued to grow,this phenomenon has a huge impact on China's domestic market. Cai, vice president of the past two years, imports of machinery industry growth has been higher than the export growth rate of the magnetic separator equipment Machinery Industry Foreign Trade has continued deficit in the first half of this year, at the current trend, it is expected that the magnetic separator equipment machinery industry may be in reproduce the foreign trade deficit for the year after a lapse of six years.
"Twelfth Five-Year" period is to deepen reform, economic development transformation accelerating period, facing the above challenge, Chinese magnetic separator equipment machinery industry must push forward structural adjustment to accelerate the transformation and upgrading. increase the pace of "going out" efforts to expand exports, alleviate the problem of insufficient domestic orders.


Mobile impact crusher : http://www.hxjq-crushers.com/impact-crusher.html
Impact stone crusher : http://www.hxjqcrusher.com/crusher/Mobile-impact-crusher.html
Bucket sand washer : http://www.best-crushers.com/sandwasher.htm

The Development Trend of Magnetic Separator Industry

Under the new economic situation of 2012 , Chinese machinery market has produced a series of new magnetic separator equipment, which not only used in the mining industry, but also the timber industry, mining, ceramic, chemical, food and other plants! With China's sustained and rapid economic development, the steel industry is developing rapidly. the ore demand of domestic iron and steel enterprises has increased rapidly , domestic mine production has been far short of needs, therefore, they had to rely on high-quality iron ore resources abroad for decades, the majority of the beneficiation workers for China's iron ore resources "poor, fine " these two characteristics miscellaneous features carried out a lot of research work to solve many technical problems, have made great progress and development of Chinese iron ore beneficiation technology has greatly improved the overall level. Especially in recent years, the development and successful application of new efficient sorting equipment, new efficient flotation reagent, as well as a new separation process. The breakthrough has been made so that the beneficiation process indicators.
The market new magnetic separator is mainly focused on the magnetic and beneficiation form, permanent magnet drum magnetic separator, dry magnetic separator, magnetic separation machine. Magnetic drum magnetic separator for cylinder surface magnetic field strength is much higher than ordinary permanent magnetic separator, easy to operate and maintain, and has a significant energy saving performance when used in various types of concentrator site. Permanent drum magnetic separator magnetic separator cylinder can be equipped with three tank that half countercurrent tank (CTB), downstream trough (CTS) and countercurrent tank (CTN), in order to adapt to the different sorting requirements. Dry magnetic separator for dry magnetic mineral separation, magnetic separation machinery, relative to wet magnetic separator liquid to use as a diluent to improve the efficiency of separation in terms of sorting minerals, dry magnetic separation machine requires dry mineral separation between particles can move freely into the independent free state, otherwise it will affect the magnetic effect, and may even cause the serious consequences of non-separation. Wet magnetic separator is commonly used in the iron ore equipment (iron ore magnetic separator) and manganese equipment (the manganese magnetic separator),which is a kind of mainstream high intensity magnetic separation beneficiation equipment. Wet permanent magnetic drum magnetic separator iron ore processing plants generally use the magnetic separator, which applies to the election of strongly magnetic mineral.


ore feeder : http://www.crusher-export.com/mineral-feeding-machine.html
Ore Rod Mill : http://www.china-crusher.com/limestone-rod-mill.html

The Best Equipment of Impact Crusher

Today, China is still a big country that regard the heavy industry as center , various heavy industries are endless,all kinds of heavy machinery are under the continuous improvement . In this development tide , the sprung ease of our company  occupy an important space in the heavy industry.
Our company attaches great importance to the building of enterprise culture and product quality assurance. Take its Impact Crusher as example, this is definitely the top grade  in the field. it is used widely in the industrial field operation is relatively simple broken models. Comprehensive and broken it's broken varieties extraordinary results, it can complete two or three broken granite, limestone, concrete pavement materials.
In addition to the broken type are various, the complete effect is good , its work efficiency of complete crushing work is higher. Because the kinds of impact crusher structure is simple, easy maintenance making it broken than large, its highest crushing ratio can reach more than 100, the rough broken crusher feed size up to several cm.The crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. we all know that the mining crusher refers to the crushing machinery whose content is   more than 50% of the total content, the row compound particle size is greater than three millimeters. It is invented by British Hengan. according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. The commonly used equipments are compound crusher, single stage hammer breaker, vertical crusher, gyratory crusher, roll crusher machines, double roll crusher, combo crusher, and so on.
The impact crusher of our company is  a kind of economical and practical machine. First, it is the high economic efficiency, because it can lower power consumption, but in case the lower power consumption is low, it can be well done crushing operations. Second, it is the material constitutes a major new wear-resistant materials, coupled with contrasting panels and linings, these three items can prolong its life. So this Crusher able to fully meet the needs of people on the economic benefits and practicality.
Pursue excellent, build quality. Our company enjoy the excellent reputation in the industry with the unique gear counterattack liner, its unique design is particularly suitable for hard rock crushing and energy efficient; that is the reason why it is trusted  in the field.
Grinding Rod Mill : http://www.ore-machine.com/wet-rod-mill.html
Feeder Machine : http://www.crusher-export.com/feeder.html
high frequency vibrating screen : http://www.best-crushers.com/ore-screen.html

The Perfect Cone Crusher That Crush Hard Rock

The newly developed HPC series hydraulic cone crusher of our company not only improves the production capacity and crushing efficiency, but also expand the range of applications, from limestone to basalt, from stone production to various ore crushing, it can be applicated to various kinds of fine crushing, coarse crushing, super fine crushing, and provide unparalleled crushing performance in waves, crushing, crushing operations, in today's mine construction industry, this new generation cone crusher is the ideal equipment for large stones factory and mining crushing. We all know that the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer crusher, impact crusher, roll crusher, compound crusher. Jaw crusher (jaw crusher), having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact crusher can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio, cubic particles advantages of material was broken; PF-II series impact crusher machine, suitable for crushing hard materials, such as cement crusher, with a production capacity of the material advantages of small particle size.
Compared to the spring cone crusher and the general hydraulic cone crusher, HPC series hydraulic efficient hydraulic cone crusher has these following more advantages: 1. the new HPC Series high efficiency Hydraulic Cone broken configuration includes Insurance cylinder lock cylinders and hydraulic push cylinder these three hydraulic insurance agencies, not only play a role as insurance, but also to achieve fault in the case without disassembly of the machine parts. 2.Automatically adjust the size of the discharge, ease of operation, and reliability. 3. The crushing chamber adopts the laminated principle intergranular special design, with the corresponding speed significantly improve crushing ratio and production, to increase the content of the finished material cube. 4. In the case of iron and instantly stuffy car, machine-hydraulic roof, automatic nesting, greatly reducing the old-fashioned spring cone crusher need downtime artificial nesting troubles, easy maintenance and lower costs. 5.Hydraulic adjustment, thin oil lubrication and effective labyrinth seal, fundamentally eliminate the common failure of the old-fashioned spring cone crusher oil and water mix. 6. Broken wall, rolling acetabular wall high-manganese steel production, coupled with the crushing cavity change and laminated material layer of protection when the broken, greatly reduce the wear of the machine, compared to old-fashioned cone crusher ,its general service life increased by 35% -82 %.


Vibrating grizzly feeder : http://www.hxjqcrusher.com/crusher/China-vibrating-feeder.html
Concentrator table : http://www.hxjq-crushers.com/concentrator.html

The Application Field of Vibrating Screen

Our company is an enterprise which specialize in the mining crushing equipment (crusher), building sand (sand making machine), high-tech industrial milling equipment (mill) production-oriented enterprises. Our cmpany's products design innovative , grinding efficiency is high, the consumption save is high, compared with similar products ,having the features of  innovative and excellent, which is the best metallurgical industry among various mineral grinding equipments. We have strived to create the most cost-effective supplier of mining equipment industry!
The vibration machines are widely applicated in metallurgy, mining, building materials, water conservancy construction, highway construction and many industries. With the improvement of the level of technology in our various industries and production technology development, there is an urgent need to deal with a large capacity, high screening efficiency, reliable operation of screening equipment, especially the large amount of processing difficult screening materials, efficient screening operations is so. Therefore, at home and abroad have spared no effort the vibration machinery large-scale development of intelligent, thereby reducing the number of vibrating machinery, reduce the cost of equipment and equipment management costs; reduce plant area; reduce the initial base investment; facilitate the implementation of automatic detection and automatic control.
In recent years, energy-saving, environmental protection, and reduce consumption have become the main directions of the country's sustainable development.our country is a large energy country, both producing countries and consuming countries. Efficient use of resources has become an important strategic development of the country. National development planning the vibration machinery industry has brought significant development opportunities. The central government in the national economic and social development of the 11th Five-Year Plan "has clearly pointed out the need to develop a significant impact on major technical equipment, including large metallurgical equipment, large-scale screening washing equipment. Vibration machines are mainly used in steel, power and energy industry, and also widely used in traffic road industry. Here we have from the development of major industries to predict future market capacity of vibrating machinery industry, and thus have a more full understanding of the future development of vibration industry.
In accordance with the temperature of the screen material,the vibration screening machinery is divided into cold griddle and heat griddle these two categories, cold griddle use a wider range of it except for metallurgy, coal, mining, building materials and other industries, in recent years, water conservancy construction, highway construction applications. Vibrating machine has very broad prospects in the industry, the increasing demand of the domestic market.
As China's industrialization and urbanization continues to accelerate, the national economy has grown rapidly,the level of production technology has improven continuously , the total mileage of highway construction in China is expected to grow  rapidly , in particular, the proportion of high-grade highways will continue to enhance.

Stone crusher plant : http://www.crusher-export.com/hammer_crusher.htm
Ball mill : http://www.mine-crusher.com

Performance Advantages and Future of Cone Crusher

Our company absorbs the world advanced crushing technology to develop the hydraulic cone crusher. The device is widely used in the mining industry, metallurgical industry, construction industry, road building industry, chemical industry and silicate industry fields, and applied to crush the medium hardness ores and rocks. The device have the characteristics of large crushing ratio, high efficiency, high handling capacity, low operation cost, easy adjustment, economic,and so on.
The development course of cone crusher 
The cone crusher was originally designed by the Americans Simmons brothers, began to be applied to the processing plant in about 1920. U.S. A. C Company developed the hydraulic cone crusher in 1948 , can not enter the crushing chamber debris discharged in the operation of the machine and adjust the size of the discharge mouth operation, the broken product particle size uniformity; 1970s developed the automatic controller successfully that used to control the hydraulic cone crusher.
Performance advantages of hydraulic cone crusher
Combined with our years of practice ,the  hydraulic cone crusher we developed has a competitive advantage in the peers of similar products.
First, the company specialized mass production, the main parts are made by professional machine, by own own processing accuracy advantage only in accordance with the requirements of the drawings of precision manufacturing, in terms of performance to superior; 24 hour camera surveillance, we conduct strict monitoring to every aspect of them ,only in this way, can we ensure the product quality.
Second, in the design aspects of cone crusher,  according to its working principle,we make the eccentric sleeve coincide the two centerline of the intersection with somatic spherical center point, so you can play a cone crusher maximum the broken torque and stability.
Third, Hydraulic clean cavity,  degree of automation is high , while the cavity to increase the number of clear cavity cylinder correspondingly reduce the oil pressure of the hydraulic system, so that the hydraulic system oil spill is not easy to work, more reliable and convenient.
Fourth, the consumption of wearing parts is less, all of the the wearable accessories were using the company's patented products, no peer ratio and.
Hydraulic cone crusher market prospects
In recent years, the field of infrastructure construction in China continued has developed at high-speed, greatly expands the gravel aggregate demand market, has brought opportunities to the mining construction industry. Excellent quality construction sand and gravel aggregate will be warmly welcomed by the market.

Mobile jaw crusher : http://www.hxjqcrusher.com/Jaw-crusher.html
ore beneficiation : http://www.mine-crusher.com/news_115.htm

Necessary Knowledge of Cone Crusher Operation

We all know that the mining crusher refers to the crushing machinery whose content is   more than 50% of the total content, the row compound particle size is greater than three millimeters. It is invented by British Hengan. according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. The commonly used equipments are compound crusher, single stage hammer breaker, vertical crusher, gyratory crusher, roll crusher machines, double roll crusher, combo crusher, and so on.

When the operators  operate the  the crusher, they must contain  certain important skills, only in this way, can they  ensure maximum machine production, and also to be able to ensure that the machine will not wear out quickly. So what exactly is the cone crusher operation knowledge the operator should  master ? Now let us look together :
1. Before starting the cone crusher ,we must check whether crushing chamber for raw materials on the inside, if the raw materials, will burn out the motor start overload. Lead to burn out the motor there to feed on the allocation of disk material uneven. This is because when the feed too much, because it exceeds the load of the crusher will burn out the motor.
2. When feeding the cone crusher , we need to pay attention to the specifications of the raw materials can not exceed the standard requirements, generally speaking, the experience will not exceed 80 percent of the required standard. This is because if the material specification is too large, it will occupy the the crushing cavity space, result in a slowdown of the machine operation and affect the production yield. Also makes the raw card to damage the internal parts in the crushing chamber.
3. the experienced cone crusher operator will stop feeding before stopping the cone crusher . This is because the stop crusher, when the machine is running slow, the added material and did not decrease, this will cause damage to the inside of the machine parts. Another to stop Crusher, be sure to clean up the remaining clean crushing chamber of a small amount of raw materials, these raw materials in it, the next time you turn it will damage the machine.
Crusher operator must maintenance machine regularly , only in this way,  the machine will always  work at its best condition , the production amount can be higher. Cone crusher, but also pay special attention to the machine's hydraulic system, check for leakage and other phenomena.

 Stone crusher plant : http://www.crusher-export.com/hammer_crusher.htm
cone crusher : http://www.ore-mills.com/cone-crusher.html

Significance of advanced sand production line

Either the construction industry or the high-speed rail, highways and other construction, they are all the basic construction of the country, and they can not do without the use of gravel in the construction of each item, so the development of these industries also contributed to the invisible sand and gravel industrydevelopment, and community development. Mountain climbers in heavy industry insiders analysis, future development, use of gravel will gradually increase, and sand making production line requirements become increasingly high, not the demand of different industries on gravel the same.
In order to meet the needs of different types of gravel, sand making production line machinery and equipment requirements have become more sophisticated, more stringent each gravel equipment manufacturers are constantly on these machines to be updated updating in order to keep up with the trend of the times, to catch up with consumer demand, but even in the pursuit, constantly updated, and each company's technical support, production of the machine's various performance and the use of life etc. aspects are not the same.

As we all know ,the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer breaker, impact breaker, roll crusher, compound crusher. Jaw breaker (jaw breaker), having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact crusher can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio, cubic particles advantages of material was broken; PF-II series impact crusher machine, suitable for crushing hard materials, such as cement crusher, with a production capacity of the material advantages of small particle size.
As China's advanced the gravel equipment manufacturers, both production technology or product quality of our company   walk in the forefront of the country, and we will continue to develop and experiments on sand production line. Independent research and development of various products used in the manufacture of machine wear-resistant materials, enhanced continuous improvements in various parts of the service life of the equipment, and increase the total system of sand in a certain period of time, to achieve the advanced level in China, no longer need a cumbersome process, reducing the time and energy wasted during maintenance and easy maintenance, allow consumers to create a higher profit in the same period of time. Which has also accelerated the construction of our infrastructure.
 cement mill : http://www.best-crushers.com/cementmill.htm
ore beneficiation : http://www.mine-crusher.com/news_115.htm

Present situation reserch of the mining machinery

After decades of efforts , Chinese mining machinery industry has developed by leaps and bounds, but compared to the development  level of the  abroad industry , there is still  a large gap, the gap is especially large in the crusher, crusher, stone crusher  and other large mining equipment and downhole equipment, such as crushed stone production line of large mining machinery products, manufacturing quality, appearance, reliability, service life, design standards .
In recent years, through the introduction of products and technologies, the joint venture with foreign famous manufactures, our country's mining mechanical industry speed up the improvement and repalcement of production techanical content. Our company and the many other domestic  manufacturers of mining machinery make great progress , some  traditional crusher, roller, vibrational circular sieve machine are carried out the structure, performance improvements, product manufacturing process also will be further improved.  according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer  breaker, impact breaker, roll  breaker, compound crusher. Jaw  breaker (jaw  breakerr), having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact  breaker can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio, cubic particles advantages of material was broken; PF-II series impact breaker machine, suitable for crushing hard materials, such as cement crusher, with a production capacity of the material advantages of small particle size.
Typical domestic mining machinery industry manufacturers: our company ,and so on.  With the improvement of products technology and the successful operation of company, our company has become a large manufacture and export bass of chinese large crushing mechanical production.
The mining machinery and equipment are long-term in the situation  of heavy load , and the suffered load changes with the irregular movement of time, so various safety potential hazards exist, if the danger is found late, immersurable personal and property losses will be caused. Although many kinds of modern checking equipments emerges, duo to the hinder of mining mechanical enviroment and its own technology level , some unpreidctable things happen from time to time. Although many difficulties  exist now, they will be sloved one day.

 Vibratory feeder : http://www.china-crusher.com/vibrating-feeder1.html
Raymond mill : http://www.china-crusher.com/raymond-mill2.html

Serious Consequences of Construction Waste

Before 2012, the Fifth Sun, solar storms, magnetic pole reversal, the Mayan calendar, these words are continuly concerned by  humankind. However, a recent archaeological discoveries overturned this theory with the Mayan calendar itself.  in accordance with the newly excavated Mayan calendar, the so-called 2012 and will not come, but will continue to the several thousands of years in the future. Mayan "declared: after december 22, 2012, the Earth will continue to exist.
With the city extension, the growth rate of urban renovation project is roaringly increased,which inspired the construction, building materials and related industries flourished . However, while the construction industry develops , some people see the  behind of development prospects of the construction waste industry, many companies across the country began to put this line, the development of the construction waste disposal, which means being crazy engulfed cities killer - the imminent demise of the construction waste.
The Construction Debris use scientifically are no longer a novelty in the international community , some developed countries, the construction waste disposal technology has reached a pinnacle. This is not only an affirmation of the development of construction waste disposal industry, in the construction waste disposal(such as the waste produced by the ore benefication ,magnetic separator), recycling, reuse save energy and resources, clean production, since the closed circular economy industrial chain, the protection of human environment, and the path of sustainable development The virtuous circle of road.
Along with the arrival of 2012, our country have introduced the relevant policies, and vigorously promote the construction waste disposal. Recently, Zhejiang, Jiangsu, Kunming, Jinan, Xi'an, has introduced some policies to vigorously promote the construction waste recycling technology, while increasing investment in project construction waste comprehensive utilization, the construction waste comprehensive utilization of industrial development to create good development, construction waste disposal equipment accompanied born, which becomes an important construction waste recycling equipment.
Although the performance of Construction waste disposal equipment is superior , market potential is large, its production and research and development of technology has been monopolized by foreign companies, the equipment price is high,   lead time is lond ,which severely restricted the application and dissemination  in the country  . Based on this,  as the technology leader in crushing and screening machinery , in line with the  construction waste resource requirements, major scientific and technological achievements of the crushing and screening machinery industry engineering, industrial capacity, and speed up scientific and technological achievements to productivity transformation, our company proposed the construction waste recycling processing project who have the feature of high annual output, intelligent and energy-saving .
 
        
 

Combination crusher : http://www.ore-machine.com/combination-crusher.html
Rotary kiln : http://www.hxjq-crushers.com/20.htm

Basic Introduction of the Green Mechanical Industry

In recent years, with the rapid development of the infrastructure investment and urbanization, the demand of the national aggregate and artificial sand are also in a period of rapid growth. However, the market is a sword, the gravel industry development not only led to the development of related industries, but also brought over-exploitation of resources, environmental pollution these series of problems ,which proposed new requirements to our aggregates production company, build the high standard gravel production line, thus promoting the development of modern green industry becomes the most important development of the sand and gravel industry.
As to how to carry out the transformation and upgrading of the cement industry, and enhance the development potential . Our company's director pointed out when exploring the upstream gravel aggregate industry chain extension of the cement industry , a sand and gravel aggregate production line must achieve the requirements of "high", "low", make full use of resources, environmental protection, safety and intelligent these eight factors, then it can be considered as a modern high standard production line.
The chairman of our company explain modern gravel production line in respect of its decades of technology and experiences , and conduct these following eight comprehensive scientific commentaries, he noted:
The first point is to let the machine run efficiently. When carrying out the sand production line equipment configuration,it  must be reasonable and effective, and to ensure that the production run can run high production efficiency.
The second point is a high quality product. Gravel production line is put into operation, the production of finished products need to achieve a high grade, the shape good high quality.
The third point is the low capital investment. Early in the production and construction should be placed on full-scale testing of the chemical analysis of raw materials and metal abrasive, choose a good and reasonable host device, the entire production line process layout to be simple, smooth, to minimize the one-time investment.
The fourth point is the low operating costs.which includes the following stems: the lowest operating costs which are invested to gurantee the normal operation of the machine, such as labor cost, shipping cost of sending, and so on;
The fifth point is the high utilization of resources. Fully fusion the cement plants and gravel line , let all products play their own effects as much as possible  , that is, to achieve zero emissions, zero   resources waste;

Cone crushers : http://www.hxjqcrusher.com/Cone-crusher.html
Rotary kiln : http://www.ore-machine.com/rotary-kiln.html

Development Direction Change of the Crushing Plant

Due to a lot of places pursue the rapid industrial economic growth , and continue to invest , develop the cement, gravel, coal, chemical and other industries, resulting in the sharp deterioration of the local ecological environment. Industrial development must foster the sustainable development philosophy, go the road of energy conservation,  environment friendly , for the gravel enterprise,it is important to introduce the new, low-emission or zero emission stone production equipments .
Environmental protection should not only means  the cost of inputs, but rather as the responsibility of gravel enterprises in China. The gravel enterprises should pay more and more attention to energy conservation and environmental protection equipment, insist to use the advanced Aggregate Production, and  the currently most advanced new highly efficient, energy-saving crusher equipment to achieve green development. Our company's gravel production technologies and equipments not only have the features of stable performance, high crushing productivity, uniform size and affordable, but also widely used in our sand and gravel industry by improving the quality of pre-service and post-sales support. And attaches great importance to energy saving and environmental protection, in order to effectively control the dust to escape, and reduce its impact on the operating environment to ensure a clean environment in the workshop, the height the gravel project department is designed to implement the case-based approach, from the overall program to minimize dust link, select less dust equipment; material gap between the tape machine to minimize the transport of materials, strengthen sealed to reduce dust  escape.
The professional stone production lines we produced can be used to aggregate and artificial sand jobs of hard limestone, granite, basalt, river gravel and other materials, water, building materials, highway, urban construction and other industries , they are mainly used in sand production line, at the same time ,The quartz sand production line in the glass ceramic industry, broken limestone production line, chemical industry, calcium carbide, coal gangue crushing, ultra-fine crushing also widely used.
With the accelerating development of our industry, "energy saving" philisophy gradually became the main theme of Chinese industrial development, the country  put much energy conservation pressure on the importance of   bringing high energy consumption, high pollution to the gravel industry enterprises , forcing the sand and gravel industry energies to save energy,    update the gravel production equipments, travel to the  sand industry green development  road , it is believed that we can make great achievements.






jaw breakers : http://www.ore-mills.com/jaw-crusher.html
Jaw crusher : http://www.hxjq-crushers.com

Process and Equipment of the Cement Production Line

The focus of this article- cement production line refers to the production line which composed of a series of devices. It is mainly constituted by crushing and pre-homogenizing, raw material preparation homogenizing, preheat decomposition, the firing of cement clinker, cement grinding packaging,and the other processes.
Cement production line producing method
The representative process in cement production equipment is the silicate cement production process , in this process, the limestone and clay are  main raw materials, after the crushing, ingredients, finely ground, we can obtain the raw materials, and then fed to the cement kilns burning mature, cooked material plus the amount of gypsum (sometimes mixing the mixed material or admixture) ,finally ,we can get the cement.
according to the raw material preparation , cement production equipment methods can be divided into dry process cement production lines (including semi-dry) and wet cement production line (including the semi-wet) these two kinds.
① dry-process cement production process. drying and grinding  raw materials together, or first dried by grinding the raw material powder feeding dry kiln burning mature. But people also the raw material powder ball made of raw material, adding an appropriate amount of water fed into the kiln burning mature Lepol method, called semi-dry, it is still a kind of dry method production.
② wet cement production process. Raw and gouache ground raw slurry feeding wet kiln burning mature. Wet preparation of raw slurry dewatering, made of raw materials after the block into the kiln burning mature method, called semi-wet, still wet production a.
The main advantages of the dry production are: low heat consumption (dry process kiln with preheater heat consumption of clinker for 3140 to 3768 kJ / kg), the disadvantages are not easy even raw ingredients, shop dust, power consumption higher . Wet production has the advantages of simple operation, easy control of raw ingredients, good product quality, convenient slurry transport, small shop dust, high heat consumption (heat consumption of clinker is usually 5234 to 6490 kJ / kg).
Cement production line contains the following devices: cement rotary kiln, the whirlwind preheater, grate cooler
Cement rotary kiln is the main equipment for calcining cement clinker ,which has been widely used in cement, metallurgy, chemical and other industries. The equipment consists of the cylinder, the supporting device, with a gear wheel bearing device, transmissions, activity Yaotou, kiln end sealing device, combustion devices, components, having the features of  simple structure, reliable operation, easy production process control .

Develop Prospect of the Roller Crusher

Society development leads to the rapid development of ore crusher , especially on roll crusher (double-roll crusher).
With the growth of economic , a variety of metal and nonmetal mines, cement plants, construction, sand and metallurgical industries expansion scale is large, its processing equipment - crushers has a very important position and role in its development, which becomes the industry pillars. Expected future efficient, zero-pollution fuel and machinery will have good development prospects. To some extent, reduce the power consumption or advances in system yield, low production problems of cement companies are solved to some extent, the simple and practical multifunctional mechanical, hydraulic, electrical protection systems are implemented.
Roll crusher development is also accelerating, the roll crusher is suitable for cement, metallurgy, chemical, electric power, coal and other industrial sectors for crushing medium hardness materials, such as limestone, slag, coke, coal and other materials broken, crushing operations. Roll crusher's crushing capacity is large, the limit fluid couplings connect the motor and reducer  to prevent power overload , with the sensor overload protection, it is safe and reliable. Tooth roller spacing hydraulic adjustment, the tooth roller bearings centralized lubrication. Toothed design is optimized,  the grain is uniform. The roll crusher works is as follows: The roll crusher is mainly composed of roller, roller support bearing, compression and adjusting device and drive device components.
The roll crusher mainly uses the high-speed rotation of special wear-resistant teeth roller to split  crushing the materials (traditional tooth roll crusher the slow extrusion broken), which forms the high productivity mechanism.
Particle size regulation of the out-feed roll crusher: a wedge or shim are equipped between the roller for adjusting the means, the top of the wedge device is provided with the adjusting bolt, when the adjusting bolt pull up the wedge, the wedge activity roller roof is away from the fixed wheel, two roller gap becomes larger, the expected size larger wedge down activities roller compression spring under two gap becomes smaller, the expected size smaller. The gaskets device is adjusted by changes in the quantity or thickness of the gasket material particle size increase gasket two roller gap larger the two roller gap is smaller when reducing gasket, the expected size smaller . Development of society continues to progress, the professional technologies we have are gradually develops , so the roller crusher technologies are continuously develops, it is also the continuous efforts we make for the social progress.

Operation Skills about the Decomposition Kiln

what is decomposition kiln ?what are the special features and application of decomposition kiln ? Understand gradually some operating issues and skills focusing on the equipments features will contribute to the enhancement of the management level, and also directly helps to the improvement of product quality and cost savings. There are many matters  in this section,we  only listed the following three aspects:
● Narrow the calciner temperature control range Calciner is the core part of the pre-kiln, there are about 60% of the fuel in the combustion, so the apparent decomposition rate can achieve to 85-95% in the rotary kiln . While controlling the  material optimum temperature , we also need to consider the  CaCO3 decomposition rate and the temperature requirements of the fuel low-temperature combustion speed  , under the premise that meeting the above two requirements, the temperature should be kept as low as possible in order to reduce heat loss, so the temperature range should be narrow, generally controlled in a range of plus or minus 20 degrees.
● Furnace plus the maximum amount of coal is limited Due to the wind range in the precalcining kiln, the aggregate amount of the air volume are narrow, and the moment of its kiln feed upper limit of the coal amount  is limited by the wind amount , otherwise,  the incomplete combustion will occur . The calciner instantaneous feed coal quantity is also affected by the constraints of the set temperature.
● Best hrs capacity and instantaneous feeding amount are also limited in a narrow range only when the reasonable amount of ventilation is determined,  the maximum fuel feed rate is  also limited, and also define the best station capacity and feeding amount. Therefore, when the amount of ventilation should be controlled within the reasonable limits, if the feeding amount is large, whether  how much fuel are add, the oxygen is lacked,the heating capacity can not meet the needs of  feeding amount increased,  the qualified products can not be obtained. But if the Feeding amount is less than the reasonable range, the low yield kg of clinker increase in the amount of exhaust gas, exhaust gas heat does not have enough raw material to absorb a barrel outlet temperature combustion gas furnace heat source equipment, such as the supply of fresh air increases after the exhaust away heat , so the yield is low, kg the clinker surface of dissipated heat increases, feeding amount is less than the reasonable range, there will result the consequences of low-yield, high heat consumption, thermal system instability, poor quality  .

The Introduction of Commonly Used Crushing Machinery

As we al know, the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors, which have large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics.
In accordance with the manner of the crushing force,the  crusher can be roughly divided into two categories:
(1) crusher;
(2) the attritor.
The crusher usually handle larger pieces of material, product size is coarser, usually greater than 8 mm. Its structure is characterized by a certain gap between the crushing member, and not in contact with each other. the crusher can also be divided into primary crusher, crusher and fine crusher.
In general, processed materials' size get by the grinding machine are fine,  the product granularity is fine-grained, up to 0.074 mm, and even much smaller. Its structure is characterized by broken parts (or medium) come into contact with each other, the media adopted are steel balls, steel bars, gravel or nuggets. However, some machinery is at the same time both crushing and grinding, such as  the mill. φ5.5 × 1.8 meters from the mill processing ore particle size maximum are 350 to 400 mm, the product fineness can reach about 40% -200 mesh.
According to the broken way, the structural characteristics of the mechanical / action principle , the broken machinery (crushing machinery) can be broadly divided into six categories:
◆ jaw crusher.
Crushing is operated by the movable jaw plate to periodically press  the fixed jaw plate, and crush the ore blocks clamped between the gap.
◆ cone crusher.
The ore blocks exist between the inner and outer cone, outer cone is fixed ,the inner cone do the eccentric swing, and crush the ore blocks clamped between the gap.
◆ roll crusher.
The ore blocks are put in two counter-rotating circular roller ,and  mainly processed by the continuous crushing effect, but also with the grinding stripping, the   toothed roller surface the chipping role.
◆ impact crusher.
 The ore blocks are crushed by the impact of the role of the fast-moving parts turning. The machine which belong to this category can also  be divided into:  cage crusher; Crusher.
◆ grinding machine.
Ores  are crushed by the impact and abrasive grinding media (steel balls, steel bars, gravel or nuggets) in a rotating cylinder.
◆ other types of crushing and grinding machines (grinding machinery):
A. roller mill;
B. Mill of tray;
C. centrifugation grinding machine;
D. vibration grinding machine.

Hammerhead Materials Research of Hammer Crusher

The hammer crusher mainly use the high-speed rotary hammerhead to impact ores, make them break along  the natural fissures, vulnerable part of  layer inside and joints surface to break. The hammerhead material and the quality of hammerhead have  direct impact to the   hammer crusher crushing effect, productivity ,using life and the other work performances,therefore, the research of hammerhead materials and quality is very important and practical .
The determination of the hammer crusher hammerhead material :
High chromium cast iron as a third generation anti-wear material, in the international arena , it has been widely used in metallurgy, mining, building materials and other industrial sectors' crushing equipment. Such as: ball mill grinding balls, all kinds of hammer crusher board hammer, linear. High chrome manganese tungsten alloy hammerhead heat treatment process of alloy after quenching and low temperature tempering treatment to eliminate the residual stress of the casting, quenched martensite into tempered martensite, in order to improve the impact toughness once carbide was dispersed. Isolated shape, and the block is small, which has played a role of the  anti-wear backbone; support the martensitic matrix of the primary carbides, duo to the deposited on the sake of carbon dioxide highly dispersed, and further strengthened martensitic matrix organization anti-wear performance; small amount of residual austenite slow crack growth trend, high chrome manganese tungsten alloy abrasion resistance is good.
The determination of the hammer crusher hammerhead quality  :
when determining the quality of the hammer, on the one hand, it should be completely crush materials, on the other hand  the hammer should not be   partial down , the hammerhead deflection is associated with the rotational speed of the rotor,the  crushing materials must meet the energy conditions and stress conditions. Energy condition refers to the   hammer hammer quality of energy must be greater than or equal to the power required for crushing materials.
After researching and analyzing,  we thought that the usage of hammer crusher hammerhead  directly influence  the capacity of the crusher, for further improving the performance of the hammer crusher, the customers should compare  the different products of  different  manufacturers.  select the best hammerhead and its crusher equipment accessories to meet the use requirements of customers, and bring a broader market for the enterprise.

Reason of the Crusher Dispose Dust Improperly

The crusher dust seriously affect the production capacity of the crusher (crusher) and the health of workers, facing the large amount of dust  crusher produced, our technicians provide professional crusher dust problems for our crusher customers , I hope it is helpful to you.

What problems the crusher dust improper dispose will cause ? The following is detail explanation:
◆(Crusher)the general baghouse filter area of crusher is small, ventilation is generally inadequate , dust cover and crusher cavity are difficult to form a slightly negative pressure, therefore, the dust of the working environment is large,  which is not conducive to breathing.
◆ Precipitator dust enter into the pipeline, the system resistance is increased at the elbow of the inlet tube , the bend parts are susceptible to  be wearied and clogged by the dust. If we adopt the screw conveyor and sub-grid transport wheel baghouse to collect dust ,the power consumption will increase, mechanical maintenance workload will increase too; we often  need to demolish the under sub-grid wheel feeder, if this situation lasts a long time, the under feeder flange will leak air ,it will exacerbate the ash bucket air leakage.
◆ When crushing materials humidity is high (after raining or the materials be caught in a shower) ,the dust particles be sent into the precipitator is larger than the dry crushing materials, the bag-type dust collector is easy to be pasted,  the under feeder is easy to be jammed,  this will bring about the significant increase of the bag-type dust collector ventilation resistance , and the ventilation capacity is decreased, of course the dust problem will be more serious .
◆ In the process of the materials fall from the belt conveyor , the air and the material went together into the closed dust cover, the dusty air spread to the outside of the cap through the crevice and orifice hood walls ,which pollute  the environment. In addition, due to incorrectly set of the belt-corner dust point , open and stop of the precipitator is almost no impact to head dust of the lower belt conveyor . Therefore, since the 5th rock crushing machine was put into use , this dust collector almost does not work, the upper belt conveyor has been in the diffuse dust.
◆ The failures of baghouse and supporting parts are more, which not only affect the normal dust disposition, but also increase the equipment maintenance workload.from the view of equipment maintenance statistics ,the  spare parts' poor quality are important reason of equipment failure .
In order to reduce the dust caused by the crusher housing air leakage , in the actual production, people often water the materials at the mouth of crushing ,  its result is intensify the baghouse filter bags paste and  the under feeder blockage. Because  people often  conduct intermittent clean to the baghouse , when the precipitator works normally , the division round air leakage is  a question that should not to be neglected

Design Knowledge of Crusher Hammer and Disc

Although hammer crusher is a mature mining crushing equipment, for its design, we must not sloppy. The following is the knowledge introduction to the design and calculation of crusher's hammer and disc:
◆ The hammerhead design and calculation of hammer crusher
Its design mainly refers to the structural design. As the hammer head shape, quality, materials are very influential to the crusher production capacity, Especially the shape to the quality distribution, full use of the materials. As to the more detailed discussion on the hammerhead structure design and related improvements ,you can see it in the topic. In short, hammer is the main working parts. Its Shape, structure design have far-reaching economy effects to their work ability , the production capacity of the entire machine.  Hammerhead shape is generally divided into light, medium and heavy these three types. This model of hammer crusher refers to the medium-sized hammer design,and related calculations.
The hammer crusher can also use the high manganese steel as its design materials . Hammerhead material selection problem is a very critical issue to improve its abrasion resistance. The choice of material depends on the working conditions and requirements of the working parts. Because the  crusher always crush the limestone these medium hardness materials. People usually use high carbon steel to forge or cast. adopt high manganese low alloy steel, some is coated with appearance Carbide. Some high chromium cast iron, its wear resistance is several times greater than the high manganese steel hammer . As to the choice of materials: you can see the part of topic-improve wear resistance hammerhead specialized exposition.we don't described in detail here, In short, hammerhead choice of materials is not only related to the working life of the hammer bit, the production capacity of the machine, production efficiency, and is also related to various aspects of economy.

◆ Disc structural design and calculation of the hammer crusher
Each pin requires 8 hammers. If the disc is used suspension hammerhead,then it requires a total of nine discs,this depends on the design requirements. Two discs on the sides, the common feature is that one side is equipped with the locking nut, the other end is positioned by the shaft shoulder. The used nut is GB-812-85 , so that each disc is evenly distributed six round hole,we can use 6 pin shaft to suspend hammerhead,  The size of the disc depends on the diameter of the rotor, the size of the diameter of the rotor is the basis of the disc design size. Therefore,we can know the rotor diameter is 800mm according to its model, the disc size value is in a certain range. the circular hole size is approximately equal to the hammer hole size.

Operation Precautions of Jaw Crusher

Jaw crusher should be installed above the concrete foundation,and plus  skids or rubber to reduce vibration when working.
Jaw crusher's (jaw crusher) operation: the correct operation of the crusher  is one of the important factors that guarantee the crusher works properly, improper operation or negligence in the operation are often caused equipment and personal accidents. Correct operation is to  follow the rules strictly.
The preparatory work Before starting : careful examination before starting the crusher, the check contents are: crusher tooth plate wear situation, adjust ore discharging mouth size, whether the ore crushing cavity having ore; if large block ores exist, we must remove them,; whether the connection screws loose; whether the pulley  Flywheel protection cover is intact; whether the tightness of the triangle belt and trolley spring are suitable ;whether the lubrication system is intact; whether the electrical equipment and signal system are normal or not.

Handling Precautions of jaw crusher (jaw crusher):
1, After starting, if the crusher makes unusual beat, we should stop automatically turn, and restart after identifying and eliminating the ills .
2. When starting, Crusher must no-load , when the automatically turn is normal, we can start the ore-discharging equipment , the ore be fed into should be gradually increased until the load is full.
3. Ore discharging Should be uniform , ores are not allowed to be packed with the crushing chamber; the  maximum  mine size allowed should not be larger than 0.85 times of the ore discharging mouth size; while feeding ore, we should ban the anti-mine iron and other non-HSBC crushed materials into the crusher; once we found these non-broken materials go through the port of discharge, we should immediately notify the belt transporter in time to prevent serious equipment accidents of the next crusher , such as the impact crusher and hammer crusher .
In the operation process, we often have to pay attention to the situation of lump ores stuck to the mine mouth, sometimes use an iron hook flip or application-specific tools when operating, but not by hand to avoid an accident. During operation ,if the ore feeding are too many to choke the crushing chamber, do not stop the crusher ,but should stop ore-feeding, we should start the ore feeding machine after dealing with the ores in the crushing cavity. during working, the operator should conduct check regularly, according to to see, hear, touch and other methods to observe the various components situations of the crusher position and bearing temperature, the bearing temperature must not exceed 60 ° C, we should not immediately stop when the bearing temperature is too high, instead,we should take plus large amount of oil, forced ventilation, water-cooled these methods to reduce the temperature.

Crusher Technical Advantages Analysis

 ◇ Impact crusher (impact crusher) can effectively handle the material having a large amount of moisture, which can prevent crusher clogging.
When dealing with the materials having excessive moisture, impact crusher's feed chute and counterattack board can be equipped with a heating device to prevent the adhesion of the material. Impact crusher is not required to be equipped with the bottom screen ,it can effectively prevent clogging. Hammer crusher can not prevent the bonding of materials by heating, and shall be equipped with the bottom screen, this increase the possibility of clogging.
◇ Impact crusher is applicable to both soft materials and hardness materials.
The plate hammer is firmly fixed on the rotor by the mechanical clamping structure , when it moves with the rotor rotates,a great moment of inertia is produced . Comparing to the hammer crusher (hammer was hanging), impact crusher rotor has greater momentum, and suitable for crushing harder materials, at the same time, the energy consumption  is lower.
◇ Convenient and flexible adjustment to the crusher discharge size, wide range of adjustment.
Impact Crusher can adjust the particle size through a variety of ways, such as regulate the rotor speed, adjust the counter plate and the grinding chamber gap. The gap adjustment can be adjusted by mechanical or hydraulic type, hydraulic adjustment system can easily complete the adjustment of the gap through local operating button or fortune control system. While the hammer crusher regulating discharge size can only be achieved by replacing the bottom screen(comparing to the impact crusher，but not cone crusher).
◇ Impact crusher (impact crusher) wearing parts wear rate is smaller than hammer crusher, the metal utilization is higher .
Impact crusher board hammer wear area only appears on the looking materials side. When the rotor speed is normal, feed plate hammer will fall on the surface ( attack area), the plate hammer back and sides are not to be worn. Even the looking material side wear very little. And the bottom of the grinding rod is also very easy to replace.the metal utilization rate of impact crusher board hammer can be as high as 45% -48%. While the hammer of the hammer crusher was hanging, wear and tear occurs in the upper, front, rear and side, comparing to the plate hammer, hammer wear more serious, hammer metal utilization is only about 25%. And the rotor body itself may also be subject to wear. Hammer crusher wear seriously affected, and the replace work of sieve is also more complicated.
◇ Impact crusher spare parts are easy to replace, and the maintenance costs is reduced.
Crusher rotor is only installed six plate hammer, using the HAZEMAG company provided special tools ,we can easily replace the board hammer,  replace a board hammer just need one shift time. The bottom of the grinding chamber grinding rod replacement requires only ten minutes ,which can greatly reduce the time and cost of repair and maintenance.

Components Installation of the Two-stage Mill

As we all know, mining crusher refers to the crushing machinery whose content is more than 50% of the total content, the row compound particle size is greater than three millimeters. It is invented by British Hengan. according to the feeding and nesting size, the crushing operations are often divided into coarse crushing, medium crushing and crushing. The commonly used equipments are impact crusher , compound crusher, single stage hammer crusher, vertical crusher, gyratory crusher, roll crusher machines, double roll crusher, combo crusher, and so on. the crusher is widely used in mining, metallurgy, building materials, road, railway, water conservancy and chemical industry and many other sectors. Common crushing machines are winnowing mill, hammer crusher, impact crusher, roll crusher, compound crusher. Jaw crusher, having large crushing ratio, uniform particle size, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics. PF-I series impact crusher can process materials side length is 100 to 500 mm, the compressive strength is up to 350 MPa, great crushing ratio.
Now, let us introduce the knowledge of two-stage crushing equipment installation:

The two-stage grinder (double stage crusher) host equipment installation :
1) two-stage grinder equipments can be installed together with the motor  on a concrete foundation or rack, the ground should be smooth, when installing ,the machine must be level.
2)The machine should be installed feeding device to ensure uniform feeding, and avoid clogging.
3) motor wiring should be strictly in accordance with the direction of  the rotor wiring rotation.
4)In order to ensure the safe operation of the gangue grinder, we must install the ammeter to control feeding,and ensure the normal load.

Installation of the two-stage grinder unit (double stage crusher):
1) each equipment should be connected firmly with each other,the pipe joints strives to be tight to prevent gas leakage, if the pipe joints leak, it will not only generate dust pollution, but also decline the production capacity and product quality.
2) electrical control cabinet should be installed at the place where is easy to operate, easy to observe the location of the equipment, various equipments' electrical connection lines  and control lines should be arranged and placed in alignment tube according to the relevant provisions of the state .
3) electrical control cabinet should be fitted with the drive button, stop button of equipment, work lights, grinder ammeter, feeding motor , grading motor speed control knob and various protective devices.
4) all two-stage shredder equipments must be installed in accordance with the relevant provisions.