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.

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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.

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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.
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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.

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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 .
 
        
 

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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;

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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.






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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.