sbmzhcn Blog find crusher and grinding mill in China

August 28, 2010

What kind of technical features of the CS Series Cone Crusher ?

Filed under: Uncategorized — Tags: , , , — sbmzhcn @ 2:07 am
Technical Features of CS Series Cone Crusher

1、 high performance

With the better cavity design and combination of the reasonable speed and stroke ,the cone crusher can make more power under the same flexible cone .Therefore ,this kind of cone crusher have higher performance and production capability compared with the similar cone crusher .

2、better particle components

With the principle of layer crushing ,the final products features high cubic shape ratio ,low ratio of needle shape stone ,and more even particle size .

3、high stability

When some non-crushing materials like the iron enter the machine ,the iron-pass protection equipment will automatically release them and then return the original position .And the iron-pass protection equipment have the fixed discharge opening returning point so that it can return to the original discharge opening after the non-iron materials pass the crushing cavity .

4、 convenient cavity cleaning

If the crusher stop the working function under the overloading condition ,the hydraulic cavity cleansing system will quickly clean the crushing cavity ,which will greatly reduce the off-time .

5、 high reliability

we adopt large ram spindles ,heavy main machine frame and independent light oil automatic control lubrication system ,which ensure the robust equipment structure and reliable function .

6、onvenient maintenance and operation

All of the spare parts can be torn apart from the top and side board and so did the fixed and flexible cone .And the bronze slide bearing can maintain the quality bearing capability under the condition of high impact shaking crushing condition and also features more economic and convenient maintenance than the rolling bear .

7、low production cost

With the high production capability reliability , and convenient maintenance ,it greatly reduce the production cost .

8、wide application

CS series Symons cone crusher can make its full advantages to apply various crushing crafts from the super coarse to the fine crushing , from the fixed crushing to the mobile crushing .
CS series Symons cone crusher have a wide crushing cavity choice from super coarse crushing to the fine crushing ,which means we can choose the crushing cavity by the crushing crafts .

9、We adopt the segregate and multi-point control independent light-oil lubrication system to ensure the double-protection of its bearing ,thus realizing the automatic protection of the whole machine .

Permalinks: blog.rockscrusher.com/product-knowledge/what-kind-of-technical-features-of-the-cs-series-cone-crusher.html

August 27, 2010

coal crushing plant

Coal is a readily combustible black or brownish-black sedimentary rock normally occurring in rock strata in layers or veins called coal beds. Coal has very wide using fields in our daily life. SBM crushers and Grinding mills are neccssary equipments in coal processing.

Coal

Coal is a readily combustible black or brownish-black sedimentary rock normally occurring in rock strata in layers or veins called coal beds. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly sulphur, hydrogen, oxygen and nitrogen.

Coal Uses

  • Coal as fuel
  • Coking and use of coke
  • Ethanol production
  • Gasification
  • Liquefaction
  • Industrial processes
  • Cultural usage
  • Coal as a traded commodity

Coal Crushing Plant

In order to use coal more rationally, efficiently and effectively, the coal need to be processed and crushed into different sizes, 0 ~ 25 mm particle size for coal gas stove, 25 ~ 8 mm for steam locomotive, 25 ~ 6 mm for the industrial furnace, and coal power plant requires grain coal of 0 ~ 25mm. So coal processing includes coal crushing and coal grinding. Coal crushing plant consist of many types of crushers and Grinding mills. Coal crushers including primary Jaw crusher, secondary Impact crusher and Cone crusher etc. Coal mill include Ball mill, Raymond mill, Vertical mill etc.

Coal Crushing and Grinding Process

If the coal block is bigger than the mill’s max input size, it must be crushed before grinding. The crushing plant common includes Vibrating feeder as feeding material to Jaw crusher, which is as primary Jaw crusher. If need secondary crusher, Cone crusher or Impact crusher can be used. After primary crushing, the coal can be feeding to Ball mill to fine grinding. To increase Ball mill effective, the vertical coal mill or coarse powder mill can be setted before Ball mill as pre-grinding.

From: Coal Crushing Plant, Coal Crusher

www.rockscrusher.com/case/coal-crusher.html

August 23, 2010

symons cone crusher used widely in mining equipment

Symons cone crusher Overview

As the worlds earliest cone crusher , the Symons cone crusher features widest application and largest storage in the world .And based on the optimized improvement ,the Symons cone crusher features more reasonable and advanced ,which have appeared excellent performance in the manufacturing ,installation, and maintenance and so on. And also the Symons cone crusher adopt the novel design principle and the new idea crushing technology, which can satisfy the crushing with various specifications .And the Symons cone crusher also satisfy the new -craft requirements of “ more crushing and less grinding”.
Symons cone crusher is widely applied in cement making industry, building, sand making, metallurgical industry, etc. The cone crusher from China is suitable for both metallic minerals and non-metallic minerals, such as iron ore, nonferrous metal ore, granite, limestone, quartzite, sandstone, pebble, etc.

The JOYAL Symons Cone Crusher is a high-performance models optimized and improved on the basis of Symons Cone Crusher. The Symons Cone Crusher is widely used for secondary and fine crushing in the fields of mining, building materials, metallurgies and so on. The Symons Cone Crusher can crush materials with middle and high hardness, such as, metal ore, basalt, granite, limestone, cobblestone, sandstone and so on.

Features Of The Symons Cone Crusher  in my company Shanghai Joyal Mining Machinery Co., Ltd.:

1. Customers can choose suitable crushing chamber according to the material feature, finished product fineness and particle size requirement.
2. Unique dustproof and sealing structure extend cycle of lubricants replacement and spare parts service life
3. The key parts are made of special materials, which support the strong crushing.
4. With long crushing arm, big stroke, strong crushing, and high capacity.
5. Hydraulic chamber cleaning system, easy operation, and reduce machine halt time.
6. With reliable performance, low investment cost, and long service life of wearing parts.

August 20, 2010

China Is Crushing The U.S. In This Economic War

Filed under: Uncategorized — Tags: , , , — sbmzhcn @ 2:47 am

During the ‘cold war’, a term used to describe the tension between communist and capitalist countries, which lasted from 1947 to 1991, one of the fears was a military conflict between Russia or China and the U.S.

It didn’t happen. The potential of a military war instead morphed into an economic war.?

The U.S. was winning hands down for a long time – but not so much anymore. It used to be that the U.S. was #1 in pretty much everything; education, technology, standard of living, economic and military strength, admired world leadership. It was leading the rest of the world into the future with the demonstrative power of democracy and free markets, new technological breakthroughs in automation, computers, communications, energy, medicine, space travel, to name a few.

In recent years, a number of countries have surpassed the U.S. in specific areas, including consumer incomes, standard of living, and healthcare.

But the economic powerhouse has been China. Some of the statistics, and the speed with which they have changed, have been startling.

Over the last ten years China’s economy has surged past those of Canada, Spain, Brazil, Italy, France, and Germany, and is expected to pass Japan this year, to become the 2nd largest economy in the world, behind the U.S.?

Whether it’s manufacturing efficiency, high-speed rail-line technology, nuclear power plant construction, clean air energy technology, education, China is making impressive global inroads, even in areas where the U.S. still has significant dominance. Much of it has to do with China’s massive population, about which the U.S. can do nothing.

For instance, while U.S. Internet companies dominate global headlines, China now has the world’s largest internet market as measured by the number of users. Yet internet use has only penetrated 22% of the population versus 75% in the U.S. Meanwhile, U.S. Internet giants like Google, Yahoo, eBay, Amazon, Facebook and Expedia are experiencing problems trying to transport their dominance into the Chinese market. Part of it is obstacles placed in their way by China’s government, in support of China’s state-controlled corporations. The result is Chinese internet companies like Tencent, and ?Baidu, cannot help but become world leaders.

Here’s a statistic of more importance. U.S. universities will graduate 150,000 engineering students this year, while Chinese universities will graduate more than 500,000. I’ve had people tell me that’s an unfair comparison since China’s population is larger by approximately the same ratio. But that’s not the issue. The issue is the degree to which China has moved higher education to the top of its priorities, and the fact that 500,000 new engineers a year will probably come up with more high-tech innovations than 150,000 can.

China’s great leap forward has been going through the same phases the early U.S. experienced as it worked toward becoming the world’s dominant economy.?

When we criticize China for the treatment of its underpaid and overworked labor force we sometimes forget that in the early years the U.S. also exploited its workers, even utilizing child labor in 14 hour days in garment, textile, and shoe factories, coal mines and crop fields, which gave the country its initial low-cost jump start economically.?

It appears China is beginning to exit that phase and enter the next, of treating its workers better. In the past year Chinese workers have been allowed to form unions and strike for higher wages and shorter hours at various auto and electronics plants.

The west would probably like to think that is due to the pressure put on China to improve human rights. However, China has never shown any inclination to bow to pressure in any area. The fact is that the next phase of China’s economic development must be, as it was in the U.S., to develop a strong domestic economy. To do so it needs to have a more prosperous population of consumers, rather than depending on low cost exports to other countries.

Meanwhile, it can be said that China is eating America’s lunch, never taking its eyes off the goal, while we squabble among ourselves, paying no attention.?

That’s unfortunate. As Sam Houston said in the U.S. Senate in 1850, “A nation divided against itself cannot stand.”

Yet, for the last 15 years the U.S. has divided itself in increasingly bitter time and energy-consuming political arguments – the morals of President Clinton – whether or not war should be waged to remove Saddam Hussein from power in Iraq – whether the country’s current problems are due to the depth of the economic hole dug in the last Administration, or ineptness of the current Administration in pulling the economy out of the hole.

Meanwhile, China has kept its eye on the goal. It not only is making great economic strides, but on the financial side has become the world’s largest creditor nation, even as the U.S. has become the world’s largest debtor nation, with China holding much of its debt.?

The U.S. needs to interrupt its angry divisiveness and name-calling long enough to recognize the portent of what is going on. Unfortunately, in this particularly acrimonious mid-term election year, that is not going to happen.?

mobile crusher portable crusher crusher machine 

August 18, 2010

The Advantages of the Cone Crusher

Filed under: Uncategorized — Tags: , , , , , , — sbmzhcn @ 1:48 am

With the continuous growth of China’s economic construction, crushing machine industry has been developing rapidly. Cone crushers have been widely used and greatly popularized. The machine’s advantageous design and superior performance are the fundamental reason for gradually entering the market. The following two advantages of cone crusher make it have great prospects for developmentin in the competition of the market.
First, the cone crusher adopts innovative design principles and the new crushing technology, and can crush materials of different specifications. Cone crushers are widely used in metallurgy industry, building materials industry, road building industry, chemical industry and silicate industry. They are suitable to crush various kinds of ore and rocks of medium or above medium hardness. The cone crusher is of high performance, high efficiency, high capacity, low operation costs, easy adjustment, economic operation, etc. It not only has large reduction ratio, fine and uniform product size but also has low unit power consumption. The machine has few requirements for humidity and is suitable to crush any hard brittle materials. The cone crusher has great prospects in mineral processing industry.
Second, the cone crusher  has high throughput in crushing materials and high capacity. Its unique design greatly reduces repair and maintenance costs, therefore the crushing productivity has been greatly improved and production costs have remarkably decreased. mobile crusher portable crusher crusher machine

August 9, 2010

crusher machine and grinding mill – a details about these mining qeuipment

Crusher, stone crusher machine of some commonly used devices

1. jaw crusher is a broken device of choice, of great crushing ratio, even granularity, simple structure, reliable operation, easy maintenance, operating costs and economic characteristics, it is widely used in mining, smelting building material, highway, railway, water conservancy and chemical industry and other sectors.

2. impact crusher, sand making machine known is the use of the United States Bamako’s famous "stone at stone" theory and technology crusher, sand production at home and abroad of the actual situation developed out of an international advanced high levels of low-power devices, the performance of broken equipment in a variety of fine ore plays an irreplaceable role, is the most effective, practical and reliable crushing plant. The crusher is the construction of sand, road sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment, it is widely used.

3. Impact Crusher, has a simple structure, large crushing ratio, low energy consumption, high output, light weight, broken end product was cubic form, it is widely used in various ore crushing, railway, highway, energy , cement, chemicals, construction and other industries.

4. cone crusher, has a simple structure, stable performance, easy to fault, convenient maintenance, large capacity, high efficiency, high quality, and the shape of the cavity with a variety of fine crushing, two-Insurance-controlled hydraulic and lubrication systems therefore widely used in metal mining, metallurgical industry, chemical industry, construction industry, cement industry, and sand and gravel industries.

Comparing with other kinds cone crusher, symons cone crusher with high-efficiency (Symons cone crusher) have excellences for fine crushing, high productions and low maintenance. The long force arm designed into the symons cone crusher provides greater crushing force.

5. compound crusher, is a financial hammer break, break in one of the new counter-efficient crushing equipment with large capacity, high crushing efficiency, grinding ratio, a small amount of abrasion, low energy consumption, good seal , smooth operation, easy maintenance, and other advantages. The equipment used in building materials enterprises broken limestone, coal, coal and cement clinker and other materials, it can significantly reduce the size into the mill to improve mill output, is an ideal energy-saving crusher machine.

6. hammer crusher, a crushing ratio, high productivity, product characteristics of uniform size, the crusher is the metallurgy, building materials, chemicals and utilities industry sectors such as crushing limestone, coal or other medium hardness and brittleness of the following One of the main equipment material.

7. single-stage crusher, with broken pieces than the big, the small particle size, process simplification and low running costs, is widely used in cement, ceramics, glass, artificial sand and gravel, coal, non-metal mines and New green building materials industry.

8.mobile crusher is also named portable crusher. Mobile crusher, a new designed rock crushing & screening plant, which is flexible, convenient and strong in mobility, so it can save a large construction capital and relocation. Raw Materials can be broken at the locale without being transported again, and also can be moved with the promotional exploitation of the raw material, which saves a large number of transportation costs. Break-day corporation specializes in producing crusher, screen, transportation, and other rock breaking and minerals processing equipment.

9. Vibrating Screen is widely used for grading and screening materials in the following fields: minerals, quarry, building materials, water conservancy and hydropower, transportation, chemical industry, smelting and so on.  is widely used for grading and screening materials in the following fields: minerals, quarry, building materials, water conservancy and hydropower, transportation, chemical industry, smelting and so on.

Grinding mill

Grinding mill widely used in metallurgy, building materials, chemicals, mining minerals in areas such as grinding materials processing. According to the grinding fineness of the material and the fineness of feed materials, milling machine can be divided into Raymond mill, vertical roller mill, high pressure suspension mill roller, high pressure micro powder mill, straight centrifugal mill machine, super pressure trapezium mill,ball mill,three-ring in the six-speed milling machine milling machine type.

August 7, 2010

Portable Crusher

portable crusher plant is a new rock crushing equipment, which greatly expanded the concept of rough broken areas of operation. Portable crusher is designed to stand in the position of our customers, to eliminate fragmentation site, the environment breaking work of the barriers .

YG Coarse broken portable crusher plant is a new rock crushing equipment, which greatly expanded the concept of rough broken areas of operation. It is designed to stand in the position of our customers, to eliminate fragmentation site, the environment breaking work of the barriers to customers as a primary solution and provides customers with a cost-effective projects operating hardware.

YG938E69 type mobile crusher station’s high performance: PE series high performance crusher, crushing machine with integrated feeder and vibrating screen, belt conveyor under screen, vibrating screen, crusher integrated vehicle installation, steering traction axis, to facilitate road transport and venues in-depth, vehicle installation support, equipment to facilitate site stationed fast, car motors and control box integration YG938E69 type portable crusher station purposes and advantages

mobile crusher

Mobile Crusher Overview

Mobile crushing station has been newly explored by our company. Mobile crusher expands the conception of fixed coarse and secondary crushing operation. To meet our customers’ requirements is the aim of the design. To remove customers’ operation obstacles caused by space and environment is our fist solution. To supply efficient and cheap crushing equipment is our responsibility. The mobile crushing station includes coarse and secondary plants; therefore, it can be used on various crushing and screening spots and creates more new business opportunities for customers.

Excellent functions of mobile coarse and secondary crushing station

  • High function crusher;
  • Convenient for the trailer to travel on common, rough and terrible road in the crushing area;
  • Belt conveyor under screen, vibrating screen, crusher are installed together on the vehicle;
  • Transportation cost of material is reduced;
  • Flexible space, reasonable layout and reasonable structure for the integral crushing flow.
  • Mobile crushing station can work separately and work flexibly with whole crushing system in coarse and secondary crushing and screening system.

Easy and reasonable maintenance for the integral equipment;

Diesel generator and electric panel are on the trailer;
Mobile crushing station fixed specifications (general)
After processing spot for mobile crushing station is selected, the spot should be kept neat and crushing station should be taken to a suitable place. Stretch lifting legs to lift crushing station, dig a hole under each leg (size of hole depends on local earth material, much softer the earth is, much deeper the hole is) and then fasten movable legs on fixed ones by joint bolts. Pour concrete into holes under movable legs as base, when the concrete is congealed, adjust concrete surface to make station supporting more stable, at last retract the lifting legs. Accessory lifting tools such as sleeper can be put on the lower part of vehicle to make mobile crusher completely stable.

July 27, 2010

crusher machine and stone crusher

Lithotripter(crusher )is the exclusive compound content of particles larger than 3 mm of the total emission rate 50% or more of the crushing machine. Operations often broken by feeding and nesting into coarse grain size of the broken, the broken and petty. Gravel equipment commonly used jaw crusher, jaw crusher, impact crusher, impact crusher, compound crusher, single-stage hammer crusher, vertical crusher, gyratory crusher, cone crusher machine, roll crusher, double roll crusher, combo breaker, a molding machine broken several.

Jaw Crusher jaw plate on the use of two materials extrusion and bending and breaking all kinds of coarse broken or hardness of the material in the crushing machine. The broken body from the fixed jaw plate and movable jaw plates, jaw plates close to the time when the two materials Jibei broken jaw plate away when the two nesting population is less than block from the bottom of the discharged material. It’s crushing action is carried out intermittently. This crusher due to simple structure, reliable and can be broken advantages of hard materials are widely used in mineral processing, construction materials, silicate and ceramics industries.

80 to 20 of the 20th century, 800 tons of material per hour, breaking a large jaw crusher to a particle size has reached approximately 1,800 mm. Commonly used jaw crusher with elbow board and two single brackets. The former moving jaw at work only a simple swing arc, so called simple swing jaw crusher; the latter for the swing arc to move up and down also, so called complex swing jaw crusher. Jaw Crusher widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry and other sectors, breaking strength no more than 320 MPa of various materials.

Single-plate jaw broken elbow mobile jaw plate up and down movement to promote the role of nesting, and its level of travel is greater than the upper part of the lower part of bulk materials easily broken, so the broken above the elbow plate efficiency. The disadvantage is that jaw plate wear faster, and the materials have been smashing the spontaneous increase in energy consumption. In order to protect the important parts of the machine is not damaged due to overload, and often the shape of the small size of the brackets designed for weak links, overload the machine when it first deformation or fracture.

In addition, to meet the requirements of different marker size and compensation jaw plate wear and tear, but also the addition of nesting population adjustment device, usually in brackets after the frame between the seat and adjust the pads or radiotherapy, wedge. However, in order to avoid damage to replace broken parts to affect production, but also can be used hydraulic equipment to achieve security and adjustment. Some jaw crusher also has a direct hydraulic drive to drive fixed jaw plate, to complete the materials in the crushing action. These two types of hydraulic transmission equipment jaw crusher, often referred to as hydraulic jaw crusher.

Gyrating crusher cone crusher is used in the shell cavity of the cycle within the cone movement of materials generated extrusion, splitting and bending and hardness of coarse broken all kinds of large-scale ore or rock crushing machinery. Broken cone axis with the upper bearing bush in the middle of the beam, the lower end of the eccentric sleeve is placed in the hole. Sleeve rotates around the broken cone axis for eccentric cycle exercise machine of its crushing action is continuous, and therefore the efficiency of higher than jaw crusher. To the early 70s, large gyratory crusher has been able to handle material per hour, 5,000 tons, the largest feeding up to 2,000 mm diameter.

Gyratory Crusher two ways to achieve nesting population adjustment and overload insurance: the first is using mechanical means, the spindle nut to adjust the top, rotate adjusting nut, cone can be broken down or up, so I followed changes nesting bigger or smaller, overloaded, by cutting off the pin on the drive pulley to achieve insurance; The second way is to use hydraulic breakers hydraulic cycle, the spindle is located in the hydraulic cylinder of the plunger, the change under the plunger hydraulic oil can change the volume up and down the cone crusher location, thus changing the nesting population size. Overload, the spindle downward pressure to force the plunger into the hydraulic oil under the accumulator in the hydraulic system so broken down cone to increase the nesting along the mouth of material discharged into the crushing chamber with a non-broken materials (iron, wood, etc.) in order to achieve security.

Cone crusher crusher working principle and the same cycle, but only in the crushed or broken mechanical crushing operations. In nesting crushing operations than the general uniformity of size pieces operational requirements of the high rough, so the lower part of the crushing chamber shall be a parallel to the area, while also speeding up the cycle speed cone crusher for material in the parallel area squeezed by more than one within.

Comparison of crushing operations in the crushing operation of a large coarse broken, so broken loose of its larger volume have increased. To prevent the crushing chamber may give rise to obstruction, without increasing nesting population to ensure that the necessary premise of size marker to be broken by increasing the diameter of the bottom cone to increase the total cross section marker.

Cone Crusher nesting population smaller, mixed with a compound of the non-broken things easier cause of the accident, and because, the crushing operation on the marker size demanding to be adjusted in the liner wear in time after the nesting population, which tapered Crusher insurance and adjusting device is more necessary than the primary crushing operations.

Symons cone crusher overload the insurance, the conical shell to force the compression spring to increase their own in order to increase the nesting population, and expel non-broken material. Nesting population set to be adjusted by adjusting, turn the adjustment sleeve solid shell can be filled with the help of the cylindrical shell on the thread to bring up or down to change the nesting population size. Hydraulic Cone Crusher way of insurance and adjustment of the same Hydraulic Gyratory Crusher.

Roll crusher is to use the friction of the roll surface to bite into the broken areas of materials, so bear squeeze or split and broken machinery. When broken or needs to be increased for coarse crushing ratio, often made in the roll surface of the teeth or grooves to increase the splitting effect. Roll crusher is usually divided by the number of roller single roll, double roll and multi-roller crusher, suitable for primary crushing, breaking or crushing of coal, limestone, cement clinker and stone in the long and soft materials.

Hammer crusher is to use high-speed impact hammer effect on the material for the broken and broken mechanical crushing operations. Articulated high-speed rotating hammer rotor, the lower body with grate bars to control the size marker. First of all the materials into the crusher by the high-speed movement of the hammer impact and the initial break, and also get the kinetic energy, high-speed flying broken plate on the casing wall being broken again. Smaller than the gap of the material grate bars are from outside, is larger than expected gap grate bars in the grate bars on the block again, the impact and grinding by the hammer, until the gap is less than grate bars after being discharged.

Hammer crusher with crushing ratio, uniform particle size marker, less than smashing things, lower energy consumption. However, hammer wear faster, the hard crushing of the applications was limited; another plug because fear of grate bars, not in Congress and the humidity with it crus
hing materials with clay. This crusher is usually used for crushing limestone, shale, coal, gypsum, chalk and other materials in the brittle and soft.

The hammer crusher hammer for the steel ring of the ring coal crusher, hammer crusher is a variant. It uses high-speed impact and the combination of low-speed rolling to break material, and thus obtain more detailed product, mainly used for the crushing of coal power plants, but can also be used for gypsum, salt, chemicals and some crushing of hard materials.
Impact Crusher is the use of panels of high-speed impact hammer rebound effect and the counter plate so that the impact of material broken by repeated mechanical. Hammer solid plate installed in the high-speed rotation of the rotor, and along the crushing chamber by a number of different angles, block counter board layout.

Materials into the role of zone plate hammer by the board before the first hammer impact and the initial break, and also get the kinetic energy, high-speed counter board rushed. Plate collision with the counter material broken again, bounced back to hammer the role of board area, by the board to re-hammer impact. Is repeated until it is broken into the required size and discharged outside the machine. Compared with the hammer crusher, impact crusher broken than the larger and more fully utilize the high-speed impact energy throughout the rotor. However, as easily wear plate hammer, it shattered in the application of hard materials is restricted, often used to rough broken, in pieces or crushing limestone, coal, calcium carbide, quartz, dolomite, iron pyrites, gypsum and chemical raw materials so in the hard-brittle materials below.

Ring hammer crusher main purposes:
The series of hammer crusher is suitable for crushing all kinds of brittle materials, such as coal, coal Chin, coke, slag, shale, loose limestone. The compressive strength of materials, not more than 10MPa, the surface water is not more than 8%.
Winnowing hammer crusher used in construction materials, brick, coal, metallurgy, mining, power, light industry and other industrial sectors, for crushing coal, shale, coal, carbon, lime, cement guessed, Peng Yun-soil and in hard-brittle materials.
Described above, several gravel sand production line equipment and production line stone crusher equipment is essential.
Jaw crusher for cement, coal preparation, power generation and building materials to meet the crushing medium hard and brittle materials such as limestone and coal. Maximum compressive strength of not more than 1500kg/cm2.

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