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    Zhengzhou General Mining Machinery Co., Ltd. is not only a manufacturer of industrial grinding mill, crusher and sand making machines but also a high-tech enterprise that integrates R&D, productio...
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    10 t/h limestone grinding powder production line in Nanchuan, Chongqing With the increasing of environmental protection problems, the government has adopted more strict measures to rectify the...
    Successful Jaw Crusher Consignment to Indonesia 2017.11.10 is a red letter day on which PEX250*1200 jaw crusher prepared for our Indonesia client has been successfully ...
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    Analysis on Development Prospect of Raymond Mill in Calcium Silicate Board Market Speaking of the development prospect of Raymond mill in calcium silicate board market, someone might show doubt about th...
    Industrial milling machines enters into agriculture fertilizer market and contributes to agricultura Industrial milling machines take important position of production and process in agricultural development and are indisp...
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    Which mill has higher investment values and good development prospect? Engineering project investment is not a little thing no matter for the individual or the enterprise and it needs to take...
    How much is industrial grinding machine and what are the specifications of stone grinding machines? According to grinding machine types, industrial grinding machine is divided into Raymond mill, high-pressure suspension ...
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    Commonly used mine crushing equipment - jaw crusher Jaw crusher(is one of the most common crushing equipment and one of the most practical equipment in the process of mine ...
    Which kind of crusher has a capacity of 400t/h for stones? Which crusher has a capacity of 400t/h for stones? Capacity of 400 t/h is relatively high for stone crushing and ordinar...
  • Industrial Grinding
    Project DackgroundLimestone grinding powder production line in Nanchuan, Chongqing is a project put into production in ... MORE>>
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    Project BackgroundIn Decmeber, 2016, we made a 200 t/h basalt crushing production line for a customer in India. The out... MORE>>
  • Metallic Mineral
    Project BackgroundThe process of copper beneficiation line is relatively simple. Raw materials are crushed before the gr... MORE>>
  • Building Materials
    Project BackgroundRiver pebble is a natural stone taken from tore which is formed by uplifted ancient river bed through ... MORE>>
  • Industrial Grinding
    Limestone Product IntroductionLimestone’s main component is calcium carbonate(CaCO₃)and its hardness is 3-4 in Mohs. Lime and lime...
    Calcite Product Introduction   Calcite is widely distributed. Its hardness is 2.7~3.0, and the weight is 2.6~2.8. It’s...
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    Pebble Product Introduction  Pebble is the product of yellow sand mining. It is named after a goose egg. The pebbles,...
    Coal Gangue Product IntroductionCoal gangue is a solid waste discharged from the process of coal mining and coal washing. It is a da...
  • Metallic Mineral
    Gold ore Product Introduction Gold ore is a mineral that contains gold or gold compounds. Gold ore resources in China are ab...
    Molybdenum Ore Product Introduction Molybdenum metal is a very important metal, which is known as war metal. With high strength, h...
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    Construction waste Product Introduction Construction waste refers to waste residue, scrap metal, crushed stone, waste residue in morta...
    Machine-made Sand Product Introduction    The demand of sand in China is more than 10 billion tons, and the industry scale is ab...
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  • Industrial Grinding
    In industrial grinding filed, General Mining Machinery grasps professional technologies throughout the entire process ch... MORE>>
  • Aggregate
    In aggregate filed, General Mining Machinery with professional crushing technologies for soft, medium hard and hard mate... MORE>>
  • Metallic Mineral
    In metallic mineral filed, General Mining Machinery can process soft, medium hard and hard minerals and provide various ... MORE>>
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    In building material field, General Mining Machinery provides clients with professional resolution and complementary pro... MORE>>
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作者: General Mining Machinery
发布时间: 2018 - 04 - 13
点击次数: 0
Jaw crusher(is one of the most common crushing equipment and one of the most practical equipment in the process of mine crushing production. Jaw crushers can be found in almost every mine production line. As one of the most commonly used equipment in mining equipment, it has powerful features.Refined shell, optimized designThe jaw crusher adopts A3 or Q235 steel plate refining shell in the process of production. The material of jaw plate is ZGMN13 high manganese steel. Strong wear-resisting has doubled the life of the machine. It greatly reduces the change frequency of the wearing parts, which makes the service life of the machine longer. You can adjust discharging fineness by adjusting the bracket behind the machine. Our bracket uses cast iron HT200 bracket. When the unbroken material is ...
作者: General Mining Machinery News Department
发布时间: 2018 - 05 - 14
点击次数: 0
After using the mining crushing equipment,a lot of customers encountered such a problem, why the actual service life of wearing parts can not reach the expected service life, and which is causing the problem?First, non-standard installationMost of the hammer heads inside the crusher are operated according to the circular track. If the equipment is tilted during installation, the trajectory of the hammer in the interior of the device changes, which will increase the load of the hammer head and reduce the service life.Second, irregular feedingEach crushing device has its own unique feeding size. For example, the feeding size of the PE600*900 jaw crusher is 480mm. If a material greater than 480mm enters into the equipment, which will not only damage the jaw plate, but also cause blockage and ...
作者: General Mining Machinery News Department
发布时间: 2017 - 12 - 23
点击次数: 0
Which crusher has a capacity of 400t/h for stones? Capacity of 400 t/h is relatively high for stone crushing and ordinary stone crushers can not complete it. However, equipment configuration for stone crushing can be one production line or multiple production lines. Now I’d introduce the equipment configurations for different stone requirements.What factors need to be considered in equipment configuration for stone crushing? Every stone production has requirements basically on capacity, next on finished product size and our only goal is to increase capacity under condition of meeting requirement on finished product size.Generally, client’s requirements are these basic ones but there are various stones including coarse aggregate, fine aggregate, sand&stone, fine sand, etc. which need di...
作者: General Mining Machinery News Department
发布时间: 2017 - 12 - 22
点击次数: 1
Which machine has lower price, hammer crusher or impact crusher? In terms of crushing principle and application range, the two machines are similar. They both belong to hammer structural crusher and crush materials through impact between stone and stone, metal and stone. But the two machine do have difference which affects their prices.First, let’s learn the crushing principles of the two machines.Crushing principle for hammer crusher:the main functional part is the rotor with hammers and the rotor is composed of main shaft, disc, pin roll and hammer. After fed in the crusher by upstream feeder, materials are struck, impacted, shorn and ground into smaller particles by the rapidly rotating hammers, then qualified materials are discharged out of the discharging port. Explained specially, th...
作者: General Mining Machinery News Department
发布时间: 2017 - 12 - 22
点击次数: 0
What are parts of impact crusher? What does each part do? What problems should be paid attention to in production and installation? With these questions today, the crushing technical expert of Zhengzhou General Mining Machinery will explain the details and matters needing attention of the components of impact crusher to you.The five major components of impact crusher include: rotor, hammer, counter board, guide plate, curtain chain.First, the rotor.Sufficient weight must be provided to meet the requirement of crushing large ore. It divides into integral type - cast steel and composite type - several pieces of cast steel or steel plate. The rotor is the main working part of the impact crusher, and it is rotating at high speed, so it is required to be balanced.Balance condition:static balanc...
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