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  • Impact CrusherThis kind of engineering machine is widely used in road construction, city dwellings construction, pipe laying and road repairing projects. Also known as wheel digger, our wheel excavator is equipped with original imported Cummins engine, Kawasaki pump, TOSHIBA or Parker valve and motor...
  • Jaw Crusher Excavator, also known as excavating machinery, is used to excavate materials exceed or under the working surface and load to vehicles or discharge to rickyard. The materials excavated include: soil, coal, sediment and mould and rock. The excavating machine develops quickly in recent years. As an important tool in engineering ...
  • Cone CrusherExcavator, also known as excavating machinery, is used to excavate materials exceed or under the working surface and load to vehicles or discharge to rickyard. The materials excavated include: soil, coal, sediment and mould and rock. The excavating machine develops quickly in recent years. As an important tool in engineering ...

Crusher

Description:
The crushing plant is a kind of engineering machinery which is often used to mining, transporting, digging, loading, drilling minerals or other geological materials from hills. We can manufacture and supply a full range of crushing plants for all kind of mining duties. The crushing plant we offer include: hydraulic mining excavators, mining bulldozers, mining wheel loaders, mining trucks, mining drilling machines, mining shovel loaders, vibrating feeders, vibrating screens, jaw crushers, impact crushers, spring cone crushers, combined cone crushers, high efficiency complex crushers, combined fine crushers, sand makers, PLC vertical shaft impact crusher, vertical shaft impactors, sand recovery systems, and belt conveyors. Those heavy-duty machines we offer have the great performance in all kinds of heavy mining duties. If you want to remove overburden, break rocks, and mine ores such as metal ores, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, rock salt and potash, please contact us.
Development:
In industry, crushing plant are machines which use a metal surface to break or compress materials. Mining operations use crushers, commonly classified by the degree to which they fragment the starting material, with primary and secondary crushers handling coarse materials, and tertiary and quaternary crushers reducing ore particles to finer gradations. Each crushing plant is designed to work with a certain maximum size of raw material, and often delivers its output to a screening machine which sorts and directs the product for further processing. Typically, crushing stages are followed by milling stages if the materials need to be further reduced. Additionally rock breakers are typically located next to a crusher to reduce oversize material too large for a crusher. Crushers are used to reduce particle size enough so that the material can be processed into finer particles in a grinder. A typical processing line at a mine might consist of a crusher followed by a SAG mill followed by a ball mill. In this context, the SAG mill and ball mill are considered grinders rather than crushers.

Operation:
In operation, the raw material (of various sizes) is usually delivered to the primary crusher's hopper by dump trucks, excavators or wheeled front-end loaders. A feeder device such as an apron feeder, conveyor or vibrating grid controls the rate at which this material enters the crusher, and often contains a preliminary screening device which allows smaller material to bypass the crusher itself, thus improving efficiency. Primary crushing reduces the large pieces to a size which can be handled by the downstream machinery.

Some crushing plants are mobile and can crush rocks (as large as 60 inches). Primarily used in-pit at the mine face these units are able to move with the large in-feed machines (mainly shovels) to increase the tonnage produced. In a mobile road operation, these crushed rocks are directly combined with concrete and asphalt which are then deposited on to a road surface. This removes the need for hauling over-sized material to a stationary crusher and then back to the road surface.

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