Mining Crusher Equipments Development And Application Of Cross-time
Crusher several times through the development of the change
. Mining Crusher is mainly used for large-scale mining, ore crushing process, process for the gravel or broken stone, generally refers to the original ore after blasting mountains, processed into the finished size to meet demand. With the development of mining crusher, to some extent to improve the overall process of mining, crushing machine in the processing of large-scale mining as a core device. Gravel in accordance with the ore material feed size and the particle size, crushing machine for crushing ore, crushed and broken bits in the field. Crusher crusher application development is based on continuous improvement, product performance also continues to improve, to a greater extent to meet demand.
The eighties of the twentieth century, jaw crusher plate using two compression and bending of the material effect on the hardness of the material for a variety of rough, broken or in pieces processing; if the work only briefly when the moving jaw arc swing industry said swing jaw crusher is simple; if work as well as swing arc up and down movement, said swing jaw crusher complex.
Jaw Crusher is widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry and many other sectors, jaw crusher MPa compressive strength of not more than 320 different kinds of materials. The requirements of development, in order to avoid damage due to replace the broken parts to affect production, but also can be used to achieve the insurance and the hydraulic adjustment device. Some jaw crusher is also directly driven by hydraulic drive movable jaw plate, material crushing action to complete. These two types of hydraulic transmission equipment jaw crusher, often referred to as the hydraulic jaw crusher.
To the early 70s, gyrating crusher, the use of cone breaker cavity within the shell of the cycle exercise, have squeezed the material, splitting and bending, crushing all kinds of hardness of the ore or rock crushing machinery. Broken cone with the top of the spindle bearing bush in the central beam, the lower end of the eccentric sleeve is placed in the hole. Shaft rotation, broken cone around the machine center line for breaking the eccentric cycle exercise its action is continuous, and therefore the efficiency of higher than jaw crusher.
The crushing operation of the row of the general uniformity of particle size than crushing the high operational requirements, therefore, the lower part of the crushing chamber shall be a parallel to the area, the same time, the cycle must speed up the rate of broken cone, so the material in the parallel area more than once within the extrusion. Cone crusher discharge opening smaller, mixed with a compound of the non-breaking material has resulted in accidents, and because, the crushing operation of the demanding schedule of particle size must be adjusted in the liner wear in time after the discharge opening, which tapered crusher insurance and adjusting device is more necessary than the crushing operation. Cone crusher gyratory crusher with the same, but only for jobs in the crushed or finely broken machinery. The continuous development of cone crusher, a spring cone crusher,
Symons cone crusher and hydraulic cylinder and multi-cylinder hydraulic cone crusher cone crusher crusher and other equipment.
At the same time, hammer crusher and
impact crusher continued development, particularly crusher crushing ratio greater, and can make better use of the rotor speed impact energy. However, due to plate hammer easy to wear, it is broken in the application of hard materials is also limited, often used to rough broken, crushed or broken bits of limestone, coal, calcium carbide, quartz, dolomite, iron pyrites, gypsum and chemical raw materials such as the hard-brittle materials below.
Crusher is widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry and many other sectors. There currently used crusher jaw crusher, impact crusher, impact crusher, roller crusher, crushing machine for composite materials, brick, coal, metallurgy, mining, power, light industry and other industrial sectors for crushing coal, shale, cinder, carbon, lime, cement guessed, Peng Run in the hard soil and crushing brittle materials, the crushed and broken bits.
by: grinding mill
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