1.Jaw crushers are mainly used as primary crushers, it can crush hard material, such as granite, basalt.2.Impact crusher is usually used as a medium-fine hardness crusher, such as limestone, concrete, it has good crushing efficiency of some brittle material.It mainly crushes the small material discharge from the jaw crusher.In general, the jaw crushers are placed before the impact crusher.
4, the viscosity of the material: the greater the viscosity of the material, the more likely adhesion.Hongxing impact crusher, high viscosity materials will adhere to the inner wall of the cavity of sand, if not promptly clean up, will affect the work efficiency of the impact the sand making machine, serious cases may affect the impact sand making machine work properly.Therefore, in the choice of materials, we must pay attention to the viscosity of materials not too much.
The stone from the surge pile is conveyed to a vibrating inclined screen called the scalping screen.This unit separates oversized stone from the smaller stone.The undersized material from the scalping screen is considered to be a product stream and is transported to a storage pile and sold as base material.The stone that is too large to pass through the top deck of the scalping screen is processed in the secondary crusher.Cone crushers are commonly used for secondary crushing (although impact crushers are sometimes used), which typically reduces material to about 2.5 to 10 centimeters (1 to 4 inches).The material (throughs) from the second level of the screen bypasses the secondary crusher because it is sufficiently small for the last crushing step.The output from the secondary crusher and the throughs from the secondary screen are transported by conveyor to the tertiary crushing circuit, which includes a sizing screen and a tertiary crusher.
Hammer mills are machines with a rotating shaft that is fitted with free-swinging hammers.This assembly is enclosed by a drum and fed by a hopper.A screen keeps material inside the drum until the rotating hammers pulverize it into pieces of the desired size.These types of aggregate crushers are commonly used to produce crushed stone for landscaping or to process recycled asphalt.Hammer mills are sometimes known as impact crushers.
Gradation chart for pcc aggregates gradation chart for pcc aggregates 160 m 0.16 315m 0.315 630m 0.63 1 impact crusher.Single stage hammer crusher.
In the limestone crushing plant, there are hammer crusher and impact crusher for big abridgement ratio.For the limestone grinding equipment, ball mill,raymond mill is common.
The impact crusher, also known as counter-breaking, is a kind of crushing machine that uses impact energy to crush materials.It can process materials with a side length of 100-500 mm and a compressive strength of up to 350 mpa.It has the advantages of large crushing ratio and cubic particles after crushing.Widely used in building materials, ore crushing, railways, highways, energy, transportation, energy, cement, mining, chemical and other industries for medium and fine crushed materials, its discharge size can be adjusted, and the crushing specifications are diversified.
1.Material is repeatedly squeezed the chisel tooth plate, the surface of the tooth plate, or the formation of micro cracks in a prominent part of the roots of the extruding metal, this microcrack expanding connected, causing the surface of metallic materials off the formation of wear debris.2.Material repeatedly squeezed,china impact crusher resulting in tooth sheet metal materials by local fracturing or reveal their break-up or to reveal part of the formation of wear debris off with the extrusion of impact materials.
With excellent capacity and performance, the impact crusher is widely used in mining industry for crushing various kinds of ores and rocks.Impact crusher mainly consist of rotor, lining plate, impact plate, impact rack, hammer bar locking device, big gear and so on.Among them, impact rack is a wear parts of impact crusher.
4.Well-shaped products.The impact crusher can shape for its raw material, which is the unique feature that the cone crusher doesnt have.It can also be used as the sand maker for some plan with low requirement on the size of sand.
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