Pf Series Impact Crusher Is With Closed Circuit

PF series impact crusher is with closed circuit

Based on years of experience, PF Series Impact Crusher has been developed by Hongxing Mining Machinery company. It is a kind of broken machine making use of impact energy to break the materials. When operating, the rotor will high-speed rotation driven by the motor. As the material come into the interaction region, they were broken by attacking with the plate hammer. And then the materials were thrown to the counter-attack on the device for crushing again. Finally, the materials bounced back into the interaction region to re-broken. This process is repeated and materials size from big to small through repeated broken in the first, second and third impact chamber until the material is broken to the desired particle size and out of the discharge port. Adjust the gap between the frame and the rotor can change the material particle and shape. Stone falls directly into the high-speed rotation of the turntable from the upper part of the machine; Under high-speed centrifugal force, stone shunts around the turntable with umbrella shape at high-speed. Under the collision with each other, stone will friction, grinding many times. Finally, finished products fall straight from the lower part of the discharge. Thus form a closed loop several times to reach the required particle size by sieving device control.

The efficiency of the early stages of grinding in a ball mill is much greater than that for formation of ultra-fine particles, so ball mills operate most efficiently by making a coarse product, the fine fractions of this then being separated, and the coarse part being returned to the mill inlet. The proportion of the mill-exit material returned to the inlet may vary from 10-30% when ordinary cement is being ground, to 85-95% for extremely fine cement products. It is important for system efficiency that the minimum amount of material of finished-product fineness is returned to the inlet. Modern separators are capable of making a very precise size "cut" and contribute significantly to the reduction of energy consumption, and have the additional advantage that they cool both the product and the returned material, thus minimizing overheating. A wide variety of related conveying machines are available, different as regards principle of operation, means and direction of conveyance, including screw conveyors, vibrating conveyors, pneumatic conveyors, the moving floor system, which uses reciprocating slats to move cargo, and roller conveyor system, which uses a series of powered rollers to convey boxes or pallets.

by:nicole

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