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double roller crusher Introduction:
Roller crusher is mainly applied in cement, metallurgy, chemical, electricpower, coal and other industries for crushing various materials of mediumhardness like limestone, slag, coke, coal and other materials. According to thenumbers of the roller, it is divided into single roller crusher, double rollerscrusher and multi-rollers crusher. It has simple structure, less phenomenon ofover-crushing, and reliable operation.
It mainly consists of frame, rotary device, crushing roller, adjustment deviceand spring safety device, etc.
When working, the two rollers rotate toward each other, and the minerals willenter between them, by action of the friction, the minerals will be sent intothe crushing space for pressing. Due to the gravity of minerals, they will bedischarged out from the gap of two rollers. And the minimum distance of the tworollers is the width of the discharge size.
Adjustment of the discharging size: There is a wedge or gasket adjustmentdevice between two rollers. At the top of the wedge adjustment device, there isan adjusting bolt. When the bolt pull wedge upward, the wedge will make themovable roller jack away from the fixed roller, thus the gap of two rollersbecome larger, so as the discharging size. Of course, under the reversedsituations, it will become smaller. For gasket adjustment device, it adjuststhe discharging size by means of increasing and decreasing the pieces orthickness of the gaskets. Increasing pieces will make the gap become larger,the reverse is smaller.