Double roll crushers are used for both, primary and secondary crushing. They guarantee a strictly defined final grain size with a minimum of fine grains.mining crusher and grinding mill for sale Raw materials, secondary materials and by-products such as coke, sinter, coal, soft to medium-hard rock, ore, chalk, broken glass and similar products. With The Advanced Hydraulic Control System, Users Can Adjust The Pressure According To The Material Hardness, So That Can Press And Pulverize The Materials Absolutely;With Sensor,cone type crusher The Machine Can Load Relief When Overload, So That To Protect The Machine;The Advanced Hardfaced Technology Improves The Roller Covers‘ Life;Good Performance, Low Cost In Operation And Easily Maintainence. The motor drives the fixed roller and movable roller to work via reducer and coupling. Materials are put into the space between the two rollers via the feed entrance.the price of magnetic separator As the two rollers inward turning, the input materials are crushed, pressed, ground, and at last come out from the base of the machine.
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