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the roll Crusher installation design and screening system Datetime：2014-06-28 Brief:2003 year I mining technicians developed the double roll crusher, developed after the success of installing in coal floor above the belt, breaking feed blends to improve coal quality and quantity of clean coal. Due to broken grain size did not strictly meet after 13mm, modified, replaced double roll Crusher hammer Crusher. Meanwhile, after filtering into railway coal bunker of coal blends, the appearance of gangue, coal particle size greater than 50mm are legion 
-roller crusher
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