... ,coal gangue,limestone,shale. Hot Selling PC Series Grain CrusherUse and Features of Grain CrusherMining, cement, coal, metallurgy, building materials, ... the discharged particle size will be changed.Features of Grain Crusher1. Primary crushing 2. For dry and wet materials ... crushed until they reach the required size.Technical Parameters of Grain CrusherModelRotor speed (r/min)Input opening size(mm)Max ...