... can reduce the dust and stone powder which mixes with the final sand, so sand making machine can ... of Sand Washing Machine: The electric motor runs slowly with the impellor after decelerated by the belt, decelerator ... stone flow into washing launder from feeding launder, rolls with the impellor, and grinds each other. The impurity ... *2640*32004420*2930*3800 sand washing machine with reasonable price