Jaw crusher is crushing stone equipment with long history. It is widely used in metallurgy, mechanical industry, building material, power, transportation until now, because it is simple in structure, b, reliable, easy for maintenance and repair, and with low cost. It can crush rocks with strength of 147-245Mpa. As everybody knows, the main...

Working Theory of Rotary Dryer: The wet materials are transported into the material hopper by the belt conveyor and bucket elevator, and gets into the feeding terminal through feeding pipe with the aid of feeder of material hopper. The pitch of the feeding pipe should be more than the natural pitch of materials in order to help the materials flow...