Double rotor fine hammer crusher function can crush the moisture content which is below 20%, it can be produced normally, the output is high, and the return is small (the crusher is used for crushing, and then sieving, the finished product below 2.5mm can be beaten to 75%-85%), the spindle wheel core is free of wear and does not need to be replaced. It only takes 30 minutes to change the hammer. Except for normal maintenance, the equipment has no maintenance except for wearing parts.