It consists of grinders, disposing air course, whirlwind separator, electric box and wate cooler. The main engine is made of fuselage, motor, gearshift motor, deliver mechanism, regulator, a fixed surface( or taper) grinder chamber is controlled by cooling air and cooling water. Then the power is conllected by whirwind collect. There is no any dust flying in the whole process. Featuring compact structure, low noise, large feed treament, low enegy, easy handle and maintence and no environment pollution.