对粉碎设备的选择应根据原料块度大小、工业上对粉碎产品粒度大小的不同要求来选择不同的粉碎机。如对石灰石要碎到40微米达90%时,要用高速冲击式粉碎机。对性脆的矿物原料要碎至100～200目时,要采用冲击式粉碎机,而对产品要达325目以下时,则要使用超细粒粉碎机。而对产品要求 The selection of crushing equipment should be based on the size of raw materials, industrial size of the crushed product size to different requirements to choose a different grinder. Such as limestone to 40 microns up to 90%, the use of high-speed impact grinder. On the brittle mineral raw materials to be broken to 100 ~ 200 mesh, the use of impact grinder, while the product up to 325 mesh the following, you have to use ultra-fine grinder. And the product requirements