The production of carbon material needs the material of different sizes,so the material must be diveded into several particle grades through screening according to the size of material.

• 炭素材料生产中需要各种不同粒度的物料，因此物料必须通过筛分按尺寸大小不同分成若干粒度级别。炭素厂常用的筛分设备是震动筛。