新汶矿务局良庄矿选煤厂是一座年设计处理能力120万t的选煤厂,于1957年7月建成投产,选煤工艺为重介选煤。原煤准备车间主要是将原煤经过筛分、手选、破碎后,为重介选煤创造合适粒度范围的原料煤。该车间原煤破碎用的设备为2台老式双齿辊破碎机,该机存在出料粒度不稳定,破碎机的 Xinwen Mining Bureau Liangzhuang Coal Preparation Plant is an annual design processing capacity of 1.2 million t of coal preparation plant, completed and put into operation in July 1957, the coal preparation process for the HM coal. Raw coal preparation plant is mainly through the screening of raw coal, hand-selected, broken, heavy-medium preparation of coal to create the right size range of raw coal. The plant crusher coal crushing equipment for the two old double-roll crusher, the machine there is instability of the discharge size, crusher