【摘要】 机采煤块煤率是煤炭工业的一个重要经济指标.本文从机采煤块度分布规律入手,论述了如何按给定块煤率确定采煤机截煤螺旋滚筒的主要参数.更多还原

【Abstract】 The rate of lumps produced by shearer is an important economical index. This paper starts from the destributive rule of lumps of coal produced by shearer, and discusses how to determine the essential parameters of shearer’s spiral drum according to the given rate of lumps.更多还原