从本世纪初开始,鲍姆跳汰机就被用于分选原煤,许多年来,虽然在机器的设计上已有很大的改进,但其基本工作原理仍无变化。本文介绍的情况和提出的各种看法,主要是根据当前英国的鲍姆跳汰机的结构设计和选煤实践而编写的。 Baum jig has been used for sorting raw coal since the beginning of this century. For many years, the basic principle of operation has not changed although the design of the machine has been greatly improved. This article describes the situation and put forward various views, mainly based on the current British Baum jig structure design and practice of coal preparation.