介绍高炉煤气余压透平装置各种结构、透平联接方式(TRT,BPRT)以及高炉煤气净化工艺,并对不同工况下透平回收效率进行分析,推广具有节能、增效的工艺,具有十分深远的意义。 This paper introduces various structures of BF residual pressure turbine, TRT and BPRT, as well as blast furnace gas purification technology. It also analyzes turbine recovery efficiency under different working conditions and promotes the process with energy saving and efficiency increasing. Very far-reaching significance.