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苏联斯维尔特洛夫矿业学院矿山机械教研室,研究了一种将双侧吸风的B—31.5M离心式扇风机直接布置在通风井口的主扇配置方式如图1。主扇装置包括带有工作轮、吸风机壳和
In the mine mechanics department of the Sverdlov Institute of Mining and Metallurgy in the Soviet Union, a main fan configuration of the B-31.5M centrifugal fan directly suctioning on the wellhead is shown in Fig.1. The main fan unit includes a working wheel, suction fan case and