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介绍鹤壁矿务局老矿井通风机技术改造的总体方案及设计、改造件的制造与现场施工等情况，通过改造前后技术经济效益的对比分析，论证了对老矿井通风机改造的可行性和必要性。
This paper introduces the overall scheme and design of technical renovation of old mine ventilator in Hebi Mining Bureau, the manufacture of modified parts and the on-site construction and so on. By comparing and analyzing the technical and economic benefits before and after the transformation, the feasibility and necessity of retrofitting the old mine ventilator is demonstrated Sex.