我单位在竖井井筒掘进施工中,井底工作面的积水采用QW-40-5.5型污水泵扬至吊盘水仓,由于工作环境恶劣,水泵烧坏频繁,严重时每天要更换3～4台,不仅严重影响到施工进度和生产成本,也威胁到安全生产,为彻底解决污水泵频繁烧坏问题,我们通过对多台烧坏水泵的解体检查,找出了造成绕组频繁烧坏的原因,并采取了有效的预防措施,收 I units in shaft drilling construction, the bottom surface of the stagnant water QW-40-5.5 type of sewage pump Yang hanging tray water tank, due to poor working conditions, the pump burned frequently, every day to be replaced 3 to 4 Taiwan, not only seriously affect the progress of construction and production costs, but also threaten the safety of production, in order to completely solve the problem of frequent sewage pump, we broke through the check on the number of burn-in pumps to find out the cause of frequent burnout winding , And took effective preventive measures to close