排灌机械2009，Vol.27Issue(3)：145-149,5.
内装式矿用隔爆多级潜水泵设计
Design of multistage flameproof submersible pumps with inner motor for coal mine
摘要
Abstract
Design methods of a multistage flameproof submersible pump for coal mine were introduced in details. The effects of base holes, cover height, volute flow passage and outlet position on pump hydraulic efficiency were analyzed, and the optimizations for those parts were done. Pump′s volumetric efficiency can be improved by using floating rings. Rotor′s radical flop is limited through setting a sliding bearing. Pressure at friction-pair of dual-end face mechanical seal is always larger than spring′s origin force through static ring optimization in oil chamber. The BQW80-180-90 pump experiment results show that the pump can run quietly due to the floating rings and sliding bearing, and its efficiency is increased by about 8% compared to that of MT/T 671-2005. Meanwhile the new mechanical seal is more reliable than the old one. To sum up, the new design of this kind pump has high efficiency and reliability.关键词
矿用隔爆潜水泵/多级/浮动密封环/可靠性/机械密封Key words
flameproof submersible pump/multistage/floating rings/reliability/mechanical seal分类
机械制造引用本文复制引用
曹卫东,李跃,孙新庆..内装式矿用隔爆多级潜水泵设计[J].排灌机械,2009,27(3):145-149,5.基金项目
国家863计划项目(2007AA05Z207) （2007AA05Z207）
国家科技支撑计划项目(2008BAF34B15-1) （2008BAF34B15-1）
