本文在分析矿井排水系统一般生产规律的基础上，建立了矿井排水系统的随机模拟模型。
Based on analysis of the general regularity of mining drainage system, a random simulation model of mining drainage system is developed.
根据矿井排水系统一般可以简化为串联复杂管路系统的特点，采用特征线法模拟其断电停泵的瞬变过程。
Since a mine pumping system can generally be simplified into a complicated pipe-line system in series, the transient process is simulated by a method of characteristic line.
对矿井排水系统的安全性进行了分析，提出了泵组排水系统技术方案，并对这种方案的安全性、技术性、经济性给予探讨。
The safety of pumping water system in the mine is analysed and technique scheme of pump group pumping water system is put forward.
对矿井排水系统的安全性进行了分析，提出了泵组排水系统技术方案，并对这种方案的安全性、技术性、经济性给予探讨。
The safety of pumping water system in the mine is analysed and technique scheme of pump group pumping water system is put forward. And safety, technicality, economy of this measure has been studied.
目前国内各矿井的排水系统多采用传统的继电器控制方法，用人工进行监测。
At present, most drainage systems of all domestic coal mine well adopt conventional means of relay controlling, inspected artificially.
井下水泵房排水系统担负着整个矿井积水排除的任务，其安全可靠性直接影响矿井生产的效率和安全。
Pumping collected water from mining area is the job of drainage system in pumping house under mine, which has closely relations to mining security and efficiency.
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
Mechanics research on chief draining pump cavitation damage in coal mine;
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
Mechanics research on chief draining pump cavitation damage in coal mine;
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