Aiming at the characteristics of drainage pumps in mine , the paper presented a method of realizing balance run and automatic shift of multi - motor of drainage pumps by analyzing the control demand of drainage pumps and searching the optimization scheme between the reliability , simplicity and economy of system control 文章针对煤矿井下排水泵的特点，通过分析其控制要求，在系统控制的可靠性和控制实现的简洁性、经济性之间寻求最佳化，给出了实现多台排水泵电机均衡运行和自动轮值控制的一种方法。
The personnel of shanghai luhua fire - fighting equipment co . , ltd . is pleased if they could give you further data on the exercised fields of activity such as water pumps , routine , submersible motors , moreover also on deep wells , conditions , industrial water and beyond that also on linkage and industrial water supply by mail or telephone 您可以垂询销售部门关于例行维修、条件、规定、限制项目、深孔钻进和生活用水供应、工业用水供应、生活用水、工业用水、逻辑电路、连接、并置、串联或排水泵、水泵的产品供应和价格。
