论文部分内容阅读
抚局胜利矿和西露天矿开采同一煤层,西露天矿露天开采上部煤,胜利矿井工条带开采下部煤,从客观上决定了胜利矿排水设备负担两个矿的全部排水任务,排水设备状态及单耗直接关系到两个矿煤炭生产和经济效益问题。 1982年前我矿会同局机电处制订了技术改造方案,预定了沈阳水泵厂出品的250D60×8型高效水泵,取代30年代的日本产550马力园筒型多级离心泵。
Shed Bureau victory mine and western open-pit mine mining the same seam, open-pit coal mining in the western open-pit mine, triumphant mining mine strip mining coal, objectively determine the triumph mine drainage equipment to bear all the drainage task of two mines, drainage equipment status And unit consumption is directly related to the two coal production and economic benefits. Before 1982, mine mine with the Office of Electrical and Mechanical Services Department formulated a technical transformation program, scheduled Shenyang Pump Works produced 250D60 × 8-type high-efficiency pumps to replace the 30’s Japan-made 550-hp cylindrical multi-stage centrifugal pump.