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城郊煤矿副井深550 m,井底主排水房设计安装10台D580-70×8 1 250 kW水泵,采用3趟φ426 mm排水管进行排水。主泵房内3趟循环管路采用预埋的悬臂梁吊挂,每台水泵出水口上安装有1台波纹补偿器,如图1所示。
Suburface coal mine in Chengjiao Coal Mine is 550m deep. 10 D580-70 × 8 1 250 kW pumps are designed and installed in the main drainage well at the bottom of the mine, and 3 times φ426 mm drainage pipes are used for drainage. The main pump room 3 times the cycle pipeline embedded cantilever beam hanging, each pump outlet installed a corrugated compensator, as shown in Figure 1.