1.问题的提出水口山矿务局康家湾矿在“探采结合”的开发过程申、施工和生活用水在永久性设施未建立时都是由井下排水提供,随着矿区的疏干、水位逐步下降,而且放水点距地表垂高385m,原有单台泵排水扬程不够。如采用两段临时排水,须在斜井中部建立新泵站和水仓(虽有临时泵站和水仓,但裂缝大不能利用), 1. Question raised Kangchuan Bay Mine Mining Bureau Bay in the “exploration and mining combined with” the development process, construction and domestic water in the permanent facilities are not established by the underground drainage are provided, with the mine dredging, Gradually drop the water level, and drainage point hanging from the surface 385m, the original single pump drainage head is not enough. If two sections of temporary drainage are to be used, a new pumping station and a water reservoir have to be established in the central part of the inclined shaft (although there are temporary pumping stations and water silos, the cracks can not be utilized)