真空引水裝置系統是無底閥液上安裝的泵，利用真空泵輔助引水的系統。真空引水系統分兩部分：一部分是供水泵及管路；一部分是真空泵及輔助管路。真空系統可實現真空抽吸和真空保持功能，解決水泵啟動前的排氣引水工作程序，實現了供水泵方便、隨時、快速地啟動。
給(gei)水(shui)泵(beng)及(ji)輔助管(guan)(guan)路由進水(shui)管(guan)(guan)、給(gei)水(shui)泵(beng)、出水(shui)管(guan)(guan)、機封沖洗水(shui)管(guan)(guan)組成(cheng)。泵(beng)工(gong)作(zuo)時，水(shui)由進水(shui)管(guan)(guan)在(zai)給(gei)水(shui)泵(beng)做功的作(zuo)用(yong)下經出水(shui)管(guan)(guan)輸送到用(yong)戶。
真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)及輔助管(guan)(guan)路(lu)由(you)真(zhen)(zhen)(zhen)(zhen)空(kong)罐、真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)、氣(qi)水(shui)(shui)(shui)分(fen)離器(qi)、水(shui)(shui)(shui)箱、水(shui)(shui)(shui)箱補(bu)水(shui)(shui)(shui)管(guan)(guan)路(lu)、控制柜、聯接管(guan)(guan)路(lu)與儀表閥門組成(cheng)。給(gei)水(shui)(shui)(shui)泵(beng)(beng)(beng)啟動(dong)(dong)前(qian)時(shi)，進(jin)(jin)水(shui)(shui)(shui)管(guan)(guan)、給(gei)水(shui)(shui)(shui)泵(beng)(beng)(beng)及出水(shui)(shui)(shui)管(guan)(guan)內(nei)的(de)氣(qi)體(ti)通過(guo)水(shui)(shui)(shui)泵(beng)(beng)(beng)排(pai)(pai)氣(qi)口抽(chou)出，先進(jin)(jin)入(ru)真(zhen)(zhen)(zhen)(zhen)空(kong)罐(抽(chou)到一定程(cheng)(cheng)度(du)會是水(shui)(shui)(shui)液混合物(wu)，水(shui)(shui)(shui)會留在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)罐中(zhong))，再進(jin)(jin)入(ru)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)中(zhong)，然(ran)后(hou)(hou)(hou)(hou)在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)的(de)作用下(xia)進(jin)(jin)入(ru)氣(qi)水(shui)(shui)(shui)分(fen)離器(qi)中(zhong)，*后(hou)(hou)(hou)(hou)排(pai)(pai)入(ru)大(da)氣(qi)中(zhong)。真(zhen)(zhen)(zhen)(zhen)空(kong)罐底(di)有(you)聯接管(guan)(guan)與進(jin)(jin)水(shui)(shui)(shui)管(guan)(guan)相連，構成(cheng)平衡(heng)管(guan)(guan)路(lu)，保持真(zhen)(zhen)(zhen)(zhen)空(kong)罐中(zhong)的(de)真(zhen)(zhen)(zhen)(zhen)空(kong)度(du)。完(wan)成(cheng)引水(shui)(shui)(shui)后(hou)(hou)(hou)(hou)，給(gei)水(shui)(shui)(shui)泵(beng)(beng)(beng)可以隨時(shi)啟動(dong)(dong)，在(zai)(zai)運(yun)行(xing)過(guo)程(cheng)(cheng)中(zhong)，真(zhen)(zhen)(zhen)(zhen)空(kong)度(du)低于*低值時(shi)，真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)啟動(dong)(dong)，將系統的(de)真(zhen)(zhen)(zhen)(zhen)空(kong)度(du)抽(chou)至(zhi)*高(gao)值后(hou)(hou)(hou)(hou)真(zhen)(zhen)(zhen)(zhen)空(kong)泵(beng)(beng)(beng)停止。真(zhen)(zhen)(zhen)(zhen)空(kong)度(du)的(de)*低值要(yao)保證給(gei)水(shui)(shui)(shui)泵(beng)(beng)(beng)在(zai)(zai)任意(yi)時(shi)刻啟動(dong)(dong)上水(shui)(shui)(shui)。
