自吸真空井是(shi)開采(cai)淺層(ceng)地下(xia)水(shui)(潛水(shui))比較理想(xiang)的(de)(de)井型.它(ta)符(fu)合多快好省的(de)(de)精神，真空井價格(ge)，花錢少、效(xiao)果快，節能真空井，當(dang)天就打井當(dang)天即可抽(chou)水(shui)灌(guan)田(tian).真空井點(dian)系統(tong)全部安(an)裝埋設完畢，應接通總管與抽(chou)水(shui)設備進行(xing)試抽(chou)水(shui)，檢查有(you)(you)無(wu)漏水(shui)、漏氣，出水(shui)是(shi)否正常(chang)，有(you)(you)無(wu)淤(yu)塞等現象，對(dui)于(yu)(yu)基坑(keng)降水(shui)來說(shuo)，目標函數(shu)的(de)(de)選(xuan)擇有(you)(you)多種，大多數(shu)是(shi)以工程造價小(xiao)為目標函數(shu)。針對(dui)于(yu)(yu)深基坑(keng)大多在密集(ji)的(de)(de)建筑群中施工場地狹(xia)窄，

人(ren)們所以歡迎(ying)它，主要是(shi)制做簡(jian)單、打法(fa)容易，農用(yong)(yong)真(zhen)(zhen)空(kong)井(jing)(jing)，平時使用(yong)(yong)不花錢、不燒油、不用(yong)(yong)電，無地面(mian)污(wu)染，什么時候(hou)用(yong)(yong)水什么時候(hou)壓，一輕而易舉，真(zhen)(zhen)空(kong)井(jing)(jing)水泵抽水時，井(jing)(jing)內形(xing)成(cheng)真(zhen)(zhen)空(kong)，降低(di)了(le)井(jing)(jing)水面(mian)上的大(da)氣壓強，加(jia)大(da)了(le)井(jing)(jing)水面(mian)與含水層間的水頭差，加(jia)快了(le)地下水向井(jing)(jing)中流動的速度。真(zhen)(zhen)空(kong)井(jing)(jing)，真(zhen)(zhen)空(kong)井(jing)(jing)，又(you)稱井(jing)(jing)泵對口抽，是(shi)把井(jing)(jing)管口和水泵吸水管口連接密封成(cheng)整(zheng)體的機(ji)井(jing)(jing)。并(bing)且，結(jie)構簡(jian)單，費用(yong)(yong)節(jie)省，改(gai)裝技術(shu)簡(jian)便，使用(yong)(yong)維(wei)修(xiu)方(fang)便。

真(zhen)空(kong)井(jing)(jing)(jing)點降水(shui)(shui)(shui)(shui)原(yuan)理通過總管利用(yong)抽水(shui)(shui)(shui)(shui)設備將地(di)下水(shui)(shui)(shui)(shui)從井(jing)(jing)(jing)管內不斷抽出(chu)，使原(yuan)有地(di)下水(shui)(shui)(shui)(shui)位降低(di)。當基坑(keng)面積(ji)較大時，宜采用(yong)環形(xing)井(jing)(jing)(jing)點。真(zhen)空(kong)井(jing)(jing)(jing)亦稱井(jing)(jing)(jing)泵(beng)(beng)(beng)對(dui)口抽。把(ba)井(jing)(jing)(jing)管與水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)吸(xi)水(shui)(shui)(shui)(shui)管連接并(bing)密封成整體(ti)的(de)(de)管井(jing)(jing)(jing)。當水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)開動(dong)后，井(jing)(jing)(jing)內形(xing)成真(zhen)空(kong)，用(yong)壓(ya)水(shui)(shui)(shui)(shui)機(ji)或離心泵(beng)(beng)(beng)把(ba)水(shui)(shui)(shui)(shui)抽上來使用(yong)。真(zhen)空(kong)井(jing)(jing)(jing) 節省(sheng)了天天去公(gong)共(gong)井(jing)(jing)(jing)擔水(shui)(shui)(shui)(shui)的(de)(de)時間和所付出(chu)的(de)(de)體(ti)力(li)勞動(dong)量(liang).增加了出(chu)水(shui)(shui)(shui)(shui)的(de)(de)量(liang)，提高了動(dong)水(shui)(shui)(shui)(shui)位，縮(suo)短了水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)吸(xi)水(shui)(shui)(shui)(shui)揚程，提高裝(zhuang)置效率。