泵房是裝置水泵、動力機、電氣設備及其他輔佐設備的建筑物,是泵站工程的主體,其主要作用是為單級單吸防爆油泵機組、輔佐設備及運轉管理人員供給杰出的工作條件。不一樣的泵房方法影響并決議泵站進、出水建筑物的方法及其安置。合理規劃泵房,對節省工程出資,延 長設備使用壽命,保證安全和經濟運轉都具有重要意義。 泵房的構造方法許多,按泵房能否移動分為固定式泵房和移動式泵房兩大類。固定式泵房按根底構造又分為分基型、干室型、濕室型和塊基型四種構造方法。移動式泵房根據移動方法的不一樣分為浮船式和纜車式兩種類型。本章主要敘述固定式泵房的泵房方法、構造特色、適用條件、內部安置和尺度斷定。 一、分基型泵房及特色 分基型泵房的根底與機組根底分隔建筑,屬單層構造。其特色是泵房構造和通常工業廠房類似,多為磚混構造且無水下構造,規劃簡單,施工容易,因為泵房地上高于進水池*高水位, 通風、采光及防潮條件都比較好,有利于機組和電氣設備的運轉和保護,是中、小型泵站*常選用的構造方法。 分基型泵房的適用條件為: 裝置臥式離心泵或混(hun)流泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)機(ji)組(zu)。 站(zhan)(zhan)址處(chu)地(di)(di)(di)質及水(shui)(shui)(shui)(shui)(shui)(shui)文地(di)(di)(di)質條件(jian)較(jiao)好(hao),地(di)(di)(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)較(jiao)低(di)。 水(shui)(shui)(shui)(shui)(shui)(shui)源(yuan)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)變(bian)幅(fu)小于(yu)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)有(you)用(yong)吸(xi)(xi)程(cheng)(cheng)(允許吸(xi)(xi)水(shui)(shui)(shui)(shui)(shui)(shui)高(gao)度減去水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)基(ji)(ji)準(zhun)面(mian)至泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)地(di)(di)(di)上(shang)的(de)(de)間(jian)隔(ge)),即泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)地(di)(di)(di)上(shang)在進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)池(chi)*高(gao)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)以上(shang)。 假如(ru)水(shui)(shui)(shui)(shui)(shui)(shui)源(yuan)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)變(bian)幅(fu)超出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)有(you)用(yong)吸(xi)(xi)程(cheng)(cheng)不大,且(qie)依然選(xuan)用(yong)分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)時(shi),可通過在站(zhan)(zhan)前(qian)建(jian)防(fang)(fang)洪(hong)閘或擋(dang)水(shui)(shui)(shui)(shui)(shui)(shui)墻(qiang)來處(chu)理(li)選(xuan)用(yong)分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)時(shi)的(de)(de)防(fang)(fang)洪(hong)疑(yi)問(wen)。這時(shi)應(ying)留意洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)對(dui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)地(di)(di)(di)基(ji)(ji)的(de)(de)晦(hui)氣影響(如(ru)滲(shen)透、濕陷等)。 分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)池(chi)邊(bian)坡(po)能(neng)夠建(jian)成(cheng)(cheng)斜坡(po)式(shi)(shi),也能(neng)夠建(jian)成(cheng)(cheng)直立擋(dang)土(tu)墻(qiang)式(shi)(shi)。斜坡(po)式(shi)(shi)進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)管路較(jiao)長(chang),但比建(jian)筑擋(dang)土(tu)墻(qiang)經濟(ji)。假如(ru)在深挖方或地(di)(di)(di)基(ji)(ji)條件(jian)較(jiao)差的(de)(de)場(chang)合(he)下(xia)(xia)搭站(zhan)(zhan),為了(le)減少(shao)開挖和(he)加固岸邊(bian)的(de)(de)工(gong)程(cheng)(cheng)量,可將進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)池(chi)后(hou)墻(qiang)建(jian)成(cheng)(cheng)直立式(shi)(shi)。 二(er)、干(gan)(gan)(gan)室(shi)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)及特色 當(dang)水(shui)(shui)(shui)(shui)(shui)(shui)源(yuan)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)變(bian)幅(fu)較(jiao)大,為了(le)防(fang)(fang)止(zhi)(zhi)高(gao)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)時(shi)水(shui)(shui)(shui)(shui)(shui)(shui)從(cong)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)四(si)周和(he)底(di)部進(jin)(jin)(jin)入,將泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)四(si)周墻(qiang)面(mian)和(he)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)底(di)板以及機(ji)組(zu)根(gen)(gen)底(di)用(yong)鋼筋混(hun)凝(ning)土(tu)澆筑成(cheng)(cheng)不透水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)整體,形成(cheng)(cheng)枯燥的(de)(de)地(di)(di)(di)下(xia)(xia)室(shi),這種泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)稱為干(gan)(gan)(gan)室(shi)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)。 干(gan)(gan)(gan)室(shi)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)的(de)(de)構(gou)造(zao)(zao)特色是有(you)地(di)(di)(di)上(shang)和(he)地(di)(di)(di)下(xia)(xia)兩(liang)層(ceng)構(gou)造(zao)(zao),地(di)(di)(di)上(shang)構(gou)造(zao)(zao)和(he)分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)根(gen)(gen)本相同(tong),地(di)(di)(di)下(xia)(xia)構(gou)造(zao)(zao)為不允許進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)干(gan)(gan)(gan)室(shi),主機(ji)組(zu)裝置(zhi)在干(gan)(gan)(gan)室(shi)內,其根(gen)(gen)底(di)與干(gan)(gan)(gan)室(shi)底(di)板用(yong)鋼筋混(hun)凝(ning)土(tu)澆筑成(cheng)(cheng)整體。為了(le)防(fang)(fang)止(zhi)(zhi)水(shui)(shui)(shui)(shui)(shui)(shui)進(jin)(jin)(jin)人泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang),地(di)(di)(di)下(xia)(xia)干(gan)(gan)(gan)室(shi)擋(dang)水(shui)(shui)(shui)(shui)(shui)(shui)墻(qiang)的(de)(de)頂部高(gao)程(cheng)(cheng)應(ying)高(gao)于(yu)進(jin)(jin)(jin)水(shui)(shui)(shui)(shui)(shui)(shui)側(ce)*高(gao)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei),底(di)板高(gao)程(cheng)(cheng)按(an)*低(di)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)和(he)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)吸(xi)(xi)水(shui)(shui)(shui)(shui)(shui)(shui)功(gong)能(neng)斷定。別(bie)的(de)(de),和(he)分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)比較(jiao),其構(gou)造(zao)(zao)雜亂,工(gong)程(cheng)(cheng)量較(jiao)大,泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)的(de)(de)通風(feng)、采光條件(jian)也較(jiao)差。 干(gan)(gan)(gan)室(shi)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)的(de)(de)適用(yong)條件(jian)為: 水(shui)(shui)(shui)(shui)(shui)(shui)源(yuan)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)變(bian)幅(fu)大于(yu)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)有(you)用(yong)吸(xi)(xi)程(cheng)(cheng)。 地(di)(di)(di)質及水(shui)(shui)(shui)(shui)(shui)(shui)文地(di)(di)(di)質條件(jian)較(jiao)差,如(ru)地(di)(di)(di)基(ji)(ji)承載力低(di)、地(di)(di)(di)下(xia)(xia)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)高(gao)等。 選(xuan)用(yong)分(fen)(fen)(fen)基(ji)(ji)型(xing)(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)房(fang)(fang)(fang)在技能(neng)、經濟(ji)上(shang)不合(he)理(li)。
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