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換(huan)(huan)熱(re)(re)器(qi)是一種(zhong)比較(jiao)常見的(de)(de)(de)工業(ye)設備(bei),能夠將(jiang)熱(re)(re)流體設備(bei)的(de)(de)(de)一部(bu)分熱(re)(re)量(liang)傳(chuan)送到溫度相對較(jiao)低(di)的(de)(de)(de)設備(bei)中(zhong)。根據(ju)不同標(biao)準(zhun)分類(lei),可以將(jiang)換(huan)(huan)熱(re)(re)器(qi)分成(cheng)不同類(lei)別,不同類(lei)別的(de)(de)(de)換(huan)(huan)熱(re)(re)器(qi)之間(jian)是存(cun)在差異的(de)(de)(de),有各自的(de)(de)(de)優缺點(dian),適用的(de)(de)(de)場合也不盡相同。1、在運轉換(huan)(huan)熱(re)(re)設備(bei)前(qian)要先(xian)檢查全(quan)部(bu)接收能否曾經擰緊,定奪系統參數不會超(chao)越(yue)制造標(biao)簽上容許(xu)的(de)(de)(de)工作壓(ya)(ya)力和溫度值(zhi)。2、在啟動(dong)泵之前(qian),應該先(xian)把容積式換(huan)(huan)熱(re)(re)器(qi)的(de)(de)(de)全(quan)部(bu)閥門和放氣閥都翻開(kai),封閉換(huan)(huan)熱(re)(re)器(qi)的(de)(de)(de)進(jin)口閥。3、啟動(dong)泵后(hou),慢慢翻開(kai)泵的(de)(de)(de)出口閥,使(shi)壓(ya)(ya)力慢慢上升,為防止單(dan)側超(chao)壓(ya)(ya),進(jin)容積式換(huan)(huan)熱(re)(re)器(qi)的(de)(de)(de)兩種(zhong)介質(zhi)的(de)(de)(de)進(jin)口閥應該同時(shi)翻開(kai),或先(xian)遲緩(huan)地注入低(di)壓(ya)(ya)側介質(zhi),再遲緩(huan)注入高壓(ya)(ya)測介質(zhi)。
家用熱交換器解決了集體供暖家庭和冬天用熱水的難題。它的工作原理跟集體供熱的熱交換器原理相同。只是大小和樣式不同而已。最好半容積式熱交換器可分為鑄鐵式,筒式,鋼制式,儲水式,板式。效果都不錯。鑄鐵式熱交換器 的體積大,重量重。半容積式熱交換器廠家但(dan)是(shi)里面的(de)(de)銅(tong)(tong)(tong)管(guan)(guan)買之前可以打開(kai)檢查(cha)一下(xia),不容易被商家坑騙,而且用(yong)過幾(ji)年銅(tong)(tong)(tong)管(guan)(guan)壞了(le)還可以更換(huan)。筒式(shi)(shi)(shi)的(de)(de)體積(ji)(ji)小,交換(huan)效(xiao)率高。但(dan)用(yong)戶不能(neng)(neng)(neng)查(cha)看里面銅(tong)(tong)(tong)管(guan)(guan)的(de)(de)長度(du),也不能(neng)(neng)(neng)更換(huan)銅(tong)(tong)(tong)管(guan)(guan),而且還不太美觀。鋼(gang)制式(shi)(shi)(shi)鋼(gang)制式(shi)(shi)(shi)體積(ji)(ji)有大有小。用(yong)戶也不能(neng)(neng)(neng)查(cha)看里面銅(tong)(tong)(tong)管(guan)(guan)的(de)(de)長度(du),而且不能(neng)(neng)(neng)更換(huan)銅(tong)(tong)(tong)管(guan)(guan)。但(dan)是(shi)比較美觀。板式(shi)(shi)(shi)板式(shi)(shi)(shi),體積(ji)(ji)很小,重量很小。熱交換(huan)效(xiao)率很高。里面無銅(tong)(tong)(tong)管(guan)(guan)。熱交換(huan)能(neng)(neng)(neng)力跟(gen)層數有關(guan)。層數看得(de)(de)見,摸(mo)得(de)(de)著。水垢以上各種交換(huan)器在(zai)使用(yong)過程中都會產(chan)生水垢。用(yong)了(le)幾(ji)年后會出(chu)現(xian)水流小,出(chu)水不是(shi)太熱等情況。但(dan)在(zai)石家莊等地也出(chu)現(xian)了(le)專業(ye)除垢的(de)(de)公司。通過專業(ye)除垢后也能(neng)(neng)(neng)跟(gen)新的(de)(de)一樣。
產品(pin)介紹一(yi)、本熱(re)(re)交(jiao)換(huan)器(qi)適用(yong)(yong)(yong)于(yu)一(yi)般工業及民用(yong)(yong)(yong)建筑的(de)(de)(de)(de)熱(re)(re)水(shui)供應(ying)系統(tong)。按加熱(re)(re)管(guan)型(xing)式,分(fen)(fen)為甲型(xing)(U型(xing)管(guan)式)乙型(xing)(盤(pan)管(guan)式)兩(liang)種,加熱(re)(re)管(guan)的(de)(de)(de)(de)材料(liao)有(you)碳素鋼和黃銅(tong)管(guan)兩(liang)種。二、立(li)式容積式熱(re)(re)交(jiao)換(huan)器(qi)的(de)(de)(de)(de)表面(mian)設(she)置(zhi)保溫層(ceng)。三、熱(re)(re)交(jiao)換(huan)器(qi)必須設(she)置(zhi)安(an)(an)全(quan)(quan)裝(zhuang)(zhuang)置(zhi)一(yi)列三種安(an)(an)全(quan)(quan)裝(zhuang)(zhuang)置(zhi)可選其中一(yi)種裝(zhuang)(zhuang)設(she)與熱(re)(re)交(jiao)換(huan)器(qi)上(shang)。a.在熱(re)(re)交(jiao)換(huan)器(qi)頂部安(an)(an)裝(zhuang)(zhuang)設(she)安(an)(an)全(quan)(quan)閥(fa)。安(an)(an)全(quan)(quan)閥(fa)的(de)(de)(de)(de)壓(ya)(ya)力(li)必須與熱(re)(re)交(jiao)換(huan)的(de)(de)(de)(de)最高工作壓(ya)(ya)力(li)相適應(ying)(在向(xiang)安(an)(an)全(quan)(quan)閥(fa)生(sheng)產廠訂(ding)貨時需加以申明)。安(an)(an)全(quan)(quan)閥(fa)的(de)(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)與使用(yong)(yong)(yong)應(ying)符合(he)勞動(dong)人(ren)事部《壓(ya)(ya)力(li)容器(qi)安(an)(an)全(quan)(quan)技術檢查規定(ding)》b.在熱(re)(re)交(jiao)換(huan)器(qi)頂部裝(zhuang)(zhuang)設(she)接通大氣的(de)(de)(de)(de)引(yin)出管(guan)(有(you)條件的(de)(de)(de)(de)場合(he)).裝(zhuang)(zhuang)設(she)膨脹(zhang)水(shui)箱(xiang),與熱(re)(re)交(jiao)換(huan)器(qi)連(lian)接,以放出膨脹(zhang)部分(fen)(fen)的(de)(de)(de)(de)水(shui)。附(fu)注:若水(shui)中含有(you)硬度鹽類,在使用(yong)(yong)(yong)熱(re)(re)交(jiao)換(huan)器(qi)時,器(qi)壁及管(guan)壁會形成水(shui)垢,導致換(huan)熱(re)(re)效率(lv)降(jiang)低,能耗增(zeng)加,甚至(zhi)影(ying)響使用(yong)(yong)(yong)。故應(ying)采取(qu)一(yi)定(ding)的(de)(de)(de)(de)措(cuo)施(shi)。
管(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)(shell and tube heat exchanger)又稱(cheng)列(lie)管(guan)(guan)式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)。管(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)是(shi)以封閉在(zai)殼(ke)(ke)(ke)體(ti)(ti)中管(guan)(guan)束(shu)的(de)壁面作為傳(chuan)(chuan)熱(re)(re)(re)面的(de)間壁式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)。這種換(huan)(huan)熱(re)(re)(re)器(qi)(qi)結(jie)(jie)構(gou)較簡單,操作可靠,可用各種結(jie)(jie)構(gou)材(cai)料(主(zhu)要是(shi)金屬材(cai)料)制造,能(neng)在(zai)高溫、高壓下使用,是(shi)目(mu)前應用廣的(de)類型。管(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)是(shi)怎(zen)樣運行(xing)的(de)管(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)熱(re)(re)(re)器(qi)(qi)由殼(ke)(ke)(ke)體(ti)(ti)、傳(chuan)(chuan)熱(re)(re)(re)管(guan)(guan)束(shu)、管(guan)(guan)板(ban)、折流(liu)板(ban)(擋(dang)板(ban))和管(guan)(guan)箱等部件組成。殼(ke)(ke)(ke)體(ti)(ti)多為圓筒(tong)形(xing),內(nei)部裝(zhuang)(zhuang)有管(guan)(guan)束(shu),管(guan)(guan)束(shu)兩端固定在(zai)管(guan)(guan)板(ban)上。進行(xing)換(huan)(huan)熱(re)(re)(re)的(de)冷熱(re)(re)(re)兩種流(liu)體(ti)(ti),一種在(zai)管(guan)(guan)內(nei)流(liu)動(dong),稱(cheng)為管(guan)(guan)程(cheng)流(liu)體(ti)(ti);另(ling)一種在(zai)管(guan)(guan)外(wai)流(liu)動(dong),稱(cheng)為殼(ke)(ke)(ke)程(cheng)流(liu)體(ti)(ti)。為提高管(guan)(guan)外(wai)流(liu)體(ti)(ti)的(de)傳(chuan)(chuan)熱(re)(re)(re)分系(xi)數(shu),通(tong)常在(zai)殼(ke)(ke)(ke)體(ti)(ti)內(nei)安裝(zhuang)(zhuang)若干擋(dang)板(ban)。擋(dang)板(ban)可提高殼(ke)(ke)(ke)程(cheng)流(liu)體(ti)(ti)速度(du)(du),迫使流(liu)體(ti)(ti)按規(gui)定路程(cheng)多次橫(heng)向通(tong)過管(guan)(guan)束(shu),增強(qiang)流(liu)體(ti)(ti)湍(tuan)(tuan)流(liu)程(cheng)度(du)(du)。換(huan)(huan)熱(re)(re)(re)管(guan)(guan)在(zai)管(guan)(guan)板(ban)上可按等邊三(san)角形(xing)或正方形(xing)排(pai)(pai)列(lie)。等邊三(san)角形(xing)排(pai)(pai)列(lie)較緊湊(cou),管(guan)(guan)外(wai)流(liu)體(ti)(ti)湍(tuan)(tuan)動(dong)程(cheng)度(du)(du)高,傳(chuan)(chuan)熱(re)(re)(re)分系(xi)數(shu)大(da);正方形(xing)排(pai)(pai)列(lie)則管(guan)(guan)外(wai)清(qing)洗方便,適用于(yu)易結(jie)(jie)垢的(de)流(liu)體(ti)(ti)。
誤區一、只比較換熱(re)(re)面(mian)(mian)積(ji)好多用(yong)戶(hu)在詢價(jia)時,只向詢價(jia)單元提(ti)供換熱(re)(re)面(mian)(mian)積(ji),的(de)確不管(guan)哪品種型(xing)的(de)容(rong)積(ji)式換熱(re)(re)器,管(guan)殼式換熱(re)(re)器面(mian)(mian)積(ji)相同的(de)狀(zhuang)況下(xia),型(xing)號差(cha)(cha)(cha)別(bie)(bie)、結構構成差(cha)(cha)(cha)別(bie)(bie)、所用(yong)材質規格差(cha)(cha)(cha)別(bie)(bie)、流(liu)程(cheng)(cheng)組合(he)差(cha)(cha)(cha)別(bie)(bie),它們(men)的(de)價(jia)錢是不具有可(ke)比性的(de),并且在運用(yong)流(liu)程(cheng)(cheng)中所表示出(chu)來(lai)的(de)工(gong)作功能(neng)也會(hui)有很大差(cha)(cha)(cha)異。誤區二、拿(na)著某一個廠家的(de)選(xuan)型(xing)單詢價(jia)差(cha)(cha)(cha)別(bie)(bie)的(de)生產廠家,緣于本身的(de)加工(gong)才(cai)能(neng)、實(shi)際使用(yong)經(jing)歷 、引(yin)薦(jian)習氣等(deng)要(yao)素,往往對(dui)用(yong)戶(hu)的(de)某一運用(yong)要(yao)求(qiu)及工(gong)藝工(gong)況并不明白得十(shi)分透徹,計劃(hua)選(xuan)型(xing)會(hui)出(chu)現(xian)偏(pian)頗。
容(rong)(rong)積式換(huan)熱器利用(yong)(yong)(yong)增(zeng)(zeng)壓(ya)(ya)(ya)(ya)泵出口處止回(hui)閥(fa)(fa)(fa)和電(dian)磁(ci)閥(fa)(fa)(fa)前閥(fa)(fa)(fa),當用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)運(yun)行時(shi),即(ji)用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)增(zeng)(zeng)壓(ya)(ya)(ya)(ya)泵啟動時(shi),電(dian)磁(ci)閥(fa)(fa)(fa)前閥(fa)(fa)(fa)通(tong)電(dian),當用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)內(nei)壓(ya)(ya)(ya)(ya)力(li)超(chao)過(guo)定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(確保用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)不倒空)后,電(dian)磁(ci)閥(fa)(fa)(fa)前閥(fa)(fa)(fa)自動開啟,用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)回(hui)水經閥(fa)(fa)(fa)前閥(fa)(fa)(fa)定壓(ya)(ya)(ya)(ya)為用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)的定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li),并容(rong)(rong)積式換(huan)熱器減壓(ya)(ya)(ya)(ya)至和熱網回(hui)水管壓(ya)(ya)(ya)(ya)力(li)相(xiang)同;當用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)容(rong)(rong)積式換(huan)熱器增(zeng)(zeng)壓(ya)(ya)(ya)(ya)泵停止運(yun)行時(shi),電(dian)磁(ci)閥(fa)(fa)(fa)前閥(fa)(fa)(fa)斷電(dian)自動關閉,這樣用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)內(nei)的水就(jiu)被密閉起來,如果不漏水,可保證用(yong)(yong)(yong)容(rong)(rong)積式換(huan)熱器戶(hu)(hu)(hu)(hu)系(xi)(xi)統(tong)(tong)內(nei)壓(ya)(ya)(ya)(ya)力(li)在(zai)較長時(shi)間維(wei)持在(zai)定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)左(zuo)右。也就(jiu)是(shi)說,不論增(zeng)(zeng)壓(ya)(ya)(ya)(ya)冪運(yun)行還是(shi)不運(yun)行,用(yong)(yong)(yong)戶(hu)(hu)(hu)(hu)系(xi)(xi)締內(nei)的壓(ya)(ya)(ya)(ya)力(li)都町堆持在(zai)倧壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)范圍內(nei)。