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換(huan)熱(re)(re)(re)(re)器(qi)是一種比較常見的(de)(de)(de)工業設備,能夠將(jiang)熱(re)(re)(re)(re)流體設備的(de)(de)(de)一部分熱(re)(re)(re)(re)量傳(chuan)送(song)到溫(wen)(wen)度(du)相(xiang)(xiang)對較低的(de)(de)(de)設備中。根據不同(tong)標準分類(lei),可以(yi)將(jiang)換(huan)熱(re)(re)(re)(re)器(qi)分成(cheng)不同(tong)類(lei)別,不同(tong)類(lei)別的(de)(de)(de)換(huan)熱(re)(re)(re)(re)器(qi)之間是存在(zai)差異(yi)的(de)(de)(de),有各自的(de)(de)(de)優缺點,適用的(de)(de)(de)場合(he)也不盡相(xiang)(xiang)同(tong)。1、在(zai)運轉換(huan)熱(re)(re)(re)(re)設備前要先檢查全(quan)部接收能否曾經擰緊,定奪(duo)系統參數不會超越制造標簽上容(rong)許的(de)(de)(de)工作壓力(li)和溫(wen)(wen)度(du)值。2、在(zai)啟動泵(beng)(beng)之前,應(ying)該(gai)先把容(rong)積式(shi)換(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)(de)全(quan)部閥(fa)門和放氣閥(fa)都(dou)翻開(kai),封閉換(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)(de)進(jin)口(kou)(kou)閥(fa)。3、啟動泵(beng)(beng)后,慢慢翻開(kai)泵(beng)(beng)的(de)(de)(de)出(chu)口(kou)(kou)閥(fa),使壓力(li)慢慢上升,為防止單側超壓,進(jin)容(rong)積式(shi)換(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)(de)兩種介質的(de)(de)(de)進(jin)口(kou)(kou)閥(fa)應(ying)該(gai)同(tong)時翻開(kai),或先遲緩(huan)地注入(ru)低壓側介質,再遲緩(huan)注入(ru)高壓測介質。
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是(shi)(shi)里面的(de)(de)銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)買(mai)之前可以打開檢查(cha)一(yi)(yi)下,不容易被商家(jia)坑(keng)騙,而且用過幾年銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)壞了(le)還可以更(geng)換(huan)(huan)(huan)。筒式的(de)(de)體(ti)積小(xiao),交(jiao)(jiao)換(huan)(huan)(huan)效率(lv)高(gao)(gao)。但用戶不能查(cha)看里面銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)的(de)(de)長(chang)度(du),也(ye)不能更(geng)換(huan)(huan)(huan)銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan),而且還不太美觀。鋼制(zhi)(zhi)式鋼制(zhi)(zhi)式體(ti)積有(you)大有(you)小(xiao)。用戶也(ye)不能查(cha)看里面銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)的(de)(de)長(chang)度(du),而且不能更(geng)換(huan)(huan)(huan)銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)。但是(shi)(shi)比較美觀。板式板式,體(ti)積很小(xiao),重量很小(xiao)。熱(re)交(jiao)(jiao)換(huan)(huan)(huan)效率(lv)很高(gao)(gao)。里面無銅(tong)(tong)(tong)(tong)(tong)管(guan)(guan)。熱(re)交(jiao)(jiao)換(huan)(huan)(huan)能力跟層(ceng)數有(you)關。層(ceng)數看得(de)見,摸得(de)著。水垢(gou)(gou)以上(shang)各種(zhong)交(jiao)(jiao)換(huan)(huan)(huan)器在使(shi)用過程中(zhong)都會產生水垢(gou)(gou)。用了(le)幾年后(hou)會出(chu)現(xian)水流小(xiao),出(chu)水不是(shi)(shi)太熱(re)等情況。但在石家(jia)莊等地也(ye)出(chu)現(xian)了(le)專業除(chu)垢(gou)(gou)的(de)(de)公司(si)。通過專業除(chu)垢(gou)(gou)后(hou)也(ye)能跟新的(de)(de)一(yi)(yi)樣。
產(chan)品介紹一(yi)、本熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)適用(yong)于(yu)一(yi)般工業(ye)及民用(yong)建筑的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)供應系統(tong)。按加熱(re)(re)(re)(re)管(guan)型(xing)式,分(fen)為(wei)甲(jia)型(xing)(U型(xing)管(guan)式)乙型(xing)(盤管(guan)式)兩種,加熱(re)(re)(re)(re)管(guan)的(de)材料有碳素鋼和黃銅管(guan)兩種。二、立式容(rong)(rong)積式熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)的(de)表(biao)面(mian)設(she)置(zhi)保溫層。三(san)、熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)必(bi)(bi)須(xu)設(she)置(zhi)安(an)全(quan)(quan)裝(zhuang)置(zhi)一(yi)列三(san)種安(an)全(quan)(quan)裝(zhuang)置(zhi)可(ke)選其中(zhong)一(yi)種裝(zhuang)設(she)與熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)上。a.在(zai)(zai)(zai)熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)頂部(bu)(bu)安(an)裝(zhuang)設(she)安(an)全(quan)(quan)閥(fa)。安(an)全(quan)(quan)閥(fa)的(de)壓(ya)(ya)力(li)必(bi)(bi)須(xu)與熱(re)(re)(re)(re)交(jiao)換的(de)最高工作壓(ya)(ya)力(li)相(xiang)適應(在(zai)(zai)(zai)向安(an)全(quan)(quan)閥(fa)生產(chan)廠(chang)訂貨時(shi)需(xu)加以申明)。安(an)全(quan)(quan)閥(fa)的(de)安(an)裝(zhuang)與使(shi)用(yong)應符合(he)(he)勞動人事部(bu)(bu)《壓(ya)(ya)力(li)容(rong)(rong)器(qi)(qi)(qi)(qi)安(an)全(quan)(quan)技術檢查規定(ding)(ding)》b.在(zai)(zai)(zai)熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)頂部(bu)(bu)裝(zhuang)設(she)接通(tong)大氣的(de)引出(chu)管(guan)(有條件的(de)場合(he)(he)).裝(zhuang)設(she)膨(peng)脹(zhang)水(shui)(shui)(shui)箱,與熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)連(lian)接,以放出(chu)膨(peng)脹(zhang)部(bu)(bu)分(fen)的(de)水(shui)(shui)(shui)。附注:若(ruo)水(shui)(shui)(shui)中(zhong)含有硬度鹽(yan)類(lei),在(zai)(zai)(zai)使(shi)用(yong)熱(re)(re)(re)(re)交(jiao)換器(qi)(qi)(qi)(qi)時(shi),器(qi)(qi)(qi)(qi)壁(bi)及管(guan)壁(bi)會形成水(shui)(shui)(shui)垢,導致(zhi)換熱(re)(re)(re)(re)效率(lv)降(jiang)低,能耗增加,甚至影響(xiang)使(shi)用(yong)。故應采取一(yi)定(ding)(ding)的(de)措施。
管(guan)殼(ke)式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)(shell and tube heat exchanger)又稱列(lie)管(guan)式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)。管(guan)殼(ke)式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)是以封閉在(zai)(zai)(zai)殼(ke)體(ti)(ti)中管(guan)束(shu)的(de)(de)(de)壁面(mian)作為傳(chuan)熱(re)(re)(re)(re)(re)面(mian)的(de)(de)(de)間壁式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)。這種(zhong)換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)結(jie)構較簡(jian)單(dan),操作可靠(kao),可用各(ge)種(zhong)結(jie)構材料(主要是金(jin)屬材料)制造,能在(zai)(zai)(zai)高(gao)(gao)溫、高(gao)(gao)壓下使用,是目前應(ying)用廣的(de)(de)(de)類型。管(guan)殼(ke)式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)是怎樣運行(xing)的(de)(de)(de)管(guan)殼(ke)式換(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)由殼(ke)體(ti)(ti)、傳(chuan)熱(re)(re)(re)(re)(re)管(guan)束(shu)、管(guan)板(ban)(ban)、折流(liu)板(ban)(ban)(擋板(ban)(ban))和管(guan)箱等部(bu)件組成(cheng)。殼(ke)體(ti)(ti)多為圓筒形(xing),內部(bu)裝有管(guan)束(shu),管(guan)束(shu)兩(liang)端固定在(zai)(zai)(zai)管(guan)板(ban)(ban)上。進行(xing)換(huan)熱(re)(re)(re)(re)(re)的(de)(de)(de)冷熱(re)(re)(re)(re)(re)兩(liang)種(zhong)流(liu)體(ti)(ti),一種(zhong)在(zai)(zai)(zai)管(guan)內流(liu)動,稱為管(guan)程(cheng)(cheng)流(liu)體(ti)(ti);另一種(zhong)在(zai)(zai)(zai)管(guan)外流(liu)動,稱為殼(ke)程(cheng)(cheng)流(liu)體(ti)(ti)。為提(ti)(ti)高(gao)(gao)管(guan)外流(liu)體(ti)(ti)的(de)(de)(de)傳(chuan)熱(re)(re)(re)(re)(re)分系(xi)(xi)數,通(tong)常在(zai)(zai)(zai)殼(ke)體(ti)(ti)內安(an)裝若(ruo)干(gan)擋板(ban)(ban)。擋板(ban)(ban)可提(ti)(ti)高(gao)(gao)殼(ke)程(cheng)(cheng)流(liu)體(ti)(ti)速(su)度,迫使流(liu)體(ti)(ti)按規定路(lu)程(cheng)(cheng)多次橫(heng)向(xiang)通(tong)過管(guan)束(shu),增強流(liu)體(ti)(ti)湍(tuan)流(liu)程(cheng)(cheng)度。換(huan)熱(re)(re)(re)(re)(re)管(guan)在(zai)(zai)(zai)管(guan)板(ban)(ban)上可按等邊(bian)(bian)三(san)角形(xing)或(huo)正方(fang)形(xing)排(pai)(pai)列(lie)。等邊(bian)(bian)三(san)角形(xing)排(pai)(pai)列(lie)較緊湊,管(guan)外流(liu)體(ti)(ti)湍(tuan)動程(cheng)(cheng)度高(gao)(gao),傳(chuan)熱(re)(re)(re)(re)(re)分系(xi)(xi)數大(da);正方(fang)形(xing)排(pai)(pai)列(lie)則(ze)管(guan)外清洗(xi)方(fang)便,適用于(yu)易結(jie)垢的(de)(de)(de)流(liu)體(ti)(ti)。
誤區一、只比(bi)較換(huan)熱面積好(hao)多用(yong)戶(hu)在詢價(jia)(jia)時,只向詢價(jia)(jia)單(dan)元提供換(huan)熱面積,的(de)確不管哪品種型(xing)的(de)容積式換(huan)熱器,管殼式換(huan)熱器面積相(xiang)同的(de)狀況(kuang)下,型(xing)號差別、結(jie)構構成差別、所用(yong)材質規格(ge)差別、流(liu)(liu)程組合差別,它們的(de)價(jia)(jia)錢(qian)是不具有可比(bi)性的(de),并(bing)且在運(yun)用(yong)流(liu)(liu)程中(zhong)所表示出來的(de)工(gong)(gong)作功能也(ye)會有很大差異。誤區二、拿(na)著某一個廠家(jia)的(de)選型(xing)單(dan)詢價(jia)(jia)差別的(de)生產廠家(jia),緣于本身的(de)加工(gong)(gong)才(cai)能、實(shi)際使用(yong)經歷 、引薦習氣(qi)等要(yao)素,往往對用(yong)戶(hu)的(de)某一運(yun)用(yong)要(yao)求及工(gong)(gong)藝工(gong)(gong)況(kuang)并(bing)不明白(bai)得十分透(tou)徹,計劃選型(xing)會出現偏頗。
容積(ji)(ji)式換熱(re)(re)(re)器利用增壓(ya)(ya)(ya)(ya)(ya)(ya)泵出口處止(zhi)回(hui)閥(fa)(fa)(fa)和電(dian)(dian)磁閥(fa)(fa)(fa)前(qian)(qian)閥(fa)(fa)(fa),當(dang)用戶(hu)(hu)(hu)系(xi)統運(yun)行(xing)時,即用戶(hu)(hu)(hu)增壓(ya)(ya)(ya)(ya)(ya)(ya)泵啟動(dong)時,電(dian)(dian)磁閥(fa)(fa)(fa)前(qian)(qian)閥(fa)(fa)(fa)通電(dian)(dian),當(dang)用戶(hu)(hu)(hu)系(xi)統內(nei)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)超過定壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(確保用戶(hu)(hu)(hu)系(xi)統不(bu)(bu)倒空)后,電(dian)(dian)磁閥(fa)(fa)(fa)前(qian)(qian)閥(fa)(fa)(fa)自動(dong)開啟,用戶(hu)(hu)(hu)回(hui)水(shui)經閥(fa)(fa)(fa)前(qian)(qian)閥(fa)(fa)(fa)定壓(ya)(ya)(ya)(ya)(ya)(ya)為用戶(hu)(hu)(hu)系(xi)統的定壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li),并容積(ji)(ji)式換熱(re)(re)(re)器減壓(ya)(ya)(ya)(ya)(ya)(ya)至(zhi)和熱(re)(re)(re)網(wang)回(hui)水(shui)管壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)相(xiang)同;當(dang)用戶(hu)(hu)(hu)容積(ji)(ji)式換熱(re)(re)(re)器增壓(ya)(ya)(ya)(ya)(ya)(ya)泵停止(zhi)運(yun)行(xing)時,電(dian)(dian)磁閥(fa)(fa)(fa)前(qian)(qian)閥(fa)(fa)(fa)斷電(dian)(dian)自動(dong)關閉,這樣用戶(hu)(hu)(hu)系(xi)統內(nei)的水(shui)就被密閉起來,如(ru)果(guo)不(bu)(bu)漏水(shui),可保證用容積(ji)(ji)式換熱(re)(re)(re)器戶(hu)(hu)(hu)系(xi)統內(nei)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)在(zai)較長時間維持(chi)在(zai)定壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)左右。也(ye)就是(shi)(shi)說,不(bu)(bu)論增壓(ya)(ya)(ya)(ya)(ya)(ya)冪(mi)運(yun)行(xing)還是(shi)(shi)不(bu)(bu)運(yun)行(xing),用戶(hu)(hu)(hu)系(xi)締內(nei)的壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)都(dou)町(ding)堆持(chi)在(zai)倧壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)范圍內(nei)。