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什么是容積式換熱器設備,可能很多人沒有聽說過,重慶熱交換器它是用來干什么的就不得而知了,下面就帶大家來了解一下容積式換熱器有哪些用途,一般適用在哪些場所?1.鍋爐房熱水制備在一般性用途中,賓館、酒店的鍋爐房產生蒸汽、高溫熱水后進入容積式換熱器,進而產生洗浴或洗手、洗菜用的熱水,輸送到用水房間進行熱水使用。2.太陽能熱水換熱 在國內越來越多的太陽能熱水工程中,太陽能集熱器利用太陽能產生高溫水溶液,高溫水溶液再進入容積式換熱器,高溫水溶液將低溫冷水加熱到50-60攝氏度的熱水,此用途的項目越來越普遍。3.熱力熱源廠熱水供應 此類多是熱源廠供熱蒸汽或高溫熱水的工況,熱交換器價格通過熱(re)(re)(re)(re)力管道輸送(song)到(dao)賓(bin)館、酒店、學校(xiao)等公共建筑,汽水(shui)換熱(re)(re)(re)(re)或水(shui)水(shui)換熱(re)(re)(re)(re)后(hou)把冷(leng)水(shui)加熱(re)(re)(re)(re)成適于洗(xi)浴(yu)的熱(re)(re)(re)(re)水(shui),保障了居民的熱(re)(re)(re)(re)水(shui)使用(yong)。從目前(qian)國內容(rong)積式換熱(re)(re)(re)(re)器用(yong)途中,洗(xi)浴(yu)稱為該設備非(fei)常重要的、主(zhu)要的用(yong)途。
容(rong)(rong)積(ji)式換(huan)熱(re)(re)器利用(yong)(yong)(yong)增(zeng)(zeng)壓(ya)(ya)泵(beng)出口處止(zhi)回閥(fa)和電(dian)磁閥(fa)前(qian)閥(fa),當用(yong)(yong)(yong)戶系(xi)統(tong)(tong)運行時(shi),即用(yong)(yong)(yong)戶增(zeng)(zeng)壓(ya)(ya)泵(beng)啟動(dong)(dong)時(shi),電(dian)磁閥(fa)前(qian)閥(fa)通電(dian),當用(yong)(yong)(yong)戶系(xi)統(tong)(tong)內(nei)壓(ya)(ya)力(li)超過定(ding)(ding)壓(ya)(ya)壓(ya)(ya)力(li)(確(que)保用(yong)(yong)(yong)戶系(xi)統(tong)(tong)不(bu)(bu)倒空)后,電(dian)磁閥(fa)前(qian)閥(fa)自(zi)動(dong)(dong)開啟,用(yong)(yong)(yong)戶回水經(jing)閥(fa)前(qian)閥(fa)定(ding)(ding)壓(ya)(ya)為用(yong)(yong)(yong)戶系(xi)統(tong)(tong)的(de)定(ding)(ding)壓(ya)(ya)壓(ya)(ya)力(li),并容(rong)(rong)積(ji)式換(huan)熱(re)(re)器減壓(ya)(ya)至和熱(re)(re)網回水管壓(ya)(ya)力(li)相同;當用(yong)(yong)(yong)戶容(rong)(rong)積(ji)式換(huan)熱(re)(re)器增(zeng)(zeng)壓(ya)(ya)泵(beng)停止(zhi)運行時(shi),電(dian)磁閥(fa)前(qian)閥(fa)斷(duan)電(dian)自(zi)動(dong)(dong)關閉,這樣用(yong)(yong)(yong)戶系(xi)統(tong)(tong)內(nei)的(de)水就(jiu)被密閉起來,如果不(bu)(bu)漏(lou)水,可保證用(yong)(yong)(yong)容(rong)(rong)積(ji)式換(huan)熱(re)(re)器戶系(xi)統(tong)(tong)內(nei)壓(ya)(ya)力(li)在較(jiao)長時(shi)間維持(chi)在定(ding)(ding)壓(ya)(ya)壓(ya)(ya)力(li)左(zuo)右。也就(jiu)是說,不(bu)(bu)論增(zeng)(zeng)壓(ya)(ya)冪運行還是不(bu)(bu)運行,用(yong)(yong)(yong)戶系(xi)締內(nei)的(de)壓(ya)(ya)力(li)都町堆持(chi)在倧壓(ya)(ya)壓(ya)(ya)力(li)范圍內(nei)。
管殼式換(huan)(huan)熱(re)器(qi)(qi)是石(shi)油(you)化(hua)工(gong)行(xing)業(ye)(ye)的(de)重要(yao)(yao)設(she)(she)(she)備,它的(de)腐(fu)蝕(shi)及保護對設(she)(she)(she)備的(de)長(chang)周(zhou)期運(yun)行(xing)有(you)著(zhu)重要(yao)(yao)的(de)意義;由于近年來加工(gong)原油(you)中的(de)硫、酸及雜質含(han)量越來越高(gao)(gao),對煉油(you)換(huan)(huan)熱(re)設(she)(she)(she)備的(de)防腐(fu)蝕(shi)性能(neng)及材料(liao)(liao)的(de)選擇(ze)提出了更高(gao)(gao)的(de)要(yao)(yao)求(qiu)。文章(zhang)對采用(yong)專用(yong)涂(tu)(tu)料(liao)(liao)與(yu)犧(xi)牲陽(yang)極(ji)綜合保護法進(jin)行(xing)了闡述,該方(fang)法工(gong)藝(yi)(yi)方(fang)案和特(te)點是:管殼式換(huan)(huan)熱(re)器(qi)(qi)的(de)工(gong)藝(yi)(yi)方(fang)案和特(te)點是什么表面處(chu)理要(yao)(yao)徹底,合理選取保護電(dian)流密(mi)度(du),按設(she)(she)(she)計要(yao)(yao)求(qiu)確(que)定陽(yang)極(ji)塊(kuai),控制好濕度(du)和溫度(du),涂(tu)(tu)料(liao)(liao)施工(gong)嚴(yan)格按照SHY-99涂(tu)(tu)料(liao)(liao)工(gong)藝(yi)(yi)進(jin)行(xing),確(que)保綜合防護的(de)效果(guo)。目前國內(nei)石(shi)油(you)、化(hua)纖、冶金(jin)、發電(dian)等企業(ye)(ye)的(de)冷換(huan)(huan)器(qi)(qi)設(she)(she)(she)備經常由于水垢、腐(fu)蝕(shi)產物和腐(fu)蝕(shi)物黏泥(ni)造成冷換(huan)(huan)器(qi)(qi)堵塞(sai),致傳熱(re)系數(shu)下降(jiang),是冷卻水系統中常見的(de)問題(ti)。由于碳(tan)酸鹽垢的(de)導熱(re)系數(shu)只有(you)碳(tan)鋼的(de)1%左右(you),直(zhi)接影響(xiang)到了換(huan)(huan)熱(re)效率,增加了系統的(de)壓(ya)力(li)降(jiang)。
管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)(shell and tube heat exchanger)又稱(cheng)列(lie)(lie)管(guan)(guan)式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)。管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)是以封閉在殼(ke)(ke)(ke)體(ti)中管(guan)(guan)束的(de)(de)壁面作(zuo)(zuo)為(wei)傳(chuan)熱(re)(re)(re)面的(de)(de)間壁式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)。這種(zhong)換(huan)熱(re)(re)(re)器(qi)結(jie)構較簡單,操(cao)作(zuo)(zuo)可(ke)靠,可(ke)用各種(zhong)結(jie)構材(cai)料(主要是金屬(shu)材(cai)料)制造,能在高(gao)溫、高(gao)壓(ya)下使用,是目(mu)前應(ying)用廣的(de)(de)類型。管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)是怎樣運行的(de)(de)管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)(re)(re)器(qi)由殼(ke)(ke)(ke)體(ti)、傳(chuan)熱(re)(re)(re)管(guan)(guan)束、管(guan)(guan)板、折流(liu)板(擋(dang)板)和管(guan)(guan)箱等部件組成。殼(ke)(ke)(ke)體(ti)多為(wei)圓筒(tong)形(xing),內部裝有管(guan)(guan)束,管(guan)(guan)束兩端固定(ding)(ding)在管(guan)(guan)板上(shang)(shang)。進行換(huan)熱(re)(re)(re)的(de)(de)冷(leng)熱(re)(re)(re)兩種(zhong)流(liu)體(ti),一種(zhong)在管(guan)(guan)內流(liu)動,稱(cheng)為(wei)管(guan)(guan)程流(liu)體(ti);另一種(zhong)在管(guan)(guan)外流(liu)動,稱(cheng)為(wei)殼(ke)(ke)(ke)程流(liu)體(ti)。為(wei)提高(gao)管(guan)(guan)外流(liu)體(ti)的(de)(de)傳(chuan)熱(re)(re)(re)分系數,通常在殼(ke)(ke)(ke)體(ti)內安裝若干(gan)擋(dang)板。擋(dang)板可(ke)提高(gao)殼(ke)(ke)(ke)程流(liu)體(ti)速度(du),迫(po)使流(liu)體(ti)按規定(ding)(ding)路程多次橫向(xiang)通過管(guan)(guan)束,增強流(liu)體(ti)湍流(liu)程度(du)。換(huan)熱(re)(re)(re)管(guan)(guan)在管(guan)(guan)板上(shang)(shang)可(ke)按等邊三角(jiao)形(xing)或正方(fang)形(xing)排(pai)列(lie)(lie)。等邊三角(jiao)形(xing)排(pai)列(lie)(lie)較緊湊,管(guan)(guan)外流(liu)體(ti)湍動程度(du)高(gao),傳(chuan)熱(re)(re)(re)分系數大;正方(fang)形(xing)排(pai)列(lie)(lie)則管(guan)(guan)外清洗方(fang)便,適用于(yu)易結(jie)垢的(de)(de)流(liu)體(ti)。
波紋管即臥(wo)(wo)(wo)(wo)式(shi)容積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器分(fen)為(wei)S型(xing)(xing)(xing)(xing)(xing)與H型(xing)(xing)(xing)(xing)(xing)。S型(xing)(xing)(xing)(xing)(xing)臥(wo)(wo)(wo)(wo)罐提(ti)供汽(qi)(qi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)用(yong),H型(xing)(xing)(xing)(xing)(xing)臥(wo)(wo)(wo)(wo)罐提(ti)供水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)用(yong)。臥(wo)(wo)(wo)(wo)式(shi)容積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器性(xing)能(neng)(neng)特點:1.換(huan)(huan)熱(re)(re)(re)(re)(re)(re)量(liang)大。H型(xing)(xing)(xing)(xing)(xing)“新臥(wo)(wo)(wo)(wo)罐、水(shui)(shui)(shui)(shui)一(yi)(yi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)時(shi)(shi),換(huan)(huan)熱(re)(re)(re)(re)(re)(re)量(liang)為(wei)同型(xing)(xing)(xing)(xing)(xing)“標準(zhun)臥(wo)(wo)(wo)(wo)罐”的(de)(de)2倍(bei)(bei)以上,S型(xing)(xing)(xing)(xing)(xing)“新臥(wo)(wo)(wo)(wo)罐”汽(qi)(qi)一(yi)(yi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)時(shi)(shi),換(huan)(huan)熱(re)(re)(re)(re)(re)(re)量(liang)為(wei)同型(xing)(xing)(xing)(xing)(xing)“標準(zhun)臥(wo)(wo)(wo)(wo)罐”的(de)(de)1.2倍(bei)(bei)。2.熱(re)(re)(re)(re)(re)(re)媒溫(wen)(wen)降大。汽(qi)(qi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)時(shi)(shi),凝(ning)結(jie)水(shui)(shui)(shui)(shui)出水(shui)(shui)(shui)(shui)溫(wen)(wen)度約(yue)50℃,回水(shui)(shui)(shui)(shui)管上不(bu)需(xu)設(she)疏水(shui)(shui)(shui)(shui)器,給使用(yong)維(wei)修帶(dai)來方(fang)便,水(shui)(shui)(shui)(shui)一(yi)(yi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)時(shi)(shi),熱(re)(re)(re)(re)(re)(re)媒溫(wen)(wen)降為(wei)同型(xing)(xing)(xing)(xing)(xing)“標準(zhun)臥(wo)(wo)(wo)(wo)罐”的(de)(de)2?2.5倍(bei)(bei),120?150℃的(de)(de)高(gao)溫(wen)(wen)熱(re)(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)后可降70?75℃。3.H型(xing)(xing)(xing)(xing)(xing)“新臥(wo)(wo)(wo)(wo)罐”適用(yong)于(yu)水(shui)(shui)(shui)(shui)一(yi)(yi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re),亦可用(yong)于(yu)汽(qi)(qi)一(yi)(yi)水(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)。4.換(huan)(huan)熱(re)(re)(re)(re)(re)(re)效(xiao)果(guo)好,散(san)熱(re)(re)(re)(re)(re)(re)損(sun)失(shi)少,節能(neng)(neng)。同時(shi)(shi),以蒸汽(qi)(qi)為(wei)熱(re)(re)(re)(re)(re)(re)媒時(shi)(shi),能(neng)(neng)回收約(yue)占(zhan)整個換(huan)(huan)熱(re)(re)(re)(re)(re)(re)量(liang)的(de)(de)15%的(de)(de)凝(ning)結(jie)水(shui)(shui)(shui)(shui)熱(re)(re)(re)(re)(re)(re)量(liang)。
誤(wu)區(qu)一、只比較換熱面積好多(duo)用(yong)(yong)(yong)戶在詢價(jia)(jia)時,只向(xiang)詢價(jia)(jia)單元(yuan)提供(gong)換熱面積,的(de)(de)(de)確不管哪品(pin)種型的(de)(de)(de)容積式換熱器,管殼式換熱器面積相同的(de)(de)(de)狀(zhuang)況(kuang)下,型號差(cha)(cha)別(bie)(bie)(bie)、結構(gou)構(gou)成差(cha)(cha)別(bie)(bie)(bie)、所(suo)用(yong)(yong)(yong)材質規格差(cha)(cha)別(bie)(bie)(bie)、流程(cheng)組(zu)合差(cha)(cha)別(bie)(bie)(bie),它(ta)們的(de)(de)(de)價(jia)(jia)錢(qian)是(shi)不具有(you)可比性的(de)(de)(de),并且在運(yun)用(yong)(yong)(yong)流程(cheng)中(zhong)所(suo)表(biao)示出(chu)來的(de)(de)(de)工(gong)作功(gong)能(neng)也會有(you)很大差(cha)(cha)異。誤(wu)區(qu)二、拿(na)著某一個廠(chang)家的(de)(de)(de)選型單詢價(jia)(jia)差(cha)(cha)別(bie)(bie)(bie)的(de)(de)(de)生產廠(chang)家,緣于本身(shen)的(de)(de)(de)加工(gong)才能(neng)、實際使用(yong)(yong)(yong)經歷 、引薦習氣等要(yao)素,往往對用(yong)(yong)(yong)戶的(de)(de)(de)某一運(yun)用(yong)(yong)(yong)要(yao)求(qiu)及工(gong)藝工(gong)況(kuang)并不明白得十分透徹(che),計劃選型會出(chu)現偏頗(po)。