封(feng)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)和(he)(he)管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)同屬于水換(huan)(huan)熱(re)(re)(re)(re)冷卻(que)裝置，有(you)著本質的(de)(de)區別(bie)。閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)除了熱(re)(re)(re)(re)交換(huan)(huan)的(de)(de)過程(cheng)，可以直接蒸發(fa)吸(xi)熱(re)(re)(re)(re)，將熱(re)(re)(re)(re)量排(pai)走，而管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)只(zhi)能換(huan)(huan)熱(re)(re)(re)(re)，使(shi)用(yong)(yong)過程(cheng)中還需要(yao)另(ling)外(wai)的(de)(de)設備進行排(pai)熱(re)(re)(re)(re)。今天小衛給大(da)家詳細介紹一下管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)和(he)(he)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)有(you)著哪(na)些不同之處，在(zai)現實使(shi)用(yong)(yong)過程(cheng)中閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)替(ti)代管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)已成趨(qu)一、封(feng)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)概(gai)念(nian)及結構(gou)管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)（shell and tube heat exchanger）又稱列管(guan)(guan)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)。是(shi)以封(feng)閉(bi)在(zai)殼(ke)體中管(guan)(guan)束的(de)(de)壁(bi)面作為傳(chuan)(chuan)熱(re)(re)(re)(re)面的(de)(de)間壁(bi)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)。這種換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)結構(gou)較(jiao)簡單，操(cao)作 ，可用(yong)(yong)各(ge)種結構(gou)材料(liao)（主要(yao)是(shi)金屬材料(liao)）制造，能在(zai)高管(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)由殼(ke)體、傳(chuan)(chuan)熱(re)(re)(re)(re)管(guan)(guan)束、管(guan)(guan)板、折(zhe)流板（擋(dang)板）和(he)(he)管(guan)(guan)箱(xiang)等部(bu)件組成。殼(ke)體多為圓筒形，內(nei)部(bu)裝有(you)管(guan)(guan)束，管(guan)(guan)束兩端固定(ding)在(zai)管(guan)(guan)板上。

管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱器(qi)(qi)(qi)(shell and tube heat exchanger)又稱列(lie)管(guan)(guan)(guan)式(shi)換(huan)(huan)熱器(qi)(qi)(qi)。管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱器(qi)(qi)(qi)是(shi)(shi)以封閉在(zai)(zai)殼(ke)(ke)(ke)體(ti)中管(guan)(guan)(guan)束(shu)的(de)壁面(mian)作(zuo)為傳(chuan)熱面(mian)的(de)間壁式(shi)換(huan)(huan)熱器(qi)(qi)(qi)。這種(zhong)換(huan)(huan)熱器(qi)(qi)(qi)結構較簡單，操作(zuo)可靠，可用各種(zhong)結構材料（主要(yao)是(shi)(shi)金屬材料）制(zhi)造，能(neng)在(zai)(zai)高(gao)(gao)溫(wen)、高(gao)(gao)壓下使用，是(shi)(shi)目前應用廣的(de)類型。管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱器(qi)(qi)(qi)是(shi)(shi)怎樣運行的(de)管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱器(qi)(qi)(qi)由(you)殼(ke)(ke)(ke)體(ti)、傳(chuan)熱管(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)板(ban)(ban)(ban)、折(zhe)流(liu)板(ban)(ban)(ban)（擋(dang)板(ban)(ban)(ban)）和管(guan)(guan)(guan)箱(xiang)等部件組成。殼(ke)(ke)(ke)體(ti)多為圓筒形(xing)，內(nei)部裝有管(guan)(guan)(guan)束(shu)，管(guan)(guan)(guan)束(shu)兩端固(gu)定在(zai)(zai)管(guan)(guan)(guan)板(ban)(ban)(ban)上(shang)。進行換(huan)(huan)熱的(de)冷熱兩種(zhong)流(liu)體(ti)，一(yi)種(zhong)在(zai)(zai)管(guan)(guan)(guan)內(nei)流(liu)動，稱為管(guan)(guan)(guan)程(cheng)(cheng)(cheng)流(liu)體(ti)；另一(yi)種(zhong)在(zai)(zai)管(guan)(guan)(guan)外流(liu)動，稱為殼(ke)(ke)(ke)程(cheng)(cheng)(cheng)流(liu)體(ti)。為提(ti)高(gao)(gao)管(guan)(guan)(guan)外流(liu)體(ti)的(de)傳(chuan)熱分(fen)系(xi)數，通常在(zai)(zai)殼(ke)(ke)(ke)體(ti)內(nei)安裝若干擋(dang)板(ban)(ban)(ban)。擋(dang)板(ban)(ban)(ban)可提(ti)高(gao)(gao)殼(ke)(ke)(ke)程(cheng)(cheng)(cheng)流(liu)體(ti)速度，迫使流(liu)體(ti)按(an)規定路程(cheng)(cheng)(cheng)多次橫向通過管(guan)(guan)(guan)束(shu)，增強(qiang)流(liu)體(ti)湍流(liu)程(cheng)(cheng)(cheng)度。換(huan)(huan)熱管(guan)(guan)(guan)在(zai)(zai)管(guan)(guan)(guan)板(ban)(ban)(ban)上(shang)可按(an)等邊三角(jiao)形(xing)或正方形(xing)排(pai)(pai)列(lie)。等邊三角(jiao)形(xing)排(pai)(pai)列(lie)較緊湊，管(guan)(guan)(guan)外流(liu)體(ti)湍動程(cheng)(cheng)(cheng)度高(gao)(gao)，傳(chuan)熱分(fen)系(xi)數大；正方形(xing)排(pai)(pai)列(lie)則(ze)管(guan)(guan)(guan)外清洗方便，適用于易結垢的(de)流(liu)體(ti)。

在(zai)石(shi)(shi)(shi)(shi)油(you)化工(gong)(gong)(gong)行(xing)業(ye)中，少不了換(huan)(huan)(huan)熱(re)器(qi)的(de)(de)(de)應(ying)用，隨著換(huan)(huan)(huan)熱(re)器(qi)穩定性和工(gong)(gong)(gong)作效率的(de)(de)(de)提(ti)高(gao)(gao)(gao)，如今已成為(wei)非常(chang)常(chang)見的(de)(de)(de)換(huan)(huan)(huan)熱(re)設施在(zai)石(shi)(shi)(shi)(shi)油(you)行(xing)業(ye)設備(bei)(bei)投資(zi)(zi)上它所占的(de)(de)(de)比例(li)能(neng)夠(gou)達(da)到三分(fen)之(zhi)一以上。目前在(zai)石(shi)(shi)(shi)(shi)油(you)化工(gong)(gong)(gong)行(xing)業(ye)關注(zhu)的(de)(de)(de)問題就(jiu)是如何使提(ti)高(gao)(gao)(gao)換(huan)(huan)(huan)熱(re)器(qi)的(de)(de)(de)傳熱(re)效率，降低(di)換(huan)(huan)(huan)熱(re)設施的(de)(de)(de)投資(zi)(zi)，最終實現石(shi)(shi)(shi)(shi)油(you)化工(gong)(gong)(gong)行(xing)業(ye)經濟效益和社會效益的(de)(de)(de)大(da)化高(gao)(gao)(gao)效板(ban)式(shi)(shi)換(huan)(huan)(huan)熱(re)器(qi)的(de)(de)(de)優(you)勢在(zai)石(shi)(shi)(shi)(shi)油(you)化工(gong)(gong)(gong)行(xing)業(ye)中，換(huan)(huan)(huan)熱(re)器(qi)的(de)(de)(de)種類(lei)也是非常(chang)之(zhi)多的(de)(de)(de)，他們分(fen)別對于壓(ya)(ya)力和溫度有(you)著超高(gao)(gao)(gao)的(de)(de)(de)要求。高(gao)(gao)(gao)效板(ban)式(shi)(shi)換(huan)(huan)(huan)熱(re)器(qi)：能(neng)夠(gou)更好地(di)應(ying)對較高(gao)(gao)(gao)的(de)(de)(de)壓(ya)(ya)力以及較高(gao)(gao)(gao)的(de)(de)(de)溫度，具體(ti)(ti)來說，焊接式(shi)(shi)板(ban)式(shi)(shi)換(huan)(huan)(huan)熱(re)器(qi)具備(bei)(bei)較強(qiang)的(de)(de)(de)便(bian)捷性、體(ti)(ti)積小(xiao)、重(zhong)量(liang)輕、存在(zai)著良(liang)好的(de)(de)(de)傳熱(re)性能(neng)、價格低(di)廉(lian)。因此(ci)，在(zai)石(shi)(shi)(shi)(shi)油(you)的(de)(de)(de)生產過程中得到了更好的(de)(de)(de)應(ying)用。

內置多組浮動盤管，獨一無二的”寶塔型”結構,動態傳熱，換熱效率極高，相同容積的該產品的換熱量分別相當于傳統容積式換熱器的6～9倍。 板式換熱器哪家好其中半容積式的”寶塔型”結構特點，使得貯水部分貯有15～30分鐘的熱水量，被加熱的水頭損失≤0.25米，因此它在設置一般自動溫控閥的條件下，仍保持供水水壓、水溫平穩、安全、節水、用水舒適之特點。浮動盤管式換熱器采用什么中置型浮動盤管型容積式換熱器可以提高容積利用率。浮動盤管型換熱器的換熱盤管距容器底可以近到100mm左右。其冷水區就很小，寧波最好板式換熱器有效貯熱容積(ji)可達99%左(zuo)右，大(da)大(da)提高(gao)了換(huan)(huan)熱器的容積(ji)利用(yong)(yong)率。本產品在用(yong)(yong)水(shui)(shui)量極小或不可用(yong)(yong)水(shui)(shui)時(shi)可借(jie)助(zhu)熱水(shui)(shui)管網上循環泵(beng)的工作(zuo)，維持(chi)罐內水(shui)(shui)溫，使換(huan)(huan)熱部(bu)分(fen)換(huan)(huan)熱時(shi)總(zong)處于被加(jia)熱水(shui)(shui)流動狀態，使換(huan)(huan)熱充分(fen)、節能。無論使用(yong)(yong)頻繁與否(fou)，均保量恒溫供(gong)水(shui)(shui)。