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管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)是(shi)(shi)(shi)把換(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)束與管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)連(lian)接后(hou),再(zai)用(yong)筒(tong)體與管(guan)(guan)(guan)(guan)(guan)(guan)箱包起來,形成(cheng)兩個獨立的(de)(de)空間。管(guan)(guan)(guan)(guan)(guan)(guan)內的(de)(de)通道及與其相(xiang)貫通的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)箱稱為管(guan)(guan)(guan)(guan)(guan)(guan)程(cheng)(cheng)(cheng);管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)的(de)(de)通道及與其相(xiang)貫通的(de)(de)部分(fen)稱為殼(ke)程(cheng)(cheng)(cheng)。一(yi)種流(liu)體在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)內流(liu)動(dong),而另(ling)一(yi)種流(liu)體在(zai)(zai)殼(ke)與管(guan)(guan)(guan)(guan)(guan)(guan)束之間從管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)表面流(liu)過,為了保證殼(ke)程(cheng)(cheng)(cheng)流(liu)體能夠橫向流(liu)過管(guan)(guan)(guan)(guan)(guan)(guan)束,以形成(cheng)較高(gao)的(de)(de)傳熱(re)(re)(re)(re)速(su)率,在(zai)(zai)外(wai)殼(ke)上裝有(you)許(xu)多擋板(ban)。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)管(guan)(guan)(guan)(guan)(guan)(guan)束腐蝕和磨蝕失效(xiao)(xiao)的(de)(de)主要原因(yin)管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)在(zai)(zai)使用(yong)的(de)(de)過程(cheng)(cheng)(cheng)中可能會發生失效(xiao)(xiao)的(de)(de)情況,常見的(de)(de)失效(xiao)(xiao)是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)束失效(xiao)(xiao)的(de)(de)情況管(guan)(guan)(guan)(guan)(guan)(guan)束腐蝕和磨蝕失效(xiao)(xiao)、傳熱(re)(re)(re)(re)能力下降、管(guan)(guan)(guan)(guan)(guan)(guan)束泄漏(lou).以下是(shi)(shi)(shi)關于管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)官術失效(xiao)(xiao)的(de)(de)具體介紹。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)出現管(guan)(guan)(guan)(guan)(guan)(guan)束失效(xiao)(xiao)的(de)(de)情況有(you)哪些?管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)的(de)(de)失效(xiao)(xiao)大多數是(shi)(shi)(shi)由腐蝕引起的(de)(de)。最常見的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)腐蝕部位是(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan),然后(hou)依(yi)次是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、換(huan)(huan)熱(re)(re)(re)(re)器(qi)封(feng)頭 及小直(zhi)徑的(de)(de)接管(guan)(guan)(guan)(guan)(guan)(guan)。
封閉式冷卻塔和管殼式換熱器同屬于水換熱冷卻裝置,有著本質的區別。閉式冷卻塔除了熱交換的過程,可以直接蒸發吸熱,容積式換熱器將熱量排走,而管殼式換熱器只能換熱,使用過程中還需要另外的設備進行排熱。容積式換熱器廠家今(jin)天小衛給大家詳細(xi)介紹一下管(guan)殼(ke)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)和閉式(shi)(shi)冷(leng)卻(que)(que)塔(ta)(ta)有(you)(you)著哪(na)些不(bu)同之(zhi)處,在現實使(shi)用過程中閉式(shi)(shi)冷(leng)卻(que)(que)塔(ta)(ta)替代(dai)管(guan)殼(ke)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)已成趨一、封(feng)閉式(shi)(shi)冷(leng)卻(que)(que)塔(ta)(ta)管(guan)殼(ke)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)概念(nian)及結(jie)構管(guan)殼(ke)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)(shell and tube heat exchanger)又稱列管(guan)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)。是(shi)以封(feng)閉在殼(ke)體中管(guan)束的(de)壁面作(zuo)為傳(chuan)熱(re)(re)(re)(re)面的(de)間壁式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)。這種(zhong)換熱(re)(re)(re)(re)器(qi)(qi)結(jie)構較簡(jian)單,操(cao)作(zuo) ,可用各種(zhong)結(jie)構材料(主要是(shi)金屬材料)制造,能(neng)在高管(guan)殼(ke)式(shi)(shi)換熱(re)(re)(re)(re)器(qi)(qi)由殼(ke)體、傳(chuan)熱(re)(re)(re)(re)管(guan)束、管(guan)板(ban)、折(zhe)流板(ban)(擋板(ban))和管(guan)箱等部件(jian)組成。殼(ke)體多為圓(yuan)筒形,內部裝有(you)(you)管(guan)束,管(guan)束兩端固定在管(guan)板(ban)上。
容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi):容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)利用(yong)(yong)(yong)(yong)(yong)冷、熱(re)(re)(re)(re)流(liu)體(ti)交替(ti)流(liu)經蓄熱(re)(re)(re)(re)室中的(de)(de)蓄熱(re)(re)(re)(re)體(ti)(填料(liao))表(biao)面,從而進行(xing)熱(re)(re)(re)(re)量(liang)交換(huan)(huan)(huan)(huan)(huan)(huan)的(de)(de)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)。間(jian)壁容(rong)積式(shi)(shi)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)冷、熱(re)(re)(re)(re)流(liu)體(ti)被(bei)固體(ti)間(jian)壁隔開,并通過間(jian)壁進行(xing)熱(re)(re)(re)(re)量(liang)交換(huan)(huan)(huan)(huan)(huan)(huan)的(de)(de)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi),因此(ci)又稱表(biao)面式(shi)(shi)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)。容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)優點:積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)6優點1)容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)兼具(ju)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)、貯(zhu)熱(re)(re)(re)(re)功能。有(you)較大(da)的(de)(de)貯(zhu)熱(re)(re)(re)(re)量(liang),可(ke)(ke)以提前加(jia)(jia)熱(re)(re)(re)(re),將熱(re)(re)(re)(re)水(shui)貯(zhu)存在換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)內, 熱(re)(re)(re)(re)媒的(de)(de)小(xiao)時(shi)耗熱(re)(re)(re)(re)量(liang)可(ke)(ke)隨加(jia)(jia)熱(re)(re)(re)(re)時(shi)間(jian)的(de)(de)加(jia)(jia)長而減小(xiao)其峰值(zhi)。2)容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)適(shi)用(yong)(yong)(yong)(yong)(yong)于熱(re)(re)(re)(re)水(shui)用(yong)(yong)(yong)(yong)(yong)量(liang)大(da),且用(yong)(yong)(yong)(yong)(yong)水(shui)不(bu)均勻的(de)(de)建(jian)筑物,如酒店的(de)(de)生活用(yong)(yong)(yong)(yong)(yong)水(shui)。3)被(bei)加(jia)(jia)熱(re)(re)(re)(re)水(shui)通過罐體(ti)阻力損(sun)失(shi)小(xiao)。4)結構簡單、管(guan)理方便(bian),可(ke)(ke)承受水(shui)壓(ya),噪低。積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)6優點5)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)面積大(da),換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)量(liang)高。6)供(gong)水(shui)水(shui)壓(ya)、水(shui)溫穩定(ding)、安全、節水(shui)、用(yong)(yong)(yong)(yong)(yong)水(shui)舒適(shi)。使用(yong)(yong)(yong)(yong)(yong)壽命長。容(rong)積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)缺(que)點:積式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)6優點1)外形體(ti)積較大(da)、換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)效率相(xiang)對較低。2)殼(ke)(ke)程(cheng)與(yu)(yu)殼(ke)(ke)程(cheng)清洗不(bu)方便(bian),維修困(kun)難。3)漸熱(re)(re)(re)(re)速度慢,不(bu)適(shi)用(yong)(yong)(yong)(yong)(yong)與(yu)(yu)間(jian)歇工作的(de)(de)用(yong)(yong)(yong)(yong)(yong)水(shui)場合,如職工浴室。
波紋管即臥(wo)(wo)式(shi)容積式(shi)換(huan)(huan)熱(re)器分為(wei)S型(xing)與H型(xing)。S型(xing)臥(wo)(wo)罐(guan)(guan)(guan)提供汽(qi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)用(yong),H型(xing)臥(wo)(wo)罐(guan)(guan)(guan)提供水(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)用(yong)。臥(wo)(wo)式(shi)容積式(shi)換(huan)(huan)熱(re)器性能(neng)(neng)特點:1.換(huan)(huan)熱(re)量(liang)(liang)大(da)。H型(xing)“新臥(wo)(wo)罐(guan)(guan)(guan)、水(shui)(shui)(shui)(shui)(shui)一(yi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)時(shi),換(huan)(huan)熱(re)量(liang)(liang)為(wei)同(tong)(tong)型(xing)“標(biao)準臥(wo)(wo)罐(guan)(guan)(guan)”的(de)2倍(bei)以上,S型(xing)“新臥(wo)(wo)罐(guan)(guan)(guan)”汽(qi)一(yi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)時(shi),換(huan)(huan)熱(re)量(liang)(liang)為(wei)同(tong)(tong)型(xing)“標(biao)準臥(wo)(wo)罐(guan)(guan)(guan)”的(de)1.2倍(bei)。2.熱(re)媒溫(wen)(wen)(wen)降大(da)。汽(qi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)時(shi),凝結水(shui)(shui)(shui)(shui)(shui)出水(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)(wen)度約(yue)50℃,回(hui)水(shui)(shui)(shui)(shui)(shui)管上不需設疏水(shui)(shui)(shui)(shui)(shui)器,給使用(yong)維修(xiu)帶來方便,水(shui)(shui)(shui)(shui)(shui)一(yi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)時(shi),熱(re)媒溫(wen)(wen)(wen)降為(wei)同(tong)(tong)型(xing)“標(biao)準臥(wo)(wo)罐(guan)(guan)(guan)”的(de)2?2.5倍(bei),120?150℃的(de)高溫(wen)(wen)(wen)熱(re)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)后可(ke)(ke)降70?75℃。3.H型(xing)“新臥(wo)(wo)罐(guan)(guan)(guan)”適(shi)用(yong)于水(shui)(shui)(shui)(shui)(shui)一(yi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re),亦可(ke)(ke)用(yong)于汽(qi)一(yi)水(shui)(shui)(shui)(shui)(shui)換(huan)(huan)熱(re)。4.換(huan)(huan)熱(re)效果好(hao),散熱(re)損失少,節能(neng)(neng)。同(tong)(tong)時(shi),以蒸汽(qi)為(wei)熱(re)媒時(shi),能(neng)(neng)回(hui)收(shou)約(yue)占(zhan)整個換(huan)(huan)熱(re)量(liang)(liang)的(de)15%的(de)凝結水(shui)(shui)(shui)(shui)(shui)熱(re)量(liang)(liang)。