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換(huan)熱(re)(re)器(qi)(qi)是(shi)一種(zhong)比較(jiao)常(chang)見的(de)(de)工業設(she)(she)備,能夠(gou)將(jiang)熱(re)(re)流體設(she)(she)備的(de)(de)一部分熱(re)(re)量(liang)(liang)傳(chuan)送到溫度相(xiang)對(dui)較(jiao)低的(de)(de)設(she)(she)備中。根據不(bu)(bu)(bu)同標(biao)準分類,可以(yi)將(jiang)換(huan)熱(re)(re)器(qi)(qi)分成不(bu)(bu)(bu)同類別,不(bu)(bu)(bu)同類別的(de)(de)換(huan)熱(re)(re)器(qi)(qi)之(zhi)間(jian)是(shi)存在差(cha)(cha)異的(de)(de),有(you)各(ge)自的(de)(de)優(you)缺(que)點(dian)(dian),適用(yong)的(de)(de)場(chang)合也(ye)不(bu)(bu)(bu)盡(jin)相(xiang)同。以(yi)下就是(shi)關于(yu)不(bu)(bu)(bu)同換(huan)熱(re)(re)器(qi)(qi)的(de)(de)優(you)缺(que)點(dian)(dian)的(de)(de)總(zong)結(jie)。不(bu)(bu)(bu)同換(huan)熱(re)(re)器(qi)(qi)的(de)(de)優(you)點(dian)(dian)和(he)缺(que)點(dian)(dian)被加熱(re)(re)水(shui)通過罐體阻力(li)損失小(xiao)。結(jie)構簡單、管(guan)理方便,可承受水(shui)壓(ya)(ya),噪(zao)音低。換(huan)熱(re)(re)面積大(da)(da),換(huan)熱(re)(re)量(liang)(liang)高(gao)(gao)。供水(shui)水(shui)壓(ya)(ya)、水(shui)溫穩定、安全(quan)、節(jie)(jie)水(shui)、用(yong)水(shui)舒適。使(shi)用(yong)壽(shou)命長。缺(que)點(dian)(dian):外(wai)形(xing)體積較(jiao)大(da)(da)、換(huan)熱(re)(re)效(xiao)率相(xiang)對(dui)較(jiao)低。殼程(cheng)清(qing)洗不(bu)(bu)(bu)方便。殼體與管(guan)子之(zhi)間(jian)無溫差(cha)(cha)補償(chang)元件時會產生較(jiao)大(da)(da)的(de)(de)溫差(cha)(cha)應(ying)力(li), 即溫差(cha)(cha)較(jiao)大(da)(da)是(shi)需(xu)要采用(yong)膨脹節(jie)(jie)或(huo)波紋管(guan)等補償(chang)元件減小(xiao)溫差(cha)(cha)應(ying)力(li)。板式換(huan)熱(re)(re)器(qi)(qi)優(you)點(dian)(dian):傳(chuan)熱(re)(re)效(xiao)率高(gao)(gao),對(dui)數溫差(cha)(cha)大(da)(da),重量(liang)(liang)輕、占地面積小(xiao),清(qing)洗方便,而且容易改變換(huan) 熱(re)(re)面積或(huo)流程(cheng)組(zu)合,適用(yong)于(yu)多(duo)重介質換(huan)熱(re)(re)。
管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)其(qi)壽命設(she)計的(de)(de)管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)約為30年左(zuo)右(you),為4年左(zuo)右(you)的(de)(de)檢修(xiu)期(qi),如果換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)泄漏,可(ke)能是(shi)管(guan)(guan)(guan)和管(guan)(guan)(guan)道泄漏引起的(de)(de)泄漏或破裂的(de)(de)管(guan)(guan)(guan)板(ban)(ban)(ban)之間(jian),壁(bi)管(guan)(guan)(guan)方(fang)法(fa)可(ke)在短時(shi)(shi)間(jian)內恢(hui)復(fu)工(gong)作業(ye)績,讓7%堵冠宇管(guan)(guan)(guan)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)。根(gen)據橡膠球清(qing)洗裝置(zhi)的(de)(de)需要(yao)(yao)(yao),可(ke)進行(xing)定期(qi)的(de)(de)機(ji)械清(qing)洗。這個(ge)方(fang)法(fa)很簡單。 板(ban)(ban)(ban)式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)的(de)(de)維(wei)護方(fang)法(fa):專業(ye)板(ban)(ban)(ban)式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)具有體(ti)積(ji)小、重量(liang)輕等特點,維(wei)修(xiu)方(fang)便,不需要(yao)(yao)(yao)設(she)置(zhi)吊裝設(she)施(shi),安(an)裝面積(ji)少。板(ban)(ban)(ban)式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)的(de)(de)手動(dong)維(wei)護包括整個(ge)機(ji)器(qi)(qi)(qi)的(de)(de)折(zhe)疊,用噴水槍和毛刷清(qing)洗板(ban)(ban)(ban)和墊(dian)片(pian),必(bi)要(yao)(yao)(yao)時(shi)(shi)檢查板(ban)(ban)(ban)和墊(dian)片(pian),必(bi)要(yao)(yao)(yao)時(shi)(shi)更換(huan)(huan)板(ban)(ban)(ban)和墊(dian)片(pian)。管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)和板(ban)(ban)(ban)式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)如何(he)維(wei)修(xiu)板(ban)(ban)(ban)式換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)通常每年需要(yao)(yao)(yao)清(qing)洗一次,無(wu)論是(shi)否實用,都要(yao)(yao)(yao)做。
回用(yong)(yong)性能的(de)(de)(de)(de)檢(jian)驗(yan)和(he)檢(jian)測。在懷(huai)疑(yi)有(you)銹蝕的(de)(de)(de)(de)情況下對(dui)換熱(re)(re)器及管道的(de)(de)(de)(de)壁厚進行(xing)檢(jian)查;清除(chu)老化的(de)(de)(de)(de)密(mi)封(feng)(feng)件,根(gen)據不同的(de)(de)(de)(de)污垢,采用(yong)(yong)酸堿進行(xing)化學清洗(xi),被清洗(xi)零部件的(de)(de)(de)(de)表面不會受到化學介質(zhi)的(de)(de)(de)(de)腐蝕侵害;還要著重檢(jian)查密(mi)封(feng)(feng)槽的(de)(de)(de)(de)情況,必(bi)(bi)要時(shi)進行(xing)修(xiu)整;五是對(dui)于粘(zhan)接(jie)式(shi)密(mi)封(feng)(feng)墊(dian),將(jiang)徹(che)底清除(chu)殘留的(de)(de)(de)(de)物質(zhi),使(shi)用(yong)(yong)調和(he)式(shi)粘(zhan)接(jie)膠重新粘(zhan)接(jie),重新組(zu)合的(de)(de)(de)(de)換熱(re)(re)器片(pian)(pian)組(zu)在專用(yong)(yong)夾具中(zhong)(zhong)夾緊,使(shi)粘(zhan)接(jie)劑固化,在保(bao)溫爐(lu)中(zhong)(zhong)加(jia)熱(re)(re)保(bao)溫,以(yi)達到粘(zhan)接(jie)效果。如果沒有(you)備用(yong)(yong)的(de)(de)(de)(de)密(mi)封(feng)(feng)墊(dian),必(bi)(bi)須(xu)從整個板式(shi)換熱(re)(re)器組(zu)中(zhong)(zhong)取下受損密(mi)封(feng)(feng)墊(dian)兩側的(de)(de)(de)(de)散熱(re)(re)片(pian)(pian),然后對(dui)剩(sheng)(sheng)余散熱(re)(re)片(pian)(pian)的(de)(de)(de)(de)密(mi)封(feng)(feng)墊(dian)結合面進行(xing)檢(jian)查。必(bi)(bi)須(xu)嚴格按照(zhao)使(shi)用(yong)(yong)說明書中(zhong)(zhong)的(de)(de)(de)(de)要求(qiu)安裝剩(sheng)(sheng)余的(de)(de)(de)(de)換熱(re)(re)器片(pian)(pian),為了(le)保(bao)證剩(sheng)(sheng)余的(de)(de)(de)(de)換熱(re)(re)器有(you)足夠的(de)(de)(de)(de)應力(li)(li)(li)以(yi)抵抗(kang)負載(zai),必(bi)(bi)須(xu)將(jiang)原來各(ge)片(pian)(pian)允(yun)許承受的(de)(de)(de)(de)應力(li)(li)(li)乘以(yi)原來的(de)(de)(de)(de)換熱(re)(re)器片(pian)(pian)數(shu)(shu),所得的(de)(de)(de)(de)積再除(chu)以(yi)當前(qian)剩(sheng)(sheng)余換熱(re)(re)器的(de)(de)(de)(de)片(pian)(pian)數(shu)(shu),得到現在每個換熱(re)(re)器片(pian)(pian)必(bi)(bi)須(xu)承受的(de)(de)(de)(de)組(zu)裝應力(li)(li)(li)數(shu)(shu)值。
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,容積式熱交換器將熱量排走,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。容積式熱交換器哪家好今(jin)天小衛給大家詳細介紹一(yi)下管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)和(he)(he)閉(bi)式(shi)(shi)(shi)冷(leng)卻(que)塔(ta)(ta)有著哪(na)些不同之處,在(zai)現實使(shi)用過程中(zhong)閉(bi)式(shi)(shi)(shi)冷(leng)卻(que)塔(ta)(ta)替代管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)已成(cheng)(cheng)趨一(yi)、封(feng)閉(bi)式(shi)(shi)(shi)冷(leng)卻(que)塔(ta)(ta)管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)概念及結(jie)構管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)。是以封(feng)閉(bi)在(zai)殼(ke)(ke)體(ti)中(zhong)管(guan)(guan)(guan)(guan)束的(de)壁面作(zuo)為(wei)傳(chuan)熱(re)面的(de)間壁式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)。這種換(huan)熱(re)器(qi)(qi)(qi)結(jie)構較簡單,操作(zuo) ,可用各種結(jie)構材料(主要是金屬(shu)材料)制造,能在(zai)高管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)由(you)殼(ke)(ke)體(ti)、傳(chuan)熱(re)管(guan)(guan)(guan)(guan)束、管(guan)(guan)(guan)(guan)板(ban)、折(zhe)流板(ban)(擋板(ban))和(he)(he)管(guan)(guan)(guan)(guan)箱等部件組成(cheng)(cheng)。殼(ke)(ke)體(ti)多為(wei)圓筒形,內(nei)部裝(zhuang)有管(guan)(guan)(guan)(guan)束,管(guan)(guan)(guan)(guan)束兩端固定(ding)在(zai)管(guan)(guan)(guan)(guan)板(ban)上。