管(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)是(shi)石(shi)油(you)化(hua)工(gong)(gong)行業的(de)(de)(de)(de)重要設(she)(she)備(bei)，它的(de)(de)(de)(de)腐蝕及(ji)保護對(dui)設(she)(she)備(bei)的(de)(de)(de)(de)長(chang)周期運(yun)行有著重要的(de)(de)(de)(de)意(yi)義；由于(yu)近(jin)年來加工(gong)(gong)原油(you)中的(de)(de)(de)(de)硫、酸(suan)及(ji)雜質含量越來越高，對(dui)煉油(you)換(huan)熱(re)設(she)(she)備(bei)的(de)(de)(de)(de)防腐蝕性能及(ji)材料(liao)的(de)(de)(de)(de)選擇(ze)提出了(le)(le)更高的(de)(de)(de)(de)要求(qiu)。文章對(dui)采用(yong)專用(yong)涂(tu)料(liao)與犧牲(sheng)陽(yang)極綜合保護法(fa)進(jin)行了(le)(le)闡述，該方(fang)法(fa)工(gong)(gong)藝(yi)(yi)方(fang)案(an)和(he)特點是(shi)：管(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)的(de)(de)(de)(de)工(gong)(gong)藝(yi)(yi)方(fang)案(an)和(he)特點是(shi)什么表面處理(li)要徹底，合理(li)選取(qu)保護電(dian)流密度，按設(she)(she)計要求(qiu)確(que)定陽(yang)極塊，控制(zhi)好濕度和(he)溫度，涂(tu)料(liao)施工(gong)(gong)嚴格按照SHY－99涂(tu)料(liao)工(gong)(gong)藝(yi)(yi)進(jin)行，確(que)保綜合防護的(de)(de)(de)(de)效果。目(mu)前國內石(shi)油(you)、化(hua)纖、冶金、發電(dian)等(deng)企業的(de)(de)(de)(de)冷換(huan)器(qi)(qi)設(she)(she)備(bei)經(jing)常由于(yu)水垢、腐蝕產物和(he)腐蝕物黏泥(ni)造成冷換(huan)器(qi)(qi)堵塞，致傳熱(re)系數(shu)下降，是(shi)冷卻水系統中常見的(de)(de)(de)(de)問(wen)題。由于(yu)碳酸(suan)鹽垢的(de)(de)(de)(de)導熱(re)系數(shu)只有碳鋼(gang)的(de)(de)(de)(de)1%左右，直接影響到(dao)了(le)(le)換(huan)熱(re)效率(lv)，增加了(le)(le)系統的(de)(de)(de)(de)壓力降。

換(huan)(huan)(huan)(huan)(huan)熱(re)器是(shi)(shi)一(yi)種比較(jiao)(jiao)(jiao)常見的(de)工業設備(bei)，能夠將熱(re)流體設備(bei)的(de)一(yi)部分熱(re)量傳送到溫(wen)(wen)度相對(dui)較(jiao)(jiao)(jiao)低(di)的(de)設備(bei)中(zhong)。根據不(bu)(bu)同標準分類，可以將換(huan)(huan)(huan)(huan)(huan)熱(re)器分成不(bu)(bu)同類別(bie)(bie)，不(bu)(bu)同類別(bie)(bie)的(de)換(huan)(huan)(huan)(huan)(huan)熱(re)器之間是(shi)(shi)存在差(cha)異的(de)，有(you)各自的(de)優(you)缺點(dian)(dian)(dian)，適(shi)用(yong)的(de)場合也(ye)不(bu)(bu)盡相同。以下就是(shi)(shi)關于不(bu)(bu)同換(huan)(huan)(huan)(huan)(huan)熱(re)器的(de)優(you)缺點(dian)(dian)(dian)的(de)總結。不(bu)(bu)同換(huan)(huan)(huan)(huan)(huan)熱(re)器的(de)優(you)點(dian)(dian)(dian)和(he)缺點(dian)(dian)(dian)被加熱(re)水(shui)(shui)(shui)通(tong)過罐(guan)體阻力損失(shi)小(xiao)(xiao)。結構簡單、管(guan)理(li)方(fang)便(bian)(bian)，可承受(shou)水(shui)(shui)(shui)壓，噪音低(di)。換(huan)(huan)(huan)(huan)(huan)熱(re)面(mian)(mian)積(ji)大(da)，換(huan)(huan)(huan)(huan)(huan)熱(re)量高。供(gong)水(shui)(shui)(shui)水(shui)(shui)(shui)壓、水(shui)(shui)(shui)溫(wen)(wen)穩定、安(an)全、節水(shui)(shui)(shui)、用(yong)水(shui)(shui)(shui)舒適(shi)。使用(yong)壽命長。缺點(dian)(dian)(dian)：外形體積(ji)較(jiao)(jiao)(jiao)大(da)、換(huan)(huan)(huan)(huan)(huan)熱(re)效率(lv)相對(dui)較(jiao)(jiao)(jiao)低(di)。殼程清洗(xi)不(bu)(bu)方(fang)便(bian)(bian)。殼體與管(guan)子之間無溫(wen)(wen)差(cha)補償(chang)元件時會(hui)產生較(jiao)(jiao)(jiao)大(da)的(de)溫(wen)(wen)差(cha)應力， 即(ji)溫(wen)(wen)差(cha)較(jiao)(jiao)(jiao)大(da)是(shi)(shi)需要采(cai)用(yong)膨脹(zhang)節或波紋管(guan)等補償(chang)元件減小(xiao)(xiao)溫(wen)(wen)差(cha)應力。板(ban)式(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)器優(you)點(dian)(dian)(dian)：傳熱(re)效率(lv)高，對(dui)數溫(wen)(wen)差(cha)大(da)，重(zhong)量輕、占地(di)面(mian)(mian)積(ji)小(xiao)(xiao)，清洗(xi)方(fang)便(bian)(bian)，而(er)且容(rong)易改變換(huan)(huan)(huan)(huan)(huan) 熱(re)面(mian)(mian)積(ji)或流程組合，適(shi)用(yong)于多重(zhong)介質換(huan)(huan)(huan)(huan)(huan)熱(re)。

換熱器板片拆開前,應丈量板束的壓緊長度尺度,做好記錄(重裝時應按此尺度). b.板式熱交換器哪家好密封墊片若粘在兩板片間的溝槽內,此刻需用螺絲刀小心腸將其分隔,螺絲刀應先從易剝開的部位插入,然后沿其周邊進行別離,切不可損壞換熱器板片和密封墊片 替換新密封墊片時,需要用丙酮或其他酮類有機溶劑,將密封墊片溝槽擦凈.舟山板式熱交換器再用(yong)(yong)毛(mao)刷將合成(cheng)樹脂粘接劑均(jun)勻涂(tu)在溝槽(cao)里..查看(kan)(kan)換熱器(qi)板片(pian)(pian)是否(fou)有(you)穿孔,一般用(yong)(yong)5倍的放大(da)鏡,有(you)時也可用(yong)(yong)燈(deng)火或火油(you)滲透法等逐片(pian)(pian)查看(kan)(kan).e.假如發現介(jie)質(zhi)出入口短管及(ji)通道有(you)雜物堆(dui)積,則闡明過(guo)濾(lv)器(qi)失效(xiao),應及(ji)時清洗.

容積(ji)式(shi)換熱器(qi)(qi)利用(yong)(yong)增(zeng)(zeng)壓(ya)(ya)(ya)泵(beng)出口處(chu)止回(hui)閥(fa)(fa)(fa)和電磁閥(fa)(fa)(fa)前閥(fa)(fa)(fa)，當用(yong)(yong)戶(hu)系統(tong)運(yun)行(xing)時(shi)，即(ji)用(yong)(yong)戶(hu)增(zeng)(zeng)壓(ya)(ya)(ya)泵(beng)啟(qi)(qi)動時(shi)，電磁閥(fa)(fa)(fa)前閥(fa)(fa)(fa)通電，當用(yong)(yong)戶(hu)系統(tong)內(nei)壓(ya)(ya)(ya)力(li)(li)(li)超(chao)過定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)(li)(確保用(yong)(yong)戶(hu)系統(tong)不倒空)后(hou)，電磁閥(fa)(fa)(fa)前閥(fa)(fa)(fa)自動開啟(qi)(qi)，用(yong)(yong)戶(hu)回(hui)水經閥(fa)(fa)(fa)前閥(fa)(fa)(fa)定壓(ya)(ya)(ya)為(wei)用(yong)(yong)戶(hu)系統(tong)的(de)(de)定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)(li)，并容積(ji)式(shi)換熱器(qi)(qi)減壓(ya)(ya)(ya)至和熱網回(hui)水管壓(ya)(ya)(ya)力(li)(li)(li)相同；當用(yong)(yong)戶(hu)容積(ji)式(shi)換熱器(qi)(qi)增(zeng)(zeng)壓(ya)(ya)(ya)泵(beng)停止運(yun)行(xing)時(shi)，電磁閥(fa)(fa)(fa)前閥(fa)(fa)(fa)斷電自動關閉，這樣用(yong)(yong)戶(hu)系統(tong)內(nei)的(de)(de)水就被密閉起來，如果(guo)不漏水，可保證(zheng)用(yong)(yong)容積(ji)式(shi)換熱器(qi)(qi)戶(hu)系統(tong)內(nei)壓(ya)(ya)(ya)力(li)(li)(li)在較長時(shi)間維(wei)持在定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)(li)左右。也就是說，不論(lun)增(zeng)(zeng)壓(ya)(ya)(ya)冪運(yun)行(xing)還(huan)是不運(yun)行(xing)，用(yong)(yong)戶(hu)系締內(nei)的(de)(de)壓(ya)(ya)(ya)力(li)(li)(li)都町堆持在倧壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)(li)范(fan)圍內(nei)。

管(guan)(guan)(guan)(guan)殼式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)其壽(shou)命設計的(de)(de)(de)管(guan)(guan)(guan)(guan)殼式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)約為(wei)30年左右，為(wei)4年左右的(de)(de)(de)檢(jian)修(xiu)期，如果換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)泄(xie)漏，可(ke)能是管(guan)(guan)(guan)(guan)和管(guan)(guan)(guan)(guan)道泄(xie)漏引起的(de)(de)(de)泄(xie)漏或(huo)破裂的(de)(de)(de)管(guan)(guan)(guan)(guan)板(ban)之間，壁管(guan)(guan)(guan)(guan)方法(fa)可(ke)在短時間內恢復工作業績，讓7%堵(du)冠宇管(guan)(guan)(guan)(guan)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)。根據橡膠(jiao)球清(qing)(qing)洗裝(zhuang)置的(de)(de)(de)需要(yao)，可(ke)進(jin)行定(ding)期的(de)(de)(de)機械(xie)清(qing)(qing)洗。這個(ge)方法(fa)很(hen)簡(jian)單。 板(ban)式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)的(de)(de)(de)維(wei)護方法(fa)：專業板(ban)式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)具有(you)體(ti)積小、重量輕等特(te)點(dian)，維(wei)修(xiu)方便，不需要(yao)設置吊裝(zhuang)設施，安(an)裝(zhuang)面積少(shao)。板(ban)式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)的(de)(de)(de)手(shou)動維(wei)護包(bao)括整個(ge)機器(qi)(qi)的(de)(de)(de)折疊，用噴(pen)水槍(qiang)和毛刷清(qing)(qing)洗板(ban)和墊(dian)片，必要(yao)時檢(jian)查板(ban)和墊(dian)片，必要(yao)時更換(huan)(huan)(huan)板(ban)和墊(dian)片。管(guan)(guan)(guan)(guan)殼式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)和板(ban)式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)如何(he)維(wei)修(xiu)板(ban)式(shi)(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)(qi)通常每(mei)年需要(yao)清(qing)(qing)洗一(yi)次，無論是否實用，都(dou)要(yao)做。