管殼式換(huan)(huan)熱器是(shi)石(shi)油(you)(you)化工(gong)(gong)(gong)行業(ye)的(de)重要(yao)設(she)備(bei)(bei)，它的(de)腐蝕(shi)及(ji)保護對(dui)(dui)設(she)備(bei)(bei)的(de)長周期(qi)運行有著重要(yao)的(de)意(yi)義；由于(yu)(yu)近年來加工(gong)(gong)(gong)原油(you)(you)中(zhong)的(de)硫(liu)、酸及(ji)雜質含量越來越高，對(dui)(dui)煉油(you)(you)換(huan)(huan)熱設(she)備(bei)(bei)的(de)防腐蝕(shi)性能及(ji)材料(liao)(liao)(liao)的(de)選擇提出了更高的(de)要(yao)求(qiu)。文章(zhang)對(dui)(dui)采用(yong)專(zhuan)用(yong)涂(tu)料(liao)(liao)(liao)與犧牲(sheng)陽(yang)極(ji)綜合保護法進行了闡述，該方法工(gong)(gong)(gong)藝方案(an)和特點是(shi)：管殼式換(huan)(huan)熱器的(de)工(gong)(gong)(gong)藝方案(an)和特點是(shi)什么表(biao)面處理要(yao)徹底(di)，合理選取(qu)保護電流密度(du)，按設(she)計要(yao)求(qiu)確定陽(yang)極(ji)塊，控制好(hao)濕度(du)和溫度(du)，涂(tu)料(liao)(liao)(liao)施工(gong)(gong)(gong)嚴格按照SHY－99涂(tu)料(liao)(liao)(liao)工(gong)(gong)(gong)藝進行，確保綜合防護的(de)效(xiao)(xiao)果(guo)。目(mu)前國內石(shi)油(you)(you)、化纖、冶金、發電等企業(ye)的(de)冷換(huan)(huan)器設(she)備(bei)(bei)經常(chang)由于(yu)(yu)水(shui)(shui)垢(gou)、腐蝕(shi)產物和腐蝕(shi)物黏泥造成冷換(huan)(huan)器堵塞，致傳熱系(xi)(xi)數下(xia)降，是(shi)冷卻水(shui)(shui)系(xi)(xi)統(tong)中(zhong)常(chang)見的(de)問題。由于(yu)(yu)碳酸鹽(yan)垢(gou)的(de)導(dao)熱系(xi)(xi)數只有碳鋼的(de)1%左(zuo)右，直接(jie)影響(xiang)到了換(huan)(huan)熱效(xiao)(xiao)率，增(zeng)加了系(xi)(xi)統(tong)的(de)壓(ya)力降。

換(huan)(huan)熱(re)(re)器(qi)是一種比(bi)較(jiao)常見(jian)的(de)(de)(de)工業設備，能夠(gou)將熱(re)(re)流(liu)體(ti)(ti)設備的(de)(de)(de)一部分(fen)熱(re)(re)量傳送到溫(wen)度相(xiang)(xiang)對(dui)較(jiao)低的(de)(de)(de)設備中。根據不(bu)同(tong)(tong)(tong)標準分(fen)類，可(ke)(ke)以將換(huan)(huan)熱(re)(re)器(qi)分(fen)成(cheng)不(bu)同(tong)(tong)(tong)類別(bie)，不(bu)同(tong)(tong)(tong)類別(bie)的(de)(de)(de)換(huan)(huan)熱(re)(re)器(qi)之(zhi)間是存(cun)在差異的(de)(de)(de)，有各自的(de)(de)(de)優(you)(you)缺(que)點(dian)，適用的(de)(de)(de)場(chang)合(he)也不(bu)盡(jin)相(xiang)(xiang)同(tong)(tong)(tong)。以下(xia)就是關于不(bu)同(tong)(tong)(tong)換(huan)(huan)熱(re)(re)器(qi)的(de)(de)(de)優(you)(you)缺(que)點(dian)的(de)(de)(de)總結(jie)。不(bu)同(tong)(tong)(tong)換(huan)(huan)熱(re)(re)器(qi)的(de)(de)(de)優(you)(you)點(dian)和缺(que)點(dian)被加熱(re)(re)水通(tong)過罐(guan)體(ti)(ti)阻力(li)損失小(xiao)。結(jie)構(gou)簡(jian)單、管(guan)理(li)方(fang)便，可(ke)(ke)承受水壓，噪音低。換(huan)(huan)熱(re)(re)面(mian)積(ji)大(da)，換(huan)(huan)熱(re)(re)量高。供水水壓、水溫(wen)穩定、安(an)全(quan)、節(jie)水、用水舒適。使用壽命(ming)長。缺(que)點(dian)：外形體(ti)(ti)積(ji)較(jiao)大(da)、換(huan)(huan)熱(re)(re)效率(lv)相(xiang)(xiang)對(dui)較(jiao)低。殼(ke)程(cheng)清洗(xi)不(bu)方(fang)便。殼(ke)體(ti)(ti)與管(guan)子之(zhi)間無溫(wen)差補(bu)償元件(jian)時會(hui)產生(sheng)較(jiao)大(da)的(de)(de)(de)溫(wen)差應力(li)， 即溫(wen)差較(jiao)大(da)是需要采用膨(peng)脹節(jie)或(huo)波紋(wen)管(guan)等補(bu)償元件(jian)減小(xiao)溫(wen)差應力(li)。板式(shi)換(huan)(huan)熱(re)(re)器(qi)優(you)(you)點(dian)：傳熱(re)(re)效率(lv)高，對(dui)數(shu)溫(wen)差大(da)，重量輕、占地面(mian)積(ji)小(xiao)，清洗(xi)方(fang)便，而(er)且容(rong)易(yi)改(gai)變(bian)換(huan)(huan) 熱(re)(re)面(mian)積(ji)或(huo)流(liu)程(cheng)組合(he)，適用于多重介質(zhi)換(huan)(huan)熱(re)(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毛刷將合(he)成(cheng)樹脂粘接劑(ji)均勻涂在溝槽里(li)..查看換熱器板片是否有穿孔,一般用5倍的(de)放大鏡,有時也可用燈火或火油(you)滲透法等逐片查看.e.假如發(fa)現介質出入口短管及(ji)通道(dao)有雜物堆積(ji),則闡明過濾器失效,應及(ji)時清洗(xi).

容積(ji)(ji)式換熱(re)(re)器(qi)利用(yong)(yong)(yong)增(zeng)壓(ya)(ya)(ya)泵(beng)出口處止(zhi)回閥(fa)(fa)(fa)和(he)電(dian)磁(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)，當用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)統(tong)運(yun)行時，即(ji)用(yong)(yong)(yong)戶(hu)(hu)增(zeng)壓(ya)(ya)(ya)泵(beng)啟動時，電(dian)磁(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)通電(dian)，當用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)統(tong)內(nei)壓(ya)(ya)(ya)力(li)(li)超過定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)(確(que)保用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)統(tong)不(bu)倒空)后，電(dian)磁(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)自動開啟，用(yong)(yong)(yong)戶(hu)(hu)回水經閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)定壓(ya)(ya)(ya)為(wei)用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)統(tong)的定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)，并容積(ji)(ji)式換熱(re)(re)器(qi)減壓(ya)(ya)(ya)至和(he)熱(re)(re)網回水管壓(ya)(ya)(ya)力(li)(li)相(xiang)同；當用(yong)(yong)(yong)戶(hu)(hu)容積(ji)(ji)式換熱(re)(re)器(qi)增(zeng)壓(ya)(ya)(ya)泵(beng)停止(zhi)運(yun)行時，電(dian)磁(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)斷(duan)電(dian)自動關閉，這樣用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)統(tong)內(nei)的水就(jiu)被密閉起(qi)來，如果不(bu)漏水，可保證用(yong)(yong)(yong)容積(ji)(ji)式換熱(re)(re)器(qi)戶(hu)(hu)系(xi)(xi)統(tong)內(nei)壓(ya)(ya)(ya)力(li)(li)在(zai)較(jiao)長時間維持在(zai)定壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)左右。也就(jiu)是說，不(bu)論增(zeng)壓(ya)(ya)(ya)冪運(yun)行還(huan)是不(bu)運(yun)行，用(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)締(di)內(nei)的壓(ya)(ya)(ya)力(li)(li)都町(ding)堆持在(zai)倧壓(ya)(ya)(ya)壓(ya)(ya)(ya)力(li)(li)范圍內(nei)。

管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)其壽(shou)命設(she)計的管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)約為30年(nian)左右(you)，為4年(nian)左右(you)的檢修期(qi)，如果換(huan)(huan)熱(re)(re)器(qi)(qi)泄漏(lou)，可能(neng)是管(guan)(guan)(guan)和管(guan)(guan)(guan)道泄漏(lou)引(yin)起的泄漏(lou)或(huo)破(po)裂(lie)的管(guan)(guan)(guan)板(ban)(ban)(ban)之間(jian)(jian)，壁(bi)管(guan)(guan)(guan)方(fang)法可在短(duan)時間(jian)(jian)內恢復工作(zuo)業績，讓7%堵冠宇管(guan)(guan)(guan)換(huan)(huan)熱(re)(re)器(qi)(qi)。根據橡(xiang)膠球清(qing)(qing)洗(xi)(xi)裝置的需(xu)要(yao)(yao)，可進行定期(qi)的機械(xie)清(qing)(qing)洗(xi)(xi)。這個方(fang)法很(hen)簡單。 板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)的維(wei)護方(fang)法：專(zhuan)業板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)具有體積小、重量輕等特點，維(wei)修方(fang)便，不需(xu)要(yao)(yao)設(she)置吊裝設(she)施，安裝面積少。板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)的手動維(wei)護包括整個機器(qi)(qi)的折疊，用(yong)噴水(shui)槍和毛刷清(qing)(qing)洗(xi)(xi)板(ban)(ban)(ban)和墊片(pian)，必(bi)要(yao)(yao)時檢查板(ban)(ban)(ban)和墊片(pian)，必(bi)要(yao)(yao)時更換(huan)(huan)板(ban)(ban)(ban)和墊片(pian)。管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)和板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)如何維(wei)修板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)器(qi)(qi)通常每年(nian)需(xu)要(yao)(yao)清(qing)(qing)洗(xi)(xi)一(yi)次，無論是否實用(yong)，都要(yao)(yao)做(zuo)。