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換熱器是一種比較常見的工業設備,山西容積式熱交換器能夠將熱流體設備的一部分熱量傳送到溫度相對較低的設備中。根據不同標準分類,可以將換熱器分成不同類別,不同類別的換熱器之間是存在差異的,有各自的優缺點,適用的場合也不盡相同。以下就是關于不同換熱器的優缺點的總結。不同換熱器的優點和缺點被加熱水通過罐體阻力損失小。結構簡單、管理方便,可承受水壓,噪音低。換熱面積大,換熱量高。容積式熱交換器供水(shui)(shui)水(shui)(shui)壓(ya)、水(shui)(shui)溫(wen)(wen)穩定(ding)、安全(quan)、節水(shui)(shui)、用(yong)水(shui)(shui)舒適(shi)(shi)。使用(yong)壽命長(chang)。缺點(dian):外形體(ti)積(ji)(ji)較大(da)(da)、換(huan)熱(re)效率(lv)相對較低。殼程清(qing)(qing)洗(xi)不方(fang)便(bian)。殼體(ti)與管子之間無溫(wen)(wen)差(cha)(cha)補償元件(jian)時(shi)會產(chan)生較大(da)(da)的溫(wen)(wen)差(cha)(cha)應(ying)(ying)力, 即溫(wen)(wen)差(cha)(cha)較大(da)(da)是需(xu)要采用(yong)膨(peng)脹節或波紋管等補償元件(jian)減小溫(wen)(wen)差(cha)(cha)應(ying)(ying)力。板式換(huan)熱(re)器優(you)點(dian):傳熱(re)效率(lv)高,對數溫(wen)(wen)差(cha)(cha)大(da)(da),重量輕、占(zhan)地面(mian)(mian)積(ji)(ji)小,清(qing)(qing)洗(xi)方(fang)便(bian),而且容易(yi)改(gai)變換(huan) 熱(re)面(mian)(mian)積(ji)(ji)或流程組合,適(shi)(shi)用(yong)于多重介質換(huan)熱(re)。
容(rong)積(ji)式(shi)(shi)換熱(re)器(qi)(qi)利用(yong)(yong)(yong)增(zeng)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)出口處止(zhi)回(hui)閥(fa)(fa)和(he)電(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa),當(dang)用(yong)(yong)(yong)戶(hu)(hu)系統(tong)(tong)運(yun)行(xing)時(shi),即用(yong)(yong)(yong)戶(hu)(hu)增(zeng)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)啟(qi)動(dong)時(shi),電(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)通(tong)電(dian),當(dang)用(yong)(yong)(yong)戶(hu)(hu)系統(tong)(tong)內(nei)(nei)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)超過(guo)定(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(確保用(yong)(yong)(yong)戶(hu)(hu)系統(tong)(tong)不(bu)(bu)(bu)倒空(kong))后,電(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)自(zi)動(dong)開啟(qi),用(yong)(yong)(yong)戶(hu)(hu)回(hui)水(shui)經閥(fa)(fa)前閥(fa)(fa)定(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)(ya)為用(yong)(yong)(yong)戶(hu)(hu)系統(tong)(tong)的(de)定(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li),并容(rong)積(ji)式(shi)(shi)換熱(re)器(qi)(qi)減壓(ya)(ya)(ya)(ya)(ya)(ya)至和(he)熱(re)網回(hui)水(shui)管壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)相同;當(dang)用(yong)(yong)(yong)戶(hu)(hu)容(rong)積(ji)式(shi)(shi)換熱(re)器(qi)(qi)增(zeng)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)停止(zhi)運(yun)行(xing)時(shi),電(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)斷電(dian)自(zi)動(dong)關(guan)閉,這樣用(yong)(yong)(yong)戶(hu)(hu)系統(tong)(tong)內(nei)(nei)的(de)水(shui)就被密閉起來,如(ru)果不(bu)(bu)(bu)漏水(shui),可保證(zheng)用(yong)(yong)(yong)容(rong)積(ji)式(shi)(shi)換熱(re)器(qi)(qi)戶(hu)(hu)系統(tong)(tong)內(nei)(nei)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)在(zai)較(jiao)長時(shi)間維持(chi)在(zai)定(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)左右。也就是說,不(bu)(bu)(bu)論(lun)增(zeng)壓(ya)(ya)(ya)(ya)(ya)(ya)冪運(yun)行(xing)還是不(bu)(bu)(bu)運(yun)行(xing),用(yong)(yong)(yong)戶(hu)(hu)系締(di)內(nei)(nei)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)都町堆持(chi)在(zai)倧壓(ya)(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)范圍內(nei)(nei)。
熱(re)(re)容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)是(shi)一種新型高效換(huan)熱(re)(re)設備,它集(ji)波紋(wen)管(guan)(guan)(guan)換(huan)熱(re)(re)器(qi)和容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)的有限于一體,采(cai)用(yong)薄壁(bi)不(bu)銹鋼(gang)波紋(wen)管(guan)(guan)(guan)作(zuo)為(wei)(wei)換(huan)熱(re)(re)元件。由于波紋(wen)管(guan)(guan)(guan)獨特的波形,實現了管(guan)(guan)(guan)內外充分湍流,打破了邊(bian)界層,降(jiang)低了管(guan)(guan)(guan)壁(bi)熱(re)(re)阻(zu),提高了管(guan)(guan)(guan)內的給熱(re)(re)系數。波紋(wen)管(guan)(guan)(guan)即(ji)熱(re)(re)容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)在(zai)溫(wen)差應力(li)的作(zuo)用(yong)下,波紋(wen)在(zai)軸(zhou)向存在(zai)伸(shen)縮(suo)變形,使管(guan)(guan)(guan)壁(bi)不(bu)宜(yi)結(jie)(jie)垢(gou),即(ji)使結(jie)(jie)垢(gou),也會由于管(guan)(guan)(guan)子的伸(shen)縮(suo)而脫(tuo)落。因此,該(gai)系列容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)具(ju)有如下特點:1、換(huan)熱(re)(re)效率高。2、防(fang)垢(gou)、除垢(gou)能力(li)強。3、儲水(shui)(shui)量大,出水(shui)(shui)溫(wen)度恒定(ding)。4、出水(shui)(shui)能力(li)是(shi)其他容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)的3-5倍。5、體積(ji)小(xiao),占(zhan)(zhan)地面積(ji)小(xiao),可節省占(zhan)(zhan)地面積(ji)30%-80%。波紋(wen)管(guan)(guan)(guan)即(ji)熱(re)(re)容(rong)積(ji)式(shi)(shi)換(huan)熱(re)(re)器(qi)分為(wei)(wei)立式(shi)(shi)與(yu)臥(wo)式(shi)(shi)兩種系列,按照熱(re)(re)源介質(zhi)分為(wei)(wei)汽水(shui)(shui)型與(yu)水(shui)(shui)水(shui)(shui)型。
封(feng)閉式(shi)冷卻(que)(que)塔(ta)和管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器同屬于(yu)水(shui)換(huan)(huan)熱(re)(re)(re)(re)冷卻(que)(que)裝置,有(you)著本質(zhi)的區別。閉式(shi)冷卻(que)(que)塔(ta)除了熱(re)(re)(re)(re)交換(huan)(huan)的過(guo)程(cheng),可(ke)以(yi)直接蒸(zheng)發吸(xi)熱(re)(re)(re)(re),將熱(re)(re)(re)(re)量(liang)排走,而管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器只能換(huan)(huan)熱(re)(re)(re)(re),使用過(guo)程(cheng)中(zhong)還需要另外的設備進行(xing)排熱(re)(re)(re)(re)。今天小(xiao)衛(wei)給大家(jia)詳(xiang)細介紹一下管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器和閉式(shi)冷卻(que)(que)塔(ta)有(you)著哪些不同之處,在現實使用過(guo)程(cheng)中(zhong)閉式(shi)冷卻(que)(que)塔(ta)替代管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器已成(cheng)趨一、封(feng)閉式(shi)冷卻(que)(que)塔(ta)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器概(gai)念及(ji)結(jie)構管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)(guan)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器。是(shi)(shi)以(yi)封(feng)閉在殼(ke)(ke)(ke)體中(zhong)管(guan)(guan)(guan)(guan)束的壁面(mian)作為傳(chuan)熱(re)(re)(re)(re)面(mian)的間壁式(shi)換(huan)(huan)熱(re)(re)(re)(re)器。這種換(huan)(huan)熱(re)(re)(re)(re)器結(jie)構較簡單,操作 ,可(ke)用各種結(jie)構材料(liao)(主要是(shi)(shi)金屬材料(liao))制(zhi)造(zao),能在高管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器由殼(ke)(ke)(ke)體、傳(chuan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)束、管(guan)(guan)(guan)(guan)板(ban)、折流板(ban)(擋板(ban))和管(guan)(guan)(guan)(guan)箱等(deng)部件組成(cheng)。殼(ke)(ke)(ke)體多為圓筒形(xing),內部裝有(you)管(guan)(guan)(guan)(guan)束,管(guan)(guan)(guan)(guan)束兩端固定在管(guan)(guan)(guan)(guan)板(ban)上。