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換(huan)熱(re)(re)(re)器(qi)是(shi)(shi)一種比較(jiao)(jiao)常見(jian)的(de)(de)工業(ye)設備(bei),能(neng)夠將(jiang)熱(re)(re)(re)流(liu)體設備(bei)的(de)(de)一部分熱(re)(re)(re)量(liang)(liang)傳送到溫(wen)(wen)度相(xiang)對(dui)(dui)較(jiao)(jiao)低的(de)(de)設備(bei)中(zhong)。根(gen)據不(bu)(bu)同(tong)標(biao)準分類,可(ke)以(yi)將(jiang)換(huan)熱(re)(re)(re)器(qi)分成不(bu)(bu)同(tong)類別(bie),不(bu)(bu)同(tong)類別(bie)的(de)(de)換(huan)熱(re)(re)(re)器(qi)之間(jian)是(shi)(shi)存在差(cha)(cha)異(yi)的(de)(de),有各(ge)自的(de)(de)優(you)缺點(dian),適用(yong)(yong)的(de)(de)場(chang)合也不(bu)(bu)盡相(xiang)同(tong)。以(yi)下就是(shi)(shi)關于(yu)不(bu)(bu)同(tong)換(huan)熱(re)(re)(re)器(qi)的(de)(de)優(you)缺點(dian)的(de)(de)總(zong)結。不(bu)(bu)同(tong)換(huan)熱(re)(re)(re)器(qi)的(de)(de)優(you)點(dian)和缺點(dian)被加熱(re)(re)(re)水(shui)(shui)通過罐體阻力(li)損(sun)失小(xiao)。結構簡單、管(guan)理方(fang)便,可(ke)承(cheng)受水(shui)(shui)壓,噪音(yin)低。換(huan)熱(re)(re)(re)面積(ji)大,換(huan)熱(re)(re)(re)量(liang)(liang)高(gao)。供水(shui)(shui)水(shui)(shui)壓、水(shui)(shui)溫(wen)(wen)穩定、安全、節(jie)水(shui)(shui)、用(yong)(yong)水(shui)(shui)舒適。使用(yong)(yong)壽命長。缺點(dian):外(wai)形體積(ji)較(jiao)(jiao)大、換(huan)熱(re)(re)(re)效(xiao)率相(xiang)對(dui)(dui)較(jiao)(jiao)低。殼程(cheng)清洗不(bu)(bu)方(fang)便。殼體與管(guan)子之間(jian)無溫(wen)(wen)差(cha)(cha)補(bu)償元件時會產生(sheng)較(jiao)(jiao)大的(de)(de)溫(wen)(wen)差(cha)(cha)應(ying)(ying)力(li), 即溫(wen)(wen)差(cha)(cha)較(jiao)(jiao)大是(shi)(shi)需要(yao)采用(yong)(yong)膨脹節(jie)或(huo)波紋管(guan)等補(bu)償元件減小(xiao)溫(wen)(wen)差(cha)(cha)應(ying)(ying)力(li)。板式換(huan)熱(re)(re)(re)器(qi)優(you)點(dian):傳熱(re)(re)(re)效(xiao)率高(gao),對(dui)(dui)數溫(wen)(wen)差(cha)(cha)大,重量(liang)(liang)輕、占地面積(ji)小(xiao),清洗方(fang)便,而且容易改變換(huan) 熱(re)(re)(re)面積(ji)或(huo)流(liu)程(cheng)組合,適用(yong)(yong)于(yu)多(duo)重介質換(huan)熱(re)(re)(re)。
傳(chuan)(chuan)(chuan)熱(re)(re)(re)(re)(re)效(xiao)率(lv)(lv)高(gao)(性(xing)能(neng)(neng)(neng)好)一般認為螺(luo)(luo)旋(xuan)板(ban)(ban)式換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)傳(chuan)(chuan)(chuan)熱(re)(re)(re)(re)(re)效(xiao)率(lv)(lv)為列管式換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)1-3倍.等(deng)截(jie)面(mian)單通(tong)(tong)道(dao)不存在流動(dong)死區,定距柱及螺(luo)(luo)旋(xuan)通(tong)(tong)道(dao)對(dui)流動(dong)的(de)(de)擾動(dong)降低了(le)(le)流體(ti)的(de)(de)臨界雷諾數(shu),水水換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)時螺(luo)(luo)旋(xuan)板(ban)(ban)式換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)傳(chuan)(chuan)(chuan)熱(re)(re)(re)(re)(re)系數(shu)大(da)(da)可(ke)(ke)(ke)達3000W/(㎡.K). 有(you)效(xiao)回收(shou)低溫熱(re)(re)(re)(re)(re)能(neng)(neng)(neng)螺(luo)(luo)旋(xuan)板(ban)(ban)式換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)由兩(liang)張卷制(zhi)而成,形成了(le)(le)兩(liang)個均(jun)勻的(de)(de)螺(luo)(luo)旋(xuan)通(tong)(tong)道(dao),兩(liang)種傳(chuan)(chuan)(chuan)熱(re)(re)(re)(re)(re)介(jie)質可(ke)(ke)(ke)進(jin)行(xing)(xing)全逆(ni)流流動(dong),大(da)(da)大(da)(da)增強了(le)(le)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效(xiao)果,即使兩(liang)種小(xiao)溫差介(jie)質 換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)盤管哪家好,也能(neng)(neng)(neng)達到理想的(de)(de)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效(xiao)果,進(jin)行(xing)(xing)余熱(re)(re)(re)(re)(re)回收(shou),充分(fen)利用低溫熱(re)(re)(re)(re)(re)能(neng)(neng)(neng).運行(xing)(xing)可(ke)(ke)(ke)靠性(xing)強不可(ke)(ke)(ke)拆(chai)式螺(luo)(luo)旋(xuan)板(ban)(ban)式換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)螺(luo)(luo)旋(xuan)通(tong)(tong)道(dao)的(de)(de)端面(mian)采用焊(han)接密封(feng),因而具有(you)較高(gao)的(de)(de)密封(feng)性(xing),保證(zheng)兩(liang)種工(gong)作介(jie)質不混(hun)合.阻(zu)力(li)(li)(li)小(xiao)在殼體(ti)上的(de)(de)接管采用切向(xiang)(xiang)結構,局部阻(zu)力(li)(li)(li)小(xiao),由于螺(luo)(luo)旋(xuan)通(tong)(tong)道(dao)的(de)(de)曲率(lv)(lv)是(shi)均(jun)勻的(de)(de),液(ye)體(ti)在設(she)備內流動(dong)沒有(you)大(da)(da)的(de)(de)轉向(xiang)(xiang),總的(de)(de)阻(zu)力(li)(li)(li)小(xiao),因而可(ke)(ke)(ke)提高(gao)設(she)計流速使之具備較高(gao)的(de)(de)傳(chuan)(chuan)(chuan)熱(re)(re)(re)(re)(re)能(neng)(neng)(neng)力(li)(li)(li).
半(ban)(ban)容(rong)(rong)(rong)積(ji)式換(huan)(huan)熱(re)器(qi)(qi)性能與特點是什么呢?而且(qie)換(huan)(huan)熱(re)器(qi)(qi)的(de)(de)(de)功能也是很(hen)強大(da)的(de)(de)(de),在機電(dian)行(xing)業(ye)中都輸數一(yi)數二的(de)(de)(de),半(ban)(ban)容(rong)(rong)(rong)積(ji)式換(huan)(huan)熱(re)器(qi)(qi)換(huan)(huan)熱(re)器(qi)(qi)是將熱(re)流體的(de)(de)(de)部分熱(re)量傳(chuan)遞給冷(leng)流體的(de)(de)(de)設備.換(huan)(huan)熱(re)器(qi)(qi)是化工(gong)、石油(you)(you)、動(dong)力、食品(pin)及其它許多(duo)(duo)工(gong)業(ye)部門的(de)(de)(de)通(tong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)設備,在生產中占(zhan)有重要地位.下面(mian)換(huan)(huan)熱(re)設備廠(chang)家(jia)(jia)就為(wei)大(da)家(jia)(jia)介紹(shao)一(yi)下半(ban)(ban)容(rong)(rong)(rong)積(ji)式換(huan)(huan)熱(re)器(qi)(qi)的(de)(de)(de)各項性能特點:高(gao)效(xiao)節能,換(huan)(huan)熱(re)器(qi)(qi)傳(chuan)熱(re)系數。不銹鋼制作,使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)壽命長,可(ke)達20年以(yi)上。層流為(wei)湍(tuan)流,提(ti)高(gao)了(le)換(huan)(huan)熱(re)效(xiao)率,降低了(le)熱(re)阻。傳(chuan)熱(re)速度快,耐高(gao)400℃),耐高(gao)壓(ya)(2.5Mpa)。結構緊湊,占(zhan)面(mian)積(ji)小,重量輕(qing),安(an)裝方便(bian),節約土建投資(zi)。設計靈活,規格(ge)齊(qi)全,實用(yong)(yong)(yong)(yong)(yong)(yong)(yong)針對(dui)性強,節約資(zi)金。使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)條件廣泛(fan),適用(yong)(yong)(yong)(yong)(yong)(yong)(yong)較大(da)的(de)(de)(de)壓(ya)力、溫度范(fan)圍和多(duo)(duo)種(zhong)介質熱(re)交換(huan)(huan)。維護費用(yong)(yong)(yong)(yong)(yong)(yong)(yong)低,易操(cao)作,清垢周期長,清洗方便(bian)。使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)納米熱(re)膜技術(shu),顯著增大(da)傳(chuan)熱(re)系數。應用(yong)(yong)(yong)(yong)(yong)(yong)(yong)領域廣闊,可(ke)廣泛(fan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于熱(re)電(dian)、廠(chang)礦、石油(you)(you)化工(gong)、城市集中供(gong)熱(re)、食品(pin)醫藥(yao)、能源電(dian)子、機械輕(qing)工(gong)等領域。
管殼式換熱器又稱列管式換熱器、列管換熱器、管殼換熱器、殼管式換熱器、殼管換熱器,關于管殼式換熱器名稱各種叫法都有,比較常見說法就是管殼式換熱器和列管式換熱器。管殼式換熱器組成及優點: 管殼式換熱器主要有殼體、管束、折流板、管板和封頭等部分組成,殼體多呈圓形,內部裝有平行管束或者螺旋管,管束安裝在殼體內,兩端固定于管板上,供應板式換熱器價格封頭用螺栓與殼體兩端的法蘭相連。管殼換熱器內進行換熱的兩種流體在管殼換熱器內進行換熱的兩種流體:(1)一種在管內流動,其行程稱為管程;(2)一種在管外流動,其行程稱為殼程;(3)管束的壁面即為傳熱面。管子的型號不一,寧波板式換熱器過程一般為(wei)(wei)直徑16mm20mm或者25mm三個型號;4)管壁厚(hou)度一般為(wei)(wei)1mm,1.5mm,2mm以及2.5mm。
容(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)是(shi)使(shi)用(yong)(yong)(yong)(yong)的(de)非常(chang)廣泛(fan)的(de)一(yi)(yi)種(zhong)(zhong)換(huan)(huan)熱(re)(re)(re)器(qi),它主要由器(qi)體、蒸汽(qi)盤管(guan)(guan)組件,蒸汽(qi)進(jin)出(chu)口、冷熱(re)(re)(re)水進(jin)出(chu)口等組成(cheng),為(wei)(wei)防(fang)止器(qi)體內表面(mian)腐(fu)蝕,在表面(mian)上(shang)噴涂有(you)(you)一(yi)(yi)層(ceng)防(fang)腐(fu)合(he)(he)(he)金層(ceng),并(bing)在合(he)(he)(he)金層(ceng)上(shang)刷(shua)制有(you)(you)油漆層(ceng),另(ling)取消原有(you)(you)管(guan)(guan)箱(xiang),蒸汽(qi)盤管(guan)(guan)通過法蘭(lan)直接外接,從(cong)而(er)使(shi)本實用(yong)(yong)(yong)(yong)新(xin)型具有(you)(you)結構簡(jian)單合(he)(he)(he)理、使(shi)用(yong)(yong)(yong)(yong)壽命長,換(huan)(huan)熱(re)(re)(re)效(xiao)果好,節能等特點(dian)。那么容(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)怎么選擇?容(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)的(de)四大優點(dian)隨著時代的(de)發展,科技的(de)進(jin)步,容(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)器(qi)作為(wei)(wei)一(yi)(yi)種(zhong)(zhong)熱(re)(re)(re)交換(huan)(huan)設備,廣泛(fan)應用(yong)(yong)(yong)(yong)于各(ge)行各(ge)業。其(qi)中有(you)(you)一(yi)(yi)種(zhong)(zhong)是(shi)波紋(wen)管(guan)(guan)式(shi)換(huan)(huan)熱(re)(re)(re)器(qi),它一(yi)(yi)改傳統換(huan)(huan)熱(re)(re)(re)器(qi)使(shi)用(yong)(yong)(yong)(yong)厚(hou)壁鋼管(guan)(guan)做換(huan)(huan)熱(re)(re)(re)管(guan)(guan),而(er)采用(yong)(yong)(yong)(yong)薄(bo)壁不(bu)銹鋼管(guan)(guan)做換(huan)(huan)熱(re)(re)(re)管(guan)(guan),并(bing)利用(yong)(yong)(yong)(yong)特殊裝置(zhi)在薄(bo)壁不(bu)銹鋼管(guan)(guan)上(shang)加工出(chu)波紋(wen),使(shi)其(qi)成(cheng)為(wei)(wei)一(yi)(yi)種(zhong)(zhong)沿換(huan)(huan)熱(re)(re)(re)管(guan)(guan)軸線方向上(shang)其(qi)橫截面(mian)積呈周期性變化。
容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi):容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)是利用(yong)冷、熱(re)(re)(re)(re)(re)流體交(jiao)(jiao)(jiao)替流經(jing)蓄(xu)熱(re)(re)(re)(re)(re)室(shi)中的(de)(de)(de)(de)蓄(xu)熱(re)(re)(re)(re)(re)體(填料)表面,從而進行熱(re)(re)(re)(re)(re)量(liang)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)的(de)(de)(de)(de)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。間壁容積(ji)(ji)(ji)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)(de)冷、熱(re)(re)(re)(re)(re)流體被(bei)固體間壁隔(ge)開(kai),并通過間壁進行熱(re)(re)(re)(re)(re)量(liang)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)的(de)(de)(de)(de)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi),因(yin)此又(you)稱表面式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)優點(dian)(dian):積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)(de)(de)(de)6優點(dian)(dian)1)容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)兼具換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)、貯(zhu)熱(re)(re)(re)(re)(re)功能(neng)。有較大的(de)(de)(de)(de)貯(zhu)熱(re)(re)(re)(re)(re)量(liang),可以提前加熱(re)(re)(re)(re)(re),將熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)貯(zhu)存(cun)在(zai)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)內, 熱(re)(re)(re)(re)(re)媒的(de)(de)(de)(de)小時(shi)(shi)耗熱(re)(re)(re)(re)(re)量(liang)可隨加熱(re)(re)(re)(re)(re)時(shi)(shi)間的(de)(de)(de)(de)加長(chang)而減小其峰值(zhi)。2)容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)適(shi)用(yong)于熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)用(yong)量(liang)大,且用(yong)水(shui)(shui)(shui)(shui)不均勻的(de)(de)(de)(de)建筑物(wu),如(ru)酒店的(de)(de)(de)(de)生活用(yong)水(shui)(shui)(shui)(shui)。3)被(bei)加熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)通過罐體阻(zu)力損失小。4)結構簡單、管理方便(bian),可承受水(shui)(shui)(shui)(shui)壓,噪(zao)低。積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)(de)(de)(de)6優點(dian)(dian)5)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)面積(ji)(ji)(ji)大,換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)量(liang)高(gao)。6)供(gong)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)壓、水(shui)(shui)(shui)(shui)溫穩定、安全、節(jie)水(shui)(shui)(shui)(shui)、用(yong)水(shui)(shui)(shui)(shui)舒適(shi)。使用(yong)壽命(ming)長(chang)。容積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)缺點(dian)(dian):積(ji)(ji)(ji)式熱(re)(re)(re)(re)(re)交(jiao)(jiao)(jiao)換(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)(de)(de)(de)6優點(dian)(dian)1)外形體積(ji)(ji)(ji)較大、換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效率相對較低。2)殼程(cheng)與殼程(cheng)清(qing)洗不方便(bian),維修困難。3)漸熱(re)(re)(re)(re)(re)速(su)度慢,不適(shi)用(yong)與間歇工作的(de)(de)(de)(de)用(yong)水(shui)(shui)(shui)(shui)場合,如(ru)職工浴室(shi)。