板式換(huan)(huan)熱器是一種***、緊(jin)湊(cou)的(de)換(huan)(huan)熱設備(bei)，19世紀(ji)(ji)80年代(dai)首先(xian)作(zuo)為連續(xu)低(di)溫(wen)殺(sha)菌器研制成功，到上(shang)世紀(ji)(ji)20年代(dai)開始(shi)應用(yong)(yong)于(yu)(yu)食(shi)品工(gong)(gong)業。由(you)于(yu)(yu)板式換(huan)(huan)熱器在制造和使用(yong)(yong)上(shang)都(dou)有(you)一些獨(du)特之處。因此，目前板式換(huan)(huan)熱器已經廣(guang)泛(fan)應用(yong)(yong)于(yu)(yu)石(shi)油、化工(gong)(gong)、輕工(gong)(gong)、電力、冶金(jin)、機械、能(neng)源等(deng)工(gong)(gong)業領(ling)域(yu)，成為換(huan)(huan)熱器家族中***競爭(zheng)力的(de)品種。我國是從上(shang)世紀(ji)(ji)60年代(dai)開始(shi)生(sheng)產板式換(huan)(huan)熱器，至今板式換(huan)(huan)熱器在我國很多領(l仙诚ing)域(yu)都(dou)得到廣(guang)说贝泛(fan)的(de)應用(yong)(yong)。

　　在(zai)(zai)(zai)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)技(ji)術中，換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)是(shi)不可缺少(shao)的(de)(de)(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)設(she)備，冷(leng)(leng)(leng)(leng)(leng)凝器(qi)(qi)(qi)(qi)(qi)、蒸(zheng)發(fa)(fa)器(qi)(qi)(qi)(qi)(qi)、回熱(re)器(qi)(qi)(qi)(qi)(qi)以(yi)及(ji)中間冷(leng)(leng)(leng)(leng)(leng)卻器(qi)(qi)(qi)(qi)(qi)等換(huan)(huan)熱(re)設(she)備，不僅在(zai)(zai)(zai)重量(liang)(liang)(liang)、體(ti)(ti)積(ji)和(he)(he)金屬耗(hao)量(liang)(liang)(liang)上(shang)占整(zheng)個制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)裝置(zhi)(zhi)的(de)(de)(de)(de)50%以(yi)上(shang)，而(er)(er)且(qie)對制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)性能(neng)也會產生重大(da)影響。因此強(qiang)化制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)換(huan)(huan)熱(re)器(qi)(qi勤讽)(qi)(qi)(qi)的(de)(de)(de)(de)傳熱(re)，減少(shao)重量(liang)(liang)(liang)和(he)(he)體(ti)(ti)積(ji)，降低(di)金屬消耗(hao)量(liang)(liang)(liang)一直是(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)技(ji)術中的(de)(de)(de)(de)發(fa)(fa)展(zhan)方(fang)向，現(xian)已出現(xian)了(le)一種新型的(de)(de)(de)(de)、全焊接式(shi)(shi)(shi)的(de)(de)(de)(de)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)在(zai)(zai)(zai)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)技(ji)術中的(de)(de)(de)(de)應用(yong)(yong)，并且(qie)表現(xian)出強(qiang)勁的(de)(de)(de)(de)發(fa)(fa)展(zhan)潛(qian)力。與制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)用(yong)(yong)殼程(cheng)(cheng)管式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)相比，除了(le)具(ju)有板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)一般(ban)特(te)點，制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)用(yong)(yong)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)還(huan)具(ju)有如下(xia)特(te)點。制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)充(chong)灌量(liang)(liang)(liang)小，有利于(yu)環境(jing)保護和(he)(he)降低(di)運(yun)行成(cheng)本殼管式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)殼側(ce)(ce)和(he)(he)管側(ce)(ce)的(de)(de)(de)(de)容積(ji)都(dou)很大(da)，要(yao)使制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)系統(tong)正常工作(zuo)，必須(xu)充(chong)灌大(da)量(liang)(liang)(liang)的(de)(de)(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)，而(er)(er)且(qie)還(huan)可能(neng)造成(cheng)環境(jing)污(wu)染。而(er)(er)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)一方(fang)面體(ti)(ti)積(ji)小，另一方(fang)面間距(ju)尺寸也小。凍結(jie)傾向少(shao)，抗凍性能(neng)高(gao)由于(yu)水在(zai)(zai)(zai)低(di)流(liu)速時，就能(neng)在(zai)(zai)(zai)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)中形成(cheng)高(gao)度紊流(liu)，溫度分布非常均勻，從而(er)(er)減少(shao)了(le)冷(leng)(leng)(leng)(leng)(leng)凍水的(de)(de)(de)(de)凍結(jie)傾向。即(ji)使發(fa)(fa)生了(le)凍結(jie)，也更能(neng)承受凍結(jie)所產生的(de)(de)(de)(de)壓力，而(er)(er)不像殼管式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)那樣容易使熱(re)管脹(zhang)裂(lie)，并且(qie)可以(yi)在(zai)(zai)(zai)結(jie)凍后繼續使用(yong)(yong)。蒸(zheng)發(fa)(fa)徹(che)底，經濟性高(gao)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)在(zai)(zai)(zai)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)器(qi)(qi)(qi)(qi)(qi)中蒸(zheng)發(fa)(fa)時，很容易實現(xian)完(wan)全蒸(zheng)發(fa)(fa)達(da)到無液(ye)態程(cheng)(cheng)度，因此在(zai)(zai)(zai)大(da)多數(shu)情況(kuang)下(xia)，制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)系統(tong)無須(xu)設(she)置(zhi)(zhi)氣液(ye)分離器(qi)(qi)(qi)(qi)(qi)。并且(qie)極易實現(xian)單元(yuan)化，安裝簡單方(fang)便，維護和(he)(he)運(yun)輸(shu)都(dou)可以(yi)節約費(fei)用(yong)(yong)，降低(di)成(cheng)本。

　　由(you)于與傳(chuan)統的(de)(de)(de)殼管式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)相(xiang)(xiang)比，制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)具有(you)(you)十分明顯(xian)的(de)(de)(de)發(fa)展(zhan)(zhan)優(you)勢，自上(shang)世(shi)紀(ji)70年代開(kai)始在(zai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)裝(zhuang)置中(zhong)得(de)到應用(yong)(yong)(yong)(yong)以(yi)來，已(yi)經(jing)日益受到人(ren)們的(de)(de)(de)重視，特(te)(te)別是許多發(fa)達國家(jia)(jia)，如歐(ou)洲、美國、澳大利亞等都非常(chang)重視制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)研究(jiu)(jiu)和應用(yong)(yong)(yong)(yong)。**在(zai)上(shang)世(shi)紀(ji)80年代開(kai)始研究(jiu)(jiu)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)，并(bing)在(zai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)裝(zhuang)置中(zhong)使用(yong)(yong)(yong)(yong)，收到了(le)良(liang)好的(de)(de)(de)經(jing)濟(ji)效益，世(shi)界上(shang)一(yi)(yi)些(xie)***的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)公(gong)司如約(yue)克、開(kai)利、日立等也相(xiang)(xiang)繼在(zai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)裝(zhuang)置中(zhong)采用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)。進(jin)(jin)(jin)(jin)入(ru)20世(shi)紀(ji)90年代后，制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)又得(de)到進(jin)(jin)(jin)(jin)一(yi)(yi)步(bu)發(fa)展(zhan)(zhan)，一(yi)(yi)種(zhong)能夠應用(yong)(yong)(yong)(yong)于氨(an)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統的(de)(de)(de)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)在(zai)瑞(rui)典斯特(te)(te)爾公(gong)司研制(zhi)(zhi)(zhi)(zhi)成功。這種(zhong)新型的(de)(de)(de)組(zu)合式板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)結合了(le)板(ban)(ban)框式和釬(han)焊式的(de)(de)(de)特(te)(te)點。與氟利昂(ang)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統相(xiang)(xiang)比，采用(yong)(yong)(yong)(yong)這種(zhong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)氨(an)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)系(xi)統不(bu)僅(jin)在(zai)機組(zu)材料、體積重量上(shang)有(you)(you)明顯(xian)的(de)(de)(de)優(you)勢，而(er)且性能系(xi)數(shu)也要高10%~20%。目前，這種(zhong)系(xi)統已(yi)經(jing)形成了(le)8個產(chan)(chan)品，冷(leng)(leng)量從10kw~1000kw。氨(an)用(yong)(yong)(yong)(yong)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)開(kai)發(fa)成功，不(bu)僅(jin)拓(tuo)寬了矢洲(le)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)在(zai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)技術中(zhong)的(de)(de)(de)應用(yong)(yong)(yong)(yong)范圍，而(er)且對保護大氣臭氧、保護環境都有(you)(you)重要意義，同時(shi)也必將促進(jin)(jin)(jin)(jin)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)技術的(de)(de)(de)進(jin)(jin)(jin)(jin)一(yi)(yi)步(bu)發(fa)展(zhan)(zhan)。我國自上(shang)世(shi)紀(ji)60年代初開(kai)始生(sheng)產(chan)(chan)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)，到1994年，以(yi)節(jie)能型產(chan)(chan)品定點的(de)(de)(de)板(ban)(ban)式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)生(sheng)產(chan)(chan)廠(chang)家(jia)(jia)即達15家(jia)(jia)，并(bing)且一(yi)(yi)些(xie)廠(chang)家(jia)(jia)還進(jin)(jin)(jin)(jin)行板(ban)(ban)式蒸(zheng)發(fa)器(qi)(qi)(qi)及其(qi)傳(chuan)熱(re)(re)(re)特(te)(te)性的(de)(de)(de)研究(jiu)(jiu)工作，然而(er)這些(xie)廠(chang)家(jia)(jia)也僅(jin)限于生(sheng)產(chan)(chan)板(ban)(ban)框式換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(DHE)。

　　在我國(guo)，制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)用(yong)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)應(ying)用(yong)尚處于(yu)起步(bu)階段，日前許多制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)廠家都(dou)在自(zi)己(ji)的(de)產(chan)品中采(cai)用(yong)了(le)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)用(yong)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)，而(er)且其(qi)產(chan)品廣(guang)泛的(de)受(shou)到用(yong)戶青睞。可以預(yu)計，隨(sui)著對制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)用(yong)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)了(le)解和(he)認(ren)識(shi)，板(ban)(ban厌运)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)以其(qi)***傳熱(re)(re)(re)(re)，結構緊(jin)湊，節(jie)能(neng)節(jie)材并具環(huan)保(bao)功能(neng)等(deng)(deng)特點(dian)，必將越(yue)來(lai)越(yue)廣(guang)泛地應(ying)用(yong)于(yu)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)裝置。板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)是一種(zhong)***緊(jin)湊的(de)換(huan)(huan)熱(re)(re)(re)(re)設(she)備，它(ta)的(de)應(ying)用(yong)幾乎涉及到所(suo)有的(de)工(gong)業(ye)領域，而(er)且其(qi)類型(xing)(xing)、結構和(he)使用(yong)范圍還在不斷發(fa)(fa)展。近年來(lai)，焊(han)接型(xing)(xing)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)緊(jin)湊性、重量輕、制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)性能(neng)好、運行成(cheng)本低等(deng)(deng)優(you)越(yue)性已越(yue)來(lai)越(yue)被人(ren)們所(suo)認(ren)識(shi)。隨(sui)著我國(guo)經濟的(de)發(fa)(fa)展，制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)技術的(de)發(fa)(fa)展前途遠大，特別(bie)是各(ge)種(zhong)大型(xing)(xing)的(de)工(gong)業(ye)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)裝置和(he)空調用(yong)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)裝置發(fa)(fa)展迅速，這為(wei)各(ge)種(zhong)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)用(yong)板(ban)(ban)(ban)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)應(ying)用(yong)提供了(le)廣(guang)闊(kuo)的(de)市場。