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管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)熱(re)(re)(re)器(shell and tube heat exchanger)又(you)稱(cheng)列管(guan)(guan)(guan)(guan)(guan)式換(huan)熱(re)(re)(re)器。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)熱(re)(re)(re)器是以封閉在殼(ke)(ke)(ke)體(ti)(ti)中管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)的壁面(mian)作為(wei)傳熱(re)(re)(re)面(mian)的間壁式換(huan)熱(re)(re)(re)器。這種(zhong)換(huan)熱(re)(re)(re)器結構較(jiao)簡(jian)單(dan),操(cao)作可靠,可用(yong)各種(zhong)結構材料(主(zhu)要是金屬材料)制造,能在高(gao)溫(wen)、高(gao)壓下使(shi)(shi)用(yong),是目(mu)前(qian)應用(yong)廣(guang)的類型(xing)。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)熱(re)(re)(re)器是怎樣運行的管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)熱(re)(re)(re)器由殼(ke)(ke)(ke)體(ti)(ti)、傳熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)、管(guan)(guan)(guan)(guan)(guan)板、折流(liu)(liu)板(擋(dang)板)和管(guan)(guan)(guan)(guan)(guan)箱等部件組(zu)成(cheng)。殼(ke)(ke)(ke)體(ti)(ti)多(duo)為(wei)圓筒形(xing)(xing),內部裝有管(guan)(guan)(guan)(guan)(guan)束(shu)(shu),管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)兩端(duan)固定在管(guan)(guan)(guan)(guan)(guan)板上(shang)。進行換(huan)熱(re)(re)(re)的冷熱(re)(re)(re)兩種(zhong)流(liu)(liu)體(ti)(ti),一(yi)種(zhong)在管(guan)(guan)(guan)(guan)(guan)內流(liu)(liu)動,稱(cheng)為(wei)管(guan)(guan)(guan)(guan)(guan)程流(liu)(liu)體(ti)(ti);另一(yi)種(zhong)在管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)流(liu)(liu)動,稱(cheng)為(wei)殼(ke)(ke)(ke)程流(liu)(liu)體(ti)(ti)。為(wei)提高(gao)管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)流(liu)(liu)體(ti)(ti)的傳熱(re)(re)(re)分(fen)系(xi)數(shu),通常在殼(ke)(ke)(ke)體(ti)(ti)內安裝若干擋(dang)板。擋(dang)板可提高(gao)殼(ke)(ke)(ke)程流(liu)(liu)體(ti)(ti)速度,迫(po)使(shi)(shi)流(liu)(liu)體(ti)(ti)按(an)規(gui)定路程多(duo)次橫向通過(guo)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu),增(zeng)強流(liu)(liu)體(ti)(ti)湍(tuan)流(liu)(liu)程度。換(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)在管(guan)(guan)(guan)(guan)(guan)板上(shang)可按(an)等邊三角形(xing)(xing)或(huo)正方(fang)形(xing)(xing)排列。等邊三角形(xing)(xing)排列較(jiao)緊湊,管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)流(liu)(liu)體(ti)(ti)湍(tuan)動程度高(gao),傳熱(re)(re)(re)分(fen)系(xi)數(shu)大;正方(fang)形(xing)(xing)排列則(ze)管(guan)(guan)(guan)(guan)(guan)外(wai)(wai)清洗方(fang)便,適用(yong)于易(yi)結垢的流(liu)(liu)體(ti)(ti)。
在實際應用工況下,供應板式換熱器廠家想要選擇一臺換熱器使它滿足理論情況下換熱器選型所具備的所有要求幾乎是不可能的。一般情況下,我們在幫換熱器選型時,在滿足生產工藝條件的前提下,僅考慮一個或幾個相對重要的因素就可以了。所謂重要影響因素具有不確定性,是相對而言的,通常是由設置換熱器的目的來確定的。換熱器應容易維護。這就要求換熱器容易清理,對于易腐蝕、強震動等破壞的原件應易于更換,換熱器應滿足工程實際場地的要求。選用換熱器時應根據場地的限制考慮換熱器的直徑、長度、重量和換熱管結構等。換熱器應盡可能的經濟。湖南板式換熱器廠家選用(yong)時應(ying)綜合考慮換(huan)熱(re)器的制造成本(ben)、安(an)裝(zhuang)費用(yong)、維護費用(yong)等,應(ying)使換(huan)熱(re)器盡可能的經濟。
板式(shi)換熱(re)器(qi)本(ben)身技術(shu)指標上存在(zai)過(guo)(guo)(guo)流孔徑,進(jin)(jin)水(shui)(shui)水(shui)(shui)質請求(qiu),經過(guo)(guo)(guo)比照(zhao)實踐(jian)進(jin)(jin)水(shui)(shui)水(shui)(shui)質指標(冷(leng)水(shui)(shui)進(jin)(jin)水(shui)(shui)水(shui)(shui)質,熱(re)水(shui)(shui)進(jin)(jin)水(shui)(shui)水(shui)(shui)質),需(xu)(xu)求(qiu)留意一下幾點:進(jin)(jin)水(shui)(shui)水(shui)(shui)質酸堿(jian)(jian)性(包(bao)括冷(leng)水(shui)(shui)和用于換熱(re)的熱(re)水(shui)(shui)),假如(ru)超(chao)(chao)出板式(shi)換熱(re)器(qi)進(jin)(jin)水(shui)(shui)技術(shu)指標,需(xu)(xu)求(qiu)加(jia)(jia)(jia)裝(zhuang)PH調理安裝(zhuang),避(bi)免過(guo)(guo)(guo)酸腐蝕或者過(guo)(guo)(guo)堿(jian)(jian)構造梗(geng)(geng)塞(sai);同事堿(jian)(jian)性也(ye)會(hui)腐蝕換熱(re)器(qi)密(mi)封橡膠圈(quan)招致走漏(lou)呈現.假如(ru)進(jin)(jin)水(shui)(shui)濁度超(chao)(chao)標或進(jin)(jin)水(shui)(shui)中雜質過(guo)(guo)(guo)多過(guo)(guo)(guo)大(包(bao)括冷(leng)水(shui)(shui)和用于換熱(re)的熱(re)水(shui)(shui)),倡議加(jia)(jia)(jia)裝(zhuang)自清洗過(guo)(guo)(guo)濾(lv)器(qi),避(bi)免板式(shi)換熱(re)器(qi)梗(geng)(geng)塞(sai),假如(ru)影響不是很大,只需(xu)(xu)在(zai)進(jin)(jin)水(shui)(shui)端(duan)加(jia)(jia)(jia)裝(zhuang)Y型過(guo)(guo)(guo)濾(lv)器(qi)即可.閉路(lu)循環(huan)要思(si)索增加(jia)(jia)(jia)加(jia)(jia)(jia)藥安裝(zhuang),如(ru)投加(jia)(jia)(jia)緩蝕阻垢劑避(bi)免結(jie)垢。
對于換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi),很多人都是(shi)(shi)(shi)(shi)(shi)非常熟悉的(de)(de)(de),換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)種類并不是(shi)(shi)(shi)(shi)(shi)單一(yi)的(de)(de)(de),管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)就(jiu)(jiu)是(shi)(shi)(shi)(shi)(shi)一(yi)種比較常見(jian)的(de)(de)(de)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi),很多人都想知道(dao)管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)(shi)如何工(gong)作(zuo)(zuo)(zuo)的(de)(de)(de),今天小編就(jiu)(jiu)為大家簡單的(de)(de)(de)介紹一(yi)下管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)原理(li)和結構(gou)。管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)有多層導熱(re)(re)(re)(re)特(te)性良(liang)好的(de)(de)(de)材料(liao)疊合而成工(gong)作(zuo)(zuo)(zuo)原理(li)和熱(re)(re)(re)(re)水器(qi)(qi)(qi)(qi)類似,熱(re)(re)(re)(re)水器(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)(shi)由燃(ran)氣燃(ran)燒時(shi)產(chan)生(sheng)熱(re)(re)(re)(re)而換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)是(shi)(shi)(shi)(shi)(shi)發熱(re)(re)(re)(re)的(de)(de)(de)介質不是(shi)(shi)(shi)(shi)(shi)明(ming)火(huo),換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)內部(bu)有兩路管(guan)道(dao)回(hui)路。管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)原理(li)是(shi)(shi)(shi)(shi)(shi)什么(me)一(yi)個是(shi)(shi)(shi)(shi)(shi)熱(re)(re)(re)(re)源(yuan)另一(yi)個是(shi)(shi)(shi)(shi)(shi)被(bei)加熱(re)(re)(re)(re)源(yuan)熱(re)(re)(re)(re)源(yuan)就(jiu)(jiu)像熱(re)(re)(re)(re)水器(qi)(qi)(qi)(qi)燃(ran)燒時(shi)的(de)(de)(de)火(huo)焰如熱(re)(re)(re)(re)水或蒸汽(qi)等。被(bei)加熱(re)(re)(re)(re)源(yuan)就(jiu)(jiu)像熱(re)(re)(re)(re)水器(qi)(qi)(qi)(qi)里被(bei)加熱(re)(re)(re)(re)的(de)(de)(de)水。還有熱(re)(re)(re)(re)源(yuan)回(hui)路中換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)熱(re)(re)(re)(re)源(yuan)進口前(qian)有一(yi)個調(diao)節閥(fa)通過改變這(zhe)個閥(fa)門(men)的(de)(de)(de)開度就(jiu)(jiu)可以調(diao)節被(bei)加熱(re)(re)(re)(re)源(yuan)的(de)(de)(de)溫度。管(guan)殼(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)由殼(ke)體(ti)、傳熱(re)(re)(re)(re)管(guan)束、管(guan)板(ban)、折流板(ban)(擋(dang)板(ban))和管(guan)箱等部(bu)件組成。
管(guan)(guan)殼(ke)式(shi)(shi)換熱(re)器(qi)(qi)又稱(cheng)列管(guan)(guan)式(shi)(shi)換熱(re)器(qi)(qi)。是以(yi)封閉在殼(ke)體中管(guan)(guan)束的(de)壁面作為傳熱(re)面的(de)間壁式(shi)(shi)換熱(re)器(qi)(qi)。這種(zhong)換熱(re)器(qi)(qi)結構(gou)(gou)較簡單,操作可(ke)靠,可(ke)用各(ge)種(zhong)結構(gou)(gou)材料(liao)制造(zao),能在高溫、高壓(ya)下使(shi)用,是目前應用廣泛的(de)類型。在使(shi)用一(yi)段時(shi)間之后(hou)對管(guan)(guan)殼(ke)式(shi)(shi)換熱(re)器(qi)(qi)清洗(xi)非常(chang)的(de)重要(yao),一(yi)般(ban)由于(yu)工(gong)業上使(shi)用長(chang)久管(guan)(guan)殼(ke)式(shi)(shi)換熱(re)器(qi)(qi)里面的(de)管(guan)(guan)道會(hui)出現各(ge)種(zhong)灰塵和沉淀物的(de)粘黏,導致換熱(re)效率(lv)下降,變相提高生(sheng)產成(cheng)本,嚴(yan)重還會(hui)導致管(guan)(guan)殼(ke)式(shi)(shi)換熱(re)器(qi)(qi)使(shi)用壽命,造(zao)成(cheng)損失。清洗(xi)有利于(yu)提高換熱(re)效率(lv):管(guan)(guan)殼(ke)式(shi)(shi)換熱(re)器(qi)(qi)或管(guan)(guan)道運行一(yi)段時(shi)間后(hou),表面往往會(hui)結一(yi)層污(wu)垢(gou),污(wu)垢(gou)一(yi)般(ban)較為致密堅硬(ying),熱(re)導率(lv)很小。污(wu)垢(gou)的(de)阻礙效率(lv)大(da)得驚人(ren),里面的(de)有機離(li)子、灰塵若(ruo)無重視可(ke)能導致不(bu)可(ke)避免的(de)其他問題的(de)產生(sheng)。