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熱容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)是一種(zhong)新(xin)型(xing)高(gao)效(xiao)換(huan)(huan)(huan)熱設備,它集波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)換(huan)(huan)(huan)熱器(qi)(qi)和容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)的(de)有(you)限于(yu)一體,采用薄壁不(bu)銹鋼(gang)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)作(zuo)(zuo)為換(huan)(huan)(huan)熱元件(jian)。由于(yu)波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)獨(du)特的(de)波(bo)(bo)(bo)形,實現(xian)了(le)管(guan)(guan)內外充分湍(tuan)流,打破了(le)邊界(jie)層(ceng),降低了(le)管(guan)(guan)壁熱阻,提高(gao)了(le)管(guan)(guan)內的(de)給熱系(xi)數(shu)。波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)即熱容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)在溫差應力(li)的(de)作(zuo)(zuo)用下(xia),波(bo)(bo)(bo)紋(wen)(wen)在軸(zhou)向存在伸縮(suo)變形,使管(guan)(guan)壁不(bu)宜結垢(gou),即使結垢(gou),也(ye)會由于(yu)管(guan)(guan)子的(de)伸縮(suo)而脫落。因此,該(gai)系(xi)列(lie)容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)具有(you)如下(xia)特點(dian):1、換(huan)(huan)(huan)熱效(xiao)率高(gao)。2、防垢(gou)、除(chu)垢(gou)能(neng)力(li)強。3、儲水(shui)量大,出(chu)水(shui)溫度恒定。4、出(chu)水(shui)能(neng)力(li)是其他(ta)容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)的(de)3-5倍。5、體積(ji)(ji)(ji)小(xiao),占(zhan)地面(mian)積(ji)(ji)(ji)小(xiao),可節省占(zhan)地面(mian)積(ji)(ji)(ji)30%-80%。波(bo)(bo)(bo)紋(wen)(wen)管(guan)(guan)即熱容積(ji)(ji)(ji)式(shi)換(huan)(huan)(huan)熱器(qi)(qi)分為立(li)式(shi)與臥式(shi)兩種(zhong)系(xi)列(lie),按照熱源介質分為汽(qi)水(shui)型(xing)與水(shui)水(shui)型(xing)。
導(dao)流型容積(ji)式(shi)(shi)熱(re)(re)(re)交換(huan)器工(gong)作原(yuan)(yuan)理是(shi)什么?咨詢了(le)解(jie)這個問題的朋友大(da)都是(shi)初(chu)次接觸此類設備的安(an)裝使用單(dan)位,在施工(gong)過程中希望了(le)解(jie)這種設備的工(gong)作原(yuan)(yuan)理和(he)運(yun)行原(yuan)(yuan)理,以此更加(jia)專業科學的進(jin)行系統安(an)裝連(lian)接工(gong)作。熱(re)(re)(re)交換(huan)器原(yuan)(yuan)理:是(shi)用來使熱(re)(re)(re)量從熱(re)(re)(re)流體(ti)傳遞到(dao)冷流體(ti),以滿足規定的工(gong)藝要求的裝置(zhi),是(shi)對流傳熱(re)(re)(re)及熱(re)(re)(re)傳導(dao)的一種工(gong)業應(ying)用。 可(ke)以按(an)不同的方式(shi)(shi)分類。 按(an)其操作過程可(ke)分為間壁式(shi)(shi)、混合式(shi)(shi)、蓄熱(re)(re)(re)式(shi)(shi)(或(huo)稱回熱(re)(re)(re)式(shi)(shi))三大(da)類。通俗一點講就是(shi),為了(le)達到(dao)換(huan)熱(re)(re)(re)升溫或(huo)換(huan)熱(re)(re)(re)降(jiang)溫的目的,讓冷、熱(re)(re)(re)流體(ti)通過傳熱(re)(re)(re)管壁(銅材質或(huo)不銹鋼(gang)材質或(huo)碳鋼(gang)材質)進(jin)行傳熱(re)(re)(re)。
誤區一(yi)、只比較換熱面(mian)(mian)積好多用(yong)戶在詢(xun)價(jia)(jia)時,只向詢(xun)價(jia)(jia)單元(yuan)提供(gong)換熱面(mian)(mian)積,的(de)(de)確不(bu)管(guan)(guan)哪品種型(xing)的(de)(de)容積式換熱器,管(guan)(guan)殼式換熱器面(mian)(mian)積相同的(de)(de)狀況(kuang)下(xia),型(xing)號差(cha)(cha)別(bie)、結構構成差(cha)(cha)別(bie)、所用(yong)材質規格差(cha)(cha)別(bie)、流(liu)程組合差(cha)(cha)別(bie),它們的(de)(de)價(jia)(jia)錢(qian)是不(bu)具有可比性(xing)的(de)(de),并(bing)且在運(yun)用(yong)流(liu)程中所表示出(chu)來的(de)(de)工(gong)作功能(neng)也會(hui)有很大(da)差(cha)(cha)異。誤區二、拿著某(mou)一(yi)個廠家的(de)(de)選型(xing)單詢(xun)價(jia)(jia)差(cha)(cha)別(bie)的(de)(de)生產廠家,緣于本身的(de)(de)加工(gong)才能(neng)、實際(ji)使用(yong)經(jing)歷 、引薦習氣(qi)等要(yao)素,往往對用(yong)戶的(de)(de)某(mou)一(yi)運(yun)用(yong)要(yao)求及工(gong)藝工(gong)況(kuang)并(bing)不(bu)明白得十分透徹,計劃選型(xing)會(hui)出(chu)現偏(pian)頗。
封閉(bi)(bi)(bi)式(shi)(shi)(shi)冷(leng)(leng)卻塔(ta)和(he)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器同屬于(yu)水換(huan)熱(re)(re)(re)(re)(re)冷(leng)(leng)卻裝置,有(you)著(zhu)本質的(de)區別。閉(bi)(bi)(bi)式(shi)(shi)(shi)冷(leng)(leng)卻塔(ta)除了熱(re)(re)(re)(re)(re)交換(huan)的(de)過程,可以(yi)直接(jie)蒸發(fa)吸熱(re)(re)(re)(re)(re),將熱(re)(re)(re)(re)(re)量排走(zou),而管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器只能(neng)換(huan)熱(re)(re)(re)(re)(re),使用(yong)過程中(zhong)(zhong)還(huan)需(xu)要另(ling)外的(de)設備進行(xing)排熱(re)(re)(re)(re)(re)。今天小衛(wei)給(gei)大家(jia)詳細介紹一下管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器和(he)閉(bi)(bi)(bi)式(shi)(shi)(shi)冷(leng)(leng)卻塔(ta)有(you)著(zhu)哪些不同之處,在(zai)現實使用(yong)過程中(zhong)(zhong)閉(bi)(bi)(bi)式(shi)(shi)(shi)冷(leng)(leng)卻塔(ta)替代管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器已(yi)成趨一、封閉(bi)(bi)(bi)式(shi)(shi)(shi)冷(leng)(leng)卻塔(ta)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器概念及結(jie)構(gou)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器。是以(yi)封閉(bi)(bi)(bi)在(zai)殼(ke)(ke)(ke)(ke)體中(zhong)(zhong)管(guan)(guan)(guan)(guan)束的(de)壁(bi)(bi)面作為(wei)傳熱(re)(re)(re)(re)(re)面的(de)間壁(bi)(bi)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器。這種換(huan)熱(re)(re)(re)(re)(re)器結(jie)構(gou)較簡單,操(cao)作 ,可用(yong)各種結(jie)構(gou)材料(主要是金屬材料)制造,能(neng)在(zai)高管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)器由殼(ke)(ke)(ke)(ke)體、傳熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)束、管(guan)(guan)(guan)(guan)板(ban)(ban)、折流板(ban)(ban)(擋板(ban)(ban))和(he)管(guan)(guan)(guan)(guan)箱等部件組成。殼(ke)(ke)(ke)(ke)體多為(wei)圓筒形,內部裝有(you)管(guan)(guan)(guan)(guan)束,管(guan)(guan)(guan)(guan)束兩端(duan)固定在(zai)管(guan)(guan)(guan)(guan)板(ban)(ban)上。
管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)是(shi)把換(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)板連接后,再用筒體(ti)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)箱(xiang)包起(qi)來,形成(cheng)兩個(ge)獨立的(de)空間。管(guan)(guan)(guan)(guan)(guan)(guan)內的(de)通(tong)道及(ji)與(yu)其相(xiang)貫通(tong)的(de)管(guan)(guan)(guan)(guan)(guan)(guan)箱(xiang)稱(cheng)(cheng)為管(guan)(guan)(guan)(guan)(guan)(guan)程;管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)的(de)通(tong)道及(ji)與(yu)其相(xiang)貫通(tong)的(de)部分稱(cheng)(cheng)為殼(ke)(ke)程。一(yi)種流體(ti)在管(guan)(guan)(guan)(guan)(guan)(guan)內流動,而另一(yi)種流體(ti)在殼(ke)(ke)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)之間從管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)表面(mian)流過,為了保證殼(ke)(ke)程流體(ti)能夠(gou)橫向流過管(guan)(guan)(guan)(guan)(guan)(guan)束(shu),以形成(cheng)較高的(de)傳熱(re)(re)(re)(re)速率(lv),在外(wai)殼(ke)(ke)上(shang)裝(zhuang)有許多擋(dang)板。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐蝕(shi)(shi)(shi)和磨(mo)蝕(shi)(shi)(shi)失效(xiao)(xiao)的(de)主要(yao)原因管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)在使用的(de)過程中可能會發生失效(xiao)(xiao)的(de)情況,常見的(de)失效(xiao)(xiao)是(shi)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失效(xiao)(xiao)的(de)情況管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐蝕(shi)(shi)(shi)和磨(mo)蝕(shi)(shi)(shi)失效(xiao)(xiao)、傳熱(re)(re)(re)(re)能力下降、管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)泄漏(lou).以下是(shi)關于管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)官術(shu)失效(xiao)(xiao)的(de)具體(ti)介紹。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)出現管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失效(xiao)(xiao)的(de)情況有哪(na)些(xie)?管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)失效(xiao)(xiao)大多數是(shi)由腐蝕(shi)(shi)(shi)引(yin)起(qi)的(de)。最常見的(de)管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)腐蝕(shi)(shi)(shi)部位是(shi)換(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan),然(ran)后依次是(shi)管(guan)(guan)(guan)(guan)(guan)(guan)板、換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)封(feng)頭(tou) 及(ji)小直徑的(de)接管(guan)(guan)(guan)(guan)(guan)(guan)。
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.板式熱交換器價格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.山西板式熱交換器再用毛(mao)刷將合成樹脂粘接劑均勻(yun)涂在溝槽里..查(cha)(cha)看換熱器板片(pian)是否(fou)有(you)穿(chuan)孔(kong),一般用5倍的放大鏡,有(you)時也可用燈火(huo)或火(huo)油滲透法等逐(zhu)片(pian)查(cha)(cha)看.e.假如發(fa)現介質出入(ru)口短管及通道有(you)雜物堆積,則闡明過濾器失效,應及時清洗.