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管殼式換熱器是把換熱管束與管板連接后,再用筒體與管箱包起來,形成兩個獨立的空間。管內的通道及與其相貫通的管箱稱為管程;管外的通道及與其相貫通的部分稱為殼程。一種流體在管內流動,最好容積式熱交換器廠家而另一種流體在殼與管束之間從管外表面流過,容積式熱交換器廠家為(wei)了保(bao)證殼(ke)程(cheng)流體能夠橫向流過管(guan)(guan)(guan)束,以形成較高(gao)的傳熱(re)速率,在外(wai)殼(ke)上裝有(you)許多(duo)擋板(ban)。管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)管(guan)(guan)(guan)束腐(fu)(fu)蝕(shi)和磨蝕(shi)失(shi)(shi)效的主要(yao)原(yuan)因管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)在使用的過程(cheng)中可能會發生失(shi)(shi)效的情況(kuang),常(chang)見(jian)(jian)的失(shi)(shi)效是(shi)管(guan)(guan)(guan)束失(shi)(shi)效的情況(kuang)管(guan)(guan)(guan)束腐(fu)(fu)蝕(shi)和磨蝕(shi)失(shi)(shi)效、傳熱(re)能力下(xia)降、管(guan)(guan)(guan)束泄漏.以下(xia)是(shi)關(guan)于管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)官術失(shi)(shi)效的具體介紹。管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)出(chu)現管(guan)(guan)(guan)束失(shi)(shi)效的情況(kuang)有(you)哪些?管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)的失(shi)(shi)效大多(duo)數(shu)是(shi)由腐(fu)(fu)蝕(shi)引起的。最常(chang)見(jian)(jian)的管(guan)(guan)(guan)殼(ke)式換(huan)熱(re)器(qi)(qi)腐(fu)(fu)蝕(shi)部(bu)位是(shi)換(huan)熱(re)管(guan)(guan)(guan),然后依次(ci)是(shi)管(guan)(guan)(guan)板(ban)、換(huan)熱(re)器(qi)(qi)封頭 及(ji)小直徑的接管(guan)(guan)(guan)。
管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(shell and tube heat exchanger)又(you)稱列管(guan)(guan)(guan)(guan)(guan)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)是以(yi)封閉(bi)在(zai)(zai)殼(ke)(ke)(ke)體(ti)中管(guan)(guan)(guan)(guan)(guan)束(shu)的壁(bi)面作(zuo)為傳(chuan)熱(re)(re)(re)面的間壁(bi)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)。這種(zhong)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)結構較簡單,操作(zuo)可靠,可用(yong)各種(zhong)結構材料(主要是金屬材料)制造,能在(zai)(zai)高(gao)(gao)溫、高(gao)(gao)壓下(xia)使用(yong),是目前(qian)應用(yong)廣的類型(xing)。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)是怎(zen)樣運行的管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)由殼(ke)(ke)(ke)體(ti)、傳(chuan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)(guan)(guan)板、折流板(擋板)和(he)管(guan)(guan)(guan)(guan)(guan)箱(xiang)等部(bu)件組成(cheng)。殼(ke)(ke)(ke)體(ti)多為圓筒(tong)形,內部(bu)裝(zhuang)有管(guan)(guan)(guan)(guan)(guan)束(shu),管(guan)(guan)(guan)(guan)(guan)束(shu)兩端固定在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)板上(shang)。進(jin)行換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)的冷熱(re)(re)(re)兩種(zhong)流體(ti),一種(zhong)在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)內流動(dong),稱為管(guan)(guan)(guan)(guan)(guan)程流體(ti);另一種(zhong)在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)外流動(dong),稱為殼(ke)(ke)(ke)程流體(ti)。
容(rong)(rong)積(ji)(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)也(ye)叫壓(ya)力(li)(li)容(rong)(rong)器(qi)(qi),屬(shu)于(yu)承壓(ya)設備(bei)。企(qi)業要有(you)壓(ya)力(li)(li)容(rong)(rong)器(qi)(qi)生(sheng)產許可證才能生(sheng)產。更(geng)加屬(shu)于(yu)當(dang)地的(de)鍋(guo)檢(jian)部(bu)門監管的(de)范(fan)疇,它主(zhu)要由(you)筒體、蒸(zheng)汽盤管或管束組件(jian),蒸(zheng)汽進出(chu)口(kou)、冷熱(re)(re)(re)(re)水進出(chu)口(kou)等組成(cheng)(cheng)。容(rong)(rong)積(ji)(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)是經過機電部(bu)華東測(ce)試(shi)中(zhong)心(xin)站的(de)熱(re)(re)(re)(re)力(li)(li)性(xing)能測(ce)定(ding),從建筑部(bu)建筑設計總院引進的(de)新型換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi),容(rong)(rong)積(ji)(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)具有(you)貯水量(liang)大,換(huan)(huan)熱(re)(re)(re)(re)出(chu)水溫度穩定(ding)的(de)特點,廣泛應用(yong)于(yu)生(sheng)活(huo)用(yong)水和洗澡水。容(rong)(rong)積(ji)(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)主(zhu)要的(de)組成(cheng)(cheng)部(bu)分有(you)哪些它是在利(li)用(yong)“RV-02”雙管束容(rong)(rong)積(ji)(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)系列的(de)成(cheng)(cheng)功經驗后,克服老產品(pin)耗鋼量(liang)大、對設備(bei)用(yong)房要求高(gao)及品(pin)種(zhong)規格少、選用(yong)局限性(xing)大等缺點,其(qi)熱(re)(re)(re)(re)力(li)(li)性(xing)能遠超過其(qi)它同類產品(pin),是目(mu)前(qian)熱(re)(re)(re)(re)水用(yong)水單位理想和明智的(de)換(huan)(huan)熱(re)(re)(re)(re)設備(bei)。
一種容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)交換(huan)(huan)(huan)器(qi)(qi),它由器(qi)(qi)體(ti)、器(qi)(qi)體(ti)內的(de)(de)(de)蒸汽盤管(guan)組件(jian)以(yi)及蒸汽進口與出(chu)口,冷水(shui)(shui)(shui)(shui)(shui)(shui)進口與熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)出(chu)口組成,其(qi)特征(zheng)在于(yu)所(suo)述(shu)的(de)(de)(de)器(qi)(qi)體(ti)(1)的(de)(de)(de)內表面(mian)上噴涂(tu)有一層高溫(wen)熔化(hua)的(de)(de)(de)防腐合金層。容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)是在普通浮(fu)(fu)動盤管(guan)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)基礎上加(jia)大容(rong)(rong)(rong)積(ji)(ji)制成。主要用(yong)于(yu)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)供(gong)應系統。一般出(chu)口應加(jia)設自動控溫(wen)裝(zhuang)置以(yi)保證(zheng)洗澡水(shui)(shui)(shui)(shui)(shui)(shui)或(huo)衛生熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)適宜的(de)(de)(de)供(gong)水(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)度(du)。它除全面(mian)具備普通浮(fu)(fu)動盤管(guan)的(de)(de)(de)所(suo)有優點外,還(huan)可貯存一定的(de)(de)(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)量,以(yi)保證(zheng)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)及時(shi)供(gong)應。1、容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)熱(re)(re)(re)(re)媒溫(wen)降(jiang)(jiang)大。汽水(shui)(shui)(shui)(shui)(shui)(shui)換(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),凝結水(shui)(shui)(shui)(shui)(shui)(shui)出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)溫(wen)度(du)約50℃,回水(shui)(shui)(shui)(shui)(shui)(shui)管(guan)上下需(xu)設疏水(shui)(shui)(shui)(shui)(shui)(shui)器(qi)(qi),給使用(yong)維修帶來方便,水(shui)(shui)(shui)(shui)(shui)(shui)-水(shui)(shui)(shui)(shui)(shui)(shui)換(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),熱(re)(re)(re)(re)溫(wen)降(jiang)(jiang)為同型換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)2~2.5倍,120~150℃的(de)(de)(de)高溫(wen)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)(shui)換(huan)(huan)(huan)熱(re)(re)(re)(re)后可降(jiang)(jiang)至70~75℃。2、容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)換(huan)(huan)(huan)熱(re)(re)(re)(re)效果好,散(san)熱(re)(re)(re)(re)效果好,散(san)熱(re)(re)(re)(re)損(sun)失小,節能。
容(rong)(rong)積式(shi)(shi)和(he)半容(rong)(rong)積式(shi)(shi)的(de)(de)就(jiu)差在:半容(rong)(rong)式(shi)(shi)的(de)(de)換(huan)熱(re)(re)(re)管(guan)束帶筒體(ti),而容(rong)(rong)積式(shi)(shi)的(de)(de)不帶.容(rong)(rong)積式(shi)(shi)熱(re)(re)(re)交換(huan)器(qi)(qi)優點1、傳(chuan)熱(re)(re)(re)系數高(gao)(gao) 彈性(xing)管(guan)束管(guan)是用高(gao)(gao)導熱(re)(re)(re)系數的(de)(de)紫銅(tong)制成(cheng)(cheng)高(gao)(gao)效(xiao)傳(chuan)熱(re)(re)(re)元件,加上合理的(de)(de)換(huan)熱(re)(re)(re)器(qi)(qi)內部結構(gou),大(da)大(da)提高(gao)(gao)了(le)換(huan)熱(re)(re)(re)器(qi)(qi)的(de)(de)性(xing)能。、不易結垢 由(you)于換(huan)熱(re)(re)(re)管(guan)多采用紫銅(tong),而且易形成(cheng)(cheng)湍流的(de)(de)流體(ti)對換(huan)熱(re)(re)(re)管(guan)壁面(mian)有較強的(de)(de)沖刷作(zuo)用,加上彈性(xing)管(guan)束本(ben)身有熱(re)(re)(re)補償能力,通過(guo)(guo)熱(re)(re)(re)脹冷(leng)縮有自(zi)潔作(zuo)用,因(yin)此(ci)不易結垢。 3、無冷(leng)水(shui)(shui)(shui)區,容(rong)(rong)積利用率高(gao)(gao) 加熱(re)(re)(re)罐(guan)(guan)底(di)部的(de)(de)冷(leng)水(shui)(shui)(shui),在用水(shui)(shui)(shui)量(liang)低于額(e)定供(gong)水(shui)(shui)(shui)能力時(shi),逐步將罐(guan)(guan)內冷(leng)水(shui)(shui)(shui)全部加熱(re)(re)(re),此(ci)時(shi)無冷(leng)水(shui)(shui)(shui)區,以維持熱(re)(re)(re)水(shui)(shui)(shui)的(de)(de)最大(da)儲備量(liang)。當用水(shui)(shui)(shui)量(liang)大(da)于額(e)定供(gong)水(shui)(shui)(shui)能力時(shi),罐(guan)(guan)內儲存的(de)(de)熱(re)(re)(re)水(shui)(shui)(shui)和(he)即時(shi)加熱(re)(re)(re)的(de)(de)熱(re)(re)(re)水(shui)(shui)(shui)同時(shi)向外供(gong)以度(du)過(guo)(guo)用水(shui)(shui)(shui)高(gao)(gao)峰(feng)。當因(yin)事故(gu)或其他原(yuan)因(yin)停供(gong)熱(re)(re)(re)媒時(shi),能最大(da)限度(du)地供(gong)應所出貯存的(de)(de)熱(re)(re)(re)水(shui)(shui)(shui)。