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熱容積式換熱器是一種新型高效換熱設備,容積式熱交換器哪家好它集波紋管換熱器和容積式換熱器的有限于一體,采用薄壁不銹鋼波紋管作為換熱元件。由于波紋管獨特的波形,實現了管內外充分湍流,打破了邊界層,降低了管壁熱阻,提高了管內的給熱系數。波紋管即熱容積式換熱器在溫差應力的作用下,波紋在軸向存在伸縮變形,使管壁不宜結垢,即使結垢,也會由于管子的伸縮而脫落。因此,該系列容積式換熱器具有如下特點:1、換熱效率高。2、防垢、除垢能力強。3、儲水量大,出水溫度恒定。4、出水能力是其他容積式換熱器的3-5倍。5、體積小,占地面積小,可節省占地面積30%-80%。波紋管即熱容積式換舟山容積式熱交換器哪家好熱器分為(wei)(wei)立式與臥式兩(liang)種系列,按照熱源介質分為(wei)(wei)汽(qi)水(shui)(shui)型(xing)與水(shui)(shui)水(shui)(shui)型(xing)。
回(hui)用(yong)性能的(de)(de)(de)檢驗(yan)和檢測(ce)。在(zai)懷(huai)疑有銹蝕的(de)(de)(de)情況下對(dui)換(huan)(huan)熱(re)器(qi)(qi)及管道的(de)(de)(de)壁(bi)厚進(jin)行檢查(cha);清除老化的(de)(de)(de)密(mi)(mi)封(feng)(feng)件,根據不同的(de)(de)(de)污垢,采用(yong)酸堿進(jin)行化學(xue)(xue)清洗(xi),被清洗(xi)零部件的(de)(de)(de)表面(mian)不會受到(dao)化學(xue)(xue)介質的(de)(de)(de)腐(fu)蝕侵(qin)害;還要(yao)著重檢查(cha)密(mi)(mi)封(feng)(feng)槽的(de)(de)(de)情況,必(bi)要(yao)時進(jin)行修整(zheng);五是(shi)對(dui)于粘接式密(mi)(mi)封(feng)(feng)墊,將徹(che)底清除殘留(liu)的(de)(de)(de)物質,使用(yong)調和式粘接膠(jiao)重新(xin)粘接,重新(xin)組合的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)片(pian)(pian)組在(zai)專用(yong)夾(jia)具中(zhong)夾(jia)緊,使粘接劑固化,在(zai)保(bao)溫(wen)爐(lu)中(zhong)加(jia)熱(re)保(bao)溫(wen),以達(da)到(dao)粘接效果。如果沒(mei)有備用(yong)的(de)(de)(de)密(mi)(mi)封(feng)(feng)墊,必(bi)須從(cong)整(zheng)個板(ban)式換(huan)(huan)熱(re)器(qi)(qi)組中(zhong)取(qu)下受損密(mi)(mi)封(feng)(feng)墊兩(liang)側的(de)(de)(de)散熱(re)片(pian)(pian),然后(hou)對(dui)剩余散熱(re)片(pian)(pian)的(de)(de)(de)密(mi)(mi)封(feng)(feng)墊結合面(mian)進(jin)行檢查(cha)。必(bi)須嚴格按(an)照使用(yong)說明(ming)書中(zhong)的(de)(de)(de)要(yao)求安裝剩余的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)片(pian)(pian),為了保(bao)證剩余的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)有足夠(gou)的(de)(de)(de)應力(li)以抵抗負載,必(bi)須將原(yuan)來各片(pian)(pian)允許承受的(de)(de)(de)應力(li)乘以原(yuan)來的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)片(pian)(pian)數,所得(de)的(de)(de)(de)積再(zai)除以當前剩余換(huan)(huan)熱(re)器(qi)(qi)的(de)(de)(de)片(pian)(pian)數,得(de)到(dao)現在(zai)每個換(huan)(huan)熱(re)器(qi)(qi)片(pian)(pian)必(bi)須承受的(de)(de)(de)組裝應力(li)數值。
管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)又(you)稱(cheng)列(lie)管(guan)(guan)(guan)(guan)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)、列(lie)管(guan)(guan)(guan)(guan)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)、管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)、殼(ke)(ke)(ke)管(guan)(guan)(guan)(guan)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)、殼(ke)(ke)(ke)管(guan)(guan)(guan)(guan)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi),關于管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)名稱(cheng)各(ge)種叫法都(dou)有,比(bi)較常見(jian)說法就(jiu)是管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)和列(lie)管(guan)(guan)(guan)(guan)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)。管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)組成及優點: 管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)主要(yao)有殼(ke)(ke)(ke)體(ti)(ti)、管(guan)(guan)(guan)(guan)束(shu)、折流板、管(guan)(guan)(guan)(guan)板和封頭等部分(fen)組成,殼(ke)(ke)(ke)體(ti)(ti)多呈圓形,內部裝有平(ping)行(xing)管(guan)(guan)(guan)(guan)束(shu)或(huo)者(zhe)螺旋管(guan)(guan)(guan)(guan),管(guan)(guan)(guan)(guan)束(shu)安裝在(zai)(zai)殼(ke)(ke)(ke)體(ti)(ti)內,兩(liang)(liang)端固定于管(guan)(guan)(guan)(guan)板上,封頭用(yong)螺栓與殼(ke)(ke)(ke)體(ti)(ti)兩(liang)(liang)端的(de)法蘭相(xiang)連。管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)內進(jin)行(xing)換(huan)(huan)(huan)(huan)熱(re)(re)(re)的(de)兩(liang)(liang)種流體(ti)(ti)在(zai)(zai)管(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)內進(jin)行(xing)換(huan)(huan)(huan)(huan)熱(re)(re)(re)的(de)兩(liang)(liang)種流體(ti)(ti):(1)一(yi)種在(zai)(zai)管(guan)(guan)(guan)(guan)內流動(dong),其行(xing)程(cheng)稱(cheng)為(wei)管(guan)(guan)(guan)(guan)程(cheng);(2)一(yi)種在(zai)(zai)管(guan)(guan)(guan)(guan)外流動(dong),其行(xing)程(cheng)稱(cheng)為(wei)殼(ke)(ke)(ke)程(cheng);(3)管(guan)(guan)(guan)(guan)束(shu)的(de)壁面(mian)(mian)即(ji)為(wei)傳熱(re)(re)(re)面(mian)(mian)。管(guan)(guan)(guan)(guan)子(zi)的(de)型號不一(yi),過程(cheng)一(yi)般為(wei)直徑16mm20mm或(huo)者(zhe)25mm三個型號;4)管(guan)(guan)(guan)(guan)壁厚度(du)一(yi)般為(wei)1mm,1.5mm,2mm以(yi)及2.5mm。
容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)是一種(zhong)在(zai)工業(ye)上應(ying)用(yong)很廣泛的(de)(de)機械(xie)設(she)備,具有儲水(shui)(shui)(shui)(shui)(shui)量大(da)、水(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)穩(wen)定等(deng)優點。那么大(da)家知道(dao)容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)組成種(zhong)類有哪些嗎?FPR浮(fu)動盤管(guan)(guan)容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)特點又是怎樣的(de)(de)呢?下(xia)面(mian)就跟隨小編一起看一下(xia)吧。以下(xia)關(guan)于(yu)“容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)組成類型(xing)(xing)(xing)(xing)及特性(xing)(xing)有哪些”的(de)(de)介紹。容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)主要由貯水(shui)(shui)(shui)(shui)(shui)罐(guan)體(ti)、換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)盤管(guan)(guan)管(guan)(guan)束(shu)、熱(re)(re)(re)(re)(re)媒(mei)進(jin)(jin)出口(kou)、冷(leng)熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)進(jin)(jin)出口(kou)及各種(zhong)儀表和(he)安全閥接(jie)口(kou)等(deng)組成容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)可(ke)省掉熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)箱(罐(guan)),熱(re)(re)(re)(re)(re)媒(mei)通人盤管(guan)(guan)管(guan)(guan)束(shu)與罐(guan)體(ti)內的(de)(de)水(shui)(shui)(shui)(shui)(shui)進(jin)(jin)行換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re),使罐(guan)內水(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)升高(gao)而達到使用(yong)熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)要求(qiu),屬間接(jie)加熱(re)(re)(re)(re)(re)方式(shi)。容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)種(zhong)類很多,從外型(xing)(xing)(xing)(xing)上可(ke)分(fen)立式(shi)和(he)臥式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi);從熱(re)(re)(re)(re)(re)媒(mei)性(xing)(xing)質可(ke)分(fen)汽(qi)水(shui)(shui)(shui)(shui)(shui)型(xing)(xing)(xing)(xing)和(he)水(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)型(xing)(xing)(xing)(xing),即熱(re)(re)(re)(re)(re)媒(mei)可(ke)采用(yong)蒸汽(qi)或高(gao)溫(wen)(wen)水(shui)(shui)(shui)(shui)(shui);從罐(guan)體(ti)內結(jie)構而分(fen)有容(rong)積(ji)(ji)式(shi)和(he)半(ban)容(rong)積(ji)(ji)式(shi)(半(ban)即熱(re)(re)(re)(re)(re)浮(fu)動盤管(guan)(guan)式(shi))等(deng)類型(xing)(xing)(xing)(xing)。容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi),其罐(guan)體(ti)內充滿(man)水(shui)(shui)(shui)(shui)(shui),冷(leng)水(shui)(shui)(shui)(shui)(shui)自換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)底(di)部進(jin)(jin)入(ru),熱(re)(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)從罐(guan)體(ti)頂部流出。
在(zai)檢(jian)修(xiu)維(wei)護換(huan)熱(re)器汽(qi)包(bao)時發(fa)現(xian)汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)泄(xie)漏(lou),在(zai)汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)的閥蓋角焊縫(feng)處出現(xian)裂紋,裂紋平(ping)行于焊縫(feng)。采用宏(hong)觀(guan)形(xing)(xing)貌(mao)分(fen)(fen)析、化學成分(fen)(fen)分(fen)(fen)析、金相(xiang)檢(jian)驗、顯微(wei)硬度(du)測定(ding)、能譜分(fen)(fen)析以及應(ying)(ying)力(li)(li)分(fen)(fen)析等(deng)方法對泄(xie)漏(lou)處進行了分(fen)(fen)析。結果表(biao)明(ming),汽(qi)包(bao)中水質含有較高濃度(du)的堿(jian)(jian)性元(yuan)(yuan)素(su)和氯、硫、氧等(deng)強(qiang)腐(fu)蝕(shi)性元(yuan)(yuan)素(su),又(you)在(zai)焊接殘(can)余應(ying)(ying)力(li)(li)的作用下(xia)發(fa)生應(ying)(ying)力(li)(li)腐(fu)蝕(shi)開裂,最后(hou)(hou)導致汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)產生泄(xie)漏(lou)。應(ying)(ying)力(li)(li)腐(fu)蝕(shi);沿晶(jing);堿(jian)(jian)脆;軋制帶狀組織某化工廠換(huan)熱(re)器汽(qi)包(bao)于1996年投入使用,于2005年上半(ban)年維(wei)護檢(jian)修(xiu)時發(fa)現(xian)滲漏(lou)。經去(qu)除外(wai)面保(bao)溫材料(liao)后(hou)(hou),發(fa)現(xian)汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)的蓋板角焊縫(feng)位置出現(xian)裂紋,裂紋為(wei)穿透型,起(qi)源(yuan)于汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)內表(biao)面,換(huan)熱(re)器外(wai)形(xing)(xing)尺寸為(wei)1632mm9423mm,汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)外(wai)形(xing)(xing)尺寸1632mm400mm,汽(qi)包(bao)封(feng)(feng)頭(tou)(tou)(tou)材料(liao)為(wei)16MnR鋼。
容積(ji)(ji)式和(he)半容積(ji)(ji)式的(de)就差在:半容式的(de)換(huan)(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)束帶筒體,而(er)容積(ji)(ji)式的(de)不(bu)帶.容積(ji)(ji)式熱(re)(re)(re)(re)交換(huan)(huan)(huan)器(qi)(qi)優點(dian)1、傳(chuan)熱(re)(re)(re)(re)系(xi)數高(gao) 彈性管(guan)(guan)(guan)束管(guan)(guan)(guan)是用(yong)(yong)(yong)(yong)高(gao)導熱(re)(re)(re)(re)系(xi)數的(de)紫銅制成高(gao)效傳(chuan)熱(re)(re)(re)(re)元(yuan)件,加(jia)上合理(li)的(de)換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)內部結構(gou),大大提(ti)高(gao)了換(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)性能(neng)(neng)。、不(bu)易(yi)結垢(gou) 由于(yu)換(huan)(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)多采用(yong)(yong)(yong)(yong)紫銅,而(er)且易(yi)形成湍流的(de)流體對(dui)換(huan)(huan)(huan)熱(re)(re)(re)(re)管(guan)(guan)(guan)壁面有較強的(de)沖刷作(zuo)用(yong)(yong)(yong)(yong),加(jia)上彈性管(guan)(guan)(guan)束本身(shen)有熱(re)(re)(re)(re)補償能(neng)(neng)力(li),通過熱(re)(re)(re)(re)脹冷縮有自潔作(zuo)用(yong)(yong)(yong)(yong),因(yin)此不(bu)易(yi)結垢(gou)。 3、無(wu)冷水(shui)(shui)(shui)(shui)(shui)區(qu),容積(ji)(ji)利用(yong)(yong)(yong)(yong)率高(gao) 加(jia)熱(re)(re)(re)(re)罐(guan)(guan)底部的(de)冷水(shui)(shui)(shui)(shui)(shui),在用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)量(liang)低于(yu)額定供(gong)水(shui)(shui)(shui)(shui)(shui)能(neng)(neng)力(li)時(shi),逐步將罐(guan)(guan)內冷水(shui)(shui)(shui)(shui)(shui)全部加(jia)熱(re)(re)(re)(re),此時(shi)無(wu)冷水(shui)(shui)(shui)(shui)(shui)區(qu),以維持熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)的(de)最大儲備量(liang)。當用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)量(liang)大于(yu)額定供(gong)水(shui)(shui)(shui)(shui)(shui)能(neng)(neng)力(li)時(shi),罐(guan)(guan)內儲存的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)和(he)即(ji)時(shi)加(jia)熱(re)(re)(re)(re)的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)同時(shi)向外供(gong)以度(du)過用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)高(gao)峰。當因(yin)事(shi)故或其他原因(yin)停供(gong)熱(re)(re)(re)(re)媒時(shi),能(neng)(neng)最大限度(du)地供(gong)應(ying)所出貯存的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)(shui)。