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管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)熱(re)(re)器(qi)(qi)(shell and tube heat exchanger)又稱(cheng)列(lie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)式(shi)換(huan)熱(re)(re)器(qi)(qi)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)熱(re)(re)器(qi)(qi)是(shi)以(yi)封閉在(zai)殼(ke)(ke)(ke)體中管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束的(de)(de)壁面(mian)作為(wei)(wei)傳熱(re)(re)面(mian)的(de)(de)間壁式(shi)換(huan)熱(re)(re)器(qi)(qi)。這種換(huan)熱(re)(re)器(qi)(qi)結(jie)構較(jiao)簡單(dan),操作可靠,可用(yong)(yong)各種結(jie)構材料(主(zhu)要是(shi)金屬(shu)材料)制造,能在(zai)高溫、高壓下使用(yong)(yong),是(shi)目前應(ying)用(yong)(yong)廣(guang)的(de)(de)類型(xing)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)熱(re)(re)器(qi)(qi)是(shi)怎(zen)樣運行的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)熱(re)(re)器(qi)(qi)由殼(ke)(ke)(ke)體、傳熱(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)、折流(liu)(liu)板(ban)(ban)(ban)(ban)(擋板(ban)(ban)(ban)(ban))和管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱等部(bu)件組成。殼(ke)(ke)(ke)體多為(wei)(wei)圓筒形(xing),內(nei)部(bu)裝有管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束,管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束兩端固定在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)上。進行換(huan)熱(re)(re)的(de)(de)冷熱(re)(re)兩種流(liu)(liu)體,一種在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)流(liu)(liu)動(dong)(dong)(dong),稱(cheng)為(wei)(wei)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)程(cheng)流(liu)(liu)體;另(ling)一種在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)動(dong)(dong)(dong),稱(cheng)為(wei)(wei)殼(ke)(ke)(ke)程(cheng)流(liu)(liu)體。為(wei)(wei)提(ti)高管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)體的(de)(de)傳熱(re)(re)分系數(shu),通(tong)常在(zai)殼(ke)(ke)(ke)體內(nei)安裝若(ruo)干擋板(ban)(ban)(ban)(ban)。擋板(ban)(ban)(ban)(ban)可提(ti)高殼(ke)(ke)(ke)程(cheng)流(liu)(liu)體速度,迫使流(liu)(liu)體按規定路(lu)程(cheng)多次橫向(xiang)通(tong)過管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束,增(zeng)強(qiang)流(liu)(liu)體湍流(liu)(liu)程(cheng)度。換(huan)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)(ban)(ban)(ban)上可按等邊三角(jiao)形(xing)或正(zheng)(zheng)方形(xing)排(pai)列(lie)。等邊三角(jiao)形(xing)排(pai)列(lie)較(jiao)緊(jin)湊,管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)體湍動(dong)(dong)(dong)程(cheng)度高,傳熱(re)(re)分系數(shu)大;正(zheng)(zheng)方形(xing)排(pai)列(lie)則管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外清(qing)洗方便,適(shi)用(yong)(yong)于易結(jie)垢的(de)(de)流(liu)(liu)體。
容(rong)積式換(huan)熱(re)(re)器也叫壓(ya)力容(rong)器,屬于(yu)承壓(ya)設備(bei)。企業要有壓(ya)力容(rong)器生(sheng)產許可證(zheng)才能生(sheng)產。更加屬于(yu)當地的(de)(de)鍋檢部(bu)門監(jian)管(guan)的(de)(de)范疇,它主(zhu)要由筒體、蒸(zheng)汽盤(pan)管(guan)或管(guan)束(shu)組(zu)件,蒸(zheng)汽進(jin)(jin)出(chu)口、冷熱(re)(re)水(shui)(shui)(shui)進(jin)(jin)出(chu)口等(deng)(deng)組(zu)成。容(rong)積式換(huan)熱(re)(re)器是經(jing)過機電部(bu)華(hua)東測試(shi)中心站(zhan)的(de)(de)熱(re)(re)力性能測定(ding),從(cong)建筑部(bu)建筑設計(ji)總院(yuan)引進(jin)(jin)的(de)(de)新型換(huan)熱(re)(re)器,容(rong)積式換(huan)熱(re)(re)器具有貯水(shui)(shui)(shui)量大,換(huan)熱(re)(re)出(chu)水(shui)(shui)(shui)溫度穩定(ding)的(de)(de)特點(dian),廣泛應用于(yu)生(sheng)活用水(shui)(shui)(shui)和洗澡(zao)水(shui)(shui)(shui)。容(rong)積式換(huan)熱(re)(re)器主(zhu)要的(de)(de)組(zu)成部(bu)分有哪些它是在利(li)用“RV-02”雙管(guan)束(shu)容(rong)積式換(huan)熱(re)(re)器系列的(de)(de)成功經(jing)驗后,克服(fu)老產品耗鋼量大、對設備(bei)用房要求(qiu)高及(ji)品種規格少、選用局限性大等(deng)(deng)缺(que)點(dian),其熱(re)(re)力性能遠超過其它同類產品,是目(mu)前熱(re)(re)水(shui)(shui)(shui)用水(shui)(shui)(shui)單(dan)位(wei)理想(xiang)和明智的(de)(de)換(huan)熱(re)(re)設備(bei)。
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,優質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,熱交換器廠家為了保證殼(ke)(ke)(ke)(ke)程(cheng)流體能(neng)(neng)夠橫向(xiang)流過管(guan)(guan)束(shu),以形成較(jiao)高(gao)的傳熱(re)速(su)率(lv),在外殼(ke)(ke)(ke)(ke)上裝有許(xu)多擋板。管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)管(guan)(guan)束(shu)腐蝕(shi)和磨蝕(shi)失(shi)效的主要原因管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)在使(shi)用的過程(cheng)中(zhong)可能(neng)(neng)會發(fa)生失(shi)效的情(qing)況,常見的失(shi)效是管(guan)(guan)束(shu)失(shi)效的情(qing)況管(guan)(guan)束(shu)腐蝕(shi)和磨蝕(shi)失(shi)效、傳熱(re)能(neng)(neng)力(li)下降、管(guan)(guan)束(shu)泄(xie)漏.以下是關于管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)官術失(shi)效的具體介紹。管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)出現管(guan)(guan)束(shu)失(shi)效的情(qing)況有哪些?管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)的失(shi)效大多數是由(you)腐蝕(shi)引(yin)起的。最常見的管(guan)(guan)殼(ke)(ke)(ke)(ke)式(shi)換熱(re)器(qi)腐蝕(shi)部位是換熱(re)管(guan)(guan),然后依次是管(guan)(guan)板、換熱(re)器(qi)封頭(tou) 及小直(zhi)徑(jing)的接管(guan)(guan)。
誤(wu)區(qu)一、只(zhi)比較換(huan)熱面(mian)(mian)積好多用(yong)(yong)戶在詢價(jia)時,只(zhi)向詢價(jia)單元(yuan)提(ti)供(gong)換(huan)熱面(mian)(mian)積,的(de)(de)確(que)不管哪品種型的(de)(de)容(rong)積式換(huan)熱器,管殼(ke)式換(huan)熱器面(mian)(mian)積相同(tong)的(de)(de)狀況下,型號(hao)差(cha)(cha)別(bie)(bie)、結(jie)構構成(cheng)差(cha)(cha)別(bie)(bie)、所用(yong)(yong)材質規(gui)格差(cha)(cha)別(bie)(bie)、流程(cheng)組(zu)合差(cha)(cha)別(bie)(bie),它們(men)的(de)(de)價(jia)錢是不具有可比性(xing)的(de)(de),并且在運用(yong)(yong)流程(cheng)中所表(biao)示(shi)出(chu)來的(de)(de)工作(zuo)功(gong)能(neng)也(ye)會(hui)有很大差(cha)(cha)異。誤(wu)區(qu)二、拿著某(mou)一個廠家(jia)的(de)(de)選型單詢價(jia)差(cha)(cha)別(bie)(bie)的(de)(de)生產廠家(jia),緣于(yu)本身的(de)(de)加工才能(neng)、實際使用(yong)(yong)經歷(li) 、引薦習氣等要(yao)素(su),往往對用(yong)(yong)戶的(de)(de)某(mou)一運用(yong)(yong)要(yao)求及(ji)工藝工況并不明(ming)白得十分透徹,計劃(hua)選型會(hui)出(chu)現偏頗。