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管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)是(shi)(shi)(shi)把(ba)換(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)與管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)連(lian)接(jie)后,再用筒體與管(guan)(guan)(guan)(guan)(guan)(guan)箱包起來,形成(cheng)兩個獨立的(de)空間(jian)(jian)。管(guan)(guan)(guan)(guan)(guan)(guan)內的(de)通(tong)道及(ji)與其(qi)相貫通(tong)的(de)管(guan)(guan)(guan)(guan)(guan)(guan)箱稱(cheng)(cheng)為管(guan)(guan)(guan)(guan)(guan)(guan)程(cheng);管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)(wai)的(de)通(tong)道及(ji)與其(qi)相貫通(tong)的(de)部分稱(cheng)(cheng)為殼(ke)(ke)(ke)程(cheng)。一種流(liu)體在管(guan)(guan)(guan)(guan)(guan)(guan)內流(liu)動(dong),而另(ling)一種流(liu)體在殼(ke)(ke)(ke)與管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)之間(jian)(jian)從(cong)管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)(wai)表面流(liu)過,為了保證殼(ke)(ke)(ke)程(cheng)流(liu)體能(neng)夠橫向(xiang)流(liu)過管(guan)(guan)(guan)(guan)(guan)(guan)束(shu),以形成(cheng)較高的(de)傳(chuan)(chuan)熱(re)(re)(re)速率,在外(wai)(wai)殼(ke)(ke)(ke)上(shang)裝(zhuang)有許(xu)多擋板(ban)。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐(fu)蝕(shi)和(he)磨蝕(shi)失效(xiao)(xiao)的(de)主要原因管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)在使(shi)用的(de)過程(cheng)中可(ke)能(neng)會發生(sheng)失效(xiao)(xiao)的(de)情(qing)況,常見的(de)失效(xiao)(xiao)是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失效(xiao)(xiao)的(de)情(qing)況管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐(fu)蝕(shi)和(he)磨蝕(shi)失效(xiao)(xiao)、傳(chuan)(chuan)熱(re)(re)(re)能(neng)力下(xia)降、管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)泄漏.以下(xia)是(shi)(shi)(shi)關于管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)官術失效(xiao)(xiao)的(de)具體介紹。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)出現管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失效(xiao)(xiao)的(de)情(qing)況有哪些?管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)失效(xiao)(xiao)大多數是(shi)(shi)(shi)由腐(fu)蝕(shi)引(yin)起的(de)。最常見的(de)管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)腐(fu)蝕(shi)部位是(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan),然后依(yi)次是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、換(huan)(huan)(huan)熱(re)(re)(re)器(qi)封頭 及(ji)小直徑(jing)的(de)接(jie)管(guan)(guan)(guan)(guan)(guan)(guan)。
1. 本系列(lie)熱(re)(re)交(jiao)換器,熱(re)(re)媒(mei)既可(ke)單為蒸汽或(huo)高溫、低溫熱(re)(re)水,亦(yi)可(ke)交(jiao)替使(shi)(shi)用(yong)蒸汽或(huo)高、低溫熱(re)(re)水,設(she)(she)計選(xuan)用(yong)時(shi)請注明(ming)熱(re)(re)媒(mei)品種(zhong)。2. 本系列(lie)熱(re)(re)交(jiao)換器必須設(she)(she)置安(an)全(quan)裝置。下(xia)列(lie)三種(zhong)可(ke)任選(xuan)其一:(1) 熱(re)(re)交(jiao)換器頂(ding)部設(she)(she)置安(an)全(quan)閥,安(an)全(quan)閥的(de)(de)選(xuan)擇(ze)、使(shi)(shi)用(yong)和(he)安(an)裝應(ying)符合勞動(dong)部頒發的(de)(de)《壓力容器安(an)全(quan)技(ji)術監察規程(cheng)》的(de)(de)規定(ding)(ding)。(2) 頂(ding)部裝設(she)(she)接通大(da)氣的(de)(de)引(yin)出管(在(zai)有(you)條件(jian)的(de)(de)場合)。(3)裝設(she)(she)膨脹(zhang)水箱(xiang)。3. 本系列(lie)熱(re)(re)交(jiao)換器的(de)(de)支(zhi)座(zuo)按標準選(xuan)用(yong),三個支(zhi)座(zuo)中,一個固定(ding)(ding)支(zhi)座(zuo),兩個為活(huo)動(dong)支(zhi)座(zuo)。活(huo)動(dong)支(zhi)座(zuo)的(de)(de)地(di)腳螺栓采用(yong)雙螺母(mu),第(di)一個螺母(mu)在(zai)加一小墊片擰緊(jin)(jin)后(hou)倒退(tui)一圈,然后(hou)用(yong)第(di)二個螺母(mu)鎖緊(jin)(jin),以便支(zhi)座(zuo)能在(zai)基礎上自由滑動(dong)。4. 在(zai)使(shi)(shi)用(yong)中,應(ying)根據被加熱(re)(re)水水質(zhi)與使(shi)(shi)用(yong)情況(kuang)定(ding)(ding)期清(qing)理水垢(gou),當被加熱(re)(re)水硬度較高時(shi),宜采用(yong)適宜的(de)(de)軟化措施
管殼式換熱器是石油化工行業的重要設備,舟山板式換熱器價格它的腐蝕及保護對設備的長周期運行有著重要的意義;由于近年來加工原油中的硫、酸及雜質含量越來越高,對煉油換熱設備的防腐蝕性能及材料的選擇提出了更高的要求。文章對采用專用涂料與犧牲陽極綜合保護法進行了闡述,該方法工藝方案和特點是:管殼式換熱器的工藝方案和特點是什么表面處理要徹底,合理選取保護電流密度,按設計要求確定陽極塊,控制好濕度和溫度,涂料施工嚴格按照SHY-99涂料工藝進行,確保綜合防護的效果。板式換熱器目前國內石油、化纖、冶金、發電等企業的(de)(de)冷(leng)換(huan)(huan)器(qi)設備經常由于水(shui)垢(gou)、腐(fu)蝕產物和腐(fu)蝕物黏(nian)泥造成冷(leng)換(huan)(huan)器(qi)堵塞,致傳熱(re)系(xi)數下降,是冷(leng)卻水(shui)系(xi)統中常見(jian)的(de)(de)問(wen)題。由于碳酸鹽垢(gou)的(de)(de)導熱(re)系(xi)數只有碳鋼的(de)(de)1%左右,直接影響(xiang)到了(le)換(huan)(huan)熱(re)效率,增加了(le)系(xi)統的(de)(de)壓力降。
容積(ji)式(shi)(shi)換熱(re)器(qi)(qi)(qi)(qi)也叫壓力(li)(li)容器(qi)(qi)(qi)(qi),屬(shu)于(yu)承壓設(she)備(bei)。企業要(yao)有壓力(li)(li)容器(qi)(qi)(qi)(qi)生(sheng)產(chan)許可(ke)證才能生(sheng)產(chan)。更加屬(shu)于(yu)當地的(de)鍋檢部門監(jian)管(guan)的(de)范疇,它主要(yao)由(you)筒體(ti)、蒸汽盤管(guan)或管(guan)束組(zu)(zu)件,蒸汽進(jin)出口(kou)、冷熱(re)水進(jin)出口(kou)等(deng)組(zu)(zu)成。容積(ji)式(shi)(shi)換熱(re)器(qi)(qi)(qi)(qi)是經(jing)過機(ji)電部華東測試中心站的(de)熱(re)力(li)(li)性能測定(ding),從建筑部建筑設(she)計總院引進(jin)的(de)新(xin)型換熱(re)器(qi)(qi)(qi)(qi),容積(ji)式(shi)(shi)換熱(re)器(qi)(qi)(qi)(qi)具有貯水量大(da)(da),換熱(re)出水溫度穩定(ding)的(de)特(te)點(dian),廣泛應用(yong)(yong)于(yu)生(sheng)活用(yong)(yong)水和洗(xi)澡水。容積(ji)式(shi)(shi)換熱(re)器(qi)(qi)(qi)(qi)主要(yao)的(de)組(zu)(zu)成部分有哪些它是在利用(yong)(yong)“RV-02”雙管(guan)束容積(ji)式(shi)(shi)換熱(re)器(qi)(qi)(qi)(qi)系(xi)列的(de)成功經(jing)驗后,克服老(lao)產(chan)品(pin)耗鋼量大(da)(da)、對設(she)備(bei)用(yong)(yong)房要(yao)求高及品(pin)種(zhong)規格少、選用(yong)(yong)局限性大(da)(da)等(deng)缺點(dian),其熱(re)力(li)(li)性能遠(yuan)超(chao)過其它同類產(chan)品(pin),是目前熱(re)水用(yong)(yong)水單(dan)位理想和明智的(de)換熱(re)設(she)備(bei)。
管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)又稱列(lie)管(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。是以封閉在殼(ke)(ke)(ke)體中管(guan)(guan)束的壁面(mian)作為(wei)(wei)傳(chuan)熱(re)(re)(re)(re)(re)面(mian)的間壁式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。這種換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)結(jie)構較簡(jian)單(dan),操作可(ke)靠,可(ke)用(yong)(yong)各種結(jie)構材料制(zhi)造(zao)(zao),能在高溫(wen)、高壓下(xia)使(shi)(shi)用(yong)(yong),是目前(qian)應用(yong)(yong)廣泛的類型。在使(shi)(shi)用(yong)(yong)一(yi)(yi)段時(shi)間之后對管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)清(qing)洗非(fei)常的重(zhong)(zhong)要(yao),一(yi)(yi)般(ban)由于工業上(shang)使(shi)(shi)用(yong)(yong)長久管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)里(li)面(mian)的管(guan)(guan)道(dao)會出現各種灰塵和沉淀物的粘(zhan)黏,導(dao)致(zhi)(zhi)(zhi)(zhi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效率(lv)下(xia)降,變相提(ti)高生產成(cheng)本,嚴重(zhong)(zhong)還會導(dao)致(zhi)(zhi)(zhi)(zhi)管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)使(shi)(shi)用(yong)(yong)壽命,造(zao)(zao)成(cheng)損失。清(qing)洗有(you)利于提(ti)高換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效率(lv):管(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)或管(guan)(guan)道(dao)運(yun)行一(yi)(yi)段時(shi)間后,表面(mian)往往會結(jie)一(yi)(yi)層污垢,污垢一(yi)(yi)般(ban)較為(wei)(wei)致(zhi)(zhi)(zhi)(zhi)密堅硬,熱(re)(re)(re)(re)(re)導(dao)率(lv)很(hen)小(xiao)。污垢的阻礙效率(lv)大得驚(jing)人(ren),里(li)面(mian)的有(you)機(ji)離(li)子、灰塵若無重(zhong)(zhong)視可(ke)能導(dao)致(zhi)(zhi)(zhi)(zhi)不可(ke)避免的其他(ta)問(wen)題的產生。
半(ban)(ban)容積式(shi)換(huan)熱(re)(re)(re)(re)器性(xing)能(neng)與特(te)(te)點(dian)是什(shen)么呢?而且換(huan)熱(re)(re)(re)(re)器的(de)功(gong)能(neng)也(ye)是很強大(da)(da)的(de),在(zai)機電行業中都(dou)輸數(shu)一(yi)數(shu)二的(de),半(ban)(ban)容積式(shi)換(huan)熱(re)(re)(re)(re)器換(huan)熱(re)(re)(re)(re)器是將熱(re)(re)(re)(re)流體(ti)的(de)部(bu)分(fen)熱(re)(re)(re)(re)量(liang)傳(chuan)遞給冷(leng)流體(ti)的(de)設備.換(huan)熱(re)(re)(re)(re)器是化工、石油、動(dong)力(li)、食品及其它許多工業部(bu)門的(de)通(tong)用(yong)(yong)(yong)設備,在(zai)生產中占(zhan)有重要地(di)位.下面(mian)換(huan)熱(re)(re)(re)(re)設備廠家就為(wei)大(da)(da)家介紹一(yi)下半(ban)(ban)容積式(shi)換(huan)熱(re)(re)(re)(re)器的(de)各項性(xing)能(neng)特(te)(te)點(dian):高(gao)(gao)效節(jie)能(neng),換(huan)熱(re)(re)(re)(re)器傳(chuan)熱(re)(re)(re)(re)系數(shu)。不銹鋼(gang)制作,使用(yong)(yong)(yong)壽命(ming)長(chang),可(ke)達20年(nian)以上(shang)。層流為(wei)湍流,提高(gao)(gao)了換(huan)熱(re)(re)(re)(re)效率,降低(di)了熱(re)(re)(re)(re)阻。傳(chuan)熱(re)(re)(re)(re)速度快(kuai),耐(nai)高(gao)(gao)400℃),耐(nai)高(gao)(gao)壓(2.5Mpa)。結構緊湊,占(zhan)面(mian)積小,重量(liang)輕,安裝方便(bian),節(jie)約(yue)土建投資。設計(ji)靈活,規格齊全,實用(yong)(yong)(yong)針(zhen)對性(xing)強,節(jie)約(yue)資金。使用(yong)(yong)(yong)條件廣泛,適用(yong)(yong)(yong)較大(da)(da)的(de)壓力(li)、溫度范(fan)圍和多種介質熱(re)(re)(re)(re)交換(huan)。維護費用(yong)(yong)(yong)低(di),易(yi)操作,清(qing)垢周期長(chang),清(qing)洗(xi)方便(bian)。使用(yong)(yong)(yong)納米熱(re)(re)(re)(re)膜技術,顯(xian)著增(zeng)大(da)(da)傳(chuan)熱(re)(re)(re)(re)系數(shu)。應用(yong)(yong)(yong)領(ling)(ling)域廣闊,可(ke)廣泛用(yong)(yong)(yong)于熱(re)(re)(re)(re)電、廠礦、石油化工、城市集中供(gong)熱(re)(re)(re)(re)、食品醫藥、能(neng)源電子(zi)、機械輕工等領(ling)(ling)域。