電話:400-865-7779
郵箱:
地址:浙(zhe)江省紹興市上虞(yu)區高(gao)新路(lu)9號
網址: wbrck.cn
在實際應(ying)(ying)(ying)(ying)(ying)用工況下,想要選(xuan)(xuan)擇一臺換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)使它滿足(zu)理(li)論情(qing)況下換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)選(xuan)(xuan)型所具備的(de)(de)(de)所有要求(qiu)(qiu)幾乎是(shi)不可能的(de)(de)(de)。一般情(qing)況下,我們在幫換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)選(xuan)(xuan)型時(shi),在滿足(zu)生產工藝條(tiao)件的(de)(de)(de)前提下,僅考慮(lv)一個或幾個相對(dui)重要的(de)(de)(de)因素就可以了(le)。所謂重要影(ying)響因素具有不確定(ding)性(xing),是(shi)相對(dui)而言的(de)(de)(de),通常是(shi)由(you)設置換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)目的(de)(de)(de)來(lai)確定(ding)的(de)(de)(de)。換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)應(ying)(ying)(ying)(ying)(ying)容易(yi)維(wei)護(hu)。這就要求(qiu)(qiu)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)容易(yi)清理(li),對(dui)于易(yi)腐蝕(shi)、強震動等破壞的(de)(de)(de)原件應(ying)(ying)(ying)(ying)(ying)易(yi)于更換(huan)(huan)(huan)(huan),換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)應(ying)(ying)(ying)(ying)(ying)滿足(zu)工程(cheng)實際場地的(de)(de)(de)要求(qiu)(qiu)。選(xuan)(xuan)用換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)時(shi)應(ying)(ying)(ying)(ying)(ying)根(gen)據(ju)場地的(de)(de)(de)限制考慮(lv)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)直徑、長(chang)度、重量和換(huan)(huan)(huan)(huan)熱(re)(re)(re)管結構等。換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)應(ying)(ying)(ying)(ying)(ying)盡可能的(de)(de)(de)經(jing)濟。選(xuan)(xuan)用時(shi)應(ying)(ying)(ying)(ying)(ying)綜(zong)合考慮(lv)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)制造成本、安裝費用、維(wei)護(hu)費用等,應(ying)(ying)(ying)(ying)(ying)使換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)盡可能的(de)(de)(de)經(jing)濟。
管殼(ke)式(shi)換(huan)熱(re)器(qi)是(shi)(shi)(shi)(shi)石油化工行業的(de)重要(yao)(yao)設(she)(she)備(bei),它(ta)的(de)腐蝕(shi)及保(bao)護對設(she)(she)備(bei)的(de)長周期運(yun)行有著重要(yao)(yao)的(de)意義;由于近年來加工原油中的(de)硫、酸及雜質含量越來越高(gao),對煉油換(huan)熱(re)設(she)(she)備(bei)的(de)防腐蝕(shi)性能及材料(liao)的(de)選擇提出(chu)了(le)(le)更高(gao)的(de)要(yao)(yao)求(qiu)(qiu)。文章(zhang)對采用專用涂(tu)(tu)料(liao)與犧(xi)牲陽極綜合(he)保(bao)護法進行了(le)(le)闡述,該方(fang)法工藝(yi)方(fang)案和(he)特點是(shi)(shi)(shi)(shi):管殼(ke)式(shi)換(huan)熱(re)器(qi)的(de)工藝(yi)方(fang)案和(he)特點是(shi)(shi)(shi)(shi)什么表(biao)面處理要(yao)(yao)徹底,合(he)理選取保(bao)護電流密度,按設(she)(she)計要(yao)(yao)求(qiu)(qiu)確(que)定陽極塊,控制(zhi)好濕度和(he)溫度,涂(tu)(tu)料(liao)施(shi)工嚴格按照SHY-99涂(tu)(tu)料(liao)工藝(yi)進行,確(que)保(bao)綜合(he)防護的(de)效果。目(mu)前(qian)國內石油、化纖、冶金、發電等(deng)企業的(de)冷換(huan)器(qi)設(she)(she)備(bei)經常由于水(shui)垢(gou)、腐蝕(shi)產(chan)物和(he)腐蝕(shi)物黏泥造成冷換(huan)器(qi)堵塞,致傳(chuan)熱(re)系數下降,是(shi)(shi)(shi)(shi)冷卻水(shui)系統中常見的(de)問題(ti)。由于碳酸鹽垢(gou)的(de)導熱(re)系數只有碳鋼(gang)的(de)1%左右,直接影響到了(le)(le)換(huan)熱(re)效率(lv),增加了(le)(le)系統的(de)壓力降。
管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)又稱(cheng)列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)、列管(guan)(guan)(guan)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)、管(guan)(guan)(guan)殼(ke)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)、殼(ke)管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)、殼(ke)管(guan)(guan)(guan)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi),關(guan)于(yu)管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)名稱(cheng)各(ge)種叫(jiao)法(fa)都有(you)(you),比較(jiao)常見說法(fa)就是(shi)管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)和列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)。管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)組(zu)成及優點(dian): 管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)主要(yao)有(you)(you)殼(ke)體、管(guan)(guan)(guan)束(shu)(shu)、折流板、管(guan)(guan)(guan)板和封(feng)頭(tou)等部(bu)分組(zu)成,殼(ke)體多呈圓(yuan)形,內部(bu)裝(zhuang)有(you)(you)平行(xing)管(guan)(guan)(guan)束(shu)(shu)或(huo)(huo)者螺(luo)旋管(guan)(guan)(guan),管(guan)(guan)(guan)束(shu)(shu)安裝(zhuang)在(zai)殼(ke)體內,兩(liang)端固定于(yu)管(guan)(guan)(guan)板上(shang),封(feng)頭(tou)用螺(luo)栓與(yu)殼(ke)體兩(liang)端的法(fa)蘭(lan)相連。管(guan)(guan)(guan)殼(ke)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)內進行(xing)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)的兩(liang)種流體在(zai)管(guan)(guan)(guan)殼(ke)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)內進行(xing)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)的兩(liang)種流體:(1)一(yi)種在(zai)管(guan)(guan)(guan)內流動,其行(xing)程(cheng)稱(cheng)為管(guan)(guan)(guan)程(cheng);(2)一(yi)種在(zai)管(guan)(guan)(guan)外流動,其行(xing)程(cheng)稱(cheng)為殼(ke)程(cheng);(3)管(guan)(guan)(guan)束(shu)(shu)的壁面即為傳熱(re)(re)(re)面。管(guan)(guan)(guan)子的型號不一(yi),過程(cheng)一(yi)般(ban)為直徑16mm20mm或(huo)(huo)者25mm三(san)個型號;4)管(guan)(guan)(guan)壁厚度一(yi)般(ban)為1mm,1.5mm,2mm以(yi)及2.5mm。
換(huan)熱(re)器板(ban)片(pian)(pian)(pian)拆開前,應丈量板(ban)束的(de)壓緊長度尺度,做(zuo)好(hao)記錄(重裝(zhuang)時(shi)應按此尺度). b.密(mi)封(feng)墊(dian)片(pian)(pian)(pian)若粘(zhan)在兩(liang)板(ban)片(pian)(pian)(pian)間的(de)溝(gou)槽(cao)(cao)內(nei),此刻需用螺絲刀小心腸將其(qi)(qi)分隔,螺絲刀應先從易剝開的(de)部(bu)位插(cha)入,然后沿其(qi)(qi)周邊進行別離,切不可損壞換(huan)熱(re)器板(ban)片(pian)(pian)(pian)和(he)密(mi)封(feng)墊(dian)片(pian)(pian)(pian) 替換(huan)新密(mi)封(feng)墊(dian)片(pian)(pian)(pian)時(shi),需要(yao)用丙酮或其(qi)(qi)他(ta)酮類有機(ji)溶劑,將密(mi)封(feng)墊(dian)片(pian)(pian)(pian)溝(gou)槽(cao)(cao)擦凈.再用毛(mao)刷將合(he)成(cheng)樹脂粘(zhan)接劑均勻涂在溝(gou)槽(cao)(cao)里..查(cha)看換(huan)熱(re)器板(ban)片(pian)(pian)(pian)是否(fou)有穿孔(kong),一般(ban)用5倍的(de)放大鏡,有時(shi)也(ye)可用燈火(huo)或火(huo)油滲(shen)透法等逐片(pian)(pian)(pian)查(cha)看.e.假(jia)如(ru)發現介質(zhi)出(chu)入口短管及通道有雜物堆積,則闡明(ming)過濾器失效,應及時(shi)清(qing)洗.
容(rong)(rong)積(ji)(ji)式(shi)換(huan)(huan)熱(re)(re)器也叫壓力(li)容(rong)(rong)器,屬(shu)于承壓設備。企業要(yao)有(you)壓力(li)容(rong)(rong)器生產(chan)(chan)許可證才能生產(chan)(chan)。更加屬(shu)于當地的(de)(de)鍋(guo)檢部(bu)門監管(guan)的(de)(de)范(fan)疇,它(ta)主(zhu)要(yao)由筒(tong)體(ti)、蒸汽盤管(guan)或管(guan)束組件(jian),蒸汽進(jin)出(chu)口、冷熱(re)(re)水(shui)(shui)進(jin)出(chu)口等組成(cheng)。容(rong)(rong)積(ji)(ji)式(shi)換(huan)(huan)熱(re)(re)器是經(jing)過(guo)機電部(bu)華東測(ce)試中心(xin)站(zhan)的(de)(de)熱(re)(re)力(li)性(xing)能測(ce)定(ding),從建筑(zhu)部(bu)建筑(zhu)設計總院引進(jin)的(de)(de)新(xin)型換(huan)(huan)熱(re)(re)器,容(rong)(rong)積(ji)(ji)式(shi)換(huan)(huan)熱(re)(re)器具(ju)有(you)貯水(shui)(shui)量大,換(huan)(huan)熱(re)(re)出(chu)水(shui)(shui)溫度穩定(ding)的(de)(de)特點(dian),廣泛(fan)應用(yong)(yong)于生活用(yong)(yong)水(shui)(shui)和洗(xi)澡水(shui)(shui)。容(rong)(rong)積(ji)(ji)式(shi)換(huan)(huan)熱(re)(re)器主(zhu)要(yao)的(de)(de)組成(cheng)部(bu)分有(you)哪些它(ta)是在利用(yong)(yong)“RV-02”雙管(guan)束容(rong)(rong)積(ji)(ji)式(shi)換(huan)(huan)熱(re)(re)器系(xi)列(lie)的(de)(de)成(cheng)功經(jing)驗后,克(ke)服老產(chan)(chan)品耗鋼(gang)量大、對設備用(yong)(yong)房要(yao)求高及品種規格少、選(xuan)用(yong)(yong)局限(xian)性(xing)大等缺(que)點(dian),其熱(re)(re)力(li)性(xing)能遠超過(guo)其它(ta)同類(lei)產(chan)(chan)品,是目前熱(re)(re)水(shui)(shui)用(yong)(yong)水(shui)(shui)單位理想(xiang)和明智的(de)(de)換(huan)(huan)熱(re)(re)設備。
板式換熱器本身技術指標上存在過流孔徑,進水水質請求,經過比照實踐進水水質指標(冷水進水水質,熱水進水水質),需求留意一下幾點:熱交換器廠家進水水質酸堿性(包括冷水和用于換熱的熱水),假如超出板式換熱器進水技術指標,需求加裝PH調理安裝,避免過酸腐蝕或者過堿構造梗塞;同事堿性也會腐蝕換熱器密封橡膠圈招致走漏呈現.假如進水濁度超標或進水中雜質過多過大(包括冷水和用于換熱的熱水),倡議加裝自清洗過濾器,避免板式換熱器梗塞,假如影響不是很大,只需在進水端加裝Y型過濾器即可.安徽熱交換器廠家閉路循環要思索(suo)增(zeng)加(jia)加(jia)藥安裝(zhuang),如投加(jia)緩蝕(shi)阻垢劑避免結垢。