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容(rong)積(ji)式(shi)(shi)換熱(re)(re)(re)(re)(re)器也叫壓力容(rong)器,屬于(yu)(yu)承壓設(she)備(bei)。企業要(yao)有壓力容(rong)器生(sheng)產(chan)許可證才能生(sheng)產(chan)。更加屬于(yu)(yu)當地的鍋檢(jian)部(bu)(bu)門監管的范疇(chou),它主要(yao)由筒體、蒸汽盤管或管束組件(jian),蒸汽進(jin)(jin)出口(kou)、冷熱(re)(re)(re)(re)(re)水進(jin)(jin)出口(kou)等(deng)組成。容(rong)積(ji)式(shi)(shi)換熱(re)(re)(re)(re)(re)器是經過機電部(bu)(bu)華東測試(shi)中(zhong)心站的熱(re)(re)(re)(re)(re)力性能測定,從建(jian)筑部(bu)(bu)建(jian)筑設(she)計(ji)總院引進(jin)(jin)的新型換熱(re)(re)(re)(re)(re)器,容(rong)積(ji)式(shi)(shi)換熱(re)(re)(re)(re)(re)器具有貯(zhu)水量大,換熱(re)(re)(re)(re)(re)出水溫度穩定的特(te)點,廣泛應用(yong)(yong)于(yu)(yu)生(sheng)活(huo)用(yong)(yong)水和(he)(he)洗(xi)澡(zao)水。容(rong)積(ji)式(shi)(shi)換熱(re)(re)(re)(re)(re)器主要(yao)的組成部(bu)(bu)分有哪(na)些它是在利用(yong)(yong)“RV-02”雙管束容(rong)積(ji)式(shi)(shi)換熱(re)(re)(re)(re)(re)器系列的成功(gong)經驗(yan)后,克服老產(chan)品(pin)耗鋼量大、對設(she)備(bei)用(yong)(yong)房要(yao)求(qiu)高及品(pin)種規格少、選用(yong)(yong)局限性大等(deng)缺點,其熱(re)(re)(re)(re)(re)力性能遠超過其它同(tong)類(lei)產(chan)品(pin),是目前熱(re)(re)(re)(re)(re)水用(yong)(yong)水單位理(li)想和(he)(he)明智的換熱(re)(re)(re)(re)(re)設(she)備(bei)。
誤(wu)區(qu)一、只比較換(huan)(huan)(huan)熱(re)面積好多用(yong)(yong)戶(hu)在詢價時,只向詢價單(dan)元提供換(huan)(huan)(huan)熱(re)面積,的確不(bu)管哪品種型(xing)的容積式換(huan)(huan)(huan)熱(re)器(qi),管殼式換(huan)(huan)(huan)熱(re)器(qi)面積相同的狀況下(xia),型(xing)號差(cha)別、結(jie)構(gou)構(gou)成差(cha)別、所(suo)用(yong)(yong)材質(zhi)規格差(cha)別、流程組合(he)差(cha)別,它(ta)們(men)的價錢是(shi)不(bu)具有可比性的,并且在運用(yong)(yong)流程中所(suo)表(biao)示出來的工作功(gong)能也會(hui)有很大差(cha)異。誤(wu)區(qu)二、拿著某一個廠家的選型(xing)單(dan)詢價差(cha)別的生產廠家,緣于本身的加工才能、實(shi)際(ji)使(shi)用(yong)(yong)經歷 、引薦習氣等要素,往往對用(yong)(yong)戶(hu)的某一運用(yong)(yong)要求及工藝工況并不(bu)明白得(de)十(shi)分透(tou)徹,計(ji)劃選型(xing)會(hui)出現偏頗(po)。
波紋管(guan)(guan)即臥式(shi)(shi)(shi)容積(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器分為S型(xing)(xing)與H型(xing)(xing)。S型(xing)(xing)臥罐(guan)(guan)(guan)提供汽(qi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)用(yong),H型(xing)(xing)臥罐(guan)(guan)(guan)提供水(shui)(shui)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)用(yong)。臥式(shi)(shi)(shi)容積(ji)(ji)式(shi)(shi)(shi)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器性能(neng)特點(dian):1.換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)量(liang)大。H型(xing)(xing)“新臥罐(guan)(guan)(guan)、水(shui)(shui)一(yi)(yi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)量(liang)為同(tong)型(xing)(xing)“標準(zhun)臥罐(guan)(guan)(guan)”的(de)(de)2倍以上,S型(xing)(xing)“新臥罐(guan)(guan)(guan)”汽(qi)一(yi)(yi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)量(liang)為同(tong)型(xing)(xing)“標準(zhun)臥罐(guan)(guan)(guan)”的(de)(de)1.2倍。2.熱(re)(re)(re)(re)媒溫(wen)(wen)降大。汽(qi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),凝結水(shui)(shui)出水(shui)(shui)溫(wen)(wen)度約50℃,回水(shui)(shui)管(guan)(guan)上不需(xu)設疏(shu)水(shui)(shui)器,給使用(yong)維修帶來方(fang)便,水(shui)(shui)一(yi)(yi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)時(shi),熱(re)(re)(re)(re)媒溫(wen)(wen)降為同(tong)型(xing)(xing)“標準(zhun)臥罐(guan)(guan)(guan)”的(de)(de)2?2.5倍,120?150℃的(de)(de)高溫(wen)(wen)熱(re)(re)(re)(re)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)后可降70?75℃。3.H型(xing)(xing)“新臥罐(guan)(guan)(guan)”適(shi)用(yong)于水(shui)(shui)一(yi)(yi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re),亦(yi)可用(yong)于汽(qi)一(yi)(yi)水(shui)(shui)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)。4.換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)效果(guo)好(hao),散熱(re)(re)(re)(re)損(sun)失少,節能(neng)。同(tong)時(shi),以蒸汽(qi)為熱(re)(re)(re)(re)媒時(shi),能(neng)回收約占(zhan)整個(ge)換(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)量(liang)的(de)(de)15%的(de)(de)凝結水(shui)(shui)熱(re)(re)(re)(re)量(liang)。
在檢修維護換熱器汽包時發現汽包封頭泄漏,在汽包封頭的閥蓋角焊縫處出現裂紋,裂紋平行于焊縫。采用宏觀形貌分析、化學成分分析、金相檢驗、顯微硬度測定、能譜分析以及應力分析等方法對泄漏處進行了分析。結果表明,汽包中水質含有較高濃度的堿性元素和氯、硫、氧等強腐蝕性元素,供應生活熱水設備哪家好又在焊接殘余應力的作用下發生應力腐蝕開裂,最后導致汽包封頭產生泄漏。應力腐蝕;沿晶;堿脆;軋制帶狀組織某化工廠換熱器汽包于1996年投入使用,于2005年上半年維護檢修時發現滲漏。天津生活熱水設備經去除外面保溫(wen)材(cai)料后(hou),發現汽(qi)(qi)包(bao)封(feng)(feng)頭(tou)(tou)的蓋板角(jiao)焊縫位置出現裂(lie)(lie)紋,裂(lie)(lie)紋為(wei)(wei)穿透(tou)型,起源于汽(qi)(qi)包(bao)封(feng)(feng)頭(tou)(tou)內表面,換熱器(qi)外形尺寸(cun)為(wei)(wei)1632mm9423mm,汽(qi)(qi)包(bao)封(feng)(feng)頭(tou)(tou)外形尺寸(cun)1632mm400mm,汽(qi)(qi)包(bao)封(feng)(feng)頭(tou)(tou)材(cai)料為(wei)(wei)16MnR鋼。