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回用(yong)(yong)性(xing)能的檢(jian)驗和(he)檢(jian)測。在(zai)(zai)懷(huai)疑有(you)銹蝕的情(qing)況下對(dui)換(huan)熱(re)器(qi)及管道的壁厚進行(xing)檢(jian)查(cha);清除(chu)老化的密(mi)封(feng)件,根據(ju)不同的污垢,采用(yong)(yong)酸(suan)堿(jian)進行(xing)化學清洗,被清洗零部件的表面不會受(shou)到化學介質的腐蝕侵害(hai);還要(yao)著重檢(jian)查(cha)密(mi)封(feng)槽的情(qing)況,必(bi)(bi)要(yao)時進行(xing)修整;五是對(dui)于粘(zhan)(zhan)(zhan)接(jie)式密(mi)封(feng)墊,將(jiang)徹底清除(chu)殘留的物質,使用(yong)(yong)調和(he)式粘(zhan)(zhan)(zhan)接(jie)膠(jiao)重新粘(zhan)(zhan)(zhan)接(jie),重新組合的換(huan)熱(re)器(qi)片(pian)(pian)組在(zai)(zai)專(zhuan)用(yong)(yong)夾(jia)(jia)具中(zhong)(zhong)夾(jia)(jia)緊,使粘(zhan)(zhan)(zhan)接(jie)劑固化,在(zai)(zai)保溫(wen)爐中(zhong)(zhong)加熱(re)保溫(wen),以(yi)達到粘(zhan)(zhan)(zhan)接(jie)效(xiao)果(guo)。如果(guo)沒有(you)備用(yong)(yong)的密(mi)封(feng)墊,必(bi)(bi)須(xu)(xu)從整個板式換(huan)熱(re)器(qi)組中(zhong)(zhong)取下受(shou)損(sun)密(mi)封(feng)墊兩側的散(san)熱(re)片(pian)(pian),然后對(dui)剩余(yu)散(san)熱(re)片(pian)(pian)的密(mi)封(feng)墊結合面進行(xing)檢(jian)查(cha)。必(bi)(bi)須(xu)(xu)嚴格(ge)按照使用(yong)(yong)說明書中(zhong)(zhong)的要(yao)求安裝(zhuang)(zhuang)剩余(yu)的換(huan)熱(re)器(qi)片(pian)(pian),為(wei)了保證(zheng)剩余(yu)的換(huan)熱(re)器(qi)有(you)足夠的應(ying)力(li)以(yi)抵抗負載(zai),必(bi)(bi)須(xu)(xu)將(jiang)原(yuan)來各片(pian)(pian)允(yun)許承受(shou)的應(ying)力(li)乘以(yi)原(yuan)來的換(huan)熱(re)器(qi)片(pian)(pian)數(shu),所得(de)(de)的積再除(chu)以(yi)當前(qian)剩余(yu)換(huan)熱(re)器(qi)的片(pian)(pian)數(shu),得(de)(de)到現在(zai)(zai)每個換(huan)熱(re)器(qi)片(pian)(pian)必(bi)(bi)須(xu)(xu)承受(shou)的組裝(zhuang)(zhuang)應(ying)力(li)數(shu)值。
管(guan)(guan)(guan)殼(ke)式換熱(re)(re)(re)器(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)式換熱(re)(re)(re)器(qi)。管(guan)(guan)(guan)殼(ke)式換熱(re)(re)(re)器(qi)是以封閉在(zai)(zai)殼(ke)體中(zhong)管(guan)(guan)(guan)束的(de)壁面(mian)作為(wei)傳(chuan)熱(re)(re)(re)面(mian)的(de)間壁式換熱(re)(re)(re)器(qi)。這種換熱(re)(re)(re)器(qi)結(jie)構較簡單,操作可靠,可用(yong)各種結(jie)構材料(liao)(主要是金屬材料(liao))制造,能在(zai)(zai)高(gao)溫、高(gao)壓下使(shi)用(yong),是目前應(ying)用(yong)廣的(de)類型。管(guan)(guan)(guan)殼(ke)式換熱(re)(re)(re)器(qi)是怎樣運(yun)行的(de)管(guan)(guan)(guan)殼(ke)式換熱(re)(re)(re)器(qi)由殼(ke)體、傳(chuan)熱(re)(re)(re)管(guan)(guan)(guan)束、管(guan)(guan)(guan)板、折流(liu)(liu)板(擋板)和管(guan)(guan)(guan)箱等部件組成。殼(ke)體多(duo)為(wei)圓筒形(xing),內部裝有管(guan)(guan)(guan)束,管(guan)(guan)(guan)束兩端固定在(zai)(zai)管(guan)(guan)(guan)板上。進行換熱(re)(re)(re)的(de)冷熱(re)(re)(re)兩種流(liu)(liu)體,一(yi)種在(zai)(zai)管(guan)(guan)(guan)內流(liu)(liu)動,稱為(wei)管(guan)(guan)(guan)程(cheng)流(liu)(liu)體;另一(yi)種在(zai)(zai)管(guan)(guan)(guan)外流(liu)(liu)動,稱為(wei)殼(ke)程(cheng)流(liu)(liu)體。
隨著社會(hui)不斷(duan)的(de)(de)(de)進(jin)展,容積式換(huan)熱(re)(re)(re)器(qi)逐漸走進(jin)我(wo)們的(de)(de)(de)生(sheng)(sheng)(sheng)活(huo),它(ta)是(shi)不僅可以(yi)進(jin)行熱(re)(re)(re)量交(jiao)換(huan),而(er)且使(shi)用年限較長,通(tong)常適用于工業及民用建筑的(de)(de)(de)熱(re)(re)(re)水(shui)供應系(xi)統,關于它(ta)的(de)(de)(de)知(zhi)識(shi)還有哪些是(shi)我(wo)們不知(zhi)道的(de)(de)(de)呢?下面就和小編一起看(kan)看(kan)吧(ba)。以(yi)下關于“容積式換(huan)熱(re)(re)(re)器(qi)發生(sheng)(sheng)(sheng)問題的(de)(de)(de)原(yuan)因及其產(chan)(chan)品知(zhi)識(shi)的(de)(de)(de)相關說明”的(de)(de)(de)介紹。一、產(chan)(chan)品簡介:與(yu)傳(chuan)(chuan)統固(gu)定(ding)盤管(guan)相比較,浮動盤管(guan)能(neng)上下輕微浮動,產(chan)(chan)生(sheng)(sheng)(sheng)高頻振動,形(xing)成良好紊流(liu)傳(chuan)(chuan)熱(re)(re)(re)狀態(tai),并且它(ta)能(neng)借助通(tong)過高溫熱(re)(re)(re)媒的(de)(de)(de)薄(bo)壁銅管(guan)管(guan)壁與(yu)管(guan)外壁結(jie)垢層膨脹量的(de)(de)(de)差異,在(zai)(zai)一定(ding)條件(jian)下,使(shi)水(shui)垢自動脫落。通(tong)用換(huan)熱(re)(re)(re)器(qi)一般(ban)需要配置水(shui)水(shui)熱(re)(re)(re)交(jiao)換(huan)器(qi)來降低蒸汽凝結(jie)水(shui)溫度(du)以(yi)便回用,而(er)此類節(jie)能(neng)型熱(re)(re)(re)交(jiao)換(huan)器(qi)凝結(jie)水(shui)出水(shui)溫度(du)在(zai)(zai)45攝適度(du)左右,可直接回鍋爐房重(zhong)復使(shi)用。
波紋管即臥式容積式換熱器分為S型與H型。S型臥罐提供汽水換熱用,H型臥罐提供水水換熱用。臥式容積式換熱器性能特點:1.換熱量大。H型“新臥罐、水一水換熱時天津最好熱水機組,換熱量為同型“標準臥罐”的2倍以上,S型“新臥罐”汽一水換熱時,換熱量為同型“標準臥罐”的1.2倍。2.熱媒溫降大。汽水換熱時,凝結水出水溫度約50℃,回水管上不需設疏水器,給使用維修帶來方便,熱水機組廠家水(shui)(shui)(shui)一水(shui)(shui)(shui)換(huan)熱(re)時(shi),熱(re)媒溫降為同(tong)型(xing)“標(biao)準臥罐”的2?2.5倍(bei),120?150℃的高溫熱(re)水(shui)(shui)(shui)換(huan)熱(re)后可降70?75℃。3.H型(xing)“新臥罐”適用于(yu)水(shui)(shui)(shui)一水(shui)(shui)(shui)換(huan)熱(re),亦可用于(yu)汽(qi)一水(shui)(shui)(shui)換(huan)熱(re)。4.換(huan)熱(re)效果好(hao),散(san)熱(re)損(sun)失(shi)少,節能(neng)。同(tong)時(shi),以蒸汽(qi)為熱(re)媒時(shi),能(neng)回(hui)收約占整個換(huan)熱(re)量的15%的凝結(jie)水(shui)(shui)(shui)熱(re)量。