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容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器利用(yong)(yong)(yong)(yong)增壓(ya)(ya)(ya)(ya)泵出口(kou)處(chu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)和電(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa),當用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)運(yun)行時(shi),即用(yong)(yong)(yong)(yong)戶(hu)(hu)增壓(ya)(ya)(ya)(ya)泵啟動時(shi),電(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)通電(dian)(dian),當用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)內壓(ya)(ya)(ya)(ya)力(li)(li)超過定(ding)(ding)壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(li)(確保(bao)(bao)用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)不(bu)(bu)(bu)倒空)后,電(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)自(zi)動開啟,用(yong)(yong)(yong)(yong)戶(hu)(hu)回(hui)(hui)水(shui)經閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)定(ding)(ding)壓(ya)(ya)(ya)(ya)為用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的定(ding)(ding)壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(li),并容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器減(jian)壓(ya)(ya)(ya)(ya)至(zhi)和熱(re)網回(hui)(hui)水(shui)管(guan)壓(ya)(ya)(ya)(ya)力(li)(li)相同(tong);當用(yong)(yong)(yong)(yong)戶(hu)(hu)容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器增壓(ya)(ya)(ya)(ya)泵停止(zhi)運(yun)行時(shi),電(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)前(qian)閥(fa)(fa)(fa)斷(duan)電(dian)(dian)自(zi)動關閉(bi)(bi),這樣用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)內的水(shui)就被密(mi)閉(bi)(bi)起來,如果不(bu)(bu)(bu)漏水(shui),可保(bao)(bao)證用(yong)(yong)(yong)(yong)容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器戶(hu)(hu)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)內壓(ya)(ya)(ya)(ya)力(li)(li)在(zai)較長時(shi)間維持(chi)在(zai)定(ding)(ding)壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(li)左(zuo)右。也就是說(shuo),不(bu)(bu)(bu)論增壓(ya)(ya)(ya)(ya)冪運(yun)行還是不(bu)(bu)(bu)運(yun)行,用(yong)(yong)(yong)(yong)戶(hu)(hu)系(xi)(xi)(xi)(xi)締(di)內的壓(ya)(ya)(ya)(ya)力(li)(li)都町堆持(chi)在(zai)倧壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(li)范圍(wei)內。
1. 本(ben)系列(lie)熱(re)(re)交(jiao)換(huan)(huan)器(qi)(qi),熱(re)(re)媒既可(ke)單為蒸汽或(huo)高(gao)溫(wen)、低溫(wen)熱(re)(re)水(shui)(shui),亦可(ke)交(jiao)替使(shi)(shi)(shi)用(yong)(yong)蒸汽或(huo)高(gao)、低溫(wen)熱(re)(re)水(shui)(shui),設(she)(she)計選用(yong)(yong)時請(qing)注明(ming)熱(re)(re)媒品種。2. 本(ben)系列(lie)熱(re)(re)交(jiao)換(huan)(huan)器(qi)(qi)必須設(she)(she)置(zhi)安全(quan)裝(zhuang)(zhuang)(zhuang)置(zhi)。下(xia)列(lie)三種可(ke)任選其一:(1) 熱(re)(re)交(jiao)換(huan)(huan)器(qi)(qi)頂部設(she)(she)置(zhi)安全(quan)閥,安全(quan)閥的(de)(de)選擇、使(shi)(shi)(shi)用(yong)(yong)和安裝(zhuang)(zhuang)(zhuang)應符合(he)(he)勞動部頒發(fa)的(de)(de)《壓力容器(qi)(qi)安全(quan)技術監察規程(cheng)》的(de)(de)規定。(2) 頂部裝(zhuang)(zhuang)(zhuang)設(she)(she)接通大氣的(de)(de)引出管(在(zai)有條件(jian)的(de)(de)場合(he)(he))。(3)裝(zhuang)(zhuang)(zhuang)設(she)(she)膨脹水(shui)(shui)箱。3. 本(ben)系列(lie)熱(re)(re)交(jiao)換(huan)(huan)器(qi)(qi)的(de)(de)支(zhi)座按標準(zhun)選用(yong)(yong),三個(ge)(ge)(ge)支(zhi)座中,一個(ge)(ge)(ge)固定支(zhi)座,兩(liang)個(ge)(ge)(ge)為活(huo)動支(zhi)座。活(huo)動支(zhi)座的(de)(de)地(di)腳螺栓采用(yong)(yong)雙螺母(mu),第(di)一個(ge)(ge)(ge)螺母(mu)在(zai)加一小(xiao)墊片(pian)擰緊后倒退一圈,然后用(yong)(yong)第(di)二個(ge)(ge)(ge)螺母(mu)鎖緊,以便支(zhi)座能在(zai)基礎上自由滑動。4. 在(zai)使(shi)(shi)(shi)用(yong)(yong)中,應根據被加熱(re)(re)水(shui)(shui)水(shui)(shui)質(zhi)與(yu)使(shi)(shi)(shi)用(yong)(yong)情(qing)況定期清理水(shui)(shui)垢,當被加熱(re)(re)水(shui)(shui)硬度較高(gao)時,宜采用(yong)(yong)適宜的(de)(de)軟化措施
產品介紹一、容積式熱交換器本熱交換器適用于一般工業及民用建筑的熱水供應系統。按加熱管型式,分為甲型(U型管式)乙型(盤管式)兩種,加熱管的材料有碳素鋼和黃銅管兩種。二、立式容積式熱交換器的表面設置保溫層。三、熱交換器必須設置安全裝置一列三種安全裝置可選其中一種裝設與熱交換器上。a.在熱交換器頂部安裝設安全閥。安全閥的壓力必須與熱交換的最高工作壓力相適應(在向安全閥生產廠訂貨時需加以申明)。供應容積式熱交換器安全閥的(de)安裝與(yu)使用應(ying)符合勞(lao)動人事部(bu)《壓(ya)力容器(qi)安全技術檢查規定》b.在(zai)熱交(jiao)(jiao)換器(qi)頂部(bu)裝設(she)接(jie)通大(da)氣(qi)的(de)引出(chu)管(有(you)條件的(de)場(chang)合).裝設(she)膨(peng)脹水箱,與(yu)熱交(jiao)(jiao)換器(qi)連接(jie),以放出(chu)膨(peng)脹部(bu)分的(de)水。附注:若水中含有(you)硬度鹽類,在(zai)使用熱交(jiao)(jiao)換器(qi)時,器(qi)壁及管壁會形成(cheng)水垢,導致換熱效(xiao)率降低(di),能(neng)耗增加,甚至影響使用。故應(ying)采取一定的(de)措施(shi)。
在(zai)(zai)石油(you)化(hua)工行(xing)(xing)業(ye)中,少不了(le)換(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)應用(yong),隨著換(huan)(huan)熱(re)(re)(re)器(qi)穩定性(xing)和(he)工作效(xiao)率(lv)的(de)(de)(de)提高(gao)(gao)(gao),如今已成為非常常見的(de)(de)(de)換(huan)(huan)熱(re)(re)(re)設施在(zai)(zai)石油(you)行(xing)(xing)業(ye)設備(bei)投資上(shang)(shang)它所占的(de)(de)(de)比例能(neng)夠(gou)達到三分(fen)之(zhi)一以上(shang)(shang)。目前(qian)在(zai)(zai)石油(you)化(hua)工行(xing)(xing)業(ye)關注的(de)(de)(de)問題就是如何使(shi)提高(gao)(gao)(gao)換(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)傳熱(re)(re)(re)效(xiao)率(lv),降低換(huan)(huan)熱(re)(re)(re)設施的(de)(de)(de)投資,最終(zhong)實現石油(you)化(hua)工行(xing)(xing)業(ye)經濟效(xiao)益(yi)和(he)社會效(xiao)益(yi)的(de)(de)(de)大(da)化(hua)高(gao)(gao)(gao)效(xiao)板式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)優勢在(zai)(zai)石油(you)化(hua)工行(xing)(xing)業(ye)中,換(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)種(zhong)類也是非常之(zhi)多的(de)(de)(de),他們(men)分(fen)別對(dui)于壓(ya)力(li)和(he)溫度有著超高(gao)(gao)(gao)的(de)(de)(de)要求。高(gao)(gao)(gao)效(xiao)板式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi):能(neng)夠(gou)更好地應對(dui)較(jiao)高(gao)(gao)(gao)的(de)(de)(de)壓(ya)力(li)以及較(jiao)高(gao)(gao)(gao)的(de)(de)(de)溫度,具體來說,焊接式(shi)(shi)板式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)具備(bei)較(jiao)強(qiang)的(de)(de)(de)便(bian)捷性(xing)、體積小、重量輕、存在(zai)(zai)著良好的(de)(de)(de)傳熱(re)(re)(re)性(xing)能(neng)、價格(ge)低廉。因此,在(zai)(zai)石油(you)的(de)(de)(de)生產過程中得到了(le)更好的(de)(de)(de)應用(yong)。
一種容(rong)(rong)積式(shi)熱(re)(re)(re)(re)(re)(re)(re)交換(huan)(huan)器(qi)(qi),它由(you)器(qi)(qi)體、器(qi)(qi)體內的(de)(de)蒸汽盤(pan)管組件(jian)以及蒸汽進口與出口,冷(leng)水(shui)(shui)進口與熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)出口組成(cheng),其特征(zheng)在于所(suo)述的(de)(de)器(qi)(qi)體(1)的(de)(de)內表面上噴涂有一層(ceng)高溫(wen)(wen)(wen)熔化的(de)(de)防腐合金(jin)層(ceng)。容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)是在普(pu)通浮動盤(pan)管換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)基(ji)礎上加(jia)大容(rong)(rong)積制成(cheng)。主要(yao)用(yong)(yong)于熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)供(gong)應(ying)系統(tong)。一般出口應(ying)加(jia)設自(zi)動控溫(wen)(wen)(wen)裝置以保證(zheng)洗澡水(shui)(shui)或衛生熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)的(de)(de)適宜的(de)(de)供(gong)水(shui)(shui)溫(wen)(wen)(wen)度。它除(chu)全面具備普(pu)通浮動盤(pan)管的(de)(de)所(suo)有優點外,還可貯存一定的(de)(de)熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)水(shui)(shui)量,以保證(zheng)熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)的(de)(de)及時供(gong)應(ying)。1、容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)熱(re)(re)(re)(re)(re)(re)(re)媒溫(wen)(wen)(wen)降大。汽水(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)時,凝結水(shui)(shui)出水(shui)(shui)溫(wen)(wen)(wen)度約50℃,回水(shui)(shui)管上下需設疏(shu)水(shui)(shui)器(qi)(qi),給(gei)使用(yong)(yong)維修帶(dai)來方便,水(shui)(shui)-水(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)時,熱(re)(re)(re)(re)(re)(re)(re)溫(wen)(wen)(wen)降為同(tong)型換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)2~2.5倍,120~150℃的(de)(de)高溫(wen)(wen)(wen)熱(re)(re)(re)(re)(re)(re)(re)水(shui)(shui)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)后(hou)可降至70~75℃。2、容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)(re)效(xiao)(xiao)果好,散(san)熱(re)(re)(re)(re)(re)(re)(re)效(xiao)(xiao)果好,散(san)熱(re)(re)(re)(re)(re)(re)(re)損失小,節能。