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容(rong)積式(shi)(shi)換熱器(qi)利用(yong)(yong)增壓(ya)(ya)(ya)(ya)泵(beng)出(chu)口處(chu)止回閥(fa)和電(dian)磁(ci)(ci)閥(fa)前閥(fa),當(dang)用(yong)(yong)戶(hu)(hu)系(xi)統運(yun)(yun)行(xing)(xing)時,即用(yong)(yong)戶(hu)(hu)增壓(ya)(ya)(ya)(ya)泵(beng)啟(qi)動(dong)時,電(dian)磁(ci)(ci)閥(fa)前閥(fa)通電(dian),當(dang)用(yong)(yong)戶(hu)(hu)系(xi)統內壓(ya)(ya)(ya)(ya)力(li)超過定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)(確保用(yong)(yong)戶(hu)(hu)系(xi)統不倒空)后(hou),電(dian)磁(ci)(ci)閥(fa)前閥(fa)自動(dong)開啟(qi),用(yong)(yong)戶(hu)(hu)回水(shui)(shui)經閥(fa)前閥(fa)定壓(ya)(ya)(ya)(ya)為用(yong)(yong)戶(hu)(hu)系(xi)統的定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li),并容(rong)積式(shi)(shi)換熱器(qi)減壓(ya)(ya)(ya)(ya)至和熱網回水(shui)(shui)管壓(ya)(ya)(ya)(ya)力(li)相同;當(dang)用(yong)(yong)戶(hu)(hu)容(rong)積式(shi)(shi)換熱器(qi)增壓(ya)(ya)(ya)(ya)泵(beng)停止運(yun)(yun)行(xing)(xing)時,電(dian)磁(ci)(ci)閥(fa)前閥(fa)斷電(dian)自動(dong)關閉,這樣用(yong)(yong)戶(hu)(hu)系(xi)統內的水(shui)(shui)就(jiu)被密(mi)閉起來,如果不漏水(shui)(shui),可(ke)保證用(yong)(yong)容(rong)積式(shi)(shi)換熱器(qi)戶(hu)(hu)系(xi)統內壓(ya)(ya)(ya)(ya)力(li)在較(jiao)長時間維持在定壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)左右(you)。也就(jiu)是(shi)說,不論增壓(ya)(ya)(ya)(ya)冪運(yun)(yun)行(xing)(xing)還是(shi)不運(yun)(yun)行(xing)(xing),用(yong)(yong)戶(hu)(hu)系(xi)締內的壓(ya)(ya)(ya)(ya)力(li)都町堆(dui)持在倧壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力(li)范圍(wei)內。
管殼式換熱器又稱列管式換熱器、列管換熱器、管殼換熱器、殼管式換熱器、殼管換熱器,關于管殼式換熱器名稱各種叫法都有,比較常見說法就是管殼式換熱器和列管式換熱器。管殼式換熱器組成及優點: 管殼式換熱器主要有殼體、管束、折流板、管板和封頭等部分組成,殼體多呈圓形,內部裝有平行管束或者螺旋管,管束安裝在殼體內,兩端固定于管板上,優質換熱器價格封頭用螺栓與殼體兩端的法蘭相連。管殼換熱器內進行換熱的兩種流體在管殼換熱器內進行換熱的兩種流體:(1)一種在管內流動,其行程稱為管程;(2)一種在管外流動,其行程稱為殼程;(3)管束的壁面即為傳熱面。管子的型號不一,陜西換熱器過程(cheng)一(yi)般(ban)為(wei)直徑16mm20mm或者(zhe)25mm三個型號;4)管壁厚(hou)度一(yi)般(ban)為(wei)1mm,1.5mm,2mm以及2.5mm。
1. 本(ben)(ben)系列熱(re)交換(huan)器(qi)(qi),熱(re)媒既可(ke)單為蒸汽(qi)或(huo)高溫、低溫熱(re)水(shui)(shui),亦可(ke)交替使(shi)用(yong)蒸汽(qi)或(huo)高、低溫熱(re)水(shui)(shui),設(she)(she)計選(xuan)用(yong)時(shi)請注明熱(re)媒品種。2. 本(ben)(ben)系列熱(re)交換(huan)器(qi)(qi)必須設(she)(she)置(zhi)安(an)(an)(an)全(quan)裝(zhuang)置(zhi)。下列三(san)種可(ke)任選(xuan)其一:(1) 熱(re)交換(huan)器(qi)(qi)頂部設(she)(she)置(zhi)安(an)(an)(an)全(quan)閥,安(an)(an)(an)全(quan)閥的(de)(de)選(xuan)擇、使(shi)用(yong)和(he)安(an)(an)(an)裝(zhuang)應符合勞(lao)動(dong)部頒發的(de)(de)《壓力容(rong)器(qi)(qi)安(an)(an)(an)全(quan)技(ji)術(shu)監察規程》的(de)(de)規定(ding)。(2) 頂部裝(zhuang)設(she)(she)接通大(da)氣(qi)的(de)(de)引出管(在有條件(jian)的(de)(de)場(chang)合)。(3)裝(zhuang)設(she)(she)膨脹水(shui)(shui)箱。3. 本(ben)(ben)系列熱(re)交換(huan)器(qi)(qi)的(de)(de)支(zhi)(zhi)座按標準選(xuan)用(yong),三(san)個(ge)支(zhi)(zhi)座中,一個(ge)固(gu)定(ding)支(zhi)(zhi)座,兩個(ge)為活動(dong)支(zhi)(zhi)座。活動(dong)支(zhi)(zhi)座的(de)(de)地(di)腳螺(luo)栓(shuan)采用(yong)雙螺(luo)母(mu),第(di)一個(ge)螺(luo)母(mu)在加一小墊片擰緊(jin)后(hou)倒(dao)退一圈,然后(hou)用(yong)第(di)二個(ge)螺(luo)母(mu)鎖緊(jin),以便支(zhi)(zhi)座能(neng)在基礎上(shang)自由滑動(dong)。4. 在使(shi)用(yong)中,應根(gen)據被(bei)加熱(re)水(shui)(shui)水(shui)(shui)質與(yu)使(shi)用(yong)情況定(ding)期清理水(shui)(shui)垢,當被(bei)加熱(re)水(shui)(shui)硬度較高時(shi),宜采用(yong)適宜的(de)(de)軟化措(cuo)施
1、挖孔(kong):在(zai)確定了內(nei)漏(lou)點(dian)的位置后,從換熱器(qi)(qi)外層(ceng)對(dui)應(ying)著(zhu)漏(lou)點(dian)的地方(fang),開始割(ge)(ge)孔(kong),順序是(shi)由外向里,一(yi)直割(ge)(ge)到有內(nei)漏(lou)點(dian)的那一(yi)層(ceng)為止。割(ge)(ge)出(chu)的孔(kong)應(ying)為橢圓形,且尺寸的大小(xiao)是(shi)外層(ceng)大,向里逐漸小(xiao),一(yi)般(ban)每(mei)層(ceng)板(ban)(ban)(ban)上孔(kong)的大小(xiao)相(xiang)差40mm,如(ru)漏(lou)點(dian)位置較(jiao)深(shen),在(zai)外層(ceng)割(ge)(ge)出(chu)的孔(kong)應(ying)較(jiao)大。換熱器(qi)(qi)內(nei)漏(lou)處(chu)的3種處(chu)理(li)辦(ban)法(fa)(fa)(fa)2、清渣:在(zai)割(ge)(ge)完(wan)孔(kong)后,應(ying)對(dui)留在(zai)每(mei)層(ceng)板(ban)(ban)(ban)上的氧化渣認真進行清理(li),這(zhe)是(shi)在(zai)對(dui)焊(han)回補(bu)板(ban)(ban)(ban)時(shi),回補(bu)板(ban)(ban)(ban)與每(mei)層(ceng)螺(luo)旋板(ban)(ban)(ban)能否貼(tie)緊焊(han)牢(lao)的關(guan)鍵,可(ke)用鏨子和(he)修整(zheng)模具用的小(xiao)手砂(sha)輪(lun)清理(li)氧化渣,注意(yi)應(ying)盡量將清理(li)的渣子清出(chu),不讓其(qi)掉(diao)進換熱器(qi)(qi)內(nei)。換熱器(qi)(qi)內(nei)漏(lou)處(chu)的3種處(chu)理(li)辦(ban)法(fa)(fa)(fa)3、配回補(bu)板(ban)(ban)(ban):換熱器(qi)(qi)內(nei)漏(lou)處(chu)的3種處(chu)理(li)辦(ban)法(fa)(fa)(fa)為保證修理(li)的質量,從換熱器(qi)(qi)上每(mei)層(ceng)割(ge)(ge)下來的板(ban)(ban)(ban)料,不再(zai)使用,【主(zhu)詞(ci)】重新(xin)配回補(bu)板(ban)(ban)(ban),另配的回補(bu)板(ban)(ban)(ban)要用與換熱器(qi)(qi)螺(luo)旋板(ban)(ban)(ban)相(xiang)同的材料和(he)板(ban)(ban)(ban)厚,其(qi)周邊應(ying)比換熱器(qi)(qi)上每(mei)層(ceng)割(ge)(ge)出(chu)的孔(kong)分別大15mm-20mm,且也為橢圓形,并(bing)做成和(he)換熱器(qi)(qi)每(mei)層(ceng)螺(luo)旋板(ban)(ban)(ban)弧度相(xiang)一(yi)致(zhi)的弧形。
對于換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi),很(hen)多(duo)人都是(shi)非常熟悉的(de)(de)(de),換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)種(zhong)類(lei)(lei)并不(bu)是(shi)單一(yi)(yi)(yi)(yi)的(de)(de)(de),管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)就(jiu)(jiu)是(shi)一(yi)(yi)(yi)(yi)種(zhong)比較常見的(de)(de)(de)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi),很(hen)多(duo)人都想知道(dao)管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)是(shi)如何工作(zuo)(zuo)(zuo)的(de)(de)(de),今天小編就(jiu)(jiu)為(wei)大家簡單的(de)(de)(de)介(jie)紹一(yi)(yi)(yi)(yi)下管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)工作(zuo)(zuo)(zuo)原(yuan)理(li)和(he)結(jie)構。管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)有(you)(you)(you)多(duo)層導熱(re)(re)(re)(re)(re)(re)(re)(re)(re)特性良(liang)好的(de)(de)(de)材(cai)料(liao)疊合而成(cheng)(cheng)工作(zuo)(zuo)(zuo)原(yuan)理(li)和(he)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)水(shui)器(qi)(qi)(qi)(qi)類(lei)(lei)似,熱(re)(re)(re)(re)(re)(re)(re)(re)(re)水(shui)器(qi)(qi)(qi)(qi)是(shi)由燃(ran)氣燃(ran)燒時產生熱(re)(re)(re)(re)(re)(re)(re)(re)(re)而換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)是(shi)發熱(re)(re)(re)(re)(re)(re)(re)(re)(re)的(de)(de)(de)介(jie)質不(bu)是(shi)明火,換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)內部(bu)有(you)(you)(you)兩路(lu)管(guan)(guan)(guan)道(dao)回路(lu)。管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)工作(zuo)(zuo)(zuo)原(yuan)理(li)是(shi)什么一(yi)(yi)(yi)(yi)個(ge)(ge)是(shi)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)另一(yi)(yi)(yi)(yi)個(ge)(ge)是(shi)被加熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)就(jiu)(jiu)像熱(re)(re)(re)(re)(re)(re)(re)(re)(re)水(shui)器(qi)(qi)(qi)(qi)燃(ran)燒時的(de)(de)(de)火焰如熱(re)(re)(re)(re)(re)(re)(re)(re)(re)水(shui)或(huo)蒸汽等。被加熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)就(jiu)(jiu)像熱(re)(re)(re)(re)(re)(re)(re)(re)(re)水(shui)器(qi)(qi)(qi)(qi)里被加熱(re)(re)(re)(re)(re)(re)(re)(re)(re)的(de)(de)(de)水(shui)。還有(you)(you)(you)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)回路(lu)中換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)的(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)進口前(qian)有(you)(you)(you)一(yi)(yi)(yi)(yi)個(ge)(ge)調(diao)節閥(fa)通過改變這個(ge)(ge)閥(fa)門(men)的(de)(de)(de)開(kai)度就(jiu)(jiu)可以調(diao)節被加熱(re)(re)(re)(re)(re)(re)(re)(re)(re)源(yuan)(yuan)的(de)(de)(de)溫度。管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)熱(re)(re)(re)(re)(re)(re)(re)(re)(re)器(qi)(qi)(qi)(qi)由殼(ke)(ke)(ke)體、傳熱(re)(re)(re)(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)板、折流板(擋板)和(he)管(guan)(guan)(guan)箱(xiang)等部(bu)件組成(cheng)(cheng)。