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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,供應容積式熱交換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,北京容積式熱交換器過程(cheng)一般(ban)(ban)為直徑16mm20mm或者(zhe)25mm三個(ge)型號(hao);4)管壁(bi)厚度一般(ban)(ban)為1mm,1.5mm,2mm以及(ji)2.5mm。
容(rong)積式換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)是使(shi)用(yong)(yong)(yong)的(de)(de)非常廣(guang)泛的(de)(de)一(yi)種(zhong)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi),它主要由(you)器(qi)體、蒸(zheng)汽(qi)盤(pan)管(guan)(guan)組件,蒸(zheng)汽(qi)進出口(kou)、冷熱(re)(re)水進出口(kou)等(deng)組成,為(wei)防(fang)止(zhi)器(qi)體內(nei)表面(mian)腐(fu)蝕(shi),在表面(mian)上噴涂有一(yi)層(ceng)防(fang)腐(fu)合金層(ceng),并(bing)在合金層(ceng)上刷制有油(you)漆層(ceng),另(ling)取消原(yuan)有管(guan)(guan)箱,蒸(zheng)汽(qi)盤(pan)管(guan)(guan)通過(guo)法蘭(lan)直接外接,從而使(shi)本實用(yong)(yong)(yong)新型具有結構簡單合理、使(shi)用(yong)(yong)(yong)壽命長,換(huan)(huan)(huan)(huan)熱(re)(re)效果好,節能等(deng)特點。那么容(rong)積式換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)怎么選擇?容(rong)積式換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)的(de)(de)四大(da)優(you)點隨(sui)著(zhu)時代的(de)(de)發展(zhan),科技的(de)(de)進步,容(rong)積式換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)作(zuo)為(wei)一(yi)種(zhong)熱(re)(re)交換(huan)(huan)(huan)(huan)設備(bei),廣(guang)泛應(ying)用(yong)(yong)(yong)于(yu)各行各業。其中有一(yi)種(zhong)是波(bo)紋(wen)管(guan)(guan)式換(huan)(huan)(huan)(huan)熱(re)(re)器(qi),它一(yi)改(gai)傳統換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)使(shi)用(yong)(yong)(yong)厚壁鋼(gang)管(guan)(guan)做換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan),而采用(yong)(yong)(yong)薄(bo)壁不銹鋼(gang)管(guan)(guan)做換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan),并(bing)利(li)用(yong)(yong)(yong)特殊裝(zhuang)置在薄(bo)壁不銹鋼(gang)管(guan)(guan)上加工(gong)出波(bo)紋(wen),使(shi)其成為(wei)一(yi)種(zhong)沿(yan)換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan)軸線方向(xiang)上其橫截(jie)面(mian)積呈周期性(xing)變(bian)化(hua)。
1、挖孔(kong):在確定(ding)了內(nei)(nei)漏(lou)(lou)點的(de)(de)(de)(de)(de)(de)位置后,從換(huan)熱(re)(re)器(qi)(qi)(qi)外層對(dui)(dui)應(ying)(ying)著漏(lou)(lou)點的(de)(de)(de)(de)(de)(de)地方(fang),開始割孔(kong),順序是(shi)由外向(xiang)里,一直割到有內(nei)(nei)漏(lou)(lou)點的(de)(de)(de)(de)(de)(de)那一層為止。割出(chu)的(de)(de)(de)(de)(de)(de)孔(kong)應(ying)(ying)為橢(tuo)圓形(xing),且尺寸的(de)(de)(de)(de)(de)(de)大(da)(da)小(xiao)是(shi)外層大(da)(da),向(xiang)里逐漸小(xiao),一般每(mei)(mei)層板(ban)(ban)(ban)(ban)(ban)上孔(kong)的(de)(de)(de)(de)(de)(de)大(da)(da)小(xiao)相(xiang)差(cha)40mm,如漏(lou)(lou)點位置較(jiao)深,在外層割出(chu)的(de)(de)(de)(de)(de)(de)孔(kong)應(ying)(ying)較(jiao)大(da)(da)。換(huan)熱(re)(re)器(qi)(qi)(qi)內(nei)(nei)漏(lou)(lou)處(chu)(chu)的(de)(de)(de)(de)(de)(de)3種處(chu)(chu)理(li)(li)辦(ban)(ban)法2、清渣:在割完孔(kong)后,應(ying)(ying)對(dui)(dui)留在每(mei)(mei)層板(ban)(ban)(ban)(ban)(ban)上的(de)(de)(de)(de)(de)(de)氧化渣認(ren)真進(jin)行(xing)清理(li)(li),這(zhe)是(shi)在對(dui)(dui)焊回(hui)補(bu)(bu)板(ban)(ban)(ban)(ban)(ban)時,回(hui)補(bu)(bu)板(ban)(ban)(ban)(ban)(ban)與(yu)每(mei)(mei)層螺旋(xuan)(xuan)板(ban)(ban)(ban)(ban)(ban)能(neng)否貼(tie)緊焊牢的(de)(de)(de)(de)(de)(de)關鍵(jian),可用(yong)鏨子和修(xiu)整模具用(yong)的(de)(de)(de)(de)(de)(de)小(xiao)手砂輪清理(li)(li)氧化渣,注(zhu)意應(ying)(ying)盡量將清理(li)(li)的(de)(de)(de)(de)(de)(de)渣子清出(chu),不(bu)讓其掉進(jin)換(huan)熱(re)(re)器(qi)(qi)(qi)內(nei)(nei)。換(huan)熱(re)(re)器(qi)(qi)(qi)內(nei)(nei)漏(lou)(lou)處(chu)(chu)的(de)(de)(de)(de)(de)(de)3種處(chu)(chu)理(li)(li)辦(ban)(ban)法3、配回(hui)補(bu)(bu)板(ban)(ban)(ban)(ban)(ban):換(huan)熱(re)(re)器(qi)(qi)(qi)內(nei)(nei)漏(lou)(lou)處(chu)(chu)的(de)(de)(de)(de)(de)(de)3種處(chu)(chu)理(li)(li)辦(ban)(ban)法為保證修(xiu)理(li)(li)的(de)(de)(de)(de)(de)(de)質量,從換(huan)熱(re)(re)器(qi)(qi)(qi)上每(mei)(mei)層割下來的(de)(de)(de)(de)(de)(de)板(ban)(ban)(ban)(ban)(ban)料,不(bu)再使用(yong),【主詞(ci)】重新配回(hui)補(bu)(bu)板(ban)(ban)(ban)(ban)(ban),另配的(de)(de)(de)(de)(de)(de)回(hui)補(bu)(bu)板(ban)(ban)(ban)(ban)(ban)要用(yong)與(yu)換(huan)熱(re)(re)器(qi)(qi)(qi)螺旋(xuan)(xuan)板(ban)(ban)(ban)(ban)(ban)相(xiang)同(tong)的(de)(de)(de)(de)(de)(de)材(cai)料和板(ban)(ban)(ban)(ban)(ban)厚,其周(zhou)邊應(ying)(ying)比換(huan)熱(re)(re)器(qi)(qi)(qi)上每(mei)(mei)層割出(chu)的(de)(de)(de)(de)(de)(de)孔(kong)分別大(da)(da)15mm-20mm,且也為橢(tuo)圓形(xing),并(bing)做(zuo)成和換(huan)熱(re)(re)器(qi)(qi)(qi)每(mei)(mei)層螺旋(xuan)(xuan)板(ban)(ban)(ban)(ban)(ban)弧度相(xiang)一致的(de)(de)(de)(de)(de)(de)弧形(xing)。
管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)是(shi)(shi)(shi)把換(huan)(huan)熱(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)與(yu)(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)連接后(hou),再用筒體(ti)與(yu)(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱包起來,形(xing)(xing)成兩個獨立的(de)(de)空間。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內的(de)(de)通道(dao)及(ji)與(yu)(yu)其相貫通的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱稱為(wei)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)程(cheng);管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外的(de)(de)通道(dao)及(ji)與(yu)(yu)其相貫通的(de)(de)部分稱為(wei)殼(ke)(ke)程(cheng)。一種流體(ti)在管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內流動,而另(ling)一種流體(ti)在殼(ke)(ke)與(yu)(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)之間從管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外表面(mian)流過,為(wei)了保(bao)證殼(ke)(ke)程(cheng)流體(ti)能夠橫向(xiang)流過管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu),以形(xing)(xing)成較高的(de)(de)傳(chuan)熱(re)速率(lv),在外殼(ke)(ke)上裝有許多擋板(ban)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐(fu)(fu)蝕和(he)磨蝕失(shi)(shi)(shi)效(xiao)(xiao)的(de)(de)主要原因管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)在使用的(de)(de)過程(cheng)中可能會發(fa)生失(shi)(shi)(shi)效(xiao)(xiao)的(de)(de)情況,常見的(de)(de)失(shi)(shi)(shi)效(xiao)(xiao)是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失(shi)(shi)(shi)效(xiao)(xiao)的(de)(de)情況管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)腐(fu)(fu)蝕和(he)磨蝕失(shi)(shi)(shi)效(xiao)(xiao)、傳(chuan)熱(re)能力下降、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)泄漏(lou).以下是(shi)(shi)(shi)關(guan)于管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)官術失(shi)(shi)(shi)效(xiao)(xiao)的(de)(de)具體(ti)介紹。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)出現管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)失(shi)(shi)(shi)效(xiao)(xiao)的(de)(de)情況有哪些(xie)?管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)的(de)(de)失(shi)(shi)(shi)效(xiao)(xiao)大多數是(shi)(shi)(shi)由腐(fu)(fu)蝕引起的(de)(de)。最常見的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)器(qi)腐(fu)(fu)蝕部位是(shi)(shi)(shi)換(huan)(huan)熱(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),然(ran)后(hou)依(yi)次是(shi)(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、換(huan)(huan)熱(re)器(qi)封頭 及(ji)小直(zhi)徑的(de)(de)接管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。
管(guan)(guan)殼(ke)式(shi)換(huan)熱(re)(re)器(qi)(shell and tube heat exchanger)又稱(cheng)列管(guan)(guan)式(shi)換(huan)熱(re)(re)器(qi)。管(guan)(guan)殼(ke)式(shi)換(huan)熱(re)(re)器(qi)是以封閉(bi)在(zai)殼(ke)體(ti)(ti)中管(guan)(guan)束(shu)的(de)(de)壁面(mian)(mian)作為(wei)(wei)(wei)傳(chuan)熱(re)(re)面(mian)(mian)的(de)(de)間壁式(shi)換(huan)熱(re)(re)器(qi)。這(zhe)種(zhong)換(huan)熱(re)(re)器(qi)結(jie)構(gou)較簡單,操作可(ke)(ke)靠,可(ke)(ke)用各種(zhong)結(jie)構(gou)材料(主(zhu)要是金屬材料)制造(zao),能(neng)在(zai)高(gao)溫、高(gao)壓下使用,是目前(qian)應用廣的(de)(de)類型。管(guan)(guan)殼(ke)式(shi)換(huan)熱(re)(re)器(qi)是怎樣(yang)運行的(de)(de)管(guan)(guan)殼(ke)式(shi)換(huan)熱(re)(re)器(qi)由殼(ke)體(ti)(ti)、傳(chuan)熱(re)(re)管(guan)(guan)束(shu)、管(guan)(guan)板(ban)(ban)(ban)、折流(liu)(liu)(liu)(liu)板(ban)(ban)(ban)(擋板(ban)(ban)(ban))和(he)管(guan)(guan)箱等(deng)部件組成。殼(ke)體(ti)(ti)多(duo)為(wei)(wei)(wei)圓(yuan)筒形(xing)(xing)(xing),內部裝(zhuang)有管(guan)(guan)束(shu),管(guan)(guan)束(shu)兩端固(gu)定在(zai)管(guan)(guan)板(ban)(ban)(ban)上。進(jin)行換(huan)熱(re)(re)的(de)(de)冷熱(re)(re)兩種(zhong)流(liu)(liu)(liu)(liu)體(ti)(ti),一種(zhong)在(zai)管(guan)(guan)內流(liu)(liu)(liu)(liu)動,稱(cheng)為(wei)(wei)(wei)管(guan)(guan)程流(liu)(liu)(liu)(liu)體(ti)(ti);另(ling)一種(zhong)在(zai)管(guan)(guan)外(wai)流(liu)(liu)(liu)(liu)動,稱(cheng)為(wei)(wei)(wei)殼(ke)程流(liu)(liu)(liu)(liu)體(ti)(ti)。為(wei)(wei)(wei)提(ti)高(gao)管(guan)(guan)外(wai)流(liu)(liu)(liu)(liu)體(ti)(ti)的(de)(de)傳(chuan)熱(re)(re)分(fen)(fen)系數(shu),通(tong)常在(zai)殼(ke)體(ti)(ti)內安裝(zhuang)若干擋板(ban)(ban)(ban)。擋板(ban)(ban)(ban)可(ke)(ke)提(ti)高(gao)殼(ke)程流(liu)(liu)(liu)(liu)體(ti)(ti)速度(du),迫(po)使流(liu)(liu)(liu)(liu)體(ti)(ti)按(an)(an)規定路程多(duo)次橫向通(tong)過管(guan)(guan)束(shu),增強流(liu)(liu)(liu)(liu)體(ti)(ti)湍流(liu)(liu)(liu)(liu)程度(du)。換(huan)熱(re)(re)管(guan)(guan)在(zai)管(guan)(guan)板(ban)(ban)(ban)上可(ke)(ke)按(an)(an)等(deng)邊(bian)三(san)角(jiao)形(xing)(xing)(xing)或正方形(xing)(xing)(xing)排列。等(deng)邊(bian)三(san)角(jiao)形(xing)(xing)(xing)排列較緊(jin)湊(cou),管(guan)(guan)外(wai)流(liu)(liu)(liu)(liu)體(ti)(ti)湍動程度(du)高(gao),傳(chuan)熱(re)(re)分(fen)(fen)系數(shu)大;正方形(xing)(xing)(xing)排列則管(guan)(guan)外(wai)清洗方便(bian),適用于易(yi)結(jie)垢的(de)(de)流(liu)(liu)(liu)(liu)體(ti)(ti)。
管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換熱(re)(re)器(qi)(shell and tube heat exchanger)又(you)稱列管(guan)(guan)(guan)(guan)(guan)(guan)式(shi)換熱(re)(re)器(qi)。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換熱(re)(re)器(qi)是以(yi)封(feng)閉在(zai)(zai)殼(ke)(ke)體中(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)束的(de)壁面作(zuo)(zuo)為傳(chuan)熱(re)(re)面的(de)間壁式(shi)換熱(re)(re)器(qi)。這(zhe)種換熱(re)(re)器(qi)結(jie)構較簡(jian)單,操作(zuo)(zuo)可靠,可用(yong)(yong)各種結(jie)構材(cai)料(liao)(主要是金屬材(cai)料(liao))制造(zao),能(neng)在(zai)(zai)高溫(wen)、高壓下使(shi)用(yong)(yong),是目前(qian)應(ying)用(yong)(yong)廣(guang)的(de)類型。管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換熱(re)(re)器(qi)是怎(zen)樣運行(xing)的(de)管(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換熱(re)(re)器(qi)由(you)殼(ke)(ke)體、傳(chuan)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)束、管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、折流板(ban)(擋(dang)板(ban))和(he)管(guan)(guan)(guan)(guan)(guan)(guan)箱等部件組成。殼(ke)(ke)體多為圓筒形,內部裝(zhuang)有管(guan)(guan)(guan)(guan)(guan)(guan)束,管(guan)(guan)(guan)(guan)(guan)(guan)束兩(liang)端固(gu)定在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)上。進(jin)行(xing)換熱(re)(re)的(de)冷熱(re)(re)兩(liang)種流體,一(yi)種在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)內流動(dong),稱為管(guan)(guan)(guan)(guan)(guan)(guan)程流體;另一(yi)種在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)外流動(dong),稱為殼(ke)(ke)程流體。