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管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)是(shi)以(yi)封(feng)閉在殼(ke)(ke)體(ti)中(zhong)管(guan)(guan)(guan)(guan)(guan)束(shu)的壁(bi)面作為傳(chuan)熱(re)(re)(re)(re)(re)面的間(jian)壁(bi)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)。這種(zhong)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)結構較(jiao)簡單(dan),操(cao)作可(ke)靠,可(ke)用(yong)各種(zhong)結構材料(主要(yao)是(shi)金(jin)屬材料)制造,能在高(gao)溫(wen)、高(gao)壓下使用(yong),是(shi)目(mu)前(qian)應(ying)用(yong)廣的類型。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)是(shi)怎樣運(yun)行的管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)由殼(ke)(ke)體(ti)、傳(chuan)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)(guan)(guan)板(ban)(ban)、折(zhe)流板(ban)(ban)(擋板(ban)(ban))和管(guan)(guan)(guan)(guan)(guan)箱(xiang)等部(bu)件組成。殼(ke)(ke)體(ti)多為圓筒(tong)形(xing),內部(bu)裝有管(guan)(guan)(guan)(guan)(guan)束(shu),管(guan)(guan)(guan)(guan)(guan)束(shu)兩端固定在管(guan)(guan)(guan)(guan)(guan)板(ban)(ban)上(shang)。進行換(huan)(huan)熱(re)(re)(re)(re)(re)的冷(leng)熱(re)(re)(re)(re)(re)兩種(zhong)流體(ti),一(yi)種(zhong)在管(guan)(guan)(guan)(guan)(guan)內流動(dong),稱為管(guan)(guan)(guan)(guan)(guan)程流體(ti);另一(yi)種(zhong)在管(guan)(guan)(guan)(guan)(guan)外流動(dong),稱為殼(ke)(ke)程流體(ti)。
1.主換(huan)熱器(qi)熱端(duan)溫(wen)(wen)(wen)差(cha)偏大(da)(da)景象某(mou)廠12000m3爪空(kong)(kong)分(fen)設備接納分(fen)子篩(shai)吸附凈化、增壓透平(ping)膨大(da)(da)、規整填料上塔(ta)及全精(jing)餾(liu)無氫制氮外壓 縮(suo)流(liu)程。自(zi)空(kong)(kong)分(fen)設備開車以來(lai),用(yong)戶不斷反應主換(huan)熱器(qi)熱端(duan)溫(wen)(wen)(wen)差(cha)過(guo)(guo)大(da)(da),此(ci)中(zhong)(zhong)一組換(huan)熱器(qi)有7℃一8℃的溫(wen)(wen)(wen) 差(cha)。通(tong)(tong)過(guo)(guo)種種調理(li)花(hua)招,液體(ti)(ti)產量(liang)仍達不到(dao)條約(yue)要(yao)求的計劃值。檢查空(kong)(kong)分(fen)設備流(liu)程圖(tu)和(he)精(jing)餾(liu)塔(ta)總(zong)圖(tu)發(fa)明,6臺主換(huan)熱器(qi)(El一E6)分(fen)兩(liang)組散布(bu),分(fen)子篩(shai)吸附器(qi)出口(kou)(kou)(kou)空(kong)(kong) 氣通(tong)(tong)過(guo)(guo)正流(liu)空(kong)(kong)氣閥Vln和(he)vllZ分(fen)別進人El一E3和(he)E4一E6兩(liang)組換(huan)熱器(qi)。兩(liang)組換(huan)熱器(qi)之(zhi)間的熱端(duan)溫(wen)(wen)(wen)差(cha)可哄騙 v川和(he)vllZ閥來(lai)調理(li),每(mei)組內(nei)3個單位(wei)之(zhi)間靠冷箱內(nei)配管來(lai)平(ping)衡氣流(liu)的散布(bu)。增壓空(kong)(kong)氣出主換(huan)熱器(qi)各(ge)(ge)單位(wei) 有中(zhong)(zhong)部、底部兩(liang)個抽(chou)口(kou)(kou)(kou),進膨大(da)(da)機(ji)的空(kong)(kong)氣溫(wen)(wen)(wen)度由中(zhong)(zhong)部抽(chou)口(kou)(kou)(kou)總(zong)管閥V31和(he)底部抽(chou)口(kou)(kou)(kou)總(zong)管閥V犯來(lai)調理(li)。返流(liu) 氣體(ti)(ti)只要(yao)通(tong)(tong)過(guo)(guo)各(ge)(ge)自(zi)總(zong)管上的調理(li)閥來(lai)調理(li)流(liu)量(liang)。
封(feng)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)(ta)和管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)同屬于水換(huan)(huan)熱(re)(re)(re)(re)冷卻(que)裝置,有著本質的(de)區別(bie)。閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)(ta)除了熱(re)(re)(re)(re)交換(huan)(huan)的(de)過程(cheng),可以(yi)直接蒸發吸熱(re)(re)(re)(re),將熱(re)(re)(re)(re)量排走,而管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)只能(neng)換(huan)(huan)熱(re)(re)(re)(re),使(shi)用過程(cheng)中(zhong)還(huan)需要另(ling)外的(de)設備進行排熱(re)(re)(re)(re)。今天小衛給大家(jia)詳細(xi)介紹一下(xia)管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)和閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)(ta)有著哪(na)些不同之處(chu),在(zai)現實使(shi)用過程(cheng)中(zhong)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)(ta)替代管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)已成趨(qu)一、封(feng)閉(bi)式(shi)(shi)(shi)(shi)冷卻(que)塔(ta)(ta)(ta)管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)概念(nian)及結構管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)(shell and tube heat exchanger)又(you)稱列管(guan)(guan)(guan)(guan)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)。是以(yi)封(feng)閉(bi)在(zai)殼(ke)體中(zhong)管(guan)(guan)(guan)(guan)束(shu)(shu)(shu)的(de)壁面作(zuo)為傳(chuan)熱(re)(re)(re)(re)面的(de)間壁式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)。這種(zhong)換(huan)(huan)熱(re)(re)(re)(re)器(qi)結構較簡單,操作(zuo) ,可用各種(zhong)結構材(cai)料(liao)(主要是金(jin)屬材(cai)料(liao))制造,能(neng)在(zai)高管(guan)(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)(huan)熱(re)(re)(re)(re)器(qi)由殼(ke)體、傳(chuan)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)束(shu)(shu)(shu)、管(guan)(guan)(guan)(guan)板、折(zhe)流板(擋板)和管(guan)(guan)(guan)(guan)箱等部件(jian)組成。殼(ke)體多為圓(yuan)筒形(xing),內部裝有管(guan)(guan)(guan)(guan)束(shu)(shu)(shu),管(guan)(guan)(guan)(guan)束(shu)(shu)(shu)兩端固定(ding)在(zai)管(guan)(guan)(guan)(guan)板上。
容(rong)積(ji)(ji)式換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器是(shi)使(shi)(shi)用的(de)(de)(de)非常廣(guang)泛(fan)的(de)(de)(de)一(yi)種換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器,它(ta)主(zhu)要(yao)由器體、蒸汽盤管(guan)(guan)組件(jian),蒸汽進(jin)出口(kou)、冷熱(re)(re)(re)水進(jin)出口(kou)等(deng)組成,為(wei)防止器體內表(biao)面腐蝕,在表(biao)面上(shang)(shang)噴涂(tu)有(you)一(yi)層防腐合金(jin)層,并(bing)在合金(jin)層上(shang)(shang)刷制(zhi)有(you)油漆層,另取(qu)消原(yuan)有(you)管(guan)(guan)箱,蒸汽盤管(guan)(guan)通過法蘭直接(jie)外接(jie),從(cong)而使(shi)(shi)本實用新型(xing)具(ju)有(you)結構簡單合理、使(shi)(shi)用壽命長,換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)效(xiao)果好,節能等(deng)特點(dian)。那么容(rong)積(ji)(ji)式換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器怎(zen)么選擇?容(rong)積(ji)(ji)式換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器的(de)(de)(de)四大優點(dian)隨著(zhu)時代的(de)(de)(de)發(fa)展,科技的(de)(de)(de)進(jin)步,容(rong)積(ji)(ji)式換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器作為(wei)一(yi)種熱(re)(re)(re)交換(huan)(huan)(huan)(huan)(huan)(huan)設備(bei),廣(guang)泛(fan)應(ying)用于各行(xing)各業。其中(zhong)有(you)一(yi)種是(shi)波紋(wen)管(guan)(guan)式換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器,它(ta)一(yi)改傳(chuan)統換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)器使(shi)(shi)用厚壁鋼管(guan)(guan)做換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan),而采用薄(bo)壁不銹鋼管(guan)(guan)做換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan),并(bing)利用特殊裝置在薄(bo)壁不銹鋼管(guan)(guan)上(shang)(shang)加工出波紋(wen),使(shi)(shi)其成為(wei)一(yi)種沿換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)軸線方向上(shang)(shang)其橫截面積(ji)(ji)呈周期性變化。
產品介紹一、換熱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)。優質換熱器安(an)全(quan)閥的安(an)裝與(yu)使用(yong)(yong)應(ying)符合勞(lao)動人(ren)事部《壓力容器(qi)(qi)(qi)安(an)全(quan)技(ji)術檢查規定》b.在熱交(jiao)換(huan)器(qi)(qi)(qi)頂部裝設接通(tong)大氣的引出管(guan)(有條件的場合).裝設膨脹水箱(xiang),與(yu)熱交(jiao)換(huan)器(qi)(qi)(qi)連(lian)接,以放出膨脹部分的水。附(fu)注:若水中含有硬度(du)鹽(yan)類,在使用(yong)(yong)熱交(jiao)換(huan)器(qi)(qi)(qi)時(shi),器(qi)(qi)(qi)壁(bi)及管(guan)壁(bi)會形成水垢,導致換(huan)熱效率(lv)降低,能耗增(zeng)加,甚(shen)至影響使用(yong)(yong)。故(gu)應(ying)采取一定的措施(shi)。
換(huan)熱(re)器(qi)是一種比(bi)較常見(jian)的(de)(de)(de)工業設備,能(neng)夠將(jiang)熱(re)流體設備的(de)(de)(de)一部分熱(re)量傳送到溫度相(xiang)對較低(di)的(de)(de)(de)設備中。根(gen)據不(bu)同(tong)標準分類,可以將(jiang)換(huan)熱(re)器(qi)分成不(bu)同(tong)類別,不(bu)同(tong)類別的(de)(de)(de)換(huan)熱(re)器(qi)之(zhi)間是存在差異的(de)(de)(de),有(you)各自的(de)(de)(de)優缺點,適用(yong)的(de)(de)(de)場合也不(bu)盡相(xiang)同(tong)。1、在運(yun)轉換(huan)熱(re)設備前(qian)要先檢查全(quan)部接收能(neng)否曾經擰緊(jin),定奪(duo)系(xi)統(tong)參數不(bu)會(hui)超(chao)越制造標簽上(shang)容(rong)許的(de)(de)(de)工作壓(ya)力(li)和(he)溫度值。2、在啟(qi)動泵之(zhi)前(qian),應(ying)該先把容(rong)積(ji)式換(huan)熱(re)器(qi)的(de)(de)(de)全(quan)部閥門和(he)放氣閥都(dou)翻開,封閉(bi)換(huan)熱(re)器(qi)的(de)(de)(de)進(jin)口閥。3、啟(qi)動泵后,慢(man)慢(man)翻開泵的(de)(de)(de)出口閥,使壓(ya)力(li)慢(man)慢(man)上(shang)升(sheng),為防止單側超(chao)壓(ya),進(jin)容(rong)積(ji)式換(huan)熱(re)器(qi)的(de)(de)(de)兩種介質的(de)(de)(de)進(jin)口閥應(ying)該同(tong)時翻開,或先遲緩地注入低(di)壓(ya)側介質,再(zai)遲緩注入高壓(ya)測(ce)介質。