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容(rong)積(ji)式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)是使(shi)用(yong)(yong)的非(fei)常廣泛的一(yi)種換(huan)(huan)熱(re)(re)(re)器(qi),它主要由器(qi)體、蒸(zheng)汽(qi)盤(pan)(pan)管(guan)(guan)(guan)(guan)組件,蒸(zheng)汽(qi)進(jin)(jin)出口、冷熱(re)(re)(re)水進(jin)(jin)出口等(deng)組成,為(wei)防(fang)止器(qi)體內表面腐蝕,在(zai)表面上(shang)噴涂有一(yi)層(ceng)防(fang)腐合(he)金層(ceng),并(bing)在(zai)合(he)金層(ceng)上(shang)刷制有油漆層(ceng),另取消原(yuan)有管(guan)(guan)(guan)(guan)箱(xiang),蒸(zheng)汽(qi)盤(pan)(pan)管(guan)(guan)(guan)(guan)通過(guo)法蘭直接(jie)外接(jie),從而使(shi)本(ben)實(shi)用(yong)(yong)新型具有結構簡單合(he)理、使(shi)用(yong)(yong)壽命長,換(huan)(huan)熱(re)(re)(re)效果好(hao),節(jie)能等(deng)特(te)(te)點(dian)。那么容(rong)積(ji)式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)怎么選擇?容(rong)積(ji)式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)的四(si)大優點(dian)隨著時代的發展,科技的進(jin)(jin)步,容(rong)積(ji)式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi)作(zuo)為(wei)一(yi)種熱(re)(re)(re)交換(huan)(huan)設備,廣泛應用(yong)(yong)于各(ge)行各(ge)業(ye)。其中(zhong)有一(yi)種是波紋管(guan)(guan)(guan)(guan)式(shi)(shi)換(huan)(huan)熱(re)(re)(re)器(qi),它一(yi)改傳(chuan)統換(huan)(huan)熱(re)(re)(re)器(qi)使(shi)用(yong)(yong)厚壁鋼(gang)管(guan)(guan)(guan)(guan)做(zuo)(zuo)換(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan),而采用(yong)(yong)薄壁不(bu)(bu)銹(xiu)鋼(gang)管(guan)(guan)(guan)(guan)做(zuo)(zuo)換(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan),并(bing)利用(yong)(yong)特(te)(te)殊裝置在(zai)薄壁不(bu)(bu)銹(xiu)鋼(gang)管(guan)(guan)(guan)(guan)上(shang)加工(gong)出波紋,使(shi)其成為(wei)一(yi)種沿換(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)軸線方(fang)向上(shang)其橫截面積(ji)呈(cheng)周期(qi)性變化。
板式換熱器本身技術指標上存在過流孔徑,進水水質請求,經過比照實踐進水水質指標(冷水進水水質,熱水進水水質),需求留意一下幾點:生活熱水設備價格進水水質酸堿性(包括冷水和用于換熱的熱水),假如超出板式換熱器進水技術指標,需求加裝PH調理安裝,避免過酸腐蝕或者過堿構造梗塞;同事堿性也會腐蝕換熱器密封橡膠圈招致走漏呈現.假如進水濁度超標或進水中雜質過多過大(包括冷水和用于換熱的熱水),倡議加裝自清洗過濾器,避免板式換熱器梗塞,假如影響不是很大,只需在進水端加裝Y型過濾器即可.河北生活熱水設備價格閉路循環要思(si)索增加加藥安裝,如投加緩蝕阻垢劑避免結垢。
換熱(re)(re)(re)器是(shi)一(yi)種(zhong)比較常見的(de)(de)工業設備(bei)(bei),能(neng)夠(gou)將熱(re)(re)(re)流(liu)(liu)體設備(bei)(bei)的(de)(de)一(yi)部(bu)分熱(re)(re)(re)量(liang)傳(chuan)送(song)到溫(wen)(wen)度相對(dui)較低的(de)(de)設備(bei)(bei)中(zhong)。根(gen)據不(bu)(bu)(bu)同(tong)(tong)(tong)標準分類(lei),可以將換熱(re)(re)(re)器分成(cheng)不(bu)(bu)(bu)同(tong)(tong)(tong)類(lei)別,不(bu)(bu)(bu)同(tong)(tong)(tong)類(lei)別的(de)(de)換熱(re)(re)(re)器之(zhi)間(jian)是(shi)存(cun)在差異的(de)(de),有各自的(de)(de)優缺(que)點(dian)(dian)(dian),適(shi)用(yong)(yong)(yong)的(de)(de)場合(he)(he)也不(bu)(bu)(bu)盡(jin)相同(tong)(tong)(tong)。以下就是(shi)關于不(bu)(bu)(bu)同(tong)(tong)(tong)換熱(re)(re)(re)器的(de)(de)優缺(que)點(dian)(dian)(dian)的(de)(de)總結。不(bu)(bu)(bu)同(tong)(tong)(tong)換熱(re)(re)(re)器的(de)(de)優點(dian)(dian)(dian)和缺(que)點(dian)(dian)(dian)被加熱(re)(re)(re)水(shui)通過罐體阻(zu)力損失(shi)小(xiao)。結構簡單、管(guan)理方(fang)便,可承受水(shui)壓(ya),噪音低。換熱(re)(re)(re)面積(ji)大(da),換熱(re)(re)(re)量(liang)高。供水(shui)水(shui)壓(ya)、水(shui)溫(wen)(wen)穩(wen)定、安全(quan)、節水(shui)、用(yong)(yong)(yong)水(shui)舒(shu)適(shi)。使用(yong)(yong)(yong)壽命(ming)長。缺(que)點(dian)(dian)(dian):外形(xing)體積(ji)較大(da)、換熱(re)(re)(re)效(xiao)率相對(dui)較低。殼程清洗不(bu)(bu)(bu)方(fang)便。殼體與管(guan)子之(zhi)間(jian)無溫(wen)(wen)差補償(chang)(chang)元(yuan)件(jian)時會產生較大(da)的(de)(de)溫(wen)(wen)差應(ying)(ying)力, 即溫(wen)(wen)差較大(da)是(shi)需(xu)要采用(yong)(yong)(yong)膨(peng)脹節或波紋(wen)管(guan)等(deng)補償(chang)(chang)元(yuan)件(jian)減小(xiao)溫(wen)(wen)差應(ying)(ying)力。板(ban)式換熱(re)(re)(re)器優點(dian)(dian)(dian):傳(chuan)熱(re)(re)(re)效(xiao)率高,對(dui)數溫(wen)(wen)差大(da),重量(liang)輕、占地面積(ji)小(xiao),清洗方(fang)便,而且容易(yi)改變換 熱(re)(re)(re)面積(ji)或流(liu)(liu)程組(zu)合(he)(he),適(shi)用(yong)(yong)(yong)于多重介(jie)質換熱(re)(re)(re)。
管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)(shell and tube heat exchanger)又稱(cheng)列(lie)管(guan)(guan)(guan)式換(huan)(huan)熱(re)(re)器(qi)。管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)是(shi)以封閉(bi)在(zai)(zai)殼體(ti)(ti)中管(guan)(guan)(guan)束(shu)的(de)壁(bi)(bi)面作為傳熱(re)(re)面的(de)間壁(bi)(bi)式換(huan)(huan)熱(re)(re)器(qi)。這種(zhong)(zhong)換(huan)(huan)熱(re)(re)器(qi)結構較簡單,操作可(ke)靠,可(ke)用各種(zhong)(zhong)結構材料(主要(yao)是(shi)金屬(shu)材料)制造,能在(zai)(zai)高(gao)溫、高(gao)壓下使(shi)用,是(shi)目前(qian)應用廣的(de)類(lei)型(xing)。管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)是(shi)怎樣運行(xing)的(de)管(guan)(guan)(guan)殼式換(huan)(huan)熱(re)(re)器(qi)由殼體(ti)(ti)、傳熱(re)(re)管(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)板、折流(liu)板(擋(dang)板)和管(guan)(guan)(guan)箱等(deng)(deng)(deng)部(bu)件(jian)組成。殼體(ti)(ti)多(duo)(duo)為圓筒形,內部(bu)裝有管(guan)(guan)(guan)束(shu),管(guan)(guan)(guan)束(shu)兩端(duan)固定在(zai)(zai)管(guan)(guan)(guan)板上。進行(xing)換(huan)(huan)熱(re)(re)的(de)冷熱(re)(re)兩種(zhong)(zhong)流(liu)體(ti)(ti),一種(zhong)(zhong)在(zai)(zai)管(guan)(guan)(guan)內流(liu)動(dong)(dong),稱(cheng)為管(guan)(guan)(guan)程(cheng)(cheng)流(liu)體(ti)(ti);另一種(zhong)(zhong)在(zai)(zai)管(guan)(guan)(guan)外(wai)流(liu)動(dong)(dong),稱(cheng)為殼程(cheng)(cheng)流(liu)體(ti)(ti)。為提(ti)高(gao)管(guan)(guan)(guan)外(wai)流(liu)體(ti)(ti)的(de)傳熱(re)(re)分(fen)系數(shu)(shu),通常在(zai)(zai)殼體(ti)(ti)內安裝若干擋(dang)板。擋(dang)板可(ke)提(ti)高(gao)殼程(cheng)(cheng)流(liu)體(ti)(ti)速度(du),迫使(shi)流(liu)體(ti)(ti)按規定路程(cheng)(cheng)多(duo)(duo)次橫(heng)向通過管(guan)(guan)(guan)束(shu),增強(qiang)流(liu)體(ti)(ti)湍流(liu)程(cheng)(cheng)度(du)。換(huan)(huan)熱(re)(re)管(guan)(guan)(guan)在(zai)(zai)管(guan)(guan)(guan)板上可(ke)按等(deng)(deng)(deng)邊(bian)(bian)三角形或正方形排列(lie)。等(deng)(deng)(deng)邊(bian)(bian)三角形排列(lie)較緊(jin)湊,管(guan)(guan)(guan)外(wai)流(liu)體(ti)(ti)湍動(dong)(dong)程(cheng)(cheng)度(du)高(gao),傳熱(re)(re)分(fen)系數(shu)(shu)大;正方形排列(lie)則管(guan)(guan)(guan)外(wai)清洗方便(bian),適用于易結垢(gou)的(de)流(liu)體(ti)(ti)。
半容(rong)(rong)積(ji)(ji)式換熱(re)器由(you)于具(ju)有良(liang)好的(de)(de)(de)(de)性能與(yu)使用(yong)優(you)勢,因(yin)此很多消(xiao)費(fei)者(zhe)在(zai)(zai)(zai)選(xuan)購換熱(re)器產品時都會考慮該(gai)類型的(de)(de)(de)(de)產品。但是(shi),由(you)于目(mu)前市(shi)場上該(gai)產品設(she)(she)備(bei)(bei)的(de)(de)(de)(de)品牌(pai)種類眾多,消(xiao)費(fei)者(zhe)在(zai)(zai)(zai)選(xuan)購時一(yi)定(ding)要(yao)注意一(yi)些具(ju)體(ti)的(de)(de)(de)(de)內容(rong)(rong)。下面(mian)就來(lai)介紹一(yi)下,消(xiao)費(fei)者(zhe)應該(gai)注意的(de)(de)(de)(de)內容(rong)(rong)有哪些。設(she)(she)備(bei)(bei)的(de)(de)(de)(de)材質半容(rong)(rong)積(ji)(ji)式換熱(re)器的(de)(de)(de)(de)材質是(shi)比(bi)較重要(yao)的(de)(de)(de)(de)一(yi)個(ge)方面(mian),消(xiao)費(fei)者(zhe)在(zai)(zai)(zai)選(xuan)購的(de)(de)(de)(de)設(she)(she)備(bei)(bei)的(de)(de)(de)(de)過程中,需(xu)要(yao)對設(she)(she)備(bei)(bei)的(de)(de)(de)(de)生產材料進(jin)行選(xuan)擇。一(yi)般來(lai)說(shuo),換熱(re)器設(she)(she)備(bei)(bei)都是(shi)采用(yong)不(bu)銹鋼材料生產的(de)(de)(de)(de),該(gai)材質的(de)(de)(de)(de)設(she)(she)備(bei)(bei)具(ju)有良(liang)好的(de)(de)(de)(de)耐(nai)腐蝕性能,可以擁有較長的(de)(de)(de)(de)使用(yong)壽命(ming)。 設(she)(she)備(bei)(bei)的(de)(de)(de)(de)容(rong)(rong)量消(xiao)費(fei)者(zhe)在(zai)(zai)(zai)選(xuan)購半容(rong)(rong)積(ji)(ji)式換熱(re)器時,還需(xu)要(yao)對設(she)(she)備(bei)(bei)的(de)(de)(de)(de)容(rong)(rong)量進(jin)行選(xuan)擇。
1.主(zhu)(zhu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)熱(re)(re)端(duan)溫(wen)差(cha)偏大(da)景象某廠12000m3爪空(kong)(kong)分(fen)(fen)設(she)備接納分(fen)(fen)子篩吸附凈化、增壓(ya)(ya)透平膨大(da)、規整填料上塔及全精(jing)餾無氫制(zhi)氮外壓(ya)(ya) 縮流程。自空(kong)(kong)分(fen)(fen)設(she)備開車(che)以來,用戶不斷反應主(zhu)(zhu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)熱(re)(re)端(duan)溫(wen)差(cha)過大(da),此中(zhong)一(yi)組(zu)(zu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)有(you)7℃一(yi)8℃的溫(wen) 差(cha)。通過種種調(diao)理花招(zhao),液體產量(liang)仍達(da)不到(dao)條約要求的計(ji)劃值。檢查空(kong)(kong)分(fen)(fen)設(she)備流程圖(tu)和(he)精(jing)餾塔總圖(tu)發(fa)明,6臺主(zhu)(zhu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)(El一(yi)E6)分(fen)(fen)兩(liang)組(zu)(zu)散(san)(san)布,分(fen)(fen)子篩吸附器(qi)(qi)(qi)出口(kou)空(kong)(kong) 氣(qi)通過正流空(kong)(kong)氣(qi)閥Vln和(he)vllZ分(fen)(fen)別進人El一(yi)E3和(he)E4一(yi)E6兩(liang)組(zu)(zu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)。兩(liang)組(zu)(zu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)之間(jian)的熱(re)(re)端(duan)溫(wen)差(cha)可哄騙 v川和(he)vllZ閥來調(diao)理,每組(zu)(zu)內3個單位(wei)之間(jian)靠冷箱內配管來平衡氣(qi)流的散(san)(san)布。增壓(ya)(ya)空(kong)(kong)氣(qi)出主(zhu)(zhu)換(huan)(huan)熱(re)(re)器(qi)(qi)(qi)各單位(wei) 有(you)中(zhong)部(bu)、底(di)部(bu)兩(liang)個抽(chou)口(kou),進膨大(da)機的空(kong)(kong)氣(qi)溫(wen)度由中(zhong)部(bu)抽(chou)口(kou)總管閥V31和(he)底(di)部(bu)抽(chou)口(kou)總管閥V犯來調(diao)理。返流 氣(qi)體只要通過各自總管上的調(diao)理閥來調(diao)理流量(liang)。