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管(guan)殼式(shi)換(huan)熱(re)(re)器(qi)是(shi)石油(you)化工(gong)行業的(de)(de)(de)(de)(de)重(zhong)(zhong)要設(she)(she)(she)備(bei)(bei)(bei),它的(de)(de)(de)(de)(de)腐蝕及保(bao)(bao)護(hu)對設(she)(she)(she)備(bei)(bei)(bei)的(de)(de)(de)(de)(de)長周期運行有著重(zhong)(zhong)要的(de)(de)(de)(de)(de)意義(yi);由于(yu)近年來加工(gong)原(yuan)油(you)中(zhong)的(de)(de)(de)(de)(de)硫、酸及雜質含(han)量(liang)越來越高,對煉油(you)換(huan)熱(re)(re)設(she)(she)(she)備(bei)(bei)(bei)的(de)(de)(de)(de)(de)防腐蝕性能及材料的(de)(de)(de)(de)(de)選擇(ze)提出了(le)(le)更高的(de)(de)(de)(de)(de)要求。文章(zhang)對采用專(zhuan)用涂料與(yu)犧牲(sheng)陽(yang)極(ji)綜合保(bao)(bao)護(hu)法進行了(le)(le)闡述,該方法工(gong)藝方案和(he)特點是(shi):管(guan)殼式(shi)換(huan)熱(re)(re)器(qi)的(de)(de)(de)(de)(de)工(gong)藝方案和(he)特點是(shi)什么(me)表面處理要徹底,合理選取(qu)保(bao)(bao)護(hu)電流密(mi)度(du),按(an)設(she)(she)(she)計(ji)要求確(que)定陽(yang)極(ji)塊,控制好濕(shi)度(du)和(he)溫(wen)度(du),涂料施工(gong)嚴格(ge)按(an)照(zhao)SHY-99涂料工(gong)藝進行,確(que)保(bao)(bao)綜合防護(hu)的(de)(de)(de)(de)(de)效果。目前國內(nei)石油(you)、化纖、冶金、發電等(deng)企業的(de)(de)(de)(de)(de)冷(leng)換(huan)器(qi)設(she)(she)(she)備(bei)(bei)(bei)經常由于(yu)水垢、腐蝕產物和(he)腐蝕物黏(nian)泥造成冷(leng)換(huan)器(qi)堵塞(sai),致傳熱(re)(re)系數下降,是(shi)冷(leng)卻(que)水系統中(zhong)常見的(de)(de)(de)(de)(de)問題。由于(yu)碳酸鹽垢的(de)(de)(de)(de)(de)導熱(re)(re)系數只有碳鋼的(de)(de)(de)(de)(de)1%左右,直接影響到了(le)(le)換(huan)熱(re)(re)效率,增(zeng)加了(le)(le)系統的(de)(de)(de)(de)(de)壓力降。
容(rong)積式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)是(shi)使(shi)用(yong)的(de)非常廣泛(fan)的(de)一種(zhong)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi),它主要由器(qi)(qi)體、蒸汽(qi)(qi)盤管(guan)(guan)(guan)(guan)(guan)組件,蒸汽(qi)(qi)進(jin)出口、冷熱(re)(re)(re)水進(jin)出口等組成(cheng),為防止器(qi)(qi)體內(nei)表面(mian)(mian)腐(fu)(fu)蝕,在表面(mian)(mian)上(shang)(shang)噴涂有(you)(you)一層防腐(fu)(fu)合金層,并(bing)(bing)在合金層上(shang)(shang)刷制(zhi)有(you)(you)油漆(qi)層,另取消(xiao)原有(you)(you)管(guan)(guan)(guan)(guan)(guan)箱(xiang),蒸汽(qi)(qi)盤管(guan)(guan)(guan)(guan)(guan)通過法蘭直接外接,從而使(shi)本實用(yong)新型具有(you)(you)結構簡(jian)單(dan)合理、使(shi)用(yong)壽命長(chang),換(huan)(huan)(huan)(huan)熱(re)(re)(re)效(xiao)果好,節能等特(te)點。那么容(rong)積式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)怎(zen)么選(xuan)擇(ze)?容(rong)積式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)的(de)四大優(you)點隨著(zhu)時代的(de)發展,科技的(de)進(jin)步,容(rong)積式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)作(zuo)為一種(zhong)熱(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)設備,廣泛(fan)應用(yong)于(yu)各行各業。其中有(you)(you)一種(zhong)是(shi)波(bo)紋管(guan)(guan)(guan)(guan)(guan)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi),它一改(gai)傳統換(huan)(huan)(huan)(huan)熱(re)(re)(re)器(qi)(qi)使(shi)用(yong)厚壁(bi)鋼管(guan)(guan)(guan)(guan)(guan)做(zuo)換(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan),而采(cai)用(yong)薄壁(bi)不(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)(guan)做(zuo)換(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan),并(bing)(bing)利用(yong)特(te)殊裝置在薄壁(bi)不(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)(guan)上(shang)(shang)加工出波(bo)紋,使(shi)其成(cheng)為一種(zhong)沿換(huan)(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)軸線方(fang)向上(shang)(shang)其橫截面(mian)(mian)積呈周期性(xing)變化。
管(guan)(guan)(guan)殼式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)又稱(cheng)列管(guan)(guan)(guan)式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)。是(shi)以封閉在殼體中管(guan)(guan)(guan)束(shu)的壁面(mian)作(zuo)為(wei)傳熱(re)(re)(re)(re)面(mian)的間(jian)壁式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)。這種(zhong)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)結(jie)構較簡(jian)單(dan),操(cao)作(zuo)可靠(kao),可用(yong)(yong)各種(zhong)結(jie)構材料制造,能(neng)在高溫、高壓下(xia)(xia)使用(yong)(yong),是(shi)目前應用(yong)(yong)廣泛的類型(xing)。在使用(yong)(yong)一段時間(jian)之后對管(guan)(guan)(guan)殼式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)清洗(xi)非常(chang)的重(zhong)要,一般由于(yu)工業(ye)上使用(yong)(yong)長久管(guan)(guan)(guan)殼式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)里(li)面(mian)的管(guan)(guan)(guan)道會出(chu)現各種(zhong)灰塵(chen)和沉淀物的粘黏,導(dao)(dao)致(zhi)換(huan)熱(re)(re)(re)(re)效率下(xia)(xia)降,變相提高生產成本,嚴(yan)重(zhong)還會導(dao)(dao)致(zhi)管(guan)(guan)(guan)殼式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)使用(yong)(yong)壽命,造成損失。清洗(xi)有(you)利于(yu)提高換(huan)熱(re)(re)(re)(re)效率:管(guan)(guan)(guan)殼式(shi)換(huan)熱(re)(re)(re)(re)器(qi)(qi)(qi)(qi)(qi)(qi)或(huo)管(guan)(guan)(guan)道運(yun)行一段時間(jian)后,表面(mian)往(wang)往(wang)會結(jie)一層(ceng)污垢,污垢一般較為(wei)致(zhi)密堅硬,熱(re)(re)(re)(re)導(dao)(dao)率很小。污垢的阻礙效率大得驚人(ren),里(li)面(mian)的有(you)機離子、灰塵(chen)若無重(zhong)視可能(neng)導(dao)(dao)致(zhi)不可避免的其他問(wen)題(ti)的產生。
什么是容積式換熱器設備,可能很多人沒有聽說過,廣西熱水機組它是用來干什么的就不得而知了,下面就帶大家來了解一下容積式換熱器有哪些用途,一般適用在哪些場所?1.鍋爐房熱水制備在一般性用途中,賓館、酒店的鍋爐房產生蒸汽、高溫熱水后進入容積式換熱器,進而產生洗浴或洗手、洗菜用的熱水,輸送到用水房間進行熱水使用。2.太陽能熱水換熱 在國內越來越多的太陽能熱水工程中,太陽能集熱器利用太陽能產生高溫水溶液,高溫水溶液再進入容積式換熱器,高溫水溶液將低溫冷水加熱到50-60攝氏度的熱水,此用途的項目越來越普遍。3.熱力熱源廠熱水供應 此類多是熱源廠供熱蒸汽或高溫熱水的工況,熱水機組哪家好通過熱(re)(re)力管(guan)道輸送到賓館、酒(jiu)店、學校等公共建筑,汽水(shui)(shui)換熱(re)(re)或水(shui)(shui)水(shui)(shui)換熱(re)(re)后(hou)把冷水(shui)(shui)加(jia)熱(re)(re)成(cheng)適于洗浴(yu)的熱(re)(re)水(shui)(shui),保障了居民的熱(re)(re)水(shui)(shui)使用。從(cong)目前國內容積(ji)式換熱(re)(re)器用途中(zhong),洗浴(yu)稱為(wei)該設(she)備非常重要(yao)(yao)的、主要(yao)(yao)的用途。