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管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)是(shi)(shi)把換(huan)熱(re)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)與管(guan)(guan)(guan)(guan)(guan)板(ban)連接(jie)后,再用筒(tong)體(ti)(ti)與管(guan)(guan)(guan)(guan)(guan)箱包起來(lai),形成兩個獨立的(de)(de)(de)(de)(de)(de)(de)空間。管(guan)(guan)(guan)(guan)(guan)內的(de)(de)(de)(de)(de)(de)(de)通(tong)道及與其相貫通(tong)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)箱稱為(wei)管(guan)(guan)(guan)(guan)(guan)程;管(guan)(guan)(guan)(guan)(guan)外(wai)的(de)(de)(de)(de)(de)(de)(de)通(tong)道及與其相貫通(tong)的(de)(de)(de)(de)(de)(de)(de)部分稱為(wei)殼(ke)(ke)(ke)程。一種流(liu)體(ti)(ti)在管(guan)(guan)(guan)(guan)(guan)內流(liu)動,而另一種流(liu)體(ti)(ti)在殼(ke)(ke)(ke)與管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)之間從(cong)管(guan)(guan)(guan)(guan)(guan)外(wai)表面(mian)流(liu)過(guo),為(wei)了保證殼(ke)(ke)(ke)程流(liu)體(ti)(ti)能夠橫向流(liu)過(guo)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu),以形成較高的(de)(de)(de)(de)(de)(de)(de)傳熱(re)速率,在外(wai)殼(ke)(ke)(ke)上裝有(you)許多(duo)擋板(ban)。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)腐(fu)(fu)蝕(shi)(shi)(shi)和(he)磨蝕(shi)(shi)(shi)失(shi)(shi)效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)主要原(yuan)因管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)在使用的(de)(de)(de)(de)(de)(de)(de)過(guo)程中可能會發生失(shi)(shi)效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)情況,常(chang)見(jian)的(de)(de)(de)(de)(de)(de)(de)失(shi)(shi)效(xiao)(xiao)是(shi)(shi)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)失(shi)(shi)效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)情況管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)腐(fu)(fu)蝕(shi)(shi)(shi)和(he)磨蝕(shi)(shi)(shi)失(shi)(shi)效(xiao)(xiao)、傳熱(re)能力下降、管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)泄漏.以下是(shi)(shi)關于管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)官術失(shi)(shi)效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)具體(ti)(ti)介(jie)紹。管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)出現(xian)管(guan)(guan)(guan)(guan)(guan)束(shu)(shu)(shu)失(shi)(shi)效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)情況有(you)哪些?管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)失(shi)(shi)效(xiao)(xiao)大多(duo)數是(shi)(shi)由腐(fu)(fu)蝕(shi)(shi)(shi)引起的(de)(de)(de)(de)(de)(de)(de)。最常(chang)見(jian)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)腐(fu)(fu)蝕(shi)(shi)(shi)部位(wei)是(shi)(shi)換(huan)熱(re)管(guan)(guan)(guan)(guan)(guan),然(ran)后依(yi)次是(shi)(shi)管(guan)(guan)(guan)(guan)(guan)板(ban)、換(huan)熱(re)器(qi)(qi)封頭(tou) 及小直(zhi)徑的(de)(de)(de)(de)(de)(de)(de)接(jie)管(guan)(guan)(guan)(guan)(guan)。
管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器(shell and tube heat exchanger)又稱(cheng)列(lie)管(guan)(guan)(guan)(guan)式(shi)換(huan)(huan)熱(re)(re)(re)器。管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器是以封閉(bi)在(zai)(zai)(zai)殼(ke)(ke)體(ti)(ti)(ti)(ti)(ti)(ti)中管(guan)(guan)(guan)(guan)束(shu)(shu)的(de)壁面作為(wei)傳(chuan)熱(re)(re)(re)面的(de)間壁式(shi)換(huan)(huan)熱(re)(re)(re)器。這種換(huan)(huan)熱(re)(re)(re)器結(jie)(jie)構較簡(jian)單,操作可(ke)靠,可(ke)用各種結(jie)(jie)構材(cai)(cai)料(liao)(主要是金屬材(cai)(cai)料(liao))制造(zao),能在(zai)(zai)(zai)高(gao)溫、高(gao)壓(ya)下使用,是目前(qian)應用廣的(de)類型。管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器是怎樣運行的(de)管(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)熱(re)(re)(re)器由(you)殼(ke)(ke)體(ti)(ti)(ti)(ti)(ti)(ti)、傳(chuan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)束(shu)(shu)、管(guan)(guan)(guan)(guan)板、折流(liu)(liu)(liu)(liu)(liu)板(擋(dang)板)和管(guan)(guan)(guan)(guan)箱(xiang)等部件組成。殼(ke)(ke)體(ti)(ti)(ti)(ti)(ti)(ti)多(duo)為(wei)圓筒形(xing)(xing)(xing),內(nei)部裝(zhuang)有(you)管(guan)(guan)(guan)(guan)束(shu)(shu),管(guan)(guan)(guan)(guan)束(shu)(shu)兩(liang)端(duan)固定(ding)在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)板上(shang)。進行換(huan)(huan)熱(re)(re)(re)的(de)冷(leng)熱(re)(re)(re)兩(liang)種流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti),一種在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)內(nei)流(liu)(liu)(liu)(liu)(liu)動(dong),稱(cheng)為(wei)管(guan)(guan)(guan)(guan)程(cheng)(cheng)流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti);另一種在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)(liu)動(dong),稱(cheng)為(wei)殼(ke)(ke)程(cheng)(cheng)流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)。為(wei)提高(gao)管(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)的(de)傳(chuan)熱(re)(re)(re)分系(xi)數(shu),通(tong)常在(zai)(zai)(zai)殼(ke)(ke)體(ti)(ti)(ti)(ti)(ti)(ti)內(nei)安裝(zhuang)若(ruo)干擋(dang)板。擋(dang)板可(ke)提高(gao)殼(ke)(ke)程(cheng)(cheng)流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)速(su)度,迫使流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)按(an)規定(ding)路(lu)程(cheng)(cheng)多(duo)次橫向通(tong)過管(guan)(guan)(guan)(guan)束(shu)(shu),增強流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)湍流(liu)(liu)(liu)(liu)(liu)程(cheng)(cheng)度。換(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)板上(shang)可(ke)按(an)等邊三(san)角形(xing)(xing)(xing)或正(zheng)方(fang)形(xing)(xing)(xing)排(pai)列(lie)。等邊三(san)角形(xing)(xing)(xing)排(pai)列(lie)較緊湊,管(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)湍動(dong)程(cheng)(cheng)度高(gao),傳(chuan)熱(re)(re)(re)分系(xi)數(shu)大;正(zheng)方(fang)形(xing)(xing)(xing)排(pai)列(lie)則(ze)管(guan)(guan)(guan)(guan)外清洗方(fang)便,適用于易結(jie)(jie)垢的(de)流(liu)(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)(ti)。
熱容積式換熱器是一種新型高效換熱設備,半容積式換熱器價格它集波紋管換熱器和容積式換熱器的有限于一體,采用薄壁不銹鋼波紋管作為換熱元件。由于波紋管獨特的波形,實現了管內外充分湍流,打破了邊界層,降低了管壁熱阻,提高了管內的給熱系數。波紋管即熱容積式換熱器在溫差應力的作用下,波紋在軸向存在伸縮變形,使管壁不宜結垢,即使結垢,也會由于管子的伸縮而脫落。因此,該系列容積式換熱器具有如下特點:1、換熱效率高。2、防垢、除垢能力強。3、儲水量大,出水溫度恒定。4、出水能力是其他容積式換熱器的3-5倍。5、體積小,占地面積小,可節省占地面積30%-80%。波紋管即熱容積式換貴州半容積式換熱器價格熱(re)器分為立式與臥式兩種系列(lie),按照熱(re)源介質分為汽(qi)水(shui)型與水(shui)水(shui)型。
容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi)是(shi)使(shi)(shi)(shi)用的(de)(de)非常廣(guang)泛(fan)的(de)(de)一種換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi),它主(zhu)要由器(qi)(qi)(qi)體、蒸(zheng)汽盤(pan)管(guan)(guan)組件,蒸(zheng)汽進(jin)出(chu)(chu)口(kou)(kou)、冷(leng)熱(re)(re)水(shui)進(jin)出(chu)(chu)口(kou)(kou)等(deng)組成,為(wei)防(fang)止(zhi)器(qi)(qi)(qi)體內表面(mian)腐(fu)蝕,在(zai)表面(mian)上噴(pen)涂有一層防(fang)腐(fu)合金層,并在(zai)合金層上刷制有油漆層,另取消原有管(guan)(guan)箱,蒸(zheng)汽盤(pan)管(guan)(guan)通過法蘭直接外接,從而使(shi)(shi)(shi)本實(shi)用新(xin)型(xing)具有結構簡單(dan)合理、使(shi)(shi)(shi)用壽命(ming)長,換(huan)(huan)(huan)(huan)熱(re)(re)效(xiao)果好,節能等(deng)特點。那(nei)么容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi)怎么選擇?容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi)的(de)(de)四(si)大(da)優點隨著(zhu)時代的(de)(de)發展(zhan),科技(ji)的(de)(de)進(jin)步,容(rong)積(ji)(ji)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi)作為(wei)一種熱(re)(re)交(jiao)換(huan)(huan)(huan)(huan)設備,廣(guang)泛(fan)應(ying)用于(yu)各行各業。其中有一種是(shi)波紋(wen)管(guan)(guan)式(shi)換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi),它一改傳(chuan)統換(huan)(huan)(huan)(huan)熱(re)(re)器(qi)(qi)(qi)使(shi)(shi)(shi)用厚(hou)壁(bi)鋼(gang)管(guan)(guan)做換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan),而采用薄壁(bi)不(bu)銹(xiu)鋼(gang)管(guan)(guan)做換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan),并利用特殊裝置在(zai)薄壁(bi)不(bu)銹(xiu)鋼(gang)管(guan)(guan)上加工出(chu)(chu)波紋(wen),使(shi)(shi)(shi)其成為(wei)一種沿換(huan)(huan)(huan)(huan)熱(re)(re)管(guan)(guan)軸線方向上其橫截面(mian)積(ji)(ji)呈(cheng)周期性(xing)變化。
1、挖孔:在確(que)定了(le)內漏點(dian)的位置后,從換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)外(wai)層(ceng)(ceng)(ceng)(ceng)對(dui)應(ying)著漏點(dian)的地方(fang),開始割(ge)孔,順(shun)序是由(you)外(wai)向里,一(yi)直割(ge)到有內漏點(dian)的那一(yi)層(ceng)(ceng)(ceng)(ceng)為(wei)止。割(ge)出(chu)的孔應(ying)為(wei)橢(tuo)圓形,且(qie)尺(chi)寸的大(da)小(xiao)(xiao)是外(wai)層(ceng)(ceng)(ceng)(ceng)大(da),向里逐漸小(xiao)(xiao),一(yi)般每層(ceng)(ceng)(ceng)(ceng)板(ban)上孔的大(da)小(xiao)(xiao)相差40mm,如漏點(dian)位置較深,在外(wai)層(ceng)(ceng)(ceng)(ceng)割(ge)出(chu)的孔應(ying)較大(da)。換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)內漏處(chu)的3種(zhong)處(chu)理(li)(li)辦法(fa)2、清渣:在割(ge)完孔后,應(ying)對(dui)留在每層(ceng)(ceng)(ceng)(ceng)板(ban)上的氧化渣認真進(jin)行清理(li)(li),這是在對(dui)焊(han)回(hui)(hui)補(bu)(bu)板(ban)時,回(hui)(hui)補(bu)(bu)板(ban)與(yu)每層(ceng)(ceng)(ceng)(ceng)螺旋板(ban)能否貼(tie)緊焊(han)牢(lao)的關鍵(jian),可用(yong)鏨(zan)子和修(xiu)整模具(ju)用(yong)的小(xiao)(xiao)手砂輪清理(li)(li)氧化渣,注意(yi)應(ying)盡量將清理(li)(li)的渣子清出(chu),不(bu)讓(rang)其掉進(jin)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)內。換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)內漏處(chu)的3種(zhong)處(chu)理(li)(li)辦法(fa)3、配回(hui)(hui)補(bu)(bu)板(ban):換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)內漏處(chu)的3種(zhong)處(chu)理(li)(li)辦法(fa)為(wei)保證修(xiu)理(li)(li)的質(zhi)量,從換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)上每層(ceng)(ceng)(ceng)(ceng)割(ge)下來的板(ban)料(liao),不(bu)再使用(yong),【主(zhu)詞】重新(xin)配回(hui)(hui)補(bu)(bu)板(ban),另配的回(hui)(hui)補(bu)(bu)板(ban)要用(yong)與(yu)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)螺旋板(ban)相同的材(cai)料(liao)和板(ban)厚,其周邊應(ying)比換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)上每層(ceng)(ceng)(ceng)(ceng)割(ge)出(chu)的孔分別大(da)15mm-20mm,且(qie)也(ye)為(wei)橢(tuo)圓形,并做成和換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)每層(ceng)(ceng)(ceng)(ceng)螺旋板(ban)弧度(du)相一(yi)致的弧形。
管(guan)殼(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)又稱列管(guan)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)。是以(yi)封閉在殼(ke)體中管(guan)束的壁(bi)面作為傳熱(re)面的間壁(bi)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)。這種(zhong)換(huan)熱(re)器(qi)(qi)(qi)結構較簡單,操作可(ke)靠,可(ke)用各(ge)種(zhong)結構材料(liao)制造,能(neng)在高(gao)(gao)溫、高(gao)(gao)壓下使(shi)用,是目前(qian)應(ying)用廣泛的類型。在使(shi)用一(yi)段時間之后對管(guan)殼(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)清洗非常(chang)的重(zhong)要,一(yi)般由于工業上使(shi)用長久(jiu)管(guan)殼(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)里面的管(guan)道會(hui)出(chu)現各(ge)種(zhong)灰(hui)塵和沉淀物(wu)的粘黏(nian),導(dao)(dao)致(zhi)換(huan)熱(re)效率(lv)(lv)下降,變相提(ti)高(gao)(gao)生(sheng)產成本,嚴重(zhong)還會(hui)導(dao)(dao)致(zhi)管(guan)殼(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)使(shi)用壽命(ming),造成損失。清洗有利于提(ti)高(gao)(gao)換(huan)熱(re)效率(lv)(lv):管(guan)殼(ke)式(shi)(shi)換(huan)熱(re)器(qi)(qi)(qi)或(huo)管(guan)道運行一(yi)段時間后,表面往往會(hui)結一(yi)層污垢(gou),污垢(gou)一(yi)般較為致(zhi)密(mi)堅硬,熱(re)導(dao)(dao)率(lv)(lv)很(hen)小(xiao)。污垢(gou)的阻礙效率(lv)(lv)大得驚人,里面的有機離子、灰(hui)塵若無重(zhong)視可(ke)能(neng)導(dao)(dao)致(zhi)不可(ke)避免的其(qi)他問題的產生(sheng)。