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容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱器(qi)(qi)(qi)采用(yong)高(gao)效傳(chuan)(chuan)熱管(guan)—螺紋管(guan)作(zuo)為換(huan)(huan)(huan)熱元件(jian),傳(chuan)(chuan)熱系(xi)數高(gao),比光管(guan)換(huan)(huan)(huan)熱器(qi)(qi)(qi)高(gao)1—3倍,流(liu)動(dong)阻力(li)小(xiao),消耗動(dong)力(li)少(shao)。由于在換(huan)(huan)(huan)熱器(qi)(qi)(qi)內(nei)部結構上有了(le)重大改進(jin),使(shi)換(huan)(huan)(huan)熱器(qi)(qi)(qi)的(de)(de)各項性能指標均有顯著提高(gao)。容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱器(qi)(qi)(qi)具備(bei)一定(ding)的(de)(de)水(shui)(shui)存(cun)儲量(liang)(liang),在賓館(guan)、飯店(dian)、機關、學(xue)校、醫院、工廠、礦(kuang)山(shan)等工業(ye)與民用(yong)建筑的(de)(de)生活熱水(shui)(shui)供(gong)應系(xi)統中,應用(yong)廣泛(fan)。容(rong)(rong)(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)熱器(qi)(qi)(qi)特(te)點:1. 換(huan)(huan)(huan)熱器(qi)(qi)(qi)的(de)(de)材(cai)質根據介質的(de)(de)不同,可(ke)選用(yong)碳素(su)鋼(gang)、不銹(xiu)(SUS304,SUS316,SUS316L)、銅管(guan)及(ji)其(qi)它(ta)特(te)殊材(cai)質。2. 換(huan)(huan)(huan)熱器(qi)(qi)(qi)內(nei)的(de)(de)流(liu)體充分,抗垢(gou)能力(li)強。3. 罐(guan)內(nei)全部儲存(cun)熱水(shui)(shui),無滯(zhi)水(shui)(shui)、冷(leng)水(shui)(shui)區,溶積(ji)(ji)利用(yong)率高(gao)。4. 殼體為不銹(xiu)鋼(gang)Ocr18Ni9或Q235B內(nei)襯紫銅板外壁(bi)涂(tu)漆防腐(fu),換(huan)(huan)(huan)熱管(guan)采用(yong)T2紫銅管(guan)。應用(yong)領域:賓館(guan)、酒店(dian)、住(zhu)宅小(xiao)區及(ji)其(qi)他生活與工業(ye)的(de)(de)熱水(shui)(shui)供(gong)應。主要參數:工作(zuo)壓力(li):0.2~2.5Mpa產熱水(shui)(shui)量(liang)(liang):0.4m3/h~60m3/h
傳(chuan)熱(re)(re)(re)效(xiao)率高(gao)(性(xing)能(neng)(neng)(neng)好)一般認(ren)為螺旋(xuan)(xuan)(xuan)板式(shi)換(huan)熱(re)(re)(re)器的(de)(de)(de)(de)傳(chuan)熱(re)(re)(re)效(xiao)率為列管式(shi)換(huan)熱(re)(re)(re)器的(de)(de)(de)(de)1-3倍.等(deng)截面單(dan)通道(dao)(dao)不存(cun)在流(liu)(liu)動(dong)死區,定距柱(zhu)及螺旋(xuan)(xuan)(xuan)通道(dao)(dao)對流(liu)(liu)動(dong)的(de)(de)(de)(de)擾(rao)動(dong)降低了(le)流(liu)(liu)體(ti)的(de)(de)(de)(de)臨界雷諾(nuo)數,水水換(huan)熱(re)(re)(re)時螺旋(xuan)(xuan)(xuan)板式(shi)換(huan)熱(re)(re)(re)器的(de)(de)(de)(de)傳(chuan)熱(re)(re)(re)系數大(da)可(ke)達3000W/(㎡.K). 有效(xiao)回收低溫(wen)熱(re)(re)(re)能(neng)(neng)(neng)螺旋(xuan)(xuan)(xuan)板式(shi)換(huan)熱(re)(re)(re)器由兩(liang)張卷(juan)制而成(cheng),形成(cheng)了(le)兩(liang)個均勻(yun)的(de)(de)(de)(de)螺旋(xuan)(xuan)(xuan)通道(dao)(dao),兩(liang)種傳(chuan)熱(re)(re)(re)介質可(ke)進行(xing)全逆流(liu)(liu)流(liu)(liu)動(dong),大(da)大(da)增強了(le)換(huan)熱(re)(re)(re)效(xiao)果,即使兩(liang)種小(xiao)溫(wen)差介質 換(huan)熱(re)(re)(re)器盤管哪家好,也能(neng)(neng)(neng)達到理想(xiang)的(de)(de)(de)(de)換(huan)熱(re)(re)(re)效(xiao)果,進行(xing)余(yu)熱(re)(re)(re)回收,充分利用低溫(wen)熱(re)(re)(re)能(neng)(neng)(neng).運行(xing)可(ke)靠性(xing)強不可(ke)拆式(shi)螺旋(xuan)(xuan)(xuan)板式(shi)換(huan)熱(re)(re)(re)器螺旋(xuan)(xuan)(xuan)通道(dao)(dao)的(de)(de)(de)(de)端面采(cai)用焊接密(mi)封,因(yin)而具有較高(gao)的(de)(de)(de)(de)密(mi)封性(xing),保(bao)證兩(liang)種工作介質不混合.阻(zu)力(li)小(xiao)在殼體(ti)上(shang)的(de)(de)(de)(de)接管采(cai)用切(qie)向(xiang)結(jie)構,局(ju)部(bu)阻(zu)力(li)小(xiao),由于螺旋(xuan)(xuan)(xuan)通道(dao)(dao)的(de)(de)(de)(de)曲率是(shi)均勻(yun)的(de)(de)(de)(de),液體(ti)在設備(bei)內流(liu)(liu)動(dong)沒(mei)有大(da)的(de)(de)(de)(de)轉向(xiang),總的(de)(de)(de)(de)阻(zu)力(li)小(xiao),因(yin)而可(ke)提高(gao)設計流(liu)(liu)速使之具備(bei)較高(gao)的(de)(de)(de)(de)傳(chuan)熱(re)(re)(re)能(neng)(neng)(neng)力(li).
封閉式冷卻塔和管殼式換熱器同屬于水換熱冷卻裝置,有著本質的區別。閉式冷卻塔除了熱交換的過程,可以直接蒸發吸熱,板式熱交換器將熱量排走,而管殼式換熱器只能換熱,使用過程中還需要另外的設備進行排熱。板式熱交換器價格今天小(xiao)衛給大家詳細介紹一下管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)熱器(qi)(qi)和閉(bi)(bi)式(shi)(shi)(shi)冷卻塔有著(zhu)哪些(xie)不同之(zhi)處,在現實使(shi)用(yong)過程(cheng)中(zhong)閉(bi)(bi)式(shi)(shi)(shi)冷卻塔替代管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)熱器(qi)(qi)已(yi)成(cheng)趨一、封(feng)閉(bi)(bi)式(shi)(shi)(shi)冷卻塔管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)熱器(qi)(qi)概念及結構管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)熱器(qi)(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)熱器(qi)(qi)。是以封(feng)閉(bi)(bi)在殼體中(zhong)管(guan)(guan)(guan)束的(de)壁面作(zuo)為(wei)傳(chuan)熱面的(de)間壁式(shi)(shi)(shi)換(huan)熱器(qi)(qi)。這種換(huan)熱器(qi)(qi)結構較簡單,操作(zuo) ,可用(yong)各種結構材料(主要是金(jin)屬材料)制造(zao),能在高(gao)管(guan)(guan)(guan)殼式(shi)(shi)(shi)換(huan)熱器(qi)(qi)由殼體、傳(chuan)熱管(guan)(guan)(guan)束、管(guan)(guan)(guan)板(ban)(ban)、折流板(ban)(ban)(擋板(ban)(ban))和管(guan)(guan)(guan)箱等部件(jian)組成(cheng)。殼體多(duo)為(wei)圓筒(tong)形(xing),內部裝有管(guan)(guan)(guan)束,管(guan)(guan)(guan)束兩端(duan)固定在管(guan)(guan)(guan)板(ban)(ban)上。
換(huan)熱(re)(re)器(qi)是(shi)一種(zhong)比較(jiao)常(chang)見的(de)(de)(de)工業設備,能夠將熱(re)(re)流體設備的(de)(de)(de)一部分熱(re)(re)量(liang)傳(chuan)(chuan)送(song)到溫(wen)(wen)(wen)度(du)相對較(jiao)低的(de)(de)(de)設備中。根據(ju)不(bu)(bu)(bu)同(tong)(tong)(tong)標準(zhun)分類(lei),可以將換(huan)熱(re)(re)器(qi)分成不(bu)(bu)(bu)同(tong)(tong)(tong)類(lei)別,不(bu)(bu)(bu)同(tong)(tong)(tong)類(lei)別的(de)(de)(de)換(huan)熱(re)(re)器(qi)之間(jian)是(shi)存在差(cha)異(yi)的(de)(de)(de),有各自的(de)(de)(de)優(you)(you)缺(que)點(dian),適用(yong)的(de)(de)(de)場合也不(bu)(bu)(bu)盡相同(tong)(tong)(tong)。以下就是(shi)關于不(bu)(bu)(bu)同(tong)(tong)(tong)換(huan)熱(re)(re)器(qi)的(de)(de)(de)優(you)(you)缺(que)點(dian)的(de)(de)(de)總結。不(bu)(bu)(bu)同(tong)(tong)(tong)換(huan)熱(re)(re)器(qi)的(de)(de)(de)優(you)(you)點(dian)和(he)缺(que)點(dian)被加熱(re)(re)水(shui)通過罐體阻力(li)損失小。結構簡單、管(guan)理方便(bian),可承受水(shui)壓(ya),噪音低。換(huan)熱(re)(re)面積(ji)(ji)大(da),換(huan)熱(re)(re)量(liang)高(gao)。供水(shui)水(shui)壓(ya)、水(shui)溫(wen)(wen)(wen)穩定、安(an)全、節水(shui)、用(yong)水(shui)舒適。使用(yong)壽(shou)命長。缺(que)點(dian):外形體積(ji)(ji)較(jiao)大(da)、換(huan)熱(re)(re)效率(lv)相對較(jiao)低。殼(ke)程清洗(xi)不(bu)(bu)(bu)方便(bian)。殼(ke)體與管(guan)子之間(jian)無溫(wen)(wen)(wen)差(cha)補償元件(jian)時會(hui)產生較(jiao)大(da)的(de)(de)(de)溫(wen)(wen)(wen)差(cha)應力(li), 即溫(wen)(wen)(wen)差(cha)較(jiao)大(da)是(shi)需要(yao)采用(yong)膨脹(zhang)節或波(bo)紋管(guan)等(deng)補償元件(jian)減小溫(wen)(wen)(wen)差(cha)應力(li)。板式換(huan)熱(re)(re)器(qi)優(you)(you)點(dian):傳(chuan)(chuan)熱(re)(re)效率(lv)高(gao),對數溫(wen)(wen)(wen)差(cha)大(da),重量(liang)輕、占地(di)面積(ji)(ji)小,清洗(xi)方便(bian),而且容易(yi)改變換(huan) 熱(re)(re)面積(ji)(ji)或流程組(zu)合,適用(yong)于多(duo)重介(jie)質(zhi)換(huan)熱(re)(re)。
管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器是把換(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)連接后,再用筒(tong)體(ti)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱包(bao)起來,形成(cheng)兩個獨立的(de)(de)(de)空間。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內的(de)(de)(de)通(tong)道(dao)及與(yu)其相貫(guan)(guan)通(tong)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱稱為(wei)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)程;管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外的(de)(de)(de)通(tong)道(dao)及與(yu)其相貫(guan)(guan)通(tong)的(de)(de)(de)部分(fen)稱為(wei)殼(ke)(ke)程。一(yi)種流(liu)體(ti)在管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內流(liu)動,而另一(yi)種流(liu)體(ti)在殼(ke)(ke)與(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)之間從管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外表面流(liu)過,為(wei)了保證殼(ke)(ke)程流(liu)體(ti)能夠(gou)橫向流(liu)過管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu),以形成(cheng)較高的(de)(de)(de)傳熱(re)(re)(re)速率(lv),在外殼(ke)(ke)上(shang)裝有(you)許多擋板(ban)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)腐蝕(shi)和磨蝕(shi)失(shi)效(xiao)(xiao)的(de)(de)(de)主要原因(yin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器在使用的(de)(de)(de)過程中可能會發(fa)生失(shi)效(xiao)(xiao)的(de)(de)(de)情(qing)況,常見的(de)(de)(de)失(shi)效(xiao)(xiao)是管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)失(shi)效(xiao)(xiao)的(de)(de)(de)情(qing)況管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)腐蝕(shi)和磨蝕(shi)失(shi)效(xiao)(xiao)、傳熱(re)(re)(re)能力(li)下降、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)泄漏.以下是關于(yu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器官術失(shi)效(xiao)(xiao)的(de)(de)(de)具體(ti)介紹。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器出現管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)失(shi)效(xiao)(xiao)的(de)(de)(de)情(qing)況有(you)哪些(xie)?管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器的(de)(de)(de)失(shi)效(xiao)(xiao)大(da)多數是由腐蝕(shi)引(yin)起的(de)(de)(de)。最常見的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)(re)器腐蝕(shi)部位是換(huan)(huan)(huan)熱(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),然(ran)后依次是管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、換(huan)(huan)(huan)熱(re)(re)(re)器封頭(tou) 及小直徑的(de)(de)(de)接管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。
容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi):容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)是利用(yong)冷、熱(re)(re)(re)(re)(re)流(liu)體(ti)交(jiao)替流(liu)經(jing)蓄(xu)熱(re)(re)(re)(re)(re)室中的(de)蓄(xu)熱(re)(re)(re)(re)(re)體(ti)(填料)表面,從而(er)進行(xing)熱(re)(re)(re)(re)(re)量(liang)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)的(de)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。間(jian)(jian)壁容(rong)積(ji)(ji)式(shi)(shi)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)的(de)冷、熱(re)(re)(re)(re)(re)流(liu)體(ti)被固體(ti)間(jian)(jian)壁隔開,并通過間(jian)(jian)壁進行(xing)熱(re)(re)(re)(re)(re)量(liang)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)的(de)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi),因此(ci)又(you)稱表面式(shi)(shi)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)。容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)優點(dian):積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)6優點(dian)1)容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)兼具換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)、貯(zhu)熱(re)(re)(re)(re)(re)功能。有(you)較大的(de)貯(zhu)熱(re)(re)(re)(re)(re)量(liang),可以提前加(jia)熱(re)(re)(re)(re)(re),將熱(re)(re)(re)(re)(re)水貯(zhu)存在換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)內, 熱(re)(re)(re)(re)(re)媒的(de)小時耗熱(re)(re)(re)(re)(re)量(liang)可隨(sui)加(jia)熱(re)(re)(re)(re)(re)時間(jian)(jian)的(de)加(jia)長而(er)減小其(qi)峰值。2)容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)適用(yong)于熱(re)(re)(re)(re)(re)水用(yong)量(liang)大,且用(yong)水不均勻的(de)建筑(zhu)物,如酒店的(de)生活用(yong)水。3)被加(jia)熱(re)(re)(re)(re)(re)水通過罐體(ti)阻力(li)損(sun)失小。4)結(jie)構簡(jian)單、管(guan)理(li)方便,可承受水壓(ya),噪低(di)。積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)6優點(dian)5)換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)面積(ji)(ji)大,換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)量(liang)高(gao)。6)供水水壓(ya)、水溫穩定、安全、節水、用(yong)水舒適。使用(yong)壽(shou)命長。容(rong)積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)缺點(dian):積(ji)(ji)式(shi)(shi)熱(re)(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)(huan)(huan)器(qi)(qi)的(de)6優點(dian)1)外(wai)形(xing)體(ti)積(ji)(ji)較大、換(huan)(huan)(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)(re)效率相對較低(di)。2)殼(ke)程與殼(ke)程清洗不方便,維修(xiu)困(kun)難(nan)。3)漸熱(re)(re)(re)(re)(re)速度(du)慢,不適用(yong)與間(jian)(jian)歇工作的(de)用(yong)水場合,如職工浴室。