管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)(shell and tube heat exchanger)又稱(cheng)(cheng)列(lie)(lie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)是(shi)以封(feng)閉在(zai)(zai)(zai)殼(ke)(ke)(ke)體(ti)(ti)(ti)(ti)(ti)中(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)的(de)(de)壁(bi)面(mian)作為(wei)(wei)傳(chuan)熱(re)(re)(re)(re)(re)面(mian)的(de)(de)間壁(bi)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)。這種(zhong)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)結(jie)構較(jiao)簡(jian)單(dan)，操作可靠，可用(yong)各種(zhong)結(jie)構材料(liao)（主(zhu)要是(shi)金屬材料(liao)）制造，能在(zai)(zai)(zai)高溫(wen)、高壓下使用(yong)，是(shi)目前應(ying)用(yong)廣的(de)(de)類(lei)型。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)是(shi)怎樣(yang)運行(xing)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)器(qi)(qi)(qi)由殼(ke)(ke)(ke)體(ti)(ti)(ti)(ti)(ti)、傳(chuan)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板、折流(liu)(liu)(liu)(liu)板（擋(dang)(dang)板）和管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)箱等部件組成。殼(ke)(ke)(ke)體(ti)(ti)(ti)(ti)(ti)多為(wei)(wei)圓筒形(xing)，內部裝(zhuang)有(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)兩(liang)端(duan)固(gu)定在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板上。進行(xing)換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)的(de)(de)冷熱(re)(re)(re)(re)(re)兩(liang)種(zhong)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)，一種(zhong)在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內流(liu)(liu)(liu)(liu)動，稱(cheng)(cheng)為(wei)(wei)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)程(cheng)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)；另一種(zhong)在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)動，稱(cheng)(cheng)為(wei)(wei)殼(ke)(ke)(ke)程(cheng)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)。為(wei)(wei)提高管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)的(de)(de)傳(chuan)熱(re)(re)(re)(re)(re)分(fen)(fen)系(xi)數，通(tong)(tong)常(chang)在(zai)(zai)(zai)殼(ke)(ke)(ke)體(ti)(ti)(ti)(ti)(ti)內安裝(zhuang)若干擋(dang)(dang)板。擋(dang)(dang)板可提高殼(ke)(ke)(ke)程(cheng)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)速度(du)，迫使流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)按(an)規定路程(cheng)多次橫向通(tong)(tong)過管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)束(shu)，增(zeng)強(qiang)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)湍流(liu)(liu)(liu)(liu)程(cheng)度(du)。換(huan)(huan)(huan)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)在(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)板上可按(an)等邊(bian)三角(jiao)形(xing)或正方形(xing)排(pai)列(lie)(lie)。等邊(bian)三角(jiao)形(xing)排(pai)列(lie)(lie)較(jiao)緊(jin)湊，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)湍動程(cheng)度(du)高，傳(chuan)熱(re)(re)(re)(re)(re)分(fen)(fen)系(xi)數大；正方形(xing)排(pai)列(lie)(lie)則管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)外清洗方便(bian)，適用(yong)于(yu)易結(jie)垢的(de)(de)流(liu)(liu)(liu)(liu)體(ti)(ti)(ti)(ti)(ti)。

浙江換熱器廠家傳熱效率高(性能好)一般認為螺旋板式換熱器的傳熱效率為列管式換熱器的1-3倍.等截面單通道不存在流動死區,定距柱及螺旋通道對流動的擾動降低了流體的臨界雷諾數,水水換熱時螺旋板式換熱器的傳熱系數大可達3000W/(㎡.K). 有效回收低溫熱能螺旋板式換熱器由兩張卷制而成,供應換熱器形成了(le)兩(liang)(liang)個均勻(yun)的(de)螺(luo)旋(xuan)(xuan)(xuan)通道,兩(liang)(liang)種傳(chuan)熱(re)介(jie)質可(ke)進行全逆流流動(dong)(dong),大大增(zeng)強了(le)換熱(re)效果,即使(shi)兩(liang)(liang)種小溫差介(jie)質 換熱(re)器盤管(guan)哪家好,也(ye)能(neng)達到(dao)理想的(de)換熱(re)效果,進行余熱(re)回收,充分(fen)利用低溫熱(re)能(neng).運行可(ke)靠(kao)性強不可(ke)拆式螺(luo)旋(xuan)(xuan)(xuan)板式換熱(re)器螺(luo)旋(xuan)(xuan)(xuan)通道的(de)端面采(cai)用焊接密封(feng),因(yin)而(er)具有較高(gao)的(de)密封(feng)性,保證兩(liang)(liang)種工作介(jie)質不混合(he).阻(zu)力(li)小在殼體上(shang)的(de)接管(guan)采(cai)用切向結構,局部阻(zu)力(li)小,由(you)于(yu)螺(luo)旋(xuan)(xuan)(xuan)通道的(de)曲率(lv)是均勻(yun)的(de),液體在設備內流動(dong)(dong)沒(mei)有大的(de)轉(zhuan)向,總的(de)阻(zu)力(li)小,因(yin)而(er)可(ke)提高(gao)設計(ji)流速使(shi)之具備較高(gao)的(de)傳(chuan)熱(re)能(neng)力(li).

1.主(zhu)換(huan)熱(re)(re)器(qi)(qi)(qi)熱(re)(re)端(duan)(duan)溫差(cha)偏大景象某廠12000m3爪(zhua)空(kong)分(fen)設備接納分(fen)子篩吸附凈化、增壓(ya)(ya)透平膨大、規整填料上(shang)塔(ta)及(ji)全精(jing)餾無氫制(zhi)氮外(wai)壓(ya)(ya) 縮(suo)流(liu)程(cheng)(cheng)。自(zi)空(kong)分(fen)設備開車以(yi)來(lai)(lai)，用戶不斷反應主(zhu)換(huan)熱(re)(re)器(qi)(qi)(qi)熱(re)(re)端(duan)(duan)溫差(cha)過大，此中一(yi)組(zu)換(huan)熱(re)(re)器(qi)(qi)(qi)有7℃一(yi)8℃的(de)(de)溫 差(cha)。通過種種調(diao)(diao)理(li)花招，液體產量仍達不到條約(yue)要(yao)求的(de)(de)計劃值。檢查空(kong)分(fen)設備流(liu)程(cheng)(cheng)圖(tu)和精(jing)餾塔(ta)總圖(tu)發明，6臺主(zhu)換(huan)熱(re)(re)器(qi)(qi)(qi)(El一(yi)E6)分(fen)兩(liang)組(zu)散(san)布，分(fen)子篩吸附器(qi)(qi)(qi)出(chu)口(kou)(kou)(kou)空(kong) 氣通過正流(liu)空(kong)氣閥Vln和vllZ分(fen)別進人El一(yi)E3和E4一(yi)E6兩(liang)組(zu)換(huan)熱(re)(re)器(qi)(qi)(qi)。兩(liang)組(zu)換(huan)熱(re)(re)器(qi)(qi)(qi)之間(jian)的(de)(de)熱(re)(re)端(duan)(duan)溫差(cha)可哄騙(pian) v川和vllZ閥來(lai)(lai)調(diao)(diao)理(li)，每組(zu)內(nei)3個單位之間(jian)靠(kao)冷箱內(nei)配管(guan)來(lai)(lai)平衡氣流(liu)的(de)(de)散(san)布。增壓(ya)(ya)空(kong)氣出(chu)主(zhu)換(huan)熱(re)(re)器(qi)(qi)(qi)各單位 有中部、底部兩(liang)個抽口(kou)(kou)(kou)，進膨大機的(de)(de)空(kong)氣溫度由中部抽口(kou)(kou)(kou)總管(guan)閥V31和底部抽口(kou)(kou)(kou)總管(guan)閥V犯來(lai)(lai)調(diao)(diao)理(li)。返流(liu) 氣體只要(yao)通過各自(zi)總管(guan)上(shang)的(de)(de)調(diao)(diao)理(li)閥來(lai)(lai)調(diao)(diao)理(li)流(liu)量。

管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)熱(re)器又稱列管(guan)(guan)(guan)式(shi)(shi)(shi)(shi)換(huan)熱(re)器。是以封(feng)閉在(zai)殼(ke)體(ti)中管(guan)(guan)(guan)束的(de)(de)壁面(mian)作(zuo)為(wei)傳熱(re)面(mian)的(de)(de)間(jian)(jian)壁式(shi)(shi)(shi)(shi)換(huan)熱(re)器。這種(zhong)換(huan)熱(re)器結(jie)構較簡單(dan)，操作(zuo)可(ke)靠，可(ke)用(yong)(yong)各種(zhong)結(jie)構材料(liao)制造，能(neng)在(zai)高(gao)溫、高(gao)壓下(xia)使用(yong)(yong)，是目前(qian)應用(yong)(yong)廣泛的(de)(de)類型。在(zai)使用(yong)(yong)一段時間(jian)(jian)之后(hou)對管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)熱(re)器清洗非(fei)常(chang)的(de)(de)重要，一般(ban)由于(yu)工業上使用(yong)(yong)長久管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)熱(re)器里(li)面(mian)的(de)(de)管(guan)(guan)(guan)道會出現各種(zhong)灰(hui)塵(chen)和沉淀(dian)物的(de)(de)粘黏(nian)，導(dao)致換(huan)熱(re)效率(lv)下(xia)降，變相提高(gao)生(sheng)產成(cheng)本，嚴重還(huan)會導(dao)致管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)熱(re)器使用(yong)(yong)壽命，造成(cheng)損失。清洗有利于(yu)提高(gao)換(huan)熱(re)效率(lv):管(guan)(guan)(guan)殼(ke)式(shi)(shi)(shi)(shi)換(huan)熱(re)器或管(guan)(guan)(guan)道運行一段時間(jian)(jian)后(hou)，表面(mian)往往會結(jie)一層污垢(gou)，污垢(gou)一般(ban)較為(wei)致密堅硬，熱(re)導(dao)率(lv)很(hen)小。污垢(gou)的(de)(de)阻礙效率(lv)大得驚人，里(li)面(mian)的(de)(de)有機離子、灰(hui)塵(chen)若無重視可(ke)能(neng)導(dao)致不可(ke)避免的(de)(de)其他問題的(de)(de)產生(sheng)。