在檢修(xiu)維護換熱(re)器汽(qi)(qi)(qi)包(bao)(bao)時發(fa)(fa)現汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)泄(xie)漏(lou)，在汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)的(de)閥蓋角焊(han)縫(feng)處出現裂紋，裂紋平(ping)行(xing)(xing)于焊(han)縫(feng)。采用宏觀形貌分(fen)析、化學成分(fen)分(fen)析、金相檢驗、顯微硬(ying)度(du)測定、能譜(pu)分(fen)析以及應力分(fen)析等方法對泄(xie)漏(lou)處進(jin)行(xing)(xing)了分(fen)析。結果表明，汽(qi)(qi)(qi)包(bao)(bao)中水質含有較高(gao)濃度(du)的(de)堿性元(yuan)素(su)和(he)氯、硫、氧等強腐蝕性元(yuan)素(su)，又在焊(han)接殘余應力的(de)作用下發(fa)(fa)生應力腐蝕開裂，最后(hou)導(dao)致汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)產生泄(xie)漏(lou)。應力腐蝕；沿晶(jing)；堿脆(cui)；軋制帶狀組織某化工(gong)廠換熱(re)器汽(qi)(qi)(qi)包(bao)(bao)于1996年(nian)投入使用，于2005年(nian)上半年(nian)維護檢修(xiu)時發(fa)(fa)現滲漏(lou)。經去(qu)除外(wai)面保溫材料后(hou)，發(fa)(fa)現汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)的(de)蓋板角焊(han)縫(feng)位置(zhi)出現裂紋，裂紋為(wei)穿透型(xing)，起源于汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)內表面，換熱(re)器外(wai)形尺(chi)(chi)寸(cun)為(wei)1632mm9423mm，汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)外(wai)形尺(chi)(chi)寸(cun)1632mm400mm，汽(qi)(qi)(qi)包(bao)(bao)封頭(tou)材料為(wei)16MnR鋼。

容積式換(huan)(huan)(huan)熱(re)(re)器采(cai)用(yong)高效傳(chuan)(chuan)熱(re)(re)管(guan)(guan)(guan)—螺紋管(guan)(guan)(guan)作為(wei)換(huan)(huan)(huan)熱(re)(re)元件，傳(chuan)(chuan)熱(re)(re)系(xi)數(shu)(shu)高，比光管(guan)(guan)(guan)換(huan)(huan)(huan)熱(re)(re)器高1—3倍，流(liu)動(dong)阻力小(xiao)，消耗動(dong)力少。由于(yu)在換(huan)(huan)(huan)熱(re)(re)器內(nei)部(bu)結(jie)構上(shang)有了重(zhong)大改進(jin)，使換(huan)(huan)(huan)熱(re)(re)器的(de)(de)各(ge)項性能(neng)指標均有顯著提高。容積式換(huan)(huan)(huan)熱(re)(re)器具備一定(ding)的(de)(de)水(shui)存(cun)儲量(liang)，在賓館、飯店、機關、學(xue)校、醫院、工(gong)(gong)廠、礦山等工(gong)(gong)業與民用(yong)建(jian)筑的(de)(de)生(sheng)活(huo)熱(re)(re)水(shui)供(gong)應系(xi)統中，應用(yong)廣泛。容積式換(huan)(huan)(huan)熱(re)(re)器特點：1. 換(huan)(huan)(huan)熱(re)(re)器的(de)(de)材(cai)質根(gen)據介質的(de)(de)不同，可選用(yong)碳(tan)素(su)鋼、不銹(SUS304,SUS316,SUS316L)、銅(tong)管(guan)(guan)(guan)及其(qi)(qi)它(ta)特殊材(cai)質。2. 換(huan)(huan)(huan)熱(re)(re)器內(nei)的(de)(de)流(liu)體充分(fen)，抗垢能(neng)力強。3. 罐內(nei)全部(bu)儲存(cun)熱(re)(re)水(shui)，無滯(zhi)水(shui)、冷水(shui)區，溶(rong)積利用(yong)率高。4. 殼體為(wei)不銹鋼Ocr18Ni9或Q235B內(nei)襯紫(zi)銅(tong)板外(wai)壁涂漆(qi)防腐，換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)采(cai)用(yong)T2紫(zi)銅(tong)管(guan)(guan)(guan)。應用(yong)領域：賓館、酒店、住宅小(xiao)區及其(qi)(qi)他生(sheng)活(huo)與工(gong)(gong)業的(de)(de)熱(re)(re)水(shui)供(gong)應。主要參數(shu)(shu)：工(gong)(gong)作壓力：0.2～2.5Mpa產熱(re)(re)水(shui)量(liang)：0.4m3/h～60m3/h

半容(rong)積(ji)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)性(xing)能(neng)與特點(dian)是(shi)什么呢？而且換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)功能(neng)也是(shi)很強(qiang)大的(de)(de)(de)，在機(ji)電行業中都輸數(shu)一數(shu)二的(de)(de)(de)，半容(rong)積(ji)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)是(shi)將熱(re)(re)(re)(re)流體的(de)(de)(de)部分熱(re)(re)(re)(re)量傳遞給(gei)冷流體的(de)(de)(de)設(she)備(bei)(bei).換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)是(shi)化(hua)(hua)工(gong)(gong)、石油(you)、動力(li)、食(shi)品及其它許多(duo)工(gong)(gong)業部門的(de)(de)(de)通用(yong)(yong)(yong)(yong)設(she)備(bei)(bei),在生產中占(zhan)有(you)重要(yao)地(di)位(wei).下(xia)面換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)設(she)備(bei)(bei)廠(chang)家就(jiu)為大家介(jie)紹一下(xia)半容(rong)積(ji)式(shi)(shi)換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)各項性(xing)能(neng)特點(dian):高(gao)效節能(neng),換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)器(qi)(qi)傳熱(re)(re)(re)(re)系(xi)數(shu)。不銹(xiu)鋼(gang)制作,使(shi)(shi)用(yong)(yong)(yong)(yong)壽命長(chang)(chang),可(ke)達20年(nian)以上(shang)。層流為湍流,提高(gao)了換(huan)(huan)(huan)(huan)熱(re)(re)(re)(re)效率,降(jiang)低了熱(re)(re)(re)(re)阻(zu)。傳熱(re)(re)(re)(re)速(su)度(du)快,耐(nai)高(gao)400℃),耐(nai)高(gao)壓(2.5Mpa)。結(jie)構緊(jin)湊(cou),占(zhan)面積(ji)小,重量輕,安裝方便,節約土建投資(zi)。設(she)計靈活,規(gui)格齊全(quan),實用(yong)(yong)(yong)(yong)針對性(xing)強(qiang),節約資(zi)金。使(shi)(shi)用(yong)(yong)(yong)(yong)條件廣(guang)泛(fan),適用(yong)(yong)(yong)(yong)較大的(de)(de)(de)壓力(li)、溫度(du)范圍和多(duo)種(zhong)介(jie)質熱(re)(re)(re)(re)交(jiao)換(huan)(huan)(huan)(huan)。維護(hu)費用(yong)(yong)(yong)(yong)低,易操作,清(qing)垢周期(qi)長(chang)(chang),清(qing)洗方便。使(shi)(shi)用(yong)(yong)(yong)(yong)納米熱(re)(re)(re)(re)膜技術,顯(xian)著增大傳熱(re)(re)(re)(re)系(xi)數(shu)。應用(yong)(yong)(yong)(yong)領域廣(guang)闊(kuo),可(ke)廣(guang)泛(fan)用(yong)(yong)(yong)(yong)于熱(re)(re)(re)(re)電、廠(chang)礦、石油(you)化(hua)(hua)工(gong)(gong)、城(cheng)市集中供(gong)熱(re)(re)(re)(re)、食(shi)品醫(yi)藥、能(neng)源(yuan)電子、機(ji)械輕工(gong)(gong)等(deng)領域。

什么是容積式換熱器設備，可能很多人沒有聽說過，云南熱交換器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，熱交換器哪家好通(tong)過熱(re)(re)力管道輸送到賓館(guan)、酒店、學校等公(gong)共建筑(zhu)，汽水(shui)(shui)換熱(re)(re)或(huo)水(shui)(shui)水(shui)(shui)換熱(re)(re)后把冷水(shui)(shui)加熱(re)(re)成(cheng)適(shi)于洗(xi)浴的(de)熱(re)(re)水(shui)(shui)，保(bao)障了居民的(de)熱(re)(re)水(shui)(shui)使用。從目前國內容積(ji)式換熱(re)(re)器用途中，洗(xi)浴稱(cheng)為(wei)該設備非常重(zhong)要的(de)、主要的(de)用途。

管(guan)(guan)(guan)(guan)(guan)(guan)殼式(shi)換(huan)(huan)熱(re)(re)器(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)(guan)(guan)(guan)(guan)式(shi)換(huan)(huan)熱(re)(re)器(qi)。管(guan)(guan)(guan)(guan)(guan)(guan)殼式(shi)換(huan)(huan)熱(re)(re)器(qi)是以封(feng)閉在(zai)(zai)(zai)(zai)殼體(ti)(ti)(ti)中管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)的(de)(de)壁面作為傳(chuan)(chuan)熱(re)(re)面的(de)(de)間壁式(shi)換(huan)(huan)熱(re)(re)器(qi)。這種(zhong)換(huan)(huan)熱(re)(re)器(qi)結(jie)構較(jiao)簡單，操作可(ke)(ke)靠，可(ke)(ke)用各種(zhong)結(jie)構材(cai)(cai)料（主要是金屬材(cai)(cai)料）制造，能在(zai)(zai)(zai)(zai)高(gao)溫(wen)、高(gao)壓下(xia)使用，是目(mu)前應用廣的(de)(de)類型(xing)。管(guan)(guan)(guan)(guan)(guan)(guan)殼式(shi)換(huan)(huan)熱(re)(re)器(qi)是怎樣運行的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)殼式(shi)換(huan)(huan)熱(re)(re)器(qi)由殼體(ti)(ti)(ti)、傳(chuan)(chuan)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)、管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)、折流(liu)(liu)(liu)板(ban)（擋板(ban)）和管(guan)(guan)(guan)(guan)(guan)(guan)箱(xiang)等(deng)部件組成。殼體(ti)(ti)(ti)多(duo)為圓筒形，內(nei)部裝有(you)管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)，管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)兩端固定(ding)在(zai)(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)上。進行換(huan)(huan)熱(re)(re)的(de)(de)冷熱(re)(re)兩種(zhong)流(liu)(liu)(liu)體(ti)(ti)(ti)，一種(zhong)在(zai)(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)內(nei)流(liu)(liu)(liu)動，稱為管(guan)(guan)(guan)(guan)(guan)(guan)程(cheng)(cheng)流(liu)(liu)(liu)體(ti)(ti)(ti)；另(ling)一種(zhong)在(zai)(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)動，稱為殼程(cheng)(cheng)流(liu)(liu)(liu)體(ti)(ti)(ti)。為提(ti)高(gao)管(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)傳(chuan)(chuan)熱(re)(re)分系(xi)數，通常在(zai)(zai)(zai)(zai)殼體(ti)(ti)(ti)內(nei)安裝若干(gan)擋板(ban)。擋板(ban)可(ke)(ke)提(ti)高(gao)殼程(cheng)(cheng)流(liu)(liu)(liu)體(ti)(ti)(ti)速度(du)，迫使流(liu)(liu)(liu)體(ti)(ti)(ti)按規定(ding)路(lu)程(cheng)(cheng)多(duo)次橫向通過管(guan)(guan)(guan)(guan)(guan)(guan)束(shu)(shu)，增強流(liu)(liu)(liu)體(ti)(ti)(ti)湍流(liu)(liu)(liu)程(cheng)(cheng)度(du)。換(huan)(huan)熱(re)(re)管(guan)(guan)(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)板(ban)上可(ke)(ke)按等(deng)邊(bian)三角(jiao)形或正(zheng)(zheng)方(fang)(fang)形排(pai)列。等(deng)邊(bian)三角(jiao)形排(pai)列較(jiao)緊(jin)湊，管(guan)(guan)(guan)(guan)(guan)(guan)外流(liu)(liu)(liu)體(ti)(ti)(ti)湍動程(cheng)(cheng)度(du)高(gao)，傳(chuan)(chuan)熱(re)(re)分系(xi)數大；正(zheng)(zheng)方(fang)(fang)形排(pai)列則(ze)管(guan)(guan)(guan)(guan)(guan)(guan)外清洗方(fang)(fang)便(bian)，適用于易結(jie)垢的(de)(de)流(liu)(liu)(liu)體(ti)(ti)(ti)。