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換(huan)熱器板(ban)(ban)片(pian)(pian)(pian)拆開(kai)前,應(ying)丈量板(ban)(ban)束的壓緊長(chang)度(du)(du)尺(chi)度(du)(du),做好(hao)記錄(重裝時應(ying)按此尺(chi)度(du)(du)). b.密封墊(dian)片(pian)(pian)(pian)若(ruo)粘在兩板(ban)(ban)片(pian)(pian)(pian)間(jian)的溝槽內,此刻需用(yong)(yong)螺絲刀(dao)小心腸將(jiang)其分隔,螺絲刀(dao)應(ying)先從(cong)易剝開(kai)的部位(wei)插(cha)入,然后沿其周邊(bian)進(jin)行(xing)別離,切不可(ke)(ke)損壞換(huan)熱器板(ban)(ban)片(pian)(pian)(pian)和密封墊(dian)片(pian)(pian)(pian) 替換(huan)新密封墊(dian)片(pian)(pian)(pian)時,需要用(yong)(yong)丙酮或其他酮類(lei)有(you)(you)機溶劑(ji),將(jiang)密封墊(dian)片(pian)(pian)(pian)溝槽擦凈.再用(yong)(yong)毛(mao)刷將(jiang)合成樹(shu)脂(zhi)粘接劑(ji)均勻涂在溝槽里(li)..查(cha)看換(huan)熱器板(ban)(ban)片(pian)(pian)(pian)是否有(you)(you)穿(chuan)孔(kong),一般(ban)用(yong)(yong)5倍的放大(da)鏡,有(you)(you)時也可(ke)(ke)用(yong)(yong)燈火或火油滲(shen)透(tou)法(fa)等逐片(pian)(pian)(pian)查(cha)看.e.假如發現(xian)介(jie)質出入口短管及(ji)通道(dao)有(you)(you)雜物堆積,則闡明過(guo)濾器失效,應(ying)及(ji)時清洗.
在(zai)檢修維(wei)護換熱(re)(re)器汽(qi)(qi)(qi)包(bao)(bao)時(shi)發(fa)現汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)泄(xie)漏,在(zai)汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)的閥(fa)蓋角(jiao)焊縫處出現裂(lie)紋(wen),裂(lie)紋(wen)平行于(yu)(yu)焊縫。采用(yong)宏觀形貌分(fen)(fen)(fen)析、化學成分(fen)(fen)(fen)分(fen)(fen)(fen)析、金相檢驗、顯(xian)微硬度測(ce)定、能譜分(fen)(fen)(fen)析以(yi)及(ji)應(ying)(ying)力(li)(li)分(fen)(fen)(fen)析等(deng)方法對泄(xie)漏處進(jin)行了分(fen)(fen)(fen)析。結果表明,汽(qi)(qi)(qi)包(bao)(bao)中水質含有較(jiao)高濃度的堿性(xing)元素和氯、硫、氧等(deng)強(qiang)腐蝕性(xing)元素,又在(zai)焊接(jie)殘余應(ying)(ying)力(li)(li)的作用(yong)下(xia)發(fa)生(sheng)應(ying)(ying)力(li)(li)腐蝕開裂(lie),最后導致汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)產生(sheng)泄(xie)漏。應(ying)(ying)力(li)(li)腐蝕;沿晶;堿脆;軋(ya)制(zhi)帶狀組(zu)織(zhi)某化工廠換熱(re)(re)器汽(qi)(qi)(qi)包(bao)(bao)于(yu)(yu)1996年投入使用(yong),于(yu)(yu)2005年上半年維(wei)護檢修時(shi)發(fa)現滲(shen)漏。經去除外面保溫材料(liao)后,發(fa)現汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)的蓋板角(jiao)焊縫位置出現裂(lie)紋(wen),裂(lie)紋(wen)為(wei)穿(chuan)透型,起源(yuan)于(yu)(yu)汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)內表面,換熱(re)(re)器外形尺(chi)寸為(wei)1632mm9423mm,汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)外形尺(chi)寸1632mm400mm,汽(qi)(qi)(qi)包(bao)(bao)封(feng)(feng)頭(tou)材料(liao)為(wei)16MnR鋼(gang)。
容積式換熱器是使用的非常廣泛的一種換熱器,它主要由器體、蒸汽盤管組件,蒸汽進出口、冷熱水進出口等組成,容積式換熱器價格為防止器體內表面腐蝕,在表面上噴涂有一層防腐合金層,并在合金層上刷制有油漆層,另取消原有管箱,蒸汽盤管通過法蘭直接外接,從而使本實用新型具有結構簡單合理、使用壽命長,換熱效果好,節能等特點。那么容積式換熱器怎么選擇?容積式換熱器的四大優點隨著時代的發展,科技的進步,容積式換熱器作為一種熱交換設備,廣泛應用于各行各業。最好容積式換熱器其中有一種(zhong)是波紋管(guan)(guan)式換(huan)熱器(qi),它一改傳統換(huan)熱器(qi)使用厚壁(bi)鋼(gang)管(guan)(guan)做換(huan)熱管(guan)(guan),而采用薄(bo)壁(bi)不銹鋼(gang)管(guan)(guan)做換(huan)熱管(guan)(guan),并利用特(te)殊(shu)裝置在薄(bo)壁(bi)不銹鋼(gang)管(guan)(guan)上(shang)加工出波紋,使其成(cheng)為一種(zhong)沿(yan)換(huan)熱管(guan)(guan)軸線方向上(shang)其橫截面積呈(cheng)周期性變化(hua)。
半(ban)容(rong)(rong)積(ji)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)性(xing)能與特(te)點(dian)是什(shen)么(me)呢?而(er)且換(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)功能也是很強(qiang)大(da)的(de)(de)(de),在機(ji)電行業(ye)中都輸數(shu)一數(shu)二的(de)(de)(de),半(ban)容(rong)(rong)積(ji)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)是將熱(re)(re)(re)流體的(de)(de)(de)部(bu)分熱(re)(re)(re)量(liang)傳(chuan)(chuan)遞給冷流體的(de)(de)(de)設(she)備(bei).換(huan)(huan)(huan)熱(re)(re)(re)器(qi)是化工(gong)、石油(you)(you)、動(dong)力(li)、食品(pin)及其(qi)它許多工(gong)業(ye)部(bu)門的(de)(de)(de)通(tong)用(yong)設(she)備(bei),在生產中占有重要地位.下(xia)面換(huan)(huan)(huan)熱(re)(re)(re)設(she)備(bei)廠(chang)家就為(wei)大(da)家介紹一下(xia)半(ban)容(rong)(rong)積(ji)式(shi)換(huan)(huan)(huan)熱(re)(re)(re)器(qi)的(de)(de)(de)各(ge)項(xiang)性(xing)能特(te)點(dian):高(gao)(gao)效節(jie)(jie)能,換(huan)(huan)(huan)熱(re)(re)(re)器(qi)傳(chuan)(chuan)熱(re)(re)(re)系數(shu)。不銹鋼(gang)制作,使(shi)用(yong)壽命長,可達20年(nian)以上(shang)。層(ceng)流為(wei)湍(tuan)流,提高(gao)(gao)了換(huan)(huan)(huan)熱(re)(re)(re)效率(lv),降低了熱(re)(re)(re)阻(zu)。傳(chuan)(chuan)熱(re)(re)(re)速(su)度(du)快,耐(nai)高(gao)(gao)400℃),耐(nai)高(gao)(gao)壓(2.5Mpa)。結(jie)構緊湊,占面積(ji)小,重量(liang)輕,安(an)裝方便,節(jie)(jie)約土建(jian)投(tou)資。設(she)計靈(ling)活,規格齊全(quan),實用(yong)針對(dui)性(xing)強(qiang),節(jie)(jie)約資金(jin)。使(shi)用(yong)條件廣泛,適用(yong)較大(da)的(de)(de)(de)壓力(li)、溫度(du)范圍和多種介質熱(re)(re)(re)交(jiao)換(huan)(huan)(huan)。維護(hu)費用(yong)低,易(yi)操作,清(qing)垢周期(qi)長,清(qing)洗方便。使(shi)用(yong)納米熱(re)(re)(re)膜技術,顯著增大(da)傳(chuan)(chuan)熱(re)(re)(re)系數(shu)。應用(yong)領域廣闊,可廣泛用(yong)于熱(re)(re)(re)電、廠(chang)礦、石油(you)(you)化工(gong)、城(cheng)市(shi)集(ji)中供熱(re)(re)(re)、食品(pin)醫藥、能源電子(zi)、機(ji)械輕工(gong)等領域。
容(rong)積式換熱(re)(re)(re)(re)器采(cai)用高效傳(chuan)熱(re)(re)(re)(re)管—螺紋管作(zuo)為換熱(re)(re)(re)(re)元(yuan)件,傳(chuan)熱(re)(re)(re)(re)系數高,比光(guang)管換熱(re)(re)(re)(re)器高1—3倍,流動阻力(li)小(xiao),消(xiao)耗動力(li)少。由于在(zai)換熱(re)(re)(re)(re)器內(nei)(nei)部結構上有(you)了重大(da)改(gai)進,使換熱(re)(re)(re)(re)器的(de)各項性能指標均有(you)顯著提高。容(rong)積式換熱(re)(re)(re)(re)器具備一定(ding)的(de)水存儲量,在(zai)賓館(guan)、飯(fan)店、機關、學校、醫院、工(gong)廠、礦山(shan)等工(gong)業與(yu)民用建筑的(de)生活熱(re)(re)(re)(re)水供應(ying)系統(tong)中(zhong),應(ying)用廣(guang)泛。容(rong)積式換熱(re)(re)(re)(re)器特(te)(te)點:1. 換熱(re)(re)(re)(re)器的(de)材(cai)質根據介質的(de)不同(tong),可選用碳素(su)鋼、不銹(SUS304,SUS316,SUS316L)、銅管及其它特(te)(te)殊材(cai)質。2. 換熱(re)(re)(re)(re)器內(nei)(nei)的(de)流體充(chong)分,抗垢能力(li)強。3. 罐(guan)內(nei)(nei)全(quan)部儲存熱(re)(re)(re)(re)水,無滯水、冷(leng)水區(qu)(qu),溶積利(li)用率高。4. 殼體為不銹鋼Ocr18Ni9或Q235B內(nei)(nei)襯紫銅板外(wai)壁涂漆防腐,換熱(re)(re)(re)(re)管采(cai)用T2紫銅管。應(ying)用領域:賓館(guan)、酒店、住宅小(xiao)區(qu)(qu)及其他生活與(yu)工(gong)業的(de)熱(re)(re)(re)(re)水供應(ying)。主要(yao)參數:工(gong)作(zuo)壓力(li):0.2~2.5Mpa產(chan)熱(re)(re)(re)(re)水量:0.4m3/h~60m3/h