鈦熱交換器特點：鈦換熱器因金屬離子不易流失、熱水機組哪家好所以可充分利用這種非磁性特點，用做制藥及食品等用途的換熱器。由于鈦的抗腐蝕能力強、所以器換熱器的使用壽命長、并且在使用中維護費用也少。此外、因其具有體積小、換熱能力大等優點、相關設備（如泵）的投資及運行費用也能相應減少鈦熱交換器應用范圍：鈦換熱器憑借工業純鈦的各種優良性質，廣泛應用于各類海鮮養殖，海水換熱，鹽水換熱，化工，食品，醫藥，冶金，制冷，輕工，供應熱水機組電鍍行業、鋁氧化槽(cao)、制鹽(yan)、造紙(zhi)、超聲波(bo)、電子通(tong)訊、集中供熱等行業和領域。

回用(yong)(yong)性能的(de)(de)(de)(de)(de)檢(jian)(jian)(jian)驗和檢(jian)(jian)(jian)測。在(zai)(zai)懷(huai)疑有(you)銹蝕的(de)(de)(de)(de)(de)情況下(xia)對換(huan)(huan)(huan)熱(re)器(qi)(qi)及管(guan)道(dao)的(de)(de)(de)(de)(de)壁厚進(jin)(jin)行(xing)(xing)檢(jian)(jian)(jian)查;清(qing)除(chu)老化(hua)的(de)(de)(de)(de)(de)密(mi)封(feng)件(jian)，根據(ju)不(bu)同的(de)(de)(de)(de)(de)污(wu)垢，采用(yong)(yong)酸堿進(jin)(jin)行(xing)(xing)化(hua)學清(qing)洗，被(bei)清(qing)洗零部件(jian)的(de)(de)(de)(de)(de)表面不(bu)會受(shou)到(dao)化(hua)學介質的(de)(de)(de)(de)(de)腐蝕侵害;還要著重檢(jian)(jian)(jian)查密(mi)封(feng)槽的(de)(de)(de)(de)(de)情況，必要時(shi)進(jin)(jin)行(xing)(xing)修(xiu)整;五是(shi)對于(yu)粘接(jie)(jie)式密(mi)封(feng)墊(dian)(dian)，將徹底清(qing)除(chu)殘留的(de)(de)(de)(de)(de)物(wu)質，使(shi)用(yong)(yong)調和式粘接(jie)(jie)膠重新粘接(jie)(jie)，重新組合的(de)(de)(de)(de)(de)換(huan)(huan)(huan)熱(re)器(qi)(qi)片組在(zai)(zai)專(zhuan)用(yong)(yong)夾(jia)(jia)具中夾(jia)(jia)緊，使(shi)粘接(jie)(jie)劑固化(hua)，在(zai)(zai)保溫爐中加(jia)熱(re)保溫，以(yi)達到(dao)粘接(jie)(jie)效果(guo)。如果(guo)沒有(you)備用(yong)(yong)的(de)(de)(de)(de)(de)密(mi)封(feng)墊(dian)(dian)，必須從(cong)整個板式換(huan)(huan)(huan)熱(re)器(qi)(qi)組中取(qu)下(xia)受(shou)損(sun)密(mi)封(feng)墊(dian)(dian)兩(liang)側的(de)(de)(de)(de)(de)散熱(re)片，然后對剩(sheng)余(yu)(yu)(yu)散熱(re)片的(de)(de)(de)(de)(de)密(mi)封(feng)墊(dian)(dian)結(jie)合面進(jin)(jin)行(xing)(xing)檢(jian)(jian)(jian)查。必須嚴格按(an)照使(shi)用(yong)(yong)說明(ming)書(shu)中的(de)(de)(de)(de)(de)要求安裝剩(sheng)余(yu)(yu)(yu)的(de)(de)(de)(de)(de)換(huan)(huan)(huan)熱(re)器(qi)(qi)片，為了保證剩(sheng)余(yu)(yu)(yu)的(de)(de)(de)(de)(de)換(huan)(huan)(huan)熱(re)器(qi)(qi)有(you)足夠的(de)(de)(de)(de)(de)應力以(yi)抵抗負載，必須將原(yuan)來(lai)各片允(yun)許承(cheng)受(shou)的(de)(de)(de)(de)(de)應力乘以(yi)原(yuan)來(lai)的(de)(de)(de)(de)(de)換(huan)(huan)(huan)熱(re)器(qi)(qi)片數，所得的(de)(de)(de)(de)(de)積再(zai)除(chu)以(yi)當前剩(sheng)余(yu)(yu)(yu)換(huan)(huan)(huan)熱(re)器(qi)(qi)的(de)(de)(de)(de)(de)片數，得到(dao)現在(zai)(zai)每(mei)個換(huan)(huan)(huan)熱(re)器(qi)(qi)片必須承(cheng)受(shou)的(de)(de)(de)(de)(de)組裝應力數值(zhi)。

容積(ji)式(shi)換(huan)熱器(qi)(qi)利用(yong)(yong)(yong)(yong)(yong)增(zeng)壓(ya)(ya)泵出口處(chu)止回閥(fa)(fa)(fa)(fa)和(he)電(dian)磁閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)，當用(yong)(yong)(yong)(yong)(yong)戶(hu)系統(tong)(tong)運(yun)行時(shi)，即(ji)用(yong)(yong)(yong)(yong)(yong)戶(hu)增(zeng)壓(ya)(ya)泵啟動時(shi)，電(dian)磁閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)通(tong)電(dian)，當用(yong)(yong)(yong)(yong)(yong)戶(hu)系統(tong)(tong)內壓(ya)(ya)力(li)超過定壓(ya)(ya)壓(ya)(ya)力(li)(確保(bao)用(yong)(yong)(yong)(yong)(yong)戶(hu)系統(tong)(tong)不(bu)倒空)后，電(dian)磁閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)自(zi)動開啟，用(yong)(yong)(yong)(yong)(yong)戶(hu)回水經(jing)閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)定壓(ya)(ya)為用(yong)(yong)(yong)(yong)(yong)戶(hu)系統(tong)(tong)的(de)(de)(de)定壓(ya)(ya)壓(ya)(ya)力(li)，并容積(ji)式(shi)換(huan)熱器(qi)(qi)減(jian)壓(ya)(ya)至和(he)熱網回水管壓(ya)(ya)力(li)相同；當用(yong)(yong)(yong)(yong)(yong)戶(hu)容積(ji)式(shi)換(huan)熱器(qi)(qi)增(zeng)壓(ya)(ya)泵停止運(yun)行時(shi)，電(dian)磁閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)斷(duan)電(dian)自(zi)動關(guan)閉，這樣用(yong)(yong)(yong)(yong)(yong)戶(hu)系統(tong)(tong)內的(de)(de)(de)水就被(bei)密閉起來，如果不(bu)漏水，可保(bao)證用(yong)(yong)(yong)(yong)(yong)容積(ji)式(shi)換(huan)熱器(qi)(qi)戶(hu)系統(tong)(tong)內壓(ya)(ya)力(li)在(zai)較長時(shi)間維(wei)持在(zai)定壓(ya)(ya)壓(ya)(ya)力(li)左(zuo)右。也就是說(shuo)，不(bu)論增(zeng)壓(ya)(ya)冪運(yun)行還是不(bu)運(yun)行，用(yong)(yong)(yong)(yong)(yong)戶(hu)系締內的(de)(de)(de)壓(ya)(ya)力(li)都町堆持在(zai)倧(zong)壓(ya)(ya)壓(ya)(ya)力(li)范(fan)圍內。

在檢修維護(hu)換熱(re)器汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)時發現汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)泄漏(lou)，在汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)的(de)閥蓋角(jiao)焊(han)縫(feng)(feng)處出現裂(lie)紋(wen)，裂(lie)紋(wen)平行于(yu)焊(han)縫(feng)(feng)。采(cai)用(yong)宏(hong)觀形(xing)貌分析(xi)(xi)、化學成分分析(xi)(xi)、金相檢驗、顯微硬(ying)度測定、能譜分析(xi)(xi)以(yi)及應(ying)力(li)(li)分析(xi)(xi)等方法對泄漏(lou)處進(jin)行了分析(xi)(xi)。結果表(biao)明，汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)中水質含有較(jiao)高(gao)濃度的(de)堿性(xing)元素(su)和氯、硫、氧等強腐(fu)(fu)蝕性(xing)元素(su)，又在焊(han)接殘(can)余(yu)應(ying)力(li)(li)的(de)作用(yong)下發生應(ying)力(li)(li)腐(fu)(fu)蝕開裂(lie)，最后導致汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)產生泄漏(lou)。應(ying)力(li)(li)腐(fu)(fu)蝕；沿晶；堿脆；軋制(zhi)帶狀組織(zhi)某化工廠換熱(re)器汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)于(yu)1996年(nian)投(tou)入使用(yong)，于(yu)2005年(nian)上半年(nian)維護(hu)檢修時發現滲漏(lou)。經去除(chu)外(wai)(wai)面保溫材料后，發現汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)的(de)蓋板角(jiao)焊(han)縫(feng)(feng)位置出現裂(lie)紋(wen)，裂(lie)紋(wen)為(wei)穿(chuan)透型，起源(yuan)于(yu)汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)內表(biao)面，換熱(re)器外(wai)(wai)形(xing)尺寸(cun)(cun)為(wei)1632mm9423mm，汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)外(wai)(wai)形(xing)尺寸(cun)(cun)1632mm400mm，汽(qi)(qi)(qi)(qi)包(bao)(bao)(bao)(bao)封(feng)頭(tou)材料為(wei)16MnR鋼。