清洗熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)減少事(shi)故(gu)停(ting)(ting)機(ji)(ji),改善制冷(leng)(leng)(leng)效果。清洗可去(qu)除污泥,使(shi)管(guan)路暢通,水質清澈。同時除垢、防(fang)垢,提高了(le)冷(leng)(leng)(leng)凝(ning)器(qi)、蒸(zheng)發器(qi)的(de)熱(re)(re)效率,從(cong)而避免了(le)高壓(ya)運(yun)行(xing)超壓(ya)停(ting)(ting)機(ji)(ji)現(xian)(xian)象,提高了(le)冷(leng)(leng)(leng)凍水流量,改善了(le)制冷(leng)(leng)(leng)效果,使(shi)系統(tong)安全高效運(yun)行(xing)。為用(yong)戶節約大量維(wei)修(xiu)(xiu)費(fei):未經處(chu)理的(de)熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi),則(ze)會(hui)出現(xian)(xian)管(guan)道堵(du)塞、結垢、腐蝕(shi),超壓(ya)停(ting)(ting)機(ji)(ji)直至發生事(shi)故(gu),如熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)因腐蝕(shi)泄漏、溶液污染,則(ze)需更換(huan)(huan)銅管(guan),更換(huan)(huan)溶液,維(wei)修(xiu)(xiu)主(zhu)機(ji)(ji),一(yi)般需維(wei)修(xiu)(xiu)費(fei)2-5萬元。而經過(guo)清洗熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)后,既可減少維(wei)修(xiu)(xiu)費(fei)用(yong),又可延長設備(bei)使(shi)用(yong)壽命,還(huan)能為業主(zhu)減少幾(ji)十(shi)萬幾(ji)百萬的(de)損失。為使(shi)熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)系統(tong)在最優(you)化狀態(tai)下運(yun)行(xing),就必須對熱(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)系統(tong)的(de)水系統(tong)進行(xing)專(zhuan)門的(de)化學藥物處(chu)理:清除水垢、銹(xiu)蝕(shi)、粘泥、殺菌和防(fang)腐蝕(shi)處(chu)理:
1、化(hua)學(xue)清洗(xi)殺(sha)菌:加入化(hua)學(xue)清洗(xi)劑和(he)殺(sha)菌劑、將系統內的浮銹、垢、油污、細菌和(he)藻類(lei)清洗(xi)分散排(pai)出,還原成清潔的金屬表面;
2、日常(chang)養護(hu):加入緩蝕(shi)阻垢(gou)劑,避免金屬生(sheng)銹,防止鈣鎂離子結晶沉淀(dian)熱交(jiao)換器(qi)經過長時間(jian)運行,不可避免的(de)出現(xian)了水垢(gou)、銹蝕(shi)問題,腐(fu)蝕(shi):熱交(jiao)換器(qi)的(de)冷(leng)(leng)卻(que)、冷(leng)(leng)凍(dong)水未(wei)經處理有(you)極(ji)強的(de)腐(fu)蝕(shi)性,如將(jiang)普通鋼片或鐵(tie)釘放入水中,幾天后就會出現(xian)鐵(tie)銹,放置時間(jian)越(yue)(yue)長則銹蝕(shi)越(yue)(yue)嚴重。設備(bei)內壁常(chang)因腐(fu)蝕(shi)造成(cheng)銹渣(zha)脫落(luo),甚至于(yu)穿孔,脫落(luo)的(de)銹渣(zha)會堵塞盤管(guan),使(shi)換熱效果下降;同時腐(fu)蝕(shi)的(de)存在使(shi)設備(bei)的(de)使(shi)用壽命(ming)大為(wei)縮短。
清洗熱交換器結垢:
管(guan)道(dao)內溶(rong)于(yu)水(shui)中(zhong)的(de)無機鹽結(jie)晶析出(chu),在(zai)冷(leng)凝(ning)器(qi)(qi)等換(huan)(huan)熱(re)(re)(re)(re)(re)(re)面(mian)管(guan)壁(bi)上(shang)形成(cheng)水(shui)垢(gou),導(dao)致熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)效率(lv)降(jiang)低(di),制冷(leng)效果下降(jiang),嚴(yan)重(zhong)(zhong)時下降(jiang)30%。同(tong)時硬垢(gou)增加(jia),則用(yong)電(dian)量上(shang)升,嚴(yan)重(zhong)(zhong)時增加(jia)35%。生(sheng)物(wu)(wu)粘(zhan)(zhan)泥(ni):由于(yu)水(shui)的(de)泥(ni)土、泥(ni)沙、腐殖物(wu)(wu)形成(cheng)污垢(gou),加(jia)上(shang)細(xi)菌(jun)、藻(zao)類等微生(sheng)物(wu)(wu)及其分泌(mi)物(wu)(wu)形成(cheng)的(de)生(sheng)物(wu)(wu)粘(zhan)(zhan)泥(ni),嚴(yan)重(zhong)(zhong)時造(zao)成(cheng)管(guan)路堵塞(sai);而污垢(gou)、粘(zhan)(zhan)泥(ni)會影響(xiang)熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)效率(lv),多耗電(dian)能,造(zao)成(cheng)高(gao)壓運(yun)行(xing),嚴(yan)重(zhong)(zhong)時造(zao)成(cheng)超壓停機。所有這些嚴(yan)重(zhong)(zhong)地影響(xiang)了熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)的(de)正常運(yun)行(xing)。所以熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)系統出(chu)現水(shui)垢(gou)、銹(xiu)蝕、淤泥(ni)、細(xi)菌(jun)和藻(zao)類問(wen)題將直(zhi)接(jie)導(dao)致換(huan)(huan)熱(re)(re)(re)(re)(re)(re)能力減(jian)弱,使用(yong)壽(shou)命縮短、運(yun)行(xing)可靠(kao)性降(jiang)低(di)、能耗提高(gao)導(dao)致運(yun)行(xing)費(fei)用(yong)增加(jia)。為(wei)使熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)系統在(zai)最優化狀(zhuang)態(tai)下運(yun)行(xing),就必須對熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)的(de)冷(leng)卻水(shui)和冷(leng)凍水(shui)系統進(jin)行(xing)專門(men)的(de)化學藥物(wu)(wu)清(qing)(qing)洗(xi)熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)處理:清(qing)(qing)除(chu)水(shui)垢(gou)、銹(xiu)蝕、粘(zhan)(zhan)泥(ni)、殺(sha)菌(jun)和防腐蝕處理,意義(yi)在(zai)于(yu):節(jie)約能源(yuan)、降(jiang)低(di)運(yun)行(xing)成(cheng)本。在(zai)熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)的(de)蒸發器(qi)(qi)和冷(leng)凝(ning)器(qi)(qi)傳(chuan)熱(re)(re)(re)(re)(re)(re)過程(cheng)中(zhong),污垢(gou)直(zhi)接(jie)影響(xiang)著(zhu)傳(chuan)熱(re)(re)(re)(re)(re)(re)效率(lv)和設備(bei)(bei)的(de)正常運(yun)行(xing),熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)運(yun)行(xing)結(jie)果表(biao)明(ming),未進(jin)行(xing)清(qing)(qing)洗(xi)熱(re)(re)(re)(re)(re)(re)交(jiao)(jiao)換(huan)(huan)器(qi)(qi)運(yun)行(xing)一(yi)段(duan)時間后用(yong)電(dian)消耗將增加(jia)10-30% 延長使用(yong)壽(shou)命,減(jian)少設備(bei)(bei)折舊使用(yong)費(fei)。