在化工企業運用中,若蒸發結晶器發(fa)生(sheng)浸(jin)蝕(shi),在(zai)知(zhi)道(dao)後(hou)必(bi)須(xu)盡(jin)快(kuai)采(cai)取(qu)有(you)效(xiao)措(cuo)施(shi),降(jiang)低(di)損(sun)失(shi),以(yi)免(mian)造(zao)成(cheng)正(zheng)常(chang)運(yun)行(xing)。首(shou)先(xian)要(yao)剖(pou)析(xi)浸(jin)蝕(shi)發(fa)生(sheng)的(de)原(yuan)因(yin),並(bing)依(yi)據(ju)緣(yuan)故(gu),再(zai)決(jue)定(ding)是(shi)否(fou)運(yun)用(yong)高(gao)分(fen)子(zi)複(fu)合(he)材(cai)料(liao)做(zuo)防(fang)腐(fu)蝕(shi)修(xiu)補(bu)。
1、蒸zheng氣qi衝chong刷shua腐fu蝕shi。依yi據ju以yi前qian發fa生sheng泄xie露lu情qing況kuang進jin行xing剖pou析xi,在zai熱re交jiao換huan器qi殼ke程cheng工gong作zuo壓ya力li低di的de情qing形xing下xia,筒tong體ti泄xie露lu的de機ji率lv低di,殼ke程cheng走zou中zhong壓ya蒸zheng汽qi,上shang筒tong體ti間jian距ju蒸zheng氣qi通tong道dao近jin,很hen容rong易yi產chan生sheng衝chong刷shua腐fu蝕shi。換huan熱re器qi管guan束shu存cun有you溫wen度du差cha地di應ying力li,導dao致zhi筒tong體ti與yu換huan熱re器qi相xiang接jie處chu泄xie露lu。
2、gouxiafushi。piaofuyushuijieyelidejuyixilazaihuanreqiguanshushang,chanshengwuziduijiwu,chanshenggouxiafushi。jinguanzaiguanbiaomianfenshuahuanyangfuxinqikaizhanguandaoyinjibaohu,danshuijieyesanjiguanbiaomianfangfuyouqidechongxibijiaoyanzhong,wufajuyoufangfushixiaoguo。tongtigouxiafushiyinzishendianhuaxuefanyingcunyouzicuihuafanying,jiakuaitongtijinshi,shitongtibufenjinshucailiaobohua,jinshitouguoguanbanhankou,daozhiguanmianxielu。
3、流liu動dong速su度du浸jin蝕shi。換huan熱re器qi管guan程cheng阻zu塞sai後hou,耗hao熱re量liang和he熱re傳chuan導dao差cha,使shi熱re傳chuan導dao傳chuan熱re係xi數shu提ti升sheng,從cong而er使shi總zong傳chuan熱re係xi數shu減jian少shao,提ti升sheng熱re傳chuan導dao總zong麵mian積ji,進jin而er填tian補bu因yin阻zu塞sai傳chuan熱re係xi數shu的de提ti高gao而er造zao成cheng總zong傳chuan熱re係xi數shu減jian少shao。
在蒸發結晶器的運行時,大多數因應用甚至造成酸、堿、鹽、汙水通過中合後,帶有比較高鹽份,對生物處理造成不太好危害。針對含鹽廢水,主要采用蒸發結晶器開展多效蒸發。
選用高新科技納米材料,能夠明顯增強塗層的耐磨損、耐腐蝕、耐熱、耐磨損等作用,還可以為蒸發結晶器給予具有較高的耐磨性能、高粘合力、耐老化強、耐熱震的維護鍍層。
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