發布時間:2020-12-29 作者:江蘇格納環境工程有限公司 點擊次數:34432
碟管式(shi)反滲透DTRO系統處(chu)理效(xiao)果不依賴于預處(chu)理工藝(yi),開放式(shi)流(liu)(liu)(liu)道(dao)可處(chu)理含(han)膠體(ti)及懸浮物較多的廢(fei)水(shui);膜組件(jian)流(liu)(liu)(liu)程(cheng)短,流(liu)(liu)(liu)道(dao)寬,特殊的水(shui)力(li)條件(jian)使液體(ti)在膜柱內形成湍流(liu)(liu)(liu),大(da)程(cheng)度上減少了(le)膜表面結(jie)垢、污染及濃(nong)差極化的現象(xiang)。
DTRO膜的日常維護注意事項
1、定(ding)期檢查垃圾(ji)滲(shen)濾液水質
垃圾滲濾液水質(zhi)波動(dong)較大,在處理過程中(zhong)需(xu)要(yao)對原水水質(zhi)定期進行分析檢查
2、定(ding)期檢查單支膜組件產水(shui)水(shui)質(zhi)
DTRO膜組(zu)(zu)件均采用(yong)并(bing)聯模式,在正常運行過程中一般(ban)(ban)產水(shui)電(dian)(dian)導(dao)(dao)(dao)變化不(bu)大(da),運行過程中如發現產水(shui)外排電(dian)(dian)導(dao)(dao)(dao)升高(gao)的情(qing)況,可(ke)進行單支(zhi)膜組(zu)(zu)件產水(shui)電(dian)(dian)導(dao)(dao)(dao)率檢查,如出現電(dian)(dian)導(dao)(dao)(dao)率比(bi)外排電(dian)(dian)導(dao)(dao)(dao)高(gao)的情(qing)況可(ke)視情(qing)況進行單支(zhi)膜組(zu)(zu)件隔離,并(bing)進行拆(chai)開(kai)檢查,一般(ban)(ban)為O型(xing)圈脫出或(huo)者膜片破損情(qing)況,進行更換后(hou)可(ke)恢(hui)復(fu)膜組(zu)(zu)件性能
3、定期清洗
DTRO膜組件在運(yun)行(xing)過(guo)程(cheng)中不可(ke)避免(mian)會出(chu)現污染的情況,因此需要清(qing)(qing)洗(xi)(xi),清(qing)(qing)洗(xi)(xi)的方式一(yi)(yi)般(ban)(ban)采用(yong)(yong)化學(xue)清(qing)(qing)洗(xi)(xi),可(ke)采用(yong)(yong)DTRO膜清(qing)(qing)洗(xi)(xi)劑進行(xing)在線清(qing)(qing)洗(xi)(xi)即可(ke)恢復(fu)通量,在清(qing)(qing)洗(xi)(xi)過(guo)程(cheng)一(yi)(yi)般(ban)(ban)控(kong)制溫度在35℃,循環(huan)浸泡,化學(xue)清(qing)(qing)洗(xi)(xi)時(shi)間一(yi)(yi)般(ban)(ban)為2小(xiao)時(shi),如果(guo)污染特別嚴(yan)重可(ke)適當延長(chang)清(qing)(qing)洗(xi)(xi)時(shi)間,清(qing)(qing)洗(xi)(xi)過(guo)程(cheng)是一(yi)(yi)個專業(ye)維護(hu)的過(guo)程(cheng),需要操作人員嚴(yan)格按(an)照清(qing)(qing)洗(xi)(xi)操作規程(cheng)進行(xing)清(qing)(qing)洗(xi)(xi),以保證膜組件的使用(yong)(yong)壽命