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:34297
碟管(guan)式(shi)反滲透(tou)DTRO系統(tong)處(chu)(chu)理效果不(bu)依賴于預處(chu)(chu)理工藝,開放式(shi)流(liu)道(dao)可處(chu)(chu)理含膠體及懸浮物較多的(de)廢水(shui);膜組件流(liu)程(cheng)短,流(liu)道(dao)寬,特殊的(de)水(shui)力條(tiao)件使(shi)液體在(zai)膜柱內形成湍流(liu),大程(cheng)度上減少了(le)膜表面結垢、污染及濃差極(ji)化的(de)現象。
DTRO膜的日常維護注意事項
1、定期檢(jian)查垃圾滲(shen)濾液水質
垃(la)圾滲濾液水(shui)質(zhi)波動較(jiao)大,在處理過程中需要對(dui)原水(shui)水(shui)質(zhi)定期進行分析檢查
2、定期檢(jian)查單支(zhi)膜組(zu)件產水(shui)水(shui)質(zhi)
DTRO膜組(zu)件(jian)(jian)均采用并聯模式,在(zai)正(zheng)常運行(xing)過程中一(yi)般產(chan)水電(dian)(dian)(dian)導(dao)(dao)變(bian)化不大(da),運行(xing)過程中如(ru)發現產(chan)水外排(pai)電(dian)(dian)(dian)導(dao)(dao)升高的情(qing)況(kuang),可(ke)進(jin)行(xing)單(dan)支膜組(zu)件(jian)(jian)產(chan)水電(dian)(dian)(dian)導(dao)(dao)率(lv)檢查,如(ru)出現電(dian)(dian)(dian)導(dao)(dao)率(lv)比外排(pai)電(dian)(dian)(dian)導(dao)(dao)高的情(qing)況(kuang)可(ke)視情(qing)況(kuang)進(jin)行(xing)單(dan)支膜組(zu)件(jian)(jian)隔離,并進(jin)行(xing)拆(chai)開檢查,一(yi)般為O型圈脫出或者膜片破損情(qing)況(kuang),進(jin)行(xing)更換后可(ke)恢復膜組(zu)件(jian)(jian)性(xing)能
3、定期清洗
DTRO膜(mo)組件在(zai)(zai)運行過(guo)(guo)程中不可(ke)避免會出現污染(ran)的(de)情(qing)況(kuang),因此需要(yao)清(qing)(qing)洗(xi)(xi)(xi)(xi),清(qing)(qing)洗(xi)(xi)(xi)(xi)的(de)方(fang)式一般(ban)(ban)采用(yong)(yong)化學清(qing)(qing)洗(xi)(xi)(xi)(xi),可(ke)采用(yong)(yong)DTRO膜(mo)清(qing)(qing)洗(xi)(xi)(xi)(xi)劑進行在(zai)(zai)線清(qing)(qing)洗(xi)(xi)(xi)(xi)即(ji)可(ke)恢復通量,在(zai)(zai)清(qing)(qing)洗(xi)(xi)(xi)(xi)過(guo)(guo)程一般(ban)(ban)控(kong)制溫度在(zai)(zai)35℃,循環浸(jin)泡,化學清(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)間(jian)一般(ban)(ban)為2小時(shi),如果污染(ran)特別嚴重(zhong)可(ke)適當(dang)延長清(qing)(qing)洗(xi)(xi)(xi)(xi)時(shi)間(jian),清(qing)(qing)洗(xi)(xi)(xi)(xi)過(guo)(guo)程是一個(ge)專業維護的(de)過(guo)(guo)程,需要(yao)操(cao)作人員嚴格按照清(qing)(qing)洗(xi)(xi)(xi)(xi)操(cao)作規程進行清(qing)(qing)洗(xi)(xi)(xi)(xi),以保證膜(mo)組件的(de)使用(yong)(yong)壽命