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RO/NF系统的常见故障及其特点(1)--污堵


      反渗透/纳滤系统的常见具体故障包括污堵、化学破坏、机械破坏、其它硬件故障几大类。下面将主要故障现象及其特点分别加以祥细解释。虽然此处将各种故障总结较为全面,但是并不能绝对涵盖所有故障,特别是膜应用范围逐渐拓宽的情况下,不断可能碰到新问题。

YI、WUDU

万人斗地主       WUDULEIXINGHENFANDUO,CHANGLEIXINGJUTIBAOHANWEISHENGWUWUDU、KELIWUWUDU、JIAOTIWUDU、JINSHUYANGHUAWUWUDU、JINSHUYANGHUAWUWUDU、KERONGGOULEIWUDU、NANRONGGOULEIWUDU、YOUJIWUWUDUDENGDENG,BUYIERZU。

1、  WEISHENGWUWUDU

万人斗地主        WEISHENGWUWUDUSHIZHIYUANSHUIZHONGDEWEISHENGWUZAIRO/NFMOZUJIANNEIXINGCHENGQUNLUO,BINGSHIFANGDAIXIECHANWUDUSAIMOZUJIAN,SHIQIJIANSHAOCHANSHUINENGLIDEGUOCHENG。

 ZHEIGEDUSAIGUOCHENGFAZHANDEJILISHIZHEIYANGDE。SHOUXIAN,WEISHENGWUTONGGUOYUCHULIXITONGHOUJINRURO/NFMOXITONG,YOUYUMOXITONGDESHUILIUSUDUBIGUANDAOXITONGNEIXIAODEDUO,ZHEIYANGWEISHENGWUBIJIAORONGYIZAIMOMIANSHANGXIFUZHUZU,LIYONGDUIJIZAIMOMIANSHANGDESHUILIUSUDUBIGUANDAOXITONGNEIXIAODEDUO, ZHEIYANGWEISHENGWUBIJIAORONGYIZAIMOMIANSHANGXIFUZHUZU,LIYONGDUIJIZAIMOMIANSHANGDEWURANWUJISHUIZHONGDELIZI、YOUJIWUDENGZUOWEIDEYINGYANGWUZHI,ZAIHESHIDESHUIWENXIA,WEISHENGWUBIANNENGDALIANGFANZHIZIZHANG,BINGFANGCHUDALIANGZHANXINGDAIXIECHANWU。 ZHEIXIEZHANXINGHENQIANGDEDAIXIECHANWUDUIMOMIANDETOUSHUIKONGDAOYIJIJINSHUITONGDAOGEWANGDENGJUNJUYOUXIFUZUOYONG,DALIANGXIFUDUIJIDEJIEGUO,CONGHONGGUANSHANGJIUBIAOXIANCHUHENQIANGDEDUMOXINGNENG。

      WEISHENGWUKUAISUZIZHANGXUYAO4GEBIYAOTIAOJIAN:WEISHENGWUJUNYUAN、HESHIDEWENDU、DALIANGDEYINGYANGWUZHI、SHUIFEN。CONGZHEIJIGEBIYAOTIAOJIANZHONG,WOMENKEYIZHAODAOYIZHIWEISHENGWUZIZHANGDECUOSHI。YIGESHISHASIWEISHENG WUHUOTIBENSHEN,WEISHENGWUJIUHUIBIANMAN;LINGYIGESHIQUDIAOYINGYANGYUAN,MEIYOUZUGOUCHI,WEISHENGWUYENANYIDALIANGZENGZHI。YOUYUYOUJIMODENAIWENXINGBUGAO,SUIRANBUNENGDAFUSHENGWENLAISHAJUN;DANCONGSHUIWENDEGAO DI,WOMENNENGGOUYUCEMOUXITONGZAIBUTONGSHUIWEN、BUTONGJIJIEDEWEISHENGWUZIHUOXING。ZAIWEISHENGWUJIAOWANZIZHANGDEXIAJI,SHAJUNCUOSHIYAOJIAQIANG;ERDONGJIZEKEYIJIANRUO。


万人斗地主 2、  KELIWUWUDU

      KELIWUWUDUSHIZHISHUIZHONGSUOJIADAIDENITU、ZHANTU、XISHADENGKELIZHUANGDEWUZHIDUIRO/NFDETOUSHUIKONGDAO、JINSHUITONGDAODEXINGCHENGDUSAI。KELIWUWUDUYANZHONGSHI,QIJINSHUIDESDI15WANGWANGJIAOGAO,BUHEGE。XIXIAODEWEILIBUJINHUIDUSAIMOMIANSHANGDEWEIXIAOTOUSHUIKONGDAO,ERQIEDALIANGLEIJIHOUJIUHUIXINGCHENGLVBING,DUSAIRO/NFMOZUJIANDEJINSHUITONGDAO,CONGERYINGXIANGCHANSHUILIANG。RUGUOKELIWUZHONGHANYOUDAIFENGRUILENGJIAODESHALIHUOZHEBORUDAOPIANDEPIANZHUANGSHAPIAN,NEIMEZAIQITINGDEGUOCHENGZHONG、HUOZHEHANQITI、 HUOZHEZHENDONGJIAODADEQINGKUANGXIA,FENGRUIDEBIANJIAOHAIKENENGDUIRO/NFMOMIANJIEGOUXINGCHENGZHIJIEDESHANGHAI,CONGERYINGXIANGXITONGDETUOYANLV。

       YIBANLAISHUO,DANGSDI15<3SHI,KELIWUWUDUBUHUIHENYANZHONG;DANGDANGSDI15≡3-4SHI,KELIWUDEWUDUHUIMINGXIANJIAZHONG;DANGDANGSDI15≡3-5SHI,KELIWUWUDUJIUHUIBIANDEHENXIANZHU;DANGSDI15>5SHI,KELIWUWUDUHUIYANZHONGDAOBUNENGJIESHOU。YINCI,YIBANRO/NFXITONGJUNYAOQIUJINSHUISDI15BUYAOCHAOGUO5。

       SHENJINGSHUIZHONGDESDI15TONGCHANGXIAOYU,YOUSHISHENZHIXIAOYU1,YINCI,DANGYUANSHUIWEISHENJINGSHUISHI,YANZHONGKELIWUWUDUJIBENRENWEIBUHUIFASHENG。DIBIAOSHUIDESDI15TONGCHANGDAYU3,YANZHONGDENENGCHAOGUO5,YINCI,DANGYUANSHUIWEIDIBIAOSHUISHI,KELIWUWUDUDEQIANLIHENDA。FEISHUIDESDI15TONGCHANGCHAOGUO5,YINCIQIKELIWUWUDUDEQIANLIZUIDA,DUIYUCHULIYAOQIUZUIGAO


万人斗地主 3、  JIAOTIWUDU

      JIAOTIWUDUDUOFASHENGZAIJIAOTIHANLIANGGAODEJINGSHUI、DIBIAOSHUI(HESHUI、HUSHUI、SHUIKUSHUI、HAISHUI)、FEISHUIZHONG。SHIJISHANGDUOSHUXITONGDOUCUNZAIJIAOTIWUDU,ZHISHIYANZHONGCHENGDUBUTONGERYI。YIBANRENJIA RULV、TIEXIXUNINGJIHUOZHEBENLAIJIUHANYOUGAONONGDUJIAOTISHI,JIUYINGGAIZHUYIJIAOTIWUDUDEFENGXIAN。YIBANXUNING、CHENGQING、GUOLVNENGXIANZHUJIANGDIJIAOTIHANLIANG,CONGERJIANSHAOJIAOTIWUDU。BUGUOZUIDEDAFUJIANSHAO SHENZHIXIAOCHUJIAOTIWUDUDEBANFASHICAIYONGCHAOLVUFZUOWEIRODEYUCHULI,WEILVDEZUOYONGCIZHI。


万人斗地主 4、  JINSHUYANGHUAWUWUDU

       YOUYUGEZHONGSHUIYUANZHONGJINSHULIZIDEGUANGFANCUNZAI,SHUSONGGUANDAOXITONGDENEIBIFUSHI,HUOZHESHIHUAGONGYEFEISHUICHANGHANCUIHUAJIDENGDENG,YIBANYUCHULIXITONGBINGBUNENGCHEDIQUDIAOJINSHULIZI。YINCIROHUODUOHUOSHAOMIANLINJINSHUYANGHUAWUDEWUDU。ZUICHANGJIANDEYANGHUAWUWUDUYOUFe2O3、MnO2JIQITAZHONGJINSHULIZIDEYANGHUAWUHUOLUOHEWUDENGDENG。ZHONGJINSHULIZIYANGHUAWUHUOLUOHEWUDECUNZAI,BUJINHUIDUSAIROMODEMOKONG,ERQIEZAIQINGXI、XIAODUDENGDENGGUOCHENGZHONGKENENGDUIMOXINGCHENGCUIHUAYANGHUAPOHUAI。

5、可溶垢类污堵
      可溶垢类主要是指碳酸钙、氢氧化镁等这些易为普通酸类溶解掉的垢类成分。抑制这些垢类生成的方法:一是给水加酸降低进水LSI;二是加阻垢剂。由于这些垢类 容易溶解,因此即使发生污堵,只要及时采取清洗措施,一般容易恢复系统的性能。当然,严重污堵以致堵塞通道的情况应该避免,这样意味着可溶垢与难溶垢夹杂 在一起。当然,严重污堵以至堵塞通道的情况应该避免,这样意味着可溶垢与难溶垢夹在一起,会大大增加清洗难度和工作强度。


万人斗地主 6、 NANRONGGOULEIWUDU

      NANRONGGOULEIYONGPUTONGDEBIAOZHUNQINGXIFANGFAJIAONANXIDIAO,YINCICHENGWEIRODENANDIAN。YIBANZUIHAOBIMIANNANRONGGOUSHENGCHENG,YIDANSHENGCHENG,YIDANXINGCHENGDUIJI,DUOSHUQINGKUANGXIANANYICHEDIHUIFUXINGNENG。CHANGJIANDENANRONGGOUYOUBaSO4、SrSO4、CaSO4、CaF2、Ca3(PO4)2、SiO2JIGUISUANYANDENGDENG。YIZHINANRONGGOUDEZHUYAOFANGFASHIJIARUZULIANGDEGAOXIAOZUGOUJI。


万人斗地主 7、  YOUJIWUWUDU

      YOUJIWUWURANWUDEZHONGLEIBIJIAODUO。CHANGJIANYOULEI、ZHILEI、YANGLIZIXINGBIAOMIANHUOXINGJI、FEILIZIXINGBIAOMIANHUOXINGJI、XIFULIQIANGDEHUANSHIJI、FEILIZIXINGBIAOMIANHUOXINGJI、XIFULIQIANGDEHUANSHIJI (RUBTA)、YANGLIZIXINGDESHAJUNMIEZAOJI(RUJIANYAN)、YANGLIZIXINGDEGAOFENZIZHUNINGJI、HUANYANGCHENJIAOBUHAOHUOWEIGANTOUERSHIFANGDEYOUJIWU、PVCSULIAOBUJIANSHIFANGDETIANJIAJIDENGDENG。QIZHONG YISHUSHUIXING、DAIZHENGDIAN、DAFENZIDEYOUJIWUDUIROMODEDUSAIZUIWEIZHIMING,HUIDAOZHICHANSHUILIANGJIJUXIAJIANG,YUNXINGYALIDAFUSHANGSHENG。


万人斗地主 8、  QITAFEICHANGJIANWUDU(HUOXINGTANFENMOWUDU)

万人斗地主        FEICHANGJIANWUDUSHIJIWEISHAOJIANDEYICHANGWUDU,BAOKUOYUCHULIHUOXINGTANKELIYINMOUXIEYUANYINXINGCHENGFENMOYINQIXIAYOUROWUDU、KONGQIZHONGFENCHENTONGGUOCHUTANQIJINRUERJIROYINQIWUDUDENGDENG。--ROFANSHENTOUZHUANGZHI,


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