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湿式静电除尘器

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大型袋式除尘器在水泥企业的应用

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大型袋式除尘器在水泥企业的应用

发布日期:2019-01-05 作者: 点击:

广东11选5WOGUOSHUINIGONGYESUIZHECHANYEZHENGCEDEDIAOZHENG,SHUINISHENGCHANRIQUDAXINGHUA,ZHEIXIEDAXINGSHUINISHENGCHANXIAN,MEITIAOXIANDOUYOU50DUOTAICHUCHENQI,YAOWEICHUCHENSHIHUANBAOGUANJIANSUOZAI。DAXINGSHUINICHANGDEYAOWEICHUCHEN,GUOQUYIZHIDOUCAIYONGDIANCHUCHENQI,YOUYUDIANCHUCHENQIBIDIANZUDEMINGANXINGJIQICHUCHENJILIJUEDING,QIYANCHENPAIFANGNONGDUJIAOGAO,YIBANDOUZAI100mg/m3YISHANG。SUIZHEHUANBAOXINBIAOZHUNDESHISHI,YAOWEIYANCHENPAIFANGNONGDUDOUYAOQIUXIAOYUDENGYU50mg/m3.YANHAIJINGJIFADADIQUSHENZHIYAOQIUYAOWEIYANCHENPAIFANGNONGDUXIAOYUDENGYU10mg/m3.YINCI,CAIYONGDAISHICHUCHENQISHIYAOTOU、YAOWEICHUCHENFAZHANDEBIRANQUSHI。YEYOUBUSHAOSHUINICHANGGENJUQIYEZISHENSHEBEI、ZIJINQINGKUANG,JIANGBUNENGDABIAOPAIFANGDEDIANCHUCHENQIGAIZAOCHENGDAISHICHUCHENQI,YEQUDELEHENHAODEXIAOGUO。YOUYUDAISHICHUCHENQIDESHIYINGNENGLIBIDIANCHUCHENQIYAOQIANG,YINCI,ZAIYAOTOU、YAOWEICAIYONGDAISHICHUCHENQIYUELAIYUEDUO,FAZHANSHITOUXUNMENG。

湿式静电除尘器

新型干法水泥厂生产过程一般有除尘器50余台。过去除回转窑废气处理和窑头冷却机外,多数企业采用电除尘器。湿式静电除尘器随着环保事业的发展及袋式除尘器技术的进步,水泥生产的整个过程几乎全部可以采用袋式除尘器。

DAXINGHUADEGAOXIAODAISHICHUCHENQISHIXIANDAICHUCHENJISHUFAZHANDEBIAOZHIZHIYI。TACHUCHENXIAOLVGAO,TEBIESHIBUJIWEIXIFENCHENXIAOGUOGENGJIA。JINNIANLAI,DAISHICHUCHENQILVLIAOCAIZHIDETIGAOHEQINGHUIKONGZHIZIDONGHUAYUJIEGOUXINGNENGDEYOUHUA,WEIDAISHICHUCHENQIDEFAZHANTIGONGLEJISHUBAOZHENG,DAXINGGANFASHUINIYAOYAOWEIYANQICHULICAIYONGDAISHICHUCHENQIYIJIANCHENGQUSHI。

广东11选5DAISHICHUCHENQIDEJISHUTEDIAN1.DUIYAOGONGKUANGBIANHUADESHIYINGNENGLIQIANGKEGUANDIJIANG,WULUNSHIDIANCHUCHENQIHAISHIDAISHICHUCHENQIJUNYOUHENGAODEBUCHENXIAOGUO,ZHIYAOSHEJIXUANXINGZHENGQUE、CHANPINZHILIANGYOULIANG、WEIHUCAOZUOHELI,JUNNENGBAOZHENGGUOJIAGUIDINGDEPAIFANGBIAOZHUN。XIANGBIJIAOERYAN,YOUYUSHEBEIJIEGOUJICHUCHENQINGHUIJILIDEBUTONG,DANGYAOGONGKUANGSHIWEN、REGONGCANSHUPIANLIYUANSHEJIZHIBIAOBODONGBIANHUASHI,DAISHICHUCHENQIDESHIYINGNENGLIZEYAOQIANGYIXIE。

实际生产中,当进入电除尘器的废气量或含尘浓度超过原设计值时,其除尘效率就会下降。湿式静电除尘器广东11选5而窑尾废气不可能一直保持在设计指标范围内。当喂料(煤)量、系统漏风超过设计指标时,均有可能使窑尾废气量超标,从而使除尘器的除尘效率下降,排放浓度超标。例如,当进入电除尘器的废气量比设计指标高5%~10%时,其除尘效率将由原设计的99.875%下降至99.83%~99.77%,在这种情况下,若原设计排放浓度≤100mg/m3,实际排放浓度则将上升为137mg/m3~184mg/m3.同样,当预热器内漏风超过2%时,预热器分离效率明显降低,此时废气含尘浓度有可能增大,这也将引起除尘器的除尘效率下降,废气排放浓度超标。

YAOJIEJUEJINRUDIANCHUCHENQIDEFEIQILIANGHUOHANCHENNONGDUZENGJIAERDAOZHICHUCHENXIAOLVXIAJIANG、PAIFANGCHAOBIAODEWENTI,BIXUZENGJIAJIBANYIZENGJIACHENDIANJIBANMIANJI,ZHEIDUIZHENGZAISHIYONGDEDIANCHUCHENQILAISHUOSHIFEICHANGKUNNANDE。ERDAISHICHUCHENQISHIANZHAOXUANDINGDEGUOLVFENGSULAIQUEDINGLVDAIGUOLVMIANJIDE,QILVDAIGUOLVMIANJIJIBENBUSHOUFEIQILIANGHUOHANCHENNONGDUYINGXIANG。DANGJINRUDAISHICHUCHENQIFEIQILIANGZENGJIASHI,QIGUOLVFENGSUZENGJIA、ZULISHANGSHENGSUDUJIAKUAI,CISHIZHIXUJIANGLVDAIQINGHUIZHOUQISUODUAN、QINGHUICISHUZENGJIAJIKEMANZUCHUCHENYAOQIU,QICHUCHENXIAOLVSHIBUSHOUYINGXIANGDE。

LINGWAI,XIANGBIJIAOERYAN,JINRUCHUCHENQIFEIQIDEWENDU、SHIDU(JIYANQIXINGZHI)DEBIANHUADUIDIANCHUCHENQIDEYINGXIANGYAODAXIE。SHISHIJINGDIANCHUCHENQIYIBANKONGZHIJINRUDIANCHUCHENQIDEYANQIWENDUWEI120℃~150℃、SHIDUWEI10%~15%、LUDIANWEI50℃~60℃,GUOGAOHUOGUODIJUNDUIDIANCHUCHENQIYUNXINGBULI。WENDUGUOGAO、SHIDUGUODI,ZEFENCHENBIDIANZUSHENGGAO,YOUKENENGSHIDIANCHANGPINFANHUOHUAFANGDIAN、DIANYUNDIANLIUZENGDA、CHUCHENXIAOLVXIAJIANG;WENDUGUODI、SHIDUGUOGAO,YOUKENENGSHIFENCHENZAIJIBANHEDIANYUNXIANSHANGCHANSHENGZHANFU,SHIZHENDAQINGHUIKUNNAN,YANZHONGSHIHUIYINGXIANGCHUCHENQIZHENGCHANGGONGZUO。

DAISHICHUCHENQIDUIFEIQIWENDU、SHIDUBIANHUADEFANWEIYAOQIUJIAOKUAN,YOUQISHIYOUYUYIXIEXINXINGLVLIAODEYINGYONG,RUBOLIPENGTISHAWEIKONGBOMOFUHELVLIAODENG,QIGONGZUOWENDUWEI250℃(SHUNSHIKEDA280℃),YUNXUWENDUYAOQIUYEJIAODIANCHUCHENQIKUAN。ZONGSHANGSUOSHU,KEYISHUODAISHICHUCHENQIJIAODIANCHUCHENQIDUIYAOGONGKUANGBIANHUAJIYANQIXINGZHIBIANHUADESHIYINGXINGYAOQIANGXIE。

DAISHICHUCHENQINENGBUZHUOXIWEIDEFENCHENSUIZHELVLIAOCHANYEDEFAZHAN,XINCHANPINBUDUANCHUXIAN,YIJINGKEYIXUANZEMANZUBUZHUOXIWEIFENCHENDELVLIAO,ZHEIJIUSHICHUCHENXIAOLVDADATIGAO。

DUIHUANBAOYAOQIUSHIYINGXINGQIANGSUIZHERENMENDUISHENGCUNHUANJINGZHILIANGYAOQIUDEBUDUANTIGAO,ZHENGFUBIRANHUIZHUBUTIGAOHUANBAOBIAOZHUN。MUQIAN,SHISHIJINGDIANCHUCHENQIJINYIBUJIANGDICHUKOUNONGDUZHINENGKAOZENGJIACHENDIANJIBANMIANJILAITIGAOBUCHENXIAOLV,JIANXIAOPAIFANGLIANG,ZHEISHIBIJIANGZENGJIASHEBEITIJIHETOUZI。ERDAISHICHUCHENQIZHIXUTONGGUODIAOZHENGQINGHUIPINLVJIKEMANZUXINPAIFANGYAOQIU。

广东11选5YUNXINGWEIHUJIANDANKEKAOSHUINIYAOYUNXINGGUOCHENGZHONG,ZAIKAIYAOHUOCHULIBUZHENGCHANGYAOKUANGSHI,RANLIAOLIANGZENGJIA、KONGQILIANGBUZUHUOZHERANLIAOYUKONGQIHUNHEBUJUN,YIJIYAOWENGUODISHIRANLIAORANSHAOBUWANQUANSHI,WANGWANGKENENGCHANSHENGDALIANGDECOKERANQITI,YIJIGUODUODEWEIRANJINMEIFENJINRUCHUCHENQINEICHENJI。LINGWAI,DADUOSHUYAOWEICHUCHENQISHIFUYACAOZUO,ZAISHEBEIGUANDAOBUYANMICHULOU,RUKONGQI。BULUNSHIDIANCHUCHENQIHAISHIDAISHICHUCHENQI,RUGUOJINEICUNZAISHANGSHU2ZHONGQINGKUANG(JIJINEIYOUKERANWUZHIHEZHURANYANGQI),YIDANYUSHANGMINGHUO,DOUTONGYANGCUNZAIRANBAODEKENENG。DUIDIANCHUCHENQIERYAN,GAOYADIANCHANGDEFANGDIANHUOHUAJIANGJIFATADERANBAO,QIRANBAODEKENENGXINGGENGDAXIE。YINCI,YAOWEIBIXUZHUANGSHECOJIO2FENXIYI,YIQUEBAODIANCHUCHENQIANQUANYUNXING,ERDUIDAISHICHUCHENQILAIJIANG,YINQIJINEIBUJUBEICHANSHENGMINGHUODETIAOJIAN,XIANGDUIDIANCHUCHENQIQIANQUANXINGGENGDAXIE,KONGZHIYAOQIUBUXUYAORUCIYANGE,YINCIQICAOZUOYUNXINGXIANGDUIYAOJIANDANKEKAOXIE。

除尘器长期运行过程中,总不免会发生一些故障,如电除尘器电电变形或位移,阴极线的松动、断线、电极积灰过多,绝缘瓷瓶破损及袋式除尘器破袋等。对电除尘器来说,一旦出现突发性故障,影响整机运行时,就必须停机离线维修。大型袋式除尘器采用的都是分室结构离线清灰。如2000t/d水泥窑窑尾大布袋除尘器广东11选5一般分14~16个室,某一室发生故障,离线维修,对整机运行基本没有影响,仅过滤风速略有增加而已。

DAISHICHUCHENQIKEYIZAIFEIZHENGCHANGQINGKUANGXIAZUIXIAOPAIFANGXIANYOUDESHUINIYAODADUOCAIYONGDIANCHUCHENQI,SHOUDIANCHUCHENQIZISHENDEANQUANYAOQIU,YOU2ZHONGCHAOBIAOQINGKUANG:①DIANYAOSHIMEIRANSHAOBUWANQUAN,COCHAOBIAO,CISHIBUXIANGDIANCHUCHENQIGONGDIANYINQIFENCHENNONGDUCHAOBIAOPAIFANG。BUGUO,TADESHIJIANBUZHANG,CHAOBIAOPAIFANGLIANGYEBUDA,KEYIHULVE。YAODIANHUO,YAOWENSHANGSHENGDAOYIDINGWENDUSHI,RANSHAOJIBENZHENGCHANGSHICAITOULIAO,DIANCHUCHENQIYETOURUYUNXING。YINSHIJIANHENDUAN,ERTOULIAOZHIQIANZHIYOUYANCHEN,JISHIYOUYIDUANSHIJIANCHAOBIAO,CHAOBIAOZHIHENSHAO(200mg/m3~300mg/m3),PAIFANGZONGLIANGKEYIHULVE。②SHENGCHANGUOCHENGZHONG,YOUYUCAOZUOBUDANGZAOCHENGCOCHAOBIAO,TINGZHIXIANGCHUCHENQIGONGDIANYINQIFENCHENNONGDUCHAOBIAOPAIFANG。CISHIYOUYUYAODUIYAOXITONGJINXINGDIAOZHENG,BUNENGTINGZHIYUNXING,YINCIZHINENGTINGZHIXIANGDIANCHUCHENQIGONGDIAN,ZHEIYINQIFENCHENNONGDUCHAOBIAOPAIFANG,CISHIFENCHENNONGDUCHAOBIAOPAIFANGLIANGJIUDALE。


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