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湿电除尘技术   众鑫棋牌 > 湿电除尘技术

电除雾技术:湿式电除尘器在转炉湿法除尘系统改造中的应用

[2018-12-19] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

ZHENDUIMUQIANGUONEIDADUOSHUZHUANLURENGCAIYONGSHIFACHUCHENXITONGFAHUISHOUZHUANLUMEIQIDEXIANZHUANG,FENXILEQICHUCHENJILI,TICHULEZAIXIANYOUDESHIFACHUCHENXITONGZHONGQIANRUSHISHIDIANCHUCHENQIDEGAIZAOFANGAN,JIEJUELEYUANYOUSHIFACHUCHENXITONGJINYIBUTIGAOCHUCHENXIAOLVYUNENGHAOZHIJIANDEMAODUN,SHIXIANZHUANLUYICIYANQIDECHAOJIEJINGPAIFANG。

一、引言

GANGTIEQIYEZIBENSHIJICHUQISHINIANDEFAZHANHOU,YIXINGCHENGLENIANCHANYUE10YIDUNGANGDEPANGDAGUIMO,GENJUCHUBUDETONGJI,QUANGUOZHONGDIANDAZHONGXINGGANGTIEQIYEDEZHUANLU765ZUO(14NIANTONGJI),ERQIZHONGYUE2/3SHULIANGDEZHUANLUYICICHUCHENCAIYONGDESHISHIFA(OGFA)JINXINGCHUCHEN,QIZHONGJUEDABUFENBUNENGDADAOXINDEPAIFANGYAOQIU,MIANLINGAIZAO。

GANFA(LTXITONG)JINGHUAHUISHOUXITONGSHUYUXINYIDAIDECHUCHENJISHU,YINQIJIESHUI、JIEDIAN、SHENGDI、HUISHOUMEIQILIANGDA、CHUCHENXIAOLVGAODENGYOUDIANBEIGANGTIEQIYESUOJIESHOU;ZI08NIANZHIJIN,GANGCHANGXINJIANXIANGMUJIBENSHANGCAIYONGDEDOUSHIGANFACHUCHENGONGYI;JINGUANSHIFACHUCHENXITONGGAIGANFA,JUYOUJIAODADEJISHUYOUSHI,DANSHISHIGUOCHENGZHONGYIJIANCHANGFANGCUNZAICHANGFANGNEIBUGAIZAOKONGJIANSHOUXIAN、CHANGFANGWAIZHANDIBUZUDEWENTI,SHIDESHIFAXITONGGAIGANFACUNZAIKUNNAN。WEIJIEJUESHANGSHUNANTI,JIYUZHUANLUYICIYANQIJINGHUAYONGDESHISHIDIANCHUCHENQIYUNYUERSHENG。ZHUANLUYICIYANQIYONGSHISHIDIANCHUCHENQINENGJICHENGDAOXIANYOUDESHIFACHUCHENXITONGZHONG,NENGZUIDAXIANDUDELIYONGXIANYOUDEXITONG,YOUHUAXITONGPEIZHI,TIGAOCHUCHENXIAOLV,SHIXIANZHUANLUYANQIDECHAOJIEJINGPAIFANG。

二、转炉一次烟气用湿式电除尘器的工艺配置

CHANGJIANDEZHUANLUOGXITONGSHIFACHUCHEN,DUOCAIYONGCUCHUCHEN(YILIUWENSHIGUAN、XIDITA)、JINGCHUCHEN(KEDIAOHOUKOUWENSHIGUAN、RSWHUANFENG)JITUOSHUIQICHUANLIANDEFANGSHIYUNXING。ZHUANLUCHUILIANGUOCHENGZHONGCHANSHENGDEGAOWENHANCHENYANQI,JINGQIHUALENGQUEYANDAOCHUBULENGQUE,JINRENSHIFACHUCHENXITONGJINXINGJIANGWENCHUCHEN,JIANGWENHOUDEBAOHEYANQIJINRUMEIQIFENGJI,JINGSANTONGFA,MANZUMEIQIHUISHOUTIAOJIANDEBEIHUISHOULIYONG,BUMANZUHUISHOUTIAOJIANDEBEIFANGSANPAIRENDAQIZHONG,QIJUTILIUCHENGTU,JIANTU1。

转炉一次烟气用湿式电除尘器的工艺配置

三、转炉湿法除尘系统的除尘机理及能耗分析

RUSHANGWENSUOJIANG,ZHUANLUSHIFACHUCHENLAOOGXITONGZHUYAOCAIYONGSHUANGWENSHIGUANCHUCHEN,JIYILIUWENSHIGUANHEDIAOJINGWENSHIGUAN。HOUKOUZHIJINGYIDINGDEYILIUWENSHIGUANZHUYAOQIJIANGWENHECUCHUCHENZUOYONG。JINGQIHUALENGQUEYANDAO,YANQILENGQUEZHI800-1000℃,TONGGUOYILIUWENSHIGUANSHINENGXUNSULENGQUEDAO70-80℃,BINGSHIYANCHENNINGJU,TONGGUOKUOZHANGDUANHETUOSHUIQIJIANGYANQIZHONGCULIYANCHENCHUQU,CHUCHENXIAOLVWEI90%-95%。DANGHOUKOUSUDUWEI40-60m/s,CHUKOUYANQISUDUWEI15-20m/sSHI,YIWENZULISUNSHIZAI3-5kPa。DIAOJINGWENSHIGUANZAIHOUKOUBUWEIZHUANGYOUDIAOJIEJIGOU,ZHUYAOYONGYUJINGCHUCHEN。CHUILIANGUOCHENGZHONGYANQILIANGBIANHUAHENDA,WEILEBAOCHIHOUKOUYANQISUDUBUBIANYIWENDINGCHUCHENXIAOLV,YAONENGSUIYANQILIANGBIANHUAXIANGYINGZENGDAHUOSUOXIAOHOUKOUDUANMIANMIANJI,BAOCHIHOUKOUCHUYANQISUDUYIDING;HAIKEYITONGGUODIAOJIEFENGJIDECHOUQILIANGKONGZHILUKOUWEIYACHA,QUEBAOHUISHOUMEIQIZHILIANG。DIAOJINGWENSHIGUANSHOUSUODUANDEJINKOUYANQISUDUWEI15~20/s;ERWENZUSUNYIBANWEI10~12kPa。SHUANGWENCHUCHENJIEGOU,YINJISHUSHANGDEXIANZHI,CUNZAIZULIDA,PAIFANGNONGDUGAODEWENTI。XIANGDUIERYAN,GAOXIAOXIDITAYUHUANFENGWENSHIGUANDAPEIDETAWENJIEGOU,XITONGZULIDI;HUANFENGWENSHIGUANDIAOJIEFANWEIDA,BUSHUIJUNYUN,JINGHUAXIAOGUOHAO,KEJIANGPAIFANGNONGDUJIANGDAO50mg/m3;RANERDANGXUYAOJINYIBUTIGAOTAWENJIEGOUDECHUCHENXIAOLVSHI,WULUNSHISHUANGWENJIEGOUHAISHITAWENJIEGOU,SHIXIANQILAIDOUFEICHANGKUNNAN。GENJUYIYOUDEZHUANLUFENCHENLIJINGDEFENXI,YUE30%DEFENCHENLIJINGDOUZAI5umYIXIA,RUGUOLIYONGDANJIWENSHIGUANQUCHUZHEIXIEFENCHEN,XUYAOJIGAODENENGHAO。TU2JICHULE5umYIXIADEFENCHENLIJINGCHUCHENXIAOLVYUWENSHIGUANYALISUNSHIDEGUANXI,KEYIKANCHU,DANGCHUCHENXIAOLVDAYU99%SHI,DANJIHUANFENGWENSHIGUANDUIYINGDEZULIJIEJIN15kPa,HAONENGXIANGDANGDA。

转炉湿法除尘系统的除尘机理及能耗分析

四、转炉一次烟气湿法除尘系统改造中的湿式电除尘器方案

JINNIANLAI,GANGTIEGONGYEJIENENGJIANPAIZHIBIAODAFUGAISHAN,DANYOUYUZONGTIGUIMODA,DAOZHINENGHAOZONGLIANGGAO、WURANWUPAIFANGZONGLIANGDA,TEBIESHIYIXIEGANGTIECHANNENGZHUYAOJUJIQU,WURANPAIFANGYIJINGCHAOCHULEHUANJINGCHENGZAINENGLI。KEYIYUJIANDESHI,ZAIZHEIXIEDIQU,XUYAOTUIJINXIANJINQINGJIESHENGCHANJISHUGAIZAO,JINYIBUTISHENGJIENENGJIANPAISHUIPING。

RUQIANWENSUOSHU,LIYONGWENSHIGUANJINGCHUCHENSHIXIANYANQIDECHAOJIEJINGPAIFANG,NENGHAOGAO,RUGUOXIANGJINYIBUTIGAOCHUCHENXIAOLV,DANJIWENSHIGUANDEYASUNXUYAOZENGJIADAO20kPaSHENZHIGENGGAO,NENGHAOGUODA。YINCIZAILUYICIYANQISHIFACHUCHENXITONGGAIZAOZHONG,KEYICAIYONGZAIYUANYOUSHIFAXITONGSHANGCHUANLIANYIJISHISHIDIANCHUCHENQI,LIYONGJINGDIANXIFUDEYUANLISHIXIANDUIXIAOLIJINGFENCHENDEQUCHU,QIGONGYILIUCHENGTUJIANTU3。

转炉一次烟气湿法除尘系统改造中的湿式电除尘器方案

YUCHANGGUIGAOYAJINGDIANCHUCHENQIYIYANG,ZHUANLUYICIYANQIGAIZAOYONGDESHISHIDIANCHUCHENQIHAONENGSHAO,CHUCHENXIAOLVGAO,SHIYONGYUQUCHU0.01~50umDEFENCHEN;YOUYUCAIYONGLECHONGXIQINGHUI,KEBIMIANCHUXIANGANFAJINGDIANCHUCHENQINGHUIZHONGDEERCIYANGCHENXIANXIANG,JIDADETIGAOLECHUCHENXIAOLVJICHUCHENDEWENDINGXING。JIANGSHISHIDIANCHUCHENQIQIANRUDAOYIYOUDESHIFAXITONGZHONG,ZAIBUGAIBIANYUANYOUXITONGDEJICHUSHANG,KEYISHIXIANZHUANLUYICIYANQIDECHAOJIEJINGPAIFANG(10mg/m3),ERSHEBEIBENSHENZHANDISHAO,TOUZIFEIYONGDI,SHEBEIZUHELINGHUOBIANLI,SHIZHUANLUSHIFACHUCHENXITONGGAIZAODEXUANZEFANGXIANGZHIYI。ZAIYUNXINGFEIYONGSHANG,GENJUPEIZHIDEBUTONG,FEIYONGZAI0.5~1YUAN/DUNGANG。

5、结语

随着国家对钢铁企业排放要求进一步提高,湿式电除尘器在烟气化中的作用将愈加明显,除了可以将湿式电除尘器嵌入现有的湿法除尘系统中外,转炉一次烟气改造还可以采用新OG+湿电和LT系统+湿电的模式,从而实现转炉一次烟气的超洁净排放。

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