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湿电除尘技术   众鑫棋牌 > 湿电除尘技术

浅谈湿电两级除尘器在沿海火力发电厂输煤系统中的应用优势

[2019-4-24] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

ZUOZHE | XULIANG  GUANGDONGHONGHAIWANFADIANYOUXIANGONGSI

ZHAIYAO:MOUYANHAIHUOLIFADIANCHANGSHUMEIXITONGCAIYONGMZZ4-2XINGGAOYAGANSHIJINGDIANCHUCHENQI。YOUYUDICHUGAOYANFENDIQU,SHEBEIRONGYIFUSHI,TONGSHICHUCHENQISHIYONGNIANXIANJIAOZHANG,YIJIDALIANGSHIYONGYINNIMEI,SHEBEIFUSHIQINGKUANGSHIFENYANZHONG。JINGDIANCHUCHENQIDECHUCHENXIAOLV、CHUCHENXIAOGUOHEFANGHUOFANGBAOXINGNENGYIBUNENGMANZUDANGQIANYUNXINGGONGKUANG。GAIDIANCHANGTONGGUODUISHUMEIXITONGJINXINGZHUANYONGSHIDIANLIANGJICHUCHENQISHENGJIGAIZAO,JIEJUELECHUCHENQINEIBUMEIFENCHENZIRANHEBAOZHADEWENTI。

关键词:输煤系统; 静电除尘器; 湿电除尘器; 升级改造;

0 引言

JINNIANLAIGUONEIHUOLIFADIANCHANGDALIANGSHIYONGHUIFAFENHENGAO,FENCHENHANLIANGDADEHEMEIHEJINKOUYINNI、YUENANDENGGUODEMEITAN,DAOZHISHUMEIXITONGZHUANYONGGANSHIJINGDIANCHUCHENQINEIBUSHICHANGFASHENGZIRANHEBAOZHA,YANZHONGYINGXIANGSHUMEIXITONGZHUANYONGGANSHIJINGDIANCHUCHENQIDEANQUANSHIYONG。TONGSHIGUOJIAHUANBAOYAOQIUBUDUANTIGAO,CHUCHENQIDECHUKOUPAIFANGBIAOZHUNYICONG150mg/m3TIGAODAO50mg/m3,SHENZHIDAO5mg/m3,ERQIEHAIJIANGJINYIBUTIGAO,SHUMEIXITONGZHUANYONGGANDIANCHUCHENQIYIHENNANMANZUGUOJIAXINDEPAIFANGBIAOZHUNDEYAOQIU。CIWAI,SUIZHEYANHAIHUOLIFADIANCHANGDALIANGSHIYONGYINNIMEI,SHEBEIFUSHIQINGKUANGYOUWEIYANZHONG,GEDAYANHAIDIANCHANGSHUMEIXITONGGANSHIJINGDIANCHUCHENQIDECHUCHENXIAOLV、CHUCHENXIAOGUOHEFANGHUOFANGBAOYAOQIUYIBUNENGMANZUDANGQIANYUNXINGGONGKUANG,GANSHIJINGDIANCHUCHENQISHENGJIGAIZAOSHIZAIBIXING。

1 输煤系统除尘器运行现状

MOUYANHAIHUOLIFADIANCHANGSHUMEIXITONGDEGANSHIJINGDIANCHUCHENQISHIYONGDESHIFUJIANWEIDONGHUANBAOKEJIGUFENYOUXIANGONGSISHENGCHANDEMZZ4-2XINGGAOYAGANSHIJINGDIANCHUCHENQI,2007NIANTOUYONG,CAIYONGDESHISIDIANCHANGLISHIJIEGOU,DIANCHANGCAIYONGLXINGSPCCBANHEGUANZHUANGZHENCIXIAN,TONGJIJIANJU110mm,FENGLIANG24000m3,CHUKOUHANCHENLIANG90mg/m3。SUIZHEGAICHANGDALIANGSHIYONGYINNIMEI(MEINIANZHAN60%),SHEBEIFUSHIQINGKUANGYOUWEIYANZHONG,LIANGTAICHUCHENQIDECHUCHENXIAOLV、CHUCHENXIAOGUOHEFANGHUOFANGBAOYAOQIUYIBUNENGMANZUDANGQIANYUNXINGGONGKUANG。MUQIANGANSHIJINGDIANCHUCHENQIZHUYAOCUNZAIQIAOTI、FENGGUANDUOCHUFUSHICHUANKONG(FENGGUANFUSHIJIANTU1),DIANCHANGFUSHIBIANXING、TUOLUODENGWENTI。

TU1 CHUCHENQIFENGGUANXIUSHIQINGKUANG

SHUMEIXITONGCHUCHENQICAIYONGDEGANSHIJINGDIANCHUCHENQICONG2007NIANTOUYUNZHIJINYISHIYONG11NIAN,SHEBEIBUJIANFUSHI、LAOHUAYANZHONG,CHUCHENXIAOLVYANZHONGJIANG,NEIBUJIFENXUYAODINGQIQINGLI,PAIFANGZHIBIAOWEI90mg/m3YICHAOGUO《GB 13223-2011HUODIANCHANGDAQIWURANWUPAIFANGBIAOZHUN》YAOQIU,GENJU《2018NIANDUGUANGDONGSHENGJINYIBUSHENHUAFENCHENFANGBAOZHUANXIANGZHENGZHIGONGZUOFANGAN》HE《GONGMAOXINGYEZHONGDASHENGCHANANQUANSHIGUYINHUANPANDINGBIAOZHUN(2017BAN)》XIANGGUANYAOQIU,JIXUDUICHUCHENQIJINXINGGAIZAOSHENGJI。

2 除尘器类型的对比和选型

MUQIAN,SHUMEIXITONGXIANCHANGCHUCHENSHIYONGJIAODUODECHUCHENQIZHUYAOYOU:GANSHIJINGDIAN、SHUIYU、BUDAIHESHIFADIANCHUCHENDENGLEIXING,SUIZHEJINLIANGNIANANQUANBIAOZHUNDETIGAO,SHIFADIANCHUCHENZAIXINJIANDIANCHANGSHUMEIXITONGHESHUMEIXITONGCHUCHENQIGAIZAOZHONGSHIYONGPINLVYUELAIYUEGAO,ZHEISILEICHUCHENQIGEZIDEYOUQUEDIANYOU:

(1) SHUIYUSHICHUCHENQISHEBEICHUQITOURUDI,YUNXINGFEIYONGJIAODI。DUIYUGAOHUIFAFENMEIFENDEZIRAN、BAOZHAZHILISHIZUIYOUXIAODE,DANCHUCHENXIAOLVJIAODI,CHUKOUPAIFANGHENNANDABIAO,FEISHUICHANSHENGYUPAIFANGYALIDA;

(2) GANSHIJINGDIANCHUCHENQISHEBEICHUQITOURUJIAOGAO,YUNXINGFEIYONGGAO。CHUCHENXIAOLVJIAOGAO,DANWUFASHIYONGZAIGAOHUIFAFENMEIFENGONGKUANGXIA,WUFAJIEJUEMEICHENDEZIRAN、BAOZHA;

(3) BUDAICHUCHENQICHUQITOURUJIAODI,YUNXINGFEIYONGJIAOGAO。CHUCHENXIAOLVJIAOGAO,NENGZUODAOCHUKOUPAIFANGWENDING,DANWUFAJIEJUEGAOHUIFAFENMEICHENDEZIRANWENTI,DINGQIQINGLIBUDAIWEIHUGONGCHENGLIANGDA;

(4) 湿法电除尘器(水浴与干式静电除尘器的结合体)初期投入较高,运行费用较低。除尘器除尘效率较高,能做到出口排放稳定且值明显优于国家标准,且对于高挥发份煤粉的自燃、爆炸治理是最有效的。

GENJUSHUMEIXITONGMUQIANCHANGYONGDESIZHONGCHUCHENQIYOUQUEDIANDUIBIFENXI,BINGJIEHEWOCHANGMEIZHONGHEMEIZHIDESHIJITEDIAN,SHIHEWOCHANGGANSHIJINGDIANCHUCHENQISHENGJIDECHUCHENQIFANGANYOU:a.GAIZAOWEISHUIYUCHUCHENQI(JIANTU2a),b.GAIZAOWEISHIDIANLIANGJICHUCHENQI(JIANTU2b)。

干式静电除尘器升级除尘器方案

TU2

JINYIBUFENXI,GAICHANGSHUMEIXITONGYUANSHIFENGLIANGJIAODA,SHEJIFENGLIANGWEI24000m3。GUONEIBIJIAOCHENGSHUDESHUIYUCHUCHENQICHULIFENGLIANGZAI6000~15000m3ZHIJIAN,CHULIXIAOLVWEI80%~90%,YUGAIWEIZHIGAIZAODEXUQIUYOUYIDINGDECHAJU。SHIDIANLIANGJICHUCHENQICHULIFENGLIANGYIBANZAI12000~24000ZHIJIAN,CHUCHENXIAOLVNENGDADAO99%YISHANG。

JINGJIFANGMIANBIJIAO,ANCHAICHUYUANCHUCHENQI、ZHONGXINBUZHIGUANDAO,SHUIYUCHUCHENQIBISHIFADIANCHUCHENQIGAIZAOFEIYONGDI40~50WANYUAN。DANSHUIYUCHUCHENQICHUCHENXIAOGUOYIBANBUSHIHEDAFENCHENLIANGDEDIFANGCHUCHEN,PAIFANGZHIBIAOMIANQIANGNENGDAODA30mg/m3,MEIYUEXUYAODINGQIWEIHU,HOUQIWEIHUGONGZUOLIANGJIAODA,FEISHUICHANSHENGLIANGJIAODA。ERSHIFADIANCHUCHENQIDECHUCHENPAIFANGZHIBIAONENGDADAO10mg/m3ZUOYOU,TONGSHIGUZHANGXIAOLVDI,WEIHULIANGXIAO(BIJINGDIANCHUCHENQIJIANSHAO80%,WEIBUDAICHUCHENQIWEIHULIANGDE10%),FEISHUICHANSHENGLIANGYEDIYUSHUIYUCHUCHENQI。

GENJUYISHANGFENXIDUIBIJIEGUO,JIEHEDIANCHANGZISHENYUNXINGQINGKUANG,XUANZECAIYONGSHIDIANLIANGJICHUCHENQI。

3 湿电两级除尘器升级改造方案

SHIDIANLIANGJICHUCHENQIZHUYAOYOUYIXIAJIBUFENZUCHENG:QIANZHIYUCHULIZHUANGZHI;ZHENGFUJIDIANCHANGXITONG;PENWUXITONG;SHUIWEIKONGZHIXITONG;JISHUIXITONG;PAIWUZHUANGZHI;ZHENGJIKONGZHIXITONGZUCHENG。

ANZHUANGSHIDIANLIANGJICHUCHENQIXUYAOBAYUANFENGGUANQUANBUCHAICHU,ZHONGXINSHEJIHEBUZHIXINDEFENGGUAN,GENJUXIANYOUSHISHIMEIZHONG,ZHONGXINSHEJIXINDESUIMEIJISHICHUCHENXITONG。FENGGUANZHONGXINSHEJIBUZHI,BENTI、GUANDAO、DIANCHANGSHENGJIWEI304BUXIUGANGCAIZHI,LOUTIJIZHIJIACAIYONGDUXINCAILIAO。

XIANYOUCHUCHENQICHUZHENGTIJIEGOUXINGSHIGENGHUANYIWAI,QITAZHUYAOGAIZAOSHENGJINEIRONGYOU:

(1) CHUCHENQIDEBENTI、GUANDAO、DIANCHANGYOUPUTONGTANGANGSHENGJIWEI304BUXIUGANG。

(2) FENGGUANJINKOUZENGJIARUKOUDIANDONGMEN,FANGZHICHUCHENQITINGYUNQIJIANFENCHENJINRU。

(3) CHUCHENQIBENTICAIYONGMOKUAIYUZHI,XIANCHANGBUJINXINGBENTIHANJIE。

(4) ZENGJIACHUCHENQIANHOUFENGYAZIDONGCELIANG,BAOZHENGQIANHOUYACHAZHENGCHANG。

(5) CAIYONGCHENGXUDIANDONGPAISHUIQIEYUFENGYACHAZHILIANDONG,JIANSHAOLEFEISHUICHANSHENG,MEIXIAOSHICHANSHENGFEISHUI0.2~0.5t。

(6) SHEZHIFENGGUANCHONGXIGUANDAO,TINGJIJIKECHONGXI。

(7) FENGGUANGEWEIZHIYULIULECELIANGKOU,FANGBIANHUANBAOBUMENCELIANGSHUJU。

(8) JIUDIKONGZHIXIANGCAIYONGERCIMIFENGSHEJI、DIANLANQUANMIFENG,FANGZHIFENCHENJINRU。

(9) CAIYONGDIANDONGSAISHIFANGDUPAIWUFA,FANGZHIPAIWUKOUYIDUSAI。

(10) ZENGJIALIANGJIYEWEIJIJIEJUELECELIANGSHIDEMANGQU,BAOZHENGLEYEWEIDEZHUNQUEKEKAO,FANGZHIWUBAOHEJUBAO。

4 结语

SHIDIANLIANGJICHUCHENQICHUKOUFENCHENNONGDUNENGJIANGDAO10mg/m3ZUOYOU,TONGSHICHEDIJIEJUELEMEIFENZAICHUCHENQINEIBUZIRANHEBAOZHAYINHUAN,XIANCHANGCHUCHENXIAOGUOTISHENG,ZHANQIAONEIFENCHENNENGDEDAOYOUXIAOKONGZHI,DIANQIHEREKONGSHEBEIDESHOUMINGKETIGAOYIBEIYISHANG。GAIZAOHOUDECHUCHENQIGUZHANGLVDI,MEINIANWEIHUGONGZUOLIANGBIXIANYOUJINGDIANCHUCHENQIJIANSHAOCHAOGUO80%,MEINIANKEJIESHENGWEIHUCHENGBEN10WANYUAN。SHIFADIANCHUCHENQIDEFEISHUICHANSHENGLIANGJINWEI0.2~0.5t/hSHUI,YUANDIYUCAIYONGXUNHUANXIANGDESHUIYUCHUCHENQIDE2t/h。SUOYI,GENJUGUONEIYANHAIDIANCHANGYINNIMEICHANSHAOBILIJIAOGAODETEDIAN,CONGSHEBEIANQUAN、HUANBAO、KEKAO、GAOXIAOYUNXINGSHANGKAOLV,SHISHIJINGDIANCHUCHENQIKEZAIYANHAIHUOLIFADIANCHANGGUANGFANYINGYONG。

BENWENFABIAOYU《QINGXISHIJIE》 2019NIAN2YUE 

ZUOZHEJIANJIE: XULIANG,NAN,RENENGDONGLIGONGCHENGZHULIGONGCHENGSHI,BENKEXUELI,YANJIUJIGONGZUOFANGXIANG :SHUMEIJIANXIU。

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