黑龙江快乐十分

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烟气脱白工艺探索

文章来源:志恒环保   作者:志恒环保   发布时间:2018-11-26 11:05   浏览次数:

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  根据“有色烟羽”的成因,目前的烟气脱白工艺主要有2个方向:1、减少烟气中水分;2、提高烟气的排放温度;3、减小烟气流速,减少二次夹带;4、采用烟塔合一技术;5、引入热风混合排放。

黑龙江快乐十分  JIANSHAOYANQIZHONGSHUIFEN,MUQIANKEYITONGGUOYIXIAJIGECUOSHISHIXIAN:

黑龙江快乐十分  (1)TONGGUOYANQIHUANREQIJIANGDIYUANYANQIJINRUFGDXITONGDEWENDU;

  (2)TUOLIUHOUDEJINGYANQIZENGSHEGUANSHUCHUWUQI,TUOCHUDABUFENYEDI;

  (3)TUOLIUHOUDEJINGYANQIZENGSHESHISHIDIANCHUCHENQI,TUOCHUDABUFENXILIYEDI;

  (4)TUOLIUHOUJINGYANQITONGGUOHUANREQILENGNING,JIANGDIYANQIWENDU,LENGNINGHUISHOUYANQIZHONGDESHUIFEN;

  TIGAOYANQIDEZUIHOUPAIFANGWENDU,KEYITONGGUOGGH,SHIJINGYANQIPAIFANGWENDUDADAO80℃ZUOYOU,SHENGWENHOUDEYANQICHUYUBUBAOHEZHUANGTAI,TONGGUOYANCONGPAICHUHOU,JIUBUHUIXINGCHENG“BAIYAN”。

烟气脱白

  1.烟气换热器在烟气脱白中的应用

  ZAISHIFATUOLIUGONGYIZHONG,MUQIANCHANGYONGDEYANQIHUANREQIYOU4ZHONG:HUIZHUANSHIYANQIHUANREQI、REGUANSHIYANQIHUANREQI(GGH)、GUANSHIREMEISHUIQIANGZHIXUNHUANSHIHUANREQI(MGGH)、GUANSHIZHENGQIREJIAOHUANSHIHUANREQI。

  HUIZHUANSHIYANQIHUANREQIHEREGUANSHIYANQIHUANREQIANZHUANGZAIYINFENGJIHOUTUOLIUTARUKOUQIANDEWEIZHI,NENGSHITUOLIUTARUKOUYANQIJIANGZHI90-100℃,ZHEIYANGYANQIWENDUJIANGDIHOUYANQITIJIBIANXIAO,YUANTUOLIUTANEIDESHANGSHENGLIUSUZIRANBIANXIAO,YUTUOLIUYEJIECHUFANYINGSHIJIANYANZHANG,ZETUOLIUXIAOLVXIANGYINGTIGAO,TONGSHI,YOUYURUKOUYANQIWENDUDEJIANGDI,ZEZAIYANQIRUTASHIYUTUOLIUYEJIECHUSHICHANSHENGDESHUIZHENGQILIANGYEHUIDADAJIANGDI,ZEHUIJIANSHAOYANQIZHONGSHUIZHENGQIZHANYOUDETIJI,YANQIZONGTIJILIANGJIANSHAO,CIWAIYOUYURUKOUYANQIWENDUDEJIANGDI,ZAITUOLIUTANEIZONGDEYUNXINGWENDUDOUHUIJIANGDI,PAICHUYANQIZHONGSUOHANDEBAOHESHIDU(JUEDUISHIDU)HANSHUILIANGDADAJIANSHAO。CIWAI,JINGYANQITONGGUOGGHWENDUKEYITISHENGZHI80℃,CIPAIFANGWENDUXIA,JINGYANQISHUYUBUBAOHEZHUANGTAI,YINCIBUHUICHANSHENG“BAIYAN”。

黑龙江快乐十分  ZAIZUICHUYINJINGUONEISHI,YOUYUZAIYUNXINGGUOCHENGZHONGCUNZAIDUSAI、LOUYANHEFUSHIDENGWENTI,ZAIMUQIANDEDIANCHANGZHONGDUOYIQUXIAO,XINJIANDEFGDXITONGDUOSHUYEMEIYOUYULIUWEIZHI,YINCIGAIZAOQILAIYOUNANDU。MUQIANXIANGDUIERYAN,MGGHKEFULEYISHANGWENTI,ERQIEYOUYULENGQUEQIHEZAIREQIKEYIFENKAIBUZHI,GENGFANGBIANYANDAODEBUZHI。

  MGGHCAIYONGJIANJIEHUANRE,LIYONGSHUIZUOWEIMEIJIE,TONGGUOSHUIXUNHUANFANGSHICONGGAOWENYANQIXIRE,DAOWEIBUYANDAOFANGRE,TISHENGJINGYANQIDEWENDU,TIGAOYANQIPAIFANGDETAISHENGGAODU,JIANGDIWURANWUDELUODINONGDU,CONGERXIAOCHUBAIYANXIANXIANG。

黑龙江快乐十分  MGGHXITONGGONGZUOYUANLIMGGHXITONGZONGHEYINGYONGYANQIYURELIYONGJISHU:①TONGGUOREHUISHOUQIHUISHOUCHUKOUYANQIYURE,SHICHUCHENQIRUKOUWENDUYOU120、150℃JIANGDIZHI90、100℃YANWENDEJIANGDICUSHIFENCHENBIDIANZUXIANGYINGJIANGDI,JINERDAFUTIGAOCHUCHENXIAOLV,BINGYOUXIAOTUOCHUYANQIZHONGJUEDABUFENDES03,MANZUDIPAIFANGYAOQIU,JIESHENGSHIFATUOLIUGONGYIHAOSHUILIANG,JIANSHAOYANCONGSHUIQIDEPAIFANG。②REHUISHOUQIHUISHOUDERELIANGYOUREMEITIYUNSHUZHIYANQIZAIJIAREQI,JIANGTUOLIUCHUKOUYANQIWENDUYOUYUE50℃SHENGGAODAO80℃ZUOYOU,CONGERBIMIANYANCONGJIANGLUOYEDI,JIANQINGYANCONGFUSHI,TIGAOYANQIPAIFANGTAISHENGGAODU,XIAOCHU“YANYU”SHIJUEWURAN。

  2.管束除雾器在净烟气脱白中的应用

  ZAIRANMEIGUOLUMODUANTUOLIUGUOCHENGZHONG,KONGZHIXISHOUTAHOUYANCONGKELIWUPAIFANGHANLIANGDESHESHIZHUYAOWEIZHELIUBANCHUWUQI。ZHELIUBANCHUWUQIZAIQIGONGZUOLIUSUXIA,DUILIJING20μmYISHANGKELIDEQUCHUXIAOLVXIANZHU,DANSHIDUILIJING20μmYIXIAXIAOKELIDEQUCHUXIAOLVBUJIA;SUIZHEHUANBAOLIDUDEJIADA,ZAICHAODIPAIFANGZHENGCEXIA,RUHEDUIXIXIAOKELIJINXINGGAOXIAOLVDIQUCHU,TONGSHIBAOZHENGYUNXINGCHENGBENDEKECHIXUXING,SHIJIDAIJIEJUEDENANTI。

黑龙江快乐十分  GUANSHUSHICHUWUQISHIJINNIANLAIXINGQIBINGZHUJIANDEDAOYINGYONGDEXINXINGGAOXIAOCHUWUQI,JUYOUDUIXIXIAOKELIQUCHUXIAOLVGAO、ZULIXIAO、TOUZICHENGBENDI、WEIHUJIANDANDENGTEDIAN。ZAIXISHOUTARUKOUKELIWUHANLIANG≤30mg/Nm3DEQIANTIXIA,XISHOUTAYANCONGCHUKOUKELIWUHANLIANG≤5mg/Nm3,BINGKEZAIZHANGSHIJIANLIANXUWENDINGYUNXING。

  GUANSHUSHICHUCHENCHUWUQISHIZHUYAOYILAIYUXISHOUTASHANGBUDIWENBAOHEJINGYANQIZHONGHANYOUDALIANGXIXIAOWUDIDETEDIAN,LIYONGDALIANGXIXIAOWUDIGAOSUYUNDONGTIAOJIANXIAZENGJIAFENMEIHUIKELIYUWUDIPENGZHUANGDEJILV,WUDIYUFENMEIHUIKELININGJUCONGERSHIXIANDUICIBUFENJIWEIXIAOFENMEIHUICHENHEWUDIDEBUXITUOCHU。

黑龙江快乐十分  GUANSHUSHICHUCHENCHUWUQIDEGONGZUOYUANLIKEJIANDANBIAOSHUWEITONGGUOFENMEIHUIKELI、WUDIDENINGJU、BUXIHEYINMIEDE3ZHONGYUNDONGZHUANGTAI,ZAIYANQIGAOSUXUANLIU、JULIEHUNHE、XUANZHUANYUNDONGDEGUOCHENGZHONG,JIANGYANQIZHONGXIEDAIDEWUDIHEFENCHENKELITUOCHU。

烟气脱白

  3.湿式电除尘器在烟气脱白中的应用

  SHISHIJINGDIANCHUCHENQISHIGAOXIAOQIYEFENLISHIFASHEBEI,BUJIYANQIZHONGWEIMIHEYAWEIMIJIWEILI,QUEBAOYANQIZHONGSHUIWU、FENCHENDABIAOPAIFANG。GONGZUOYUANLI:TONGGUOJINGDIANKONGZHIZHUANGZHIHEZHILIUGAOYAFASHENGZHUANGZHI,JIANGJIAOLIUDIANBIANCHENGZHILIUDIANSONGZHICHUWUZHUANGZHIZHONG,ZAIDIANYUNXIAN(YINJI)HESUANWUBUJIJIBAN(YANGJI)ZHIJIANXINGCHENGQIANGDADEDIANCHANG,SHIKONGQIFENZIBEIDIANLI,SHUNJIANCHANSHENGDALIANGDEDIANZIHEZHENG、FULIZI,ZHEIXIEDIANZIHELIZIZAIDIANCHANGLIDEZUOYONGXIAZUODINGXIANGYUNDONG,GOUCHENGBUJIYANWUDEMEIJIE。

  TONGSHISHISUANWUWEILIHEDIAN,ZHEIXIEHEDIANDESUANWULIZIZAIDIANCHANGLIDEZUOYONGXIA,ZUODINGXIANGYUNDONG,DIDADAOBUJISUANWUDEYANGJIGUANSHANG。ZHIHOU,HEDIANLIZIZAIJIBANSHANGSHIFANGDIANZI,SHIQUDIANHEHOUDESUANWUKELIZAIZHONGLIZUOYONGXIASHUNCHENDIANJINEIBILIUXIANGDIANCHUWUQIDIBU,ZHEIYANGJIUDADAOLEJINGHUAWUDIDEMUDE。

黑龙江快乐十分  ZAIJINKOUYANQIFENCHENKELINONGDUBUGAOYU300mg/Nm3QINGKUANGXIA,DIANCHUWUQICHUKOUXIWEIFENCHENKELIBUGAOYU30mg/Nm3;TUOCHUXIAOLVBUDIYU90%。ZAIJINKOUYANQIWUDINONGDUBUGAOYU750mg/m3QINGKUANGXIA,DIANCHUWUQICHUKOUYANQIZHONGWUDIBUGAOYU70mg/m3。YANCONGCHUKOUSHIJUEWUMINGXIANBAIWU(DONGJIYINWENCHAYUANYINHUOQIYAJIAODIDEQINGKUANGXIA,KENENGHUIYOUBUFENBAIYAN)。TUOCHUXIAOLVBUDIYU90%

  4.净烟气冷凝器在烟气脱白中的应用

黑龙江快乐十分  XIANGDANGSHULIANGDESHIFATUOLIUXITONGCUNZAICHANGDIXIANZHI,GAIZAOKUNNANDEQINGKUANG,DUIYUYIXIENANYIZENGSHEGGHDEQINGKUANG,KEYIDANDUCAIYONGJINGYANQILENGNINGQIHUISHOULENGNINGYE+ZAIREQISHENGWENDEFANGAN。

  LENGNINGQIANZHUANGYUTUOLIUTACHUKOUYANDAOZHONG。YOUYUHUANREGUANZHONGTONGYOULENGQUESHUI,SHIDEYANQISHUIZHENGQILENGNINGXICHU,JIANGGUOXIEYANCHEN、SHIGAOKELININGJIEJUJI,YANCHUIZHIHUANREGUANBIAOMIANXIANGXIALIUDONG,QIDAOYEMOCHUCHENZUOYONG,JIANGDIYANQICHENNONGDU,YANQIHANSHUILIANG,XIAOCHU“SHIYANYU”“DABAIYAN”。HUANREHOUDERESHUIGONGCHANGQUHUIYONG。

黑龙江快乐十分  ZAIREQIANZHUANGYUTUOLIUCHUKOUYANQILENGNINGQIZHIHOU、YANCONGZHIQIANDEYANDAOZHONG。LIYONGYUANYANQIJIAREDEREMEISHUIDUITUOLIUHOUYANQISHENGWEN,JIANGWENHOUDEMEIJIESHUIZAIJINGGUOREXUNHUANBENGSONGZHITUOLIUQIANYANQILENGQUEQIZHONG。SHITUOLIUHOUYANQIZAIREQIDEMEIJIEYUTUOLIUYUANYANQILENGQUEQIDEMEIJIEXINGCHENGBISHIXUNHUAN。

  5.引入热风混合排放技术

黑龙江快乐十分  CHUANTONGDEYANQIZAIREJISHU(GGH)CUNZAITOUZI、YUNXINGFEIYONGGAO,YIFUSHI、DUSAI、LOUYANDENGWENTI,QIEBUSHIYONGYUGAIZAO。WEICIWEITISHENGJINGYANQIWENDU,KEYIHUNHESHIYANQIZAIREJISHU。JIANGLAIZIGUOLUKONGQIYUREQIDEYIDINGLIANGDEREFENGYINRUDAOTUOLIUJINGYANQIZHONG,REFENGYUJINGYANQIZHIJIEHUNHE,CONGERDADAOTISHENGYANQIDEHELIWENDUFANWEI。GAIJISHUTOUZIYUNXINGFEIYONGDI,WUDUSAIHEFUSHIWENTI,YEKEYIYOUXIAOXIAOCHUYOUSEYANYU,DANSHIDUIYUPAIFANGWURANWUHESHUIZHENGQIDEZONGLIANGMEIYOUBANGZHU,KEYIHEYISHANGQITAJISHUZUHESHIYONG。

  6.烟塔合一排放技术

  YANTAHEYIPAIFANGJISHUZAIDEGUOSHOUCISHIYONG,BINGZHUBUZAIGUONEIDEDAOYINGYONG。YANTAHEYISHILIYONGLENGQUETADEJUDANENGLIANGHEREKONGQILIANG,DUITUOLIUHOUDEJINGYANQIJINXINGTAISHENG,CONGERCUJINYANQIKUOSAN,GAISHANJINGYANQIZHONGWURANWUDEKUOSANQINGKUANG,CONGERBIMIANSHIGAOYUDECHANSHENG。

烟气脱白

  CIWAIDUIYUXINJIANXIANGMU,YAOZHUYIYANQILIUSUSHEJI,BUYAOCHAOGUOLINJIEZHI,YANDAOLIUSUBUYAOCHAOGUO15m/s,XISHOUTALIUSUYISHEJIZAI3.5m/sYIXIA,YANCONGYISHEJIWEI“ZHITONGXING+SHOUSUODUANXING”,ZHEIYANGKEYIYOUXIAOBIMIANLENGNINGYEDEERCIJIADAI。

  烟气脱白技术重点在于强化净烟气的除雾、冷凝回收及烟气再热,本文介绍的烟气换热器技术、管束除雾器、湿式电除尘器、烟气冷凝器、热风混合排放技术、烟塔合一技术等均存在各自的优缺点和适用范围,在实际工程中,可以根据情况组合使用,兼顾经济效益,这样在很大程度上,可以解决烟气脱白问题。

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