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催化剂装卸

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SCR脱硝催化剂的再生与回收

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SCR脱硝催化剂的再生与回收

发布日期:2020-01-10 作者: 点击:

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DANYANGHUAWU(NOx)SHIDAQIWURANWUDEZHUYAOCHENGFENZHIYI,SO2JIYANCHENDETUOCHUJISHUYIJINGFEICHANGCHENGSHU,BINGQIEZAIQUANSHIJIEDOUYOULEDAMIANJIDEYINGYONG,SO2HEYANCHENZHEILIANGDAWURANWUYIJINGDEDAOLEHENHAODEKONGZHI。YOUYURENMENDUIYUNOxDEGUANZHUJIAOWAN,ERXIANJIEDUANNOxDEDALIANGPAIFANGDAOZHIDEHUANJINGWURANYIJINGZAIDAQIWURANWUZHONGZHANDAOLEHENDABIZHONG。ZAIWOGUO70%DEDANYANGHUAWUPAIFANGLAIZIYUMEITANDEZHIJIERANSHAO,ERDIANCHANGYOUSHIYONGMEIDAHU,RUHEYOUXIAOKONGZHINOxDEPAIFANGCHENGWEILEWOGUONAIZHIQUANQIUGUANZHUDELINGYIGEJIAODIAN。MUQIANZHILINOxJISHULINGYUZHONG,XUANZEXINGCUIHUAHAIYUANFA(Selective Catalytic Reduction,SCR)YIQIJIAOGAODEYUNXINGKEKAOXING、WUFUCHANWU、XITONGZHUANGZHIJIANDANDENGYOUDIAN,DEDAOLEDAMIANJIDEYINGYONG。


数学老师怎么赚钱ZAISCRTUOXIAOFANGANZHONG,CUIHUAJITOUZIZHANZHENGGEXITONGTOUZIDEJIAODABILI,CUIHUAJIDESHOUMINGYIBANZAI3NIANZUOYOU,YINCI,CUIHUAJIGENGHUANPINLVDEGAODIZHIJIEYINGXIANGZHENGGETUOXIAOXITONGDEYUNXINGCHENGBEN。JINGGUODUONIANDEGONGYESHIJIANHEYANZHENG,MUQIANYINGYONGZUIWEIGUANGFANDESHIYIRUITAIKUANGXINGERYANGHUATAIWEIZAITIFUZAIFANYANGHUAWUZUOWEIHUOXINGWUZHI,FUYIYANGHUAWUHUOYANGHUAMUWEIZHUCUIHUAJIDEJINSHUYANGHUAWUCUIHUAJI。MUQIANYONGYURANMEIDIANCHANGYANQITUOXIAODETAIJICUIHUAJIDEGONGZUOWENDUFANWEIWEI310℃~420℃,XIANGDANGYUGUOLUSHENGMEIQICHUKOUDEYANQIWENDU,YINCISCRTUOXIAOFANYINGQIZHIJIEANZHUANGZAIGUOLUSHENGMEIQIYUKONGQIYUREQIZHIJIAN,JISUOWEIDEGAOCHENBUZHIFANGSHI[1]。JINGUANZHEIZHONGBUZHIFANGSHIXIACUIHUAJIHUOXINGZUIDA,YOULIYUFANYINGDEJINXING,DANGAIBUZHIQUJIANYANQIZHONGGAONONGDUDEFENCHENHUICHONGSHUACUIHUAJIBINGSHIQIZHONGDU[2]。CUIHUAJIZAISHIYONGGUOCHENGZHONGSUIZHESHIJIANDEYANXU,QIHUOXINGHUIZHUJIANXIAJIANG,CONGKAISHISHIYONGDAOBUNENGSHIYONGDEZHEIDUANSHIJIANTONGCHANGCHENGWEICUIHUAJIDE“SHOUMING”。CUIHUAJIHUOXINGHEXUANZEXINGXIAJIANGDEGUOCHENG,YECHANGCHENGWEICUIHUAJI“LAOHUA”。DAOZHICUIHUAJISHIHUODEYUANYINHENDUO,YANJIUCUIHUAJISHIHUODUICUIHUALILUNHESHIJIANJUNYOUZHONGYAOYIYI。DANGCUIHUAJIDEHUOXINGXIAJIANGZHISHIQIXINGNENGLIEHUADAOYIDINGCHENGDUSHI,JIUYAOGENGHUANCUIHUAJI,ZAIYUNXINGFEIYONGZHONGCHULEANDEXIAOHAO,CUIHUAJIDEGENGHUANGENGSHIZHANJULEDABUFENFEIYONG。DUIYUKENIXINGZHONGDUDECUIHUAJIHEHUOXINGJIANGDIDECUIHUAJIKEYITONGGUOZAISHENGZHONGXINLIYONG,ZAISHENGFEIYONGZHIYOUQUANBUGENGHUANFEIYONGDE20%~30%,ERHUOXINGKEHUIFUDAOYUANLAI90%~100%。CIWAI,BUKEZAISHENGDEFEIQISCRTUOXIAOCUIHUAJIZHONGHANYOUFANDENGYOUJIAJINSHU,ZHIJIEDIUQIHUIZAOCHENGHUANJINGWURAN,QIZHONGFANSHIXIYOUJINSHU,ZAIZIRANJIEZHONGFENSANERBUJIZHONG,FUJIFANKUANGBUDUO,TIQUHEFENLIBIJIAOKUNNAN。JINJINIANSUIZHEKEJIDEFAZHAN,DUIFANXUQIULIANGMEINIANYUEZENGZHANG5%,ZHISHIFANJIABUDUANSHANGYANG。YINCI,CONGFEIQISCRTUOXIAOCUIHUAJIZHONGHUISHOUV2O5JINENGBIMIANDUIHUANJINGDEWURAN,YOUNENGJIEYUEBAOGUIDEZIYUAN[3]。


2、CUIHUAJICHENGFEN


JIUMUQIANSCRTUOXIAOCUIHUAJIERYAN,BULUNCUIHUAJISHIFENGWOSHI、BANSHIHAISHIQITAXINGSHI,QICHENGFENDOUSHIXIANGSIDE,YOUTiO2、V2O5、WO3DENGWUZHIZUCHENG。QIZHONGWO3HUOMoO3ZHAN5%~10%,V2O5ZHAN1%~5%,TiO2ZHANJUEDABUFEN。CUIHUAJIHUOXINGYIV2O5ZUIGAO,DANV2O5YESHILIUSUANSHENGCHANZHONGJIANGSO2YANGHUACHENGSO3DECUIHUAJI,QIECUIHUAHUOXINGHENGAO。GUSCRGONGYIZHONGJIANGV2O5DEFUZAILIANGJIANSHAODAO1.5%(ZHILIANGBAIFENBI)YIXIA,BINGJIARUWO3HUOMoO3ZUOWEIZHUCUIHUAJI,ZAIBAOCHICUIHUAHAIYUANNOxHUOXINGDEJICHUSHANGJINKENENGJIANSHAODUISO2DECUIHUAYANGHUA。ZHUCUIHUAJIDEJIARUTIGAOSHUIREWENDINGXING,DIKANGYANQIZHONGAsDENGYOUDUWUZHI[4]。


3、CUIHUAJIDESHIHUO


数学老师怎么赚钱ZAILIXIANGZHUANGTAIXIA,CUIHUAJIJIANGZAIWUXIANZHANGDESHIJIANNEIJIANGDIDANYANGHUAWUDEPAIFANG。DANSHIZAISHIJIDESCRZHUANGZHIYUNXINGGUOCHENGZHONG,ZONGHUIYOUYUYANQIZHONGDEJIANJINSHU、SHEN、CUIHUAJIDESHAOJIE、CUIHUAJIKONGDEDUSAI、CUIHUAJIDEFUSHIYIJISHUIZHENGQIDENINGJIEHELIUSUANYAN、LIUANYANDECHENJIDENGYUANYINSHICUIHUAJIHUOXINGJIANGDIHUOZHONGDU,SHOUMINGSUODUAN。CUIHUAJISHIHUOSHIYIGEFUZADEWULIHEHUAXUEGUOCHENG,TONGCHANGJIANGSHIHUOGUOCHENGFENWEISANZHONGLEIXING:①CUIHUAJIZHONGDUSHIHUO;②CUIHUAJIDERESHIHUOHESHAOJIE;③CUIHUAJIJITANDENGDUSAISHIHUO。


数学老师怎么赚钱3.1 JIANJINSHUYINQIDECUIHUAJIZHONGDUSHIHUO


数学老师怎么赚钱FEIHUIZHONGDEKERONGXINGJIANJINSHUZHUYAOBAOKUONaYUKZHEILIANGZHONGWUZHI,ZAISHUIRONGYELIZIZHUANGTAIXIA,TAMENNENGGOUSHENTOUDAOCUIHUAJISHENCENGZHIJIEYUCUIHUAJIHUOXINGKELIFANYING,SHISUANWEIZHONGDUYIJIANGDIQIDUINH3DEXIFULIANGHEXIFUHUOXING,JIERJIANGDICUIHUAJIHUOXING[5]。JIANJINSHUYUANSUBEIRENWEISHIDUICUIHUAJIDUXINGZUIDADEYILEIYUANSU,YINCIJIANJINSHUZHONGDUBENZHISHIDUICUIHUAJIDUXINGZUIDADEYILEIYUANSU。SUIZHECUIHUAJIBIAOMIANK2OHANLIANGDEZENGJIA,NOZHUANHUALVJIJUXIAJIANG,DANGK2OZHILIANGFENSHUDADAO1%SHI,CUIHUAJIHUOXINGJIHUWANQUANSANGSHI。K2OCUNZAISHIDESCRCUIHUAJIHUOXINGWEIZHIYIDEBronstedSUANXINGHUOXINGWEIDESHULIANGDADAJIANSHAO,TONGSHIYEXUERUOLEBronstedSUANXINGWEIDESUANXING,DANSHISUIZHESCRCUIHUAJIBIAOMIANK2OHANLIANGDEZENGJIA,LINGYIZHONGHUOXINGWEILewisSUANXINGWEIDESHULIANGJIHUBUFASHENGBIANHUA,ZHEISHUOMINGSCRCUIHUAJIJIAZHONGDUHOU,HUOXINGDEXIAJIANGSHIYOUBronstedSUANXINGWEIDEBIANHUAYINFADE[6]。



3.2 CUIHUAJIDESHAOJIEHERESHIHUO


数学老师怎么赚钱CUIHUAJIZAIGAOWENXIAFANYINGYIDINGSHIJIANHOU,HUOXINGZUFENDEJINGLIZHANGDA,BIBIAOMIANJISUOXIAO,ZHEIZHONGXIANXIANGCHENGWEICUIHUAJISHAOJIE。YINSHAOJIEYINQIDESHIHUOSHIGONGYECUIHUAJI、TEBIESHIFUZAIXINGJINSHUCUIHUAJISHIHUODEZHUYAOYUANYIN。GAOWENCHULEYINQICUIHUAJISHAOJIEWAI,HAIHUIYINQIQITABIANHUA,ZHUYAOYOUHUAXUEZUCHENGHEXIANGZUCHENGDEBIANHUA、HUOXINGZUFENBEIZAITIBAOMAI、HUOXINGZUFENYOUYUSHENGCHENGHUIFAXINGWUZHIHUOKESHENGHUADEWUZHIERSUNSHIDENG,ZHEIXIEBIANHUACHENGWEIRESHIHUO。DANSHAOJIEHERESHIHUOZHIJIANYOUSHINANYIQUFEN,SHAOJIEYINQIDECUIHUAJIBIANHUAWANGWANGYEBAOHANRESHIHUODEYINSUZAINEI。TONGCHANGWENDUYUEGAO,CUIHUAJISHAOJIEYUEYANZHONG。


 2 SCR催化剂热烧结失活


ZUOWEISCRCUIHUAJIDEZAITIHEHUOXINGYUANSU,BIXUZAIYIDINGDEWENDUFANWEINEIYOULIANGHAODEREWENDINGXINGNENG,YIBIANMIANCUIHUAJIZAIZHANGQISHIYONGGUOCHENGZHONGCHUXIANWEIJINGJIEGOUFASHENGBIANHUAERZAOCHENGSHAOJIEDEXIANXIANG,CONGERDAOZHIBIBIAOMIANJIDESANGSHI,BINGZUIZHONGZHISHITUOXIAOHUOXINGXIAJIANG。ZAITAIJIFANLEISHANGYONGCUIHUAJIZHONGTONGCHANGJIARUWO3LAIZUIDAXIANDUDIJIANSHAOCUIHUAJIDESHAOJIE。


YITAIJICUIHUAJIWEILI,ZHANGSHIJIANBAOLUZAI450℃YISHANGDEGAOWENHUANJINGZHONG,KEYINQICUIHUAJIHUOXINGWEIZHI(BIAOMIAN)DESHAOJIE,WEIJINGJUJI,DAOZHICUIHUAJIKELIZENGDA、BIAOMIANJIJIANXIAO,SHICUIHUAJIHUOXINGJIANGDI,RUTU2SUOSHI。


3.3 CUIHUAJIDEJITANSHIHUO


数学老师怎么赚钱CUIHUAJISHIYONGGUOCHENGZHONG,YINBIAOMIANZHUJIANXINGCHENGTANDECHENJIWUERSHICUIHUAJIHUOXINGXIAJIANGDEGUOCHENGCHENGWEIJITANSHIHUO。SUIZHEJITANLIANGDEZENGJIA,CUIHUAJIDEBIBIAOMIANJI、KONGRONG、BIAOMIANSUANDUJIHUOXINGZHONGXINSHUJUNHUIXIANGYINGXIAJIANG,JITANLIANGDADAOYIDINGCHENGDUHOUJIANGDAOZHICUIHUAJIDESHIHUO[7]。JITANYUEKUAI,CUIHUAJIDESHIYONGZHOUQIYUEDUAN。


数学老师怎么赚钱YUCUIHUAJIZHONGDUXIANGBI,YINQICUIHUAJIJITANSHIHUODEJITANWULIANGBIDUWULIANGYAODUODEDUO,JITANZAIYIDINGCHENGDUSHANGYOUYANHUANCUIHUAJIZHONGDUZUOYONG,DANCUIHUAJIDEZHONGDUHUIJIAJUJITANDEFASHENG。YUDANCHUNDEYINWULIDUSAIERDAOZHIDECUIHUAJISHIHUOXIANGBI,JITANSHIHUOHAISHEJIFANYINGWUFENZIZAIQIXIANGHECUIHUAJIBIAOMIANDEYIXILIEHUAXUEFANYINGWENTI。


JITANDETONGSHIWANGWANGBANSUIJINSHULIUHUAWUJIJINSHUZAZHIDECHENJI,DANCHUNJINSHULIUHUAWUHUOJINSHUZAZHIZAICUIHUAJIBIAOMIANDECHENJIYEYUDANCHUNDEJITANYIYANG,HUIYINFUGAICUIHUAJIBIAOMIANHUOXINGWEIHUOXIANZHIFANYINGWUDEKUOSANERSHICUIHUAJISHIHUO。GUTONGCHANGJIANGJIHUI、JILIUJIJINSHUCHENJIWUYINQIDESHIHUO,DOUGUISHUYUJITANSHIHUO[8]。


4、催化剂再生


JUEDINGSHIHUOCUIHUAJISHIFOUZAISHENGZHUYAOQUJUEYUCUIHUAJISHIHUOYUANYINHEZAISHENGNANYICHENGDU。XIANGJITAN、JIHUIHUOJINSHUCHENJIWUDENGYINQIDESHIHUOJIAORONGYIJINXINGZAISHENG,ERYONGJIUXINGZHONGDUJISHAOJIEYINQIDESHIHUOJIUNANYIJINXINGZAISHENGHUOGENBENWUFAZAISHENG。DUIYUSHIHUOCUIHUAJIDECHULI,SHOUXIANYINGPANDINGSHIHUOCUIHUAJIDEGEXIANGXINGNENGSHIFOUHAIYOUZAISHENGJIAZHIHUOZAISHENGJIAZHIGAODI,RUZAISHENGQIANLIHENXIAO,ZAISHENGHOUCUIHUAJIHUOXING、XUANZEXING、NAIMOXINGDENGTEXINGWUFADAODALIXIANGGAODU,ZENGJIAZAISHENGHUANJIEZHIHUIDAILAIGENGDADEJINGJI、RENLI、WULIDELANGFEI。RUCUIHUAJIZAISHENGQIANLIJIAODA,ZAISHENGHOUCUIHUAJITEXINGNENGGOUDAODALIXIANGGAODU,ZAISHENGHOUNENGGOUWEICHIYIDINGSHIJIANDEYUNXING,NENGGOUMINGXIANWEIQIYEYINGENGHUANCUIHUAJIJIANSHAOHENDADEJINGJIKAIZHI,ZAISHENGYINGGAISHIQIYEDESHOUXUANKAOLV。RUCUIHUAJISHIHUOCHENGDUJIAODA,JINGJIANCEHOUPANDINGWEIWUFAZAISHENGHUOWUZAISHENGJIAZHI,JIUYAOJINXINGFEIQICUIHUAJIDECHULI。


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关键词:催化剂再生,催化剂装卸,催化剂撇头

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