烟气脱白原理与烟气脱白技术解析
烟气脱白是环保治理中的一种针对烟气污染进行处置的一种方法。目前国内绝大多数燃煤电厂或是其它化工行业的烟气在排放前大都进行了湿法脱硫,温度降至一定温度,此时的烟气通常是饱和湿烟气,烟气中含有大量水蒸汽,水蒸汽中含有较多的溶解性盐、SO3、凝胶粉尘、微尘等(都是雾霾的主要成分)。如果烟气由烟囱直接排出,进入温度较低的环境空气中,由于环境空气的饱和湿度比较低,在烟气温度降低过程中,烟气中的水蒸汽会凝结形成湿烟羽。今日广绿环保专家为大家讲解烟气脱白的一种工艺。
吉林快3CHANGYONGCHULIGONGYIYOUYUDIYUDEBUTONG,QIHOUTIAOJIANXIANGCHAHENDA。BIRUPINGJUNWENDU、SHIDU,QIYAXIANGCHAHENDA,CAIYONGDEFANGFAJISHUYEBUJINXIANGTONG。HAIYOUGEQIYEDEGONGYILIUCHENGTIAOJIANBUTONG、YUREZIYUANBUTONG、TOUZIYAOQIUBUTONG,CAIQUDEXIAOBAIFANGFABUTONGDENGYINSU,GONGYIFANGANQIANBIANWANHUAYOUHENDADECHABIE,DANMANZUYONGHUYAOQIUSHIJISHUFANGANDEGENBENYAOQIU。GENJUSHIYANYUXINGCHENGJIXIAOSANDEJILI,MUQIANCHANGYONGDEFANGFAGUINAWEI:YANQIJIAREJISHU、YANQILENGNINGJISHU、YANQIXIANLENGNINGZAIREJISHUJIGEZHONGFANGFADEZUHEJISHU。YISHANGZHEIXIEJISHUDEZUHEZONGDELAIJIANGDADAODEMUDESHIXIAOBAI、JIENENG、TOUZIDI,JI“XINGJIABI”GAO。
吉林快3YANQITUOBAIGONGYIZAIXIAOCHUGANGUANDEBAISEYANYUDETONGSHIHAISHIXIANLEYIXIAJIDIAN:SHENGWENGUOCHENGLIYONGYANQIYUREDADAOJIENENGDEMUDE;LIYONGXUNHUANSHUISHUIXIJIANGWEN,TIGAOLETUOLIUDEXISHOUXIAOLV;LENGNINGGUOCHENGCHANSHENGLENGNINGSHUIBUCHONGLEXUNHUANSHUI;JIANSHAOLEKERONGXINGYANDENGZONGKELIWUDEPAIFANG。
河北广绿环保设备吉林快3凭借几十年的化工经验,以实体工业求发展,以低碳经济、变废为宝为理念,从根本上解决了高耗能和二次污染问题,使超低排放科技化、系统化。
烟气脱白技术解析
1、烟气脱白的概念
DAGAI5-10NIANQIAN,PAIYANDUOQUESHAOYOUWUMAI;JINGGUODUONIANZHILI,XIANZAIHEIYAN、HUANGYANSHAOLEERWUMAIDUOLE,CHANGJIANYISHIFATUOLIUWEIZHUDEBAIYAN。YANCONGPAICHUDEBAIYANYUHUANJINGLENGKONGQIHUNHE,ZAIJIANGWENGUOCHENGZHONG,SUOHANDESHUIZHENGQIBAOHENINGJIE,NINGJIESHUIWUDIDUIGUANGXIANCHANSHENGZHESHE、SANSHE,SHIYANYUCHENGXIANCHUBAISEHUOZHEHUISE,BEICHENGWEI“SHIYANYU”,SUCHENG“DABAIYAN”,YANQITUOBAIJIUSHIZHIQUCHUDABAIYAN。DABAIYANDEYUANTOUSHISHUIFEN,YANQIZHONGBAOHESHUIZHENGQISHIXIRECHANSHENGDE,HANYOUDALIANGQIANRE,YINCI,YANQITUOBAIDEGUANJIANJIUSHIPAIFANGYANQIDEWENDU、SHIDUKONGZHI。
2、烟气脱白的目的和功能
吉林快3YOUYUYANQITUOBAIGANGQIBU,DUIYUWEISHENMEYANQITUOBAI,YOUBUTONGDELIJIE。WODEJIANJIESHI:PAIYANSHIXIANYINIANSIJIWUBAISHIQIMAYAOQIU,KEJIEJUESHIJUEWURAN,YIANGUANGDARENMINQUNZHONGZHIXIN;KEYIJIANSHAODUIFEIXING、GAOSUGONGLUYUNSHUDEYINGXIANG;DETONGSHI,YINGGAIZHISHAOHAIYOUSIGEGONGNENG:
①YOULIYUCHUWUMAI;
②JIESHUI;
③JIENENG;
④CHULIFEISHUI;
JINGUANYEJIEDUIYANQITUOBAINENGFOUYOUZHUYUCHUMAIHAIYOUBUTONGKANFA,DANYOUZHUYUCHUWU、JIESHUI、JIENENGYIJINGDEDAOCHUBUDEYEJIYANZHENG,XIAMIANFENBIEJINXINGTANTAO。
2.1、除雾霾
YANQIZHONGSHUIZHENGQIDEMIDUSHI0.804kg/m3,BIKONGQIQING,LIKAIYANCONGHOUHENRONGYISHANGSHENG,YUHUANJINGDIWENKONGQIHUNHEJIANGWENHOU,SHUIZHENGQIBAOHELENGNINGWEISHUIDI,SHUIDIDEMIDUSHI1000kg/m3,KELIJIXI、MIDUYUANBIKONGQIDADESHUIDIZAIDAQICENGZHONGXUANFULEIJIXINGCHENGWU,NONGWUYINGXIANGFEIXING、GAOSUGONGLUJIAOTONG,TONGGUOFENG、YU、XUEKEYIGUAZOUHUONINGJIEJIANGLUO,YUJINGWENTIANQI,NONGWUJIUXIANGYIGEDAGAIZI,BENSHENJIUYOURONGJIEXINGKELIWUXICHU,HAIXISHOUQITAWURANYUANKELIWU、ZUGEQIKUOSAN,ZAIWUCENGZHONGLEIJI,JIUXINGCHENGLEWUMAI,ZHEIJIUSHIWOGUOPINFANCHUXIANWUMAIDECHENGYINHEGUOCHENG。YICHUSHIWEIJICHUDEYANQITUOBAIKEYIQUWUMAI,JIANSHAODAWUTIANQI,TEBIEZHONGYAODESHIKEYIXIETONG、DICHENGBENSHIXIANFENCHEN、ERYANGHUALIU、DANYANGHUAWU、ZHONGJINSHU、YOUJIWURANCHENGFENDEDABIAOHECHAODIJINLINGPAIFANG,SHIHUANBAOYOUCHUNTOURUZHUANBIANWEIYOUXIAOYI。
2.2、节水
JIYUYIXIAFANGFAKEYIGUSUANCHU,WOGUOMEINIANRENWEIPAIFANGDAODAQIZHONGDESHUIFENCHAOGUO160YIDUN。
吉林快31)MEIDIAN、REDIANXINGYE:MEIRANSHAO1DUNBIAOMEI,SHIYANQIDAIZOUSHUIFEN1DUN、XUNHUANSHUILENGQUETAPAISHUI5DUN,MEIDIAN、REDIANXINGYEMEINIANPAIDAODAQIZHONGDESHUIFENCHAOGUO120YIDUN。
2)GANGTIEXINGYE:MEISHENGCHAN1DUNGANG,FANGSAN1.5DUNSHUIFEN,QUANXINGYEMEINIANPAIFANGSHUIFENYUE15YIDUN。
吉林快33)MEIJIAOHUAXINGYE:MEISHIXI1DUNJIAOTAN,PAIFANG0.5DUNSHUIFEN,JIAOLUYANDAOQISHIFATUOLIU、GANFATUOLIUDOUPAIFANGSHUIFEN,HEJIMEIJIAOHUAXINGYEMEINIANXIANGDAQIPAIFANGSHUIFENCHAOGUO2YIDUN。
4)TIANRANQIRANSHAO:MEIRANSHAO1LIFANGMITIANRANQI,HUICHANSHENG2LIFANGMI、1.55QIANKESHUIZHENGQI,QUANGUOMEINIANPAIFANGCHAOGUO3YIDUNSHUIFEN。
吉林快3CIWAI,HAIYOUSHUINI、JIANCAI、YOUSEJINSHU、SHIYOUHUAGONGDENGXINGYE。
吉林快3RENWEIPAIFANGDAODAQI160YIDUNDESHUIFEN,YUDAZIRANDESHUIXUNHUANLIANGXIANGBI,QUESHIXIAOSHUMU,DANZHEISHIZAIDAZIRANZHENGCHANGXUNHUANJICHUSHANGZENGJIADE,TEBIESHIWOGUOJINGJIFAZHANBUJUNHENG、FADADIQUPAIFANGQIANGDUSHIQUANGUOPINGJUNZHIDE10BEIYISHANG,JIBUJUNYUN。WOGUONENGHAO、PAIFANGJULIANGDEGUOQINGJUEDING,ZAIZHONGGUOZUOYANQITUOBAI,BIXUCHONGFENZHONGSHIJIESHUI。SHUIFENSHANGTIANSHIWUMAI、SHOUHUILAIJIUSHIZIYUAN,TEBIEDUIXIBUQUESHUIQIYE,HUISHOUSHUIFENGENGYOUYIYI。DAQISHUIFENSHIWOGUOBUKEHUSHIDEZHONGYAOFEICHANGGUISHUIYUAN。
2.3、节能
吉林快3CAIYONGYICHUSHIWEIJICHUDEYANQITUOBAI,JIASHEHUISHOU70%PAIQI,QUANGUOMEINIANKEYIHUISHOUXIANGDANGYU100DUOYIDUNSHUIZHENGQIDERELIANG,YONGYUCAINUAN、JIAREKUANGFEN、MEIFEN,JUYOUXIANGDANGXIANZHUDEJIENENGXIAOYI。
2.4、处理利用废水
吉林快3YANQITUOBAIBUJINBUXINCHANSHENGFEISHUI,HAIYOUZHUYUCHULIYUANLAIDENANCHULIFEISHUI。SHIFATUOLIUFEISHUI、JIAOHUAFEISHUI、ZONGHEWUSHUICHULICHANSHENGDENONGYANSHUIDOUSHINANCHULI、TOUZICHULICHENGBENJUNGAODEFEISHUI,CAIYONGMOCHULIWEIZHUDECHANGGUICHULIFANGFANANYIZUODAO“LINGPAIFANG”HUONANYIDICHENGBEN“LINGPAIFANG”,CAIYONGYANQITUOBAIHOU,ZUGELEYANQIZHONGWURANWUCONGSHUIZHONGXIANGDAQIZHONGDEZHUANYI,LIYONGYANDAOQIYUREHECANYANGREJIEREYANGHUA、WUHAIHUAXIAOJIEFEISHUIZHONGCODYOUJICHENGFEN、XISHOUXISHIANDAN,YONGPENWUZHENGFANONGSUO、GANZAOQUCHURONGJIEYAN,KEYIDAFUDUJIANSHAOFEISHUICHULITOUZI,TEBIESHIJIANGDICHULICHENGBEN。
ZONGSHANGSUOSHU,YANQITUOBAISHISHIXIANCHAODIPAIFANG、JIEYUENENGYUAN、CHUWUMAI、JIESHUI、CHULILIYONGFEISHUIDEYOUXIAOSHOUDUAN。
3、烟气脱白技术
3.1、烟气冷凝再加热技术
YANQILENGNINGZAIJIAREJISHUSHITONGGUOJIANGWENJIANSHAO“BAIYAN”ZHONGDEJUEDUIHANSHILIANG,SHIYANQIZHONGBAOHESHUIQIXICHUCHENGNINGJIESHUI,ZAIJIANGYANQIZAIJIAREJIANGDI“BAIYAN”DEXIANGDUIHANSHILIANG,CONGERXIAOCHUYANYU。
3.2、MGGH技术
MGGHXITONGJIANJIE
传统的GGH装置,多数存在污染物逃逸,从而导致SO2超标排放、换热片腐蚀、积灰结垢、烟气堵塞、阻力大、运行及维护费用高等系列问题,故障严重时甚至影响系统的正常运行,针对上述问题,在环保排放控制综合要求不断提高的推动下,山东保蓝环保工程吉林快3研发了MGGH(全称为MitsubishiGas-GasHeater)技术。间接换热,利用水作为媒介,通过水循环方式从高温烟气吸热,到尾部烟道放热,提升净烟气的温度,提高烟气排放的抬升高度,降低污染物的落地浓度,从而消除“白烟”现象。
MGGHXITONGGONGZUOYUANLI
MGGHXITONGZONGHEYINGYONGYANQIYURELIYONGJISHU:
①通过热回收器回收出口烟气余热,使除尘器吉林快3入口温度由120~150℃降低至90~100℃。烟温的降低促使粉尘比电阻相应降低,进而大幅提高除尘效率,并有效脱除烟气中绝大部分的SO3,满足低排放要求,节省湿法脱硫工艺耗水量,减少烟囱水汽的排放。
吉林快3②REHUISHOUQIHUISHOUDERELIANGYOUREMEITIYUNSHUZHIYANQIZAIJIAREQI,JIANGTUOLIUCHUKOUYANQIWENDUYOUYUE50℃SHENGGAODAO80℃ZUOYOU,CONGERBIMIANYANCONGJIANGLUOYEDI,JIANQINGYANCONGFUSHI,TIGAOYANQIPAIFANGTAISHENGGAODU,XIAOCHU“YANYU”SHIJUEWURAN。
MGGHXITONGZUCHENG
吉林快3MGGHXITONGBAOKUOYUANYANQILENGQUEQIHEJINGYANQIZAIREQILIANGZUREJIAOHUANQILIANGDAZHONGYAOBUJIAN,GAIXITONGGONGNENGWEITONGGUOSHUIHEYANQIDEHUANRE,LIYONGFGD(Fluegasdesulfurization)QIANGAOWENYUANYANQIDERELIANGJIAREFGDHOUDEJINGYANQI。
CHUYISHANGLIANGDAZHONGYAOBUJIAN,MGGHXITONGHAIPEIBEIXUNHUANSHUIXITONG、WENYAXITONG、JIAYAOXITONG、QINGXIXITONGDENGQITABUJIAN,LAIBAOZHENGXITONGANQUANWENDINGYUNXING。
MGGHXITONGYOUSHI
吉林快3XIAOLVGAO。REYANQIHELENGYANQIZHIJIANWUYANQIYUFEIHUIDEXIELOU,MGGHCONGBUYINGXIANGYANQITUOLIUXITONGDESO2HEFEIHUIDEQUCHUXIAOLV。
ZHANDIMIANJIXIAO。BAOLANYANQITUOBAIMGGHXITONGCAIYONGJIANGWEN—TUOBAIYITIHUAZHUANGZHI,JIEGOUJIANDAN,BUJUHELI,ZHANDIMIANJIXIAO。
造价、运行成本低。通过余热回收利用实现超低排放和除湿脱白,可以降低采用湿电的成本,烟囱也不需防腐。
3.3、电磁脱白技术
吉林快3DIANCITUOBAIZHUANGZHIKESHIXIANCHEDIXIAOCHU“BAIYAN”、ZULISUNSHIXIAO、QITICHULILIANGDADENGTEDIAN。BAOLANCAIYONGDETESHUDIANCIFASHENGQISHIZHENGGEDIANCITUOBAIKONGJIANCHONGMANCICHANG,DANGHANWUDIDEQITITONGGUOGAICICHANGSHI,ZAICICHANGLIDEZUOYONGXIA,SUOYOUDEWUDI、XIAOYEDI、PM2.5DENG,JUNHUIYIDONGDAODIANCIJIESHOUJI,BINGXINGCHENGDONGTAIYEMO,HUILIUZHICHUSHUIXIANG,GONGJIANGWENHETUOLIUSHIYONG,CHUCIZHIWAI,RENGRANYOUDABUFENWEIJIELUDESHUIFENZIYIQITAIDEXINGSHIPAIFANGDAODAQIZHONG,JIHUSUOYOUDEXIAOYEDI、XIWEIFENCHENKELIWU、LIUSUANWU、XIAOSUANWU、PM2.5HEQITAYOUHAIWUZHIJUNBEIDIANCITUOBAIZHUANGZHIJINGHUA,CONGERSHIXIANLEXIAOYEDI、XIWEIFENCHENKELIWU、LIUSUANWU、XIAOSUANWU、PM2.5HEQITAYOUHAIWUZHIDADAOLEJIEJINYULINGPAIFANGDEXIAOGUO(ZHUDUOGONGKUANGYIDIYUYIQICELIANGJINGDU),YINCIBAOLANJIANGQIMINGMINGWEI:DIANCITUOBAILINGPAIFANGXITONG。
DIANCITUOBAIXITONGYOUSHI
吉林快31·XIAOLVGAO。TONGGUODIANCICHANGZUOYONGDUIZAZHI、“BAIYAN”JINXINGBUZHUO,XIAOLVGAO、XIAOGUOHAO。
2·ZHANDIMIANJIXIAO。BAOLANDIANCITUOBAIXITONGJIEGOUJIANDAN,BUJUHELI,ZHANDIMIANJIXIAO。
3·SHIYONGFANWEIGUANG。BAOLANDIANCITUOBAIXITONGSHIYONGYUHUODIANCHANG、HUAGONGCHANGDENGDUOGELINGYUDEYANQITUOBAI。
4·运行成本低。电磁脱白系统去除焦油,粉尘,水雾等杂质,达到物料回收和气体净化双重效,节约成本。
DIANCITUOBAIXITONGSHIYONGLINGYU:DIANCITUOBAIXITONGSHEBEIGUANGFANYINGYONGYUHUODIANCHANG,JIAOHUACHANG,GANGTIECHANG,RANLIAOCHANG,HUAFEICHANG,ZHIYAOCHANG,YEJINXINGYE,HUAGONGCHANGHELAJIFENSHAODENGDUOZHONGXINGYEGONGCHANG。