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烟气脱白技术   篮球比分 > 烟气脱白技术

最全面的石灰石/石膏湿法烟气脱硫技术介绍

[2019-9-3] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

1、 石灰石/石膏湿法烟气脱硫技术特点:

1)GAOSUQILIUSHEJIZENGQIANGLEWUZHICHUANDINENGLI,JIANGDILEXITONGDECHENGBEN,BIAOZHUNSHEJIYANQILIUSUDADAO4.0 m/s。

2)JISHUCHENGSHUKEKAO,DUOYU 55,000 MWe DESHIFATUOLIUANZHUANGYEJI。

3)ZUIYOUDETATICHICUN,XITONGCAIYONGZUIYOUCHICUN,PINGHENGLE SO2 QUCHUYUYAJIANGDEGUANXI,SHIDEZIJINTOURUHEYUNXINGCHENGBENZUIDI。

4)XISHOUTAYETIZAIFENPEIZHUANGZHI,YOUXIAOBIMIANYANQIPABIXIANXIANGDECHANSHENG,TIGAOJINGJIXING,JIANGDINENGHAO。

CONGERDADAO:

◆TUOLIUXIAOLVGAODA95%YISHANG,YOULIYUDIQUHEDIANCHANGSHIXINGZONGLIANGKONGZHI;

◆JISHUCHENGSHU,SHEBEIYUNXINGKEKAOXINGGAO(XITONGKELIYONGLVDA98%YISHANG);

◆DANTACHULIYANQILIANGDA,SO2TUOCHULIANGDA;

◆SHIYONGYURENHEHANLIULIANGDEMEIZHONGDEYANQITUOLIU;

◆DUIGUOLUFUHEBIANHUADESHIYINGXINGQIANG(30%—100%BMCR);

◆SHEBEIBUZHIJINCOUJIANSHAOLECHANGDIXUQIU;

◆CHULIHOUDEYANQIHANCHENLIANGDADAJIANSHAO;

◆XISHOUJI(SHIHUISHI)ZIYUANFENGFU,JIALIANYIDE;

◆TUOLIUFUCHANWU(SHIGAO)BIANYUZONGHELIYONG,JINGJIXIAOYIXIANZHU;

2、系统基本工艺流程

石灰石/石膏湿法烟气脱硫技术工艺流程

SHIHUISHI(SHIHUI)/SHIGAOSHIFATUOLIUGONGYIXITONGZHUYAOYOU:YANQIXITONG、XISHOUYANGHUAXITONG、JIANGYEZHIBEIXITONG、SHIGAOTUOSHUIXITONG、PAIFANGXITONGZUCHENG。

GUOLUYANQIJINGDIANCHUCHENQICHUCHENHOU,TONGGUOZENGYAFENGJI、GGH(KEXUAN)JIANGWENHOUJINRUXISHOUTA。ZAIXISHOUTANEIYANQIXIANGSHANGLIUDONGQIEBEIXIANGXIALIUDONGDEXUNHUANJIANGYEYINILIUFANGSHIXIDI。XUNHUANJIANGYEZETONGGUOPENJIANGCENGNEISHEZHIDEPENZUIPENSHEDAOXISHOUTAZHONG,YIBIANTUOCHUSO2、SO3、HCLHEHF,YUCITONGSHIZAI“QIANGZHIYANGHUAGONGYI”DECHULIXIAFANYINGDEFUCHANWUBEIDAORUDEKONGQIYANGHUAWEISHIGAO(CaSO4·2H2O),BINGXIAOHAOZUOWEIXISHOUJIDESHIHUISHI。XUNHUANJIANGYETONGGUOJIANGYEXUNHUANBENGXIANGSHANGSHUSONGDAOPENLINCENGZHONG,TONGGUOPENZUIJINXINGWUHUA,KESHIQITIHEYETIDEYICHONGFENJIECHU。MEIGEBENGTONGCHANGYUQIGEZIDEPENLINCENGXIANGLIANJIE,JITONGCHANGCAIYONGDANYUANZHI。

ZAIXISHOUTAZHONG,SHIHUISHIYUERYANGHUALIUFANYINGSHENGCHENGSHIGAO,ZHEIBUFENSHIGAOJIANGYETONGGUOSHIGAOJIANGYEBENGPAICHU,JINRUSHIGAOTUOSHUIXITONG。TUOSHUIXITONGZHUYAOBAOKUOSHIGAOSHUILIXUANLIUQI(ZUOWEIYIJITUOSHUISHEBEI)、JIANGYEFENPEIQIHEZHENKONGPIDAITUOSHUIJI。

JINGGUOJINGHUACHULIDEYANQILIUJINGLIANGJICHUWUQICHUWU,ZAICICHUJIANGQINGJIEYANQIZHONGSUOXIEDAIDEJIANGYEWUDIQUCHU。TONGSHIANTEDINGCHENGXUBUSHIDIYONGGONGYISHUIDUICHUWUQIJINXINGCHONGXI。JINXINGCHUWUQICHONGXIYOULIANGGEMUDE,YISHIFANGZHICHUWUQIDUSAI,ERSHICHONGXISHUITONGSHIZUOWEIBUCHONGSHUI,WENDINGXISHOUTAYEWEI。

ZAIXISHOUTACHUKOU,YANQIYIBANBEILENGQUEDAO46—55℃ZUOYOU,QIEWEISHUIZHENGQISUOBAOHE。TONGGUOGGHJIANGYANQIJIAREDAO80℃YISHANG,YITIGAOYANQIDETAISHENGGAODUHEKUOSANNENGLI。

ZUIHOU,JIEJINGDEYANQITONGGUOYANDAOJINRUYANCONGPAIXIANGDAQI。

3、脱硫过程主反应

1)SO2 + H2O → H2SO3 XISHOU

2)CaCO3 + H2SO3 → CaSO3 + CO2 + H2O ZHONGHE

3)CaSO3 + 1/2 O2 → CaSO4 YANGHUA

4)CaSO3 + 1/2 H2O → CaSO3·1/2H2O JIEJING

5)CaSO4 + 2H2O → CaSO4 ·2H2O JIEJING

6)CaSO3 + H2SO3 → Ca(HSO3)2 pH KONGZHI

TONGSHIYANQIZHONGDEHCL、HFYUCaCO3DEFANYING,SHENGCHENGCaCl2HUOCaF2。XISHOUTAZHONGDEpHZHITONGGUOZHURUSHIHUISHIJIANGYEJINXINGDIAOJIEYUKONGZHI,YIBANpHZHIZAI5.5—6.2ZHIJIAN。

4、主要工艺系统设备及功能

1)烟气系统

YANQIXITONGBAOKUOYANDAO、YANQIDANGBAN、MIFENGFENGJIHEQI—QIJIAREQI(GGH)DENGGUANJIANSHEBEI。XISHOUTARUKOUYANDAOJICHUKOUZHIDANGBANDEYANDAO,YANQIWENDUJIAODI,YANQIHANSHILIANGJIAODA,RONGYIDUIYANDAOCHANSHENGFUSHI,XUJINXINGFANGFUCHULI。

YANQIDANGBANSHITUOLIUZHUANGZHIJINRUHETUICHUYUNXINGDEZHONGYAOSHEBEI,FENWEIFGDZHUYANDAOYANQIDANGBANHEPANGLUYANQIDANGBAN。QIANZHEANZHUANGZAIFGDXITONGDEJINCHUKOU,TASHIYOUSHUANGCENGYANQIDANGBANZUCHENG,DANGGUANBIZHUYANDAOSHI,SHUANGCENGYANQIDANGBANZHIJIANLIANJIEMIFENGKONGQI,YIBAOZHENGFGDXITONGNEIDEFANGFUCHENJIAODENGBUSHOUPOHUAI。PANGLUDANGBANANZHUANGZAIYUANGUOLUYANDAODEJINCHUKOU。DANGFGDXITONGYUNXINGSHI,PANGLUYANDAOGUANBI,ZHEISHIYANDAONEILIANJIEMIFENGKONGQI。PANGLUYANQIDANGBANSHEYOUKUAIKAIJIGOU,BAOZHENGZAIFGDXITONGGUZHANGSHIXUNSUDAKAIPANGLUYANDAO,YIQUEBAOGUOLUDEZHENGCHANGYUNXING。

JINGSHIFATUOLIUHOUDEYANQICONGXISHOUTACHULAIYIBANZAI46—55℃ZUOYOU,HANYOUBAOHESHUIQI、CANYUDESO2、SO3、HCl、HF、NOX,QIXIEDAIDESO42-、SO32-YANDENGHUIJIELU,RUBUJINGGUOCHULIZHIJIEPAIFANG,YIXINGCHENGSUANWU,QIEJIANGYINGXIANGYANQIDETAISHENGGAODUHEKUOSAN。WEICISHIFAFGDXITONGTONGCHANGPEIYOUYITAOQI—QIHUANREQI(GGH)YANQIZAIREZHUANGZHI。QI—QIHUANREQISHIXUREJIAREGONGYIDEYIZHONG,JICHANGSHUODEGGH。TAYONGWEITUOLIUDEREYANQI(YIBAN130~150℃)QUJIAREYITUOLIUDEYANQI,YIBANJIAREDAO80℃ZUOYOU,RANHOUPAIFANG,YIBIMIANDIWENSHIYANQIFUSHIYANDAO、YANCONGNEIBI,BINGKETIGAOYANQITAISHENGGAODU。YANQIZAIREQISHISHIFATUOLIUGONGYIDEYIXIANGZHONGYAOSHEBEI,YOUYUREDUANYANQIHANLIUZUIGAO、WENDUGAO,ERLENGDUANYANQIWENDUDI、HANSHUILVDA,GUQI—QIHUANREQIDEYANQIJINCHUKOUJUNXUYONGNAIFUSHICAILIAO,RUTANGBOLI、KEDENGGANGDENG,CHUANREQUYIBANYONGTANGCIGANG。

LINGWAI,CONGDIANCHUCHENQICHULAIDEYANQIWENDUGAODA130~150℃,YINCIJINRUFGDQIANYAOJINGGUOGGHJIANGWENQIJIANGWEN,BIMIANYANQIWENDUGUOGAO,SUNHUAIXISHOUTADEFANGFUCAILIAOHECHUWUQI。

2)吸收系统

XISHOUXITONGDEZHUYAOSHEBEISHIXISHOUTA,TASHIFGDSHEBEIDEHEXINZHUANGZHI,XITONGZAITAZHONGWANCHENGDUISO2、SO3DENGYOUHAIQITIDEXISHOU。SHIFATUOLIUXISHOUTAYOUXUDUOZHONGJIEGOU,RUTIANLIAOTA、TUANQIUTA、PENSHEGUPAOTA、PENLINTADENGDENG,QIZHONGPENLINTAYINWEIJUYOUTUOLIUXIAOLVGAO、ZULIXIAO、SHIYINGXING、KEYONGLVGAODENGYOUDIANERDEDAOJIAOGUANGFANDEYINGYONG,YINERMUQIANPENLINTASHISHIHUISHI/SHIGAOSHIFAYANQITUOLIUGONGYIZHONGDEZHUDAOTAXING。

PENLINCENGSHEZAIXISHOUTADEZHONGSHANGBU,XISHOUTAJIANGYEXUNHUANBENGDUIYINGGEZIDEPENLINCENG。MEIGEPENLINCENGDOUSHIYOUYIXILIEPENZUIZUCHENG,QIZUOYONGSHIJIANGXUNHUANJIANGYEJINXINGXIHUAPENWU。YIGEPENLINCENGBAOKUOMUGUANHEZHIGUAN,MUGUANDECEXIANGZHIGUANCHENGDUIPAILIE,PENZUIJIUBUZHIZAIQIZHONG。PENZUIDEZHEIZHONGBUZHIANPAIKESHIXISHOUTADUANMIANSHANGSHIXIANJUNYUNDEPENLINXIAOGUO。

XISHOUTAXUNHUANBENGJIANGTANEIDEJIANGYEXUNHUANDARUPENLINCENG,WEIFANGZHITANEICHENDIANWUXIRUBENGTIZAOCHENGBENGDEDUSAIHUOSUNHUAIJIPENZUIDEDUSAI,XUNHUANBENGQIANDOUZHUANGYOUWANGGEZHUANGBUXIUGANGLVWANG(TANEI)。DANTAIXUNHUANBENGGUZHANGSHI,FGDXITONGKEZHENGCHANGJINXING,RUOQUANBUXUNHUANBENGJUNTINGYUN,FGDXITONGJIANGBAOHUTINGYUN,YANQIZOUPANGLU。

YANGHUAKONGQIXITONGSHIXISHOUXITONGNEIDEYIGEZHONGYAOBUFEN,YANGHUAKONGQIDEGONGNENGSHIBAOZHENGXISHOUTAFANYINGCHINEISHENGCHENGSHIGAO。YANGHUAKONGQIZHURUBUCHONGFENJIANGHUIYINQISHIGAOJIEJINGDEBUWANSHAN,HAIKENENGDAOZHIXISHOUTANEIBIDEJIEGOU,YINCI,DUIGAIBUFENDEYOUHUASHEZHIDUITIGAOXITONGDETUOLIUXIAOLVHESHIGAODEPINZHIXIANDEYOUWEIZHONGYAO。

XISHOUXITONGHAIBAOKUOCHUWUQIJIQICHONGXISHEBEI,XISHOUTANEIZUISHANGMIANDEPENLINCENGSHANGBUSHEYOUERJICHUWUQI,TAZHUYAOYONGYUFENLIYOUYANQIXIEDAIDEYEDI,CAIYONGZURANJUBINGXICAILIAOZHICHENG。

3)浆液制备系统

JIANGYEZHIBEITONGCHANGFENSHIMOZHIJIANGYUGANFENZHIJIANGLIANGZHONGFANGSHI

BUTONGDEZHIJIANGFANGSHISUODUIYINGDESHEBEIYEGEBUXIANGTONG。ZHISHAOBAOKUOYIXIAZHUYAOSHEBEI:MOJI(SHIMOSHIYONG)、FENCANG(GANFENZHIJIANGSHIYONG)、JIANGYEXIANG、JIAOBANQI、JIANGYESHUSONGBENG。

JIANGYEZHIBEIXITONGDERENWUSHIXIANGXISHOUXITONGTIGONGHEGEDESHIHUISHIJIANGYE。TONGCHANGYAOQIULIDUWEI90%XIAOYU325MU。

4)石膏脱水系统

SHIGAOTUOSHUIXITONGBAOKUOSHUILIXUANLIUQIHEZHENKONGPIDAITUOSHUIJIDENGGUANJIANSHEBEI。

SHUILIXUANLIUQIZUOWEISHIGAOJIANGYEDEYIJITUOSHUISHEBEI,QILIYONGLELIXINLIJIASUCHENDIANFENLIDEYUANLI,JIANGYELIUQIEJINRUSHUILIXUANLIUQIDERUKOU,SHIQICHANSHENGHUANXINGYUNDONG。CUDAKELIFUJIZAISHUILIXUANLIUQIDEZHOUBIAN,ERXIXIAOKELIZEFUJIZAIZHONGXIN。YICHENGQINGDEYETICONGSHANGBUQUYUYICHU(YILIU);ERZENGCHOUJIANGYEZEZAIDIBULIUCHU(DILIU)。

ZHENKONGPITUOSHUIJIJIANGYIJINGSHUILIXUANLIUQIYIJITUOSHUIHOUDESHIGAOJIANGYEJINYIBUTUOSHUIZHIHANGULVDADAO90%YISHANG。

石灰石/石膏湿法烟气脱硫技术工艺设备

5)排放系统

PAIFANGXITONGZHUYAOYOUSHIGUJIANGCHI、QUYUJIANGCHIJIPAIFANGGUANLUZUCHENG。

6)热工自控系统

WEILEBAOZHENGYANQITUOLIUXIAOGUOHEYANQITUOLIUSHEBEIDEANQUANJINGJIYUNXING,XITONGZHUANGBEILEWANZHENGDEREGONGCELIANG、ZIDONGDIAOJIE、KONGZHI、BAOHUJIREGONGXINHAOBAOJINGZHUANGZHI。QIZIDONGHUASHUIPINGJIANGSHIYUNXINGRENYUANWUXUXIANCHANGRENYUANPEIHE,ZAIKONGZHISHINEIJIKESHIXIANDUIYANQITUOLIUSHEBEIJIQIFUSHUXITONGDEQI、TINGJIZHENGCHANGYUNXINGGONGKUANGDEJIANSHI、KONGZHIHEDIAOJIE,XITONGTONGSHIJUBEIYICHANGYUSHIGUGONGKUANGSHIDEBAOJING、LIANSUOHEBAOHUGONGNENG。

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