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煤气发生炉-窑炉煤气脱硫存在的问题及工艺优化
时间:2020-07-29

凤凰棋牌 RUGUONINXIANGLEJIEWOMENDECHANPIN,KESUISHIBODAWOGONGSIDEDIANHUA,HUODIANJIYOUCEANNIU!

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13700882281

SUIZHEWOGUORANQIGONGYEDEFAZHAN,GONGYEYAOLUDERANLIAOYIZAIYOURANMEI、RANYOUZHUBUFAZHANWEIRANQI。GONGYEYAOLUCHANGYONGDERANQIYOUTIANRANQI、JIAOLUMEIQI、FASHENGLUMEIQI、SHUIMEIQI、YEHUASHIYOUQIDENGDUOZHONGQIYUAN。YIMEIWEIYUANLIAOQIHUASHENGCHANDEYAOLURANQICHENGWEIYAOLUMEIQI。ZHUYAOYINGYONGYUBOLI、TAOCI、YELIAN、SHUINIDENGXINGYE。

WOGUOSUISHIMEITANDAGUO,DANMEITANCHULIANGZHONG“SIGAO”(GAOHANLIU2-3%,GAOHUIFEN25-40%,GAOHUIFAFEN>25%,GAOHUIRONGDIAN>1500℃,SiO2+Ai2O3/Fe2O3

+CaO+MgO>5),LIEZHIMEIBILIJIAOGAO。SUIZHEWOGUOJINGJIBUDUANFAZHAN,YOUZHIMEICHULIANGBUDUANJIANSHAO,YOUCICUJINLELIEZHIMEIQIHUAJISHUDEBUDUANFAZHAN,LIEZHIMEIQIHUAGONGYIZHUBUZOUXIANGCHENGSHU。ZHUYAODEGONGYEYAOLUMEIQIZHIQIGONGYIYOUENDELUFENMEIQIHUAGONGYI、HANGTIANLUFENMEIQIHUAGONGYI、HUIRONGJUFENMEIQIHUAGONGYI、LIANGDUANLUFENMEIQIHUAGONGYIHELIANGDUANLUGUDINGCHUANGCHANGYAQIHUAGONGYIDENG。

凤凰棋牌 SHANGSHUMEIQIHUAGONGYISUOPEITAODETUOLIUGONGYI,JIBENCAIYONGLEHUAFEIXINGYEGUDINGCHUANGCHANGYAZAOQISUOPEITAODETUOLIUGONGYI。CHUXIANLEJIAODUOSHENGCHANWENTI。

1 FENMEIQIHUAGONGYITUOLIU

凤凰棋牌 1.1 GONGYILIUCHENG

凤凰棋牌 BEIMEIGONGXU(GANFENMEI)→QIHUALU(MEIQI)→XUANFENGCHUCHENQI→FEIREGUOLU→XIDILENGQUETA→CHUCHENBUDIQI→MEIQIJINRUTUOLIUGONGXU。

凤凰棋牌 1.2 CUNZAIWENTIJIFENXI

FENMEIQIHUAGONGYI50%YISHANGDEHUIYOUMEIQIDAICHU,ZHISHIMEIQIZHONGDEHANCHENLIANGGUOGAO,YIBANFEIREGUOLUCHUKOUCHUMEIQIZHONGHANCHENLIANG50g/m3ZUOYOU。JINGXIDI、LENGQUE、CHUCHENBUDI,RUTUOLIUMEIQIZHONGHANCHENLIANGRENGRANYOU80mg/m3ZUOYOU。XIDILENGQUEGUOCHENGZHONG,XIDILENGQUESHUIZHIBUNENGBAOZHENG,JINTUOLIUTAMEIQIHANHUILIANGGUODA;RONGYEZHONGHUILIUZHANHEKELIGUODA,LIUPAOMOFUXUANBUHAO;ZHANGQIYUNXING,TIANLIAOCENGJIHUI、JILIU,TAZUSHANGSHENG,TUOLIUXIAOLVXIAJIANG;JINTARONGYECAIYONGPENTOUDE,YIZAOCHENGBUFENPENZUIDUSAI,RONGYEPIANLIU,TUOLIUXIAOLVXIAJIANG。

1.3 YOUHUAFANGAN

(1)YANGEKONGZHIXIDILENGQUESHUIXUANFUWUNONGDU,BAOCHIXIDILENGQUESHUIZHIWENDING。

(2)QIHUAWENDUDA1250℃,MEIQIZHONGHANJIAOYOULIANGJISHAO,KECAIYONGGANSHICHUCHENSHEBEICHUCHEN。

TUIJIANZAIFEIREGUOLUHOU,ANZHUANGDONGSHIGONGSISHENGCHANDEZHONGGAOWENTAOCICHUCHENQI,GAISHEBEIYUNXINGWENDUGAO,NAIHUAXUEFUSHIHEKANGYANGHUAXINGNENGQIANG,CHUCHENXIAOLVGAO,2.5WEIMIHUICHENJINGHUALVKEDA99.9%YISHANG,JINGHUAHOUMEIQIZHONGFENCHENNONGDUKEDA10mg/Nm3。XIDILENGQUETADEXIDISHUIZHIDEYIGAISHAN,XIDIHOULENGQUESHUICHULIFUHEJIANXIAO,PAIWUYALIJIANXIAO。

2 LIANGDUANLUGUDINGCHUANGCHANGYAQIHUAGONGYITUOLIU

2.1 GONGYILIUCHENG

储煤仓中的原料煤,经加煤机加入两段式煤气发生炉干馏段,受来自气化段煤气的加热干馏,干馏后的半焦状态下的煤焦,进入气化段与气化剂(空气、蒸汽)发生反应,生成煤气。气化段生成的煤气分为两部分,一部分(约75%)从两段炉下段煤气出口,经旋风除尘器出炉,另一部分(约25%)经中心筒进入干馏段,干馏原料煤与干馏煤气混合,从上段煤气出口出炉。

XIADUANCHUKOUMEIQI,JINGXUANFENGCHUCHENQIJIANGWEN、CHUCHENHOU,JINRUQIANGZHIFENGLENGQI,JIXUJIANGWEN、CHUCHEN,RANHOUJINRUJIANLENGQIJINYIBUJIANGWEN。

SHANGDUANCHUKOUMEIQI,JINGYIJIDIANBUCHUJIAOYOUQIBUCHUJIAOYOUHOU,JINRUJIANLENGQIYUXIADUANCHUKOUMEIQIHUNHEJIANGWENHOU,JINRUERJIDIANBUCHUJIAOYOUQI,BUCHUQINGZHIJIAOYOUHOU,MEIQIJINGMEIGUJIAYAHOUJINRUTUOLIUGONGXU。

2.2 CUNZAIWENTIJIFENXI

凤凰棋牌 MUQIAN,TOUCHANDELIANGDUANLUGUDINGCHUANGCHANGYAQIHUAMEIQITUOLIUZHUANGZHI,GONGYISHEJISHANGPUBIANCAIYONGLEHUAFEIXINGYEGUDINGCHUANGCHANGYAZAOQIPEITAODEMEIQITUOLIUGONGYI。YOUYULIANGDUANLUGUDINGCHUANGCHANGYAQIHUALUXUANYONGLIEZHIMEIWEIQIHUAMEI,GANLIUMEIQIZHONGHANYOUJIAOGAODEJIAOYOU、BEN、NAI、FENLEIDENGHUAXUEWUZHI,ERGANLIUMEIQIJINGHUAPUBIANCAIYONGGANSHIDIANBUJIAOQI、JIANJIEFENGLENGQIFENLI、LENGQUEMEIQI。BUJINGXIDIDEMEIQIDUITUOLIUXITONGLIANXUWENDINGSHENGCHANZAOCHENGLEYANZHONGYINGXIANG,JUTIBIAOXIANRUXIA。

(1)MEIQIMEIGUJIAYAHOUWULENGQUERUTAWENDUGUOGAO,DA50—60℃,ZAOCHENGTUOLIUYEZHONGNa2S2O3、Na2SO4ZENGZHANGGUOKUAI。

(2)ZAISHENGCAOPAOMOSHAO,MEIQIZHONGJIADAIDEJIAOYOU、BEN、NAI、FENLEIDENGHUAXUEWUZHIJINRUTUOLIUYEZHONG,YUDANZHILIUHUNHEXINGCHENGZHIMIDEKELIHUNHEWU,ZAOCHENGFUXUANKUNNANPAOMOXISHAO。

凤凰棋牌 (3)TUOLIUTAZULISHANGSHENGHENKUAI,YUNXING2--3YUEJITADU。CONGTINGCHEBACHUTIANLIAOSHANGFUZHEWUGUANCHA,XIACENGTIANLIAOFUZHEWUJIAOSHANG、ZHONGCENGTIANLIAOFUZHEWUYANSEPIANSHEN,SHANG、ZHONGCENGTIANLIAOFUZHEWUYANSEJIAOQIAN;QUYANGHONGGAN、CHENGZHONG,SHANGCENGTIANLIAOFUZHEWUMINGXIANBIXIACENGTIANLIAOFUZHEWUZHONG;FENXILIUHANLIANG,SHANGCENGTIANLIAOFUZHEWUMINGXIANBIXIACENGTIANLIAOFUZHEWUGAO。YOUCIPANDUAN,XIACENGTIANLIAOFUZHUYAOWEIJIAOYOU、NAI、HUIFEN、LIUGAODENGHUNHEWU,DUSAIZHUYAOYUANYINSHIRUTAMEIQIJIADAIDEJIAOYOU、NAI、HUIFENZAOCHENG;SHANG、ZHONGCENGTIANLIAOFUZHEWUZHUYAOWEILIUGAO,DUSAIZHUYAOYUANYINSHIZAISHENGFUXUANCHA,LIUKELIYOUPINYEDAIRUTANEITIANLIAOFUZHECHENJIZAOCHENG。

凤凰棋牌 2.3 JISHUGAIZAO

ZHENDUISHANGSHUWENTI,TONGGUODUIJITAOYAOLUMEIQITUOLIUZHUANGZHIDIAOSHI,ZHUBUZONGJIE,XINGCHENGLEDUIXIANYOUYAOLUMEIQITUOLIUZHUANGZHIJINXINGYANHUANTADUJISHUGAIZAOFANGAN,ZAIJISHUJIAOLIUZHONGDEDAOLEDUOJIAQIYEDERENTONG,MUQIANYIYUYIJIAGONGSIQIANSHULEJIGAIHETONG。

JUTIFANGAN:

凤凰棋牌 (1)ZAITUOLIUTARUKOUMEIQIGUANDAOSHANGJIAZHUANGDONGSHIZHUANYOUSHEBEI——MEIQIGUANDAODUICHONGSHIFANYINGQIYITAI。LIYONGDUICHONGFANYINGQILIANGHAODEXIDINENGLI,XIDIMEIQIZHONGJIADAIDEJIAOYOU、BEN、NAI、FENLEI、HUIFENDENGWUZHIJINRUTUOLIUYEZHONG,JIANSHAOMEIQIJIADAIJIAOYOU、NAI、HUIFENYUJIDUSAIXIACENGTIANLIAOWENTI。LIYONGDUICHONGFANYINGQILIANGHAODETUOLIUNENGLI,TUOCHUBUFENH2S(TUOLIUXIAOLV40-70%),WENDINGTIGAOTUOLIUXIAOLV。

凤凰棋牌 (2)ZENGJIALIUPAOMOGUOLVNENGLI,JIADAZAISHENGYILIULIANG,GUOLVLIANGWEITUOLIURONGYEXUNHUANLIANGDE10-20%,JIANGDIPINYEZHONGXUANFULIU。

2.4 GONGYIYOUHUA

凤凰棋牌 ZAIBUGAIBIANZAOQIGONGYILIUCHENGDEQINGKUANGXIA,DUITUOLIUGONGYILIUCHENGJINXINGYOUHUA。ZAITUOLIUTARUKOUMEIQIGUANDAOSHANG,JIAZHUANGDONGSHIZHUANLIMEIQIGUANDAODUICHONGSHIFANYINGQIYITAI,DADAODUIMEIQIDEXIDIHETUOLIU。MEIQIGUANDAODUICHONGSHIFANYINGQIRONGYEXUNHUANXITONGYUTUOLIUTARONGYEXUNHUANXITONGFENLIGECHENGDULIXITONG。

凤凰棋牌 (1)MEIQILIUCHENG:MEIGU→MEIQIGUANDAODUICHONGSHIFANYINGQI→TUOLIUTA。

凤凰棋牌 (2)DUICHONGSHIFANYINGQIRONGYEXUNHUANLIUCHENG:DUICHONGSHIFANYINGQI→FUYECHI→RONGYEGUOLVBENG→RONGYEGUOLVJI→PINYECHI→DUICHONGSHIFANYINGQI。

凤凰棋牌 SHUOMING:GAIXUNHUANRONGYEWEIQUANGUOLVGONGYI,DUICHONGSHIFANYINGQILAIDEFUYEJINRUFUYECHIXICHUDANZHILIU,YOURONGYEGUOLVBENG,JINGRONGYEGUOLVJI,GUOLVCHULIUKELIXINGCHENGLVBING,GUOLVHOUDERONGYEPENSAYUKONGQIJIECHU,WANCHENGRONGYEDEZAISHENGHELENGQUE,JINRUPINYECAO。CIXUNHUANJIEJUEMEIQIZANG,XISHOUTUOCHUDELIUFUXUANBUCHUDEWENTI。

(3)TUOLIUTARONGYEXUNHUANLIUCHENG:TUOLIUTA→FUYECHI→FUYEBENG→ZAISHENGCAO→PINYECAO→PINYEBENG→TUOLIUTA。

SHUOMING:JINGMEIQIGUANDAODUICHONGSHIFANYINGQIDUIMEIQIJINXINGLECHONGFENXIDI、JIANGWENHEYIJITUOLIUHOU,TUOLIUTARONGYEXUNHUANCAIYONGCHANGGUISHEJIJIKE。

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