电竞比分

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    袋除尘器技术改造



    电竞比分  MUQIAN,DAICHUCHENQIZAISHUINIGONGYEZHONGYINGYONGFEICHANGGUANGFAN,YOUXIEDAICHUCHENQIYOUYUJIEGOUHEQINGHUIKONGZHIDENGFANGMIANDEYUANYIN,ZAIYUNXINGZHONGJINGCHANGCHUXIANWENTI,CONGERYINGXIANGLEZHENGGESHUINIGONGYIXITONGDEZHENGCHANGYUNXING。BENWENYIXINJIANGMOUSHUINICHANGYAOWEIDAICHUCHENQIWEILI,ZHENDUIQIJINGCHANGCHUXIANLVDAIDIBUPOSUN、YUNXINGZULIGAODENGWENTI,CONGDAICHUCHENQIJIEGOUJIQITAFANGMIANJINXINGYUANYINFENXI,BINGDUIQIJINXINGLEJISHUGAIZAO。

    1 存在的问题

    电竞比分  XINJIANGMOUSHUINICHANG2500t/dSHENGCHANXIANYAOWEICHUCHENSHEBEICAIYONGDESHIDAICHUCHENQI,GAISHEBEIDEGUIGEJIJISHUCANSHUJIANBIAO1。

    图片关键词

      自投入运行5个月左右,该袋除尘器开始出现大量的滤袋破损情况,并且破损的部位在滤袋底部(见图1);同时,运行一段时间后阻力明显偏高,严重影响了窑尾工艺生产系统的正常运行。业主以为原来的滤袋质量不好,又重新更换了一批滤袋,但是袋除尘器运行不久就又出现了相同的问题。

    图片关键词

    2 原因分析

    2.1 滤袋底部破损原因分析

    电竞比分  TONGGUOFANYUETUZHIZILIAOHEXIANCHANGCHAKANDEZHI,YAOWEIDAICHUCHENQIJINQIFANGSHICAIYONGDESHIHUIDOUJINQI,JIXIAJINQIFANGSHI(JIANTU2)。DANGHANYOUHUICHENDEYANQICONGCHUCHENQIYANDAOTONGGUOJINQIKOUFAMENJINRUHUIDOUHOU,QILIUZAILVDAIJIANXIANGSHANGYUNDONG,TONGGUOLVDAIDEGUOLVZUOYONG,HUICHENXIFUZAILVDAIWAIBIAOMIAN,GUOLVHOUDEGANJINGQITITONGGUOJINGQISHI、CHUQIKOUFAMENDENGPAIFANGDAODAQIZHONG。

    图片关键词

      由于袋除尘器采用下进气方式,气流是从滤袋底部向上运动的,含有灰尘的烟气会不停地冲刷底部,时间一长就会造成滤袋袋底破损。另外,由于烟气从滤袋底部向上运动,滤袋的底部、中部和上部过滤速度会不一样,并且烟气中粉尘颗粒粗细有一定分布范围,在重力作用下会使大部分粗颗粒沉积在滤袋下部而细颗粒沉积在滤袋上部[1](见图3),从而造成滤袋下部粉尘负荷较大,再加上气流的不均匀,滤袋会产生晃动,造成滤袋间相互摩擦,从而造成滤袋袋底裙部磨损,见图1。

    图片关键词

    2.2 袋除尘器运行阻力偏高原因分析

    电竞比分  DAICHUCHENQIYUNXINGZULIZHUYAOYOUJIXIEZULIHELVDAIZULIGOUCHENG[2]。JIXIEZULIZHUYAOQUJUEYUCHUCHENQIBENSHENDEJIEGOU[3],LVDAIZULIZHUYAOQUJUEYULVDAIBENSHENDECAIZHIHELVDAIDEQINGHUIXIAOGUO。CHUCHENQIZHENGCHANGYUNXINGSHIDEZULIYIBANZAI800~1200PaDEFANWEINEI,ZAILVDAISHIYONGSHOUMINGHOUQI,YUNXINGZULIHUIYOUSUOZENGJIA,JIBENWENDINGZAI1500PaZUOYOU。YOUYUDAICHUCHENQIQIANQIYUNXINGSHIZULIWEI1000Pa,JIBENZHENGCHANG,YUNXINGJIGEYUEHOUZULICAISHANGSHENGDAO1800Pa,SUOYIJIBENKEYIPAICHUDAICHUCHENQIJIEGOUFANGMIANHELVDAICAIZHIFANGMIANDEYUANYIN。TONGGUOYONGUXINGYALIJIJIANCEDAICHUCHENQIHUABANSHANG、XIADEYALICHAZHI(JIYANQITONGGUOLVDAIQIANHOUDEYALICHA)FAXIAN,ZHEIGEYALIZHIZAILVDAIQINGHUIQIANHOUBIANHUABUDA,JIBENSHANGPANDINGDAICHUCHENQIYUNXINGZULIPIANGAOSHIYOUYULVDAIQINGHUIXIAOGUOBUHAOZAOCHENGDE。

    2.3 脉冲阀喷吹效果不好的原因分析

      TONGGUOXIANCHANGJIANCHAJIFENXIFAXIAN,LVDAIQINGHUIXIAOGUOBUHAOKENENGSHIYINWEIMAICHONGFAPENCHUICIXUBUZHENGQUE、PENCHUIZHOUQIGUODUANJIQILUXITONGSHEJIBUHELIDENGYUANYINZAOCHENGDE。

    电竞比分  YINWEI,ZAIXIANCHANGJIANCHASHIFAXIAN,XUDUOGEFENQIXIANGZHONGQITIYALIFEICHANGXIAO,ZHIYOU0.1MPaZUOYOU,GENBENBUNENGMANZUMAICHONGFAZHENGCHANGGONGZUOSHISUOXUYAODEYALIYAOQIU0.3~0.5MPa。DAICHUCHENQIGONGYOU10GESHI,JINGQISHISHISHUANGFAJIEGOU,JIMEIPAIPENCHUIGUANLIANGDUANYOU2GEMAICHONGFA,MEIGEJINGQISHIGONGYOU11PAI22GEFA。PENCHUISHI,MEIPAIDE2GEMAICHONGFAYIQIPENCHUI,BINGQIEXIANGLIN2PAIMAICHONGFAYEYIQIPENCHUI,MEICIPENCHUISHIGONGYOU4GEMAICHONGFAYIQIGONGZUO。ZHEIYANGDEPENCHUICIXUXIANRANSHIBUHELIDE,YINWEIMEICI4GEMAICHONGFAYIQIGONGZUO,HAOQILIANGSHIFEICHANGDADE,DANGMAICHONGFADONGZUOHOU,FENQIXIANGYALIXIAJIANGFEICHANGDA(YIBANBUYINGDAYU0.1MPa),BINGQIEZAIDIERZUMAICHONGFADONGZUOQIAN,BUNENGHUIFUDAOZHENGCHANGYALISHEDINGZHI;TONGSHI,TONGGUOJISUANDEZHI,SUOYOUMAICHONGFAGONGZUOYIGEXUNHUANSUOXUDEHELISHIJIAN(JIPENCHUIZHOUQI)SHI45~60min,ERSHIJISHANGMAICHONGFADEPENCHUIZHOUQIZHIYOU10minZUOYOU,MINGXIANTAIDUAN。ZAIJIASHANGQILUXITONGDEZHUGONGQIGUANLUZHIJINGSHIΦ89mm,YOUDIANPIANXIAO,DAOZHIQILUXITONGZAI10minDEPENCHUIZHOUQINEIBUNENGJISHIXIANGMEIGEFENQIXIANGZHONGBUCHONGSUNHAODEQILIANG,SHIFENQIXIANGZHONGQITIYALIBUNENGJISHIHUIFUDAOSHEDINGZHI,MAICHONGFABUNENGZHENGCHANGGONGZUO,ZUIZHONGDAOZHILVDAIQINGHUIXIAOGUOBUHAO,DAICHUCHENQIYUNXINGZULIPIANGAO。 

      LINGWAI,SHANGWENZHONGTIDAO,YOUYUCHUCHENQICAIYONGDEXIAJINQIFANGSHI,LVDAIXIABUFENCHENFUHEJIAODA,SHANGBUFENCHENFUHEXIAO(JIANTU3)。YOUMAICHONGQINGHUIYUANLIKEZHI,XIFUZAILVLIAOBIAOMIANDEFENCHENCENGCUXIKELIYUEJUNYUN,ZETOUQIXINGNENGHEQINGHUIXIAOGUOYUEHAO,XIANRANTU3SUOSHIHUICHENDEFENBUSHIYIZHONGQUEXIAN,ERQIELVDAIYUEZHANGZHEIZHONGQUEXIANYUEDA[1]。TONGSHI,YOUYUQINGHUISHIHUICHENDECHENJIANGFANGXIANGYUQILIUFANGXIANGXIANGFAN,HENRONGYIYINQIHUICHENDEERCIXIFU。SUOYI,CHUCHENQICAIYONGXIAJINQIFANGSHIYESHILVDAIQINGHUIXIAOGUOBUHAODEYUANYINZHIYI。

    3 改造方案

    电竞比分  WEILECHEDIJIEJUEDAICHUCHENQILVDAIDAIDIPOSUN、YUNXINGZULIPIANGAODENGWENTI,XUYAOCONGQIAOTIJIEGOU、QILUXITONGHEQINGHUIKONGZHIDENGSANGEFANGMIANDUIYUANLAIDEDAICHUCHENQIJINXINGGAIZAO。

    3.1 壳体结构和气路系统方面

      BADAICHUCHENQIDEJINQIFANGSHIGAIWEICEJINQIFANGSHI(JIANTU4),YANQICONGLVDAIDECEMIANJINRUDAISHI,KEYIBIMIANHANYOUHUICHENDEQILIUBUTINGCHONGSHUALVDAIDIBU,CONGERJIEJUELELVDAIDAIDIPOSUNDEWENTI;TONGSHI,YOUYUCEJINQIFANGSHIKEYISHILVDAIBIAOMIANDEGUOLVSUDUHEFENCHENKELIFENBUGENGJUNYUN,JIEJUELEYINLVDAIDIBUHUICHENFUHEDAERDAOZHILVDAIDAIDIQUNBUPOSUNDEWENTI;BINGQIE,YOUYULVDAIBIAOMIANDEFENCHENKELIFENBUJUNYUN,QINGHUIXIAOGUOYEGENGHAO;YANQICONGCEMIANJINRUDAISHIHOU,HUIJIXUXIANGLVDAIXIABUYUNDONG,ZHEIYANG,YANQIDELIUDONGFANGXIANGYUFENCHENDECHENJIANGFANGXIANGYIZHI,CONGERDADAJIANSHAOLEQINGHUIGUOCHENGZHONGHUICHENDEERCIXIFU。

    图片关键词

      QIAOTIJIQILUXITONGDEJUTIGAIZAOCUOSHIRUXIA:

    电竞比分  1)JIANGKAOJINYANDAOLIANGBIANDELVDAICHOUDIAO3PAI,JIANTU5ZHONGXUXIANQUYU,YUDAISHINEICEBANLIUCHUYIDINGKONGJIAN(JIANTU4),RANHOUBAHUABANKONGYONGGANGBANJINXINGMIFENG,FANGZHIHUABANSHANG、XIAMIANLOUQI;YUZHEI3PAILVDAIXIANGDUIYINGDEPENCHUIGUANDE3PAIPENCHUIKONGYEYAOJINXINGFENGDU。

    图片关键词

      2)CHAICHUYUANHUIDOUNEIDEDAOLIUBAN(JIANTU2),ZAIDAISHIHEHUIDOUNEIZENGJIAZULIUBAN(JIANTU4),GAIBIANYANQIDEJINQIFANGSHI,SHICHUCHENQIDEJINQIFANGSHIGAIBIANWEICEJINQIFANGSHI。ZULIUBANDEANZHUANGWEIZHIJULIDAISHINEICEBANYUE900mmZUOYOU,ZULIUBANYULVDAIZHONGXINDEJULIYAOQIUZHISHAOZAI250mmYISHANG,FANGZHIANZHUANGHAOHOULVDAIPENGDAOZULIUBAN。WEILEFANGZHIHUIDOUNEIZULIUBANJIHUI,ZULIUBANYUHUIDOUBILIUYOU150mmDEJIANXI。

      3)ZAIDAISHINEICEBANSHANGKAIKONG,YONGYUYANQIXIANGDAISHINEILIUDONG。KAIKONGDEYUANZE:KONGDEGAODUCONGHUIDOUSHANGYANWANGSHANG900mm,KUANDUJINLIANGKUAN,LILIZHULIANGBIAN100mm,JIANTU6。

    图片关键词

    电竞比分  4)CHAICHUYUANDAICHUCHENQIDEJINQIFAMENHECHUQIFAMEN(TISHENGFA),JIANSHAOCHUCHENQIBENTIJIEGOUDEJIXIEZULI。

      5)JIANGQILUXITONGDEZHUGONGQIGUANDAODEZHIJINGYOUΦ89mmJIADADAOΦ114mm,JIADAQILUXITONGXIANGMEIGEFENQIXIANGDEGONGQINENGLI。

    3.2 脉冲阀清灰控制方面

      1)DIAOZHENGMAICHONGFADEPENCHUICIXU。PENCHUISHI,RANGJINGQISHIMEIPAIDE2GEMAICHONGFAYIQIPENCHUI,MEIPAIZHIJIANDEPENCHUISHUNXUSHEDINGWEI:1-4-7-10-2-5-8-11-3-6-9,BAOZHENGMEICIZHIYOU2GEMAICHONGFATONGSHIGONGZUO,SHIFENQIXIANGYALIZHIZAIMEICIMAICHONGFADONGZUOHOUXIAJIANGBUCHAOGUO0.1MPa,ZAIDIERZUMAICHONGFADONGZUOQIANNENGHENKUAIHUIFUDAOSHEDINGYALIZHI。

    电竞比分  2)RANGYANDAOZUOYOULIANGBIANJINGQISHI(JIANTU5)QINGHUISHUNXUSHEDINGWEI:A1-B5-A2-B4-A3-B3-A4-B2-A5-B1,JIAOTITIAOYUEJINXING,ZHEIYANGKEYIBAOZHENGZUOYOULIANGGEZHUGONGQIGUANLUDEGONGQISHIPINGHENGDE。

    电竞比分  3)JIANGMAICHONGFADEQINGHUIZHOUQIZANSHIDIAOZHENGDAO60minZUOYOU,RANHOUGENJUCHUCHENQIYUNXINGSHIDEZULIBIANHUAQINGKUANGJINYIBUDIAOZHENG,ZHIZHIDIAOZHENGDAOHELIDEQINGHUIZHOUQI。

      4)JIANGLIXIANQINGHUIGAIWEIZAIXIANQINGHUI。

      JINGGUOYISHANGGAIZAO,DAICHUCHENQIDEJIEGOU、JISHUCANSHUYOULEHENDADEBIANHUA(JIANBIAO1)。

      CONGBIAO1KEYIKANCHU,GAIZAOHOUDAICHUCHENQILVDAIDESHULIANGWEI2310TIAO,BIGAIZAOQIANJIANSHAOLE330TIAO。SUIRANGAIZAOHOUDEGUOLVFENGSUWEI0.98m/min,DANYOUYUQINGHUIFANGSHIGAIWEIZAIXIANQINGHUI,MEIYOULEJINGGUOLVFENGSUHEMAOGUOLVFENGSUZHIFEN,YUGAIZAOQIANDEJINGGUOLVFENGSUXIANGCHABUDA,YINCIBINGBUYINGXIANGCHUCHENQIDEZHENGCHANGGONGZUOYUNXING。

    4 改造效果

      DAICHUCHENQIGAIZAOWANCHENGHOU,JIANGLVDAIQUANBUGENGXIN。DAICHUCHENQITOURUSHENGCHANZHENGCHANGYUNXINGHOU,QIYUNXINGZULIJIBENWENDINGZAI1100PaZUOYOU,MAICHONGFADONGZUOHOUFENQIXIANGYALINENGGOUHENKUAIHUIFUDAOSHEDINGYALIZHI。YUNXING5GEYUEHOU,CHOUQUJIANCHABUFENLVDAI,MEIYOUFAXIANLVDAIPOSUNDEQINGKUANG。

    电竞比分  MUQIAN,ZHEITAIGAIZAODEDAICHUCHENQIYIJINGZHENGCHANGYUNXINGLE2NIANDESHIJIAN,QIJIANMEIYOUZAICHUXIANGUOLVDAIDAIDIPOSUNHEYUNXINGZULIPIANGAODEWENTI,DADAOLEYUQIXIAOGUO。


    点击次数:  更新时间:2018-04-09 14:53:51  【打印此页】  【关闭

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