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脉冲袋式除尘器的清灰及检测技术

发布日期:2018-12-13 10:02    关键字: 脉冲除尘器

ZHAIYAO:DUIMAICHONGDAISHICHUCHENQIDEDENGYAPENCHUIGUANHEQILIUPENSHEJULIDEYOUXIAOKONGZHI,SHIBAOZHENGQINGHUIXIAOGUODEGUANJIANJISHU,SHIJIEDIANJIENENG、YANZHANGLVDAISHIYONGSHOUMINGDEYOUXIAOCUOSHI。

GUANJIANCI:MAICHONGDAISHICHUCHENQI;DENGYAPENCHUI;QILIUPENSHEJIAO;PENCHUIGUAN

MAICHONGDAISHICHUCHENQIDEYUNXINGJINGJI、KEKAO;GUZHANGJIANCEZHUNQUE、FANGBIAN;WEIXIUJIANDAN、BIANLI。MAICHONGQINGHUIXITONGSHIMAICHONGDAISHICHUCHENQIDEHEXINBUFEN。TONGGUOSHIDUONIANLAIDEYANJIUHEGAIJIN,MAICHONGDAISHICHUCHENQIDEZHONGXIANGCAIPIAOJIQINGHUIXITONGDEGEXIANGXINGNENGDOUDEDAOLEGAISHAN,MAICHONGDAISHICHUCHENQIZHENGJIDEXINGNENGHESHIYONGXIAOGUOYEDEDAOLEHENDADETIGAO。

DUIMAICHONGDAISHICHUCHENQIDEDENGYAPENCHUIGUANHEQILIUPENSHEJULIDEYOUXIAOKONGZHI,SHIBAOZHENGQINGHUIXIAOGUODEGUANJIANJISHU,SHIJIEDIANJIENENG、YANZHANGLVDAISHIYONGSHOUMINGDEYOUXIAOCUOSHI。

(1)流体在喷吹管上诸喷嘴口处应实现等压、等量喷吹脉冲阀的喷吹流量是以高速度进入喷吹管内的,流体主要靠静压力从喷嘴喷出进入滤袋。在接近喷吹管进口处时流体的动压O、静压O小,在喷吹管底部流体的动压降为零,静压达到O值。调整喷吹管上喷嘴孔径的大小,可实现在不同阻力下,使流体通过诸喷嘴时的静压力相等,也就可以保证除尘滤袋的清灰效果一致,滤袋使用寿命相同。

在喷吹管上喷嘴的处理方面,现在大多数的除尘设备制造厂家基本都是采用等孔结构,由于流体在诸喷嘴口的喷吹压力是不相同的,因而滤袋受到的冲击力差异很大,这样就会导致一些滤袋负荷过大,从而缩短了寿命。还有一些除尘设备厂虽是采用喷嘴孔径逐减的方法,但也很难保证诸喷嘴口在喷吹时的喷嘴压力是相等的。

ZAISHIYANSHILI,CAIYONGHUODONGDEKEDIAOZHENGDEPENZUIJIEGOUDUIPENCHUIGUANJINXINGSHIYAN,TONGGUOYALICHUANGANQI、BIANSONGQI、SHIBOQIDUOCIJIANCE,ZUODAOLEPENCHUIQINGHUISHILIUTIZAIZHUPENZUIKOUCHUDEPENCHUIYALIJIBENXIANGDENG,BAOZHENGLEZAIPENCHUISHILIUTIDUIZHULVDAIDECHONGJILIJIBENXIANGDENG,SHIXIANLEJUNDENGDEQINGHUIXIAOGUO。

(2)QUEDINGPENZUIKOUZHILVDAIKOUDELIXIANGJULI,JIUZHENGPENSHEQILIUZHONGXINDEPIANLIZAIPENCHUISHIQILIUJINRUPENCHUIGUAN,YOUYUDONGYADA、LIUSUGAO,SUOYIKAOJINPENCHUIGUANJINKOUDEJIGEPENZUIDEPENCHUIQILIUZHONGXINHUIPIANLIPENZUIKOUZHONGXIN,DANGPENZUIKOUZHILVDAIKOUJULIGUODAHUOGUOXIAOSHIJIUHUICHUXIANPENCHUIQILIUBUNENGWANQUANJINRULVDAINEI、BUFENLVDAIBUNENGQINGHUIDENGXIANXIANG,ZHIJIEYINGXIANGQINGHUIXIAOGUO。SUOYIQUEDINGPENZUIKOUZHILVDAIKOUDELIXIANGJULIHEJIUZHENGPENSHEQILIUZHONGXINDEPIANLI,SHIBAOZHENGQINGHUIXIAOGUODEZHONGYAOCUOSHI。

ZAISHIYANSHI,LIYONGQILIUZHESETOUYINGFA,CELIANGPENCHUIQILIUDEPENSHEJIAODUHEPENSHEQILIUZHONGXINPIANLIDEGUILV,GENJUQILIUDEPENSHEJIAODUHEXUANDINGXIAOYULVDAIKOUZHIJINGDEQILIUPENSHETOUYINGYUANZHIJING,KEJISUANCHUPENZUIKOUZHILVDAIKOUDEJULI。GENJUQILIUPENSHEJIAODU,KEJISUANXUANDINGQILIUDAOLIUGUAN,CONGERBAOZHENGQINGHUIXIAOGUO。

SHEDINGPENZUIKOUZHITOUYINGMIANJULIWEIYZHI,PENCHUIZHONGXINPIANLIWEIXZHI,MAICHONGKUANDUWEI0.08s,PENCHUIYALIWEI0.4~0.6MPa,JINXINGPENCHUITOUYINGSHIYAN。

SHIYANJIEGUOBIAOMING:TONGYIGEPENZUI,PENCHUIYALIYUEDA,YINSHEDEQILIUYUEDA,PENSHEJIAODUYUEDA;TONGYIGEPENZUI,PENCHUIYALIYUEDA,XIANGDUIJINGYALIYUEDA,PIANLIJIAODUJIUYUEXIAO;PENGUANSHIDUANPENZUI,DONGYAO,JINGYAOXIAO,PIANLIJIAODUO;PENQUANGUANMODUANPENZUI,DONGYAWEILING,JINGYAO,PIANLIJIAODUWEILING。

因此,应选20°喷射角为导流管尺寸设计角度。
除尘器清灰原理

(3)QUERENPODAIWEIZHI,JINXINGBUTINGJIHUANDAI

LIXIANMAICHONGBUDAICHUCHENQIYOUSHUGELIXIANDANYUANSHIZUCHENG。SHEDINGZHUDANYUANSHILVDAIGUOLVZULIGUANCHADIAN,KEZHUNQUEGUANCHADAOPOSUNLVDAIDEWEIZHI。SHEDINGCHUCHENBUDAIGUOLVZULIGUANCHADIANYOU4ZHONGJIANDAN、JINGJIDECAOZUOFANGFA,KEGONGYONGHUXUANYONG:

1)SHOUDONGZHUANHUANCAOZUOFA

CHUCHENQIZAIZHENGCHANGYUNXINGSHI,ZHUXXINGQIUFAJUNCHUZAIDAKAIWEIZHI,LVDAIDEGUOLVZULIKESUISHIZAICHAYAKONGZHIYISHANGXIANSHI,DANGCHAYAKONGZHIYISHANGXIANSHILVDAIGUOLVZULIGUODISHI,KEPANDINGYOUPOSUNBUDAI,RANHOUGUANDIAOSUOYOUDEXXINGQIUFA,ZAIZHUGEDAKAIMEIGEDANYUANSHIDEXXINGQIUFA,KEZHUNQUEDIFAXIANPODAIDEDANYUANSHI。

2)LIYONGUXINGYALIJIPANDINGFA

DANGCHAYAKONGZHIYIXIANSHILVDAIGUOLVZULIGUODISHI,KEZHIJIEGUANCHAUXINGYALIJI,PANDINGPODAIDANYUANSHI。

3)LIYONGMPaYALIBIAOPANDINGFA

DANGCHAYAKONGZHIYIXIANSHILVDAIGUOLVZULIGUODISHI,KEZHIJIEGUANCHAMPaYALIBIAOPANDINGPODAIDANYUANSHI。

4)LIYONGCHAYACHUANGANQIZHIJIEPANDINGFA

CHAYAKONGZHIYIKEZHIJIEXIANSHIPODAIDANYUANSHI,PANDINGLVDAIPOSUNWEIZHI。

PANDINGPODAIWEIZHIHOU,KEGUANBIPODAIWEIZHISUOZAIDANYUANSHIDELIXIANFAHEJINQIDIEFA,JINXINGBUTINGJIHUANDAIWEIXIU。

(4)JIELUN

MAICHONGDAISHICHUCHENQIQINGHUIXITONGCAIYONGDEDENGYAPENCHUIGUANHEQILIUPENSHEYOUXIAOJULIDEKONGZHI,SHITIGAOMAICHONGCHUCHENQIQINGHUIXIAOGUODEBAOZHENG,SHISHIXIANCHUCHENQIJINGJIYUNXINGDEYOULICUOSHI。

QUERENLVDAIPOSUNDESIZHONGFANGFA(SHOUDONGZHUANHUANCAOZUOFA、LIYONGUXINGYALIJIPANDINGFA、LIYONGMPaYALIBIAOPANDINGFAHELIYONGCHAYACHUANGANQIZHIJIEPANDINGFA),TOUZISHAO,ANZHUANGWEIXIUJIANDAN,CAOZUO、GUANCHAFANGBIAN,YONGHUKEGENJUSHIJIQINGKUANGJINXINGXUANZE。

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