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论文:电袋复合除尘器滤袋脉冲喷吹清灰过程研究

[2018-6-21] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

ZAILVDAIMAICHONGQINGHUIGUOCHENGZHONG,FENCHENTUOLUOZHUYAOSHIYOUYULVDAISHANGFENCHENCENGDEBIANXINGERYINQIDE。ZAIZHENGGEQINGHUIJILIZHONGMAICHONGPENCHUIXINGCHENGDELVDAIYALISHIZHUYAOQINGHUIJIZHI。MAICHONGPENCHUISHI,LVDAIYOUDAIKOUZHIDAIDILIANXUCHUXIANPENGZHANGBIANXING,YALIFENGZHICONGLVDAIKOUDAOLVDAIDIBUYICICHUXIAN,BINGQIECHUXIANDEXIANHOUSUILVDAIBUWEIDEBIANHUAERYOUSUOBUTONG。TONGGUOSHIYANDEFANGFADUILVDAIMAICHONGQINGHUIGUOCHENGPENCHUIGUANHELVDAISHANGDEYALIJINXINGYANJIU,GENJUSHIYANJIEGUOFENXIQIBIANHUAGUILV,GONGSHEJICANKAO。

GUANJIANCI:DAISHICHUCHENQI;MAICHONGPENCHUI;YALIFENBU;YALIFENGZHI;LVDAI

YINYAN

JINNIANLAI,GEGUODEGONGYESHENGCHANFAZHANFEICHANGXUNSU,GONGYEFENCHENPAIFANGLIANGZHUBUSHANGSHENG,DUIRENTIJIANKANG、DAQIHUANJINGJIYUNXINGSHEBEIDENGDOUHUICHANSHENGZHIJIEHUOJIANJIEDEYINGXIANG。SUIZHESHEHUIBUDUANDEJINBUHERENMENHUANBAOYISHIDETIGAO,DIANDAIFUHECHUCHENQIYIQIGAOXIAODECHUCHENXIAOLVZAIHENDUOGONGYEBUMENDEDAOLEGUANGFANDEYINGYONG。ZAIDAIQUZHONG,LVDAISHOUMING、YUNXINGZULISHICHUCHENQIDEZHONGYAOXINGNENGZHIBIAO,ZHEIXIEYINSUHAIHUIYINQICHUCHENXIAOLVDEJIANGDI,ERDAIQUCHUCHENQINGHUIXIAOGUODEHAOHUAIHUIZHIJIEYINGXIANGDAOLVDAISHOUMINGHEYUNXINGZULI。SUIZHECHUCHENJISHUDEFAZHAN,GEZHONGQINGHUIFANGSHIDEYOUSHENGLIETAI,MUQIANSHIYONGJIAODUODEQINGHUIFANGSHIWEIFANCHUIFENGQINGHUIHEMAICHONGPENCHUIQINGHUI,MAICHONGPENCHUIQINGHUIYIQIANGQINGHUINENGLI、GAOGUOLVSUDUHEDIYUNXINGZULIZAIDIANLI、SHUINI、YEJINDENGXINGYEDEDAOLEGENGGUANGFANDEYINGYONG。

MUQIANYANJIUQINGHUIXIAOGUODEFANGFAZHUYAOYOULIANGLEI,YILEISHISHIYANFANGFA,YIZHONGSHIJISUANJIMONI。JINXIENIANJISUANJIJISHUDEKUAISUFAZHANWEIJISUANJIMONITIGONGLEFANGBIAN,DANJISUANJIMONIYESHIJIANLIZAISHIYANJICHUSHANGDE,QIESHIYANDESHUJUGENGJUYOUKEXINXING。DAJIANMAICHONGPENCHUISHIYANTAI,YONGYUYANJIUPENCHUIGUOCHENGZHONGDEQINGHUIXIAOGUO。YISHIYANTAIWEIJICHU,FENXILELVDAIMAICHONGPENCHUIQINGHUIGUOCHENGZHONGPENCHUIGUANHELVDAISHANGDEYALIFENBUYIJILVDAINEIDEYALIFENGZHIDENGCANSHUDEBIANHUA,SHIYANJIEGUOJIKEYIYONGYUJISUANJISHUZHIMONICANKAO,TONGSHIDUIDIANDAIFUHECHUCHENQIDAIQUQINGHUIZHUANGZHIDEJIEGOUSHEJIHESHIJIYINGYONGQIDAOCANKAOHEZHIDAOZUOYONG。

1 实验装置

1.1 实验装置简介

LVDAIMAICHONGPENCHUIQINGHUISHIYANTAIGENJUGONGCHENGSHIJIYINGYONGDELVDAIZHANGDUAN1:1QUANCHICUNSHEJIDEZUOWEICHAOZHANGLVDAIMAICHONGPENCHUIQINGHUIYANJIUSHIYANPINGTAI,LVDAIZHANGDUGUIGEWEI8m~10m,ZHIJINGWEIφ160mm,PENCHUIGUANZHIJINGFENWEIφ89mm、φ108mm、φ114mmSANZHONGGUIGE,SHEJIWEIFENDUANFALANLIANJIEDEKEDIAOJIESHI,XINGPENCHUILVDAISHULIANGKEYIZAI14~35QUJIANANSHIYANTIAOJIANSHIJIXUYAOJINXINGXUANZE。ZAIBUTONGGUIGE、CANSHU、JIEGOUHESHIYANTIAOJIANXIATONGGUOGAISHIYANTAICESHIFENXIQINGHUIXINGNENG,ZAISHIYANGUOCHENGZHONGGENJUPENCHUILVDAISHULIANGXUANZEXIANGSHIYINGDEPENCHUIGUANZUHEANZHUANG,BUTONGGUIGEPENCHUIGUANFENBIEDUIYINGXIANGYINGKOUJINGMAICHONGFA。

TONGGUODUIGUONEIWAIGONGCHENGSHANGCHANGYONGGEZHONGPINPAI、GUIGEKOUJINGDEMAICHONGFA (3CUN、3.5CUN、4CUN、5CUN)SHEDING100ms、150ms、200msMAICHONGFADAOTONGSHIJIANYIJI0.25MPa、0.3MPa、0.35MPa、0.4MPa、0.45MPa、0.5MPaDEPENCHUIYALIJINXINGPENCHUICESHI,DUIYISHANGGECANSHUZUHEPIPEICAIJIFENXIXIANGGUANSHUJU,XUNZHAOGEXIANGZONGHEXINGNENGZHIBIAOJUNZUIYOUDEZUHE。

GAISHIYANPINGTAIZHUYAOYOUSHIYANTAIMOXINGBENTI、YALICHUANGANQI、JIASUDUCHUANGANQI、KONGYAJI、DIYAKONGZHIJU、ZHONGKONGJIHEJISUANJICAIYANGYUANCHENGKONGZHIJISHUZUCHENG,JIANLILEYITAOYUANCHENGZHONGDUANKONGZHIDELVDAIMAICHONGPENCHUIQINGHUIGUOCHENGYANJIUSHIYANXITONG。

CAIJIXITONGJIANGZIDONGHUOQUXIANGGUANSHIYANSHUJU,BAOKUOQIXIANG、CHUQIGUANPENCHUIQIANHOUDEYALIHEWENDU、DAQIYALI、HUANJINGWENDU、HUANJINGSHIDU、PENCHUIGUANNEIHELVDAINEIGECELIANGDIANYALI,YIJIZIDONGJISUANBIAOKUANGXIAPENCHUIHAOQILIANG。

SHIYITURUTU1、TU2SUOSHI,ZHIZAITONGGUOCESHILVDAISHANGDEYALIFENGZHIHEZUIDAFANXIANGJIASUDUDEFENBU,FENXIQINGHUIXIAOGUOZUIJIASUOYUNXUDELVDAIZUIDAZHANGDUJIPENCHUILVDAIDESHULIANG,YINGYONGYUGONGCHENGSHIJIZHIDAO,CONGERJIEYUECHENGBEN、JIANSHAOZHANDIMIANJI,TIGAODIANDAIFUHECHUCHENQIDEZHENGTIXINGNENG。

实验台喷吹系统示意图

1.2 实验方法与工况

BENCISHIYANSHIZAIPENCHUIGUANSHANGBUZHI10GEYALICHUANGANQI,LVDAISHANGBUZHI6GEYALICHUANGANQI,ZAIXIANGTONGGONGKUANGXIAMAICHONGFADUILVDAIPENCHUISHIYANTONGGUOANZHUANGZAICHUQIGUAN、QIXIANG、PENCHUIGUAN、LVDAISHANGDECHUANGANQIQUANMIANHUODEPENCHUILIANG、PENCHUIGUANNEIYALIFENBU、LVDAINEIYALIFENBUDENGSHUJU,JINGJISUANJIRUANJIANCHULIHOUHUODESHIYANJIEGUO,MEICICAIJI10ZUSHUJUJIPINGJUNZHI。

GENJUGONGKUANGYAOQIU,DUIMAICHONGPENCHUISHIYANTAIJINXINGDIAOZHENG,HUANZHUANGMOUPINPAI4CUNMAICHONGFAHE10mZHANGZHIJINGφ160mmLVDAI,JIANG14GEPENZUIHEGEZHONGSHULIANGPENZUIPENCHUIDUANGUANZUHEDUIJIECHENG28GEPENZUIPENCHUIGUAN,PENCHUIGUANZONGZHANGDU7313mm,ZHIJINGφ114mm。PENZUIZHANGDU50mm,ZHIJINGφ26mm,ZAIPENCHUIGUANHEDI1~28TIAOLVDAISHANGBUZHIYALICHUANGANQI,KAOJINMAICHONGFAYICEDELVDAIBIANHAOWEI1,YANPENCHUIGUANQILIUFANGXIANGLVDAIBIANHAOYICIWEI2DAO28。GECANSHUSHEDINGZHI:MAICHONGKUANDU150ms、PENCHUIYALI0.35MPa,CAIYANGSHIJIAN1s,QIZHONGPENZUILIANGCEKAIKONG,ZUOYONGSHIYOUDAOYINSHEPENZUIWAIMIANDEKONGQI,TIGAOQINGHUIXIAOGUO。

2 喷吹量及压力分布研究

2.1 喷吹压力与喷吹量关系的测试

XIAMIANYIMOUPINPAI4CUNMAICHONGFA,PENCHUIGUANZHIJINGWEIφ114mmTIAOJIANXIA,ZAIMAICHONGFADAOTONGSHIJIANSHEDINGWEI150msSHIWEILIJINXINGSHIYAN,QITACANSHUTIAOJIANBUBIANDEQINGKUANGXIA,CELIANGLEPENCHUIYALI0.25~0.5MPaQUJIANMAICHONGFAPENCHUISUOXIAOHAODEYASUOKONGQITIJI,SHIYANDECHU:PENCHUILIANGYUPENCHUIYALICHENGXIANXINGGUANXI,JUTISHUZHIJIANBIAOGE1。

BIAO1 MOUPINPAI4CUNMAICHONGFAZAIMAICHONGKUANDUWEI150msGEPENCHUIYALIXIAYASUOKONGQIDEPENCHUILIANG

表1 某品牌4寸脉冲阀在脉冲宽度为150ms各喷吹压力下压缩空气的喷吹量

2.2 喷吹管内压力分布

PENCHUIGUANNEIYALIFENBUQUSHITONGGUOBUZHIZAIPENCHUIGUANSHANGDE10GEYALICHUANGANQICEDIANHUODE,WEIZHIBUZHIRUTU3SUOSHI,SHIXINJIANTOUSUOZHIWEIZHIWEICHUANGANQIANZHUANGWEIZHI,CHUANGANQIANZHUANGYUPENZUITONGXIN。

YIZHAOSHIYANGONGKUANG,CAIJI10ZUSHUJUQIUPINGJUNZHIZUOWEICANKAOSHUJU,RUTU3BUZHITONGGUO10GECEDIANDEYALIQUXIANTUKEDEDAOYIXIASHUJUHEJIELUN

表1 某品牌4寸脉冲阀在脉冲宽度为150ms各喷吹压力下压缩空气的喷吹量

TU3 CHUANGANQIWEIZHIBUZHISHIYITU

QILIUYALIZHIDIDAGECAIJIDIANYONGSHIYICIWEI0.029s、0.030s、0.031s、0.032s、0.036s、0.042s、0.044s、0.046s0.048s、0.050s,CONGCEDIANCAIJISHUJUXIANSHIYALIDAODASHIJIANQUSHIYANQILIUFANGXIANGCHENGXIANXINGZHUJIANZENGDA。QILIUCONG1HAOPENZUIYIDONGDAOJULI7000mmCHUDE28HAOPENZUIHAOSHIYUE22ms,TONGGUOJISUANQILIUPINGJUNSUDUYUE320m/sZUOYOU。

QILIUYALIFENGZHIDIDAGECAIJIDIANYONGSHIYICIWEI0.084s、0.083s、0.082s、0.078s、0.072s、0.067s、0.065s、0.063s、0.061s、0.059s,CONGCEDIANCAIJISHUJUXIANSHIYALIFENGZHIDAODASHIJIANQUSHIYANQILIUFANGXIANGZHUJIANJIANXIAO。QITIJINRUPENCHUIGUANHOUGAOSUSHELIU,SHUNJIANDIDAWEIBU,ZAIQILIUCONGQIXIANGLIUXIANGPENCHUIGUANWEIBUDEZHENGGEGUOCHENGZHONGSHOUYASUOFANCHONGPENGZHANGHOU,ZHUJIANJIANGDONGNENGZHUANBIANWEIYALINENG,CISHIQITIYANZHEPENCHUIQILIUFANFANGXIANGYUNDONG。PENGZHANGQITICONGWEIBUFANHUIDAODI1GEPENZUISUOHAOSHIYUE22ms。

CAIJIDIANQILIUYALIFENGZHIYICIWEI0.181MPa、0.184MPa、0.186MPa、0.190MPa、0.193MPa、0.197MPa、0.199MPa、0.201MPa、0.206MPa、0.211MPa,CONGCEDIANCAIJISHUJUXIANSHIYALIFENGZHIYANQILIUFANGXIANGCHENGXIANXINGZHUJIANSHANGSHENG。SHOUPENCHUIGUANWEIBUFENGBANYINGXIANG28GEPENZUICHUDEQILIUYALIFENGZHIYANQILIUFANGXIANGZHUJIANZENGDA。DI28GEPENZUIYUDI1GEPENZUIDEYALIFENGZHIBIJIAOCHAZHIYUE+0.023MPaZUOYOU。SHIYANJIEGUOBIAOMINGKAOJINPENCHUIGUANWEIBUQIDUIYINGDELVDAIQINGHUILIDUJIAODA。

2.3 滤袋内压力峰值分布

ZAISHIYANCHUQI,WEILENENGGENGZHUNQUEDECELIANGLVDAISHANGDEYALIFENBUZHUANGKUANG,SHOUXIANZAI1HAOLVDAISHANGJIAOMIJIDEKAI40GEKONGYONGYUANZHUANGYALICHUANGANQIJINXINGSHIYAN,ZHAOCHULEYALIFENGZHIQUXIANDE3GEGUAIDIANFENBIEWEIDAOLVDAIKOUJULI455mmCHU(YALIZUIDAZHI)、7815mm(YALIZUIXIAOZHI)、9945mm(LVDAIDIBUYALISHANGSHENGWEIJIAODAZHI),ZAIZHEI3GEGUAIDIANJICHUSHANG,ZAILVDAISHANGFENBU6GECEDIAN,CEDIANWEIZHIRUTU4SUOSHI。

图4 10m滤袋测点位置示意图(mm

TU4 10mLVDAICEDIANWEIZHISHIYITU(mm)

1HAOLVDAIDAO28HAOLVDAIFENBIEZAIRUTU4SUOSHIDELILVDAIKOU455mm、2615mm、4165mm、7815mm、9165mm、9945mmWEIZHIBUZHICESHIDIANANZHUANGYALICHUANGANQI。SHIYANDECHU:YALIFENGZHIDEZUIDAZHIDOUCHUXIANZAIDI1GECEDIANCHU(JULVDAIKOU455mm),YALIFENGZHIDEZUIXIAOZHIDOUCHUXIANZAIDI4GECEDIANCHU(JULVDAIKOU7815mm);CONGDI1GECEDIANDAODI4GECEDIAN,YALIFENGZHIZHUJIANJIANXIAO,CONGDI4GECEDIANDAODI6GECEDIAN,YALIFENGZHIZHUJIANZENGDA,YINCICONGLVDAIKOUZHIXIA,YALIYUELAIYUEXIAO,ZHIDAODIBU,QITIJIYA,YALILVEWEISHANGSHENG。28GELVDAISHANGXINGCHENGDEYALIFENBUZHENGTIQUSHIJIBENSHIYIZHIDE,CONGDI1HAOLVDAIZHIDI28HAOLVDAIYALIZHIYOUZENGDAQUSHI,TU5WEI1HAO、28HAOLVDAIYALIFENBUQUXIANDUIBITU,ZHEIHEPENCHUIGUANSHANGYALIFENBUYANQILIUFANGXIANGZHUJIANZENGDADEQUSHISHIYIZHIDE。

TU5 1HAODAI、28HAODAIYALIFENBUDUIBI

FENXISHUJUHEQUXIANKEZHI,ZAIJULVDAIKOU400~2600mmCHU,MAICHONGQILIUSUDUBIJIAODA,CHONGFENPENGZHANG,CICHUDEYALIBIANHUAFEICHANGJULIE,YALIFENGZHIJIAODA,DAYUEZAI3.5~12kPaZHIJIAN。JULVDAIKOU2600mmZHILVDAIDIBUCHU,MAICHONGQILIUZHUJIANSHUAIJIAN,YALIFENGZHIZHUJIANJIANXIAO,YALIFENGZHIWEI1.2~3.5kPa,YALIBIANHUABIJIAOHUANMAN,ZAI7815mmFUJINDADAOZUIXIAOZHI1.2~1.8kPa,YOUYUDAODALVDAIDIBUDEQITISHOUYAPOBINGFANCHONG,7815mmZHIHOUYALIKAISHISHANGSHENG,ZHILVDAIDIBUSHIYALIZHIWEI1.9~2.1kPa,CICHUDEMAICHONGQILIUSUDUHENXIAO,YALISUIRANYOUSUOSHANGSHENG,DANYALIQUXIANBIANHUAYIFEICHANGPINGHUANLE。YINCITONGCHANGCAIYONGYALIFENGZHIZAILVDAISHANG、ZHONG、XIABUDEFENBUZHUANGKUANGLAIPANDUANLVDAIDEQINGHUIXIAOGUODEHAOHUAI。

3 结论

(1) JIEZHUYUXIANYOUDESHIYANTAIMOXING,MONIYUGONGCHENGXIANCHANGXIANGTONGDEGONGKUANGXIA,CELIANGLEMAICHONGPENCHUIQINGHUIGUOCHENGZHONGPENCHUIGUANHELVDAISHANGDEYALIBIANHUAGUILV,KEYIZHIDAOJISUANJISHUZHIMONI。

(2)QITIJINRUPENCHUIGUANHOUGAOSUSHELIU,SHUNJIANDIDAWEIBU,ZAIQILIUCONGQIXIANGLIUXIANGPENCHUIGUANWEIBUDEZHENGGEGUOCHENGZHONGSHOUYASUOFANCHONGPENGZHANGHOU,ZHUJIANJIANGDONGNENGZHUANBIANWEIYALINENG,PENGZHANGQITIYOUPENZUIGAOSUSHECHU,YOUDAOZHOUWEIKONGQIXINGCHENGSHELIUQILIUDAODALVDAI,ZAILVDAINEIXINGCHENGJINGXIANGFANCHUIQILIUJINXINGQINGHUI。

(3) YANQILIUFANGXIANGPENCHUIGUANSHANGCEDIANYALIZHIYOUJINDUANDAOYUANDUANZHUJIANSHANGSHENGBIANDA,ERLVDAISHANGYALIZHIQUXIANQUSHITONGYANGCHUXIANXIANGSIGUILV。

(4) YALIFENGZHIYOUDAIKOUZHIDAIDIYICICHUXIAN,LVDAINEIWAIYACHAJIJUBIANHUA,SHIDEYUANBENXIFUZAILVDAIBIAOMIANDEFENCHENCENGTUOLUO。WEIYULVDAIKOUDESHANGBUWEIZHIYALIDA,QINGHUILIDUDA,SUIZHEMAICHONGQILIUZHUJIANSHUAIJIAN,YALIYESUIZHIJIANXIAO。YINQITIZAILVDAIDIBUSHOUYAPOBINGFANCHONG,YINCIZAIJULILVDAIDIBUDAYUE2200mmDEWEIZHIYALICHUYUZUIDIDIAN,ERBUZAIZUIDIBU。

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