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威美转电除尘产生火花放电的原因分析及解决方法

[2018-8-31] 点击:

湿电咨询服务: 陶经理18332815001 张经理18633235200

ZUOZHE |YANGYU NEIMENGGUDATANGGUOJITUOKETUOFADIANYOUXIANZERENGONGSI

ZHAI    YAO:TONGGUODUIDIANCHUCHENDIANCHANGZAILENGTAIDAIDIANCHANGSHENGYAHEZHENGCHANGYUNXINGZHONGCHUXIANDEHUOHUAFANGDIANHUOPINFANSHANLUOJINXINGYUANYINFENXI,ZHUXIANGPAICHUCHANSHENGHUOHUADEKENENGBUWEI,TONGSHIGENJUDIANCHUCHENSHIJIYUNXINGGONGKUANGJIDIANCHANGYUNXINGCANSHUBIANHUAPANDUANCHUKENENGCHANSHENGDEYUANYIN,TICHUDIANCHUCHENDIANCHANGCHANSHENGHUOHUAFANGDIANDESHEBEIYOUHUA、GAIJIN、DINGQIJIANCHAJIZHONGDIANZHUYISHIXIANGDENGJIEJUEBANFAHEYUFANGCUOSHI,JIANGDIDIANCHUCHENDIANCHANGCHUXIANHUOHUAFANGDIANDEGAILV,QUEBAODIANCHUCHENZHANGSHIJIANKEKAO、WENDING、GAOXIAODEYUNXING。

GUANJIANCI:DIANCHUCHEN; HUOHUA; JUEYUANZI; YANGJIBAN; MANGCIXIAN; ZUNIDIANZU;

QIANYAN:SUIZHEHUODIANCHANGYANQICHAODIPAIFANGGAIZAODEBUDUANSHENRU,YANQIPAIFANGXIAOSHIJUNZHIZAIXIANSHUJUYAOQIUYUELAIYUEYANGE,ZHEIJIUYAOQIUHUANBAOSHESHIBIXUCHUYUBAIFENBAIKEKAOYUNXINGZHUANGTAI,SUOYIDIANCHUCHENDIANCHANGDEYUNXINGWENDINGXINGDUIYUFENCHENCHAODIPAIFANGZHIGUANZHONGYAO。ERDIANCHUCHENDIANCHANGCHANSHENGHUOHUAFANGDIANSHIYANZHONGKUNRAOLEDIANCHANGWENDINGDEYUNXING,SHENZHICHUXIANDIANCHANGTUIBEI,DAOZHIDIANCHUCHENCHUCHENXIAOLVJIANGDI。YINCI,BIXUDUIDIANCHUCHENDIANCHANGZAILENGTAIDAIDIANCHANGSHENGYAHEZHENGCHANGYUNXINGZHONGCHUXIANDEHUOHUAFANGDIANHUOPINFANSHANLUOJINXINGYUANYINFENXI,ZHUXIANGPAICHUCHANSHENGHUOHUADEKENENGBUWEI,TONGSHIGENJUDIANCHUCHENSHIJIYUNXINGGONGKUANGJIDIANCHANGYUNXINGCANSHUBIANHUAPANDUANCHUKENENGCHANSHENGDEYUANYIN,TICHUDIANCHUCHENDIANCHANGCHANSHENGHUOHUAFANGDIANDESHEBEIYOUHUA、GAIJIN、DINGQIJIANCHAJIZHONGDIANZHUYISHIXIANGDENGJIEJUEBANFA,JIANGDIDIANCHUCHENDIANCHANGCHUXIANHUOHUAFANGDIANDEGAILV,QUEBAODIANCHUCHENZHANGSHIJIANKEKAO、WENDING、GAOXIAODEYUNXING。

1 火花放电的原理及现象

DIANCHUCHENQISHILIYONGZHILIUFUGAOYASHIQITIDIANLI、CHANSHENGDIANYUNFANGDIAN,JINERSHIFENCHENHEDIAN,BINGZAIQIANGDIANCHANGLIDEZUOYONGXIA,JIANGFENCHENCONGQITIZHONGFENLICHULAIDECHUCHENZHUANGZHI,ZHILIUFUGAOYATONGGUOGAOYAGELIKAIGUANJUJIERUYINJIXITONG,YINJIXITONGYIKAODIAOGUAZHUANGZHIXUANGUAZAIYANGJIBANZHONGJIAN,DIAOGUAZHUANGZHIYUZHICHENGGANGLIANGJIANCAIYONGCIPING、JUEYUANBANJINXINGJUEYUAN。YINJIZHENDAGUDINGZAIYINJIKUANGJIASHANG,YEDAIYOUGAOYAZHILIUFUDIAN,YUWAIBUCHUANDONGZHUANGZHIYIKAO、CIZHOU、JUEYUANBANJINXINGJUEYUAN。YANGJIZHIJIEXUANGUAZAIYUCHUCHENQIBENTIXIANGLIANDECHENDIANLIANGSHANG,YUCHUCHENQIQIAOTIYIQIKEKAOJIEDI。ERHUOHUAFANGDIANBUTONGYUDIANYUNFANGDIAN,ZAIDIANCHANGTOUYUNDEGUOCHENGZHONG,DANGGAOYAYINRUTOURUGAOYAZHILIUDIANDADAOMOUYIGEDIANYAFENJIEDIAN,DIANCHUCHENYINJIJIUHUISHUNJIANFASHENGHUOHUA,YINYANGJIJIANJUJICHUAN,BINGBANYOUJUXIANGDEFANGDIANSHENGYINJIHUOHUASIJIAN,YANZHONGDEHUAXIANGDANGYUYINYANGJIJIETONG,ZAOCHENGYANGJIBANSHAOCHUAN。CONGDIANCHUCHENSHANGWEIJIKONGZHIHUAMIANKEYIKANDAO,ERCIDIANYAHEERCIDIANLIUSHUNJIANXIAJIANG,JIUDIBIAOJIPINFANBAIDONG,HUOHUALVXIANSHISHUZI,YIBANDEHUOHUAFANGDIANHUIJIANGDIANYADIANLIUCANSHUXIANZHIZAIYIDINGDEFANWEINEI,RUGUOYANZHONGDEHUAZHIJIEYINQIDIANCHANGTUIBEI。

2 火花产生的原因分析

2.1 烟气和粉尘特性方面的因数

DIANCHUCHENSHIGENJURANSHAOMEIZHONGJIGUOLUYUNXINGGONGKUANGJINXINGSHEJIANZHUANGDE,GUIDINGLEQISHIYONGDEMEIZHONG(BAOKUOHANLIULIANG、SHUIFEN、HUIFENDENG)、GUOLUPAIYANWENDU、YANQILIANG、SHIDU、FENCHENHANLIANGJIFENCHENTEXINGDENG,DANGGUOLURANSHAOMEIZHONGFASHENGBIANHUAJIGUOLUSHIJIYUNXINGGONGKUANGPIANLISHEJICANSHUJIAODASHI,JIANGHUICHUXIANDIANCHUCHENYUNXINGDEBUSHIYING,RONGYICHUXIANDIANCHANGHUOHUAFANGDIANDEQINGKUANG。YANQIXINGZHIZHUYAOQUJUEYURANMEIDECHENGFEN,YEHEGUOLURANSHAOFANGSHI、ZHIFENXITONGXINGSHIJIQIYUNXINGCAOZUOTIAOJIANYOUGUAN。FENCHENDEXINGZHIZHUYAOQUJUEYUFENCHENDEHUAXUECHENGFEN、WUXIANGJIEGOU、LIHUATEXINGHEFENCHENNONGDU、BIDIANZU、LIJINGFENBUJIXINGZHUANG、DAXIAO、MIDU、ZHANFULIDENG。RANSHAOHOUPAICHUDEYANQIZHONGDOUHANYOUYIDINGDESHUIFEN,ZHEIDUIDIANCHUCHENQIDEYUNXINGSHIYOULIDE。YIBANYANQIZHONGSHUIFENDUO,CHUCHENXIAOLVJIUGAO。RUGUOYANQIZHONGSHUIFENGUODA,SUIRANDUIDIANCHUCHENQIDEXINGNENGBUHUIYOUBULIYINGXIANG,DALIANGSHUIZHENGQISUIZHEFENCHENDEHEDIANCHENJIZAISHOUCHENJIBANSHANG,YOUYUHANSHUILIANGDAFENCHENZHANFUXINGFASHENGBIANHUA,BIANDEYUELAIYUEBUYIZHENDAQINGLIDIAO,SHIJIHUIYUELAIYUEHOU,YIJIJUBIANXIAO,CHANSHENGHUOHUAFANGDIAN,HUICENGFASHENGJUBUDIANLI,YANZHONGYINGXIANGDIANCHANGZHENGCHANGYUNXING。

2.2 电除尘本体方面的因数

(1) 极板、极线变形间距变小,发生放电:在运行中,当灰斗满灰不能及时排掉,出现阳极板膨胀受阻,极板局部弯曲,异极距变小;当阳极板振打杆受阻时,在振打的过程中,阳极板下夹板发生弯曲导致阳极板排整体弯曲,异极距变小;阳极板排的连接卡槽损坏,相邻的阳极板彼此不成整体,由于阳极板较长较薄,刚性不足,容易发生弯曲,异极距变小;阴极线膨胀距离受阻,极线变形,异极距变小;阴极线线体刚性不足发生局部弯曲变形,异极距变小;阴极芒刺线刺尖大量弯折,放电间距变小;阴极螺旋线紧力下降,发生松弛摆动,局部间隙变小。

(2) YINJIXIAOKUANGJIAJUBUBIANXINGHUOYIWEI,FASHENGFANGDIAN:ZAIYUNXINGZHONG,YOUYUYINJIXIAOKUANGJIACHENGSHOUYINJIZHENDADEZHENDALI,YINJIZHENDAZHANGSHIJIANYUNXING,CHUXIANXIAOKUANGJIAJUBUBIANXING,YANGJIBANYUYINJIKUANGJIAJIANJUBIANXIAO;YINJIXIAOKUANGJIALIANJIEGANJUBUKAIHANHUODUANLIE,ZAOCHENGKUANGJIAYUJIBANJIANJUBIANXIAO:GEBIEYINJIDIAOGUAGANXIACHEN,DAOZHIYINJIKUANGJIAZHENGTIXIANGMOUYIGEFANGXIANGPIANYI,ZHENGTIYIJIJUBIANXIAO。

(3) YANGJIBANXIANWEISUNHUAIHUOTAIDI,JIBANPAICHUCAO,ZAIYUNXINGZHONGYANGJIBANZHENDAGANZHANGSHIJIANSHOUZHENDAXITONGDEZHENDALI,QIEWANGFUDEZUOHUOSAIYUNDONG,LIANGCEDEXIANWEIBANZHANGSHIJIANJIECHUMOSUNDIAOHUOKAIHANDIAOLUO,JIBANPAIXIABUXIANGLIANGCEBAIDONG,YOUSHIHUIYUYINJIXITONGJIECHUFASHENGZHIJIEDUANLU;DANGHUIDOUFASHENGMANHUISHI,JIHUIDAODAJIBANPAI,JIBANPAIPENGZHANGSHOUZU,SUIZHEJIHUIYUELAIYUEDUO,JIBANPAIHUIBEIJIHUIDINGCHUCAO,CHUXIANHUOHUAFANGDIANHUOZHIJIEDUANLU。


2.3 供电及控制部分方面的因数

(1) JUEYUANZISUNHUAIHUOJIHUIYANZHONG,FASHENGPADIANFANGDIAN:JUEYUANCITAOHECIZHOUYONGLAIZHICHENGHEJUEYUANFANGDIANXITONG,YUNXINGZHONG,CITAOBIAOMIANWANGWANGHUICHENJIYICENGHUICHENHEWUWU,JUEYUANSHUIPINGJIANGDI,ZAIGAODIANYAZUOYONGXIA,FASHENG“PADIAN”XIANXIANG,BINGJICHUANFANGDIAN。ZHANGQIDEFANGDIANYOUZAOCHENGFANGCHENBANMIANTANHUA,YIZHIDIANCHANGDIANYAPINFANSHANLUO,BUNENGZAIGAODIANYAYUNXING;JUEYUANCITAOHEJUEYUANCIZHOUZHANGSHIJIANYUNXING,TONGSHIYOUYUSHICHENGYAJIANHUICHUXIANLIEWENHUOSHIJIEZHIDUANLIE,JUEYUANXINGNENGJIANGDAOZUIDI,DIANCHANGFANGDIANYANZHONG。

(2) JUEYUANZIJIAREQIBUJIAREJILOUFENGJIELU,DAOZHIFANGDIAN:ZHEIZHONGQINGKUANGYIBANFASHENGZAIDIANCHANGJIANXIUHOU,TIANQIWENDUJIAODI,JUEYUANZIJIAREQISUNHUAIBUJIAREHUOBUJIARE,JUEYUANZIWENDUDI,JUEYUANBUJIANBIAOMIANSHUIQININGJIE,JUEYUANYANZHONGXIAJIANG,FASHENGFANGDIAN;DANGRENKONGMEN、DIANJIAREQIJIWENDUCELIANGZHUANGZHIDENGANZHUANGCHULOUFENGYANZHONG,KEZAOCHENGYUSHUIZHIJIEQINRUJUEYUANZISHI,GAOYAJUEYUANZIJIYINJIZHENDACIZHOUBIAOMIANSHOUSHUIQIWURANFASHENGPADIAN;JUEYUANZISHIWENDUZAIYANQIWENDUDISHIZHUYAOKAODIANJIARE、REFENGJIAREBAOCHI,ZAIYANQIWENDUSHANGLAIHOUZEZHUYAOKAOYANQISUOXIERELIANGBAOCHI。JUEYUANZISHIDEDAXIAODUIWENDUDESHENGGAOJIBAOCHIYINGXIANGHENDA。

(3) ZUNIDIANZUGUZHANG;DANGZUNIDIANZUSIFASHENGJUBUDUANLIEHUOYOULIEWENSHI,TOURUDIANCHANGHUIFASHENGJULIEFANGDIAN;ZUNIDIANZUSHIXIAOHUOJINLIXIAJIANGFASHENGSONGCHI,TOUYUNDIANCHANGHUIFASHENGFANGDIAN。

3 电场发生火花的解决方法

3.1 严格控制烟气和粉尘特性

WEILEXIAOCHUYINMEIZHONGFASHENGBIANHUAERYINGXIANGDIANCHUCHENQIDECHUCHENXIAOLV,ZAICHUCHENSHEBEIXITONGYUNXINGZHENGCHANGDEQINGKUANGXIA,MEITAODIANCHUCHENQIZHISHAOYINGJINXINGYICIZHENDUIDIANXINGMEIZHONGDETEXINGSHIYAN,YIQUEDINGMEIZHONG、GONGDIAN、ZHENDADUIDIANCHUCHENQIXIAOLVDEZONGHEYINGXIANG,ZHAOCHUDIANCHUCHENQIDEZUIJIAYUNXINGFANGSHI。TONGSHIGENJUSHIJIRANSHAOMEIZHONGDEHUIFENHANLIANGDAXIAO,ZHIDINGHESHIDEZHENDAZHOUQI,FENFUHEDUANSHEDINGZHENDAZHOUQIJIZHENDASHIJIAN。YOUQISHIDANGYIDIANCHANGFASHENGDIANCHANGTUIBEISHI,ERDIANCHANGDEZHENDAZHOUQIYAOJISHIJINXINGDIAOZHENG,YINWEIYIDIANCHANGTUIBEI,ERDIANCHANGDESHOUCHENYALIZENGJIA,XIANGDANGYUERDIANCHANGSHOUJI85%YISHANGDEHUILIANG,RUGUOZHENDAZHOUQIHAISHIYUANYOUZHOUQIDEHUA,YANGJIBANJIHUIYANZHONGDEBUDAOJISHIQINGLI,HUICHUXIANYANZHONGDEHUOHUAFANGDIAN,BUJINSHOUCHENXIAOGUOBUHAO,HAIRONGYIFASHENGERCIYANGCHEN,SUOYI,ERDIANCHANGZHENDAZHOUQIYAOJISHISUODUAN。ZHENGCHANGRANSHAOMEIZHONGHANSHUILIANGBUHUIHENDA,PIANCHADEDAXIAOYEBUHUIYINGXIANGDIANCHANGYUNXING。MUQIANYANQIZHONGHANSHUILIANGMINGXIANZENGDADEZHUYAOSHIKONGYUQIZAIXIANSHUICHONGXI,KONGYUQISHUICHONGXIMEIXIAOSHI20DUODUNDESHUILIANG,TONGGUOYANQIGAOWENZHENGFA,YANQIZHONGSHUIZHENGQIJIAOZHENGCHANGYUNXINGGAOCHUHENDUOBEI。YANQIZHONGDESHUIZHENGQIYUFENCHENHUNHESHOUJIDAOYANGJIBANSHANG,ZHANFUXINGQIANGBUYIZHENDAQINGLIDIAO,SUOYIGAOYAZAIXIANSHUICHONGXIYIYANZHONGWEIXIEDAODIANCHUCHENDEZHENGCHANGYUNXING。KEXINGDEJIEJUEFANGFAJIUSHI,JINLIANGGAODEZENGJIAPAIYANWENDU,YANQIJINRUDIANCHUCHENHOUJINKENENGDEGAOYULUDIANWENDU,BIMIANNINGJIESHUIDECHANSHENG,TONGSHIDANGKONGYUQIZAIXIANGAOYASHUICHONGXISHI,JISHIDIAOZHENGDIANCHANGZHENDAZHOUQI,DIANCHANGCANSHUJIANGDIANYADIANLIUYUNXING,BIMIANJIBANJIXIANZHANHUITAIDUO,YINQIHUOHUAFANGDIAN。

3.2 提高电除尘本体检修质量及运行可靠性

ZAIDIANCHUCHENJIANXIUZHONGJIAQIANGJIANXIUZHILIANGDEGUANLI,YINJIMANGCIXIANHELUOXUANXIANZHONGDIANJIANCHAKAIHAN、WANQU、MANGCIWANQUDEQINGKUANG,ZHUGEJINXINGJIANCHAXIAOZHENGJIAGU,DUIJIANCHAZHONGFAXIANQIANGDUJIANGDIDE,YANZHONGSUNHUAIDEWUFAXIUFUDEBIXUJINXINGGENGHUAN,DUIYIN、YANGJIJIANJUJINXINGDIAOZHENG,BINGJILUDIAOZHENGQIANHOUDECELIANGJIEGUO;YANGJIBANYAOZHUPAIJINXINGJIANCHA,JIBANWANQUDEJINXINGXIAOZHENG,ZHENDAGANZHENDASHOUZUBIANXINGDECAIQUYOUXIAOCUOSHIXIAOCHUBIMIAN。LOUFENGBUJINHUIZENGJIADIANCHUCHENQIDEYANQICHULILIANG,ERQIEHUIYOUYUWENDUXIAJIANGCHUXIANLENGNINGSHUI,YINQIDIANYUNXIANJIEHUIFEIDA,JUEYUANTAOGUANPADIAN,CHUXIANHUOHUAFANGDIAN。ZHUYAODUIDIANCHUCHENBENTIQUANBURENKONGMENJINXINGLOUFENGJIANCHA,GENGHUANPANGEN;DUIDIANCHUCHENYANGJIZHENDACHUANQIANGZHOUMIFENGPANGENQUANBUJINXINGGENGHUAN,PANGENGENGHUAN3QUAN,MEIYIQUANXIANGCHA45°JIAO;DUIDIANCHUCHENJUEYUANZIJIARECITAO、DALIANGJIAREHEYINJIZHENDACIZHOUCHULOUFENGJINXINGXIANGXIPAICHA,LOUFENGDIANJINXINGCHULI。

4 结束语

TONGGUODUIDIANCHANGHUOHUAFANGDIANHUOPINFANSHANLUODEYUANYINFENXI,ZHAOCHUSUOYOUKENENGCHANSHENGHUOHUAFANGDIANDEYINSHUHESHEBEIBUWEI,TONGSHIGENJUDIANCHUCHENSHIJIYUNXINGGONGKUANGJIDIANCHANGYUNXINGCANSHUBIANHUAPANDUANCHUKENENGCHANSHENGDEYUANYIN,TICHUDIANCHUCHENDIANCHANGCHANSHENGHUOHUAFANGDIANDESHEBEIYOUHUA、GAIJIN、DINGQIJIANCHADENGDEJIEJUEBANFAHEYUFANGCUOSHI,JIANGDIDIANCHUCHENDIANCHANGCHUXIANHUOHUAFANGDIANDEGAILV,QUEBAODIANCHUCHENZHANGSHIJIANKEKAO、WENDING、GAOXIAODEYUNXING。

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