風機出口門反饋消失一次風機跳閘

一、?事件發生時間:2007年12月24日

二、?事件發生時工況:

JIZU168XIAOSHISHIYUNDILIUTIAN,GUOLULIANGTAOSONG、YINFENGJI,YICIFENGJIYUNXING,LIUTAIMOYUNXING,JIZUFUHE618MW,XIEDIAOTOURU;QIZHONGAYICIFENGJIYOUYUDONGXIEDIAOJIEJIGOUGUZHANG,YIJIANGDONGXIEGUDINGZAI61%WEIZHI(HANSI);ZAISHIGUYUANZHONGYAOQIUJIANGAYICIFENGJISUOYOUBAOHUJIECHU。GUOLUWEIDONGGUOQIANHOUQIANGDUICHONGRANSHAOFANGSHI。

三、?事件發生、擴大及處理情況:

10SHI59FEN47MIAO, BYICIFENGJITIAOZHA(SHOUCHUWEIBYICIFENGJICHUKOUMENKAIFANKUIXINHAOXIAOSHI),CHUFAGUOLURBDONGZUO,#2、#4MOXIANGJITIAOZHA,ZIDONGCENGTOUA、FCENGDIANHUOYOUQIANG。

ZAIGUOLUJIANGFUHEZENGTOUQITAYOUQIANGGUOCHENGZHONG,YICIFENGYAKUAISUJIANGDIZHI5.6kpaZUOYOU,YUNXINGRENYUANLIJISHOUDONGTINGZHI#3、#5MOMEIJI,JIEGEISHUIZIDONGKUAISUJIANGDIGEISHUILIANG,DANGGEISHUILIULIANGDA1369t/hSHI,11SHI01FENZHI11SHI06FENZHUQIWENDUYOU564℃KUAISUJIANGZHI359℃;TOURUE2、C3QIDONGYOUQIANG。

YOUYUZHUQIWENDUXIAJIANGJIAOKUAI,ZAI11SHI01FENHE11SHI03FENLIANGCIQIDONGBYICIFENGJI,JUNYOUYUCHUKOUMENDABUKAIZAOCHENGYICIFENGJITIAOZHA, 11SHI04FENJIANPANZHUZHIJINJITINGZHIAQIDONGGEISHUIBENGYUNXING,GEISHUILIULIANGZUIDIJIANGZHI670t/h,FUHEJIANGZHI216?MW。YOUREKONGRENYUANQIANGZHITIAOJIANZAIJIUDIXIANDAKAICHUKOUMEN,HOUQIDONGBYICIFENGJIYUNXINGZHENGCHANG,ZAITOURU#5MOYUNXING。ZHI11SHI06FENZHUQIWENDUCAIKAISHIHUANMANSHANGSHENG,ZUIHOUFUHEWENDINGZAI300MWDAYUE50FENZHONGHOU,ZHUJIANSHENGZHI605MW。

四、?事件原因及擴大原因分析:

1.?ZHIJIEYUANYINFENXI:

BYICIFENGJICHUKOUMENKAIFANKUIXINHAOXIAOSHI,DAOZHIBYICIFENGJITIAOZHA。

2.?GENBENYUANYINFENXI:

a)?MEIYOUWANQUANCAINASHIYUNZHIHUIBUDEYIJIANJIANGA、BYICIFENGJIDESUOYOUBAOHUTUICHU,YOUYUBAOHUXINHAOWUFAYINQIDONGZUO。

b)?YOUYUDIAOSHIGUOCHENGZHONGPAZHUANSUSHENGJIANGGUOKUAIYINQIQIDONGGEISHUIBENGTIAOZHA,ZHUANSUDIAOJIESULVYOU600rpmGAIWEI300rpm,ZAOCHENGJIANSHUIJIAOMAN,ZHISHIZHUQIWENDUJIANGDIGUOKUAI;ZAIJIASHANGBYICIFENGJICHUKOUMENDABUKAI,CAIQUXIANKAIMENHOUQIDONGFENGJI,ZHISHIYICIFENGYAJIANGDIZHI3.26kpa,LUNEIRANSHAOBIANRUO,SHIDEZHUQIWENDUJISUXIAJIANG。

五、?事件暴露出的問題:

1.?YUNXINGRENYUANJISHUSHUIPINGYOUDAIYUTIGAO,DUISHIGUCHULINENGLIBUZU,DANGYICIFENGJITIAOZHASHIMEIYOUGUODUANTINGZHIYITAIQIBENGYUNXING。

2.?ZAISHIGUYUANZHONGYAOQIUJIANGA、BYICIFENGJISUOYOUBAOHUJIECHU,DANSHIZUIZHONGMEIYOUSHISHICIFANGAN,FENGXIANYUKONGCUOSHIBUWANSHAN,ZHIXINGBUCHEDI。

3.?REGONGRENYUANHEXIANGGUANZHUANYERENYUANDUILUOJISHENCHABUYANJIN,MEIYOURENZHENKAIZHANWEIXIANDIANFENXI,DAOZHICUNZAIYICIFENGJICHUKOUMENKAIFANKUIXINHAOXIAOSHITIAOFENGJIBUHELILUOJI。

4.?ZAISHEBEICHUYUFEIZHENGCHANGFANGSHIYUNXINGSHI,YUNXINGRENYUANMEIYOUZUOHAOSHIGUYUXIANGDAOZHIZHUZHENGQIWENDUTUJIANG。

六、?防范措施:

1、?JIANGBYICIFENGJICHUKOUFENGMENQIEZHIJIUDISHOUDONG,JIECHUSUOYOUFENGJICHUKOUMENLIANTIAOFENGJITIAOJIAN。

2、?SHENRUYOUHUAREKONGLUOJI。JIZU168XIAOSHISHIYUNJIESHUHOU,GENGGAIFENGJITIAOZHALUOJI。ZAIFENGMENKAIFANKUIXIAOSHITIAOFENGJILUOJIZAIYUSHANGFENGJICHUKOUFENGYABISUO。

3、?CHULIYICIFENGJITIAOZHARUGUOGEISHUIJIANGSUGUOHUAN,YINGGUODUANJINJITINGZHIYITAIQIBENGYUNXING。

4、?JINKUAICHAZHAOBYICIFENGJICHUKOUMENKAIFANKUIXINHAOXIAOSHIWUFADEYUANYINBINGJISHIXIAOCHU。

5、?ZAICHULIYICIFENGJITIAOZHASHIGUSHIYINGGAIFANGZHIYICIFENGYADAFUDUBODONG。CIGONGKUANGDUILURANSHAOYINGXIANGTEBIEHENDA,CONGERJIADASHIGUCHULIDENANDU。

6、?SHENGCHANZHUNBEIGUOCHENGZHONG,ZAIRENYUANPEIXUNFANGMIANYINGGAIJIAQIANGCHULIYINGJISHIJIANNENGLIDEPEIXUN,ZUOHAOFANSHIGUYANLIANHESHIGUYUXIANG。