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  JIEZHIFAZAIKAIBIGUOCHENGZHONGMIFENGMIANDEMOCHALIBIZHAFAXIAO,NAIMO,MIFENGXINGHAO,MIFENGMIANJIANMOCHALIXIAO,SHOUMINGJIAOZHANG,KAIQIGAODUXIAO,JIEGOUJIANDAN,ZHIZAOHEWEIXIUBIJIAOFANGBIAN,GONGZUOXINGCHENGXIAO,QIBISHIJIANDUAN,CHANGYINGYONGYUKONGZHIFADEFUXIANFAMEN。

    2012NIAN10YUE6RI,MOULIANYOUCHANG6000kt/aCHANGJIANYAKAIGONGGUOCHENGZHONG,YIBIAOXIAOYANCHANGYALURULUYUANLIAOXIANKONGZHIFAFV-4008B,JIEZHIQIEHUANWEIFUXIAN,GUANBIKONGZHIFAQIANHOUFAMEN,DAKAIFUXIANJIEZHIFA。DANGYIBIAOXIAOYANKONGZHIFAWANCHENGHOU,JIEZHIQIEHUANWEIYUANLIUCHENG,KAIQIKONGZHIFAQIANHOUFAMEN,GUANBIFUXIANFAMEN,ZAIGUANBIFUXIANFADEGUOCHENGZHONG,YUANLIAOYOUCONGPANGENCHULOUCHUQIHUO,JINGGEFANGNULI,JIANGHUOPUMIE。QIEDUANJINLIAO,GENGHUANSHIGUFAMEN,DUIGAIJIEZHIFAJINXINGLEJIETIFENXI。

    1 泄漏的阀门

    1.1 阀门技术参数见表1

BIAO1 FAMENDEJISHUCANSHU

  1.2 阀门结构见图1

    2 泄漏原因分析

    2.1 阀门解体检查情况

TU1 FAMENJIEGOU

    QIHUOSHIGUFASHENGHOU,DUIFAMENJINXINGLEJIETIJIANCHA,FAMENJIETIHOUFAXIANFAMENSHANGMIFENGZUODABUFENYIJINGXUANCHU(MIFENGZUOSHILUOWENLIANJIE),PANGENSHIQULEMIFENGYUJINLI,PANGENBEIJIEZHICHONGSHUAZOU,FAGANSHIQUMIFENGBAOHU,JIEZHIXIELOU,FASHENGHUOZAI,POSHIZHUANGZHITINGGONG,JINGGUOCELIANG,MIFENGZUOKONGYUFAGANDEPEIHEJIANXIWEI0.28mm,BIAOZHUNJIANXIYINGGAIWEI0.365~0.575mm,JIANTU2。    

TU2 JIETIHOUFAMENJIEGOU

 2.2 盘根泄漏的原因

    TONGGUOFAMENJIETIHOUJIANCHA,RENWEIZHUYAOSHIFAGANYUSHANGMIFENGZUODEJIANXIGUOXIAO,XIAOYUBIAOZHUNJIANXI,BIAOZHUNJIANXISHI0.365~0.575mm,ERFASHENGSHIGUFAMENDEJIANXIJINJINWEI0.28mm。GAOWENZHUANGTAIXIAFAGANYUSHANGMIFENGZUOREZHANGZHANSI,YINSHANGMIFENGZUOSHIZHENGXIANGLUOWEN,FAMENKAIQIGUOCHENGZHONGLUOWENXIANGSHANGJINFANGXIANGXUANZHUAN,LUOWENYUELAIYUEJIN,MIFENGXINGNENGJIAQIANG,SUOYIKAIFAGUOCHENGZHONGPANGENBUHUIXIELOU。ZAIFAMENGUANBIGUOCHENGZHONG,LUOWENXIANGSONGKAIFANGXIANGXUANZHUAN,YINSHANGMIFENGZUOYUFAGAIMEIYOUHANJIE,SHANGMIFENGZUOTONGFAGANYITONGXIANGXIAYIDONG,FAGANYUSHANGMIFENGMIANTUOLIFAZUO,JIANXIYUELAIYUEDA,FAMENPANGENYUJINLIXIAJIANG,DABUDAOMIFENGJIEZHIDEYAOQIU,BINGQIEPANGENBEIJIEZHICHONGSHUADIAO,FAMENSHIQULEMIFENG,JIEZHIFASHENGXIELOU,FASHENGZHEHUOSHIGU,FAMENPANGENXIELOUBUWEIJIANTU3。    

TU3 FAMENPANGENXIELOUBUWEI

    3 改进措施    

    (1)SHIGUFASHENGHOU,DUIXIANGTONGXINGHAODEFAMENJINXINGLECELIANG,FAGANYUSHANGMIFENGZUOJIANXIWEI0.30~0.40mm,DUI8GEKUCUNFAMENDESHANGMIFENGZUOJINXINGLEJIAGONG,KUODALENEIKONGKONGJING,JIANXIWEI0.65~0.70mm,BINGJIANGSHANGMIFENGZUOYUFAGAIJINXINGLEHANJIE,BIMIANGUANFASHISHANGMIFENGZUOXUANCHU,XIANCHANGANZHUANGBINGTOURUSHIYONG。DUIGENGHUANXIALAIDE7GEFAMENYOUCHANGJIAGENGHUANLESHANGMIFENGZUO,GENGHUANHOUJINGCELIANGSHANGMIFENGZUOYUFAGANJIANXIWEI0.58~0.70mm,SHIYAHEGEZUOWEIBEIYONG。

    (2)KAIGUANJIEZHIFAMENSHI,YONGLIPINGWEN,BUKECHONGJI,DANGFAMENQUANKAISHI,JIANGSHOULUNDAOZHUANSHAOXU,SHILUOWENZHIJIANYANJIN,YIMIANSONGDONGSUNSHANG。

    (3)JIAQIANGTIANLIAOHOUQIWEIHUBAOYANG,ZAIXUNJIANSHIYAOCHAKANZAITIANLIAOHANCHUYOUWUXIELOU,JIANCHAZHONGFAXIANDEWENTIYAOJISHIZUOJISHUXINGCHULI,FAGANYIDINGYAOBAOCHIQINGJIE,XUJIAZHURUNHUAYOUDETIANLIAO,TIANLIAOYAGAIJILUOSHUANDEBAOYANGYESHIFENGUANJIAN,YOUDEFUSHIXINGJIEZHIDUIQIYEYOUSUNHAI,DUIMEICIKONGZHIFADAXIU,MIFENGTIANLIAOJUNBIXUGENGHUAN,YAGAIJILUOSHUANSHIQINGKUANGERDING。

    (4)TIANLIAOBUNENGCHAOQISHIYONG,SHIYONGZHOUQIYAOKONGZHIZAIXIAOYUQIGONGZUOZHOUQI,ZHEIYANGKEYIZUODAOXINZHONGYOUSHU,YIBIMIANBUKEYULIAODEQINGKUANGFASHENG。

    4 结束语    

    DUI8GEFAMENJINXINGLEJIEGOUGAIZAOHOU,JINGGUO6GEYUEDEYUNXING,FAMENQINGKUANGYUNXINGLIANGHAO,ZHENGMINGFAMENGAIZAOSHICHENGGONGDE。GAIFAMENGAIZAOWEIZHUANGZHISHUNLITOUCHANJIESHENGLEDALIANGDESHIJIAN,TONGSHIYETISHENGLESHEBEIJISHURENYUANDUIFAMENJIEGOUDEJINYIBURENSHI,WEISHEBEIDEHOUXUGUANLITIGONGLEJINGYAN。

 

                                        BENWENZHUANZAIZIQUANQIUFAMENWANG,RUSHEJIBANQUANWENTIQINGSUYUWOFANGLIANXI。