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堵水气囊在供水管道施工中的试用

作者:气囊 来源:goalclix.com 发表时间:2010-3-31 10:35:13 浏览:次  

摘要  为了在新老管道割接和管道抢修时尽量缩小停水范围、减少停水时间,宁波市自来水工程建设有限公司就气囊堵水法在供水管道施工的应用,成立课题小组,通过实验与传统作业方法进行比较,论证气囊堵水法在供水管道上应用的可能性和实用性。

1  QIANYAN

    CHENGSHIGONGSHUIGUANWANGDEANQUANWENDINGYUNXINGSHIXIANDAIGONGSHUIQIYEDEYIGEZHONGYAOMUBIAO。RANERXINLAOGUANDAOGEJIEHEGUANDAOQIANGXIUJINGCHANGXUYAOJIAODAMIANJIDETINGSHUI,YINGXIANGZHENGGEGONGSHUIGUANWANGDEANQUANWENDINGYUNXING。RUHEZAIXINLAOGUANDAOGEJIEHEGUANDAOQIANGXIUSHIJINLIANGSUOXIAOTINGSHUIFANWEI、JIANSHAOTINGSHUISHIJIAN,SHIYIGEPOQIEXUYAOJIEJUEDEWENTI。

    DANGGUANWANGFASHENGBAOGUANDESHIHOU,GENJUMUQIANDEJISHUTIAOJIAN,ZHUYAOCAIYONGQUYUXINGTINGSHUIWEIXIUDEFANGFA。ZAIBAOGUANQUYUSHISHITINGSHUIHOU,PAIGANGUANWANGZHONGDECUNSHUI,RANHOUZAIXIUBUPOSUNGUANDAO。DANSUIZHESHIYONGSHIJIANDEYANZHANG,XUDUOFAMENYOUYUSHOUGUANDAONEIDEZAZHIHUOFAMENLAOHUADENGYINGXIANG,YIBUNENGWANQUANBEIGUANBI(RU:FACAONEICHUXIANYIWU,FAMENSIGANYINXIUSHIBUNENGJIANGFABANWANQUANJIANGLUOZHIFACAOWEIZHIDENG),ZAOCHENGZHISHUISHIJIANZENGJIAHUOZHEGANCUIXIULOUDIDUANBUNENGWANQUANZHISHUI,ZHIJIEDAOZHISHIGONGKUNNAN。YOUYUXIULOUDIDUANDABUFENCAIYONGGANGGUANQIANGXIUHUOZHESHUINIDAKOUDECAOZUOFANGSHI,GUOGAODECANYUSHUIYAHUOZHEBUJIANDUANDELIUSHUIHUIJIQIANGXIUDAILAIJUDADEYINGXIANG,ZHINENGTONGGUOKUODATINGSHUIDEFANWEILAIBAOZHENGSHIGONGDEZHENGCHANGJINXING。JINNIANLAIYOUYUBUNENGWANQUANZHISHUIZAOCHENGDETINGSHUISHIJIANYANZHANGSHIJIANLVYOUFASHENG,JIQIYEDAILAILEXUDUOBULIDESHEHUIYINGXIANG。

    JIYUZHEIZHONGXIANXIANG,GUONEIWAISHIGONGQIYEFENFENCAIYONGXINJISHULAIKEFUZHEIYIKUNNAN,QINANGDUSHUIZUOYEJIUSHIQIZHONGDEYIZHONG。ZAIGUONEI,YOUXIESHIZHENGGONGSIHEZILAISHUIGONGSIYIJINGCAIYONGZHEIZHONGJISHU,SHOUDAOLEYIDINGDECHENGXIAO。ZHENDUIQINANGDUSHUIFAZAIGONGSHUIGUANDAOSHIGONGDEYINGYONG,WOMENZHUANMENCHENGLIKETIXIAOZU,TONGGUOSHIYANYUCHUANTONGZUOYEFANGFAJINXINGBIJIAO,LUNZHENGQINANGDUSHUIFAZAIGONGSHUIGUANDAOSHANGYINGYONGDEKENENGXINGHESHIYONGXING。

气囊堵水的工作原理

    QINANGDUSHUIDEGONGZUOYUANLIJIUSHILIYONGYOUZHIXIANGJIAOZUOCHENGDEQINANGTONGGUOCHONGQIFANGFASHIQIPENGZHANG,DANGQINANGNEIDEQITIYALIDADAOGUIDINGYAOQIUSHI,QINANGTIANMANZHENGGEGUANDAODUANMIAN,LIYONGQINANGBIYUGUANDAOCHANSHENGDEMOCALIDUZHULOUSHUI,CONGERDADAOMUBIAOGUANDUANNEIWUSHENSHUIDEMUDE。

     BENCISHIYANCAIYONGLESHANXIMOUGONGSIYINJINDEDEGUOSHENGCHANDEQINANG。MEIYIZHONGKOUJINGDEQINANGDOUYOULIANGZHONGXINGHAO,FENBIEWEIYOUDAOLIUKONGHEWUDAOLIUKONG。DANGGUANDAONEIYALIJIAOXIAOSHICAIYONGWUDAOLIUKONGDEQINANG,ERDANGGUANDAONEIYALIJIAODASHI,CAIYONGYOUDAOLIUKONGDEQINANG。DAOLIUKONGDEZUOYONGJIUSHIWEILEJIANSHAOYINLOUSHUIDAILAIDEMIFENGGUANDUANNEIYALIGUOGAOERCHANSHENGDEBUANQUANYINSU。

3  SHIYANBUZHOUJINEIRONG

3.1  DUSHUIZUOYEQIANZHUNBEIGONGZUO

(1)LEJIEGONGZUOGUANDUANDESHUILIUZHUANGKUANG,SHANGYOUSHUILIULAIYUANJIGUANWANGFENBUQINGKUANG,GEZHIXIANGUANDAOLAIYUANJISHUILIULIANGQINGKUANG、ZUOYEKOUCHICUN。

(2)YUGUANDAODIAODUBUMENXIEDIAO、SHANGYI、YUDINGTINGSHUI、DUSHUI、DIAOSHUIDEFANGAN。BAOKUOSHUIFENLIUFANGAN,XIANGGUANBENGZHANSHUIYAKONGZHI,ZHIGUANFENGDUFANGFA。SHIYONGQIJUQINGDAN,ZHIDINGANQUANFANGHUCUOSHI。

(3)GENJUSHIGONGGUANDUANDEGUANDAOKOUJING,ZHIZUOXIANGYINGDEGANGZHIFALANSANTONG(GAISANTONGDEYONGTUSHISHIGONGJIESHUHOUQINANGDECHUKOU),ZHUNBEIXIANGYINGKOUJINGDEFALANMENBAN。

3.2    QINANGDUSHUIZUOYE

    YOUYUWOMENCAIGOULEYIGEYOUDAOLIUKONGHEYIGEWUDAOLIUKONGDEQINANG,DIYICISHIYANZAIDN600mmKOUJINGDEGUANDUANNEISHIXING,CAIYONGWUDAOLIUKONGQINANG。DIERCISHIYANZAIDN200mmKOUJINGDEGUANDUANNEISHIXING,CAIYONGYOUDAOLIUKONGQINANG。GONGZUORENYUANPEIDAIFANGHUMIANJUHEANQUANBAOHUYONGJU,YOUZHUANRENZAIDIMIANJIANHU。

3.2.1  DN600GUANDAOSHIYAN

(1)    CELIANGQINANGJINRUDEGUANDAOZHIJING,QUEBAOCHICUNZAIQINANGDESHIYONGFANWEINEI。

(2)    ZAICHARUQINANGZHIQIAN,QINGJIEQINANGQIWAIBUYIJIQINANGJIJIANGJINRUDEGUANDAONEIBU。

(3)    JIANGQINANGDEYIDUAN(DAIYOUQIZUIDEYIDUAN)YONGQIANYINSHENGLAZHU,MANMANJIANGQINANGFANGRUGUANDAO,FANGRUGUOCHENGZHUYIGUANKOU,BIMIANSUNHUAIQINANG。ZAIJIQINANGCHONGQIZHIQIAN,YINGJIANGQIWANQUANCHARUGUANDAOZHONG,CHARUQIGUAN,LIANJIEHAOQIYABIAOHEQIBENG。

(4)    QIDONGQIBENG,KAISHICHONGQI,HUANMANDAKAIYALIKONGZHIBIAODEQIFA,CHONGQIYALIKONGZHIZAIYALIBIAODEHONGSEQUWAIDEANQUANQUYUNEI。GUANCHAQINANGDECHONGQIZHUANGKUANG,QUERENCHONGQIZHUANGTAIKAISHIHOU,GONGZUORENYUANCHELI。QUEBAOZAICHONGQIQIJIANWURENZAIGUANDAOFUJIN。

(5)    LAJINQIANYINSHENG,JIANGSHENGZAIZHENMUSHANGBANGZHALAOGU

(6)    TONGGUOYALIKONGZHIBIAO,GUANCHAQINANGQIYASHUJU,DANGQINANGQIYADADAOJISHUGUIDINGSHUJUSHI,GUANBIQIYAKONGZHIFAMEN,CHONGQIJIESHU。

(7)    CHONGQIJIESHUHOU,20FENZHONGNEIYALIKONGZHIBIAOBAOCHIYUQIGUANLIANJIE,GUANCHAQINANGYALIDESHUJUBIANHUAQINGKUANG,YIQIEZHENGCHANG,JIKEKAISHIGUANDAOSHIGONGZUOYE。

(8)    GUANDAOFENGDUYIJIQITAZUOYEZHONG,PAIZHUANRENJIANSHIJIANCHAQINANGDEQIYA,YUZUOYEXIANCHANGRENYUANBAOCHILIANGHAOWENDINGDETONGXUN,YUYOUYIQINGJISHIBAOGAO,QUEBAOZUOYERENYUANDEANQUAN。

(9)    ZHICI,ZHENGCHANGZHUANGTAIDEDUSHUIZUOYESHIYANYIJINGQUANBUWANCHENG,JINRUPOHUAIXINGCAOZUOSHIYAN。SHIYANQIAN,ZAICIJIANCHAZUOYEDUANFUJINYOUMEIYOURENYUAN;YOUYUBENCISHIYANDEGUANDUANFAMENGUANBILIANGHAO,JINYOUSHAOLIANGDEYUSHUI,WEILEMONIYIHOUSHIGONGZHONGCHUXIANDEBUJIANDUANLIUSHUIZHUANGKUANG,WOMENJIANGLAISHUIFANGXIANGDEFAMENDAKAILEYIDIAN,GUANDAONEIKAISHIJINSHUI。

(10)5FENZHONGHOU,QINANGCHUXIANHUADONGXIANXIANG,DANGJIGUANBILAISHUIFAMEN,POHUAIXINGSHIYANJIESHU。

3.2.2  DN200GUANDAOSHIYAN

(1)CELIANGQINANGJINRUDEGUANDAOZHIJING,QUEBAOCHICUNZAIQINANGDESHIYONGFANWEINEI。

(2)ZAICHARUQINANGZHIQIAN,QINGJIEQINANGQIWAIBUYIJIQINANGJIJIANGJINRUDEGUANDAONEIBU。

(3)JIANGQINANGDEYIDUAN(DAIYOUQIZUIDEYIDUAN)YONGQIANYINSHENGLAZHU,MANMANJIANGQINANGFANGRUGUANDAO,FANGRUGUOCHENGZHUYIGUANKOU,BIMIANSUNHUAIQINANG。ZAIJIQINANGCHONGQIZHIQIAN,YINGJIANGQIWANQUANCHARUGUANDAOZHONG,CHARUQIGUAN,LIANJIEHAOQIYABIAOHEQIBENG。YONGDN50mmRUANGUANJIERUDAOLIUKONG,JIANGRUANGUANDELINGYITOUJIERUPAISHUIJING。YIXIASHIYANBUZHOUHEDIYICISHIYANXIANGTONG,ZHENGCHANGWANCHENGLESHIYANDEDIYIBUFEN。

(4)JINRUPOHUAIXINGSHIYANHOU,JINGUANDAKAILELAISHUIFAMEN,DANYOUYUDAOLIUKONGDECUNZAI,LIUSHUISHUNLIDITONGGUOPAISHUIRUANGUANPAIDAOLEPAISHUIJING,QINANGWEIFASHENGHUADONGXIANXIANG。

3.3.3  CHAICHUQINANG

(1)CHAICHUQIAN,QUERENGUANDAONEIMEIYOUQITARENYUANZAIZUOYE。JIANCHAQIANYINSHENG,BIXULAJINSHUANLAO。

(2)DAKAIFAMENFANGQI。

(3)FANGQIGUOCHENGZHUYIGUANCHASHUIWEIBIANHUAHEQIANYINSHENGQINGKUANG。BIYAOSHIYONGBENGCHOUGUANDAOZHONGDESHUI,YIJIANGDIQINANGDEHOUBUYALI。FOUZE,YOUYUSHUIDEYALI,QINANGHENKENENGHUATUO。

(4)GUANCHAQIYABIAO,QUERENQINANGHUIFUYUANZHUANG,CHAICHUQINANG。

(5)TONGGUOYUXIANZHIZUOHAODESANTONGKOUJIANGQINANGYONGQIANYINSHENGLACHU,ZHUYIBAOHUQINANG,BIMIANHUASHANGBIAOMIAN。

4  SHIYANJIEGUOFENXI

4.1  ZHENGCHANGDUSHUIZUOYEFENXI

    ZHENGCHANGDEDUSHUIZUOYEZHONG,WANQUANANZHAOCHANGFANGTIGONGDECAOZUOGUICHENGCAOZUO。YOUYULIANGCISHIYANQUANBUSHIZAIWUSHUIZHUANGTAIXIAJINXING,SHUNLIWANCHENGCHENGLECAOZUOCHENGXU,WEIFASHENGYIWAIQINGKUANG,CONGKAISHIDUSHUIZHIZHENGCHANGDUSHUIJIESHU,SHIJIANKONGZHIZAI45FENZHONGZHINEI。YOUYUQINANGDUSHUIYINGYONGSHIZAIYOULIUSHUIZHUANGKUANGXIAJINXING,YINCI,CIZHONGZHUANGKUANGXIADECAOZUOZHISHIYANZHENGLEQINANGDUSHUIZUOYECHENGXUDEKECAOZUOXINGYIJIQINANGDUSHUICAOZUOSUOXUYAODESHIJIAN,WUFAZHENGMINGZAIFUZADESHIJIQINGKUANGXIA,QINANGNENGFOUZHENGCHANGGONGZUO。

4.2  POHUAIXINGSHIYANFENXI

    WEILEMONIXIANCHANGBUJIANDUANLOUSHUIDESHIJIQINGKUANG,WOMENZAILIANGCISHIYANZHONGFENBIEDAKAILELAISHUIFAMEN,JIANYANYOUDAOLIUKONGHEWUDAOLIUKONGLIANGZHONGQINANGZAICHIXUBUDUANDELOUSHUIZHONGBUFASHENGYIDONGDEKENENGXING。CONGSHIYANDEJIEGUOZHONG,WOMENKEYIKANDAO,WUDAOLIUKONGDEQINANGZAIGUANNEIYALIDIYU0.1MPaSHI,QINANGNENGBUFASHENGYIDONG,QIEDULOUQINGKUANGLIANGHAO,WEIFAXIANYOULOUSHUIQINGKUANG。DANDANGGUANNEIYALIDAYU0.1MPaSHI,SUIZHEYALIZHUJIANZENGGAOZHIZIYOUSHUIYA,QINANGZAIYALIDEZUOYONGXIAKAISHIFASHENGYIDONG,YEJIUSHISHUOQINANGDUSHUIDEXIAOGUOMEIYOULE。YOUYUGONGSHUIGUANDAOSHIYOUYAGUANDAO,DANGFASHENGLOUSHUISHI,MIFENGGUANDUANNEIDEYALISUIZHESHIJIANDETUIYIBIRANHUIHEZIYOUYALIXIANGTONG,ERGUANDAOWEIXIUSHIGONGWANGWANGHUICHIXUJIGEXIAOSHI,ZAIZHEIDUANSHIJIANNEIMIFENGGUANDUANNEIDEYALIZAOYICHAOGUOLE0.1MPa,YINCIWEIQUEBAOSHIGONGDEANQUANHEKECAOZUOXING,WUDAOLIUKONGDEQINANGHENNANZAIDEGONGSHUIGUANDAOZHONGSHIYONG。

    ERZAIYOUDAOLIUKONGDEQINANGSHIYANZHONG,YOUYUDAOLIUKONGDECUNZAI,TONGGUODAOLIUKONGDEPAISHUIZUOYONG,YOUXIAODIJIANGDILEQINANGYUZHISHUIFAMENZHIJIANGUANDAOBUDUANZENGJIADEYALI,BAOZHENGLEWEIXIUGUANDUANDEWEIXIUSHIJIAN,SHIDEZUOYERENWUNENGYOUXIAOWANCHENG。ZAISHIJISHIGONGZHONG,TONGGUOPAIWUKOUHEXIAOFANGFAMENDEJIANYA,LOUSHUIYIBANBUHUICHAOGUODN50mmKOUJINGDELIULIANG,ERDAOLIUKONGDEZHIJINGWEIDN50mm,GANGHAONENGDIXIAOBUDUANZENGJIADESHUIYA,YINCIDAIYOUDAOLIUKONGDEQINANGZAIGONGSHUIGUANDAOSHANGSHIYOUSHIYONGJIAZHIDE。

5  JIELUNHEJIANYI

    CONGZHENGCHANGDUSHUIZUOYEHEPOHUAIXINGSHIYANDEJIEGUOLAIKAN,DAIDAOLIUKONGDEQINANGZAIZHENGCHANGDECAOZUOCHENGXUXIA,TONGGUOXIANGYINGDEJIANYACUOSHI,NENGHENHAODIZAIGONGSHUIGUANDAO(YOUYAGUANDAO)QIDAOYINGYOUDEZUOYONG,WEIWUFAWANQUANGUANBIZHISHUIFAMENDEGONGSHUIQUYUTIGONGLEXINGZHIYOUXIAODEZUOYEFANGFA,JUYOUZAIGONGSHUIGUANDAOSHIJIYINGYONGZHONGTUIGUANGDEJIAZHI。BUDAIDAOLIUKONGDEQINANGWUFASHIYINGMIFENGGUANDUANNEIBUDUANZENGJIADEYALI,YINCIBUSHIHEZAIGONGSHUIGUANDAOZHONGYINGYONG,DANZAIWUYAGUANDAO(RUXIASHUIGUAN,YUSHUIGUAN)ZHONG,YOUYUMIFENGGUANDAONEIMEIYOUYALIBUDUANZENGJIADEKENENGXING,YINCIKEYISHIYONG。

    ZONGGUANQINANGSHIYONGDEZHENGGEGUOCHENG,YUCHUANTONGDEDUSHUIZUOYEXIANGBI,ZENGJIADECAILIAOBAOKUOGANGZHISANTONGYIGE,FALANMANGBANYIPIANYIJIXIANGYINGDELUOSIDENGFULIAO,DUIYUGONGSHUIQIYELAISHUO,ZHEIDIANZENGJIADEFEIYONGYUDAFUDUJIANSHAOZHISHUISHIJIANDAILAIDEJINGJIXIAOYIHESHEHUIXIAOYILAISHUO,SHIWEIBUZUDAODE。ERQIE,RUGUOSHIYONGHEBAOYANGDEDANG,QINANGNENGZHONGFUSHIYONGDUOCI,TADECHENGBENNENGXIANGYINGDIFENTANDAOGECIGEJIEHEQIANGXIUZHONG,YINCICONGJINGJIJIAODULAISHUO,YEZAIKEYIJIESHOUDEFANWEINEI。

    TONGGUOSHIYANWOMENDUIQINANGZAIGONGSHUIGUANDAOSHIGONGDEYINGYONGYOUYIXIAJIANYI:

(1)KAOLVDAOQINANGDECHENGBEN,DUIQINANGDEBAOYANGJUYOUFEICHANGDADEJINGJIYIYI。ZAISHIGONGZHONG,BIXUQINGCHUGUANDAONEIDESHIKUAI、TUQIDENGJIANRUIWUTI。ZUOWEIQINANGCHUKOUDEYUZHISANTONG,JIEKOUHENEIBUBIXUPINGHUA,QUEBAOSHIGONGGUOCHENGZHONGQINANGBUBEIHUASHANG,YILIQINANGDEZHONGFUSHIYONG。

(2)WEIBAOZHENGQINANGNENGFAHUIYINGYOUDEZUOYONG,ZAIDUSHUIZUOYESHI,QINANGYUZHISHUIFAMENZHIJIANDEMIFENGGUANDUANYAOZHUYIJIANYA,RUDAKAIPAIWUFA、XIAOFANGFADENG,QUEBAOMIFENGGUANDUANNEIDEYALINENGTONGGUODAOLIUKONGDEZUOYONGBUHUISHENGGAO。

(3)WEIQUEBAOSHIGONGDEANQUAN,QINANGDEBEIDUANZHENGMIANYANJINZHANREN,YIFANGSHIGUDEFASHENG。

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