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阀门知识
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闸阀异常升压的危害与三大防护措施
发布时间:2019-09-13   点击次数:305次

     前言

    ZHAFATONGCHANGYOUDANZHABAN、SHUANGZHABAN、XIESHI、PINGXINGSHIDENGJIEGOUSHEJI,QIZHONGXIESHISHUANGZHABAN(Z42、Z62XILIE)JIXIESHIDANXINGZHABAN(Z40、Z60XILIE)YINGYONGZUIWEIGUANGFAN,QIANZHEGUANBISHIZHABANZIDONGWENHELIANGCEFAZUO,ZIDONGBUCHANGXIEJIAODEJIAGONGWEIZHIWUCHA;HOUZHEZEYIKAOZHABANZHONGBUDEDANXINGCAO,KAOFAGANDEZHOUXIANGTUILIBUCHANGXIEJIAODEJIAGONGWEIZHIWUCHA,LIANGZHEJUNDADAOJIAOHAODEMIFENGXIAOGUO。ZHENGSHIYOUYUQISHUANGCEDEYOULIANGMIFENG,ZAIMOUXIECHANGHEHUICHANSHENGZHONGQIANGYALIYICHANGSHENGGAOXIANXIANG,JIDANGGAOWENGAOYALIUTI(YETIHUOQITI)BEIFENGDUYUFAMENZHONGQIANGSHI,RUOSHANGYOUCE(JIANTU 1)LIUTIWENDUSHENGGAO,ZHONGQIANG(JIANTU 1)LIUTIHUIBEIRECHUANDITONGBUSHENGGAO,YOUYUZHONGQIANGXIUJIWUFAKUODA,FENGDUZHONGQIANGLIUTIYOULENGTAIBIANWEIRETAISHI,YETIKENENGXUNSUQIHUA,DAOZHIYALIJIJUSHENGGAO,ZENGGAODEYALICHANGCHANGSHIJIHEJISHU。

闸阀异常升压的危害与三大防护措施.png

    TU 1 ZHONGQIANGYICHANGSHENGYASHUOMING

足球彩票     FAMENCHAOYAGONGZUODEHOUGUOSHISHIFENYANZHONGDE。FAMENZHONGQIANGYICHANGSHENGYASHI,QICHENGYAJIANJIQIBIJIANDEGONGZUOYINGLI(RUFAGANJIZHABANJIADESHIYONGYINGLI)JUNHUIJIJUZENGJIA,QUDONGJIGOUDEQUDONGLIHUIBUKANZHONGFU,SHENZHIWUFAQIDONG,YANZHONGSHIFAGANLADUAN、ZHABANJIADUANLIE、DIANJISHAOHUAI,ZHEIXIEXIANXIANGZAIXUDUOGAOYADAKOUJINGZHAFAZHONGLVJIANBUXIAN,BUSHAOYONGHUCHANGCHANGBAOYUANZHEISHIZHABAN“YAOSI”,QISHI“YAOSI”DEZHENSHIYUANYINCHANGCHANGSHIZHONGQIANGDEYICHANGSHENGYAZHEIYI“YINXINGSHASHOU”。

    DIANXINGDEANLIRU Z962Y XILIEXIESHUANGZHABANZHAFAYUNYONGYUHUODIANCHANGJISHUIXITONGJIQIPANGLUSHI,ZHEILEIFAMENYIBANXIANZAILENGTAIZUOSHUIYASHIYANHOUGUANBI,DANGJIZUQIDONGSHIXITONGWENDUSHENGGAODAO 250~300℃ SHI,YOUYUWENDUJIJUSHENGGAO,FENGBIZHONGBUDELENGTAISHUIWENHUITONGBUJIJUSHENGGAOQIHUA,SHILIUTITIJIZENGDA,YALISHENGGAO,CISHIRUOYAOKAIQIFAMENYAOMEQUDONGLIJUZUGOUDA,YAOMEFAGANZUJIANQIANGDUZUGOUGAO,FOUZECHANGCHANGCHUXIANFAGANDUANLIE、ZHABANJIADUANLIE、ZHABAN T XINGCAOKAIHUA、DUANLIE,SHIJISHUIBENGWUFAQIDONG,DAOZHIYANZHONGDETINGLUTINGJISHIGU。

    2 YICHANGSHENGYADEWEIHAI

    YICHANGSHENGYADEXINGCHENGZAIXUDUOZHAFADEYINGYONGCHANGHEHUIJINGRENXIANGSIDIFASHENG,YINWEIQIFASHENGDELIANGDAYAOSUZAIXUDUOGONGYEXITONGSHIXIANGSIDE,JIXITONGJIEZHIZAIKAIJIHOU,YOULENGTAIBIANRETAI;ZHABANZAILENGTAIGUANBI,RETAISHIKAIQI。YINERRUOBUDUIXITONGCAIQUCUOSHI,YICHANGSHENGYADUIXITONGDEPOHUAIJIHUSHIWUFABIMIANDE,QIYOU 3 FANGMIANWEIHAI:

    (1)DUIFAMENBENSHENDEPOHUAI

    阀门壳体、阀盖及阀杆零件的强度一般以阀门的公称压力设计其强度,异常升压时,其开启压力会成倍提高,导致相关零件的使用应力成倍升高,当材料实际应力超过许用应力时,高应力部位会产生断裂破坏,导致阀门足球彩票无法开启,阀门整机将损坏或报废。

足球彩票     (2)DUIXITONGANQUANDEPOHUAI

    XIANERYIJIAN,QIAOTI、FAGAIDENGCHENGYAJIANCHAOYASHISHIFEICHANGWEIXIANDE,YIDANCHAOYAQIBORUOBUWEIHUOXUHUIXIANFASHENGCHUANKONG,YINQIJIEZHIWAILOU;QITIANLIAOJIZIMIFENGQUANBUWEIWANGWANGHUIBEIGAOYALIUTICHONGCHU,YINQIJIEZHIDALIANGWAILOU。DANGJIEZHISHIGAOWENQITI、YOUDUQITI、YOUHAIQITISHIHUIGENGJIAYANZHONG,SHENZHIHUIZAOCHENGSHEBEIYURENYUANDESHANGHAI。

    (3)DUISHENGCHANKONGZHILIUCHENGZAOCHENGJUDASUNSHI

    FAMENDEZHENGCHANGQIBISHIGELEIGONGYELIUCHENGKONGZHIDEGUANJIAN,YIDANZHEIZHONGKONGZHIWUFASHIXIANSHI,XITONGTANHUANXUTINGJIJIANXIU,ZHEIJIANGHUIZAOCHENGJUDADEZHIJIEHUOJIANJIESUNSHI。

足球彩票     3 FANGHUCUOSHI

    CONGSHEJI、ANZHUANG、DIAOSHIDENGFANGMIANRUSHOU,CONGGENBENSHANGXIAOCHUZHONGQIANGYICHANGSHENGYASHIWANQUANYOUKENENGDE,GUINACHANGYONG 3 TAOFANGANGONGGUANGDAYONGHUCANKAO:

足球彩票     (1)FAMENNEIBUKAISHEXIEYAKONG

足球彩票     JIEJUEZHONGQIANGYICHANGSHENGYADEGENBENSHIPINGHENGZHONGQIANGYALI,KAISHEXIEYAKONGSHIZUIJINGJIYOUXIAODEFANGAN,TU 2 SUOSHIFENBIEWEIZAISHANGYOUCEZHABANJIJINKOUCEFAZUOWAIYUANKAISHELEXIEYAKONG,DANGZHONGQIANGYALISHENGGAOSHI,ZHONGQIANGYALIHUIZIDONGXIANGSHANGYOUCEXIEFANG,SHIZHONGBAOCHIZHONGQIANGYALIYUSHANGYOUCEYALIXIANGDENG,CONGERBIMIANYICHANGSHENGYADEFASHENG。

闸阀异常升压的危害与三大防护措施1.png

    TU 2 FAMENNEIBUKAISHEXIEYAKONG

足球彩票     (2)FAMENANZHUANGWAIPANGLUXIEYA

足球彩票     DUIYICHUCHANGDEFAMENKECAIYONGANZHUANGSHIWAIPANGLUJIWAISHEXIEYAFAJIANGDIZHONGQIANGYALI,RUTU 3 SUOSHI。

闸阀异常升压的危害与三大防护措施2.png

    TU 3 FAMENANZHUANGWAIPANGLUXIEYA

    CAIYONGWAISHEDAIJIEZHIFADEPANGLULIANTONGZHONGQIANGYUSHANGYOUCE,DANGZHUZHABANGUANBIHOUJIEZHIFAKEGUANBI(SHIZHONGQIANGWENDUBIANHUAQINGKUANG,GUOGAOSHIXUKAIQI)。DANGKAIQIZHUZHAFASHI,YINGXIANXINGKAIQIPANGLUJIEZHIFA,JIANGDIZHONGQIANGYALIHOUZAIQIDONGZHUZHAFA。

    (3)FAMENWAIBUANZHUANGZHUANYONGXIEYAFA

闸阀异常升压的危害与三大防护措施3.png

    TU 4 FAMENANZHUANGZHUANYONGXIEYAFA

    TU 4 SUOSHIWEIZAIZHAFAZHONGQIANGWAISHEXIEYAFAKONGZHIYALIFANWEI,SHEDINGXIEYAFADEPAIFANGYALIWEIZHUFAMENDEEDINGGONGZUOYALI,DANGZHONGQIANGCHAOYASHI,ZIDONGPAIFANGDAOSHEDINGYALI,CONGERWEIHUZHUZHAFADEANQUANYUNXING。

闸阀异常升压的危害与三大防护措施4.png

    TU 5 XIEYAFADEJIEGOUSHEJI

    TU 5 WEIXIEYAFADEJIEGOUSHEJITU(KEGONGCANKAO)。XIEYAFAQIANANZHUANGLEJIEZHIFA,BIANYUXIEYAFADEDIAOZHENGYUJIANXIU。XIEYAFADEYALISHEDINGTONGCHANGKEAN 1.33PN KAOLV(PN WEIXITONGFAMENDEGONGCHENGYINGLI)。

足球彩票     CHUCIZHIWAI,FAMENDIAOSHISHI,YOUQISHIDIANDONGFADIAOSHISHI,YINGZHUYIGUANBIXINGCHENGJILIJUDEKONGZHI,JINKENENGJIANGGUANBILIJUDIAOXIAOXIE,FANGZHIXIESIZHABAN;GAOWENFAMENYINGKAOLVGAOWENZHUANGTAIFAGANREZHANGYINQIDEZHABANXIESI,JIANYIGAOWENGAOYADAKOUJINGZHAFADIAOSHISHI,ZHABANDAOWEIHOUSHIDANGHOUTUIFAGAN,BIMIANZHENZHENGYAOSISHIGUDEFASHENG。

    4 JIEYU

足球彩票     YICHANGCHAOYASHISHUANGFAZUOLEIZHAFADEYINXINGSHASHOU,YANZHONGWEIXIEZHESHEBEIJIXITONGDEANQUANYUNXING,BIXUYINQIZHONGSHI;ZHAFA,YOUQISHIGAOWEN、GAOYA、DAKOUJINGZHAFASHEJIANZHUANGSHIBIXUKAOLVYICHANGCHAOYADEFASHENG,BINGCAIQUBIYAODEYUFANGCUOSHI。

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