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超高壓閥門失效分析以及改良方法!

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超高壓閥門失效分析以及改良方法!

發布日期: 2017-09-28 00:00 來源: http://cnwsbz.com 點擊:

muqianchaogaoyajishuyibeiguangfanyingyongyuchaoyingcailiaozhizao、huaxuegongye、shiyouhuagong、jiagongjishu、dengjingyachuli、chaogaojingyajiya、fenmoyejin、jinshuchengxingyijidiqiuwuli、dizhilixueyanjiudenglingyu

1。由于高壓技術的廣泛使用, 超高壓系統中的超高壓閥門性能直接影響整個系統工作的可靠性、安全性、工作效率和使用壽命。在那些須頻繁增壓卸壓的系統中顯得尤為重要。分析其失效形式并找到合理的解決辦法,有利于提高產品的質量和壽命。




2  jiegou


        chaogaoyazhenfayibancaiyongjiaoxingdanzuojiegou, jiagongjiandan, fazuorongyipeihuan, faxinweidandaoxiangjiegou(tu1) 。famenjiaoxingdanzuojiegouliulujiandan, zulixiao, shiyongyugaoyacha、gaozhandu、hanxuanfuwuhekelizhuangwuzhiliuti, keyibimianjiejiaohedusai, yebianyuzijingheqingxi〔2〕。faxinhefazuoshichaogaoyazhenfajinxingkaiguankongzhidelianggehexinlingjian, zuchengchaogaoyazhenfakaiguandedongmifengfu。tongguokongzhifaxinyufazuozhijianzhuixingmifengmiandejiechuyufenli, shixianfatongdaodeguanbihekaiqi。faxinyumifengquanzhijiandeyuanzhoumifengmiangouchengfadehuadongmifengfu, yongyubaozhangfashiyuwaijiedemifeng。faxincaiyongzhenxing, kaozhuimianmifeng, yibanfaxinzhuijiaowei59°, fazuozhuijiaowei60°。shiyanzhengmingzaikaizhuikongshi, zhuijiaoxuanqu45°~60°shi, kongbianyuandedayinglijizhongxishuxiao, qieshidayinglichuxianzaizhuikongdexiaoduan。fazuozhuijiaoda, faxinzhuijiaoxiaoshi, kaoshangbiaomianmifeng, youliyutigaofadeshiyongshouming.


     




3  zhenfashixiaoxingshi


         zaifadefaxincailiaoweigcr 15, qiyingduwei50 hrc。tongguomuce, zaiweishiyongqian, mifengmianguanghua,qicucaoduweira 018μm , faxinduanbujiaojianrui。shiyonghouqishixiaoxingshiyoufaxinwanqubianxinghuochongduan, faxinsuilie、chuxianaokenghuogouhendeng(tu2) , daozhifamenxielou。




 zhenfashixiaoxingshi


4  fenxi


411  faxinwanqubianxinghesuilie


        zhenfafaxinwanqubianxinghemifengmiansuiliezhuyaoshijiagongshifaxinyufazuocunzaitongzhouduwuchahuozhuimianwuchazaochengde。jinguanyouyumifengyujinlidezuoyong, faxindanxingbianxingshideliangmifengmianshixianmifeng, dandangzhenfakaiqishi, shouqitongzhouduwuchayingxiang, chaogaoyayeliupenchushi, faxinjingxiangshoulibutong, shidefaxinchanshengwanqubianxing, shenzhichongduan。faxinsuiliedeyuanyinyishicailiaorechulibudang, shicailiaocuixingzengda。lingwaishiyouyusuoyongzhenfakaiguanweishoudong, zaimifengshishouliguoda, yufazuojiyazaochengsuilie。




412  mifengmianmosun


欧洲杯网投mifengmianmosunyuqishi、chongshihegaowenfushiyouguan。


欧洲杯网投(1) qishiyuqishimosun


欧洲杯网投        zhenfatongchangzaigaoyachaxiagongzuo, faxinyufazuojiechuhuanfujindeliusujigao, erqieshuideqihuayaliyougao, suoyizaichaogaoyafazhonghenrongyichanshengkonghuayushanzheng。dangdakaifamenshi, gaoyayetituranshifang, liusujijuzengjia, erjingyalizouranxiajiang。dangjieliukouhouyalidadaohuodiyushuisuozaiqingkuangxiadebaohezhengqiyashi, bufenyetijiuqihuachengweiqiti, xingchengqiyeliangxianggongcundexianxiang, zheshikonghuazuoyongdeshoujieduan, jishanzhengjieduan。dierjieduanshizhexieqipaodepolie, jikonghuajieduan。zaizheyijieduanfahouyalishenggaodaobaohezhengqiyayishang, qipaoturanpolie, suoyoudenengliangdoujizhongzaipoliedianshangchanshengjidadechongjili, zhezhongchongjiyaligaoshishenzhikeyichaoguo1gpa〔2 、4〕。yincichongzhuangfaxin、fazuohefati,zhezhongpohuaizuoyongchengweiqishi。lingwaiyetineihanyouyidingshuliangdeqipao, zhexieqipaoyehuizaochengqishi。yetizhongqishizaizhuixingfaxinhefazuoshangchanshengliangzhongxingshideqinshi, yizhongshidachicundeaokeng, shiyoudangeqipaodepoliezaochengde; lingyizhongshiyixiejiaoxiaodeaokeng, shiyouyixieqiangdujiaoruodechongjileijizuoyongerchengde〔4〕。yinci, shixiaohoudefaxinbiaomianyoudaxiaobudengdeaokeng。qishidepohuaisuduyucailiaodelixuexingnengyouguan。duidaduoshucailiaolaishuo, kangqishinenglisuicailiaoyingdudetigaoertigao, liangzhezhijiandazhichengzhishuguanxi〔4〕。qishipohuaiyucailiaodepilaoqiangduyeyouguan, zheshiyinweibuduanshengchengdeqipaobuduanbengkui, duilingjiandebiaomianchanshengzhongfuxingdechongji。lingwai,shuizhongyangqidehanliang, faxindexingzhuang, fakoukaidu, chukoubeiyadengduiqishidouyouyingxiang〔4〕。




(2) chongshimosun


         youyuzaigaoyachahegaoliusuxia, yetideleinuoshuhengao, jiyixingchengtuanliuyundong〔5〕。liutizhongmeiyiliutiweituandoujuyoujigaodesudu, huiduifaxinyufazuochanshengjudadechongjizuoyong, shiqibiaomianxingchengyidaodaogouhen。lingwai, yetizhonghuankenengcunzaiyixiegutiweixiaokeli, zhexiekeliyougaosuyeliuxiedaizhuchongxianglingjianbiaomian, yehuizailingjianbiaomianguachuhenji。gaosushuiliuzaochengdeqinshiheweixiaokelizaochengdeqinshixingzhuangshangjibenxiangtong, doushiyitiaotiaolachangdegoucao, qifangxiangyuliudongfangxiangyizhi, erqishichanshengdeqinshizeshidadaxiaoxiaodekeng。chongshiyanzhongdedifangshizaifaxindezhongxin, yinweicichuliusugao, erqishiqinshiyanzhongdedifangzezailiusugaobuweidexiayou。lingwai, famenkaiduyueda, qishiqinshiyueyanzhong。erkaiduyuexiao, chongshiyueyanzhong〔4〕。yibanlaishuo, cailiaodeyingduyuegao, kangchongshidenenglijiuyueqiang。


(3) gaowenfushi


        danggaosushuiliuchongjifaxinbiaomianshi, biaomianwendushenggao,shiqiyingdujiangdi, kangmosunnenglisuizhijiangdi, daozhiqishiyuchongshigengweiyanzhong。yaotigaofadekangqishi、chongshimosunjigaowenfushidenengli, duifazuoyufaxinkejinxingbiaomianyinghuachulihuocaiyonggongjugangjiyingzhihejindengcailiao, zaijiegoushangkecaiyongfenjijiangya、shejihelidehuanchongshijiegouhebimiankonghuadejiegou。




5  gailiangbanfa


 a、rechuliyubiaomianyinghuachuli


  duiyuchaogaoyafamenshiyongdecailiao, tongchangcaiyongrechulihebiaomianyinghuachulifangfatigaoqikangjiyahenaichongshixingneng。


zhenkongrechuli


欧洲杯网投 zhenkongrechulishizhijianggongjianzhiyuzhenkongzhongjinxingderechuligongyi。zhenkongrechulizaijiarezhongbuchanshengyanghua、tuotanjiqitafushi, erqiejuyoujinghuabiaomiantuoyouchuzhidezuoyong。zaizhenkongzhongnengjiangcailiaozaiyelianguochengzhongxishoudeqing、danheyangdengqitituochu, tigaocailiaodezhilianghexingneng〔3〕。rujiangw18cr4v zhizuodechaogaoyazhenfajinxingzhenkongrechulihou,youxiaodizengjialezhenfadechongjirenxing, tongshitigaolelixuexingnengheshiyongshouming〔4〕。


biaomianqianghuachuli


 weiletigaolingjiandexingneng, chulegaibiancaizhiyiwai, gengduodeshicaiyongbiaomianqianghuachulifangfa。rubiaomiancuihuo(huoyanjiare、gaozhongpinjiarebiaomiancuihuo、jiechudianjiarebiaomiancuihuo、dianjieyejiarebiaomiancuihuo、jiguangdianzishujiarebiaomiancuihuodeng) 、shentan、danhua、qinghua、shenpeng、shenjinshu( tdfa) 、jiguangqianghua、huaxueqixiangchenji(cvd fa) 、wuliqixiangchenji( pvd fa) 、denglizitihuaxueqixiangchenji(pcvd) hedenglizipentudeng。




欧洲杯网投(1) wuliqixiangchenji( pvd fa)  zaizhenkongzhongyingyongzhengdu、lizidu、jianshedengwulifangfachanshengjinshulizi,zhexiejinshulizizaigongjianbiaomianchenji, xingchengjinshutuceng, huoyufanyingqifanyingxingchenghuahewutuceng, zhezhongchuligongyifangfachengweiwuliqixiangchenji, jianchengpvd fa。cifangfachenjiwendudi, chuliwendu400~600 ℃, bianxingxiao, duilingjiandejitizuzhijixingnengyingxiangxiao。liyongpvd fazaiw18cr4vzhizaodezhenfashangchenjitinceng, zetincengjigaodeyingdu(2 500~3 000hv) hegaonaimoxing, tigaolefamenkangfushixing, zaixideyansuan、liusuan、xiaosuanzhongbushoujinshi, nengbaochiguangliangbiaomian。pvd chulihoufugaicengjingduhenhao。keyanmopaoguang, qibiaomiancucaoduweira018μm , paoguanghoukedadao0101μm〔6〕。




欧洲杯网投(2) shenjinshufa jianggongjianzhiyutianjiayoukuosanyuansuhuoqihejindepengshamuyuzhong, zaigongjianbiaomianxingchengv、nb、cr 、ti denggaoyingdutanhuawuceng, zhezhongchuligongyifangfachengweishenjinshu( td) fa。gaigongyiwendingxinghao, wugonghai,lingjianbiaomianqingjie, shiyixiangxingzhiyouxiaodebiaomianchaoqiangduyinghuajishu, congerjidaditigaolingjiandeshiyongshouming。td fayuyongcailiaoyihan40 ‰~80 ‰deni , 10 ‰~30 ‰decr hejinhuofe - ni - cr hejinzhijian, qinaishixinghekangyanghuaxingqiang


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