体彩排列5质合遗漏

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3PE防腐管道防腐层剥离因素及控制措施

2019-07-05 20:30:18

自3PE防腐层技术20世纪90年代引进到我国至今,在我国应用已有20余年的历史。3PE防腐层把熔结环氧粉末的附着力和抗腐蚀性能与聚乙烯的抗机械损伤、防水渗透特性很好地结合在一起,是目前世界上发展较快、应用较广泛的外防腐层之一,被广泛应用在石油天然气长距离输送管道上。

3PEFANGFUGUANDAOZAIYANZHANGGUANDAOSHIYONGSHOUMINGFANGMIANFAHUILEJUDADEZUOYONG。RANER,JINNIANLAI,RENMENZAIYIJIANDE3PEGUANDAOSHANG.FAXIANBUTONGCHENGDUDEFANGFUCENGBOLIWENTI.

体彩排列5质合遗漏YOUSHUQIGUANDAO、SHUYOUGUANDAO;YOUYUNXINGWENDUBIJIAOGAODEGUANDAO,YEYOUYUNXINGWENDUBIJIAODIDEGUANDAO。BAOGAODEANLIYOUDEFASHENGZAIGUOWAI,RUYINDU、FAGUO、XULIYA、NUOWEIDENG,GUONEIZAIGUANDAOGAIXIANSHIYEFAXIANLEFANGFUCENGBOLIXIANXIANG。3PEFANGFUCENGBOLIWENTIYIJINGYINQILERENMENDUI3PEFANGFUCENGYINGYONGDEGUANZHU。

13PEFANGFUGUANDAOFANGFUCENGBOLIQINGKUANGGAISHU

体彩排列5质合遗漏LIXIANGDE3PEFANGFUCENGYINGDANGYOUXIAODIFANGZHIGUANDAODEFUSHI,FANGFUCENGYINGZHISHAOZAIGUANDAOSHEJISHOUMINGNEINENGDADAOFANGHUGANGGUANFUSHIDEZUOYONG。DANJINJINIANLAI,PINPINBAOCHUSHIYONGNIANXIANJINSHIJINIANSHENZHIJINIANDE3PEFANGFUGUANFASHENGBOLIDEANLI。3PEFANGFUCENGFASHENGBOLIHOUDEJIAODAWENTISHICHANSHENGYINJIPINGBI,HUISHIBAOHUDIANLIUPIANLITAMENYUANYOUDELIXIANGTONGDAO,JIEGUOYINJIBAOHUDIANLIUJIUWUFACHONGFENBAOHUGANGGUAN,SHIYINJIBAOHUSHIQULEDUIFANGFUCENGSUNSHANGBUWEIDEBAOHUZUOYONG。

体彩排列5质合遗漏YILANGTIANRANQIGONGSIDUI3PEFANGFUCENGGUANDAOJINXINGGUOYICIWENTIDIAOYAN,DAYUE45%DEFANGFUCENGYUGANGGUANWANQUANSHIQULEFUZHELI,ERDAYUE55%CHENGXIANRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANDEFUZHELIYIJINGSHIQU75%YISHANG,MEIYOUFAXIANJUYIXICENGYUJIAOZHANJICENGZHIJIANFASHENGFENCENGBOLIWENTI,ZHIYOU2%CHENGXIANJIAOZHANJICENGYURONGJIEHUANYANGFENMOCENGZHIJIANYIJINGSHIQULEFUZHELI,BOLIQINGKUANG。

3PEFANGFUCENGGECENGZHIJIANDEZHANHELISHIHENQIANGDE,RONGJIEHUANYANGFENMOCENG、JIAOZHANJICENGHEJUYIXICENGXINGCHENGLEYIGEZHENGTI,GEFANGFUCENGZHIJIANDEZHANJIEQIANGDUBIDI YICENGRONGJIEHUANYANGFENMOCENGYUGANGGUANZHIJIANDEZHANJIEQIANGDUQIANG。GUONEIBAODAODE3PEFANGFUGUANDAOFASHENGBOLIDEANLIEYESHIZHUYAOFASHENGZAIRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIAN,BOLIQINGKUANG。

RONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANDEBUWEISHI3PEFANGFUCENGFASHENGBOLIDEZHUYAOBUWEI。DANSHI,CONGDUONIAN3PEFANGFUGUANDESHENGCHANJINGLILAIKAN,ZAISHENGCHANCHEJIAN,JIHUMEIYOUFAXIANGUORONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANFASHENGBOLIDEXIANXIANG,ERQIEZHANJIEDEHENLAOKAO。ZAICHULISHENGCHANGUOCHENGZHONGDEFEIGUANSHI,CONGMEIYOUFAXIANZAIBOLIDIAOWAICENGJUYIXIGUOCHENGZHONGFASHENGRONGJIEHUANYANGFENMOCENGTUOLUODEXIANXIANG,BINGQIETONGGUOPAOSHAWANCHUDIAOGANGGUANBIAOMIANDERONGJIEHUANYANGFENMOCENGHENKUNNAN,YAOFANFUJIBIANCAINENGCHULIGANJING,ZHEIYIXIANXIANGSHUOMING,RONGJIEHUANYANGFENMODUIGANGGUANDEZHANJIELIHAISHIHENQIANGDE。RANERSHIYONGYIDUANSHIJIANHOU,YOUHENRONGYIFASHENGRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANDEBOLI,BIAOMINGRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANDEFUZHELISUIZHESHIJIANDETUIYI,CHANSHENGLESHIXIAO,FENXI3PEFANGFUCENGBOLIJIUSHIYAOFENXICHUNAXIEYINSUHUIDAOZHIHUOYINGXIANGFUZHELISHIXIAO,BINGJIAYIYUFANGHEKONGZHI,YIJIANHUANRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANDEFUZHELISHIXIAOSUDU。

体彩排列5质合遗漏23PEFANGFUCENGBOLIYINSUFENXI

2.13PEFANGFUCENGDETUFUKONGZHI

体彩排列5质合遗漏ZAI3PEFANGFUCENGTUFUKONGZHIFANGMIAN,KEYICONG3PEFANGFUCENGTUFUGONGYIFENXI,YINGXIANGRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANZHIJIANFUZHELIDEYINSUYOU:GANGGUANBIAOMIANCHULI、HUANYANGFENMOXINGNENG、HUANYANGFENMOPENTU、JIAOZHANJIHEJUYIXIDECHANRAOJILENGQUE。

2.1.1GANGGUANBIAOMIANCHULI

ZAITUFU3PEFANGFUCENGQIAN,YAODUIGANGGUANBIAOMIANJINXINGCHULI,CHULIDEMUDESHIWEILEQINGCHUGANGGUANBIAOMIANDEYANG HUAPI、TIEXIUHEHANZHADENG,HUODEQINGJIEHEYOUYIDINGCUCAODUDEBIAOMIAN,CONGERTIGAORONGJIEHUANYANGFENMOCENGDUIGANGGUANBIAOMIANDEFUZHELI。GANGGUANBIAOMIANYAOQIUCHUXIUDENGJIDADAOSa2.5JI,MAOWENSHENDUDADAO50~90μm,HUICHENDUBUDIYU2JI,YANFENHANLIANGBUCHAOGUO2μg/cm2。CONGGANGGUANBIAOMIANCHULIDEJINGYANLAIKAN.CHUXIUDENGJIHEMAOWENSHENDUYIBANBUHUICUNZAIWENTI.ZAINEIDI,YANFENHANLIANGYEBUCHAOBIAO,ZHIYOUHUICHENDUSHIYIGEJIAONANKONGZHIDEYINSU。HUICHENDUDENGJIDEPINGJIASHIYIHANYOUHUICHENDESHULIANGDUOSHAOHEDAXIAOLAIQUEDING,GONGFENWEI5GEDENGJI。ERQIE,HUICHENKELIDECHENGFENYEHENFUZA,YOUKENENGHANYOUYOUFEN、SHUIFENDENG,DANGGANGGUANBIAOMIANFUZHEJIAODUODEHUICHENKELISHI,JIUHUIDUIRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANDEFUZHELICHANSHENGYINGXIANG。

体彩排列5质合遗漏2.1.2HUANYANGFENMOXINGNENG

体彩排列5质合遗漏ZAIYINGXIANGRONGJIEHUANYANGFENMOCENGYUGANGGUANBIAOMIANFUZHELIDEYINSUZHONG,HUANYANGFENMODEXINGNENGSHIJIAOZHUYAODE。HUANYANGFENMOZHISUOYINENGYUGANGGUANBIAOMIANYOUHENQIANGDEFUZHELI,SHIYINWEIQIJIEGOUZHONGHANYOUGAOJIXINGHEHUOXINGDEHUANYANGJI,NENGYUGANGCAIZHONGDETIELIZIXINGCHENGHENQIANGDEHUAXUEJIAN;HUANYANGFENMOSHIYOUHUANYANGSHUZHI、GUHUAJI、YANLIAOHETIANJIAJIDENGCHENGFENZUCHENG,SUOYIZHEIXIECHENGFENDEXINGNENG,BIRUHANYOUHUANYANGJIDEDUOSHAO、WEIZHI、GUHUAJIDELEIXINGDENGDOUNENGYINGXIANGRONGJIEHUANYANGFENMOYUGANGGUANBIAOMIANXINGCHENGHUAXUEJIANDEQIANGDUHEMIDU。

体彩排列5质合遗漏2.1.3HUANYANGFENMOPENTU

(1)GANGGUANWENDU。ZAI3PEFANGFUCENGTIXIZHONG,HUANYANGFENMOYIBANCAIYONGJINGDIANPENTUFA,PENTUHUANYANGFENMOZHIQIAN,XUYAOJIANGGANGGUANJIAREDAOSHIYIDEWENDUFANWEI,SHIFENMOYIJIECHUJIRONGHUA,YURESHITUMOJIXULIUDONG,JINYIBULIUPINGFUGAIZHENGGEGANGGUANBIAOMIAN,TEBIESHIMAOWENAOXIANCHUYIJIHANFENGLIANGCE,SHITUCENGYUGANGGUANJINMIJIEHE,JIAODAXIANDUDIJIANSHAOKONGXI。ZAIZHEIYIHUANJIE,GANGGUANDEJIAREWENDUFANWEIKONGZHIHENZHONGYAO,WENDUGUOGAO,HUANYANGFENMODELIUPINGBUHAO,TUMOBUNENGCHONGFENYUGANGGUANBIAOMIANJIECHU,XINGCHENGDETUCENGYUGANGGUANBIAOMIANDEFUZHELIJIUBUQIANG;WENDUGUODI,HUANYANGFENMOGUHUABUWANQUAN,XINGCHENGDETUCENGZHIMIDUBUGOU。

(2)YASUOKONGQIZHILIANG。HUANYANGFENMOPENTUSHICAIYONGYASUOKONGQICHUANSONGDE,YASUOKONGQIDEZHILIANGZHIJIEYINGXIANGTUCENGDEFUZHELI。2006NIANWOGONGSISHENGCHANDEYINDUGUANXIAN,YAOQIUYASUOKONGQIDECHANGYALU DIANWENDUWEI-40℃,YASUOKONGQIDELU DIANWENDUYUEDI,SHUOMINGKONGQIYUEGANZAO。GUONEIDE3PEFANGFUMEIYOUDUIYASUOKONGQIDELU DIANWENDUZUOCHUYAOQIU,RUOYASUOKONGQIZHONGHANYOUSHUIFEN,ZAIGAOWENXIAQIHUA,JIUHUIZAIHUANYANGFENMOTUCENGSHANGCHANSHENGKONGXI,JIANGDITUCENGDEFUZHELI,TUCENGDEKONGXILV。

体彩排列5质合遗漏2.1.4JIAOZHANJIHEJUYIXIDECHANRAOJILENGQUE

体彩排列5质合遗漏MUQIAN,SHANGWUBAODAOZAIDANCHUNCAIYONGRONGJIEHUANYANGFENMOTUCENGDEGUANDAOSHANGFASHENGTUCENGBOLIDEANLI,DANCENGYOUZHEIYANGYIGESHIYAN,YOULIANGTIAOXIANGSIDEGUANDAODOUCHUYUXIANGTONGDESHIYONGHUANJINGTIAOJIANXIA,CAIYONG200~300μmHOUDANHUANYANGTUCENG,TUCENGFUZHELIDOUMEISHIXIAO,ERZAIHUANYANGFENMOHOUDUXIANGTONGDE3PEGUANDAOSHANGRONGJIEHUANYANGFENMOCENGQUESHIQULEFUZHELI。CONGZHEIYISHIYANJIEGUOLAIKAN,ZAI3PEFANGFUCENGZHONG,JIAOZHANJIHEJUYIXIDECHANRAOJILENGQUEYEHUIDUIRONGJIEHUANYANGFENMOCENGDEFUZHELICHANSHENGYINGXIANG。TUICEYUANYINKENENGSHIRONGJIEHUANYANGFENMOCENG、JIAOZHANJICENG、JUYIXICENGJIGANGCAIDEREPENGZHANGXISHUBUTONG,YOUJIAREHELENGQUEGUOCHENGZHONGCHANSHENGDECANYUYINGLIYINQIDE。

体彩排列5质合遗漏2.23PEFANGFUGUANDESHIYONGHUANJING

MAIDI3PEFANGFUGUANSUOCHUDEDILIHUANJING、HUANJINGWENDU、YUNXINGJIEZHIWENDU、CHENGSHOUDEYALI、YUNXINGQINGKUANGYIJIGANGGUANGUIGEDENGYINSUYESHI3PEFANGFUCENGBOLIBUKEHUSHIDEYINSU。ZHEIXIEYINSUZHUYAOSHI3PEFANGFUGUANSHOUDAOWENDUBIANHUA、YALIBIANHUASHISUOSHOUDAODEYINGLIHEREZHANGLENGSUOZAOCHENGDE。3PEFANGFUCENGZHISUOYINENGGOUFUZHEZAIGANGGUANBIAOMIAN,ZHUYAOSHIDI YICENGRONGJIEHUANYANGFENMODEZHANJIEQIANGDU,JIARUZUOYONGZAIFANGFUCENGDEYINLICHAOGUOLEQIZHANJIEQIANGDU,JIUHUIFASHENGBOLI。