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鋼管知識 您當前位置: / 鋼管知識 / 鋼管表面處理辦法,鋼管除銹的步驟
鋼管表面處理辦法,鋼管除銹的步驟
雙擊自動滾屏 發布者:admin 發布時間:2015/10/23 閱讀:1714次 【字體:

             GANGGUANBIAOMIANCHULIBANFA,GANGGUANCHUXIUDEBUZOU


   隨著我國經濟的持續發展,國家大力發展能源行業,長輸油氣管線是能源保障的重要方式,在輸油(氣)管線防腐施工過程中,鋼管表面處理是決定管線防腐使用壽命的關鍵因素之一,它是防腐層與鋼管能否牢固結合的前提。經研究機構驗證,防腐層的壽命除取決于涂層種類、涂覆質量和施工環境等因素外,鋼管表面處理對防腐層壽命的影響約占 50%,因此,應嚴格按照防腐層規范對鋼管表面的要求,不斷探索和總結,不斷改進鋼管表面處理方法。

GANGGUANCHUXIUDEBUZOU

1、QINGXI

  LIYONGRONGJI、RUJIQINGXIGANGCAIBIAOMIAN,YIDADAOQUCHUYOU、YOUZHI、HUICHEN、RUNHUAJIHELEISIDEYOUJIWU,DANTABUNENGQUCHUGANGCAIBIAOMIANDEXIU、YANGHUAPI、HANYAODENG,YINCIZAIFANGFUSHENGCHANZHONGZHIZUOWEIFUZHUSHOUDUAN。

2、GONGJUCHUXIU

  ZHUYAOSHIYONGGANGSISHUADENGGONGJUDUIGANGCAIBIAOMIANJINXINGDAMO,KEYIQUCHUSONGDONGHUOQIAOQIDEYANGHUAPI、TIEXIU、HANZHADENG。SHOUDONGGONGJUCHUXIUNENGDADAOSa2 JI,DONGLIGONGJUCHUXIUKEDADAOSa3 JI,RUOGANGCAIBIAOMIANFUZHULAOGUDEYANGHUATIEPI,GONGJUCHUXIUXIAOGUOBULIXIANG,DABUDAOFANGFUSHIGONGYAOQIUDEMAOWENSHENDU

3、SUANXI

  YIBANYONGHUAXUEHEDIANJIELIANGZHONGFANGFAZUOSUANXICHULI,GUANDAOFANGFUZHICAIYONGHUAXUESUANXI,KEYIQUCHUYANGHUAPI、TIEXIU、JIUTUCENG,YOUSHIKEYONGQIZUOWEIPENSHACHUXIUHOUDEZAICHULI。HUAXUEQINGXISUIRANNENGSHIBIAOMIANDADAOYIDINGDEQINGJIEDUHECUCAODU,DANQIMAOWENQIAN,ERQIEYIDUIHUANJINGZAOCHENGWURAN。

4、PEN(PAO)SHECHUXIU

  PEN(PAO)SHECHUXIUSHITONGGUODAGONGLVDIANJIDAIDONGPEN(PAO)SHEXIEPIANGAOSUXUANZHUAN,SHIGANGSHA、GANGWAN、TIESIDUAN、KUANGWUZHIDENGMOLIAOZAILIXINLIZUOYONGXIADUIGANGGUANBIAOMIANJINXINGPEN(PAO)SHECHULI,BUJINKEYICHEDIQINGCHUTIEXIU、YANGHUAWUHEWUWU,ERQIEGANGGUANZAIMOLIAOMENGLIECHONGJIHEMOCALIDEZUOYONGXIA,HUANNENGDADAOSUOXUYAODEJUNYUNCUCAODU。 PEN(PAO)SHECHUXIUHOU,BUJINKEYIKUODAGUANZIBIAOMIANDEWULIXIFUZUOYONG,ERQIEKEYIZENGQIANGFANGFUCENGYUGUANZIBIAOMIANDEJIXIENIANFUZUOYONG。YINCI,PEN(PAO)SHECHUXIUSHIGUANDAOFANGFUDELIXIANGCHUXIUFANGSHI。YIBANERYAN,PENWAN(SHA)CHUXIUZHUYAOYONGYUGUANZINEIBIAOMIANCHULI,PAOWAN(SHA)CHUXIUZHUYAOYONGYUGUANZIWAIBIAOMIANCHULI。CAIYONGPEN(PAO)SHECHUXIUYINGZHUYIJIGEWENTI。

4.1 CHUXIUDENGJI

  DUIYUGANGGUANCHANGYONGDEHUANYANGLEI、YIXILEI、FENQUANLEIDENGFANGFUTULIAODESHIGONGGONGYI,YIBANYAOQIUGANGGUANBIAOMIANDADAOJINBAIJI(Sa2.5)。SHIJIANZHENGMING,CAIYONGZHEZHONGCHUXIUDENGJIJIHUKEYICHUDIAOSUOYOUDEYANGHUAPI、XIUHEQITAWUWU,MAOWENSHENDUDADAO40~100μm,CHONGFENMANZUFANGFUCENGYUGANGGUANDEFUZHULIYAOQIU,ERPEN(PAO)SHECHUXIUGONGYIKEYONGJIAODIDEYUNXINGFEIYONGHEWENDINGKEKAODEZHILIANGDADAOJINBAIJI (Sa2.5)JISHUTIAOJIAN。

4.2 PEN(PAO)SHEMOLIAO

  WEILEDADAOLIXIANGDECHUXIUXIAOGUO,YINGGENJUGANGGUANBIAOMIANDEYINGDU、YUANSHIXIUSHICHENGDU、YAOQIUDEBIAOMIANCUCAODU、TUCENGLEIXINGDENGLAIXUANZEMOLIAO,DUIYUDANCENGHUANYANG、ERCENGHUOSANCENGJUYIXITUCENG,CAIYONGGANGSHAHEGANGWANDEHUNHEMOLIAOGENGYIDADAOLIXIANGDECHUXIUXIAOGUO。GANGWANYOUQIANGHUAGANGBIAOMIANDEZUOYONG,ERGANGSHAZEYOUKESHIGANGBIAOMIANDEZUOYONG。GANGSHAHEGANGWANDEHUNHEMOLIAO(TONGCHANGGANGWANDEYINGDUWEI 40~50 HRC,GANGSHADEYINGDUWEI50~60 HRC KEYONGYUGEZHONGGANGBIAOMIAN,JISHISHIYONGZAIC JIHED JIXIUSHIDEGANGBIAOMIANSHANG,CHUXIUXIAOGUOYEHENHAO。

4.3 MOLIAODELIJINGJIPEIBI

  WEIHUODEJIAOHAODEJUNYUNQINGJIEDUHECUCAODUFENBU,MOLIAODELIJINGJIPEIBISHEJIXIANGDANGZHONGYAO。CUCAODUTAIDAYIZAOCHENGFANGFUCENGZAIMAOWENJIANFENGCHUBIANBO;TONGSHIYOUYUMAOWENTAISHEN,ZAIFANGFUGUOCHENGZHONGFANGFUCENGYIXINGCHENGQIPAO,YANZHONGYINGXIANGFANGFUCENGDEXINGNENG。 CUCAODUTAIXIAOHUIZAOCHENGFANGFUCENGFUZHULIJINAICHONGJIQIANGDUXIAJIANG。DUIYUYANZHONGDENEIBUDIANSHI,BUNENGJINKAODAKELIMOLIAOGAOQIANGDUCHONGJI,HUANBIXUKAOXIAOKELIDAMODIAOFUSHICHANWULAIDADAOQINGLIXIAOGUO,TONGSHIHELIDEPEIBISHEJIBUJINKEJIANHUANMOLIAODUIGUANDAOJIPENZUI(XIEPIAN)DEMOSUN,ERQIEMOLIAODELIYONGLVYEKEDADATIGAO。TONGCHANG,GANGWANDELIJINGWEI0.8~1.3 mm,GANGSHALIJINGWEI0.4~ 1.0 mm,QIZHONGYI0.5~1.0 mmWEIZHUYAOCHENGFEN。SHAWANBIYIBANWEI5~8。 YINGGAIZHUYIDESHIZAISHIJICAOZUOZHONG,MOLIAOZHONGGANGSHAHEGANGWANDELIXIANGBILIHENNANDADAO,YUANYINSHIYINGERYISUIDEGANGSHABIGANGWANDEPOSUILVGAO。WEICI,ZAICAOZUOZHONGYINGBUDUANCHOUYANGJIANCEHUNHEMOLIAO,GENJULIJINGFENBUQINGKUANG,XIANGCHUXIUJIZHONGCHANRUXINMOLIAO,ERQIECHANRENDEXINMOLIAOZHONG,GANGSHADESHULIANGYAOZHANZHUYAODE。

4.4 CHUXIUSUDU

  GANGGUANDECHUXIUSUDUQUJUEYUMOLIAODELEIXINGHEMOLIAODEPAILIANG,JIDANWEISHIJIANNEIMOLIAOSHIJIADAOGANGGUANDEZONGDONGNENGE JIDANKELIMOLIAODEDONGNENGE1。 SHIZHONG: m ——MOLIAODEPEN(PAO)LIANG; V ——MOLIAOYUNXINGSUDU; m1——DANKELIMOLIAODEZHILIANG。 m。DEDAXIAOYUMOLIAOPOSUILVYOUGUAN,POSUILVDAXIAOZHIJIEYINGXIANGBIAOMIANCHULIZUOYEDECHENGBENJICHUXIUSHEBEIDEFEIYONG。DANGSHEBEIGUDINGBUBIANHOU,mWEICHANGSHU,y WEICHANGSHU,SUOYIE YESHIYIGECHANGSHU,DANYOUYUMOLIAOPOSUI,m1 FASHENGBIANHUA,YINCI,YIBANYINGXUANZESUNHAOLVJIAODIDEMOLIAO,ZHEYANGYOULIYUTIGAOQINGLISUDUHECHANGXIEPIANDESHOUMING。

4.5 QINGXIHEYURE

  ZAIPEN(PAO)SHECHULIQIAN,CAIYONGQINGXIDEFANGFACHUQUGANGGUANBIAOMIANDEYOUZHIHEJIGOU,CAIYONGJIARELUDUIGUANTIYUREZHI40 YI60℃,SHIGANGGUANBIAOMIANBAOCHIGANZAOZHUANGTAI。ZAIPEN(PAO)SHECHULISHI,YOUYUGANGGUANBIAOMIANBUHANYOUZHIDENGWUGOU,KEZENGQIANGCHUXIUDEXIAOGUO,GANZAODEGANGGUANBIAOMIANYEYOULIYUGANGWAN、GANGSHAYUXIUHEYANGHUAPIDEFENLI,SHICHUXIUHOUDEGANGGUANBIAOMIANGENGJIAJIEJING。

5 JIEYU

  ZAISHENGCHANZHONGZHONGSHIBIAOMIANCHULIDEZHONGYAOXING,YANGEKONGZHICHUXIUSHIDEGONGYICANSHU,ZAISHIJISHIGONGZHONG,GANGGUANFANGFUCENGDEBOLIQIANGDUZHIDADACHAOGUOBIAOZHUNDEYAOQIU,QUEBAOLEFANGFUCENGDEZHILIANG,ZAITONGYANGSHEBEIDEJICHUSHANG,DADATIGAOGONGYISHUIPING,JIANGDISHENGCHANCHENGBEN。

 


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