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球墨铸铁管防腐引用欧洲锌层防腐标准

文章出处:网责任编辑:作者:人气:-发表时间:2020-08-02 16:38:00

   QIUMOZHUTIEGUANZAIXIANRUJINDESHIYONGLVHENSHIPINFAN,WULUNNINSHIZAICHANGFANGJIANSHE,HAISHIZAIJUMINLOUDEJIANSHEGONGCHENG,HAISHISHIZHENGJISHUIDESHIGONGZHONG,DOUKEYIJIANDAOQIUMOZHUTIEGUANDESHENYING,DANSHIHENDUORENBUZHIDAOQIUMOZHUTIEGUANSHIRUHEFANGFUDE,NEIMEWOMENRICHANGSUICHUKEJIANDEQIUMOZHUTIEGUANSHIRUHEJINXINGFANGFUDE,YOUYOUSHENMEYANGDEFANGFUBIAOZHUNNI?JINTIANXIAOBIANJIUWEININJIEMI

 

  我国对锌层防腐的研究还比较少,我国的球墨铸铁管使用的是欧洲锌层防腐标准,而在国外,尤其是圣戈班穆松桥,对锌层防腐研究已经有60多年的历史。在圣戈班穆松桥的内部标准中,将锌+沥青外防腐形式确定为球墨铸铁管基本的标准外防腐层,并适用于绝大多数的土壤类型,同时这也是欧洲等发达国家的球墨铸铁管的标准外防腐模式。土壤对球墨铸铁管腐蚀性,球墨铸铁管的锌层防腐的标准有哪些

  


 

  1.DIANHUAXUEFUSHI

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  TIESHIQUDIANZIJINRUSHUIMO,YANGQIDEDAODIANZICHENGWEIQINGYANGLIZI。

  QIUMOZHUTIEGUANDEXINCENGFANGFU

  2.WEISHENGWUFUSHI

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  4Fe + SO42- + 4H2O 3Fe(OH)2+ FeS + 2OH-

  HAOYANGJUNWEITIEYANGHUAJUN、LIUHUAJUNHETIEXIJUN,TONGGUOLIUXIJUNDEZUOYONGCHANSHENGLIUSUANKEYIFASHENGHAOYANGFUSHI。ZHEIXIEXIJUNZAILIUSUANNONGDUDADAO10~12%SHISHANGNENGCUNHUO,KEYIDUIZHUTIECHANSHENGYANZHONGDEFUSHI。LINGYIZHONGYUANYINSHIZAIHAOYANGTIAOJIANXIAJINSHUBIAOMIANXIJUNFANYANERXINGCHENGYIGEGAODIBUPINGBUGUIZEDESHENGWUMO。WEISHENGWUDEHUODONGSHIDESHENGWUMONEIHUANJINGFASHENGBIANHUA,RUYANGNONGDU、PHZHI、SUANJIANDUDENG,SHIJINSHUBIAOMIANXINGCHENGYINYANGQU,DAOZHIYUANDIANCHIFANYING。

 

  YISHANGSHILAIZI,JINLVJIANGUANDAOSHANGCHENGXIAOBIANWEININCHENGXIANDEQIUMOZHUTIEGUANFANGFUBIAOZHUN,RUGUONINXIANGYAOLEJIEGENGDUOGUANYUQIUMOZHUTIEGUANCHANPINDEXIANGGUANXINXI,QINGNINCHIXUGUANZHUWOGONGSIGUANWANGXINXI,HUOZHEZHIDIANYOUCEZAIXIANKEFUJINXINGLEJIEZIXUN。

 

BENWENBIANJI;AIWEIWEI  XIAOHUA

ZERENBIANJI:DUPENGQIAN  LIUYICHEN

WANGLUOJIANSUO;FENGSHUAI   CAOTIANTIAN

WENZHANGLAIYUAN:http://bank-gifts.com

 

此文关键字:球墨铸铁管   球墨铸铁管防腐   球墨铸铁管防腐标准

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