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内外防腐钢管的做法

文章出处:casspeach.com 人气:发表时间:2019-11-30 10:29

一般防腐钢管管道内防腐需要多厚: 总厚度不小于280μm。可选用环氧铁红底漆/环氧白陶瓷组成的复合涂层。GH102型白色环氧陶瓷涂料,已获得中国卫生部的国产涉及饮用水卫生安全产品许可批件,并通过英国WRAS审查,批准在生活饮用水中使用。

 

1 FANGFUSHIBAOHU

1. 1 FANGFUSHICHULIDEBUWEIZHONGLEI

1)FUSHIXINGTURANG、SHUIHUANJINGTIAOJIANDUIGUANWAIBIAOMIANJINXINGHUANYANGMEILIQINGFANGFUSHICHULI。

2)YONGJIUXINGWAILUDEGANGZHIJIEGOUJIAN(RUFALANDUANGUAN)。

大通彩票开户 3)GANGCAIBIAOMIANJINXINGDETULIAODUANQIFANGFUSHICHULI(CHENGCHAKOUGANGQUANDENG)。

2 GUANDAOWAIBIAOMIANFANGFUSHIBAOHU

1) FANWEI BAOKUOZHIDINGQUYUDEBIAOZHUNGUAN、YIXINGGUANHEPEIJIANDENGGUANCAISHAJIANGBAOHUCENGBIAOMIANHUANYANGMEILIQINGFANGFUSHI。

FANGFUCHULIWEI:DIQIYIDAO、MIANQILIANGDAO,ZONGHOUDU400μm。 XUYAOJINXINGHUANYANGMEILIQINGFANGFUDEFANWEIJIANBIAO1、

大通彩票开户 GUANDAOWAIBIAOMIANFANGFUSHIBAOHUFANWEI

GUAN JING

ZHUANG HAO FAN WEI

ZHANG DU(m)

大通彩票开户 DN3200

42+188~43+670

1482

DN2200

43+760~63+500,104+500~111+200;

26440

DN2000

大通彩票开户 131+000~135+000,146+600~160+834,ZHIXIAN、PANGTONGXIAN3135m

21369

2)防腐涂料的技术指标

⑴ FANGFUTULIAOCAIYONGKUAIGANCHAOHOUJIANGXINGHUANYANGMEILIQINGTULIAO。HUANYANGMEILIQINGTULIAODEJISHUZHIBIAO,JIJIAZUFEN(QILIAO)、YIZUFEN(GUHUAJI)HEJIA、YILIANGZUFENANBILIHUNHEHOUANGUIDINGFANGFAPENTUHOUDE QIMODEJISHUZHIBIAO,YINGFENBIEBUDIYU《MAIDIGANGZHIGUANDAOHUANYANGMEILIQINGFANGFUCENGJISHUZHIBIAO》SY/T0447ZHONGBIAO3.1.2-1、3.1.2-2HE3.1.2-3DEYAOQIU;BING BUDIYUBENJISHUTIAOKUANBIAO1YAOQIU。

大通彩票开户 HUANYANGMEILIQINGTULIAOYINGTONGSHIMANZUDEZHILIANGZHIBIAO

XUHAO

XIANG  MU

ZHI  BIAO

BEI  ZHU

1

GANZAOSHIJIAN—BIAOGAN

≤4h

GB/T5520-1993

2

GANZAOSHIJIAN—SHIGAN

≤24h

GB/T5520-1993

3

QIANBIYINGDU

≥3H

GB/T1440-1989

6

NAI10%NaOH,30TIAN

大通彩票开户 WUQIPAO、WUKAILIE、WUTUOLUO

大通彩票开户 GB/T1730-1991

7

NAI10%H2SO4,30TIAN

WUQIPAO、WUKAILIE、WUTUOLUO

大通彩票开户 GB/T1730-1991

8

大通彩票开户 NAIMOXING(750g,1000r)

大通彩票开户 ≤0.1g

大通彩票开户 GB/T6260-1991

9

大通彩票开户 LVLIZISHENTOUXISHU,30TIAN

大通彩票开户 5×103mg/cm2.d

大通彩票开户 GB/T1766-1989

大通彩票开户 ⑵ TULIAOYINGYOUCHUCHANGHEGEZHENG、CHANPINSHUOMINGSHU、PIHAO、TUZHUANGGONGYICANSHUDENG。

⑶ CHENGBAORENYINGDUIMEIPITULIAODEZHILIANGZHIBIAOJINXINGFUYAN,BINGTIGONGFUYANBAOGAO。

3)表面预处理

大通彩票开户 ⑴ FANGFUSHISHIGONGSHI,SHUINISHAJIANGBAOHUCENGHANSHUILVBUYINGDAYU6%,QIEBIAOMIANWUSHUIZI。

⑵ YINGCAIYONGSHOUGONGHUODONGLIGONGJUJIANGBIAOMIANSHUINIHUIZHAJISHUSONGWUQINGCHU,RANHOUYONGGANJINGMAOSHUA、YASUOKONGQIHUOGONGYEXICHENQIJIANGBIAOMIANQINGLIGANJING。

4)涂料配置

⑴ HUANYANGMEILIQINGTULIAOYINGFANGZAIYINLIANG、TONGFENG、GANZAOCHU,YANJINPUSHAIHEJIEJINHUOYUAN。

⑵ CHENGBAORENYINGZHIDINGBAOZHENGSHIGONGRENYUANRENSHENANQUAN、FANGZHIHUANJINGWURANHEQINGXIGONGYONGJUDEANQUANCAOZUOGUICHENG。

⑶ QILIAO(JIAZUFEN)ZAISHIYONGQIANYINGJIAOBANJUNYUN。YOUZHUANRENJIANGJIA、YILIANGZHONGZUFENANCHANPINSHUOMINGSHUSUOGUIDINGDEBILIDIAOPEI,CHONGFENJIAOBAN,SHIYONGQIANFANGZHISHUHUA30min。TULIAOYINGGENJUGONGCHENGSUOXUDESHULIANGFENPIPEIZHI,XIANPEIXIANYONG。PEIHAODETULIAOYINGZAIGUIDINGDESHIYONGQINEISHIYONGWANBI。

⑷ GANGKAITONGDEDIQIJIAZUFENHEMIANQIJIAZUFENYUANZESHANGBUZAIDIAORUXISHIJI。PEIHAODETULIAOZAIBIYAOSHI,KEJIARU≤5%(ZHONGLIANGBI)DEXISHIJI。

5)防腐层施工

大通彩票开户 ⑴ TUZHUANGSHIXIANGDUISHIDUYINGBUDAYU85%QIEHUANJINGWENDUYINGBUDIYU5℃。DAFENG、YU、WUTIANQIJIQIANGLIEYANGGUANGZHAOSHEXIABUYIJINXINGSHIWAISHIGONG。

大通彩票开户 ⑵ KECAIYONGGAOYAWUQIPENTU,TUCENGHOUDUBIXUJUNYUN。

大通彩票开户 ⑶ DIQI:BIAOMIANYUCHULIHEGEDEGUANCAIYINGJINKUAITUSHUADIQI,JIANGEBUDECHAOGUO8XIAOSHI。YAOQIUTUSHUAJUNYUN,BUDELOUTU。MIANQI:DIQIBIAOGANHOU,JIKETUMIANQI。TUSHUAYAOJUNYUN,BUDELOUTU。ZAICHANGWENXIA,DIQI、GEDAOMIANQIDEJIANGESHIJIANBUYINGCHAOGUO24h。

⑷ TUZHUANGJIESHU,TUCENGSHIGANHOUFANGKEYUNSHU。

6)防腐层检验

大通彩票开户 ⑴ FANGFUCENGBIAOGAN、SHIGANYUGUHUA:BIAOGAN——YONGSHOUQINGCHUBUZHANSHOU;SHIGAN——YONGSHOUZHITUIBUYIDONG;GUHUA——YONGSHOUZHIJIAZHONGKEBULIUKEHEN。

⑵ WAIGUANJIANYAN:TUCENGWAIGUANGUANGHUAPINGZHENG、YANSEJUNYUNYIZHI,WUQIPAO、LIUGUAJIKAILIEHEBOLUO。DUITUFUGUODEGUANCAIYAOZHUGENJIANCHA。

⑶ HOUDUJIANYAN:YIFANGFUCENGDENGJISUOGUIDINGDEHOUDUWEIBIAOZHUN,YONGFANGFUCENGCEHOUYIJINXINGJIANCE。MEI20GENGUANCHOUCHA1GEN,MEIGENCE3GEXIANGGEYIDINGJULIDEJIEMIAN,MEIJIEMIANCESHANG、XIA、ZUO、YOU4DIAN, RUZUIBODIANDIYUGUIDINGHOUDU,ZEWEIBUHEGE。ZAICHOUCHA2GEN,QIZHONG1GENRENGBUHEGESHI,QUANBUWEIBUHEGE。HOUDUBUHEGEDEFANGFUGUAN,YINGZAITUCENGWEIGUHUAQIANXIUBUZHIHEGE。

⑷ LOUDIANJIANCHA:DUIZHIDINGQUDUANDEFANGFUGUAN,YINGJINXINGSY/T0447BIAOZHUN5.4JIEDELOUDIANJIANCHA。

⑸ ZHANFULIJIANYAN:FANGFUCENGGUHUAHOU,ANSL105DI3.4.5TIAOJIANYAN。MEI20GENGUANCHOUCHA1GEN,MEIGENCE1DIAN。RUBUHEGE,ZAICHOUCHA2GEN,QIZHONG1GENRENGBUHEGESHI,QUANBUWEIBUHEGE。

⑹ YUNSHUBAOGUAN:ZAIYUNSHU、ZHUANGXIE、BAOGUANDENGGUOCHENGZHONG,BIXUSHIYONGXIANGJIAODIANHENILONGDIAODAI;BINGYOUFANGZHIJIXIEPENGZHUANGDECUOSHI,YIBIMIANFANGFUCENGSUNHUAI。ZHUCUNCHAOGUO28TIANYISHANG,BIXUDUIFANGFUSHICENGYOUXIAOSHANGAI,FANGZHITUCENGPUSHAILAOHUA。

7) 金属结构外露面防腐

大通彩票开户 1) ZHIXINGBIAOZHUN JINSHUJIEGOUWAILUMIANDEFANGFUZHIXING《SHUIGONGJINSHUJIEGOUFANGFUSHIGUIFAN》SL105。

2) PINZHONGJIHOUDU DIQI:HUANYANGFUXINDIQI,GANMOHOUDU80μm;ZHONGJIANQI:HUANYANGYUNTIEFANGXIUQI,GANMOHOUDU100μm;CHAOHOUJIANGXINGHUANYANGLIQINGFANGFUQI,GANMOHOUDU70μm。

3) TUZHUANGQIANBIAOMIANCHULI FALANHEDUANGUANBIAOMIANFANGFUCAIYONGYASUOKONGQIPENSHAHUODIANDONGGONGJUDUIJINSHUBIAOMIANJINXINGCHUXIU,CHUXIUDENGJIYINGDADAO《TUZHUANGQIANGANGCAIBIAOMIANXIUSHIDENGJIHECHUXIUDENGJI》GB8923ZHONGDESa2.5JI。

4) FANGFUCENGSHIGONG ⑴ TUZHUANGSHIXIANGDUISHIDUYINGBUDAYU85%QIEGANGCAIBIAOMIANGAOYULUDIANWENDU3℃YISHANG,HUANJINGWENDUBUDIYU5℃。DAFENG、YU、WUTIANQIBUYIJINXINGSHIWAISHIGONG。

大通彩票开户 ⑵ KECAIYONGSHUATU、PENTUHUOGAOYAWUQIPENTU,DANTUCENGHOUDUBIXUJUNYUN,SHUATUSHIGEDAOQITUZHUANGFANGXIANGYINGXIANGHUCHUIZHI。

⑶ BIAOMIANYUCHULIHEGEDEGUANCAIYINGJINKUAITUSHUADIQI,JIANGESHIJIANBUDECHAOGUO4XIAOSHI。YAOQIUTUSHUAJUNYUN,BUDELOUTU。DIQI(ZHONGJIANQI)BIAOGANHOU,JIKETUZHONGJIANQI(MIANQI)。TUSHUAYAOJUNYUN,BUDELOUTU。ZAICHANGWENXIA,LIANGDAOTUCENGZHIJIANTUZHUANGDEJIANGESHIJIANBUYINGCHAOGUO24h。 YINGBAOZHENGGEDAOTUMOBIAOMIANBUFASHENGSHACHEN、SHUI、YOUDENGYINGXIANGTUCENGZHILIANGDEWURAN。

⑷ TUZHUANGJIESHU,TUCENGGUHUAHOUFANGKEYUNSHU,BINGZAIYUNSHUZHONGCAIQUKEKAOCUOSHIFANGZHITUCENGBEIPOHUAI。

8) 质量检验及验收资料,执行SL105相关规定

1、CHENGCHAKOUFANGFU CHENGCHAKOUGANGQUANDEFANGFUZHIXING《SHUIGONGJINSHUJIEGOUFANGFUSHIGUIFAN》SL105。 CHENGCHAKOUZHITUYIDAOHUANYANGFUXINDIQI,HOUDU40μm。

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