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內外防腐鋼管的做法

文章出處:gztb120.com 人氣:發表時間:2019-11-30 10:29

一般防腐鋼管管道內防腐需要多厚赛事竞猜: 總厚度不小于280μm。可選用環氧鐵紅底漆/環氧白陶瓷組成的復合涂層。GH102型白色環氧陶瓷涂料,已獲得中國衛生部的國產涉及飲用水衛生安全產品許可批件,并通過英國WRAS審查,批準在生活飲用水中使用。

 

1 FANGFUSHIBAOHU

赛事竞猜 1. 1 FANGFUSHICHULIDEBUWEIZHONGLEI

1)FUSHIXINGTURANG、SHUIHUANJINGTIAOJIANDUIGUANWAIBIAOMIANJINXINGHUANYANGMEILIQINGFANGFUSHICHULI。

2)YONGJIUXINGWAILUDEGANGZHIJIEGOUJIAN(RUFALANDUANGUAN)。

赛事竞猜 3)GANGCAIBIAOMIANJINXINGDETULIAODUANQIFANGFUSHICHULI(CHENGCHAKOUGANGQUANDENG)。

赛事竞猜 2 GUANDAOWAIBIAOMIANFANGFUSHIBAOHU

1) FANWEI BAOKUOZHIDINGQUYUDEBIAOZHUNGUAN、YIXINGGUANHEPEIJIANDENGGUANCAISHAJIANGBAOHUCENGBIAOMIANHUANYANGMEILIQINGFANGFUSHI。

FANGFUCHULIWEI:DIQIYIDAO、MIANQILIANGDAO,ZONGHOUDU400μm。 XUYAOJINXINGHUANYANGMEILIQINGFANGFUDEFANWEIJIANBIAO1、

GUANDAOWAIBIAOMIANFANGFUSHIBAOHUFANWEI

GUAN JING

ZHUANG HAO FAN WEI

CHANG DU(m)

赛事竞猜 DN3200

赛事竞猜 42+188~43+670

赛事竞猜 1482

DN2200

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

赛事竞猜 26440

DN2000

131+000~135+000,146+600~160+834,ZHIXIAN、PANGTONGXIAN3135m

赛事竞猜 21369

2)防腐涂料的技術指標

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。

赛事竞猜 HUANYANGMEILIQINGTULIAOYINGTONGSHIMANZUDEZHILIANGZHIBIAO

XUHAO

赛事竞猜 XIANG  MU

ZHI  BIAO

BEI  ZHU

1

赛事竞猜 GANZAOSHIJIAN—BIAOGAN

≤4h

GB/T5520-1993

2

GANZAOSHIJIAN—SHIGAN

赛事竞猜 ≤24h

GB/T5520-1993

3

QIANBIYINGDU

≥3H

GB/T1440-1989

6

NAI10%NaOH,30TIAN

赛事竞猜 WUQIPAO、WUKAILIE、WUTUOLUO

GB/T1730-1991

7

赛事竞猜 NAI10%H2SO4,30TIAN

WUQIPAO、WUKAILIE、WUTUOLUO

GB/T1730-1991

8

赛事竞猜 NAIMOXING(750g,1000r)

≤0.1g

GB/T6260-1991

9

LVLIZISHENTOUXISHU,30TIAN

5×103mg/cm2.d

GB/T1766-1989

⑵ TULIAOYINGYOUCHUCHANGHEGEZHENG、CHANPINSHUOMINGSHU、PIHAO、TUZHUANGGONGYICANSHUDENG。

⑶ CHENGBAORENYINGDUIMEIPITULIAODEZHILIANGZHIBIAOJINXINGFUYAN,BINGTIGONGFUYANBAOGAO。

3)表面預處理

赛事竞猜 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)防腐層施工

赛事竞猜 ⑴ TUZHUANGSHIXIANGDUISHIDUYINGBUDAYU85%QIEHUANJINGWENDUYINGBUDIYU5℃。DAFENG、YU、WUTIANQIJIQIANGLIEYANGGUANGZHAOSHEXIABUYIJINXINGSHIWAISHIGONG。

赛事竞猜 ⑵ KECAIYONGGAOYAWUQIPENTU,TUCENGHOUDUBIXUJUNYUN。

赛事竞猜 ⑶ DIQI:BIAOMIANYUCHULIHEGEDEGUANCAIYINGJINKUAITUSHUADIQI,JIANGEBUDECHAOGUO8XIAOSHI。YAOQIUTUSHUAJUNYUN,BUDELOUTU。MIANQI:DIQIBIAOGANHOU,JIKETUMIANQI。TUSHUAYAOJUNYUN,BUDELOUTU。ZAICHANGWENXIA,DIQI、GEDAOMIANQIDEJIANGESHIJIANBUYINGCHAOGUO24h。

⑷ TUZHUANGJIESHU,TUCENGSHIGANHOUFANGKEYUNSHU。

6)防腐層檢驗

⑴ FANGFUCENGBIAOGAN、SHIGANYUGUHUA:BIAOGAN——YONGSHOUQINGCHUBUZHANSHOU;SHIGAN——YONGSHOUZHITUIBUYIDONG;GUHUA——YONGSHOUZHIJIAZHONGKEBULIUKEHEN。

赛事竞猜 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) 金屬結構外露面防腐

赛事竞猜 1) ZHIXINGBIAOZHUN JINSHUJIEGOUWAILUMIANDEFANGFUZHIXING《SHUIGONGJINSHUJIEGOUFANGFUSHIGUIFAN》SL105。

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

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

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

赛事竞猜 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) 質量檢驗及驗收資料,執行SL105相關規定

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

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