[1]谢 挺,尉迟浩,杨勤祥,等.钢管三层聚烯烃涂层基材修补技术和工艺研究[J].焊管,2019,42(12):40-44.[doi:10.19291/j.cnki.1001-3938.2019.12.008]
 XIE Ting,YUCHI hao,YANG Qinxiang,et al.Research on Repair Technology of Three-layer Polyolefin Coating Base Material for Steel Pipe[J].,2019,42(12):40-44.[doi:10.19291/j.cnki.1001-3938.2019.12.008]
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钢管三层聚烯烃涂层基材修补技术和工艺研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
42
期数:
2019年第12期
页码:
40-44
栏目:
工艺与设备
出版日期:
2019-12-28

文章信息/Info

Title:
Research on Repair Technology of Three-layer Polyolefin Coating
 Base Material for Steel Pipe
文章编号:
10.19291/j.cnki.1001-3938.2019.12.008
作者:
谢 挺尉迟浩杨勤祥廖青云
海隆管道工程技术服务有限公司,上海 200949
Author(s):
XIE Ting YUCHI hao YANG Qinxiang LIAO Qingyun
Hilong Pipeline Engineering Technology Service Co., Ltd., Shanghai 200949, China
关键词:
钢管环氧防腐涂层3LPE涂层修补
Keywords:
steel pipe epoxy anticorrosive coating 3LPE coating repair
分类号:
TE988.2
DOI:
10.19291/j.cnki.1001-3938.2019.12.008
文献标志码:
B
摘要:
针对目前钢管三层聚烯烃涂层(3PE)在加工及运输过程中出现的涂层破损且修补技术不成熟的现状,分析了涂层损伤的类型以及涂层的性能要求,并对底层液态环氧涂料“胶化窗口”的把控以及中间层胶粘剂和面层聚烯烃的施工时间进行了研究。在研究的基础上形成了一种有效的、满足质量标准要求的长输管线3LPE涂层底层损伤修补技术和工艺,给出了该修补技术的工艺流程并进行了工艺验证。验证结果表明,采用该技术形成的3LPE修补涂层满足GB/T 23257—2017关于管体3LPE涂层指标的要求,并且可减少材料浪费,节约成本,提高产品质量。
Abstract:
In view of the current situation of the coating damage and immature repair technology in the process of manufacturing and transportation of the three-layer polyolefin coating(3LPE) for steel pipes, the types of the coating damage and the performance requirements of the coating are analyzed,and the control of the“gelatinizing window”of the bottom liquid epoxy coating and the construction time of the middle layer adhesive and the surface layer polyolefin are studied. On the basis of the research,an effective repair technology and process for 3LPE coating bottom layer damage of long-distance pipeline, which meet the requirements of the quality standards,are formed,and the process flow of the repair technology is given and verified. The verification results show that the 3LPE repair coating formed by this technology meets the requirements of GB/T 23257—2017 on 3LPE coating index of the pipe body,and can reduce material waste,save cost and improve product quality.

参考文献/References:

[1] 张其滨,刘金霞,赫连建峰,等. 管道3LPE防腐层技术的研究与应用进展[J]. 石油工程建设,2010,36(3):1-5.
[2] GB/T 23257—2017,埋地钢质管道聚乙烯防腐层[S].
[3] DS/EN ISO 21809-1:2011,Petroleum and Natural Gas Industries External Coatings for Buried or Submerged Pipelines Used in Pipeline Transportation Systems-part 1:Polyolefin Coatings(3-layer PE and 3-layer PP)[S].
[4] AS/NZS 3862:2002,External Fusion-bonded Epoxy Coating for Steel Pipes[S].
[5] ASTM D4541-09,Standard Test Method for Pull-off Strength of Coating Using Portable Adhesion Tester[S].
[6] 谢挺,廖青云. 生产中影响钢管聚乙烯防腐层性能的因素[J]. 焊管,2019,42(2):63-68.
[7] 于吉涛,张风生,王巧玲. 低温固化环氧粉末涂料[J]. 现代涂料与涂装,2008,11(4):18-20.
[8] GB/T 5206—2015,色漆和清漆 术语和定义[S].
[9] CSA Z245.20-02,External Fusion Bond Epoxy Coating for Steel Pipe[S].
[10] SSPC SP1—2004,Surface Preparation Specification No.1 Solvent Clean[S].

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备注/Memo

备注/Memo:
收稿日期:2019-06-13
作者简介:谢 挺(1986—),男,工程师,主要从事表面处理、管道防腐及混凝土配重涂层涂装、失效分析等工作。
更新日期/Last Update: 2020-01-16