[1]隋永莉,曹晓军,胡小坡.油气管道环焊缝焊接施工应关注的问题及建议[J].焊管,2014,37(5):62-65.[doi:1001-3938(2014)05-0062-04]
 SUI Yongli,CAO Xiaojun,HU Xiaopo.Focus on Problems and Suggestions of Oil and Gas Pipeline Circumferential Weld Welding at Site Construction[J].,2014,37(5):62-65.[doi:1001-3938(2014)05-0062-04]
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油气管道环焊缝焊接施工应关注的问题及建议
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第5期
页码:
62-65
栏目:
经验交流
出版日期:
2014-05-28

文章信息/Info

Title:
Focus on Problems and Suggestions of Oil and Gas Pipeline Circumferential
Weld Welding at Site Construction
文章编号:
1001-3938(2014)05-0062-04
作者:
隋永莉12曹晓军3胡小坡4
(1. 油气管道输送安全国家工程实验室,河北 廊坊 065000;
2. 中国石油天然气管道科学研究院,河北 廊坊 065000;
3. 中国石油天然气管道局安全环保部,河北 廊坊 065000;
4. 中国石油天然气管道建设项目经理部工程管理处,北京 100084)
Author(s):
SUI Yongli12CAO Xiaojun3HU Xiaopo4
(1. National Engineering Laboratory for Pipeline Safety,Langfang 065000,Hebei,China;
2. China Petroleum Natural Gas Pipeline Scientific Research Academy,Langfang 065000,Hebei,China;
3. China Petroleum Pipeline Bureau Safety and Environmental Protection Department,Langfang 065000,Hebei,China;
4. CNPC Pipeline Construction Administration Department Project Management Office,Beijing 100084,China)
关键词:
焊接油气管道环焊缝焊接施工焊接质量
Keywords:
weidingoil and gas pipelinecircumferential weldwelding constructionwelding quality
分类号:
TG44
DOI:
1001-3938(2014)05-0062-04
文献标志码:
A
摘要:
随着管道建设用钢管强度等级的提高,环焊缝越来越成为制约管道焊接施工的关键环节。笔者提出了连头焊接、返修焊接、高寒地区冬季施工及特殊地质条件下环焊缝应力状态等油气管道现场焊接施工中应关注的问题,阐述了连头和返修的术语定义,对比国内外冬季施工的标准规定和实际经验,对环焊缝在不同载荷条件下的应力状态进行了分析,并结合目前的管道建设现状给出了相应的焊接建议,如连头根焊宜采用上向焊、返修焊接不应采用自保护药芯焊丝、冬季焊接施工可行但应提前做好防护准备、承受侧向应力的环焊缝应采用高强匹配焊接工艺等。
Abstract:
Along with steel pipe strength grade increasing applied for pipeline construction, the circumferential weld increasingly become the key link of pipeline welding construction. In this article, it put forward some focus on problems in site welding construction of oil and gas pipeline, such as butt welding, repair welding, winter construction in alpine region and circumferential weld stress condition under particular geological conditions, the term definition of butt welding and repair welding were introduced. It compared standard requirements and practical experience in winter construction at home and abroad, analyzed stress state of circumferential weld under different load, and gave corresponding welding suggestions, combining with present pipeline construction status, such as adopting up-welding in root welding; For repair welding, the welding is not applicable using self-protection flux-cored wire; For winter welding construction in pipeline, it can be executed under the condition of protection preparation; Circumferential weld undergoing side stress should adopt high and strength matching welding procedure.

参考文献/References:

[1] NB/T 47015—2011,压力容器焊接规程[S].
[2] Q/SY 4103—2006,钢质管道焊接及验收[S].
[3] SY/T 4125—2013,钢质管道焊接规程[S].
[4] СНИП III-42-80, Магистральныетрубопроводы.Правилапроизводства и приемкиработ[S].
[5] API 1104,Welding of Pipelines and Related Facilities[S].
[6] GB 50369—2006,油气长输管道工程施工及验收规范[S].
[7] 隋永莉,于永超,王建国.长输管道连头施工技术研究[J].石油天然气学报,2011,33(09):304-306.
[8] 隋永莉,薛振奎.西气东输二线管道工程的焊接技术特点[J].电焊机,2009,39(05):18-21.
[9] 曾惠林,隋永莉.西气东输二线干线管道冬季焊接技术研究[J].压力容器,2009,26(06):46-49.
[10] 隋永莉,王福柱.长输管道建设中焊接设备的应用现状与发展趋势[J].电焊机,2006,36(12):1-3.

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备注/Memo

备注/Memo:
基金项目:中国石油天然气股份有限公司重大科技项目(2012E-2801-06)。
收稿日期:2014-02-08
作者简介:隋永莉(1970—),女,博士,教授级高级工程师,主要从事油气管道及储罐的现场焊接技术研究工作。
更新日期/Last Update: