| 我国长输管道下向焊技术的现状及发展趋势 |
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| 引用本文： | 常兴,宗照峰,林伟杰,吴勇,王文焱.我国长输管道下向焊技术的现状及发展趋势[J].焊接,2001(11):5-8. |
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| 作者姓名： | 常兴 宗照峰 林伟杰 吴勇 王文焱 |
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| 作者单位： | 中原石油勘探局建筑安装工程公司,濮阳市,457001 |
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| 摘 要： | 根据我国长输管道建设的发展历程，总结了全纤维素型、混合型、复合型三种手工下向焊技术及活性气体保护、药芯焊丝自保护两种半自动下向焊技术和全自动活性气体保护焊与全自动药芯焊丝下向焊技术的工艺特点及在我国长输管道建设中的应用状况，指出了全自动活性气体保护焊和全自动药芯焊丝下向焊将是我国长输管道下向焊技术的发展方向。
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| 关 键 词： | 长输管道 下向焊 油气管 焊接 |
| 修稿时间： | 2001年6月20日 |
PRESENT SITUATION AND DEVELOPING TENDENCY OF THE VERTICAL DOWN WELDING TECHNOLOGY OF PIPELINE IN CHINA |
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| Construction &Installing Project Company of Zhongyuan Petroleum Exploration Bureau Chang Xing,Zong Zhaofeng,Lin Weijie,Wu Yong,Wang Wenyan.PRESENT SITUATION AND DEVELOPING TENDENCY OF THE VERTICAL DOWN WELDING TECHNOLOGY OF PIPELINE IN CHINA[J].Welding & Joining,2001(11):5-8. |
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| Authors: | Construction &Installing Project Company of Zhongyuan Petroleum Exploration Bureau Chang Xing Zong Zhaofeng Lin Weijie Wu Yong Wang Wenyan |
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| Abstract: | According to the development of pipeline construction in China,the paper introduces technology feature of manual vertical down welding (cellulose type?mixed type?compound type),semi-automatic vertical down welding(MAG?self-shielded flux-cored wire),automatic vertical down welding(MAG?self-shielded flux-cored wire).It is pointed out that the developing tendency of vertical down welding for pipeline in china is automatic vertical down welding. |
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| Keywords: | pipeline vertical down welding present situation development |
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