| 管道3LPE防腐层补口技术研究和应用新进展 |
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| 引用本文： | 张其滨,张丽萍,刘金霞,赫连建峰. 管道3LPE防腐层补口技术研究和应用新进展[J]. 石油工程建设, 2014, 0(1): 45-49 |
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| 作者姓名： | 张其滨 张丽萍 刘金霞 赫连建峰 |
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| 作者单位： | 天津中油渤星工程科技有限公司;中国石油集团工程技术研究院 |
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| 摘 要： | 文章介绍了国内管道3LPE防腐层采用热收缩带补口存在的问题及其原因,重点介绍了热收缩带补口技术的改进研究以及适用于3LPE防腐层的新型补口材料和结构的研究及其应用的最新进展,包括热收缩带热熔胶的改进、环氧底漆的改进、施工机具的研究;喷涂聚氨酯补口、压敏胶型热收缩带补口、粘弹体补口、液体环氧涂料补口等技术。
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| 关 键 词： | 管道 3LPE防腐层 补口 热收缩带 施工机具 |
Progress in Development and Application of Weld Joint Coating Technology for Pipeline with 3LPE Coating |
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| Affiliation: | Zhang Qibin;Zhang Liping;Liu Jinxia;Helian Jianfeng;CNPC Tianjin Bo-xing Engineering Science & Technology Company Ltd.;CNPC Research Institute of Petroleum Engineering; |
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| Abstract: | This paper introduces the problems existing in heat shrinkable tape for joint coating of domestic pipelines with 3LPE coating and gives the reason analysis. It focuses on the latest progresses in research and application of improvement technology of the heat shrinkable tape for joint coating, new joint coating materials and structures suitable for 3LPE anticorrosion coating, including improvement of heat melting adhesive, improvement of epoxy primer, development of construction machines and tools, spraying PU joint coating, heat shrinkable tape with pressure sensitive adhesive, non-crystalline low-viscosity polyolefin compound joint coating, liquid epoxy joint coating, etc. |
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| Keywords: | pipeline 3LPE coating weld joint coating heat shrinkable tape construction machine and tools |
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