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水网地区大直径长输管道自动焊施工适应性研究
引用本文:刘兴邦,汪宏辉,王 淦,高 鹏,周洪云,贾继聪.水网地区大直径长输管道自动焊施工适应性研究[J].焊管,2022,45(7):52-56.
作者姓名:刘兴邦  汪宏辉  王 淦  高 鹏  周洪云  贾继聪
作者单位:1.中石化江苏油建工程有限公司,江苏 扬州 225126;2.国家管网集团江苏天然气管道有限责任公司,南京 210000
摘    要:针对水网地区大直径长输管道施工过程中存在的设备行走困难、施工带承载力差、焊接质量不稳定等问题,从线路优化、设备改造、施工带改造、机组配置优化等方面进行了管道自动焊施工的适应性研究,并从施工方案和工艺规程制定、焊接前准备以及焊接过程控制等方面提出了针对性的焊接质量控制措施。优化后的管道自动焊施工技术经过项目施工验证,不仅降低了水网地区管道施工难度,提升了施工效率,而且充分发挥了全自动焊接技术高效、高质量和高稳定性的特点,证明了全自动焊在水网地区大直径长输管道施工中的可行性,为自动焊技术在水网地区管道施工中的推广提供了依据。

关 键 词:水网地区  大直径长输管道  全自动焊接  焊接质量控制

Research on the Adaptability of Automatic Welding Construction of Large-diameter Long-distance Pipeline in Water Areas
LIU Xingbang,WANG Honghui,WANG Gan,GAO Peng,ZHOU Hongyun,JIA Jicong.Research on the Adaptability of Automatic Welding Construction of Large-diameter Long-distance Pipeline in Water Areas[J].Welded Pipe and Tube,2022,45(7):52-56.
Authors:LIU Xingbang  WANG Honghui  WANG Gan  GAO Peng  ZHOU Hongyun  JIA Jicong
Affiliation:1.Sinopec Petroleum Engineering & Construction Jiangsu Corporation,Yangzhou 225126,Jiangsu,China;2.Pipechina Group Jiangsu Natural Gas Pipeline Co.,Ltd.,Nanjing 210000,China
Abstract:In view of the problems in the construction of large-diameter long-distance transmission pipelines in water network area,such as difficulties in equipment travel,poor bearing capacity of construction zone and unstable welding quality,the adaptability of pipeline automatic welding construction is studied from the aspects of line optimization,equipment transformation,construction zone transformation and unit configuration optimization.Targeted welding quality control measures are put forward from the aspects of pre-welding preparation and welding process control.The optimized pipeline automatic welding construction technology has been verified by the project construction,which not only reduces the difficulty of pipeline construction in water network areas and improves the construction efficiency,but also gives full play to the characteristics of high efficiency,high quality and high stability of automatic welding technology,and proves the feasibility of fully automatic welding in the construction of large-diameter long-distance pipeline in water network areas.It also provides a basis for the popularization of automatic welding technology in the construction of water network lots.
Keywords:water area  large-diameter long-distance pipeline  fully automatic welding  welding quality control
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