Journal of Engineering Research
Journal of Engineering Research. 2025; 4: (1) ; 10.12208/j.jer.20250029 .
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中油宝世顺（秦皇岛）钢管有限公司 河北秦皇岛
*通讯作者： 李 涛,单位：中油宝世顺（秦皇岛）钢管有限公司 河北秦皇岛；
3PE 防腐层结构为底层环氧粉末、中间层胶粘剂、外层聚乙烯的三层防腐层结构。是一种性能优良的防腐涂层，其生产自动化程度高，施工速度快，易于施工质量管理和控制。3PE外涂敷冷却过程是钢管外防腐层涂敷工艺中的重要环节，由喷淋冷却系统、涂层预冷装置、喷淋水循环冷却装置等组成的防腐钢管生产冷却系统。该系统的应用对3PE涂层冷却、涂层质量控制等起到关键作用。依据涂敷生产线及喷淋冷却特点，设计科学合理的涂层喷淋冷却工艺系统，以满足大口径3PE防腐钢管的生产质量需求。
The 3PE anti-corrosion layer structure is a three-layer anti-corrosion layer structure of the bottom layer epoxy powder, the middle layer adhesive and the outer layer polyethylene. It is a kind of anticorrosive coating with excellent performance, which has high degree of production automation, fast construction speed and easy construction quality management and control. 3PE coating cooling process is an important link in the coating process of the outer anti-corrosion layer of the steel pipe, which is composed of spray cooling system, coating pre-cooling device, spray water circulation cooling device, etc. The application of this system plays a key role in 3PE coating cooling and coating quality control. According to the characteristics of coating production line and spray cooling, a scientific and reasonable coating spray cooling process system is designed to meet the production quality requirements of large diameter 3PE anticorrosive steel pipe.
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