[1]卢卫卓,刘 迟,魏亚秋.海底管线用双金属复合管3LPP防腐质量控制[J].焊管,2014,37(12):68-72.[doi:1001-3938(2014)12-0068-05]
 LU Weizhuo,LIU Chi,WEI Yaqiu,et al.3PP Corrosion Resistance Quality Control of Bimetal Composite Pipe Used for Submarine Pipeline[J].,2014,37(12):68-72.[doi:1001-3938(2014)12-0068-05]
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海底管线用双金属复合管3LPP防腐质量控制
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第12期
页码:
68-72
栏目:
经验交流
出版日期:
2014-12-28

文章信息/Info

Title:
3PP Corrosion Resistance Quality Control of Bimetal Composite Pipe
 Used for Submarine Pipeline
文章编号:
1001-3938(2014)12-0068-05
作者:
卢卫卓1刘 迟12魏亚秋1
(1.北京隆盛泰科石油管科技有限公司, 北京 100101;
2.中国石油集团石油管工程技术研究院, 西安 710065)
Author(s):
LU Weizhuo1 LIU Chi1 2 WEI Yaqiu1
(1. Beijing Longshine Oil Tubular Technology Co., Ltd., Beijing 100101, China;
2. CNPC Tubular Goods Research Institute, Xi’an 710065, China)
关键词:
双金属复合管机械复合3LPP防腐质量控制管端
Keywords:
bimetal composite pipe mechanical composite 3LPP coating quality control pipe end
分类号:
TG178
DOI:
1001-3938(2014)12-0068-05
文献标志码:
B
摘要:
针对双金属复合管的结构特性、海上特殊施焊条件以及对管端的高质量要求,分别从双金属复合管3LPP防腐前准备、喷涂、防腐后水冷、内壁检查和管端处理等环节探讨了防腐质量的控制,并提出了提高双金属复合管防腐质量的有效措施,即:采用防腐全过程管端保护;分段预热、使用2个或3个中频加热器逐步使双金属复合管表面温度达到环氧粉末喷涂要求,尽可能使温度变化缓慢,降低内衬管与基管松脱风险;严控水冷时机、水冷温度及水量;防腐后内壁空压机风干、通径检验、内窥镜检验、管端水性防锈油喷涂及保护套安装密封。质量控制措施应用于平北黄岩油气田群一期双金属复合管3LPP防腐项目上,防腐质量良好。
Abstract:
According to the structural characteristics of bimetal composite pipe, maritime special welding conditions and high quality requirements for pipe ends, it respectively discussed corrosion resistance quality control from several aspects, such as anticorrosion preparation, coating, water cooling after coating, check lining and pipe end processing, and put forward effective measures for improving coating quality of bimetal composite pipe, that is adopting pipe end protection in whole coating process; subsection preheating, utilizing two or three Intermediate frequency heaters to make surface temperature achieve epoxy powder coating requirements, and as far as possible, make temperature change slowly to reduce loose and take off risks of lining tube and base tube; strict control water cooling time, temperature and water quantity; lining air drying by air compressor after coating, nominal diameter inspection, endoscope inspection, pipe end water-based anti-rust oil spraying and protective seal installation. The quality control measures were applied in bimetal composite pipe 3LPP corrosion resistance project(phase 1) in Pingbei Huangyan oil and gas group, and achieved satisfactory coating quality.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-07-09
作者简介:卢卫卓(1984—),男 ,设备监理师,主要从事油气输送管线用钢管、弯管、三通以及法兰等设备生产检验检测质量监督工作。
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