[1]王冬林,张佳宁,祝 龙,等.长输管线绝缘接头气密性试验泄露分析及检测方案[J].焊管,2021,44(2):53-56.[doi:10.19291/j.cnki.1001-3938.2021.02.011]
 WANG Donglin,ZHANG Jianing,ZHU Long,et al.Leakage Analysis and Detection Scheme of Long Distance Pipeline Insulation Joint Air Tightness Test[J].,2021,44(2):53-56.[doi:10.19291/j.cnki.1001-3938.2021.02.011]
点击复制

长输管线绝缘接头气密性试验泄露分析及检测方案()
分享到:

《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
第44卷
期数:
2021年第2期
页码:
53-56
栏目:
经验交流
出版日期:
2021-02-28

文章信息/Info

Title:
Leakage Analysis and Detection Scheme of Long Distance Pipeline Insulation Joint Air Tightness Test
文章编号:
10.19291/j.cnki.1001-3938.2021.02.011
作者:
王冬林张佳宁祝 龙吴金辉蔡 彬
1. 中国石油集团石油管工程技术研究院,西安710077;
2. 北京隆盛泰科石油管科技有限公司,北京100101;
3. 陕西省天然气股份有限公司,西安710016
Author(s):
WANG Donglin ZHANG Jianing ZHU Long WU Jinhui CAI Bin
1. CNPC Tubular Goods Research Institute, Xi’an 710077, China;
2. Beijing Longsheng Taike Petroleum Pipe Technology Co., Ltd., Beijing 100101, China;
3. Shaanxi Provincial Natural Gas Co., Ltd., Xi’an 710016, China
关键词:
绝缘接头气密性试验泄露检测方案
Keywords:
insulation joint air tightness test leakage detection scheme
分类号:
TG445
DOI:
10.19291/j.cnki.1001-3938.2021.02.011
文献标志码:
B
摘要:
针对某国家项目采购的绝缘接头出现的气密性试验泄露现象,从钢制短管及锻件质量、焊缝质量、密封件及绝缘件质量、绝缘填料注入及压装工艺质量等方面进行了分析。分析结果表明,密封件的尺寸和性能不符合技术要求是导致绝缘接头泄露的根本原因;水压+弯矩试验过程中绝缘接头中间部分发生弯曲,进一步加重密封件的损坏程度,造成了最终气密性试验泄露。根据绝缘接头的泄露原因,提出了优化的检测方案。经实践应用验证,加装漏气孔检查泄露情况的方案测试结果较好,能够更早、更精准地发现泄露情况,提高气密性检测的效率。
Abstract:
Aiming at the leakage phenomenon of air tightness test of insulated joint purchased in a national project, the quality of steel short pipe and forging, weld quality, quality of sealing parts and insulating parts, quality of insulation filler injection and pressing process are analyzed. The results show that the size and performance of the seal do not meet the technical requirements is the root cause of the leakage of the insulation joint. During the water pressure + bending torque test, the middle part of the insulation joint is bent, which further aggravates the damage of the seal, resulting in the leakage of the final air tightness test. According to the leakage reason of insulated joint, the optimized detection scheme is put forward. The practical application shows that the scheme of installing leak hole to check the leakage has good test results, which can find the leakage earlier and more accurately, and improve the efficiency of air tightness detection.

参考文献/References:

[1] 孟庆鹏,李金国. 长输管道绝缘接头的应用及安全性分析[J]. 油气储运,2007(3):59-62,67.

[2] 徐光波,黎珍. 绝缘法兰和整体型绝缘接头在防腐工程中应用[J]. 煤气与热力,2002(4):363-364,366.
[3] 岳进才. 压力管道技术[M]. 北京:中国石化出版社,2006:54.
[4] 杨云兰,李文勇,丛川波,等. 外径1 422 mm X80管道低温整体式绝缘接头设计与制造关键技术[J]. 油气储运,2020,39(3):326-333.
[5] 蒋志,杜涓,马蠡,等. 混输高矿化度气田水集输管道绝缘接头附近非保护端管线内腐蚀分析及解决方案[J]. 全面腐蚀控制,2020,34(3):6-8,57.
[6] 邵宏智. 大口径管线用绝缘接头制造[J]. 金属加工(冷加工),2017(8):33-36.
[7] 郑亚飞,赵振兴,程晖,等. 油气管道整体式绝缘接头泄漏分析与预防建议[J]. 油气储运,2016,35(12):1365-1368.
[8] 王冬林,闫凯,韩新利,等. 三相分离器运行参数对分离效果的影响[J]. 有色金属工程,2015,5(5):38-41.
[9] 王冬林,丛山,朱文军,等. 绝缘接头质量管控分析[J].设备管理与维修,2019(17):129-130.
[10] SY/T 0516—2016,绝缘接头与绝缘法兰技术规范[S].
[11] GB/T 9711—2017,石油天然气工业管线输送用钢管[S].
[12] ASTM A694/A694M—2016,高压传动设备用管法兰、配件、阀门和零件用碳素钢和合金钢锻件[S].
[13] NB/T 47014—2011,承压设备焊接工艺评定[S].
[14] NB/T 47013—2015,承压设备无损检测[S].

相似文献/References:

[1]张丹丹,符利兵,杨永良,等.S31603锻件与钢管焊接接头的腐蚀性能[J].焊管,2020,43(7):44.[doi:10.19291/j.cnki.1001-3938.2020.07.009]
 ZHANG Dandan,FU Libing,YANG Yongliang,et al.Corrosion Resistance of Welded Joint between S31603 Forging and Pipeline Steel[J].,2020,43(2):44.[doi:10.19291/j.cnki.1001-3938.2020.07.009]

备注/Memo

备注/Memo:
收稿日期:2020-06-02
作者简介:王冬林(1985—),男,陕西西安人,高级工程师,现主要从事石油管材和设备的质量监督与检验工作。
更新日期/Last Update: 2021-04-08