[1]陈岗,王郁林,王志成,等.湿硫化氢环境下分层缺陷检测与评价方法研究[J].石油化工设备,2025,54(02):21-27.[doi:10.3969/j.issn.1000-7466.2025.02.004]
　CHEN Gang,WANG Yu-lin,WANG Zhi-cheng,et al.Research on the Detection and Evaluation Methods of Delamination Defects in Wet Hydrogen Sulfide Environment[J].Petro-Chemical Equipment,2025,54(02):21-27.[doi:10.3969/j.issn.1000-7466.2025.02.004]
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湿硫化氢环境下分层缺陷检测与评价方法研究()
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石油化工设备[ISSN:1000-7466/CN:62-1078/TQ]

卷:
54
期数:
2025年02期
页码:
21-27
栏目:
试验研究
出版日期:
2025-03-25

文章信息/Info

Title:
Research on the Detection and Evaluation Methods of Delamination Defects in Wet Hydrogen Sulfide Environment
文章编号:
1000-7466(2025)02-0021-07
作者:
陈岗1; 王郁林1; 王志成2; 王应植2; 3
1.中石化金陵分公司,江苏 南京 210033；2.常州大学 安全科学与工程学院,江苏 常州 213164； 3.江苏省特种设备安全监督检验研究院，江苏 南京 210036
Author(s):
CHEN Gang1; WANG Yu-lin1; WANG Zhi-cheng2; WANG Ying-zhi2; 3
1.SINOPEC Jinling Petrochemical Corporation, Nanjing 210033, China; 2.School of Safety Science and Engineering，Changzhou University, Changzhou 213164, China; 3.Jiangsu Special Equipment Safety Supervision Inspection Institute, Nanjing 210036 , China
关键词:
压力容器; 湿硫化氢; 分层缺陷; 超声检测; 缺陷评定
Keywords:
pressure vessel;  wet hydrogen sulfide;  delamination defect;  ultrasonic testing;  defect assessment
分类号:
TQ050.4
DOI:
10.3969/j.issn.1000-7466.2025.02.004
文献标志码:
A
摘要:
以某厂湿硫化氢环境下长期服役的2台压力容器为例，依据相关标准对其分层缺陷进行检测与评定。运用超声检测对分层缺陷进行检测，并利用工业CT法和解剖法对检测结果进行验证；对压力容器开展拉伸试验，分析湿硫化氢环境对材料性能的影响；采用有限元方法，分析分层缺陷的长度、夹角对设备安全性的影响。试验和分析结果表明，超声检测确定分层缺陷的几何尺寸时，存在一定的偏差，但仍满足缺陷评定的需求。湿硫化氢环境下，长期服役的材料抗拉强度未见明显劣化，但屈服强度和塑性下降。模拟结果表明，分层缺陷长度小于200 mm，夹角小于15°时，开口趋势闭合，不易发生扩展。研究结果可为完善压力容器分层缺陷的检验和评价方法提供参考。
Abstract:
Taking two pressure vessels in long-term operation under wet hydrogen sulfide environment in a factory as an example, the delamination defects were detected and evaluated according to relevant standards. The delamination defects were detected by ultrasonic testing, and the detection results were verified by industrial CT method and anatomical method. Tensile tests of pressure vessels were conducted to analyze the influence of wet hydrogen sulfide environment on material properties. The finite element method is used to analyze the influence of the length and angle of the delamination defect on the safety of the equipment. The test and analysis results show that there is a certain deviation in determining the geometric size of the delamination defect by ultrasonic testing, but it still meets the needs of defect evaluation. In the wet hydrogen sulfide environment, the tensile strength of the material in long-term service did not deteriorate significantly, but the yield strength and plasticity decreased. The simulation results show that when the length of the delamination defect is less than 200 mm and the angle is less than 15°, the opening trend is closed and it is not easy to expand. The research results can provide a reference for improving the inspection and evaluation methods of delamination defects of pressure vessels.

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备注/Memo

备注/Memo:
收稿日期：2024-11-30
作者简介：陈 岗（1971-）,男,江苏泰兴人,高级工程师,学士,长期从事石化企业设备管理和特种设备安全技术研究工作。
更新日期/Last Update: 2025-03-25