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[1]李丽锋,罗金恒,赵新伟,等.管径1 422 mm、X80 管道的风险水平[J].油气储运,2016,35(12):1285-1289.[doi:10.6047/j.issn.1000-8241.2016.12.006]
LI Lifeng,LUO Jinheng,ZHAO Xinwei,et al.Risk level of OD 1 422 mm X80 Pipelines[J].Oil & Gas Storage and Transportation,2016,35(12):1285-1289.[doi:10.6047/j.issn.1000-8241.2016.12.006]
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LI Lifeng,LUO Jinheng,ZHAO Xinwei,et al.Risk level of OD 1 422 mm X80 Pipelines[J].Oil & Gas Storage and Transportation,2016,35(12):1285-1289.[doi:10.6047/j.issn.1000-8241.2016.12.006]
管径1 422 mm、X80 管道的风险水平
《油气储运》[ISSN:1000-8241/CN:13-1093/TE]
卷:
35
期数:
2016年第12期
页码:
1285-1289
栏目:
完整性与可靠性
出版日期:
2016-12-25
- Title:
- Risk level of OD 1 422 mm X80 Pipelines
- Keywords:
- natural gas; pipelines; large diameter; risk
- 分类号:
- TE88
- 文献标志码:
- A
- 摘要:
- 为了研究管径增大对天然气管道安全可靠性的影响，分析管径1 422 mm、X80 管道方案的可 行性，基于管道风险评估理论，从止裂韧性、潜在危害影响范围、临界缺陷尺寸、刺穿抗力、失效概率、 个体风险及运行风险等方面，对比分析了0.72 设计系数下管径1 422 mm、X80 管道与0.72 和0.8 设 计系数下的1 219 mm、X80 管道的风险水平。结果表明：在同等运行条件下，与设计系数为0.8 和 0.72、管径1 219 mm、X80 管道相比，设计系数为0.72、管径1 422 mm、X80 管道临界缺陷尺寸和刺 穿抗力有所提高，外腐蚀和设备撞击引起的管道失效概率有所下降，潜在危害影响区域半径增大，对 应的失效后果可能增加，总体风险水平相应提高，但相差不大。研究结果可为大输量管道方案优选 提供决策依据，为管径1 422 mm、X80 管道工程设计与建设提供技术支撑。（图6，表3，参10）
- Abstract:
- In order to study the effect of pipe diameter increase on the safety and reliability of natural gas pipelines and analyze the feasibility of OD 1 422 mm X80 pipeline program, the risk levels were compared between OD 1 422 mm X80 pipeline with the design factor 0.72 and OD 1 219 mm X80 pipelines with the design factor 0.72 and 0.8 on the basis of pipeline risk assessment theories from the respects of crack arresting toughness, potential hazard influencing area, critical defect size, puncture resistance, failure probability, individual risk and operating risk. Results showed that under the same operation conditions, OD 1 422 mm X80 pipeline with the design factor 0.72 is higher than OD 1 219 mm X80 pipeline with the design factor 0.72 and 0.8 in terms of the critical defect size and the puncture resistance, and lower in failure probability which is caused by external corrosion and equipment impact. However, the radius of potential hazard influencing area is larger. Correspondingly, failure consequence may be increased and the overall risk level may be higher, but their difference is not significant. The research results in this paper provide not only technical support for the design and construction of OD 1 422 mm X80 pipeline engineering, but also a decisive basis for the optimization of large-capacity pipeline programs. (6 Figures, 3 Tables, 10 References)
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备注/Memo
基金项目：中国石油天然气集团公司重大科技专项课题“OD 1 422 mm、X80 管道钢管应用技术研究”，2012E-2801-09。 作者简介：李丽锋，男，工程师，1983 年生，2008 年硕士毕业于北 京航空航天大学材料学专业，现主要从事油气储气设施安全评价和 风险评估工作。地址：陕西省西安市雁塔区锦业二路89 号，710077。 电话：13991827179，Email：lilifeng004@cnpc.com.cn
更新日期/Last Update:
1900-01-01