| 全尺寸气体爆破试验用管道设计技术难点 |
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| 作者姓名： | 李鹤 谢萍 庞艳凤 杨明 池强 霍春勇 |
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| 作者单位： | 中国石油集团石油管工程技术研究院;中国石油天然气股份有限公司西部管道分公司;中国石油天然气股份有限公司规划总院 |
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| 基金项目： | 国家重点研发计划“低温高压服役条件下高强度管线用钢”(项目编号2017YFB0304900);中国石油天然气集团公司科学研究与技术开发项目“低温X80钢管制造及应用技术研究”(项目编号2017YFB0304904) |
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| 摘 要： | 对于高钢级大口径天然气管道而言,需要通过全尺寸气体爆破试验来确定钢管止裂韧性。全尺寸爆破试验用管道及附属设施设计是否合理,决定了全尺寸气体爆破试验是否能够顺利实施并获得可靠的试验结果。研究计算得到了爆破试验用储气管道及试验管道长度,以及试验管道上安装的线性聚能切割器长度、止裂器厚度、长度等关键参数。以上关键技术问题的解决保障了X80及X90系列全尺寸气体爆破试验的顺利开展。
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| 关 键 词： | 全尺寸气体爆破试验场 减压波 线性聚能切割器 临界裂纹尺寸 止裂器 |
Technology Problems of Pipeline Design for the Full-scale Burst Testing |
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| Authors: | LI He XIE Ping PANG Yanfeng YANG Ming CHI Qiang HUO Chunyong |
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| Affiliation: | (CNPC Tubular Goods Research Institute,State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials,Xi′an,Shaanxi 710077,China;PetroChina West Pipeline Company,Urumqi,Xinjiang 830013,China;PetroChina Planning and Engineering Institute,Beijing 100083,China) |
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| Abstract: | For high-grade large-diameter gas pipeline,full-scale burst testing is indispensable to determine the pipeline arrest toughness.The design of pipeline and pipeline accessories which are used in the full-scale burst testing is very important for it decides if the full-scale burst test can be successfully carried out and reliable results can be got.During present study,some key parameters have been calculated including test section length,gas reservoir length,linear shaped cutter length,arrestor thickness and length.The solution of these design problems guarantees that serials of X80 and X90 full scale burst tests have been successfully carried out. |
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| Keywords: | full-scale burst test site decompression linear shaped cutter critical crack size arrestor |
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