| 水煤浆管道爆裂事故管道失效原因分析 |
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| 引用本文： | 杨一,张礼敬,丁文溪.水煤浆管道爆裂事故管道失效原因分析[J].工业安全与环保,2011,37(1):49-50. |
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| 作者姓名： | 杨一 张礼敬 丁文溪 |
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| 作者单位： | 1. 南京工业大学城市建设与安全工程学院,南京,21009
2. 兰州石化职业技术学院,兰州,730060 |
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| 基金项目： | 国家安全生产监督管理总局《2008年度安全生产科技发展计划》(08-089) |
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| 摘 要： | 针对一起20G水煤浆管道爆裂事故,采用宏观形貌分析、化学成分分析、金相显微组织分析 、SEM微观形貌分析、力学性能测试等试验方法,分析了水煤浆管道失效的原因.结果表明 , 管道破裂是由于管内压力突跃导致,薄膜方程估算得爆炸压力应在200MPa以上,推测为工艺过程中物理化学变化引起的.
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| 关 键 词： | 水煤浆管道 失效分析 压力突跃 薄膜理论 |
Failure Analysis for a Coal-water Slurry Pipeline Crack |
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| YANG Yi,ZHANG Lijing,DING Wenxi.Failure Analysis for a Coal-water Slurry Pipeline Crack[J].Industrial Safety and Dust Control,2011,37(1):49-50. |
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| Authors: | YANG Yi ZHANG Lijing DING Wenxi |
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| Institution: | YANG Yi1 ZHANG Lijing1 DING Wenxi2(1.College of Urban Construction and Safety Engineering,Nanjing University of Technology Nanjing 210009) |
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| Abstract: | Taking an 20G of coal-water slurry pipeline crack accident as the case,some methods are used,such as chemical composition analysis,microscopic examination,mechanics performance testing and fracture surface examination,to identify the failure causes of the pipeline crack.The result shows that the accident is caused by pressure catastrophe in the pipeline.The explosion critical stress is evaluated above 200 MPa by using thin film equation,which is led by physical or chemical changes in process. |
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| Keywords: | coal-water slurry pipeline failure analysis pressure catastrophe film theory |
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