| 乙烯装置急冷油泵轴断裂原因分析 |
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| 引用本文： | 俞云松. 乙烯装置急冷油泵轴断裂原因分析[J]. 炼油与化工, 2016, 0(4): 45-46. DOI: 10.3969/j.issn.1671-4962.2016.04.019 |
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| 作者姓名： | 俞云松 |
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| 作者单位： | 大庆石化公司化工一厂,黑龙江大庆,163714 |
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| 摘 要： | 乙烯装置急冷油泵EP-1201C正常运行过程中泵轴在叶轮键槽圆角处发生断裂失效。通过对失效轴的材质、热处理工艺及操作状况进行分析,找出了泵轴发生断裂原因,并提出了操作改进建议。
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| 关 键 词： | 急冷油泵 轴断裂 交变应力 疲劳裂纹 |
Fracture cause analysis of quenching oil pump shaft of ethylene plant |
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| Abstract: | During normal operational process of the quenching oil pump EP-1201C of ethylene plant, fracture failure took place at the impeller keyway fillet of the pump shaft. By analyzing the material, heat treatment process and operation status, the cause for occurrence of pump shaft fracture was found, and recommendations for operation improvement was put forward. |
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| Keywords: | quenching oil pump shaft fracture alternating stress fatigue crack |
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