| 主换热器效率下降导致空分设备被迫停车的分析与处理 |
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| 引用本文： | 张强,吴秉功.主换热器效率下降导致空分设备被迫停车的分析与处理[J].深冷技术,2008(2):53-55. |
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| 作者姓名： | 张强 吴秉功 |
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| 作者单位： | 永钢集团有限公司制氧分厂,江苏省张家港市南丰镇永联工业区215628 |
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| 摘 要： | 介绍了永钢21000m3/h空分设备因主换热器换热效率下降而被迫停车故障的经过,分析后得出原因为:空压机泄漏的润滑油进入主换热器并冻结成油薄膜,使换热系数降低,最后阐述了处理过程。
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| 关 键 词： | 大型空分设备 主换热器 换热效率 油脂 清洗 加温 |
Analysis and treatment of forced shutdown of air separation unit due to inefficient operation of main heat exchanger |
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| Abstract: | The course of forced shutdown of 21000m3/h air separation unit in Yonggang due to the inefficient main heat exchanger is introduced.The cause analysis indicates that the decrease in the efficiency of main heat exchanger origined from a leak of lubricant from air compressor,then entering main heat exchanger and frozen into solid oil film.Finally,the treating measures and modification procedures are described. |
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| Keywords: | Large scale air separation plant Main heat exchanger Heat transfer efficiency Grease Cleaning Heating |
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