| 减压装置的优化和节能改造 |
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| 引用本文： | 程华农,毕荣山,杨霞,郑世清. 减压装置的优化和节能改造[J]. 化工进展, 2009, 28(5): 755 |
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| 作者姓名： | 程华农 毕荣山 杨霞 郑世清 |
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| 作者单位： | 青岛科技大学计算机与化工研究所,山东,青岛,266042;青岛科技大学计算机与化工研究所,山东,青岛,266042;青岛科技大学计算机与化工研究所,山东,青岛,266042;青岛科技大学计算机与化工研究所,山东,青岛,266042 |
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| 摘 要： | 对某一炼油厂的常减压装置的模拟和分析，发现现有常减压总拔过低，换热网络上下平台设备和管路压降相差较大，换后终温低于设计值。用Aspen Plus软件对常减压装置建立模型，采用敏感度分析方法，考察采出量对各线产品质量的影响，对常减压塔各个采出进行调优，使总拔出率达提高了3.8%，并进行了水力学核算。从模拟结果提取出冷热物料数据，采用HENS软件，利用智能图表法对现有换热网络系统进行合成、分析和优化，使换后温度提高了18 ℃，达到288 ℃，新增5台换热器，面积1825 m2，和原有换热网络相比，结构改动较小。
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| 关 键 词： | 常减压 换热网络 模拟 分析 优化 改造 |
Optimization and energy conservation retrofit of atmospheric and vacuum unit |
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| CHENG Huanong,BI Rongshan,YANG Xia,ZHENG Shiqing. Optimization and energy conservation retrofit of atmospheric and vacuum unit[J]. Chemical Industry and Engineering Progress, 2009, 28(5): 755 |
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| Authors: | CHENG Huanong BI Rongshan YANG Xia ZHENG Shiqing |
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| Affiliation: | Research Center of Computer and Chemical Engineering，Qingdao University of Science and Technology |
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| Abstract: | The existing atmospheric and vacuum unit of a refinery was simulated and analyzed,and the problems were found to be unsatisfactory total production,unequal pressure drop of heat exchange branches and heat exchange end temperature lower than design value.The model of the unit was set up with Aspen Plus software.By using intelligent graphical method,the effect of draw rate rate on product quality was investigated and optimized.The total production of the retrofit design was increased by 3.8%.Hydrodynamic rati... |
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| Keywords: | atmospheric and vacuum unit heat exchanger network simulation analysis optimization retrofit |
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