| 前置抽提优化裂解原料的石脑油芳烃抽提大型化研究 |
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| 引用本文： | 何琨,吴德荣,马紫峰.前置抽提优化裂解原料的石脑油芳烃抽提大型化研究[J].现代化工,2010,30(Z1). |
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| 作者姓名： | 何琨 吴德荣 马紫峰 |
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| 作者单位： | 1. 中国石化集团上海工程有限公司,上海,200120
2. 上海交通大学化学工程系,上海,200240 |
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| 摘 要： | 大型乙烯联合装置采用前置抽提芳烃流程工艺技术,以优化裂解原料面临"放大效应"这个工程现实问题。应用萃取精馏过程大型化基础理论分析大型石脑油芳烃抽提萃取精馏过程,得出:对于生产规模为3.31 M t/a的大型芳烃抽提装置,需要选择最佳回流比和最佳溶剂浓度,其最佳设计方案可以保证生产装置长周期、满负荷平稳运行;同时,强化设计大型塔盘和大型塔器代替常规尺寸的塔器设备,既可减少投资,又可节能降耗,发挥"规模效应";对于不同类型大型塔盘和大型塔内件的优化设计能否适用于大型石脑油芳烃抽提装置,需要运用计算流体力学CFD和大型冷模试验进行验证,以保证研究成果的先进性和可靠性。
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| 关 键 词： | 前置抽提流程 萃取精馏 大型化 裂解原料优化 乙烯联合装置 |
Study on large-scale naphtha aromatics extraction plant in front-end extraction process for optimizing cracking feedstock |
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| HE Kun,WU De-rong,MA Zi-feng.Study on large-scale naphtha aromatics extraction plant in front-end extraction process for optimizing cracking feedstock[J].Modern Chemical Industry,2010,30(Z1). |
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| Authors: | HE Kun WU De-rong MA Zi-feng |
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| Affiliation: | HE Kun1,WU De-rong1,MA Zi-feng2(1.Shanghai Engineering Company Limited,SINOPEC,Shanghai 200120,China,2.Department of Chemical Engineering,Shanghai JiaoTong University,Shanghai 200240,China) |
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| Abstract: | The problem of magnifying effect is optimized by adopting the large-scale naphtha aromatics extraction plant in front-end extraction process for optimizing cracking feedstock.The basic theory of extraction distillation process is applied to analyze the large-scale naphtha aromatics extraction process.The results show that the optimum reflux ratio and solvent ratio are required to assure 3.31 Mt/a capacity of aromatics extraction plant run long time and full operation load.At the same time,the intensifying d... |
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| Keywords: | front-end extraction process extraction distillation large-scale plant cracking feedstock optimum ethylene complex |
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