| 利用夹点技术优化蒸馏换热网络 |
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| 引用本文： | 张宏利,朱燕玲,郑俊.利用夹点技术优化蒸馏换热网络[J].节能,2011,30(5):59-61. |
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| 作者姓名： | 张宏利 朱燕玲 郑俊 |
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| 作者单位： | 中石油东北炼化工程有限公司葫芦岛设计院,辽宁,葫芦岛,125001 |
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| 摘 要： | 介绍夹点技术设计的基本原理及设计原则,采用Aspen Hx-net软件,运用夹点技术对某炼油厂常压蒸馏装置换热网络进行优化分析,确定最优传热温差△Tmin、最小公用工程用量和夹点位置,并对换热网络进行了优化.装置运行情况表明,优化后的换热网络节能效果明显,装置投资回收期仅8个月.
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| 关 键 词： | 夹点技术 换热网络 组合曲线 优化 |
Optimization for heat exchanger networks of distillation unit by using pinch technology |
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| ZHANG Hong-li,ZHU Yan-ling,ZHENG Jun.Optimization for heat exchanger networks of distillation unit by using pinch technology[J].Energy Conservation,2011,30(5):59-61. |
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| Authors: | ZHANG Hong-li ZHU Yan-ling ZHENG Jun |
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| Affiliation: | ZHANG Hong-li,ZHU Yan-ling,ZHENG Jun(Petro China Northeast Refining & Chemical Engineering Co.Ltd.,Huludao 125001,China) |
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| Abstract: | The basic theories and principles for design of pinch technology are introduced.The optimal heat transfer temperature difference ΔTmin,minimum utility usage and location of pinch points are determined by adopting optimization analysis for the heat exchanger network of atmospheric distillation unit through using Aspen Hx-net software and the pinch technology,Heat exchanger network is optimized.On the view of running conditions of the unit,the optimized heat exchanger network has obvious saving effect,Payback period of unit is only 8 months. |
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| Keywords: | pinch technology heat exchanger network composite curve optimization |
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