Exergoeconomic Performance of an ICR Brayton CHP Plant Driven by Residual Energy and Heat of Blast Furnace Modeling and Calculation Analysis
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摘 要
采用有限时间热力学理论,建立了高炉余能余热驱动的变温热源内可逆中冷回热(ICR)布雷顿热电联产(CHP)装置模型,以利润率和效率为目标函数,应用有限时间经济分析法研究了装置的性能。通过数值计算分析了装置的一般性能和最优性能,求出了最优利润率和最优效率时的中间压比分配,分析了中冷度、回热度、供热温度等设计参数对装置性能的影响。
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Abstract
Adopting finite time thermodynamics, a variable-temperature heat reservoirs endoreversible intercooled regenerative (ICR) Brayton combined heat and power (CHP) plant driven by residual energy and heat of blast furnace is established. Profit rate and exergy efficiency are taken as the objective function, and the performances of the plant are investigated using finite time exergoeconomic analysis. By detailed numerical examples, the general and optimal performances are analyzed, and the intercooling pressure ratio distributions corresponding to the optimal profit rate and optimal exergy efficiency are obtained. The effects of the design parameters (such as intercooling degree, regeneration degree, heat supply temperature, et al.) on the performances of the plant are analyzed.
中图分类号 TK12
所属栏目 研究与探索
基金项目 国家重点基础研究发展计划(973)项目(2012CB720405);国家自然科学基金(10905093)
收稿日期 2013/4/18
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备注杨博(1985-),男,博士研究生,从事现代热力学研究。
引用该论文: Yang Bo,Chen Lingen,Sun Fengrui. Exergoeconomic Performance of an ICR Brayton CHP Plant Driven by Residual Energy and Heat of Blast Furnace Modeling and Calculation Analysis[J]. Power & Energy, 2013, 34(3): 221~225
杨博,陈林根,孙丰瑞. 高炉余能余热驱动ICR Brayton CHP装置的经济性能建模与计算分析[J]. 电力与能源, 2013, 34(3): 221~225
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被引情况:
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【1】杨博,陈林根,孙丰瑞, "高炉余能余热驱动ICR Brayton CHP装置的火用经济性能优化",电力与能源 34, 317-320(2013)
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【2】陆钟武,蔡九菊.系统节能基础[M].沈阳: 东北大学出版社,2010.
【3】张寿荣.炼铁系统节能——我国钢铁工业21世纪技术进步的重点[J].钢铁,2005,40(5): 1-4.
【4】吴仲华.能的梯级利用与燃气轮机总能系统[M].北京: 机械工业出版社,1988.
【5】金红光,郑丹星,徐建中.分布式冷热电联产系统装置及应用[M].北京: 中国电力出版社,2008.
【6】Khaliq A, Dincer I. Energetic and exergetic performance analyses of a combined heat and power plant with absorption inlet cooling and evaporative aftercooling [J]. Energy, 2011, 36(5): 2662-2670.
【7】Mert M S, Dilmac O F, Ozkan S, et al. Exergoeconomic analysis of a cogeneration plant in an iron and steel factory [J]. Energy,2012,46(1): 78-84.
【8】Berry R S, Kazakov V A, Sieniutycz S, et al. Thermo-dynamic optimization of finite time processes [M]. Chichester: Wiley,1999.
【9】Chen L, Wu C, Sun F. Finite time thermodynamic optimization of entropy generation minimization of energy systems [J]. J. Non-Equilib. Thermodyn., 1999,24(4): 327-359.
【10】Chen L, Sun F. Advances in finite time thermodynamics: analysis and optimization [M]. New York: Nova Science Publishers,2004.
【11】陈林根.不可逆过程和循环的有限时间热力学分析[M].北京: 高等教育出版社,2005.
【12】吴锋,陈林根,孙丰瑞,等.斯特林机的有限时间热力学优化[M].北京: 化学工业出版社,2008.
【13】Andresen B. Current trends in finite-time thermodynamics [J]. Angew. Chem. Int. Ed.,2011,50(12): 2690-2704.
【14】Feidt M. Evolution of thermodynamic modelling for three and four heat reservoirs reverse cycle machines: A review and new trends [J]. Int. J. Refrig., 2013, 36(1): 8-23.
【15】陈林根,孙丰瑞,陈文振.热力循环的最大利润率原理[J].自然杂志,1991,14(12): 948-949.
【16】Tao G, Chen L, Sun F. Exergoeconomic performance optimization for an endoreversible regenerative gas turbine closed-cycle cogeneration plant [J]. Rev. Mex. Fis.,2009,55(3): 192-200.
【17】Chen L, Tao G, Sun F. Finite time exergoeconomic optimal performance for an irreversible gas turbine closed-cycle cogeneration plant [J]. Int. J. Sustainable Energy, 2012, 31(1): 43-58.
【18】方钢,蔡睿贤,林汝谋.燃气轮机与汽轮机功热联产基本参数的分析研究[J].动力工程,1988,8(6): 118-124.
【19】陈林根,孙丰瑞.具有等熵压缩、膨胀过程的闭式燃气轮机回热循环有限时间热力学性能[J].燃气轮机技术,1995,8(4): 29-35.
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