Optimization Analysis of Heat Pump Driven by Steam Turbine Using Finite Time Thermodynamic Approach
Abstract: A new compression heat pump system driven by a small steam turbine which used the steam extraction as the power was developed to recycle the heat of cooling water in power plant. Temperature reducing was replaced by a small turbine and the energy lost in the temperature reducing was recycled. The System was considered as consist of an irreversible heat engine and an irreversible heat pump. Optimization was made on heat exchanger areas distribution. An optimal relation between performance coefficient of the system and heating load was obtained. The optimization model was tested and verified by a transformation of power plant in Dalian China. The results showed that internal irreversibility parameters have more drastic effect on performance reduction than any other external irreversibility parameters and the effects of the irreversible factors on the heat pump side was greater than the irreversible factors in the heat engine side on the system. Optimization results can provide guidance for the operation of the heat pump system driven by steam turbine.
文章引用: 赵麒 , 谭羽飞 , 王琛 (2013) 基于有限时间热力学的不可逆汽机热泵性能优化研究。 动力系统与控制， 2， 23-28. doi: 10.12677/DSC.2013.21004
 H. Torio, D. Schmidt. Development of system concepts for im- proveing the performance of a waste heat district heating net- work with exergy analysis. Energy and Buildings, 2010, 42(10): 1601-1609.
 J. H. Horlock. Cogeneration-combined heat and power (CHP). Malabar: Krieger, 1997, 22(11): 1087-1098.
 P. C. Few, M. A. Smith and J. W. Twidell. Modelling of a com- bined heat and power (CHP) plant incorporating a heat pump for domestic use. Energy, 1997, 22(7): 651-659.
 V. Curti, M. R. Von Spakovski and D. Favrat. An environomic approach for the modelling and optimiza-tion of a district heating network based on centralized and decentral-ized heat pumps, co- generation and/or gas furnace. Part I: Methodol-ogy. International Journal of Thermal Sciences, 2000, 39(7): 721-730.
 V. Curti, D. Favrat and M. R. Von Spakovski. An envi-ronomic approach for the modelling and optimization of a district heating network based on centralized and decentralized heat pumps, co- generation and/or gas furnace. Part II: Application. International Journal of Thermal Sciences, 2000, 39(7): 731-741.
 K. Lucas. Efficient energy systems on the basis of cogeneration and heat pump technology. International Journal of Thermal Sci- ences, 2001, 40(4): 338-343.
 W. Malinowska, L. Malinowski. Parametric study of exergetic efﬁciency of a small-scale cogeneration plant incorporating a heat pump. Applied Thermal Engineering, 2003, 23(4): 459-472.
 G. Chicco, P. Mancarella. Incremental indicators for assessing the performance of cogeneration systems with heat pumps. World Scientific and Engineering Academy and Society Transactions on Power Systems, 2006, 1(8): 1491-1498.
 P. Mancarella. Profit-ability of small-scale cogeneration units coupled with heat pumps. Proceedings of 7th International Sci- entific Conference on Electric Power Engineering (EPE 2006), Brno, 16-18 May 2006: 315-322.
 赵麒, 谭羽飞. 不可逆汽机热泵有限时间热力学优化[J]. 长春理工大学学报(自然科学版), 2012, 35(2): 110-114.