This paper investigates the performance of a new power cycle, a so called evaporative biomass air turbine (EvGT-BAT) cycle with gasification for topping combustion. The process integrates an externally fired gas turbine (EFGT), an evaporative gas turbine (EvGT), and biomass gasification. Through such integration, the system may provide the potential for adapting features from different advanced solid-fuel-based power generation technologies, e.g., externally fired gas turbine, integrated gasification combined cycle (IGCC), and fluidized bed combustion, thus improving the system performance and reducing the technical difficulties. In the paper, the features of the EvGT-BAT cycle have been addressed. The thermal efficiencies for different integrations of the gasification for topping combustion and the heat recovery have been analyzed. By drying the biomass feedstock, the thermal efficiency of the EvGT-BAT cycle can be increased by more than three percentage points. The impact of the outlet air temperature of the high-temperature heat exchanger has also been studied in the present system. Finally, the size of the gasifier for topping combustion has been compared with the one in IGCC, which illustrates that the gasifier of the studied system can be much smaller compared to IGCC. The results of the study will be useful for the future engineering development of advanced solid fuel power generation technologies.
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October 2002
Technical Papers
Performance Analysis of Evaporative Biomass Air Turbine Cycle With Gasification for Topping Combustion
J. Wolf,
J. Wolf
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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F. Barone,
F. Barone
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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J. Yan
J. Yan
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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J. Wolf
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
F. Barone
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
J. Yan
Department of Chemical Engineering and Technology/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, New Orleans, LA, June 4–7, 2001; Paper 01-GT-367. Manuscript received by IGTI, Dec. 2000, final revision, Mar. 2001. Associate Editor: R. Natole.
J. Eng. Gas Turbines Power. Oct 2002, 124(4): 757-761 (5 pages)
Published Online: September 24, 2002
Article history
Received:
December 1, 2000
Revised:
March 1, 2001
Online:
September 24, 2002
Citation
Wolf , J., Barone , F., and Yan, J. (September 24, 2002). "Performance Analysis of Evaporative Biomass Air Turbine Cycle With Gasification for Topping Combustion ." ASME. J. Eng. Gas Turbines Power. October 2002; 124(4): 757–761. https://doi.org/10.1115/1.1492834
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