Abstract
A calculation of characteristic parameters of gas-steam combined cycle system is presented. The fuels used in this system are crude gas and purge gas, which are produced in the polygeneration system. The heat recovery steam generator is single pressure with non-supplementary fired. The influences of compression ratio, turbine inlet temperature, fuel types and fuel flow to the gas-steam combined cycle are discussed. The results show that in a certain temperature ratio, there is an optimum compression ratio which makes the thermal efficiency of combined cycle reaches its maximum value. And when the calorific value of fuel increases, the thermal efficiency of combined cycle increases. In specific condition, the calculated overall thermal efficiency of gas-steam combined cycle can reach 52.44%. The optimization calculation results show that the utilization of these low calorific value gases is feasible in the practical application.
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© 2007 Zhejiang University Press, Hangzhou and Springer-Verlag GmbH Berlin Heidelberg
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Dong, C., Zhou, Q., Xu, T., Hui, S., Huang, J. (2007). Optimization Calculation of Characteristic Parameters of Gas-steam Combined Cycle System Combusting Crude Gas and Purge Gas. In: Cen, K., Chi, Y., Wang, F. (eds) Challenges of Power Engineering and Environment. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76694-0_17
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DOI: https://doi.org/10.1007/978-3-540-76694-0_17
Publisher Name: Springer, Berlin, Heidelberg
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