Thermodynamic evaluation of CHP (combined heat and power) plants integrated with installations of coal gasification

作者: Andrzej Ziębik , Tomasz Malik , Marcin Liszka

DOI: 10.1016/J.ENERGY.2015.06.003

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摘要: Abstract Integration of a CHP steam plant with an installation coal gasification and gas turbine leads to IGCC-CHP (integrated combined cycle-combined heat power). Two installations have been analyzed, i.e. pressurized entrained flow gasifier – case 1 fluidized bed CO2 recirculation 2. Basing on the results mathematical modelling plant, algorithms calculating typical energy indices derived. The following are considered, coefficient performance relative savings chemical fuels. coefficients contained between 1.87 2.37. Values exceeding thermodynamically justified because idea cogeneration electricity based combining cycles engine pump efficiency which exceeds 1. Higher values concerning waste replace more effective sources in plants. Relative fuels similar both cases plants lower value (combined power) fuelled higher fired natural gas.

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