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Thermodynamic simulation analysis of a multifuel CHP plant basing on the technological diagram of Aved re unit 2

DOI: 10.2478/v10173-010-0005-x

Keywords: Multifuel CHP, Thermodynamic simulation, Indices of cogeneration

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Abstract:

The paper presents the results of a simulative thermodynamic analysis of a multifuel CHP plant basing on the technological diagram of Aved re 2. Calculations have been carried out for the operation of Aved re 2 plant in the district heating mode. Several variants of simulation have been considered, determined by the choice of operation of the respective plants, viz. main boiler fired with natural gas, main and biomass boiler, main boiler and GT plant, joint operation of the main and biomass boiler and GT plant, main boiler (fired with heavy fuel oil or/and wood chips) and biomass boiler and GT plant. For each variants a diagram of iso-fuel curves has been developed, illustrating the variability of useful effects (power output and district heat) at various loads of the CHP steam part. In case of the variant in which the main boiler and GT are in operation with natural gas as fuel the exemplary energy indices were determined.

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