排熱回収ボイラの部分負荷静特性解析法

概要

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When designing a combined cycle plant, it is essential to estimate performance of the heat recovery steam generator not only at full load but also part load. The method for analyzing the part load performance presented in this paper is based on a full load heat mass balance of the combined cycle plant. Steam turbine inlet pressure, which is the base point of pressure balance, is calculated from a relationship between the pressure ratio and corrected mass flow. Pressure losses of pipes and heat exchangers are corrected by their full load pressure losses. Temperature balance is determined by correcting superheater outlet temperature, pinch point and approach point under the constraints that the area of each heat exchanger is unchangeable. This method is applied to a reheat and triple pressure heat recovery steam generator.
一般社団法人日本機械学会の論文
1999-08-25