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Reheating System

About Reheating System

In case a large amount of steam(heat) is generated with BTG (Boiler, Turbine, Generator) power plant system facility, and steam generator converts most of steam from thermal energy to electric energy and surplus steam is utilized at customer facility, if most of thermal energy is utilized at customer facility, IHI can realize high energy-efficient energy power plant system but the electricity efficiency of the gas turbine power plant is not so high.
Sometimes the energy consumption schedule or mode of customer energy system changes due to operation condition transformation of customer facility. In case the ratio of electricity energy consumption becomes larger than that of thermal energy consumption, this causes the shortage of electricity power generation, or decrease of the efficiency of energy system.
Combined Heat and Power (Cogeneration) system based on Gas Turbine using heat recovery steam generator with reheating system enables to achieve high efficient power generation efficiency while maintaining high levels of overall energy efficiency, and also allows to change the steam(heat) flow rate while maintaining the necessary level of power generation.
IHI offers and proposes customized Combined Heat and Power (Cogeneration) system based on Gas Turbine including the equipments of reheating system.

■System Flow Diagram Example of Reheating System

システム例フロー図

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