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A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. It produces steam that can be used in a process ( cogeneration ) or used to drive a steam turbine ( combined cycle ).
A new type of heat-recovery steam generator based on the Benson boiler has operated successfully at the Cottam combined-cycle power plant in central England. The vertical tubing in the combustion chamber walls of coal-fired steam generators combines the operating advantages of the Benson system with the design advantages of the drum-type boiler.
The Spilling company produces a variety of small fixed stationary plant adapted to biomass combustion or power derived from waste heat or pressure recovery. [23] [24] The Finnish company Steammotor Finland has developed a small rotary steam engine that runs with 800 kW steam generator.
The hot (548°C) exhaust gases from the turbines each enter a (Dutch) NEM heat recovery steam generators (HRSG). The steam from the HRSG enters a single 216 MWe Mitsubishi steam turbine. The steam turbine, running at 3000 rpm, is coupled to a third hydrogen-cooled turbo generator. Exhaust steam from the steam turbine flows to the air-cooled ...
A heat recovery steam generator (HRSG) is a steam boiler that uses hot exhaust gases from the gas turbines or reciprocating engines in a CHP plant to heat up water and generate steam. The steam, in turn, drives a steam turbine or is used in industrial processes that require heat.
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A boiler or steam generator is a device used to create steam by applying heat energy to water. Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi ) but, at pressures above this, it is more usual to speak of a ...
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