High temperature cogeneration and heat recovery process

Details High temperature cogeneration and heat recovery process High temperature cogeneration and heat recovery process

1991-01-29

1992-07-28

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Including heat, steam, or compressed gas storage means

F01K 300

Patent

active

051331918

ABSTRACT:
A heat recovery system includes a storage tank for an intermediate heat transfer fluid and a heat exchanger for receiving an intermittent flow of heated stack gas from a reheat furnace, whereby heating values from the stack gas are transferred to the heat transfer fluid. The system includes a steam generator and the heating values acquired by the heat transfer fluid are used to generate and to superheat the steam. The heat transfer medium is controlled so that the flow of superheated steam produced is substantially steady. The heated stack gas may be used to preheat boiler feed water used for steam generation. The processes used are also described.

REFERENCES:
patent: 2820348 (1958-01-01), Sauter
patent: 3974642 (1976-08-01), Pacault
patent: 4257579 (1981-03-01), Bruhn
patent: 4340207 (1982-07-01), Bruhn et al.
patent: 4844020 (1989-07-01), Bruhn
patent: 5033414 (1991-07-01), Bruhn

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