Pressurized fluidized bed reactor

Details Pressurized fluidized bed reactor Pressurized fluidized bed reactor

1995-04-13

1996-03-19

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

With combustible gas generator

60 39464, F02C 328

Patent

active

054994985

ABSTRACT:
A pressurized fluid bed reactor power plant includes a fluidized bed reactor contained within a pressure vessel with a pressurized gas volume between the reactor and the vessel. A first conduit supplies primary gas from the gas volume to the reactor, passing outside the pressure vessel and then returning through the pressure vessel to the reactor, and pressurized gas is supplied from a compressor through a second conduit to the gas volume. A third conduit, comprising a hot gas discharge, carries gases from the reactor, through a filter, and ultimately to a turbine. During normal operation of the plant, pressurized gas is withdrawn from the gas volume through the first conduit and introduced into the reactor at a substantially continuously controlled rate as the primary gas to the reactor. In response to an operational disturbance of the plant, the flow of gas in the first, second, and third conduits is terminated, and thereafter the pressure in the gas volume and in the reactor is substantially simultaneously reduced by opening pressure relief valves in the first and third conduits, and optionally by passing air directly from the second conduit to the turbine.

REFERENCES:
patent: 3924402 (1975-12-01), Harboe
patent: 4744212 (1988-05-01), Andersson et al.
patent: 4761133 (1988-08-01), Bulbring
patent: 4909028 (1990-03-01), Cetrelli et al.

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