Combuster for gas turbine system having a heat exchanging struct

Details Combuster for gas turbine system having a heat exchanging struct Combuster for gas turbine system having a heat exchanging struct

1994-02-08

1995-07-11

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

431 7, 431170, F02C 100

Patent

active

054310172

ABSTRACT:
A combustor for a gas turbine utilizing a catalytic combustion system comprises a cylindrical outer casing, a combustion cylinder concentrically disposed inside the outer casing with an annular space between an outer periphery of the combustion cylinder and an inner periphery of the outer casing as a combustion air supply passage, the combustion cylinder having one end facing the closed one end of the casing with a space therebetween, and a catalyst unit disposed inside the combustion cylinder, the air for combustion being supplied to the catalyst unit. A heat exchanging device is formed in the air supply passage for heating the combustion air passing the air supply passage to a temperature more than a catalytic combustion starting temperature through a heat exchanging operation by a thermal energy of a combustion gas in the combustion cylinder. The combustion cylinder includes at least one section chamber for combustion and the catalyst unit is disposed in the section chamber and includes a plurality of catalyst sections sectioned in a plane normal to a flow direction of the air for combustion introduced into the combustion cylinder. The combustion cylinder is provided with a plurality of diffuse combustion zones and a plurality of premixture combustion zones are formed at the downstream side of the catalyst unit.

REFERENCES:
patent: 4731989 (1988-03-01), Furuya et al.
patent: 5000004 (1991-03-01), Yamanaka et al.
patent: 5161366 (1992-11-01), Beebe

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