Catalyst combustion apparatus

Details Catalyst combustion apparatus Catalyst combustion apparatus

1998-07-15

2000-05-23

Yeung, James C.

Combustion

Combustion products return structure

Recirculation about mixing or combustion chamber wall or baffle

431 7, 431208, 431215, 431350, F23L 1300

Patent

active

060659572

ABSTRACT:
According to the present invention, a catalyst combustion apparatus includes a ring-shaped catalyst body for catalytically burning the mixture of the fuel and the air, which is disposed in a combustion cylinder. In the combustion cylinder, a fuel nozzle and an inlet for the air are disposed at one end side of the catalyst body, and the premixing chamber is formed at the other end side. The fuel and the air are supplied from one end side of the catalyst body through a through-hole formed at a center portion of the catalyst body and is mixed in the premixing chamber. In the premixing chamber, a flow direction of the mixture is turned toward the catalyst body. A part of the exhaust gas is introduced into the air at one end side. In this way, it is possible to simplify and downsize the combustion apparatus, while securing the preheating effect of the air by the circulation of the exhaust gas.

REFERENCES:
patent: 4435153 (1984-03-01), Hashimoto et al.
patent: 5203690 (1993-04-01), Maruko
patent: 5346389 (1994-09-01), Retallick et al.
patent: 5388985 (1995-02-01), Musil et al.
patent: 5431017 (1995-07-01), Kobayashi et al.

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