Porous ceramic gas burner

Details Porous ceramic gas burner Porous ceramic gas burner

1990-02-06

1991-05-21

Jones, Larry

Combustion

Porous, capillary, particulate or sievelike flame holder,...

431328, 126 92AC, F23D 340, F24C 304

Patent

active

050171291

ABSTRACT:
A porous ceramic gas burner constructed from ceramic blocks associated with each other to form a hollow chamber to receive naturally aspirated gas and air mixture from a venturi with the ceramic blocks including a plurality of small holes enabling passage of the gas and air mixture to the outer periphery of the burner for ignition and combustion with the structural characteristics of the small holes preventing flashback of the flames even though the velocity of the air and gas mixture is less than the flame propagation rate thereby reducing the noise level of the burner by reducing the velocity of the air mixture passing through the burner. The burner is associated with a forced air heater including a fan and a duct associated therewith to direct forced secondary air over the periphery of the burner with the periphery of the burner including a surface generally parallel to the flow path of the secondary air and the holes in the burner being perpendicular to the flow path of the secondary air.

REFERENCES:
patent: 4231735 (1980-11-01), Downs
patent: 4746286 (1988-05-01), Shirvill
patent: 4825846 (1989-05-01), Fraioli
patent: 4838241 (1989-06-01), Rieger
patent: 4889103 (1989-12-01), Fraioli
patent: 4917599 (1990-04-01), Hasselmann

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