Radiant burner surfaces and method of making same

Details Radiant burner surfaces and method of making same Radiant burner surfaces and method of making same

1996-01-22

1998-07-21

Jones, Larry

Combustion

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

431328, 431329, F23D 340

Patent

active

057826293

ABSTRACT:
A porous surface radiant burner assembly provided with a porous burner substrate having a surface including a layer of zircon and an overlying layer of zirconia formed in situ upon exposing the zircon layer to radiant burner operating conditions. The porous surface burner substrate can be in the form of a mat of randomly oriented fibers coated with zircon, a solid parted plate of zircon or a different ceramic provided with a coating layer of zircon, or a reticulated foam comprising either zircon or a different ceramic material coated with zircon. Preferably in the method of making the porous burner substrate, the zircon layer is merely exposed to the intended operating conditions of the radiant burner wherein during the initial degradation of the zircon layer, a continuous, adherent layer of zirconia is formed in overlying relationship to the layer of zircon to resist further degradation.

REFERENCES:
patent: 4878837 (1989-11-01), Otto
patent: 4977111 (1990-12-01), Tong et al.
patent: 5165887 (1992-11-01), Ahmady
patent: 5218952 (1993-06-01), Neufeldt

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