Infra-red heating

Details Infra-red heating Infra-red heating

1989-10-20

1992-02-25

Bennett, Henry

Combustion

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

431328, 34 41, 432 59, F23D 340, F26B 332

Patent

active

050908987

ABSTRACT:
Gas-fired burner having porous ceramic face through which gaseous combustion mixture emerges and on the emerging surface of which the mixture burns, can heat substrate with help of streams of air or recycled combusted gas sweeping across substrate to help remove moisture or other volatiles being driven from substrate. Burner body can have pilot ignition compartment. Ceramic face can be large ceramic fiber mat the back of which is supported to burner body back. Combustion mixture can be controlled to essentially stoichiometric. Aligned row of closely spaced burners each with a generally rectangular radiant face extending to its side-walls, can have strips of compressible material squeezed into place between the burner side-walls to minimize penetration of hot combusted gases. Side-walls may be inclined to provide a wedging action against the compressible strips. Burners may be fed with oxygen-enriched air, or with a little ammonia in addition to the combustion mixture, particularly when the burner matrix contains silicon carbide fibers or powder.

REFERENCES:
patent: 3114410 (1963-12-01), Schneider
patent: 3439996 (1969-04-01), Lherault et al.
patent: 4628900 (1986-12-01), Arndt
patent: 4752213 (1988-06-01), Grochowski

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