Multiple firing rate zone burner and method

Combustion – Process of combustion or burner operation – In a porous body or bed – e.g. – surface combustion – etc.

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431326, 431328, 431 2, F23D 1414

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active

054393728

ABSTRACT:
A gaseous fuel burner and method in which a high-firing rate (blue
on-surface radiant) zone is created between two lower firing rate (red/surface radiant) combustion zones. The method of the invention can be achieved by selective perforation of porous sintered fiber mat burner surfaces to achieve improved burner performance and relatively low NO.sub.x emissions.

REFERENCES:
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patent: 4676222 (1987-06-01), Jones et al.
patent: 4976609 (1990-12-01), Grob et al.
patent: 5174744 (1992-12-01), Singh
patent: 5215457 (1993-06-01), Sebastiani
patent: 5306140 (1994-04-01), Smith
Flyer: Burner Systems International/Furigas undated. "Low-No.sub.x Metal-Fiber Gas Burner" One page.
Global Environmental Solutions Brochure Titled "Ceramic Fiber Gas Burner", 7 pages, undated.
Flyer: "Metal Fiber Burner Material Provides Multiple Solutions" Natural Gas Applications In Industry, Winter 1992.
Acotech, Aug. 13, 1992. Test of a Cylindrical Perforated MFB Burner in a Condensing Boiler of 180 kW.
Brochure: Acotech, Jul. 1991 "Metal Fibre Burner Surface Combustion".
Flyer: "Furigas Metal Fibre Burner".

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