Baffle for NO.sub.x and noise reduction

Details Baffle for NO.sub.x and noise reduction Baffle for NO.sub.x and noise reduction

1995-12-18

1996-12-03

Dority, Carroll B.

Combustion

With means attenuating sound or pulsation

431351, 431347, 126 91A, F23D 1412

Patent

active

055802389

ABSTRACT:
A spiral, perforate ceramic baffle is placed into a heat exchanger in facing relationship with the burner and in an overhung relationship to the heat exchanger. A primary air/fuel mixture in the flame from the burner passes into the baffle drawing secondary air into the overhung portion of the baffle cooling the burner flame. Turbulence of the burner flame pattern in the baffle changes heat exchanger harmonic resonance and reduces burner noise.

REFERENCES:
patent: 2059523 (1936-11-01), Hepburn et al.
patent: 2396868 (1946-03-01), McCollum
patent: 3732059 (1973-05-01), Goodnight et al.
patent: 4619604 (1986-10-01), Pickering
patent: 4869230 (1989-09-01), Fletcher et al.
patent: 5049066 (1991-09-01), Kaiya et al.
patent: 5240411 (1993-08-01), Abalos

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