Combustion apparatus and control method therefor

Details Combustion apparatus and control method therefor Combustion apparatus and control method therefor

1992-02-25

1994-01-25

Jones, Larry

Combustion

Process of combustion or burner operation

Controlling or proportioning feed

431 14, 431 59, F23N 500

Patent

active

052811298

ABSTRACT:
To provide a combustion apparatus and a controlling method therefor which are capable of preventing the flame-out and backfire of the flame of a premix burner and the increase of the NOx concentration attributable to the change of the calorific value of the fuel, the amount of air supplied to the premix burner is so controlled as to achieve a low NOx within the range in which the premix burner effects a stable combustion in accordance with the calorie of the fuel supplied to the combustion apparatus, and a change of the output of the combustion apparatus attributable to this control of the amount of air is compensated by the control of the amount of the fuel supplied to the diffusion burner.

REFERENCES:
patent: 3766734 (1973-10-01), Jones
patent: 4111637 (1978-09-01), Hillman, II
patent: 4369026 (1983-01-01), Morgan et al.
patent: 4488867 (1984-12-01), Beltrami et al.
patent: 4659306 (1987-04-01), Altemark et al.
patent: 4815965 (1989-03-01), Likins, Jr.
patent: 4993222 (1991-02-01), Iwai et al.

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