Method and apparatus for monitoring and controlling burner opera

Details Method and apparatus for monitoring and controlling burner opera Method and apparatus for monitoring and controlling burner opera

1989-03-07

1990-06-19

Price, Carl D.

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

431 12, 431 79, F23N 100, F23N 508

Patent

active

049349260

ABSTRACT:
Burner operating air equivalence ratio is monitored and controlled by a method comprising measuring OH radical spectral emission intensity at a base of a flame while combustion is in progress at a burner, employing a linear relationship between the intensity and an actual burner operating air equivalence ratio to determine the ratio while combustion is in progress, comparing the determined ratio with a desired burner operating air equivalence ratio to determine the difference therebetween, and controlling the amount of air supplied to the burner on the basis of the difference.

REFERENCES:
patent: 4653998 (1987-03-01), Sohma et al.

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