Combustion monitor method for multi-burner boiler

Details Combustion monitor method for multi-burner boiler Combustion monitor method for multi-burner boiler

1987-04-09

1988-07-12

Yeung, James C.

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

431175, 110185, F23N 508

Patent

active

047566841

ABSTRACT:
A monitor method for the combustion conditions in a furnace of a boiler having a plurality of burners is disclosed. The method includes the steps of detecting the flame intensity at a predetermined position of a flame, by using an optical fiber having as its view the predetermined position at the flame of each of the plurality of burners; judging if the combustion conditions of each burner are normal or not, based on if the flame intensity detected for each burner flame is within a predetermined normal level range; and displaying the judgement results. Preferably, an image fiber for obtaining a flame image indicating the combustion conditions is provided for at least one of the burners, and the normal level range is determined based on the flame image obtained by the image fiber.

REFERENCES:
patent: 4368031 (1983-01-01), Chadshay
patent: 4620491 (1986-11-01), Nishikawa et al.
patent: 4622922 (1986-11-01), Mayagaki et al.
Kurihara et al., "A Combustion Diagnosis Method for Pulverized Coal Boilers Using Flame-Image Recognition Technology", IEEE 1985.

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