Control system for a single auger starved-air combustor

Details Control system for a single auger starved-air combustor Control system for a single auger starved-air combustor

1980-05-09

1982-02-16

Yuen, Henry C.

Furnaces

Fuel feeders

Feeder responsive to fuel bed height

110190, 110186, 110267, F23K 300

Patent

active

043154689

ABSTRACT:
A control system for a starved-air combustor wherein a combustion chamber is divided into a plurality of combustion chamber zones with separate overfire and underfire airflows being individually provided for each zone. Fuel is fed to the combustor in selectable constant weight batches and the supply of underfire air is proportional to the rate at which an auger rotates to convey the fuel through the combustor. Overfire air is supplied to each combustion zone in an inverse relationship to the variance of a sensed temperature within the zone from a predetermined temperature.

REFERENCES:
patent: 1312352 (1919-08-01), Pinet et al.
patent: 2015939 (1935-10-01), Justus
patent: 2118651 (1938-05-01), Macchi
patent: 2176009 (1939-10-01), Lange
patent: 2218895 (1940-10-01), Selig, Jr.
patent: 2237237 (1941-04-01), Scoggin et al.
patent: 2242580 (1941-05-01), Foulds
patent: 2269800 (1942-01-01), Wetzel

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