Method and apparatus for controlling secondary air distribution

Details Method and apparatus for controlling secondary air distribution Method and apparatus for controlling secondary air distribution

1982-07-26

1984-07-10

Barrett, Lee E.

Combustion

Process of combustion or burner operation

Controlling or proportioning feed

431 90, 364502, 364510, 137 6, 110188, 110348, F23N 500

Patent

active

044590989

ABSTRACT:
Method and apparatus for controlling the distribution of secondary air (30) between at least two fuel burners (14,16) in a multiple fuel combustor (16). Total chemical energies of the individual fuel streams (44,60) are determined and compared (64,66) with the total combustor chemical energy input (62) for controlling biasing means (32,34). The determination of at least one individual fuel total chemical energy content (60) may optionally include a prompt neutron activation type analyzer (48) for on-line measurement of specific fuel chemical energy (59).

REFERENCES:
patent: 3722811 (1973-03-01), Osburn
patent: 4115862 (1978-09-01), Stewart
patent: 4138725 (1979-02-01), Ikemoto et al.
patent: 4266132 (1981-05-01), Marshall
Jul./Aug. 1980-Reading The Composition of Coal--Electric Power Research Institute--EPRI Journal.

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