Combustion – Process of combustion or burner operation – Controlling or proportioning feed
Patent
1987-08-10
1989-05-16
Dority, Jr., Carroll B.
Combustion
Process of combustion or burner operation
Controlling or proportioning feed
431 13, 431 14, 431 79, F23H 508
Patent
active
048306010
ABSTRACT:
Method for the control of a burner equipped with an injector nozzle, said method comprising the steps of continuously during combustion optically monitoring the flame of the burner; subjecting the light from the burner to spectral analysis for determining the instantaneous value of the air factor in the combustion gases, and controlling the supply of fuel and/or combustion air to the burner in dependence of said instantaneous value of the air factor. The method is characterized in that light emitted from the central portion of the flame which penetrates through the nozzle opening through which fuel is injected into the combustion chamber is picked up in a point situated in the immediate vicinity of, behind and axially with said nozzle opening, said light being further conducted out of the nozzle for being subjected to spectral analysis. The invention also relates to an arrangement for carrying out the method, comprising a burner equipped with an injector nozzle having a nozzle opening through which fuel is injected into the combustion chamber. Means are arranged within the burner in immediate vicinity of, behind and axially with the nozzle opening, said means being adapted to continuously pick up light which penetrates through said nozzle opening from the central portion of the flame, said means further conducting said light out of the injection nozzle to a device for subjecting said light to spectral analysis.
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Dahlander Par N. O.
Tyren Carl H.
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