Tubular flame burner and method for controlling combustion

Details Tubular flame burner and method for controlling combustion Tubular flame burner and method for controlling combustion

2003-08-07

2010-02-02

Price, Carl D (Department: 3749)

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

C431S350000, C431S353000, C431S173000

Reexamination Certificate

active

07654819

ABSTRACT:
A tubular flame burner, a combustion method, and combustion controller, are disclosed. Here, the tubular flame burner comprises: a tubular combustion chamber whose h one end is open; fuel-spraying nozzles and oxygen-containing-gas spraying nozzles. The respective nozzle orifices are formed in the inner face of the combustion chamber so that each spraying direction is in a neighborhood of a tangential direction of the inner circumferential wall of the combustion chamber. And an ignition device is disposed at a position r/2 from the tube axis of the combustion chamber (r: the radius of the combustion chamber). The length of the combustion chamber can be adjusted, the tubular flame burner is a multi-stage burner formed of multiple tubular flame burners, and a gap between the inner tube and the outer tube serves as a gas-flow path. A combustion control method for the tubular flame burner is disclosed, wherein on/off of switching valves is controlled so that the spraying speed from each nozzle is maintained in a predetermined range corresponding to the combustion load.

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