Combustion apparatus and method

Details Combustion apparatus and method Combustion apparatus and method

1989-06-20

1991-01-29

Jones, Larry

Combustion

Separately supplied or controlled, physically related flame...

Coaxial

431 5, 431186, 431189, 431351, F23Q 900

Patent

active

049882872

ABSTRACT:
A combustion apparatus and method are provided which can achieve highly effective and complete combustion of combustible gases therein. In accordance with the invention, a stream of oxidant gas is directed along and in contact with the exterior surface of a hollow member having inlets communicating with the interior thereof. The oxidant gas is then directed through the inlets into the interior of the hollow member. Oxidant gas swirl vanes are provided within the hollow member to impart swirling motion to the oxidant gas. A nozzle extends into the hollow member and also contains swirl vanes which impart a swirling motion to at least one combustible gas which is passed through the nozzle. Swirling combustible gas exiting the nozzle outlet mixes with the swirling stream of oxidant gas to produce a combustible mixture. The combustible gas in such mixture is combusted and combustion products are discharged through an outlet of the hollow member. Enhanced combustion is achieved by achieving a highly turbulent flow of oxidant gas and combustible gas and by preheating the oxidant gas prior to entry into the hollow member by means of directing the oxidant gas over the exterior surface of the hollow member.

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