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Class 431/164 - Section feeds oxidizer through furnace wall opening spaced from that for disperser


Subclass of Class 431 - Combustion
Definition: Apparatus in which an oxidizer (air) is heated in the section
No. of patents: 15
Last issue date: 06/05/2007


NumberTitleIssue Date
7225746Low NOx combustion
Combustion of hydrocarbon liquids and solids is achieved with less formation of NOx by feeding a small amount of oxygen into the fuel stream. ...
06/05/2007
6978726Combustion with reduced carbon in the ash
Combustion of coal in which oxygen is injected into the coal as it emerges from burner produces ash having reduced amounts of carbon. ...
12/27/2005
6910879Combustion method comprising separate injections of fuel and oxidant and burner assembly therefor
A method of combustion and a burner assembly wherein at least one fuel and at least one oxidizer are injected separately. The oxidizer comprises a primary oxidizer stream and a secondary oxidizer stream. The primary oxidizer stream is divided into at least two porti...
06/28/2005
6783357Preheated fuel and oxidant combustion burner
A burner apparatus comprises a conduit adapted to convey preheated oxidant and having outlet and inlet ends, and a conduit adapted to convey preheated fuel and having outlet and inlet ends. The conduit adapted to convey preheated fuel is substantially parallel to th...
08/31/2004
6652271Combustion in a porous wall furnace
This invention is directed to a method for carrying out combustion in a furnace having porous walls with a large surface area in a combustion zone in which a low velocity oxidant stream is injected through at least one oxidant injection side of the porous...
11/25/2003
6398546Combustion in a porous wall furnace
This invention is directed to a method for carrying out combustion in a furnace having porous walls with a large surface area comprising providing a combustion zone containing an atmosphere of furnace gases. A low velocity oxidant stream is injected throu...
06/04/2002
6347935Low NOx and low Co burner and method for operating same
A round burner capable of being operated with reduced CO and NOx emissions includes a venturi tube positioned to direct a flow of air through the burner and into a combustion zone in a combustion chamber through an entrance in a wall of the com...
02/19/2002
6109911Method and arrangement for optimizing oxidation during burning of gaseous and liquid fuels
A method and an arrangement for reducing emissions of nitrogen oxides in a combustion apparatus provided with a tubular furnace. The method comprises burning odor gases at first sub-stoichiometrically, and subsequently supplying additional air to the furn...
08/29/2000
6007326Low NOx combustion process
A low NOx combustion process is carried out by reacting low concentrations of combustibles with low concentrations of oxygen. These low concentrations are obtained by injecting high velocity fuel and oxidant streams through port openings that a...
12/28/1999
5571006Regenerative burner, burner system and method of burning
The present invention is directed to a regenerative burner, burner system and method of burning using regenerative burners which comprises a fuel supply section with its tip opening into a furnace provided along the burner axis; a flame stabilizing sectio...
11/05/1996
5562437Liquid or gaseous fuel burner with very low emission of nitrogen oxides
The present invention relates to a fluid fuel burner with very low emission f nitrogen oxides, comprising, in known manner, means for injecting the fuel into a hearth at least one primary air supply conduit around said injection means, and at least one sec...
10/08/1996
5431559Oxygen-fuel burner with staged oxygen supply
A burner assembly is provided for combining oxygen and fuel to produce a flame. The burner assembly includes a burner block including a combustion chamber and a nozzle discharging an oxygen and fuel mixture into a first stage region formed in the combusti...
07/11/1995
5413477Staged air, low NOX burner with internal recuperative flue gas recirculation
A gas-fired burner incorporating an air driven jet pump for mixing air, fuel, and recirculated flue gas with reduced heat loss from the recirculated flue gas is disclosed. The burner is configured for the staged introduction of combustion air to provide a...
05/09/1995
4488868Apparatus and method for the combustion of water-in-oil emulsion fuels
An apparatus and method for the combustion of water-in-oil emulsion fuels are described. The apparatus is fitted to the top of a burner and the fuel is burned in the apparatus whereby the rapid and complete combustion of the fuel is achieved. The apparatu...
12/18/1984
4389185Combustor for burning a volatile fuel with air
A combustor in which fuel is premixed with rather large amounts of primary air in order to obtain a high temperature, rich mixture of volatized fuel and air prior to ignition is designed as a tubular vaporizer provided with a swirl inlet opening in a preh...
06/21/1983
 
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