Class 431/165 - Oxidizer fed at spaced points along combustion path

Subclass of Class 431 - Combustion
Definition: Apparatus including one or more sections for heating an
No. of patents: 29
Last issue date: 09/19/2006

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Number	Title	Issue Date
7108730	Method for providing controlled heat to a process This invention relates to a method for providing controlled heat to a process utilizing a flameless distributed combustion. The method of the invention comprises providing an oxidation chamber, with an inlet for oxidant, an outlet for combustion products, and a flow...	09/19/2006
6921261	Air-heating gas burner A burner (10, 210, 310, 410) including a fuel manifold (12, 212, 312, 412), perforated air-mixing plates (14, 16, 214, 218, 414) coupled to the fuel manifold to define a fuel-air mixing region (22, 473) therebetween above the fuel manifol...	07/26/2005
6910878	Oxy-fuel fired process heaters Process heaters operated with a burner that uses high-oxygen oxidant gas instead of air and that recirculates and entrains combustion gases, wherein oxidant gas is injected at an angle to the fuel nozzle. ...	06/28/2005
6910879	Combustion 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
6790031	Fuel staging methods for low NOx tangential fired boiler operation A tangential fired boiler has a circumferential wall defining a combustion zone and a plurality of fuel inlets disposed along the circumferential wall. The plurality of fuel inlets inject fuel at non-uniform rates in order to produce localized fuel rich, oxygen poor...	09/14/2004
6544029	Methods and apparatus for combustion in high volatiles environments Methods and apparatus for combusting a fuel with an oxidant are described, the apparatus comprising a ceramic burner block, the burner block having a back face and a front face. The burner block has at least one oxidant cavity in an upper portion of the b...	04/08/2003
6419480	Method and apparatus for providing low level Nox and CO combustion A low NOx and CO emission heating apparatus provides for substantially separate fuel and combustion air feeds into a combustion chamber provided at one end with an exhaust gas opening and, at an opposite end with an elongated porous air distrib...	07/16/2002
6334770	Fluid-fuel furnace burner for iron and steel products A fluid-fuel burner of the type producing a flame with axial development, which includes a combustion tile, having a broad shape, provided with an oxidizer and fuel injection orifices. These are approximately parallel to the major axis of symmetry of the ...	01/01/2002
6193500	Method and apparatus for controlling gasoline vapor emissions The present invention combines the gasoline vapor recovery efficiency advantages of a Hirt "Partial Seal System", as disclosed, for example, in U.S. Pat. No. 4,680,004 to Hirt, with the customer convenience advantages of gasoline vapor recovery systems em...	02/27/2001
6142765	Process for burning fuel A process for burning fuel which is formed of free hydrocarbons and/or fine-grained to dusty solid fuels, with a view to obtaining thorough mixing of the oxygen with the fuel in a manner as free of turbulences as possible, is characterized in that, into a...	11/07/2000
6120281	Combustion method utilizing tangential firing A combustion method in which a coal/primary air mixture is discharged from burners located in the corners of the furnace towards an imaginary circle disposed in the center of the furnace. Air is discharged from air nozzles also located in the corners of t...	09/19/2000
6074197	Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...	06/13/2000
6068468	Refractory block for use in a burner assembly A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...	05/30/2000
5984667	Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...	11/16/1999
5975886	Combustion process and apparatus therefore containing separate injection of fuel and oxidant streams A burner assembly having improved flame length and shape control is presented, which includes in exemplary embodiments at least one fuel fluid inlet and at least one oxidant fluid inlet, means for transporting the fuel fluid from the fuel inlet to a plura...	11/02/1999
5509403	Gas fires cooking assembly with plate conductive to heat radiation The gas cooking assembly of the invention includes at least one gas-fired burner which has a burner chamber and a burner plate, especially a burner plate made of fiber material, the gas-fired burner being arranged below a continuous cooking plate made of ...	04/23/1996
5322026	Waste combustion chamber with tertiary burning zone This invention relates to a combustion chamber and a method for burning waste material, such as waste oil, hazardous chemicals, and municipal garbage or trash, in a manner which generates very little smoke, particulate matter, unburned hydrocarbons, or po...	06/21/1994
4907411	Internal combustion chamber arrangement A combustion chamber arrangement for gas turbine propulsion units with a flame tube of ceramic material which is surrounded by a metallic wall while leaving free an intermediate space; the flame tube is composed of ring-shaped parts whereby sheet metal mo...	03/13/1990
4642047	Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining Method and apparatus for high temperature heating, melting, refining and superheating of materials, such a steel scrap, metals, ceramics or glass. The invention provides an economizing method of hydrocarbon fluid fuel combustion in an ongoing flame in a l...	02/10/1987
4403941	Combustion process for reducing nitrogen oxides A combustion process for reducing nitrogen oxides in combustors is proposed wherein combustion takes place successively forming an incomplete combustion zone, a reducing combustion zone, and a complete combustion zone, respectively corresponding to primar...	09/13/1983
4331638	Method of dry scrubbing reaction products resulting from flame burning A method of scrubbing reaction products resulting from flame burning of fuels containing impurities such as sulfur compounds, chlorine compounds, and fluorine compounds. The scrubbing is accomplished by the addition to the fire chamber of additives which ...	05/25/1982
4250820	Process and apparatus for operating a firebox with solid gasifiable fuel having poor kindling properties and low volatile gas contents In order to burn a fuel of low ignition properties and low contents of volatile gases in steam generators: the combustion air is introduced in three batches at three successive places into the firebox. Preferably, the primary air is introduced at a temper...	02/17/1981
4152107	Preheating of secondary air from combustion chamber radiation In an oil fired boiler (with a combustion chamber and a burner which blows a flame into it) there is a J-shaped heat-exchange duct, built on the combustion chamber floor out of thermally ultra-conductive and non-corroding pipes and fittings. Because of th...	05/01/1979
4149842	Waste oil burner A burner for hydrocarbon fuel, such as waste lubricating oil for internal combustion engines and the like, has a fuel line terminating in a discharge nozzle and connected to a source of the fuel. Arranged within the fuel line and terminating in a discharg...	04/17/1979
4144017	Pulverized coal combustor An apparatus and method whereby fuel is burned in serially connected furnaces under controlled combustion temperature and airflow conditions so as to inhibit the formation of nitric oxides while achieving complete combustion of the fuel....	03/13/1979
4050877	Reduction of gaseous pollutants in combustion flue gas Fuel is burned in a primary combustion chamber with less than the air required for stoichiometric combustion so that the combustion gases have a high carbon monoxide (CO) and hydrocarbon content and the temperature of the gases is held below that at which...	09/27/1977
4013399	Reduction of gaseous pollutants in combustion flue gas Fuel is burned in a primary combustion chamber with less than the air required for stoichiometric combustion so that the combustion gases have a high carbon monoxide (CO) and hydrocarbon content and the temperature of the gases is held below that at which...	03/22/1977
4007001	Combustors and methods of operating same New combustors, and methods of operating same, which produce lower emissions, particularly lower emissions of nitrogen oxides and CO, are provided. A first stream of air is introduced, either radially or axially, to a first combustion region of the combus...	02/08/1977
3994669	Furnace A furnace and method of making the same are provided. The furnace has an integral poured refractory concrete combustion chamber wall having embedded therein a tertiary air supply system for supplying air around the burning fuels and air mixtures emitted f...	11/30/1976

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Class 431/165 - Oxidizer fed at spaced points along combustion path