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| Number | Title | Issue Date |
| 8152514 | Oil/slurry burner with injection atomization An oil/slurry burner with injection atomization for the gasification of solids-containing liquid fuels under high pressures of e.g. 80 bar (8 MPa) and high temperatures of e.g. 1200 to 1900 degrees centigrade in reactors with liquid slag removal is proposed, wherein... | 04/10/2012 |
| 8075305 | Dual fuel gas-liquid burner A burner for use in furnaces such as in steam cracking. The burner includes a primary air chamber for providing at least a portion of the combustion air, a burner tube having an upstream end and a downstream end, a fuel orifice located adjacent the upstream end of t... | 12/13/2011 |
| 8002541 | Combustion method and apparatus A burner has a port facing into a combustion chamber along an axis. A secondary fuel injector structure has secondary fuel injection ports that face into the combustion chamber at locations spaced radially outward from the burner port. A tertiary fuel injector struc... | 08/23/2011 |
| 7901204 | Dual fuel gas-liquid burner A dual-fuel burner for use in furnaces such as in steam cracking. The burner includes a primary air chamber, a burner tube having an upstream end and a downstream end, a fuel orifice located adjacent the upstream end of the burner tube for introducing gaseous fuel i... | 03/08/2011 |
| 7789658 | Fired heater A fired heater has two types of burners. The first burner is located in a duct which provides oxygen-containing gas to the heater to be combusted with the fuel provided by the burner. The second burner is located in the heater and provides both air and fuel for comb... | 09/07/2010 |
| 7435082 | Furnace using plasma ignition system for hydrocarbon combustion An apparatus and method for the creation, placement and control of an area of electrical ionization within an internal combustion engine combustion chamber or a fuel burner for a furnace is disclosed. A furnace includes a fuel source, a fuel burner, a plasma nozzle ... | 10/14/2008 |
| 7402038 | Combustion method and apparatus A burner has a port facing into a combustion chamber along an axis. A secondary fuel injector structure has secondary fuel injection ports that face into the combustion chamber at locations spaced radially outward from the burner port. A tertiary fuel injector struc... | 07/22/2008 |
| 7351392 | Process for the high recovery efficiency of sulfur from an acid gas stream A combined process for the recovery of sulfur from an acid gas stream. The combined process includes both a Claus unit and a unit for treating the Claus tail gas with caustic to remove hydrogen sulfide therefrom and to biologically oxidize the hydrogen sulfide using... | 04/01/2008 |
| 7241138 | Burner with stepped fuel injection In a burner (1) having an interior space (22) surrounded by at least one shell (8, 9) in which burner (1) fuel is injected through fuel nozzles (6) arranged at the burner shells (8, 9) into a combustion air stream (23... | 07/10/2007 |
| 7188476 | Gas turbine combustor and operating method thereof A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 03/13/2007 |
| 7172412 | Pyrolysis heater A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which includes staged combustion low NOx hearth burners firing upwardly in the firebox adjacent to the walls. Wall stabil... | 02/06/2007 |
| 7171813 | Fuel injection nozzle for gas turbine combustor, gas turbine combustor, and gas turbine A fuel injection nozzle has a cylindrical nozzle body having a cavity where fuel passes through. A plurality of hollow spokes, each having an aerofoil cross section, are provided around the nozzle body. Each hollow spoke has four fuel injection holes in total on bot... | 02/06/2007 |
| 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 |
| 7029271 | Flameless oxidation burner A device including a burner (6) for directing a fuel/air mixture into a reaction chamber (2) for flameless oxidation of fuels. The burner (6) discharges a fuel/air jet transversely to a longitudinal axis (A) of the burner and an exhaust gas chan... | 04/18/2006 |
| 7025590 | Remote staged radiant wall furnace burner configurations and methods A remote staged radiant wall furnace burner configuration includes placement of secondary fuel gas nozzles remote from radiant wall burners. This configuration brings about an increased mixing of secondary fuel with furnace flue gases. As a result, the temperature o... | 04/11/2006 |
| 6979191 | Combustion apparatus and method for radiating wall heating system A burner and combustion method for a radiant wall heating system wherein each burner fuel ejector is positioned such that at least a substantial portion of the burner combustion air is discharged from an area beyond the ejector located the greatest distance from the... | 12/27/2005 |
| 6968791 | Oxygen-enriched co-firing of secondary fuels in slagging cyclone combustors A method for operating a cyclone combustor having first and second burners in communication with a barrel includes: feeding a stream of a primary fuel and a primary oxidant having a first oxygen concentration into the first burner; feeding a stream of a secondary fu... | 11/29/2005 |
| 6968692 | Fuel premixing module for gas turbine engine combustor A fuel-air premixing module is designed to reduce emissions from a gas turbine engine. In one form, the premixing module includes a central pilot premixer module with a main premixer module positioned thereround. Each of the portions of the fuel-air premixing module... | 11/29/2005 |
| 6902713 | Method for partially oxidizing a gas stream comprising hydrogen sulphide and ammonia A method for partially oxidizing, in a Claus furnace, at least one gas containing hydrogen sulfide and ammonia with at least one gas rich in oxygen. The residual ammonia content at the outlet of the furnace is measured with a laser diode. Based upon this measurement... | 06/07/2005 |
| 6880549 | Combustion system for a heater A combustion system for a portable forced air heater having two frusta-conical sections attached to a circular burner tube, wherein each frusta-conical section has pre-determined vent hole patterns that allow the gas heater to have a variable burn rate. ... | 04/19/2005 |
| 6866501 | Burner assembly for delivery of specified heat flux profiles in two dimensions A burner is provided which includes a plurality of burner subunits that each share a single air supply, a single fuel supply and a single control system. Each burner subunit has a plurality of air orifices and a plurality of fuel orifices of sufficient quantity and ... | 03/15/2005 |
| 6857870 | Combustion system for a heater A combustion system for a portable forced air heater having two frusta-conical sections attached to a circular burner tube, wherein each frusta-conical section has pre-determined vent hole patterns that allow the gas heater to have a variable burn rate. ... | 02/22/2005 |
| 6705857 | Method for injecting fuel into a burner In a method for injecting fuel into a burner (1), which burner (1) comprises an inner chamber (22) enclosed by at least one shell (8, 9), at which inner chamber fuel is injected through fuel nozzles (6) into a combustion air stream... | 03/16/2004 |
| 6672862 | Premix burner with integral mixers and supplementary burner system An apparatus is provided including a furnace structure defining a reaction chamber in which oxidant and fuel are reacted to form combustion products and having an anchor surface having an opening through which the oxidant and fuel are introduced into the ... | 01/06/2004 |
| 6663380 | Method and apparatus for advanced staged combustion utilizing forced internal recirculation A method and apparatus for combustion of a fuel in which a first-stage fuel and a first-stage oxidant are introduced into a combustion chamber and ignited, forming a primary combustion zone. At least about 5% of the total heat output produced by combustio... | 12/16/2003 |
| 6638057 | Partial oxidation of hydrogen sulphide An air-oxygen hydrogen sulphide burner (108) fires into a furnace (102). The burner comprises a main passage for combustion-supporting gas containing air (112), a multiplicity of spaced apart outer elongate fluid-conducting open ended tubes extending in p... | 10/28/2003 |
| 6499991 | Liquid fuel vaporizer having single fuel injector A liquid fuel vaporizer includes a combustion chamber in which heat is generated by burning fuel therein, an vaporization chamber in which liquid fuel is vaporized by the heat transferred from the combustion chamber to the vaporization chamber. Both chamb... | 12/31/2002 |
| 6499990 | Low NOx burner apparatus and method A burner and method for reducing NOx emissions from process heaters, boilers, and other heating systems having flue gases present therein. The inventive burner and method preferably involve the single stage combustion of fuel gas which is eject... | 12/31/2002 |
| 6461151 | Burner for a heat generator According to the invention, in burners having a swirl generator (100), a mixing tube (220) and a combustion chamber (30), the transition from the mixing tube (220) to the combustion chamber (30) is designed with a variable radius over the circumference of... | 10/08/2002 |
| 6455012 | Acid gas burner and reactor apparatus and method An acid gas burner and reactor apparatus, and method when used in the Claus process, are improved over the prior art by the provision of a substantially continuous circular slot for the flow of a reactant gas from an annular conduit into the open outflow ... | 09/24/2002 |
| 6409499 | Variable stoichiometric combustion A method of combustion and an apparatus therefor in which separate streams of very lean and very rich fuel/oxidant mixture are combusted separately, the products of combustion therefrom being thoroughly mixed before final combustion takes place. The lean/... | 06/25/2002 |
| 6347935 | Low 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 |
| 6331107 | 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... | 12/18/2001 |
| 6155820 | Burner for operating a heat generator In a burner for operating a heat generator, which burner essentially comprises a swirl generator (100), a transition piece (200) arranged downstream of the swirl generator, and a mixing tube (20), transition piece (200) and mixing tube (20) form the mixin... | 12/05/2000 |
| 6132204 | Wide flame burner A nozzle assembly, a burner and a method for producing a wide combustion flame are provided. The burner has a plurality of refractory nozzles, each having a minimum wall thickness of from about 0.25 to about 0.33 of the minimum nozzle dimension. Each nozz... | 10/17/2000 |
| 6068467 | Combustor A combustor has a pilot nozzle 02 arranged at a central portion of an inner cylinder 01 opening at its end into a combustion chamber 018 and includes a plurality of main nozzles 03 arranged around its outer circumference. Along the outer circumference of ... | 05/30/2000 |
| 6007325 | Ultra low emissions burner A gas fired burner is provided for use in applications such as chemical process furnaces for process heaters in refineries and chemical plants, and the like. The burner is provided with a plurality of fuel gas inlets for enabling manipulation of the flame... | 12/28/1999 |
| 5993199 | Turbo-flame burner design A burner design for use especially with rotary dryers is provided, in which a primary firing tube is provided with an oil body disposed proximate the burner tip portion of the firing tube, the oil body being constructed to divide an airflow into an outer ... | 11/30/1999 |
| 5993193 | Variable heat flux low emissions burner A gas fired burner is provided for use in applications such as chemical process furnaces for process heaters in refineries and chemical plants, and the like. The burner is provided with a plurality of fuel gas inlets for enabling manipulation of the flame... | 11/30/1999 |
| 5980243 | Flat flame A burner for combusting fuel gas and air in an enclosure having a burner block member of non-combustible material, such as ceramic, having a central rectangular or square opening. Said burner block being located between the surface to be heated and an enc... | 11/09/1999 |
