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| Number | Title | Issue Date |
| 8015932 | Method and apparatus for operating a fuel flexible furnace to reduce pollutants in emissions A fuel flexible furnace, including a main combustion zone, a reburn zone downstream from the main combustion zone, and a delivery system operably coupled to supplies of biomass and coal and configured to deliver the biomass and the coal as ingredients of first and r... | 09/13/2011 |
| 7213522 | Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion apparatus operation method A solid fuel burner and its combustion method suited for encouraging fuel ignition and avoiding slugging caused by combustion ash, wherein a gas of low oxygen concentration (exhaust combustion gas) is used as a carrier gas of such a low grade solid fuel as brown coa... | 05/08/2007 |
| 7207318 | Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by operating an auxiliary unit, comprises: detecting the amount of fuel i... | 04/24/2007 |
| 7168374 | Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignitio... | 01/30/2007 |
| 7028622 | Apparatus for burning pulverized solid fuels with oxygen A burner assembly combines oxygen and fuel to produce a flame. The burner assembly includes an oxygen supply tube adapted to receive a stream of oxygen and a fuel supply tube arranged to extend through the oxygen tube to convey a stream of fluidized, pulverized, sol... | 04/18/2006 |
| 7021222 | Coal-burning boiler's ignition burner The present application disclosed an ignition and burning apparatus used in a coal boiler, comprising a pulverized coal burner and one or more combustion-enhancing miniature oil guns inserted in the pulverized coal burner, wherein the miniature oil gun comprises a f... | 04/04/2006 |
| 7000676 | Controlled fluid flow mold and molten metal casting method for improved surface A DC casting mold for casting molten metal alloy comprising a cooled tubular body that has a thermally insulated insert attached to its top surface. The thermally insulated insert has a bottom portion with a beveled sidewall, which forms an angle with the horizontal... | 02/21/2006 |
| 6986311 | Burner system and method for mixing a plurality of solid fuels A burner assembly cofires a primary solid fuel and a secondary solid fuel in a combustion zone of a boiler. The burner assembly includes a fuel injector that mixes the primary solid fuel and the secondary solid fuel prior to injection into the combustion zone of the... | 01/17/2006 |
| 6973883 | Reburn system with feedlot biomass The present invention pertains to the use of feedlot biomass as reburn fuel matter to reduce NOx emissions. According to one embodiment of the invention, feedlot biomass is used as the reburn fuel to reduce NOx. The invention also includes burn... | 12/13/2005 |
| 6951454 | Dual fuel burner for a shortened flame and reduced pollutant emissions A dual fuel burner including an elongated supply pipe and a gas injector for a boiler furnace having a plurality of peripheral openings around a center opening. The peripheral openings are pitched radially away from the longitudinal axis of the gas injector and also... | 10/04/2005 |
| 6939178 | Fuel injector connector The present invention is directed to an electrical connector that attaches a fuel injector assembly to a vehicle control assembly. The electrical connector comprises a plastic molded body having two integrally formed portions, a base portion and a stem portion, and ... | 09/06/2005 |
| 6732665 | Method for generating thermal energy from fine-grained oilseeds, preferably from rapeseed, and device for carrying out the method The invention relates to an arrangement for utilizing small-grained oilseeds, preferably rapeseed, without the need for prior processing of the seeds such as expressing the oil, in which a pressure of at least 2 bar is maintained in the combustion space (2) o... | 05/11/2004 |
| 6595769 | Combustion burner and mixer for combustion burner A combustion burner includes a nozzle body formed in the shape of a pipe having an jet hole and a fuel nozzle installed into the nozzle body including an air jet hole, and having a fuel supply passage supplies fuel from the tip portion of the fuel nozzle.... | 07/22/2003 |
| 6546883 | Thermo-oxidizer evaporator A thermo-oxidizer evaporator is provided with a combustion chamber, burners, and waste water injection system. The waste water injection system is preferably adapted to atomize the waste water stream. The waste water is injected near the flame from the bu... | 04/15/2003 |
| 6450108 | Fuel and waste fluid combustion system A system for combusting difficult to combust fluid such as waste fluid wherein fuel and gaseous oxidant combust in a hot combustion gas chamber to form a hot combustion gas mixture which is accelerated to a high speed and at a steady, i.e. non-pulsing, fl... | 09/17/2002 |
| 6439140 | Device and method for combustion of fuel A fuel being primarily a liquid fuel is ejected through a fuel ejection pipe having an annular ejection opening; primary air is ejected through primary air-ejecting openings arranged on outer and inner sides of the fuel ejection opening, to form outer and... | 08/27/2002 |
| 6389998 | Device and method for combustion of fuel A fuel selected from powder fuels and liquid fuel is ejected through a fuel ejection pipe having an annular ejection opening; primary air is ejected through primary air-ejecting openings arranged on outer and inner sides of the fuel ejection, to form oute... | 05/21/2002 |
| 6379146 | Flow divider for radiant wall burner A flow divider for use in a gas burner assembly supported in an opening in a furnace wall has injected fluid, such as gas and/or air, flowing through an inner burner pipe then outwardly through a plurality of openings for burning along the surface of a wa... | 04/30/2002 |
| 6360677 | Injector for a burner and corresponding injection system An injector for a burner is provided in which assemblies for injecting the main and auxiliary fuels and the oxidizer are arranged radially, one around the other, about a longitudinal axis. The injector has a main-fuel outlet, an oxidizer outlet, and an au... | 03/26/2002 |
| 6269755 | Burners with high turndown ratio Various burner configurations for combustion of a particulate fuel such as sawdust, and many types of varying moisture content biomass fuels such as poultry litter. The burners exhibit a high turndown ratio. the burners include a housing defining an uprig... | 08/07/2001 |
| 6260492 | Method and apparatus for burning fuel in the free board of a pressurized fluidized bed with solids recirculation A method of combustion in a pressurized, fluidized bed and in the freeboard thereof. The combustion method is further characterized by the recirculation of solid sulfur absorbing materials. A gas channel, designed so as to prevent fluidizing gas from ente... | 07/17/2001 |
| 6244200 | Low NOx pulverized solid fuel combustion process and apparatus A method and apparatus for low-NOx combustion of a pulverized solid fuel in which combustion products from a partial oxidation combustor are mixed with a pulverized solid fuel, thereby preheating the pulverized solid fuel and resulting in devol... | 06/12/2001 |
| 6237510 | Combustion burner and combustion device provided with same A combustion burner includes a mixture nozzle (2) defining a mixture fluid passage through which a mixture fluid (1) containing pulverized coal and conveyor gas flows toward a furnace, secondary and tertiary air passages surrounding the mixture nozzle (2)... | 05/29/2001 |
| 6230635 | Device and method for combustion of fuel A fuel selected from powder fuels and liquid fuel is ejected through a fuel ejection pipe having an annular ejection opening; primary air is ejected through primary air-ejecting openings arranged on outer and inner sides of the fuel ejection, to form oute... | 05/15/2001 |
| 6216613 | Combustion process A process for solid fossil fuel oxidation that utilizes a refractory that defines a reactor core and a combustor chamber in serial communication. The reactor core is heated by burning an air fuel mixture external to the reactor core. A non-oxidizing gas/c... | 04/17/2001 |
| 6196142 | Method and burner for introducing fuel to a kiln A method and apparatus for introducing solid, liquid or gaseous fuel into a burning zone of a rotary kiln for manufacturing cement clinker. Fuel is conducted through a duct or ducts and primary air is conducted through at least two annular ducts arranged ... | 03/06/2001 |
| 6152051 | Powered fuel combustion burner with nozzle flow guide A combustion burner includes a mixture nozzle, a gas supply nozzle, and a flow guide. The mixture nozzle extends toward an interior of a furnace, and defines a mixture passage through which a mixture containing powdered solid fuel and gas for transferring... | 11/28/2000 |
| 6152052 | High temperature material face segments for burner nozzle secured by brazing A water jacket face of a burner nozzle for a synthesis gas generator is protected from hot gas corrosion by an annular heat shield of high temperature material tiles. Angular segments of a tile annulus around a burner nozzle orifice are secured to the wat... | 11/28/2000 |
| 6112676 | Pulverized coal burner A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around the outer periphery of the pulverized coal nozzle, and a ... | 09/05/2000 |
| 6089170 | Apparatus and method for low-NOx gas combustion A low NOx gas combustor includes an air injection mechanism to create a combustion air path. A set of arc-shaped gas injector arrays are formed in an annular configuration. Each arc-shaped gas injector array injects an arc-shaped stream of gas that inters... | 07/18/2000 |
| 6041743 | Water-tube boiler and burner The invention provides a water-tube boiler and a burner capable of realizing a reduction in NOx and CO in both the combustion of liquid fuel and the combustion of gaseous fuel. The water-tube boiler comprises a burner which uses liquid fuel or ... | 03/28/2000 |
| 5960724 | Method for effecting control over a radially stratified flame core burner A method for effecting control over a radially stratified flame core burner that is particularly suited for employment in a firing system of a fossil fuel-fired furnace for purposes of reducing the NOX emissions from the fossil fuel-fired furna... | 10/05/1999 |
| 5934206 | High temperature material face segments for burner nozzle secured by brazing The water jacket face of a burner nozzle for a synthesis gas generator is protected from hot gas corrosion by an annular heat shield of high temperature material tiles. Six, for example, angular segments of a tile annulus around a burner nozzle orifice ar... | 08/10/1999 |
| 5908003 | Nitrogen oxide reduction by gaseous fuel injection in low temperature, overall fuel-lean flue gas A process and apparatus for combustion of a solid carbonaceous material, for example coal, in which a mixture of the solid carbonaceous material and combustion air is injected into a combustion chamber and ignited, thereby forming a fuel-lean primary comb... | 06/01/1999 |
| 5890442 | Gas stabilized reburning for NOx control A coal-water slurry liquid fuel or coal or other liquid fuel is atomized for combustion in the reburn zone of a boiler with a relatively small addition of natural gas to produce NOx reductions comparable to the reburn effect of natural gas alon... | 04/06/1999 |
| 5878676 | Burner and furnace operated with at least one burner A burner is provided for a furnace having at least one windbox that is supplied with air for combustion and has extending therethrough at least one such burner, which opens out toward the combustion chamber. The burner has at least one primary air channel... | 03/09/1999 |
| 5829369 | Pulverized coal burner A burner having lower emissions and lower unburned fuel losses by implementing a transition zone in a low NOx burner. The improved burner includes a pulverized fuel transport nozzle surrounded by the transition zone which shields the central ox... | 11/03/1998 |
| 5823764 | Three-stage low NOx burner for burning solid, liquid and gaseous fuels A low NOx burner comprising ducts for the primary (6), secondary (7) and tertiary air (14), arranged coaxially around its longitudinal axis, for supplying of the primary, secondary and tertiary air, respectively, to a combustion chamber (3), means for acc... | 10/20/1998 |
| 5806443 | Pulverized coal burner and method of using same To provide a pulverized coal burner capable of reducing the NOx concentration at the time of a low load, a pulverized coal burner includes a secondary air nozzle and a tertiary air nozzle concentrically positioned about the outer periphery of a fuel nozzl... | 09/15/1998 |
| 5724901 | Oxygen-enriched gas burner for incinerating waste materials An oxygen-enriched gas burner and method of operation thereof for incinerating and/or melting and/or vitrifying and/or performing thermal treatment and/or oxidizing ground/liquid waste materials and particularly, but not exclusively, contaminated waste ma... | 03/10/1998 |
