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| Number | Title | Issue Date |
| 8100064 | Fuel staging methods for low NOx tangential fired boiler operation A tangential fired boiler includes a circumferential wall defining a combustion zone, the circumferential wall being generally rectangular when viewed along a generally horizontal cross-section. A fireball is disposed within the combustion zone, the fireball rotatin... | 01/24/2012 |
| 7112060 | Burner for treating waste gas The present invention provides a burner for use in a combustion-type waste gas treatment system for combusting waste gases emitted from semiconductor manufacturing system, particularly, a deposition gas containing SiH4 and a halogen-base gas, simultaneous... | 09/26/2006 |
| 7047893 | Pollution abatement incinerator system As taught herein, an incinerator system that directly eliminates the undesirable and harmful pollution of any gases vented or exhausted to open air. The system utilizes a fuel injector system that is used to dispense gaseous or atomized fuel of almost any type and i... | 05/23/2006 |
| 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 |
| 6969250 | Exhaust gas treating device A waste gas treatment system having a burner part and a combustion chamber provided at a downstream side of the burner part. Combustion flames are formed from the burner part toward the combustion chamber, and a waste gas is introduced into the combustion flames, th... | 11/29/2005 |
| 6938561 | Device for producing a rotating flow A device for producing a rotating flow in a rectangular flow duct which has a flue-gas outlet of an incineration plant, in particular of a garbage incineration plant, and a transition region from a combustion chamber of the incineration plant to the flue-gas outlet.... | 09/06/2005 |
| 6886476 | Vertical refuse incinerator for incinerating wastes and method for controlling the same In a vertical refuse incinerator for incinerating wastes according to the present invention, an incinerator body 1 is made up of an upper cylindrical part CP and a lower funnel part FP covered by a cooling case, and an exhaust gas mixing device 4 promo... | 05/03/2005 |
| 6874433 | Incinerator with an air distributor mounted in a furnace thereof An incinerator includes a furnace defining a combustion chamber, a feed supply, a feed-delivering conduit connected to the feed supply and the furnace, an air supply connected to the furnace, and an air distributor disposed in the combustion chamber, connected to th... | 04/05/2005 |
| 6736635 | Combustor for exhaust gas treatment The present invention provides a burner for use in a combustion-type waste gas treatment system for combusting waste gases emitted from semiconductor manufacturing system, particularly, a deposition gas containing SiH4 and a halogen-base gas, simultaneous... | 05/18/2004 |
| 6655303 | Furnace A furnace consists of at least one wall-mounted burner tilted downward for feeding air-fuel mixture and of a prism-shaped ash hopper. Slopes of the walls of lower combustion chamber region define the slotted mouth of ash hopper. The bottom airflow device ... | 12/02/2003 |
| 6601526 | Compact dual cyclone combustor An apparatus and method of creating a high combustion rate in a combustor used to burn combustible matter. The combustor comprising a cylindrical combustion chamber extending vertically with at least one side loading bin for loading combustible matter int... | 08/05/2003 |
| 6474251 | Cremating method and cremator The invention concerns a method for cremating human or animal bodies which consists in generating from a wall (10) of the combustion chamber (3), a turbulence in the form of a vertical displacement above the body (2) and in injecting the air required for ... | 11/05/2002 |
| 6401636 | Process and device for incineration of particulate solids A process for the incineration of particulate solids, especially biological waste matter with low caloric value, feeds the solids into a combustion chamber of a furnace together with a sub-stoichiometric amount of fresh air to control the rate of combusti... | 06/11/2002 |
| 6363868 | Combustors and burners with high turndown ratio Various smoke and combustible gas combustors (200, 300) are disclosed, and also disclosed are systems (100, 200) combining gas combustor with inventive burner. Such a burner (100 or 100') provides combustion of a particulate fuel such as sawdust, and many... | 04/02/2002 |
| 6325002 | Low nitrogen oxides emissions using three stages of fuel oxidation and in-situ furnace flue gas recirculation A method for reducing NOx emissions from the combustion of carbonaceous fuels using three stages of oxidation and second stage in-situ furnace flue gas recirculation. In the first stage, a partial oxidation combustor is used to partially combus... | 12/04/2001 |
| 6286443 | Method for treating combustibles by slagging combustion The present invention relates to a method for treating combustibles by slagging combustion, such as municipal wastes, plastic wastes, sewage sludges, or automobile wastes. Combustibles and oxygen-containing gas are supplied to a slagging combustion furnac... | 09/11/2001 |
| 6283048 | Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace The present invention relates to a swirling-type melting furnace for gasifying combustible wastes and/or coal, and a method of gasifying wastes by the swirling-type melting furnace. In the swirling-type melting furnace (5), gaseous materials supplied to a... | 09/04/2001 |
| 6279495 | Method and apparatus for optimizing the combustion air system in a recovery boiler A method and an apparatus for optimizing the combustion air system in a power boiler or chemical recovery boiler by improving fluid flow and gas mixing are disclosed, whereby one can increase boiler capacity and combustion uniformity and reduce particulat... | 08/28/2001 |
| 6216610 | Process and device for incineration of particulate solids A process for the incineration of particulate solids, especially biological waste matter with low caloric value, feeds the solids into a combustion chamber of a furnace together with a sub-stoichiometric amount of fresh air to control the rate of combusti... | 04/17/2001 |
| 6199494 | Method of improving the performance of a cyclone furnace for difficult to burn materials, and improved cyclone furnace thereof The firing performance of a radial, scroll, or vortex cyclone furnace can be improved when firing difficult to burn materials having a relatively low heating value or a relatively high moisture content, such as sub-bituminous and lignite coals. This can b... | 03/13/2001 |
| 6167818 | Castable cyclone deflector A cyclone furnace includes a cylindrical shaped furnace chamber having an inlet end for the introduction of fuel-air and an outlet end defining a re-entrant throat member. A monolithic deflector cone and orifice member comprised of a castable ceramic refr... | 01/02/2001 |
| 6161490 | Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace The present invention relates to a swirling-type melting furnace for gasifying combustible wastes and/or coal, and a method of gasifying wastes by the swirling-type melting furnace. In the swirling-type melting furnace (5), gaseous materials supplied to a... | 12/19/2000 |
| 6148744 | Coal firing furnace and method of operating a coal-fired furnace A method of operating a pulverized coal-firing furnace so as to achieve no more than a predetermined variation in the instantaneous vertical velocities of the flow exiting a combustion chamber of the furnace is provided. The method includes, in one variat... | 11/21/2000 |
| 6138587 | Process and furnace for burning refuse An arrangement for burning refuse in which the refuse is deposited on a grate and transported to a drop-out shaft. A part of the air supplied for burning the refuse is transmitted as primary air from below the grate. A part of the air is also blown into a... | 10/31/2000 |
| 6085674 | Low nitrogen oxides emissions from carbonaceous fuel combustion using three stages of oxidation A method and apparatus for reducing NOx emissions from the combustion of carbonaceous fuels using three stages of oxidation. In the first stage, a partial oxidation combustor is used to partially combust the fuel in the presence of heated combu... | 07/11/2000 |
| 5915310 | Apparatus and method for NOx reduction by selective injection of natural gas jets in flue gas A method of reducing NOx determines an NOx concentration profile within a zone of the furnace which is at a temperature below 2600° F. A stream of fluid fuel is injected into at least one region of relatively high NOx con... | 06/29/1999 |
| 5901653 | Apparatus including a two stage vortex chamber for burning waste material A low-pollutant system for waste materials treatment includes a process chamber for converting organic components of the waste materials into a flammable gas and a two-stage vortex burning chamber for complete combustion of the flammable gas. The vortex b... | 05/11/1999 |
| 5755166 | Method and device for after-burning of particulate fuel in a power plant In a power plant with combustion of particulate fuel in a fluidized bed, unburnt particles are after-burnt in a burner which is based on the principle of vortex collapse and coarser particles are separated in connection with the after-burning. Such a burn... | 05/26/1998 |
| 5730071 | System to improve mixing and uniformity of furnace combustion gases in a cyclone fired boiler An apparatus for improving mixing and uniformity of furnace combustion gases in a boiler includes a slag screen 50, slag screen baffle 62 with a plurality of wingwall sections 52 situated between cyclone burner riser sections 64. This arrangement improves... | 03/24/1998 |
| 5730072 | Method and system for continuous rapid incineration of solid waste in an oxygen-rich environment A method and system for continuous incineration of solid waste, directed to reducing formation of pathogens (such as dioxins) during incineration by inducing rapid combustion in an oxygen-rich environment. Waste may be shredded first. Waste is then disper... | 03/24/1998 |
| 5609833 | Process and apparatus for burning oxygenic constituents in process gas Process and apparatus for burning combustible constituents in process gas in a main combustion enclosure, preferably a thermal post-combustion device, whereby the main combustion enclosure is separated from a combustion chamber, into which oxygenic gas an... | 03/11/1997 |
| 5588381 | Method and system for burning waste materials A low-pollutant system for waste materials treatment includes a process chamber for converting organic components of the waste materials into a flammable gas and a two-stage vortex burning chamber for complete combustion of the flammable gas. The vortex b... | 12/31/1996 |
| 5527984 | Waste gas incineration Methods for the incineration of waste gas containing oxygen are disclosed which, in one aspect, have a combustion chamber with a high intensity, stable burner jet projecting therein and a backmixing zone in which are mixed burner fuel and waste gasses flo... | 06/18/1996 |
| 5211704 | Process and apparatus for heating fluids employing a pulse combustor Improved fluid heating apparatus and process, exemplified by steam boilers in which a pulse combustor serves to produce a heat source for enhanced steam generation, particularly in commercial or industrial applications are provided. The system may be slag... | 05/18/1993 |
| 5181475 | Apparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the like An apparatus and method for reducing nitrogen oxide emissions from the products of combustion is provided in which a vortex generator introduces natural gas, or other fluid fuel into the upper portion of a combustion device. The fuel introduced forms vort... | 01/26/1993 |
| 5169605 | Process and installation for the combustion of toxic gaseous effluents bereft of oxygen Process for the combustion of toxic gaseous effluents bereft of oxygen in a flame, comprising an inner cone (8) supplied with combustible gas (6) and with so-called primary combustion-suppporting gas (7). Said gaseous effluent (10) and a so-called seconda... | 12/08/1992 |
| 5163829 | Compact regenerative incinerator A compact regenerative incinerator for incinerating an effluent includes a single vessel with two compartments separated by a partition. Each compartment includes an opening and a combustion chamber, and these are separated by a thermal storage medium. Th... | 11/17/1992 |
| 5095826 | Incinerator The invention relates to an incinerator apparatus, comprising a primary combustion chamber (12), means for heating the primary combustion chamber (12), a secondary combustion chamber (14) communicating with the primary combustion chamber (12), and afterbu... | 03/17/1992 |
| 5007353 | Incinerator improvements Improvements for an incinerator system including double reburn tunnels, an excitor within a reburn tunnel, a choker for closing off part of a reburn tunnel, a grate near the incinerator's inlet to permit the drying and initial combustion of refuse, an ash... | 04/16/1991 |
| 4982672 | Low NOX incineration process A process for low NOX incineration which involves incinerating hazardous waste to produce a gaseous stream, adding combustible material to produce a combustible gas stream having combustible material in excess of the oxygen in the combustible gas stream, ... | 01/08/1991 |
