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Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7878130 | Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility A overfiring air port of the present invention is to supply an incomplete combustion region with air making up for combustion-shortage, in a furnace in which the incomplete combustion region less than stoichiometric ratio is formed by a burner. Furthermore, the airp... | 02/01/2011 |
| 7836835 | Gas incinerator installed on a liquefied gas tanker ship or a liquefied gas terminal The invention relates to a gas incinerator device comprising a combustion chamber having a heater body producing combustion gas, at least one fan feeding the heater body with cool air to ensure combustion, and an exhaust chimney for exhausting the mixture formed by ... | 11/23/2010 |
| 7681508 | After-air nozzle for two-stage combustion boiler, and a two-stage combustion boiler, boiler and combustion method using the same An after-air nozzle capable of reducing NOx and CO and a boiler equipped with such a nozzle are provided The after-air nozzle has a vena contracta such that an outside diameter of a flow passage diminishes towards the air-jetting port which supplies air to a boiler,... | 03/23/2010 |
| 7363867 | Method and apparatus for adding reducing agent to secondary overfire air stream A combustion boiler for burning fuel and producing heat to generate steam. A method of minimizing discharging of nitrogen oxides from a combustion boiler comprising the steps of spraying a reducing agent into an overfire air stream and supplying the overfire air str... | 04/29/2008 |
| 7172731 | Apparatus for releasing pressure in a vacuum exhaust system of semiconductor equipment An apparatus for protecting a vacuum system of semiconductor equipment is disclosed. The apparatus comprises a process tool and a gas-exploding unit. The process tool includes a gas reaction chamber, and the process tool is connected with a first gas piping to exhau... | 02/06/2007 |
| 7168947 | Methods and systems for operating combustion systems Methods and systems for reducing nitrogen oxides in combustion flue gas is provided. The method includes combusting a fuel in a main combustion zone such that a flow of combustion flue gas is generated wherein the combustion flue gas includes at least one nitrogen o... | 01/30/2007 |
| 7047891 | Overfire air port and furnace system An Overfire Air (OFA) port design and method for use in a furnace system is disclosed. The OFA port design effectively reduces the amount of harmful pollutants emitted into the atmosphere upon discharge from an associated furnace. ... | 05/23/2006 |
| 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 |
| 7014824 | Method for purifying process waste gases The present invention relates to a method for purifying process waste gases by introducing them into a waste gas purification system that includes a reaction chamber and by post-treating the reaction products that leave the reaction chamber in a washing or sorbtion ... | 03/21/2006 |
| 7004086 | Injection of overfire air through the upper furnace arch for penetration and mixing with flue gas The boiler nose or arch of a furnace projects into the upwardly flowing flue gas to form a restricted passage. Overfire air is introduced into the cavity or plenum of the boiler nose and flows to injection ports along the inclined surface of the boiler nose to provi... | 02/28/2006 |
| 7004087 | High temperature gas reforming cyclo-incinerator A high temperature gas reforming cyclo-incinerator, using reformed water and strongly swirling inlet air in its interior to burn up wastes. The incinerator has a dust collecting structure designed to almost completely remove circulating dust and other harmful impuri... | 02/28/2006 |
| 6988454 | Method and apparatus for adding reducing agent to secondary overfire air stream A combustion boiler for burning fuel and producing heat to generate steam. A method of minimizing discharging of nitrogen oxides from a combustion boiler comprising the steps of spraying a reducing agent into an overfire air stream and supplying the overfire air str... | 01/24/2006 |
| 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 |
| 6962118 | Incinerator An incinerator capable of fully preventing dioxins from being released, and has high fuel economy with less fuel consumption. The basic constitution of the incinerator is such that entire gas volume including unburned gas generated in a first combustion chamber (A) ... | 11/08/2005 |
| 6945180 | Miniature garbage incinerator and method for incineration A portable miniature incinerator is described allowing easy disposal of household garbage for a single-family house or a small apartment building. The housing of the incinerator is mounted on a wheeled hand-truck assembly and contains an incineration block and a fil... | 09/20/2005 |
| 6938562 | Apparatus for waste gasification A gasification system that includes a gasification reactor chamber having perforated conduits or an inner lining that increases the exposed surface area of waste materials to gasification conditions, thereby decreasing gasification temperature, time, and cooling per... | 09/06/2005 |
| 6928935 | Incinerator pre-fill chamber An incinerator pre-fill chamber for installation on an incinerator for burning combustible material which allows the operator to continuously re-fill the container of the incinerator with new combustible material while the contents within the container is burning. T... | 08/16/2005 |
| 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 |
| 6865994 | Step-diffuser for overfire air and overfire air/N-agent injector systems An overfire air injector for use in a fossil fuel-fired combustion device includes a cylindrical nozzle having an outlet end formed with a step diffuser comprising one or more radial steps that enlarge the outlet end of the nozzle. An atomizer lance may be mounted w... | 03/15/2005 |
| 6799526 | Methods of improving productivity of black liquor recovery boilers Methods of increasing the throughput of recovery boilers equipped with at least three levels of injection of air with oxygen enrichment of the air in at least one air level. In one method, a black liquor recovery boiler has three levels of air injection, and oxygen ... | 10/05/2004 |
| 6748881 | Continuous pyrolysis furnace A pyrolysis furnace is described enabling removal of solid and liquid organic contaminants from various metal parts in a continuous manner. A novel furnace contruction employing a rotating retort vessel is described together with its method of continuous operation. | 06/15/2004 |
| 6691628 | Method and apparatus for thermal processing of powder raw materials In the manufacture of cement clinker from cement raw meal, sulfide-containing raw materials or raw materials with a high TOC (total organic carbon) level can be used for cement manufacture, which are uncontrollably incompletely burned in the upper cyclone... | 02/17/2004 |
| 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 |
| 6532879 | Gasifier system and method A solid fuel fed combustor system having a first chamber portion with an inlet feed for feeding a metered amount of a solid fuel thereto, a first burner stage having a first traveling conveyor firebelt, a metered amount of air introduced in progressively ... | 03/18/2003 |
| 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 |
| 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 |
| 6439135 | Organic waste gasification processing and the production of alternative energy sources A municipal waste gasification system comprises a plurality of primary gasification chambers for receiving municipal waste, a means for operating the municipal waste gasification system so that one or more of the primary gasification chambers may be idle ... | 08/27/2002 |
| 6431095 | Method of improving combustion in a system having a circulating fluidized bed, and a corresponding system The method is applicable to a combustion system of the circulating fluidized bed type which system includes a hearth and a cyclone, and operates using fuel that is inserted into the bottom of the hearth, where a reducing atmosphere is created and where th... | 08/13/2002 |
| 6422159 | Incinerator for home use An incinerator has a combustion vessel, a base trap and an afterburner. The combustion vessel has a combustion chamber, an exhaust leading from the chamber, an air intake leading to the chamber, and a gas intake leading to the chamber. Fresh air is mixed ... | 07/23/2002 |
| 6408771 | Methods of improving productivity of black liquor recovery boilers Methods are presented to increase the throughput of a recovery boiler equipped with at least primary and secondary levels of injection of air. The methods comprise operating the recovery boiler with a third level of oxidant injection below or at the same ... | 06/25/2002 |
| 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 |
| 6397833 | Natural draft automatic feed pellet stove A natural draft, gravity feed pellet stove. The body of the stove is formed by a vertical section of large diameter pipe, with an air intake pipe extending from the back of the stove to below combustion grate. Pellet fuel is discharged onto the grate thro... | 06/04/2002 |
| 6325003 | Low nitrogen oxides emissions from carbonaceous fuel combustion using three stages of oxidation A method for reducing NOx emissions from the combustion of carbonaceous fuels using two sequential stages of partial oxidation followed by a final oxidation stage. In the first stage, substoichiometric air condition of about 0.55 to 0.75 is use... | 12/04/2001 |
| 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 |
| 6318277 | Method for reducing NOx emissions with minimal increases in unburned carbon and waterwall corrosion A method and apparatus for reducing NOx emissions in a furnace having a main combustion zone with a waterwall and apparatus for supplying main combustion air and fuel to the main combustion zone, also reduces unburned carbon and waterwall corrosion in the... | 11/20/2001 |
| 6314896 | Method for operating a boiler using oxygen-enriched oxidants A method for operating a boiler using oxygen-enriched oxidants includes introducing oxygen-enriched air, or oxygen and air, in which the oxygen concentration ranges from about 21% to about 100% by volume. Fuel and oxygen-enriched air are introduced into t... | 11/13/2001 |
| 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 |
| 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 |
| 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 |
