| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 110204000 | Recirculation means | 29 |
| 20080236458 | Method and Device for Reducing Polyhalogenated Compounds in Incineration Plants - The invention relates to a method for reducing polyhalogenated compounds in incineration plants comprising at least one combustion chamber. The aim of the invention is to provide a more efficient method. To achieve this, SO | 10-02-2008 |
| 20100139534 | METHOD AND APPARATUS FOR GASIFICATION OF ORGANIC WASTE IN BATCHES - A gasification reactor for processing organic waste in batches comprises a primary gasification reactor ( | 06-10-2010 |
| 20100206202 | Process and Apparatus For The Separation of A Gaseous Mixture - A process for separating carbon dioxide from a fluid containing carbon dioxide, NO | 08-19-2010 |
| 20100288172 | GAS LEAKAGE REDUCTION SYSTEM - An air infiltration abatement system ( | 11-18-2010 |
| 20110107944 | METHOD AND APPARATUS OF CONTROLLING EXHAUST GAS IN OXYFUEL COMBUSTION BOILER - Provided are a method and an apparatus of controlling exhaust gas in an oxyfuel combustion boiler which can attain stable combustion of the boiler while an amount of unburned combustibles and a NO | 05-12-2011 |
| 20110139046 | Emissionless Oxyfuel Combustion Process and a Combustion System Using Such a Process - A method of combusting carbonaceous fuel in a combustion system. The combustion system includes a source of oxygen and a furnace. The method includes the steps of (a) feeding fuel and combustion gas including oxygen and recycling gas into the furnace for combusting the fuel with the oxygen and producing exhaust gas that includes CO | 06-16-2011 |
| 20140238281 | PULVERIZED FUEL SUPPLY METHOD FOR OXYFUEL COMBUSTION BOILER, AND OXYFUEL COMBUSTION BOILER SYSTEM - In an oxyfuel combustion boiler system, nitrogen gas separated by an air separation unit (ASU) is supplied as carrier gas to a pulverizer for drying and pulverization of fuel. A fluid mixture of the nitrogen gas from the pulverizer with pulverized fuel is supplied to a powder separation device where the pulverized fuel is separated. The separated pulverized fuel is mixed with the primary recirculated flue gas and supplied to a burner. | 08-28-2014 |
| 20160018102 | LOW NOx COMBUSTION METHOD AND APPARATUS - A steam generator system employing a fired burner with a flue gas recirculation system with low NOx emission is disclosed. A method to retrofit fired burners for low NOx emission is also disclosed. In the system, the flue gas recirculation system is configured to include a pre-mixer, and the recirculated flue gas (RFG) is routed to the stage of the pre-mixer for mixing with a portion of the fuel stream, forming a secondary RFG fuel mixture. The secondary RFG fuel mixture is routed to the secondary stage of the burner via a plurality of injector ports. The injection of the second RFG fuel mixture results in a reduction of temperature for the NOx emission to be less than 5 ppm at 3% O | 01-21-2016 |
| 20160030783 | FACILITY FOR PRODUCING AND TREATING SMOKE - A fume production and treatment installation includes: | 02-04-2016 |
| 110205000 | Air supply means | 20 |
| 20080223266 | Wood fired boiler - A bio-mass fueled boiler operating at delivered efficiencies in excess of 90%. Pre-heated, pressurized primary combustion air is supplied to a primary burn chamber via horizontal and vertical orifice containing conduits. Exhaust gases are directed past a reflective secondary burner supplying pre-heated, pressurized secondary combustion air into a secondary burn/ash collection chamber. Exhaust gases are directed from the secondary burn chamber via exhaust conduits having axial and cross-sectional shapes and wall geometries that promote internal turbulence and heat transfer. One or more gas/oil fired burners are fitted to or between the primary and secondary combustion chambers. Several operating modes are provided via associated blowers, air baffles, liquid and gas fuel conduits, pumps and sundry stove sensors and servos coupled to microprocessor control circuitry. | 09-18-2008 |
| 20090293782 | METHOD OF AND SYSTEM FOR GENERATING POWER BY OXYFUEL COMBUSTION - A method of generating power by oxyfuel combustion. Carbonaceous fuel and oxidant gas are fed into a furnace. In a first operating mode, the oxidant gas includes a stream of substantially pure oxygen conveyed from an oxygen supply for combusting the fuel with the oxygen to produce exhaust gas including mainly carbon dioxide and water. The exhaust gas is discharged from the furnace and is divided into a recycling portion and an end portion. The recycling portion is recycled to the furnace. Heat is transferred from the end portion to the stream of substantially pure oxygen by circulating a liquid heat transfer medium in a passage between an exhaust gas cooler and an oxygen heater. | 12-03-2009 |
| 20100031859 | Combustion Installation - A combustion installation comprising a combustion device for combustion of a fuel and an oxygen-containing gas to a combustion gas and a method for such combustion is described. A nozzle means is arranged for injection of the fuel into the combustion device and a membrane device for supplying oxygen to the combustion gases for production of the oxygen-containing gas, wherein the combustion device comprises at least a first inlet for the oxygen-containing gas and an outlet for the combustion gases. The combustion installation comprises at least a first ejector including the nozzle means and the first inlet, wherein the nozzle means and the first inlet are arranged to drive the flow of oxygen containing gas and fuel through the combustion device. | 02-11-2010 |
| 20100077942 | OXY/FUEL COMBUSTION SYSTEM WITH LITTLE OR NO EXCESS OXYGEN - The disclosure includes a combustion system including a primary reactor arranged and disposed to receive a solid fuel and a first oxygen stream and deliver a first substantially gaseous product and a substantially solid or molten product, a secondary reactor in fluid communication with the primary reactor, and a furnace in fluid communication with the secondary reactor. | 04-01-2010 |
| 20110000406 | Oxycombustion Circulating Fluidized Bed Reactor and Method of Operating Such a Reactor - An oxycombustion circulating fluidized bed reactor includes a reactor chamber and a gas distribution arrangement provided in a bottom section of the reactor chamber for introducing gas into the reactor chamber. The gas distributor arrangement includes a first gas feeding system and a second gas feeding system for introducing oxygen-rich gas into the reactor chamber. The first gas feeding system includes a first wind box and the second gas feeding system includes a second wind box. The first wind box has a common wall with the reactor chamber and the second wind box is arranged under the first wind box and has a common wall with the first wind box. | 01-06-2011 |
| 20110073020 | Oxyfuel Combustion Boiler Plant - An oxyfuel combustion boiler plant comprising: an air separation unit for manufacturing oxygen by separating nitrogen from air, a boiler having a burner for burning the oxygen supplied from the air separation unit and pulverized coal, and a primary system pipe for supplying the pulverized coal to the burner, an exhaust gas recirculation system pipe for supplying combustion exhaust gas discharged from the boiler to the primary system pipe, and a carbon dioxide capture unit for capturing carbon dioxide in the exhaust gas discharged from the boiler, the oxyfuel combustion boiler plant is further comprising: an oxygen supply pipe for supplying the oxygen manufactured by the air separation unit to the primary system pipe in the burner, and a pipe for supplying the combustion exhaust gas discharged from the boiler to the oxygen supply pipe, wherein an injection port of the oxygen supply pipe is disposed on an upstream side of an injection portion of the burner. | 03-31-2011 |
| 20110232544 | Oxycombustion Circulating Fluidized Bed Reactor, Method of Operating Such a Reactor and Method of Upgrading a Circulating Fluidized Bed Reactor - An oxycombustion circulating fluidized bed reactor includes a reactor chamber, and a gas distribution arrangement provided in the bottom section of the reactor chamber for introducing gas into the reactor chamber. A windbox chamber having gas introduction nozzles introduces gas from the windbox chamber into the reactor chamber and an has an inlet that opens into the windbox chamber. A first gas feeding system introduces gas into the windbox chamber, and a second gas feeding system introduces gas into the wind box chamber in the vicinity of at least one nozzle inlet. | 09-29-2011 |
| 20110271881 | METHODS, COMPOSITIONS, AND BURNER SYSTEMS FOR REDUCING EMISSIONS OF CARBON DIOXIDE GAS INTO THE ATMOSPHERE - A method of preparing an oxidant stream comprising: burning a combustion mixture comprising (a) one or more fuel composition and (b) oxidant comprising a first oxygen content of about 10 mole % or more and a first carbon dioxide (CO | 11-10-2011 |
| 20120227644 | OXYGEN MIXER FOR OXYGEN COMBUSTION BOILER - In an oxygen mixer for an oxygen combustion boiler, circulating exhaust gas heated in a rotary preheater is mixed with oxygen. Resultant mixed gas is guided to a boiler furnace through a combustion gas duct having bends. At the bend closest to the rotary preheater in the combustion gas duct, an oxygen injection nozzle is arranged to have a plurality of injection ports for injection of oxygen into circulating exhaust gas. | 09-13-2012 |
| 20130125798 | BURNER WITH OXYGEN AND FUEL MIXING APPARATUS - An apparatus is provided for combining oxygen and fuel to produce a mixture to be burned in a burner. The oxygen-fuel mixture is ignited in a fuel-ignition zone in a flame chamber to produce a flame. | 05-23-2013 |
| 20130139738 | METHOD AND A DEVICE FOR CLEANING A CARBON DIOXIDE RICH FLUE GAS - A gas cleaning system ( | 06-06-2013 |
| 20130199424 | DEVICE AND METHOD FOR PRODUCING A FINE-GRAINED FUEL BY DRYING AND IMPACT CRUSHING - A device and method for producing a fine-grained fuel, in particular from solid, paste-like or aqueous energy feed stocks, by drying and crushing, including an impact reactor having a rotor and impact elements, a labyrinth seal in the region of the rotor shaft of the impact reactor, a device for feeding hot drying gas through the labyrinth seal into the impact reactor and at least one further feed device for hot drying gas in the bottom region of the impact reactor, a feed device for solid or paste-like energy feed stocks in the top region of the impact reactor, at least one extractor device for a gas flow containing crushed and dried energy feedstock particles, and a device for separating and extracting crushed and dried energy feed stock particles from the gas flow extracted from the impact reactor. | 08-08-2013 |
| 20130305968 | BURNER DEVICE FOR HIGH-TEMPERATURE AIR COMBUSTION - The burner device for high-temperature air combustion according to the present invention is equipped with a thermal insulation portion ( | 11-21-2013 |
| 20140208994 | FLUID DISTRIBUTION AND MIXING GRID FOR MIXING GASES - A grid for distributing and mixing fluids in a duct includes a plurality of lances arranged in a first plane and configured to be positioned transverse to a direction of a first fluid flowing outside of the lances and within a predetermined flow area. Each of the plurality of lances has at least one first inlet and a plurality of outlet nozzles. One or more of the outlet nozzles is directed generally in the flow direction of the first fluid outside of the lances, and is configured to discharge a second fluid therefrom. | 07-31-2014 |
| 110206000 | Including pump | 6 |
| 20120012036 | Once Through Steam Generator - A once-through steam generator (OTSG) creating steam from feedwater by heat provided by flue gas. Combustion air is introduced into the OTSG through an air input/output apparatus. It is then fed into a combustion system to generate the flue gas. The flue gas is then fed into a steam generation apparatus to generate steam. The flue gas is returned to the air input/output apparatus to mix with and preheat the combustion air. Steam is created by the passing of the flue gas across a series of tube contained within the OTSG. The tubes are arranged in a combination counter-current/co-current configuration to provides for the minimization of the creation of solid deposits in the tubes. | 01-19-2012 |
| 20120125240 | SYSTEM AND METHOD OF MANAGING ENERGY UTILIZED IN A FLUE GAS PROCESSING SYSTEM - A method is provided for managing an amount of energy utilized by a carbon dioxide capture system. The method includes providing a fuel and a feed stream to a combustion system. The feed stream includes oxygen and a portion of a flue gas stream generated upon combustion of the fuel. The method also includes subjecting the flue gas stream to a carbon dioxide capture system to remove carbon dioxide therefrom, measuring a concentration of oxygen present in the feed stream, and selectively adjusting an amount of the flue gas stream included in the feed stream based on the measured concentration of oxygen in the feed stream. The selective adjustment is performed such that the feed stream maintains an oxygen concentration in a range of between about 10% to 90% by volume and the carbon dioxide capture system operates at an energy load between 1.4 GJ/ton of carbon dioxide and 3.0 GJ/ton of carbon dioxide. | 05-24-2012 |
| 20150083032 | Combustion System - Combustion system. The system includes a combustor generating a combustion gas and a splitter for receiving the combustion gas and dividing the combustion gas into first and second gas streams. A temperature controller receives the first gas stream, mixes it with recycled gas and introduces it into a heat recovery steam generator at a desired temperature. A mixer receives the second gas stream, mixes it with recycled gas and introduces it into the heat recovery steam generator. The cool gas that exits the heat recovery steam generator forms the recycled gas. A suitable combustor is an oxy-coal combustor. | 03-26-2015 |
| 110207000 | Eductor | 3 |
| 20090320725 | FURNACE SYSTEM WITH INTERNAL FLUE GAS RECIRCULATION - A furnace system | 12-31-2009 |
| 20130269576 | BURNER WITH ADJUSTABLE FLUE GAS RECIRCULATION - The invention relates to a burner (B) for firing a combustion chamber, having a supply duct (Z | 10-17-2013 |
| 20140230701 | NATURAL DRAFT LOW SWIRL BURNER - A new design for a low swirl burner is disclosed in which natural draft rather than a motorized pump is used to move a fuel-air mixture through the burner. This new design enables the burn off of gas at refineries in an environment where electric motors cannot be used because of the potential for sparks, which could trigger explosions. Additional modifications to the burner, including the introduction of flue gas to the burner allows for the reduction of NOx gas to meet current emission control targets, without the need for further post combustion emission control systems. | 08-21-2014 |
