Class / Patent application number | Description | Number of patent applications / Date published |
431007000 | In a porous body or bed, e.g., surface combustion, etc. | 33 |
20080213708 | Fuel Delivering Terminal For a Combustion Lance of Lime Regenerating Ovens, Combustion Lance Equipped With Such Terminal, System and Process For Controlling the Fuel Supply Flow Through Such Lance - A fuel delivering terminal ( | 09-04-2008 |
20090053661 | FLUIDIZED BED BOILER PLANT AND METHOD OF COMBUSTING SULFUROUS FUEL IN A FLUIDIZED BED BOILER PLANT - A fluidized bed boiler plant and a method of combusting sulfurous fuel in the fluidized bed boiler plant, a furnace of which plant is provided with a fluidized bed of particles. Sulfurous fuel, CaCO | 02-26-2009 |
20100092898 | Chemical Looping Combustion - The present invention comprises a method and reactor of chemical looping combustion involving at least two gases in a reactor in which: said at least two gases are conveyed to a reactor fluid inlet centre which is divided in at least two sectors; said at least two gases flow radially outward into an oxygen carrier bed that surrounds said fluid inlet center, said oxygen carrier bed comprising an active material, in which at least one reaction takes place between said active material and said at least two gases; effluents from said at least one reaction are conveyed to an outer compartment of the reactor, said compartment being divided in two sections by means of two radially extending partition walls, said fluid inlet centre, said oxygen carrier bed and said outer compartment are rotating relative to each other. | 04-15-2010 |
20100104989 | BURNER ARRANGEMENT - The invention relates to a burner arrangement ( | 04-29-2010 |
20100285413 | Apparatus and Methods For Providing Uniformly Volume Distributed Combustion of Fuel - A combustor apparatus and method for the combustion of viscous fuels are provided. The combustor apparatus can include a precombustion chamber particularly adapted to heat and at least partially combust a heavy primary fuel, and a main combustion chamber adapted to combust the primary fuel uniformly through the main combustion chamber (in flameless mode). The precombustion chamber can include at least one air injection inlet port positioned to induce a first stage vortex in the main body portion of the housing of the precombustion chamber. Further, the precombustion chamber can be interfaced with a main combustion chamber to induce a second stage vortex within the main combustion chamber. The main combustion chamber can have an extended axial length in order to accommodate heavier fuels that require additional time to sufficiently combust (oxidize) within the combustion chamber. | 11-11-2010 |
20110171588 | OPTIMISED METHOD AND DEVICE LOOP COMBUSTION ON LIQUID HYDROCARBON FEEDSTOCK - The invention relates to a device and to an improved method for chemical looping combustion of at least one liquid hydrocarbon feed, comprising: mixing the liquid feed with an atomization gas so as to feed it into a metal oxide transport zone ( | 07-14-2011 |
20110207060 | FLUIDIZED BED WITHOUT A DISTRIBUTOR - A fluidized chamber with a coarse layer of refractory particles and a fine layer of refractory particles along with a fluidizing gas inlet connected to a fluidizing gas supply. The fluidizing bed does not have a distributor and fluidizing gas is passed through the fluidized bed at a flow rate to fluidize the fine layer particles but not to fluidize the coarse layer. Preferably, the fluidized bed is a heat treating furnace, the fluidizing gas is combustible and objects to be heat treated are fed through the fluidizing chamber on a continuous basis. A method of operating a fluidized bed is also provided. | 08-25-2011 |
20110250550 | METHOD AND DEVICE FOR BIOMASS COMBUSTION WITHOUT CARBON DIOXIDE EMISSION - The invention relates to a device and a method for biomass combustion and simultaneous CO | 10-13-2011 |
20120040295 | METHOD AND AN APPARATUS FOR PRODUCING CARBON DIOXIDE AND THERMAL ENERGY - A method and apparatus for producing very pure carbon dioxide containing gas and thermal energy and the use of such apparatus and method are described. The production apparatus (PA) includes at least one catalytic combustion unit ( | 02-16-2012 |
20120214106 | CHEMICAL LOOPING COMBUSTION - A chemical looping combustion process for producing heat or steam or both from a hydrocarbon fuel. A metal oxide oxygen carrier is reduced from an initial oxidation state in a first reduction reaction with a hydrocarbon fuel to provide CO | 08-23-2012 |
20120237883 | Method of and Arrangement for Feeding Fuel Into a Circulating Fluidized Bed Boiler - A method of feeding at least one of light, fine, volatile and moist fuel into a furnace of a circulating fluidized bed boiler. Fuel is introduced into the furnace and is combusted in the presence of a fluidized bed material to form flue gases. The fluidized bed material is circulated both inside the furnace in an internal circulation in which bed material returns along walls of the furnace down to the bottom of the furnace, and outside the furnace in an external circulation that includes at least a solids separator arranged in flow communication with the furnace. Bed material is separated from the flue gases in the separator. The flue gases are removed from the separator for further treatment. The separated bed material is returned to the furnace. Circulating bed material from at least the internal circulation flowing down along the furnace walls to a return flow is collected, and the return flow is introduced in a consolidated form into communication with the fuel being introduced in the furnace, so that the bed material return flow and the fuel flow are mixed together and flow downwards in the furnace. This increases the residence time of the fuel in the furnace. | 09-20-2012 |
20120251959 | Method of and Arrangement for Feeding Fuel Into a Circulating Fluidized Bed Boiler - A method of feeding at least one of light, fine and moist fuel into a furnace of a circulating fluidized bed boiler. Fuel is fed into the furnace through a fuel feed and the fuel is combusted in a turbulent, circulating fluidized bed. A fuel feed area is isolated from the turbulent circulating bed by arranging the fuel feed along at least one channel arranged in a wall of the furnace. Solids of the circulating bed material are introduced onto a first grid section at the bottom of the fuel feed area. The fuel and the solids are mixed and fluidized above the grid section to form a fuel-solids mixture that flows laterally onto a second grid section and a third grid section where the mixture is fluidized. The fluidized bed material is circulated both inside and outside of the furnace. The bed material is separated from the flue gases and returned to the furnace. | 10-04-2012 |
20130071795 | AUTOMATIC FUELING OF LIQUID FUEL BURNERS - A fire display assembly has a burner tray optionally located within a hollow space in the interior of a non-flammable structure. A porous element on or in the non-flammable structure has extensions from a lower surface thereof extending into fuel in the burner tray. The assembly can include a fuel tray connected to the burner tray by conduits which provide flow channels for liquid fuel between the trays. When a container of liquid fuel is placed in the fuel tray the fuel is dispensed and flows into the burner tray. Fuel in the tray is transmitted to the outer surface of the porous element. Flammable vapors from the liquid fuel at the outer surface are then ignited. The arrangement provides a continuous feed of fuel to the surface of the non-flammable structure and allows safe replenishment of the fuel in the burner while the flame is present. | 03-21-2013 |
20130143167 | FLUIDIZED BED REACTOR SYSTEM - A fluidized-bed reactor system with at least two fluidized-bed reactors, each being a circulating fluidized bed, a particle line with a particle separator for transferring fluidized-bed particles from the first to the second reactor, and a particle line exiting at the lower half of the second reactor for transferring fluidized-bed particles back to the first reactor, wherein, at least in the second reactor, two or more reaction zones separated by one or more flow controllers and that the particle line opens into the second reactor above at least one flow controller. | 06-06-2013 |
20130149650 | CHEMICAL LOOPING COMBUSTION METHOD WITH A REACTION ZONE INCLUDING A GAS-SOLID SEPARATION ZONE AND PLANT USING SAME - The object of the invention is a combustion method for a solid feed using a chemical loop wherein an oxygen-carrying material circulates, said method comprising at least:
| 06-13-2013 |
20130316292 | Regenerable MgO Promoted Metal Oxide Oxygen Carriers for Chemical Looping Combustion - The disclosure provides an oxygen carrier comprised of a plurality of metal oxide particles in contact with a plurality of MgO promoter particles. The MgO promoter particles increase the reaction rate and oxygen utilization of the metal oxide when contacting with a gaseous hydrocarbon at a temperature greater than about 725° C. The promoted oxide solid is generally comprised of less than about 25 wt. % MgO, and may be prepared by physical mixing, incipient wetness impregnation, or other methods known in the art. The oxygen carrier exhibits a crystalline structure of the metal oxide and a crystalline structure of MgO under XRD crystallography, and retains these crystalline structures over subsequent redox cycles. In an embodiment, the metal oxide is Fe | 11-28-2013 |
20130323654 | METHOD TO ENHANCE OPERATION OF CIRCULATING MASS REACTOR AND METHOD TO CARRY OUT SUCH REACTOR - The object of the invention is a method for enhancing the operation of a circulating mass reactor ( | 12-05-2013 |
20140017618 | DUAL-PRESSURE FIXED BED CHEMICAL LOOPING PROCESS FOR ENHANCED OIL RECOVERY - Methods and systems are provided for enhancing heavy oil recovery using fixed-bed chemical looping combustion processes that incorporate carbon dioxide capture and/or sequestration. A fixed-bed chemical looping combustion process is provided for generating heat and carbon dioxide. The heat thus generated may be employed in thermal recovery techniques such as SAGD to enhance recovery of heavy oils. Additionally or alternatively, the carbon dioxide produced by the process may be sequestered, captured, employed as a tertiary recovery technique, or any combination thereof. Advantages of certain embodiments include one or more of the following advantages: lower cost, relatively high conversion rates, and high theoretical efficiency of carbon dioxide capture. | 01-16-2014 |
20140065559 | PRESSURIZED OXY-COMBUSTION POWER BOILER AND POWER PLANT AND METHOD OF OPERATING THE SAME - A pressurized oxy-combustion circulating fluidized bed power plant having a circulating fluidized bed boiler is provided. A combustion chamber of the boiler is in fluid communication with a separator and configured so that solids produced during combustion enter the separator. The power plant further includes an air separation unit that is in fluid communication with the combustion chamber. The air separation unit is configured to supply substantially pure oxygen to the combustion chamber at a pressure greater than 1 bar. An external heat exchanger is in fluid communication with the separator and in fluid communication with the combustion chamber. The external heat exchanger is configured so that a portion of the solids received in the separator pass through the external heat exchanger and transfer heat to a working fluid, after which the solids are returned to the combustion chamber to moderate or control the temperature in the combustion chamber. | 03-06-2014 |
20140154634 | STAGED CHEMICAL LOOPING PROCESS WITH INTEGRATED OXYGEN GENERATION - Disclosed is a method for enhanced fuel combustion to maximize the capture of by-product carbon dioxide. According to various embodiments of the invention, a method for combusting fuel in a two-stage process is provided, which includes in-situ oxygen generation. In-situ oxygen generation allows for the operation of a second oxidation stage to further combust fuel, thus maximizing fuel conversion efficiency. The integrated oxygen generation also provides an increased secondary reactor temperature, thereby improving the overall thermal efficiency of the process. The means of in-situ oxygen is not restricted to one particular embodiment, and can occur using an oxygen generation reactor, an ion transport membrane, or both. A system configured to the second stage combustion method is also disclosed. | 06-05-2014 |
20140212822 | HEATER WITH REPLACEABLE CARTRIDGE - A catalytic tank heater includes a removably attached catalytic heater cartridge having catalytic material. The heater is attached to an LPG tank to position the catalytic heater cartridge to face the tank. The catalytic heater cartridge covers a plenum chamber of the catalytic tank heater. A fuel distribution header and heating element are positioned within the plenum chamber and are controlled to initiate combustion of the catalytic material to heat the tank. Vapor from the tank is provided as fuel to the catalytic tank heater, and is regulated to increase heat output as tank pressure drops. The catalytic heater cartridge can be replaced with a new cartridge while at the location of the tank on a property. | 07-31-2014 |
20140295358 | METHOD AND APPARATUS FOR BURNING HYDROCARBONS AND OTHER LIQUIDS AND GASES - A method and apparatus for burning hydrocarbons or other combustible liquids and gases, the apparatus (APP) has been provided with at least one inlet for a liquid and/or gaseous fuel (FUE) and air (AIR) and at least one outlet (EXHG) for gases for removing the gases (EXHG) generated in the apparatus (APP), at least one measurement and adjustment unit (C) for adjusting the amount of fuel (FUE) and air (AIR), at least one pre-combustion zone (Cz | 10-02-2014 |
20140295359 | CHEMICAL-LOOPING COMBUSTION METHOD WITH ASHES AND FINES REMOVAL IN THE REDUCTION ZONE AND PLANT USING SAME - The invention relates to an improved method for chemical-looping combustion of a solid hydrocarbon-containing feed using a particular configuration of the reduction zone with: a first reaction zone R1 operating under dense fluidized bed conditions; a second reaction zone R2; a fast separation zone S3 for separation of the unburnt solid feed particles, of fly ashes and of the oxygen-carrying material particles within a mixture coming from zone R2; fumes dedusting S4; a particle stream division zone D7, part of the particles being directly recycled to first reaction zone R1, the other part being sent to an elutriation separation zone S5 in order to collect the ashes through a line | 10-02-2014 |
20140302444 | CHEMICAL-LOOPING COMBUSTION METHOD WITH ASHES AND FINES REMOVAL AT THE OXIDATION ZONE OUTLET AND PLANT USING SAME - The invention relates to a method for chemical-looping combustion of a solid hydrocarbon-containing feedstock, wherein the ashes and fines are removed at the outlet of reactive oxidation zone R | 10-09-2014 |
20140335461 | CHEMICAL-LOOPING COMBUSTION METHOD WITH DILUTE PHASE REMOVAL OF ASHES AND FINES IN THE OXIDATIONZONE AND PLANT USING SAME - The invention relates to a method for chemical-looping combustion of a hydrocarbon-containing feedstock, comprising:
| 11-13-2014 |
20150064631 | HIGH TEMPERATURE COMBUSTION CATALYST - A supported precious metal catalyst for the high-temperature combustion of a hydrocarbon includes 1-10% by weight in total of one or more precious metals on a refractory metal oxide support material, and 1-20% by weight in total of one or more stabilizing metals selected from rare earths and Groups IA, IIA, and IIIA of the periodic table of the elements, wherein at least part of the precious metal is present as a mixed metal oxide with one or more of the stabilizing metals. | 03-05-2015 |
20150079525 | Method and Device for Using Oxygen in the Steam Reforming of Biomass - A device is presented and described for the use of oxygen for the thermochemical gasification of biomass in at least one fluidised bed reactor, a heater being arranged in the fluidised bed of the fluidised bed reactor and the fluidised bed reactor being heatable by at least partial oxidation of a combustible gas with oxygen. | 03-19-2015 |
20150292734 | PYROLYSIS-COMBUSTION DUAL-BED SYSTEM FOR ELIMINATING CONTAMINATION CAUSED BY COMBUSTION OF HIGH-SODIUM COAL - A pyrolysis-combustion dual-bed system Comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with an upper lateral side of the fluidized bed, the outlet end of the cyclone separator is connected with the inlet end of the coal ash distributor; the two outlets of the lower pyrolysis bed are respectively connected with the inlet of an external bed and the inlet of the cleaner; the outlet of the external bed is connected with the inlet of the return feeder; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet of the lower lateral side of the fluidized bed. | 10-15-2015 |
20150330622 | FLUIDIZED BED BOILER AND METHOD FOR ENHANCING FURNACE EFFICIENCY OF THE SAME - A method for enhancing furnace efficiency of a fluidized bed boiler is provided. The fluidized bed boiler includes a boiler body for carrying out fuel combustion in a fluidized bed thereof; a fluidized gas inlet for inputting an oxygen-containing fluidized gas into the boiler body to fluidize a boiler bed and facilitate the fuel combustion; a steam outlet for outputting a steam resulting from the fuel combustion from the boiler body; and a flue-gas exhaust for emitting a flue gas resulting from the fuel combustion from the boiler body. The method includes steps of: detecting an oxygen concentration of the flue gas; feeding a portion of the flue gas back to the fluidized gas inlet; and dynamically adjusting a flow rate of the feeding fluidized gas according to oxygen concentrations of the flue gas and the feeding fluidized gas to achieve automatic control of the fluidized bed boiler. | 11-19-2015 |
20150330625 | POROUS FLAME HOLDER FOR LOW NOx COMBUSTION - A burner includes a porous flame holder configured to support a combustion reaction to achieve a very low output of oxides of nitrogen (NOx). | 11-19-2015 |
20160061442 | METHOD AND DEVICE FOR CHEMICAL LOOP COMBUSTION OF LIQUID HYDROCARBON FEEDSTOCKS - The invention relates to a method for chemical looping (CLC) oxidation-reduction combustion of liquid hydrocarbon feedstocks carried out in a fluidized bed, wherein liquid hydrocarbon feedstock ( | 03-03-2016 |
20160146456 | METHOD AND PLANT FOR REDOX CHEMICAL LOOPING COMBUSTION OF A SOLID HYDROCARBON FEEDSTOCK - The invention relates to a method and to a device for chemical looping combustion CLC of a solid hydrocarbon feed wherein it is proposed to inject the solid hydrocarbon feed so as to limit any occurrence of sticking of the feed to the walls of the injection device. The solid feed is fed into a conveying zone operating under fluidized bed conditions and opening into a combustion reactor. A fluidization gas is injected into this conveying zone while controlling the flow of gas in such a way that the superficial velocity of the gas in the conveying zone is higher than the terminal velocity of the solid hydrocarbon feed particles and the terminal velocity of solid particles present in the combustion reactor, and while controlling the fluidization gas temperature in such a way that the temperature in the conveying zone is less than or equal to 500° C. | 05-26-2016 |
20160195265 | SEALPOT AND METHOD FOR CONTROLLING A SOLIDS FLOW RATE THERETHROUGH | 07-07-2016 |