Class / Patent application number | Description | Number of patent applications / Date published |
110263000 | UTILIZING POWDERED FUEL | 40 |
20080276845 | Compact pulverized coal burner - Disclosed is a burner for oxidant gasification of pulverized fuels under high pressures, e.g. 80 bar, and temperatures, e.g. 1200 to 1900° C., in reactors with liquid slag removal for oxygen gasification. The individual pulverized coal supply tubes in the burner are inclined toward the burner axis in the direction of the burner mouth, are implemented equiareally from the burner inlet up to the burner outlet, and end at the burner mouth adjacent to the oxidant outlet. Owing to the pulverized fuel feeding elements being implemented right up to the burner mouth and the instantaneous entry of the pulverized coal into the rotating oxygen stream there is no longer any areal discontinuity at the dust outlet, since here the pulverized coal stream is immediately sucked into the oxidant stream. At the outlet of the media the individual pulverized coal streams merge into a single rotating pulverized coal/oxygen stream, thereby achieving an even flame spread and stabilization. | 11-13-2008 |
20090038518 | PLASMA IGNITION BURNER - A plasma ignition burner. The plasma ignition burner has at least two stages of burner barrels and a plasma generator for igniting the pulverized coal in a first stage burner barrel of the at least two stages of burner barrels. The burning flame of the former stage burner barrel ignites the pulverized coal in the next stage burner barrel, or further burns with the supplemented air in the next stage burner barrel. The axial direction of said plasma generator is parallel to the direction along which the pulverized-coal-contained air flow enters into the first stage burner barrel and at the same time, parallel to the axis of the burner barrels. | 02-12-2009 |
20090211502 | METHOD AND SYSTEM FOR LINING A COAL BURNER NOZZLE - A method and liner system for a pneumatically conveyed particulate conduit are provided. The conduit includes an inlet opening, an outlet opening, and a duct extending therebetween. The system includes a first polygonally-shaped wall member extending from an inlet opening end of the conduit to an opposing outlet opening end of the conduit. The first wall member includes a substantially planar body. The liner system further includes a second polygonally-shaped wall member extending from the inlet opening end of the conduit to the opposing outlet opening end of the conduit. The second wall member includes a substantially planar body having an integrally formed anti-roping bar that extends outwardly from a surface of the second wall member a predetermined height into a flow path through the duct. The liner system further includes a curved polygonally-shaped corner member extending from the inlet opening end of the conduit to the opposing outlet opening end of the conduit. | 08-27-2009 |
20090277364 | LOW NOx NOZZLE TIP FOR A PULVERIZED SOLID FUEL FURNACE - A nozzle tip [ | 11-12-2009 |
20100064952 | Method and Means for Using Commom Dusts as Fuel for and Engine - A combustion device, relying on the Newtonian principle of equal and opposite reaction to create rotational output, using dust/air mixtures for creating explosions within the burn chambers, creating distilled water and sodium carbonate as byproducts, and using washable rotating screens and liquid scrubbers to purify exhaust, and centrifuges in turn to purify and recirculate the scrubbing means | 03-18-2010 |
20100083884 | Method and burner for burning solid fuels - The present invention relates to a burner and to a method for burning solid fuels, which comprises a tube for the supply of a flow of solid fuel; a first chamber that has an inlet and an outlet, the inlet of said chamber being connected to said tube for receiving the flow of solid fuel at a first supply rate and for increasing the rate of the supply flow of the solid fuel at the outlet from said first chamber of the burner; and a second chamber connected to the outlet of the first chamber for receiving the faster flow of solid fuel and projecting a flat flame towards a melting chamber of the glass melting furnace, with a high solid-fuel combustion efficiency and low CO and NOx emissions. | 04-08-2010 |
20100132597 | Method and System for Lining a Coal Burner Nozzle - A method and liner system for a pneumatically conveyed particulate conduit are provided. The conduit includes an inlet opening, an outlet opening, and a duct extending therebetween. The system includes a first polygonally-shaped wall member extending from an inlet opening end of the conduit to an opposing outlet opening end of the conduit. The first wall member includes a substantially planar body. The liner system further includes a second polygonally-shaped wall member extending from the inlet opening end of the conduit to the opposing outlet opening end of the conduit. The second wall member includes a substantially planar body having an integrally formed anti-roping bar that extends outwardly from a surface of the second wall member a predetermined height into a flow path through the duct. The liner system further includes a curved polygonally-shaped corner member extending from the inlet opening end of the conduit to the opposing outlet opening end of the conduit. | 06-03-2010 |
20100242813 | PARTICLE SEPARATOR AND SOLID FUEL BURNER - A particle separator capable of enhancing the collection efficiency while minimizing an augmentation of auxiliary machinery power and an increase of the device size is provided. A particle separator that separates powder being transported on an air flow in a state of a solid-gas two-phase flow from the air flow and collects the powder is provided with a drift generating portion provided in the vicinity of a main body connecting portion of a solid and gas supply tube for letting the solid-gas two-phase flow stream inside a separator main body from the circumferential direction and configured to concentrate a high powder particle concentration of the solid-gas two-phase flow on the outer peripheral side of the separator main body. | 09-30-2010 |
20100300335 | AC Plasma Ejection Gun, the Method for Supplying Power to it and Pulverized Coal Burner - An AC plasma ejection gun, the method for supplying power to the gun and a pulverized coal burner are provided. The ejection gun comprising: a power supply device, having a live wear and a null wear; an electric front electrode, inside of which a front chamber is set, a nozzle connected with said front chamber is set at the outlet of the front electrode, an air inlet pipe connected with said front chamber is set at the inlet of the front electrode, and the front electrode is connected with said null wire; an electric rear electrode, connected with the inlet of said front electrode by an insulated ring, there is a gap between the electric rear electrode and said front electrode, said rear electrode is connected with the live wire, a spinning air inlet ring is set at the outside of the gap between said front electrode and said rear electrode, compressed air from the air inlet pipe passes the spinning air inlet ring and enters into the front chamber; wherein, the arc between said front electrode and said rear electrode discharges, ionizing the compressed air into plasma in the gap between said front electrode and said rear electrode, and the plasma is ejected out of the nozzle from the front chamber. The ejection gun in present invention can work with small current and large power, so that the life of the plasma ejection gun is prolonged. | 12-02-2010 |
20110048294 | Particulate Deflagration Enhanced Firebox - A particulate deflagration enhanced firebox for burning particulate fuel either alone or in combination with other fuels and the associated method. The firebox may be employed in association with a power plant where the heat from the firebox is used to generate electricity. Fine fuel particles are fed to a mixing drum or box by a pre-measured auger system where the fuel is mixed with dried, compressed combustion air in a desire fuel to air ratio. The fuel mixture enters the combustion firebox or boiler either alone or in association with other fuels where it is ignited. The hot combustion gases leave the firebox and are vented through the firebox's normal route which generally includes passing through a precipitator for remove particulates before exiting to atmosphere via a chimney stack. | 03-03-2011 |
20110232547 | INJECTION SYSTEM FOR SOLID PARTICLES - An injection system for solid particles comprises a conveying hopper ( | 09-29-2011 |
20120006238 | PULVERIZED COAL CONCENTRATOR AND PULVERIZED COAL BURNER INCLUDING THE CONCENTRATOR - A pulverized coal concentrator for a pulverized coal burner, the concentrator is fixedly arranged inside the pulverized coal burner and comprises a front part ( | 01-12-2012 |
20120222592 | METHOD OF MANUFACTURING A BURNER FRONT FACE - The invention relates to a method of manufacturing a front face ( | 09-06-2012 |
20120304903 | OPTICAL FLAME SENSOR - Exemplary embodiments relates to an optical measurement that determines the temperature in a flame and determines the particle size of the fuel present in the flame. The optical measurement device includes a color camera that measures light information in the flame and outputs measurement results and an evaluation unit that evaluates the measurement results. Further, a coal burning power plant is provided with a multitude of burners that burn milled coal each in a flame and a multitude of optical measurement devices described. | 12-06-2012 |
20130145973 | FUEL DISTRIBUTION DEVICE AND A BURNER - The present invention provide a fuel distribution device ( | 06-13-2013 |
20130340659 | COMBUSTION DEVICE - In a boiler having plurality of burners arranged on a furnace wall of a furnace, each burner includes a cylindrical fuel nozzle for injecting a mixture of fuel and carrier gas therefor into the furnace; one or more cylindrical air nozzles provided on the outer circumference of the nozzle for injecting combustion air into the furnace, and a wind box for supplying combustion air to the nozzles in common. The wind box is provided with openings through which combustion air flows in from one direction perpendicular to the axial direction of the burner, and is partitioned by a partition wall to form plurality of parallel flow paths for the air flowing in through the openings. Some of the plurality of flow paths are connected to an upper part of the combustion air nozzle, and the other flow paths are connected to a lower part of the nozzle. | 12-26-2013 |
20150013576 | COKE TREATMENT PROCESS AND SYSTEM TO MINIMIZE NOX EMISSIONS AND MINIMIZE CATALYST VOLUME - A method and a process to treat coke generated from a process application. The method includes the steps of recovering a mixture of coke particles and water or steam removed from at least one process application vessel. The mixture is directed to a cyclonic separator utilizing centrifugal force and gravity. Water is separated from the mixture in the cyclonic separator. Coke particles are separated from the mixture in the cyclonic separator and are directed to a thermal oxidizer. Coke particles are oxidized and gasified in the thermal oxidizer to produce gas and reduced particulate matter. The gas and reduced particulate matter are thereafter directed to a burner in the process application vessel. | 01-15-2015 |
20160169507 | SOLID FUEL NOZZLE TIPS | 06-16-2016 |
20160169511 | PULVERIZED FUEL-OXYGEN BURNER | 06-16-2016 |
110264000 | Having rotary flow means | 7 |
20090000532 | Pulverized coal burner for firing fuel which is fed by dense phase conveyance - With a burner, especially pulverized coal burner, with a fuel conveying tube and a primary air tube which is concentrically arranged within it, wherein the primary air tube on the mouth discharge side terminates at a distance to the mouth opening of the fuel conveying tube, and the burner is connected, or can be connected, to a feed line which conveys pulverous fuel in dense phase, a solution is to be created which enables a low-NO | 01-01-2009 |
20100018445 | Low Nox Swirl Coal Combustion Burner - A burner includes a primary air-coal mixture duct coaxially extended through a secondary air wind box, a pulverized coal separator supported within the primary air-coal mixture duct, a secondary air duct including an inner secondary air duct and an outer secondary air duct coaxially formed around the primary air-coal mixture duct, a primary air-coal mixture conical outlet coupled with the outlet of the primary air-coal mixture duct, and inner secondary air and outer conical outlets coupled with the outlets of the inner secondary air and outer secondary air ducts respectively. The conical outlets are arranged to delay the mixing time of the primary air-coal mixture and secondary air flows through the primary air-coal mixture and secondary air ducts and to prolong the residence time in the center recirculation zone under the reduction ability so as to effectively reduce the formation of NOx. | 01-28-2010 |
20120272875 | Burner for Particulate Fuel - Disclosed is a burner for particulate fuel, in particular made of biomass, with a primary tube and a core tube arranged in the primary tube. The primary tube and the core tube form a primary tube gap and the primary tube gap is configured to guide a flow of particulate fuel and gaseous combustion means from an inlet-side end to an outlet-side opening of the primary tube. In order to prevent the drawbacks occurring when using coarse-grain particles, preferably biomass, as a fuel for dust firing, or at least to reduce them without having to accept an increased outlay for equipment and/or additional energy losses, at least one device is provided for centring the flow within the primary tube in the region of the outlet-side end of the primary tube. | 11-01-2012 |
20130112120 | Dense Phase Swirl Pulverized Coal Burner - A dense phase swirl pulverized coal burner comprises a primary air channel, a direct flow secondary air channel and a outermost swirl secondary air channel; and multiple levels of pulverized coal concentration rings are arranged axially at intervals along the oil gun casing in a straight tube section of the primary air channel, so that pulverized coal air flow is distributed thickly outside and thinly inside the primary air nozzle. In the invention, dense phase pulverized coal outside the primary air nozzle passes through guide vanes, forms disturbed flow, is ejected into a furnace and mixes with high temperature backflow flue gas rapidly and sufficiently at an outlet. Meanwhile, dilute pulverized coal air flow at the center is ejected into the furnace by direct flow, ensuring subsequent mixing and combustion of pulverized coal flow. The primary air nozzle and the secondary air nozzle are provided with cone flaring structures with certain angle to effectively control appropriate mixing of secondary air and pulverized coal. The invention has advantages of strong ignition and combustion stability, good coal adaptability, low nitric oxide emission, simple primary air channel structure and small resistance, which effectively slows wear rate of parts. | 05-09-2013 |
20130305971 | Burner for Powdered and/or Particulate Fuels with Adjustable Swirl - A burner for powdered and/or particulate fuels having a flow channel for transporting at least one gas stream into a combustion chamber, wherein the flow channel has an annular cross section and a swirl device imparting a swirl to the gas stream in a circumferential direction. The swirl device has at least a first and a second group of deflection means to generate the swirl, that at least the second group of deflection means is attached in a fixed manner to supporting structure that is axially displaceable along the flow channel and/or can be rotated about the longitudinal axis of the flow channel in order to alter the swirl. | 11-21-2013 |
20140373763 | BURNER WITH FLAME STABILIZING/CENTER AIR JET DEVICE FOR LOW QUALITY FUEL - The present disclosure relates to a center air jet burner for burning low quality fuel including an annular pipe having a fuel inlet and a fuel outlet. A core pipe that includes a first opening and an opposite second opening that defines an inner zone, the core pipe extends within the annular pipe defining a first annular zone. A burner elbow is configured to supply a fuel airflow mixture including pulverized coal and primary air to the fuel inlet and the first opening. The first opening of the core pipe is eccentrically aligned relative to the fuel inlet of the annular pipe such that the fuel airflow mixture passing through the burner elbow is divided into an outer fuel rich stream having an increased amount of pulverized coal within the first annular zone and an inner fuel-lean stream having an increased amount of primary air within the inner zone. | 12-25-2014 |
20150128833 | Cyclone Burner - A description is given of a cyclone burner for converting solid fuel comprising a substantially rotationally-symmetric whirling chamber ( | 05-14-2015 |
110265000 | Having secondary air mixing means | 10 |
20100154689 | COAL ROPE DISTRIBUTOR WITH REPLACEABLE WEAR COMPONENTS - A head assembly | 06-24-2010 |
20100269741 | 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 coal. An additional air nozzle for jetting additional air having a velocity component in the circumferential direction of a fuel nozzle is provided in the fuel nozzle, thereby encouraging mixing between the fuel and air in the fuel nozzle. Further, the amount of air supplied from the additional air nozzle is adjusted in response to the difference in combustion loads. Under light load, the amount of air supplied from the additional air nozzle is increased so as to increase the oxygen concentration of the circulating flow formed downstream of the outside of the outlet of the fuel nozzle, whereby stable combustion is ensured. Under heavy load, by contrast, the amount of air supplied from the additional air nozzle is decreased, and a flame is formed away from the fuel nozzle in such a way that burner structures and furnace wall will be less subjected to radiant heat. | 10-28-2010 |
20120247376 | COMBUSTION BURNER AND BOILER INCLUDING THE SAME - A combustion burner | 10-04-2012 |
20130098278 | PULVERIZED COAL BURNER AND PULVERIZED COAL BOILER HAVING IT - A pulverized coal burner and a pulverized coal boiler. The coal burner comprises a primary air cylinder ( | 04-25-2013 |
20130269577 | 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, solid fuel into a flame chamber. Oxygen flowing through the oxygen supply tube passes through oxygen-injection holes formed in the fuel supply tube and then mixes with fluidized, pulverized, solid fuel passing through the fuel supply tube to create an oxygen-fuel mixture in a downstream portion of the fuel supply tube. This mixture is discharged into the flame chamber and ignited in a flame chamber to produce a flame. | 10-17-2013 |
20140076211 | GASIFYING BURNER WITH INERT GAS CURTAIN BETWEEN PILOT BURNER AND POWDER BURNER - A burner is provided for gasifying powdered fuel with a free oxygen-containing oxidant at temperatures up to 1900° C. and pressures up to 10 MPa. The burner includes a powder burner part having an oxidant channel and a powdered fuel channel, and a central pilot burner part. An annular channel for the outflow of an inert medium is arranged at the burner mouth between the pilot burner part and the powder burner part. | 03-20-2014 |
20140290544 | BURNER FOR BURNING A PULVERULENT FUEL FOR A BOILER HAVING A PLASMA IGNITION TORCH - The invention relates to a pulverized coal burner for a steam generator. The pulverized coal burner has a fuel duct, through which pulverized coal is conveyed with the aid of a carrier gas. The pulverized coal emerges together with the carrier gas at a fuel duct outlet. The pulverized coal burner furthermore has at least one core duct and at least one secondary duct. Air or oxygen flows through the core duct and the secondary duct, emerging at the core duct outlet and at the secondary duct outlet. The core duct outlet, the secondary duct outlet and the fuel duct outlet together form a burner outlet. The pulverized coal burner has at least one plasma ignition torch embodied integrally with the pulverized coal burner. The outlet of the at least one plasma ignition torch is arranged in the plane of the burner outlet or offset downstream in relation to the direction of flow of the pulverized coal. The plasma flame produced by the plasma ignition torch is thus located outside the fuel duct. | 10-02-2014 |
20150068437 | DISTRIBUTED COMBUSTION PROCESS AND BURNER - A burner has a fuel/oxidant nozzles and a pair of dynamical lances spaced on either side thereof that inject a jet of fuel and primary oxidant along a fuel injection axis, and jets of secondary oxidant, respectively. Jets of actuating fluid impinge against the jets of secondary oxidant to fluidically angle the jets of secondary oxidant away from the fuel injection axis. The action of the angling away together with staging of the oxidant between primary and secondary oxidant injections allows achievement of distributed combustion conditions. | 03-12-2015 |
20150362181 | COAL ROPE DISTRIBUTOR WITH REPLACEABLE WEAR COMPONENTS - A head assembly for a pulverized coal nozzle includes removeable wear-resistant inserts having vanes. The vanes may be flat or curved to direct a stream of air and pulverized solid fuel particles from the inlet port toward the outlet port. The curved vanes curve in two dimensions to evenly distribute the stream of air and pulverized solid fuel away from the outer surfaces reducing wear and corrosion. The pipe elbow has a removable cover that allows for easy access. The vanes are attached to a wear-resistant replaceable liner thus allowing them to be easily removed and replaced. The wear-resistant liner may be made from several parts for ease of removal and replacement. | 12-17-2015 |
20160010853 | COMBUSTION BURNER AND BOILER INCLUDING THE SAME | 01-14-2016 |
110266000 | With residue handling means (e.g., ash, etc.) | 4 |
20100012005 | CONTOURED FLAT STUD AND STUD ARRANGEMENT FOR CYCLONE SLAG TAPS - A stud and stud arrangement protects the water-cooled tubes of a slag tap outlet from corrosion and erosion by flowing slag and flue gas. The stud is a generally annular or ring-like segment. The stud has a projection terminating in an edge adapted to contact a tube at stud contact area, and has a weld surface for receiving a weld. The weld contacts a tube at a weld contact area and thermally and physically connects the stud to a tube. The weld surface area is greater than the stud contact area, thereby improving heat transfer between the tube and stud. The studs are disposed in an arrangement that is staggered in a direction perpendicular to the flow slag and flue gas. | 01-21-2010 |
20110132241 | SLAG RUNNER ON BURNERS FOR PROTECTION AGAINST DRIPPING SLAG - With a slag runner on burners or burner niches for protection against dripping slag, which occurs during the gasification of fine-particle fuels that contain ash, within a gasifier, reliable protection of the burner exits or the burner niches to prevent them from becoming clogged with slag is supposed to be made available. This is achieved in that the slag runner ( | 06-09-2011 |
20110259251 | WEAR-RESISTANT VALVE FOR TRANSPORTING PARTICULATE MATTER AND METHOD OF MAKING - The present disclosure provides a valve for controlling the flow of abrasive particles along a predetermined path from the outlet of a hopper to a conveying line in a particle collection or transportation system. The design of the valve reduces the occurrence of erosive wear resulting from contact with the flow of abrasive particles. A method of making the valve that enhances the hardness of localized areas in the valve that are subject to high wear conditions is also disclosed. | 10-27-2011 |
20110265696 | SLAG-MELTING BURNER APPARATUS - It is possible to prevent a phenomenon by which the wall temperature of an outer cylinder rises abruptly as a layer of steam covers the inner circumferential surface of the outer cylinder and therefore decreases the heat transfer coefficient thereof, thus preventing a heat damage to the outer cylinder. Also prevented is burnout of the burner resulting from insufficient cooling due to variations in cooling efficiency at a leading end of the burner. A leading end located in a two-stage entrained-flow bed coal gasifier has a double-walled structure including an outer cylinder and an inner cylinder, and cooling water for cooling the leading end is supplied through an interior of the inner cylinder to cool the leading end and is then returned to a base end through a space formed between the outer cylinder and the inner cylinder. The space formed between the outer cylinder and the inner cylinder has a smaller channel area than the interior of the inner cylinder, and a swirling flow along a guide formed on an outer circumferential surface of the inner cylinder and a substantially linear flow in a longitudinal direction of the outer cylinder and the inner cylinder are applied to the cooling water returned to the base end through the space formed between the outer cylinder and the inner cylinder. | 11-03-2011 |