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| Number | Title | Issue Date |
| 6962681 | Methods and systems for reducing or eliminating the production of pollutants during combustion of carbon-containing fuels Systems and apparatus for increasing combustion efficiency during combustion of a carbon-containing fuel such as a fossil fuel. The systems and apparatus utilize catalytically reactive particles within a reaction chamber, typically silica or alumina, that interact w... | 11/08/2005 |
| 6892654 | Coal gasification feed injector shield with oxidation-resistant insert A coal gasification feed injector is disclosed having an oxidation-resistant insert which prevents oxidative corrosion of the shield, and the subsequent damage to the underlying face of the feed injector. The life of the feed injector, and thus the length of a singl... | 05/17/2005 |
| 6659024 | Powdery fuel combustion apparatus A powdery fuel combustion apparatus disposed on furnace side plane (7) of vertical square body type furnace in which a vertical plane passing through a fuel jetting directional axis (8) does not cross the furnace side plane orthogonally, and thus the work... | 12/09/2003 |
| 6422160 | Apparatus for the combustion of vanadium-containing fuels Apparatus for the combustion of vanadium-containing fuels that makes use of the extremely high reactivity of the vanadium-containing fuels for combustion in a dust furnace. To avoid disadvantageous slag caking in a combustion area and in particular in the... | 07/23/2002 |
| 6360677 | Injector for a burner and corresponding injection system An injector for a burner is provided in which assemblies for injecting the main and auxiliary fuels and the oxidizer are arranged radially, one around the other, about a longitudinal axis. The injector has a main-fuel outlet, an oxidizer outlet, and an au... | 03/26/2002 |
| 6244200 | Low NOx pulverized solid fuel combustion process and apparatus A method and apparatus for low-NOx combustion of a pulverized solid fuel in which combustion products from a partial oxidation combustor are mixed with a pulverized solid fuel, thereby preheating the pulverized solid fuel and resulting in devol... | 06/12/2001 |
| 5964166 | Pulverized coal injection nozzle A nozzle for the injection of solid fuel in dust form into a combustion chamber, to be installed in correspondence with the outlet of a burner coaxially to the longitudinal axis of the burner, comprising a stationary annular part divided into coal ducts o... | 10/12/1999 |
| 5960724 | Method for effecting control over a radially stratified flame core burner A method for effecting control over a radially stratified flame core burner that is particularly suited for employment in a firing system of a fossil fuel-fired furnace for purposes of reducing the NOX emissions from the fossil fuel-fired furna... | 10/05/1999 |
| 5927216 | Burner apparatus A burner apparatus uses fuel derived from waste resin. The burner includes a cylindrical body in combination with an oxygen supplier, which form an oxygen deficient atmosphere. While rotating the cylindrical body, a small portion of waste resin is partial... | 07/27/1999 |
| 5878676 | Burner and furnace operated with at least one burner A burner is provided for a furnace having at least one windbox that is supplied with air for combustion and has extending therethrough at least one such burner, which opens out toward the combustion chamber. The burner has at least one primary air channel... | 03/09/1999 |
| 5857419 | Converging burner tip A burner tip having a converging portion with a multiplicity of ports. The ports are sized and positioned so that a substantially constant ratio is maintained between any selected cross-sectional flow area within the converging portion and the sum of the ... | 01/12/1999 |
| 5829369 | Pulverized coal burner A burner having lower emissions and lower unburned fuel losses by implementing a transition zone in a low NOx burner. The improved burner includes a pulverized fuel transport nozzle surrounded by the transition zone which shields the central ox... | 11/03/1998 |
| 5765488 | Cyclone furnace combustion system and method utilizing a coal burner A cyclone furnace combustion system and method in which a burner is mounted relative to a cyclone furnace for discharging a relatively fine particulate fuel in an axial direction into the furnace. Relatively coarse particulate fuel is discharged into the ... | 06/16/1998 |
| 5758587 | Process and device for suppression of flame and pressure pulsations in a furnace A process and apparatus are provided for suppressing flame and pressure pulsations in a furnace which has a burner for generating a flame and a combustion chamber into which the flame is directed. Usually, pressure pulsations can occur in such furnaces, w... | 06/02/1998 |
| 5755165 | Coal firing device An improvement of a coal firing device applied to coal gasifiers, boilers for power generation, etc. On the inner walls of a ceiling portion (4) of a firing furnace (3) and of a throat portion (2) thereabove, and of a diffuser portion (6) further thereabo... | 05/26/1998 |
| 5746143 | Combustion system for a coal-fired furnace having an air nozzle for discharging air along the inner surface of a furnace wall A combustion system in which a coal/primary air mixture is discharged from burners located in the corners of the furnace towards an imaginary circle disposed in the center of the furnace. Air is discharged from air nozzles also located in the corners of t... | 05/05/1998 |
| 5738021 | Adjustable sleeve damper assembly for a coal-fired furnace An air damper assembly for a coal-fired furnace in which a damper sleeve extends between two spaced walls adjacent the furnace in a manner to define an air inlet. A threaded support member is connected to the damper, and a threaded shaft is in threaded en... | 04/14/1998 |
| 5735681 | Ultralean low swirl burner A novel burner and burner method has been invented which burns an ultra lean premixed fuel-air mixture with a stable flame. The inventive burning method results in efficient burning and much lower emissions of pollutants such as oxides of nitrogen than pr... | 04/07/1998 |
| 5699746 | Method and apparatus for feeding air into a furnace Combustion gas is fed to a furnace, preferably a recovery boiler for combusting black liquor from cellulose pulp processing, through a gas nozzle disposed in association with a wall of the furnace. The nozzle has a longitudinal axis of elongation, an exte... | 12/23/1997 |
| 5593301 | Apparatus and method for burning energetic material An apparatus and method for burning combustible material are provided. The apparatus has a combustion chamber with an intake and an exhaust end, a means for injecting combustible material into the intake end of the chamber, a means for igniting the combus... | 01/14/1997 |
| 5560305 | Burner block and method for furnace A burner block for mounting a burner within a furnace containing a melt to be heated by the burner. The burner block comprises a body having a passageway terminating in a divergent opening. The passageway is configured to receive the burner so that the bu... | 10/01/1996 |
| 5544598 | System for injecting slurry to be incinerated into an incineration furnace, corresponding operating procedure, use and furnace System for injecting slurry to be incinerated into an incineration furnace, the furnace having an incineration hearth onto which the household waste is tipped in order to be incinerated, and including a device for injecting the slurry to be incinerated in... | 08/13/1996 |
| 5531169 | Treatment of liquid waste material Liquid waste material, particularly material containing sulfuric acid, may be combusted using an oxygen-rich material by a process in which: (i) a primary oxidant and fuel issuing from a burner are combusted in a furnace, the proportion of primary oxidant to f... | 07/02/1996 |
| 5515794 | Partial oxidation process burner with recessed tip and gas blasting An improved burner for partial oxidation process gas generators is provided which has annular passages formed between coaxially aligned conduits extending from upstream sources to the downstream reaction zone. An outer coolant jacket, internally baffled f... | 05/14/1996 |
| 5483906 | Relating to solid fuel burners A solid particulate fuel/air burner has opposing fluted members within a rectangular conduit which in operation forms a nozzle. Splitter plates with the fluted members define passages through which a particulate solid fuel and air flow to a combustion cha... | 01/16/1996 |
| 5368825 | Apparatus for the flame preparation of ceramic powders A novel process and apparatus for continuously producing very fine, ultrapure ceramic powders from ceramic precursor reactants in a self-sustaining reaction system in the form of a stabilized flame thereof to form ceramic particles and wherein the thus fo... | 11/29/1994 |
| 5347936 | Method and a device for preheating a fluidized bed A method and a device for preheating a particulate fluidized bed which is supplied with air for fluidization of bed material and for combustion of main fuel through gas paths that include fluidization members for injection and distribution of the air over... | 09/20/1994 |
| 5048433 | Radiation enhancement in oil/coal boilers converted to natural gas A coal-gas fuel composition, for use in furnaces and boilers which have been converted from oil or coal to natural gas, an apparatus and a method for burning said composition are disclosed. Conversions of oil or coal designed boilers to natural gas for en... | 09/17/1991 |
| 5042404 | Method of retaining sulfur in ash during coal combustion An improved method for burning carbonaceous material containing sulfur to reduce emissions of SO2 is disclosed wherein the carbonaceous material is projected into a furnace as one or more streams and each stream is continuously ignited with a v... | 08/27/1991 |
| 5008098 | Method of combustion neutralization of liquid waste products The present invention relates to neutralization of liquid waste products containing different organohalides. A method of combustion neutralization of liquid waste products resides in that a mixture of the liquid waste products with an alkali reagent is pr... | 04/16/1991 |
| 4951581 | Combined oil gun and coal guide for power plant boilers In a power plant boiler having oil and coal burning capability, a coal disperser support tube and an oil gun extending through the disperser support tube are slidable in a bearing sleeve extending through a removable access plate in the wall of an elbow o... | 08/28/1990 |
| 4932337 | Method to improve the performance of low-NOx burners operating on difficult to stabilize coals A method is disclosed which overcomes the problems which tend to occur in application low-NOx burners to coals in which the volatile matter is low in heat content. A gaseous or volatile liquid fuel is introduced into the ignition zone and/or the primary f... | 06/12/1990 |
| 4899670 | Means for providing oxygen enrichment for slurry and liquid fuel burners A fuel or coal-water slurry burner with oxygen supply to the primary air through the vanes of a diffuser plate that swirls primary air is described.... | 02/13/1990 |
| 4803932 | Burner for a suspension of fine-grained coal in liquid Burner for a suspension of fine-grained coal in a liquid, particularly water, which burner operates according to a combination of the rotary burner and toroidal burner principles. The fuel is supplied axially behind a transverse distribution baffle within... | 02/14/1989 |
| 4734960 | Equipment for direct fuel firing There is described a method for direct fuel firing, particularly for plants such as hot water generators, etc., operating with a burner, a combustion chamber and a high-temperature exchanger, which comprises using a moist solid fuel, crushing said fuel up... | 04/05/1988 |
| 4662839 | Combustion apparatus and method of forcibly circulating a heating medium in a combustion apparatus In a combustion apparatus, gas for combustion is fed in a combustion chamber receiving a heating medium such as sand to continuously blow the heating medium upwardly to thereby circulate the heating medium in the combustion chamber.... | 05/05/1987 |
| 4662351 | Stove for combusting both liquid and solid fuels A stove for combusting both liquid and solid fuels, said stove comprising: a burner area in which the burner for liquid fuel is located, a collecting area for combustion gas above said burner area and connected therewith; a discharge conduit for the combu... | 05/05/1987 |
| 4657505 | Different fuels combustion burner A different fuels combustion burner for simultaneously burning a liquid fuel and a solid fuel in which the solid- and liquid-fuel injections are separated in the circumferential direction so that the interference between the injected solid and liquid fuel... | 04/14/1987 |
| 4545309 | Furnace for burning flammable particles There is disclosed a furnace for burning wooden wastes and, more specifically, sawdust and/or barks. The furnace is provided with an oil burner required for starting the fire. The draught from the oil burner fan is directed within a perforated box, locate... | 10/08/1985 |
| 4538530 | Burner for the suspension firing of comminuted material This invention is directed to the suspension firing of a comminuted combustible material and the supporting structure for such suspension firing. The combustible material is introduced to a burner head which results in the combustible material expanding i... | 09/03/1985 |
