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WO/2005/005885A2 |
An oxygen-fuel combustion system combines oxygen and fuel to produce a flame. The system distributes oxygen to a stream of fluidized, pulverized, solid fuel at various sites before and after ignition. The system is operable to vary the c...
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WO/2004/094910A2 |
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 ...
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WO/2004/092644A1 |
A pulverized fuel combustion apparatus which is provided on a side of a vertical square cylinder-shaped furnace, in which a vertical plane extending on an axis in a direction of fuel injection is not perpendicular to the side of the furn...
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WO/2004/087601A1 |
The invention relates to a method and burner for injecting pulverized coal into a rotary kiln that uses pulverized coal as fuel in order to produce quick lime of excellent hydration level. The invention calcines lime stone charged into t...
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WO/2004/079261A2 |
An apparatus (26) for use in a furnace system to facilitate efficient and complete combustion of coal streams in a carrier gas. The apparatus (26) , capable of being positioned horizontally or vertically in the coal pipes (24, 24-1, 24-2...
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WO/2004/065849A1 |
An improved process for burning solid fuel particles in a combustion chamber and creating a flue gas is disclosed. The method comprises creating a fuel gas stream by mixing the solid fuel particles with a conveying gas, transporting the ...
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WO/2004/065853A2 |
A burner assembly cofires a primary solid fuel and a secondary solid fuel in a combustion zone (65) of a boiler. The burner assembly includes a fuel injector (100) that mixes the primary solid fuel and the secondary solid fuel prior to i...
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WO/2004/055435A1 |
The invention relates to an indirect heating system in which a solid fuel circulates in the form of particles. The inventive system comprises a grinding station, a furnace (7), at least one intermediate silo, a separator, at least one cy...
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WO/2004/025178A1 |
Disclosed is a burner (12) comprising a burner nozzle (14) that is disposed on a front side of a combustion chamber (16), a combustion chamber pipe (18) which encloses the combustion chamber (16), and a combustion chamber front wall (20)...
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WO/2004/008027A2 |
Improved operational characteristics such as improved fuel efficiency, reduction of NOx formation, reduction of the amount of unburned carbon in the ash, and lessened tendency to corrosion at the tube wall, in a multi-burner furnace (1) ...
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WO/2004/008028A2 |
A furnace (1) that combusts fuel, such as coal, of a given minimum energy content to obtain a stated minimum amount of energy per unit of time is enabled to combust fuel having a lower energy content, while still obtaining at least the s...
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WO/2003/100320A1 |
A method of operating a combustion process in a cyclone burner, after start-up thereof, is provided. A fuel and a combustion gas is fed into a combustion chamber of the cyclone burner. The velocity of the combustion gas is kept between a...
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WO/2003/098107A1 |
Gas burner (2) for domestic cooking hobs, comprising first grooves (14) for the flames outlet for heating said cooking vessels, characterized in that said first grooves (14) are interrupted in correspondence with those portions of an ove...
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WO/2003/098024A2 |
Combustion of hydrocarbon liquids and solids is achieved with less formation of NOx by feeding a small amount of oxygen into the fuel stream.
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WO/2003/098105A1 |
Combustion of coal in which oxygen is injected into the coal as it emerges from a burner (9) to produce ash having reduced amounts of carbon.
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WO/2003/089842A1 |
A coal gasification nozzle is disclosed having a barrier, integral with the face of the injector, that fits into a groove of a heat shield attached to the nozzle face. The barrier prevents oxidative corrosion of the shield, and subsequen...
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WO/2003/089549A1 |
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, a...
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WO2002068144B1 |
A contact start plasma torch and method of starting the torch includes a negatively charged cathode body and a positively charged anode body. A conductive element in the torch is constructed of an electrically conductive material and is ...
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WO/2003/073800A2 |
A tip gas distributor (20) is provided that preferably comprises a plurality of swirl holes (62) and a plurality of secondary gas holes (64), wherein the swirl holes (62) direct a plasma gas to generate a plasma stream, and the secondary...
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WO/2003/072294A1 |
A dual mode plasma arc torch (12) is provided that preferably comprises a start cartridge (42) disposed between an electrode (38) and a tip (40). In one form, the start cartridge comprises an initiator that is in electrical contact with ...
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WO/2003/072293A1 |
A contact start plasma arc torch (120) is provided that comprises an electrode, a tip, and an initiator (50) that is resiliently biased into contact with the tip (40), the initiator being movable against the resilient bias to separate fr...
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WO/2003/050449A1 |
A pulverized fuel burner having reduced NOx emissions comprises a first precessing jet nozzle (120) surrounded by a second nozzle. The second nozzle (130) feeds pulverized fuel (140) into a precessing jet of air (122) formed by the first...
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WO/2003/031873A1 |
An ash melting type U−firing combustion boiler, wherein the volume of a combustion furnace (5) is set so that the temperature of the gas passing through a slag screen (4) separating the combustion furnace (5) from a heat storage furnac...
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WO/2003/023280A1 |
Combustion of petroleum coke using air to carry the fuel into a combustion zone and to provide a source of oxidant. Enhanced combution utilizes oxygen introduced into or proximate primary, secondary, tertiary, quaternary, or over-fire ai...
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WO/2003/019079A1 |
The invention relates to a coal-burning boiler's ignition burner, which is composed of a small oil gun and a coal burner that can intensify the burning. The small oil gun consists of a pulverization nozzle, a cyclone, an oil burner, an a...
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WO/2003/004935A1 |
A (MRFC) solid fuel nozzle tip (12) that is particularly suited to being cooperatively associated with a pulverized solid fuel nozzle (34) of a firing system of the type employed in a pulverized solid fuel-fired furnace (10). The MRFC so...
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WO/2002/103241A1 |
A method and system for combustion of fuel in a boiler in which flue gasses are produced. The boiler includes a source of fuel, a source of air, and a controller for controlling the ratio of the source of air and the source of fuel input...
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WO/2002/088597A1 |
The invention relates to an arrangement (1) for the combustion of granular, solid fuel, for example wood-flour pellets, chips and the like, comprising a preferably horizontal combustion chamber (16), a dispensing unit (3) for feeding the...
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WO/2002/079694A1 |
Methods and apparatus for combustion of a hydrocarbon fuel in a combustion chamber of a furnace or boiler are presented, the combustion normally using only air as an oxidant, part of the air entering the combustion chamber through one or...
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WO/2002/076580A2 |
The invention relates to a method and system for feeding and burning a pulverized fuel such as oil coke in a glass foundry oven, which comprises a glass foundry area and a plurality of burners associated with a pair of sealed regenerativ...
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WO/2002/068872A1 |
This invention relates to a plasma igniter for directly igniting the coal-powder furnace. Said plasma igniter consists of a plasma generator which includes a composite anode, an assembled cathode, an electromagnetic coil and a transmitti...
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WO/2002/063212A1 |
A high-temperature burner is provided that is suited for the incineration of shredded plastics, tires, carpet or similar materials. The burner walls (10) are protected from the heat of the ongoing combustion reaction (90) by an annular c...
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WO/2002/057689A1 |
The invention relates to a burner for the combustion of particulate fuel, in particular particulate coal with high levels of inert material, comprising a secondary air tube (3), arranged around a burner longitudinal axis (27) and closed ...
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WO/2002/047793A2 |
A system for removing gas from a stream of a mixture of gas and particulate solids. The system includes a separation vessel having an upstream end portion and a downstream cowl portion, the upstream end portion having an inlet for introd...
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WO/2002/027238A1 |
A burner (10, 210, 310, 410) including a fuel manifold (12, 212, 312, 412), perforated air-mixing plates (14, 16, 214, 218, 414) coupled to the fuel manifold to define a fuel-air mixing region (22, 473) therebetween above the fuel manifo...
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WO/2002/012791A1 |
A burner capable of constantly burning even a low-grade solid fuel such as lignite over a wide range from a high-load condition to a low-load condition. A volume of air supplied from an additional-air hole or an additional-air nozzle (12...
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WO/2001/081825A1 |
A burner nozzle assembly (20) for the production of synthesis gas in a synthesis gas generation chamber (16) has a cooling water jacket (60) face that is protected from hot gas corrosion by an annular shield (76) fabricated from a high m...
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WO/2001/053751A1 |
A direct coal fired burner system (22) for a rotary kiln (20) in which the burner (36) has a multi-barrel construction through which primary air for conveying coal is heated with tertiary air sourced from the rotary kiln (20), and the sh...
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WO/2001/040709A1 |
A furnace (120) of a pulverised coal firing boiler includes a coutant bottom (122) and walls (124) intersecting with the coutant bottom and extending generally verticaly therefrom to enclose and define an interior combustion chamber (126...
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WO/2001/036873A1 |
Method for combusting brown coal in a tangentially fired furnace comprises mixing brown coal fuel with carrier gas and a necessary amount of flue gas from the furnace with the mix of fuel and carrier gas for drying the fuel to a moisture...
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WO/2001/022005A1 |
The method includes, providing a series of lower compartments (208) for introducing therethrough air and fuel into the combustion chamber. At least one upper compartment (210) is disposed above the topmost compartment (208TM) at a relati...
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WO/2001/020227A1 |
A nozzle (20) for feeding combustion maintaining medium into a furnace (10) at high temperature conditions includes a nozzle tip, partly protruding into the furnace, and a feeding mechanism. The nozzle tip includes an open ended outer sh...
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WO/2001/011287A1 |
A method of operating a pulverized coal-firing furnace (204) is provided which includes injecting air from an upper compartment (210) generally in opposition to a swirling fireball (RB). The method also provides the step of sensing a tem...
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WO/2000/061992A1 |
A swirler (10) for a fossil-fuel fired burner used in connection with a furnace or boiler has a hollow guide pipe (20) supporting several swirl blades (30) at an end (50) adjacent the furnace. Internal tunnels (34) within the swirl blade...
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WO/2000/037853A1 |
A method of operating a solid fuel-fired furnace (10) of the type having a plurality of windboxes (20) each having a plurality of compartments (32, 48) through which fuel and air are introduced into the furnace. The method includes suppl...
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WO/2000/028097A1 |
Device and relative method to inject technological gases and solid material in powder form, in a furnace used in steel and metallurgical melting processes, comprising an emission element (23) including an outlet mouth (11) arranged at a ...
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WO/2000/009764A1 |
A method for producing liquid pig iron or steel intermediate products made from lumpy ferriferous material in a melt-down gasifier, whereby coal and gas containing oxygen are added, a reduction gas is formed simultaneously and the ferrif...
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WO/1999/028678A1 |
The invention concerns a method for automatized combustion of solid fuel in a combustion apparatus which comprises a burner (1) with a device (1), which is rotatable about the centre axis of the burner for stirring the fuel in the burner...
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WO/1999/001525A1 |
The fuel injector nozzle (10) for a gasifier includes a protective recfractory sheath (70) that is flush mounted at a downstream end proximate the nozzle outlet portion (40). The refractory insert (72) is of annular form to surround the ...
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WO/1998/033870A1 |
The operating life of a fuel injector nozzle (10) for a gasifier is prolonged by shielding the fuel injector nozzle (10) with a preformed protective insulating sheath (70) before the fuel injector nozzle (10) is installed inside a prehea...
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