Abstract: A system for cooking food, can include a control circuit that operates a fuel feeder, for instance to vary a rate of fuel discharged from the fuel feeder. The control circuit can operate a fan, for instance to vary the speed of the fan. The control circuit can receive one or more signals from the fan that correspond to an amount of fuel discharged from the fuel feeder. The control circuit can receive one or more signals from the fuel feeder that correspond to an amount of air displaced by the fan. The system can monitor a temperature of a cooking area and can adjust the amount of fuel discharged from a fuel feeder, for instance to vary the temperature in the cooking area. The system can adjust the speed of the fan to establish a desired air-to-fuel ratio for combustion in a combustion chamber.

Abstract: The invention relates to a method for starting up a fluidized bed boiler, such as a circulating fluidized bed (CFB) or a bubbling fluidized bed (BFB) boiler, for operation with a predetermined concentration of ilmenite particles in the bed material. The invention also relates to a method for pre-oxidizing ilmenite, to pre-oxidized ilmenite and to the use of pre-oxidized ilmenite in a fluidized bed boiler.

Abstract: A system and method of converting tires or other solid carbon based material is disclosed, wherein the system and method includes providing a chamber, feeding tires or other solid carbon based material or both into the chamber, indirectly heating the chamber, rotating the heated chamber with the material in the heated chamber, collecting solid residue from the reduced material from the chamber, collecting vapor from the reduced material from the chamber, and collecting residual solids from the reduced material from the chamber for re-use. The chamber has an interior surface and may include one or more ribs on the interior surface for rotating and tumbling the material in the chamber while heating the material.

Abstract: A grate bar configured to include a reinforcement structure of sheet metal and structured to be manufacture at a reduced cost while exhibiting reduced wear and enhanced resistivity to hear and corrosives. A metal-ceramic compound grate (for example—an incinerator grate) utilizing such a grate bar. An incinerator and a cooling grate including such grate bar.

Abstract: A grate bar for an incinerator having a grate bar base body and a high temperature resistant cover plate covering the grate bar base body at least on a surface portion which in operation points to a combustion chamber. The cover plate is separated from the grate bar base body by a thermal insulating material. In the grate bar base body a cavity is inserted in a side pointing to the cover plate and/or in the cover plate in the side pointing to the grate bar base body, which cavity is at least partially filled with a ceramic fiber insulating material. The invention further relates to a method for producing such a grate bar.

Abstract: The invention relates to solid fuel units having a fuel supply chamber wherein the fuel to be sent for combustion to the combustion region found in the body is placed and the feed mechanism carrying the solid fuel found in the chamber forward. It is characterized in that it includes a main burning block having a fuel and air cell connected to the solid fuel supply chamber and air outlet vents formed on the external wall surface. A preventive surface is positioned on the main burning block external wall surface in a way that it would form a closed volume in a certain distance.

Abstract: A waste disposal plant includes a combustion chamber (2) inside which waste laid on a combustion grate (3) is burnt, which permits the entrance of an adequate quantity of combustion air in the chamber. The combustion grate includes at least a handling group formed by of fire bars or plates (7), which move alternatively one with respect to the other by advancing the waste on the grate. A handling group permits the alternate movement of the fire bars (7) which are divided in movable fire bars (7a) and fixed fire bars (7b), alternately disposed one with respect to the other, on transversal rows resting one upon the other according to a longitudinal placement with alternate steps.

Abstract: The invention relates to a wood pellet stove, comprising a feed device for automatically adding wood pellets in a metered manner from a pellet hopper belonging to the stove. Said pellet hopper having the feed device and a grate is accommodated in a lower, stationary stove part (20), which remains cold and does not become hot during operation. The combustion chamber having a chimney connection is accommodated in an upper stove part (21). The upper stove part (21) is supported on the lower stove part (20) by means of a turntable so that the upper stove part can be swiveled relative to the lower, stationary stove part (20). Thus, the combustion chamber and the viewing window can be swiveled in any desired direction as needed.

Abstract: A moving distribution furnace chute for use with a furnace has a tube (3) for distribution of material, the tube having a longitudinal axis, an open inlet end (8) and an open outlet end (9). The tube further has a plurality of vanes (14) mounted on an inner surface of the tube, the vanes having a length extending in a direction having a component along the axis (15) and a breadth extending in a direction having a component radially inwards towards the axis.

Abstract: Disclosed is a combustion device and method for combusting granular, solid fuel, for example wood pellets. The combustion device includes a chamber having an outer wall and an inner wall, which inner wall divides the chamber into a combustion air space and a combustion chamber. Further, the combustion device includes at least one blast apparatus for providing primary combustion air and secondary combustion air and a rotating unit for rotating the combustion chamber. The inner surface of the combustion chamber includes a number of steps for lifting combustion fuel in the combustion chamber, when the combustion chamber is rotated. Further, primary combustion air is provided into the combustion chamber for contributing combustion of combustion fuel and for moving combustion fuel on the steps. In addition, secondary combustion air is provided into the combustion chamber for removing completely combusted fuel and/or combustion gases from the combustion chamber.

Abstract: An atmospheric water heating system is presented, where hot gasses from a burner are introduced directly to water. The water is exposed to the burner exhaust gasses as a film upon a series of rotating discs partially submerged in a reservoir. The water vaporizes and then re-condenses on subsequent discs, cooling the exhaust gas and heating the reservoir water. The heated reservoir water may be used to heat space heating water with a water-to-water heat exchanger. The water vapor may be used to heat environmental forced hot air with a vapor-to-air heat exchanger.

Abstract: A waste disposal plant includes a combustion chamber (2) inside which waste laid on a combustion grate (3) is burnt, which permits the entrance of an adequate quantity of combustion air in the chamber. The combustion grate includes a handling group formed by fire bars or plates (7), which move alternatively one with respect to the other by advancing the waste on the grate. The handling group permits the alternate movement of the fire bars (7) which are divided in movable fire bars (7a) and fixed fire bars (7b), alternately disposed one with respect to the other, on transversal rows resting one upon the other according to a longitudinal placement with alternate steps.

Abstract: The present invention relates to a non-catalytic biomass burner that may be used to burn a variety of fuel types at high efficiencies. The burner may include a cylindrical combustion chamber with an auxiliary igniter to heat the fuel in the combustion chamber until desirable combustion temperatures are reached. Fuel may be added to the chamber via a fuel feed assembly, and the rate of fuel addition to the chamber by the fuel feed assembly may be controlled by a computer. A fan located on the distal side of a flue pipe from the chamber may also be provided that pulls air into the chamber through one or more air inlets that are designed to encourage cyclonic air and exhaust flow in the chamber. Methods are further provided for controlling the manner of operation of the burner by a computer that may be instructed by a computer program code.

Abstract: This invention provides a portable combustion device that provides a cleaner combustion, reduces the kindling period, and provides a more efficient overall combustion through the use of a fan that directs a predetermined volume of airflow over the combustible fuel—typically wood or similar cellulose-based biological solids. The combustion device has a combustion chamber with a fuel source. A housing encloses the TEG on the side of the device that generates an electrical output based on a temperature differential between opposing TEG sides. A heat-conducting probe is mounted to the TEG and protrudes into the combustion chamber. The opposing TEG side contacts a heat sink that interacts with ambient air. A fan draws heated air away the heat sink, and forces the air onto the combusting fuel through a plurality of peripheral ports that connect with an air space located between inner and outer walls of the combustion chamber.

Abstract: The present invention relates to a firewood boiler, comprising: a boiler main body including a feeding hole through which wood fuel and air for combustion are fed, a smoke exhaust hole defined in the top thereof so as to be connected to an exhaust pipe, an air inlet defined adjacent to the smoke exhaust hole, and a heating-water store in which heating water is stored; a main opening/closing unit installed on the boiler main body to open and close the feeding hole and selectively supply and block the entry of outside air into the boiler main body when the feeding hole is closed; an auxiliary opening/closing unit for supplying outside air into the boiler main body when the entry of outside air is blocked by the main opening/closing unit; a temperature sensor for sensing the temperature of the heating water; and a control unit for controlling the inflow and blocking of air by means of the main opening/closing unit on the basis of information on the temperature sensed by the temperature sensor.

Abstract: Method for combusting a solid phase fuel, where the fuel is caused, by the help of a non-pneumatic feeding element (11), to be fed to an inlet opening (11a) in a burner device (10) having a first inlet (13a) for the oxidant through which an oxidant is caused to flow via a first supply conduit (13). The first inlet (13a) for oxidant is caused to be arranged in the form of an opening surrounding the inlet opening (11a), in that the oxidant is caused to flow out through the opening (13a) with a velocity of at least 100 m/s, through a burner pipe (16) and out through a burner orifice (17) to a combustion space (18), so that the oxidant by ejector action causes the fuel to be conveyed through the burner pipe (16) and out through the burner orifice (17).

Abstract: A recycling furnace is provided for processing potentially explosive precious metal-containing materials having organic fractions that combust with great energy. The furnace includes a switching facility for alternating operation of two burning-off chambers of the furnace between: (A) pyrolysis or carbonization under protective furnace gas in an atmosphere comprising maximally 6 wt-% oxygen, and (B) oxidative combustion of the organic fractions including carbon. The furnace has indirect heating and a control that determines the end of the pyrolysis or carbonization by a sensor and controls the switching facility to supply air or oxygen to the interior of the furnace. A continuous conveyor for dosing of liquids or liquefied substances during the pyrolysis is controlled by at least one parameter of post-combustion, preferably a temperature sensor. A single waste gas treatment facility is used for thermal post-combustion for the two furnace chambers.

Abstract: The invention relates a pyrolytic carbon black produced from pyrolyzed rubber, the pyrolytic carbon black having an ash content ranging between 9-15%, a toluene discoloration at 425 mu of between 80-90% transmission, an iodine adsorption between 30 and 45 mg/g; and, an n-dibutyl phthalate absorption number of or to 65 cc/100 gm.

Abstract: An oxygen fueled integrated pollutant removal and combustion system includes a combustion system and an integrated pollutant removal system. The combustion system includes a furnace having at least one burner that is configured to substantially prevent the introduction of air. An oxygen supply supplies oxygen at a predetermine purity greater than 21 percent and a carbon based fuel supply supplies a carbon based fuel. Oxygen and fuel are fed into the furnace in controlled proportion to each other and combustion is controlled to produce a flame temperature in excess The integrated. pollutant removal system includes at least one direct contact heat exchanger for bringing the flue gas into intimated contact with a cooling liquid to produce a pollutant-laden liquid stream and a stripped flue gas stream and at least one compressor for receiving and compressing the stripped flue gas stream.

Abstract: A grill consisting of liquid-cooled grill plates and liquid-cooled lateral panels, the surfaces of which are provided with wear plates (1) connected to the liquid-cooled grill plates (2) and lateral planks in a heat-conducting manner. Wear plates (1) consist of a wear-resistant material which must however be cooled. Advantageously, a layer of a heat-conducting material in the form of a highly heat-conducting soft silicon film (3) is clamped between the liquid-cooled grill plates (2) and lateral panels and the wear plates (1), the layer providing a good heat transfer between the wear plates (1) and the permeable grill plates (2) and central panels. It is thus ensured that, during operation, the wear plates (1) always remain in a non-critical temperature range as they are cooled by the underlying grill plates (2) and lateral panels which are cooled to ca. 50° C.

Abstract: A pulse detonation coal burner includes a burner body having an inlet and an outlet, and a fuel introduction system coupled to the inlet of the burner body. The fuel introduction system is configured and disposed to introduce at least one fuel into the burner body. A pulse detonation device is operatively coupled to the burner body. The pulse detonation device is configured and disposed to introduce a pulse detonation wave into the burner body to ignite the at least one fuel.

Abstract: The invention relates to a method for producing power from at least one fuel, said method including: a step of oxidizing said fuel by means of placing it in contact with at least one oxygen loaded solid compound and of concomitantly reducing said solid compound.

Abstract: 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.

Abstract: A device is provided for accelerating and propelling whole tires into the combustion zone of a kiln. More specifically, the device comprises an upper accelerating assembly and a lower accelerating assembly for providing approximately constant exit velocity to a whole tire regardless of its size or weight.

Abstract: A recycling furnace and method are provided for processing potentially explosive precious metal-containing materials having organic fractions that combust with great energy, the furnace including a switching facility for alternating operation of a burning-off chamber of the furnace between: (A) pyrolysis or carbonization under protective furnace gas in an atmosphere comprising maximally 6 wt-% oxygen, and (B) oxidative combustion of the organic fractions including carbon. The furnace has indirect heating and a control that determines the end of the pyrolysis or carbonization by a sensor and controls the switching facility to supply air or oxygen to the interior of the furnace. Steps (A) and (B) are carried out sequentially in the furnace chamber, wherein neither the batch is changed, nor the furnace is opened. After the end of step (A) is determined, step (B) proceeds right after the pyrolysis or carbonization by supplying air or oxygen.

Abstract: There is illustrated a fuel fired brazier for an enclosed granular fuel burning boiler. The brazier has an apertured grate-like brazier base. The brazier base is moved by an actuator from an operative position, retaining fuel in the brazier to a discharge position where ash can fall through a hole. At the same time, fragmentation means, formed by crushing teeth, move across the brazier to trap, for example, a large piece of clinker, between it and the opposed distal wall of the brazier.

Abstract: A biomass thermochemical gasification apparatus is provided that can manufacture high-quality fuel gas out of solid biomass in an industrial manner. This fuel gas can be used as fuel for a gas engine and a gas turbine for example and also can be used as synthesis gas for methanol synthesis. A high-temperature combustion gas generation apparatus (101) for biomass operates entirely by biomass and the heat source thereof does not depend on fossil fuel. A coarsely-ground powder biomass (205) subjected to gasification and gasification agent (303) are introduced to a primary gasification reaction room (202) and generate gasification reaction by, as reaction heat, radiation heat from a wall face of the primary gasification reaction room (202) heated by combustion gas (109a) generated in the high-temperature combustion gas generation apparatus (101) and are dissolved. Consequently, the biomass (205) is converted to clean and high-quality generated gas.

Abstract: A grate bar for an incinerator having a grate bar base body and a high temperature resistant cover plate covering the grate bar base body at least on a surface portion which in operation points to a combustion chamber. The cover plate is separated from the grate bar base body by a thermal insulating material. In the grate bar base body a cavity is inserted in a side pointing to the cover plate and/or in the cover plate in the side pointing to the grate bar base body, which cavity is at least partially filled with a ceramic fibre insulating material. The invention further relates to a method for producing such a grate bar.

Abstract: The invention relates to solid fuel units having a fuel supply chamber wherein the fuel to be sent for combustion to the combustion region found in the body is placed and the feed mechanism carrying the solid fuel found in the chamber forward. It is characterized in that it includes a main burning block having a fuel and air cell connected to the solid fuel supply chamber and air outlet vents formed on the external wall surface. A preventive surface is positioned on the main burning block external wall surface in a way that it would form a closed volume in a certain distance.

Abstract: According to embodiments of the present invention, a pellet stove includes a firepot assembly with a bottom plate slideable along rails to move between a closed position during combustion in the firepot and an open position during ash removal. According to other embodiments, a firebox or combustion enclosure includes a plurality of airfoils formed on the inner and outer surfaces of the enclosure to facilitate heat exchange between exhaust gases flowing across the inner surface of the enclosure and air blown across the outer surface of the enclosure. According to some embodiments, the airfoils and enclosure are of integral unibody construction. According to yet other embodiments, a user sets parameters via a wall control unit, and a stove control unit receives the parameters and automatically controls fuel feed rate, ignition, convection blower, combustion blower, and/or firepot cleaning based on the one or more parameters.

Abstract: A pellet burner has inner and outer housings for defining a high pressure air plenum between. Angled perforations at strategic locations in the inner housing supplied pressurized primary and secondary combustion air so that, with pellets supplied to a burn pot of the inner housing and activation of a blower and an ignitor cartridge, the pellets auto-ignite and the air flow establishes a swirling flame in the burn pot that travels to a flame conduit of the inner housing where further swirling occurs in a venture section for shaping the flame into a clean, hot, symmetrical form.

Abstract: A method and a system for uniformization and regulation of the solid fuels pneumatically conveyed using dense-stream conveying, into a gasifier for the production of synthesis gas, is supposed to be configured in such a manner that clearly homogenized feed of the coal to the burner is made possible, whereby the short-term fluctuations are minimized and thus the gasification quality is improved, and regulation of the amounts of coal to the burner is structured to be more effective. This is achieved in that the fine-grain to dust-type fuel is first conveyed out of a feed container positioned below the burner level, to a level above the burner level, and subsequently homogenized in a line that is directed downward toward the burner.

Abstract: A method for operating a wood fired appliance, in one aspect, generally includes automatically moving a baffle to a lowered closed position from the raised open position in response to a top loading door being moved to a closed position to close the opening in a top wall. The baffle may also be automatically inhibited from being maintained in the raised opened position when the top loading door is disposed in the closed position. For example, a cam may be tripped or activated by lowering of the top loading door to cause the baffle to rotate about an axis and fall under the force of gravity to the lowered closed position, and the cam may inhibit the baffle from being raised when the top loading door is closed.

Abstract: The invention relates to recycled rubber produced by a process comprising the steps of: a) shredding cleaned rubber tires into shreds less than 2? long; b) pyrolyzing the shreds in a reaction chamber of a thermal processor in a first anaerobic environment to produce a char; c) drawing off volatile organics from the reaction chamber; c) removing the char from the reaction chamber; d) cooling the char in a second anaerobic environment; e) removing metal and textile components from the char to obtain pyrolytic carbon black; f) milling and sizing the pyrolytic carbon black so obtained into particles of 325 mesh size or smaller; and, g) utilizing the pyrolytic carbon black from the previous step in a polymerization process that produces said recycled rubber. It also relates to the high quality pyrolytic carbon black recovered from this process.

Abstract: A moving distribution furnace chute for use with a furnace has a tube (3) for distribution of material, the tube having a longitudinal axis, an open inlet end (8) and an open outlet end (9). The tube further has a plurality of vanes (14) mounted on an inner surface of the tube, the vanes having a length extending in a direction having a component along the axis (15) and a breadth extending in a direction having a component radially inwards towards the axis.

Abstract: This bio-fuel furnace includes a combustion unit and separate fuel feed unit mounted atop the combustion unit. The combustion unit includes a cylindrical burn pot, a preheat module, an expansion bowl and a primary heat exchanger supported by an inner frame and enclosed by an outer casing. The preheat module is a rectangular box having an internal spiral baffle. The burn pot is seated within a central opening in the preheat module. The expansion bowl is seated atop the preheat module and the primary heat exchanger is mounted above the expansion bowl. An inlet fan blows inlet air through the preheat module and into the burn pot and an outlet fan draws exhaust air around the primary heat exchanger from the combustion unit. The fuel feed unit has an internal storage bin and a rotating scoop arm deposits the bio fuel into the combustion unit.

Abstract: A cyclonic combustor comprising a combustion liner forming a combustion chamber having a generally cylindrical shape, a biomass feed inlet for receiving biomass particles under pressure, wherein the biomass feed inlet is formed so that the biomass particles are introduced into the ignition zone of the combustion chamber with a tangential component relative to the longitudinal axis of the combustion liner, and a plurality of air tuyeres formed through the combustion liner for receiving compressed air, wherein the plurality of air tuyeres are arranged to introduce the compressed air into the combustion chamber with a tangential component relative to the longitudinal axis of the combustion liner. A direct-fired biomass-fueled pressurized gas turbine system comprising a pressurized feed system, the cyclonic combustor, and a gas turbine. Methods of operating a cyclonic combustor and methods for direct firing a gas turbine.

Abstract: A pellet stove utilizing gravity feed and natural draft more effectively and efficiently burns pellet fuel while producing less air pollution and ash. In one embodiment, the pellet stove has a primary combustion area comprising a burn unit removably disposed in the vent tube, a feed tube defining a fuel chamber above the burn unit and a secondary combustion area, comprising a burn box defining a secondary burn chamber, below the burn unit. The burn unit has a removable receptacle which defines a primary burn chamber that receives pellet fuel from the fuel chamber and discharges substantially burned fuel to the secondary burn chamber for additional burning. Openings in the burn box, pellet receptacle and vent tube draw air into the burn chambers. A control mechanism controls the air flow to regulate the heat generated by the pellet stove. The pellet stove can be manufactured in various aesthetically pleasing designs.

Abstract: A partition divides an enclosure into an upper space and a lower space, the partition having a hole which provides essentially the only passage for gas to flow from the lower space to the upper space. A reactor tube having open ends is supported by the partition over the hole, and a grate spaced below the hole. A primary air inlet arrangement feeds air into the lower space for gasification of solid fuel on the grate, and a secondary air inlet directs a jet of air toward the inlet end of combustion tube communicating with the upper space and having an open exhaust end outside the enclosure. Product gas formed by gasification of solid fuel on the grate and passing through the reactor tube into the upper space will be drawn into the combustion tube to create a sub-atmospheric pressure in the upper space.

Abstract: A wood or other bio mass fueled appliance is disclosed for maximum efficiency and low cost construction for home, garage, workshop, and barn. Comprised of a vertical cylindrical outside shell (12) outside bottom (16) and outside top (14) enclosing an inside shell (24) inside bottom (28) and inside top (26). Inside shell (24) forming a vertical cylindrical chamber (36) accessed by load door (38) and ash door (40), through which disassembled baffles (32) may pass. A suitable means for igniting fuel in chamber (36) and controlling burn rate by draft regulators (42) and fan limit switches (52). Whereby circular baffles (32) elevated by 90° angle shaped supports (30) suppress the flow of flame and exhaust gases from entering flue (22). Exhaust gases and flame pass by gap (50), directing energy toward the inside surface of inside shell (24) inside bottom (28) and inside top (26).

Abstract: An apparatus, method, and system for combusting bridging fuel which includes biomass material. The apparatus includes an enclosure having a relatively thin wall defining a firebox. A temperature sensor is positioned on the exterior of the wall of the firebox. A controller is operatively connected to the temperature sensor and the fuel feed conveyor. If the temperature sensor exceeds a set point, the controller automatically operates the fuel feed conveyor to refill the firebox with fuel, which reinsulates the wall of the firebox so that fuel surrounds the combustion. A method according to the invention causes a refilling of fuel into a firebox upon sensing a condition indicative of a collapse of the bridging fuel in the firebox during combustion, losing its insulating effect at that location. The refilling is adapted to reinsulate the firebox with the fuel.

Abstract: The present invention relates to a continuous-feed furnace assembly and processes for preparing and continuously thermally exfoliating graphite oxide to give a highly exfoliated graphite.

Abstract: This invention discloses a pellet fuel combustion device, which comprises an electric arc ignition pin installed in the combustion chamber to generate high-voltage electric arc. The pellet fuels transported by the feeding mouth start burning once they touch the electric arc. High-voltage electric arc is generated by electric arc ignition pin the moment the pellet fuel combustion device starts up, which accelerates igniting speed greatly and reduces power consumption. Furthermore, the fuel pellets can achieve full burning by scattering and touching electric arc without bringing on smeek. Hence, this invention has great advantages over conventional ignitions which produce heat and fire by resistance wire.

Abstract: A system for thermally recycling waste, for example whole used tyres (P) and fractionated waste; includes a first thermal pyrolysis column, having a first thermal base from which combustible gases are produced; a nozzle for introducing these combustible gases into a second instantaneous combustion and rapid reduction column and igniting them by injection of oxygen, this second reducing column having a second thermal base provided for carrying out purification of the burnt gases and molecular cracking; and a chute for introducing waste into this second column.

Abstract: The invention relates to a burner for solid fuel such as biomass or tyres, that comprises a heating body in the shape of a cylinder (1,1?, 1?) with solid fuel supply means and means for the inlet of primary air (13, 13?, 13?) as oxidant, said cylinder being provided with a plate (3,3?,3?) in its lower part. The invention comprises placing the plate above the means for the inlet of primary air (13, 13?, 13?), wherein the plate has through holes and is arranged so as to receive the fuel without the fuel flowing therethrough, and said burner further includes inside said cylinder (1, 1?,1?) means for generating a negative pressure within the burner so as to generate a primary air circulation from the underside of the plate (3, 3?,3?) and through said plate and the fuel resting thereon up to a gas outlet duct (4, 4?, 4?) in the upper portion of said burner. Application in the combustion of biomass, tyres and the like.

Abstract: This disclosure includes a system and method of controlling fuel combustion including providing a system, measuring a property, and providing oxygen and fuel in response to the property. The system includes a furnace arranged and disposed to receive fuel and oxygen and combust the fuel and the oxygen to form a combustion fluid, a plurality of heat exchanger sections arranged and disposed to receive heat from the combustion fluid, and a plurality of oxygen injectors arranged and disposed to controllably provide oxygen to the combustion fluid to adjust composition of the combustion fluid and temperature of the combustion fluid. The property measured is selected from the group consisting of temperature of the combustion fluid, composition of the combustion fluid, temperature of the heat exchanger sections, and combinations thereof and is performed in close proximity to the oxygen injectors.

Abstract: A gypsum dryer/calciner (1) includes a calcining space (2), a first pipe (4) exhibiting an inlet connected to a source of hot gases (3) and an outlet emerging in the calcining space (2); a second pipe (5) exhibiting an inlet connected to a source of gypsum (8) and an outlet emerging in the calcining space, the second pipe being concentric with the first pipe; a force-feeding screw (6) positioned at least partially in the second pipe, the said screw carrying the gypsum along in the calcining space. A process for calcining gypsum and to the plaster capable of being obtained by this process.

Abstract: An apparatus and method for consistently delivering solid fuel to the combustion zone of a furnace is disclosed. The method includes feeding the solid fuel into the material inlet of a rotating rotary air lock valve which may have slanted vanes and moving the fuel from the material inlet of the rotating rotary air lock valve to the material outlet of the rotating rotary air lock valve, and conveying the fuel and gas through a discharge conduit to a fuel feed receiver of a furnace burner having a combustion zone.

Abstract: An apparatus for combustion of biomass is provided. The apparatus generally includes opposingly paired sidewalls, a fixed panel traversing the opposingly paired sidewalls, an actuatable panel opposite the fixed panel, and a fuel platform supported by a panel of either of the panels. A portion of the fuel platform is reversibly receivable through a portion of a panel opposite the panel supporting the fuel platform in furtherance of fuel conditioning upon actuation of the actuatable panel.

Abstract: Method for combusting a solid phase fuel, where the fuel is caused, by the help of a non-pneumatic feeding element (11), to be fed to an inlet opening (11a) in a burner device (10) having a first inlet (13a) for the oxidant through which an oxidant is caused to flow via a first supply conduit (13). The first inlet (13a) for oxidant is caused to be arranged in the form of an opening surrounding the inlet opening (11a), in that the oxidant is caused to flow out through the opening (13a) with a velocity of at least 100 m/s, through a burner pipe (16) and out through a burner orifice (17) to a combustion space (18), so that the oxidant by ejector action causes the fuel to be conveyed through the burner pipe (16) and out through the burner orifice (17).