46results about "Burner cooling" patented technology

Provided are a gasification furnace operating method, a gasification furnace, a two-stage gasification apparatus, a gasification method for an organic raw material, and a two-stage gasification method for organic waste that make it possible to stably operate a gasification furnace over a long period of time. The present invention provides a gasification furnace operating method including, in a gasification furnace into which an organic raw material is introduced and that produces gas and slag, directly or indirectly introducing an alkali metal-containing compound into the gasification furnace to reduce the viscosity of the slag.

The present invention relates to a parting sheet (1200) for a burner (1000), to a burner and to methods of manufacturing the same, wherein the parting sheet (1200) is configured to be arranged in or to be manufactured in a cavity (1120) inside a wall (1110) of the burner (1000) for flowing a cooling fluid through the wall of the burner, the parting sheet (1200) comprising a sheet element (1210) and a number of baffle elements (1220, 1230, 1240), wherein each of these baffle elements (1220, 1230, 1240) is provided at a predetermined position on a surface of the sheet element (1210) inclined by a predetermined angle (1221, 1231) towards the sheet element.

The invention relates to a biomass boiler (1) for a solid biomass fuel (51), in particular pellets and / or wood chips, comprising: a boiler housing (2), a combustion chamber (3), a solid fuel conveying device (4) for feeding the combustion chamber (3) with the solid biomass fuel (51), wherein the solid fuel conveying device (4) has a conveying channel (5) and a conveying unit (6) for conveying the solid biomass fuel (51) within the conveying channel (5), a combustion air supply device (15) within the boiler housing (2) for distributing and supplying combustion air V, in particular primary (VP) and / or secondary (VS) and / or tertiary air (VT), into the combustion chamber 3, and an intake opening (24) for the combustion air (V).wherein the intake opening (24) is provided on the solid fuel conveying device (15) and a combustion air flow path (25) for the combustion air (V) leads from the intake opening (24) to the conveying channel (5) and further into the combustion air supply device (15), wherein the combustion air flow path (25) is guided at least partially along the conveying channel (5). Furthermore, the invention relates to a method for operating a biomass boiler (1).

A fuel system includes a fuel supply system. A plurality of fuel nozzles are connected in fluid communication with the fuel supply system to supply fuel from a fuel source to be issued for combustion from the fuel nozzles. A cooling system is included, wherein at least one of the fuel nozzles includes a cooling circuit in addition to a fuel circuit for issuing fuel from the fuel supply system for combustion. The cooling circuit includes an inlet and an outlet. The inlet is in fluid communication with the cooling system for circulation of coolant through the cooling circuit and back to the cooling system out the outlet of the cooling circuit for cooling the fuel circuit with the fuel circuit staged off.

Burner unit (1) for fire simulations, comprising: - a frame body (2) which forms a first fuel receiving chamber (3) for receiving a liquid fuel and closes it off from the external environment of the burner unit (1); and - a second fuel receiving chamber (4) for receiving a gaseous fuel; o wherein the second fuel receiving space (4) is formed at least partially by the frame body (2) and a burner plate (6) as well as a support surface (11) opposite the burner plate (6), - wherein the frame body (2) rests at least partially on the support surface (11) in a functional state of a fire simulation; - wherein the frame body (2) has a filling device (9) for filling the first fuel receiving space (3) with liquid fuel, - wherein the first and the second fuel receiving chamber (3; 4) are connected to one another via at least one connecting opening (5), wherein the connecting opening (5) is a throttle which is designed so that liquid fuel from the first fuel receiving chamber (3) expands into the second fuel receiving chamber (4) to form a gaseous fuel, - wherein the second fuel receiving chamber (4) has at least one outlet opening (8) through which the gaseous fuel can escape into the environment and be ignited.

The invention relates to the field of power engineering and can be used in heating systems, more particularly in water heaters or boilers, in disposal systems fueled by the combustion of associated gas, and in electrical energy generating systems. A pulse combustion apparatus comprises a combustion chamber 14, at least one resonant channel 28 connected to the combustion chamber 14, a device 15 for removing heat which is linked to the combustion chamber and to the resonant channel and which consists of at least one chamber and / or at least one tube for a heat-exchanging agent 16. A device for supplying air and combustible gas, which is connected to the combustion chamber 14, comprises at least one gaseous medium nonreturn valve 17 and at least one guard chamber 18 of said valve 17. The at least one gaseous medium nonreturn valve 17 is directly or indirectly linked to the device 15 for removing heat via a vibration isolator 19, 24.

A lance for injecting reactants into a gasification zone of a gasifier includes a face, an outer shell, and a primary cooling circuit comprising an inlet nozzle and outlet nozzle, wherein the lance is an actively cooled lance.

The invention relates to a combustion device for fire simulation in fire exercises, wherein the combustion device has a first fuel container and a second fuel container. The first fuel container is arranged to mainly contain liquid fuel, wherein the liquid fuel can expand from the first fuel container into the second fuel container to form gaseous fuel. The combustion device according to the invention is characterized, inter alia, in that it does not need to be cooled in the fire scenario function state, and that it can at least partially achieve self-cooling by expansion of the liquid fuel into gaseous fuel. Furthermore, the invention also comprises a method for implementing a fire scenario.

A burner employed in a submerged combustion vessel for melting high index glass includes an arch positioned on the burner in the submerged combustion vessel. An amount of combustible gas flows through a first aperture disposed in a first haunch of the arch and through a second aperture disposed in a second haunch of the arch. Fuel is supplied through an end orifice in the fuel supply line. The end orifice is disposed below the arch. A quantity of glass is fed into the submerged combustion vessel and melted inside the submerged combustion vessel by igniting the burner. Some of the molten glass is at least partially solidified against a wall of the submerged combustion vessel such that the molten glass is contained in its own vessel.

The present invention provides a gasifier burner for a dry-feed pulverized coal gasification process, comprising: a first central pipe having a central axis; a first annular pipe concentrically surrounding the first central pipe, the first annular pipe comprising a plurality of first outlets at a head end of the gasifier burner; a second annular pipe concentrically surrounding the first annular pipe, the second annular pipe comprising a plurality of second outlets at the head end of the gasifier burner; and a third annular pipe concentrically surrounding the second annular pipe to form an outer wall of the gasifier burner, a head end of the first central pipe being fluidly connected to a head end of the third annular pipe by means of a connecting channel; characterized in that the first central pipe is for entry of cooling water and in that the third annular pipe is for leaving of the cooling water, so that cooling water flows along an inner side of a head end wall and an outer wall of the gasifier burner.

The present invention provides a gasifier burner for a dry feed pulverized coal gasification process, comprising: a first central pipe having a central axis; a first annular conduit concentrically surrounding the first central conduit, the first annular conduit comprising a plurality of first outlets at a head end of the gasifier burner; a second annular conduit concentrically surrounding the first annular conduit, the second annular conduit including a plurality of second outlets at a head end of the gasifier burner; the third annular pipeline concentrically surrounds the second annular pipeline to form the outer side wall of the gasifier burner, and the head end of the first central pipeline is in fluid communication with the head end of the third annular pipeline through a connecting channel; the nozzle is characterized in that the first central pipeline is used for allowing cooling water to enter, and the third annular pipeline is used for allowing the cooling water to leave, so that the cooling water flows along the inner sides of the head end wall and the outer side wall of the nozzle of the gasification furnace.

The present invention provides a fireplace flame-extinguishing method operating in a fireplace, including the following steps: S1: when a shutdown command is received, stopping a heating element from heating a liquid fuel in a vaporization chamber of a vaporization device; and S2: injecting a liquid fuel having a temperature lower than a boiling point of the liquid fuel into the vaporization chamber of the vaporization device, to decrease a temperature of the liquid fuel in the vaporization chamber below the boiling point of the liquid fuel. According to the fireplace flame-extinguishing method of the present invention, the liquid fuel having the temperature lower than the boiling point of the liquid fuel is injected into the vaporization chamber during a flame-extinguishing stage to quickly decrease the temperature of the liquid fuel in the vaporization chamber below the boiling point of the liquid fuel, reducing an amount of a vaporized fuel outputted to the burner, thereby realizing quick flame extinguishment. The present invention further provides a fireplace.

A combustion burner employed in a submerged combustion vessel used to melt high index glass includes an arch positioned on a burner in the submerged combustion vessel. An amount of combustible gas flows through a first port disposed in a first haunch of the arch and through a second port disposed in a second haunch of the arch. Fuel is supplied through an end port in a fuel supply line. The end port is disposed under the arch. An amount of glass is fed into the submerged combustion vessel and is melted inside the submerged combustion vessel by igniting the burner. Some of the melted glass at least partially solidifies against a wall of the submerged combustion vessel such that the melted glass is contained in a vessel of itself.

The present invention provides a fireplace flame-extinguishing method, including the following steps: S1: when a shutdown command is received, stopping a heating element from heating a liquid fuel in a vaporization chamber of a vaporization device; and S2: injecting a liquid fuel having a temperature lower than a boiling point of the liquid fuel into the vaporization chamber of the vaporization device, to decrease a temperature of the liquid fuel in the vaporization chamber below the boiling point of the liquid fuel. According to the present invention, the liquid fuel having the temperature lower than the boiling point of the liquid fuel is injected into the vaporization chamber during a flame-extinguishing stage to quickly decrease the temperature of the liquid fuel in the vaporization chamber, reducing an amount of a vaporized fuel outputted to the burner, thereby realizing quick flame extinguishment. The present invention further provides a fireplace.

One object of the present invention is to provide an apparatus for producing inorganic spheroidized particles which can significantly reduce the amount of warming gas generated and suppress the generation of soot during combustion. The present invention provides an apparatus (10) for producing inorganic spheroidized particles, including a burner (11) for producing inorganic spheroidized particles, a vertical spheroidizing furnace (15), an ammonia supply source (12), an oxygen supply source (13), an ammonia supply line (L1) located between the ammonia supply source (12) and the burner (11) for producing inorganic spheroidized particles, and an oxygen supply line (L2) located between the oxygen supply source (13) and the burner (11) for producing inorganic spheroidized particles.

A fuel nozzle design suitable for use in industrial combustion systems and exhibiting reduced fouling and coking is disclosed. The fuel nozzle has a fuel inlet, a bore, and an outlet port. The fuel nozzle design provides improved mixing of fuel flow through the nozzle bore and pressure drop at the nozzle outlet.

A feed injector for a gasifier comprising a burner and a cooling jacket to protect the burner from high temperatures. The cooling jacket comprises two concentric channels in order to provide a flow path for a heat transfer fluid, typically water, to travel through one channel toward the burner front, travel along the burner front, and return through the other channel. Heat transfer in the cooling jacket is improved by introducing one or more fins in the path of the heat transfer fluid and / or by increasing the radius of curvature of the wall corner bordering the flow recirculation zone in the cooling jacket.

One object of the present invention is to provide an apparatus for producing inorganic spheroidized particles which can significantly reduce the amount of warming gas generated and suppress the generation of soot during combustion. The present invention provides an apparatus (10) for producing inorganic spheroidized particles, including a burner (11) for producing inorganic spheroidized particles, a vertical spheroidizing furnace (15), an ammonia supply source (12), an oxygen supply source (13), an ammonia supply line (L1) located between the ammonia supply source (12) and the burner (11) for producing inorganic spheroidized particles, and an oxygen supply line (L2) located between the oxygen supply source (13) and the burner (11) for producing inorganic spheroidized particles.

The present invention provides a head unit for capping a combustion chamber of an abatement system The head unit comprises an outer face and inner face, which inner face, in use, provides an internal surface of the combustion chamber. A surface of the head unit defines at least one conduit configured to convey a fluid through the head unit during operation. The head unit is configured such that, during use, the head unit functions as a heat exchanger to transfer heat from the combustion chamber to the fluid within the conduit. The present invention also provides an abatement apparatus, and a method.

A multi-stage anti-blocking oil gun device, comprising an incinerator body, an oil gun body connected to the incinerator body, a flow valve connected to the oil gun body, a wind direction control device connected to the oil gun body, and a controller. The wind direction control device includes a blower, an air inlet pipe connected to the blower, a conversion head element connected to the air inlet pipe, and a first rotating motor for driving the conversion head element to rotate. A limiting hole is provided on the incinerator body. The conversion head element includes a stator element and a rotor element. The stator element is fixedly connected to the air inlet pipe, and the rotor element is movably connected to the limiting hole. A ventilation groove is provided on the stator element, and a plurality of ventilation holes are provided on the rotor element. The ventilation groove is annular, the diameter of the ventilation hole is less than or equal to the width of the ventilation groove, and the positions of the ventilation holes correspond to the positions of the ventilation grooves respectively. The controller is electrically connected to the blower, the first rotating motor, and the flow valve respectively.

To provide a burner cooling circuit design that provides burner cooling without requiring plural air circuits and reduces an amount of cooling air to be used.SOLUTION: A burner 100 includes a main body 106 having an outer surface 112 and at least partially defining an interior. The main body further includes an upstream end 102 axially spaced from a downstream end 104. The outer surface includes a burner front face 118 at the downstream end of the main body. An annular cooling air plenum is defined in the main body radially inwardly from the outer surface. A cooling air passage extends from the outer surface to the annular cooling air plenum. Plural cooling channels are circumferentially spaced apart from one another along the burner front face. Each cooling channel of the plural cooling channels extends from an inlet in fluid communication with the annular cooling air plenum to an outlet 124.SELECTED DRAWING: Figure 3

A structure for fuel nozzle suitable for use in an industrial combustion system and having reduced fouling and coking is disclosed. The fuel nozzle has a fuel inlet, a bore and an outlet port. The structure of the fuel nozzle provides improved mixing of the fuel flow through a bore of the nozzle and pressure drops at an outlet of the nozzle.

One or more embodiments of a burner panel for a metallurgical furnace is described herein. The burner panel has a body having a top surface, a bottom surface, a left surface, a right surface, and a front surface surrounding an interior burner area. A spray-cool system disposed in the interior area. A burner tube at least partially disposed in the interior burner area and extends into the front surface. The burner tube is configured to accept a burner.

The present disclosure discloses a combustion chamber and a combustion apparatus. The combustion chamber includes: a first surrounding plate located on an outer side and a second surrounding plate located on an inner side. A combustion cavity is defined by the second surrounding plate. The first surrounding plate and the second surrounding plate are spaced apart from each other to define at least one air duct in communication with the combustion cavity. Each of the at least one air duct has an air inlet hole formed in the first surrounding plate, and an air outlet hole formed in the second surrounding plate.

One or more embodiments of a burner panel for a metallurgical furnace is described herein. The burner panel has a body having a top surface, a bottom surface, a left surface, a right surface, and a front surface surrounding an interior burner area. A spray-cool system disposed in the interior area. A burner tube at least partially disposed in the interior burner area and extends into the front surface. The burner tube is configured to accept a burner.

The present disclosure discloses a combustion chamber (100) and a combustion apparatus (1000). The combustion chamber (100) includes: a first enclosing plate (10) located on an outer side and a second enclosing plate (20) located on an inner side. A combustion cavity (21) is defined by the second enclosing plate (20). The first enclosing plate (10) and the second enclosing plate (20) are spaced apart from each other to define at least one air duct (30) in communication with the combustion cavity (21). Each of the at least one air duct (30) has an air inlet hole (11) formed in the first enclosing plate (10), and an air outlet hole (22) formed in the second enclosing plate (20).

A flared cone for a mixer assembly includes an annular conical wall extending circumferentially about a mixer assembly centerline, the annular conical wall including a conical inner surface defining a conical opening of the annular conical wall, and an annular axial wall extending in a longitudinal direction relative to the mixer assembly centerline, the annular axial wall being disposed radially outward of the annular conical wall and connected to the annular conical wall. The annular conical wall and the annular axial wall define an annular step circumferentially about the mixer assembly centerline and extending upstream in the longitudinal direction between a downstream end of the annular conical wall and a rear surface of the annular axial wall.

The invention is entitled "Combustor Cooling Structure". A combustor (100) includes a body (106) having an outer surface (112) and at least partially defining an interior (138). The body (106) also includes an upstream end (102) axially spaced from a downstream end (104). The outer surface (112) includes a combustor face (118) at the downstream end (104) of the body (106). An annular cooling air plenum (146) is defined in the body (106) radially inward from the outer surface (112). A cooling air passage (152) extends from the outer surface (112) to the annular cooling air plenum (146). A plurality of cooling passages (126) are circumferentially spaced from one another along the combustor face (118). Each cooling passage (126) of the plurality of cooling passages (126) extends from a respective inlet (160) in fluid communication with the annular cooling air plenum (146) to a respective outlet (124).