31results 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).

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.

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.

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.

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.

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.

A feed injector for a gasifier includes a burner and a cooling jacket protecting the burner from high temperatures. The cooling jacket includes two concentric channels to provide a flow path for a heat transfer fluid (typically water) to travel through one channel toward the front of the burner, along the front of the burner, and back 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 angles bordering the recirculation zone in the cooling jacket.

A multi-tube burner system for efficient mixing of fuel and air for combustion is disclosed. The multi-tube burner system includes an air supply plenum, a multi-tube burner, and a combustor. Further, the multi-tube burner includes a set of tubes including the air supply section to receive combustion air and supply the received combustion air to a mixing section. Furthermore, the multi-tube burner includes a set of fuel pipes to receive fuel from a set of fuel inlets and supply the received fuel to a set of fuel plenums. Furthermore, a pair of fuel receiving channels receive the fuel from the set of fuel plenums and a fuel injector pin injects the received fuel from the pair of fuel receiving channels to the mixing section. Further, a set of mixing holes allow egression of the combustion air and the fuel mixture from the mixing section to the combustor.

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

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.

Provided are an operation method of a gasification furnace capable of stably operating the gasification furnace for a long period of time, a gasification furnace, a two-stage gasification device, a gasification method of an organic raw material, and a two-stage gasification method of an organic waste. The operation method of the gasification furnace includes: directly or indirectly feeding a compound containing an alkali metal to a gasification furnace in which an organic raw material is fed to generate a gas and a slag, and reducing the viscosity of the slag.

The present invention relates to a burner. At least one first passage, at least one second passage and a mixing chamber are formed in the burner, and the mixing chamber is respectively connected to an outlet of the first passage and an outlet of the second passage, so that a first fluid and a second fluid are mixed in the mixing chamber to form a fluid mixture; wherein the burner includes a nozzle, and at least one through passage fluidly connected to the mixing chamber is formed in the nozzle, so that the fluid mixture flows out from the at least one through passage, and wherein the sum of the sectional areas of the at least one through passage is smaller than the sectional area of the mixing chamber.

A combined combustion burner (100, 200) and a combustion apparatus including the combined combustion burner (100, 200). The combined combustion burner (100, 200) may include a center tube(130) forming a center passage(135) configured to supply cooling air, a fuel tube(120) surrounding the center tube(130) and forming a fuel passage(125) through which premixed fuel mixed with solid fuel and primary air is sprayed, a secondary tube(140) surrounding the fuel tube(120) and forming a secondary passage(145) through which secondary air (SA1) is sprayed, and an additional spray nozzle(170, 271, 272, 273, 274) inserted inside the center tube(130) and configured to spray auxiliary fuel(AM1) containing ammonia.