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WO/2023/204103A1 |
This powder fuel burner is installed in a combustion chamber of a boiler, the powder fuel burner comprising: a cylindrical air-fuel mixture transport pipe to which an air-fuel mixture of powder fuel and transport air is transported, the ...
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WO/2023/204102A1 |
This pulverized fuel burner is installed in a combustion chamber of a boiler and comprises: a cylindrical mixed gas transport tube to which a mixed gas obtained by mixing pulverized fuel and transport air is transported, and which ejects...
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WO/2023/202053A1 |
A pulverized coal deep low-oxygen combustion system, comprising a boiler flue gas extraction fan (5) and a mixer (8), wherein an over-fire air nozzle (17) is provided above a main boiler burner (14); an inlet of the boiler flue gas extra...
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WO/2023/194903A1 |
The present invention relates to a method of mixing a primary gas comprising an oxidizer with iron powder having an average particle diameter between about 10 µm to 150 µm to form a primary mixture; and b) igniting and combusting the p...
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WO/2023/191619A1 |
A burner process for iron fuel combustion, comprising the steps of: providing an iron fuel suspension medium comprising iron fuel and oxygen in a suspension solid density of between 2 to 15 kg/Nm3 and more preferably of between 4 to 8 kg...
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WO/2023/183614A1 |
Apparatus and methods of drilling using a bitless drilling assembly can include a propellant chamber configured to store a liquid propellant for drilling. The bitless drilling assembly can include a burner nozzle connected to the propell...
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WO/2023/156846A1 |
A pulverized solid fuel nozzle tip assembly (36) with a low contact frame for use with a pulverized solid fuel pipe nozzle (38) is described. The pulverized solid fuel nozzle tip assembly (36) has an outer nozzle tip portion (46) adapted...
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WO/2023/140164A1 |
The purpose of the present invention is to suppress damage to a furnace wall part of a furnace. This burner (21) combusts a fuel sprayed into a furnace surrounded by a furnace wall (101) and forms a revolving flame inside the furnace. Th...
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WO/2023/127121A1 |
A cyclone burner which is inserted into a burner throat drilled in the wall of a down-shot furnace, the cyclone burner comprising: a cyclone concentrator that is configured by including a cylindrical part to which a mixed fluid of solid ...
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WO/2023/120700A1 |
Provided is a burner capable of exclusively burning a pulverized fuel and capable of exclusively burning an ammonia fuel. The burner comprises: an inner tube nozzle (61) that extends along a center axial line (CL) and that supplies a liq...
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WO/2023/096938A1 |
A Venturi device with a primary flow path and a secondary flow path introduced into the primary flow path, wherein a flow of one or more flowable mediums in the primary flow path and the secondary flow path creates a vortex generating a ...
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WO/2023/080789A1 |
The present invention relates to an iron fuel combustion arrangement, comprising a combustion chamber and a burner arrangement, said combustion chamber being arranged for combustion of an iron fuel suspension medium comprising iron fuel ...
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WO/2023/062876A1 |
A combustion device (100) comprises: an ammonia injection nozzle (41) with an injection port (41c) facing the interior space of a furnace (2); a pulverized coal injection nozzle (43) with an injection port (43b) facing the interior space...
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WO/2023/037867A1 |
In the present invention burners in a boiler are arranged separately as ammonia burners and fine powdered coal burners. Specifically, a boiler according to a number of embodiments of the present invention includes: a furnace that include...
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WO/2023/028697A1 |
There is provided a continuous combustion system for iron particles. The system comprising a multi-annular combustion tube defining in cross-section at least three distinct passages from its inlet to its outlet. A first tube that is inne...
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WO/2023/286042A1 |
A pulverized solid fuel nozzle tip assembly (36) for use with a pulverized solid fuel pipe nozzle (38) to issue a stream of pulverized solid fuel and air (35) to a pulverized solid fuel-fired boiler (10) is described. The pulverized soli...
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WO/2022/258811A1 |
A method for online monitoring and determining the calorific value of a solid fuel that is currently combusted in a boiler that comprises a combustion chamber (10) with a steam production system, to which the solid fuel is fed from at le...
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WO/2022/188375A1 |
A pulverized coal boiler integrated comprehensive adjustment method based on water-cooled wall high-temperature corrosion prevention and control. The method comprises the following steps: during boiler shutdown, adding a reducing atmosph...
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WO/2022/180735A1 |
Provided is a cement kiln burner that enables wind velocity to be adjusted according to the degree of combustibility of fuel without changing the airflow rate of fluid blown from channels. Also provided is a method for operating the ceme...
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WO/2022/126074A1 |
A system and method of igniting a coal air-fuel mixture, including a burner (14) having a burner tube (100) operable to carry a flowing mixture of fuel and air to a furnace for combustion therein and a first flow directing device (118) d...
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WO/2022/076477A2 |
A multi-fueled impulse initiator that includes a fuel source equipped with a control valve, an air source equipped with a control valve, a removable air flow insert having opposing inlet and outlet faces, an air expansion chamber fluidly...
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WO/2022/073031A1 |
A nozzle tip for a pulverized solid fuel pipe nozzle of a pulverized solid fuel-fired furnace is provided. The nozzle tip includes an inner nozzle portion and an outer nozzle portion that receives therein the inner nozzle portion. The ou...
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WO/2022/042732A1 |
A two-channel burner and a multi-channel single-cone burner. The two-channel burner comprises a pulverized coal supply mechanism (1), a transition channel (2), an inner secondary airflow guide tube (3), an outer secondary airflow guide t...
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WO/2022/028275A1 |
Disclosed is a wall-arranged giant ring-shaped direct-current pulverized coal burner, which comprises burner nozzles arranged on four side furnace walls of a boiler. The burner nozzles on the four side furnace walls form a wall-type tang...
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WO/2022/024552A1 |
The purpose of the present invention is to improve the ignition of cyclone burners. A cyclone burner (100, 200) which is inserted into a burner throat (31) drilled in the wall (30) of a furnace (21) comprises: a cyclone concentrator (2) ...
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WO/2022/024386A1 |
The purpose of the present invention is to improve ignition in a cyclone burner. A cyclone burner (100, 200) that is inserted in a burner slot (31) drilled in a wall part (30) of a furnace (21) is composed of: a cylindrical part (2a) tha...
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WO/2021/174979A1 |
Disclosed are a multi-coal-type adaptive combustion system and method suitable for a W flame boiler. The system comprises a downward-injection secondary air nozzle (3), downward-inclination secondary air nozzles (4) and burn-out air nozz...
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WO/2021/150417A1 |
A nozzle tip for a pulverized solid fuel pipe nozzle of a pulverized solid fuel-fired furnace is provided. The nozzle tip includes a primary shroud having an inlet end and an outlet end, and an outlet at the outlet end for the passage of...
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WO/2021/091812A1 |
A system and method uses a combustor and gasifier to burn a primary dirty fuel, such as waste materials or high-polluting fossil fuels, and a secondary low-polluting fuel, such as biomass fuels, for co-generation of electricity while red...
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WO/2021/069703A1 |
Burner (100) for producing a flame in a combustion chamber (200) of an annular vertical shaft kiln (300) comprising: a. a first innermost sleeve (101) having a bore (104) and a distal extremity (112) directed through the inside of the sa...
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WO/2021/045697A1 |
The invention relates to a production method of a burner assembly comprising a metal lower body (20) in the form of a container provided with a gas inlet (14) and a cover (10) which is hermetically fitted to the lower body (20) rim part ...
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WO/2020/234965A1 |
Provided is a solid fuel burner such that it is possible to reduce unburned content and CO while suppressing generation of NOx. This solid fuel burner comprises: a solid fuel nozzle (10) that ejects a fluid mixture of solid fuel and prim...
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WO/2020/230578A1 |
Provided is a solid fuel burner capable of reducing unburned portions, CO, and the like, while suppressing generation of NOx. A solid fuel burner (5) which is inserted into a burner throat (28) drilled in a wall part (19) of a furnace (2...
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WO/2020/230245A1 |
Provided is a solid fuel burner that can reduce unburned fuel and CO while suppressing generation of NOx. A solid fuel burner (5) which is inserted into a burner throat (28) drilled into the wall (19) of a furnace (2) comprises: a solid ...
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WO/2020/213091A1 |
Disclosed are: a powder burner device in which even coarsely ground biomass powder can be used as an industrial fuel; and a combustion device of which the operation can be stably and high efficiently controlled using said burner device. ...
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WO/2020/207318A1 |
A multistage backflow reverse injection type swirl pulverized coal burner (100), comprising: a pre-burning housing (110) having a pre-burning chamber (111) and a housing outlet located on one side of the pre-burning chamber (111); a prim...
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WO/2020/188772A1 |
Provided is a cement kiln burner device that can freely form a desired combustion state according to the fuel used during an operation. The present invention relates to a cement kiln burner device including a plurality of flow channels...
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WO/2020/179593A1 |
A fuel concentrator (34), which is provided toward the center of a fuel nozzle (21) and which imparts to a mixed fluid a velocity component away from the center of the fuel nozzle (21), is configured so as to have a plurality of blades (...
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WO/2020/178880A1 |
A fuel concentrator (34), which is provided toward the center of a fuel nozzle (21) and which imparts to a mixed fluid a velocity component away from the center of the fuel nozzle (21), is configured so as to have a plurality of blades (...
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WO/2020/165357A1 |
The invention relates to a fuel nozzle (100) for a burner for burning particulate fuel, in particular powdered, carbon-containing fuel such as coal or biomass, the fuel nozzle comprising a fuel pipe portion (110), which is to be associat...
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WO/2020/153404A1 |
The present invention is provided with: a venturi (33) that constricts a channel (24) for a mixed fluid in a fuel nozzle (21) toward the center in a cross-section of the channel; a fuel enricher (34) that imparts a velocity component in ...
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WO/2020/152867A1 |
The present invention is provided with a venturi (33) in which a mixed fluid channel (24) in a fuel nozzle (21) narrows in the channel cross section toward the center, a fuel concentrator (34) that applies a velocity component away from ...
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WO/2020/145090A1 |
Provided is a burner that can reduce variations in a burner body distal end positional error at the time when inserting the burner body. A burner (161) comprises: a burner body (162); a plurality of drive cylinders (163) that are dispose...
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WO/2020/136334A1 |
The invention relates to a burner (1) comprising an annular fuel-transport circuit (2) delimited by an inner tube (3) and an outer tube (4) which are substantially concentric along a longitudinal axis (X), said circuit having: - an upstr...
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WO/2020/120828A1 |
A method for burning fuel is disclosed. The method comprises supplying cold non- preheated combustion air and dust fuel into a combustion chamber of a boiler through a burner (10) for producing a flame, the combustion air comprising prim...
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WO/2020/105811A1 |
The present invention relates to a burner with a plate having cooling and steam generating functions, the burner comprising: a burner body comprising a burner body assembly configured such that cooling water is introduced therein and dis...
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WO/2020/083934A1 |
The present invention relates to a fluid energy machine (1), for example a gas turbine or similar combustion engine for the production of energy or for use as a propulsion unit, comprising a combustion chamber (2) with a combustion space...
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WO/2020/065787A1 |
Provided is a burner apparatus for a cement kiln, which strongly forms a floating state of combustible solid waste in the cement kiln, and easily ignites the combustible solid waste in a floating state; provided also is a method for oper...
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WO/2020/065786A1 |
Provided is a burner apparatus for a cement kiln, which strongly forms a floating state of combustible solid waste in the cement kiln, and easily ignites the combustible solid waste in a floating state; provided also is a method for oper...
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WO/2020/054748A1 |
A combustion apparatus (4) which injects and combusts ammonia as fuel and is installed in a furnace (2), the combustion apparatus (4) being equipped with: an inner-cylinder nozzle (41) which injects ammonia and is positioned in the cente...
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