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JP2021148311A |
To provide a pulverized coal burner that can efficiently mix combustible gas and pulverized coal while separating flow paths for the combustible gas and the pulverized coal.A pulverized coal burner according to one aspect of the present ...
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JP6937061B2 |
A powder burner device which can utilize a coarsely pulverized biomass powder as an industrial fuel and a combustion furnace which can be operated stably and efficiently by using the burner device are disclosed. The powder burner device ...
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JP6925817B2 |
To provide a pulverized coal burner capable of easily suppressing or preventing outflow of a pulverized coal-air mixture into a secondary air supply passage, a method for controlling the pulverized coal burner and a boiler.A pulverized c...
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JP6926009B2 |
The purpose of the invention is to improve ignition properties while maintaining internal flame stabilization. Provided is a combustion burner (21) comprising a fuel nozzle (61), an air nozzle (62) for combustion, a plate-shaped first me...
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JP6925811B2 |
The present invention enables reduction of the amount of NOx generation by promoting combustion of fixed carbon and discharge of combustible volatile matter included in fuel, while suppressing release of an unburnt part of fuel to a furn...
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JP6917328B2 |
To provide a burner device for a cement kiln which strongly forms a floating state of a combustible solid refuse in the cement kiln, and facilitates ignition of the combustible solid refuse in the floating state, and an operation method ...
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JP6907242B2 |
A pre-ignition conduit for a pulverized fuel nozzle includes a duct having first and second opposing end portions, the first end portion configured to face an outlet of an igniter. The conduit further includes a cone-shaped concentrator ...
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JP6904074B2 |
To make a burner efficiently burnable by any fuel powder with different characteristics and shapes.A burner includes an external cylinder nozzle and an internal cylinder nozzle disposed in the external cylinder nozzle along the external ...
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JP6902316B2 |
To provide a pulverized-coal burner capable of stably igniting and burning pulverized coat even in a low burning region.A pulverized-coal burner comprises a burning controller 25 which performs proportional control over opening levels of...
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JP6879771B2 |
To reduce NOx generation amount while suppressing corrosion of a furnace wall caused by generation of hydrogen sulfide and interference with flames of other adjacent combustion burners.A combustion burner includes: a fuel nozzle 110 form...
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JP6880577B2 |
To provide a mounting method of a ceramic and a burner structure which can prevent falling of the ceramic without being affected by radiation heat.In a mounting method of a ceramic for mounting a ceramic liner 30 on a burner nozzle 10, a...
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JP6879796B2 |
To relax a bending stress by effectively absorbing displacement caused by thermal expansion and to enhance durability by decreasing the weight load resulting from an intermediate pipe member.A burner 1 comprises a guide cylinder 4 with o...
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JP6874568B2 |
To prevent unstable combustion even when pulverized coal amount supplied to a burner is fluctuated in a combustion system having the burner enabling angular adjustment of turning vanes for turning secondary air.A combustion system includ...
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JP6871422B2 |
A solid fuel burner is provided with a guide member arranged on an outer circumferential section of a distal end of a first gas nozzle so as to guide a fluid flowing through a second flow passage outward in a radial direction; and a cont...
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JP6826365B2 |
To provide a power combustion device and a power combustion method capable of reducing NOx.A power combustion device for burning powdery combustibles F includes a powder mixed air injection cylinder 1 for injecting powder mixed air M whi...
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JP6818136B2 |
This solid fuel burner is provided with: a venturi tube in which a channel for mixed fluid in a fuel nozzle narrows toward the center in the channel cross section; a fuel concentrator that imparts, to the mixed fluid, a velocity componen...
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JP6818177B1 |
To provide a burner repair method, a burner, a boiler and a power plant capable of repairing a damaged part quickly and by a simple method even when a damaged part occurs in the burner main body. This is a method for repairing a burner i...
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JP6813533B2 |
A burner characterized by being equipped with: a fuel supply nozzle to which a mixed flow of a solid fuel and a solid fuel transport gas is supplied; a flow passage that is arranged on the outside of the fuel supply nozzle and that suppl...
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JP6804318B2 |
Provided is a combustion burner (100A) provided with a fuel nozzle (110), a secondary air nozzle (120), a secondary air flow channel (121) formed between the secondary air nozzle (120) and the fuel nozzle (110), a secondary air introduct...
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JP6799687B1 |
Provided is a cement kiln burner device capable of freely forming a preferable combustion state in an operating operation according to the fuel used. The present invention is a burner device for cement kiln provided with a plurality of f...
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JP6799686B2 |
A cement kiln burner device includes a powdered-solid-fuel flow channel having means for swirling a powdered-solid-fuel flow; a first air flow channel placed inside the powdered-solid-fuel flow channel to be adjacent to the powdered-soli...
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JP6789786B2 |
To enable damage of pulverized-coal pipe to be prevented while holding supporting of a current plate irrespective of elongation or shrinkage of the current plate under influence of heat and to restrict wearing caused by pulverized-coal m...
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JP6792102B1 |
To provide a solid fuel burner that can reduce unburned components and CO while suppressing the generation of NOx. A solid fuel burner (5) inserted into a burner throat (28) drilled in the wall (19) of the furnace (2), and a solid fuel n...
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JP6785972B2 |
A cement kiln burner device includes a powdered-solid-fuel flow channel having means for swirling a powdered-solid-fuel flow; a first air flow channel placed outside the powdered-solid-fuel flow channel having means for swirling an air f...
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JP6737005B2 |
To provide a burner that can reduce an amount of emission of NO.A pulverized-coal burner 1 includes: a burner nozzle 2 for jetting a mixed flow F1 of pulverized coal and air; a burner duct 3 for supplying secondary air F2 from around the...
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JP6715026B2 |
To provide a boiler capable of suppressing adhesion of slag while inhibiting deterioration of a combustion state in a furnace.A boiler includes: a furnace; a burner unit that is installed on a wall surface of the furnace, has one tip por...
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JP6714768B2 |
Provided is an apparatus for removing a bird nest of a blast furnace, including a pulverized coal lance connected with a combustion zone inside the blast furnace to inject pulverized coal, a flux wired capsule supplied to the bird nest a...
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JP2020041748A |
To inhibit a nitrogen oxide from increasing in a boiler capable of burning ammonia as fuel.A burner 4 attached to a furnace and capable of burning ammonia as fuel, comprises an inner cylinder nozzle 41 disposed in the center part thereof...
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JP6667311B2 |
A combustion burner includes a fuel nozzle configured to blow in fuel gas of solid fuel and air, a combustion air nozzle configured to blow in air from the outside of the fuel nozzle, and at least one flame stabilizer arranged on the axi...
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JP6655947B2 |
To provide a modification method of a burner unit which enables improvement of operation efficiency and extension of burner's life, and to provide the burner unit and a boiler.The invention relates to a modification method of a burner un...
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JP2020030037A |
To provide a solid fuel burner that secures ignitability and flame holding performance in a fuel nozzle, provide a solid fuel burner that achieves cost reduction by, for example, simplifying a structure of a fuel nozzle, and secures igni...
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JP6654777B2 |
The invention provides a burner array for a reduction reactor 100, wherein the burner array includes multiple burners 200 disposed on a wall 101 of the reduction reactor to allow an inner temperature in the reduction reactor 100 to reach...
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JP3225254U |
To provide a burner nozzle which enables replacement of a front nozzle and surely prevents a bolt for connecting a front nozzle and a rear nozzle from falling. A connecting portion for connecting a front nozzle and a rear nozzle of a bur...
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JP2020024061A |
To provide a solid fuel burner excellent not only in combustion performance at a time of a low load but also in ignitability and flame stability.The solid fuel burner according to the present invention, is characterized by comprising: a ...
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JP6642912B2 |
A combustion burner includes a plurality of splitters (5), (6), (7) configured to divide a fuel gas flow by a widened portion where a width of the widened portion increases as the widened portion extends in the direction of the fuel gas ...
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JP6640591B2 |
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JP6632841B2 |
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JP6632776B1 |
Support for solid fuel by covering the outer circumference of the support sleeve (32) with respect to the support sleeve (32) arranged coaxially and radially inward with the fuel nozzle (21) that ejects a mixed fluid of solid fuel and ai...
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JP6632226B2 |
A burner equipped with: an inside gas nozzle extending along an axis line while surrounding that axis line and capable of supplying to a furnace an oxygen-containing gas for inside combustion; a fuel supply nozzle that, when viewed in th...
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JP6616152B2 |
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JP6615252B2 |
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JP6615461B2 |
The igniter lance (1) comprises a lance fuel duct (2) for pulverised fuel and an electric igniter (3) for ignition of the pulverized fuel passing through the lance fuel duct (2).
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JP6596351B2 |
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JP2019148368A |
To provide a flame holder which can remove deposits, such as combustion ash, generated by combustion in a boiler furnace and adhering to the flame holder and inhibit corrosion of the flame holder caused by the deposits, and to provide a ...
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JP6570969B2 |
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JP6560885B2 |
In this combustion burner and boiler, interference of ignition in a flame stabilizer is suppressed and flame stabilizing performance is improved by providing: a fuel nozzle which ejects a fuel gas that is a mixture of pulverized coal and...
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JP2019132560A |
To improve ignition performance, in a combustion burner.A combustion burner comprises: a fuel gas transport pipe 51 for transporting a fuel gas which is obtained by mixing fine powder fuel and air; a fuel nozzle 53 attached to a tip of t...
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JP2019128080A |
To improve workability of maintenance work of a fuel nozzle in a combustion burner, a combustion device and a boiler.The combustion burner comprises: a fuel nozzle 61 for ejecting a fuel gas 301; a combustion air nozzle 62 for ejecting a...
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JP2019518103A |
The present invention provides a method and an apparatus for mixing a vaporizing agent and burning it in advance. The device for mixing and pre-burning the vaporizer includes a vaporizer body, a coal powder transport pipe, a coal-contain...
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JP2019090571A |
To enable adjustment of a flow rate deviation of secondary air while maintaining the flat shape of a fuel nozzle.In a solid fuel burner according to this invention, an outlet cross-sectional shape of a fuel nozzle is flat, the shape of a...
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