WO2012096319A1 - Dispositif de chaudière - Google Patents

Dispositif de chaudière Download PDF

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Publication number
WO2012096319A1
WO2012096319A1 PCT/JP2012/050412 JP2012050412W WO2012096319A1 WO 2012096319 A1 WO2012096319 A1 WO 2012096319A1 JP 2012050412 W JP2012050412 W JP 2012050412W WO 2012096319 A1 WO2012096319 A1 WO 2012096319A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
air supply
furnace
supply nozzle
air
Prior art date
Application number
PCT/JP2012/050412
Other languages
English (en)
Japanese (ja)
Inventor
折井　明仁
洋文 岡崎
Original Assignee
バブコック日立株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by バブコック日立株式会社 filed Critical バブコック日立株式会社
Priority to EP12734688.0A priority Critical patent/EP2664847B1/fr
Publication of WO2012096319A1 publication Critical patent/WO2012096319A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F23C7/004—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion using vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2201/00—Staged combustion
    • F23C2201/10—Furnace staging
    • F23C2201/101—Furnace staging in vertical direction, e.g. alternating lean and rich zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/06041—Staged supply of oxidant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/07021—Details of lances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/20—Fuel flow guiding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/01001—Pulverised solid fuel burner with means for swirling the fuel-air mixture

Definitions

  • the present invention relates to a boiler device, and more particularly to a boiler device having an air supply nozzle for supplying air into a furnace.
  • a pulverized coal burner is provided in the lower part of the boiler furnace as disclosed in Patent Document 1, and the downstream of the burner (upper part of the boiler) ) Is provided with an after air nozzle, pulverized coal fuel and combustion air are supplied from the burner, and only air is supplied from the after air nozzle.
  • a combustion apparatus such as a pulverized coal fired boiler or an oil fired boiler
  • a means for supplying air to the vicinity of the furnace wall there is a method in which air is swirled in a nozzle and supplied into the furnace as a swirling flow.
  • Patent Document 2 discloses a swirling structure that adjusts the flow pattern of an after-air jet and imparts a straight flow and a swirling flow to air in order to promote mixing.
  • a method of increasing the ratio of the swirling flow and diffusing the air after being ejected from the nozzle by centrifugal force is used.
  • a wall surface flow along the furnace wall surface can be formed by the Coanda effect in which air flows along the wall surface even after ejection from the nozzle.
  • the furnace wall which is a partition wall constituting the boiler furnace, thermally expands as the furnace temperature rises.
  • the upper part of a furnace is supported and suspended. For this reason, the furnace wall moves downward due to thermal expansion.
  • a furnace wall moves to upper direction by thermal expansion.
  • an air supply nozzle such as an after air nozzle is generally provided with a gap (gap) without being brought into close contact with a through-hole communicating with the furnace.
  • the inside of the furnace is controlled to a negative pressure in order to prevent the combustion gas from flowing out of the furnace, and air flows from the gap into the furnace as a leak flow. Since the leak flow goes straight and flows into the furnace, it works in a direction that obstructs the flow of the swirl flow, making it difficult to form a strong wall flow along the wall. Even when a structure (seal member) that prevents the inflow of air between the air supply nozzle and the furnace wall is provided, the flow path rapidly expands in the step portion generated between the air supply nozzle and the furnace wall. Therefore, the flow is separated from the wall surface, and a circulating flow is generated to prevent the air ejected from the nozzle from flowing along the wall surface. For this reason, it becomes difficult to form a flow along the furnace wall surface, and there is a possibility that air is not sufficiently supplied in the vicinity of the furnace wall and an unburned portion remains.
  • Patent Document 3 discloses a nozzle that ejects air along a water pipe wall.
  • the component member protrudes into the furnace, and the nozzle member may be burned by the radiant heat of the burner flame, so that a necessary air jet may not be formed.
  • An object of the present invention is to form a strong swirling flow and form a wall surface flow on the inner wall of the furnace even if there is a gap between the nozzle provided in the through hole of the furnace wall leading to the furnace and the through hole, and a nozzle by radiant heat
  • An object of the present invention is to provide an air supply nozzle that suppresses burning and enhances soundness, and provides a boiler device that is improved in reliability and economy.
  • the present invention relates to a burner that burns fuel supplied into a furnace, a furnace wall that constitutes a furnace in which a water pipe is provided and a through hole is formed, a nozzle that is inserted into the through hole and supplies air into the furnace, and
  • a boiler apparatus having an air supply nozzle having a swirl member that imparts a swirl speed component to air supplied into the nozzle and having a gap between the nozzle and the through hole, the tip position of the air supply nozzle in the through hole Is installed at a distance of 0.8 times or more the nozzle inner diameter from the furnace wall inner surface.
  • the boiler device provided with the air supply nozzle is characterized by having a tube expansion structure in which the nozzle tip portion is directed downstream and the cross-sectional area is expanded.
  • a cylindrical tube expanding member having a cross-sectional area expanding toward the downstream side is provided inside the nozzle.
  • an uneven member is provided at the tip of the nozzle.
  • the furnace inner surface side of the through hole has a tube expansion structure.
  • a structure for preventing the inflow of air is provided at a location where the nozzle contacts the outside of the furnace wall.
  • an adjustment member for adjusting a swirl speed component of the fluid is provided.
  • an air supply nozzle is provided on the downstream side of the burner.
  • the air supply nozzle at least two stages of nozzles for supplying a shortage of combustion air in the burner into the furnace are provided on the downstream side of the burner, and the air supply nozzle is provided as a part of the nozzle. It is provided.
  • the air supply nozzle is provided at a height at which a burner is arranged.
  • the tip of the nozzle is disposed at a distance of 0.8 D or more from the furnace wall inner surface, the flow ejected from the nozzle gradually expands in the radial direction, and the inner wall of the through hole upstream from the through hole outlet. Flowing along. It further expands at the outlet of the through hole and flows along the furnace wall inner surface of the water pipe surface. For this reason, even if there is a gap between the nozzle provided in the through hole leading into the furnace and the through hole, a wall surface flow along the wall can be formed.
  • the air supply nozzle of the present invention When the air supply nozzle of the present invention is installed downstream of the burner, sufficient oxygen can be supplied in the vicinity of the wall, and unburned components and CO existing in the vicinity of the wall are reduced. In addition, when installed at the height where the burner is placed, oxygen can be supplied along the furnace wall surface to suppress corrosion, and because the nozzle does not protrude into the furnace, it can suppress the burning of the nozzle due to radiant heat and reliability. It is possible to provide a highly economical boiler device.
  • the front view of the air supply nozzle by Example 1 of this invention The schematic diagram which shows the AA cross section of FIG. The graph showing the jet state by the presence or absence of L and the clearance gap 24.
  • FIG. The schematic diagram which shows the jet flow in the case of the wall surface flow in FIG. 3 (H area
  • FIG. 1 is a front view of an air supply nozzle 4 according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a cross section AA in FIG.
  • a water pipe 11 is provided on the surface of the furnace wall 1, and the water pipe 11 is also deformed and installed along the shape of the through hole 30 so as not to interfere with the circular through hole 30. Since the furnace wall 1 extends downward due to thermal expansion due to heat in the furnace, a gap 24 is provided between the outer diameter of the nozzle 20 installed in the through hole 30 and the inner diameter of the through hole 30.
  • a circular swirl vane 25 is installed in the nozzle 20 as a swirl member for air.
  • the duct 16 is configured so that the air 15 can be supplied from the through hole 30 into the furnace through the nozzle 20.
  • the air 15 passes through the duct 16 and flows in from an inflow hole 22 provided in the nozzle 20, becomes a swirl flow having a swirl speed component by the swirl vanes 25, flows out from the tip of the nozzle 20, and enters the furnace through the through hole 30. Flowing.
  • the air flow rate is adjusted by the opening degree of the damper 21.
  • the furnace wall 1 and the duct 16 are brought into close contact so that the entire amount of air 15 flows into the furnace, but a gap 26 exists between the duct 16 and the furnace wall 1.
  • FIG. 3 shows the influence of the presence or absence of the gap 24 on the jet flow.
  • the horizontal axis represents a value (L / D) obtained by dividing the distance L from the tip of the nozzle 20 shown in FIG. 2 to the inner surface of the furnace wall 1 by the inner diameter D of the nozzle 20.
  • the vertical axis indicates the presence or absence of the gap 24.
  • ⁇ indicates that the jet flow from the through hole 30 is a wall surface flow ejected along the wall, and ⁇ indicates that it is not a wall surface flow.
  • a hatched portion H in the figure indicates a region where a wall surface flow occurs, and F indicates a non-wall surface flow region.
  • a wall surface flow may occur temporarily, but the wall surface flow cannot be stably maintained if a disturbance due to pressure fluctuation in the furnace is applied. Under the condition of region H, a stable wall flow can be formed without being affected by these disturbances. 3 that the distance L from the tip of the nozzle 20 to the inner surface of the furnace wall 1 needs to be about 0.8 times or more the inner diameter D of the nozzle 20 in order to form a wall flow when there is a gap 24.
  • FIG. 4 shows a schematic diagram of a jet in the case of a wall surface flow corresponding to the region H in FIG. Since the tip position of the nozzle 20 is sufficiently spaced apart from the inner surface of the furnace wall 1 by 0.8D or more, the swirling flow ejected from the nozzle gradually expands in the radial direction, and the flow of the leak flow 23 and the circulation flow 31 is reduced. While being suppressed, it further expands at the outlet of the through hole 30 and becomes a wall surface flow flowing along the inner surface of the furnace wall 1 on the surface of the water pipe 11.
  • FIG. 3 a schematic diagram of a jet flow in the case of a non-wall surface flow corresponding to the region F in FIG. 3 is shown in FIG. Since the tip of the nozzle 20 is near the inner surface of the furnace wall 1, the swirling flow ejected from the nozzle 20 flows out into the furnace before spreading in the radial direction. Since the leak flow 23 flows straight toward the furnace and the circulation flow 31 is inhibited from becoming a wall surface flow, it is difficult to become a stable wall surface flow.
  • the tip position of the nozzle 20 is separated from the inner surface of the furnace wall 1 by 0.8 times or more of the inner diameter D of the nozzle 20.
  • a stable wall flow can be formed without being affected by disturbance due to fluctuations in the pressure in the furnace.
  • FIG. 6 shows a schematic diagram of a nozzle according to Example 2 of the present invention.
  • this nozzle has a tube expansion structure in which the tip of the nozzle 20 is directed downstream and the cross-sectional area is expanded.
  • the second embodiment since the expanded pipe portion 32 provided in the nozzle 20 is directed in the radial direction, the generation of the circulating flow 31 is suppressed, and the swirling flow ejected from the nozzle 20 is easily spread in the radial direction, and is more stable. There is an advantage that a wall flow can be formed.
  • FIG. 7 shows a schematic diagram of a nozzle according to Example 3 of the present invention.
  • This nozzle is provided with a cylindrical tube expansion member 33 whose cross-sectional area expands toward the downstream side at the tip end inside the nozzle 20.
  • the pipe expansion member 33 faces in the radial direction, the swirling flow easily spreads in the radial direction, and the generation of the circulating flow 31 is suppressed, so that a more stable wall surface flow can be formed.
  • the pipe expansion member 33 is inside the nozzle, there is an advantage that the influence of the radiant heat can be reduced.
  • FIG. 8 shows a schematic diagram of a nozzle according to Example 4 of the present invention.
  • This nozzle is provided with an uneven member 34 in which tooth-like or strip-like members are arranged in the circumferential direction at the tip of the nozzle 20.
  • the member 34 disturbs the flow ejected from the nozzle, and the flow is easily diffused in the circumferential direction. For this reason, the flow ejected from the nozzle is easily expanded, and the flow ejected from the nozzle 20 becomes a stable wall surface flow in order to suppress the generation of the circulating flow 31.
  • FIG. 9 shows a schematic diagram of a nozzle according to Example 5 of the present invention.
  • This nozzle has an expanded structure in which an expanded portion 28 that is expanded toward the exit is formed at the exit portion of the through hole 30 of the furnace wall 1.
  • the swirling flow ejected from the nozzle 20 easily spreads in the radial direction at the outlet of the through hole 30 and suppresses the generation of the circulating flow 31, so that there is an advantage that a more stable wall surface flow can be formed.
  • FIG. 10 shows a schematic diagram of a nozzle according to Example 6 of the present invention.
  • a guide vane 29 is provided in which the angle of the radial vanes arranged in the circumferential direction is adjustable.
  • the air flow rate is adjusted by the damper 36.
  • a strong swirl flow that is a wall surface flow can be generated as in FIG.
  • the turning speed component turning strength
  • FIG. 11 shows a schematic diagram of a boiler to which the nozzle structure of the present invention in Example 7 is applied.
  • the lower part of the boiler is provided with a burner 2, and after-air (air) 7 is supplied from an after-air nozzle 3 provided at the upper part of the boiler with a gas 5 including an unburned part rising from the burner part. Is discharged outside the furnace.
  • the lower stage of the after air nozzle 3 is provided with the air supply nozzle 4 of the present invention.
  • air oxygen
  • the air can be mixed uniformly in the furnace, and the unburned portion and CO near the wall can be reduced. Therefore, the combustion rate of the fuel in the furnace is improved, and a highly economical boiler can be provided.
  • FIG. 12 shows a schematic diagram of a boiler to which the air supply nozzle structure of the present invention in Example 8 is applied.
  • an air supply nozzle 4 is provided in the vicinity of the burner 2 below the boiler. In the vicinity of the burner, the oxygen concentration is low and the furnace wall tends to corrode.
  • FIG. 13 shows a BB arrow view of FIG.
  • the burner 2 is only on one side, but the effect is the same even if the burner 2 is on both sides as shown in FIG. Moreover, in FIG. 12 which shows a present Example, although the air supply nozzle 4 is provided in 3 surfaces other than the burner 2 installation surface, it is also possible to provide in the burner 2 installation surface. Moreover, in FIG. 12 which shows a present Example, although the air supply nozzle 4 is provided in the lowest step height of the burner 2, any installation height of the burner 2 below (upstream side) from the after air nozzle 3 may be sufficient.
  • a flow along the wall can be formed, and when applied to an after-air nozzle located downstream of the burner, oxygen is present in the vicinity of the wall. , And the amount of unburned CO present in the vicinity of the wall is reduced.
  • oxygen when applied to the vicinity of the burner, oxygen can be supplied along the surface of the water tube, corrosion of the furnace wall can be suppressed, and the structural material constituting the nozzle does not protrude into the furnace, so that burning of the nozzle member due to radiant heat can be suppressed, A boiler device with high reliability and economy can be provided.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

L'invention concerne un dispositif de chaudière doté d'une fiabilité accrue et d'une efficacité économique avec lequel un écoulement tourbillonnant puissant peut être formé le long de la surface interne d'une paroi de four même lorsqu'il y a un écartement entre une buse ménagée dans un orifice traversant qui communique avec l'intérieur du four et l'orifice traversant, et qui est équipé d'une buse avec laquelle une perte de combustion due à la chaleur rayonnante est supprimée et qui comporte une alimentation en air énergique. Par rapport à une buse pour laquelle un orifice traversant est ménagé dans une paroi de four formée de tuyaux d'eau et où la buse est insérée dans l'orifice traversant pour alimenter en air, un écartement existant entre la buse et l'orifice traversant, la buse est construite de telle sorte que la position de l'embout de la buse est séparée de la paroi intérieure du four d'une distance qui n'est pas inférieure à 0,8 fois le diamètre interne de la buse, et le gaz qui est vaporisé à partir de la buse possède une composante de vitesse de giration.
PCT/JP2012/050412 2011-01-12 2012-01-12 Dispositif de chaudière WO2012096319A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12734688.0A EP2664847B1 (fr) 2011-01-12 2012-01-12 Dispositif de chaudière

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-003617 2011-01-12
JP2011003617A JP5530373B2 (ja) 2011-01-12 2011-01-12 ボイラ装置

Publications (1)

Publication Number Publication Date
WO2012096319A1 true WO2012096319A1 (fr) 2012-07-19

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ID=46507211

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Application Number Title Priority Date Filing Date
PCT/JP2012/050412 WO2012096319A1 (fr) 2011-01-12 2012-01-12 Dispositif de chaudière

Country Status (5)

Country Link
EP (1) EP2664847B1 (fr)
JP (1) JP5530373B2 (fr)
PL (1) PL2664847T3 (fr)
TW (1) TW201248089A (fr)
WO (1) WO2012096319A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4089325A1 (fr) 2021-05-12 2022-11-16 Martin GmbH für Umwelt- und Energietechnik Buse d'injection de gaz dans une installation de combustion dotée d'un tube et d'un générateur tourbillons, conduit de gaz de fumée doté d'une telle buse et procédé d'utilisation d'une telle buse

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Publication number Priority date Publication date Assignee Title
JPH0452414A (ja) 1990-06-19 1992-02-20 Babcock Hitachi Kk 燃焼用空気供給装置
JPH09310807A (ja) 1996-05-24 1997-12-02 Hitachi Ltd 微粉炭燃焼装置及び燃焼方法
JP2001355832A (ja) * 2000-06-15 2001-12-26 Babcock Hitachi Kk エアポート構造
JP2004125184A (ja) * 2002-09-30 2004-04-22 Samson Co Ltd 自己再循環バーナ
JP2006132811A (ja) * 2004-11-04 2006-05-25 Babcock Hitachi Kk 燃料燃焼用空気ポート、その製造方法及びボイラ
WO2007105335A1 (fr) * 2006-03-14 2007-09-20 Babcock-Hitachi Kabushiki Kaisha Orifice d'injection de gaz dans un four
JP2009174751A (ja) 2008-01-23 2009-08-06 Mitsubishi Heavy Ind Ltd ボイラ構造
JP2009250532A (ja) * 2008-04-07 2009-10-29 Hitachi Ltd 微粉炭焚きボイラ

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JPH01167514A (ja) * 1987-12-22 1989-07-03 Babcock Hitachi Kk アフタエア供給装置
FI103904B1 (fi) * 1995-04-06 1999-10-15 Ahlstrom Machinery Oy Menetelmä ja laite ilman syöttämiseksi tulipesään
JPH09112816A (ja) * 1995-10-11 1997-05-02 Babcock Hitachi Kk アフタエア供給装置
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Publication number Priority date Publication date Assignee Title
JPH0452414A (ja) 1990-06-19 1992-02-20 Babcock Hitachi Kk 燃焼用空気供給装置
JPH09310807A (ja) 1996-05-24 1997-12-02 Hitachi Ltd 微粉炭燃焼装置及び燃焼方法
JP2001355832A (ja) * 2000-06-15 2001-12-26 Babcock Hitachi Kk エアポート構造
JP2004125184A (ja) * 2002-09-30 2004-04-22 Samson Co Ltd 自己再循環バーナ
JP2006132811A (ja) * 2004-11-04 2006-05-25 Babcock Hitachi Kk 燃料燃焼用空気ポート、その製造方法及びボイラ
WO2007105335A1 (fr) * 2006-03-14 2007-09-20 Babcock-Hitachi Kabushiki Kaisha Orifice d'injection de gaz dans un four
JP2009174751A (ja) 2008-01-23 2009-08-06 Mitsubishi Heavy Ind Ltd ボイラ構造
JP2009250532A (ja) * 2008-04-07 2009-10-29 Hitachi Ltd 微粉炭焚きボイラ

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* Cited by examiner, † Cited by third party
Title
See also references of EP2664847A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4089325A1 (fr) 2021-05-12 2022-11-16 Martin GmbH für Umwelt- und Energietechnik Buse d'injection de gaz dans une installation de combustion dotée d'un tube et d'un générateur tourbillons, conduit de gaz de fumée doté d'une telle buse et procédé d'utilisation d'une telle buse
DE102021002508A1 (de) 2021-05-12 2022-11-17 Martin GmbH für Umwelt- und Energietechnik Düse zum Einblasen von Gas in eine Verbrennungsanlage mit einem Rohr und einem Drallerzeuger, Rauchgaszug mit einer derartigen Düse und Verfahren zur Verwendung einer derartigen Düse

Also Published As

Publication number Publication date
JP5530373B2 (ja) 2014-06-25
EP2664847A4 (fr) 2015-05-20
JP2012145267A (ja) 2012-08-02
TW201248089A (en) 2012-12-01
PL2664847T3 (pl) 2017-09-29
EP2664847B1 (fr) 2017-04-26
EP2664847A1 (fr) 2013-11-20

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