WO2019220597A1 - サポートスリーブ保護部材およびこれを備えた固体燃料バーナ - Google Patents

サポートスリーブ保護部材およびこれを備えた固体燃料バーナ Download PDF

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Publication number
WO2019220597A1
WO2019220597A1 PCT/JP2018/019172 JP2018019172W WO2019220597A1 WO 2019220597 A1 WO2019220597 A1 WO 2019220597A1 JP 2018019172 W JP2018019172 W JP 2018019172W WO 2019220597 A1 WO2019220597 A1 WO 2019220597A1
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WO
WIPO (PCT)
Prior art keywords
support sleeve
protection member
solid fuel
fuel
fuel nozzle
Prior art date
Application number
PCT/JP2018/019172
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
岡田　修
昌平 水戸
勝輝 栗栖
圭一郎 福島
Original Assignee
三菱日立パワーシステムズ株式会社
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 三菱日立パワーシステムズ株式会社 filed Critical 三菱日立パワーシステムズ株式会社
Priority to JP2019537848A priority Critical patent/JP6632776B1/ja
Priority to AU2018423543A priority patent/AU2018423543B2/en
Priority to PCT/JP2018/019172 priority patent/WO2019220597A1/ja
Priority to KR1020197021309A priority patent/KR102266012B1/ko
Priority to TW108116852A priority patent/TWI715981B/zh
Publication of WO2019220597A1 publication Critical patent/WO2019220597A1/ja
Priority to PH12020551887A priority patent/PH12020551887A1/en

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Classifications

    • 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
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/30—Wear protection

Definitions

  • the present invention relates to a protective member for a support sleeve that supports members such as an oil burner and a fuel concentrator provided in a fuel nozzle of a solid fuel burner, and a solid fuel burner including the same.
  • Patent Documents 1-7 below With respect to solid fuel burners used in boilers used in thermal power plants and the like, the techniques described in Patent Documents 1-7 below are conventionally known.
  • Patent Document 1 US Pat. No. 6,474,250
  • a mixed flow of coal and primary air is supplied from the supply port (50) to the nozzle, and the merged portion of the supply port (50)
  • a sleeve (88) is provided that protects the tube (86) penetrating the central portion of the nozzle from ablation.
  • Patent Document 2 Korean Patent Publication No. 2002-0024430 discloses a cylindrical member (900) on the outer periphery of an oil burner (500) in an elbow portion bent in a solid fuel supply path in a solid fuel burner. A configuration in which is supported is described. Patent Document 2 describes a configuration in which a tubular member (900) is formed in a streamlined shape with a downward cross section so that a fluid containing pulverized coal from below is guided outward from an oil burner (500). Has been.
  • Patent Literature 3 Japanese Patent No. 3986182
  • Patent Literature 4 Japanese Patent No. 3344694
  • Patent Literature 5 Japanese Patent No. 3634461
  • Patent Literature 6 Japanese Patent Laid-Open No. 9-318014
  • Patent Literature 7 Patent No. 3099109 describes an example in which a pulverized coal combustion burner is provided with an oil gun (oil burner) that penetrates the pulverized coal nozzle (fuel nozzle) and assists combustion at the start of the burner or low-load combustion. Has been.
  • oil gun oil gun
  • members (not shown) that support members such as a fuel concentrator (obstacle 32 of Patent Document 3) are disposed inside the solid fuel burner.
  • a member (not shown) that supports the oil gun on the outer peripheral side may be provided.
  • the outer cylinder member of the oil gun, the member that supports the oil gun, or the member that supports the fuel concentrator is called a support sleeve, and is formed in a long cylindrical shape that extends to the vicinity of the opening of the pulverized coal nozzle (fuel nozzle). ing.
  • Patent Documents 3 to 7 have a configuration in which a short cylindrical member covering the outer periphery of an oil gun (oil burner) is disposed in an elbow (shoulder-shaped bent portion) upstream of the pulverized coal nozzle. This member is provided on the outer peripheral side of the support sleeve described above.
  • FIG. 8 is an explanatory view of an example of a conventional protective cylinder of an elbow part
  • FIG. 8 (A) is a sectional view of a main part
  • FIG. 8 (B) is a perspective view.
  • the protective cylinder is fixed through the nozzle.
  • the protective cylinder 01 is provided with the flange 02 of the elbow portion inclined portion.
  • This is a cast product that is integral with the collision plate 03 provided in a semicircular shape.
  • the progress of wear is not uniform in the longitudinal direction of the protective cylinder, and there is a case where a specific narrow area is concentrated and eroded considerably locally.
  • the present invention has a technical problem of reducing the number of replacements without waste of parts during replacement, as compared with a configuration in which the support sleeve protection member is replaced integrally with the collision plate.
  • the support sleeve protection member of the invention according to claim 1,
  • a support sleeve protection member Arranged in a region corresponding to a bent portion in the middle of the transport path of the mixed fluid in the fuel nozzle, Formed in a cylindrical shape detachable from the support sleeve, It is characterized by that.
  • the invention according to claim 2 is the support sleeve protection member according to claim 1, It is characterized in that it is configured separately from a collision protection member for protecting a region where solid fuel collides with the inner surface of the fuel nozzle.
  • the invention according to claim 3 is the support sleeve protection member according to claim 1, In the cross-section along the axial direction of the support sleeve, the support sleeve is formed in a point-symmetric shape with the central portion in the axial direction as the center.
  • the invention according to claim 4 is the support sleeve protection member according to claim 1, It is formed at the end in the axial direction, and is formed along the inner surface of the bent portion of the fuel nozzle, and rotates around the inner surface of the bent portion to suppress the rotation of the support sleeve in the circumferential direction.
  • An inclined portion having a stopping function is provided.
  • a solid fuel burner according to claim 5 is provided.
  • a cylindrical fuel nozzle that ejects a mixed fluid of solid fuel and air, wherein the fuel nozzle is provided with a bent portion in the middle of the transport path of the mixed fluid;
  • a support sleeve disposed coaxially with the fuel nozzle and radially inside the downstream of the bent portion in the flow direction of the mixed fluid;
  • a support sleeve protection member that is disposed in a region corresponding to the bent portion, covers the outer periphery of the support sleeve and is formed in a cylindrical shape that can be attached to and detached from the support sleeve, and protects the solid fuel from colliding with the support sleeve When, It is provided with.
  • the invention according to claim 6 is the solid fuel burner according to claim 5, A collision protection member having a collision protection part for protecting a region where solid fuel collides with the inner surface of the fuel nozzle, and a cylinder part covering the outer periphery of the support sleeve;
  • the support sleeve protection member mounted on the outer periphery of the cylindrical portion of the collision protection member; It is provided with.
  • the invention according to claim 7 is the solid fuel burner according to claim 5, A positioning portion that is formed at a position corresponding to an end portion in the axial direction of the support sleeve protection member, and performs positioning by contacting the end portion of the support sleeve protection member; It is provided with.
  • the support sleeve protection member can be removed once and rotated around the symmetry point for attachment. Therefore, when one surface side of the support sleeve protection member is worn, the opposite surface can be made to face the side where the wear is remarkable by rotating around the symmetry point. Therefore, the life of the support sleeve protection member can be extended compared to a configuration that cannot be rotated.
  • the support sleeve protection member can be prevented from rotating due to the collision of the solid fuel and the vibration during operation, compared with the case where the rotation prevention function is not provided.
  • the support sleeve protection member is formed separately from the other collision protection member, and the support sleeve protection member and the other collision protection member can be exchanged separately. Therefore, when replacing the support sleeve protection member, waste of parts can be reduced and costs can be reduced compared to a configuration in which another collision protection member is also replaced.
  • the seventh aspect of the invention it is possible to suppress the shift of the position of the support sleeve protection member as compared with the case where the positioning portion is not provided, and it is possible to minimize the fixed parts.
  • FIG. 1 is an explanatory diagram of a solid fuel burner according to a first embodiment.
  • FIG. 2 is an enlarged explanatory view of the elbow part of the first embodiment.
  • 3A and 3B are explanatory views of the support sleeve protection member of Example 1
  • FIG. 3A is a cross-sectional view along the axial direction
  • FIG. 3B is a view seen from the direction of arrow IIIB in FIG. It is.
  • FIG. 4 is an operation explanatory view of the support sleeve protection member of Example 1
  • FIG. 4 (A) is an explanatory view showing a state where the lower surface of the support sleeve protection member is worn
  • FIG. 4 (B) is a view of FIG. 4 (A).
  • FIG. 5A and 5B are explanatory diagrams of a first modification of the first embodiment.
  • FIG. 5A corresponds to FIG. 3A
  • FIG. 5B is a cross-sectional view taken along the line VB-VB in FIG.
  • FIG. 6 is an explanatory diagram of modification examples 2 and 3
  • FIG. 6A is an explanatory diagram of modification example 2
  • FIG. 6B is an explanatory diagram of modification example 3.
  • FIG. 7 is an explanatory diagram of the modification example 4, and corresponds to FIG. 2 of the first embodiment.
  • FIG. 8 is an explanatory view of an example of a conventional protective cylinder of an elbow part
  • FIG. 8 (A) is a sectional view of a main part
  • FIG. 8 (B) is a perspective view.
  • FIG. 1 is an explanatory diagram of a solid fuel burner according to a first embodiment.
  • the solid fuel burner 7 according to the first embodiment includes a fuel nozzle 21 through which a carrier gas and solid fuel flow.
  • the opening at the downstream end of the fuel nozzle 21 is provided in the wall surface (furnace wall, water pipe wall) 23 of the furnace 22 of the boiler.
  • the fuel nozzle 21 is connected to the upstream end of the fuel pipe 8.
  • the fuel nozzle 21 is formed in a hollow cylindrical shape, and a flow path 24 through which solid fuel (pulverized coal or pulverized biomass fuel) and carrier gas flow is formed inside the fuel nozzle 21.
  • the fuel nozzle 21 of the first embodiment is connected to the fuel pipe 8 by bending downward from the upstream side of the main body portion 21 a of the fuel nozzle 21 and the main body portion 21 a of the fuel nozzle 21 extending perpendicularly to the wall surface 23 of the furnace 22. And an elbow part (bent part) 21b. Accordingly, when the fluid containing the solid fuel and the carrier gas supplied from the fuel pipe 8 passes through the elbow part 21b and flows into the main body part 21a, the fluid is biased outward in the radial direction of the main body part 21a.
  • An inner combustion air nozzle (secondary combustion air nozzle) 26 that ejects combustion air to the furnace 22 is installed on the outer periphery of the fuel nozzle 21. Further, an outer combustion air nozzle (third combustion air nozzle) 27 is installed on the outer peripheral side of the inner combustion air nozzle 26. Each of the combustion air nozzles 26, 27 ejects air from a wind box 28 toward the furnace 22.
  • a guide vane 26 a is formed at the downstream end of the inner combustion air nozzle 26, which is inclined radially outward with respect to the center of the fuel nozzle 21 (diameter increases as it goes downstream). .
  • combustion air is ejected so as to diffuse from the axial center.
  • combustion air is used.
  • combustion air and combustion air are not strictly limited to air, and a mixed gas of air and combustion exhaust gas, oxygen, or the like is used. It does not prevent.
  • a flame holder 31 is supported in the opening at the downstream end of the fuel nozzle 21.
  • a support sleeve (oil burner, disperser) 32 is disposed through the center of the cross section of the flow path of the fuel nozzle 21. The support sleeve 32 is supported in a state of penetrating the elbow portion 21b.
  • a venturi 33 is installed on the inner wall surface of the fuel nozzle 21.
  • the venturi 33 is formed in a shape that expands after the inner diameter of the fuel nozzle 21 is narrowed from the upstream side to the downstream side in the solid fuel flow direction. Therefore, in the venturi 33 according to the first embodiment, the mixed fluid of the fuel and the carrier gas supplied to the fuel nozzle 21 is throttled inward in the radial direction when passing through a region where the inner diameter is reduced. Therefore, it is possible to move the fuel biased near the inner wall surface of the main body 21a of the fuel nozzle 21 toward the center.
  • a fuel concentrator 34 is installed on the outer surface of the support sleeve 32 on the downstream side of the venturi 33.
  • the fuel concentrator 34 is formed in a shape that decreases after the outer shape of the fuel concentrator 34 expands from the upstream side to the downstream side along the flow direction of the solid fuel. Therefore, in the fuel concentrator 34 of the first embodiment, when the mixed fluid of the fuel and the carrier gas passes through the region where the outer shape is enlarged, a velocity component toward the outside in the radial direction is given. Therefore, the fuel is concentrated toward the inner wall surface of the fuel nozzle 21.
  • the present invention can also be applied to a burner without the fuel concentrator 34.
  • FIG. 2 is an enlarged explanatory view of the elbow part of the first embodiment. 1 and 2, in the solid fuel burner 7 according to the first embodiment, a collision protection member 41 is supported by the support sleeve 32.
  • the collision protection member 41 has a collision plate flange (collision plate mounting portion) 41a that is detachably fixed to the elbow portion 21b with a bolt or the like (not shown).
  • the collision plate flange 41a is integrally formed with a cylindrical portion 41b through which the support sleeve 32 penetrates.
  • a protection cylinder 42 is provided as a separate and independent member from the support sleeve 32 and the collision protection member 41 on the outer peripheral side of the cylinder portion 41b.
  • a collision plate 41c as an example of a collision protection portion is formed on the upper portion of the collision plate flange 41a in order to protect the upper inner surface of the elbow portion 21b.
  • the collision plate 41c is formed in a semi-cylindrical shape with the lower part opened as in the conventional configuration.
  • the collision plate flange 41a is integrally formed with a positioning ring 41d as an example of a positioning portion of the protective cylinder 42 on the outer peripheral side of the cylinder portion 41b.
  • FIG. 3A and 3B are explanatory views of the support sleeve protection member of Example 1, FIG. 3A is a cross-sectional view along the axial direction, and FIG. 3B is a view seen from the direction of arrow IIIB in FIG. It is.
  • a protection cylinder 42 as an example of a support sleeve protection member is disposed on the outer periphery of the cylinder portion 41b.
  • the protective cylinder 42 is formed in a cylindrical shape that extends along the axial direction of the support sleeve 32.
  • the protective cylinder 42 of the first embodiment is formed in a parallelogram shape in a cross-sectional view along the axial direction.
  • the protective cylinder 42 is formed in a point-symmetric shape with the symmetry point 42b at the center in the axial direction as the center.
  • inclined surfaces 42a as an example of a rotation preventing portion are formed.
  • the inclined surface 42a is formed in a shape along the inner surface of the elbow portion 21b (or the collision plate flange 41a facing each other).
  • the outer diameter of the protective cylinder 42 is formed so as to fit between the cylindrical portion 41b and the positioning ring 41d when the end of the protective cylinder 42 is abutted against the collision plate flange 41a.
  • An O-ring 43 is mounted between the protective cylinder 42 and the cylinder portion 41b of the first embodiment. Therefore, the protection cylinder 42 is less likely to move in the axial direction due to the frictional force of the O-ring 43 when attached.
  • the solid fuel supplied from the fuel pipe 8 is protected by the protective cylinder 42 even if it tries to collide with the support sleeve 32 in the elbow portion 21b. Therefore, wear of the support sleeve 32 is prevented.
  • the protective cylinder 42 of the first embodiment has a configuration (separate configuration) independent of the collision plate flange 41a and the collision plate 41c. Therefore, when the protective cylinder 42 is worn due to the collision of the solid fuel, only the protective cylinder 42 can be easily removed and replaced.
  • the protective cylinder 42 suppresses waste and cost waste for exchanging parts that do not need to be exchanged (such as the collision plate 41c) as compared with a configuration in which the protection cylinder 42 is integrally replaced with the collision plate 41c and the like. Can do.
  • FIG. 4A and 4B are diagrams for explaining the operation of the support sleeve protection member according to the first embodiment.
  • FIG. 4A is a diagram illustrating a state where the lower surface of the support sleeve protection member is worn due to the collision of the solid fuel, and FIG. It is explanatory drawing of the state which rotated the support sleeve protection member centering
  • the protective cylinder 42 according to the first embodiment is formed in a parallelogram shape that is a point-symmetric shape with the symmetry point 42 b as the center. Therefore, as shown in FIG.
  • the protective cylinder 42 when the lower part upstream of the solid fuel conveyance direction is worn, the protective cylinder 42 is detached from the support sleeve 32 and rotated around the symmetry point 42b to be attached to the protective cylinder 42. By doing so, it is possible to install so that the wear region 51 is on the upper side, and the surface with little wear is the lower surface with significant wear. Therefore, even when the protective cylinder 42 is worn, it can be reused without having to replace the protective cylinder 42 by rotating it around the symmetry point 42b and reattaching it. Therefore, the life of the protective cylinder 42 can be extended, and the cost of parts and the maintenance cost can be reduced.
  • the support sleeve 32 is protected by the collision protection member 41 and the protection cylinder 42. Therefore, the collision protection member 41 and the protection cylinder 42 can be made of wear-resistant steel, and the support sleeve 32 can be a member having a relatively low cost than the protection cylinder 42 and the like. By doing in this way, it is also possible to reduce the whole cost of the solid fuel burner 7.
  • the support sleeve 32 is double protected by the cylindrical portion 41b of the collision protection member 41 and the protective cylinder 42 which is a member independent of the cylindrical portion. As a result, it becomes easy to grasp the amount of wear / thinning of the support sleeve protection member and determine the time for replacement / repair.
  • the protective cylinder 42 is easier to remove from the burner than the collision protection member 41, and thus has an advantage that it can be easily attached and removed during periodic inspections and the amount of wear and thinning thereof can be measured. In addition, it is not necessary to measure the amount of wear / thinning of the protective cylinder 42 every time a periodic inspection is performed. Handling such as judgment is possible.
  • Example 1 the inclined surface 42a at the end is abutted against the collision plate flange 41a. Therefore, even if the protective cylinder 42 tries to rotate in the circumferential direction due to the collision of the solid fuel with the protective cylinder 42, the inclined surface 42a that is inclined interferes with the collision plate flange 41a. Therefore, the rotation of the protective cylinder 42 is restricted. Accordingly, the protection cylinder 42 is restricted from rotating and changing its position.
  • the movement of the protective cylinder 42 in the axial direction is restricted by the O-ring 43. Therefore, the position of the protective cylinder 42 in the axial direction is stabilized and the rotation of the protective cylinder 42 due to the collision of the solid fuel is also restricted as compared with the case where the movement in the axial direction is not restricted.
  • FIG. 5A and 5B are explanatory diagrams of a first modification of the first embodiment.
  • FIG. 5A corresponds to FIG. 3A
  • FIG. 5B is a cross-sectional view taken along the line VB-VB in FIG. It is.
  • FIG. 5 instead of the configuration of the first embodiment shown in FIG. 3, it is possible to form the thick portion 42c centering on the portion where the wear is remarkable.
  • the thick portion 42c is provided, a sufficient wear allowance can be provided in a portion where wear due to the collision of the solid fuel is remarkable. Therefore, the life of the protective cylinder 42 can be further extended.
  • FIG. 6 is an explanatory diagram of modification examples 2 and 3
  • FIG. 6A is an explanatory diagram of modification example 2
  • FIG. 6B is an explanatory diagram of modification example 3.
  • FIG. 6 it is not limited to the form shown in FIG. 5 (B).
  • a shape (rectifying shape) 42d for guiding the fluid containing the solid fuel sent from below to the outside is provided.
  • a streamline shape can be used.
  • FIG. 7 is an explanatory diagram of the modification example 4, and corresponds to FIG. 2 of the first embodiment.
  • the configuration in which the positioning ring 41d as an example of the positioning portion is formed on the collision protection member 41 is illustrated, but the configuration is not limited thereto.
  • the anti-rotation is also prevented by the collision protection member 41 (collision plate flange 41a) and the inclined surface of the protection cylinder 42, and the movement in the axial direction is also restricted by the frictional force due to the weight of the protection cylinder 42. It is also possible to adopt a configuration in which the positioning portions 41d and 41e are not installed.
  • the shape of the protective cylinder 42 is preferably a point-symmetric shape, but is not limited to this.
  • An asymmetric shape may be sufficient and a line symmetrical shape may be sufficient.
  • the point-symmetric shape is not limited to a parallelogram shape in cross section, and any shape such as a rhombus or hexagon can be used.
  • H02 In the above-described embodiment, when the thick portions 42c and 42d are provided, the shape is not limited to the illustrated shape, and any shape can be used.
  • the anti-rotation portion constituted by the inclined surface 42a is exemplified, but the present invention is not limited to this.
  • Arbitrary detent structures such as a key and key groove shape can be employed.
  • it is desirable to provide a rotation prevention part it is also possible to adopt a configuration in which it is not provided.
  • the positioning portions 41d and 41e are exemplified, but a configuration in which the positioning portions 41d and 41e are not provided is also possible.
  • the shape of the positioning portions 41d and 41e is not limited to the illustrated shape, and can be changed to any positioning shape such as a fit, a claw shape, and a screwing shape.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spray-Type Burners (AREA)
PCT/JP2018/019172 2018-05-17 2018-05-17 サポートスリーブ保護部材およびこれを備えた固体燃料バーナ WO2019220597A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2019537848A JP6632776B1 (ja) 2018-05-17 2018-05-17 サポートスリーブ保護部材およびこれを備えた固体燃料バーナ
AU2018423543A AU2018423543B2 (en) 2018-05-17 2018-05-17 Support-sleeve protective member and solid fuel burner provided with same
PCT/JP2018/019172 WO2019220597A1 (ja) 2018-05-17 2018-05-17 サポートスリーブ保護部材およびこれを備えた固体燃料バーナ
KR1020197021309A KR102266012B1 (ko) 2018-05-17 2018-05-17 서포트 슬리브 보호 부재 및 이것을 구비한 고체 연료 버너
TW108116852A TWI715981B (zh) 2018-05-17 2019-05-16 支撐套保護構件及具備此之固體燃料噴燃器
PH12020551887A PH12020551887A1 (en) 2018-05-17 2020-11-06 Support-sleeve protective member and solid fuel burner provided with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/019172 WO2019220597A1 (ja) 2018-05-17 2018-05-17 サポートスリーブ保護部材およびこれを備えた固体燃料バーナ

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WO2019220597A1 true WO2019220597A1 (ja) 2019-11-21

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JP (1) JP6632776B1 (ko)
KR (1) KR102266012B1 (ko)
AU (1) AU2018423543B2 (ko)
PH (1) PH12020551887A1 (ko)
TW (1) TWI715981B (ko)
WO (1) WO2019220597A1 (ko)

Citations (6)

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Publication number Priority date Publication date Assignee Title
JPS5811308A (ja) * 1981-07-14 1983-01-22 Sumitomo Cement Co Ltd 微粉炭燃焼バ−ナ
JPS58193006A (ja) * 1982-05-06 1983-11-10 Babcock Hitachi Kk 粉砕炭燃焼用バ−ナ装置
JPS58219310A (ja) * 1982-06-15 1983-12-20 Babcock Hitachi Kk 耐摩耗性を高めた微粉炭燃焼装置
JPS58224208A (ja) * 1982-06-19 1983-12-26 Babcock Hitachi Kk 均一拡散型微粉炭燃焼装置
JPH055507A (ja) * 1990-06-29 1993-01-14 Babcock Hitachi Kk 燃焼装置
JP2012513012A (ja) * 2008-12-18 2012-06-07 アルストム テクノロジー リミテッド 微粉炭ノズルのためのヘッドアセンブリ

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US3934522A (en) * 1974-11-01 1976-01-27 The Detroit Edison Company Coal burning system
JPS643461A (en) 1987-06-25 1989-01-09 Noritz Corp Hot water feeder
JPH09318014A (ja) 1996-05-27 1997-12-12 Hitachi Ltd 微粉炭燃焼バーナ
JP3344694B2 (ja) 1997-07-24 2002-11-11 株式会社日立製作所 微粉炭燃焼バーナ
JP3986182B2 (ja) 1998-10-27 2007-10-03 株式会社日立製作所 微粉炭燃焼バーナおよびそれを備えた燃焼装置
KR100376619B1 (ko) 2000-09-25 2003-03-19 두산중공업 주식회사 저 질소산화물 미분탄 석탄 버너
US6474250B1 (en) 2001-05-24 2002-11-05 Babcock Borsig Power, Inc. Nozzle assembly for a pulverized coal burner
JP3099109U (ja) 2003-07-08 2004-03-25 株式会社アドバネクス 整流子
JP5811308B1 (ja) 2014-12-02 2015-11-11 富士電機株式会社 直流電源装置の出力電圧制御方法及び出力電圧制御装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811308A (ja) * 1981-07-14 1983-01-22 Sumitomo Cement Co Ltd 微粉炭燃焼バ−ナ
JPS58193006A (ja) * 1982-05-06 1983-11-10 Babcock Hitachi Kk 粉砕炭燃焼用バ−ナ装置
JPS58219310A (ja) * 1982-06-15 1983-12-20 Babcock Hitachi Kk 耐摩耗性を高めた微粉炭燃焼装置
JPS58224208A (ja) * 1982-06-19 1983-12-26 Babcock Hitachi Kk 均一拡散型微粉炭燃焼装置
JPH055507A (ja) * 1990-06-29 1993-01-14 Babcock Hitachi Kk 燃焼装置
JP2012513012A (ja) * 2008-12-18 2012-06-07 アルストム テクノロジー リミテッド 微粉炭ノズルのためのヘッドアセンブリ

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JPWO2019220597A1 (ja) 2020-05-28
TW201947158A (zh) 2019-12-16
AU2018423543B2 (en) 2022-03-17
AU2018423543A1 (en) 2020-12-17
PH12020551887A1 (en) 2021-07-05
TWI715981B (zh) 2021-01-11
KR20190132349A (ko) 2019-11-27
JP6632776B1 (ja) 2020-01-22
KR102266012B1 (ko) 2021-06-16

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