WO2023026657A1 - 燃料ガスノズル及びこれを備えたガスバーナー - Google Patents
燃料ガスノズル及びこれを備えたガスバーナー Download PDFInfo
- Publication number
- WO2023026657A1 WO2023026657A1 PCT/JP2022/024864 JP2022024864W WO2023026657A1 WO 2023026657 A1 WO2023026657 A1 WO 2023026657A1 JP 2022024864 W JP2022024864 W JP 2022024864W WO 2023026657 A1 WO2023026657 A1 WO 2023026657A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel gas
- dilution air
- pipe
- ejection
- section
- Prior art date
Links
- 239000002737 fuel gas Substances 0.000 title claims abstract description 92
- 239000007789 gas Substances 0.000 title claims abstract description 31
- 238000010790 dilution Methods 0.000 claims abstract description 89
- 239000012895 dilution Substances 0.000 claims abstract description 89
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 23
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims description 42
- 239000004071 soot Substances 0.000 abstract description 9
- 230000001172 regenerating effect Effects 0.000 description 10
- 239000000446 fuel Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007865 diluting Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
Definitions
- the present invention relates to a fuel gas nozzle capable of uniformly diluting fuel gas with dilution air and preventing the generation of soot, and a gas burner equipped with the same.
- the "burner tile-less gas burner" of Patent Document 1 includes a combustion air supply pipe having a circular inner surface provided with a combustion air supply port for supplying combustion air in the tangential direction at the rear, and a combustion air supply pipe of the combustion air supply pipe.
- a fuel gas supply pipe disposed in the center and having a plurality of straight gas ejection holes at the tip and a plurality of radial gas ejection holes on the outer peripheral surface near the tip; and a first flange portion attached perpendicularly to the fuel gas supply pipe.
- a stabilizer that has a plurality of through holes parallel to the combustion air supply pipe and that is attached so that the second flange portion is positioned substantially at the same level as the radial gas ejection holes; It comprises a spark plug and a combustor replaceably attached to the tip of the combustion air supply pipe and having an inner diameter larger than that of the stabilizer.
- a primary fuel nozzle is provided in a nozzle of combustion air so as to be able to inject from around the flow of combustion air
- the secondary fuel nozzle is:
- the nozzle at the tip of the pipe is provided with a flame stabilization mechanism that includes a flow path that can supply flame stabilization air from around the secondary fuel to be injected, and is almost parallel to the combustion air nozzle from a location different from the combustion air. It is possible to blow directly into the furnace.
- Patent Document 2 it is said that the generation of soot can be prevented by mixing about 0.5 to 5% of the total air flow rate with the fuel.
- Patent Document 3 "Blast Burner Venturi Mixer Mixing Ratio Adjusting Device", ejects pressurized air from a nozzle toward the venturi, and the energy of the jet draws low-pressure fuel gas into the venturi.
- the fuel gas inlet section receiving the suction force caused by the jetting of pressurized air from the nozzle is composed of inner and outer double valve members, and both the inner and outer valves
- a gas control valve is provided in which members are configured to be relatively movable in an axial direction, and a slit is formed in either the inner valve member or the outer valve member of the gas control valve along the relative movement direction of the two,
- the intake gas amount can be adjusted by changing the gas passage area by moving the inner and outer valve members relative to each other in the axial direction.
- the "premixed burner for reducing the amount of nitrogen oxides generated" in Patent Document 4 performs combustion by injecting combustion air toward a venturi mixer to suck and mix fuel gas supplied at a low pressure into the venturi mixer.
- a combustion air supply system is provided with a valve that controls the primary combustion air jetted toward the venturi mixer so that the air ratio at the diffuser outlet is 1.0 or less.
- the secondary air supply system is branched from the air supply system portion downstream of the control valve, and the insufficient combustion air is jetted into the combustion chamber as secondary air at a position downstream of the premixed gas mixture. ing.
- Patent Document 5 “Burner Combustion Atmosphere Control Device” is a burner combustion atmosphere control device for obtaining a mixed gas by supplying combustion gas through a zero governor to a venturi mixer through which air is passed.
- the tip side of a secondary pressure regulating gas introducing pipe is connected to the mixing chamber, and a secondary pressure regulating valve is connected to the secondary pressure regulating gas introducing pipe.
- Japanese Patent No. 2944579 JP 2006-308249 A Japanese Utility Model Laid-Open No. 51-3433 Japanese Utility Model Laid-Open No. 54-98631 Japanese Utility Model Publication No. 2-16139
- Patent Document 1 discloses a gas burner in which a combustion air supply pipe having a combustion air supply port at the rear and a fuel gas supply pipe is arranged at the center of the combustion air supply pipe.
- Patent Document 2 discloses a fuel Disclosed is a fuel nozzle (fuel gas nozzle) that can directly blow into the furnace from a location different from the combustion air by providing a flame stabilization mechanism including a flow path that can supply flame stabilization air from around the fuel ejected from the ejection port.
- the fuel gas and the air are not sufficiently mixed, the fuel gas cannot be diluted properly, and the generation of soot cannot be sufficiently prevented.
- Patent Document 3 by ejecting pressurized air from a nozzle toward a venturi, low-pressure fuel gas is sucked into the venturi to create a venturi.
- Patent Document 4 the fuel gas supplied at low pressure is sucked and mixed into the venturi mixer for combustion, and in Patent Document 5, the fuel gas is supplied to the venturi mixer through a zero governor to produce a mixed gas. I am trying to get
- the present invention has been devised in view of the above-mentioned conventional problems, and provides a fuel gas nozzle capable of uniformly diluting fuel gas with dilution air to prevent generation of soot, and a gas burner having the same. intended to
- a fuel gas nozzle according to the present invention is a fuel gas nozzle that supplies fuel gas to be mixed with combustion air.
- an upstream pipe portion provided and connected to the downstream pipe portion; a bent portion formed by connecting the upstream pipe portion and the downstream pipe portion; a fuel gas flow path including an extending portion through which fuel gas flows from the upstream pipe portion toward the downstream pipe portion;
- a dilution air ejection pipe for ejecting dilution air in the ejection direction of the fuel gas is provided in the downstream pipe portion of the dilution air ejection pipe, and the dilution air ejection pipe has a hole diameter smaller than the inner diameter of the dilution air ejection pipe.
- a plurality of injection holes are provided, and the insertion tip of the dilution air injection pipe extends from the inner wall surface of the upstream pipe portion on the extension portion side to the pipe axis of the upstream pipe portion in the insertion direction of the dilution air injection pipe. characterized by being positioned in the range of
- the dilution air ejection pipe has a flat planar ejection head, and the dilution air ejection hole is provided in the ejection head.
- the flow velocity of the dilution air ejected from the dilution air ejection holes is higher than the flow velocity of the fuel gas flowing through the fuel gas flow path.
- the pressure inside the dilution air ejection pipe is higher than the pressure inside the fuel gas flow path.
- a gas burner equipped with a fuel gas nozzle according to the present invention is characterized by comprising the above fuel gas nozzle and a combustion air nozzle for supplying combustion air.
- the insertion tip of the dilution air ejection tube is located in the range from the inner wall surface of the upstream tube section on the extension side to the tube axis of the upstream tube section in the insertion direction of the dilution air ejection tube. Mixing unevenness is less likely to occur.
- FIG. 1 is a side sectional view showing a preferred embodiment of a fuel gas nozzle and a gas burner provided with the same according to the present invention;
- FIG. 1 it is an A section enlarged view.
- FIG. 2 it is a sectional view taken in the direction of arrow B.
- FIG. FIG. 2 is a side cross-sectional view illustrating an application example of a fuel gas nozzle according to the present invention to a general burner;
- a regenerative burner 2 having a heat storage unit 1 is shown as an example of a gas burner, and a case where the regenerative burner 2 is equipped with a fuel gas nozzle 3 will be described.
- the regenerative burners 2 are provided, for example, on furnace walls 4b facing each other across a workpiece (not shown) arranged in the furnace 4a of the heating furnace 4.
- FIG. 1 shows the regenerative burner 2 provided on one of the opposing furnace walls 4b.
- the regenerative burner 2 is arranged adjacent to an air supply/exhaust nozzle (combustion air nozzle) 5 that alternately repeats the supply of combustion air to the inside 4a of the furnace and the discharge of exhaust gas from the inside 4a of the furnace, and the supply/exhaust nozzle 5,
- the air supply/exhaust nozzle 5 is arranged substantially horizontally, and the fuel gas nozzle 3 is arranged obliquely so that the fuel gas is mixed with the combustion air from the air supply/exhaust nozzle 5 .
- the main supply pipe 6 has gas ejection holes 3a and is provided through the furnace wall 4b. It is connected to a downstream pipe portion 6a projecting out of the furnace from 4b and has an upstream pipe portion 6b extending in a direction intersecting the injection direction.
- the fuel gas flows through the bent fuel gas flow path of the main supply pipe 6 from the upstream pipe portion 6b of the main supply pipe 6 toward the downstream pipe portion 6a.
- the main supply pipe 6 is provided with an adjustment valve (not shown) for adjusting the supply amount of the fuel gas on the upstream pipe portion 6b side.
- the downstream pipe portion 6a has a bent portion 6c formed by connecting the upstream pipe portions 6b facing in different directions, and an extension portion 6d extending in the opposite direction to the gas ejection hole 3a side. is provided with a mounting flange 6e.
- the dilution air ejection pipe 7 is inserted from the extension 6d into the downstream tube portion 6a of the main supply pipe 6 along the ejection direction of the fuel gas ejected from the gas ejection holes 3a.
- the dilution air ejection pipe 7 is formed with an outer diameter D2 that is smaller than the inner diameter D1 of the downstream pipe portion 6a.
- an ejection head portion 7a for ejecting and supplying dilution air in the flow direction of the fuel gas flowing through the downstream pipe portion 6a.
- the ejection head portion 7a has a flat planar shape, and is provided with a plurality of dilution air ejection holes 7b having a hole diameter D4 smaller than the inner diameter D3 of the dilution air ejection pipe 7.
- the dilution air ejection pipe 7 is provided at least upstream of the ejection head portion 7a with a control valve for adjusting the supply amount of the dilution air.
- the dilution air ejection pipe 7 is provided with a flange 7c on the side opposite to the ejection head portion 7a.
- the flange 7c abuts against the mounting flange 6e when the dilution air jetting pipe 7 is inserted into the supply main pipe 6 from the extension 6d, and is joined to the mounting flange 6e with bolts and nuts.
- the ejection head portion 7a is positioned at or around the bent portion 6c of the main supply pipe 6.
- this embodiment shows an example in which the main supply pipe 6 and the dilution air ejection pipe 7 are connected by flange connection, it is of course possible to employ other connection structures such as screw connection.
- the position of the injection head portion 7a which is the insertion tip of the dilution air injection pipe 7, is set from the inner wall surface of the upstream pipe portion 6b on the side of the extension portion 6d in the insertion direction of the dilution air injection pipe 7. If it is positioned in the range R to the center line (tube axis) C of the portion 6b, uneven mixing is less likely to occur, which is preferable.
- the pressure of the dilution air in the dilution air ejection pipe 7 is set higher than the pressure of the fuel gas in the main supply pipe 6.
- the dilution air ejected from the dilution air ejection pipe 7 is ejected from a plurality of dilution air ejection holes 7b having a hole diameter D4 smaller than the inner diameter D3 of the dilution air ejection pipe 7, and the fuel gas circulating in the main supply pipe 6. is set faster than the flow of
- the flow velocity of the dilution air ejected from the dilution air ejection holes 7b is higher than the flow velocity of the fuel gas flowing through the main supply pipe 6.
- the dilution air ejection pipe 7 is provided in the main supply pipe 6 through which the fuel gas flows, the dilution air is supplied into the main supply pipe 6 to The fuel gas inside can be diluted with dilution air in a uniform distribution to prevent soot generation in combustion with the combustion air.
- the dilution air ejection pipe 7 supplies the dilution air in the flow direction of the fuel gas, it does not interfere with the flow of the fuel gas.
- the dilution air ejection hole 7b provided in the ejection head portion 7a at the tip of the dilution air ejection tube 7 has a hole diameter D4 smaller than the inner diameter D3 of the dilution air ejection tube 7. It can be ejected at high speed.
- the dilution air can be dispersed and ejected so as not to be concentrated in one place. can be mixed into the fuel gas with good distribution.
- the dilution air ejected from the plurality of dilution air ejection holes 7b into the main supply pipe 6 uniformly dilutes the fuel gas without mixing unevenness, thereby preventing the generation of soot during combustion with the combustion air. can.
- the flow velocity of the dilution air ejected from the dilution air ejection holes 7b is higher than the flow velocity of the fuel gas flowing through the main supply pipe 6, the dilution air can be ejected into the main supply pipe 6 more vigorously. . Therefore, the fuel gas can be efficiently diluted. In addition, it is possible to prevent the fuel gas from flowing into the dilution air ejection pipe 7 .
- the dilution air ejection pipe 7 since the pressure in the dilution air ejection pipe 7 is higher than the pressure in the main supply pipe 6, the dilution air can be reliably ejected into the main supply pipe 6. This also prevents the fuel gas from flowing into the dilution air ejection pipe 7 .
- the regenerative burner 2 of the present embodiment since it is composed of the fuel gas nozzle 3 that can uniformly dilute the fuel gas and the air supply/exhaust nozzle 5 that supplies the combustion air, it is possible to form a stable flame. It is also possible to suppress the generation of soot.
- FIG. 4 shows the application of the invention to a common burner 8 .
- a fuel gas nozzle 3 is provided inside a combustion air nozzle 9 communicating with the furnace interior 4a.
- the fuel gas nozzle 3 is composed of the main supply pipe 6 and the dilution air jet pipe 7 as described above.
- the diluted air ejection pipe 7 is inserted into the main supply pipe 6 from a portion corresponding to the extension portion 6d described above in the same manner as in the above embodiment. Even with such a configuration, it is a matter of course that the same effect as that of the above-described embodiment can be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Regulation And Control Of Combustion (AREA)
- Gas Burners (AREA)
Abstract
Description
2 リジェネバーナー
3 燃料ガスノズル
3a ガス噴出孔
4 加熱炉
4a 炉内
4b 炉壁
5 給排気ノズル
6 供給本管
6a 下流管部
6b 上流管部
6c 屈曲部
6d 延出部
6e 取付フランジ
7 希釈空気噴出管
7a 噴出ヘッド部
7b 希釈空気噴出孔
7c フランジ
8 一般的なバーナー
9 燃焼空気ノズル
D1 下流管部の内径
D2 希釈空気噴出管の外径
D3 希釈空気噴出管の内径
D4 希釈空気噴出孔の孔径
Claims (6)
- 燃焼空気と混合される燃料ガスを供給する燃料ガスノズルであって、
炉内への燃料ガスの噴出方向に沿う下流管部と、該噴出方向とは交差する方向に設けられて該下流管部と接続された上流管部と、これら上流管部と下流管部の接続によって形成される屈曲部と、該屈曲部に該噴出方向とは反対側へ延出された延出部を備え、燃料ガスが該上流管部から該下流管部に向かって流通する燃料ガス流路と、
上記延出部から燃料ガスの噴出方向に沿って挿入され、該燃料ガス流路の上記下流管部内に、燃料ガスの噴出方向へ向かって希釈空気を噴出する希釈空気噴出管とを備え、
該希釈空気噴出管には、当該希釈空気噴出管の内径よりも小さな孔径の希釈空気噴出孔が複数設けられ、
上記希釈空気噴出管の挿入先端は、該希釈空気噴出管の挿入方向で、上記延出部側の上記上流管部の内壁面から、該上流管部の管軸までの範囲に位置されることを特徴とする燃料ガスノズル。 - 前記希釈空気噴出管は、平坦な面状の噴出ヘッド部を有し、該噴出ヘッド部に前記希釈空気噴出孔が設けられていることを特徴とする請求項1に記載の燃料ガスノズル。
- 前記希釈空気噴出孔から噴出される希釈空気の流速は、前記燃料ガス流路内を流通する燃料ガスの流速よりも大きいことを特徴とする請求項1または2に記載の燃料ガスノズル。
- 前記希釈空気噴出管内の圧力は、前記燃料ガス流路内の圧力よりも高いことを特徴とする請求項1または2に記載の燃料ガスノズル。
- 前記希釈空気噴出管内の圧力は、前記燃料ガス流路内の圧力よりも高いことを特徴とする請求項3に記載の燃料ガスノズル。
- 請求項1または2に記載の燃料ガスノズルと、燃焼空気を供給する燃焼空気ノズルとで構成したことを特徴とする燃料ガスノズルを備えたガスバーナー。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280034560.1A CN117280158A (zh) | 2021-08-26 | 2022-06-22 | 燃料气体喷嘴和包括该燃料气体喷嘴的燃烧器 |
KR1020237038655A KR20230169254A (ko) | 2021-08-26 | 2022-06-22 | 연료가스노즐 및 이것을 구비한 가스 버너 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021137973A JP7078787B2 (ja) | 2021-08-26 | 2021-08-26 | 燃料ガスノズル及びこれを備えたガスバーナー |
JP2021-137973 | 2021-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023026657A1 true WO2023026657A1 (ja) | 2023-03-02 |
Family
ID=80081333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/024864 WO2023026657A1 (ja) | 2021-08-26 | 2022-06-22 | 燃料ガスノズル及びこれを備えたガスバーナー |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7078787B2 (ja) |
KR (1) | KR20230169254A (ja) |
CN (1) | CN117280158A (ja) |
TW (1) | TW202309442A (ja) |
WO (1) | WO2023026657A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002005415A (ja) * | 2000-06-19 | 2002-01-09 | Chugai Ro Co Ltd | 蓄熱式還元燃焼装置 |
WO2004065494A1 (de) * | 2003-01-24 | 2004-08-05 | Lianpeng Jing | Russgenerator mit verengter löschgasleitung |
CN110887040A (zh) * | 2019-11-14 | 2020-03-17 | 清华大学 | 一种燃气燃烧器及其低氮燃烧方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS513433A (ja) | 1974-06-24 | 1976-01-12 | Mo I Narodonogo Kuozuyaisutowa | Chokoshuharenzokukataoobun |
JPS5498631A (en) | 1977-12-27 | 1979-08-03 | Citizen Watch Co Ltd | Substrate orientation method of liquid crystal display cells |
JPH0216139A (ja) | 1988-07-05 | 1990-01-19 | Mitsui Toatsu Chem Inc | アニオン重合ゴム変性スチレン系共重合体 |
JP2944579B2 (ja) | 1997-06-16 | 1999-09-06 | 中外炉工業株式会社 | バーナタイルレスガスバーナ |
JP2006308249A (ja) | 2005-04-28 | 2006-11-09 | Jfe Steel Kk | 蓄熱式バーナ及びその低NOx燃焼方法 |
-
2021
- 2021-08-26 JP JP2021137973A patent/JP7078787B2/ja active Active
-
2022
- 2022-06-22 KR KR1020237038655A patent/KR20230169254A/ko unknown
- 2022-06-22 CN CN202280034560.1A patent/CN117280158A/zh active Pending
- 2022-06-22 WO PCT/JP2022/024864 patent/WO2023026657A1/ja active Application Filing
- 2022-07-11 TW TW111125845A patent/TW202309442A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002005415A (ja) * | 2000-06-19 | 2002-01-09 | Chugai Ro Co Ltd | 蓄熱式還元燃焼装置 |
WO2004065494A1 (de) * | 2003-01-24 | 2004-08-05 | Lianpeng Jing | Russgenerator mit verengter löschgasleitung |
CN110887040A (zh) * | 2019-11-14 | 2020-03-17 | 清华大学 | 一种燃气燃烧器及其低氮燃烧方法 |
Also Published As
Publication number | Publication date |
---|---|
JP7078787B2 (ja) | 2022-05-31 |
KR20230169254A (ko) | 2023-12-15 |
CN117280158A (zh) | 2023-12-22 |
TW202309442A (zh) | 2023-03-01 |
JP2022006168A (ja) | 2022-01-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9027349B2 (en) | Gas turbine gaseous fuel injection system | |
JP3960166B2 (ja) | ガスタービン燃焼器およびガスタービン燃焼器の運転方法 | |
JP4998581B2 (ja) | ガスタービン燃焼器およびガスタービン燃焼器の運転方法 | |
US8607573B2 (en) | Combustor having a first plurality of fuel nozzles having a first cross-sectional shape and a second plurality of fuel nozzles having a second cross-sectional shape different than the first cross-sectional shape | |
US7926282B2 (en) | Pure air blast fuel injector | |
JP2007113888A (ja) | ガスタービンエンジンの燃焼器構造 | |
JP2011058775A (ja) | ガスタービン燃焼器 | |
JP4453675B2 (ja) | 燃焼器および燃焼器の運転方法 | |
JP2005195284A (ja) | ガスタービン用燃料ノズル、ガスタービン用燃焼器、ガスタービン用燃焼器の燃焼方法 | |
CN108738333B (zh) | 复合型低氮氧化物燃烧器 | |
JP4400314B2 (ja) | ガスタービン燃焼器及びガスタービン燃焼器の燃料供給方法 | |
JP3864238B2 (ja) | 燃料噴射装置 | |
WO2023026657A1 (ja) | 燃料ガスノズル及びこれを備えたガスバーナー | |
KR101204457B1 (ko) | 저녹스형 버너 | |
KR101228359B1 (ko) | 산소 연소 보일러의 미분탄 버너 | |
WO2011030501A1 (ja) | 微粉炭焚きボイラ | |
CN111649324B (zh) | 燃烧器和锅炉 | |
JP2008082590A (ja) | ガスタービン燃焼器 | |
EP4345373A1 (en) | Fuel-air mixing and flame stabilization device for a low emission burner with internal flue gas recirculation | |
CN109668149B (zh) | 燃烧器及含其的中心回燃锅炉 | |
JP2010249425A (ja) | バーナ | |
JP4144794B2 (ja) | 火炎の偏りによる燃焼不良を防止するバーナ | |
JP2024112153A (ja) | ガスバーナ | |
JP2024044231A (ja) | 燃焼装置 | |
JP2586773Y2 (ja) | ガスバーナ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22860951 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20237038655 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020237038655 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280034560.1 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 22860951 Country of ref document: EP Kind code of ref document: A1 |