WO2004051063A1 - ガスタービン燃焼器、及びこれを備えたガスタービン - Google Patents
ガスタービン燃焼器、及びこれを備えたガスタービン Download PDFInfo
- Publication number
- WO2004051063A1 WO2004051063A1 PCT/JP2003/015298 JP0315298W WO2004051063A1 WO 2004051063 A1 WO2004051063 A1 WO 2004051063A1 JP 0315298 W JP0315298 W JP 0315298W WO 2004051063 A1 WO2004051063 A1 WO 2004051063A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas turbine
- turbine combustor
- throat
- combustor according
- resistor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
-
- 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
- F23M20/00—Details of combustion chambers, not otherwise provided for, e.g. means for storing heat from flames
- F23M20/005—Noise absorbing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
- F05B2260/962—Preventing, counteracting or reducing vibration or noise by means creating "anti-noise"
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00014—Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- the present invention relates to a gas turbine combustor (hereinafter, sometimes referred to as a “combustor”) and a gas turbine including the same, and in particular, reduces combustion oscillation to achieve low NO x (nitrogen oxide).
- combustor gas turbine combustor
- NO x nitrogen oxide
- gas turbines have an air compressor (hereinafter sometimes referred to as “compressor”), a combustor, and a turbine as main components, and burn between a compressor and a turbine directly connected to each other by a main shaft.
- compressor air compressor
- combustor combustor
- turbine combustor
- turbine a turbine
- the working fluid is sucked into the compressor by the rotation of the main shaft and compressed, and the compressed air is introduced into the combustor and burns together with the fuel.
- Such a gas turbine is used as a drive source by connecting a generator, etc. to the front end of the main shaft, and as a jet engine by arranging an exhaust port for combustion gas injection in front of the turbine. Be utilized.
- the combustion method used in the combustor is to mix fuel and compressed air in advance.
- the premixed combustion system in which combustion is performed later is mainly used. In this premixed combustion method, since the fuel is dispersed uniformly and leanly in the compressed air, it is possible to prevent a local rise in the combustion flame temperature, thereby increasing the combustion flame temperature. This makes it possible to reduce the amount of NOX generated.
- the gas turbine 1 is mainly composed of a compressor 2, a gas turbine combustor 3, and a turbine 4.
- Combustor 3 Is mounted in a casing 5 having a cavity formed between the compressor 2 and the turbine 4 and has an inner cylinder 6 having a combustion area, a transition piece 7 connected to a front end of the inner cylinder 6, an inner cylinder.
- An outer cylinder 8 arranged concentrically with 6, a pie nozzle 9 arranged on the axis of the inner cylinder 6 from the rear end, and circumferentially equally spaced around the pilot nozzle 9 around the pilot nozzle 9.
- the compressed air compressed by the compressor 2 flows into the vehicle interior 5 (open arrow in the figure), and the outer peripheral surface of the inner cylinder 6 and the inner peripheral surface of the outer cylinder 8 After passing through the tubular space formed by (1), it is inverted by approximately 180 degrees (solid arrow in the figure) and introduced into the cylinder 6 from the rear end side.
- the fuel is injected into a pilot burner (not shown) at the front end of the pilot nozzle 9 to diffuse and combust with the fuel injected into the main burner (not shown) at the front end of each main nozzle 10.
- This combustion gas is discharged from the front end through the transition piece 7 and drives the turbine 4.
- a part of the compressed air in the cabin 5 (hereinafter sometimes referred to as “bypass air”) is supplied from the bypass duct 11 to the transition piece 7, which adjusts the combustion gas concentration. Play a role.
- the above-mentioned premixed combustion method is superior in reducing NOX at first glance, but because the flame is thin and burns in a short time in a narrow range, the combustion energy per unit space becomes excessive and combustion oscillation is likely to occur. There is a problem.
- This combustion vibration is generated by converting part of the combustion energy into vibration energy.
- the combustion vibration propagates as a pressure wave and resonates with the acoustic system composed of the casing such as the combustor and the gas turbine, the remarkable vibration occurs. Not only does it cause noise and noise, it also induces pressure fluctuations and heat generation fluctuations in the combustor, making the combustion state unstable and, as a result, hindering the reduction of NOX.
- a conventional combustor designed to reduce combustion vibration it has a combustion area inside There is a cylindrical inner tube or tail tube in which a resonator having a cavity is annularly mounted on the outer periphery and a sound absorbing hole opening in the cavity is formed (see, for example, Japanese Patent Application Laid-Open No. 200-202). No. 1 744 277 (see pages 3-5, Fig. 1-3).
- the fluid particles which are the vibration elements of the combustion vibration generated in the combustion region, resonate with the air in the cavity in the resonator, vibrate through the sound absorbing holes, and their amplitudes are attenuated. In this way, combustion vibration can be reduced, and NOx reduction can be realized for the time being.
- the present invention has been made in view of the above problems, and has as its object to provide a gas turbine combustor capable of reducing combustion oscillation and a gas turbine in order to stably realize low NOX. Things. Further, an object of the present invention is to provide a gas turbine combustor and a gas turbine capable of reducing combustion oscillation regardless of a frequency range.
- a gas turbine combustor is a gas turbine combustor comprising a cylindrical body having a combustion area therein, wherein the first gas turbine combustor is provided outside the cylindrical body and has a predetermined volume.
- a first box forming an internal space, and a first throat having a predetermined length and having one end open to the combustion region or a downstream region thereof and the other end opening to the first internal space.
- a first resistor having a large number of through holes is inserted into the one end of the first throat.
- the fluid particles which are the vibration elements of the combustion vibration generated in the combustion zone, are effectively captured by the first resistor, and at the same time, air and the air in the first internal space connected by the first throat are connected. Resonates, vibrates near the first resistor, and its amplitude is attenuated.
- combustion oscillation can be reduced, and stable NOX reduction can be realized.
- the target at which one end of the first throat is opened is an inner cylinder, a transition piece, or a bypass duct connected to a side wall of the cylinder.
- a gas turbine combustor is a gas turbine combustor comprising a cylinder having a combustion region therein, wherein the gas turbine combustor is provided outside the cylinder to define an internal space having a predetermined volume. And a throat of a predetermined length, one end of which is open to the upstream region of the combustion region and the other end is open to the internal space, wherein a number of through holes are provided at the one end of the throat.
- the inserted resistor is inserted.
- the fluid particles which are the vibration elements of the combustion vibration generated in the combustion area, are effectively captured by the resistor, and resonate with the air in the internal space of the box connected by the throat, and the vicinity of the resistor And the amplitude is attenuated.
- combustion vibration can be reduced, and stable NOX reduction can be realized.
- the target at which one end of the slot is opened is the inner cylinder that forms the cylindrical body, or the outer cylinder that is arranged concentrically with the inner cylinder.
- a gas turbine according to the present invention for achieving the above object has an air compressor and a turbine directly connected to each other by a main shaft, and is disposed on the same circumference with respect to the main shaft between the air compressor and the turbine.
- a plurality of gas turbine combustors each comprising a cylinder having a combustion area therein, wherein a first gas turbine disposed coaxially with the main shaft and disposed outside a rear end of each of the cylinders.
- a first throat having a predetermined length, each end of which opens to an upstream region from each of the combustion regions, and each other end of which opens into the first annular tube,
- a first resistor having a large number of through holes is fitted at each end of each first throat.
- an object to be opened at each end of each first throat is each inner cylinder constituting each cylindrical body, or each outer cylinder arranged concentrically with each inner cylinder.
- a gas turbine combustor according to the present invention includes a cylinder having a combustion region therein, one end of which opens into the combustion region or the downstream region of the cylinder, and the other end. Is a bag that opens into the vehicle interior forming the periphery of the cylindrical body.
- a plate-like member having a large number of through holes and crossing the bypass duct is disposed.
- the fluid particles which are the vibration elements of the combustion vibration generated in the combustion zone, are introduced from one end of the bypass duct, are effectively captured in the respective through holes of the plate-like member, and are connected to the vehicle interior by the bypass duct. Resonates with the air and vibrates through each through hole, and its amplitude is attenuated.
- combustion oscillation can be reduced, and stable NOX reduction can be realized.
- a gas turbine combustor according to the present invention has a tubular body having a combustion region inside, and one end opening to the combustion region in the tubular body or a downstream region thereof, In a gas turbine combustor, the other end of which is opened into a vehicle interior forming the periphery of the cylindrical body; A protruding tube protruding from at least one surface of the partition wall, and a resistor having a large number of through holes fitted into the protruding tube.
- the fluid particles are effectively trapped by the resistor, resonate with the air in the space from the partition wall to the other end in the bypass duct connected by the protruding pipe, vibrate near the resistor, and the amplitude thereof is reduced. Attenuated. In this way, combustion vibration can be reduced, and stable reduction of NOx can be realized.
- a gas turbine according to the present invention for achieving the above object includes an air compressor, any one of the gas turbine combustors described above, and a turbine. Therefore, stable NOx reduction can be realized, and thereby NOx in exhaust gas can be reduced.
- a gas turbine combustor is a gas turbine combustor comprising a cylinder having a combustion area therein, wherein the cylinder has a resonator having a cavity outside.
- a first box that is arranged in the station and has a sound absorbing hole that opens into the cavity, and that is disposed adjacent to the resonator to form a first internal space having a predetermined volume;
- a first throat having a predetermined length that opens into the cavity and has the other end opening into the first internal space.
- the fluid particles, which are the vibration components in the high frequency range, of the combustion vibration generated in the combustion region resonate with the air in the cavity in the resonator, vibrate through the sound absorbing holes, and their amplitude is attenuated.
- the fluid particles, which are the vibration elements in the low frequency range resonate with the air in the first internal space connected by the first throat through the cavity of the resonator ⁇ , and vibrate through the sound absorbing holes, and the amplitude thereof Is attenuated. In this way, combustion oscillation can be reduced regardless of the frequency range, and stable NOX reduction can be realized.
- a gas turbine according to the present invention for achieving the above-described further object includes an air compressor, the above-described gas turbine combustor, and a turbine. Regardless of the combustion vibration, it is possible to achieve a stable reduction of N ⁇ x by reducing the NOx in the exhaust gas.
- FIG. 1 is a sectional view showing the concept of a combustor according to a first embodiment of the present invention.
- FIG. 2 is a sectional view showing the concept of a combustor according to a second embodiment of the present invention.
- FIG. 3 is a sectional view showing the concept of a combustor according to a third embodiment of the present invention.
- FIG. 4 is a sectional view showing the concept of a combustor according to a fourth embodiment of the present invention.
- FIG. 5 is a sectional view showing the concept of a combustor according to a fifth embodiment of the present invention.
- FIG. 6 is a sectional view showing the concept of a combustor according to a sixth embodiment of the present invention.
- FIG. 7 is a sectional view illustrating the concept of a combustor according to a seventh embodiment of the present invention.
- FIG. 8 is a sectional view showing the concept of a combustor according to an eighth embodiment of the present invention.
- FIG. 9 is a longitudinal sectional view of a main part showing an example of a gas turbine to which the combustors of the first to eighth embodiments are specifically applied.
- FIG. 10 is a cross-sectional view corresponding to the AA cross section in FIG.
- FIG. 11 is a cross-sectional view corresponding to the AA cross section in FIG. 9 showing another example of the gas turbine to which the combustors of the first to eighth embodiments are specifically applied.
- FIG. 12 is a vertical sectional view of a main part schematically showing the vicinity of a combustor of a gas turbine according to a ninth embodiment of the present invention.
- FIG. 13 is a vertical sectional view of a main part schematically showing the vicinity of a combustor of a gas turbine according to a tenth embodiment of the present invention.
- FIG. 14 is a vertical sectional view of a main part schematically showing the vicinity of a combustor of the gas turbine according to the eleventh embodiment of the present invention.
- FIG. 15 is a vertical sectional view of a main part schematically showing the vicinity of a combustor of a gas turbine according to a 12th embodiment of the present invention.
- FIG. 16 is a cross-sectional view of a main part schematically showing the vicinity of the combustor of the gas turbine according to the 12th embodiment.
- FIG. 17 is a cross-sectional view of a principal part schematically showing the vicinity of a combustor of a gas turbine according to a thirteenth embodiment of the present invention.
- FIG. 18 is a vertical cross-sectional view of a principal part schematically showing the vicinity of a combustor of a gas turbine according to a fourteenth embodiment of the present invention.
- FIG. 19 is a longitudinal sectional view of a main part of a combustor according to a fifteenth embodiment of the present invention.
- FIG. 20 is a cross-sectional view of a main part of the combustor of the fifteenth embodiment.
- FIG. 21 is a longitudinal sectional view of a main part of a combustor according to a sixteenth embodiment of the present invention.
- FIG. 22 is a plan view of a plate-like member in the combustor of the sixteenth embodiment.
- FIG. 23 is a plan view of a bypass valve in the combustor of the sixteenth embodiment.
- FIGS. 24A and 24B are longitudinal cross-sectional views of a main part showing the operation of adjusting the amount of bypass air in the combustor of the sixteenth embodiment.
- FIGS. 25A and 25B are longitudinal cross-sectional views of a main part showing a damping vibration reducing operation in the combustor of the sixteenth embodiment.
- FIG. 26 is a longitudinal sectional view of a main part of a combustor according to a seventeenth embodiment of the present invention.
- FIG. 27 is a plan view of a plate member in the combustor of the seventeenth embodiment.
- FIG. 28 is a longitudinal sectional view of a main part of a combustor according to an eighteenth embodiment of the present invention.
- FIG. 29 is a longitudinal sectional view of a main part of a combustor according to a ninth embodiment of the present invention.
- FIG. 30 is a longitudinal sectional view of a main part of a combustor according to a 20th embodiment of the present invention.
- FIG. 31 is a vertical sectional view of an essential part showing an example of a combustor according to a twenty-first embodiment of the present invention.
- FIG. 32 is a longitudinal sectional view of a main part of a combustor according to a twenty-second embodiment of the present invention.
- FIG. 33 is a cross-sectional developed view in which the resonator and the first box in the combustor of the twenty-second embodiment are circumferentially cut and expanded.
- FIG. 34 is a longitudinal sectional view of a main part of a combustor according to a twenty-third embodiment of the present invention.
- FIG. 35 shows the resonator and the first box in the combustor of the 23rd embodiment in the circumferential direction. It is sectional development developed by cutting.
- FIG. 36 is a longitudinal sectional view of a main part of a combustor according to a 24th embodiment of the present invention.
- FIG. 37 is a cross-sectional developed view of the combustor of the twenty-fourth embodiment in which the resonator and the first box are cut in a circumferential direction and expanded.
- FIG. 38 is a longitudinal sectional view of a main part of a combustor according to a twenty-fifth embodiment of the present invention.
- FIG. 39 is a cross-sectional developed view of the combustor of the twenty-fifth embodiment in which the resonator and the first box are circumferentially cut and developed.
- FIG. 40 is a cross-sectional developed view showing the resonator and the first box in the combustor according to the twenty-sixth embodiment of the present invention, which are cut and developed in the circumferential direction.
- FIG. 41 is a sectional development view of a resonator and a first box in a combustor according to a twenty-seventh embodiment of the present invention, which are cut and developed in a circumferential direction.
- FIG. 42 is a sectional developed view of a resonator and a first box in a combustor according to a twenty-eighth embodiment of the present invention, which are cut and developed in a circumferential direction.
- FIG. 43 is a sectional developed view of the resonator and the first box in the combustor according to the twentieth embodiment of the present invention, which is cut and developed in the circumferential direction.
- FIG. 44 is a longitudinal sectional view of a main part of a combustor according to a thirtieth embodiment of the present invention.
- FIG. 45 is a longitudinal sectional view of a main part of a combustor according to a thirty-first embodiment of the present invention.
- FIG. 46 is a cross-sectional developed view showing the resonator and the first box in the combustor of the thirty-first embodiment, which are cut in the circumferential direction and expanded.
- FIG. 47 is a longitudinal sectional view of a main part near a combustor in a general gas turbine. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view illustrating the concept of a combustor according to a first embodiment of the present invention.
- parts having the same names and the same functions as those in FIG. 47 are denoted by the same reference numerals, and overlapping description will be omitted. The same applies to the second to eighth embodiments described later.
- the combustor 3 of the first embodiment is applied to a gas turbine 1 as shown in FIG. 47, and as shown in FIG. 1, the combustor 3 is provided outside the side wall 20a of the object 2 as shown in FIG. Box of 1
- a body 30 is provided, and a cavity in the first box body 30 forms a first internal space 31 having a predetermined volume.
- the first box 30 is connected to the side wall 20a via a tubular first throat 32 having a predetermined length, and the first throat 32 has one end 3 2a opens from the side wall 20a into the object 20 and the other end 32b opens into the first internal space 31.
- a first antibody 33 having a large number of through holes is fitted into one end 32 a of the first throat 32.
- the first resistor 33 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh.
- the target body 20 referred to here is a cylindrical body such as the inner cylinder 6 having a combustion area inside and the tail pipe 7 in the downstream area, or a bypass duct 11 connected to their side walls. Combustion oscillations can propagate.
- the first box 30 is an air container that stores air for resonance with respect to fluid particles that are vibration elements of combustion vibration generated in the combustion region in the inner cylinder 6. It works as also, the first throat 32 functions as a relay connecting the object 20 and the first box 30. Further, the first resistor 33 functions as a traversing body that crosses the inside of the first throat 32, and furthermore, the through-holes thereof have fluid particles due to resonance with air in the first box 30. Functions as a vibrating vent. Thus, with respect to the combustion vibration generated in the combustion region in the cylinder 6, the fluid particles, which are the vibration elements, propagate through the object 20 and are effectively captured by the first resistor 33.
- one first throat 32 is provided for the first box 30.
- two or more first throats may be provided.
- the first embodiment takes into account combustion oscillation particularly in a low frequency range. This is because when the combustion oscillation is in the low frequency region, it is necessary to reduce the cross-sectional area in the first throat 32 in the first embodiment, but inevitably, the presence of the first resistor 33 is inevitable. Because the area is smaller, the percentage of fluid particles that can be trapped is This is because the contribution to the reduction of combustion vibration becomes insufficient as a whole.
- a stepped tubular one whose inner periphery is rapidly expanded near the center from the other end 32 b to one end 32 a is applied as the first throat 32.
- the opening area of one end 32a is wider than the other end 32b.
- the first resistor 33 is fitted into the one end 32a.
- the area in which the first resistor 33 is present can be enlarged while reducing the cross-sectional area of the inside of the first throat 32, that is, the other end 32b, so that the fluid particles in the low frequency range Therefore, the contribution to the reduction of combustion vibration becomes sufficient as a whole. Therefore, it becomes possible to sufficiently reduce combustion vibration in the low frequency range as a whole.
- the feature of the third embodiment is that consideration is given to the adverse effects that occur in the second embodiment. This is because, as in the second embodiment, the opening area of one end 32 a of the first throat 32 is wider than the other end 32 b, that is, the volume in the first throat 32 is increased. And a phase difference does not occur between the pressure fluctuations in the space in the first throat 32 separated by the first resistor 33 and in the space of the object 20 (“10” in the figure) In this case, the fluid particles do not oscillate in the vicinity of the first resistor 33, which causes a problem that it is not possible to sufficiently reduce the combustion oscillation in the low-frequency range. It is.
- a resistor 34 having a large number of through holes is fitted to the other end 32 b of the first throat 32.
- the resistor 34 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh, like the first resistor 33.
- the other end 32 b of the first throat 32 protrudes into the first internal space 31, and a large number of through holes 35 are formed in this protruding portion.
- the fluid particles effectively vibrate in the through holes 35 with the same operation as the resistor 34 in the third embodiment. Therefore, as in the third embodiment, the combustion vibration in the low frequency range is performed. Can be sufficiently reduced.
- the feature of the fifth embodiment lies in that the combustion vibration in the low frequency range is reduced as a whole more sufficiently, and the first box 3 which is the main configuration of the first to fourth embodiments is used. A number of 0 etc. are juxtaposed.
- the region where the first resistor 33 is present can be expanded as a whole, so that the trapping ratio of fluid particles in the low frequency range increases, and the combustion vibration in the low frequency range as a whole increases. It is possible to reduce it more sufficiently.
- FIG. 5 a plurality of first boxes 30 and the like (see FIG. 4) of the fourth embodiment are arranged in parallel. However, the opening on the other end 3 2 b side of the first throat 32. At least one of the area, the length, or the volume of each first internal space 31 formed by each first box 30 is different from each other. Accordingly, the vibration characteristics corresponding to each of the first boxes 30 and the like are different, so that it is possible to cope with various combustion vibrations having different frequency ranges without omission.
- the fifth embodiment further considers combustion oscillation in a high frequency range. This is because, in the case of combustion oscillation in a high frequency range, since the wavelength is short, a phase difference of pressure fluctuation occurs in the first internal space 31 itself, and the first resistor 33 or the resistor This is because the fluid particles do not oscillate sufficiently near the antibody 34, and the combustion oscillations in the high frequency range cannot be reduced sufficiently as it is.
- At least one of the first internal spaces 31 is provided with the resistor 36 having a large number of through holes.
- the resistor 36 like the first resistor 33 and the resistor 34, is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh.
- the feature of the seventh embodiment is that, similar to the sixth embodiment, consideration is given to combustion oscillation in a high frequency range in the fifth embodiment.
- At least one of the first boxes 30 protrudes into the first internal space 31 and has a continuous passage from the other end 3 2 b of the first throat 32.
- a protruding plate 37 having a large number of through holes is formed.
- the feature of the eighth embodiment lies in the point that the combustion vibration is efficiently reduced, and the first box 30 and the like, which are the main components of the first to seventh embodiments, are provided as if they were plurally connected. It is in such a mode.
- a second box 40 similar to this is continuously provided outside the first box 30, and a predetermined volume is defined by the cavity in the second box 40.
- a second internal space 41 is formed.
- the second box 40 is connected to the first box 30 via a tubular second throat 42 having a predetermined length, like the first throat 32,
- This second throat 42 has one end 42 a located on the first box 30 side opened in the first internal space 31, and the other end located on the second box 40 side.
- 4 2 b opens into the second internal space 41.
- a second antibody 43 having a large number of through holes is fitted into one end 42 a of the second throat 42.
- the second resistor 43 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh, like the first resistor 33.
- one second box 40 is provided in series with each first box 30.
- two or more boxes may be provided in series. In that case, it is sufficient to connect the adjacent second boxes 40 with the above-mentioned second throats 42, respectively.
- the opening area of one end 42 a of the second throat 42 is wider than the other end 42 b.
- a resistor having a large number of through holes is fitted on the other end 42 side of the second throat 42.
- the other end 42b of the second throat 42 projects into the second internal space 41, and a large number of through holes are formed in this projection. Have been.
- a plurality of second boxes 40 and the like are arranged side by side in accordance with the first boxes 30 and the like in the fifth embodiment, and an opening on the other end 4 2 b side of the second throat 42 is provided. At least one of the area or length or the volume of each second internal space 41 is different for each second box 40.
- a resistor having a large number of through holes is provided in at least one of the second partial spaces 41.
- the protruding plate 37 in the seventh embodiment at least one of the second boxes 40 protrudes into the second internal space 41 and the other end 4 2 b of the second throat 42.
- FIG. 9 is a longitudinal sectional view of a main part of a gas turbine to which the combustors of the first to eighth embodiments are specifically applied
- FIG. 10 is a transverse sectional view corresponding to a section taken along line AA of FIG.
- FIG. 11 shows another example of the gas turbine to which the combustors of the above-described first to eighth embodiments are specifically applied, and is a cross-sectional view corresponding to an A-A cross section in FIG. It is.
- Parts having the same names and the same functions as those in FIGS. 1 to 8 are denoted by the same reference numerals in the figures, and overlapping description will be omitted.
- a first box 30 having a fan shape in a side view is disposed along the outside of the elbow of the bypass duct 11.
- the first box 30 has a circular cross section 30 a and a bent portion 30 b extending from both ends thereof to the side wall 11 a of the bypass duct 11,
- a first internal space 31 is formed by the arc portion 30a, the bent portion 30b, and the side wall 11a.
- first throats 32 protruding from the side wall 11 a are arranged at equal angular intervals. Each end 3 2a of these first throats 32 opens into the bypass duct 11 from the side wall 11a, while each other end 3 2b opens into the first internal space 31. . Further, a first resistor 33 having a large number of through holes is fitted into one end 32 a of each first throat 32. That is, the configurations shown in FIG. 9 and FIG. 10 employ the bypass duct 11 as the object 20 and conform to the above-described first embodiment. Further, the configuration shown in FIG. 11 employs bypass duct 11 as the object 20 and is similar to the above-described fifth embodiment.
- the reason why the bypass duct 11 is adopted as the target body 20 is that, in order to effectively reduce the combustion vibration, the first internal space 31 has a certain size and the first throat 32 has a certain size. This is because a certain length is required, and the vicinity of the bypass duct 11, which has a relatively large space, is preferable. This makes it possible to easily install the first box 30 and the first throat 32, which are provided to form the first internal space 31, and to effectively reduce combustion vibration. A first internal space 31 of a certain size required for reduction and a first slot of a certain length There is an advantage that a sufficient amount can be secured.
- the cross-sectional shapes of the first throat 32 and the second throat 42 may be not only circular but also polygonal.
- FIG. 12 is a vertical sectional view of a main part schematically showing the vicinity of a combustor of a gas turbine according to a ninth embodiment of the present invention.
- parts having the same names and the same functions as those in FIG. 47 are denoted by the same reference numerals, and overlapping description will be omitted. The same applies to the tenth to fourteenth embodiments described later.
- the combustor 3 of the ninth embodiment has the same basic configuration as that applied to the gas turbine 1 as shown in FIG. 47, but differs in the following points. That is, as shown in FIG. 12, a box 150 is provided outside the rear end wall of the outer cylinder 8, and a cavity in the box 150 forms an internal space of a predetermined volume. Have been. Further, the box 150 is connected to the rear end wall of the outer cylinder 8 via a tubular throat 150 having a predetermined length, and the throat 1 ′ 51 is connected to one end 15 1 a Is open in the outer cylinder 8, that is, upstream of the combustion area, and the other end 15 1 b is open in the internal space of the box 150. Further, a resistor 152 having a large number of through holes is fitted into one end 151 a of the throat 15 1. The resistor 152 is, for example, a punched metal, a ceramic sintered metal, or a sintered wire mesh.
- the box 150 functions as an air container that stores air for resonance with respect to fluid particles that are vibration elements of combustion vibration generated in the combustion region in the inner cylinder 6.
- the throat 15 1 functions as a relay connecting the outer cylinder 8 and the box 150.
- the resistor 152 functions as a traversing body that traverses the throat 151, and further has a through hole through which the fluid particles vibrate due to resonance with the air in the box 150. Function as Thus, with respect to the combustion vibration generated in the combustion region in the inner cylinder 6, the fluid particles, which are the vibration elements, propagate through the inner cylinder 6 into the outer cylinder 8, and then to the resistor 15 2. Effectively captured.
- the white arrows in the figure indicate the flow of the compressed air compressed by the compressor 2, and the compressed air first flows into the vehicle interior 5, and then the outer peripheral surface of the inner cylinder 6 and the outer cylinder After passing through a tubular space formed by the inner peripheral surface of the inner cylinder 8 and the inner peripheral surface of the inner cylinder 8, it is turned around 180 degrees and introduced into the inner cylinder 6 from the rear end side. Then, the fuel is diffused and premixed with the fuel in the inner cylinder 6, and the resulting combustion gas is discharged toward the turbine 4 from the front end through the transition piece 7.
- the structure of the box 150 in the ninth embodiment is simplified. This means that the inner space of the box 150 is at a much higher pressure than the atmospheric pressure, but as shown in Fig. 12, the box 150 itself is outside the combustor 3, that is, under the atmospheric pressure. If it is installed, a significant pressure difference will occur inside and outside the box 150, so the box 150 must have a pressure-resistant structure that can withstand the pressure difference. This is because there is a possibility that the size will be increased as described above.
- the box 150 is disposed in the vehicle interior 5.
- the throat 15 1 is bent and the casing of the cabin 5 is inserted therethrough.
- the box 150 itself is placed in the cabin 5 under substantially the same pressure as its internal space, so that there is almost no pressure difference between inside and outside. Therefore, no special pressure-resistant structure is required for the box 150, and the box 150 does not become unnecessarily large.
- one end 15 1 a of the throat 15 1 opens into the inner cylinder 6 from a portion of the side wall of the inner cylinder 6 that is upstream of the combustion region.
- FIG. 14 is based on the tenth embodiment (see FIG. 13), the case in which the box 150 is disposed in the cabin 5 is changed, but of course, the ninth embodiment is performed. Modifications may be made to those conforming to the form (see Fig. 12). In this case, it is sufficient that the throat 15 1 is connected to the side wall of the inner cylinder 6 through the rear end wall or the side wall of the outer cylinder 8.
- the fluid particles resonate with the air in the internal space of the box 150 and vibrate around the resistor 1552, and amplitude Is attenuated.
- the opening target of one end 15 1 a of the throat 15 1 may be the side wall of the outer cylinder 8.
- the feature of the 12th embodiment is that the combustion vibration is reduced while considering the practicality of the gas turbine as a whole.
- each combustor 3 is arranged at equal angular intervals on the same circumference with respect to the main shaft J directly connecting the air compressor 2 and the turbine 4 (60 in FIG. 16). 6 in degree pitch).
- a first annular pipe body 130 coaxial with the main axis J and having an annular internal space is disposed outside the rear end wall of each outer cylinder 8.
- the first annular pipe 130 is connected to the rear end wall of each outer cylinder 8 via a tubular first throat 13 1 having a predetermined length, and these first throats are connected to each other.
- 13 1 each end 13 1 a opens into the outer cylinder 8 ⁇ , that is, upstream of the combustion area, and each other end 13 1 b opens into the first annular pipe 130. ing.
- a first resistor 1332 having a number of through holes is fitted into one end 13a of the first throat 131.
- the first resistor 1332 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire net, similarly to the resistor 152 in the ninth to eleventh embodiments.
- the first tubular body 130 contains air for resonance with respect to fluid particles that are vibration elements of combustion vibration generated in the combustion region in each inner cylinder 6. Functions as an air container.
- each first throat 13 1 functions as a relay body that connects each outer cylinder 8 and the first tubular tube 130.
- each first resistor 13 2 functions as a cross body that crosses the inside of the first throat 13 1, and the through hole of the first resistor 13 2 communicates with the air in the first tubular tube 130. Where the fluid particles are vibrated by the resonance of the air Functions as a hole.
- the fluid particles which are the vibration elements of the combustion vibration generated in the combustion area in each inner cylinder 6, are effectively captured by each first resistor 1332 and each first throat 1 32 Resonating with the air in the first annular pipe 130 connected by 31, it vibrates in the vicinity of each first resistor 132. Due to this vibration, the amplitude of the fluid particles in each combustor 3 is attenuated, and the combustion vibration is reduced. As a result, stable NOX reduction can be achieved for the entire gas turbine, and as a result, NOX reduction in exhaust gas can be achieved.
- the feature of the thirteenth embodiment is that the fluid particles are more effectively vibrated in the vicinity of each first resistor 13 in the first embodiment. This is because the internal space of the first annular pipe 130 in the 12th embodiment is a single continuous space, and a phase difference of pressure fluctuation may occur in the internal space itself, In this case, the fluid particles do not sufficiently vibrate in the vicinity of each first resistor 13 2, so that the combustion vibration cannot be sufficiently reduced in this state.
- a first partition 135 is provided between the other ends 13 1 b of the first throats 13 1 in the first annular pipe 130.
- the internal space of the first annular tubular body 130 which was one continuous space, is divided by the first partition wall 135 for each first throat 131, that is, for each combustor 3.
- the occurrence of a phase difference of the pressure fluctuation in each of the divided spaces is suppressed. Therefore, since the fluid particles effectively and sufficiently vibrate in the vicinity of each of the first resistors 13 2, the combustion vibration can be sufficiently reduced.
- the feature of the 14th embodiment is that the combustion oscillation in the 12th and 13th embodiments is efficiently reduced.
- a second annular pipe having an annular internal space coaxial with the main axis J is provided outside the first annular pipe 130. 140 are connected in series.
- the second annular pipe 140 is provided with a first annular pipe via a tubular second throat 144 corresponding to each first throat 13 1 having a predetermined length.
- Each of the second throats 14 1 is connected to the first annular tube 13 1, and one end 14 1 a of the second throat 14 1 located on the first annular tube 13 0 side is connected to the first annular tube 13.
- each of the other ends 14 1 b located on the side of the second annular tube 140 opens into the second annular tube 140.
- a second resistor 144 having a large number of through holes is fitted to each end 141a of each second throat 141.
- These second resistors 1442 are, for example, a punching metal, a ceramic sintered metal, or a sintered metal mesh, like the first resistor 132.
- the fluid particles in addition to the vibration in the vicinity of each first resistor 1332, the fluid particles generate the second annular pipe 140 connected by each second throat 144. Resonates with the air inside and oscillates near each second resistor 142, and its amplitude is attenuated. Therefore, the fluid particles can be vibrated in many places, and the combustion vibration can be reduced efficiently.
- one second annular pipe 140 is connected to the first annular pipe 130, but two or more second annular pipes may be connected. In this case, it is sufficient to connect the adjacent second annular pipes 140 with the above-described second throats 141, respectively.
- a second partition wall (each between the other ends 14 1 b of the respective second throats 14 1 in the second annular pipe 140). (Not shown) may be provided.
- the internal space of the second annular pipe 140 which was a continuous single space, becomes every second throat 1441, that is, every combustor 3 via the first throat 13 1
- the partition walls are divided by the second partition walls, and the occurrence of a phase difference in pressure fluctuation in each of the divided spaces is suppressed. Therefore, the fluid particles vibrate effectively and sufficiently in the vicinity of each second resistor 14 2, and in combination with the vibration of the fluid particles in the vicinity of each first resistor 13 2, the combustion oscillation is more sufficiently reduced. Can be reduced.
- each first throat 13 1 may be the side wall of the inner cylinder 6 or the side wall of the outer cylinder 8 as long as it is a portion in the upstream region from the combustion region.
- the cross-sectional shapes of the throat 151, the first slot 131, and the second throat 141 are not limited to circular shapes but polygonal shapes. Hot It does not matter.
- FIG. 19 is a longitudinal sectional view of a combustor according to a fifteenth embodiment of the present invention
- FIG. 20 is a cross-sectional view of a main part of the combustor.
- the same reference numerals are given to portions having the same names and the same functions as those in FIG. 47, and redundant description will be omitted. The same applies to the 16th to 21st embodiments described later.
- the combustor 3 of the fifteenth embodiment is applied to a gas turbine 1 as shown in FIG. 47, and has an inner cylinder 6 having a combustion region as shown in FIGS. (Not shown), a transition piece 7 is connected to the front end, and a cylinder body is formed by the inner cylinder 6 and a transition piece 7 in a downstream area thereof.
- a bypass duct 11 is connected to the side wall of the transition piece 7, one end 11 a of which is open in the transition piece 7, and the other end 11 b is in the vehicle compartment 5 which forms the periphery of the cylinder. It is open.
- the bypass duct 11 is provided with a plate-like member 250 so as to cross the bypass duct 11, and the plate-like member 250 has a large number of through holes 251 formed therein.
- a plate-like member 250 is not limited to a metal plate having a through hole 251, but may be, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh.
- the vehicle cabin 5 functions as an air container that stores air for resonance with respect to fluid particles that are vibration elements of combustion vibration generated in the combustion region in the inner cylinder 6.
- the bypass duct 11 functions as a relay connecting the transition piece 7 and the cabin 5.
- the plate-like member 250 functions as a traversing body that traverses the bypass duct 11, and the through-hole 251 of the plate-like member 250 oscillates with the fluid particles due to resonance with the air in the cabin 5. Function as a vent.
- the fluid particle is a vibration element, propagates through the transition piece 7 and then introduced from one end 1 1 a of Baipasudaku sheet 1 1 It is effectively trapped in each through hole 25 1 of the plate member 250. Then, it resonates with the air in the vehicle cabin 5 connected by the bypass duct 11 and vibrates through the through holes 25 1. Due to this vibration, the amplitude of the fluid particles is attenuated, and the combustion vibration is reduced. As a result, stable NOX reduction can be achieved.
- one plate member 250 is provided for the bypass duct 11.
- two or more can be connected.
- the combustion vibration can be reduced without impairing the original function of the bypass duct 11, and secondly, various combustion vibrations having different frequency ranges can be prevented. However, the point is to make it easy to handle.
- the bypass duct 11 originally has a function of adjusting the concentration of the combustion gas by introducing bypass air from the vehicle cabin 5 into the cylinder (tail tube 7), that is, the flow rate of the bypass air.
- the plate member 250 becomes an obstacle and the flow rate of the bypass air becomes insufficient. This is because the function may not be fulfilled.
- the response of the damping to various frequency ranges in the combustion oscillation is as follows.
- the through hole 2 Because it is determined by the ratio of the opening area in (1) (hereinafter sometimes referred to as “opening ratio”), the damping response may be significantly reduced depending on the frequency range of the oscillating combustion.
- the plate-like member 250 can slide in the transverse direction (the arrow X in the figure) with respect to the bypass duct 11.
- the plate-like member 250 has substantially the same size as the cross section 11 c of the bypass duct 11, and the ratio of the opening area of the through hole 25 1 Different through-hole existence areas A 1, A 2,... Are formed, and further, a through-area B penetrating with approximately the same size as the cross section 11 c is formed.
- the aperture ratio of the through-hole existence area A2 is larger than that of the through-hole existence area A1.
- the bypass duct 11 is provided with a bypass valve 12 adjacent to the plate-like member 250, and the bypass valve 12 is, similarly to the plate-like member 250, provided with a bypass valve.
- the slide can be moved in the transverse direction to 11 (arrow Y in Fig. 21).
- the bypass valve 12 is configured as shown in FIG.
- a ring-shaped plate coaxial with the main shaft of the gas turbine 1 is referred to as a substrate portion 12a, and the substrate portion 12a is disposed so as to cross the bypass duct 11 of each combustor 3. You.
- a through-hole 12b corresponding to each of the bypass ducts 11 is formed in the board portion 12a, and a radially protruding bypass valve variable mechanism 13 is formed on the outer periphery of the board portion 12a.
- the lever 1 2c connected to is fixed.
- the lever 12 c By driving the bypass valve variable mechanism 13, the lever 12 c moves in the circumferential direction, and accordingly, the substrate section 12 a slides in the circumferential direction, that is, the bypass duct i ⁇ It will slide in the transverse direction (arrow Y in Fig. 21).
- the plate member 250 slides so that the penetration area B fits into the area corresponding to the cross section of the bypass duct 11.
- the bypass valve 12 is slid so that the through hole 1 2b is not engaged (see Fig. 24A), and the bypass duct 11 is completely opened to completely open the bypass air.
- slide the bypass valve 12 so that the through-hole 12b closes to a region corresponding to the cross section of the bypass duct 11 (see FIG. 24B).
- FIG. 25A shows a state in which the through-hole existence area A1 is selected
- FIG. 25B shows a state in which the through-hole existence area A2 is selected.
- combustion vibrations in various frequency ranges can be reliably reduced without impairing the original function of the bypass duct.
- FIG. 26 and 27 The features of the seventeenth embodiment are that, as in the sixteenth embodiment, the combustion vibration can be reduced without impairing the original function of the bypass duct 11 and various combustion vibrations having different frequency ranges. In order to deal with this problem, it has been attempted to make it easier to deal with, and to further simplify the configuration.
- a through hole is provided in the plate member 250.
- a through-hole absent area C having substantially the same size as the cross section 11 c of the bypass duct 11 and having no through-hole 25 1. Is formed.
- the plate-like member 250 when adjusting the flow rate of the bypass air, the plate-like member 250 is appropriately moved by sliding, so that the through-hole existence areas A 1, A 2,. Is selected such that the through-hole-free region C matches the region corresponding to the cross section of the bypass duct 11.
- the degree of opening and closing of the bypass valve 12 is adjusted, and the flow rate of bypass air, which is the primary function of the bypass duct 11, is adjusted.
- the combustion vibration in various frequency ranges can be reliably reduced without impairing the original function of the bypass duct.
- the bypass valve 1 as in the sixteenth embodiment can be reduced. There is no need to provide a separate 2; that is, since the function of the bypass valve 12 is shared by the plate member 250, the configuration can be simplified. There are advantages.
- the feature of the eighteenth embodiment is that in the combustor 3 of the fifteenth to seventeenth embodiments, the degree of reduction of the combustion vibration can be adjusted. This is because the degree to which the combustion vibration is reduced depends on the degree to which the bypass duct 11 opens from the open end to the cabin 5 (the other end 11 b in FIGS. 19, 21 and 26). This is because the distance fluctuates at a distance L to 0.
- a cylindrical member 255 having a predetermined length which can protrude in the axial direction and is fitted to the other end 11 b of the bypass duct 11.
- the distance L is substantially extended from the plate member 250 to the tip of the cylindrical member 255. Therefore, by adjusting the amount of protrusion of the cylindrical member 255, the distance L can be adjusted freely, and the degree of reduction of the combustion vibration that fluctuates according to the distance L can be adjusted. As a result, combustion oscillation can be set to be sufficiently reduced.
- the air for resonance that induces the vibration of the fluid particles is the air in the cabin 5 in the combustor 3 in the fifteenth to eighteenth embodiments.
- the air is in the bypass duct 11.
- the partition wall 260 is disposed near and crossing one end 11 a of the bypass duct 11. Is provided with a protruding tube 261 that fits through a partition wall 260 and protrudes on at least one surface. Further, an antibody 262 having a large number of through holes is fitted into the protruding tube 261. For example, a punching metal, a ceramic sintered metal, or a sintered wire mesh is applied to the resistor 262.
- the bypass duct 11 functions as an air container that stores air for resonance with fluid particles, which are vibration elements of combustion vibration generated in the combustion region in the inner cylinder 6.
- the partition wall 260 and the protruding pipe 261 function as a relay body that connects the transition piece 7 and the bypass duct 11.
- the resistor 26 2 functions as a traversing body traversing the protruding pipe 26 1, and furthermore, the through hole of the resistor 26 2 is a ventilation hole through which fluid particles vibrate due to resonance with air in the bypass duct 11.
- the fluid particles propagate through the transition piece 7, and then are introduced from one end 11a of the bypass duct 11 and project from the protruding pipe 26. Effectively captured by resistor 2 6 2 in 1 Then, from the partition 260 in the bypass duct 11 connected by the protruding pipe 261, the other end 11b resonates with the air in the space and vibrates near the resistor 262. Due to this vibration, the amplitude of the fluid particles is attenuated, and the combustion vibration is reduced. As a result, stable low NOX can be achieved.
- one protruding tube 261 and one resistor 262 are provided for the partition wall 260, respectively.
- the feature of the present 20th embodiment resides in that the combustion oscillation is efficiently reduced in the combustor 3 of the 19th embodiment.
- each of the partition walls 260 includes a protruding tube 26 1 and a resistor 26 2.
- the fluid particles resonate with the air in each space between the partitions 260 connected by the protruding pipes 261, oscillate near the resistors 262, and their amplitudes are attenuated. Therefore, the fluid particles can be vibrated in many places, and the combustion vibration can be reduced efficiently.
- the feature of the present twenty-first embodiment lies in that the combustion oscillation is more sufficiently reduced in the combustor 3 of the fifteenth to twenty-fifth embodiments. An example of the configuration is shown in FIG. .
- a box 230 is provided outside the side wall of the bypass duct 11, A cavity inside the box 230 forms an internal space 231 having a predetermined volume.
- the box 230 is connected to the side wall of the bypass duct 11 via a tubular throat 23 having a predetermined length, and the throat 23 opens into the bypass duct 11. And open to the inner space 2 3 1.
- a resistor 233 having a large number of through holes is fitted in the throat 232.
- the resistor 233 is, for example, a punched metal, a ceramic sintered metal, or a sintered wire mesh, like the resistor 262 in the ninth and twentieth embodiments.
- a box 230 which is a characteristic configuration of this embodiment, is added based on the configuration according to the 15th to 18th embodiments. 19, It may be added to the configuration according to the 20th embodiment.
- the object to be connected by the throat 2 32 is not limited to the wall surface of the bypass duct 11 but may be the wall surface of the inner cylinder 6 or the transition piece 7.
- FIG. 32 is a longitudinal sectional view of a main part of a combustor according to a twenty-second embodiment of the present invention.
- FIG. 33 is a cross-sectional view of a resonator and a first box of the combustor, which are cut in a circumferential direction and developed.
- FIG. in the figure parts having the same names and the same functions as those in FIG. 47 are denoted by the same reference numerals, and overlapping description will be omitted. The same applies to the 23rd to 31st embodiments described later.
- the combustor 3 of the present second embodiment is applied to a gas turbine 1 as shown in FIG. 47, and a tail pipe 7 is connected to the front end of the inner pipe 6 as shown in FIG.
- a cylindrical body is formed, and a combustion area F in which combustion vibration is generated together with the combustion gas is provided inside the cylindrical body.
- a bypass duct 11 is connected to the side wall of the transition piece 7, and one end of the bypass duct 11 opens into the transition piece 7, and the other end opens into a vehicle compartment 5 (not shown) which forms the periphery of the cylinder. are doing.
- a resonator 320 (hereinafter sometimes referred to as an “acoustic liner”) is provided around the outer periphery of the side wall near the combustion region F in the transition piece 7.
- a cavity 3 2 1 is formed by the end wall and the side wall of the transition piece 7. Further, on the side wall of the transition piece 7, a plurality of sound absorption holes 3222 penetrating from the inside to the cavity 3221 are regularly arranged and formed.
- a first box body 330 is arranged adjacent to the outside of the front end wall of the acoustic liner 320 along the side wall of the transition piece 7.
- This first box The first internal space 331 having a predetermined volume is formed by the side wall and the front end wall of 330, the front end wall of the acoustic liner 320, and the side wall of the transition piece 7.
- a first throat 332 of a predetermined length protruding toward the first internal space 331 is provided on a front end wall of the acoustic liner 3220.
- one end 3 32 a opens into the cavity 3 21 of the acoustic liner 3 20 and the other end 3 32 b opens into the first internal space 3 31.
- the first box 330 is provided with air for resonance with respect to fluid particles, which are vibration elements in a low frequency range of the combustion vibration generated in the combustion region in the inner cylinder 6. It functions as an air container that accommodates air.
- the acoustic liner 3200 and the first throat 332 function as a relay connecting the transition piece 7 and the first box 3330.
- the side wall of the transition piece 7 functions as a traversing body that traverses the inside of the acoustic liner 320, and the sound absorbing hole 322 that this has has a resonance with the air in the first box 330. It functions as an air hole through which low frequency fluid particles are vibrated.
- the fluid particles which are the vibration elements in the high frequency range, of the combustion vibration, are combined with the air in the cavity 321 in the acoustic liner 320. It resonates and oscillates through the sound absorbing hole 3 2 2, and its amplitude is attenuated.
- the fluid particles which are the vibration elements in the low frequency range, resonate with the air in the first internal space 331 through the cavity 3 2 1 and the first throat 3 3 2, and pass through the sound absorption holes 3 2 2 Vibrates and its amplitude is attenuated. In this way, combustion oscillation is reduced regardless of the frequency range, and as a result, stable low NOx is realized.
- one first throat 332 is provided for the first box 330, but two or more throats may of course be provided. .
- the feature of the twenty-third embodiment is that in the twenty-second embodiment, an adverse effect on combustion vibration, particularly in a high frequency range, is avoided. This is because, in addition to the resonance of the high frequency range fluid particles with the air in the cavity 321 in the desired acoustic liner 320, the fluid particles further pass through the first throat 332 to the first internal space 3. 31 may resonate with the air, in which case the vibration of the fluid particles in the sound absorbing holes 3 2 2 becomes insufficient, and as a result, the effect of reducing the combustion vibration in the high frequency range is diminished. It is. Therefore, in the present embodiment, as shown in FIGS.
- a first resistor 33 3 having a large number of through holes is provided at one end 33 2 a of the first throat 33 2. ⁇ It is fitted.
- the first resistor 333 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh.
- the first resistor 3333 functions as a barrier against combustion vibration in a high frequency range, and the resonance with the air in the first internal space 3331 is suppressed.
- resonance with the air in the cavity 3 21 in the acoustic liner 3 20 is ensured, so that the fluid particles effectively oscillate through the sound absorbing hole 3 22 and the amplitude thereof is attenuated. is there.
- resonance with the air in the first internal space 331 is ensured with respect to combustion vibration in a low frequency range, but the first resistor 333 as a fluid particle has a resistance. Next, it is effectively captured and vibrates near this, and its amplitude is attenuated.
- FIG. The feature of the twenty-fourth embodiment is that the twenty-third embodiment particularly takes into account combustion oscillation in a low frequency range. This is because, when the combustion oscillation is in the low frequency region, the force required to reduce the cross-sectional area in the first throat 33 in the second embodiment is inevitable. This is because the existence region of the gas becomes smaller, the proportion of the fluid particles that can be trapped decreases, and the contribution to the reduction of the combustion vibration becomes insufficient as a whole.
- the inner periphery is abrupt near the center from the other end 3332b to one end 3322a.
- a stepped tubular one that expands is applied, and the opening area of one end 33a is wider than the other end 33b.
- the first resistor 3333 is fitted into the one end 3332a.
- the area in which the first resistor 33 is located can be increased while reducing the cross-sectional area of the first throat 33, that is, the other end 3332b.
- the trapping ratio of the fluid particles in the frequency range is increased, and as a result, the contribution to the reduction of combustion oscillation is sufficient. Therefore, it becomes possible to sufficiently reduce combustion oscillation in the low frequency range as a whole.
- the feature of the twenty-fifth embodiment is that consideration is given to the adverse effects that occur in the twenty-fourth embodiment. This is because, as in the twenty-fourth embodiment, the opening area of one end 33a of the first throat 3332 is wider than that of the other end 3332b, that is, the first throat 3332 When the volume in the inside increases, the pressure fluctuations in the space in the first slot 33 separated by the first resistor 33 and in the cavity 32 in the acoustic liner 32 In some cases, no phase difference occurs.In this case, since the fluid particles do not vibrate in the vicinity of the first resistor 3333, it is not possible to sufficiently reduce combustion vibration in a low frequency range as it is. This is because it causes adverse effects.
- a resistor 334 having a large number of through holes is fitted to the other end 332b of the first throat 332.
- the resistor 334 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh, like the first resistor 333.
- the fluid particles are used to take advantage of the phase difference. Since the vibration is effectively generated in the vicinity of the body 334, even if the vibration of the fluid particles in the vicinity of the first resistor 333 is insufficient, the combustion vibration in the low frequency range can be sufficiently reduced. Note that the position of the resistor 3334 is the same regardless of the position of the other end 332b of the first throat 332, which has a smaller cross-sectional area than one end 33a of the first throat 3332. The effect is obtained.
- the feature of the twenty-sixth embodiment is that the combustion vibration in the low frequency range is reduced as a whole more sufficiently.
- a plurality of boxes 330 are arranged in parallel with the acoustic liner 320.
- first boxes 330 arranged in the circumferential direction along the side wall of the transition piece 7 are provided outside the front end wall of the acoustic liner 320.
- the first inner spaces 331, which are arranged adjacent to each other and formed by the first boxes 330, respectively, are connected to the acoustic liners 320 through the first throats 33 provided respectively. Open to the cavity 3 2 1 I'm talking.
- the volume of the first internal space 331 can be substantially enlarged as a whole, and the resonance of the first internal space 331 with the air in the first internal space 331 against combustion vibration in a low frequency range can be achieved.
- Efficiency is improved. Therefore, the vibration efficiency of the fluid particles caused by the resonance is improved, and the combustion vibration in the low frequency region can be more sufficiently reduced as a whole.
- each first box body 330 has a common first wall surface 330a used to form a first internal space 331 of each other, and although they are directly adjacent to each other across the wall 330a, they may be disposed separately and independently.
- the opening area on the other end 3 3 2 b side of the juxtaposed first throats 3 32, or the length, or each first internal space formed by each first box body 330 If the volumes in 331 are determined in advance so as to be different from each other, the vibration characteristics corresponding to each of the first boxes 330, etc., will differ, and furthermore, various combustion vibrations with different frequency ranges will be required. Be able to respond without omission.
- the feature of the present twenty-seventh embodiment is that in the twenty-sixth embodiment, the generation of the phase difference of the pressure fluctuation in the cavity 321 in the acoustic liner 320 is suppressed. This is
- a phase difference of the pressure fluctuation may occur in the cavity 3 2 1 itself.
- the vibration of the fluid particles through the sound absorbing hole 3 22 becomes insufficient.
- the vibration of the fluid particles through the sound absorption holes 32 and the vibration of the fluid particles near the first resistor 33 33 or the resistor 34 are insufficient.
- a partition wall is provided between each one end 3 32 a of each first throat 3 32 in the cavity 3 21 of the acoustic liner 3 20.
- the cavity 3 2 1 is divided by the partition 3 2 3 for each first throat 3 32, and the occurrence of a phase difference in pressure fluctuation is suppressed in each of these divided spaces. Therefore, in the combustion vibration in the high frequency range, the vibration of the fluid particles through the sound absorption holes 3 22 is effectively and sufficiently provided, and in the combustion vibration in the low frequency range, the vibration of the fluid particles through the sound absorption holes 3 22 However, since the vibration of the fluid particles near the first resistor and the like is effectively and sufficiently provided, the combustion vibration can be sufficiently reduced.
- the feature of the present twenty-eighth embodiment is that, in the twenty-seventh embodiment described above, the phase difference of the pressure fluctuation in the cavity 321 in the acoustic liner 320 that can occur in the twenty-sixth embodiment is suppressed. On the other hand, they are used effectively.
- the feature of the present twentieth embodiment is that, in the 26th to 28th embodiments, the phase difference of the pressure fluctuation that can occur between the first boxes 330 adjacent to each other is effectively utilized, The point is that the combustion oscillation in the low frequency range has been reduced more sufficiently.
- the shared first first space 331, which is used to form each other's first internal space 331 is used.
- a large number of through holes are formed in the wall surface 330a of the first wall surface, and the first wall surface 330a serves as a resistor.
- a phase difference is substantially generated when the pressure fluctuations of the first internal spaces 331 are compared with each other. Fluid particles are effectively oscillated through the through-hole of the wall 330a of No. 1, and the combustion oscillation in the low frequency range can be reduced more sufficiently.
- the first problem is that the inner cylinder 6 and the transition piece 7, which are the cylinders around which the resonator 3 is mounted on the outer periphery, have a combustion region F inside, so that they are in an environment where they are continuously heated. As a result, the heating condition extends to the acoustic liner 320 and the first box 330. Therefore, it is required to prevent an excessive rise in temperature of these cylinders, the acoustic liner 320, and the like.
- the second problem is that a part of the combustion gas generated in the combustion region F in the cylinder passes through the sound absorbing hole 3 22 in the acoustic liner 3 20 and the first box 3 May flow in through the first throat 332, in which case the fuel and steam contained in some of the combustion gases will liquefy and accumulate carelessly. Therefore, it is necessary to discharge the inadvertently retained liquid to the outside of the acoustic liner 320 or the first box 330. Therefore, in this embodiment, as shown in FIG. 44, the acoustic liner 320 and the first box 330 are provided with a cooling fluid, that is, the compressed air flowing into the vehicle compartment 5 from the compressor 2.
- a plurality of fluid introduction holes 324 for cooling the acoustic liner for introducing air from the outside to the inside and a plurality of fluid introduction holes 335 for cooling the first box body are formed.
- the acoustic liner 320 and the first box 330 are directly cooled, and at the same time, the inner cylinder 6 and the transition piece 7, which are the cylinders, are indirectly cooled. These excessive temperature rises can be prevented, and the first problem described above is solved.
- drain holes 325 for the acoustic liner for discharging the staying liquid from the inside to the outside, and A drain hole 336 for the box body is formed. This makes it possible to discharge the inadvertently retained liquid accumulated inside the acoustic liner 320 and the first box 330 to the outside, and the second problem described above is solved.
- the feature of the thirty-first embodiment is that the combustion vibration is efficiently reduced, and the first box body 330 and the like which are the main components of the above-described second to thirty-third embodiments. It is in a mode as if a plurality were connected in series.
- a similar second box 340 is continuously provided along the side wall of the transition piece 7, and a side wall and a front end wall of the second box 340 are provided.
- the front end wall of the first box body 330 and the side wall of the transition piece 7 form a second internal space 3441 having a predetermined volume.
- a second throat 342 of a predetermined length protruding toward the second internal space 341 is provided on a front end wall of the first box 340, and this second throat 342 is provided.
- the throat 342 has an end 342 a located on the first box 340 side opening into the first internal space 331 and a throat 342 located on the second box 340 side.
- the end 3 4 2 b opens into the second internal space 3 4 1.
- a second resistor 343 having a large number of through holes is fitted into one end 342 a of the second throat 342.
- the second resistor 343 is, for example, a punching metal, a ceramic sintered metal, or a sintered wire mesh, like the first resistor 333.
- the second box 340 and the like are added to the configuration of the second embodiment (see FIGS. 32 and 33). It may be added to the configuration of the 30th embodiment (see FIGS. 34 to 44).
- the fluid particles in the low frequency range resonate with the air in the second internal space 341 in addition to the vibration through the sound absorbing holes 322 and the vibration near the first resistor 333 and the like. Then, it vibrates near the second resistor 343, and its amplitude is attenuated. Therefore, the fluid particles can be vibrated in many places, and the combustion vibration in a low frequency range can be reduced efficiently.
- one second box 340 is connected to the first box 330, but two or more boxes may be connected. Absent. In this case, it is sufficient to connect the second internal spaces 341 of the adjacent second boxes 340 with each other through the second slot 342 described above.
- the following modifications can be made in consideration of a sufficient response to combustion vibration in a low frequency range.
- the opening area of one end 34a of the second throat 342 is wider than the other end 3424b.
- a resistor having a large number of through holes on the other end 3442b side of the second throat 342 is formed as follows. It is fitted. 26th form A plurality of second boxes 340 and the like are arranged side by side according to the first boxes 340 and the like in the state.
- each of the second boxes 340 has a common second wall 340 a that forms a second internal space 341 of each other, and the second wall 340 a It is also possible to have a large number of through holes as resistors.
- the second box 340 is provided with a second cooling fluid for introducing a cooling fluid from the outside to the inside. It is also possible to form a plurality of fluid inlet holes for cooling the box, or to form a drain hole for the second box for discharging the staying liquid from inside to outside.
- the cross-sectional shape of the first throat 331 and the second throat 341 is not limited to a circle, but may be a polygon.
- the first box 33 0 and the second box 34 0 form the first internal space 3 3 1 and the second partial space 3 41 by the respective hollows. In this case, it is sufficient to connect the first throat 332 and the second throat 342 with the acoustic liner 320 and the first box 330, respectively. .
- the present invention is useful for a gas turbine combustor and a gas turbine in which realization of low NOx is desired.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/525,004 US7832211B2 (en) | 2002-12-02 | 2003-11-28 | Gas turbine combustor and a gas turbine equipped therewith |
| EP03812351.9A EP1568869B1 (en) | 2002-12-02 | 2003-11-28 | Gas turbine combustor, and gas turbine with the combustor |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002349763A JP2004183945A (ja) | 2002-12-02 | 2002-12-02 | ガスタービン燃焼器、及びこれを備えたガスタービン |
| JP2002-349772 | 2002-12-02 | ||
| JP2002349745A JP3999644B2 (ja) | 2002-12-02 | 2002-12-02 | ガスタービン燃焼器、及びこれを備えたガスタービン |
| JP2002349772A JP3999646B2 (ja) | 2002-12-02 | 2002-12-02 | ガスタービン燃焼器、及びこれを備えたガスタービン |
| JP2002349753A JP3999645B2 (ja) | 2002-12-02 | 2002-12-02 | ガスタービン |
| JP2002-349763 | 2002-12-02 | ||
| JP2002-349753 | 2002-12-02 | ||
| JP2002-349745 | 2002-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004051063A1 true WO2004051063A1 (ja) | 2004-06-17 |
Family
ID=32475626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/015298 Ceased WO2004051063A1 (ja) | 2002-12-02 | 2003-11-28 | ガスタービン燃焼器、及びこれを備えたガスタービン |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7832211B2 (ja) |
| EP (1) | EP1568869B1 (ja) |
| TW (1) | TWI247867B (ja) |
| WO (1) | WO2004051063A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1624251A1 (de) * | 2004-08-03 | 2006-02-08 | Siemens Aktiengesellschaft | Vorrichtung zur Dämpfung von thermoakustischen Schwingungen in Brennkammern mit veränderbarer Resonanzfrequenz |
| EP1624250A1 (de) * | 2004-08-03 | 2006-02-08 | Siemens Aktiengesellschaft | Vorrichtung zur Dämpfung von thermoakustichen Schwingungen in Brennkammern |
| WO2006032633A1 (en) * | 2004-09-21 | 2006-03-30 | Siemens Aktiengesellschaft | Combustion chamber, in particular for a gas turbine, with at least two resonator devices |
| WO2006082210A1 (en) * | 2005-02-04 | 2006-08-10 | Enel Produzione S.P.A. | Thermoacoustic oscillation damping in gas turbine combustors with annular plenum |
| US7549290B2 (en) * | 2004-11-24 | 2009-06-23 | Rolls-Royce Plc | Acoustic damper |
| JP2009235970A (ja) * | 2008-03-26 | 2009-10-15 | Mitsubishi Heavy Ind Ltd | ガスタービン |
| WO2019107392A1 (ja) * | 2017-11-29 | 2019-06-06 | 三菱日立パワーシステムズ株式会社 | 燃焼器及びガスタービン |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1762786A1 (de) * | 2005-09-13 | 2007-03-14 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Dämpfung thermo-akustischer Schwingungen, insbesondere in einer Gasturbine |
| US7413053B2 (en) * | 2006-01-25 | 2008-08-19 | Siemens Power Generation, Inc. | Acoustic resonator with impingement cooling tubes |
| GB0610800D0 (en) * | 2006-06-01 | 2006-07-12 | Rolls Royce Plc | Combustion chamber for a gas turbine engine |
| KR101201559B1 (ko) * | 2007-11-21 | 2012-11-14 | 미츠비시 쥬고교 가부시키가이샤 | 감쇠 장치 및 가스 터빈 연소기 |
| WO2010097982A1 (ja) * | 2009-02-27 | 2010-09-02 | 三菱重工業株式会社 | 燃焼器およびこれを備えたガスタービン |
| US20100236245A1 (en) * | 2009-03-19 | 2010-09-23 | Johnson Clifford E | Gas Turbine Combustion System |
| GB0907578D0 (en) | 2009-05-05 | 2009-06-10 | Rolls Royce Plc | A damping assembly |
| EP2295864B1 (en) * | 2009-08-31 | 2012-11-14 | Alstom Technology Ltd | Combustion device of a gas turbine |
| US20110067377A1 (en) * | 2009-09-18 | 2011-03-24 | General Electric Company | Gas turbine combustion dynamics control system |
| US20110165527A1 (en) * | 2010-01-06 | 2011-07-07 | General Electric Company | Method and Apparatus of Combustor Dynamics Mitigation |
| US20120247867A1 (en) * | 2010-01-08 | 2012-10-04 | Jun Yang | Composite sound-absorbing device with built in resonant cavity |
| EP2362147B1 (en) * | 2010-02-22 | 2012-12-26 | Alstom Technology Ltd | Combustion device for a gas turbine |
| EP2383514A1 (de) * | 2010-04-28 | 2011-11-02 | Siemens Aktiengesellschaft | Brennersystem und Verfahren zur Dämpfung eines solchen Brennersystems |
| EP2383515B1 (de) * | 2010-04-28 | 2013-06-19 | Siemens Aktiengesellschaft | Brennersystem zur Dämpfung eines solchen Brennersystems |
| EP2385303A1 (en) | 2010-05-03 | 2011-11-09 | Alstom Technology Ltd | Combustion Device for a Gas Turbine |
| EP2397760B1 (en) * | 2010-06-16 | 2020-11-18 | Ansaldo Energia IP UK Limited | Damper Arrangement and Method for Designing Same |
| EP2397761B1 (en) * | 2010-06-16 | 2021-10-06 | Ansaldo Energia Switzerland AG | Helmholtz Damper |
| US9127837B2 (en) * | 2010-06-22 | 2015-09-08 | Carrier Corporation | Low pressure drop, low NOx, induced draft gas heaters |
| US8973365B2 (en) | 2010-10-29 | 2015-03-10 | Solar Turbines Incorporated | Gas turbine combustor with mounting for Helmholtz resonators |
| KR101498400B1 (ko) * | 2011-03-22 | 2015-03-30 | 미츠비시 쥬고교 가부시키가이샤 | 음향 댐퍼, 연소기 및 가스 터빈 |
| WO2012161609A1 (en) * | 2011-05-25 | 2012-11-29 | General Electric Company | Combustor with bi-directional manifold for dynamics damping |
| DE102011081962A1 (de) * | 2011-09-01 | 2013-03-07 | Siemens Aktiengesellschaft | Brennkammer für eine Gasturbinenanlage |
| CN104145105B (zh) * | 2012-02-24 | 2017-03-01 | 三菱重工业株式会社 | 消音器、燃烧器及燃气涡轮 |
| EP2642204A1 (en) * | 2012-03-21 | 2013-09-25 | Alstom Technology Ltd | Simultaneous broadband damping at multiple locations in a combustion chamber |
| US9400108B2 (en) | 2013-05-14 | 2016-07-26 | Siemens Aktiengesellschaft | Acoustic damping system for a combustor of a gas turbine engine |
| EP2816289B1 (en) * | 2013-05-24 | 2020-10-07 | Ansaldo Energia IP UK Limited | Damper for gas turbine |
| US9410484B2 (en) * | 2013-07-19 | 2016-08-09 | Siemens Aktiengesellschaft | Cooling chamber for upstream weld of damping resonator on turbine component |
| US20150082794A1 (en) * | 2013-09-26 | 2015-03-26 | Reinhard Schilp | Apparatus for acoustic damping and operational control of damping, cooling, and emissions in a gas turbine engine |
| EP2860449B1 (en) * | 2013-10-09 | 2018-04-04 | Ansaldo Energia Switzerland AG | Acoustic damping device |
| CN104676646B (zh) * | 2013-10-25 | 2019-08-13 | 安萨尔多能源瑞士股份公司 | 用于燃气涡轮的燃烧器的阻尼装置 |
| EP2963345B1 (en) * | 2014-06-30 | 2018-09-19 | Ansaldo Energia Switzerland AG | Damper for gas turbine |
| CN107076416B (zh) * | 2014-08-26 | 2020-05-19 | 西门子能源公司 | 用于燃气涡轮发动机中的声共振器的薄膜冷却孔装置 |
| US10267523B2 (en) * | 2014-09-15 | 2019-04-23 | Ansaldo Energia Ip Uk Limited | Combustor dome damper system |
| KR20170103011A (ko) * | 2015-02-23 | 2017-09-12 | 미츠비시 쥬고교 가부시키가이샤 | 감쇠 장치, 연소기 및 가스 터빈 |
| US10393384B2 (en) | 2015-06-09 | 2019-08-27 | Rolls-Royce North American Technologies Inc. | Wave rotor with canceling resonator |
| CH711382A1 (de) * | 2015-07-16 | 2017-01-31 | Fives Cryomec Ag | Pulsationsdämpfervorrichtung für diskontiunierlich fördernde Pumpen zum Fördern eines kryogenen Fördermediums. |
| US10605110B2 (en) * | 2015-10-14 | 2020-03-31 | Mechanical Dynamics & Analysis Llc | Bypass valve assembly for turbine generators |
| USD823992S1 (en) | 2015-10-27 | 2018-07-24 | Mechanical Dynamics & Analysis Llc | Poppet valve |
| JP6679273B2 (ja) * | 2015-11-02 | 2020-04-15 | 三菱重工業株式会社 | 燃焼器及びロケットエンジン |
| JP6756897B2 (ja) * | 2016-07-25 | 2020-09-16 | シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft | 共振器リングを備えるガスタービンエンジン |
| US10670271B2 (en) * | 2016-09-30 | 2020-06-02 | DOOSAN Heavy Industries Construction Co., LTD | Acoustic dampening liner cap and gas turbine combustor including the same |
| US10228138B2 (en) * | 2016-12-02 | 2019-03-12 | General Electric Company | System and apparatus for gas turbine combustor inner cap and resonating tubes |
| US10221769B2 (en) * | 2016-12-02 | 2019-03-05 | General Electric Company | System and apparatus for gas turbine combustor inner cap and extended resonating tubes |
| WO2018144064A1 (en) * | 2017-02-03 | 2018-08-09 | Siemens Aktiengesellschaft | Air-cooled panel for turbine engine, with monolithic, three-dimensional lattice and method for manufacture |
| JP6797728B2 (ja) * | 2017-03-24 | 2020-12-09 | 三菱パワー株式会社 | ガスタービン燃焼器の共鳴吸音装置並びにこれを備えたガスタービン燃焼器及びガスタービン |
| FR3065754B1 (fr) * | 2017-04-28 | 2019-07-05 | Safran Aircraft Engines | Cellule d'absorption acoustique pour turboreacteur et panneau de traitement acoustique associe |
| US20180313540A1 (en) * | 2017-05-01 | 2018-11-01 | General Electric Company | Acoustic Damper for Gas Turbine Engine Combustors |
| EP3450848B1 (en) | 2017-09-01 | 2021-01-06 | Technische Universität Berlin | Method for controlling a combustion apparatus and control device |
| US10941939B2 (en) * | 2017-09-25 | 2021-03-09 | General Electric Company | Gas turbine assemblies and methods |
| US11953200B2 (en) | 2018-09-27 | 2024-04-09 | Carrier Corporation | Burner assembly having a baffle |
| JP2020056542A (ja) * | 2018-10-02 | 2020-04-09 | 川崎重工業株式会社 | 航空機用のアニュラ型ガスタービン燃焼器 |
| JP7349248B2 (ja) * | 2019-03-08 | 2023-09-22 | 三菱重工業株式会社 | 回転機械、及びシールリング |
| CN113841011B (zh) | 2019-05-24 | 2023-03-28 | 三菱重工业株式会社 | 尾筒、燃烧器、燃气轮机及燃气轮机设备 |
| JP7289752B2 (ja) * | 2019-08-01 | 2023-06-12 | 三菱重工業株式会社 | 音響減衰器、筒アッセンブリ、燃焼器、ガスタービン及び筒アッセンブリの製造方法 |
| DE112020005325B4 (de) * | 2019-12-24 | 2024-11-07 | Mitsubishi Heavy Industries, Ltd. | Brennkammerbauteil, brennkammer mit dem brennkammerbauteil und gasturbine mit der brennkammer |
| DE102020200583A1 (de) * | 2020-01-20 | 2021-07-22 | Siemens Aktiengesellschaft | Resonatorring für Brennkammersysteme |
| JP7393262B2 (ja) * | 2020-03-23 | 2023-12-06 | 三菱重工業株式会社 | 燃焼器、及びこれを備えるガスタービン |
| JP6980144B1 (ja) * | 2021-03-24 | 2021-12-15 | 三菱パワー株式会社 | ガスタービン用燃焼器、ガスタービン及びガスタービンの組立方法 |
| US12196130B2 (en) | 2021-05-31 | 2025-01-14 | Kawasaki Jukogyo Kabushiki Kaisha | Gas turbine combustor |
| US12234773B1 (en) * | 2022-01-18 | 2025-02-25 | Hysonic Technologies, LLC | Acoustically absorptive liners for passive control of unwanted acoustic modes in rotating detonation combustors |
| CN117109030B (zh) * | 2022-05-16 | 2025-09-19 | 通用电气公司 | 燃烧器衬里中的热声阻尼器 |
| CN116291878A (zh) * | 2023-03-10 | 2023-06-23 | 中国联合重型燃气轮机技术有限公司 | 一种谐振腔喉部组件 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0317237U (ja) * | 1989-06-30 | 1991-02-20 | ||
| WO1993010401A1 (de) * | 1991-11-15 | 1993-05-27 | Siemens Aktiengesellschaft | Einrichtung zur unterdrückung von verbrennungsschwingungen in einer brennkammer einer gasturbinenanlage |
| US5373695A (en) * | 1992-11-09 | 1994-12-20 | Asea Brown Boveri Ltd. | Gas turbine combustion chamber with scavenged Helmholtz resonators |
| GB2288660A (en) * | 1994-04-23 | 1995-10-25 | Abb Management Ag | Apparatus for damping thermoacoustic vibrations in combustion chamber |
| JPH11141878A (ja) * | 1997-11-13 | 1999-05-28 | Mitsubishi Heavy Ind Ltd | ガスタービン燃焼器 |
| US6305927B1 (en) * | 1998-12-15 | 2001-10-23 | Abb Alstom Power (Schweiz) Ag | Burner with acoustically damped fuel supply system |
| JP3233798B2 (ja) * | 1994-02-16 | 2001-11-26 | 三菱重工業株式会社 | 燃焼器の燃焼振動・圧力変動低減装置 |
| EP1213539A1 (en) * | 2000-12-06 | 2002-06-12 | Mitsubishi Heavy Industries, Ltd. | Gas turbine combustor, gas turbine, and jet engine |
| EP1253378A2 (en) * | 2001-04-24 | 2002-10-30 | Mitsubishi Heavy Industries, Ltd. | Gas turbine combustor having bypass passage |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2988302A (en) * | 1959-01-14 | 1961-06-13 | Gen Sound Control Inc | Silencing means for aircraft |
| US3542152A (en) * | 1968-04-08 | 1970-11-24 | Gen Electric | Sound suppression panel |
| US4135603A (en) * | 1976-08-19 | 1979-01-23 | United Technologies Corporation | Sound suppressor liners |
| US4122674A (en) * | 1976-12-27 | 1978-10-31 | The Boeing Company | Apparatus for suppressing combustion noise within gas turbine engines |
| US4244441A (en) * | 1979-07-31 | 1981-01-13 | The Garrett Corporation | Broad band acoustic attenuator |
| JPH01253378A (ja) | 1988-04-01 | 1989-10-09 | Nippon Hoso Kyokai <Nhk> | テレビジョン信号伝送方式 |
| US4944362A (en) * | 1988-11-25 | 1990-07-31 | General Electric Company | Closed cavity noise suppressor |
| JPH0726166B2 (ja) | 1989-03-20 | 1995-03-22 | 宇部興産株式会社 | 無機繊維強化金属複合材料 |
| JPH04347312A (ja) | 1991-05-21 | 1992-12-02 | Nippondenso Co Ltd | 騒音防止装置 |
| EP0576717A1 (de) * | 1992-07-03 | 1994-01-05 | Abb Research Ltd. | Gasturbinen-Brennkammer |
| US5685157A (en) * | 1995-05-26 | 1997-11-11 | General Electric Company | Acoustic damper for a gas turbine engine combustor |
| JP2000045793A (ja) | 1998-08-03 | 2000-02-15 | Mitsubishi Heavy Ind Ltd | ガスタービン燃焼器のバイパス弁 |
| EP0990851B1 (de) * | 1998-09-30 | 2003-07-23 | ALSTOM (Switzerland) Ltd | Brennkammer für eine Gasturbine |
| JP3946395B2 (ja) | 1999-11-12 | 2007-07-18 | 株式会社東芝 | ガスタービン燃焼器 |
| US6530221B1 (en) * | 2000-09-21 | 2003-03-11 | Siemens Westinghouse Power Corporation | Modular resonators for suppressing combustion instabilities in gas turbine power plants |
| US7080514B2 (en) * | 2003-08-15 | 2006-07-25 | Siemens Power Generation,Inc. | High frequency dynamics resonator assembly |
| GB0427147D0 (en) * | 2004-12-11 | 2005-01-12 | Rolls Royce Plc | Combustion chamber for a gas turbine engine |
| US7413053B2 (en) * | 2006-01-25 | 2008-08-19 | Siemens Power Generation, Inc. | Acoustic resonator with impingement cooling tubes |
| JP4347312B2 (ja) | 2006-02-20 | 2009-10-21 | 山九株式会社 | 長尺材搬送用吊り具装置 |
-
2003
- 2003-11-28 EP EP03812351.9A patent/EP1568869B1/en not_active Expired - Lifetime
- 2003-11-28 US US10/525,004 patent/US7832211B2/en active Active
- 2003-11-28 WO PCT/JP2003/015298 patent/WO2004051063A1/ja not_active Ceased
- 2003-12-01 TW TW092133684A patent/TWI247867B/zh not_active IP Right Cessation
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0317237U (ja) * | 1989-06-30 | 1991-02-20 | ||
| WO1993010401A1 (de) * | 1991-11-15 | 1993-05-27 | Siemens Aktiengesellschaft | Einrichtung zur unterdrückung von verbrennungsschwingungen in einer brennkammer einer gasturbinenanlage |
| US5373695A (en) * | 1992-11-09 | 1994-12-20 | Asea Brown Boveri Ltd. | Gas turbine combustion chamber with scavenged Helmholtz resonators |
| JP3233798B2 (ja) * | 1994-02-16 | 2001-11-26 | 三菱重工業株式会社 | 燃焼器の燃焼振動・圧力変動低減装置 |
| GB2288660A (en) * | 1994-04-23 | 1995-10-25 | Abb Management Ag | Apparatus for damping thermoacoustic vibrations in combustion chamber |
| JPH11141878A (ja) * | 1997-11-13 | 1999-05-28 | Mitsubishi Heavy Ind Ltd | ガスタービン燃焼器 |
| US6305927B1 (en) * | 1998-12-15 | 2001-10-23 | Abb Alstom Power (Schweiz) Ag | Burner with acoustically damped fuel supply system |
| EP1213539A1 (en) * | 2000-12-06 | 2002-06-12 | Mitsubishi Heavy Industries, Ltd. | Gas turbine combustor, gas turbine, and jet engine |
| EP1253378A2 (en) * | 2001-04-24 | 2002-10-30 | Mitsubishi Heavy Industries, Ltd. | Gas turbine combustor having bypass passage |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1568869A4 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1624251A1 (de) * | 2004-08-03 | 2006-02-08 | Siemens Aktiengesellschaft | Vorrichtung zur Dämpfung von thermoakustischen Schwingungen in Brennkammern mit veränderbarer Resonanzfrequenz |
| EP1624250A1 (de) * | 2004-08-03 | 2006-02-08 | Siemens Aktiengesellschaft | Vorrichtung zur Dämpfung von thermoakustichen Schwingungen in Brennkammern |
| WO2006032633A1 (en) * | 2004-09-21 | 2006-03-30 | Siemens Aktiengesellschaft | Combustion chamber, in particular for a gas turbine, with at least two resonator devices |
| US7334408B2 (en) | 2004-09-21 | 2008-02-26 | Siemens Aktiengesellschaft | Combustion chamber for a gas turbine with at least two resonator devices |
| RU2380618C2 (ru) * | 2004-09-21 | 2010-01-27 | Сименс Акциенгезелльшафт | Камера сгорания, в частности, для газовой турбины, по меньшей мере, с двумя резонаторными устройствами |
| US7549290B2 (en) * | 2004-11-24 | 2009-06-23 | Rolls-Royce Plc | Acoustic damper |
| WO2006082210A1 (en) * | 2005-02-04 | 2006-08-10 | Enel Produzione S.P.A. | Thermoacoustic oscillation damping in gas turbine combustors with annular plenum |
| EP1703208A1 (en) * | 2005-02-04 | 2006-09-20 | Enel Produzione S.p.A. | Thermoacoustic oscillation damping in gas turbine combustors with annular plenum |
| JP2009235970A (ja) * | 2008-03-26 | 2009-10-15 | Mitsubishi Heavy Ind Ltd | ガスタービン |
| WO2019107392A1 (ja) * | 2017-11-29 | 2019-06-06 | 三菱日立パワーシステムズ株式会社 | 燃焼器及びガスタービン |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200413675A (en) | 2004-08-01 |
| EP1568869A4 (en) | 2014-02-26 |
| US7832211B2 (en) | 2010-11-16 |
| TWI247867B (en) | 2006-01-21 |
| EP1568869B1 (en) | 2016-09-14 |
| US20050223707A1 (en) | 2005-10-13 |
| EP1568869A1 (en) | 2005-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004051063A1 (ja) | ガスタービン燃焼器、及びこれを備えたガスタービン | |
| JP3999644B2 (ja) | ガスタービン燃焼器、及びこれを備えたガスタービン | |
| US8490744B2 (en) | Combustor and gas turbine having the same | |
| JP4511658B2 (ja) | バーナのために音波の振動増幅をダンピングするためのダンピング装置 | |
| CN103140716B (zh) | 消音器、燃烧器以及燃气轮机 | |
| JP6059902B2 (ja) | ガスタービンエンジンに用いられる音響減衰装置 | |
| US6640544B2 (en) | Gas turbine combustor, gas turbine, and jet engine | |
| US6973790B2 (en) | Gas turbine combustor, gas turbine, and jet engine | |
| RU2467252C2 (ru) | Система уменьшения динамики камеры сгорания | |
| JP4929357B2 (ja) | 減衰装置及びガスタービン燃焼器 | |
| CN1320314C (zh) | 燃气轮机 | |
| JP2002195565A (ja) | ガスタービン燃焼器 | |
| CN112178695B (zh) | 阻尼器、包括阻尼器的燃烧器组件及制造阻尼器的方法 | |
| JP5054988B2 (ja) | 燃焼器 | |
| JP3999645B2 (ja) | ガスタービン | |
| JP2004183946A (ja) | ガスタービン燃焼器、及びこれを備えたガスタービン | |
| US20220026059A1 (en) | Pulsating combustion device with improved energy conversion efficiency and reduced noise level | |
| JP2004183945A (ja) | ガスタービン燃焼器、及びこれを備えたガスタービン | |
| US4494625A (en) | Axial acoustic wave attenuator for ramjets | |
| JP3513366B2 (ja) | 燃焼器 | |
| JP2020159323A (ja) | 音響ダンパ、燃焼器及びガスタービン | |
| JPH1082505A (ja) | 燃焼装置 | |
| JP3665388B2 (ja) | 燃焼装置 | |
| JPH0849808A (ja) | 燃焼装置 | |
| JPH07158838A (ja) | 熱交換器付き燃焼器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN US |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 10525004 Country of ref document: US |
|
| REEP | Request for entry into the european phase |
Ref document number: 2003812351 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2003812351 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 20038A17391 Country of ref document: CN |
|
| WWP | Wipo information: published in national office |
Ref document number: 2003812351 Country of ref document: EP |