CN106838905A - Nozzle, nozzle array and burner with point shape blade - Google Patents
Nozzle, nozzle array and burner with point shape blade Download PDFInfo
- Publication number
- CN106838905A CN106838905A CN201710023516.1A CN201710023516A CN106838905A CN 106838905 A CN106838905 A CN 106838905A CN 201710023516 A CN201710023516 A CN 201710023516A CN 106838905 A CN106838905 A CN 106838905A
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- China
- Prior art keywords
- nozzle
- shape blade
- blade
- outer layer
- fuel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Gas Burners (AREA)
Abstract
The invention provides a kind of nozzle with point shape blade, inner layer cylinder and outer layer cylinder are coaxially disposed, and inner layer cylinder surrounds internal layer runner, and outer layer runner is formed between inner layer cylinder and outer layer cylinder, and a point shape blade is located between the inner layer cylinder and outer layer cylinder;Flammable mixture enters internal layer runner and outer layer runner, and in the presence of point shape blade, the flammable mixture of outer layer runner is axially simultaneously moved with circumferencial direction, and sprays after converging with the flammable mixture of internal layer runner.Nozzle of the invention has a point shape blade, is conducive to improving rotational flow capacity, stability and the efficiency of combustion of nozzle, suppresses the flow separation on point shape blade, reduces obstruction and flow losses.
Description
Technical field
The present invention relates to burner field, especially a kind of efficiency and stability that can improve burner, widen back
Fiery nargin, reduction pollutant emission nozzle, it is particularly well-suited to gas turbine, industrial burner, heater, heating furnace etc..
Background technology
The features such as gas turbine is due to unit small volume and output power, is widely used in electric power, aviation, petrochemical industry
Etc. industry.Due to energy crisis and environmental degradation, be badly in need of development high-efficiency cleaning combustion chamber, it is desirable to combustion chamber have igniting it is reliable,
The characteristics such as flameholding, efficiency high and low emission.Current China problem of environmental pollution is extremely serious, development gas turbine cleaning combustion
Burning technology is very urgent.Gas turbine manufacturer has developed various clean-burning technologies, and such as poor premixed combustion technology, dilute phase are pre-
Mixed pre-evaporation technique, oil-poor direct injection technology and catalytic combustion technology etc., although these technologies can effectively reduce pollutant
Discharge, but it is more to all suffer from problem and this part burner structure complexity of combustion instability, parts.Other industrial burners
Also similar problem is faced.
Thus, the low burner of a kind of few simple and compact for structure, parts, flameholding, pollutant emission is needed badly.
The content of the invention
(1) technical problem to be solved
In order to solve the above mentioned problem of prior art presence, the invention provides a kind of nozzle with point shape blade, spray
Mouth array and burner.
(2) technical scheme
The invention provides a kind of nozzle with point shape blade, including inner layer cylinder, outer layer cylinder and point shape blade, its
In, the inner layer cylinder and outer layer cylinder are coaxially disposed, and the inner layer cylinder surrounds internal layer runner, the inner layer cylinder and outer layer
Outer layer runner is formed between cylinder, described point of shape blade is located between the inner layer cylinder and outer layer cylinder;Flammable mixture
Into the internal layer runner and outer layer runner, in the presence of described point of shape blade, the flammable mixture of the outer layer runner is same
When moved with circumferencial direction vertically, and spray after converging with the flammable mixture of the internal layer runner.
Preferably, described point of shape blade includes many fraction shape blades being distributed by upstream to downstream direction, per fraction shape leaf
Piece includes multiple blades, and the blade has the inclination angle relative to axial direction.
Preferably, the number of many fraction shape blades is according to 2n-1Rule again increases, and upper level divides each of shape blade
Two blades of the next fraction shape blade of blade correspondence, described two blades of next fraction shape blade are arranged symmetrically in upper level
Divide the both sides of the blade of shape blade.
Preferably, also include:Mesh plate, it is arranged at internal layer runner, and flammable mixture enters internal layer runner through mesh plate.
Preferably, also include:Catalyst coat is coated with described point of shape blade, mesh plate and inner layer cylinder.
Preferably, the upstream end correction of the flank shape of the blade is swallow-tail form, zigzag, circular arc or many circular arcs.
Preferably, the Upstream section of the outer layer cylinder is hollow cavity;Described point of shape blade is hollow structure, is formed in one
Portion's fuel channel, the trailing edge and/or leading edge of described point of shape blade are provided with the first fuel orifice, cavity in its connection outer layer cylinder
The lateral opening of internal wall;Outer layer cylinder hollow cavity inwall position corresponding with point shape blade side opening also has opening,
Hollow cavity is connected with a point internal fuel passage for shape blade;Fuel or air enter hollow cavity, subsequently into a point shape blade
Internal fuel passage, and sprayed to outer layer runner by the first fuel orifice of point shape blade, with the sky for entering outer layer runner
Gas or fuel blending form flammable mixture.
Preferably, the side of described point of shape blade connection inner layer cylinder is provided with the second fuel orifice;Inner layer cylinder and
The corresponding position of two fuel orifices is provided with through hole, and by the second fuel orifice and through hole, the inner fuel of point shape blade is led to
Road and internal layer flow passage;Fuel or air enter the internal fuel passage of point shape blade through hollow cavity, a part of fuel or
Air is sprayed to outer layer runner by the first fuel orifice, and flammable mixing is formed with the air or fuel blending that enter outer layer runner
Thing, another part fuel or air enter internal layer runner by the second fuel orifice, with the air or combustion for entering internal layer runner
Material is blended, and forms flammable mixture.
Present invention also offers a kind of nozzle array, including multiple any of the above-described kind of nozzle, wherein, the nozzle array is
Circular array, the circular array includes that P encloses nozzle, and often enclosing nozzle includes Q nozzle, wherein 1≤P, Q≤100;Or, institute
Nozzle array is stated for rectangular array, the rectangular array includes P row nozzles, often row nozzle includes Q nozzle, wherein 1≤P, Q≤
100。
Present invention also offers a kind of burner, it includes any of the above-described kind of nozzle, or said nozzle array.
(3) beneficial effect
From above-mentioned technical proposal as can be seen that the nozzle with point shape blade of the invention, nozzle array and burner
There is following beneficial effect:
(1) vertically each fraction shape lobe numbers according to 2n-1Rule again gradually increases, point shape blade pair of next stage
Title is arranged in the both sides of upper level point shape blade, and point shape blade of this structure is conducive to improving the rotational flow capacity of nozzle, stabilization
Property and efficiency of combustion, suppress the flow separation on point shape blade, reduce obstruction and flow losses;
(2) flammable mixture of outer layer runner produces centrifugal force after flowing through point shape blade, under the influence of centrifugal force, flammable
Mixture is no longer fettered when jet expansion is left by outer layer cylinder, and fluid motion is flared, jet expansion axis is attached
Near fluid velocity reduction even produces backflow, so as to improve the stability of flame combustion.
(3) flammable mixture enters internal layer runner through mesh plate, and mesh plate can be controlled by the fluid stream of inner layer cylinder
Amount, can also increase the turbulivity of fluid;
(4) catalyst coat is coated with point shape blade, mesh plate and inner layer cylinder, catalyst coat can be reduced instead
Activation energy is answered, burning is carried out under lower temperature and concentration, burning pollutant discharge can be reduced;
(5) fuel enters the internal fuel passage of point shape blade through hollow cavity, and a part of fuel is by the first fuel injection
Hole is sprayed to outer layer runner, blends to form flammable mixture with the air for entering outer layer runner, and another part fuel passes through second
Fuel orifice enters internal layer runner, and the air into internal layer runner is blended, and forms flammable mixture, further increases
The eddy flow efficiency of nozzle and the uniformity of blending.
Brief description of the drawings
Fig. 1 is the nozzle arrangements schematic diagram with point shape blade according to first embodiment of the invention;
Fig. 2 is the schematic three dimensional views that nozzle shown in Fig. 1 omits outer layer cylinder;
Fig. 3 is positive schematic diagram for blade tilt;
Fig. 4 is negative schematic diagram for blade tilt;
Fig. 5 is the scale diagrams of nozzle;
Fig. 6 is the nozzle top view with point shape blade according to second embodiment of the invention;
Fig. 7 is the schematic three dimensional views that nozzle shown in Fig. 6 omits outer layer cylinder;
Fig. 8 is the nozzle arrangements schematic diagram with point shape blade according to second embodiment of the invention;
Fig. 9 is point shape blade schematic diagram of nozzle described in Fig. 8.
【Symbol description】
10- outer layer cylinders;11- hollow cavities;
20- inner layer cylinders;
30- points of shape blade;31- the first fraction shape blades;32- the second fraction shape blades;The 33- third level point shape;Inside 34-
Fuel channel;The fuel orifices of 35- first;The fuel orifices of 36- second;
40- mesh plates;
A- inclination angles;Distance of the B- inner layer cylinders port of export to jet expansion;The downstream of C- last fraction shape blade is arrived
The distance of the inner layer cylinder port of export.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
As shown in Figure 1 and Figure 2, it is the nozzle with point shape blade of first embodiment of the invention, including inner layer cylinder 20, outer
Layer cylinder 10, mesh plate 40 and point shape blade 30, wherein, inner layer cylinder 20 and outer layer cylinder 10 are coaxially disposed, inner layer cylinder
20 surround internal layer runner, and mesh plate 40 is arranged in internal layer runner and positioned at the arrival end of inner layer cylinder 20, the He of inner layer cylinder 20
Outer layer runner is formed between outer layer cylinder 10, point shape blade 30 is located in outer layer runner, be located in inner layer cylinder 20 and outer layer circle
Between cylinder 10.
As shown in Fig. 2 point shape blade 30 of the present embodiment includes three fraction shape blades being axially distributed along nozzle, by upstream
To downstream direction, respectively the first fraction shape blade 31, the second fraction shape blade 32 and the third level point shape blade 33, the first fraction
Shape blade 31 is close to the arrival end of outer layer runner, the port of export of the third level point shape blade 33 near outer layer runner.
Second fraction shape blade 32 is located at the downstream direction of the first fraction shape blade 31, the first fraction shape blade 31 each
Two blades of blade the second fraction shape blade 32 of correspondence, described two blades of the second fraction shape blade are arranged symmetrically in first
The both sides of the blade of fraction shape blade, the quantity of the first fraction shape blade 31 is 3, and the second fraction shape blade quantity is 6.
The third level point shape blade 33 is located at the downstream direction of the second fraction shape blade 32, each leaf of the second fraction shape blade
The piece correspondence third level is divided to two blades of shape blade, described two blades of the third level point shape blade to be arranged symmetrically in the second fraction
The both sides of the blade of shape blade, the quantity of the third level point shape blade is 12.The number of each fraction shape blade is pressed vertically
According to 2n-1Rule again gradually increases, and even the first fraction shape lobe numbers are X, then the second fraction shape lobe numbers are 2X, the 3rd
Fraction shape lobe numbers are 4X, and the n-th fraction shape lobe numbers are 2n-1X。
Each fraction shape blade is circumferentially arranged in the outer layer runner between inner layer cylinder 20 and outer layer cylinder 10, and point shape
Blade 30 is relative to axially with certain inclination angle.
Nozzle with said structure, according to fractal law, on the one hand, each fraction shape lobe numbers are according to 2 verticallyn -1Rule again gradually increases;On the other hand, point shape blade of next stage is arranged symmetrically in the both sides of upper level point shape blade, this
Point shape blade for planting structure is conducive to improving rotational flow capacity, stability and the efficiency of combustion of nozzle, suppresses the stream on point shape blade
It is dynamic to separate, reduce obstruction and flow losses.
In the present embodiment, fuel and air are formed uniformly flammable mixture into having blended before nozzle, flammable mixing
Thing is entered by nozzle entrance, and a part enters internal layer runner through mesh plate, and another part enters outer layer runner.Divide the work of shape blade
Be make by fluid while axially movable, produce motion along the circumferential direction.Flammable mixing in outer layer runner
The flammable mixture that logistics flows out after point shape blade with internal layer runner converges, and is sprayed by jet expansion.Due to outer layer runner
Flammable mixture flow through point shape blade after produce centrifugal force, under the influence of centrifugal force, flammable mixture goes out leaving nozzle
Mouthful when no longer fettered by outer layer cylinder, fluid motion is flared, the fluid velocity near jet expansion axis is reduced very
To backflow is produced, so as to improve the stability of flame combustion.
In the present embodiment, a point shape blade 30 is solid vane;Shape blade 30 is divided to be the prismatic blade shown in Fig. 2, straight leaf
Piece is easy to processing, low manufacture cost;Can also be camber blades, camber blades can simultaneously ensure required flow inlet angle and go out
Air horn;Each fraction shape length of blade can be with identical, it is also possible to different, preferably from upstream to downstream direction, point shape length of blade
Gradually increase;The thickness of point shape blade can so be easy to processing with homogeneous, it is also possible to make different streamlined of thickness, so
Flow losses can be reduced;Each fraction shape blade height can be with identical, it is also possible to different, preferably highly identical, highly refers to
The length that point shape blade is radially extended along nozzle.Correction of the flank shape can also be carried out to a point upstream end for shape blade, upstream end can be swallow
Tail shape, can further enhance eddy flow effect, and further, the upstream end can also be zigzag, circular arc, many circular arcs.
Although the present embodiment includes three fraction shape blades, the invention is not restricted to this, the series of point shape blade can be 1
~100 grades, be 1~100 per fraction shape lobe numbers.
Part flammable mixture enters internal layer runner through mesh plate, and mesh plate can control the fluid by inner layer cylinder 20
Flow, can also increase the turbulivity of fluid.
The perforated area of mesh plate and the ratio of mesh plate suqare are 0-100%, that is to say, that mesh plate 40 can not be opened
Hole, now the ratio of perforated area and mesh plate suqare is 0 on mesh plate;Mesh plate 40 can whole perforates, equivalent to not setting
Mesh plate is put, the ratio of perforated area and mesh plate suqare is 100% on mesh plate.It is preferred that perforated area and mesh on mesh plate
The ratio of plate suqare is 40%-80%.A diameter of 0.1-10mm in the hole of mesh plate, the size in hole can with it is identical can not also
Together;The shape in hole can be the combination of circle, ellipse, triangle, polygon or these shapes.
Fig. 3 and Fig. 4 is referred to, a point inclination angle for shape blade is illustrated, the inclination angle A of point shape blade is -90 °~90 °, figure
The inclination angle A of point shape blade is 0~90 ° in 3, and the inclination angle A of point shape blade is 0~-90 ° in Fig. 4.
Fig. 5 is referred to, the inner layer cylinder port of export to jet expansion is 0-1000mm apart from B;Last fraction shape blade
Downstream to the inner layer cylinder port of export apart from C be 0-1000mm.Preferably, the inner layer cylinder port of export to jet expansion away from
From 1-5 times that B is outer layer drum diameter, the downstream of last fraction shape blade is outer apart from C to the inner layer cylinder port of export
0.1-1 times of layer drum diameter.
In the present embodiment, catalyst coat is coated with a point shape blade 30, mesh plate 40 and inner layer cylinder 20.Catalyst
Coating can reduce reaction activity, burning is carried out under lower temperature and concentration, can reduce burning pollutant discharge.
The nozzle with point shape blade of second embodiment of the invention, in order to reach the purpose of brief description, above-mentioned first
Any technical characteristic for making same application is described all and in this in embodiment, without repeating identical narration.
The nozzle of the present embodiment, referring to Fig. 6, Fig. 7, the Upstream section of outer layer cylinder is a hollow cavity 11, point shape blade 30
It is hollow structure, forms an internal fuel passage 34, the trailing edge (i.e. downstream end face) of point shape blade 30 is provided with the first fuel injection
Hole 35, the lateral opening of its connection outer layer cylinder hollow cavity inwall, outer layer cylinder hollow cavity inwall and a point shape blade side
Corresponding position be open also with opening, hollow cavity 11 is connected with a point internal fuel passage for shape blade 34.
The nozzle of the present embodiment, fuel enters hollow cavity, subsequently into the internal fuel passage of point shape blade, and by dividing
First fuel orifice of shape blade is sprayed to outer layer runner, blends to form flammable mixture with the air for entering outer layer runner.
Point shape blade of interlaced arrangement is conducive to the uniform blending of the fuel and air ejected by point shape blade trailing edge, improves spray group
Eddy flow efficiency and blending uniformity.
Wherein, the leading edge (i.e. upstream face) of point shape blade 30 can also be provided with the first fuel orifice, or trailing edge and
Leading edge is provided with the first fuel orifice simultaneously, is so conducive to further improving the uniformity of blending.
In addition, the input of fuel and air can be exchanged, i.e., can also be that air enters hollow cavity, fuel enters outer layer
Runner.
Further, referring to Fig. 8, Fig. 9, the side of point connection inner layer cylinder of shape blade 30 is also provided with the second fuel orifice
36, the position corresponding with point shape blade side fuel orifice of inner layer cylinder 20 is also provided with through hole, by the second fuel orifice
36 and through hole, point internal fuel passage of shape blade 34 and internal layer flow passage, mesh plate 40 is arranged at last fraction shape
The downstream of blade trailing edge.
Fuel enters the internal fuel passage of point shape blade through hollow cavity, and a part of fuel is sprayed by the first fuel orifice
Outer layer runner is incident upon, blends to form flammable mixture with the air for entering outer layer runner, another part fuel passes through the second fuel
Spray-hole enters internal layer runner, and the air into internal layer runner is blended, and forms flammable mixture, further increases nozzle
Eddy flow efficiency and blending uniformity.
Third embodiment of the invention provides a kind of nozzle array, and it includes having described in multiple any of the above-described embodiments
Divide the nozzle of shape blade.
Wherein, the nozzle array is circular array, and the circular array includes that P encloses nozzle, and often enclosing nozzle includes Q nozzle,
Wherein 1≤P, Q≤100.
Wherein, the nozzle array is rectangular array, and the rectangular array includes P row nozzles, and often row nozzle includes Q nozzle,
Wherein 1≤P, Q≤100.
Fourth embodiment of the invention provide a kind of burner, it include described in any of the above-described embodiment with a point shape leaf
The nozzle of piece, or the nozzle array.
So far, combined accompanying drawing has been described in detail to the present embodiment.According to above description, those skilled in the art
Should to it is of the invention have with point nozzle of shape blade, nozzle array and a burner clearly recognize.
It should be noted that in accompanying drawing or specification text, the implementation for not illustrating or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.Additionally, above-mentioned definition to each element and not only limiting
Various concrete structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can be carried out simply more to it
Change or replace, for example:
(1) direction term mentioned in embodiment, for example " on ", D score, "front", "rear", "left", "right" etc., be only ginseng
The direction of accompanying drawing is examined, not for limiting the scope of the invention;
(2) above-described embodiment can be based on design and the consideration of reliability, and the collocation that is mixed with each other is used or and other embodiment
Mix and match is used, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. it is a kind of with the nozzle for dividing shape blade, it is characterised in that including inner layer cylinder, outer layer cylinder and point shape blade, wherein,
The inner layer cylinder and outer layer cylinder are coaxially disposed, and the inner layer cylinder surrounds internal layer runner, the inner layer cylinder and outer
Outer layer runner is formed between layer cylinder, described point of shape blade is located between the inner layer cylinder and outer layer cylinder;
Flammable mixture enters the internal layer runner and outer layer runner, in the presence of described point of shape blade, the outer layer runner
Flammable mixture axially simultaneously moved with circumferencial direction, and spray after converging with the flammable mixture of the internal layer runner.
2. nozzle as claimed in claim 1, it is characterised in that described point of shape blade includes what is be distributed by upstream to downstream direction
Many fraction shape blades, multiple blades are included per fraction shape blade, and the blade has the inclination angle relative to axial direction.
3. nozzle as claimed in claim 2, it is characterised in that the number of many fraction shape blades is according to 2n-1Rule again
Increase, upper level is divided to two blades of each blade next fraction shape blade of correspondence of shape blade, the institute of next fraction shape blade
State the both sides that two blades are arranged symmetrically in the blade of upper level point shape blade.
4. nozzle as claimed in claim 1, it is characterised in that also include:Mesh plate, it is arranged at internal layer runner, flammable mixed
Compound enters internal layer runner through mesh plate.
5. nozzle as claimed in claim 4, it is characterised in that also include:In described point of shape blade, mesh plate and inner layer cylinder
On be coated with catalyst coat.
6. nozzle as claimed in claim 3, it is characterised in that the upstream end correction of the flank shape of the blade is swallow-tail form, zigzag, circle
Arc or many circular arcs.
7. nozzle as claimed in claim 1, it is characterised in that
The Upstream section of the outer layer cylinder is hollow cavity;
Described point of shape blade is hollow structure, forms an internal fuel passage, and the trailing edge and/or leading edge of described point of shape blade are provided with
First fuel orifice, the lateral opening of its connection outer layer cylinder hollow cavity inwall;
Outer layer cylinder hollow cavity inwall position corresponding with point shape blade side opening also has opening, hollow cavity and a point shape
The internal fuel passage connection of blade;
Fuel or air enter hollow cavity, subsequently into the internal fuel passage of point shape blade, and by the first of point shape blade
Fuel orifice is sprayed to outer layer runner, and flammable mixture is formed with the air or fuel blending for entering outer layer runner.
8. nozzle as claimed in claim 7, it is characterised in that
The side of described point of shape blade connection inner layer cylinder is provided with the second fuel orifice;
Inner layer cylinder position corresponding with the second fuel orifice is provided with through hole, by the second fuel orifice and through hole, point shape
The internal fuel passage of blade and internal layer flow passage;
Fuel or air enter the internal fuel passage of point shape blade through hollow cavity, and a part of fuel or air are by the first fuel
Spray-hole is sprayed to outer layer runner, and flammable mixture, another part combustion are formed with the air or fuel blending for entering outer layer runner
Material or air enter internal layer runner by the second fuel orifice, are blended with the air or fuel for entering internal layer runner, shape
Into flammable mixture.
9. a kind of nozzle array, it is characterised in that including the nozzle described in any one of multiple claims 1 to 8 claim,
Wherein,
The nozzle array is circular array, and the circular array includes that P encloses nozzle, and often enclosing nozzle includes Q nozzle, wherein 1
≤P、Q≤100;Or,
The nozzle array is rectangular array, and the rectangular array includes P row nozzles, and often row nozzle includes Q nozzle, wherein 1
≤P、Q≤100。
10. a kind of burner, it is characterised in that it includes the nozzle described in any one of claim 1-8 claim, or
Nozzle array described in claim 9.
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CN201710023516.1A CN106838905B (en) | 2017-01-12 | 2017-01-12 | With the nozzle, nozzle array and burner for dividing shape blade |
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CN201710023516.1A CN106838905B (en) | 2017-01-12 | 2017-01-12 | With the nozzle, nozzle array and burner for dividing shape blade |
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CN106838905B CN106838905B (en) | 2019-02-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177681A (en) * | 2020-09-21 | 2021-01-05 | 西北工业大学 | Fractal intermittent rib structure suitable for internal cooling of turbine blade |
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CN103134078A (en) * | 2011-11-25 | 2013-06-05 | 中国科学院工程热物理研究所 | Array standing vortex fuel-air premixer |
CN104728866A (en) * | 2015-03-17 | 2015-06-24 | 上海交通大学 | Five-nozzle combustor structure applied to gas turbine low-pollution combustion chamber |
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US5471840A (en) * | 1994-07-05 | 1995-12-05 | General Electric Company | Bluffbody flameholders for low emission gas turbine combustors |
WO2000061992A1 (en) * | 1999-04-09 | 2000-10-19 | Mcdermott Technology, Inc. | Tunneled multi-blade swirler/gas injector for a burner |
CN101101114A (en) * | 2007-07-23 | 2008-01-09 | 北京中海润达科贸有限公司 | Quick switching type catalyzed combustion boiler device |
CN103134078A (en) * | 2011-11-25 | 2013-06-05 | 中国科学院工程热物理研究所 | Array standing vortex fuel-air premixer |
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CN112177681A (en) * | 2020-09-21 | 2021-01-05 | 西北工业大学 | Fractal intermittent rib structure suitable for internal cooling of turbine blade |
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