CN106838905B - With the nozzle, nozzle array and burner for dividing shape blade - Google Patents

With the nozzle, nozzle array and burner for dividing shape blade Download PDF

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Publication number
CN106838905B
CN106838905B CN201710023516.1A CN201710023516A CN106838905B CN 106838905 B CN106838905 B CN 106838905B CN 201710023516 A CN201710023516 A CN 201710023516A CN 106838905 B CN106838905 B CN 106838905B
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China
Prior art keywords
shape blade
nozzle
outer layer
blade
runner
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CN106838905A (en
Inventor
李钢
徐纲
杜薇
卢新根
朱俊强
穆勇
尹娟
刘存喜
杨金虎
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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Priority to CN201710023516.1A priority Critical patent/CN106838905B/en
Publication of CN106838905A publication Critical patent/CN106838905A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix 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

Internal layer runner is surrounded with the nozzle for dividing shape blade, inner layer cylinder and the coaxial arrangement of outer layer cylinder, inner layer cylinder the present invention provides a kind of, forms outer layer runner between inner layer cylinder and outer layer cylinder, 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 under the action of dividing shape blade, the flammable mixture of outer layer runner is axially simultaneously moved with circumferencial direction, and is sprayed after converging with the flammable mixture of internal layer runner.Nozzle of the invention, which has, divides shape blade, is conducive to the rotational flow capacity, stability and the efficiency of combustion that improve nozzle, inhibits the flow separation divided on shape blade, reduces obstruction and flow losses.

Description

With the nozzle, nozzle array and burner for dividing shape blade
Technical field
The present invention relates to burner field, especially a kind of efficiency that burner can be improved and stability are widened back Fiery nargin reduces pollutant emission nozzle, and it is especially suitable for gas turbine, industrial burner, heater, heating furnaces etc..
Background technique
Gas turbine is widely used in electric power, aviation, petrochemical industry due to the features such as single machine is small in size and output power Etc. industries.Due to energy crisis and environmental degradation, be badly in need of developing high-efficiency cleaning combustion chamber, it is desirable that combustion chamber have igniting it is reliable, The characteristics such as flameholding, high-efficient and low emission.Current China problem of environmental pollution is extremely serious, develops gas turbine cleaning combustion Burning technology is very urgent.Gas turbine manufacturer has developed a variety of 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 pollutant can be effectively reduced in these technologies Discharge, but the problem of all suffer from combustion instability and this part burner structure is complicated, components are more.Other industrial burners Also similar problem is faced.
Thus, need a kind of burner simple and compact for structure, components are few, flameholding, pollutant emission are low.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problems existing in the present technology, the present invention provides a kind of with the nozzle, the spray that divide shape blade Mouth array and burner.
(2) technical solution
The present invention provides a kind of with the nozzle for dividing shape blade, including inner layer cylinder, outer layer cylinder and divides shape blade, In, the inner layer cylinder and the coaxial arrangement of outer layer cylinder, the inner layer cylinder surround 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, it is described divide shape blade under the action of, the flammable mixture of the outer layer runner is same When moved along axial direction and circumferencial direction, and sprayed after converging with the flammable mixture of the internal layer runner.
Preferably, described point of shape blade includes the multistage point shape blade being distributed by upstream to downstream direction, every fraction shape leaf Piece includes multiple blades, and the blade has relative to axial inclination angle.
Preferably, the multistage divides the number of shape blade according to 2n-1Rule again increases, and upper level divides each of shape blade Blade corresponds to two blades of next fraction shape blade, and described two blades of next fraction shape blade are arranged symmetrically in upper level Divide the two sides of the blade of shape blade.
Preferably, further includes: mesh plate is set to internal layer runner, and flammable mixture enters internal layer runner through mesh plate.
Preferably, further includes: divide on shape blade, mesh plate and inner layer cylinder described coated with catalyst coat.
Preferably, the upstream end correction of the flank shape of the blade be swallow-tail form, it is zigzag, arc-shaped or how arc-shaped.
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 injection hole, connect outer layer cylinder hollow cavity The side opening of internal wall;Outer layer cylinder hollow cavity inner wall position corresponding with point shape blade side opening also has opening, Hollow cavity is connected to a point internal fuel passage for shape blade;Fuel or air enter hollow cavity, subsequently into dividing shape blade Internal fuel passage, and sprayed by the first fuel injection hole of point shape blade to outer layer runner, 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 injection hole;Inner layer cylinder and The corresponding position of two fuel injection holes is provided with through-hole, by the second fuel injection hole and through-hole, divides the inner fuel of shape blade logical Road is connected to internal layer runner;Fuel or air enter the internal fuel passage for dividing shape blade through hollow cavity, a part of fuel or Air is sprayed by the first fuel injection hole to outer layer runner, forms flammable mix with the air or fuel blending for entering outer layer runner Object, another part fuel or air enter internal layer runner by the second fuel injection hole, with the air or combustion for entering internal layer runner Material is blended, and flammable mixture is formed.
The present invention also provides a kind of nozzle arrays, including multiple any of the above-described kind of nozzle, wherein the nozzle array is Circular array, the circular array include P circle nozzle, and every circle nozzle includes Q nozzle, wherein 1≤P, Q≤100;Alternatively, institute Stating nozzle array is rectangular array, and the rectangular array includes P row nozzle, and every row nozzle includes Q nozzle, wherein 1≤P, Q≤ 100。
The present invention also provides a kind of burners comprising any of the above-described kind of nozzle or said nozzle array.
(3) beneficial effect
It can be seen from the above technical proposal that of the invention has the nozzle, nozzle array and burner for dividing shape blade Have it is following the utility model has the advantages that
(1) along axial each fraction shape lobe numbers according to 2n-1Rule again gradually increases, and next stage divides shape blade pair Claim the two sides for being arranged in upper level point shape blade, point shape blade of this structure is conducive to improve rotational flow capacity, the stabilization of nozzle Property and efficiency of combustion, inhibit to divide flow separation on shape blade, reduce obstruction and flow losses;
(2) flammable mixture of outer layer runner generates centrifugal force after flowing through point shape blade, under the influence of centrifugal force, flammable Mixture is when leaving jet expansion no longer by the constraint of outer layer cylinder, and fluid motion is flared, jet expansion central axes are attached Close fluid velocity, which reduces, even generates reflux, to improve the stability of flame combustion.
(3) flammable mixture enters internal layer runner through mesh plate, and mesh plate can control the fluid stream by inner layer cylinder Amount, can also increase the turbulivity of fluid;
(4) catalyst coat is coated on dividing shape blade, mesh plate and inner layer cylinder, catalyst coat can reduce instead Activation energy is answered, carries out burning under lower temperature and concentration, burning pollutant discharge can be reduced;
(5) fuel enters the internal fuel passage for dividing 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, another part fuel passes through second Fuel injection hole enters internal layer runner, and the air into internal layer runner is blended, and forms flammable mixture, further improves The eddy flow efficiency of nozzle and the uniformity of blending.
Detailed description of the invention
Fig. 1 is to have the nozzle arrangements schematic diagram for dividing 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 the schematic diagram that blade tilt is positive;
Fig. 4 is the schematic diagram that blade tilt is negative;
Fig. 5 is the scale diagrams of nozzle;
Fig. 6 is to have the nozzle top view for dividing 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 to have the nozzle arrangements schematic diagram for dividing shape blade according to second embodiment of the invention;
Fig. 9 divides shape blade schematic diagram for nozzle described in Fig. 8.
[symbol description]
10- outer layer cylinder;11- hollow cavity;
20- inner layer cylinder;
30- divides shape blade;31- the first fraction shape blade;32- the second fraction shape blade;33- third fraction shape;Inside 34- Fuel channel;The first fuel injection hole of 35-;The second fuel injection hole of 36-;
40- mesh plate;
The inclination angle A-;Distance of the B- inner layer cylinder outlet end to jet expansion;The downstream of last fraction shape blade of C- is arrived The distance of inner layer cylinder outlet end.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in more detail.
As shown in Figure 1 and Figure 2, having for first embodiment of the invention divides the nozzle of shape blade, including inner layer cylinder 20, outer Layer and divides shape blade 30 at cylinder 10, mesh plate 40, 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 set to the arrival end in internal layer runner and being located at inner layer cylinder 20,20 He of inner layer cylinder Outer layer runner is formed between outer layer cylinder 10, shape blade 30 is divided to be located in outer layer runner, is 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 third fraction shape blade 33, the first fraction Shape blade 31 is close to the arrival end of outer layer runner, and third fraction shape blade 33 is close to the outlet end of outer layer runner.
Second fraction shape blade 32 is located at the downstream direction of the first fraction shape blade 31, each of first fraction shape blade 31 Two blades of the corresponding second fraction shape blade 32 of blade, described two blades of the second fraction shape blade are arranged symmetrically in first The two sides of the blade of fraction shape blade, the quantity of the first fraction shape blade 31 are 3, and the second fraction shape blade quantity is 6.
Third fraction shape blade 33 is located at the downstream direction of the second fraction shape blade 32, each leaf of the second fraction shape blade Piece corresponds to two blades of third fraction shape blade, and described two blades of third fraction shape blade are arranged symmetrically in the second fraction The two sides of the blade of shape blade, the quantity of third fraction shape blade are 12.Number along axial each fraction shape blade is pressed 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, third 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 divides shape Blade 30 has certain inclination angle relative to axial.
Nozzle with above structure, according to fractal law, on the one hand, along axial each fraction shape lobe numbers according to 2n -1Rule again gradually increases;On the other hand, point shape blade of next stage is arranged symmetrically in the two sides of upper level point shape blade, this Point shape blade of kind structure is conducive to improve rotational flow capacity, stability and the efficiency of combustion of nozzle, inhibits the stream divided on shape blade Dynamic separation reduces obstruction and flow losses.
In the present embodiment, fuel enters before nozzle to have blended with air is formed uniformly flammable mixture, flammable mixing Object 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, generation move in the circumferential direction.Flammable mixing in outer layer runner Flammable mixture of the logistics after point shape blade with the outflow of internal layer runner converges, and is sprayed by jet expansion.Due to outer layer runner Flammable mixture flow through point shape blade after generate centrifugal force, under the influence of centrifugal force, flammable mixture goes out leaving nozzle Mouthful when no longer by the constraint of outer layer cylinder, fluid motion is flared, the fluid velocity near jet expansion central axes reduces very To reflux is generated, to improve the stability of flame combustion.
In the present embodiment, a point shape blade 30 is solid vane;Dividing shape blade 30 can be prismatic blade shown in Fig. 2, straight leaf Piece is easy to process, low manufacture cost;It may be camber blades, camber blades can guarantee required flow inlet angle simultaneously and go out Air horn;Each fraction shape length of blade may be the same or different, and preferably from upstream to downstream direction, divide shape length of blade It is gradually increased;The thickness of point shape blade can be uniform, easy to process in this way, also can be made different streamlined of thickness, in this way It can reduce flow losses;Each fraction shape blade height may be the same or different, and preferably height is identical, highly refer to The length that point shape blade is radially extended along nozzle.Correction of the flank shape can also be carried out to the upstream end for dividing shape blade, upstream end can be swallow Tail shape can further enhance eddy flow effect, and further, which can also be zigzag, arc-shaped, how arc-shaped.
Although including three fraction shape blades in the present embodiment, the series of however, the present invention is not limited thereto, point shape blade can be 1 ~100 grades, every fraction shape lobe numbers are 1~100.
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, the ratio of perforated area and mesh plate suqare is 0 on mesh plate at this time;Mesh plate 40 can whole apertures, be equivalent to and do not set Mesh plate is set, 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%.The diameter in the hole of mesh plate is 0.1-10mm, and the size in hole can be identical or not Together;The shape in hole can be the combination of circle, ellipse, triangle, polygon either these shapes.
Fig. 3 and Fig. 4 are referred to, a point inclination angle for shape blade is illustrated, dividing the inclination angle A of shape blade is -90 °~90 °, figure Dividing the inclination angle A of shape blade in 3 is 0~90 °, and it is 0~-90 ° that the inclination angle A of shape blade is divided in Fig. 4.
Fig. 5 is referred to, the distance B of inner layer cylinder outlet end to jet expansion is 0-1000mm;Last fraction shape blade Downstream to inner layer cylinder outlet end distance C be 0-1000mm.Preferably, inner layer cylinder outlet end to jet expansion away from From 1-5 times that B is outer layer drum diameter, the distance C of downstream to the inner layer cylinder outlet end of last fraction shape blade is outer 0.1-1 times of layer drum diameter.
In the present embodiment, catalyst coat is coated on dividing shape blade 30, mesh plate 40 and inner layer cylinder 20.Catalyst Coating can reduce reaction activity, carry out burning under lower temperature and concentration, can reduce burning pollutant discharge.
Having for second embodiment of the invention divides the nozzle of shape blade, in order to achieve the purpose that brief description, above-mentioned first Any technical characteristic for making same application describes all and in this, without repeating identical narration in embodiment.
The nozzle of the present embodiment, referring to Fig. 6, Fig. 7, the Upstream section of outer layer cylinder is a hollow cavity 11, divides shape blade 30 For hollow structure, an internal fuel passage 34 is formed, the trailing edge (i.e. downstream end face) of point shape blade 30 is provided with the first fuel injection Hole 35, the side opening of connection outer layer cylinder hollow cavity inner wall, outer layer cylinder hollow cavity inner wall and divides shape blade side The corresponding position that is open also has opening, and hollow cavity 11 is connected to a point internal fuel passage for shape blade 34.
The nozzle of the present embodiment, fuel enter hollow cavity, subsequently into the internal fuel passage for dividing shape blade, and by dividing First fuel injection hole 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 that are 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 injection hole or trailing edge and Leading edge is provided with the first fuel injection hole simultaneously, is conducive to the uniformity for further increasing blending in this way.
In addition, the input of fuel and air can be interchanged, that is, it is also possible to air and enters hollow cavity, fuel enters outer layer Runner.
Further, referring to Fig. 8, Fig. 9, the side that point shape blade 30 connects inner layer cylinder is also provided with the second fuel injection hole 36, the position corresponding with point shape blade side fuel injection hole of inner layer cylinder 20 is also provided with through-hole, passes through the second fuel injection hole 36 and through-hole, it is connected to a point internal fuel passage for shape blade 34 with internal layer runner, mesh plate 40 is set to last fraction shape The downstream of blade trailing edge.
Fuel enters the internal fuel passage for dividing shape blade through hollow cavity, and a part of fuel is sprayed by the first fuel injection hole It is incident upon outer layer runner, 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 improves nozzle Eddy flow efficiency and blending uniformity.
Third embodiment of the invention provides a kind of nozzle array comprising has described in multiple any of the above-described embodiments Divide the nozzle of shape blade.
Wherein, which is circular array, which includes P circle nozzle, and every circle nozzle includes Q nozzle, Wherein 1≤P, Q≤100.
Wherein, which is rectangular array, which includes P row nozzle, and every row nozzle includes Q nozzle, Wherein 1≤P, Q≤100.
Fourth embodiment of the invention provides a kind of burner comprising has described in any of the above-described embodiment and divides shape leaf The nozzle of piece or the nozzle array.
So far, attached drawing is had been combined the present embodiment is described in detail.According to above description, those skilled in the art There should be clear understanding to nozzle, nozzle array and the burner with point shape blade of the invention.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and not only limiting Various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out simply more it Change or replaces, such as:
(1) direction term mentioned in embodiment, such as "upper", "lower", "front", "rear", "left", "right" etc. are only ginsengs The direction for examining attached drawing, the protection scope being not intended to limit the invention;
(2) above-described embodiment can be based on the considerations of design and reliability, and the collocation that is mixed with each other uses or and other embodiments Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention Within the scope of shield.

Claims (8)

1. a kind of with the nozzle for dividing shape blade, which is characterized in that including inner layer cylinder, outer layer cylinder and divide shape blade, wherein
The inner layer cylinder and the coaxial arrangement of outer layer cylinder, the inner layer cylinder surround 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, or, fuel or air enter the internal layer runner and outer layer Flammable mixture is formed after runner, it is described divide shape blade under the action of, the flammable mixture of the outer layer runner is simultaneously along axis It moves to circumferencial direction, and is sprayed after converging with the flammable mixture of the internal layer runner;
Wherein, described point of shape blade includes the multistage point shape blade being distributed by upstream to downstream direction, divides shape leaf described in the first order Piece divides described in afterbody shape blade close to the outlet end of the outer layer runner close to the arrival end of the outer layer runner, and every grade Point shape blade includes multiple blades, and the blade has relative to axial inclination angle;
The number of the multistage point shape blade increases according to 2n-1 times of rule, under upper level divides each blade of shape blade corresponding Two blades of one fraction shape blade, described two blades of next fraction shape blade are arranged symmetrically in upper level point shape blade The two sides of the blade;
Wherein, the n is the series for dividing shape blade, 1≤n≤100.
2. nozzle as described in claim 1, which is characterized in that further include: mesh plate is set to internal layer runner, flammable mixed It closes object and enters internal layer runner through mesh plate.
3. nozzle as claimed in claim 2, which is characterized in that further include: divide shape blade, mesh plate and inner layer cylinder described It is upper to be coated with catalyst coat.
4. nozzle as described in claim 1, which is characterized in that the upstream end correction of the flank shape of the blade is swallow-tail form, zigzag, circle How arc-shaped arc is.
5. nozzle as described in claim 1, which is characterized 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 injection hole, the side opening of connection outer layer cylinder hollow cavity inner wall;
Outer layer cylinder hollow cavity inner wall position corresponding with point shape blade side opening also has an opening, hollow cavity and divides shape The internal fuel passage of blade is connected to;
Fuel or air enter hollow cavity, subsequently into the internal fuel passage for dividing shape blade, and first by dividing shape blade Fuel injection hole is sprayed to outer layer runner, forms flammable mixture with the air or fuel blending for entering outer layer runner.
6. nozzle as claimed in claim 5, which is characterized in that
The side of described point of shape blade connection inner layer cylinder is provided with the second fuel injection hole;
Inner layer cylinder position corresponding with the second fuel injection hole is provided with through-hole, by the second fuel injection hole and through-hole, divides shape The internal fuel passage of blade is connected to internal layer runner;
Fuel or air enter the internal fuel passage for dividing 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 by the second fuel injection hole enter internal layer runner, are blended with the air or fuel of entrance internal layer runner, shape At flammable mixture.
7. a kind of nozzle array, which is characterized in that including nozzle described in multiple any one of claims 1 to 6 claims, Wherein,
The nozzle array is circular array, and the circular array includes P circle nozzle, and every circle nozzle includes Q nozzle, wherein 1 ≤P,Q≤100;Alternatively,
The nozzle array is rectangular array, and the rectangular array includes P row nozzle, and every row nozzle includes Q nozzle, wherein 1 ≤P、Q≤100。
8. a kind of burner, which is characterized in that it includes nozzle described in any one of claim 1-6 claim, or Nozzle array as claimed in claim 7.
CN201710023516.1A 2017-01-12 2017-01-12 With the nozzle, nozzle array and burner for dividing shape blade Active CN106838905B (en)

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CN106838905B true CN106838905B (en) 2019-02-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112177681B (en) * 2020-09-21 2022-03-15 西北工业大学 Fractal intermittent rib structure suitable for internal cooling of turbine blade

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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
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
CN204513387U (en) * 2015-03-31 2015-07-29 山东钢铁股份有限公司 boiler and burner thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN204513387U (en) * 2015-03-31 2015-07-29 山东钢铁股份有限公司 boiler and burner thereof

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