CN207648852U - A kind of combustion chamber and gas turbine - Google Patents
A kind of combustion chamber and gas turbine Download PDFInfo
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- CN207648852U CN207648852U CN201721583204.8U CN201721583204U CN207648852U CN 207648852 U CN207648852 U CN 207648852U CN 201721583204 U CN201721583204 U CN 201721583204U CN 207648852 U CN207648852 U CN 207648852U
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- combustion chamber
- cyclone
- turbine
- feed inlet
- inlet component
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Abstract
The utility model is related to gas turbine technology field, disclose a kind of combustion chamber and gas turbine, to simplify the design cycle and difficulty of the gas-turbine combustion chamber of different capacity, to accelerate different capacity miniature gas turbine combustion chamber product development process.The combustion chamber includes head feed inlet component, cyclone group, burner inner liner and turbine casing, wherein, the turbine casing is coated on the outside of sequentially coaxially concatenated head feed inlet component, cyclone and burner inner liner in a manner of clearance fit, and there is air intake, the head feed inlet component to have multiple fuel nozzles along the distribution of its sectional uniform for the side that the turbine casing corresponds to the head feed inlet component.
Description
Technical field
The utility model is related to gas turbine technology field, more particularly to a kind of combustion chamber and gas turbine.
Background technology
Gas turbine is gas continuously to flow as working medium impeller high speed rotation, is to have by the energy conversion of fuel
Diligent internal combustion type dynamic power machine is typical new and high technology intensive product.As high-tech carrier, gas turbine represents
The level of aggregation of more theoretical subjects and the development of multiple-project field, be national high-tech level and scientific and technological strength important symbol it
One, there is strategic position very outstanding.Three big components of miniature gas turbine are combustion chamber, compressor and turbine, combustion chamber
Performance will have a direct impact on the overall performance of miniature gas turbine.Miniature gas turbine has different output works according to actual needs
Rate, such as 10KW, 30KW, 50KW, 65KW, 100KW, 300KW etc..Its each component of the miniature gas turbine of different output power needs
It redesigns and matches.Time-consuming for the design of the miniature gas turbine combustion chamber of existing different capacity, it is also necessary to many experiments
It adjusts, influences product development process.
Utility model content
The utility model provides a kind of combustion chamber and gas turbine, to simplify the gas-turbine combustion chamber of different capacity
Design cycle and difficulty, to accelerate different capacity miniature gas turbine combustion chamber product development process.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of combustion chamber, including head feed inlet component, cyclone group, burner inner liner and turbine casing, wherein the turbine
Casing is coated on the outside of sequentially coaxially concatenated head feed inlet component, cyclone and burner inner liner in a manner of clearance fit,
And there is air intake, the head feed inlet component to have for the side that the turbine casing corresponds to the head feed inlet component
Multiple fuel nozzles along the distribution of its sectional uniform.
Preferably, there are three fuel nozzles for the head feed inlet component tool.
Preferably, the combustion chamber further includes multiple blending holes, and the multiple blending hole spacer ring is around being set to the fire
Flame cylinder side wall.
Preferably, there is primary holes on the stage casing barrel of the burner inner liner.
Preferably, the burner inner liner barrel has the cooling hole around array arrangement.
Preferably, the aperture of the cooling hole is 0.8~1.2mm, and the primary holes aperture is more than the cooling hole hole
Diameter.
Preferably, the cyclone group includes multiple cyclones of connection corresponding with each fuel nozzle.
Preferably, each cyclone is in open column shape, and each cyclone include cyclone inner ring, cyclone outer ring and
Swirler blades are inserted with corresponding fuel nozzle in the cyclone inner ring.
Preferably, the fuel nozzle end being inserted in the cyclone inner ring has 6~15 fuel jet orifices, and described
The aperture of fuel jet orifice is 1.2~4mm.
The gas-turbine combustion chamber that the utility model embodiment provides, head feed inlet component have multiple cartridges
Mouthful, the head feed inlet that existing small-power combustion chamber can be selected when designing the gas-turbine combustion chamber of different capacity carries out group
It closes, the Combustion chamber design that the utility model embodiment provides is more efficient and convenient, can be used as preliminary Combustion chamber design scheme, from
And simplify the design cycle and difficulty of the gas-turbine combustion chamber of different capacity, accelerate the miniature gas turbine combustion of different capacity
Burn the product development process of room.Air intake, the air is arranged in the side of corresponding head feed inlet component in turbine casing simultaneously
Inlet air flow direction is consistent with the direction that fuel enters combustion chamber to enable to air and high-temperature flue gas when burning to mix evenly,
To improve the uniformity coefficient of combustor exit gas flow temperature and the capacity usage ratio of combustion chamber.
A kind of gas turbine, including compressor, turbine and combustion chamber as described above.
The gas turbine that the utility model embodiment provides includes above-mentioned combustion chamber, can also reach simplified different capacity
The design cycle and difficulty of gas-turbine combustion chamber, to accelerate different capacity miniature gas turbine combustion chamber product development
The purpose of progress.
Description of the drawings
Fig. 1 is the structural schematic diagram for the gas-turbine combustion chamber that the utility model embodiment provides；
Fig. 2 is the axis sectional view for the gas-turbine combustion chamber that the utility model embodiment provides；
Fig. 3 is the head feed inlet component sectional view for the gas-turbine combustion chamber that the utility model embodiment provides；
Fig. 4 is fuel nozzle and the cyclone combination signal for the gas-turbine combustion chamber that the utility model embodiment provides
Figure.
Reference numeral：
The heads 1- feed inlet component
2- swirler assemblies
3- burner inner liners
4- turbine casings
5- air intakes
11- fuel nozzles
111- fuel jet orifices
21- cyclones
211- cyclone inner rings
212- cyclones outer ring
213- swirler blades
31- blending holes
32- primary holes
33- cooling holes
Specific implementation mode
For simplify different capacity gas-turbine combustion chamber design cycle and difficulty, to accelerate the miniature of different capacity
The product development process of gas-turbine combustion chamber.To keep the purpose of this utility model, technical solution and advantage clearer, below
The utility model is described in further detail for embodiment.
With reference to figure 1, Fig. 2 and Fig. 3, the combustion chamber that a kind of embodiment of the utility model provides, including head feed inlet component
1, cyclone group 2, burner inner liner 3 and turbine casing 4, wherein turbine casing 4 is coated in a manner of clearance fit sequentially coaxially goes here and there
The head feed inlet component 1 of connection, the outside of cyclone 2 and burner inner liner 3, and the turbine casing 4 corresponds to head feed inlet component 1
There is air intake 5, head feed inlet component 1 to have multiple fuel nozzles 11 along the distribution of its sectional uniform for side.
The gas-turbine combustion chamber that the utility model embodiment provides, head feed inlet component have multiple cartridges
Mouthful, the head feed inlet that existing small-power combustion chamber can be selected when designing the gas-turbine combustion chamber of different capacity carries out group
It closes, the Combustion chamber design that the utility model embodiment provides is more efficient and convenient, can be used as preliminary Combustion chamber design scheme, from
And simplify the design cycle and difficulty of the gas-turbine combustion chamber of different capacity, accelerate the miniature gas turbine combustion of different capacity
Burn the product development process of room.Air intake, the air is arranged in the side of corresponding head feed inlet component in turbine casing simultaneously
Inlet air flow direction is consistent with the direction that fuel enters combustion chamber to enable to air and high-temperature flue gas when burning to mix evenly,
To improve the uniformity coefficient of combustor exit gas flow temperature and the capacity usage ratio of combustion chamber.
The fuel nozzle quantity of the incorrect portion's feed inlet component of the utility model embodiment carries out concrete restriction, is actually answering
It can be accepted or rejected according to required combustion chamber power in, but pass through utility model people's lot of experiment validation, when head feed inlet group
For part tool there are three when fuel nozzle, the output power range that combustion chamber can be formed is larger, and at this time so that air and high temperature cigarette
Gas mixes evenly, to further increase the uniformity coefficient of combustor exit gas flow temperature and the capacity usage ratio of combustion chamber.
With reference to figure 1 and Fig. 2, in another embodiment of the utility model, there are multiple blending holes 31 on 3 barrel of burner inner liner,
31 spacer ring of multiple blending holes of combustion chamber is around being set to 3 side wall of burner inner liner.The aperture of blending hole 31 is preferably 8mm~20mm.
Burner inner liner sidewall spacers enable to dilution air more uniform around multiple blending holes, multiple blending holes of such setting are arranged
Ground enters in burner inner liner so that air and high-temperature flue gas mix evenly, to improve the equal of combustor exit gas flow temperature
The capacity usage ratio of even degree and combustion chamber.
In another embodiment of the utility model, as depicted in figs. 1 and 2, have on the stage casing barrel of the burner inner liner 3 of combustion chamber
There is primary holes 32.Primary holes can improve the efficiency of combustion in burner inner liner and balance the pressure inside and outside burner inner liner, to improve combustion
Burn room working performance and service life.3 barrel of burner inner liner also has the cooling hole 33 around array arrangement.Cooling hole can balance
Pressure inside and outside burner inner liner, and balance burner inner liner internal-external temperature difference and prevented cause thermal damage, to further increase combustion chamber operational
Energy and service life.Cooling effect is best between cooling hole aperture is in 0.8mm~1.5mm, can be while stablizing burning
The damage for reducing combustion chamber, to improve combustion chamber service life.Aperture is too small can not to effectively form gaseous film control, Bu Nengda
To the purpose of protection cyclone and burner inner liner；Aperture too it is big then can extinguishing partial combustion processes, it is final to reduce combustion chamber
Working efficiency.Gaseous film control basic principle is：Cooling air-flow, this stock are introduced from the hole on the wall surface of hot environment to high temperature mainstream
Cooling air-flow is downstream bent under the pressure and friction force effect of high temperature mainstream, is attached on wall surface certain area, is formed temperature
It spends lower cold air film wall surface is isolated with high-temperature fuel gas, and takes away part high-temperature fuel gas, it is good cold to be played to wall surface
But protective effect.
With reference to figure 3 and Fig. 4, the cyclone group 2 in the utility model embodiment includes connects corresponding with each fuel nozzle 11
Logical multiple cyclones 21.Further, each cyclone 21 is in open column shape, and each cyclone 21 includes in cyclone
211, cyclone outer ring 212 and swirler blades 212 are enclosed, corresponding fuel nozzle 11 is inserted in cyclone inner ring 211.Its
In, the quantity of swirler blades is 6~14 in each cyclone.Cyclone group is set in the combustion chamber, and air-flow is passing through rotation
Low speed recirculating zone can be formed in the combustion chamber when flowing device group, gas velocity can be made consistent with flame propagation velocity in this way, to
Ensure that the stabilization of burning, the formation of recirculating zone can also ensure the safety of burning.Preferably using combustion in the utility model embodiment
Expects pipe mouth and the one-to-one setting structure of cyclone, stability when can preferably ensure combustion chambers burn and safety.
Further, 11 end of fuel nozzle being inserted in cyclone inner ring 211 has 6~15 fuel jet orifices 111, and the combustion
Expect that the aperture of spray orifice 111 is 1.2~4mm.Fuel jet orifice can be in dispersion fuel nozzle fuel form tiny fuel fog,
To improve the efficiency of combustion and combustion stability in combustion chamber.
The utility model embodiment additionally provides a kind of gas turbine, including compressor, turbine and combustion as described above
Burn room.
The gas turbine that the utility model embodiment provides includes above-mentioned combustion chamber, can also reach simplified different capacity
The design cycle and difficulty of gas-turbine combustion chamber, to accelerate different capacity miniature gas turbine combustion chamber product development
The purpose of progress.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the present invention belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of combustion chamber, which is characterized in that including head feed inlet component, cyclone group, burner inner liner and turbine casing,
In, the turbine casing is coated on sequentially coaxially concatenated head feed inlet component, cyclone and fire in a manner of clearance fit
The outside of flame cylinder, and the turbine casing correspond to the head feed inlet component side have air intake, the head into
Material mouth component has multiple fuel nozzles along the distribution of its sectional uniform.
2. combustion chamber according to claim 1, which is characterized in that there are three cartridges for the head feed inlet component tool
Mouthful.
3. combustion chamber according to claim 2, which is characterized in that further include multiple blending holes, between the multiple blending hole
Spacer ring is around being set to the burner inner liner side wall.
4. combustion chamber according to claim 1, which is characterized in that have primary holes on the stage casing barrel of the burner inner liner.
5. combustion chamber according to claim 4, which is characterized in that the burner inner liner barrel has around the cold of array arrangement
But hole.
6. combustion chamber according to claim 5, which is characterized in that the aperture of the cooling hole is 0.8~1.2mm, and institute
It states primary holes aperture and is more than the cooling hole aperture.
7. combustion chamber according to claim 1, which is characterized in that the cyclone group includes corresponding with each fuel nozzle
Multiple cyclones of connection.
8. combustion chamber according to claim 7, which is characterized in that each cyclone is in open column shape, and each eddy flow
Device includes cyclone inner ring, cyclone outer ring and swirler blades, and corresponding fuel nozzle is inserted in the cyclone inner ring.
9. combustion chamber according to claim 8, which is characterized in that be inserted in the fuel nozzle end in the cyclone inner ring
End has 6~15 fuel jet orifices, and the aperture of the fuel jet orifice is 1.2~4mm.
10. a kind of gas turbine, which is characterized in that including compressor, turbine and according to any one of claims 1 to 9
Combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583204.8U CN207648852U (en) | 2017-11-23 | 2017-11-23 | A kind of combustion chamber and gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583204.8U CN207648852U (en) | 2017-11-23 | 2017-11-23 | A kind of combustion chamber and gas turbine |
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| Publication Number | Publication Date |
|---|---|
| CN207648852U true CN207648852U (en) | 2018-07-24 |
Family
ID=62889972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721583204.8U Active CN207648852U (en) | 2017-11-23 | 2017-11-23 | A kind of combustion chamber and gas turbine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185924A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185923A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | A kind of chamber head part device, combustion chamber and gas turbine |
| CN114294678A (en) * | 2021-12-03 | 2022-04-08 | 南京航空航天大学 | Intelligent combustion control system for outlet temperature distribution and working method |
| CN116067610A (en) * | 2023-04-06 | 2023-05-05 | 中国空气动力研究与发展中心空天技术研究所 | Cold and hot air flow mixing device capable of adjusting air flow temperature in wide range under low Mach number |
-
2017
- 2017-11-23 CN CN201721583204.8U patent/CN207648852U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185924A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185923A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | A kind of chamber head part device, combustion chamber and gas turbine |
| CN109185924B (en) * | 2018-08-03 | 2023-09-12 | 新奥能源动力科技（上海）有限公司 | Combustion chamber head device, combustion chamber and gas turbine |
| CN109185923B (en) * | 2018-08-03 | 2023-09-12 | 新奥能源动力科技（上海）有限公司 | Combustion chamber head device, combustion chamber and gas turbine |
| CN114294678A (en) * | 2021-12-03 | 2022-04-08 | 南京航空航天大学 | Intelligent combustion control system for outlet temperature distribution and working method |
| CN114294678B (en) * | 2021-12-03 | 2022-10-21 | 南京航空航天大学 | Intelligent combustion control system for outlet temperature distribution and working method |
| CN116067610A (en) * | 2023-04-06 | 2023-05-05 | 中国空气动力研究与发展中心空天技术研究所 | Cold and hot air flow mixing device capable of adjusting air flow temperature in wide range under low Mach number |
| CN116067610B (en) * | 2023-04-06 | 2023-06-02 | 中国空气动力研究与发展中心空天技术研究所 | Cold and hot air flow mixing device capable of adjusting air flow temperature in wide range under low Mach number |
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