CN206861592U - A kind of combustion chamber and gas turbine - Google Patents
A kind of combustion chamber and gas turbine Download PDFInfo
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- CN206861592U CN206861592U CN201720508787.1U CN201720508787U CN206861592U CN 206861592 U CN206861592 U CN 206861592U CN 201720508787 U CN201720508787 U CN 201720508787U CN 206861592 U CN206861592 U CN 206861592U
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- combustion chamber
- cyclone
- inner liner
- burner inner
- air inlet
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Abstract
It the utility model is related to gas turbine technology field, disclose a kind of combustion chamber and gas turbine, to improve the intake method of combustion chamber so that air and high-temperature flue gas are mixed evenly, so as to improve the capacity usage ratio of the uniformity coefficient of combustor exit gas flow temperature and combustion chamber.The combustion chamber includes cartridge, burner inner liner, cyclone group and turbine casing, wherein, the discharging opening of the cartridge connects with the entrance of the burner inner liner, and the connectivity part of the cartridge and the burner inner liner is provided with cyclone group, the turbine casing gap, which coordinates, to be coated on the outside of the cartridge and burner inner liner, there are multiple blending holes, the turbine casing side wall is at least provided with an air inlet duct, and the multiple blending hole corresponds to the air inlet duct and set on the burner inner liner barrel.
Description
Technical field
Gas turbine technology field is the utility model is related to, more particularly to a kind of combustion chamber and gas turbine.
Background technology
Gas turbine is rotated at a high speed using the gas continuously flowed as working medium impeller, is to have by the energy conversion of fuel
Diligent internal combustion type dynamic power machine, it is typical new and high technology intensive product.As high-tech carrier, gas turbine represents
The level of aggregation of how theoretical subject and multiple-project field development, be that national high-tech is horizontal and the important symbol of scientific and technological strength it
One, there is very prominent strategic position.Three big parts of miniature gas turbine are combustion chamber, compressor and turbine, combustion chamber
Performance can directly affect the overall performance of miniature gas turbine.Whether the Temperature Distribution of combustor exit uniformly also has to turbine
Material impact, local high temperature have destruction to turbine.Other combustor total pressure loss accounts for the total loss of miniature gas turbine
Greatly, combustor total pressure loss is small, then the total loss of miniature gas turbine is small so that miniature gas turbine overall efficiency
It is higher.
The combustion chamber charge of existing gas turbine is axial admission, and the momentum of the combustion chamber dilution air of axial admission is not
Foot, the mixing of air and high-temperature flue gas are not uniform enough so that combustor exit gas flow temperature is uneven, and combustion chamber self-energy is damaged
Lose high.
Utility model content
The utility model provides a kind of combustion chamber and gas turbine, to improve the intake method of combustion chamber so that air
With high-temperature flue gas mixing evenly, so as to improve the energy utilization of the uniformity coefficient of combustor exit gas flow temperature and combustion chamber
Rate.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of combustion chamber, including cartridge, burner inner liner, cyclone group and turbine casing, wherein, the discharging of the cartridge
Mouth connects with the entrance of the burner inner liner, and the connectivity part of the cartridge and the burner inner liner is provided with cyclone group, described
Turbine casing gap, which coordinates, to be coated on the outside of the cartridge and burner inner liner, has multiple blending holes on the burner inner liner barrel,
The turbine casing side wall is at least provided with an air inlet duct, and the multiple blending hole corresponds to the air inlet duct and set.
Preferably, the air inlet duct is two and is relatively arranged on the turbine casing side wall.
Preferably, the multiple blending hole spacer ring is around being arranged at the burner inner liner side wall.
Preferably, the setting area of the multiple blending hole is between the first setting position and the second setting position, and
First setting position and the second setting position are projected boundary of the air inlet duct on the burner inner liner.
Preferably, there is primary holes on the stage casing barrel of the burner inner liner.
Preferably, the burner inner liner barrel has the Cooling Holes around array arrangement.
Optionally, the fuel pipe end is provided with atomizer.
Preferably, the cyclone group includes one-level cyclone and second cyclone, the one-level cyclone and two level rotation
Stream device is in open column shape, and the external diameter of the one-level cyclone is more than the external diameter of the second cyclone, and the one-level eddy flow
Device and second cyclone are coaxial and stepped in the axial direction shift to install.
Preferably, every grade of cyclone includes cyclone air inlet, cyclone bottom plate and swirler blades.
The combustion chamber that the utility model embodiment provides, the discharging opening of cartridge connects with the entrance of burner inner liner, and fuel
The connectivity part of pipe and burner inner liner is provided with cyclone group, and the combustion adjuvant into turbine casing provides at cyclone group with cartridge
Fuel reaction, and then go through in burner inner liner burning generation high-temperature flue gas.There are multiple blending holes on burner inner liner barrel, take turns
Machine casing side wall is at least provided with an air inlet duct, and multiple blending holes correspond to air inlet duct and set, and the dilution air in air inlet duct is horizontal
High-temperature flue gas into incorporation burner inner liner so that air and high-temperature flue gas are mixed evenly, so as to improve combustor exit air-flow
The uniformity coefficient of 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 improve the air inlet side of combustion chamber
Formula so that air and high-temperature flue gas are mixed evenly, so as to improve the uniformity coefficient of combustor exit gas flow temperature and combustion chamber
Capacity usage ratio.
Brief description of the drawings
Fig. 1 is the structural representation for the combustion chamber that the embodiment of the utility model one provides；
Fig. 2 is the oblique sectional view for the burning that the embodiment of the utility model one provides；
Fig. 3 is the structural representation for the combustion chamber that another embodiment of the utility model provides；
Fig. 4 is the partial structural diagram for the combustion chamber that another embodiment of the utility model provides.
Reference：
1- cartridges
2- burner inner liners
21- blending holes
The setting positions of 211- first
The setting positions of 212- second
22- primary holes
23- Cooling Holes
3- cyclone groups
31- one-level cyclones
311- one-level cyclone bottom plates
312- one-level swirler blades
313- one-level cyclone air inlets
32- second cyclones
321- second cyclone bottom plates
322- second cyclone blades
323- second cyclone air inlets
4- turbine casings
41- air inlet ducts
Embodiment
To improve the intake method of combustion chamber so that air and high-temperature flue gas mixing evenly, go out so as to improve combustion chamber
The mouth uniformity coefficient of gas flow temperature and the capacity usage ratio of combustion chamber, the utility model embodiment provide a kind of combustion chamber and combustion
Gas-turbine.To make the purpose of this utility model, technical scheme and advantage clearer, the utility model is made by the following examples
It is further described.
With reference to figure 1 and Fig. 2, a kind of combustion chamber of embodiment offer of the utility model, including cartridge 1, burner inner liner 2, rotation
Device group 3 and turbine casing 4 are flowed, wherein, the discharging opening of cartridge 1 connects with the entrance of burner inner liner 2, and cartridge 1 and burner inner liner 2
Connectivity part be provided with cyclone group 3, the gap of turbine casing 4, which coordinates, is coated on cartridge 1 and the outside of burner inner liner 2, burner inner liner 2
There are multiple blending holes 21, the side wall of turbine casing 4 is at least provided with an air inlet duct 41, and the 21 corresponding air inlet of multiple blending holes on wall
Groove 41 is set.
The combustion chamber that the utility model embodiment provides, the discharging opening of cartridge connects with the entrance of burner inner liner, and fuel
The connectivity part of pipe and burner inner liner is provided with cyclone group, and the combustion adjuvant into turbine casing provides at cyclone group with cartridge
Fuel reaction, and then go through in burner inner liner burning generation high-temperature flue gas.There are multiple blending holes on burner inner liner barrel, take turns
Machine casing side wall is at least provided with an air inlet duct, and multiple blending holes correspond to air inlet duct and set, and the dilution air in air inlet duct is horizontal
High-temperature flue gas into incorporation burner inner liner so that air and high-temperature flue gas are mixed evenly, so as to improve combustor exit air-flow
The uniformity coefficient of temperature and the capacity usage ratio of combustion chamber.
With reference to figure 3, in another embodiment of the utility model, the air inlet duct 41 of combustion chamber is two and is relatively arranged on wheel
The side wall of machine casing 4.Turbine casing side wall is relatively set with two air inlet ducts, can reduce the interference between charge air flow, so as to
Stable dilution air stream is formed, further improves the uniformity coefficient of combustor exit gas flow temperature and the energy utilization of combustion chamber
Rate.
Further, as shown in figure 3, the spacer ring of multiple blending holes 21 of combustion chamber is around being arranged at the side wall of burner inner liner 2.Flame
For cylinder sidewall spacers around multiple blending holes are set, the multiple blending holes being arranged such enable to dilution air more equably to enter
Enter into burner inner liner so that air and high-temperature flue gas are mixed evenly, so as to improve the uniform journey of combustor exit gas flow temperature
Degree and the capacity usage ratio of combustion chamber.
Preferably, as shown in figure 3, the setting area of multiple blending holes 21 is positioned at the first setting position 211 and the second setting
Between position 212, and the setting position 212 of the first setting position 211 and second is projection side of the air inlet duct 41 on burner inner liner 2
Boundary.
In the another embodiment of the utility model, as shown in figure 4, having master on the stage casing barrel of the burner inner liner 2 of combustion chamber
Fire hole 22.Primary holes can improve the efficiency of combustion in burner inner liner and balance the pressure inside and outside burner inner liner, so as to improve combustion chamber
Service behaviour and service life.The barrel of burner inner liner 2 also has the Cooling Holes 23 around array arrangement.Cooling Holes can balance flame
Pressure inside and outside cylinder, and balance burner inner liner internal-external temperature difference and prevented cause thermal damage, so as to further improve combustion chamber operational performance and
Service life.
With reference to figure 4, cyclone group 3 includes one-level cyclone 31 and second cyclone in the utility model preferred embodiment
32, the one-level cyclone 31 and second cyclone 32 are in open column shape, and the external diameter of one-level cyclone 31 is more than second cyclone
32 external diameter, and one-level cyclone 31 and second cyclone 32 are coaxial and stepped in the axial direction shift to install.Every grade
Cyclone includes cyclone air inlet, cyclone bottom plate and swirler blades.In corresponding diagram 4, i.e., one-level cyclone 31 includes one
Level cyclone bottom plate 311, one-level swirler blades 312 and one-level cyclone air inlet 313, second cyclone 32 revolve including two level
Flow device bottom plate 321, second cyclone blade 322 and second cyclone air inlet 323.Cyclone group, gas are set in combustion chamber
Stream can form low speed recirculating zone when by cyclone group in combustion chamber, can so make gas velocity and flame propagation velocity
Unanimously, so as to ensure the stabilization of burning, the formation of recirculating zone can also ensure the safety of burning.It is excellent in the utility model embodiment
Choosing uses second cyclone group, can preferably ensure the stability and security during combustion chambers burn.
In another preferred embodiment of the utility model, the fuel pipe end of combustion chamber is provided with atomizer.Atomization
Nozzle can be in dispersion fuel pipe fuel form tiny fuel fog, so as to improve the efficiency of combustion in combustion chamber.This reality
It is defined, can be voluntarily selected according to the concrete condition of tool combustion chamber with the new not model to atomizer, material etc. parameter.
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 improve the air inlet side of combustion chamber
Formula so that air and high-temperature flue gas are mixed evenly, so as to improve the uniformity coefficient of combustor exit gas flow temperature and combustion chamber
Capacity usage ratio.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from
Spirit and scope of the present utility model.So, if these modifications and variations of the present utility model belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model be also intended to comprising these change and modification including.
Claims (10)
- A kind of 1. combustion chamber, it is characterised in that including cartridge, burner inner liner, cyclone group and turbine casing, wherein, the combustion The discharging opening of expects pipe connects with the entrance of the burner inner liner, and the connectivity part of the cartridge and the burner inner liner is provided with eddy flow Device group, the turbine casing gap, which coordinates, to be coated on the outside of the cartridge and burner inner liner, is had on the burner inner liner barrel more Individual blending hole, the turbine casing side wall is at least provided with an air inlet duct, and the multiple blending hole corresponds to the air inlet duct and set Put.
- 2. combustion chamber according to claim 1, it is characterised in that the air inlet duct is two and is relatively arranged on the wheel Machine casing side wall.
- 3. combustion chamber according to claim 2, it is characterised in that the multiple blending hole spacer ring is around being arranged at the fire Flame cylinder side wall.
- 4. combustion chamber according to claim 3, it is characterised in that the setting area of the multiple blending hole is set positioned at first Positioning is put between the second setting position, and first setting position and the second setting position are the air inlet duct in the fire Projected boundary on flame cylinder.
- 5. combustion chamber according to claim 1, it is characterised in that there is primary holes on the stage casing barrel of the burner inner liner.
- 6. combustion chamber according to claim 5, it is characterised in that the burner inner liner barrel has around the cold of array arrangement But hole.
- 7. combustion chamber according to claim 1, it is characterised in that the fuel pipe end is provided with atomizer.
- 8. combustion chamber according to claim 1, it is characterised in that the cyclone group includes one-level cyclone and two level is revolved Device is flowed, the one-level cyclone and second cyclone are in open column shape, and the external diameter of the one-level cyclone is more than the two level The external diameter of cyclone, and the one-level cyclone and second cyclone are coaxial and stepped in the axial direction shift to install.
- 9. combustion chamber according to claim 8, it is characterised in that every grade of cyclone includes cyclone air inlet, cyclone Bottom plate and swirler blades.
- 10. a kind of gas turbine, it is characterised 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 |
|---|---|---|---|
| CN201720508787.1U CN206861592U (en) | 2017-05-09 | 2017-05-09 | A kind of combustion chamber and gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508787.1U CN206861592U (en) | 2017-05-09 | 2017-05-09 | A kind of combustion chamber and gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206861592U true CN206861592U (en) | 2018-01-09 |
Family
ID=60823569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508787.1U Active CN206861592U (en) | 2017-05-09 | 2017-05-09 | A kind of combustion chamber and gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206861592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062306A (en) * | 2017-05-09 | 2017-08-18 | 上海泛智能源装备有限公司 | A kind of combustion chamber and gas turbine |
| CN109140500A (en) * | 2018-08-03 | 2019-01-04 | 新奥能源动力科技（上海）有限公司 | A kind of nozzle of combustion chamber, combustion chamber and miniature gas turbine |
| CN112902171A (en) * | 2021-02-03 | 2021-06-04 | 沈阳理工大学 | Double-rotation burner |
-
2017
- 2017-05-09 CN CN201720508787.1U patent/CN206861592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062306A (en) * | 2017-05-09 | 2017-08-18 | 上海泛智能源装备有限公司 | A kind of combustion chamber and gas turbine |
| CN109140500A (en) * | 2018-08-03 | 2019-01-04 | 新奥能源动力科技（上海）有限公司 | A kind of nozzle of combustion chamber, combustion chamber and miniature gas turbine |
| CN112902171A (en) * | 2021-02-03 | 2021-06-04 | 沈阳理工大学 | Double-rotation burner |
| CN112902171B (en) * | 2021-02-03 | 2023-07-11 | 沈阳理工大学 | Double-rotation burner |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee after: New Austrian energy power technology (Shanghai) Co., Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee before: Shanghai wisdom energy equipment Co., Ltd. |