CN107461764A - After-burner - Google Patents
After-burner Download PDFInfo
- Publication number
- CN107461764A CN107461764A CN201710531145.8A CN201710531145A CN107461764A CN 107461764 A CN107461764 A CN 107461764A CN 201710531145 A CN201710531145 A CN 201710531145A CN 107461764 A CN107461764 A CN 107461764A
- Authority
- CN
- China
- Prior art keywords
- turbine group
- precombustion chamber
- chamber
- afterbunring
- flameholder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses after-burner,Including afterbunring chamber,Main shaft,Turbine group,Turbine group posterior pyramids,Precombustion chamber air duct,Rectification support plate,Precombustion chamber nozzle,Precombustion chamber,Bearing,Afterburner noz(zle),Reinforce cartridge,Fuel communicating pipe,Flameholder and support frame,The turbine group posterior pyramids is fixedly installed in afterbunring intracavitary by rectification support plate,And a bearing is provided with turbine group posterior pyramids rear end,The inner ring of the bearing is fixedly connected with one end of main shaft,And turbine group is installed on main shaft,Compared with prior art,The beneficial effects of the invention are as follows the new after-burner,Design science is reasonable,It is interior provided with the turbine group being made up of multiple turbines,Bigger applying power can be provided,Bigger power is provided,The fuel communicating pipe of annular is provided with simultaneously,The combustion material of stable safety can be provided,And it is correspondingly provided with flameholder,Further increase the impulsive force of whole after-burner,Improve operating efficiency.
Description
Technical field
The present invention relates to a kind of combustion chamber, more particularly to after-burner.
Background technology
Combustion chamber be fuel or propellant burn wherein generation high-temperature fuel gas device, be one kind high-temperature alloy material
Expect the combustion apparatus made；Space after piston arrival top dead centre between its top and cylinder cover, fuel burn in this room.It
It is the important component of gas-turbine unit, punching engine, rocket engine.By diffuser, burning chamber shell, burner inner liner,
Fuel nozzle, igniter are formed；It is divided into can burner, cannular combustor, toroidal combustion chamber；Combustion chamber can not high temperature,
Big load, variable working condition, there is corrosive environment, burning to be operated in the case of high velocity air and lean mixture.
A kind of after-burner is now provided, design science is reasonable, interior provided with the turbine group being made up of multiple turbines, Neng Gouti
For bigger applying power, there is provided bigger power, while the interior fuel communicating pipe for being provided with annular, it is possible to provide the burning of stable safety
Raw material, and flameholder is correspondingly provided with, the impulsive force of whole after-burner is further increased, improves operating efficiency.
The content of the invention
It is an object of the invention to provide after-burner, to solve the problems mentioned in the above background technology.
The purpose of the present invention is achieved by following technical proposals：After-burner, including afterbunring chamber, master
Axle, turbine group, turbine group posterior pyramids, precombustion chamber air duct, rectification support plate, precombustion chamber nozzle, precombustion chamber, bearing, reinforcing combustion
Burn room nozzle, reinforcing cartridge, fuel communicating pipe, flameholder and support frame, the turbine group posterior pyramids and pass through rectification
Support plate is fixedly installed in afterbunring intracavitary, and a bearing, the inner ring of the bearing and master are provided with turbine group posterior pyramids rear end
One end of axle is fixedly connected, and turbine group is provided with main shaft, and a precombustion chamber, the pre-burning are provided with the turbine group posterior pyramids
Room rear is correspondingly provided with precombustion chamber nozzle and precombustion chamber air duct, and adjacent be provided with reinforces cartridge, institute on the right side of the precombustion chamber
State and multiple equally distributed afterburner noz(zle)s are provided with the left of reinforcing cartridge, and reinforce cartridge and led to by fuel communicating pipe
The flameholder of an annular is provided with to the outside of afterbunring chamber, on the right side of the afterbunring pipe, the flameholder passes through
Support frame is installed on afterbunring intracavitary.
Further, described precombustion chamber air duct passes from turbine group posterior pyramids and passes through reinforcing along rectification support plate
Combustion chamber.
Further, described turbine group is sequentially overlapped fixed be connected as a single entity by multiple turbines and formed.
Further, described flameholder and reinforcing cartridge shape, and the horizontal stroke of the flameholder in a ring
Section is in V-shape.
Compared with prior art, the beneficial effects of the invention are as follows the new after-burner, design science is reasonable, is inside provided with
The turbine group being made up of multiple turbines, using the teaching of the invention it is possible to provide bigger applying power, there is provided bigger power, while the interior combustion for being provided with annular
Expect communicating pipe, it is possible to provide the combustion material of stable safety, and flameholder is correspondingly provided with, further increase whole reinforcing combustion
The impulsive force of room is burnt, improves operating efficiency.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
In figure：1st, afterbunring chamber, 2, main shaft, 3, turbine group, 4, turbine group posterior pyramids, 5, precombustion chamber air duct, 6,
Rectification support plate, 7, precombustion chamber nozzle, 8, precombustion chamber, 9, bearing, 10, afterburner noz(zle), 11, reinforcing cartridge, 12, fuel
Communicating pipe, 13, flameholder, 14, support frame.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments, is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, the invention discloses after-burner, including afterbunring chamber 1, main shaft 2, turbine group 3, turbine group
Posterior pyramids 4, precombustion chamber air duct 5, rectification support plate 6, precombustion chamber nozzle 7, precombustion chamber 8, bearing 9, afterburner noz(zle) 10,
Reinforcing cartridge 11, fuel communicating pipe 12, flameholder 13 and support frame 14, the turbine group posterior pyramids 4 pass through rectification
Support plate 6 is fixedly installed in afterbunring chamber 1, and a bearing 9, the inner ring of the bearing 9 are provided with the rear end of turbine group posterior pyramids 4
It is fixedly connected with one end of main shaft 2, and turbine group 3 is installed on main shaft 2, a precombustion chamber is provided with the turbine group posterior pyramids 4
8, the rear of precombustion chamber 8 is correspondingly provided with precombustion chamber nozzle 7 and precombustion chamber air duct 5, and the right side of precombustion chamber 8 is adjacent to be provided with
Cartridge 11 is reinforced, the left side of reinforcing cartridge 11 is provided with multiple equally distributed afterburner noz(zle)s 10, and reinforces combustion
Expects pipe 11 is led to outside afterbunring chamber 1 by fuel communicating pipe 12, and the right side of afterbunring pipe 11 is provided with the fire of an annular
Flame stabilizer 13, the flameholder 13 are installed in afterbunring chamber 1 by support frame 14.
Precombustion chamber air duct 5 in the present invention is passed from turbine group posterior pyramids 4 and fired along rectification support plate 6 by reinforcing
Burn chamber 1；Described turbine group 3 is sequentially overlapped fixed be connected as a single entity by multiple turbines and formed, and multiple turbines are driven by combustion chamber,
And bigger vortex is provided, coordinate the effect of after-burner, it is possible to provide bigger driving force.
Flameholder 13 and reinforcing cartridge 11 shape, and the flameholder 13 in a ring wherein in the present invention
Cross section be in V-shape, using the teaching of the invention it is possible to provide the feeding conditions of stable and uniform, and effectively stablize flame, ensure whole afterbunring
The normal operation of chamber 1.
It is interior provided with the turbine group being made up of multiple turbines, using the teaching of the invention it is possible to provide more and whole after-burner, design science are reasonable
Big applying power, there is provided bigger power, while the interior fuel communicating pipe for being provided with annular, it is possible to provide the burning of stable safety is former
Material, and flameholder is correspondingly provided with, the impulsive force of whole after-burner is further increased, improves operating efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. after-burner, it is characterised in that：Including afterbunring chamber (1), main shaft (2), turbine group (3), turbine group posterior pyramids
(4), precombustion chamber air duct (5), rectification support plate (6), precombustion chamber nozzle (7), precombustion chamber (8), bearing (9), after-burner
Nozzle (10), reinforcing cartridge (11), fuel communicating pipe (12), flameholder (13) and support frame (14), the turbine
Group posterior pyramids (4) is fixedly installed in afterbunring chamber (1) by rectification support plate (6), and is set in turbine group posterior pyramids (4) rear end
There is a bearing (9), the inner ring of the bearing (9) is fixedly connected with one end of main shaft (2), and is provided with turbine group on main shaft (2)
(3) precombustion chamber (8), is provided with the turbine group posterior pyramids (4), precombustion chamber (8) rear is correspondingly provided with precombustion chamber nozzle
(7) and precombustion chamber air duct (5), adjacent be provided with precombustion chamber (8) right side reinforce cartridge (11), the reinforcing cartridge
(11) left side is provided with multiple equally distributed afterburner noz(zle)s (10), and reinforces cartridge (11) and pass through fuel communicating pipe
(12) lead to afterbunring chamber (1) outside, the flameholder (13) of an annular, institute are provided with the right side of the afterbunring pipe (11)
Flameholder (13) is stated to be installed in afterbunring chamber (1) by support frame (14).
2. after-burner according to claim 1, it is characterised in that：Described precombustion chamber air duct (5) is from turbine
Group posterior pyramids (4) passes and passes through afterbunring chamber (1) along rectification support plate (6).
3. after-burner according to claim 1, it is characterised in that：Described turbine group (3) by multiple turbines successively
The fixed composition that is connected as a single entity of superposition.
4. after-burner according to claim 1, it is characterised in that：Described flameholder (13) and reinforcing fuel
Manage (11) shape, and the cross section of the flameholder (13) is in V-shape in a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531145.8A CN107461764A (en) | 2017-07-03 | 2017-07-03 | After-burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531145.8A CN107461764A (en) | 2017-07-03 | 2017-07-03 | After-burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461764A true CN107461764A (en) | 2017-12-12 |
Family
ID=60546608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710531145.8A Pending CN107461764A (en) | 2017-07-03 | 2017-07-03 | After-burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461764A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779040A (en) * | 2019-11-06 | 2020-02-11 | 四川航天中天动力装备有限责任公司 | Oil supply device applied to afterburner of small turbojet engine |
| CN110925795A (en) * | 2019-11-06 | 2020-03-27 | 西北工业大学 | Afterburning chamber of doublestage burning |
| CN112197294A (en) * | 2020-09-21 | 2021-01-08 | 中国航发沈阳发动机研究所 | Rectifying plate |
| CN113739143A (en) * | 2021-08-19 | 2021-12-03 | 江苏大学 | Self-adaptive rotational flow premixing burner |
| CN115164230A (en) * | 2022-07-21 | 2022-10-11 | 中国航发沈阳发动机研究所 | Afterburner of aircraft engine |
| CN115200037A (en) * | 2022-07-21 | 2022-10-18 | 中国航发沈阳发动机研究所 | Afterburner of aircraft engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538010A (en) * | 2012-02-12 | 2012-07-04 | 北京航空航天大学 | Afterburner integrated with stabilizer and worm wheel rear rectification support plate |
| CN106438042A (en) * | 2016-10-27 | 2017-02-22 | 成都翼高九天科技有限公司 | Wireless communication unmanned plane-based engine device |
-
2017
- 2017-07-03 CN CN201710531145.8A patent/CN107461764A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538010A (en) * | 2012-02-12 | 2012-07-04 | 北京航空航天大学 | Afterburner integrated with stabilizer and worm wheel rear rectification support plate |
| CN106438042A (en) * | 2016-10-27 | 2017-02-22 | 成都翼高九天科技有限公司 | Wireless communication unmanned plane-based engine device |
Non-Patent Citations (1)
| Title |
|---|
| 不明: "《解释下4代军用发动机的加力特征及部件工作温度》", 《百度贴吧》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779040A (en) * | 2019-11-06 | 2020-02-11 | 四川航天中天动力装备有限责任公司 | Oil supply device applied to afterburner of small turbojet engine |
| CN110925795A (en) * | 2019-11-06 | 2020-03-27 | 西北工业大学 | Afterburning chamber of doublestage burning |
| CN112197294A (en) * | 2020-09-21 | 2021-01-08 | 中国航发沈阳发动机研究所 | Rectifying plate |
| CN112197294B (en) * | 2020-09-21 | 2022-04-01 | 中国航发沈阳发动机研究所 | Rectifying plate |
| CN113739143A (en) * | 2021-08-19 | 2021-12-03 | 江苏大学 | Self-adaptive rotational flow premixing burner |
| CN113739143B (en) * | 2021-08-19 | 2024-04-09 | 江苏大学 | Self-adaptive swirl premix burner |
| CN115164230A (en) * | 2022-07-21 | 2022-10-11 | 中国航发沈阳发动机研究所 | Afterburner of aircraft engine |
| CN115200037A (en) * | 2022-07-21 | 2022-10-18 | 中国航发沈阳发动机研究所 | Afterburner of aircraft engine |
| CN115200037B (en) * | 2022-07-21 | 2023-08-22 | 中国航发沈阳发动机研究所 | Afterburner of aeroengine |
| CN115164230B (en) * | 2022-07-21 | 2024-02-23 | 中国航发沈阳发动机研究所 | Afterburner of aircraft engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171212 |