CN207556310U - A kind of high-temperature exhaust air central water spray cooling device - Google Patents
A kind of high-temperature exhaust air central water spray cooling device Download PDFInfo
- Publication number
- CN207556310U CN207556310U CN201721713518.5U CN201721713518U CN207556310U CN 207556310 U CN207556310 U CN 207556310U CN 201721713518 U CN201721713518 U CN 201721713518U CN 207556310 U CN207556310 U CN 207556310U
- Authority
- CN
- China
- Prior art keywords
- exhaust air
- water
- temperature exhaust
- temperature
- cooling device
- 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.)
- Active
Links
Landscapes
- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The utility model provides a kind of high-temperature exhaust air central water spray cooling device, is related to aero-engine high-temperature gas cooling field, including：High-temperature exhaust air collects converging portion (1), diffuser (2), water-spraying control section (3) and water cooling nested structure (6).Emple hole (7), secondary center water ring (4) and the tertiary centre water ring (5) of converging portion (1) are collected using high-temperature exhaust air, three-level water spraying structure realizes regulation and control water spray, and high-temperature fuel gas is dropped to 100 DEG C or so by 1900 DEG C rapidly；Diffuser (2) reduces the flow velocity of high-temperature fuel gas, reduces flow resistance loss；Device outer wall uses water cooling nested structure, has thermal protection effect, and avoiding high temperature, reliability is high, and the cost of material is low to material damage.Repacking, which is put, solves the problems, such as high-temperature fuel gas fast cooling, the discharge of low flow resistance, and the great reference of construction design method of high-temperature exhaust air central water spray cooling device can be applied in the design of aero-engine complete machine test bay and after-burner exerciser.
Description
Technical field
The utility model is related to aero-engine high-temperature gas cooling field, more particularly to a kind of high-temperature exhaust air central water spray
Cooling device.
Background technology
A large amount of high-temperature fuel gas (1900 DEG C of highest) are generated in the test run of aero-engine complete machine and after-burner experiment, are tested
It needs rapidly to cool down high-temperature fuel gas in the process, while requires temperature-fall period flow resistance loss too big during upper low state.
Existing solution is simple spray cooling water cooling, is only capable of controlling to adjust the injected volume of cooling water by pressure, it is impossible to
Ensure spray cooling water always in design conditions, spray cooling penetration by water dynamics is limited when inlet pressure is low, cooling response
Speed is slow, and cooling-down effect is poor；Runner is not optimized simultaneously, causes flow resistance excessive；And cooling device wall surface does not use
Cooling provision, heat sink wall surface temperature is high, needs to select high cost temperature-resistant material, causes certain wasting of resources.
Invention content
The utility model provides a kind of high-temperature exhaust air central water spray cooling device, to solve existing for the existing type of cooling
The problems such as cooling rate is slow, cooling-down effect is poor, heat sink flow resistance is big.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of high-temperature exhaust air central water spray cooling device, including：
High-temperature exhaust air collects converging portion, and high-pressure cooling water is injected in wall surface, and the direct projection of airflow direction is set on internal face
Nozzle；
Diffuser is collected converging portion with the high-temperature exhaust air and is connect；
Water-spraying control section is connect with the diffuser, and the water-spraying control section is equipped with secondary center water ring and three-level
Central water spray ring, wherein,
The secondary center water ring is arranged close to the side of the diffuser, set on the secondary center water ring
Small-bore swirl atomizer, for the cooling of high-temperature fuel gas during small state；
The tertiary centre water ring is mounted remotely from the side of the diffuser, is set on the tertiary centre water ring
Heavy caliber swirl atomizer, for the cooling of high-temperature fuel gas during big state；
Water cooling nested structure, as the outer wall of high-temperature exhaust air central water spray cooling device, for outer wall continued down.
Optionally, the high-temperature exhaust air collection converging portion includes curved section and straightway.
Optionally, the emple hole is arranged on the high-temperature exhaust air and collects on the curved section internal face of converging portion, described
The internal face of curved section uses the molded line of Vito Xin Siji formula manufacture, ensures the transverse-pressure gradient and diameter of the generation of import section
It is gradually reduced to component velocity.
Optionally, the diffuser collects the straightway of converging portion and the water-spraying control section method with the high-temperature exhaust air
Orchid connection.
Optionally, the diffusion angle of the diffuser is 10 °~20 °.
Optionally, three water rings are respectively provided with, and press on the secondary center water ring and the tertiary centre water ring
Wait anchor rings distribution.
The beneficial effects of the utility model：The high-temperature exhaust air central water spray cooling device of the utility model, is sprayed using three-level
Water-bound, emple hole are combined with swirl atomizer, controllable water spray, can high-temperature fuel gas be dropped to 100 by 1900 DEG C rapidly
DEG C or so；Using optimizing structure design, flow resistance loss is small；Device outer wall uses water cooling nested structure, avoids high temperature to material damage,
Reliability is high, and the cost of material is low.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows and meets the utility model
Embodiment, and for explaining the principle of the utility model together with specification.
Fig. 1 is the utility model high-temperature exhaust air central water spray cooling device general illustration；
Fig. 2 is that the high-temperature exhaust air of the utility model high-temperature exhaust air central water spray cooling device collects converging portion structure chart；
Fig. 3 is the secondary center water ring structure chart of the utility model high-temperature exhaust air central water spray cooling device；
Fig. 4 is the tertiary centre water ring structure chart of the utility model high-temperature exhaust air central water spray cooling device；
Fig. 5 is the water cooling nested structure overall schematic of the utility model high-temperature exhaust air central water spray cooling device；
Fig. 6 is the water-cooled jacket inside configuration schematic diagram of the utility model high-temperature exhaust air central water spray cooling device.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.
As shown in Figures 1 to 6, the high-temperature exhaust air central water spray cooling device of the utility model, including：High-temperature exhaust air is collected
Converging portion 1, diffuser 2, water-spraying control section 3 and water cooling nested structure 6.
Specifically, high-temperature exhaust air collects injection high-pressure cooling water in 1 wall surface of converging portion, and air-flow side is set on internal face
To emple hole 7, for high-temperature fuel gas carry out first order cooling.In the present embodiment, preferably high-temperature exhaust air is collected and is restrained
1 point of section is curved section and straightway, and emple hole 7 is arranged on high-temperature exhaust air and collects on the curved section internal face of converging portion 1, favorably
, the internal face of curved section is using the molded line of Vito Xin Siji formula manufacture, the transverse pressure ladder that guarantee import section generates
Degree and radial velocity component are gradually reduced.
Diffuser 2 collects the direct current section flanged joint of converging portion 1 with high-temperature exhaust air, and the diffusion angle of diffuser 2 is generally set
It is 10 °~20 °, the flow velocity of high-temperature fuel gas can be reduced, reduces flow resistance loss.
Further, water-spraying control section 3 and 2 flanged joint of diffuser, water-spraying control section 3 are equipped with secondary center water ring 4
With tertiary centre water ring 5, wherein, secondary center water ring 4 is arranged close to the side of diffuser 2, secondary center water ring 4
The upper small-bore swirl atomizer 8 of setting, for the cooling of high-temperature fuel gas during small state；Tertiary centre water ring 5 is mounted remotely from expansion
The side of section 2 is pressed, heavy caliber swirl atomizer 9 is set on tertiary centre water ring 5, cooperation secondary center water ring 4 works, is used for
The cooling of high-temperature fuel gas during big state.In the present embodiment, preferably on secondary center water ring 4 and tertiary centre water ring 5
Three water rings are set, and by anchor rings distribution is waited, ensure that cooling water is sufficiently mixed with high-temperature fuel gas, reach preferably cooling effect
Fruit.
Further, the outer wall of the high-temperature exhaust air central water spray cooling device of the utility model is set as water cooling nested structure 6, uses
In outer wall continued down, it is made to maintain environment temperature.In the present embodiment, cooling water is set respectively at the both ends of water cooling nested structure 6
Import A and cooling water outlet B, uniformly distributed multiple baffles successively between 6 two sidings of water cooling nested structure, forms from cooling water inlet A
To the water channel of cooling water inlet B, by the continuous injection of cooling water, realize cooling effect, given full play to water cooling advantage, taken away
More heats improve thermal protection effect.
The high-temperature exhaust air central water spray cooling device of the utility model, the direct projection that converging portion 1 is collected using high-temperature exhaust air are sprayed
Mouth 7, secondary center water ring 4 and tertiary centre water ring 5, three-level water spraying structure realizes regulation and control water spray, rapidly by high temperature
Combustion gas drops to 100 DEG C or so by 1900 DEG C；Diffuser 2 reduces the flow velocity of high-temperature fuel gas, reduces flow resistance loss；Device outer wall is adopted
With water cooling nested structure, there is thermal protection effect, avoiding high temperature, reliability is high, and the cost of material is low to material damage.
The perfect aeroengine combustor buring experiment of the high-temperature exhaust air central water spray cooling device structure design of the utility model
Exhaust apparatus designs, and solves the problems, such as high-temperature fuel gas fast cooling, the discharge of low flow resistance；High-temperature exhaust air central water spray cooling device
The great reference of construction design method, can be applied to setting for aero-engine complete machine test bay and after-burner exerciser
In meter.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described
Subject to scope of the claims.
Claims (6)
1. a kind of high-temperature exhaust air central water spray cooling device, which is characterized in that including：
High-temperature exhaust air collects converging portion (1), and high-pressure cooling water is injected in wall surface, and the direct projection spray of airflow direction is set on internal face
Mouth (7)；
Diffuser (2) is collected converging portion (1) with the high-temperature exhaust air and is connect；
Water-spraying control section (3) is connect with the diffuser (2), and the water-spraying control section (3) is equipped with secondary center water ring
(4) and tertiary centre water ring (5), wherein,
The secondary center water ring (4) is arranged close to the side of the diffuser (2), the secondary center water ring (4)
The upper small-bore swirl atomizer (8) of setting, for the cooling of high-temperature fuel gas during small state；
The tertiary centre water ring (5) is mounted remotely from the side of the diffuser (2), the tertiary centre water ring (5)
Upper setting heavy caliber swirl atomizer (9), for the cooling of high-temperature fuel gas during big state；
Water cooling nested structure (6), as the outer wall of high-temperature exhaust air central water spray cooling device, for outer wall continued down.
2. high-temperature exhaust air central water spray cooling device according to claim 1, which is characterized in that the high-temperature exhaust air is collected
Converging portion (1) is including curved section and straightway.
3. high-temperature exhaust air central water spray cooling device according to claim 2, which is characterized in that the emple hole (7)
It is arranged on the high-temperature exhaust air to collect on the curved section internal face of converging portion (1), the internal face of the curved section is pungent using Vito
The molded line of this base formula manufacture, the transverse-pressure gradient and radial velocity component for ensureing the generation of import section are gradually reduced.
4. high-temperature exhaust air central water spray cooling device according to claim 2, which is characterized in that the diffuser (2) with
The high-temperature exhaust air collects the straightway and the water-spraying control section (3) flanged joint of converging portion (1).
5. high-temperature exhaust air central water spray cooling device according to claim 1, which is characterized in that the diffuser (2)
Diffusion angle is 10 °~20 °.
6. high-temperature exhaust air central water spray cooling device according to claim 1, which is characterized in that the secondary center water spray
Three water rings are respectively provided on ring (4) and the tertiary centre water ring (5), and presses and waits anchor rings distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713518.5U CN207556310U (en) | 2017-12-11 | 2017-12-11 | A kind of high-temperature exhaust air central water spray cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713518.5U CN207556310U (en) | 2017-12-11 | 2017-12-11 | A kind of high-temperature exhaust air central water spray cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556310U true CN207556310U (en) | 2018-06-29 |
Family
ID=62666538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721713518.5U Active CN207556310U (en) | 2017-12-11 | 2017-12-11 | A kind of high-temperature exhaust air central water spray cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556310U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752188A (en) * | 2019-01-16 | 2019-05-14 | 中国航发沈阳发动机研究所 | A kind of outlet cooling section for main-chamber ignition performance test |
| CN109752187A (en) * | 2018-12-12 | 2019-05-14 | 西安航天动力试验技术研究所 | Rail control engine vacuum environment high-speed and high-temperature combustion gas rapid pressure cooling system |
| CN110907180A (en) * | 2019-10-17 | 2020-03-24 | 芮锋射频技术(上海)有限公司 | Cooling method for high-temperature jet combustion equipment used for darkroom |
| CN114215657A (en) * | 2021-12-01 | 2022-03-22 | 中国航发沈阳发动机研究所 | Water-cooling center cone of aircraft engine |
| CN115931367A (en) * | 2023-03-02 | 2023-04-07 | 中国航发四川燃气涡轮研究院 | Gas cleaning, cooling and explosion-proof device for high-altitude simulation test |
-
2017
- 2017-12-11 CN CN201721713518.5U patent/CN207556310U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752187A (en) * | 2018-12-12 | 2019-05-14 | 西安航天动力试验技术研究所 | Rail control engine vacuum environment high-speed and high-temperature combustion gas rapid pressure cooling system |
| CN109752187B (en) * | 2018-12-12 | 2020-10-13 | 西安航天动力试验技术研究所 | Attitude and orbit control engine vacuum environment high-speed high-temperature gas rapid pressure-boosting and temperature-reducing system |
| CN109752188A (en) * | 2019-01-16 | 2019-05-14 | 中国航发沈阳发动机研究所 | A kind of outlet cooling section for main-chamber ignition performance test |
| CN110907180A (en) * | 2019-10-17 | 2020-03-24 | 芮锋射频技术(上海)有限公司 | Cooling method for high-temperature jet combustion equipment used for darkroom |
| CN114215657A (en) * | 2021-12-01 | 2022-03-22 | 中国航发沈阳发动机研究所 | Water-cooling center cone of aircraft engine |
| CN114215657B (en) * | 2021-12-01 | 2023-05-05 | 中国航发沈阳发动机研究所 | Water-cooling center cone of aero-engine |
| CN115931367A (en) * | 2023-03-02 | 2023-04-07 | 中国航发四川燃气涡轮研究院 | Gas cleaning, cooling and explosion-proof device for high-altitude simulation test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207556310U (en) | A kind of high-temperature exhaust air central water spray cooling device | |
| US20120247120A1 (en) | Apparatus and method for cooling a combustor | |
| CN105156227A (en) | Pre-cooling air-breathing type variable cycle engine | |
| CN212621466U (en) | Aeroengine combustion chamber test bench test piece installation system | |
| CN103881758B (en) | A kind of narrow passage sprays the gasifying process burner of cooling | |
| CN203364131U (en) | Continuous casting machine baking nozzle capable of simultaneously using high-calorific-value high-pressure fuel and low-calorific-value low-pressure fuel | |
| CN204084460U (en) | A kind of gas-turbine combustion chamber head distribution cooling structure | |
| CN101024859A (en) | Ball-shape top-burning type hot-air furnace with annular-arranged vertical up-spray burner | |
| CN204254677U (en) | A kind of channel-type cooling structure of gas-turbine combustion chamber burner inner liner | |
| CN203704027U (en) | Device for circumferential fluid distribution in annular body | |
| CN106363161B (en) | Efficient ladle baking facilities | |
| CN107165739A (en) | Solid-liquid rocket circular seam type plug nozzle | |
| CN210079253U (en) | Low temperature flue gas SCR deNOx systems | |
| CN201644739U (en) | Casting blank surface water vapor blower for infrared temperature measurement | |
| CN104566550A (en) | Gas dividing device for air blower gas stove | |
| CN202792983U (en) | Portable mobile rotary kiln lining partial roaster | |
| CN202066015U (en) | Thermal storage combustor | |
| CN112082176B (en) | Combustion chamber of miniature turbojet engine | |
| CN102444499B (en) | Exhaust mixing method of refiling pneumatic ribbed jet pipe and device thereof | |
| CN209596902U (en) | A kind of spray ammonia conglomerate integration AIG for Gas Generator Set waste heat boiler | |
| CN103307632B (en) | Method of operating a combustor from a liquid fuel to a gas fuel operation | |
| CN208901438U (en) | A kind of combination disturbing flow device improving precombustion chamber temperature uniformity | |
| CN201864740U (en) | Mixing device for gas pipeline delivery | |
| RU2501956C1 (en) | Bypass gas turbine engine, method of radial gap adjustment in turbine of bypass gas turbine engine | |
| CN206483598U (en) | A kind of chimney flue type urea direct-injection is pyrolyzed the arrangement of nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |