CN207470303U - For the exhaust treatment system of high temperature and pressure big flow gas discharge - Google Patents
For the exhaust treatment system of high temperature and pressure big flow gas discharge Download PDFInfo
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- CN207470303U CN207470303U CN201721319166.5U CN201721319166U CN207470303U CN 207470303 U CN207470303 U CN 207470303U CN 201721319166 U CN201721319166 U CN 201721319166U CN 207470303 U CN207470303 U CN 207470303U
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- discharge
- big flow
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Abstract
The utility model provides a kind of exhaust treatment system for the discharge of high temperature and pressure big flow gas, including exhaust gas inlet pipe, exhaust manifold road, open cell type sparge pipe and high-pressure hydraulic pump, wherein, the exhaust gas inlet pipe is connected to the entrance in the exhaust manifold road, the outlet in the exhaust manifold road is arranged in sound damping tower, one end of the open cell type sparge pipe is connected to the high-pressure hydraulic pump, the other end passes through the exhaust manifold road and in endcapped, and the part that the open cell type sparge pipe is located in the exhaust manifold road is equipped with hole for water spraying.
Description
Technical field
The utility model is related to a kind of exhaust treatment systems for the discharge of high temperature and pressure big flow gas, it is especially useful in
The simulation aero-engine bleed of ground experiment room carries out environmental control system function and performance test verification test, by what is generated in the process
High temperature and pressure big flow gas carries out decrease temperature and pressure noise reduction, makes that discharge gas meets environmental impact assessment and peace comments requirement.
Background technology
In flight, environmental control system need to work normally aircraft from engine bleed for the gas such as air-conditioning, anti-icing unit.And
Engine high pressure bleed temperature about changes, while engine is pushed away in the range of 100~600 DEG C with the thrust variation of engine
The variation of power also causes bleed ports pressure and changes in the range of 0.1~4Mpa, also and then constantly changes along with bleed flow.Cause
This, when carrying out environmental control system experiment in ground experiment room, testing stand needs that the high temperature and pressure of aero-engine bleed generation can be simulated
Gas, maximum gas supply flow can reach 20000kg/h (a certain corresponding parameter of aircraft type experiment).
It, may the conduct before testpieces is not entered according to the high temperature and high pressure gas that the difference of test objective, testing stand generate
Preparing gas or residual air need to discharge in time, it is also possible into testpieces by being discharged after its decrease temperature and pressure.But in addition in subjects
Outside the correlation test of the packet containing refrigeration, all there may be the emissions requirements of high temperature and pressure exhaust gas during other experiments.
If the high-temperature gas that testing stand generates cannot adequately cool down and be expelled directly out, will to ground experiment room personnel,
Equipment and surrounding enviroment bring huge security risk；The discharge of high-pressure high-flow gas can also bring serious noise dirty
Dye, does not meet GB12345-2008《Industrial Enterprise Factory Boundary ambient noise discharge standard》Requirement, cause laboratory's project cannot
Pass through Environmental Impact Assessment.Therefore, it is necessary to the high temperature and high pressure gas generated to testing stand discharges after handling, by process
The high temperature and pressure big flow gas of middle generation carries out decrease temperature and pressure noise reduction, makes the exhaust gas that discharge gas meets environmental impact assessment and peace comments requirement
Processing system.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of for high temperature and pressure big flow
The exhaust treatment system of gas discharge, the system simulate the high temperature and pressure big flow generated during aero-engine bleed to testing stand
Gas cooled down, is depressured and noise reduction process, it is made to meet environment and security requirement.
Specifically, the exhaust treatment system according to the present utility model for the discharge of high temperature and pressure big flow gas includes useless
Gas inlet tube, exhaust manifold road, open cell type sparge pipe and high-pressure hydraulic pump, wherein, the exhaust gas inlet pipe is connected to the exhaust
The entrance of main pipeline, the outlet in the exhaust manifold road are arranged in sound damping tower, and one end of the open cell type sparge pipe is connected to
High-pressure hydraulic pump, the other end pass through the exhaust manifold road and in endcappeds, and the open cell type sparge pipe, which is located at the exhaust, to be led
Part in pipeline is equipped with hole for water spraying.
Wherein, the exhaust gas inlet pipe includes exhaust pipe and tube coupling, and one end of the exhaust pipe has exhaust port, separately
One end is connected to the entrance in the exhaust manifold road by the tube coupling.
Wherein, the outlet in the exhaust manifold road is equipped with trepanning diffuser.
Wherein, at least 2 times of actual internal area for the exhaust pipe of the actual internal area of the tube coupling.
Wherein, the exhaust gas inlet pipe includes the multiple exhaust pipes for being connected to the tube coupling, the flow area of the tube coupling
Product becomes larger along airflow direction, and the minimum actual internal area of the tube coupling is first exhaust pipe for being connected to the tube coupling
At least 2 times of actual internal area.
Wherein, the angle of the open cell type sparge pipe and horizontal plane where the exhaust manifold road is 30~60 °.
Wherein, the angle of the open cell type sparge pipe and horizontal plane where the exhaust manifold road is 45 °.
Wherein, the open cell type sparge pipe is connected to the high-pressure hydraulic pump by metal bellows.
Wherein, the open cell type sparge pipe is made of stainless steel tube.
Wherein, the exhaust manifold road includes more pipelines, is connected between adjacent pipeline by conduit fittings.
Wherein, the trepanning diffuser is tubulose, and one end opening is connected to the exhaust manifold road, near the other end
Multiple gas vents equipped with disposed at equal distance and in endcapped.
Wherein, multiple mufflers are equipped in the sound damping tower.
Exhaust treatment system according to the present utility model has technical effect that：
1. trepanning carries out spray cooling and solves the problems, such as that nozzle type selecting is difficult under high-temperature condition directly on stainless steel tube,
And simple in structure, frequency of maintenance is low；
2. a wheel decompression, such noise reduction are first carried out before adding the form of sound damping tower that can realize noise reduction using trepanning diffuser
Effect can be more preferable；
3. can realize cooling, the noise reduction of exhaust gas simultaneously using the exhaust treatment system of the utility model, do not need to be independent
Cool down noise reduction, and disclosure satisfy that the exhaust emission requirements of various flows, substantially reduces equipment investment.
Description of the drawings
The other feature of the utility model and advantage are by the preferred embodiment by being described in detail below in conjunction with attached drawing
It more fully understands, wherein：
Fig. 1 shows the structure diagram of exhaust treatment system according to the present utility model.
Fig. 2 shows the structure diagrams of the open cell type sparge pipe of exhaust treatment system according to the present utility model.
Fig. 3 shows the scheme of installation of the open cell type sparge pipe of exhaust treatment system according to the present utility model.
Specific embodiment
It, will be with reference to forming the appended attached of the utility model part in the specific descriptions of following preferred embodiment
Figure.The specific embodiment that can realize the utility model has been illustrated by way of example in appended attached drawing.Exemplary implementation
Example is not intended to limit all embodiments according to the present utility model.It is appreciated that without departing from the scope of the utility model
Under the premise of, other embodiments can be utilized, structural or logicality modification can also be carried out.
As shown in fig. 1, it shows at the exhaust gas according to the present utility model for the discharge of high temperature and pressure big flow gas
Reason system.The exhaust treatment system includes exhaust gas inlet pipe, exhaust manifold road 3, open cell type sparge pipe 4 and high-pressure hydraulic pump 5.Its
In, exhaust gas inlet pipe includes exhaust pipe 1 and tube coupling 2, and one end of exhaust pipe 1 has the exhaust pipe for being connected to testing stand air exit
Interface 11, for exhaust treatment system to be connected with testing stand air exit, the other end is connected to exhaust manifold road by tube coupling 2
3 entrance, the outlet in exhaust manifold road 3 are arranged in sound damping tower 7.One end of open cell type sparge pipe 4 is connected to high-pressure hydraulic pump 5,
The other end passes through exhaust manifold road 3 and in endcapped, and the part that open cell type sparge pipe 4 is located in exhaust manifold road 3 is equipped with spray
Water hole 41.Preferably, the outlet in exhaust manifold road 3 is equipped with trepanning diffuser 6.
In the embodiment in figure 1, exhaust treatment system includes 1 exhaust pipe 1, and the wherein actual internal area of tube coupling 2 is row
At least 2 times of the actual internal area of tracheae 1.In another preferred embodiment, exhaust treatment system includes being connected to the more of tube coupling 2
A exhaust pipe 1, multiple exhaust pipes 1 can have same size, it is possible to have different size, first connect with tube coupling 2
Exhaust pipe is as supervisor, and other exhaust pipes are as time pipe.The actual internal area of tube coupling 2 becomes larger along airflow direction, tube coupling 2
Minimum actual internal area be at least 2 times of the actual internal area being responsible for for first exhaust pipe 1.Here, the circulation of pipeline is cut
Area is actually the inner circle sectional area of pipeline.
As shown in Figure 2, open cell type sparge pipe 4 is directly processed into using the stainless steel tube of tolerable high temperature, open cell type
The number of openings and size can be determined according to water spray on sparge pipe 4.As shown in figure 3, for convenience sparge pipe and high-pressure hydraulic pump
Connection, angle with horizontal plane is 30~60 ° when sparge pipe is installed in pipeline, preferably 45 °, then passes through metal bellows 42
It is connect with the water pipe of high-pressure hydraulic pump 5, this open cell type sparge pipe is simple in structure, it is low with frequency of maintenance to safeguard.
Preferably, trepanning diffuser 6 is tubulose, and one end opening is connected to exhaust manifold road 3, and the other end is nearby equipped with
Multiple gas vents 61 of disposed at equal distance and in endcapped.Trepanning diffuser 6 is located in sound damping tower 7, is equipped in sound damping tower 7 more
A muffler.Trepanning diffuser 6 is by the local resistance of aperture, the effect of reaching reducing pressure by regulating flow, simultaneously because increased exhaust
Area plays noise reduction effect；The major function of sound damping tower 7 is to eliminate exhaust noise.
Preferably, exhaust manifold road 3 includes more pipelines, is connected between adjacent pipeline by conduit fittings 8.Tube coupling 2
It can be designed and optimize according to the position of exhaust port with conduit fittings 8.
Each exhaust port of pilot system is accessed by exhaust port 11 in entire exhaust treatment system first, by
Enter the gas of exhaust treatment system in the official post of pilot system exhaust pipe and the sectional area of exhaust treatment system exhaust pipe, that is, tube coupling 2
Body is depressured for the first time；In 3 entrance of exhaust manifold road that exhaust gas summarizes, high-pressure hydraulic pump 5 passes through liquid water on open cell type sparge pipe 4
Array hole for water spraying 41 be sprayed into high temperature and high pressure gas, liquid water vapor heat absorption gas is cooled down；In exhaust manifold road 3
Gas is carried out second directly communicating with ambient atmosphere after being depressured by end by trepanning diffuser 6；Utilize what is communicated with air
Sound damping tower 7 carries out noise elimination processing to exhaust gas.
Exhaust treatment system according to the present utility model has technical effect that：
1. trepanning carries out spray cooling and solves the problems, such as that nozzle type selecting is difficult under high-temperature condition directly on stainless steel tube,
And simple in structure, frequency of maintenance is low；
2. a wheel decompression, such noise reduction are first carried out before adding the form of sound damping tower that can realize noise reduction using trepanning diffuser
Effect can be more preferable；
3. can realize cooling, the noise reduction of exhaust gas simultaneously using the exhaust treatment system of the utility model, do not need to be independent
Cool down noise reduction, and disclosure satisfy that the exhaust emission requirements of various flows, substantially reduces equipment investment.
The technology contents and technical characterstic of specific embodiment of the utility model are had revealed that above, it being understood, however, that
Under the creative ideas of the utility model, those skilled in the art can not show to various features disclosed above and clearly herein
The combination of the feature gone out makes various changes and improves, but belongs to the scope of protection of the utility model.The description of above-described embodiment
It is exemplary and not restrictive, the scope of protection of the utility model is determined by claim.
Claims (12)
1. it is a kind of for high temperature and pressure big flow gas discharge exhaust treatment system, which is characterized in that including exhaust gas inlet pipe,
Exhaust manifold road (3), open cell type sparge pipe (4) and high-pressure hydraulic pump (5), wherein, the exhaust gas inlet pipe is connected to the exhaust
The entrance of main pipeline (3), the outlet of the exhaust manifold road (3) are arranged in sound damping tower (7), the open cell type sparge pipe (4)
One end be connected to the high-pressure hydraulic pump (5), the other end passes through the exhaust manifold road (3) and in endcapped, the trepanning
Part of the type sparge pipe (4) in the exhaust manifold road (3) is equipped with hole for water spraying (41).
2. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The exhaust gas inlet pipe includes exhaust pipe (1) and tube coupling (2), and one end of the exhaust pipe (1) has exhaust port (11), separately
One end is connected to the entrance of the exhaust manifold road (3) by the tube coupling (2).
3. the exhaust treatment system according to claim 1 or 2 for the discharge of high temperature and pressure big flow gas, feature exists
In the outlet of the exhaust manifold road (3) is equipped with trepanning diffuser (6).
4. the exhaust treatment system according to claim 2 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The actual internal area of the tube coupling (2) is at least 2 times of the actual internal area of the exhaust pipe (1).
5. the exhaust treatment system according to claim 2 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The exhaust gas inlet pipe includes the multiple exhaust pipes (1) for being connected to the tube coupling (2), the actual internal area edge of the tube coupling (2)
It airflow direction to become larger, the minimum actual internal area of the tube coupling (2) is first exhaust for being connected to the tube coupling (2)
Manage the actual internal area of (1) at least 2 times.
6. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The open cell type sparge pipe (4) and the angle of horizontal plane where the exhaust manifold road (3) are 30~60 °.
7. the exhaust treatment system according to claim 6 for the discharge of high temperature and pressure big flow gas, the open cell type
Sparge pipe (4) and the angle of horizontal plane where the exhaust manifold road (3) are 45 °.
8. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The open cell type sparge pipe (4) is connected to the high-pressure hydraulic pump (5) by metal bellows (42).
9. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, which is characterized in that
The open cell type sparge pipe (4) is made of stainless steel tube.
10. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, feature exists
In the exhaust manifold road (3) includes more pipelines, is connected between adjacent pipeline by conduit fittings (8).
11. the exhaust treatment system according to claim 3 for the discharge of high temperature and pressure big flow gas, feature exists
In the trepanning diffuser (6) is tubulose, and one end opening is connected to the exhaust manifold road (3), and the other end is nearby equipped with
Multiple gas vents (61) of disposed at equal distance and in endcapped.
12. the exhaust treatment system according to claim 1 for the discharge of high temperature and pressure big flow gas, feature exists
In equipped with multiple mufflers in the sound damping tower (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319166.5U CN207470303U (en) | 2017-10-12 | 2017-10-12 | For the exhaust treatment system of high temperature and pressure big flow gas discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721319166.5U CN207470303U (en) | 2017-10-12 | 2017-10-12 | For the exhaust treatment system of high temperature and pressure big flow gas discharge |
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| Publication Number | Publication Date |
|---|---|
| CN207470303U true CN207470303U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721319166.5U Active CN207470303U (en) | 2017-10-12 | 2017-10-12 | For the exhaust treatment system of high temperature and pressure big flow gas discharge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572812A (en) * | 2020-05-19 | 2020-08-25 | 中国飞机强度研究所 | Device and method for tail gas drainage and discharge of aircraft APU (auxiliary Power Unit) in laboratory |
-
2017
- 2017-10-12 CN CN201721319166.5U patent/CN207470303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572812A (en) * | 2020-05-19 | 2020-08-25 | 中国飞机强度研究所 | Device and method for tail gas drainage and discharge of aircraft APU (auxiliary Power Unit) in laboratory |
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