CN215951098U - Rocket engine test bed medium discharges recovery system - Google Patents
Rocket engine test bed medium discharges recovery system Download PDFInfo
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- CN215951098U CN215951098U CN202121334193.6U CN202121334193U CN215951098U CN 215951098 U CN215951098 U CN 215951098U CN 202121334193 U CN202121334193 U CN 202121334193U CN 215951098 U CN215951098 U CN 215951098U
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Abstract
The utility model provides a medium discharging and recovering system for a rocket engine test bed, which comprises: a media storage tank, a recovery storage tank, and a pressurization device. The medium storage tank is connected with the medium tank car through a filling pipeline and used for providing medium for the medium storage tank. The recycling storage tank is connected to the filling pipeline through a recycling pipeline and is used for recycling media on the filling pipeline. The recovery storage tank is connected with the engine through a liquid discharge pipeline and is used for recovering media of the engine. The recovery storage tank is connected with the supercharging device through a supercharging pipeline and is used for supercharging the recovery storage tank. The recovery storage tank is also provided with an exhaust pipeline for discharging the gas pressure of the recovery storage tank. The system collects the residual medium in the pipeline into the recovery storage tank, and then utilizes the nitrogen pressurization mode to recycle the medium in the recovery storage tank, so that the whole process flow is simple, the use is safe and reliable, the recovery efficiency is high, and the investment cost is low.
Description
Technical Field
The utility model relates to the technical field of rocket engine medium emission and recovery, in particular to a rocket engine test bed medium emission and recovery system.
Background
Liquid oxygen/liquid methane is used as a main industrial raw material and has wide application in the fields of petrochemical industry, metallurgical industry, electronic industry, aerospace and the like. In the industries, cold energy generation equipment and storage equipment are required to be arranged independently for the discharge and recovery of the liquid oxygen/liquid methane, the process flow is complex, the occupied area is large, the investment is large, and the loss of various energies such as electric energy, kinetic energy and the like is large, so that the recovery cost of the liquid oxygen/liquid methane is high, the recovery rate and the recovery value are not high, and the waste of various energy sources is caused to a certain extent in comprehensive consideration. Particularly, in the technical field of aerospace, the technical field of aerospace requires a liquid oxygen/liquid methane discharge recovery system to have high reliability, high recovery efficiency and low investment cost, but at present, the technical field of aerospace requires low liquid oxygen/liquid methane recovery efficiency, complex system operation and high equipment cost, and the problems cause the whole test cost to rise sharply.
Therefore, there is a need for a media discharge and recovery system with simple structure, safety, reliability, high recovery efficiency and low cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a medium discharging and recovering system for a test bed of a rocket engine. The system uses nitrogen to pressurize, extrude and recover the medium, and has the advantages of simple process flow, safe and reliable use, high recovery efficiency and low investment cost. Not only can the environment be effectively protected, but also the safety problems of safe emission, safe management and control and the like of a test field are solved.
The utility model provides a medium discharging and recovering system for a rocket engine test bed, which comprises: the device comprises a medium storage tank, a recovery storage tank and a pressurizing device, wherein the medium storage tank is connected with a medium tank car through a filling pipeline and is used for providing a medium for the medium storage tank; the recovery storage tank is connected to the filling pipeline through a recovery pipeline and is used for recovering the medium on the filling pipeline; the recovery storage tank is connected with the engine through a liquid discharge pipeline and is used for recovering media of the engine; the recovery storage tank is connected with the supercharging device through a supercharging pipeline and is used for supercharging the recovery storage tank.
In an embodiment of the utility model, the system further comprises a pressure-holding-prevention pipeline, wherein one end of the pressure-holding-prevention pipeline is connected to the filling pipeline, and the other end of the pressure-holding-prevention pipeline is connected to the recovery pipeline, and the pressure-holding-prevention pipeline is used for preventing the pipeline pressure holding caused by overlarge pressure of the filling pipeline.
In an embodiment of the utility model, a filling valve and a storage tank filling valve are arranged on the filling pipeline, wherein the filling valve is positioned between a filling port of the filling pipeline and the recovery pipeline connecting port and is used for controlling medium filling; the tank fill valve is positioned between the recovery line interface and the media tank for controlling the flow of media into and out of the media tank.
In an embodiment of the utility model, the recovery tank is provided with a vent line for pneumatic venting of the recovery tank.
In an embodiment of the present invention, a recovery valve is disposed on the recovery pipeline, and the recovery valve is located between the filling pipeline interface and the anti-choke pressure pipeline interface, and is configured to control medium recovery.
In an embodiment of the utility model, a pressure-holding-preventing valve and a one-way valve are arranged on the pressure-holding-preventing pipeline, wherein the pressure-holding-preventing valve is used for controlling air pressure discharge on the filling pipeline; the one-way valve is used for preventing water vapor in the recovery pipeline from entering the filling pipeline when the pressure-holding prevention valve is opened.
In an embodiment of the utility model, a drain valve is arranged on the drain pipeline and used for controlling the opening and closing of the drain pipeline; one end of the pressurizing pipeline is connected to the pressurizing device, the other end of the pressurizing pipeline is connected to the liquid discharge pipeline between the liquid discharge valve and the recovery storage tank, and the pressurizing pipeline is provided with a pressurizing valve for controlling the pipeline to be opened and closed.
In the embodiment of the utility model, the exhaust pipeline is provided with an exhaust valve for controlling the gas discharge in the recovery storage tank.
In an embodiment of the utility model, a liquid level meter and a pressure gauge are arranged on the recovery storage tank, wherein the liquid level meter is used for detecting the liquid level height of a medium in the recovery storage tank; the pressure gauge is used for detecting the pressure in the recovery storage tank.
In an embodiment of the utility model, the media storage tank comprises: the low-pressure storage tank is connected with the filling pipeline and is used for storing a low-pressure medium used in a rocket engine test; and the high-pressure storage tank is connected with the filling pipeline and is used for storing a high-pressure medium used in a rocket engine test.
According to the above embodiments, the rocket engine test bed medium discharge recovery system provided by the embodiment of the utility model has the following benefits: the medium in the system is liquid oxygen/liquid methane, and the system can realize effective recycling of the liquid oxygen/liquid methane which is not gasified after heat exchange and precooling are carried out on a test pipeline and an engine in the ignition test process of the liquid rocket engine. The system also uses nitrogen gas to carry out pressurization extrusion recovery, and the method has the advantages of simple process flow, stable and safe operation, high response speed, high recovery rate and low investment cost. In addition, the rapid recovery of liquid oxygen/methane is also achieved by increasing the size of the pipeline.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a structural diagram of a rocket engine test bed medium discharge and recovery system provided by the utility model.
Description of reference numerals:
1-medium storage tank, 2-recovery storage tank, 3-engine, 4-supercharging device, 5-medium tank car, 6-filling pipeline, 7-recovery pipeline, 8-liquid discharge pipeline, 9-supercharging pipeline, 10-exhaust pipeline, 11-pressure-holding-prevention pipeline, 12-filling valve, 13-storage tank filling valve, 14-filling filter, 15-recovery valve, 16-pressure-holding-prevention valve, 17-one-way valve, 18-liquid discharge valve, 19-supercharging valve, 20-exhaust valve, 21-liquid level meter, 22-pressure meter, 23-low pressure storage tank and 24-high pressure storage tank.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the utility model, the detailed description should not be construed as limiting the utility model but as a more detailed description of certain aspects, features and embodiments of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
The utility model provides a medium discharging and recovering system for a rocket engine test bed, and a connecting structure diagram of the system is shown in figure 1. In a particular embodiment, the system comprises: a medium storage tank 1, a recovery storage tank 2 and a pressurizing device 4. The medium storage tank 1 is connected with a medium tank wagon 5 through a filling pipeline 6 and is used for providing medium for the medium storage tank 1. In the present invention, the medium stored in the medium tank 1 is liquid oxygen/liquid methane, which is used in the liquid rocket engine test. In a specific embodiment of this embodiment, the media storage tank 1 includes: a low pressure tank 23 and a high pressure tank 24. Wherein, the low-pressure storage tank 23 is connected with the filling pipeline 6, and the low-pressure storage tank 23 is used for storing low-pressure medium used in rocket engine tests. The high-pressure storage tank 24 is connected with the filling pipeline 6, and the high-pressure storage tank 24 is used for storing high-pressure medium used in rocket engine tests.
The recovery tank 2 is connected to the filling line 6 via a recovery line 7 for recovering the medium on the filling line 6. The recovery tank 2 is connected to the engine 3 through a drain line 8, and is used for recovering the medium from the engine 3. Before the ignition test of the engine 3, the unvaporized liquid oxygen/liquid methane after the test pipeline and the engine 3 are subjected to heat exchange and precooling needs to be discharged into the recovery storage tank 2 through the liquid discharge pipeline 8.
The recovery storage tank 2 is connected with the supercharging device 4 through a supercharging pipeline 9, and the supercharging device 4 is used for supercharging the recovery storage tank 2. In this embodiment, the pressurizing device 4 is a nitrogen pressurizing device, and nitrogen is inert in chemical property and suitable for pressurizing gas.
The recovery storage tank 2 is also provided with an exhaust pipeline 10, and the exhaust pipeline 10 is used for discharging gas when the gas pressure of the recovery storage tank 2 is too high, so that the recovery storage tank 2 is prevented from being damaged.
In addition, the system is also provided with a pressure-holding-prevention pipeline 11, one end of the pressure-holding-prevention pipeline 11 is connected to the filling pipeline 6, and the other end of the pressure-holding-prevention pipeline 11 is connected to the recovery pipeline 7, and the pressure of the filling pipeline 6 is prevented from being too high, so that the pressure of the filling pipeline 6 is reduced or transferred to the recovery storage tank 2.
In the present embodiment, the filling line 6 is provided with a filling valve 12 and a tank filling valve 13. Wherein the filling valve 12 is positioned between the filling port of the filling pipeline 6 and the connecting port of the recovery pipeline 7, and the filling valve 12 is used for controlling the filling of the medium from the medium tank wagon 5 to the medium storage tank 1.
A tank filling valve 13 is located between the interface of the recovery line 7 and the media tank 1 for controlling the flow of media into and out of the media tank 1. Specifically, the medium storage tank 1 includes a low-pressure storage tank 23 and a high-pressure storage tank 24, and two branches of the filling line 6 are respectively communicated with the low-pressure storage tank 23 and the high-pressure storage tank 24. The storage tank filling valve 13 arranged on a branch connected with the low-pressure storage tank 23 is a low-pressure filling valve and is used for controlling medium filling of the low-pressure storage tank 23; the tank filling valve 13 provided in the branch connecting the high-pressure tank 24 is a high-pressure filling valve for controlling the filling of the medium into the high-pressure tank 24.
In the embodiment of the present invention, the filling line 6 is provided with a filling filter 14, and the filling filter 14 is located between the medium filling valve 13 and the interface of the recovery line 7, and is used for filtering the filled medium and preventing impurities from entering the medium storage tank 1.
The recovery pipeline 7 is provided with a recovery valve 15, and the recovery valve 15 is positioned between the interface of the filling pipeline 6 and the interface of the anti-blocking pressure pipeline 11 and is used for controlling the medium to enter the recovery storage tank 2.
Be provided with pressure-holding prevention valve 16 and check valve 17 on the pressure-holding prevention pipeline 11, wherein, pressure-holding prevention valve 16 is used for controlling the atmospheric pressure on the filling pipeline 6 and discharges, prevents that the inside atmospheric pressure of filling pipeline 6 is too big to cause the damage of filling pipeline to avoid the filling pipeline to lead to the unable circulation of medium because inside gas pressure increases.
The check valve 17 is used to prevent water vapor in the recovery line 7 from entering the filling line 6 when the pressure-holding prevention valve 16 is opened.
The drainage pipe 8 is provided with a drainage valve 18 for controlling the opening and closing of the drainage pipe 8.
One end of the pressurizing pipeline 9 is connected to the pressurizing device 4, the other end is connected to the liquid discharge pipeline 8 between the liquid discharge valve 18 and the recovery storage tank 2 or the other end is directly connected to the recovery storage tank 2, and the pressurizing pipeline 9 is provided with a pressurizing valve 19 for controlling the opening and closing of the pressurizing pipeline 9.
The exhaust pipeline 10 is provided with an exhaust valve 20, and the exhaust valve 20 is used for controlling the exhaust of the gas in the recovery storage tank 2, so as to avoid the damage of the recovery storage tank 2 caused by the overlarge internal pressure of the recovery storage tank 2. Further, the recovery tank 2 is provided with a liquid level gauge 21 and a pressure gauge 22. The level meter 21 is used for detecting the level of the medium in the recovery tank 2. The pressure gauge 22 is used for detecting the pressure inside the recovery tank 2.
In the embodiment of the utility model, the valves of the filling valve 12, the storage tank filling valve 13, the recovery valve 15, the anti-blocking valve 16, the drain valve 18, the pressure increasing valve 19 and the exhaust valve 20 can be manually switched on and off on site to deal with emergency situations. Meanwhile, remote electric or pneumatic remote control opening and closing can be realized, and the safety of system operation is improved.
In embodiments of the present invention, rapid liquid oxygen/methane recovery is also achieved by increasing the size of the individual lines.
In this embodiment, when the system is used, the medium to be filled is liquid oxygen/liquid methane.
Before the liquid rocket engine is subjected to an ignition test, the test pipeline and the engine need to be subjected to heat exchange precooling, and liquid oxygen/liquid methane which is not gasified after the heat exchange precooling needs to be discharged into the recovery storage tank 2. Specifically, the filling valve 12, the low-pressure filling valve, the high-pressure filling valve, the recovery valve 15, the anti-blocking valve 16, the pressure increasing valve 19, and the exhaust valve 20 are all closed. After the engine 3 of the liquid rocket is subjected to heat exchange and precooling, the liquid discharge valve 18 is opened, the discharged liquid oxygen/liquid methane is discharged into the recovery storage tank 2 through the liquid discharge pipeline 8, the liquid which just enters the recovery storage tank 2 can generate gasified gas through heat exchange, and the exhaust valve 20 is opened to discharge the gasified gas into the atmosphere through the exhaust pipeline 10.
When the liquid oxygen/liquid methane in the recovery tank 2 is to be pumped back to the low pressure tank 23 or the high pressure tank 24. The filling valve 12, the recovery valve 15, the anti-blocking valve 16, the drain valve 18 and the exhaust valve 20 are all closed, and then the low-pressure filling valve or the high-pressure filling valve is opened, namely the filling pipeline 6 is connected with the storage tank filling valve 13 on the branch of the low-pressure storage tank 23 or the high-pressure storage tank 24. The pressurizing device 4 supplies nitrogen gas under pressure, and the pressurizing valve 19 is opened so that the pressurizing device 4 pressurizes the recovery tank 2. After the pressure gauge 22 on the recovery storage tank 2 displays the pressurization to the preset pressure, the recovery valve 15 is opened to extrude the liquid oxygen/liquid methane in the recovery storage tank 2 to be recovered to the low-pressure storage tank 23 or the high-pressure storage tank 24 through the recovery pipeline 7 and the filling pipeline 6, and the liquid oxygen/liquid methane is used as a medium for the ignition test run of the engine for recovery.
When the liquid oxygen/liquid methane in the recovery tank 2 is to be compressed and recovered to the media tank car 5 by pressurization. The charging valve 12, the low-pressure charging valve, the high-pressure charging valve, the anti-blocking valve 16, the drain valve 18, and the exhaust valve 20 are all closed, and the recovery valve 15 is opened. The pressure increasing means 4 then provides nitrogen at a pressure and the pressure increasing valve 19 is opened so that the pressure increasing means 4 increases the pressure in the recovery tank 2. After the pressure gauge 22 on the recovery storage tank 2 displays the pressurization to the preset pressure, the filling valve 12 is opened to extrude and recover the liquid oxygen/liquid methane in the recovery storage tank 2 into the medium tank wagon 5 through the recovery pipeline 7 and the filling pipeline 6.
And after the liquid oxygen/liquid methane is extruded and recovered in a pressurization mode. When the level gauge 21 of the recovery tank 2 indicates a low level, the fill valve 12, the low pressure fill valve, the high pressure fill valve, the recovery valve 15, the drain valve 18, and the pressurization valve 19 are closed. The exhaust valve 20 is opened to prevent the tank from being held back pressure after the residual liquid in the recovery tank 2 is gasified. And opening the pressure-blocking prevention valve 16 to prevent the pipeline pressure-blocking caused by the gasification of the liquid remained in the filling pipeline 6, discharging the gasified gas into the recovery storage tank 2 through the pressure-blocking prevention pipeline 11, and discharging the gasified gas into the atmosphere through the exhaust pipeline 10.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. A rocket engine test bed media discharge recovery system, comprising: a medium storage tank (1), a recovery storage tank (2) and a pressure boosting device (4), wherein,
the medium storage tank (1) is connected with a medium tank car (5) through a filling pipeline (6) and is used for providing a medium for the medium storage tank (1);
the recovery storage tank (2) is connected to the filling pipeline (6) through a recovery pipeline (7) and is used for recovering the medium on the filling pipeline (6); the recovery storage tank (2) is connected with the engine (3) through a drainage pipeline (8) and is used for recovering media of the engine (3);
the recovery storage tank (2) is connected with the pressurizing device (4) through a pressurizing pipeline (9) and is used for pressurizing the recovery storage tank (2).
2. The rocket engine test bed medium discharging and recovering system according to claim 1, wherein the system further comprises a pressure-holding-prevention pipeline (11), one end of the pressure-holding-prevention pipeline (11) is connected to the filling pipeline (6), and the other end of the pressure-holding-prevention pipeline is connected to the recovering pipeline (7) for preventing the pipeline pressure holding caused by the overlarge pressure of the filling pipeline (6).
3. Rocket engine test bed medium draining recovery system according to claim 1, characterized in that said filling line (6) has a filling valve (12) and a tank filling valve (13) thereon, wherein,
the filling valve (12) is positioned between a filling port of the filling pipeline (6) and a connecting port of the recovery pipeline (7) and is used for controlling medium filling;
the storage tank filling valve (13) is positioned between the interface of the recovery pipeline (7) and the medium storage tank (1) and is used for controlling the medium to flow into and flow out of the medium storage tank (1).
4. A rocket engine test bed media venting recovery system as claimed in claim 1, wherein an exhaust line (10) is provided on said recovery tank (2) for air pressure venting of said recovery tank (2).
5. The rocket engine test bed medium discharging and recovering system according to claim 2, wherein a recovering valve (15) is arranged on the recovering pipeline (7), and the recovering valve (15) is located between the filling pipeline (6) interface and the pressure-holding-prevention pipeline (11) interface and used for controlling medium recovery.
6. The rocket engine test bed medium discharging and recycling system according to claim 2, wherein the pressure-holding-proof pipeline (11) is provided with a pressure-holding-proof valve (16) and a one-way valve (17), wherein,
the anti-blocking valve (16) is used for controlling air pressure discharge on the filling pipeline (6);
the check valve (17) is used for preventing water vapor in the recovery pipeline (7) from entering the filling pipeline (6) when the pressure-holding-proof valve (16) is opened.
7. The rocket engine test bed medium discharging and recovering system according to claim 1, wherein a drain valve (18) is arranged on the drainage pipeline (8) for controlling the opening and closing of the drainage pipeline (8);
one end of the pressurizing pipeline (9) is connected to the pressurizing device (4), the other end of the pressurizing pipeline is connected to the liquid discharge pipeline (8) between the liquid discharge valve (18) and the recovery storage tank (2), and the pressurizing pipeline (9) is provided with a pressurizing valve (19) for controlling the opening and closing of the pipeline.
8. A rocket engine test bed media venting recovery system as claimed in claim 1, characterized in that the exhaust line (10) is provided with an exhaust valve (20) for controlling the gas venting in the recovery tank (2).
9. Rocket engine test bed media discharge recovery system according to claim 1, characterized in that said recovery tank (2) is provided with a level gauge (21) and a pressure gauge (22), wherein,
the liquid level meter (21) is used for detecting the liquid level height of the medium in the recovery storage tank (2);
the pressure gauge (22) is used for detecting the pressure in the recovery storage tank (2).
10. A rocket engine test bed media discharge recovery system according to claim 1, characterized in that said media storage tank (1) comprises: a low-pressure tank (23) and a high-pressure tank (24), wherein,
the low-pressure storage tank (23) is connected with the filling pipeline (6) and is used for storing a low-pressure medium used in a rocket engine test;
the high-pressure storage tank (24) is connected with the filling pipeline (6) and is used for storing high-pressure medium used in rocket engine tests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334193.6U CN215951098U (en) | 2021-06-16 | 2021-06-16 | Rocket engine test bed medium discharges recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121334193.6U CN215951098U (en) | 2021-06-16 | 2021-06-16 | Rocket engine test bed medium discharges recovery system |
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| Publication Number | Publication Date |
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| CN215951098U true CN215951098U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121334193.6U Active CN215951098U (en) | 2021-06-16 | 2021-06-16 | Rocket engine test bed medium discharges recovery system |
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| CN (1) | CN215951098U (en) |
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2021
- 2021-06-16 CN CN202121334193.6U patent/CN215951098U/en active Active
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