CN217111443U - Liquid oxygen supply system - Google Patents
Liquid oxygen supply system Download PDFInfo
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- CN217111443U CN217111443U CN202220037306.4U CN202220037306U CN217111443U CN 217111443 U CN217111443 U CN 217111443U CN 202220037306 U CN202220037306 U CN 202220037306U CN 217111443 U CN217111443 U CN 217111443U
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- liquid oxygen
- path
- oxygen supply
- nitrogen gas
- pressurizing
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Abstract
A liquid oxygen supply system comprises a nitrogen supply main path, a liquid oxygen filling path, a liquid oxygen supply path, a liquid oxygen adding path and a nitrogen discharging path; the inlet of the nitrogen supply main path is communicated with a nitrogen source; the liquid oxygen filling path, the liquid oxygen adding road and the nitrogen gas discharging path are arranged in parallel, and inlets of the liquid oxygen filling road and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path; the outlet of the liquid oxygen filling path is communicated with the inlet of the liquid oxygen source; the inlet of the liquid oxygen supply path is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the fuel gas generator; the outlet of the liquid oxygen adding road roller is communicated with a liquid oxygen supply path; the nitrogen gas discharge path is communicated with the atmosphere. The utility model discloses a liquid oxygen supply system, liquid oxygen supply system can the opening and closing of accurate control oxygen valve to adopt nitrogen gas pressor mode supply, avoid the oxygen pipeline explosion, compromise security and suitability.
Description
Technical Field
The utility model relates to a test bed test technical field, concretely relates to liquid oxygen supply system.
Background
For a hypersonic aircraft, working states of a local projectile body head cover and an air inlet channel in a flight state need to be simulated during research and development, in a simulation test, heated fuel gas is needed to be used for soaking the projectile body head cover and passing through an inner channel of a chin air inlet channel, indexes such as structural strength of the head cover and the air inlet channel, cabin section sealing and the like are examined, deformation and strength of a projectile body head under various loading conditions are measured, and a basis is provided for material selection and structural design of a model under a pneumatic heating condition.
The liquid oxygen supply system is an important component of the test bed of the gas heater, and the design of the oxygen system is one of key systems of the test bed of the gas heater, and is mainly used for providing oxidant with accurate flow for a test part and an igniter. In addition, the high-pressure pure oxygen has strong oxidizability, if oil or iron filings moving at high speed in the pipeline are encountered, the oxygen pipeline is exploded, and the design of an oxygen system needs to take safety and applicability into consideration.
Disclosure of Invention
The technical solution problem of the utility model is that: overcomes the defects of the prior art and provides a liquid oxygen supply system.
The technical solution of the utility model is that:
a liquid oxygen supply system comprises a nitrogen supply main path, a liquid oxygen filling path, a liquid oxygen supply path, a liquid oxygen adding path and a nitrogen discharging path; the inlet of the nitrogen supply main path is communicated with a nitrogen source; the liquid oxygen filling path, the liquid oxygen adding road and the nitrogen gas discharging path are arranged in parallel, and inlets of the liquid oxygen filling road and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path; the outlet of the liquid oxygen filling path is communicated with the inlet of the liquid oxygen source; the inlet of the liquid oxygen supply path is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the fuel gas generator; the outlet of the liquid oxygen adding road is communicated with the liquid oxygen supply road; the nitrogen gas discharge path is communicated with the atmosphere.
Furthermore, along the flow direction of the nitrogen supplied by the nitrogen source, a liquid oxygen supply system pressure measuring point and a liquid oxygen supply system stop valve are sequentially arranged on the nitrogen supply main road, and a pressure gauge is arranged on the liquid oxygen supply system pressure measuring point.
Furthermore, along the flowing direction of nitrogen supplied by a nitrogen source, a liquid oxygen filling path filter, a liquid oxygen filling path stop valve and a liquid oxygen filling path adjusting valve are sequentially arranged on the liquid oxygen filling path.
Furthermore, a liquid oxygen filling path pressure measuring point is arranged between the liquid oxygen filling path stop valve and the liquid oxygen filling path regulating valve on the liquid oxygen filling path, and a pressure gauge is arranged on the liquid oxygen filling path pressure measuring point.
Further, along the flow direction of the oxygen supplied from the liquid oxygen source, a liquid oxygen supply path filter, a liquid oxygen supply path flowmeter, a liquid oxygen supply path solenoid valve, and a liquid oxygen supply path regulating valve are provided in this order on the liquid oxygen supply path.
Furthermore, a liquid oxygen supply path pressure measuring point is arranged on the liquid oxygen supply path between the liquid oxygen supply path filter and the liquid oxygen supply path flowmeter, and a pressure gauge is arranged on the liquid oxygen supply path pressure measuring point.
Furthermore, along the flow direction of nitrogen supplied by a nitrogen gas source, a liquid oxygen pressurizing road filter, a liquid oxygen pressurizing road first stop valve, a liquid oxygen pressurizing road second stop valve, a liquid oxygen pressurizing road regulating valve and a liquid oxygen pressurizing road one-way valve are sequentially arranged on the liquid oxygen pressurizing road, and the outlet of the liquid oxygen pressurizing road is communicated with the liquid oxygen supplying road behind the liquid oxygen supplying road regulating valve; and a liquid oxygen pressurizing path pressure measuring point is arranged between the first stop valve of the liquid oxygen pressurizing path and the second stop valve of the liquid oxygen pressurizing path, and a pressure gauge is arranged on the liquid oxygen pressurizing path pressure measuring point.
Furthermore, the liquid oxygen supply system comprises a liquid oxygen pressurizing path branch, an inlet of the liquid oxygen pressurizing path branch is communicated with the liquid oxygen pressurizing path between the liquid oxygen pressurizing path pressure measuring point and the second stop valve of the liquid oxygen pressurizing path, an outlet of the liquid oxygen pressurizing path branch is communicated with the liquid oxygen supplying path between the liquid oxygen supplying path pressure measuring point and the liquid oxygen supplying path flowmeter, and a liquid oxygen pressurizing path branch regulating valve and a liquid oxygen pressurizing path branch check valve are sequentially arranged on the liquid oxygen pressurizing path branch along the flow direction of nitrogen supplied by the nitrogen gas source.
Furthermore, the liquid oxygen supply system comprises a liquid oxygen exhaust path, an inlet of the liquid oxygen exhaust path is communicated with the liquid oxygen supply path between the liquid oxygen supply path electromagnetic valve and the liquid oxygen supply path regulating valve, an outlet of the liquid oxygen exhaust path is communicated with the exhaust pool, and the liquid oxygen exhaust path regulating valve and the liquid oxygen exhaust path one-way valve are sequentially arranged on the liquid oxygen exhaust path along the flow direction of oxygen supplied by the liquid oxygen source.
Furthermore, along the flow direction of the nitrogen supplied by the nitrogen source, a nitrogen discharge path filter, a nitrogen discharge path stop valve and a nitrogen discharge path adjusting valve are sequentially arranged on the nitrogen discharge path; and a nitrogen gas discharge path pressure measuring point is arranged between the nitrogen gas discharge path stop valve and the nitrogen gas discharge path regulating valve on the nitrogen gas discharge path, and a pressure gauge is arranged on the nitrogen gas discharge path pressure measuring point.
Compared with the prior art, the utility model the advantage lie in:
1. the utility model discloses a liquid oxygen supply system, liquid oxygen supply system can the opening and closing of accurate control oxygen valve to adopt nitrogen gas pressor mode supply, avoid the oxygen pipeline explosion, compromise security and suitability.
2. The utility model discloses a liquid oxygen supply system, through setting up liquid oxygen supply path filter, nitrogen gas pressurization path filter has improved the purity of liquid oxygen, avoids the condition that grease or the high-speed iron fillings of moving in the pipeline made the oxygen pipeline explosion.
3. The utility model discloses a liquid oxygen supply system, through the monitoring that sets up relevant valve and manometer, can in time effectively monitor the relevant parameter to whole system of supporting, and then improve the precision of whole system of supporting, simultaneously, also avoided the condition of oxygen pipeline explosion.
4. The utility model discloses a liquid oxygen supply system places the gas circuit through establishing, when the pressure of liquid oxygen supply circuit pressure measurement station monitoring is greater than the predetermined value, can release nitrogen gas through the way of exitting, avoids the liquid oxygen storage tank to explode.
Drawings
Fig. 1 is a schematic diagram of the liquid oxygen supply principle of the gas heater test bed applied to the liquid oxygen supply system of the present invention.
Fig. 2 is a schematic view of the liquid oxygen supply system of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a liquid oxygen supply system 500 for supplying liquid oxygen to a gas generator 100 of a gas heater test stand, which includes a test section 1, the gas generator 100, an exhaust section 200, an exhaust line 300, a muffler tower and an igniter 400;
the test section 1 is provided with a workpiece to be tested, the gas generator 100 is communicated with the inlet of the test section 1, the exhaust section 200 is communicated with the outlet of the test section 1, and the igniter 400 is arranged in the gas generator 100; the outlet of the exhaust section 200 is communicated with the sound-deadening tower through an exhaust pipeline 300; a source of nitrogen gas and a source of liquid oxygen are in communication with the gas generator 100 via a liquid oxygen supply system 500.
The liquid oxygen supply system 500 comprises a nitrogen gas supply main path, a liquid oxygen filling path 520, a liquid oxygen supply path 530, a liquid oxygen adding path 540 and a nitrogen gas discharging path 560; the inlet of the nitrogen supply main path is communicated with the nitrogen source; the liquid oxygen filling path 520, the liquid oxygen adding path 540 and the nitrogen gas discharging path 560 are arranged in parallel, and inlets of the liquid oxygen filling path, the liquid oxygen adding path and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path; the outlet of the liquid oxygen filling path 520 is communicated with the inlet of the liquid oxygen source; the inlet of the liquid oxygen supply path 530 is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the gas generator 100; the outlet of the liquid oxygen adding passage 540 is communicated with the liquid oxygen supply passage 530; the nitrogen gas release path 560 is communicated with the atmosphere.
Preferably, along the flow direction of the nitrogen gas supplied by the nitrogen gas source 50, a liquid oxygen supply system pressure measuring point 570 and a liquid oxygen supply system stop valve 510 are sequentially arranged on the nitrogen gas supply main, and a pressure gauge is arranged on the liquid oxygen supply system pressure measuring point 570.
Preferably, a liquid oxygen filling path filter 521, a liquid oxygen filling path stop valve 522 and a liquid oxygen filling path regulating valve 523 are sequentially disposed on the liquid oxygen filling path 520 along the flow direction of the nitrogen gas supplied from the nitrogen gas source 50.
Preferably, a liquid oxygen filling path pressure measuring point 524 is arranged between the liquid oxygen filling path stop valve 522 and the liquid oxygen filling path regulating valve 523 on the liquid oxygen filling path 520, and a pressure gauge is arranged on the liquid oxygen filling path pressure measuring point 524.
Preferably, a liquid oxygen supply line filter 531, a liquid oxygen supply line flow meter 532, a liquid oxygen supply line solenoid valve 533, and a liquid oxygen supply line regulating valve 534 are provided in this order on the liquid oxygen supply line 530 in the flow direction of the oxygen gas supplied from the liquid oxygen source.
Preferably, a liquid oxygen supply path pressure measuring point 535 is provided between the liquid oxygen supply path filter 531 and the liquid oxygen supply path flowmeter 532 on the liquid oxygen supply path 530, and a pressure gauge is provided on the liquid oxygen supply path pressure measuring point 535.
Preferably, along the flow direction of the nitrogen gas supplied by the nitrogen gas source, a liquid oxygen pressurizing path filter 541, a liquid oxygen pressurizing path first stop valve 542, a liquid oxygen pressurizing path second stop valve 543, a liquid oxygen pressurizing path regulating valve 544 and a liquid oxygen pressurizing path check valve 545 are sequentially arranged on the liquid oxygen pressurizing path 540, and the outlet of the liquid oxygen pressurizing path 540 is communicated with the liquid oxygen supplying path 530 behind the liquid oxygen supplying path regulating valve 534;
on the liquid oxygen pressurizing road 540, a liquid oxygen pressurizing road pressure measuring point 546 is arranged between the first stop valve 542 and the second stop valve 543, and a pressure gauge is arranged on the liquid oxygen pressurizing road pressure measuring point 546.
Preferably, the liquid oxygen supply system comprises a liquid oxygen pressurizing path branch 547, an inlet of the liquid oxygen pressurizing path branch 547 is communicated with the liquid oxygen pressurizing path 540 between the liquid oxygen pressurizing path pressure measuring point 546 and the second stop valve 543 of the liquid oxygen pressurizing path, an outlet of the liquid oxygen pressurizing path branch 547 is communicated with the liquid oxygen supplying path 530 between the liquid oxygen supplying path pressure measuring point 535 and the liquid oxygen supplying path flowmeter 532, and a liquid oxygen pressurizing path branch regulating valve 548 and a liquid oxygen pressurizing path branch check valve 549 are sequentially arranged on the liquid oxygen pressurizing path branch 547 along the flow direction of the nitrogen gas supplied by the nitrogen gas source 50.
Preferably, the liquid oxygen supply system includes a liquid oxygen exhaust channel 550, an inlet of the liquid oxygen exhaust channel 550 is communicated with the liquid oxygen supply channel 530 between the liquid oxygen supply channel solenoid valve 533 and the liquid oxygen supply channel regulating valve 534, an outlet is communicated with an exhaust pool 553, and a liquid oxygen exhaust channel regulating valve 551 and a liquid oxygen exhaust channel check valve 552 are sequentially disposed on the liquid oxygen exhaust channel 550 along a flow direction of the liquid oxygen source 60 supplying the oxygen.
Preferably, along the flow direction of the nitrogen supplied by the nitrogen source, the nitrogen gas release path 560 is sequentially provided with a nitrogen gas release path filter 561, a nitrogen gas release path stop valve 562 and a nitrogen gas release path regulating valve 563; and a nitrogen gas discharge path pressure measuring point 564 is arranged on the nitrogen gas discharge path 560 between the nitrogen gas discharge path stop valve 562 and the nitrogen gas discharge path regulating valve 563, and a pressure gauge is arranged on the nitrogen gas discharge path pressure measuring point 564.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A liquid oxygen supply system is characterized by comprising a nitrogen supply main path, a liquid oxygen filling path, a liquid oxygen supply path, a liquid oxygen adding path and a nitrogen gas discharging path;
the inlet of the nitrogen supply main path is communicated with a nitrogen source;
the liquid oxygen filling path, the liquid oxygen adding road and the nitrogen gas discharging path are arranged in parallel, and inlets of the liquid oxygen filling road and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path;
the outlet of the liquid oxygen filling path is communicated with the inlet of the liquid oxygen source;
the inlet of the liquid oxygen supply path is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the fuel gas generator;
the outlet of the liquid oxygen adding road roller is communicated with a liquid oxygen supply path;
the nitrogen gas discharge path is communicated with the atmosphere.
2. The liquid oxygen supply system according to claim 1, characterized in that: along the flow direction of nitrogen supplied by a nitrogen source, a liquid oxygen supply system pressure measuring point and a liquid oxygen supply system stop valve are sequentially arranged on a nitrogen supply main road, and a pressure gauge is arranged on the liquid oxygen supply system pressure measuring point.
3. The liquid oxygen supply system according to claim 2, characterized in that: along the flowing direction of nitrogen supplied by a nitrogen source, a liquid oxygen filling path filter, a liquid oxygen filling path stop valve and a liquid oxygen filling path regulating valve are sequentially arranged on the liquid oxygen filling path.
4. The liquid oxygen supply system according to claim 3, characterized in that: and a liquid oxygen filling path pressure measuring point is arranged between the liquid oxygen filling path stop valve and the liquid oxygen filling path regulating valve on the liquid oxygen filling path, and a pressure gauge is arranged on the liquid oxygen filling path pressure measuring point.
5. The liquid oxygen supply system according to claim 1, wherein: along the flow direction of the oxygen supplied by the liquid oxygen source, a liquid oxygen supply path filter, a liquid oxygen supply path flowmeter, a liquid oxygen supply path electromagnetic valve and a liquid oxygen supply path regulating valve are arranged on the liquid oxygen supply path in sequence.
6. The liquid oxygen supply system according to claim 5, characterized in that: and a liquid oxygen supply path pressure measuring point is arranged on the liquid oxygen supply path between the liquid oxygen supply path filter and the liquid oxygen supply path flowmeter, and a pressure gauge is arranged on the liquid oxygen supply path pressure measuring point.
7. The liquid oxygen supply system according to claim 5, characterized in that: along the flow direction of nitrogen supplied by a nitrogen gas source, a liquid oxygen pressurizing road filter, a liquid oxygen pressurizing road first stop valve, a liquid oxygen pressurizing road second stop valve, a liquid oxygen pressurizing road regulating valve and a liquid oxygen pressurizing road one-way valve are sequentially arranged on a liquid oxygen pressurizing road, and the outlet of the liquid oxygen pressurizing road is communicated with a liquid oxygen supplying road behind the liquid oxygen supplying road regulating valve;
and a liquid oxygen pressurizing path pressure measuring point is arranged between the first stop valve of the liquid oxygen pressurizing path and the second stop valve of the liquid oxygen pressurizing path, and a pressure gauge is arranged on the liquid oxygen pressurizing path pressure measuring point.
8. The liquid oxygen supply system according to claim 7, characterized in that: the liquid oxygen supply system comprises a liquid oxygen pressurizing path branch, an inlet of the liquid oxygen pressurizing path branch is communicated with a liquid oxygen pressurizing path between a liquid oxygen pressurizing path pressure measuring point and a second stop valve of the liquid oxygen pressurizing path, an outlet of the liquid oxygen pressurizing path branch is communicated with a liquid oxygen supply path between a liquid oxygen supply path pressure measuring point and a liquid oxygen supply path flowmeter, and a liquid oxygen pressurizing path branch regulating valve and a liquid oxygen pressurizing path branch check valve are sequentially arranged on the liquid oxygen pressurizing path branch along the flow direction of nitrogen gas supplied by a nitrogen gas source.
9. The liquid oxygen supply system according to claim 5, characterized in that: the liquid oxygen supply system comprises a liquid oxygen exhaust path, an inlet of the liquid oxygen exhaust path is communicated with the liquid oxygen supply path between the liquid oxygen supply path electromagnetic valve and the liquid oxygen supply path regulating valve, an outlet of the liquid oxygen exhaust path is communicated with the exhaust pool, and the liquid oxygen exhaust path regulating valve and the liquid oxygen exhaust path one-way valve are sequentially arranged on the liquid oxygen exhaust path along the flow direction of oxygen supplied by the liquid oxygen source.
10. The liquid oxygen supply system according to claim 1, characterized in that: along the flow direction of nitrogen supplied by a nitrogen source, a nitrogen gas discharge path filter, a nitrogen gas discharge path stop valve and a nitrogen gas discharge path regulating valve are sequentially arranged on a nitrogen gas discharge path;
and a nitrogen gas discharge path pressure measuring point is arranged between the nitrogen gas discharge path stop valve and the nitrogen gas discharge path regulating valve on the nitrogen gas discharge path, and a pressure gauge is arranged on the nitrogen gas discharge path pressure measuring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220037306.4U CN217111443U (en) | 2022-01-08 | 2022-01-08 | Liquid oxygen supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220037306.4U CN217111443U (en) | 2022-01-08 | 2022-01-08 | Liquid oxygen supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111443U true CN217111443U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220037306.4U Active CN217111443U (en) | 2022-01-08 | 2022-01-08 | Liquid oxygen supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111443U (en) |
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2022
- 2022-01-08 CN CN202220037306.4U patent/CN217111443U/en active Active
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