CN101539486A - Gas pressure control adjusting device - Google Patents
Gas pressure control adjusting device Download PDFInfo
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- CN101539486A CN101539486A CN200910083032A CN200910083032A CN101539486A CN 101539486 A CN101539486 A CN 101539486A CN 200910083032 A CN200910083032 A CN 200910083032A CN 200910083032 A CN200910083032 A CN 200910083032A CN 101539486 A CN101539486 A CN 101539486A
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Abstract
The invention discloses a gas pressure control adjusting device which is divided into two parts of a main pipeline pressure adjusting device and a sub-pipeline pressure adjusting device according to component function. The main pipeline pressure adjusting device plays an important role of controlling and adjusting the pressure of pipeline gas entering the device; and the sub-pipeline has three external pipeline joints that are respectively controlled by three hand valves. The sub-pipeline can finish three operations simultaneously by the three pipelines. The pressure inside the pipelines can be released by a reducer gas release hand valve. The invention can control simultaneous work of multiple pipelines and satisfy the multifunctional requirement for gas pipelines in the liquid propellant supplying device, thereby reducing the complexity of the device, and greatly simplifying the operation of the gas pipelines.
Description
Technical field
The invention belongs to the electric propulsion engine field, be specifically related to the bleed pressure regulating and controlling device in the electric propulsion engine tests such as arc heated engine, magnetoplasmodynamics engine, ion engine.
Background technology
Electric propulsion engine have than leap high, life-span length, repeated starting, control accuracy advantages of higher, in tasks such as spacecraft rail control, survey of deep space, interplanetary flight, have broad prospect of application.The electric propulsion The Application of Technology will effectively increase useful load, reduction launch cost, the raising spacecraft overall technology level of spacecraft.Therefore, by ground experiment electric propulsion engine is studied and extensively carried out.
The electric propulsion engine kind is numerous, and the working flow of the electric propulsion engine of dissimilar, different capacity has very big-difference again; And, the flow of liquid propellant is generally all very little in the electric propulsion test, therefore the supply of liquid propellant generally adopts the gas extruding to supply with, in test, the traffic requirement of propellant is adjustable, thereby obtain the electric propulsion experimental result under the multiple condition of work, this just requires the accurately real-time regulating and controlling of air pressure of gas squash type propellant feed.
Summary of the invention
The object of the present invention is to provide a kind of gas pressure control adjusting device.The requirement of, adjustable in pressure many according to gas piping function in the liquid propellant supplying device in the electric propulsion test, invented gas pressure control adjusting device, the gas that this device can be finished entering test unit filters, and prevents from liquid propellant is polluted; Working simultaneously in control multitube road, satisfies the multi-functional requirement of gas piping in the liquid propellant supplying device; Realize gas piping pressure Adjustable real-time, force value is monitored in real time; Executive component is integrated, reduced the device complicacy, the operation of gas piping is simplified greatly.Gas pressure control adjusting device of the present invention adopts stainless-steel tube to connect each building block and external lug, and takes encapsulation process, prevents leakage.
A kind of gas pressure control adjusting device of the present invention comprises main line pressure adjustment assembly and sub-line pressure regulating device;
Pressure of pipeline gas in the main line pressure adjustment assembly regulating and controlling access to plant comprises high pure nitrogen gas cylinder, manually-operated gate, discharge, tensimeter, filtrator, decompressor gas-discharge hand valve and stainless-steel tube.
The high pure nitrogen bottle is for providing high-pressure air source, and purity is 99.99%.Gas cylinder valve control gases at high pressure source, gas cylinder valve is carried by the high pure nitrogen bottle.High pure nitrogen pressure in the cylinder pressure gauge monitoring gas cylinder when high pure nitrogen pressure is less than 5MPa in the gas cylinder, should be changed the high pure nitrogen bottle.Use metal hose to connect between gas cylinder valve and the discharge, make the scope of gas cylinder in certain scope, to move.Discharge makes that the supply of gases at high pressure is steady.
Sub-pipeline mainly comprises discharge, manually-operated gate, stainless-steel tube, decompressor valve, decompressor gas-discharge hand valve and exterior line joint;
Open the air inlet manually-operated gate of described main line pressure adjustment assembly, high pure nitrogen enters in the discharge, opens the decompressor valve, and gas enters by filtrator in the discharge of sub-pipeline, and gaseous tension is by the decompressor valve regulation, and force value is monitored by tensimeter.
Sub-pipeline mainly comprises discharge, manually-operated gate, stainless-steel tube and exterior line joint.High pure nitrogen at first enters in the discharge, and the effect of discharge is to make gases at high pressure steady.Have three road exterior line joints in the sub-pipeline, respectively by three manually-operated gate controls.By this three-way connection (pipe) road, sub-pipeline can be finished three operations simultaneously.Air pressure in the pipeline can release by decompressor gas-discharge hand valve.
Waste gas in the device is collected in unification in one discharge, and unified then being disposed in the outside neutralizing tower prevents contaminated environment.
The invention has the advantages that: gas pressure control adjusting device of the present invention is by special method and design, make the pressure Adjustable real-time in the pipeline, force value is monitored in real time, thereby can make the liquid propellant stability of flow, be convenient to measure, and executive component is integrated, reduced the device complicacy, the operation of gas piping is simplified greatly.The present invention can control the multitube road and work simultaneously, satisfies the multi-functional requirement of gas piping in the liquid propellant supplying device.Specifically can reduce:
1, gas pressure control adjusting device can be realized the accurately real-time regulating and controlling of gaseous tension in the pipeline by control of decompressor valve and manometric observation;
2, sub-pipeline has multichannel external pipeline joint, can work independently, and also can work simultaneously on the multitube road;
3, can finish multi-mode operation simultaneously in the electric propulsion test, reduce the device complicacy, the operation of gas piping is simplified greatly.
Description of drawings
Fig. 1 is the structure principle chart of a kind of gas pressure control adjusting device of the present invention.
Among the figure:
1. high pure nitrogen bottle 2. discharge A 3. discharge B
4. discharge C 5. gas cylinder manually-operated gates 6. cylinder pressure gauges
7. decompressor valve 8. gas-discharge hand valve A 9. manually-operated gate A
10. manually-operated gate B 11. manually-operated gate C 12. manually-operated gate D
13. decompressor gas-discharge hand valve 14. gas-discharge hand valve B 15. source of the gas summary table P1
16. tensimeter A 17. tensimeter B 18. tensimeter C
19. tensimeter D 20. filtrator A 21. filter B
22. exterior line joint
Embodiment
A kind of gas pressure control adjusting device of the present invention can be divided into main line pressure adjustment assembly and sub-line pressure regulating device two parts by the components and parts function.
Pressure of pipeline gas in the main line pressure adjustment assembly regulating and controlling access to plant comprises high pure nitrogen gas cylinder, manually-operated gate, discharge, tensimeter, filtrator, decompressor gas-discharge hand valve and stainless-steel tube;
Sub-pipeline mainly comprises discharge, manually-operated gate, stainless-steel tube, decompressor valve, decompressor gas-discharge hand valve and exterior line joint;
Connecting line all adopts the stainless-steel tube of Ф 6 * 1mm in the device, and the decompressor valve all adopts Y5706F-99/001 decompressor valve, and intake pressure is 3～23MPa, and top hole pressure is 0.2～2MPa, and flow is 0.033kg/s---0.11kg/s.The manually-operated gate interface is standard DN4,37 ° of joints and is connected with the bulb joint of respective line.Filtrator adopts gas filter, and nominal pressure is PN≤23MPa; Inside nominal diameter is DN6; Filtering accuracy is 25 μ m; Actuating medium is a noncorrosive gases; Valve body material is 2Cr13.
As shown in Figure 1, pressure of pipeline gas in the main line pressure adjustment assembly regulating and controlling access to plant comprises high pure nitrogen gas cylinder 1, gas cylinder manually-operated gate 5, discharge A2, cylinder pressure gauge 6, filtrator A20, decompressor gas-discharge hand valve A8, manually-operated gate A9 and the connecting line that is connected each components and parts.
High pure nitrogen bottle 1 is for device provides gases at high pressure, and by gas cylinder manually-operated gate 5 control gases at high pressure sources, gas cylinder manually-operated gate 5 is carried by the high pure nitrogen bottle.High pure nitrogen pressure in the cylinder pressure gauge 6 monitoring gas cylinders.Open manually-operated gate A9, high pure nitrogen enters among the discharge A2, and filtrator A20 filters the gas that enters, and assurance enters the degree of purity of the gas of pipeline, avoids impurity to enter pipeline, causes line clogging.Pressure among the discharge A2 can be monitored by source of the gas summary table 15.The air pressure of discharge A2 can release by venting valve A8 in the main line.
Sub-pipeline mainly comprises discharge B3, discharge C4, decompressor valve 7, filter B 21, manually-operated gate B10, manually-operated gate C11, manually-operated gate D12, decompressor gas-discharge hand valve 13, gas-discharge hand valve B14, tensimeter A16, tensimeter B17, tensimeter C18, tensimeter D19 and exterior line joint 22 and the connecting line that is connected each components and parts.
7 controls of decompressor valve enter the pressure of gas among the discharge B3, and force value is monitored by tensimeter B17.21 pairs of gases that enter of filter B filter, and assurance enters the degree of purity of the gas of pipeline, avoids impurity to enter pipeline, causes line clogging.After air pressure among the discharge B3 reaches required value, can pass through the output of manually-operated gate B10, manually-operated gate C11, manually-operated gate D12 pilot-gas, finish different functions, and monitor force value in each pipeline by tensimeter A16, tensimeter C18 and tensimeter D19.Exterior line joint 22 can be connected with exterior line, and gas is entered in the external device (ED) pipeline.But by the pressure among the decompressor gas-discharge hand valve 13 venting discharge B3.
Waste gas in the device is collected in unification among the one discharge C4, and unified then being disposed in the outside neutralizing tower prevents contaminated environment, by gas-discharge hand valve B14 control operation.
At N
2H
4On the arc heated block testing stand, by the present invention, operating personnel can monitor and regulate the air pressure in the pipeline in real time, finish the operations in the test.Propellant tank is that Ф 8 * 2mm is connected with the pipeline reducing of Ф 2 * 0.25mm with the feeding pipe junction in the test unit, and propellant flow rate can not have excessive fluctuation.In the process of the test, can be good at gaseous tension in the regulating and controlling pipeline by this device, it is constant to make that the gaseous tension that is used for the tank supercharging, supplies with propellant remains, and obtains good effect.
Claims (5)
1, a kind of gas pressure control adjusting device is characterized in that, this device is divided into main line pressure adjustment assembly and sub-line pressure regulating device two parts,
Wherein, pressure of pipeline gas in the main line pressure adjustment assembly regulating and controlling access to plant comprises high pure nitrogen gas cylinder (1), gas cylinder manually-operated gate (5), discharge A (2), cylinder pressure gauge (6), filtrator A (20), decompressor gas-discharge hand valve A (8), manually-operated gate A (9) and the connecting line that is connected each components and parts; High pure nitrogen bottle (1) provides gases at high pressure for device, by gas cylinder manually-operated gate (5) control gases at high pressure source, gas cylinder manually-operated gate (5) is carried by the high pure nitrogen bottle, high pure nitrogen pressure in cylinder pressure gauge (6) the monitoring gas cylinder, open manually-operated gate A (9), high pure nitrogen enters among the discharge A (2), filtrator A (20) filters the gas that enters, pressure among the discharge A (2) is monitored by source of the gas summary table (15), and the Pneumatic pipe cleaner of discharge A (2) is crossed venting valve A (8) and released in the main line; Have three road exterior line joints in the sub-line pressure regulating device, can finish three operations simultaneously in view of the above, sub-pipeline comprises discharge B (3), discharge C (4), decompressor valve (7), filter B (21), manually-operated gate B (10), manually-operated gate C (11), manually-operated gate D (12), decompressor gas-discharge hand valve (13), gas-discharge hand valve B (14), tensimeter A (16), tensimeter B (17), tensimeter C (18), tensimeter D (19) and exterior line joint 22 and the connecting line that is connected each components and parts
Decompressor valve (7) control enters the pressure of gas among the discharge B (3), force value is monitored by tensimeter B (17), filter B (21) is filtered the gas that enters, after air pressure among the discharge B (3) reaches required value, by manually-operated gate B (10), manually-operated gate C (11), the output of manually-operated gate D (12) pilot-gas, finish different functions, and by tensimeter A (16), tensimeter C (18) and tensimeter D (19) monitor the force value in each pipeline, exterior line joint (22) is connected with exterior line, gas is entered in the external device (ED) pipeline, by the pressure among decompressor gas-discharge hand valve (13) the venting discharge B (3)
Waste gas unification in the device is collected among the discharge C (4), and unified being disposed in the outside neutralizing tower is by gas-discharge hand valve B (14) control operation.
2, a kind of gas pressure control adjusting device according to claim 1 is characterized in that, the connecting line of described each components and parts of connection all adopts stainless-steel tube.
3, a kind of gas pressure control adjusting device according to claim 1 is characterized in that, described decompressor valve intake pressure is 3～23MPa, and top hole pressure is 0.2～2MPa, and flow is 0.033kg/s～0.11kg/s.
4, a kind of gas pressure control adjusting device according to claim 1 is characterized in that, described manually-operated gate interface is standard DN4,37 ° of joints and adopts bulb to be connected with respective line.
5, a kind of gas pressure control adjusting device according to claim 1 is characterized in that, described filtrator adopts gas filter, and nominal pressure is PN≤23MPa, and inside nominal diameter is DN6, and filtering accuracy is 25 μ m; Actuating medium is a noncorrosive gases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100830321A CN101539486B (en) | 2009-04-24 | 2009-04-24 | Gas pressure control adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100830321A CN101539486B (en) | 2009-04-24 | 2009-04-24 | Gas pressure control adjusting device |
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| CN101539486A true CN101539486A (en) | 2009-09-23 |
| CN101539486B CN101539486B (en) | 2010-09-08 |
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| CN2009100830321A Expired - Fee Related CN101539486B (en) | 2009-04-24 | 2009-04-24 | Gas pressure control adjusting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980772A (en) * | 2012-11-20 | 2013-03-20 | 凯迈(洛阳)机电有限公司 | Pressure-maintaining fluid-infusion device of cooling fluid thermostatic device |
| CN105649907A (en) * | 2016-01-29 | 2016-06-08 | 兰州空间技术物理研究所 | Micro flow air feeding purity control method for propellers |
| CN105723080A (en) * | 2013-06-07 | 2016-06-29 | 航天喷气发动机洛克达因股份有限公司 | Stored pressure driven cycle |
| CN106768802A (en) * | 2016-12-05 | 2017-05-31 | 中国航天空气动力技术研究院 | A kind of high-purity special gas charging device and methods for filling for shock tunnel |
| CN114981635A (en) * | 2020-02-28 | 2022-08-30 | 海瑞克股份公司 | Device for detecting the content of a critical gas in a cavity and tunnel boring machine having such a device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901525A (en) * | 1988-03-09 | 1990-02-20 | Acurex Corporation | Booster-sustainer rocket engine and method |
| CN101280887B (en) * | 2007-06-06 | 2012-01-11 | 中国人民解放军总后勤部军需装备研究所 | Pipe gas pressure stabilizing regulation system |
-
2009
- 2009-04-24 CN CN2009100830321A patent/CN101539486B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980772A (en) * | 2012-11-20 | 2013-03-20 | 凯迈(洛阳)机电有限公司 | Pressure-maintaining fluid-infusion device of cooling fluid thermostatic device |
| CN102980772B (en) * | 2012-11-20 | 2015-06-17 | 凯迈(洛阳)机电有限公司 | Pressure-maintaining fluid-infusion device of cooling fluid thermostatic device |
| CN105723080A (en) * | 2013-06-07 | 2016-06-29 | 航天喷气发动机洛克达因股份有限公司 | Stored pressure driven cycle |
| CN105723080B (en) * | 2013-06-07 | 2018-07-03 | 航天喷气发动机洛克达因股份有限公司 | The cycle of storage pressure driving |
| CN105649907A (en) * | 2016-01-29 | 2016-06-08 | 兰州空间技术物理研究所 | Micro flow air feeding purity control method for propellers |
| CN105649907B (en) * | 2016-01-29 | 2018-04-10 | 兰州空间技术物理研究所 | A kind of tiny flow quantity for propeller supplies Pureness control method |
| CN106768802A (en) * | 2016-12-05 | 2017-05-31 | 中国航天空气动力技术研究院 | A kind of high-purity special gas charging device and methods for filling for shock tunnel |
| CN106768802B (en) * | 2016-12-05 | 2018-10-09 | 中国航天空气动力技术研究院 | A kind of high-purity special gas charging device and methods for filling for shock tunnel |
| CN114981635A (en) * | 2020-02-28 | 2022-08-30 | 海瑞克股份公司 | Device for detecting the content of a critical gas in a cavity and tunnel boring machine having such a device |
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| CN101539486B (en) | 2010-09-08 |
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Granted publication date: 20100908 Termination date: 20110424 |