CN101865167B - Double effect device being capable of gas boosting, transferring and recycling - Google Patents
Double effect device being capable of gas boosting, transferring and recycling Download PDFInfo
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- CN101865167B CN101865167B CN 201010195993 CN201010195993A CN101865167B CN 101865167 B CN101865167 B CN 101865167B CN 201010195993 CN201010195993 CN 201010195993 CN 201010195993 A CN201010195993 A CN 201010195993A CN 101865167 B CN101865167 B CN 101865167B
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Abstract
The invention relates to a double effect device being capable of gas boosting, transferring and recycling, which belongs to the technical field of fluid machinery. The device comprises a source gas cylinder, a target gas cylinder, a compressed gas cylinder, a sleeve, a flat plate, a sealing gland, a regulating lever, a displacement restrictor, a refrigerator and a vacuum equipment, wherein the compressed gas cylinder is positioned in the sleeve, and both ends of the compressed gas cylinder are sealed; one end of the compressed gas cylinder is fixed with the bottom of the sleeve, and the other end is connected with the flat plate; the flat plate is movably arranged in the sleeve; the sealing gland is fixed on the top of the sleeve; the bottom end of the regulating lever is fixed on the flat plate; the top end of the regulating lever is sleeved on the sealing gland, and the top ends o the the regulating lever and the sealing gland are respectively provided with the displacement restrictors; the refrigerator is respectively connected with the target gas cylinder and the sleeve; and the vacuum equipment, the compressed gas cylinder, the source gas cylinder and the target gas cylinder are communicated with each other through ducts. On the basis of the thermodynamic properties of compressible gases, the invention realizes the double effect being capable of boosting, transferring and recycling for a small amount of special gases by the means of the background art combining cryogenic engineering and deformable metal structure.
Description
Technical field
What the present invention relates to is a kind of device of fluid machinery technical field, the double effect device that in particular a kind of gas boosting and transfer reclaimed.
Background technique
Often need to study or require the physical behavio(u)r characteristic of a small amount of special gas own in scientific experiment and the commercial Application and turn round under the specified pressure condition with the apparatus of certain gas as working medium.In view of reasons such as the preciousness of this class gas, non-renewable, high-cleanness, high requirement, toxicity, corrosivity and environmental pollutions, must utilize a kind of rational mechanism to realize supercharging and the recovery of gas, reach simultaneously cascade utilization and the purpose of Reusability repeatedly.Can be very extensive for the technology and equipment of supercharging on the market, yet they otherwise easily gaseous sample or working medium are caused to a certain degree pollution (such as oil lubricating compressor), must compress a large amount of gases just meaningful (such as air compressor) thereby inner chamber scavenging volume is huge, give vent to anger with air inlet pressure than too small (such as diaphragm pump), can't satisfy in a word the technical characteristics requirement of high-cleanness, high, corpusculum accumulated amount and high pressure ratio.
Find through the retrieval to prior art, publication number is that the Chinese patent " gas pressurized device " of CN101566175 is though a kind of gas boosting that relates to can be realized high pressure output, but this device is realized supercharging by hydraulic-pressure pump compression grease chamber, oil-way system must satisfy the present invention to the cleaning gas requirement, therefore generally is applied in the less demanding industrial high-pressure air feed.Publication number is that the Chinese patent " gas booster " of CN201149008 is mainly used on the punch press pneumatic control path, can realize boosting of 0.7MPa to 2MPa, step-up ratio is limited, and its content cavity volume is larger, is not suitable for the less precious rare gas of amount of gas.In addition, each scheme does not all relate to the gas transfer and reclaims function in the past.Literature survey shows for the ultra-high pressure clean type helium pressurization system of laser nuclear fusion ICF cryogenic target and the cold helium pressurization system etc. that is used for No. three first types of Long March rocket, but this type systematic engineering is huge, expensive, not in application involved in the present invention.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the double effect device that provides a kind of gas boosting and transfer to reclaim, thermodynamic property based on compressibility gas, the background technique that combines take two technology of cryogenic engineering and deformable metal structure is as means, realizes that the supercharging of a small amount of specific gas and transfer reclaim double effect device.
The present invention is achieved by the following technical solutions, the present invention includes: the source of the gas gas cylinder, the target gas cylinder, compressed gas cylinder, sleeve, dull and stereotyped, capping, adjustable lever, snubber, refrigerator and vacuum equipment, wherein: compressed gas cylinder is positioned at sleeve and sealed at both ends, one end of compressed gas cylinder is fixedly connected with the bottom of sleeve, the other end links to each other with dull and stereotyped, dull and stereotyped activity is located in the sleeve, capping is fixed at the top of sleeve, the bottom of adjustable lever is fixed on the flat board, be respectively equipped with snubber on adjustable lever top and capping socket and the top, refrigerator links to each other with sleeve with the target gas cylinder respectively, vacuum equipment, compressed gas cylinder, source of the gas gas cylinder and target gas cylinder are interconnected by pipeline and the valve that is arranged on the pipeline.
Described pipeline is that internal diameter is less than the stainless-steel pipe of 0.2mm.
Described compressed gas cylinder is compressibility greater than 50% high pressure resistant low temperature resistant metal bellows, and its diameter is 20-50mm.Consider simultaneously compressive strength and ductility, wall thickness is 0.15mm.Maximum withstand voltage 15MPa, operating temperature is-269 ℃ one+30 ℃, compressed gas cylinder acts on the dull and stereotyped volume compression that realizes by adjustable lever.
The volume of described target gas cylinder is 1/10th of source of the gas gas cylinder volume.
Be respectively equipped with cooling unit and heater on described target gas cylinder and the sleeve, the outside is provided with thermal insulating warm-keeping layer.
Described refrigerator comprises: low-temperature receiver, switch and thermal conductive belt, and wherein: switch connects respectively low-temperature receiver and thermal conductive belt, and thermal conductive belt is coated on respectively the inside of sleeve and target gas cylinder.
Described cooling unit is for being twined the thermal conductive belt of making by red copper.
Described heater comprises: power supply and electrical heating wire, wherein: power supply links to each other with electrical heating wire, and electrical heating wire is located at outside the thermal conductive belt.
Described electrical heating wire outside is provided with heat insulation layer, and thermal conductive belt is exposed to extraneous part and all is provided with heat insulation layer so that more effective transmission low-temperature receiver.
When the present invention is used for supercharging, at first open all valves, utilize vacuum equipment that each gas cylinder is vacuumized, by regulating the position of adjustable lever top snubber, driving flat board by mechanical force moves down, then flat board compresses compressed gas cylinder, and the length reduction of compressed gas cylinder is its initial length one half, fixedly snubber; By can realize the effect of pressure multiplier to the compression of compressed gas cylinder, larger compressed capability dependence is carried out the thermomechanics supercharging to gas and is realized; Behind the compressed gas cylinder that is communicated with pressure multiplier and the target gas cylinder that vacuumizes, gas moves to the target gas cylinder, evenly distributes in compressed gas cylinder and target gas cylinder after reaching pressure balance; Utilize refrigerator to the cooling of target gas cylinder, behind the drop in temperature, the gas density in the target gas cylinder will increase, because the constancy of volume of target gas cylinder and compressed gas cylinder, gas moves to the target gas cylinder; If cryogenic temperature is lower than the critical temperature of gas, then gas will be liquefied even solidify, and can think that all-mass migrates into the target gas cylinder this moment; After temperature stops to descend, with the second valve and the 4th valve closing, gaseous mass is retained in the target gas cylinder; When the target gas cylinder returns back to room temperature, its internal gas pressure will increase about 8 times.
When the present invention is used for pressure adjusting and recovery, regulate snubber, thereby discharge compressive tension and internal volume that dull and stereotyped pressure is regulated compressed gas cylinder; Open the second valve and the 4th valve, the gas in the target gas cylinder can be back to compressed gas cylinder, thereby plays the pressure regulating effect of target gas cylinder; Gas still is retained in the compressed gas cylinder, does not leak to atmosphere environment, still can repeat above-mentioned cooled compressed method such as the need utilization and boost.The adjusting of gas pressure can by each valve valve opening size and opening hours of control, be decided with reference to manometer.The process that gas reclaims similarly at first returns to free length with compressed gas cylinder, then compressed gas cylinder is lowered the temperature, and thus, the gas backstreaming in the target gas cylinder is to bellows, thus the recovery of realization gas.
The present invention has the following advantages compared to existing technology: the present invention can realize that compression, the step pressure of multiple rare gas utilize and recovery, simple in structure, fabricating cost is low, gas is all the time in the clean seal container, can guarantee the not contaminated of gas, avoid the loss of gas, can realize the ideal theoretical compression ratio between 5-70 doubly.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial schematic diagram of A among Fig. 1.
Fig. 3 is embodiment's 2 structural representations.
Embodiment
The below elaborates to embodiments of the invention, and present embodiment is implemented under take technical solution of the present invention as prerequisite, has provided detailed mode of execution and concrete operating process, but the protection domain of wood invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: source of the gas gas cylinder 1, target gas cylinder 2, compressed gas cylinder 3, sleeve 4, dull and stereotyped 5, capping 6, adjustable lever 7, snubber 8, refrigerator 9, the first manometer 10, the second manometer 11, pipeline 12, vacuum equipment 13, the first valve 14, the second valve 15, the 3rd valve 16 and the 4th valve 17, wherein: be provided with compressed gas cylinder 3 in the sleeve 4, compressed gas cylinder 3 sealed at both ends, one end of compressed gas cylinder 3 is fixed in the bottom of sleeve 4, the other end links to each other with dull and stereotyped 5, dull and stereotyped 5 activities are located in the sleeve 4, capping 6 is fixed at the top of sleeve 4, the bottom of adjustable lever 7 is fixed on dull and stereotyped 5, adjustable lever 7 tops and capping 6 sockets and top are provided with snubber 8, refrigerator 9 links to each other with sleeve 4 with target gas cylinder 2 respectively, target gas cylinder 2 is provided with the first manometer 10, compressed gas cylinder 3 is provided with the second manometer 11, vacuum equipment 13, compressed gas cylinder 3, be provided with successively the first valve 14 on source of the gas gas cylinder 1 and the target gas cylinder 2, the second valve 15, the 3rd valve 16 and the 4th valve 17, the first valves 14, the second valve 15, the 3rd valve 16 and the 4th valve 17 interconnect by pipeline 12.
In the present embodiment, pipeline 12 is that internal diameter is less than the stainless-steel pipe of 0.2mm.
Described adjustable lever 7 is provided with screw thread, has four, evenly is fixed on dull and stereotyped 5, and the top of adjustable lever 7 is undertaken spacing by nut.
Described compressed gas cylinder 3 is compressibilitys greater than 50% high pressure resistant low temperature resistant metal bellows.Compressed gas cylinder is compressibility greater than 50% high pressure resistant low temperature resistant metal bellows.The metal bellows diameter is decided on compression tolerance, and for precious rare gas, diameter is got little, generally at 20-50mm.Consider simultaneously compressive strength and ductility, wall thickness is 0.15mm.Maximum withstand voltage 15MPa, minimum operating temperature is-269 ℃.
The volume of described target gas cylinder 2 is 1/10th of source of the gas gas cylinders 1.
The manometer of present embodiment is pressure gauge, also can substitute with pressure transducer.
Described refrigerator 9 comprises: low-temperature receiver 18, switch 19 and thermal conductive belt 20, wherein: switch 19 connects respectively low-temperature receiver 18 and thermal conductive belt 20, and thermal conductive belt 20 is coated on respectively the inside of sleeve 4 and target gas cylinder 2.
In the present embodiment, described low-temperature receiver 18 is Dewar container for liquefied nitrogen, and thermal conductive belt 20 is that the red copper winding is made, and switch 19 is copper bars, and an end of copper bar is dipped in the low-temperature receiver 18, and the other end links to each other with thermal conductive belt 20, realizes switches 19 functions by extracting and insert low-temperature receiver 18.
Be respectively equipped with heater on described target gas cylinder 2 and the sleeve 4, can accelerate it and return to room temperature.
Described heater comprises: power supply and electrical heating wire 21, wherein: power supply links to each other with electrical heating wire 21, and electrical heating wire 21 is located at outside the thermal conductive belt 20.
Described electrical heating wire 21 outsides are provided with heat insulation layer 22, and thermal conductive belt 20 is exposed to extraneous part and all is provided with heat insulation layer 22 so that more effective transmission low-temperature receiver 18.
During present embodiment work, at first close the 3rd valve 16, open other three valves, utilize vacuum equipment 13, compressed gas cylinder 3, pipeline and target gas cylinder 2 are evacuated to 10
-3Pa degree of vacuum.Reach and close whole valves after degree of vacuum requires, separate with vacuum equipment 13.Then open the 3rd valve 16 and the second valve 15, from source of the gas gas cylinder 1 low-pressure gas is filled with bellows, until the stable rear inflation of the second pressure gauge reading is complete, close the 3rd valve 16 and the second valve 15, turn is used for the stop nut of compress bellows, compress bellows makes its volume half, gas pressure increases doubly, open the second valve 15 and the 4th valve 17, gas target approach gas cylinder 2 through tentatively compressing in the bellows, connect Dewar container for liquefied nitrogen by thermal conductive belt 20 target gas cylinder 2 is lowered the temperature, be down to 80K from the 300K room temperature, about 90% gas is shifted to target gas cylinder 2.This process first pressure gauge reading continues to increase, and after it is stable, closes the 4th valve 17 and the second valve 15.Treat that target gas cylinder 2 temperature return to room temperature (can use electrical heating wire 21 auxiliary heatings), pressure can increase to 8 times of original bleed pressure.
If operated gas price is expensive or have the reasons such as toxicity, corrosivity, environmental hazard and can not directly arrange in atmosphere, then can utilize this device calming the anger body to be carried out step pressure utilizes and recovery: target gas cylinder 2 to be carried out supercharging reach pressure maximum p
MaxAfter, be in and be lower than p if need to implement several to this gas
MaxThe pressure bit manipulation, then appropriateness is opened the 4th valve 17 and the second valve 15 and partial reduction bellows as required, obtains action required pressure by the first pressure gauge reading.Gas is in the seal container all the time in this process, need not discharge to atmosphere.
Gas reclaims: for the occasion that needs gas with various pressure (such as the measurement gas thermal physical property parameter), conventional method is that then the gas cylinder air inlet exits to environment step by step, considers He
3, the special gas such as deuterium price, confined gas repeatedly must be utilized in container and reclaims.Will be with the gas pressure cascade utilization in the target gas cylinder 2, only need bellows as buffer storage, the compression member that part is unclamped bellows makes its compressive state that certain answer be arranged, slowly open the 4th valve 17 and the second valve 15, so that the pressure portion in the target gas cylinder 2 is back to bellows, thereby target gas cylinder 2 pressure of realizing not wasting under the gas prerequisite are regulated.Gas in the target gas cylinder 2 to be reclaimed, the compression member of unclamping bellows makes it reply initial volume, bellows is lowered the temperature, gas flow in the target gas cylinder 2 is to bellows at this moment, after the second pressure gauge reading is stable, close the 4th valve 17 and the second valve 15, thereby realize that gas reclaims.Also can close the second valve 15, open the 4th valve 17 and the 3rd valve 16, gas can be pushed back again source of the gas gas cylinder 1 and retain.
In the present embodiment: take liquid helium warm area Cryo Refrigerator (as have the commercialization GM refrigerator of 1W at 4.2K) as low-temperature receiver, with the direct cooled compressed gas cylinder of its cold head and target gas cylinder.
As shown in Figure 3, present embodiment comprises source of the gas gas cylinder 1, target gas cylinder 2, compressed gas cylinder 3, sleeve 4, adjustable lever 5, capping 6, flat board 7, liquid nitrogen bath 8, the first valve 9, the second valve 10, the 3rd valve 11 and the 4th valve 12, the five valves 13, vacuum equipment 14, pipeline 15, GM refrigerator 15, one-level cold head 17, secondary cold head 18, low temperature screen 19, evacuated housing 20.Wherein: be provided with compressed gas cylinder 3 in the sleeve 4, compressed gas cylinder 3 sealed at both ends, one end of compressed gas cylinder 3 is fixed in the bottom of sleeve 4, the other end links to each other with dull and stereotyped 7, dull and stereotyped 7 activities are located in the sleeve 4, capping 6 is fixed at the top of sleeve 4, and the bottom of adjustable lever 5 is fixed on dull and stereotyped 7, on adjustable lever 5 tops and capping 6 sockets and the top.GM Cryo Refrigerator 16 and target gas cylinder 2 place in the evacuated housing 20, and low temperature cold screen 19 links to each other with the one-level cold head 17 of GM refrigerator, and the target gas cylinder links to each other with the secondary cold head 18 of GM refrigerator, the minimum 2.5K low temperature of realizing.Cold head and target gas cylinder all adopt the vacuum multi-layer insulation mode outward.The compressed gas cylinder scheme is similar to Example 1, and difference is that the outside need not heat insulation layer, directly by bolt bellows is compressed when at room temperature working, and reduces the chamber inner volume.When working at low temperatures, compressed gas cylinder 3 bellowss are partly placed in the liquid nitrogen tank.Compressed gas cylinder is directly cooled off target temperature 77K by liquid nitrogen.Workflow is with embodiment 1.
Claims (6)
1. the double effect device that reclaims of a gas boosting and transfer, comprise: the source of the gas gas cylinder, the target gas cylinder, compressed gas cylinder, sleeve, dull and stereotyped, capping, adjustable lever, snubber, refrigerator and vacuum equipment, it is characterized in that: compressed gas cylinder is positioned at sleeve and sealed at both ends, one end of compressed gas cylinder is fixedly connected with the bottom of sleeve, the other end links to each other with dull and stereotyped, dull and stereotyped activity is located in the sleeve, capping is fixed at the top of sleeve, the bottom of adjustable lever is fixed on the flat board, be respectively equipped with snubber on adjustable lever top and capping socket and the top, refrigerator links to each other with sleeve with the target gas cylinder respectively, vacuum equipment, compressed gas cylinder, source of the gas gas cylinder and target gas cylinder are interconnected by pipeline and the valve that is arranged on the pipeline.
2. the double effect device that reclaims of gas boosting according to claim 1 and transfer, it is characterized in that, described compressed gas cylinder is compressibility greater than 50% high pressure resistant low temperature resistant metal bellows, its diameter is 20-50mm, wall thickness is 0.15mm, maximum withstand voltage 15MPa, operating temperature is-269 ℃-+30 ℃, compressed gas cylinder acts on the dull and stereotyped volume compression that realizes by adjustable lever.
3. the double effect device of gas boosting according to claim 1 and transfer recovery is characterized in that the volume of described target gas cylinder is 1/10th of source of the gas gas cylinder volume.
4. the double effect device of gas boosting according to claim 1 and transfer recovery is characterized in that be respectively equipped with cooling unit and heater on described target gas cylinder and the sleeve, the outside is provided with thermal insulating warm-keeping layer.
5. the double effect device that reclaims of gas boosting according to claim 1 and transfer, it is characterized in that, described refrigerator comprises: low-temperature receiver, switch and thermal conductive belt, and wherein: switch connects respectively low-temperature receiver and thermal conductive belt, and thermal conductive belt is coated on respectively the inside of sleeve and target gas cylinder.
6. the double effect device of gas boosting according to claim 4 and transfer recovery is characterized in that, described cooling unit is for being twined the thermal conductive belt of making by red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010195993 CN101865167B (en) | 2010-06-10 | 2010-06-10 | Double effect device being capable of gas boosting, transferring and recycling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010195993 CN101865167B (en) | 2010-06-10 | 2010-06-10 | Double effect device being capable of gas boosting, transferring and recycling |
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| CN101865167A CN101865167A (en) | 2010-10-20 |
| CN101865167B true CN101865167B (en) | 2013-04-03 |
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| CN 201010195993 Expired - Fee Related CN101865167B (en) | 2010-06-10 | 2010-06-10 | Double effect device being capable of gas boosting, transferring and recycling |
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| CN104533659B (en) * | 2014-11-13 | 2016-01-20 | 西安航空动力股份有限公司 | A kind of working medium be the Stirling engine of hydrogen or helium from pressurization system |
| CN106989075A (en) * | 2016-01-21 | 2017-07-28 | 邱林涂 | Electricity/air pressure converter structure and application method |
| CN105757448B (en) * | 2016-04-07 | 2018-11-16 | 核工业理化工程研究院 | The accurate subpackage apparatus of gas |
| CN105822896B (en) * | 2016-04-11 | 2018-09-07 | 山东大力专用汽车制造有限公司 | A kind of parallel charging device of clean energy resource low-temperature storage tank and its fill technique |
| CN107917337B (en) * | 2017-11-14 | 2019-07-30 | 上海交通大学 | Liquid helium vessel thermal acoustic oscillation based on capacity damping air reservoir inhibits device |
| CN109812696A (en) * | 2019-01-23 | 2019-05-28 | 北京蓝箭空间科技有限公司 | Propellant for space launch vehicle sinks to the bottom energy supply system and carrier rocket |
| CN110486624B (en) * | 2019-08-28 | 2021-09-28 | 中国核动力研究设计院 | Gas high-sealing slow-speed pressure regulating system and method |
| CN114739095A (en) * | 2022-03-18 | 2022-07-12 | 广东盈峰科技有限公司 | Device of adjustable vacuum |
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| US4902206A (en) * | 1988-09-30 | 1990-02-20 | Haluna Kabushiki Kaisha | Bellows pump |
| CN1241253A (en) * | 1997-10-06 | 2000-01-12 | 液体空气乔治洛德方法利用和研究有限公司 | Method and installation for filling tank under pressure |
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2010
- 2010-06-10 CN CN 201010195993 patent/CN101865167B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902206A (en) * | 1988-09-30 | 1990-02-20 | Haluna Kabushiki Kaisha | Bellows pump |
| CN1241253A (en) * | 1997-10-06 | 2000-01-12 | 液体空气乔治洛德方法利用和研究有限公司 | Method and installation for filling tank under pressure |
Non-Patent Citations (1)
| Title |
|---|
| D.R.Bowling等.Technique to measure CO2 mixing ratio in small flasks with a bellows/IRGA system.《Agricultural and Forest Meteorology》.2001,第109卷(第1期),61-65. * |
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