CN103886920A - Pellet gas distribution system - Google Patents
Pellet gas distribution system Download PDFInfo
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- CN103886920A CN103886920A CN201210558259.9A CN201210558259A CN103886920A CN 103886920 A CN103886920 A CN 103886920A CN 201210558259 A CN201210558259 A CN 201210558259A CN 103886920 A CN103886920 A CN 103886920A
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- Prior art keywords
- bullet
- gas supply
- valve
- pipe fitting
- supply line
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
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Abstract
The invention relates to a gas distribution system and particularly discloses a pellet gas distribution system. The pellet gas distribution system comprises a pellet material gas supply pipeline, a pellet propulsion gas supply pipeline, a suction pump set and a computer system, wherein the pellet material gas supply pipeline is communicated with the pellet propulsion gas supply pipeline through the suction pump set, and the computer system is respectively connected with the pellet material gas supply pipeline and the pellet propulsion gas supply pipeline. The pellet gas distribution system can precisely control supply and removal of the pellet material gas and the propulsion gas and provides guarantee of solid state pellets for pellet preparation and acceleration of a pellet injection experiment.
Description
Technical field
The present invention relates to a kind of gas distributing system, refer more particularly to the ball material gas of solid-state piller and the gas distributing system of propelling gas distribution for Pellet injection experiment in nuclear fusion field.
Background technology
Bullet injects the solid-state piller referring to the millimeter magnitude being frozen into by hydrogen or its isotope and is injected into fusionplasma.Pellet injection experiment is not only used to plasma material feeding, is also used to the research of the control of edge local mode (ELM) and alleviation, the international fusion circle advanced subject such as reduction and stylobate district physics from low constrained operation pattern (L mode) to high constrained operation pattern (H mode) switching threshold simultaneously.The supply of ball material gas has directly determined the quality of bullet; The supply of the propelling gas (generally adopting the high-purity helium of high pressure) accelerating for bullet has determined the speed of bullet, has also just determined the deposition position of bullet.In experiment in the past, the supply of ball material gas is directly connected on High Purity Hydrogen (deuterium) gas tank by an electromagnetic valve, and valve-off again after Open valve a period of time (by experience gained), completes air feed.Such mode itself is just very rough, and freezing bullet quality out can not well be ensured; The supply of bullet propelling gas is to be also directly connected with high pressure helium gas tank by a pressure loading valve, and simple adjustment reduction valve obtains, after certain output pressure, just having completed the supply of propulsive gas.Such mode causes air pressure stable not, thereby can not well control for the speed of multiple bullet.Based on above reason, be necessary to develop a set of bullet gas distributing system, can carry out accurate control to ball material gas and bullet propelling gas.
Summary of the invention
The technical problem to be solved in the present invention is to provide a set of bullet gas distributing system, thereby can carry out accurate control to bullet ball material gas and propulsive gas, for the Pellet injection experiment of carrying out on nuclear fusion device provides safeguard.
For solving the problems of the technologies described above, bullet gas distributing system of the present invention, comprises bullet ball material gas supply line, bullet propulsive gas supply line, aspiration pump group, computer system; Bullet ball material gas supply line is communicated with bullet propulsive gas supply line by aspiration pump group, between computer system and bullet ball material gas supply line, bullet propulsive gas supply line, is all connected.
Bullet ball material gas supply line comprises the hydrogen generator, capillary tube member three, electrically operated valve three, buffer tank two, tensimeter two, tee pipe fitting three, electrically operated valve one, the import of bullet preparing device ball material gas that are communicated with successively; Bullet propulsive gas supply line comprises the high pressure helium gas tank, pressure loading valve, capillary tube member one, operated pneumatic valve one, tee pipe fitting one, tensimeter one, buffer tank one, the fast valve of electromagnetism that are communicated with successively; Tee pipe fitting three is communicated with tee pipe fitting two by electrically operated valve two; Tee pipe fitting one is communicated with tee pipe fitting two by capillary tube member two, operated pneumatic valve two successively; Tee pipe fitting two is communicated with aspiration pump group; Computer system is all connected with tensimeter, electrically operated valve, operated pneumatic valve.
The internal diameter of described capillary tube member is 0.2mm.
Described buffer tank two and the volume of buffer tank one are respectively 0.1 liter and 0.3 liter.
Useful technique effect of the present invention is: bullet gas distributing system of the present invention can accurately be controlled the supply of bullet ball material gas and propulsive gas and extract, and stable gas pressure, for the required adjustable solid-state piller of high-quality, speed of Pellet injection experiment on preparation and acceleration nuclear fusion device provides safeguard.Adopt bullet gas distributing system of the present invention, the purity of the ball material gas of its hydrogen generator institute output is up to 99.9999%.
Brief description of the drawings
Fig. 1 is the schematic diagram of a kind of bullet gas distributing system provided by the present invention.
Fig. 2 is computer system provided by the present invention and tensimeter and electrically operated valve, operated pneumatic valve connection diagram.
In figure: 1 is the fast valve of electromagnetism, 2 is that buffer tank one, 3 is tensimeter one, 4 is that tee pipe fitting one, 5 is that operated pneumatic valve one, 6 is capillary tube member one, 7 is reduction valve, 8 is high pressure helium gas tank, and 9 is that capillary tube member two, 10 is operated pneumatic valve two, 11 is tee pipe fitting two, 12 is that electrically operated valve two, 13 is the import of bullet preparing device ball material gas, and 14 is electrically operated valve one, 15 is tee pipe fitting three, 16 is that tensimeter two, 17 is that buffer tank one, 18 is electrically operated valve three, 19 is capillary tube member three, 20 is hydrogen generator, and 21 is aspiration pump group, and 22 is computer system.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
A kind of bullet gas distributing system provided by the present invention comprises bullet ball material gas supply line, bullet propulsive gas supply line, aspiration pump group 21, computer system 22;
Bullet ball material gas supply line comprises the hydrogen generator 20, capillary tube member 3 19, electrically operated valve 3 18, buffer tank 2 17, tensimeter 2 16, tee pipe fitting 3 15, electrically operated valve 1, the bullet preparing device ball material gas import 13 that are communicated with successively.Pipeline connection is passed through in one end of the outlet of hydrogen generator 20 and capillary tube member 3 19, the input end of the other end of capillary tube member 3 19 and electrically operated valve 3 18 passes through pipeline connection, the air intake opening of the output terminal of electrically operated valve 3 18 and buffer tank 2 17 passes through pipeline connection, the first end of the gas outlet of buffer tank 2 17 and tee pipe fitting 3 15 passes through pipeline connection, pipeline between the gas outlet of buffer tank 2 17 and tee pipe fitting 3 15 is provided with tensimeter 2 16, the second end of tee pipe fitting 3 15 and the input end of electrically operated valve 1 pass through pipeline connection, pipeline connection is passed through in the output terminal of electrically operated valve 1 and bullet preparing device ball material gas import 13.
Bullet propulsive gas supply line comprises the fast valve 1 of high pressure helium gas tank 8, pressure loading valve 7, capillary tube member 1, operated pneumatic valve 1, tee pipe fitting 1, tensimeter 1, buffer tank 1, electromagnetism being communicated with successively.The ball valve at high pressure helium gas tank 8 tops and the input end of pressure loading valve 7 pass through pipeline connection, pipeline connection is passed through in one end of the output terminal of pressure loading valve 7 and capillary tube member 1, the input end of the other end of capillary tube member 1 and operated pneumatic valve 1 passes through pipeline connection, the first end of the output terminal of operated pneumatic valve 1 and tee pipe fitting 1 passes through pipeline connection, the second end of tee pipe fitting 1 and the air intake opening of buffer tank 1 are by pipeline connection, and the pipeline between the second end of tee pipe fitting 1 and the air intake opening of buffer tank 1 is provided with tensimeter 1.The input end of the fast valve 1 of the gas outlet of buffer tank 1 and electromagnetism passes through pipeline connection.
The 3rd end of tee pipe fitting 3 15 and the input end of electrically operated valve 2 12 are by pipeline connection, and the first end of the output terminal of electrically operated valve 2 12 and tee pipe fitting 2 11 passes through pipeline connection.
The 3rd end of tee pipe fitting 1 and the input end of capillary tube member 29 pass through pipeline connection, capillary tube member 29 output terminal and the input end of operated pneumatic valve 2 10 by pipeline connection, the second end of the output terminal of operated pneumatic valve 2 10 and tee pipe fitting 2 11 passes through pipeline connection.
The 3rd end and the aspiration pump group 21 of tee pipe fitting 2 11 are passed through pipeline connection; Bullet ball material gas supply line and bullet propulsive gas supply line share an aspiration pump group 21, and the effect of aspiration pump group 21 is that unnecessary ball material gas and bullet propelling gas are extracted, and regulate with the voltage stabilizing that realizes both.
The internal diameter of capillary tube member 6,9,19 is 0.2mm, and capillary tube member 6,9,19 is all for controlling the flow of gas.
The volume of buffer tank 2 17 and buffer tank 1 is respectively 0.1 liter and 0.3 liter, can carry out good voltage stabilizing adjusting to bullet ball material gas and propulsive gas respectively like this.
The principle of work of a kind of bullet gas distributing system provided by the present invention is as follows: first, send " closing " signal to all electrically operated valves 12,14,18 and operated pneumatic valve 5,10 by computer system 22.Before bullet preparation starts, set the aspirated pressure of bullet ball material gas by the man-machine interface of computer system 22, simultaneously by Programmable Logic Controller (PLC) output control signal, open electrically operated valve 3 18, the high-purity ball material gas producing from hydrogen generator 20, by being slowly full of by capillary tube member 3 19, electrically operated valve 3 18 all pipelines that buffer tank 2 17 and buffer tank 2 17 are connected with electrically operated valve 2 12, electrically operated valve 1 successively, until the pressure in whole bullet ball material gas supply line reaches equilibrium state.The signal of tensimeter 2 16 is input to computer system 22 by Programmable Logic Controller (PLC), and compare with the set pressure of bullet ball material gas, in the time that the reading of tensimeter 2 16 is greater than ball material gas set pressure, computer system 22 is sent " opening " signal to electrically operated valve 2 12, and unnecessary ball material gas will extract by aspiration pump group 21; In the time that the reading of tensimeter 2 16 equals ball material gas set pressure, computer system 22 is sent " closing " signal to electrically operated valve 2 12, and now bullet ball material gas supply set-up procedure finishes.In the time that bullet preparation formally starts, computer system 22 is sent " opening " signal to electrically operated valve 1, the connecting line of the output terminal by electrically operated valve 1 and bullet preparing device ball material gas import 13 is entered bullet preparing device by bullet ball material gas, starts the preparation of bullet.In prepared by bullet, set the aspirated pressure of bullet propulsive gas by the man-machine interface of computer system 22, export " opening " signal to operated pneumatic valve 1 by Programmable Logic Controller (PLC) simultaneously, the propulsive gas of exporting from high pressure helium gas tank 8, to slowly be full of the connecting line between buffer tank 1 and tee pipe fitting 1 and capillary tube member 29 and operated pneumatic valve 10 by pressure loading valve 7, capillary tube member 1, operated pneumatic valve 1, tee pipe fitting 1 successively, until the pressure in whole bullet propulsive gas supply line reaches equilibrium state.The signal of tensimeter 1 is input to computer system 22 by Programmable Logic Controller (PLC), and compare with the set pressure of bullet propulsive gas, in the time that the reading of tensimeter 1 is greater than propulsive gas set pressure, computer system 22 is sent " opening " signal to operated pneumatic valve 2 10, and unnecessary propelling gas will extract by aspiration pump group 21; In the time that the reading of tensimeter 1 equals propulsive gas set pressure, computer system 22 is sent " closing " signal to operated pneumatic valve 2 10, and now bullet propulsive gas supply set-up procedure finishes.In the time of pellet injection, computer system 22 is sent control signal to the fast valve 1 of electromagnetism, and bullet accelerates to by being pushed gas the speed needing.
In conjunction with the accompanying drawings and embodiments the present invention is explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.The content not being described in detail in the present invention all can adopt prior art.
Claims (4)
1. bullet gas distributing system, it is characterized in that: comprise bullet ball material gas supply line, bullet propulsive gas supply line, aspiration pump group (21), computer system (22), bullet ball material gas supply line is communicated with bullet propulsive gas supply line by aspiration pump group (21), between computer system (22) and bullet ball material gas supply line, bullet propulsive gas supply line, is all connected.
2. bullet gas distributing system according to claim 1, is characterized in that: described bullet ball material gas supply line comprises the hydrogen generator (20), capillary tube member three (19), electrically operated valve three (18), buffer tank two (17), tensimeter two (16), tee pipe fitting three (15), electrically operated valve one (14), the bullet preparing device ball material gas import (13) that are communicated with successively; Described bullet propulsive gas supply line comprises the high pressure helium gas tank (8), pressure loading valve (7), capillary tube member one (6), operated pneumatic valve one (5), tee pipe fitting one (4), tensimeter one (3), buffer tank one (2), the fast valve of electromagnetism (1) that are communicated with successively; Tee pipe fitting three (15) is communicated with tee pipe fitting two (11) by electrically operated valve two (12); Tee pipe fitting one (4) is communicated with tee pipe fitting two (11) by capillary tube member two (9), operated pneumatic valve two (10) successively; Tee pipe fitting two (11) is communicated with aspiration pump group (21); Computer system 22 all connects with tensimeter (3,16), electrically operated valve (12,14,18), operated pneumatic valve (5,10).
3. bullet gas distributing system according to claim 1, is characterized in that: the internal diameter of described capillary tube member (6,9,19) is 0.2mm.
4. bullet gas distributing system according to claim 1, is characterized in that: described buffer tank two (17) and the volume of buffer tank one (2) are respectively 0.1 liter and 0.3 liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558259.9A CN103886920B (en) | 2012-12-20 | Bullet gas distributing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558259.9A CN103886920B (en) | 2012-12-20 | Bullet gas distributing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103886920A true CN103886920A (en) | 2014-06-25 |
| CN103886920B CN103886920B (en) | 2016-11-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091620A (en) * | 2014-07-17 | 2014-10-08 | 东南大学 | Method for manufacturing fusion pellet based on microfluid |
| CN104317322A (en) * | 2014-10-24 | 2015-01-28 | 北京精密机电控制设备研究所 | Automatic pressure regulating type high-pressure helium control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406594A (en) * | 1990-07-17 | 1995-04-11 | Ente Per Le Nuove Technologie, L'energia E L'ambiente (Enea) | High rate, single or multi-barrel miniaturized injection system of cryogenic pellets, in particular for use in machines for the controlled nuclear fusion by magnetic confinement of plasma |
| JP2002202391A (en) * | 2000-11-20 | 2002-07-19 | Pelin Inc | Impurity pellet injector accompanied by solid hydrogen isotope shell for fusion device |
| CN202126848U (en) * | 2011-05-31 | 2012-01-25 | 核工业西南物理研究院 | Solid-state charging pill preparing device |
| CN202178066U (en) * | 2011-07-29 | 2012-03-28 | 核工业西南物理研究院 | Multilevel differential vacuum pumping system for propulsive gas of nuclear fusion projectile charging |
| CN203026143U (en) * | 2012-12-20 | 2013-06-26 | 核工业西南物理研究院 | Projectile gas distribution system |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406594A (en) * | 1990-07-17 | 1995-04-11 | Ente Per Le Nuove Technologie, L'energia E L'ambiente (Enea) | High rate, single or multi-barrel miniaturized injection system of cryogenic pellets, in particular for use in machines for the controlled nuclear fusion by magnetic confinement of plasma |
| JP2002202391A (en) * | 2000-11-20 | 2002-07-19 | Pelin Inc | Impurity pellet injector accompanied by solid hydrogen isotope shell for fusion device |
| CN202126848U (en) * | 2011-05-31 | 2012-01-25 | 核工业西南物理研究院 | Solid-state charging pill preparing device |
| CN202178066U (en) * | 2011-07-29 | 2012-03-28 | 核工业西南物理研究院 | Multilevel differential vacuum pumping system for propulsive gas of nuclear fusion projectile charging |
| CN203026143U (en) * | 2012-12-20 | 2013-06-26 | 核工业西南物理研究院 | Projectile gas distribution system |
Non-Patent Citations (1)
| Title |
|---|
| 刘德权等: "HL_1M装置的八发弹丸注入系统及工程实验", 《真空与低温》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091620A (en) * | 2014-07-17 | 2014-10-08 | 东南大学 | Method for manufacturing fusion pellet based on microfluid |
| CN104317322A (en) * | 2014-10-24 | 2015-01-28 | 北京精密机电控制设备研究所 | Automatic pressure regulating type high-pressure helium control system |
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