CN103903653A - Piston-type extruding pill preparation device - Google Patents
Piston-type extruding pill preparation device Download PDFInfo
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- CN103903653A CN103903653A CN201210568104.3A CN201210568104A CN103903653A CN 103903653 A CN103903653 A CN 103903653A CN 201210568104 A CN201210568104 A CN 201210568104A CN 103903653 A CN103903653 A CN 103903653A
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- piston
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- type extrusion
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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
Abstract
The invention belongs to preparation devices and particularly relates to a solid pill material preparation device for pill injection experiments in a fusion reactor. The piston-type extruding pill preparation device comprises an extruder which is internally provided with a piston-type extruding rod and a cryostat. All strokes of the piston-type extruding rod are performed in the cryostat. The piston-type extruding rod is connected with a motor and can do reciprocating motion under the action of the motor. The extruder is provided with a pill material gas input tube which is communicated to the tail end of a piston of the extruder. The tail end of the piston-type extruding rod is provided with a cavity for temporarily storing a pill icicle. A transverse pipeline is arranged at the tail end of the cavity. A cutter is arranged in the transverse pipeline. The motion of the cutter is controlled by an external cutter solenoid coil. The transverse pipeline is also communicated with an external high-pressure gas source. A high-pressure gas source pipeline is provided with an electromagnetic fast valve for controlling on and off of high-pressure gas. The transverse pipeline is also communicated with a gas pumping pipeline which is communicated with a vacuum pump and is used for sucking operation residues out. A pill gun barrel is formed along a direction, far away from the high-pressure gas source, of the transverse pipeline and is used for outputting cut pills.
Description
Technical field
The invention belongs to preparation facilities, be specifically related in a kind of fusion reactor the preparation facilities for the solid-state ball material of Pellet injection experiment.
Background technology
Bullet injects the solid-state piller referring to being frozen into by hydrogen or its isotope and is injected into fusionplasma.It is considered to improve plasma density distribution and strengthens one of most important method of plasma confinement, with respect to common supplementary supplying gas and the reinforced means such as molecular beam injection, bullet injects and is adopted by multinational fusion researcher because of its reinforced efficiency with the darker injection degree of depth and Geng Gao.In recent years, along with obtaining and the expansion of international thermonuclear reaction experimental reactor (ITER) project of plasma height constrained operation pattern, bullet injects the research of the international fusion circle advanced subject such as reduction and stylobate district physics that is used to the control of edge local mode (ELM) and alleviation, L-H pattern switching threshold.The preparation for the reinforced solid-state ball material of fusion be in the past all adopt " original position " condensation mode: ball material gas is directly condensed and adsorbs into ice pellets in freezing chamber, and is launched by original position.Such technical disadvantages is: the size of bullet is unadjustable; The number of bullet can be frozen gun barrel quantity and limit; Reliability prepared by bullet is stable not etc.Along with further developing of fusion research, a kind of novel pill preparing device of exigence exploitation.
Summary of the invention
The object of the present invention is to provide a kind of novel can preparation size adjustable, quantity is adjustable, the device of the solid-state ball material for fusion Pellet injection experiment of high reliability and high duplication.
Technical scheme of the present invention is as follows: piston-type extrusion pill preparing device, comprise squeezer, be provided with piston-type pressure ram and cryostat in squeezer inside, whole strokes of described piston-type pressure ram are all in cryostat inside, piston-type pressure ram is connected with motor, and can under the effect of motor, move reciprocatingly, ball material gas input pipe is set on squeezer, this ball material gas input pipe is connected to the piston end of squeezer, be provided with for the interim cavity of placing of bullet icicle at the end of piston-type pressure ram, end at cavity arranges horizontal pipeline, in this horizontal pipeline, cutter is set, the motion of this cutter is subject to the control of outside cutter solenoid, this horizontal pipeline is also connected with outside high-pressure air source, the break-make that the fast valve of electromagnetism is used for controlling gases at high pressure is set on high-pressure air source pipeline, described horizontal pipeline is also communicated with pump-line, pump-line and vacuum pump UNICOM, this pump-line will be for operating residue sucking-off, horizontal pipeline forms bullet gun barrel away from the direction of high-pressure air source, this pellet gun pipe is for exporting the bullet of well cutting.
Piston-type extrusion pill preparing device as above, wherein, described piston-type extrusion pill preparing device also comprises the view window that is arranged on bullet icicle position.
Piston-type extrusion pill preparing device as above, wherein, arranges diagnostic window at the end of bullet gun barrel, and this diagnostic window is used for measuring size and the speed of bullet, and catches the image of bullet.
Piston-type extrusion pill preparing device as above, wherein, ball material gas is hydrogen or deuterium gas, purity is 99.9999%.
Piston-type extrusion pill preparing device as above, wherein, is provided with in piston-type pressure ram bottom the voussoir of controlling bullet size.
Piston-type extrusion pill preparing device as above, wherein, cooling employing liquid helium or the refrigeration machine of cryostat provide refrigeration work consumption.
Piston-type extrusion pill preparing device as above, wherein, the described high-pressure air source of introducing by the fast valve of electromagnetism is pure helium or hydrogen, described high pressure is 4.0 ~ 8.0Mpa.
Piston-type extrusion pill preparing device as above, wherein, the minimum frequency of the fast valve of electromagnetism is greater than 40Hz.
Piston-type extrusion pill preparing device as above, wherein, the minimum frequency of cutter is greater than 40Hz.
Piston-type extrusion pill preparing device as above, wherein, cutter is that internal diameter is 1.3mm thin walled tube.
Remarkable result of the present invention is: the application of piston-type pressure ram in piston-type extrusion pill preparing device, density can be produced higher, the ball material icicle that surrender property is larger, such icicle can guarantee in the time being cut into solid-state bullet, have better integrality and repeatability; Bullet preparation efficiency also improves greatly simultaneously, can be according to fusion assay requirement, and the disposable icicle length needing that produces, then just can obtain by extrusion speed and the bullet cutting frequency of control piston type pressure ram the multiple bullets that need.
Accompanying drawing explanation
Fig. 1 piston-type extrusion pill preparing device schematic diagram.
Fig. 2 piston-type pressure ram schematic diagram.
1. motors in figure, 2. ball material gas input pipe, 3. squeezer, 4. cryostat, 5. bullet icicle, the 6. fast valve of electromagnetism, 7. cutter solenoid, 8. cutter, 9. bullet gun barrel, 10. view window, 11. pump-lines, 12. diagnostic window 13. piston-type pressure rams
Embodiment
As shown in the figure, piston-type extrusion pill preparing device, that the ball material gas of certain pressure is incorporated in cryostat 4 by ball material gas input pipe 2 endlessly, ball material gas is frozen into frost, then be pressed into icicle at the interior pressure ram 13 with piston-type of squeezer 3, the motion of pressure ram 13 is to be driven by the motor 1 being connected with it.In the process of icicle down sliding, the voussoir of squeezer bottom is controlled the size of bullet by the drive of stepper motor.By band/dead electricity control cutter 8 traverse motions of cutter solenoid 7, icicle 5 is cut into bullet and send in gun barrel 9, open the fast valve 6 of electromagnetism simultaneously and introduce gases at high pressure bullet is accelerated, thereby complete preparation and the injection process of bullet.In this process, can pass through watch window 10, the formation situation of observing bullet icicle.After bullet residue distillation after icicle and cutting, take away by the vacuum unit being connected with pump-line 11.On diagnostic window 12, grating and CCD camera etc. are installed and are used for measuring size and the speed of bullet, and catch the image of bullet simultaneously.
When ball material gas is introduced into cryostat continuously, ball material gas is frozen into frost, then in squeezer, be pressed into icicle with piston-type extrusion bar, in the process of icicle down sliding, utilizing cutter traverse motion that icicle is cut into bullet sends in gun barrel, open the fast valve of electromagnetism simultaneously and introduce gases at high pressure bullet is accelerated, thereby complete preparation and the injection process of bullet.
Above-mentioned ball material gas is hydrogen or deuterium gas, and purity is 99.9999%.The fuel of " pure " can be provided for fusion facility like this.
The cooling employing refrigeration machine of above-mentioned cryostat provides refrigeration work consumption.Cooling with respect to liquid helium conventionally used, the use of refrigeration machine is more easily controlled refrigerating speed and is saved operating cost.
The motion of above-mentioned squeezer inner carrier type pressure ram is driven by the connected motor of programmed control.Can control more accurately like this movement position and the movement velocity of pressure ram.
The introducing of the cutting of above-mentioned bullet and promotion gas is all by the fast valve control of electromagnetism.
Piston-type extrusion pill preparing device provided by the present invention can one-shot forming the icicle of 8 centimetres, can prepare diameter is 1.3mm, length is hydrogen or the deuterium ball of 1.3 ~ 1.7mm, injected frequency 1 ~ 33Hz, and injection rate is that reliability prepared by 150 ~ 1000m/s. bullet exceedes 90%.The preparation that such device is the solid-state ball material that carries out the subject studies such as fusion reinforced and edge local mode control and alleviation and need provides strong engineering support.
Claims (10)
1. piston-type extrusion pill preparing device, it is characterized in that: comprise squeezer (3), be provided with piston-type pressure ram (13) and cryostat (4) in squeezer (3) inside, whole strokes of described piston-type pressure ram (13) are all in cryostat (4) inside, piston-type pressure ram (13) is connected with motor (1), and can under the effect of motor (1), move reciprocatingly, ball material gas input pipe (2) is set on squeezer (3), this ball material gas input pipe (2) is connected to the piston end of squeezer (3), be provided with for the interim cavity of placing of bullet icicle (5) at the end of piston-type pressure ram (13), end at cavity arranges horizontal pipeline, cutter (8) is set in this horizontal pipeline, the motion of this cutter (8) is subject to the control of outside cutter solenoid (7), this horizontal pipeline is also connected with outside high-pressure air source, the break-make that the fast valve of electromagnetism (6) is used for controlling gases at high pressure is set on high-pressure air source pipeline, described horizontal pipeline is also communicated with pump-line (11), pump-line (11) and vacuum pump UNICOM, this pump-line (11) will be for operating residue sucking-off, horizontal pipeline forms bullet gun barrel (9) away from the direction of high-pressure air source, this bullet gun barrel (9) is for exporting the bullet of well cutting.
2. piston-type extrusion pill preparing device as claimed in claim 1, is characterized in that: described piston-type extrusion pill preparing device also comprises the view window (10) that is arranged on bullet icicle (5) position.
3. piston-type extrusion pill preparing device as claimed in claim 2, is characterized in that: at the end of bullet gun barrel (9), diagnostic window (12) is set, this diagnostic window (12) is used for measuring size and the speed of bullet, and catches the image of bullet.
4. piston-type extrusion pill preparing device as claimed in claim 3, is characterized in that: ball material gas is hydrogen or deuterium gas, and purity is 99.9999%.
5. piston-type extrusion pill preparing device as claimed in claim 4, is characterized in that: in piston-type pressure ram (13) bottom, the voussoir of controlling bullet size is installed.
6. piston-type extrusion pill preparing device as claimed in claim 5, is characterized in that: cooling employing liquid helium or the refrigeration machine of cryostat (4) provide refrigeration work consumption.
7. piston-type extrusion pill preparing device as claimed in claim 6, is characterized in that: the described high-pressure air source of introducing by the fast valve of electromagnetism (6) is pure helium or hydrogen, and described high pressure is 4.0 ~ 8.0Mpa.
8. piston-type extrusion pill preparing device as claimed in claim 7, is characterized in that: the minimum frequency of the fast valve of electromagnetism (6) is greater than 40Hz.
9. piston-type extrusion pill preparing device as claimed in claim 8, is characterized in that: the minimum frequency of cutter (8) is greater than 40Hz.
10. piston-type extrusion pill preparing device as claimed in claim 9, is characterized in that: cutter (8) for internal diameter be 1.3mm thin walled tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568104.3A CN103903653A (en) | 2012-12-24 | 2012-12-24 | Piston-type extruding pill preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568104.3A CN103903653A (en) | 2012-12-24 | 2012-12-24 | Piston-type extruding pill preparation device |
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| CN103903653A true CN103903653A (en) | 2014-07-02 |
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| CN201210568104.3A Pending CN103903653A (en) | 2012-12-24 | 2012-12-24 | Piston-type extruding pill preparation device |
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Cited By (6)
| 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 |
| CN104795111A (en) * | 2015-04-21 | 2015-07-22 | 西安交通大学 | Method and device for feeding Tokamak device by utilizing electrothermal propulsion |
| RU2635660C1 (en) * | 2016-12-07 | 2017-11-15 | Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФГБУН ФИАН) | Method of deliverying cryogenic fuel targets for laser thermonuclear synthesis |
| CN107817841A (en) * | 2017-09-30 | 2018-03-20 | 中国科学院合肥物质科学研究院 | A kind of accurate temperature control system for facing liquid helium temperature |
| CN111816329A (en) * | 2020-07-23 | 2020-10-23 | 核工业西南物理研究院 | Device and method for preparing mixed frozen projectile |
| CN115240877A (en) * | 2022-07-06 | 2022-10-25 | 核工业西南物理研究院 | Piston type lithium bullet former suitable for fusion device |
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| WO1988002175A1 (en) * | 1986-09-08 | 1988-03-24 | Forskningscenter Risø | Method for the injection of fuel pills in a fusion plasma |
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Cited By (7)
| 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 |
| CN104795111A (en) * | 2015-04-21 | 2015-07-22 | 西安交通大学 | Method and device for feeding Tokamak device by utilizing electrothermal propulsion |
| RU2635660C1 (en) * | 2016-12-07 | 2017-11-15 | Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФГБУН ФИАН) | Method of deliverying cryogenic fuel targets for laser thermonuclear synthesis |
| CN107817841A (en) * | 2017-09-30 | 2018-03-20 | 中国科学院合肥物质科学研究院 | A kind of accurate temperature control system for facing liquid helium temperature |
| CN107817841B (en) * | 2017-09-30 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Accurate temperature control system for temperature of liquid helium |
| CN111816329A (en) * | 2020-07-23 | 2020-10-23 | 核工业西南物理研究院 | Device and method for preparing mixed frozen projectile |
| CN115240877A (en) * | 2022-07-06 | 2022-10-25 | 核工业西南物理研究院 | Piston type lithium bullet former suitable for fusion device |
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Application publication date: 20140702 |