CN205648167U - System for target system with have a target system be used for producing neutron and/or neutrino - Google Patents
System for target system with have a target system be used for producing neutron and/or neutrino Download PDFInfo
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- CN205648167U CN205648167U CN201620244814.4U CN201620244814U CN205648167U CN 205648167 U CN205648167 U CN 205648167U CN 201620244814 U CN201620244814 U CN 201620244814U CN 205648167 U CN205648167 U CN 205648167U
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Abstract
An embodiment of the utility model discloses a target system and the system that is used for producing neutron and/or neutrino that has this target system. The target system is arranged in neutron generation system and neutrino generation system at least one, the target system includes: solid particle as the target body, collecting member, collecting member is used for collecting solid particle, and wherein collecting member's bottom has the opening, and be used for adjusting the adjustment Assembly of this open -ended size. According to the utility model discloses an embodiment, the line that can the optimized utilization grain flow forms at collecting member's opening to production neutron or neutrino.
Description
Technical field
Embodiment of the present utility model relate to a kind of target system and have this target system for producing
Raw neutron and/or the system of neutrino
Background technology
Spallation target can be applied to grind from basis as the efficient neutron source of one and neutrino source
Study carefully the different field that tip is applied.The most every big science engineering is in high power
The demand of component is very urgent, but is limited to the problem such as material, heat radiation, utilizes traditional neutron
Source technology is difficult to have further breakthrough on raising spallation target power again.At fusion reactor material spoke
According in damage research, there is no suitable neutron source the most in the world for correlational study, traditional
The neutron flux that accelerator deuterium tritium neutron source produces is limited, is exclusively used in fusion reactor material research
Component project IFMIF (international fusion reactor material irradiation devices) although can produce higher in
Sub-flux and the total yield of neutron, but its technical difficulty and investment are the hugest, and the lead time
Very long.Additionally, along with the research of neutrino becomes the hot issue of current basic scientific research,
Setting up neutrino factory, producing substantial amounts of applicable neutrino becomes asking of a urgent need solution
Topic.
Utility model content
The purpose of embodiment of the present utility model is to provide a kind of target system and has this target system
For producing the system of neutron and/or neutrino, the most such as can be with Optimum utilization granule stream
At the line that the opening of collecting part is formed, to produce neutron or neutrino.
Embodiment of the present utility model provides a kind of target system, and described target system produces for neutron
At least one in raw system and neutrino generation system, described target system includes: as target body
Solid particle；Collecting part, described collecting part is used for collecting solid particle, wherein collects
The bottom of parts has opening；And for regulating the regulation parts of the size of this opening.
According to embodiment of the present utility model, described opening has substantially rectangular shape.
According to embodiment of the present utility model, described collecting part has top and substantially funnel-form
Bottom, in approximate horizontal plane, the bottom of described collecting part has substantially rectangular
Cross sectional shape, the bottom of the bottom of described collecting part is opening, to constitute described opening.
According to embodiment of the present utility model, described regulation parts are draw back plates, described draw back plate
Can translate.
According to embodiment of the present utility model, described draw back plate can be substantially at the width of described opening
Degree side translates up.
According to embodiment of the present utility model, described draw back plate includes relative at described opening
The symmetrically arranged paired draw back plate of straight line extended on length direction.
According to embodiment of the present utility model, described straight line is on the length direction of described opening
The centrage extended.
According to embodiment of the present utility model, described draw back plate includes at least three pairs of draw back plates.
According to embodiment of the present utility model, the edge of described draw back plate has end difference, adjacent
The end difference shape complementarity of neighboring edge of draw back plate.
According to embodiment of the present utility model, described draw back plate is formed by two overlapping plates.
Embodiment of the present utility model provides and a kind of for produce neutron and/or neutrino is
System, this system being used for producing neutron and/or neutrino includes: above-mentioned target system.
According to embodiment of the present utility model, described opening has substantially rectangular shape, and
The described system for producing neutron and/or neutrino also includes: line launches part, described bundle
The direction that stream launches the line that part is launched is almost parallel with the length direction of described opening.
According to embodiment of the present utility model, can be with Optimum utilization granule stream opening at collecting part
The line of interruption-forming, to produce neutron or neutrino.
Accompanying drawing explanation
Fig. 1 is the entirety that the neutron according to this utility model embodiment or neutrino produce system
Schematic diagram；
Fig. 2 is showing of the infundibulate collecting part of the target system according to this utility model embodiment
It is intended to；
Fig. 3 is the regulation of the opening of the infundibulate collecting part according to this utility model embodiment
Parts or the schematic diagram of switching device.
Fig. 4 is the regulation of the opening of the infundibulate collecting part according to this utility model embodiment
Parts or the schematic diagram of switching device.
Fig. 5 is the sample stage schematic diagram according to this utility model embodiment.
Detailed description of the invention
Below in conjunction with Figure of description, detailed description of the invention of the present utility model is described.
As shown in Figures 1 to 3, according to neutron and/or the neutrino of embodiment of the present utility model
Generation system 100 specifically includes that target system 9 and solid particle chiller 3, screens and remove
Dirt device 4, granule supplement and reclaim storage device 5, granule lifting device 6, converge pipeline 7
Deng auxiliary device, described auxiliary device for will solid particle cool down, dedusting be sent to described
The top of the collecting part 1 of target system 9.
As it is shown in figure 1, the parts 2 that converge of described target system 9 are arranged on collecting part 1 time
Trip, the solid particle chiller 3 for cooling solid granule is arranged on convergence parts 2 times
Trip.
As shown in Figures 1 to 3, according to embodiment of the present utility model for neutron and/or in
The target system 9 of micro-sub-generation system includes: as the flowable solid particle of target body；For
Collect the collecting part 1 of solid particle and for being guided by solid particle reacted with line
Convergence parts 2 to solid particle chiller 3.The bottom of collecting part has opening 10.
Opening 10 can be lower outlet and can have substantially rectangular shape.Solid particle is at gravity
By the inner chamber of collecting part 1 under effect, arrive opening 10.Be provided with at opening 10 for
Regulate the regulation parts of the size of this opening 10.These regulation parts can be controlled draw back plate
11, draw back plate 11 can translate.Such as, the tooth bar by being arranged on draw back plate 11 utilizes
Gear drives draw back plate 11 to translate.Can according to beam energy and beam spot size carry out open and
The regulation of size.Solid particle can have spheroid form, such as spherosome shape, spheroid
Shape or other spheroid form that can roll.As in figure 2 it is shown, described collecting part 1 is permissible
It it is flat cuboid funnel.Such as, described collecting part can have top and substantially funnel-form
Bottom, in approximate horizontal plane, the bottom of described collecting part has substantially rectangular
Cross sectional shape, the bottom of the bottom of described collecting part is opening, to constitute described opening
10。
As in figure 2 it is shown, described collecting part 1, its profile can be flat cuboid funnel.Its
Space is made up of two big sidewalls 12 and two little sidewalls 13, and lower section is 4 plate planes
The hopper base (14 represent two little diapires, and 15 represent two big diapires) formed, itself and phase
The angle answering sidewall can be 90 °～180 °, is opening 10 in the middle of funnel bottom, this opening 10
For bell mouth, identical by multiple sizes and controllable switch the draw back plate 11 of draw back plate 11 forms,
Generally corresponding with bell mouth 10 rectangle after its split.Every piece of draw back plate 11 is respectively provided with
Occlusal contact condition structure shown in Fig. 3, in order to avoid in closed state, granule spills from gap.
Sensing device can be set in the outside of every piece of draw back plate 11, can be inputted by parameter, remotely control
Make its switch distance.Described draw back plate 11 includes prolonging relative on the length direction of opening 10
The symmetrically arranged paired draw back plate 11 of straight line stretched, such as 1 to, 2 to, 3 to or more
To draw back plate 11.Described straight line can be the centrage extended on the length direction of opening 10.
The edge of described draw back plate 11 has end difference, the ladder of the neighboring edge of adjacent draw back plate
Portion's shape complementarity.Described draw back plate 11 can be formed by two overlapping plates.Draw back plate is permissible
Including at least three pairs of draw back plates, such as three pairs draw back plates.As it is shown in figure 1, described auxiliary device
Including screening dust arrester 4 and granule lifting device 6.The function of screening dust arrester 4 is
Remove the crushed particles in granule and dust.The upper end of granule lifting device 6 is provided with convergence pipeline
7, for solid particle being supplied the collecting part 1 of target system 9.Additionally, neutron or in micro-
Sub-generation system 100 also includes: the granule being arranged on screening dust arrester 4 downstream stores and mends
Fill and put 5.
In embodiment of the present utility model, it is a kind of small-sized height that neutron and neutrino produce system
In flux high-energy neutron and neutrino source, this neutron and neutrino source, from electron cyclotron resonace type
(ECR) producing ion in ion source, ion is through transfers line, radio frequency four polar field (RFQ)
Generating high power density line after accelerator, middle energy transmission line and superconduction accelerating sections, high power is close
Degree line reacts with solid heavy metals granule target, produces the neutron or neutrino needed.
Target material can select beryllium alloy or tungsten alloy granule etc., and its particle diameter may be about
0.1～0.5mm, beryllium alloy can use beryllium tungsten alloy, beryllium titanium alloy, beryllium rhenium alloys, Yi Jixiang
Close ternary alloy three-partalloy, such as Be-W-X alloy (wherein X is Re, Ta, Fe etc.), or adopt
With other metal and alloy.Bead flows the most continuously, at bundle target coupling
Close district (region that i.e. line is practiced shooting) and produce neutron or neutrino with high power density line effect,
Meanwhile, deposits heat is also taken out of line coupled zone by solid particle, and at solid particle cooling dress
Put and in 3, thermal conductance is gone out target system 9.
As shown in Fig. 1, Fig. 2 and Fig. 3, the collecting part 1 of target system 9 can be two wide walls
With the rectangle funnel of two narrow wall 12,13 compositions, opening 10 is on the downside of funnel.Opening 10
Place is provided with controlled draw back plate 11, it is possible to open according to beam energy and beam spot size
The regulation of size.The effective length of opening 10 can produce system according to overall neutron and neutrino
Size and the i.e. line penetration depth of beam energy determine, opening 10 is in the length of opening
Side upwardly open the regulative mode of size be by opening 10 at draw back plate 11 from centre to both sides
The centrage symmetry extended relative to the width along opening is opened；Or, opening 10 exists
Open on the length direction of opening the regulative mode of size be by opening 10 at draw back plate 11 even
Continuous unlatching, opens multipair draw back plate 11 the most simultaneously, can not between each pair of draw back plate 11
There is interval, it is necessary to be on adjacent or a pair draw back plate of continuous print 11, the width of opening 10
Can be determined according to line beam spot size, generally its width need to be more than beam spot diameter,
More than (such as 6cm), opening is restrainted according to opening the regulative mode of size in the direction of the width
Speckle size by the draw back plate 11 at opening 10 from centre to both sides relative to the length side along opening
Open to the centrage symmetry extended.As state as shown in Figure 2 can be opened into as required.
Being line target practice position below outlet 10, the collecting part 1 of target system 9 can select resistance to spoke
According to, resistant to elevated temperatures material, such as SiC.The thickness at hopper walls and the end is 0.5～2cm.
As shown in Figure 4, the lower section at target system 9 collecting part 1 opening 10 is provided with convergence
Parts 2, converging parts 2 is the flat cuboid funnel more bigger than collecting part 1 length and width,
The porch of its funnel is provided with sample stage 8, and sample stage 8 is incident (such as figure except high energy beam current
1 arrow B direction) side without vertical baffle 21 outside, its excess-three side is provided with vertical baffle
21, the appropriate location that radiation sample 101 can be positioned over sample stage 8 carries out irradiation experiment.
As Figure 1 and Figure 4, this neutron and neutrino produce incident line B and the target of system
The length direction of the opening 10 of the collecting part 1 of system 9 is parallel, and in the underface of opening,
Line and opening 10 upper and lower, longitudinal separation is adjustable.The rational height of sample stage 8 is with incident
Line height is identical, laboratory sample can be placed on sample stage 8 corresponding according to requirement of experiment
Position.
As it is shown in figure 1, solid particle chiller 3 is arranged on the downstream of collecting part 1, with
The opening 10 of the collecting part 1 of target system 9 connects by converging parts 2, this chiller
3 can use corrugated plate dst counter-flow water cold heat exchanger.Granule to be cooled is in weight from upper entrance
Flow downward under the effect of power, and the cooling water in water cooling heat exchanger is to flow from bottom to top, inhale
Receive the heat that granule carries, and carry it in cold water process loop.Plank frame has list
In the volume of position, heat exchange area is big, and heat exchanger space structure is compact, the feature that the granule resistance of motion is little；
Ripple struction can be remarkably reinforced heat transfer effect；Cooling water can improve with alloying pellet move counter-current
Heat exchanger overall heat exchange efficiency, can ensure enough heat transfer temperature differences with water for cooling working medium.Pass through
Above-mentioned feature, corrugated plate dst counter-flow water cold heat exchanger can ensure coolant and solid particle
While noncontact flowing, reduce heat exchanger volume to greatest extent, it is ensured that enough economy with
Structural strength.
As it is shown in figure 1, granule lifting device 6 is arranged at the downstream of solid particle chiller 3,
Purpose is to supplement recovery storage device 5 by selecting dust arrester 4 to be delivered to granule after heat exchange through sieving
In granule be transmitted back to the top of collecting part 1 of target system 9.Granule lifting device 6 is permissible
Use vertical bucket elevator, motor the loop chain being furnished with loader(-mounted) shovel is driven.Relative to
Other granule type of drive, the main movable member of bucket elevator is endless-chain and driving motor,
Its theory of mechanics is relatively simple, and has higher cooperation tolerance.Its endless-chain vertical-lift
Mode so that it has higher work efficiency.Optionally, it is possible to use electromagnetism
Lifting system.
Such as Fig. 1, shown in Fig. 2, Fig. 3, Fig. 4, under original state, the collection of target system 9
All draw back plates 11 of parts 1 opening 10 are in whole closure states, and solid grain target is from target system
The exit converging pipeline 7 above in the of 9 is injected in collecting part 1 under gravity, solid
Granule draw back plate 11 after converging to setting height is opened into according to beam energy and beam spot size
Preset yardstick, now solid particle opening from the collecting part 1 of target system 9 under gravity
Even drop down at mouth 10.Immediately below solid particle in dropping process and bell mouth and be parallel to
The high energy beam current B of the length direction of the long limit of bell mouth or opening reacts (such as Fig. 1 arrow B
Direction), produce high-throughout neutron or neutrino, neutron or the neutrino of generation may act on
Laboratory sample 101 on sample stage 8.As it has been described above, the direction of line B and collecting part 1
The long limit of opening 10 or the length direction of opening are parallel, with the upper and lower of opening 10 and longitudinal separation
Adjustable, and the height of sample stage 8 changes the most therewith.The laboratory sample in sample stage 8 is made to be subject to
To anticipated neutron or neutrino radiation dose.Multistage sample can be provided with on sample stage 8
Platform.Solid particle after reacting tumbles under gravity and converges in parts 2 to lower section,
Subsequently in solid particle chiller 3, the heat that absorbing particles carries.After cooling
Grain enters screening dust arrester 4 immediately, and screening dust arrester 4 can be that plain particles screens dedusting
Device, it is possible to screen dust arrester for electromagnetic particle.Through screening dedusting after standard compliant
Granule is transported to granule and supplements and reclaim in storage device 5, if granule supplements recovery and deposits after testing
Granule in storage device 5 is less than setting threshold value, then it supplements to need outer bound pair, meanwhile,
Granule can be stored the granule target supplemented in retracting device 3 and be delivered to target system by granule lifting device 6
The upstream of system 9, by converging pipeline 7, enters target system 9, and the neutron carrying out next round is anti-
Should.
According to above-described embodiment of the present utility model, it is provided that a kind of for small-sized high flux high energy
The target system 9 in neutron and neutrino source, to solve existing IFMIF neutron source target at running
In the jet impact that causes due to hydromechanical unstability and hot pollution etc. ask
Topic.
In target system 9, use fluidization solid particle, and the flat funnel of long opening, with much money
Free-falling under gravity after convergence pipeline 7 output above funnel of the metal particles target, and
Flowing out from bell mouth, line impinges perpendicularly on fluidized particles target at flat funnel openings by focusing
On, solid particle produces neutron or neutrino at this with line generation nuclear reaction.
The solid particle chiller 3 that neutron and neutrino produce in system 100 is arranged on collection
The downstream of parts 1, this granule chiller can use corrugated plate dst counter-flow water cold heat exchanger.?
Grain chiller 3 is responsible for the heat that granule is taken out of from target system 9 is shifted to secondary circuit.Granule supplements
Reclaim storage device 5 and be arranged on the downstream of solid particle chiller 3, be used for storing supplementary heat exchange
After granule, and emptying system and control system endoparticle total amount when of can needing afterwards.
The effect of granule lifting device 6 is granule to supplement the granule reclaimed in storage device 5 be delivered to
The top of collecting part 1, carries out the nuclear reaction of next round.This granule lifting device 6 can use vertical
Straight bucket elevator, is driven the loop chain being furnished with loader(-mounted) shovel by motor.Optionally,
It is used as electromagnetism and promotes system.
According to embodiment of the present utility model, the solid particle used with use in the world at present
High power density liquid injection lithium target compare, can effectively solve its in running due to stream
The unstability of mechanics and the jet impact that causes, hence it is evident that improve the stability that neutron produces；
Owing to using the funnel openings of flat, and devising adjustable openings, this design can adjust stream
Go out thickness and the length of granule stream, so as to according to different-energy or the bundle of different beam spot size
Stream regulates that (and the presently disclosed existing substantially circular funnel of target type, outlet is in circle at any time
Shape, its shortcoming is that stream portion has curvature so that incident line the direction of propagation penetrate away from
From uneven, the speed difference of stream portion radially granule is relatively big simultaneously, is unfavorable for optimizing material
Material utilization rate)；Secondly, stream continuous to accelerator can be reduced strong and hot environmental protection
Require to reduce cost, also can be greatly shortened the lead time；Furthermore, solid particle can will produce
Heat taken out of to granule heat exchanger from target system by the flowing of granule, and be allowed to shift to two times
Road, effectively solves the heat transfer problem of neutron source；Additionally, the neutron of embodiment of the present utility model
Producing system structure simply with neutrino, size is substantially reduced, and can effectively reduce cost.
Embodiment of above is merely to illustrate this utility model, and not to limit of the present utility model
System, about the those of ordinary skill of technical field, without departing from spirit of the present utility model and model
In the case of enclosing, it is also possible to make a variety of changes and modification, the technical scheme of the most all equivalents
Falling within category of the present utility model, scope of patent protection of the present utility model should be by claim
Limit.
Claims (13)
1. a target system, described target system produces at least one in system and neutrino generation system for neutron, it is characterised in that described target system includes:
Solid particle as target body；
Collecting part, described collecting part is used for collecting solid particle, and wherein the bottom of collecting part has opening；And
For regulating the regulation parts of the size of this opening.
Target system the most according to claim 1, it is characterised in that
Described opening has substantially rectangular shape.
Target system the most according to claim 1, it is characterised in that
Described collecting part has top and general funnel like bottom, and in approximate horizontal plane, the bottom of described collecting part has substantially rectangular cross sectional shape, and the bottom of the bottom of described collecting part is opening, to constitute described opening.
4. according to the target system described in Claims 2 or 3, it is characterised in that
Described regulation parts are draw back plates, and described draw back plate can translate.
Target system the most according to claim 4, it is characterised in that
Described draw back plate can substantially translate on the width of described opening.
Target system the most according to claim 5, it is characterised in that
Described draw back plate includes relative to the symmetrically arranged paired draw back plate of straight line extended on the length direction of described opening.
Target system the most according to claim 6, it is characterised in that
Described straight line is the centrage extended on the length direction of described opening.
Target system the most according to claim 4, it is characterised in that
The edge of described draw back plate has end difference, the end difference shape complementarity of the neighboring edge of adjacent draw back plate.
Target system the most according to claim 8, it is characterised in that
Described draw back plate is formed by two overlapping plates.
10. according to the target system described in any one in claim 5 to 7, it is characterised in that
The edge of described draw back plate has end difference, the end difference shape complementarity of the neighboring edge of adjacent draw back plate.
11. target systems according to claim 10, it is characterised in that
Described draw back plate is formed by two overlapping plates.
12. 1 kinds for producing the system of neutron and/or neutrino, it is characterised in that including:
Target system described in claim 1.
13. systems for producing neutron and/or neutrino according to claim 12, it is characterised in that
Described opening has substantially rectangular shape, and
The described system for producing neutron and/or neutrino also includes:
Line launches part, and the direction that described line launches the line that part is launched is almost parallel with the length direction of described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244814.4U CN205648167U (en) | 2016-03-28 | 2016-03-28 | System for target system with have a target system be used for producing neutron and/or neutrino |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244814.4U CN205648167U (en) | 2016-03-28 | 2016-03-28 | System for target system with have a target system be used for producing neutron and/or neutrino |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682335A (en) * | 2016-03-28 | 2016-06-15 | 中国科学院近代物理研究所 | Target system and system provided with target system for generating neutrons and/or neutrinos |
| CN109785987A (en) * | 2018-12-29 | 2019-05-21 | 中国科学院近代物理研究所 | A kind of tungsten alloy particle spallation target material |
-
2016
- 2016-03-28 CN CN201620244814.4U patent/CN205648167U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682335A (en) * | 2016-03-28 | 2016-06-15 | 中国科学院近代物理研究所 | Target system and system provided with target system for generating neutrons and/or neutrinos |
| CN105682335B (en) * | 2016-03-28 | 2019-09-27 | 中国科学院近代物理研究所 | Target system and the system for generating neutron and/or neutrino with target system |
| CN109785987A (en) * | 2018-12-29 | 2019-05-21 | 中国科学院近代物理研究所 | A kind of tungsten alloy particle spallation target material |
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