CN205648168U - 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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- CN205648168U CN205648168U CN201620252720.1U CN201620252720U CN205648168U CN 205648168 U CN205648168 U CN 205648168U CN 201620252720 U CN201620252720 U CN 201620252720U CN 205648168 U CN205648168 U CN 205648168U
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Abstract
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, and first passageway part, first passageway part has the first passageway for the horizontal direction slope that is used for solid particle to pass through, first passageway part has first diapire, and at two the first side walls that side marginal portion set up of first diapire, the lower extreme of solid particle along first diapire from first passageway leaves first passageway part for line and the solid particle interact who leaves first passageway part. According to the utility model discloses an embodiment, for example can the optimized utilization grain flow efflux between two slanting tunnel, production neutron and/or neutrino to effectively reduce strong radioactive contamination problem.
Description
Technical field
Embodiment of the present utility model relates to a kind of target system and has the system for producing neutron and/or neutrino of this target system
Background technology:
Spallation target can be applied to, as a kind of efficient neutron source and neutrino source, the different field applied from basic research to tip.The most every big science engineering is very urgent for the demand of high power neutron source, but is limited to the problem such as material, heat radiation, utilizes traditional neutron source technology to be difficult to have further breakthrough on raising spallation target power again.In fusion reactor material irradiation damage is studied, there is no suitable neutron source in the world for correlational study at present, the neutron flux that traditional accelerator deuterium tritium neutron source produces is limited, it is exclusively used in neutron source project IFMIF (international fusion reactor material irradiation devices) of fusion reactor material research although higher neutron flux and the total yield of neutron can be produced, but its technical difficulty and investment are the hugest, and the lead time is very long.Additionally, along with the research of neutrino becomes the hot issue of current basic scientific research, set up neutrino factory, producing substantial amounts of applicable neutrino becomes a urgent problem.
Utility model content
The purpose of embodiment of the present utility model is to provide a kind of target system and has the system for producing neutron and/or neutrino of this target system, the most such as, can optimize the jet of granule stream, to produce neutron and/or neutrino.
Embodiment of the present utility model provides a kind of target system, and described target system produces at least one in system and neutrino generation system for neutron, and described target system includes: as the solid particle of target body；And first passage parts, described first passage parts have the first passage tilted relative to horizontal direction passed through for solid particle, described first passage parts have the first diapire, at two the first side walls that two lateral edge portions of the first diapire are arranged, solid particle leaves first passage parts along the first diapire from the lower end of first passage, interacts for line and the solid particle leaving first passage parts.
According to embodiment of the present utility model, described target system also includes: second channel parts, described second channel parts have the second channel tilted relative to horizontal direction passed through for solid particle, the upper end of second channel parts is positioned at the lower section of the lower end of first passage parts, in the opening upward leaving the upper end that the solid particle of first passage parts falls into second channel parts.
According to embodiment of the present utility model, described second channel parts have the second diapire, two the second sidewalls that two lateral edge portions at the second diapire are arranged.
According to embodiment of the present utility model, second channel parts also have the sidewall being positioned at upper end, and solid particle leaves second channel parts from the lower end of second channel parts.
According to embodiment of the present utility model, described target system also includes: collecting part, and described collecting part is arranged on the upstream of first passage parts, is used for collecting solid particle, and wherein collecting part has opening；And for switching the gate of this opening, wherein when gate opening, the solid particle being collected in collecting part flows into first passage parts.
According to embodiment of the present utility model, the diapire limiting described opening of described collecting part and two sidewalls respectively with the first diapire and the upper end of two the first side walls of described first passage parts, the opening of described collecting part is towards the opening of the upper end of the first passage of first passage parts.
According to embodiment of the present utility model, first passage parts are channel parts.
According to embodiment of the present utility model, second channel parts are channel parts.
According to embodiment of the present utility model,
Embodiment of the present utility model provides a kind of system for producing neutron and/or neutrino, and this system being used for producing neutron and/or neutrino includes: above-mentioned target system.
According to embodiment of the present utility model, the described system being used for producing neutron and/or neutrino also includes: line launches part, and described line launches the line that part is launched and the solid particle effect leaving first passage parts, to produce neutron and/or neutrino.
According to embodiment of the present utility model, such as, can optimize the jet of granule stream, to produce neutron and/or neutrino.
Accompanying drawing explanation
Fig. 1 is the overall schematic that the neutron according to this utility model embodiment and/or neutrino produce system；
Fig. 2 is the schematic diagram of the target system of the neutron according to this utility model embodiment and/or neutrino generation system.
Detailed description of the invention
Below in conjunction with Figure of description, detailed description of the invention of the present utility model is described.
If Fig. 1 is to shown in 2, neutron and/or neutrino according to embodiment of the present utility model produce system 100 and specifically include that target system 10 and solid particle chiller 5, screening dust arrester 6, granule supplementary recovery storage device 7, granule lifting device 8, converge the auxiliary device such as pipeline 9, and described auxiliary device is for the upper end by solid particle cooling, dedusting the collecting part 1 being sent to described target system 10.
Seeing 1 to 2, the target system 10 producing system for neutron and/or neutrino includes: as the flow solids granule of target body；First passage parts (the following example guiding chute members 2 to be first passage parts), described first passage parts have the first passage tilted relative to horizontal direction passed through for solid particle, described first passage parts have the first diapire 14, at two the first side walls 12,13 that two lateral edge portions of the first diapire 14 are arranged, solid particle leaves first passage parts along the first diapire 14 from the lower end of first passage, interacts for line and the solid particle leaving first passage parts.The solid particle leaving first passage parts can be directly entered convergence funnel 4.First passage parts can be channel parts or duct member.First passage can have substantially rectangular cross section.The opening of the lower end of first passage can be substantially rectangular opening.First diapire can be vertical with the first side wall.First diapire and the first side wall can be formed by flat board.First diapire cross section in the direction of the width can be with horizontal direction parallel.
Seeing Fig. 1 to 2, also include for producing the system 100 of neutron and/or neutrino: line launches part, described line is launched the line of part transmitting and leaves the solid particle effect of first passage parts, to produce neutron and/or neutrino.
See 1 to 2, target system 10 also includes: second channel parts (the following example that collection chute parts 3 are second channel parts), described second channel parts have the second channel tilted relative to horizontal direction passed through for solid particle, the upper end of second channel parts is positioned at the lower section of the lower end of first passage parts, in the opening upward leaving the upper end that the solid particle of first passage parts falls into second channel parts.Described second channel parts have the second diapire 18, two the second sidewalls 15,17 that two lateral edge portions at the second diapire 18 are arranged.Second channel parts can also have another second sidewall 16 being positioned at upper end, and solid particle leaves second channel parts from the lower end of second channel parts.Second channel parts can be channel parts or duct member.Second channel can have substantially rectangular cross section.The width of second channel can be more than or equal to the width of first passage.
As illustrated in fig. 1 and 2, target system 10 also includes: for collecting the collecting part 1 of solid particle；Described collecting part 1 is arranged on the upstream of first passage parts, is used for collecting solid particle, and collecting part has opening；And for switching the gate 11 of this opening, when gate 11 is opened, the solid particle being collected in collecting part 1 flows into first passage parts.According to example of the present utility model, the diapire limiting described opening of described collecting part 1 and two sidewalls respectively with the first diapire 14 and the 12 of two the first side walls, 13 upper end of described first passage parts, the opening of described collecting part 1 is towards the opening of the upper end of the first passage of first passage parts.The opening of collecting part can be rectangular aperture.
Described first passage parts could be for solid particle is guided the guiding chute members 2 to line active region；Second channel parts could be for solid particle reacted with line is guided the collection chute parts 3 to components downstream.Target system 10 also includes the convergence funnel 4 that the solid particle in collection chute parts 3 after reaction converges at solid particle chiller 5.Guiding chute members 2 to be arranged on the downstream of collecting part 1, be collection chute parts 3 below, the solid particle chiller 5 for cooling solid granule is arranged on the downstream converging funnel 4.Solid particle, under the force of gravity by collecting part 1, arrives each parts in downstream.Being provided with controlled gate 11 at collecting part 1, the switch size of gate 11 can be adjusted according to the size of actual line beam spot.Solid particle can have spheroid form, such as spherosome shape, spheroid shape or other spheroid form that can roll.As Fig. 1 is to shown in 2, and described collecting part 1 can be the reservoirs with controllable gate, it is also possible to be the funnel type with controllable valve.Described guiding chute members 2 and collection chute parts 3 can be respectively one with sidewall and lower outlet without the skewed slot of sidewall, and the ratio of collection chute parts 3 guides the cross section of chute members 2 the widest.
As in figure 2 it is shown, described guiding chute members 2 and collection chute parts 3, its profile can be all to tilt tank type, such as, can have substantially rectangular cross section.Described guiding chute members 2 includes two sidewalls 12,13 and diapire 14, and collection chute parts 3 include three sidewalls 15,16,17 and diapire 18.Guide the upside of chute members 2 without sidewall, its opening part is connected by axle with the diapire in gate 11 exit of collecting part 1, such as, is articulated and connected, guiding the angle between chute members 2 and collection chute parts 3 and horizontal plane adjustable, adjusting range is between 15 degree to 45 degree.The position of collection chute parts 3 is arranged at the underface guiding chute members 2, and the most staggered with it.
As it is shown in figure 1, described auxiliary device includes solid particle chiller 5, screening dust arrester 6 and granule lifting device 8.The function of solid particle chiller 5 is to be taken away by the heat that granule produces at target system 10.The function of screening dust arrester 6 is to remove the crushed particles in granule and dust.The upper end of granule lifting device 8 is provided with convergence pipeline 9, for solid particle supplies the collecting part 1 of target system 10.Also include additionally, neutron and/or neutrino produce system 100: the granule being arranged on screening dust arrester 6 downstream stores and supplementary device 7.
In embodiment of the present utility model, it is a kind of small-sized high flux high-energy neutron and/or neutrino source that neutron and/or neutrino produce system, in this neutron and/or neutrino source, ion is produced from electron cyclotron resonace type (ECR) ion source, ion generates high power density line after transfers line, radio frequency four polar field (RFQ) accelerator, middle energy transmission line and superconduction accelerating sections, high power density line reacts with solid heavy metals granule target, produces the neutron and/or neutrino needed.
Target material can select beryllium alloy or tungsten alloy granule etc., its particle diameter may be about 0.1～0.5mm, beryllium alloy can use beryllium tungsten alloy, beryllium titanium alloy, beryllium rhenium alloys and relevant ternary alloy three-partalloy, such as Be-W-X alloy (wherein X is Re, Ta, Fe etc.), or uses other metal and alloy.Bead flows the most continuously; neutron and/or neutrino is produced with high power density line effect in bundle target coupled zone (region that i.e. line is practiced shooting); simultaneously; deposits heat is also taken out of line coupled zone by solid particle, and thermal conductance goes out in solid particle chiller 5 target system 10.
As Fig. 1 is to shown in 2, and target system 10 is made up of collecting part 1, guiding chute members 2, collection chute parts 3 and convergence funnel 4.Guiding the collecting part 1 above chute members 2 to may be configured as the reservoirs structure with controllable gate 11, the big I of opening of gate 11 carries out the regulation of outlet height according to the size of line beam spot.It is the part of particle jet below guiding chute members 2, is line target practice position (as shown by the arrows in figure 2).Herein, solid particle flows out the most under gravity at the gate 11 of collecting part 1, tumble downwards along guiding chute members 2, freely dish out or jet when arriving and guiding chute members 2 lower exit port, line reacts with the solid particle target dished out or jet goes out, and produces neutron and/or the neutrino of predetermined close.The guiding chute members 2 of target system 10 and collection chute parts 3 can select resistance to irradiation, resistant to elevated temperatures material, such as SiC.The thickness at chute wall and the end is 0.5～2cm.Guide chute members 2 to export line target practice region (or for restrainting target coupled zone), be arranged as required to the sample stage for placing laboratory sample.
As shown in Figure 1 and Figure 2, this neutron and/or neutrino produce the incident line B of system 100 and can be parallel in the direction of the arrow guide chute members 2 outlet edge, such as, the edge of the lower end of diapire 14, and vertical with the target granule tangential direction dished out or jet goes out, and act on it.In addition, the direction of incident line B can also be adjusted as required.As illustrated in fig. 1 and 2, guide chute members 2 and collection chute parts 3 in the vertical direction spaced apart, incident line B is guiding the neutral gear between chute members 2 and collection chute parts 3, its with guide chute members 2 bottom opening edge, such as, the edge of the lower end of diapire 14, angle be α, wherein 0 °≤α ＜ 360 °, i.e. can make line can get to granule target in the range of angle α and will not hit again each skewed slot sidewall.Incident line B with dish out or the distance of target granule that jet goes out is adjustable.Can arrange sample stage in neutron and/or neutrino produce region as required, the rational height of sample stage is identical with line, and arranging position can be adjusted according to experiment needs.
As it is shown in figure 1, solid particle chiller 5 is connected with the convergence funnel 4 of target system 10, this chiller 5 can use corrugated plate dst counter-flow water cold heat exchanger.Granule to be cooled flows downward at upper entrance under gravity, and the cooling water in water cooling heat exchanger is to flow from bottom to top, the heat that absorbing particles carries, and carries it in cold water process loop.In plank frame has unit volume, heat exchange area is big, and heat exchanger space structure is compact, and granule motion hinders little feature；Ripple struction can be remarkably reinforced heat transfer effect；Cooling water can improve heat exchanger overall heat exchange efficiency with alloying pellet move counter-current, can ensure enough heat transfer temperature differences with water for cooling working medium.By above-mentioned feature, while corrugated plate dst counter-flow water cold heat exchanger can flow with solid particle noncontact ensureing coolant, reduce heat exchanger volume to greatest extent, it is ensured that enough economy and structural strengths.
As it is shown in figure 1, granule lifting device 8 is arranged at the downstream of solid particle chiller 7, it is therefore an objective to supplement, by selecting dust arrester 6 to be delivered to granule after heat exchange through sieving, the top that the granule reclaimed in storage device 7 is transmitted back to the collecting part 1 of target system 10.Granule lifting device 8 can use vertical bucket elevator, motor be driven the loop chain being furnished with loader(-mounted) shovel.Relative to other granule type of drive, the main movable member of bucket elevator is endless-chain and driving motor, and its theory of mechanics is relatively simple, and has higher cooperation tolerance.The mode of its endless-chain vertical-lift so that it has higher work efficiency.Optionally, it is possible to use electromagnetism promotes system.
Such as Fig. 1, shown in Fig. 2, under original state, the gate 11 of the collecting part 1 of target system 10 completely closes, granule injects collecting part 1 in the exit converging pipeline 9 of collecting part 1 above target system 10 under gravity, the gate 11 of granule collecting part 1 after converging to setting height opens into preset height according to line beam spot size, now granule flows out from the outlet of gate 11 under gravity, guiding chute members 2 along target system 10 tumbles downwards, when arriving guiding 2 times outlets of chute members, granule is spilled over due to inertia and gravity or jet goes out, it is spilled over or granule that jet goes out reacts with high energy beam current B the high-throughout neutron of generation and/or neutrino in dropping process, the high-throughout neutron and/or the neutrino that produce act on the laboratory sample of sample stage.Line is adjustable with the distance guiding chute members 2 outlet, and the height of sample stage changes the most therewith, makes the laboratory sample in sample stage be obtained in that anticipated neutron and/or neutrino radiation dose.Reacted granule falls in collection chute parts 3, imports therewith and converges funnel 4, subsequently in solid particle chiller 5, the heat that absorbing particles carries.Granule after cooling enters screening dust arrester 6 immediately, and screening dust arrester 6 can be that plain particles screens dust arrester, it is possible to screens dust arrester for electromagnetic particle.Standard compliant granule after screening dedusting is transported to granule and supplements in recovery storage device 7, if finding after testing, granule supplements the granule reclaimed in storage device 7 less than setting threshold value, it supplements then to need outer bound pair, meanwhile, granule can be supplemented the granule target reclaimed in storage device 7 and be delivered to the upstream of target system 10 by granule lifting device 8, by converging pipeline 9, enter target system 10, carry out the neutron reaction of next round.
According to above-described embodiment of the present utility model, provide a kind of for small-sized high flux high-energy neutron and/or the target system 10 in neutrino source, in order to solve the problems such as jet impact and hot pollution that existing IFMIF neutron source target causes in running due to hydromechanical unstability, solve the problem of thermal stress in granule target simultaneously.
Neutron and/or neutrino produce the solid particle chiller 5 in system 100 and are arranged on the downstream converging funnel 4, and this solid particle chiller 5 can use corrugated plate dst counter-flow water cold heat exchanger.Solid particle chiller 5 is responsible for the heat that granule is taken out of from target system 10 is shifted to secondary circuit.Granule supplements and reclaims storage device 7 and be arranged on the downstream of solid particle chiller 5, and granule after storing supplementary heat exchange is, and emptying system and control system endoparticle total amount when of can needing afterwards.The effect of granule lifting device 8 is granule to supplement the granule reclaimed in storage device 7 be delivered to, above collecting part 1, carry out the nuclear reaction of next round.This granule lifting device 8 can use vertical bucket elevator, motor be driven the loop chain being furnished with loader(-mounted) shovel.Optionally, it is possible to use electromagnetism promotes system.
According to embodiment of the present utility model, the solid particle used is compared with the high power density liquid injection lithium target used in the world at present, can effectively solve the impact of its jet caused in running due to hydromechanical unstability, hence it is evident that improve the stability that neutron produces；Owing to this utility model uses two grades of stepped skewed slot designs, and it is provided with adjustable openings, can be according to the line of different beam spot sizes, by the gate 11 at collecting part 1 is carried out up-down adjustment, the grain thickness guiding chute members exit jet to go out can be adjusted at any time；Secondly, the utilization rate of material can effectively be optimized.Due to the presently disclosed existing substantially circular funnel of target type, export rounded, its shortcoming is that stream portion has curvature, make the incident line penetration range in the direction of propagation uneven, the speed difference of stream portion radially granule is bigger simultaneously, it is unfavorable for optimizing the utilization rate of material, and the granule target neat in edge that in this utility model, jet goes out, the shortcoming effectively overcoming existing circular funnel target；Furthermore, the heat of generation can be taken out of to solid particle chiller from target system by solid particle by the flowing of granule, and is allowed to shift to secondary circuit, effectively solves the heat transfer problem of neutron source；Additionally, the neutron of embodiment of the present utility model and/or neutrino produce system structure simply, size is substantially reduced, and can effectively reduce cost.
Embodiment of above is merely to illustrate this utility model; and be not limitation of the utility model; those of ordinary skill about technical field; in the case of without departing from spirit and scope of the present utility model; can also make a variety of changes and modification; the technical scheme of the most all equivalents falls within category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. a target system, described target system produces system for neutron and neutrino produces system
At least one in system, it is characterised in that described target system includes:
Solid particle as target body；And
First passage parts, described first passage parts have for solid particle pass through relative
In the first passage that horizontal direction tilts, described first passage parts have the first diapire, the
Two the first side walls that two lateral edge portions of one diapire are arranged, solid particle is along first end
Wall leaves first passage parts from the lower end of first passage, for line with leave first passage portion
The solid particle of part interacts.
Target system the most according to claim 1, it is characterised in that also include:
Second channel parts, described second channel parts have for solid particle pass through relative
In the second channel that horizontal direction tilts, the upper end of second channel parts is positioned at first passage parts
The lower section of lower end, fall into second channel parts for leaving the solid particle of first passage parts
Upper end opening upward in.
Target system the most according to claim 2, it is characterised in that:
Described second channel parts have the second diapire, in two lateral edge portions of the second diapire
Two the second sidewalls arranged.
Target system the most according to claim 3, it is characterised in that
Second channel parts also have another second sidewall being positioned at upper end, and solid particle is from
Second channel parts are left in the lower end of two passage components.
Target system the most according to claim 1, it is characterised in that also include:
Collecting part, described collecting part is arranged on the upstream of first passage parts, is used for collecting
Solid particle, wherein collecting part has opening；And
For switching the gate of this opening, wherein when gate opening, it is collected in collecting part
Solid particle flow into first passage parts.
Target system the most according to claim 5, it is characterised in that:
The diapire limiting described opening of described collecting part and two sidewalls are respectively with described the
First diapire of one passage component and the upper end of two the first side walls, described collecting part
Opening is towards the opening of the upper end of the first passage of first passage parts.
Target system the most according to claim 1, it is characterised in that:
First passage parts are channel parts.
Target system the most according to claim 2, it is characterised in that:
Second channel parts are channel parts.
9. the system being used for producing neutron and/or neutrino, it is characterised in that including:
Target system described in claim 1.
System for producing neutron and/or neutrino the most according to claim 9,
It is characterized in that, also include:
Line launch part, described line launch part launch line with leave first passage parts
Solid particle effect, to produce neutron and/or neutrino.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252720.1U CN205648168U (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 |
|---|---|---|---|
| CN201620252720.1U CN205648168U (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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| Publication Number | Publication Date |
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| CN205648168U true CN205648168U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620252720.1U Withdrawn - After Issue CN205648168U (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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722296A (en) * | 2016-03-28 | 2016-06-29 | 中国科学院近代物理研究所 | Target system and system provided with same and used for generating neutrons and/or neutrinos |
-
2016
- 2016-03-28 CN CN201620252720.1U patent/CN205648168U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722296A (en) * | 2016-03-28 | 2016-06-29 | 中国科学院近代物理研究所 | Target system and system provided with same and used for generating neutrons and/or neutrinos |
| CN105722296B (en) * | 2016-03-28 | 2018-09-21 | 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 |
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