CN103594137B - A kind of spallation neutron source target - Google Patents
A kind of spallation neutron source target Download PDFInfo
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- CN103594137B CN103594137B CN201310541394.7A CN201310541394A CN103594137B CN 103594137 B CN103594137 B CN 103594137B CN 201310541394 A CN201310541394 A CN 201310541394A CN 103594137 B CN103594137 B CN 103594137B
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Abstract
The present invention provides a kind of spallation neutron source target, target container including single layer structure, described target container has target sheet installation cavity, the front end of described target container is provided with target window, rear end is provided with cooling liquid inlet and cooling liquid outlet, it is arranged side by side multiple target sheet from A-P in described target sheet installation cavity, between every two adjacent described target sheets, there is coolant flow gap.The spallation neutron source target that the present invention provides is single layer structure, and cooled liquid import and cooling liquid outlet form a cooling circuit, simple in construction in target sheet installation cavity, it is easy to processing.
Description
Technical field
The present invention relates to a kind of hash neutron source target.
Background technology
Spallation neutron target is the important device of research material microstructure.It can pass through high energy proton bombardment
The a large amount of neutron of heavy metal target output, tests moderation of neutrons drawing material, and measures material
Internal structure and dynamic information.Only has a few countries (U.S., Japan, English the most in the world
State, Switzerland) there is spallation neutron target device.Due to proton bombardment target, it is thus achieved that can produce while neutron
Substantial amounts of heat, needs cooling liquid to cool down target body, and spallation neutron source target typically has two classes, Yi Zhongshi
Liquid target, such as Hg, take away part heat by circulating of mercury self, and it is applicable to height
The spallation neutron source target of power, the spallation neutron target of the U.S. and Japan is exactly the liquid target used；Another
Planting is solid target, is to use the solid metal that the atomic number such as tungsten or uranium is big to do target.But, no
The existing liquid target of opinion or solid, it is complicated to there is structure in it, the problem being difficult to processing.
Summary of the invention
Brief overview about the present invention given below, in order to some side about the present invention is provided
The basic comprehension in face.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It
It is not intended to determine the key of the present invention or pith, is not the model of the intended limitation present invention
Enclose.Its purpose is only to provide some concept in simplified form, more detailed in this, as discuss after a while
The thin preamble described.
The present invention provides a kind of simple in construction, it is easy to the hash neutron source target of processing.
The present invention provides a kind of spallation neutron source target, including the target container of single layer structure, described target container
Having target sheet installation cavity, the front end of described target container is provided with target window, rear end is provided with cooling liquid inlet
And it has been arranged side by side multiple target sheet, every two-phase from A-P in cooling liquid outlet, described target sheet installation cavity
Between adjacent described target sheet, there is coolant flow gap.
The spallation neutron source target that the present invention provides is single layer structure, and cooled liquid import and coolant go out
Mouth forms a cooling circuit, simple in construction in target sheet installation cavity, it is easy to processing.
Accompanying drawing explanation
Below with reference to the accompanying drawings illustrate embodiments of the invention, the present invention can be more readily understood that
Above and other objects, features and advantages.Parts in accompanying drawing are intended merely to illustrate that the present invention's is former
Reason.In the accompanying drawings, same or similar technical characteristic or parts will use same or similar accompanying drawing
Mark represents.
The explosive view of the spallation neutron source target that Fig. 1 provides for the embodiment of the present invention；
The front view of the cell body of the spallation neutron source target that Fig. 2 provides for the embodiment of the present invention；
Fig. 3 is the G-G sectional view of Fig. 2；
Fig. 4 is the stereogram of Fig. 2；
Fig. 5 is the partial enlarged drawing I of Fig. 3.
Detailed description of the invention
Embodiments of the invention are described with reference to the accompanying drawings.An accompanying drawing or a kind of real in the present invention
Execute the element described in mode and feature can with in one or more other accompanying drawing or embodiment
The element and the feature that illustrate combine.It should be noted that, for purposes of clarity, accompanying drawing and explanation save
Omit unrelated to the invention, parts known to persons of ordinary skill in the art and the expression of process and retouched
State.
The explosive view of the spallation neutron source target that Fig. 1 provides for the embodiment of the present invention.As it is shown in figure 1, this
The spallation neutron source target that inventive embodiments provides includes the target container of single layer structure, and target container has target sheet
Installation cavity 9, the front end of target container is provided with target window 4, rear end is provided with cooling liquid inlet 8 and cooling
Liquid outlet 7, has been arranged side by side multiple target sheet 3, every two-phase from A-P in described target sheet installation cavity 9
Between adjacent target sheet 3, there is coolant flow gap.By coolant flow gap shape between target sheet 3
Become the type of cooling of concurrent flow, to optimize cooling performance.
Front end refers to meet the one end to neutron source herein.
The spallation neutron source target that the present invention provides is single layer structure, and cooled liquid import 8 and coolant
Outlet 7 forms a cooling circuit, simple in construction in target sheet installation cavity 9, it is easy to processing.
In order to, under conditions of meeting engineer applied, reduce the difficulty of processing of this spallation neutron source target, then
Target window 4 use to the middle part of target sheet installation cavity 9 depression be the face of cylinder, two ends be the structure of spherical.
It will be understood by those skilled in the art that the face of cylinder of indication herein and spherical be only complete circle cylinder with
The part in complete spherical face.
In order to improve produce neutron efficiency, multiple target sheets 3 being arranged side by side, from A-P thickness by
Gradual change is big, namely in the adjacent target sheet 3 of each two the thickness of later more than previous thickness.
In actually used, the material of target sheet is at least any one in the heavy metals such as tungsten, uranium and lead.
See also Fig. 2, Fig. 3, owing to the caloric value of former target sheets 3 is relatively big, then install at target sheet
The top in chamber and/or bottom are provided with cooling liquid flowing channel 5, and cooling liquid flowing channel 5 is positioned at target sheet and installs
The front portion in chamber 9 so that the target sheet 3 being positioned at front portion can contact with more coolant, improves target
The heat-sinking capability of sheet 3.
Specifically, cooling liquid flowing channel 5 with corresponding target sheet 3 just to setting, namely cooling liquid flowing channel 5
Just top and/or the bottom to target sheet 3.
Cooling liquid inlet 8 and cooling liquid outlet 7 are placed in the both sides of target sheet 3.Then coolant is from target sheet
The side cooled liquid flow clearance of 3 flow to the opposite side of target sheet 3, is flowing through between coolant flow
During gap, target sheet 3 is cooled down.At least bottom of target sheet installation cavity 9 is provided with convex tendon 10 and (separately joins
See Fig. 4, Fig. 5), convex tendon 10 forms coolant flow gap in order to separate two adjacent target sheets 3.
Owing to the caloric value of former target sheets 3 is relatively big, then it is positioned at the target sheet 3 of target sheet installation cavity 9 front portion
On be provided with thermocouple 2.The temperature of former target sheets 3 is monitored by thermocouple 2.
Specifically, as one of which implementation, it is positioned at five target sheets of target sheet installation cavity 9 front portion
Thermocouple 2 it is provided with, certainly, according to actual needs, it is also possible on the target sheet of other quantity on 3
Corresponding thermocouple is set.
Specifically, target container includes that cell body 6 and lid are loaded on the cover plate 1 of described cell body 6 opening part, groove
Body 6 and cover plate 1, by electron beam welded seal, seal reliable, deform little.
Thermocouple 2 is connected to target sheet 3 through cover plate 1, and thermocouple 2 seals with cover plate 1 and coordinates,
Prevent coolant from revealing with cover plate 1 junction from thermocouple 2.
Last it is noted that above example is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be repaiied by it
Change, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, not
The essence making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a spallation neutron source target, it is characterised in that include the target container of single layer structure, described
Target container has target sheet installation cavity, and the front end of described target container is provided with target window, rear end is provided with cooling
Liquid import and cooling liquid outlet, be arranged side by side multiple target sheet from A-P in described target sheet installation cavity,
There is between every two adjacent described target sheets coolant flow gap, the top of described target sheet installation cavity and/
Or bottom is provided with cooling liquid flowing channel, and before described cooling liquid flowing channel is positioned at described target sheet installation cavity
Portion, described cooling liquid flowing channel with corresponding described target sheet just to setting；Described cooling liquid flowing channel is positioned at two
Between adjacent described coolant flow gap, the top of described coolant flow channel and corresponding described target sheet and
/ or bottom the most right.
Spallation neutron source target the most according to claim 1, it is characterised in that described target window is
To described target sheet installation cavity depression middle part be two ends, the face of cylinder be the structure of spherical.
Spallation neutron source target the most according to claim 1 and 2, it is characterised in that from front extremely
The thickness of rear multiple described target sheet becomes larger；And/or,
The material of described target sheet is at least any one in tungsten, uranium and lead.
Spallation neutron source target the most according to claim 1 and 2, it is characterised in that described cold
But liquid import and described cooling liquid outlet are placed in the both sides of described target sheet, the most described target sheet installation cavity
Bottom be provided with convex tendon, described convex tendon forms coolant flow in order to separate two adjacent described target sheets
Gap.
Spallation neutron source target the most according to claim 1 and 2, it is characterised in that be positioned at institute
State and be provided with thermocouple on the described target sheet that target sheet installation cavity is anterior.
Spallation neutron source target the most according to claim 5, it is characterised in that described target container
Be loaded on the cover plate of described cell body opening part including cell body and lid, described cell body and described cover plate pass through electronics
Bundle welded seal.
Spallation neutron source target the most according to claim 6, it is characterised in that described thermocouple
It is connected to described target sheet through described cover plate, and described thermocouple coordinates with described cover plate for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541394.7A CN103594137B (en) | 2013-11-05 | 2013-11-05 | A kind of spallation neutron source target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541394.7A CN103594137B (en) | 2013-11-05 | 2013-11-05 | A kind of spallation neutron source target |
Publications (2)
| Publication Number | Publication Date |
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| CN103594137A CN103594137A (en) | 2014-02-19 |
| CN103594137B true CN103594137B (en) | 2016-09-07 |
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| CN201310541394.7A Active CN103594137B (en) | 2013-11-05 | 2013-11-05 | A kind of spallation neutron source target |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401354A (en) * | 2018-04-25 | 2018-08-14 | 中国科学院近代物理研究所 | A kind of rotary target for accelerator neutron generator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385757A (en) * | 2016-09-18 | 2017-02-08 | 中国科学院上海应用物理研究所 | Neutron generation target |
| CN107123445A (en) * | 2017-06-08 | 2017-09-01 | 清华大学天津高端装备研究院 | A kind of fenestrate spallation targets of the ADS of laminated structure |
| CN111007560B (en) * | 2019-12-24 | 2022-11-25 | 中国原子能科学研究院 | Neutron production device for quasi-monoenergetic neutron reference radiation field |
| CN111430059A (en) * | 2020-04-08 | 2020-07-17 | 散裂中子源科学中心 | Spallation neutron source target body capable of developing irradiation experiment |
| CN116437555B (en) * | 2022-12-30 | 2024-03-22 | 中子科学研究院(重庆)有限公司 | Neutron target and neutron generator for multi-beam deposition |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180600A (en) * | 1998-12-11 | 2000-06-30 | Hitachi Ltd | Solid target and neutron generator |
| EP1569243A1 (en) * | 2004-02-20 | 2005-08-31 | Ion Beam Applications S.A. | Target device for producing a radioisotope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401354A (en) * | 2018-04-25 | 2018-08-14 | 中国科学院近代物理研究所 | A kind of rotary target for accelerator neutron generator |
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| CN103594137A (en) | 2014-02-19 |
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