CN108901117A - A kind of line window equipment - Google Patents
A kind of line window equipment Download PDFInfo
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- CN108901117A CN108901117A CN201811058478.4A CN201811058478A CN108901117A CN 108901117 A CN108901117 A CN 108901117A CN 201811058478 A CN201811058478 A CN 201811058478A CN 108901117 A CN108901117 A CN 108901117A
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- line window
- layer
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- window
- enhancement layer
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000005240 physical vapour deposition Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004070 electrodeposition Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007641 inkjet printing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 104
- 238000010586 diagram Methods 0.000 description 11
- 238000000151 deposition Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 230000003471 anti-radiation Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
Abstract
The application belongs to accelerator art field, is related to a kind of line window equipment for accelerator more particularly to a kind of line window equipment suitable for high power Gao Liuqiang.The line window equipment includes at least a line window, and the line window includes at least one layer of graphene paper layer.Further, line window can also include enhancement layer, and the fringe region and/or whole region of the graphene paper layer one side or two sides is arranged in the enhancement layer.Beam loss and energy loss when the line window equipment can make line pass through window are greatly reduced, and heat dissipation effect greatly improves, and device thickness is relatively small；And its simple structure, the enhancement layer and graphene paper layer material easy processing of use, security performance are high.
Description
Technical field
The application belongs to accelerator art field, is related to a kind of for the line window equipment of accelerator more particularly to one
Kind is suitable for the line window equipment of high power Gao Liuqiang.
Background technique
Line window is one of important equipment of accelerator, for different atmospheres, such as vacuum and helium to be isolated,
High vacuum and low vacuum etc..Under normal conditions, line just can enter target area after window and carry out target practice or other experimental rings
Border, therefore, line window need to have certain vacuum performance, bearing capacity, heating conduction and high temperature resistance, to avoid a large amount of
The possible adverse effect of heat deposition and harm, such as destroy vacuum.Further, since the working environment of line window, also needs
It wants line window to have certain anti-radiation performance, is influenced window performance by aging is generated after irradiating to avoid window.Line window
The material of low Z number should be also selected as far as possible and reduces thickness, and scattering bring line is generated when line passes through to reduce to the greatest extent
Loss.
On the one hand, current accelerator line window mainly uses metal material, and generally uses water-cooling, thus line
Window general thickness is larger, and scattering and heat deposition problem as caused by metal material, makes beam energy loss and power damage
Lose larger, and heat dissipation effect is very limited.On the other hand, light beam of light source window generally uses beryllium material, and beryllium is toxic, processing
It prepares relatively difficult.
With the development of high power particle accelerator, line window heat transfer, in terms of encounter bottleneck, especially beam
The above window of power 5MW is flowed, at present in the world beyond example.It is suitable for the window equipment of beam power 5MW or more about research,
Temperature and stress are main restricting factors.Even if existing be suitable for 5MW high power line window below, it is also widely present beam
The larger problem of stream loss, power loss.
In other words, the vacuum and anti-radiation demand that should meet the particle accelerator of high power Gao Liuqiang, will also be in window
Having technical breakthrough in terms of heat dissipation and intensity is the direction of current high power line window equipment research.
In view of drawbacks described above in the prior art or deficiency, inventor herein is intended to provide a kind of line window and sets
It is standby, grapheme material is used, so that the equipment is reached certain vacuum performance, excellent resistance to compression and heating conduction, overcomes
State prior art deficiency；Moreover, construction more effectively reduces beam loss and function by the combination with other materials and technique
Rate loses problem.Compared with line window equipment in current world level, the beam power of permission mentions the line window equipment
More than a high magnitude, it is particularly suitable for the particle accelerator of beam power 5MW or more.Moreover it is possible to meet and be suitable for not
With the particle accelerator of power.
Summary of the invention
Based on above-mentioned purpose, on the one hand, the application innovatively provides a kind of line window equipment, and the line window is set
Standby to include at least a line window, the line window includes at least one layer of graphene paper layer.
Specifically, the line window equipment is connect with beam current tube.
The graphene paper is with a thickness of 10-200 μm.
The line window equipment includes a line window, and the line window includes at least one layer of graphene paper layer.
The graphene paper layer is connect with the support seal assembly.
The line window equipment is connect with beam current tube.Further, any by welding, fastening assembly or flange etc.
The line window equipment is connected to beam current tube by mode.
The line window can also include enhancement layer, and the enhancement layer is arranged in the graphene paper layer one side or two
The fringe region and/or whole region of side.
Further, the line window includes part enhancement layer, wherein the part enhancement layer is located at the graphene
On the one side of paper layer or the regional area of two sides.Preferably, the part enhancement layer is deposited to the graphene paper layer
Fringe region, wherein the edge with the central area that is passed through by line in contrast, in the graphene paper basal layer
On, the region area for not depositing the enhancement layer is equal to or more than beam spot σ, and wherein σ is beam spot distribution variance.Optionally,
The line window may include one or two layers enhancement layer, wherein the one or two layers enhancement layer is located at the graphene
On the one side of paper layer or two sides.
More specifically, the graphene paper layer is incited somebody to action as basal layer by physical vapour deposition (PVD) or electrochemical deposition process
The reinforcement layer material is deposited to the one side of the graphene paper basal layer or two sides.
Alternatively, grapheme material is sprayed on the enhancement layer by inkjet printing or chemical vapor deposition process, with
Form the line window including complete one layer of enhancement layer.
The reinforcement layer material is selected from aluminium, copper, nickel, aluminium alloy, copper alloy, nickel alloy, aluminum-based composites, copper-based compound
Object, nickel-based compound etc. it is any.
In one embodiment, the line window equipment provided by the present application, including a line window, the beam
Flowing window includes one layer of graphene paper layer, wherein the thickness of the graphene paper layer is about 10-200 μm.The line window
Do not include the line window of the single-layer graphene paper layer of enhancement layer described in equipment actually one kind, is suitable for such as light beam of light source
Window or medical accelerator beam line end vacuum diaphragm window.The case where or beam spot small for two sides pressure difference small (window is small), can be used
The equipment including single line window.
In another embodiment, the line window equipment provided by the present application, there is also include multiple line windows
The line window equipment of mouth, wherein the line window includes one layer of graphene paper layer.In the line window equipment, institute
The number for stating line window depends primarily on window two sides pressure difference and beam spot size.
In another embodiment, the line window equipment provided by the present application includes one or more line windows
Mouthful, the line window includes part enhancement layer, wherein the part enhancement layer be arranged on graphene paper layer one side or
On two sides.The line window equipment is suitable for the situation that window two sides pressure difference is relatively large or beam spot is relatively large, for example,
The strong proton window of high power height stream, it is required that be able to bear its pressure at both sides poor for the intensity of line window equipment.Described includes portion
The line window edge region for dividing enhancement layer, is mainly used for increasing the bearing capacity of the line window, and described do not deposit adds
The central area of strong layer passes through region as line, and heat dissipation effect is more preferable.
In another embodiment, the line window equipment provided by the present application includes one or more line windows
Mouthful, it include part or all of region enhancement layer on the one side of the line window or two sides, to be suitable for window two sides
Pressure difference is relatively bigger or beam spot is relatively bigger, or the situation more demanding to vacuum sealing performance, for example, the strong matter of high power height stream
Child window.
Based on above-mentioned line window equipment provided by the present application, improvements are as follows：
On the one hand, the line window equipment has certain vacuum performance, anti-radiation performance, also has excellent pressure-bearing
Ability, heating conduction and high temperature resistance.
On the other hand, simple structure, the enhancement layer of use and the material easy processing of graphene paper layer, security performance
It is high；Light beam window is used directly for single-layer graphene paper structure.
Beneficial effect
Compared with prior art, above-mentioned line window equipment provided by the present application accelerates suitable for various types of particles
Device, including high power hadron accelerator, for example, spallation neutron target, neutrino factory, Accelerator Driven Subcritical clean nuclear power system
The proton of the high powers accelerators such as system (Accelerator Driven Sub-critical System, abbreviation ADS), collider
The lines windows such as beam window, neutron beam window, secondary paticle beam window, useless beam window；Light beam of light source linear window and line window；Other types
Accelerator line window, such as medical accelerator beam line end vacuum diaphragm window.
Through the above technical solutions, herein described line window equipment acquirement has the beneficial effect that：On the one hand, not only
With certain vacuum performance, anti-radiation performance, also there is excellent bearing capacity, heating conduction and high temperature resistance；With it is existing
There is technology to compare, the energy loss of line is greatly reduced, and heat dissipation effect but greatly improves, and device thickness is relatively small；
On the other hand, line window simple in equipment provided by the present application, the enhancement layer of use and the material of graphene paper layer
Easy processing, security performance are high；Light beam window is used directly for single-layer graphene paper structure.
Detailed description of the invention
In order to more clearly understand the application, please refers to and non-restrictive illustrative is illustrated made by the following drawings, herein
Feature, objects and advantages to the application are done into comprehensive explanation：
Fig. 1 is a kind of a kind of herein described structural schematic diagram of embodiment of line window equipment；
Fig. 2 is a kind of herein described structural schematic diagram of the another embodiment of line window equipment；
Fig. 3 is a kind of herein described structural schematic diagram of the another embodiment of line window equipment；
Fig. 4 is a kind of herein described structural schematic diagram of the another embodiment of line window equipment；
Fig. 5 is a kind of herein described structural schematic diagram of the another embodiment of line window equipment；
Fig. 6 is a kind of herein described structural schematic diagram of the another embodiment of line window equipment；
Wherein, in Fig. 1-6,1, line window, 2, graphene paper layer；2 ', graphene paper basal layer；3, enhancement layer；4, branch
Support seal assembly.
Specific embodiment
The application is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is used only for explaining technical solution, the inventive concept of the application, rather than to the limit that the application is done
Property explanation processed.It also should be noted that for ease of description, only the parts related to the present invention are shown in attached drawing.Its
The part that it was not explicitly shown or was not known explanation should be understood as prior art conventional means or scheme, show in conjunction with the application
The technical effect of the application may be implemented in technical characteristic out.
It should be noted that in the absence of conflict, it is specific attached in the embodiment and embodiment in the application
Technical characteristic is added to can be combined with each other or replace.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of line window equipment provided by the present application, the line window equipment include at least a line window 1, line
Window 1 includes at least one layer of graphene paper layer 2.
Fig. 1 is a kind of structural schematic diagram of embodiment of herein described line window equipment.As shown, the line
Window equipment includes a line window 1, and line window 1 includes one layer of graphene paper layer 2.Specifically, the thickness of graphene paper layer 2
Degree is 10-200 μm.Line window equipment is connect with beam current tube；Specifically, line window 1 and support seal assembly 4 (such as
Flange) it is fastenedly connected and seals.
Fig. 2 is the structural schematic diagram of the another embodiment of herein described line window equipment.Shown in line window
Jaws equipment includes a line window 1, and line window 1 includes graphene paper layer 2 and part enhancement layer 3, wherein graphene paper layer
2 are used as basal layer, become graphene paper basal layer 2 ', and enhancement layer 3 passes through the skills such as physical vapour deposition (PVD) or electrochemical deposition process
Art means deposit to reinforcement material on graphene paper basal layer 2 '.Preferably, enhancement layer 3 is located at graphene paper basal layer 2 '
Fringe region, wherein the marginal portion and the central area passed through by line are in contrast, in the graphene paper of line window
On basal layer, the region area for not depositing enhancement layer is equal to or more than beam spot σ, and wherein σ is beam spot distribution variance.
The material of enhancement layer 3 be selected from aluminium, copper, nickel, aluminium alloy, copper alloy, nickel alloy, aluminum-based composites, copper-based compound,
Nickel-based compound etc. it is any.
Further, as shown in Fig. 2, part enhancement layer 3 is deposited on the one side of graphene paper basal layer 2 '.
Optionally, Fig. 3 is that a kind of structure of the another embodiment of line window equipment provided by the present application is shown
It is intended to.Part enhancement layer 3 is deposited on the two sides of graphene paper basal layer 2 '.
Fig. 4 is a kind of structural schematic diagram of the another embodiment of line window equipment provided by the present application.Line window
Mouth 1 can also include one layer of enhancement layer 3, and enhancement layer 3 be located on the one side of graphene paper layer 2.As shown in Figure 4, in graphite
Whole region on the one side of alkene paper layer 2 has one layer of enhancement layer 3.Optionally, line window 1 can also add including two layers
Strong layer 3, is located on the two sides of graphene paper basal layer 2 '.As shown in Figure 5, a kind of line window provided by the present application
The structural schematic diagram of the another embodiment of equipment, the whole region on two sides of graphene paper layer 2 all coat one
Layer enhancement layer 3.Reinforcement material is deposited into graphene paper by technological means such as physical vapour deposition (PVD) or electrochemical deposition process
On basal layer 2 '；Alternatively, grapheme material is sprayed on enhancement layer 3 by inkjet printing or chemical vapor deposition process, with
Form the line window 1 including complete one layer of enhancement layer 3.
It should be understood that a kind of line window equipment provided by the present application comprising the line window as shown in 1-5
It is any, arbitrarily a variety of or combinations thereof.Specifically, its corresponding enhancement layer of graphene paper layer 2 in one of line window 1
3 deposition region and their structure can be identical as the deposition region of the graphene paper layer 2 in other line windows and structure
Or it is different.
Wherein, Fig. 6 is a kind of structural schematic diagram of the another embodiment of line window equipment provided by the present application.Beam
Flowing window equipment includes multiple line windows 1, and each line window 1 can be in Fig. 1-line window shown in fig. 5
It is any.In general, the line window of the preferably same structure of different line windows of the same window equipment, but it is not limited to this,
Can the appropriately combined line group of windows using different structure at line window equipment with the line for different-energy grade.
More specifically, in one embodiment, line window equipment provided by the present application, including a line window,
The line window includes one layer of graphene paper layer, wherein the thickness of graphene paper layer is about 10-200 μm.This line window
Equipment is actually the line window that one kind does not include the single-layer graphene paper layer of enhancement layer, suitable for such as light beam of light source window or
Medical accelerator beam line end vacuum diaphragm window.The case where or beam spot small for two sides pressure difference small (window is small), can be used described
Equipment including single line window.
Moreover, in more detail, line window equipment provided by the present application, the line window equipment of single-layer graphene paper layer,
It uses about 10~200 μm of thickness of graphene paper, and following acceleration can be met in the case where not needing any enhancement layer
The requirements of device, such as light beam of light source window or medical accelerator beam line end vacuum diaphragm window, to provide a kind of pressure-bearing property
Energy is good, heat dissipation effect is ideal, the lesser window equipment of beam loss.
In another embodiment, line window equipment provided by the present application includes the line window of multiple line windows
Mouthful, wherein line window includes one layer of graphene paper layer.In line window equipment, the number of line window is depended primarily on
Window two sides pressure difference and beam spot size.
In other embodiments, the line window equipment of the application includes one or more line windows, the beam
Flowing window includes part enhancement layer, and part of enhancement layer is arranged on one side or the two sides of graphene paper layer.The beam
It flows window equipment and is suitable for the situation that window two sides pressure difference is relatively large or beam spot is relatively large, for example, the strong matter of high power height stream
Child window, it is required that be able to bear its pressure at both sides poor for the intensity of line window equipment.The line including part enhancement layer
Window edge region, is mainly used for increasing the bearing capacity of the line window, and the central area for not depositing enhancement layer
Region is passed through as line, heat dissipation effect is more preferable.
In another embodiment, the line window equipment provided by the present application includes one or more line windows
Mouthful, it include part or all of region enhancement layer on the one side of line window or two sides, to be suitable for window two sides pressure difference
Relatively bigger or beam spot is relatively bigger, or the situation more demanding to vacuum sealing performance, for example, the strong proton window of high power height stream
Mouthful.
Above description is only the better embodiment of the application and the explanation to institute's application technology principle.Art technology
Personnel should be appreciated that protection scope involved in the application, however it is not limited to skill made of the specific combination of above-mentioned technical characteristic
Art scheme, while should also cover in the case where not departing from the application design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (11)
1. a kind of line window equipment, which is characterized in that the line window equipment includes at least a line window, the beam
It flows window and includes at least one layer of graphene paper layer.
2. line window equipment according to claim 1, which is characterized in that the line window equipment and beam current tube connect
It connects.
3. line window equipment according to claim 1, which is characterized in that the line window equipment includes a line
Window, the line window include at least one layer of graphene paper layer.
4. line window equipment according to claim 1, which is characterized in that the graphene paper layer and the support seal
Component connection.
5. line window equipment according to claim 1, which is characterized in that the line window further includes enhancement layer, institute
State fringe region and/or whole region that enhancement layer is located at the graphene paper layer one side or two sides.
6. line window equipment according to claim 5, which is characterized in that the line window includes part enhancement layer,
The part enhancement layer is arranged on one side or the two sides of the graphene paper layer.
7. line window equipment according to claim 6, which is characterized in that the part enhancement layer is located at the graphene
The fringe region of paper layer.
8. line window equipment according to claim 5, which is characterized in that the line window further includes one or two layers
Enhancement layer, the enhancement layer are located on one side or the two sides of the graphene paper layer.
9. line window equipment according to claim 5, which is characterized in that the graphene paper layer leads to as basal layer
Physical vapour deposition (PVD) or electrochemical deposition process is crossed to deposit the reinforcement layer material to the side of the graphene paper basal layer
On face or two sides.
10. line window equipment according to claim 5, which is characterized in that pass through inkjet printing or chemical vapor deposition
Grapheme material is sprayed on the enhancement layer by technique, to form the line window including one layer of enhancement layer.
11. line window equipment according to claim 5, which is characterized in that the material of the enhancement layer be selected from aluminium, copper,
Any one of nickel, aluminium alloy, copper alloy, nickel alloy, aluminum-based composites, copper-based compound, nickel-based compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058478.4A CN108901117A (en) | 2018-09-11 | 2018-09-11 | A kind of line window equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058478.4A CN108901117A (en) | 2018-09-11 | 2018-09-11 | A kind of line window equipment |
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| Publication Number | Publication Date |
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| CN108901117A true CN108901117A (en) | 2018-11-27 |
Family
ID=64359819
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| CN201811058478.4A Pending CN108901117A (en) | 2018-09-11 | 2018-09-11 | A kind of line window equipment |
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|---|---|---|---|---|
| CN109755086A (en) * | 2019-01-22 | 2019-05-14 | 中国科学技术大学 | Electron exit window mouthpiece, electron beam generating device and electron beam generation system |
| CN115835469A (en) * | 2022-11-16 | 2023-03-21 | 中国科学院近代物理研究所 | Beam window system for high-current superconducting linear accelerator and high-power target |
| CN115835469B (en) * | 2022-11-16 | 2023-09-12 | 中国科学院近代物理研究所 | Beam window system for high-current superconducting linear accelerator and high-power target |
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