CN108286630A - A kind of sealing device being suited to speed up device Beam Transport Systems - Google Patents
A kind of sealing device being suited to speed up device Beam Transport Systems Download PDFInfo
- Publication number
- CN108286630A CN108286630A CN201810183308.2A CN201810183308A CN108286630A CN 108286630 A CN108286630 A CN 108286630A CN 201810183308 A CN201810183308 A CN 201810183308A CN 108286630 A CN108286630 A CN 108286630A
- Authority
- CN
- China
- Prior art keywords
- flange
- screw
- main flange
- fenestrated membrane
- end flanges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
-
- 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
- H05H7/001—Arrangements for beam delivery or irradiation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses a kind of sealing devices being suited to speed up device Beam Transport Systems, including main flange, end flanges, fenestrated membrane, special screw and holding screw, end flanges are fixed on by special screw on main flange, two panels fenestrated membrane is pressed in the both sides of main flange by main flange and two end flanges, main flange is along the circumferential direction provided with 4 set screw holes, holding screw passes through screw-thread fit with set screw hole, main flange is fixed in by flange clip and inner seal ring on the flange of transit vacuum pipe end；The present invention is using two panels fenestrated membrane and flange and flange clip, realize vacuum environment and ambient atmosphere environment in isolation transit vacuum tube, when ensuring that ion passes through vacuum environment, when greater attenuation will not occur and particle will not be made to pass through fenestrated membrane, has and generated compared with multiphonon.
Description
Technical field
The invention belongs to superconduction proton precessional magnetometer line pipeline sealing technique and Particle Delivery fields, and in particular to Yi Zhongshi
Sealing device for accelerator Beam Transport Systems.
Background technology
In Particle Delivery field, in particular for the Particle Delivery technical field of proton and heavy particle therapy.To ensure grain
Son passes through vacuum environment that greater attenuation occurs.Majority is using high-molecular organic material as sealing vacuum pipe fenestrated membrane.Vacuum tube
It is used there are two types of sealing means at the Coupling point of road：A method of using dynamic sealing, a method of it is sealed using quick release flange.
And transit vacuum line end is because of the needs in view for the treatment of, it is necessary to use the vacuum window sealing structure of quick release flange formula.
The advantages of quick release flange seals is that fenestrated membrane is fixed between two flanges, and sealed reliable reduces particle as far as possible
Beam passes through the decaying of fenestrated membrane；Disadvantage is that the surface roughness to flange seal end face is excessively high with planarity requirements, and the particle beams is worn
When crossing fenestrated membrane, it is desirable that the decaying of the particle beams is small as far as possible, but the decaying of the particle beams is related with fenestrated membrane thickness.Thickness is bigger,
Then decay bigger；Conversely, it is smaller then to decay.Therefore due to the end vacuum value of fenestrated membrane thickness limit vacuum line.
Invention content
The purpose of the present invention is to provide a kind of sealing devices being suited to speed up device Beam Transport Systems, using main flange
Fenestrated membrane, isolated vacuum environment are fixed with the end faces of end flanges.Two identical fenestrated membranes realize isolation transit pipeline vacuum
Environment.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of sealing device being suited to speed up device Beam Transport Systems, including main flange, end flanges, fenestrated membrane, special spiral shell
Nail and holding screw are provided with the second screw channel on the main flange, the first screw channel, the hold-carrying are provided in the end flanges
Orchid is located at the both ends of main flange, and end flanges are connected to a fixed with the first screw channel and the second screw channel in main method successively by special screw
Lan Shang；The fenestrated membrane is between main flange and the seal face of end flanges, by main flange and two end flanges by two panels
Fenestrated membrane is pressed in the both sides of main flange；The main flange is along the circumferential direction provided with 4 set screw holes, holding screw and clamp screw
Nail hole passes through screw-thread fit；
Further, the main flange is the quick-release type vacuum flange of KF specifications restructuring.
Further, at the both ends of fenestrated membrane, the fitting end of main flange and end flanges is equipped with round-corner transition.
Further, the thickness of the fenestrated membrane is 25-100um；The material of fenestrated membrane is My l ar materials.
Further, it is provided with air vent in the special screw.
Further, the Transmission system includes transit vacuum pipe, and quick-release is equipped in transit vacuum pipe end
Flange increases inner seal ring between main flange and quick release flange, by flange clip by main flange, inner seal ring and quick release flange
It connects.
Beneficial effects of the present invention：
A kind of sealing device being suited to speed up device Beam Transport Systems provided by the invention is used for accelerator beam transfer
Vacuum line end is isolated, and using two panels fenestrated membrane and flange and flange clip, realizes vacuum ring in isolation transit vacuum tube
Border and ambient atmosphere environment, it is ensured that when ion passes through vacuum environment, greater attenuation will not occur and particle will not be made to pass through window
When film, has and generated compared with multiphonon.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is to invent a kind of front view for the sealing device being suited to speed up device Beam Transport Systems；
Fig. 2 is the sectional view in the faces Figure 1A-A；
Fig. 3 is the sectional view in the faces Figure 1B-B；
In attached drawing, parts list represented by the reference numerals are as follows：
The main flanges of 1-, 11- set screw holes, the second screw channels of 12-；2- end flanges, the first screw channels of 21-；3- fenestrated membranes；4- is special
Screw, 41- air vents；5- holding screws；6- round-corner transitions.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -3, a kind of sealing device being suited to speed up device Beam Transport Systems, including main flange 1, end
Flange 2, fenestrated membrane 3, special screw 4 and holding screw 5 are provided with the second screw channel 12, the end flanges 2 on the main flange 1
On be provided with the first screw channel 21, the end flanges 2 are located at the both ends of main flange 1, and end flanges 2 are by special screw 4 successively with
One screw channel 21 and the second screw channel 12 are connected to a fixed on main flange 1；The fenestrated membrane 3 is located at the close of main flange 1 and end flanges 2
Between sealing end face, two panels fenestrated membrane 3 is pressed in the both sides of main flange 1 by main flange 1 and two end flanges 2；The main flange 1
4 set screw holes 11, holding screw 5 and set screw hole 11 are along the circumferential direction provided with by screw-thread fit, by adjusting tightly
Determine the air pressure between the screw-in depth adjusting two panels fenestrated membrane 3 of screw 5；
The main flange 1 is the quick-release type vacuum flange of KF specifications restructuring；
The thickness of the fenestrated membrane 3 is 25-100um, and the material of fenestrated membrane 3 is My l ar materials；At the both ends of fenestrated membrane 3,
The fitting end of main flange 1 and end flanges 2 is equipped with round-corner transition 6, when round-corner transition 6 works for sealing device, due to left side
Fenestrated membrane 3 is because of the effect of negative pressure of vacuum, and raised to the left, fenestrated membrane 3 is also convex to the left because of atmospheric pressure effect on the right side of vacuum window system
It rises, when to prevent fenestrated membrane protrusion, main flange 1 or end flanges 2 scratch fenestrated membrane 3, and spy's setting round-corner transition 6 is for 3 protrusion of fenestrated membrane
When transition；
Be provided with air vent 41 in the special screw 4, air vent 41 for drain special screw 4 and the first screw channel 21 and
Air between second screw channel 12, preventing air from remaining in inside sealing device causes its unstable；
The Transmission system includes transit vacuum pipe, and quick release flange is equipped in transit vacuum pipe end,
Increase inner seal ring between main flange 1 and quick release flange, is connected main flange 1, inner seal ring with quick release flange by flange clip
Together；To which the particle beams is mapped to atmospheric environment by the vacuum window (passing through fenestrated membrane 3) of transit vacuum pipe, for treatment etc.
Purpose.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. a kind of sealing device being suited to speed up device Beam Transport Systems, it is characterised in that：Including main flange (1), end flanges
(2), fenestrated membrane (3), special screw (4) and holding screw (5) are provided with the second screw channel (12) on the main flange (1), described
The first screw channel (21) is provided in end flanges (2), the end flanges (2) are located at the both ends of main flange (1), and end flanges (2) pass through
Special screw (4) is connected to a fixed with the first screw channel (21) and the second screw channel (12) on main flange (1) successively；The fenestrated membrane
(3) between main flange (1) and the seal face of end flanges (2), by main flange (1) and two end flanges (2) by two panels
Fenestrated membrane (3) is pressed in the both sides of main flange (1)；The main flange (1) is along the circumferential direction provided with 4 set screw holes (11), tightly
Determine screw (5) and passes through screw-thread fit with set screw hole (11).
2. a kind of sealing device being suited to speed up device Beam Transport Systems according to claim 1, it is characterised in that：Institute
The main flange (1) stated is the quick-release type vacuum flange of KF specifications restructuring.
3. a kind of sealing device being suited to speed up device Beam Transport Systems according to claim 1, it is characterised in that：Institute
The thickness for the fenestrated membrane (3) stated is 25-100um；The material of fenestrated membrane (3) is Mylar materials.
4. a kind of sealing device being suited to speed up device Beam Transport Systems according to claim 1, it is characterised in that：
At the both ends of fenestrated membrane (3), the fitting end of main flange (1) and end flanges (2) is equipped with round-corner transition (6).
5. a kind of sealing device being suited to speed up device Beam Transport Systems according to claim 1, it is characterised in that：Institute
It is provided with air vent (41) in the special screw (4) stated.
6. a kind of sealing device being suited to speed up device Beam Transport Systems according to claim 1, it is characterised in that：Institute
The Transmission system stated includes transit vacuum pipe, transit vacuum pipe end be equipped with quick release flange, main flange (1) with
Increase inner seal ring between quick release flange, is connected main flange (1), inner seal ring and quick release flange by flange clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183308.2A CN108286630A (en) | 2018-03-06 | 2018-03-06 | A kind of sealing device being suited to speed up device Beam Transport Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183308.2A CN108286630A (en) | 2018-03-06 | 2018-03-06 | A kind of sealing device being suited to speed up device Beam Transport Systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286630A true CN108286630A (en) | 2018-07-17 |
Family
ID=62833234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810183308.2A Pending CN108286630A (en) | 2018-03-06 | 2018-03-06 | A kind of sealing device being suited to speed up device Beam Transport Systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286630A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447723A (en) * | 2020-04-09 | 2020-07-24 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN113115507A (en) * | 2021-05-11 | 2021-07-13 | 上海高鹰科技有限公司 | Beam extraction window structure of electron curtain accelerator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3542877A1 (en) * | 1985-12-04 | 1987-06-11 | Kernforschungsanlage Juelich | Insulating and sealing element for flange connections |
| CN101101062A (en) * | 2007-06-12 | 2008-01-09 | 大连理工大学 | Movable vacuum apparatus |
| CN201615300U (en) * | 2010-03-28 | 2010-10-27 | 徐州压力机械有限公司 | High-pressure pipeline flange connecting structure |
| CN103822870A (en) * | 2014-03-14 | 2014-05-28 | 沈阳慧宇真空技术有限公司 | Vacuum seal structure used in irradiation corrosion synergistic effect device and provided with replaceable metal film |
| CN104214338A (en) * | 2014-08-20 | 2014-12-17 | 芜湖长启炉业有限公司 | Center-hole conical sealing bolt |
| CN205689955U (en) * | 2016-06-23 | 2016-11-16 | 中建材光电装备（太仓）有限公司 | A kind of vacuum sealing device of vacuum coated glass production line |
| CN206787781U (en) * | 2017-06-14 | 2017-12-22 | 合肥中科离子医学技术装备有限公司 | A kind of vacuum sealing film test device suitable for superconduction proton precessional magnetometer |
| CN207921538U (en) * | 2018-03-06 | 2018-09-28 | 合肥中科离子医学技术装备有限公司 | A kind of sealing device being suited to speed up device Beam Transport Systems |
-
2018
- 2018-03-06 CN CN201810183308.2A patent/CN108286630A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3542877A1 (en) * | 1985-12-04 | 1987-06-11 | Kernforschungsanlage Juelich | Insulating and sealing element for flange connections |
| CN101101062A (en) * | 2007-06-12 | 2008-01-09 | 大连理工大学 | Movable vacuum apparatus |
| CN201615300U (en) * | 2010-03-28 | 2010-10-27 | 徐州压力机械有限公司 | High-pressure pipeline flange connecting structure |
| CN103822870A (en) * | 2014-03-14 | 2014-05-28 | 沈阳慧宇真空技术有限公司 | Vacuum seal structure used in irradiation corrosion synergistic effect device and provided with replaceable metal film |
| CN104214338A (en) * | 2014-08-20 | 2014-12-17 | 芜湖长启炉业有限公司 | Center-hole conical sealing bolt |
| CN205689955U (en) * | 2016-06-23 | 2016-11-16 | 中建材光电装备（太仓）有限公司 | A kind of vacuum sealing device of vacuum coated glass production line |
| CN206787781U (en) * | 2017-06-14 | 2017-12-22 | 合肥中科离子医学技术装备有限公司 | A kind of vacuum sealing film test device suitable for superconduction proton precessional magnetometer |
| CN207921538U (en) * | 2018-03-06 | 2018-09-28 | 合肥中科离子医学技术装备有限公司 | A kind of sealing device being suited to speed up device Beam Transport Systems |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447723A (en) * | 2020-04-09 | 2020-07-24 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN111447723B (en) * | 2020-04-09 | 2022-06-03 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN113115507A (en) * | 2021-05-11 | 2021-07-13 | 上海高鹰科技有限公司 | Beam extraction window structure of electron curtain accelerator |
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