CN107969064B - Self-shielding electron accelerator scanning box - Google Patents
Self-shielding electron accelerator scanning box Download PDFInfo
- Publication number
- CN107969064B CN107969064B CN201711286824.XA CN201711286824A CN107969064B CN 107969064 B CN107969064 B CN 107969064B CN 201711286824 A CN201711286824 A CN 201711286824A CN 107969064 B CN107969064 B CN 107969064B
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- CN
- China
- Prior art keywords
- scanning box
- welding body
- electron accelerator
- box welding
- shielding
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- 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.)
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Links
- 238000003466 welding Methods 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 238000010894 electron beam technology Methods 0.000 claims abstract description 17
- 239000003973 paint Substances 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims 4
- 238000005260 corrosion Methods 0.000 claims 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 17
- 239000010935 stainless steel Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005347 demagnetization Effects 0.000 abstract 2
- 230000005855 radiation Effects 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010407 vacuum cleaning 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
- H05H7/001—Arrangements for beam delivery or irradiation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
- Welding Or Cutting Using Electron Beams (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to a self shielded electron accelerator scanning box, comprising an electron beam device, a scanning box welding body with a cavity, a shielding chamber, and a bracket. One end of the scanning box welding body is provided with a connecting flange, and the scanning box welding body is provided with a stainless steel plate. From the scanning box welding body to the stainless steel plate, demagnetization coils, electrical soft iron, and a first lead plate are sequentially provided. One end of the stainless steel plate is connected to the scanning box welding body. The invention has a simple structure, easy installation and maintenance, and strong shielding performance. By wrapping the demagnetization coils, electrical soft iron, and lead plate around the scanning box welding body, the number of shielding materials used in the existing self shielded electron accelerator is greatly reduced while ensuring the safe and reliable operation of the electron accelerator. Overall volume, Due to the fact that shielding materials are now wrapped around the outside of the welding body of the scanning box, the convenience of maintaining the electron accelerator has been greatly improved, cost investment has been reduced, and work efficiency has been strengthened.
Description
Technical Field
The present invention relates to an electron accelerator scan box, and more particularly, to a self-shielding electron accelerator scan box.
Background
Along with the rapid development and application of the electron accelerator in the irradiation industry, the self-shielding electron accelerator has the characteristics of small volume, on-line installation and production, no special requirement on a factory building and the like, is rapidly popularized and used in the irradiation industry, but the design of the self-shielding electron accelerator on the market is larger in volume, because the radiation generation of the electron accelerator is generated due to the bombardment of high-energy electron beams on metal, the main concentrated region of the radiation in the self-shielding electron accelerator is in the irradiation region led out by the electron beams, but small quantity of radiation is generated on the electron beam leading-out pipeline and the scanning box due to the scattering of the electron beams and the like, and the self-shielding electron accelerator on the market at present can cast a large shielding room to prevent the radiation leakage, so that the shielding material of the scanning box occupies a large part of the total shielding material, thus, a large quantity of radiation shielding material can be used, and maintenance on the parts is inconvenient because the parts are in the shielding room.
Disclosure of Invention
The invention discloses a self-shielding electron accelerator scanning box, which comprises an electron beam device 1, a scanning box welding body 2 provided with a cavity, a shielding chamber 3 and a bracket 4, wherein one end of the scanning box welding body 2 is provided with a connecting flange, the scanning box welding body 2 is provided with a stainless steel plate 25, a demagnetizing coil 22, an electrical soft iron 23 and a first lead plate 24 are sequentially arranged between the scanning box welding body 2 and the stainless steel plate 25, and one end of the stainless steel plate 25 is connected with the scanning box welding body 2.
Further, the shielding chamber 3 is arranged at the lower end of the scanning box welding body 2, the shielding chamber 3 comprises an upper portion and a lower portion, the upper portion and the lower portion are movably connected, the upper portion is tightly attached to the upper surface of the connecting flange, the lower portion is tightly attached to the bottom of the connecting flange, and a second lead plate is arranged at the joint position of the upper portion and the lower portion of the shielding chamber 3.
Further, the shielding chamber 3 is further provided with two sliding blocks 31, the sliding blocks 31 are respectively arranged at two ends of the shielding chamber 3, and one end of each sliding block 31 is connected with the support 4.
Further, the support 4 is set to the U type, the support 4 is provided with slide rail 41, slide rail 41 and slider 31 cooperate and are connected, slide rail 41 lower extreme still is provided with the backup pad, backup pad middle part position still is provided with pneumatic cylinder 42, pneumatic cylinder 42 one end is provided with the liftable pole.
Further, the stainless steel plate 25 is fully welded to the scanner case welded body 2.
Further, a rust preventive paint layer 21 is also provided between the electrical soft iron 23 and the first lead plate 24.
Further, the electron beam device 1 is disposed at the top end of the scan box welding body 2, and the electron beam device 1 includes an electron gun for generating electron beam current.
The self-shielding electron accelerator scanning box has the advantages that the structure is simple, the installation and the maintenance are convenient, the shielding performance is strong, the number of shielding materials of the existing self-shielding electron accelerator is greatly reduced under the condition that the safe and reliable operation of the electron accelerator is ensured by the way that the demagnetizing coil 22, the electrical soft iron 23 and the lead plate are wrapped by the scanning box welding body 2, the whole volume is reduced, and the shielding materials are wrapped on the outer side of the scanning box welding body 2 at present, so that the convenience of the electron accelerator maintenance is greatly improved, the cost input is reduced, and the working efficiency is enhanced.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a degaussing coil according to the present invention;
FIG. 3 shows a scan box according to the invention schematic cross-sectional structure of the welded body;
FIG. 4 is a schematic view of the bottom surface structure of the stainless steel plate according to the present invention.
Wherein: 1. an electron beam device; 2. scanning a box welding body; 21. an antirust paint layer; 22. a degaussing coil; 23. an electrical soft iron; 24. a first lead plate; 25. a stainless steel plate; 3. a shielding chamber; 31. a slide block; 4. a bracket; 41. a slide rail; 42. and a hydraulic cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention discloses a self-shielding electron accelerator scanning box, which is shown in fig. 1-3 and comprises an electron beam device 1, a scanning box welding body 2 provided with a cavity, a shielding chamber 3 and a bracket 4, wherein one end of the scanning box welding body 2 is provided with a connecting flange, the scanning box welding body 2 is provided with a stainless steel plate 25, a demagnetizing coil 22, an electrical soft iron 23 and a first lead plate 24 are sequentially arranged between the scanning box welding body 2 and the stainless steel plate 25, and one end of the stainless steel plate 25 is connected with the scanning box welding body 2.
Further, the shielding chamber 3 is arranged at the lower end of the scanning box welding body 2, the shielding chamber 3 comprises an upper portion and a lower portion, the upper portion and the lower portion are movably connected, the upper portion is tightly attached to the upper surface of the connecting flange, the lower portion is tightly attached to the bottom of the connecting flange, and a second lead plate is arranged at the joint position of the upper portion and the lower portion of the shielding chamber 3.
Further, the shielding chamber 3 is further provided with two sliding blocks 31, the sliding blocks 31 are respectively arranged at two ends of the shielding chamber 3, and one end of each sliding block 31 is connected with the support 4.
Further, the support 4 is set to the U type, the support 4 is provided with slide rail 41, slide rail 41 and slider 31 cooperate and are connected, slide rail 41 lower extreme still is provided with the backup pad, backup pad middle part position still is provided with pneumatic cylinder 42, pneumatic cylinder 42 one end is provided with the liftable pole.
Further, the stainless steel plate 25 is fully welded to the scanner case welded body 2.
Further, a rust preventive paint layer 21 is also provided between the electrical soft iron 23 and the first lead plate 24.
Further, the electron beam device 1 is disposed at the top end of the scan box welding body 2, and the electron beam device 1 includes an electron gun for generating electron beam current.
After the self-shielding electron accelerator scanning box meets the vacuum requirement of electron accelerator operation through vacuum cleaning and leakage detection, residual magnetism of a scanning box welding body 2 is detected, the number of turns required to be set at different positions of a demagnetizing coil 22 is calculated according to the residual magnetism of different positions of the scanning box welding body 2, the demagnetizing coil 22 is wound according to the residual double magnetic quantity, the demagnetizing coil 22 is electrified and demagnetized, a first lead plate 24 and an electrical soft iron 23 are sequentially wrapped on the scanning box welding body 2, the number of layers of the first lead plate 24 is calculated according to the energy and intensity of rays, the number of layers of the electrical soft iron 23 is calculated and determined according to the electron accelerator energy and the space magnetic field distribution of a use environment, and after the number of layers of the first lead plate 24 and the electrical soft iron 23 are sequentially wrapped and shaped according to the technology alternately, a stainless steel plate 25 is wrapped on the outer surface of the first lead plate 24 and the electrical soft iron 23.
Further, the self-shielding electronic accelerator scanning box comprises a scanning box welding body 2, a top plate and an electronic beam device 1 are arranged at the top end of the scanning box welding body 2, the electronic beam device 1 is arranged in a cavity of the scanning box welding body 2, firstly, a demagnetizing coil 22 is wound on the surface of the scanning box welding body 2, then an electric soft iron 23 is paved outside the demagnetizing coil 22, then the surface of the electric soft iron 23 is coated with antirust paint, then a first lead plate 24 is wrapped on the outer side surface of the electric soft iron 23, and finally a stainless steel plate 25 is wrapped on the outer side of the first lead plate 24.
Further, according to the present invention shown in fig. 4, the bottom surface of the stainless steel plate 25 is L-shaped, and the bottom surface of the L-shaped stainless steel plate 25 encloses and seals the demagnetizing coil 22, the electrical soft iron 23, and the first lead plate 24, and one end thereof is fully welded to the scanner box welding body 2.
The shielding chamber 3 is divided into an upper part and a lower part, the upper part and the lower part can be opened and closed, a second lead plate is arranged at the connection position of the upper part and the lower part, the sliding blocks 31 at two ends of the shielding chamber 33 are matched and movably connected with the sliding rails 41, the bracket 44 is also provided with a hydraulic cylinder 42, and the hydraulic cylinder 42 can change the position of the shielding chamber 33 through a lifting rod.
The self-shielding electron accelerator scanning box has the advantages that the structure is simple, the installation and the maintenance are convenient, the shielding performance is strong, the number of shielding materials of the existing self-shielding electron accelerator is greatly reduced under the condition that the safe and reliable operation of the electron accelerator is ensured by the way that the demagnetizing coil 22, the electrical soft iron 23 and the lead plate are wrapped by the scanning box welding body 2, the whole volume is reduced, and the shielding materials are wrapped on the outer side of the scanning box welding body 2 at present, so that the convenience of the electron accelerator maintenance is greatly improved, the cost input is reduced, and the working efficiency is enhanced.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It should be understood by those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the present invention, and the present invention is not limited to the above-described embodiments.
Claims (5)
1. A self-shielding electron accelerator scan box comprising an electron beam device, characterized in that: still including scanning box welding body, shield room and the support that is equipped with the cavity, scanning box welding body one end is provided with flange, scanning box welding body is provided with corrosion resistant plate, has set gradually degaussing coil, electrician soft iron, first lead plate between the corrosion resistant plate by scanning box welding body, corrosion resistant plate one end is connected with scanning box welding body, the shield room sets up at scanning box welding body lower extreme, the shield room includes upper portion and lower part, upper portion and lower part swing joint, upper portion and flange upper surface are closely, the lower part is closely with flange bottom, shielding room upper portion and lower part seam crossing position are provided with the second lead plate, corrosion resistant plate and scanning box welding body are welded fully and are connected.
2. The self-shielded electron accelerator scan case of claim 1, wherein: the shielding room is also provided with a sliding block, the sliding block is provided with two sliding blocks, the sliding blocks are respectively arranged at two ends of the shielding room, and one end of the sliding block is connected with the bracket.
3. The self-shielded electron accelerator scan case of claim 2, wherein: the support is set to the U type, the support is provided with the slide rail, the slide rail cooperatees with the slider and is connected, the slide rail lower extreme still is provided with the backup pad, backup pad middle part position still is provided with the pneumatic cylinder, pneumatic cylinder one end is provided with the liftable pole.
4. The self-shielded electron accelerator scan case of claim 1, wherein: and an antirust paint layer is further arranged between the electrical soft iron and the first lead plate.
5. The self-shielded electron accelerator scan case of claim 1, wherein: the electron beam device is arranged at the top end of the welding body of the scanning box and comprises an electron gun which is used for generating electron beam current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286824.XA CN107969064B (en) | 2017-12-07 | 2017-12-07 | Self-shielding electron accelerator scanning box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286824.XA CN107969064B (en) | 2017-12-07 | 2017-12-07 | Self-shielding electron accelerator scanning box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107969064A CN107969064A (en) | 2018-04-27 |
| CN107969064B true CN107969064B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286824.XA Active CN107969064B (en) | 2017-12-07 | 2017-12-07 | Self-shielding electron accelerator scanning box |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110139460B (en) * | 2019-06-18 | 2024-04-09 | 中国广核集团有限公司 | Low-energy electron accelerator shielding structure |
| CN111113968A (en) * | 2020-01-14 | 2020-05-08 | 江苏久瑞高能电子有限公司 | PCR radiation prevulcanization device |
| CN111113967A (en) * | 2020-01-14 | 2020-05-08 | 江苏久瑞高能电子有限公司 | TBR radiation prevulcanization device |
| CN112002627A (en) * | 2020-09-03 | 2020-11-27 | 郑州韩都药业集团有限公司 | R irradiation processing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207939818U (en) * | 2017-12-07 | 2018-10-02 | 江苏久瑞高能电子有限公司 | A kind of self-shielding type Electron Accelerator Scanning Box |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795654A (en) * | 1984-11-05 | 1989-01-03 | Innofinance Altalanos Innovacios Penzintezet | Structure for shielding X-ray and gamma radiation |
| DE19742548C2 (en) * | 1997-09-26 | 1999-10-07 | Otten Ernst Wilhelm | Magnetic device for transport and storage of nuclear spin polarized gases and procedures for extracting these gases |
| JP2000056100A (en) * | 1998-08-10 | 2000-02-25 | Nissin High Voltage Co Ltd | Electron beam radiating device |
| CN100467068C (en) * | 2005-07-29 | 2009-03-11 | 清华大学 | Shielding type electron beam radiation sterilizing apparatus |
| CN200969702Y (en) * | 2006-11-20 | 2007-10-31 | 张祥华 | Scanning box for electron accelerator |
| ITMO20070137A1 (en) * | 2007-04-18 | 2008-10-19 | Maria Prudenziati | INTEGRATED, FLEXIBLE AND TOTALLY COMPUTERIZED INNOVATIVE SYSTEM FOR THE PRODUCTION AND STERILIZATION OF PREFORMATIONS AND / OR SHAPED PET BOTTLES AND DIFFERENT SIZES, THEIR SEALING AND MARKING. |
| CN102209427B (en) * | 2011-04-08 | 2012-11-28 | 江苏达胜加速器制造有限公司 | Scanner used for accelerator |
| US9006694B2 (en) * | 2011-11-03 | 2015-04-14 | Elwha Llc | Systems, devices, methods, and compositions including fluidized x-ray shielding compositions |
| CN106340335A (en) * | 2015-09-28 | 2017-01-18 | 中国辐射防护研究院 | Low-background laboratory shielding structure |
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2017
- 2017-12-07 CN CN201711286824.XA patent/CN107969064B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207939818U (en) * | 2017-12-07 | 2018-10-02 | 江苏久瑞高能电子有限公司 | A kind of self-shielding type Electron Accelerator Scanning Box |
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| CN107969064A (en) | 2018-04-27 |
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