CN201667758U - High-power accelerator - Google Patents
High-power accelerator Download PDFInfo
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- CN201667758U CN201667758U CN2009201466056U CN200920146605U CN201667758U CN 201667758 U CN201667758 U CN 201667758U CN 2009201466056 U CN2009201466056 U CN 2009201466056U CN 200920146605 U CN200920146605 U CN 200920146605U CN 201667758 U CN201667758 U CN 201667758U
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Abstract
The utility model discloses a high-power accelerator which relates to the technology of high frequency transmitters. The design point is as follows: the beam power is 100kW which is enough to be inserted into a target to obtain an X-ray bundle, thus expanding the type and the range of irradiation products; the power coupling of an accelerating cavity is separated from a power source and connected with the power source through a coaxial line, and the power coupling and the power source can be independently adjusted; a rotary magnet is provided with an edge angle so as to have good congregation; the connecting position of an inner tube and an outer tube of the accelerating cavity adopts a quarter of a great circular arc, thus improving shunt impedance of the cavity and having simpler processing; the influence of the temperature on the frequency of the accelerating cavity is very small; a radiation accelerator is shaped like a petal and consists of the accelerating cavity, a high-frequency power source, an electron gun, a focusing lens, the rotary magnet, a scanning system, a control system, a beam diagnostics system, a vacuum system and a cooling water system; and both a crosswise electric field of the accelerating cavity and an electron beam track are parallel to the ground. The accelerator solves the existing technical problem of the high-power high-efficiency accelerator, and has the advantages of strong penetrating power, short irradiation time, no potential danger on the environmental protection and no waste treatment.
Description
Technical field
The utility model belongs to civilian non-power nuclear technology field, relate to that high frequency transmitter, accelerating cavity, electron beam quicken and the accurate control of track, high accuracy magnet, nanosecond electron beam, large volume high-vacuum technology.
Background technology
At present, industrial high-energy irradiation mainly adopts cobalt source and electron linear accelerator, and the former processing capacity is big, irradiation dose wide ranges, penetration capacity are strong, but cobalt source irradiation time is long, and existence is to the potential hazard of environment, and retired expense height; Latter's ray is directed to be used, so the irradiation efficiency height, the outage back is radiationless, but that pulsed operation has influence on uniformity, the electron irradiation penetration depth of irradiation is shallow, and the easily-consumed products klystron costs an arm and a leg.The utility model has well been avoided both shortcomings, and has contained both advantages, and high-power high-efficiency, the output of existing electron beam have X ray output again, and temperature is little to the frequency influence of cavity.
Summary of the invention
The utility model is at the problem of existing industrial irradiation, and purpose provides a kind of comparatively desirable high-power accelerator, makes it can solve the existing technical problem of high-power high-efficiency accelerator.The purpose of this utility model realizes by the following technical solutions.
A kind of high-power accelerator is characterized in that this accelerator comes accelerated electron beam with the radial electric field of the TEM pattern of half-wavelength coaxial resonant cavity, and electronics quickens in the center cross-sectional in chamber; Carry out the magnetic coupling of power in the upper end surface in chamber; Beam power 100kW enough practices shooting and obtains X-ray beam; The coupling of the power of accelerating cavity separates with power source, with the coaxial line connection, and can independent regulation; Revolution magnet edged has good aggtegation later on along the angle; One 1/4 circular arc is adopted in accelerating cavity inner/outer tube junction; Form by accelerating cavity (4), high frequency power source, electron gun (1), condenser lens (2), revolution magnet (3), scanning system, control system, beam diagnostics system, vacuum system, cooling water system; The radial electric field of accelerating cavity and the orbit plane of electron beam all are parallel to ground.
Described high frequency power source frequency is chosen to be 90 ± 2MHz, adopts the multistage amplification form of all solid state ten tetrodes; High frequency power feed-in accelerating cavity adopts the form of coupling loop, and power amplifier links to each other with matched transmission line, and directional coupler, quarter bend and expansion joint etc. can be inserted in the centre, are connected with coupled apparatus again.This mode clear physics conception can be inserted and measure and adjusting device, the more important thing is that design with amplifier and accelerating cavity separates to carry out, and has avoided need treating in time just can debug after high frequency power source and accelerating cavity are all carried out; Electron gun adopts the grid-controlled type triode gun, and extraction voltage is 60kV, pulsed operation, and pulse duration 1.8ns, the strong 0～200mA of stream of pulses, waist radius 2mm, emittance is less than 50 π mmmrad, average flow strong stability degree 0.1%; If revolution magnet is with three one group scheme, though regulating measure is more, flexibility and changeability, cost is higher, and complexity is installed, and is unfavorable for the industrialization of this novel accelerator.The utility model has adopted monolithic magnet scheme, after the outlet of magnet inlet has added the angle, edge, line has been played good focussing force, the omnidistance envelope that can obtain feeling quite pleased.The monolithic magnet cost that the utility model adopts is lower, installs simply, helps Product industrialization.Totally nine of revolution magnet make line pass accelerating cavity 40 times.
The overall diameter of described accelerating cavity: height is about 2.23: 1.73, and inner surface is coated with the 2mm oxygen-free copper with excellent conductive performance; Be provided with the sampling apparatus of Automatic Frequency adjusting device and phase place automatic regulating system in the chamber.
The utility model has the advantages that penetration capacity is strong, irradiation time is short, environmental protection is not had potential danger, no waste disposal.Having the output of high-power high-efficiency, existing electron beam has X ray output, temperature very little to the frequency influence of cavity again, and theoretical value only has 1.2kHz/ ℃, is comparatively desirable a kind of accelerator.Be applicable to the sterilization of medical supplies, the sterilization of food, fresh-keeping; Crosslinked, the degraded of macromolecular material are used.
Description of drawings
Fig. 1 is an accelerating structure schematic diagram of the present utility model.
Among the figure 1, electron gun, 2, focusing coil, 3, revolution magnet, 4, accelerating cavity.
Fig. 2 is the utility model execution mode schematic diagram.
Among the figure 5, accelerator, 6, valve, 7, guidance coil, 8, BPM line probe, 9,90 degree deflection iron, 10, four utmost point iron, 11, scanning iron, 12, scan box, 13, the titanium window, 14, gathering magnetic iron, 15, target, 16, illuminated object, 17, conveyer belt, 18, suspended chain.
Embodiment
Below in conjunction with accompanying drawing embodiment is further described.As shown in Figure 1 and Figure 2, the accelerating cavity of high-power accelerator 54 is welded into by stainless steel, adds water jacket and reinforcement, and its urceolus interior diameter is 2.23 meters, and 0.52 meter of inner core overall diameter, height are 1.73 meters.Connection between the inner/outer tube does not adopt traditional inclination angle to add the form of chamfering, but directly adopts 1/4 circular arc of 0.260 meter of a radius, has improved the cavity shunt impedance like this, and has reduced difficulty of processing.Cavity inner surface is coated with the 2mm oxygen-free copper with excellent conductive performance.Be provided with the sampling apparatus of Automatic Frequency adjusting device and phase place automatic regulating system in the chamber.Electron gun 1 adopts grid-controlled type, and extraction voltage is 60kV, pulsed operation, and repetition rate 90MHz, pulse duration 1.8ns, the strong 200mA of stream of pulses, waist radius 2mm, emittance is less than 50 π mmmrad, average flow strong stability degree 0.1%.Totally nine of revolution magnet 3, line passes accelerating cavity 40 times.Revolution magnet adopts monolithic magnet scheme.Have nine blocks of magnet altogether, because the energy of first lap electron beam is lower, so it is different with other eight to design the mechanical dimension of first block of magnet.The angle of revolution of first block of magnet is 194 degree, 0.1338 meter of the radius of gyration, and angle, exit and entry edge is 3.5 ± 0.5 degree, and the slit is 45 millimeters, and the vacuum box slit is not less than 40 millimeters.Pole edge is from 90 millimeters of accelerating cavity outer walls.Other eight revolution magnet angle of revolution 198 degree, 0.1734 meter of the radius of gyration, the arc track length of standard particle is 0.599 meter.Angle, edge and slit are the same with other revolution magnet.Pole edge is from 94 millimeters of accelerating cavity outer walls.The outlet of every revolution magnet inlet has added after the angle, edge the omnidistance envelope that obtains feeling quite pleased.Different electron energies is corresponding to different exciting currents.When exciting current is 0, electronics is not curved, and then becomes electron beam outlet 9.After electron beam was drawn, scanning magnet 10 halved tie streams carried out ± 18 degree scannings, scanning frequency 100 times/second, guarantee that the uniformity of dosage reaches ± and 5%.Scan box 6 ends have a metallic film window.When coming irradiation, insert a heavy metal target, utilize the bremstrahlen of high energy electron to obtain X ray outside window with X ray.For guaranteeing that the vacuum degree in the accelerating cavity is better than 1 * 10
-6Holder, electron gun zone vacuum degree is better than 1 * 10
-7One 1000 liters of/second ionic pumps are adorned in holder at the bottom of the chamber, adorned 100 liters/second and 50 liters of/second two ionic pumps respectively at electron gun anode place and electron gun vacuum pipe place.The working temperature of accelerating cavity is decided to be 35 ± 2 degree, and internal and external conductor all is equipped with cooling-water duct.The transmission line product 7 of institute's irradiation is carried through transmission line 8, the transmission line product behind the irradiation, and as the sterilization of medical supplies, the sterilization of food, fresh-keeping; The degraded of macromolecular material etc.
Claims (3)
1. a high-power accelerator is characterized in that this accelerator comes accelerated electron beam with the radial electric field of the TEM pattern of half-wavelength coaxial resonant cavity, and electronics quickens in the center cross-sectional in chamber; Carry out the magnetic coupling of power in the upper end surface in chamber; Beam power 100kW; The power coupling of accelerating cavity separates with power source, connects with coaxial line; One 1/4 circular arc is adopted in accelerating cavity inner/outer tube junction; Form by accelerating cavity (4), high frequency power source, electron gun (1), condenser lens (2), revolution magnet (3), scanning system, control system, beam diagnostics system, vacuum system, cooling water system; The radial electric field of accelerating cavity and the orbit plane of electron beam all are parallel to ground.
2. high-power accelerator according to claim 1 is characterized in that the high frequency power source frequency of this accelerator is chosen to be 90 ± 2MHz, adopts tetrode; Electron gun (1) adopts the grid-controlled type triode gun, and extraction voltage is 60kV, pulsed operation, pulse duration 1.8ns, the strong 200mA of stream of pulses; Revolution magnet (3) totally 9, line passes accelerating cavity (4) 40 times.
3. high-power accelerator according to claim 1 is characterized in that the overall diameter of accelerating cavity (4): high=2.23 meters: 1.73 meters, inner surface is coated with the oxygen-free copper with excellent conductive performance; Be provided with the sampling apparatus of Automatic Frequency adjusting device and phase place automatic regulating system in the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201466056U CN201667758U (en) | 2009-04-22 | 2009-04-22 | High-power accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201466056U CN201667758U (en) | 2009-04-22 | 2009-04-22 | High-power accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667758U true CN201667758U (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201466056U Expired - Lifetime CN201667758U (en) | 2009-04-22 | 2009-04-22 | High-power accelerator |
Country Status (1)
| Country | Link |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578703A (en) * | 2016-03-03 | 2016-05-11 | 北京鑫智能技术股份有限公司 | One-outlet multi-shift energy electron beam petal accelerator |
| CN106954333A (en) * | 2017-03-28 | 2017-07-14 | 中国科学院上海光学精密机械研究所 | The multi-functional focusing arrangement and application method in laser plasma accelerated electron beam source |
| CN108024437A (en) * | 2017-12-13 | 2018-05-11 | 北京鑫智能技术股份有限公司 | Petal accelerator with integral vacuum box |
| CN110461083A (en) * | 2019-08-20 | 2019-11-15 | 中国科学技术大学 | A kind of jump magnet |
| CN110491621A (en) * | 2019-08-20 | 2019-11-22 | 中国科学技术大学 | A kind of jump magnet |
| CN110798960A (en) * | 2019-10-31 | 2020-02-14 | 广州华大生物科技有限公司 | Petal-shaped electron accelerator with continuously adjustable energy |
| CN111212512A (en) * | 2020-03-06 | 2020-05-29 | 陕西利友百辉科技发展有限公司 | Accelerating device, irradiation system and high-energy electron manufacturing equipment and using method thereof |
| CN111654968A (en) * | 2020-07-21 | 2020-09-11 | 中国原子能科学研究院 | Charged particle processing device for charged particle accelerator and accelerator |
| CN113692101A (en) * | 2020-05-19 | 2021-11-23 | 四川智研科技有限公司 | Compact electron accelerator |
-
2009
- 2009-04-22 CN CN2009201466056U patent/CN201667758U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578703A (en) * | 2016-03-03 | 2016-05-11 | 北京鑫智能技术股份有限公司 | One-outlet multi-shift energy electron beam petal accelerator |
| CN105578703B (en) * | 2016-03-03 | 2018-06-22 | 北京鑫智能技术股份有限公司 | Go out the petal-shaped accelerator of multi gear energy electronic beam flatly |
| CN106954333A (en) * | 2017-03-28 | 2017-07-14 | 中国科学院上海光学精密机械研究所 | The multi-functional focusing arrangement and application method in laser plasma accelerated electron beam source |
| CN106954333B (en) * | 2017-03-28 | 2018-11-20 | 中国科学院上海光学精密机械研究所 | The multi-functional focusing device and application method in laser plasma accelerated electron beam source |
| CN108024437A (en) * | 2017-12-13 | 2018-05-11 | 北京鑫智能技术股份有限公司 | Petal accelerator with integral vacuum box |
| CN110491621A (en) * | 2019-08-20 | 2019-11-22 | 中国科学技术大学 | A kind of jump magnet |
| CN110461083A (en) * | 2019-08-20 | 2019-11-15 | 中国科学技术大学 | A kind of jump magnet |
| CN110491621B (en) * | 2019-08-20 | 2021-07-09 | 中国科学技术大学 | Jumping magnet |
| CN110798960A (en) * | 2019-10-31 | 2020-02-14 | 广州华大生物科技有限公司 | Petal-shaped electron accelerator with continuously adjustable energy |
| CN111212512A (en) * | 2020-03-06 | 2020-05-29 | 陕西利友百辉科技发展有限公司 | Accelerating device, irradiation system and high-energy electron manufacturing equipment and using method thereof |
| CN113692101A (en) * | 2020-05-19 | 2021-11-23 | 四川智研科技有限公司 | Compact electron accelerator |
| CN113692101B (en) * | 2020-05-19 | 2023-06-16 | 四川智研科技有限公司 | Compact electron accelerator |
| CN111654968A (en) * | 2020-07-21 | 2020-09-11 | 中国原子能科学研究院 | Charged particle processing device for charged particle accelerator and accelerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUYAO SHUNCHENG ELECTRON ACCELERATOR TECHNOLOGY SE Free format text: FORMER OWNER: CHAONENG SCIENCE + TECH. CO., LTD., NINGBO Effective date: 20150127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150127 Address after: 315470, Ningbo City, Zhejiang province Yuyao Si Zhen West Industrial Zone Patentee after: Yuyao Shuncheng Electron Accelerator Technology Service Co., Ltd. Address before: 315470 Industrial Zone, west suburb, Si gate town, Ningbo, Zhejiang, Yuyao Patentee before: Chaoneng Science & Tech. Co., Ltd., Ningbo |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |
|
| CX01 | Expiry of patent term |