CN102340922A - Electron accelerator - Google Patents
Electron accelerator Download PDFInfo
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- CN102340922A CN102340922A CN 201110226349 CN201110226349A CN102340922A CN 102340922 A CN102340922 A CN 102340922A CN 201110226349 CN201110226349 CN 201110226349 CN 201110226349 A CN201110226349 A CN 201110226349A CN 102340922 A CN102340922 A CN 102340922A
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- 230000001133 acceleration Effects 0.000 claims abstract description 21
- 238000010894 electron beam technology Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 238000012856 packing Methods 0.000 claims description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 230000005855 radiation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005025 nuclear technology Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Abstract
The invention relates to an electron accelerator which comprises a direct-current high-voltage power supply and a plurality of electro acceleration units. The electron accelerator is characterized in that the direct-current high-voltage power supply is connected with the electron acceleration units through a direct-current high-voltage insulation cable. One high-voltage power supply is provided with the electron acceleration units, thus the electron accelerator realizes the eduction of oversized beams of electron beams, is convenient for realization of modular design of the electron acceleration units, and has the advantages of being simple in maintaining failures, reducing overhaul time and operation time and improving production efficiency because the electron acceleration units can move freely relative to the high-voltage power supply and one electron acceleration unit can independently operate or the electron acceleration units can simultaneously operate.
Description
Technical field
The present invention relates to electron accelerator, specifically design the interconnection technique field of single high voltage source and polyelectron accelerator module.
Background technology
The electron beam irradiation processing industry is an emerging technology that on the agricultural use basis of nuclear technology, grows up, and is an economic benefit and the social benefit significant important industry of nuclear technology in civilian.Electron beam irradiation processing, physical effect, chemical effect and the biological effect of utilizing ionising radiation (electron beam that electron accelerator produces) and material effect to take place are exactly carried out the process of processed to material and material.Develop so far, electron beam irradiation processing mainly includes the application of irradiation Application in Chemical Engineering, irradiated food and pharmaceutical applications, medical article sterilizing sterilization, and the radiation treatment of " three wastes ".Along with the continuous expansion in market, this just requires big electronic beam current accelerator to occur, and enhances productivity.
At present, China's electron accelerator all belongs to an electronics accelerator module of high voltage source band structure mostly, and the line power output is little.Along with succeeding in developing of high-power high voltage power supply, the output line reaches more than the 1A, does not have restriction in principle.But, present stage the electron beam extraction window draw upper density limit about 100 μ A/cm2, draw the above strong current electron beam of 1A certainly will with the line extraction window do very big, 1A needs 10000cm
2Draw area, if the window of width 20cm, length and highly near 500cm, very huge, cost an arm and a leg.Its for a long time lasting emissivities do not reach 1A yet with regard to single electron gun, but also receive the restriction of accelerating tube accelerated electron beam intensity, so single supply band single electronic beam unit is very low to the utilance of high voltage source capacity.
It is two electronics accelerating system powering modes through high pressure distributor that the separate unit high voltage source has appearred in the existence of the problems referred to above then; Power supply belongs to hard with accelerating system and is connected; High to requirement on machining accuracy, bring very high processing cost simultaneously, installation cost and operating cost.And because the high pressure distributor structural limitations, the electronics accelerating system is difficult to above two.Another kind is; High voltage source with add fast unit in an airtight steel drum that is full of insulating gas, the high voltage source high-pressure side arrives a plurality of accelerator modules through a kind of metallic conduit with high-voltage transmission, this kind mode belongs to hard connection; The mobility of accelerator module a little less than; As long as there is an accelerator module fault need reclaim gas in the whole steel drum, this has just prolonged the maintenance time of fault, has reduced production efficiency.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electron accelerator, and the existing utilance to the high voltage source capacity of electron accelerator that overcomes existing single supply band list or twin-cathode ray beam unit is very low, the defective that line output is little.
For solving the problems of the technologies described above; The present invention provides a kind of electron accelerator; Comprise DC high-voltage power supply and electronics accelerator module, it is characterized in that the quantity of said DC high-voltage power supply is one; The quantity of said electronics accelerator module is a plurality of, and said DC high-voltage power supply, said a plurality of electronics accelerator modules have independently insulating gas respectively;
First through hole is opened at the power supply steel drum top of said DC high-voltage power supply; The quantity of said first through hole is corresponding to the quantity of said electronics accelerator module; The first high direct voltage insulated cable socket is installed in each said first through hole; First mounting flange is installed between said first high direct voltage insulated cable socket and said first through hole; Said first mounting flange is hedged off from the outer world near the insulating gas inherent said first through hole of said power supply steel drum; The said first high direct voltage insulated cable socket comprises first, second two electrodes, and said first electrode connects the high-pressure side of said DC high-voltage power supply, and said second electrode connects the electron gun heater circuit loop in the said power supply steel drum;
One second through hole is opened at the acceleration steel drum top of each said electronics accelerator module; The second high direct voltage insulated cable socket is installed in said second through hole; Second mounting flange is installed between said second high direct voltage insulated cable socket and said second through hole; Said second mounting flange is hedged off from the outer world near the insulating gas inherent said second through hole of said acceleration steel drum; The said second high direct voltage insulated cable socket comprises the 3rd, the 4 two electrode, and said third electrode connects accelerating tube high-pressure side in the said acceleration steel drum, and the 4th electrode connects the electron gun fire end of said electronics accelerator module;
Said high direct voltage insulated cable is positioned at said power supply steel drum, quickens the outside of steel drum; Its two ends connect the said first high direct voltage insulated cable socket through said first mounting flange respectively, connect the said second high direct voltage insulated cable socket through said second mounting flange.
Optimize, lay the caulking gum packing ring respectively in said first and second mounting flange.The envelope rubber washer; Bring trip bolt into through via hole on the ring flange; Make first fixed flange and power supply steel drum, second fixed flange and acceleration inner walls of steel drums stressed, the air seal that is used to insulate in crush seal rubber ring seal power supply steel drum, the acceleration steel drum, air tight.
Said power supply steel drum, the insulating gas that quickens in the steel drum are respectively the sulphur hexafluoride SF that maximum gas pressure is 0.8MPa
6Gas.
Optional, said high direct voltage insulated cable is buried underground depositedly.
Perhaps, said high direct voltage insulated cable is built on stilts lays.Between the acceleration steel drum in said power supply steel drum and electron-beam cell the direct current high voltage cable bearing is set also, said high direct voltage insulated cable is supported on the said direct current high voltage cable bearing.
Adopt electron accelerator of the present invention; Adopt a plurality of electronics accelerator module of separate unit high-power high voltage Power supply belt structure; Realized super large line (> 1A) electron beam draw; Be convenient to realize the modularized design of electronics accelerator module, the electronics accelerator module is relative to moving arbitrarily with high voltage source, and the electronics accelerator module can also can a plurality ofly move simultaneously in single operation.Therefore it is simple to have breakdown maintenance, reduces and produces and operating cost, the advantage of enhancing productivity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is further specified.
Fig. 1 is the syndeton sketch map of single high voltage source of the present invention and a plurality of electronics accelerator modules.
Fig. 2 is high direct voltage insulated cable socket of the present invention and steel drum syndeton.
Fig. 3 is the vertical view of the parallel distribution of a plurality of electronics accelerator module of the present invention.
Fig. 4 is the vertical view that a plurality of electronics accelerator module of the present invention is interspersed.
Fig. 5 is the relatively independent method of attachment sketch map of the shielded enclosure of single high voltage source and three electronics accelerator modules.
Among the figure, 1. DC high-voltage power supply, 2. the first high direct voltage insulated cable socket, 3. first mounting flange, 4. the high direct voltage insulated cable, 5. the direct current high voltage cable bearing, 6. the electronics accelerator module, 7. the DC power supply high-pressure side, 8. high pressure and electron gun current transmission line, 9. rubber gasket, 10 DC high-voltage power supply steel drums, 11. quicken steel drums, 12. shielded enclosures, 13. rollers, the former material of 14. tires.
Embodiment
Referring to Fig. 1, the sketch map of the syndeton of a kind of single high voltage source of the present invention and a plurality of electronics accelerator modules, three electronics accelerator modules of a DC high-voltage power supply band of expression structure among the figure.Comprise DC high-voltage power supply 1, three high direct voltage insulated cables 4, three direct current high voltage cable sockets 2, cable-sustainer 5, three electronics accelerator modules 6.
3 first through holes are opened at power supply steel drum 10 tops of DC high-voltage power supply 1; The first high direct voltage insulated cable socket 2 is installed in each first through hole; First mounting flange 3 is installed between the first high direct voltage insulated cable socket 2 and first through hole; In conjunction with shown in Figure 2, lay the caulking gum packing ring in first mounting flange, bring trip bolt into through via hole on the ring flange; Make first fixed flange and power supply inner walls of steel drums stressed, the maximum gas pressure that is used to insulate in the crush seal rubber ring seal power supply steel drum is the sulphur hexafluoride SF of 0.8MPa
6Air seal, air tight.The first high direct voltage insulated cable socket 2 comprises first, second two electrodes, and first electrode connects the electron gun heater circuit loop in the power supply steel drum 10 through high-pressure side 7, the second electrodes that high pressure and electron gun current transmission line 8 connect DC high-voltage power supply.
One second through hole is opened at acceleration steel drum 11 tops of each electronics accelerator module 6, and the second high direct voltage insulated cable socket is installed in second through hole, and second mounting flange is installed between the second high direct voltage insulated cable socket and second through hole.Lay the caulking gum packing ring in second mounting flange; Bring trip bolt into through via hole on the ring flange; Make second fixed flange stressed with acceleration steel drum 11 inwalls, the maximum gas pressure that the crush seal rubber ring seal is quickened to be used to insulate in the steel drum 11 is the sulphur hexafluoride SF of 0.8MPa
6Air seal, air tight.The second high direct voltage insulated cable socket comprises the 3rd, the 4 two electrode, and third electrode connects accelerating tube high-pressure side in the acceleration steel drum, and the 4th electrode connects the electron gun fire end of electronics accelerator module.
High direct voltage insulated cable 4 is positioned at power supply steel drum 10, quickens outside the steel drum 11; Every high direct voltage insulated cable 4 two ends connect the first high direct voltage insulated cable socket 2 through first mounting flange 3 respectively, connect the second high direct voltage insulated cable socket through second mounting flange.Between the acceleration steel drum in power supply steel drum and electron-beam cell direct current high voltage cable bearing 5 is set also, is used to support said high direct voltage insulated cable.Other embodiment is that high direct voltage insulated cable 4 is buried underground depositedly, also has same technique effect.
Three electronics accelerator modules as shown in Figure 5 have separately independently shielded enclosure 12 respectively.The specified high direct voltage value 500KV of high voltage source 1 draws electron beam flow valuve 1A the most by force.High voltage source height 3000mm, the about 6m of floor space
2Single electronics accelerator module 6 height 3600mm, electron beam extraction window length 1500mm, width 100mm.Draw upper density limit according to electron beam and about 100 μ A/cm2, calculate, each electron beam extraction window can maximum be drawn 150mA electron beam flow valuve.
The described connected mode of syndeton according to above-mentioned single high voltage source and three electronics accelerator modules is connected with accelerator module 6 DC high-voltage power supply 1.
Concrete application examples one: in the tire prevulcanization, run parameter is: line 150mA, high direct voltage 500KV, sweep length 1500mm, and scanning width 100mm, each electronics accelerator module is by the arrangement mode that is interspersed of Fig. 4.The former material of tire in first electronics accelerator module in the shielded enclosure is with the speed operation of 30m/min; The interior former material of tire of shielded enclosure moves with the speed of 40 m/min in second electronics accelerator module, and the interior former material of tire of shielded enclosure moves with the speed of 50 m/min in the 3rd the electronics accelerator module.Three former materials of different tires independently shield operation simultaneously in the radiation chamber at three, than single supply band list accelerator module, have lacked two high voltage sourcies, reduced the high voltage source cost of investment, reduced floor space.
Concrete application examples two: in the tire prevulcanization; Run parameter is: line 150mA, high direct voltage 500KV, sweep length 1500mm; Scanning width 100mm, the former material of tire are at radiation chamber speed of service 50m/min, and each electronics accelerator module is pressed the mode parallel arranged evenly of Fig. 3; Be the electronics accelerator module that the former material of tire passes through three parallel placements simultaneously, with the speed operation of 50m/min.Than high direct voltage 500KV; The single supply band single electron accelerator module of line value 150mA; The speed of service of tire is three times of single supply band single electron accelerator module in three electronics accelerator modules of single supply band syndeton; Because irradiation thing absorbed dose be inversely proportional in the radiation chamber time of staying, in utilization, improved production efficiency.
Those skilled in the art should understand, and above-mentioned implementation method is exemplary, in different irradiation utilizations, has the performance parameter of different operating and high voltage source and electronics accelerator module.Above-mentioned method of attachment of setting forth single supply and a plurality of electronics accelerator modules is at the application occasion that has big electronic beam current to draw.
Any electronics accelerator module fault; Dismountable corresponding high direct voltage insulated cable keeps in repair; Because DC high-voltage power supply and electronics accelerator module be not in same airtight space; Only the electronics accelerator module is carried out Gas Recovery during maintenance,, shorten the time of maintenance so in practice, reduce maintenance cost.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. electron accelerator; Comprise DC high-voltage power supply and electronics accelerator module, it is characterized in that the quantity of said DC high-voltage power supply is one; The quantity of said electronics accelerator module is a plurality of, and said DC high-voltage power supply, said a plurality of electronics accelerator modules have independently insulating gas respectively;
First through hole is opened at the power supply steel drum top of said DC high-voltage power supply; The quantity of said first through hole is corresponding to the quantity of said electronics accelerator module; The first high direct voltage insulated cable socket is installed in each said first through hole; First mounting flange is installed between said first high direct voltage insulated cable socket and said first through hole; Said first mounting flange is hedged off from the outer world near the insulating gas inherent said first through hole of said power supply steel drum; The said first high direct voltage insulated cable socket comprises first, second two electrodes, and said first electrode connects the high-pressure side of said DC high-voltage power supply, and said second electrode connects the electron gun heater circuit loop in the said power supply steel drum;
One second through hole is opened at the acceleration steel drum top of each said electronics accelerator module; The second high direct voltage insulated cable socket is installed in said second through hole; Second mounting flange is installed between said second high direct voltage insulated cable socket and said second through hole; Said second mounting flange is hedged off from the outer world near the insulating gas inherent said second through hole of said acceleration steel drum; The said second high direct voltage insulated cable socket comprises the 3rd, the 4 two electrode, and said third electrode connects accelerating tube high-pressure side in the said acceleration steel drum, and the 4th electrode connects the electron gun fire end of said electronics accelerator module;
Said high direct voltage insulated cable is positioned at said power supply steel drum, quickens the outside of steel drum; Its two ends connect the said first high direct voltage insulated cable socket through said first mounting flange respectively, connect the said second high direct voltage insulated cable socket through said second mounting flange.
2. electron accelerator according to claim 1 is characterized in that, lays the caulking gum packing ring respectively in said first and second mounting flange.
3. electron accelerator according to claim 2 is characterized in that, said power supply steel drum, the insulating gas that quickens in the steel drum are respectively the sulphur hexafluoride SF that maximum gas pressure is 0.8MPa
6Gas.
4. according to the described electron accelerator of one of claim 1-3, it is characterized in that said high direct voltage insulated cable is buried underground depositedly.
5. according to the described electron accelerator of one of claim 1-3, it is characterized in that, make somebody a mere figurehead at said high direct voltage insulated cable and lay.
6. electron accelerator according to claim 5; It is characterized in that; Between the acceleration steel drum in said power supply steel drum and electron-beam cell the direct current high voltage cable bearing is set also, said high direct voltage insulated cable is supported on the said direct current high voltage cable bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102263493A CN102340922B (en) | 2011-08-09 | 2011-08-09 | Electron accelerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102263493A CN102340922B (en) | 2011-08-09 | 2011-08-09 | Electron accelerator |
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| CN102340922A true CN102340922A (en) | 2012-02-01 |
| CN102340922B CN102340922B (en) | 2012-11-28 |
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| CN2011102263493A Expired - Fee Related CN102340922B (en) | 2011-08-09 | 2011-08-09 | Electron accelerator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510655A (en) * | 2011-09-22 | 2012-06-20 | 湖北久瑞核技术股份有限公司 | Electron beam current control device of electron accelerator |
| CN103108484A (en) * | 2012-12-26 | 2013-05-15 | 江苏达胜加速器制造有限公司 | High-pressure type accelerator |
| CN103298237A (en) * | 2013-06-13 | 2013-09-11 | 无锡爱邦辐射技术有限公司 | Accelerator with double accelerating tubes |
| CN104244561A (en) * | 2013-06-21 | 2014-12-24 | 同方威视技术股份有限公司 | Standing wave electron linear accelerator and container/vehicle inspection system |
| CN104302089A (en) * | 2014-10-11 | 2015-01-21 | 江苏达胜加速器制造有限公司 | Horizontal type self-shielding accelerator |
| CN104302087A (en) * | 2014-08-22 | 2015-01-21 | 江苏达胜加速器制造有限公司 | Split type high-frequency power oscillator |
| CN106211536A (en) * | 2016-08-30 | 2016-12-07 | 中广核达胜加速器技术有限公司 | Can half self-shielded electron accelerator in one |
| CN112243310A (en) * | 2019-07-16 | 2021-01-19 | 清华大学 | Multi-ray source accelerator and inspection method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510655A (en) * | 2011-09-22 | 2012-06-20 | 湖北久瑞核技术股份有限公司 | Electron beam current control device of electron accelerator |
| CN103108484A (en) * | 2012-12-26 | 2013-05-15 | 江苏达胜加速器制造有限公司 | High-pressure type accelerator |
| CN103298237A (en) * | 2013-06-13 | 2013-09-11 | 无锡爱邦辐射技术有限公司 | Accelerator with double accelerating tubes |
| CN104244561A (en) * | 2013-06-21 | 2014-12-24 | 同方威视技术股份有限公司 | Standing wave electron linear accelerator and container/vehicle inspection system |
| RU2628101C2 (en) * | 2013-06-21 | 2017-08-15 | Нактех Компани Лимитед | Linear accelerator of electrons on standing wave and container/vehicle inspecting system |
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| CN104302087A (en) * | 2014-08-22 | 2015-01-21 | 江苏达胜加速器制造有限公司 | Split type high-frequency power oscillator |
| CN104302089A (en) * | 2014-10-11 | 2015-01-21 | 江苏达胜加速器制造有限公司 | Horizontal type self-shielding accelerator |
| CN106211536A (en) * | 2016-08-30 | 2016-12-07 | 中广核达胜加速器技术有限公司 | Can half self-shielded electron accelerator in one |
| CN112243310A (en) * | 2019-07-16 | 2021-01-19 | 清华大学 | Multi-ray source accelerator and inspection method |
| CN112243310B (en) * | 2019-07-16 | 2022-04-22 | 清华大学 | Multi-ray source accelerator and inspection method |
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| CN102340922B (en) | 2012-11-28 |
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