CN203635552U - Laser cleaning system for removing radioactive pollution of nuclear power stations - Google Patents
Laser cleaning system for removing radioactive pollution of nuclear power stations Download PDFInfo
- Publication number
- CN203635552U CN203635552U CN201420016341.3U CN201420016341U CN203635552U CN 203635552 U CN203635552 U CN 203635552U CN 201420016341 U CN201420016341 U CN 201420016341U CN 203635552 U CN203635552 U CN 203635552U
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- Prior art keywords
- laser
- nuclear power
- decontamination
- cleaning system
- radioactive
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- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000003904 radioactive pollution Methods 0.000 title claims abstract description 21
- 230000002285 radioactive effect Effects 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 239000013077 target material Substances 0.000 claims abstract description 26
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 24
- 231100000719 pollutant Toxicity 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 24
- 238000005202 decontamination Methods 0.000 claims description 31
- 230000003588 decontaminative effect Effects 0.000 claims description 27
- 238000012806 monitoring device Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000003749 cleanliness Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002354 radioactive wastewater Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a laser cleaning system for removing radioactive pollution of nuclear power stations. The laser cleaning system comprises a laser generator, a laser transmission device, a manipulator device, an operation monitoring system, a control system and a waste recovery system. The laser generator is used for generating laser, the laser transmission device is connected with a laser output of the laser generator, the manipulator device is detachably connected with the laser transmission device to move the laser output of the laser transmission device to above the surface of pollutant, the operation monitoring system is arranged close to a target material, and the waste recovery system is used for recovering the radioactive pollutant removed from the target material. The laser cleaning system aims to remove the radioactive pollutant on components (or buildings) like surfaces of nuclear power station buildings, on-site fixtures and tools, and nuclear power station pipelines, pumps and various water tanks which are all subjected to the radioactive pollution, radioactive level of the operation object can be rapidly reduced, and cleanliness of the operation object can be realized simultaneously.
Description
Technical field
The utility model belongs to nuclear power technology field, is specifically related to the laser cleaning system that the decontamination of a kind of nuclear power station radioactive pollution is used.
Background technology
Along with the arriving on domestic new round nuclear power station Construction of Unit peak; country is more and more higher to the requirement of Nuclear Safety, nuclear pollution protective treatment, emergency processing, environmental protection etc.; corresponding technical need is also more and more urgent, and the demand that is especially related to the radioactive pollution decontamination treatment technology of Nuclear Safety will be all the more urgent.Long-term development in science and technology outline in country, in the preferential major fields of supporting, all mention nuclear power Environmental Safety protection question, point out to promote environmental protection industry development, primary study is applicable to great environmental protection equipment and the instrument and equipment of China's national situation, strengthen domestic environment-friendly products occupation rate of market, improve environmental protection equipment technical merit and strengthen nuclear facilities and radioactive sources safety supervision, guarantee nuclear pollution and Radiation Environment Safety.
Nuclear power station is in running, and the corrosion product of structural material and a circuit cools agent are subject to neutron activation to form radioactive substance, transmit, distribute, are deposited on the surface of pipeline, valve and the water pump of system.Along with the growth of nuclear power station active time, these radioactive substance accumulation are increasing, cause systems radiate field to strengthen, and staff is increased by irradiation dose.Therefore, need regularly or irregularly to carry out radioactive decontamination, protection power station safe operation, and reduce operations staff's collective radiation dosage.Along with domestic nuclear power Large scale construction and operation, needing the parts that carry out radioactive decontamination badly will get more and more.
Conventionally the radioactive decontamination method adopting is at present divided into machinery-Physical and chemical method substantially, and the former comprises mechanical wiping, high pressure water washing etc., and the latter is mainly dissolved surface oxides with strong acid, strong base solution.These traditional decontamination mode effects are limited, and shape, size to use occasion and member to be cleaned also have certain restriction.These decontamination modes can produce a large amount of waste water, waste liquid conventionally; On decontamination object, can exist radwaste residual; In clean, can produce secondary pollution to component surface, this can process with disposal and bring very big difficulty to follow-up radwaste.Also have the risk that base material is caused to corrosion, in addition, these cleaning ways mostly are manually closely operation, bring great health threat to operating personnel simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of nuclear power station radioactive pollution laser cleaning system that decontamination is used is provided, easily implemented radioactive pollution decontamination by alpha-contamination member (building) surface for nuclear power station building surface, on-the-spot frock and instrument, nuclear power station pipeline, pump, various ponds etc., radioactive level that can fast reducing manipulating object is realized the clean of manipulating object simultaneously.
For solving above technical problem, the utility model adopts following technical scheme:
The laser cleaning system that the decontamination of nuclear power station radioactive pollution is used, comprise the laser generator of the radioactive pollutant on target material being removed for generation of laser, the laser conduction device being connected with the laser output of described laser generator, be arranged near the operation monitoring system of described target material, control system and for reclaiming the waste recovery system of the radioactive pollutant of having removed from described target material, described laser conduction device is for transmitting the described laser being produced by described laser generator, described laser cleaning system also comprise can be connected separately with described laser conduction device for the laser output of described laser conduction device being moved to the robot device of described radioactive pollutant surface, described laser generator, described operation monitoring system is all connected with described control system with described robot device and works by described control system control.
Described robot device comprises the mobile foundation that is connected with described control system, is arranged on the manipulator on described mobile foundation, described mobile foundation arranges on the ground movably, and described mobile foundation and described manipulator are worked by described control system control.
Described laser generator is the high-frequency impulse laser instrument that pulse frequency is more than or equal to 40kHz, and its average laser power is more than or equal to 500w.
Described laser conduction device is optical fiber cable.
Described operation monitoring system comprises for the cleaning operation process monitoring device of the real-time described radioactive pollutant decontamination process of monitoring with for the radioactivity monitoring device of the variation of Real-Time Monitoring environment radioactive dosage, described cleaning operation process monitoring device is arranged near of the laser output of described laser conduction device, described radioactivity monitoring device has monitoring probe, and described monitoring probe is arranged near described target material movably.
Described waste recovery system comprises the refuse transfer tube that waste recovery device, one end are connected with described waste recovery device, the other end of described refuse transfer tube is placed in the top of described target material, described waste recovery device has motor, in the time that described motor is opened, the radioactive pollutant on the described target material after described laser cleaning is inhaled in described waste recovery device by described refuse transfer tube.
The other end of described refuse transfer tube is connected with suction inlet, and the size of described suction inlet is for can cover whole described laser cleaning operating area.
The laser output of described laser conduction device is arranged in described suction inlet, and described suction inlet moves along with the movement of the laser output of described laser conduction device.
In described waste recovery device, also have filter, described filter is connected with described refuse transfer tube.
Described laser cleaning system also comprises a movably dolly, and described laser generator is placed on described dolly.
Due to the enforcement of technique scheme, the utility model compared with prior art tool has the following advantages:
The utility model laser cleaning system is by laser ablation radioactive pollutant, and decontamination processing is carried out to radioactive pollutant above in the laser output arrival target material surface of moving laser conduction device by robot device, robot device is worked by control system control, realize the remote automation operation of laser cleaning system, radiation exposed risk reduces a staff.This laser cleaning system, owing to being to adopt laser cleaning, has good stability, in cleaning course under heat and radiation event, do not produce waste water, can reduce the discharge of nuclear power station radioactive wastewater, and there is no chemical action process, nuclear power plant equipment facility is not corroded.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model laser cleaning system;
In figure: 1, laser generator; 2, control system; 3, laser conduction device; 4, mobile foundation; 5, manipulator; 6, cleaning operation process monitoring device; 7, radioactivity monitoring device; 8, target material; 9, radioactive pollutant; 10, waste recovery device; 11, refuse transfer tube; 12, suction inlet; 13, laser beam; 14, filter; 15, motor.
The specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, the laser cleaning system that the decontamination of a kind of nuclear power station radioactive pollution is used, comprise laser generator 1, the laser conduction device 3 being connected with the laser output of laser generator 1 the radioactive pollutant on target material 89 removed for generation of laser, be arranged near operation monitoring system target material 8, control system 2 and for reclaiming the waste recovery system 10 of the radioactive pollutant 9 of having removed from described target material 8, laser conduction device 3 is for transmitting the laser being produced by laser generator 1.Laser cleaning system of the present utility model also comprise can be connected separately with laser conduction device 3 for the laser output of laser conduction device 3 being moved to the robot device of radioactive pollutant 9 surfaces.Particularly, laser generator 1 by laser generator control circuit be connected with control system 2, operation monitoring system by operation monitoring system control circuit be connected with control system 2, robot device passes through manipulator control circuit and is connected with control system 2, control system 2 is controlled laser generator 1, operation monitoring system and robot device work.
Robot device comprises the mobile foundation 4 that is connected with control system 2, is arranged on the manipulator 5 on mobile foundation 4, and mobile foundation 4 arranges on the ground movably, and mobile foundation 4 and manipulator 5 are by control system 2 control work.
In the present embodiment, operation monitoring system comprises for the cleaning operation process monitoring device 6 of real-time monitoring radioactive pollutant decontamination process with for the radioactivity monitoring device 7 of the variation of Real-Time Monitoring environment radioactivity situation.
Cleaning operation process monitoring device 6 adopts CCD and the real-time monitoring laser cleaning operation of infrared eye process, be arranged near the laser output of optical fiber cable, monitoring swashs the situation of movement of optical fiber cable laser output, monitoring laser cleaning clean effect, feed back the actual conditions of operation field by cleaning operation process monitoring device 6, adjust in time the rate travel of the laser output of optical fiber cable, realizing under clean prerequisite, improve rate travel, improve cleaning efficiency.
The variation of radioactive dosage in environment when radioactivity monitoring device 7 is mainly used in monitoring the variation of decontamination target material 8 radioactive dosages before laser cleaning operation, after operation and cleaning operation, radioactivity monitoring device 7 has monitoring probe, in the time carrying out cleaning operation, the position of monitoring probe converts with cleaning course, as before cleaning operation, monitoring probe is placed in to radioactive pollutant 9 surfaces; Complete after cleaning operation, be placed in target material 8 surfaces; In the time carrying out cleaning operation, be placed near target material 8 variation of radioactive dosage in surrounding being monitored.
In the present embodiment, waste recovery system comprises the refuse transfer tube 11 that waste recovery device 10, one end are connected with waste recovery device 10, the other end of refuse transfer tube 11 is placed in the top of target material 8, waste recovery device 10 has motor 15, in the time that motor 15 is opened, the radioactive pollutant 9 on the target material 8 after laser cleaning is inhaled in waste recovery device 10 by refuse transfer tube 11.As shown in Figure 1, the other end of refuse transfer tube 11 is connected with suction inlet 12, and the size of suction inlet 12 is for can cover whole laser cleaning operating area.The laser output of laser conduction device 3 is arranged in suction inlet 12, suction inlet 12 moves along with the movement of the laser output of laser conduction device 3, as shown in Figure 1, the laser beam 13 of laser output output is all positioned at suction inlet 12, so just can reduce radioactive pollutant disperse in air.In addition, can also be in the time that laser carries out radioactive pollution decontamination, adopt water or alcohol to be sprayed at and treat decontamination operation surface, in significantly improving laser cleaning detersive efficiency (surface coverage fluid film water, alcohol etc. can significantly improve detersive efficiency), the radioactive pollutant disperse that can also further reduce decontamination generation is in air.
Above the utility model is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (10)
1. the laser cleaning system that nuclear power station radioactive pollution decontamination is used, comprise the laser generator of the radioactive pollutant on target material being removed for generation of laser, the laser conduction device being connected with the laser output of described laser generator, be arranged near the operation monitoring system of described target material, control system and for reclaiming the waste recovery system of the radioactive pollutant of having removed from described target material, described laser conduction device is for transmitting the described laser being produced by described laser generator, it is characterized in that, described laser cleaning system also comprise can be connected separately with described laser conduction device for the laser output of described laser conduction device being moved to the robot device of described radioactive pollutant surface, described laser generator, described operation monitoring system is all connected with described control system with described robot device and works by described control system control.
2. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, it is characterized in that, described robot device comprises the mobile foundation that is connected with described control system, is arranged on the manipulator on described mobile foundation, described mobile foundation arranges on the ground movably, and described mobile foundation and described manipulator are worked by described control system control.
3. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, is characterized in that, described laser generator is the high-frequency impulse laser instrument that pulse frequency is more than or equal to 40kHz, and its average laser power is more than or equal to 500w.
4. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, is characterized in that, described laser conduction device is optical fiber cable.
5. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, it is characterized in that, described operation monitoring system comprises for the cleaning operation process monitoring device of the real-time described radioactive pollutant decontamination process of monitoring with for the radioactivity monitoring device of the variation of Real-Time Monitoring environment radioactive dosage, described cleaning operation process monitoring device is arranged near of the laser output of described laser conduction device, described radioactivity monitoring device has monitoring probe, and described monitoring probe is arranged near described target material movably.
6. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, it is characterized in that, described waste recovery system comprises the refuse transfer tube that waste recovery device, one end are connected with described waste recovery device, the other end of described refuse transfer tube is placed in the top of described target material, described waste recovery device has motor, in the time that described motor is opened, the radioactive pollutant on the described target material after described laser cleaning is inhaled in described waste recovery device by described refuse transfer tube.
7. the laser cleaning system that nuclear power station radioactive pollution according to claim 6 decontamination is used, is characterized in that, the other end of described refuse transfer tube is connected with suction inlet, and the size of described suction inlet is for can cover whole described laser cleaning operating area.
8. the laser cleaning system that nuclear power station radioactive pollution according to claim 7 decontamination is used, it is characterized in that, the laser output of described laser conduction device is arranged in described suction inlet, and described suction inlet moves along with the movement of the laser output of described laser conduction device.
9. the laser cleaning system that nuclear power station radioactive pollution according to claim 6 decontamination is used, is characterized in that, also has filter in described waste recovery device, and described filter is connected with described refuse transfer tube.
10. the laser cleaning system that nuclear power station radioactive pollution according to claim 1 decontamination is used, is characterized in that, described laser cleaning system also comprises a movably dolly, and described laser generator is placed on described dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016341.3U CN203635552U (en) | 2014-01-10 | 2014-01-10 | Laser cleaning system for removing radioactive pollution of nuclear power stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016341.3U CN203635552U (en) | 2014-01-10 | 2014-01-10 | Laser cleaning system for removing radioactive pollution of nuclear power stations |
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| CN203635552U true CN203635552U (en) | 2014-06-11 |
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| CN201420016341.3U Expired - Fee Related CN203635552U (en) | 2014-01-10 | 2014-01-10 | Laser cleaning system for removing radioactive pollution of nuclear power stations |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736693A (en) * | 2014-01-10 | 2014-04-23 | 苏州热工研究院有限公司 | Laser cleaning system for removing nuclear power station radioactive contamination |
| CN110136859A (en) * | 2019-05-24 | 2019-08-16 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | One kind i.e. paving receives automatic radioactive dust recyclable device |
| CN112331377A (en) * | 2020-09-16 | 2021-02-05 | 中广核研究院有限公司 | Automatic radionuclide removal method based on LIBS |
| CN112489845A (en) * | 2020-09-16 | 2021-03-12 | 中广核研究院有限公司 | Laser decontamination and recovery device for plate type heat exchange fins of PTR (thermal transport resistor) system of nuclear power station |
| CN113182279A (en) * | 2021-03-11 | 2021-07-30 | 海南核电有限公司 | Laser decontamination method |
-
2014
- 2014-01-10 CN CN201420016341.3U patent/CN203635552U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736693A (en) * | 2014-01-10 | 2014-04-23 | 苏州热工研究院有限公司 | Laser cleaning system for removing nuclear power station radioactive contamination |
| CN103736693B (en) * | 2014-01-10 | 2016-08-17 | 苏州热工研究院有限公司 | A kind of laser cleaning system for nuclear power station radioactive pollution decontamination |
| CN110136859A (en) * | 2019-05-24 | 2019-08-16 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | One kind i.e. paving receives automatic radioactive dust recyclable device |
| CN110136859B (en) * | 2019-05-24 | 2023-12-22 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Full-automatic radioactive dust recovery device capable of being paved and collected |
| CN112331377A (en) * | 2020-09-16 | 2021-02-05 | 中广核研究院有限公司 | Automatic radionuclide removal method based on LIBS |
| CN112489845A (en) * | 2020-09-16 | 2021-03-12 | 中广核研究院有限公司 | Laser decontamination and recovery device for plate type heat exchange fins of PTR (thermal transport resistor) system of nuclear power station |
| CN112331377B (en) * | 2020-09-16 | 2024-01-02 | 中广核研究院有限公司 | LIBS-based automatic radionuclide removal method |
| CN112489845B (en) * | 2020-09-16 | 2024-03-26 | 中广核研究院有限公司 | Laser decontamination and recovery device for plate type heat exchange plates of PTR (Positive temperature coefficient) system of nuclear power station |
| CN113182279A (en) * | 2021-03-11 | 2021-07-30 | 海南核电有限公司 | Laser decontamination method |
| CN113182279B (en) * | 2021-03-11 | 2023-07-14 | 海南核电有限公司 | Laser decontamination method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Guoxing Inventor after: Dong Yunfei Inventor after: Shi Yiling Inventor after: Hu Jinli Inventor after: Huang Jian Inventor after: Ye Lin Inventor after: Liu Zekun Inventor after: Tan Enwei Inventor after: Yao Zhimeng Inventor after: Luo Jinsong Inventor after: Yin Song Inventor after: Wu Shuhui Inventor after: Liu Ziping Inventor after: Feng Jincai Inventor after: Chen Jianbo Inventor before: Chen Guoxing Inventor before: Dong Yunfei Inventor before: Shi Yiling Inventor before: Hu Jinli Inventor before: Huang Jian Inventor before: Ye Lin Inventor before: Liu Zekun Inventor before: Tan Enwei Inventor before: Yao Zhimeng Inventor before: Luo Jinsong Inventor before: Yin Song Inventor before: Wu Shuhui Inventor before: Liu Ziping Inventor before: Feng Jincai Inventor before: Chen Jianbo |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161122 Address after: 215004 West Ring Road, Jiangsu, Suzhou, No. 1788 Patentee after: SUZHOU NUCLEAR POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: LINGDONG NUCLEAR POWER Co.,Ltd. Address before: 215004 West Ring Road, Jiangsu, Suzhou, No. 1788 Patentee before: SUZHOU NUCLEAR POWER RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA GENERAL NUCLEAR POWER Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 |