JPH0145039B2 - - Google Patents
Info
- Publication number
- JPH0145039B2 JPH0145039B2 JP58062057A JP6205783A JPH0145039B2 JP H0145039 B2 JPH0145039 B2 JP H0145039B2 JP 58062057 A JP58062057 A JP 58062057A JP 6205783 A JP6205783 A JP 6205783A JP H0145039 B2 JPH0145039 B2 JP H0145039B2
- Authority
- JP
- Japan
- Prior art keywords
- laser
- approximately
- radiation
- component
- joules
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 18
- 230000002285 radioactive effect Effects 0.000 claims description 14
- 238000005202 decontamination Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical group [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 claims 2
- 231100000719 pollutant Toxicity 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 32
- 230000003287 optical effect Effects 0.000 description 18
- 230000008439 repair process Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003588 decontaminative effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
- F22B37/003—Maintenance, repairing or inspecting equipment positioned in or via the headers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
- G21F9/005—Decontamination of the surface of objects by ablation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Laser Beam Processing (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36807582A | 1982-04-14 | 1982-04-14 | |
US368075 | 1982-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58187898A JPS58187898A (ja) | 1983-11-02 |
JPH0145039B2 true JPH0145039B2 (fr) | 1989-10-02 |
Family
ID=23449771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58062057A Granted JPS58187898A (ja) | 1982-04-14 | 1983-04-07 | レ−ザによる除染法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0091646B1 (fr) |
JP (1) | JPS58187898A (fr) |
KR (1) | KR840004610A (fr) |
CA (1) | CA1198482A (fr) |
DE (1) | DE3368800D1 (fr) |
ES (1) | ES8703050A1 (fr) |
FR (1) | FR2525380A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08206869A (ja) * | 1995-02-06 | 1996-08-13 | Toshiba Corp | 水中レーザ加工方法および装置 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2169496B (en) * | 1985-01-16 | 1987-12-23 | Stc Plc | Cleaning metal surfaces |
US5643472A (en) * | 1988-07-08 | 1997-07-01 | Cauldron Limited Partnership | Selective removal of material by irradiation |
US5821175A (en) * | 1988-07-08 | 1998-10-13 | Cauldron Limited Partnership | Removal of surface contaminants by irradiation using various methods to achieve desired inert gas flow over treated surface |
US5531857A (en) * | 1988-07-08 | 1996-07-02 | Cauldron Limited Partnership | Removal of surface contaminants by irradiation from a high energy source |
US6048588A (en) * | 1988-07-08 | 2000-04-11 | Cauldron Limited Partnership | Method for enhancing chemisorption of material |
FR2674983B1 (fr) * | 1991-04-05 | 1994-08-05 | Framatome Sa | Procede et equipement de travail au laser dans une zone contaminee d'une installation nucleaire. |
FR2678418B1 (fr) * | 1991-06-26 | 1994-08-05 | Framatome Sa | Procede de travail au laser dans une zone contaminee d'une installation nucleaire, et equipement pour sa mise en óoeuvre. |
EP0574564B1 (fr) * | 1992-01-04 | 1997-04-16 | British Nuclear Fuels PLC | Procede de traitement d'une surface contaminee par des radionucleides |
FR2700882B1 (fr) * | 1993-01-26 | 1995-03-03 | Commissariat Energie Atomique | Procédé et installation de décontamination d'une surface radioactive au moyen d'un faisceau de lumière cohérente. |
GB9322845D0 (en) * | 1993-11-05 | 1993-12-22 | British Nuclear Fuels Plc | A method of treating a surface |
GB9323052D0 (en) * | 1993-11-09 | 1994-01-05 | British Nuclear Fuels Plc | Radioactive decontamination |
JP2615362B2 (ja) * | 1994-02-10 | 1997-05-28 | 理化学研究所 | レーザによる表面付着物の除去方法及び装置 |
CA2162573A1 (fr) * | 1994-03-10 | 1995-09-14 | Tsutomu Fukuda | Appareil servant a l'enlevement d'un revetement |
GB9407058D0 (en) * | 1994-04-09 | 1994-06-01 | British Nuclear Fuels Plc | Material removal by laser ablation |
GB9412238D0 (en) * | 1994-06-17 | 1994-08-10 | British Nuclear Fuels Plc | Removing contamination |
DE69612411T2 (de) * | 1995-01-31 | 2001-12-06 | Toshiba Kawasaki Kk | Unterwasserbehandlungsverfahren und -system |
TW284907B (en) * | 1995-06-07 | 1996-09-01 | Cauldron Lp | Removal of material by polarized irradiation and back side application for radiation |
US5780806A (en) * | 1995-07-25 | 1998-07-14 | Lockheed Idaho Technologies Company | Laser ablation system, and method of decontaminating surfaces |
DE102005009324B9 (de) * | 2005-02-24 | 2008-05-21 | Technische Universität Dresden | Verfahren und Vorrichtung zur Dekontamination von Oberflächen |
FR2887161B1 (fr) * | 2005-06-20 | 2007-09-07 | Commissariat Energie Atomique | Procede et dispositif d'ablation laser d'une couche superficielle d'une paroi, telle q'un revetement de peinture dans une installation nucleaire |
JP5500620B2 (ja) * | 2009-04-28 | 2014-05-21 | 独立行政法人日本原子力研究開発機構 | 除染装置及び除染方法 |
US10112257B1 (en) | 2010-07-09 | 2018-10-30 | General Lasertronics Corporation | Coating ablating apparatus with coating removal detection |
US9895771B2 (en) | 2012-02-28 | 2018-02-20 | General Lasertronics Corporation | Laser ablation for the environmentally beneficial removal of surface coatings |
KR101437384B1 (ko) * | 2013-01-31 | 2014-09-15 | 대한민국 | Nd:YAG 레이저를 이용한 칠박도금 표면의 오염물 및 칠 층 제거방법 |
EP3706140A1 (fr) | 2019-03-06 | 2020-09-09 | Evekinger Rohr- und Profilwerke GmbH | Dispositif et procédé de décontamination d'une surface de paroi d'un corps creux, en particulier tubulaire |
FR3100002B1 (fr) | 2019-08-21 | 2021-11-19 | Onet Tech Cn | Procédé pour décontaminer par laser pulsé une pièce métallique comprenant à sa surface une couche d’oxydes de métaux |
FR3101558B1 (fr) | 2019-10-03 | 2021-10-22 | Onet Tech Cn | Procédé pour décontaminer une pièce métallique contenant un gaz par irradiation laser dans un milieu liquide |
DE102021110458B4 (de) | 2021-04-23 | 2022-12-29 | Evekinger Rohr- Und Profilwerke Gmbh | Vorrichtung zur Behandlung einer Innenwandfläche eines Hohlkörpers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1382915A (en) * | 1972-04-25 | 1975-02-05 | British Nuclear Fuels Ltd | Decontamination of fuel element sheaths |
LU71852A1 (fr) * | 1975-02-14 | 1977-01-05 |
-
1983
- 1983-03-30 CA CA000424947A patent/CA1198482A/fr not_active Expired
- 1983-04-06 DE DE8383103326T patent/DE3368800D1/de not_active Expired
- 1983-04-06 EP EP83103326A patent/EP0091646B1/fr not_active Expired
- 1983-04-07 JP JP58062057A patent/JPS58187898A/ja active Granted
- 1983-04-11 KR KR1019830001506A patent/KR840004610A/ko not_active Application Discontinuation
- 1983-04-12 ES ES521391A patent/ES8703050A1/es not_active Expired
- 1983-04-13 FR FR8306046A patent/FR2525380A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08206869A (ja) * | 1995-02-06 | 1996-08-13 | Toshiba Corp | 水中レーザ加工方法および装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2525380A1 (fr) | 1983-10-21 |
JPS58187898A (ja) | 1983-11-02 |
KR840004610A (ko) | 1984-10-22 |
DE3368800D1 (en) | 1987-02-05 |
CA1198482A (fr) | 1985-12-24 |
ES8703050A1 (es) | 1987-01-16 |
ES521391A0 (es) | 1987-01-16 |
EP0091646B1 (fr) | 1986-12-30 |
FR2525380B1 (fr) | 1985-04-19 |
EP0091646A1 (fr) | 1983-10-19 |
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