KR840004610A - 레이저 핵오염 제거방법 - Google Patents

레이저 핵오염 제거방법 Download PDF

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Publication number
KR840004610A
KR840004610A KR1019830001506A KR830001506A KR840004610A KR 840004610 A KR840004610 A KR 840004610A KR 1019830001506 A KR1019830001506 A KR 1019830001506A KR 830001506 A KR830001506 A KR 830001506A KR 840004610 A KR840004610 A KR 840004610A
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KR
South Korea
Prior art keywords
laser
pulse
decontamination
joules
energy concentration
Prior art date
Application number
KR1019830001506A
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English (en)
Inventor
안소니 우식 테디우스 (외2)
Original Assignee
죠오지 메크린
웨스팅하우스 일렉트릭 코오포레이숀
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 죠오지 메크린, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 죠오지 메크린
Publication of KR840004610A publication Critical patent/KR840004610A/ko

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Classifications

    • 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
    • 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
    • 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

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  • 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)

Abstract

내용 없음

Description

레이저 핵오염 제거방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명에 사용되는 레이저실시의 구성도.

Claims (8)

  1. 방사정 핵부품들의 표면으로부터 방사능으로 오염된 금속산화물의 얇은층을 제거함으로 그 부품들과 관련딘 방사능 레벨을 낮추기 위한 방사성 핵부품의 핵오염제거방법에 있어서, 상기 표면들이 상기 산화물층의 두께에 대응하는 열침투를 달성하기에 충분한 에너지 집중도를 가지고 상기 산환물층의 두께보다 본질적으로 큰폭의 레이저 비임에 의해 주사되는 것을 특징으로 한 레이저 핵오염 제거방법.
  2. 제1항에 있어서, 상기 표면으로부터 제거된 오염물은 상기 부품으로부터 흡입되어 멀리 운반되어지는 것을 특징으로 한 레이저 핵오염 제거방법.
  3. 제2항에 있어서, 흡입증기는 폐기처분을 위해 오염물질의 수질을 위해 여과되는 것을 특징으로 한 레이저 핵오염 제거방법.
  4. 제1항부터 제3항까지의 어느 한항에 있어서, 상기 레이저는 표면에서 단위제곱센티미터당 4.6주울부터 23주울의 에너지 집중도를 가진 것을 특징으로 한 레이저 핵오염 제거방법.
  5. 제4항에 있어서, 상기 레이저는 상기 표면에서 단위제곱센티미터당 8.5주울의 에너지 집중도를 발생하는 것을 특징으로 한 레이저 핵오염 제거방법.
  6. 제5항에 있어서, 레이저는 약 0.3주울/펄스의 펄스를 발생하고, 약 1.06마이크로미터의 펄스파장과 30―40나노초의 펄스길이를 갖는 펄스를 발생하는 것을 특징으로 한 레이저 핵오염 제거방법.
  7. 제6항에 있어서, 상기 레이저는 네오디뮴 YAG펄스 레이저인 것을 특징으로 한 레이저 핵오염 제거방법.
  8. 제1항부터 제7항까지의 어느 한항에 있어서 레이저 비임은 직접 표면으로 그리고 상기 표면을 따라 상기 부품들 근처에 배열된 원격으로 이동가능한 반사기구에 의해서 이동되어지는 것을 특징으로 한 레이저 핵오염 제거방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830001506A 1982-04-11 1983-04-11 레이저 핵오염 제거방법 KR840004610A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36807582A 1982-04-14 1982-04-14
US368,075 1982-04-14

Publications (1)

Publication Number Publication Date
KR840004610A true KR840004610A (ko) 1984-10-22

Family

ID=23449771

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001506A KR840004610A (ko) 1982-04-11 1983-04-11 레이저 핵오염 제거방법

Country Status (7)

Country Link
EP (1) EP0091646B1 (ko)
JP (1) JPS58187898A (ko)
KR (1) KR840004610A (ko)
CA (1) CA1198482A (ko)
DE (1) DE3368800D1 (ko)
ES (1) ES8703050A1 (ko)
FR (1) FR2525380A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101437384B1 (ko) * 2013-01-31 2014-09-15 대한민국 Nd:YAG 레이저를 이용한 칠박도금 표면의 오염물 및 칠 층 제거방법

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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 (en) * 1992-01-04 1997-04-16 British Nuclear Fuels PLC Method of treating a surface contaminated with radionuclides
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 (en) * 1994-03-10 1995-09-14 Tsutomu Fukuda Coating removal apparatus
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
JP3461948B2 (ja) * 1995-02-06 2003-10-27 株式会社東芝 水中レーザ加工方法
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
EP3706140A1 (de) 2019-03-06 2020-09-09 Evekinger Rohr- und Profilwerke GmbH Vorrichtung und verfahren zur dekontamination einer wandfläche eines insbesondere rohrförmigen hohlkörpers
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)

* Cited by examiner, † Cited by third party
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 (ko) * 1975-02-14 1977-01-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101437384B1 (ko) * 2013-01-31 2014-09-15 대한민국 Nd:YAG 레이저를 이용한 칠박도금 표면의 오염물 및 칠 층 제거방법

Also Published As

Publication number Publication date
FR2525380A1 (fr) 1983-10-21
JPS58187898A (ja) 1983-11-02
DE3368800D1 (en) 1987-02-05
CA1198482A (en) 1985-12-24
JPH0145039B2 (ko) 1989-10-02
ES8703050A1 (es) 1987-01-16
ES521391A0 (es) 1987-01-16
EP0091646B1 (en) 1986-12-30
FR2525380B1 (ko) 1985-04-19
EP0091646A1 (en) 1983-10-19

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