ES8802541A1 - Un metodo para la limpieza local de superficies metalicas departes incluidas en el circuito primario de un reactor nu- clear - Google Patents

Un metodo para la limpieza local de superficies metalicas departes incluidas en el circuito primario de un reactor nu- clear

Info

Publication number
ES8802541A1
ES8802541A1 ES544821A ES544821A ES8802541A1 ES 8802541 A1 ES8802541 A1 ES 8802541A1 ES 544821 A ES544821 A ES 544821A ES 544821 A ES544821 A ES 544821A ES 8802541 A1 ES8802541 A1 ES 8802541A1
Authority
ES
Spain
Prior art keywords
coated
nuclear reactor
inspection
reactor
connection
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
Application number
ES544821A
Other languages
English (en)
Other versions
ES544821A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Sweden AB
Original Assignee
ASEA Atom AB
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 ASEA Atom AB filed Critical ASEA Atom AB
Publication of ES8802541A1 publication Critical patent/ES8802541A1/es
Publication of ES544821A0 publication Critical patent/ES544821A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/003—Remote inspection of vessels, e.g. pressure vessels
    • G21C17/01—Inspection of the inner surfaces of vessels
    • 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
    • G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
    • G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning In General (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

METODO PARA LA LIMPIEZA LOCAL DE SUPERFICIES METALICAS (15, 24) DE PARTES (10, 14) INCLUIDAS EN EL CIRCUITO PRIMARIO DE UN REACTOR NUCLEAR, SUPERFICIES QUE ESTAN REVESTIDAS CON PRODUCTOS CORROSIVOS, EN CONEXION CON LA INSPECCION DE LAS SUPERFICIES, LA SUPERFICIE REVESTIDA MIENTRAS ESTA POR DEBAJO DE LA SUPERFICIE DEL AGUA DEL REACTOR (13) EN LA VASIJA (10) O EN LA PISCINA (12) DEL REACTOR NUCLEAR, SE PONE EN CONTACTO CON UN ESPACIADOR (16), PERMEABLE ELECTROLITICAMENTE, DE MATERIAL AISLANTE ELECTROLITICAMENTE, QUE, A UNA DISTANCIA DE LA SUPERFICIE METALICA REVESTIDA, SE DISPONE EN CONTACTO CON UN CUERPO DE MATERIAL CONDUCTO ELECTRICO Y EL ELECTROLITO (21) SE SUMINISTRA AL ESPACIADOR Y SE MANTIENE UNA DIFERENCIA DE POTENCIA ELECTRICO ENTRE LA SUPERFICIE METALICA REVESTIDA Y EL CUERPO DE MATERIAL CONDUCTOR CONECTADO ESTA SUPERFICIE AL POLO POSITIVO (18) Y EL CUERPO AL NEGATICO (19) DE UNA FUENTE DE TENSION (20).
ES544821A 1984-07-04 1985-07-02 Un metodo para la limpieza local de superficies metalicas departes incluidas en el circuito primario de un reactor nu- clear Expired ES8802541A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8403542A SE443002B (sv) 1984-07-04 1984-07-04 Sett for lokal rengoring av med korrosionsprodukter, fremst oxider, belagda metallytor pa en kernreaktor i samband med inspektion

Publications (2)

Publication Number Publication Date
ES8802541A1 true ES8802541A1 (es) 1988-07-01
ES544821A0 ES544821A0 (es) 1988-07-01

Family

ID=20356439

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544821A Expired ES8802541A1 (es) 1984-07-04 1985-07-02 Un metodo para la limpieza local de superficies metalicas departes incluidas en el circuito primario de un reactor nu- clear

Country Status (8)

Country Link
US (1) US4661220A (es)
JP (1) JPS6125099A (es)
CH (1) CH664980A5 (es)
DE (1) DE3522944C2 (es)
ES (1) ES8802541A1 (es)
FI (1) FI82156C (es)
IT (1) IT1208815B (es)
SE (1) SE443002B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488644A (en) * 1994-07-13 1996-01-30 General Electric Company Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules
US5519747A (en) * 1994-10-04 1996-05-21 General Electric Company Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle
US5546437A (en) * 1995-01-11 1996-08-13 General Electric Company Spacer for nuclear fuel rods
US5566217A (en) * 1995-01-30 1996-10-15 General Electric Company Reduced height spacer for nuclear fuel rods
US5675621A (en) * 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
DE19603902C2 (de) * 1996-02-03 1999-06-17 Tzn Forschung & Entwicklung Verfahren und Anordnung zum Ablösen von Rückständen insbesondere zur Dekontaminierung in kerntechnischen Anlagen
US5864596A (en) * 1996-07-10 1999-01-26 Commonwealth Edison Company Polymer dispersants and methods of use in a nuclear steam generator
JP2937986B1 (ja) * 1998-02-09 1999-08-23 株式会社東芝 原子力発電所におけるメンテナンス工法
CN100577893C (zh) * 2005-12-23 2010-01-06 中国辐射防护研究院 一种去除金属表面放射性污染的电解去污方法
WO2008110587A1 (en) * 2007-03-13 2008-09-18 Novo Nordisk A/S An electrolytic cip-cleaning process for removing impurities from the inner surface of a metallic container
JP5341721B2 (ja) * 2009-11-16 2013-11-13 日立Ｇｅニュークリア・エナジー株式会社 原子炉炉内構造物表面の電解エッチング方法および装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1369271A (en) * 1919-07-03 1921-02-22 Thomas A Edison Cleaning of metallic surfaces
SU753931A1 (ru) * 1977-01-03 1980-08-07 Предприятие П/Я А-7631 Устройство дл электролитической очистки металлических поверхностей
US4318786A (en) * 1980-03-10 1982-03-09 Westinghouse Electric Corp. Electrolytic decontamination
JPS6029920B2 (ja) * 1981-01-23 1985-07-13 株式会社東芝 放射性物質で汚染された表面の除染方法
FR2534410A1 (fr) * 1982-10-12 1984-04-13 Sfermi Procede et dispositif de decontamination de generateur de vapeur annexe a un reacteur nucleaire
JPS5985899A (ja) * 1982-11-09 1984-05-17 Hitachi Ltd 表面金属酸化物の電解除去方法
DE3343396A1 (de) * 1983-11-30 1985-06-05 Kraftwerk Union AG, 4330 Mülheim Verfahren zum dekontaminieren metallischer komponenten einer kerntechnischen anlage

Also Published As

Publication number Publication date
FI852635A0 (fi) 1985-07-03
DE3522944A1 (de) 1986-01-09
ES544821A0 (es) 1988-07-01
SE443002B (sv) 1986-02-10
FI82156C (fi) 1991-01-10
FI852635L (fi) 1986-01-05
US4661220A (en) 1987-04-28
IT8567612A0 (it) 1985-07-03
JPS6125099A (ja) 1986-02-03
SE8403542L (es) 1986-01-05
CH664980A5 (de) 1988-04-15
DE3522944C2 (de) 1994-10-20
IT1208815B (it) 1989-07-10
FI82156B (fi) 1990-09-28
SE8403542D0 (sv) 1984-07-04

Similar Documents

Publication Publication Date Title
PL238788A1 (en) Narrow-gap electrolyser
ES8802541A1 (es) Un metodo para la limpieza local de superficies metalicas departes incluidas en el circuito primario de un reactor nu- clear
ES8704266A1 (es) Un electrodo para medidas electroquimicas en soluciones acuosas a altas temperaturas
SE8306144L (sv) Oxidanoder for anvendning i katodiskt skydd med patryckt strom
ES8401152A1 (es) Perfeccionamientos en la fabricacion de electrodos de metal de valvulas, recubiertos para la obtencion electrolitica de metales.
GB2100290B (en) Corrosion protection system
BR8206356A (pt) Conjunto catodico metodo de execucao de conjunto eletrodico celula eletrolitica
GB2076427B (en) The in situ metal plating of the cathode terminal surface of an electrochemical cell
ES511416A0 (es) Un metodo de revestir electroliticamente una superficie electricamente conductora que sirve de catodo en un circuito electrico.
JPS57158395A (en) Method and apparatus for preventing plating on back side in electroplating
SU1236019A1 (ru) Устройство дл электролитического травлени металлических поверхностей
JPS5789520A (en) Electrolytic burr removing machining electrode
ATE77694T1 (de) System zur kontrolle von korrosion durch duenne schichten korrodierender fluide.
Goolsby Cathodic Protection Monitoring System
JPS56135071A (en) Ink jet recorder
ES8501008A1 (es) Metodo para realizar un conjunto de catodo
JPS52149295A (en) Protecting method for electrolytic bath
DE3277587D1 (en) An electrode structure for electrolyser cells
JPS55134195A (en) Chemical treating method for aluminum fiber
Winslow Jr Cathodic Protection Monitoring
JPS5593037A (en) Liquid leakage detector
JPS5623297A (en) Partial plating method
Giesel et al. Electrodepositing Metallic Layers; Joining Pipes
SE8202749L (sv) Kontaktanordning
JPS55113900A (en) Electroplating method

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040601