FR2950434B1 - Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube - Google Patents

Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube

Info

Publication number
FR2950434B1
FR2950434B1 FR0956614A FR0956614A FR2950434B1 FR 2950434 B1 FR2950434 B1 FR 2950434B1 FR 0956614 A FR0956614 A FR 0956614A FR 0956614 A FR0956614 A FR 0956614A FR 2950434 B1 FR2950434 B1 FR 2950434B1
Authority
FR
France
Prior art keywords
deposits
tube
detection
wall
ferromagnetic material
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 - Fee Related
Application number
FR0956614A
Other languages
English (en)
Other versions
FR2950434A1 (fr
Inventor
Antoine Gemma
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR0956614A priority Critical patent/FR2950434B1/fr
Priority to PCT/EP2010/064017 priority patent/WO2011036193A1/fr
Publication of FR2950434A1 publication Critical patent/FR2950434A1/fr
Application granted granted Critical
Publication of FR2950434B1 publication Critical patent/FR2950434B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR0956614A 2009-09-24 2009-09-24 Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube Expired - Fee Related FR2950434B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0956614A FR2950434B1 (fr) 2009-09-24 2009-09-24 Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube
PCT/EP2010/064017 WO2011036193A1 (fr) 2009-09-24 2010-09-23 Perfectionnements à la détection de dépôts comportant au moins un matériau ferromagnétique sur ou à proximité de la paroi externe d'un tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0956614A FR2950434B1 (fr) 2009-09-24 2009-09-24 Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube

Publications (2)

Publication Number Publication Date
FR2950434A1 FR2950434A1 (fr) 2011-03-25
FR2950434B1 true FR2950434B1 (fr) 2011-11-25

Family

ID=42173746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0956614A Expired - Fee Related FR2950434B1 (fr) 2009-09-24 2009-09-24 Perfectionnements a la detection de depots comportant au moins un materiau ferromagnetique sur ou a proximite de la paroi externe d'un tube

Country Status (2)

Country Link
FR (1) FR2950434B1 (fr)
WO (1) WO2011036193A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2993090B1 (fr) * 2012-07-09 2014-08-08 Electricite De France Procede de detection du colmatage d'un echangeur thermique
FR3028042B1 (fr) * 2014-11-05 2016-12-16 Electricite De France Dispositif et procede de detection de depots d'au moins un materiau ferromagnetique sur la paroi externe d'un tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088946A (en) * 1975-07-28 1978-05-09 Westinghouse Electric Corp. Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen
DE3022060A1 (de) 1979-06-18 1981-01-22 Electric Power Res Inst Verfahren und vorrichtung zur feststellung von magnetitablagerungen
US4700134A (en) 1985-01-10 1987-10-13 Anco Engineers, Inc. Method and apparatus for determining the amount of magnetic debris adhering to the exterior of a tube
FR2834341B1 (fr) * 2001-12-28 2004-06-18 Commissariat Energie Atomique Sonde controle, par courants de foucault, d'un materiau entourant un tube, procede de traitement des signaux fournis par la sonde, application aux echangeurs de chaleur
DE102004054423B3 (de) * 2004-11-10 2006-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Materialprüfung und/oder Dickenmessung an einem wenigstens elektrisch leitende und ferromagnetische Materialanteile aufweisenden Prüfobjekt

Also Published As

Publication number Publication date
FR2950434A1 (fr) 2011-03-25
WO2011036193A1 (fr) 2011-03-31

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