UST963003I4 - Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger - Google Patents

Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger Download PDF

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Publication number
UST963003I4
UST963003I4 US05/676,179 US67617976A UST963003I4 US T963003 I4 UST963003 I4 US T963003I4 US 67617976 A US67617976 A US 67617976A US T963003 I4 UST963003 I4 US T963003I4
Authority
US
United States
Prior art keywords
tube
tubes
heat exchanger
liquid metal
detecting
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.)
Pending
Application number
US05/676,179
Inventor
Steven L. Schrock
James D. Mangus
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 Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US05/676,179 priority Critical patent/UST963003I4/en
Priority to JP52041043A priority patent/JPS6046373B2/en
Priority to FR7710918A priority patent/FR2348483A1/en
Application granted granted Critical
Publication of UST963003I4 publication Critical patent/UST963003I4/en
Priority to US05/946,973 priority patent/US4199975A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/002—Detection of leaks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
    • G01M3/228—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for radiators
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

a method and apparatus for detecting a specific leaking tube or tubes and for detecting the position of a defect within a tube in a liquid metal-to-water tube type heat exchanger, generally used in a sodium cooled nuclear reactor. Subsequent to draining of the heat exchanger a solid reaction product of the liquid metal and water forms at a leak location. Introducing an inert gas to the exterior of the tubes, creating a pressure differential across the tube wherein the interior pressure is less than the exterior pressure, and heating the tube, provide dissociation and isolation of the reaction product, which, when analyzed for chemical content, indicates which tube or tubes is defective. A heat probe apparatus which traverses the interior of the tubes may be used in the heating step, which, as a result of the speed of the dissociation process at high temperatures provides a means for detecting the specific leak location within the tube. A heat apparatus which traverses the exterior of bayonet type tubes may be used in another embodiment.
US05/676,179 1976-04-12 1976-04-12 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger Pending UST963003I4 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US05/676,179 UST963003I4 (en) 1976-04-12 1976-04-12 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger
JP52041043A JPS6046373B2 (en) 1976-04-12 1977-04-12 Heat exchanger tube leak position detection method and device
FR7710918A FR2348483A1 (en) 1976-04-12 1977-04-12 METHOD AND APPARATUS FOR LOCATING A DEFECTIVE TUBE IN A TUBULAR LIQUID METAL-WATER TUBULAR TYPE HEAT EXCHANGER
US05/946,973 US4199975A (en) 1976-04-12 1978-09-29 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/676,179 UST963003I4 (en) 1976-04-12 1976-04-12 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/946,973 Continuation US4199975A (en) 1976-04-12 1978-09-29 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger

Publications (1)

Publication Number Publication Date
UST963003I4 true UST963003I4 (en) 1977-10-04

Family

ID=24713537

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/676,179 Pending UST963003I4 (en) 1976-04-12 1976-04-12 Method and apparatus for locating a defective tube of a liquid metal-to-water tube type heat exchanger

Country Status (3)

Country Link
US (1) UST963003I4 (en)
JP (1) JPS6046373B2 (en)
FR (1) FR2348483A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259152A (en) 1978-11-30 1981-03-31 The United States Of America As Represented By The Department Of Energy Weld failure detection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570187B1 (en) * 1984-09-07 1988-01-08 Electricite De France METHOD AND DEVICE FOR DETECTING AND LOCATING LEAKS IN A TUBULAR BEAM HEAT EXCHANGER AT STOPPED

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259152A (en) 1978-11-30 1981-03-31 The United States Of America As Represented By The Department Of Energy Weld failure detection

Also Published As

Publication number Publication date
JPS6046373B2 (en) 1985-10-15
FR2348483A1 (en) 1977-11-10
FR2348483B1 (en) 1984-02-10
JPS52127288A (en) 1977-10-25

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