US3721116A - Method for detecting steam leakage in a heat exchanger having circulation tubes surrounded by liquid sodium and devices for the application of said method - Google Patents

Method for detecting steam leakage in a heat exchanger having circulation tubes surrounded by liquid sodium and devices for the application of said method Download PDF

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Publication number
US3721116A
US3721116A US00093940A US3721116DA US3721116A US 3721116 A US3721116 A US 3721116A US 00093940 A US00093940 A US 00093940A US 3721116D A US3721116D A US 3721116DA US 3721116 A US3721116 A US 3721116A
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US
United States
Prior art keywords
tubes
tube
sodium
heat exchanger
leak
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 - Lifetime
Application number
US00093940A
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English (en)
Inventor
A Brachet
L Lannou
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
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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
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Publication of US3721116A publication Critical patent/US3721116A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/003—Multiple wall conduits, e.g. for leak detection
    • 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
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements or dispositions of alarm or automatic safety devices
    • F22B37/421—Arrangements for detecting leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/005—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for only one medium being tubes having bent portions or being assembled from bent tubes or being tubes having a toroidal configuration
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/002—Detection of leaks
    • 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

Definitions

  • the method according to the invention which consists as an initial step without modifying the pressure and temperature regime under normal operating conditions of the heat exchanger in locating and classifying the leakage in the category of micro-leaks by detection of hydrogen in the sodium by means of a known method and in selecting from all the heat-exchanger tubes a group of tubes containing the particular tube in which a micro-leak has developed.
  • the known method of detection of hydrogen consists in determining the quantity of hydrogen contained in the sodium after diffusion through a metallic membrane associated with an analytical device such as a mass spectrometer (the method just referred-to and the corresponding equipment being described in partlcular in report ANL.7520 entitled Proceedings of the International Conference on Sodium Technology and Large Fast Reactor Design Nov. 7-9, 1968 and especially in the article entitled Detection of Small Leaks by Hydrogen Measurements in Sodium-heated Steam Generator pp. 345 to 373).
  • an analytical device such as a mass spectrometer
  • the pressure of the steam within the heat exchanger tubes is reduced to a slightly higher value than that of the sodium in order to prevent penetration of this latter through the tube leak which it is sought to detect.
  • the pressure within the tubes of the selected group can be maintained by means of an inert gas such as argon or nitrogen which is supplied from an auxiliary external source.
  • Said intermediate inert gas is intended to replace the steam within the tubes of the group under consideration and has the advantage of preventing corrosion of the tubes as well as facilitating the necessary handling operations.
  • the pres sure of the inert gas is either equal to or higher than the steam pressure in the previous stage.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
US00093940A 1969-12-03 1970-12-01 Method for detecting steam leakage in a heat exchanger having circulation tubes surrounded by liquid sodium and devices for the application of said method Expired - Lifetime US3721116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6941746A FR2109027A5 (enrdf_load_stackoverflow) 1969-12-03 1969-12-03

Publications (1)

Publication Number Publication Date
US3721116A true US3721116A (en) 1973-03-20

Family

ID=9044028

Family Applications (1)

Application Number Title Priority Date Filing Date
US00093940A Expired - Lifetime US3721116A (en) 1969-12-03 1970-12-01 Method for detecting steam leakage in a heat exchanger having circulation tubes surrounded by liquid sodium and devices for the application of said method

Country Status (8)

Country Link
US (1) US3721116A (enrdf_load_stackoverflow)
BE (1) BE758890A (enrdf_load_stackoverflow)
CH (1) CH528718A (enrdf_load_stackoverflow)
FR (1) FR2109027A5 (enrdf_load_stackoverflow)
GB (1) GB1327068A (enrdf_load_stackoverflow)
IT (1) IT943507B (enrdf_load_stackoverflow)
NL (1) NL169245C (enrdf_load_stackoverflow)
SE (1) SE371710B (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969077A (en) * 1971-12-16 1976-07-13 Varian Associates Alkali metal leak detection method and apparatus
US4380168A (en) * 1979-07-12 1983-04-19 Hitachi, Ltd. Sodium leakage detection system and method of controlling the same
US20090145589A1 (en) * 2006-05-12 2009-06-11 Methanol Casale S.A. Isothermal Reactor
CN104534919A (zh) * 2014-11-24 2015-04-22 河南巨龙生物工程股份有限公司 一种同时进行发酵罐盘管除垢与检漏的方法
US9506785B2 (en) 2013-03-15 2016-11-29 Rain Bird Corporation Remote flow rate measuring
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US10634538B2 (en) 2016-07-13 2020-04-28 Rain Bird Corporation Flow sensor
CN115493428A (zh) * 2022-10-09 2022-12-20 长虹美菱股份有限公司 一种聚氨酯原料的防漏水冷换热器及其控制方法
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge
US12243659B2 (en) 2019-07-03 2025-03-04 Framatome Gmbh Hydrogenation system for a pressurized water reactor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401465B1 (en) * 2000-10-19 2002-06-11 Carrier Corporation Absorption chiller leak detection and location and checking hydrogen removing cells
FR2973876B1 (fr) * 2011-04-07 2013-10-18 Sarl R D C Productions Procede de test des plaques d'un echangeur de chaleur

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969077A (en) * 1971-12-16 1976-07-13 Varian Associates Alkali metal leak detection method and apparatus
US4380168A (en) * 1979-07-12 1983-04-19 Hitachi, Ltd. Sodium leakage detection system and method of controlling the same
US20090145589A1 (en) * 2006-05-12 2009-06-11 Methanol Casale S.A. Isothermal Reactor
US8307696B2 (en) * 2006-05-12 2012-11-13 Methanol Casale S.A. Isothermal reactor
US9506785B2 (en) 2013-03-15 2016-11-29 Rain Bird Corporation Remote flow rate measuring
CN104534919A (zh) * 2014-11-24 2015-04-22 河南巨龙生物工程股份有限公司 一种同时进行发酵罐盘管除垢与检漏的方法
CN104534919B (zh) * 2014-11-24 2016-03-16 河南巨龙生物工程股份有限公司 一种同时进行发酵罐盘管除垢与检漏的方法
US10634538B2 (en) 2016-07-13 2020-04-28 Rain Bird Corporation Flow sensor
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge
US12243659B2 (en) 2019-07-03 2025-03-04 Framatome Gmbh Hydrogenation system for a pressurized water reactor
CN115493428A (zh) * 2022-10-09 2022-12-20 长虹美菱股份有限公司 一种聚氨酯原料的防漏水冷换热器及其控制方法

Also Published As

Publication number Publication date
DE2059370A1 (de) 1971-06-16
DE2059370B2 (de) 1972-09-28
NL169245C (nl) 1982-06-16
SE371710B (enrdf_load_stackoverflow) 1974-11-25
IT943507B (it) 1973-04-10
GB1327068A (en) 1973-08-15
FR2109027A5 (enrdf_load_stackoverflow) 1972-05-26
NL7017454A (enrdf_load_stackoverflow) 1971-06-07
BE758890A (fr) 1971-04-16
CH528718A (fr) 1972-09-30
NL169245B (nl) 1982-01-18

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