EP0508315A1 - Echangeur de chaleur de sécurité - Google Patents

Echangeur de chaleur de sécurité Download PDF

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Publication number
EP0508315A1
EP0508315A1 EP92105738A EP92105738A EP0508315A1 EP 0508315 A1 EP0508315 A1 EP 0508315A1 EP 92105738 A EP92105738 A EP 92105738A EP 92105738 A EP92105738 A EP 92105738A EP 0508315 A1 EP0508315 A1 EP 0508315A1
Authority
EP
European Patent Office
Prior art keywords
pressure
tubes
medium
heat
filled
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.)
Granted
Application number
EP92105738A
Other languages
German (de)
English (en)
Other versions
EP0508315B1 (fr
Inventor
Karl-Heinz Funke
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.)
FUNKE WAERMEAUSTAUSCHER APPARATEBAU GMBH
Original Assignee
FUNKE WARMEAUSTAUSCHER APPARATEBAU GmbH
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 FUNKE WARMEAUSTAUSCHER APPARATEBAU GmbH filed Critical FUNKE WARMEAUSTAUSCHER APPARATEBAU GmbH
Publication of EP0508315A1 publication Critical patent/EP0508315A1/fr
Application granted granted Critical
Publication of EP0508315B1 publication Critical patent/EP0508315B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F28D7/10—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 being arranged one within the other, e.g. concentrically
    • F28D7/106—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 being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits

Definitions

  • the invention relates to a safety heat exchanger according to the preamble of claim 1.
  • a safety heat exchanger of this type in which the safety function is guaranteed even in the case of heat exchanger media which are not under pressure or also under vacuum, has become known from DE-OS 37 17 010.4.
  • the object of the present invention is to develop the safety heat exchanger mentioned above in such a way that the device for the Pressurization of the third heat transfer medium is particularly simple, reliable, largely maintenance-free and is designed to keep the pressure constant over a long period of time.
  • the device proposed according to the invention is characterized by a simple and inexpensive construction. Once the gas pressure has been filled up, it remains constant for a very long time, so that a check of the set gas pressure is only necessary at large time intervals. The device therefore works very reliably.
  • the drawing shows a section through a safety heat exchanger 2, which has two first tube sheets 4, 6 and a jacket 8 arranged between them and firmly connected to the tube sheets. Between the tube sheets, a tube bundle is arranged at a distance from the jacket, the tubes 9 of which each consist of two tubes 10 and 16 pushed into one another, of which the outer tubes 10 are arranged in the tube sheets 4 and 6 and the inner tubes 16 are sealed in second tube sheets 18 and 20.
  • the outer tubes 10 open on both sides in chambers 12 and 14 which are formed between the first and second tube sheets.
  • the outer diameter of the inner tubes 16 is only insignificantly smaller than the inner diameter of the outer tubes 10.
  • the chambers 12 and 14 stand with the annular spaces 22 between the outer tubes 10 and the inner tubes 16 in connection.
  • the annular spaces 22 and the chambers 12 and 14 are filled with a pressurized third heat transfer medium.
  • the inner tubes 16 open out on both sides in chambers 24 and 26, the chamber 26 being designed as a deflection chamber and the chamber 24 being divided into an inlet and outlet chamber with corresponding inlet and outlet ports.
  • the design can also be such that the chamber 24 is an inlet chamber with an inlet port 28 and the chamber 26 is the outlet chamber with an outlet port (not shown).
  • a first heat exchanger medium flows through the inner tubes 16, while a second heat exchanger medium flows through the jacket space 11 via inlet and outlet ports 27 and 29.
  • the annular spaces 22 and the chambers 12 and 14 form part of a safety circuit in which the heat transfer medium is at a pressure which is higher than the pressures of the heat exchange media in the inner tube 16 and the jacket space 11.
  • a pressure-exerting device 32 is connected to one of the chambers 12 and 14 , here to the chamber 14.
  • a pressure sensor 34 is connected to the other chamber of the safety circuit, here to chamber 12. In the event of a breakthrough of one of the inner tubes 16 and / or the outer tubes 10, this pressure sensor serves to indicate the pressure drop occurring in the safety circuit as a defect and, if appropriate, then to switch off the system.
  • the pressure exerting device 32 is formed by a vessel 36 partially filled with the third heat transfer medium. Above the media level (37), the vessel has a sufficiently dimensioned space 38 filled with a gas under a certain pressure.
  • the gas can be arranged in a bladder 40 arranged in the space 38 and filled with the pressurized gas be elastic material, for example rubber (shown in dashed lines in the figure).
  • the gas space 38 can also be delimited from the heat-transferring medium by an elastic membrane 42 (shown in broken lines in the figure).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP92105738A 1991-04-06 1992-04-03 Echangeur de chaleur de sécurité Expired - Lifetime EP0508315B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9104177U 1991-04-06
DE9104177U DE9104177U1 (de) 1991-04-06 1991-04-06 Sicherheitswärmeaustauscher

Publications (2)

Publication Number Publication Date
EP0508315A1 true EP0508315A1 (fr) 1992-10-14
EP0508315B1 EP0508315B1 (fr) 1996-01-17

Family

ID=6866031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105738A Expired - Lifetime EP0508315B1 (fr) 1991-04-06 1992-04-03 Echangeur de chaleur de sécurité

Country Status (2)

Country Link
EP (1) EP0508315B1 (fr)
DE (2) DE9104177U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778159A (zh) * 2011-05-13 2012-11-14 李文涛 防腐固态耐压全向热管

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1447979A (fr) * 1964-11-13 1966-08-05 Vase d'expansion pour installation à circuit fermé
FR1522381A (fr) * 1967-03-13 1968-04-26 Vase d'expansion sous pression pour des installations de chauffage à eau chaude
DE2459275A1 (de) * 1974-12-14 1976-06-16 Transformatoren Union Ag Einrichtung zur leckueberwachung zwischen zwei kuehlmittelkreislaeufen in einem waermetauscher, insbesondere zur rueckkuehlung von transformatoroel
DE3128497A1 (de) * 1981-07-18 1983-02-03 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau "waermeaustauscher"
CH647067A5 (en) * 1980-07-04 1984-12-28 Grumman Allied Industries Heat exchange system
DE3717010A1 (de) * 1987-05-21 1988-12-15 Funke Waerme Apparate Kg Sicherheitswaermeaustauscher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090554A (en) * 1976-11-17 1978-05-23 The Babcock & Wilcox Company Heat exchanger
DE3025075A1 (de) * 1980-07-02 1982-01-21 Grumman Energy Systems, Inc., Ronkonkoma, N.Y. Waermeaustauschsystem

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1447979A (fr) * 1964-11-13 1966-08-05 Vase d'expansion pour installation à circuit fermé
FR1522381A (fr) * 1967-03-13 1968-04-26 Vase d'expansion sous pression pour des installations de chauffage à eau chaude
DE2459275A1 (de) * 1974-12-14 1976-06-16 Transformatoren Union Ag Einrichtung zur leckueberwachung zwischen zwei kuehlmittelkreislaeufen in einem waermetauscher, insbesondere zur rueckkuehlung von transformatoroel
CH647067A5 (en) * 1980-07-04 1984-12-28 Grumman Allied Industries Heat exchange system
DE3128497A1 (de) * 1981-07-18 1983-02-03 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau "waermeaustauscher"
DE3717010A1 (de) * 1987-05-21 1988-12-15 Funke Waerme Apparate Kg Sicherheitswaermeaustauscher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778159A (zh) * 2011-05-13 2012-11-14 李文涛 防腐固态耐压全向热管

Also Published As

Publication number Publication date
EP0508315B1 (fr) 1996-01-17
DE9104177U1 (de) 1991-06-13
DE59205060D1 (de) 1996-02-29

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