EP0215214B1 - Echangeur de chaleur pour l'échange de chaleur entre un gaz chaud et un écoulement dans les surfaces de chauffe d'un faisceau tubulaire, en particulier d'un générateur de vapeur pour réacteurs à haute température refroidis par gaz - Google Patents

Echangeur de chaleur pour l'échange de chaleur entre un gaz chaud et un écoulement dans les surfaces de chauffe d'un faisceau tubulaire, en particulier d'un générateur de vapeur pour réacteurs à haute température refroidis par gaz Download PDF

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Publication number
EP0215214B1
EP0215214B1 EP86109002A EP86109002A EP0215214B1 EP 0215214 B1 EP0215214 B1 EP 0215214B1 EP 86109002 A EP86109002 A EP 86109002A EP 86109002 A EP86109002 A EP 86109002A EP 0215214 B1 EP0215214 B1 EP 0215214B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
gas
tube
heat
wall
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
EP86109002A
Other languages
German (de)
English (en)
Other versions
EP0215214A1 (fr
Inventor
Gustav Thönes
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller 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 L&C Steinmueller GmbH filed Critical L&C Steinmueller GmbH
Publication of EP0215214A1 publication Critical patent/EP0215214A1/fr
Application granted granted Critical
Publication of EP0215214B1 publication Critical patent/EP0215214B1/fr
Expired 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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1669—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1823—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines for gas-cooled nuclear reactors
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
    • Y10S165/40—Shell enclosed conduit assembly
    • Y10S165/401—Shell enclosed conduit assembly including tube support or shell-side flow director
    • Y10S165/405—Extending in a longitudinal direction
    • Y10S165/407—Extending in a longitudinal direction internal casing or tube sleeve

Definitions

  • the invention relates to a heat exchanger for the heat exchange between a hot gas and a fluid conducted in tube bundle heating surfaces, in particular steam generator for gas-cooled high-temperature reactors, with a pressure vessel, a heat exchanger vessel, tube bundles arranged in this, a hot gas line connected to a gas inlet at one end of the heat exchanger jacket, including one Gas guide tube, a gas outlet from the heat exchanger vessel to a circulating fan and supply and discharge lines for the fluid to be heated, wherein a deflection by essentially 90 ° takes place when the hot gas flows into the heat exchanger.
  • the gas flows in the annular space between the heat exchanger, in particular the steam generator jacket and the pressure vessel jacket, in the direction of the 90 ° deflection and is previously introduced into the riser pipe through a plurality of gas channels penetrating the upper end of the steam generator jacket and from there to the circulation fan, the Riser pipe is arranged in the part of the hot gas deflecting device which runs longitudinally to the container axis and which causes the deflection by 90 °.
  • the steam generator heating surfaces are arranged around a dead space.
  • riser pipe extends from the hot gas deflecting device that builds up the ring channel to the outlet end of the tube bundle.
  • the gas emerging from the tube bundles can be fed to the circulating fan in a central flow, without the need to penetrate the heat exchanger through gas routing channels, as proposed in EP-A2-205 973.
  • the dead space in the center of the tube bundle is used for the supply.
  • the gas emerging from the tube bundles is deflected by a gas guiding device in such a way that it flows along the surface of the heat exchanger jacket in the direction of the inlet end of the tube bundle, then again is deflected and along the inner wall of the pressure vessel jacket in the direction of the inlet end of the Riser pipe flows.
  • a gas guiding device By arranging such a baffle, the operational safety of the heat exchanger is improved.
  • a hot gas jet emerging from the jacket of the heat exchanger cannot strike the inner wall of the steam generator directly, but first hits the flow baffle.
  • the preferred flow guide ensures that the pressure vessel is subjected to a uniform operating temperature in the area of the heat exchanger. It is preferred that the heat exchanger be upright.
  • the figure shows a section through a steam generator as it is used to generate steam in gas-cooled thermal reactors.
  • a heat exchanger vessel 2 is arranged in a pressure vessel 1.
  • a cooling gas heated in a high-temperature reactor e.g. Helium introduced.
  • the coaxial line is formed by an inner gas guide tube 4 and an outer tube 5, which is welded to the pressure vessel 1.
  • a gas inlet opening 6a is assigned to the lateral coaxial line 3, which thus extends horizontally when the steam generator is standing upright, in the jacket 6 of the steam generator.
  • a riser pipe 7 extends through the heat exchanger and connects the lower end of the heat exchanger 2 to the inlet end 8 of a circulation fan, not shown.
  • the jacket 6 of the heat exchanger together with the outer wall of the riser pipe 7, delimits an annular channel 9 into which the hot gas HG flows via the gas inlet opening 6a.
  • the pipe heating surfaces 10 to be acted upon by the hot gas are arranged around the riser pipe 7 in the heat exchanger jacket 6.
  • the lower end of the tubular heating surfaces 10 is connected to a feed water inlet 11, while its upper end is connected to a hot steam outlet 12.
  • the connections are shown schematically in dash-dot lines in the figure. Insulations 13 are shown in the figure by cross hatching.
  • a gas deflector 14 is connected to the lower end of the riser pipe, which consists of a deflecting base 14a and a jacket 14b which extends in the annular space between jacket 6 of the heat exchanger 2 and the inner wall of the pressure vessel 1.
  • the free end of the deflecting jacket is associated at a distance with a deflecting hood 15, which is connected to both the heat exchanger 2 and the pressure vessel 1 in a gas-tight manner.
  • the heat exchanger is preferably suspended in the pressure vessel via this deflection hood 15.
  • the gas entering the tube bundle 10 via the gas inlet end 10a leaves the tube bundle 10b at its gas outlet end 10b and is deflected by the base plate into the annular space between the heat exchanger jacket 6 and the deflecting jacket 14.
  • the emerging hot gas jet strikes the deflecting jacket 14b and not the pressure vessel 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (4)

1. Echangeur de chaleur pour l'échange thermique entre un gaz chaud et un fluide qu'on fait passer dans les surfaces chauffantes d'un faisceau tubulaire, notamment générateur de vapeur pour réacteurs à haute température refoidis par gaz, comprenant une cuve de pression, une enveloppe d'échangeur de chaleur, das faisceaux tubulaires disposés dans celle-ci, une tubulure de gaz chaud, comportant un tuyau d'amenée de gaz et reliée à une entrée de gaz qui est située à une extrémité de l'enveloppe d'échangeur de chaleur, une sortie de gaz hors de l'enveloppe d'échangeur de chaleur et conduisant à une soufflante de circulation, et des tuyauteries d'introduction et d'évacuation pour le fluide à chauffer, tandis que le tuyau d'amenée de gaz de la tubulure de gaz chaud débouche latéralement dans l'enveloppe d'échangeur de chaleur et une chambre annulaire, qui est située dans l'enveloppe d'échangeur de chaleur en aval de l'entrée de gaz, est délimitée vers l'intérieur par un tuyau de montée qui forme la sortie de gaz vers la soufflante de circulation et dont l'axe est parallèle à celui de l'enveloppe de la cuve de pression et de l'enveloppe d'échangeur de chaleur, et que, à partir de cette chambre annulaire, le gaz entre dans les faisceaux tubulaires et sort en étant dévié, de préférence d'à peu près 180°, pour être envoyé à la soufflante de circulation par le tuyau de montée, caractérisé en ce que le tuyau de montée (7) s'étend de la chambre annulaire (9), suivant la direction des faisceaux tubulaires (10), à l'extrémité de sortie de gaz (10b) de ceux-ci.
2. Echangeur de chaleur suivant la revendication 1, caractérisé en ce que le gaz sortant des faisceaux tubulaires (10) est dévié par un dispositif de guidage de gaz ( 14; 14a, 14b; 15) de façon telle qu'il s'écoule le long de la surface de l'enveloppe d'échangeur de chaleur (6) en direction de l'extrémité d'entrée de gaz (10a) des faisceaux tubulaires (10), qu'il soit à nouveau dévié (en 15) et qu'il s'écoule le long de la paroi intérieure de l'enveloppe de cuve de pression (1) en direction de l'extrémité d'entrée du tuyau de montée (7).
3. Echangeur de chaleur suivant la revendication 1 ou 2, caractérisé en ce qu'il est disposé verticalement.
4. Echangeur de chaleur suivant l'une des revendications 1 à 3, caractérisé en ce que le tuyau de montée (7) est disposé au centre de l'enveloppe d'échangeur de chaleur (2) et de la cuve de pression (1
EP86109002A 1985-08-19 1986-07-02 Echangeur de chaleur pour l'échange de chaleur entre un gaz chaud et un écoulement dans les surfaces de chauffe d'un faisceau tubulaire, en particulier d'un générateur de vapeur pour réacteurs à haute température refroidis par gaz Expired EP0215214B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3529634 1985-08-19
DE19853529634 DE3529634A1 (de) 1985-08-19 1985-08-19 Waermetauscher fuer den waermetausch zwischen einem heissen gas und einem in rohrbuendelheizflaechen gefuehrten stroemungsmittel, insbesondere dampferzeuger fuer gasgekuehlte hochtemperaturreaktoren

Publications (2)

Publication Number Publication Date
EP0215214A1 EP0215214A1 (fr) 1987-03-25
EP0215214B1 true EP0215214B1 (fr) 1988-12-07

Family

ID=6278834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109002A Expired EP0215214B1 (fr) 1985-08-19 1986-07-02 Echangeur de chaleur pour l'échange de chaleur entre un gaz chaud et un écoulement dans les surfaces de chauffe d'un faisceau tubulaire, en particulier d'un générateur de vapeur pour réacteurs à haute température refroidis par gaz

Country Status (3)

Country Link
US (1) US4694897A (fr)
EP (1) EP0215214B1 (fr)
DE (1) DE3529634A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303341A1 (de) * 2003-01-29 2004-08-26 Alstom Technology Ltd Luftkühler für Kraftwerksanlagen sowie Anwendung eines solchen Luftkühlers
JP2012007761A (ja) * 2010-06-22 2012-01-12 Toshiba Corp 熱交換器および熱交換器の管台
EP3246647B1 (fr) * 2016-05-19 2019-10-30 Borgwarner Emissions Systems Spain, S.L.U. Dispositif d'échange de chaleur

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE717495C (de) * 1940-08-03 1942-02-16 Bergedorfer Eisenwerk Ag Verdampfer fuer Kaeltemaschinen
US2468903A (en) * 1945-09-22 1949-05-03 Tech Studien Ag Vertical tubular heat exchanger
NO125206B (fr) * 1969-07-04 1972-07-31 Norsk Hydro Elektrisk
GB1376566A (en) * 1972-02-22 1974-12-04 Trepaud G Heat exchanger
DE2448466A1 (de) * 1974-10-11 1976-04-22 Otto & Co Gmbh Dr C Kessel mit aus schweissbarem werkstoff bestehender wandung
DE2557085A1 (de) * 1975-12-18 1977-07-07 Otto & Co Gmbh Dr C Vorrichtung zur regulierung der wandtemperatur eines druckkessels
CH607803A5 (fr) * 1976-11-12 1978-10-31 Sulzer Ag
DE2846581A1 (de) * 1978-10-26 1980-05-08 Ght Hochtemperaturreak Tech Waermetauscher fuer gase von hoher temperatur
FR2458131A1 (fr) * 1979-05-31 1980-12-26 Commissariat Energie Atomique Echangeur intermediaire de chaleur pour reacteur nucleaire
FR2477265A1 (fr) * 1980-02-29 1981-09-04 Framatome Sa Generateur de vapeur a prechauffage
DE3012596A1 (de) * 1980-04-01 1981-10-08 Hochtemperatur-Reaktorbau GmbH, 5000 Köln Mit einem gasfoermigen primaermedium beheizter waermetauscher fuer eine kernreaktoranlage
CH645713A5 (de) * 1982-04-22 1984-10-15 Sulzer Ag Waermeuebertrager.
DE3421746C2 (de) * 1984-06-12 1994-06-09 Apparatebau Wiesloch Gmbh Wärmeaustauscher
DE3519038C1 (de) * 1985-05-28 1987-01-15 Steinmueller Gmbh L & C Kaltgas-Stroemungsfuehrung bei einem Dampferzeuger fuer einen Hochtemperaturreaktor

Also Published As

Publication number Publication date
DE3529634C2 (fr) 1987-07-30
EP0215214A1 (fr) 1987-03-25
US4694897A (en) 1987-09-22
DE3529634A1 (de) 1987-02-26

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