EP0041452A2 - Vorrichtung zum Verringern der thermischen Spannung in Wärmetauschern - Google Patents
Vorrichtung zum Verringern der thermischen Spannung in Wärmetauschern Download PDFInfo
- Publication number
- EP0041452A2 EP0041452A2 EP81400863A EP81400863A EP0041452A2 EP 0041452 A2 EP0041452 A2 EP 0041452A2 EP 81400863 A EP81400863 A EP 81400863A EP 81400863 A EP81400863 A EP 81400863A EP 0041452 A2 EP0041452 A2 EP 0041452A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkali metal
- heated
- liquid alkali
- annular
- conduits
- 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
Links
- 230000008646 thermal stress Effects 0.000 title claims abstract description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 36
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 14
- 229910052708 sodium Inorganic materials 0.000 description 14
- 239000011734 sodium Substances 0.000 description 14
- 230000035882 stress Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0206—Heat exchangers immersed in a large body of liquid
- F28D1/0213—Heat exchangers immersed in a large body of liquid for heating or cooling a liquid in a tank
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0054—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for nuclear applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
Definitions
- the present invention relates to a device for reducing thermal stresses on a heat exchanger between two circuits of liquid alkali metal circulating against the current, comprising an annular cylindrical tubular bundle surrounding an axial conduit for introducing the liquid alkali metal to be heated, and extended by an annular duct for evacuating the heated liquid alkali metal.
- the object of the present invention is to reduce these stresses to a level which is sufficiently low to no longer present a danger for the holding of the exchanger.
- the device according to the invention is characterized in that it comprises means for radially homogenizing the temperature of the alkali metal, comprising conduits taking a part of the relatively warmer alkali metal around the periphery of its flow and bringing it into the zone of its flow closer to the axis.
- FIG 1 shows the general structure of the exchanger.
- FIG. 2 represents the device for homogenizing the temperature of the heated secondary sodium.
- FIG. 3 represents the expansion bellows intended to absorb the residual thermal stresses.
- the exchanger is immersed in a bath 1 of primary sodium heated up in contact with the fast neutron nuclear reactor, below the protective slab 2.
- a vertical axial duct 3 is used for the introduction of the secondary sodium to reheat.
- This conduit opens into a lower chamber 5 below the annular tubular bundle 6, starting from a tubular plate 7. At the other end, the bundle opens onto the tubular plate 8. Openings 9 inlet and 10 outlet allow the circulation of primary sodium around the tubes and in counter-current of secondary sodium.
- the reheated secondary sodium is discharged through the vertical annular duct 11 around the casing 4 towards the outlet pipe 12.
- FIG. 3 represents the expansion bellows intended to absorb the residual thermal stresses which could remain between the shell 18 of the evacuation duct of the heated secondary sodium and the casing 4.
- the bellows 19 is welded at the end by means of a circular segment 20 at 21 to the double envelope 4. It is integral at its upper end with a crown 22 welded at the head of the ferrule 18, above the evacuation pipe 12.
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)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8012189A FR2483592A1 (fr) | 1980-06-02 | 1980-06-02 | Dispositif de reduction des contraintes thermiques sur un echangeur de chaleur |
FR8012189 | 1980-06-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0041452A2 true EP0041452A2 (de) | 1981-12-09 |
EP0041452A3 EP0041452A3 (en) | 1981-12-16 |
EP0041452B1 EP0041452B1 (de) | 1983-08-03 |
Family
ID=9242589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81400863A Expired EP0041452B1 (de) | 1980-06-02 | 1981-05-27 | Vorrichtung zum Verringern der thermischen Spannung in Wärmetauschern |
Country Status (6)
Country | Link |
---|---|
US (1) | US4423770A (de) |
EP (1) | EP0041452B1 (de) |
JP (1) | JPS57120096A (de) |
DE (1) | DE3160726D1 (de) |
ES (1) | ES502705A0 (de) |
FR (1) | FR2483592A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535836A1 (fr) * | 1982-11-05 | 1984-05-11 | Novatome | Echangeur de chaleur pour fluides a temperature elevee dont l'un des fluides entre et sort par la partie superieure de l'echangeur |
FR2548345A1 (fr) * | 1983-07-01 | 1985-01-04 | Commissariat Energie Atomique | Echangeur de chaleur c |
CN101174482B (zh) * | 2007-12-11 | 2010-12-22 | 中国原子能科学研究院 | 钠-空气热交换器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3419995A1 (de) * | 1984-05-29 | 1985-12-05 | Hoechst Ag, 6230 Frankfurt | Gentechnologisches verfahren zur herstellung von human-interleukin-2 und mittel zur durchfuehrung dieses verfahrens |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2079232A1 (de) * | 1970-02-04 | 1971-11-12 | Foster Wheeler Corp | |
FR2225710A1 (de) * | 1973-04-16 | 1974-11-08 | Atomic Energy Authority Uk | |
FR2358631A1 (fr) * | 1976-07-15 | 1978-02-10 | Combustion Eng | Echangeur de chaleur |
FR2394051A1 (fr) * | 1977-06-08 | 1979-01-05 | Interatom | Echangeur de chaleur pour fluides agressifs |
EP0006795A1 (de) * | 1978-06-22 | 1980-01-09 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Zwischenwärmeaustauscher für Kernreaktor mit schnellen Neutronen |
EP0012691A1 (de) * | 1978-12-12 | 1980-06-25 | Novatome | Verbesserungen an einem Wärmetauscher |
FR2452687A1 (fr) * | 1979-03-28 | 1980-10-24 | Stein Industrie | Echangeur de chaleur a zone centrale avec conduits coaxiaux et zone d'echange peripherique |
-
1980
- 1980-06-02 FR FR8012189A patent/FR2483592A1/fr active Granted
-
1981
- 1981-05-27 EP EP81400863A patent/EP0041452B1/de not_active Expired
- 1981-05-27 DE DE8181400863T patent/DE3160726D1/de not_active Expired
- 1981-06-01 JP JP56084254A patent/JPS57120096A/ja active Pending
- 1981-06-01 US US06/268,869 patent/US4423770A/en not_active Expired - Fee Related
- 1981-06-02 ES ES502705A patent/ES502705A0/es active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2079232A1 (de) * | 1970-02-04 | 1971-11-12 | Foster Wheeler Corp | |
FR2225710A1 (de) * | 1973-04-16 | 1974-11-08 | Atomic Energy Authority Uk | |
FR2358631A1 (fr) * | 1976-07-15 | 1978-02-10 | Combustion Eng | Echangeur de chaleur |
FR2394051A1 (fr) * | 1977-06-08 | 1979-01-05 | Interatom | Echangeur de chaleur pour fluides agressifs |
EP0006795A1 (de) * | 1978-06-22 | 1980-01-09 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Zwischenwärmeaustauscher für Kernreaktor mit schnellen Neutronen |
EP0012691A1 (de) * | 1978-12-12 | 1980-06-25 | Novatome | Verbesserungen an einem Wärmetauscher |
FR2452687A1 (fr) * | 1979-03-28 | 1980-10-24 | Stein Industrie | Echangeur de chaleur a zone centrale avec conduits coaxiaux et zone d'echange peripherique |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535836A1 (fr) * | 1982-11-05 | 1984-05-11 | Novatome | Echangeur de chaleur pour fluides a temperature elevee dont l'un des fluides entre et sort par la partie superieure de l'echangeur |
EP0108690A1 (de) * | 1982-11-05 | 1984-05-16 | Novatome | Wärmetauscher für Fluide hoher Temperatur, wobei eines der Fluide an der Oberseite des Wärmetauschers ein- und austritt |
FR2548345A1 (fr) * | 1983-07-01 | 1985-01-04 | Commissariat Energie Atomique | Echangeur de chaleur c |
EP0131508A1 (de) * | 1983-07-01 | 1985-01-16 | Commissariat à l'Energie Atomique | Ein mit einem Hilfskühler versehener Wärmetauscher |
CN101174482B (zh) * | 2007-12-11 | 2010-12-22 | 中国原子能科学研究院 | 钠-空气热交换器 |
Also Published As
Publication number | Publication date |
---|---|
FR2483592A1 (fr) | 1981-12-04 |
ES8204534A1 (es) | 1982-05-01 |
US4423770A (en) | 1984-01-03 |
JPS57120096A (en) | 1982-07-26 |
ES502705A0 (es) | 1982-05-01 |
EP0041452B1 (de) | 1983-08-03 |
EP0041452A3 (en) | 1981-12-16 |
FR2483592B1 (de) | 1985-02-08 |
DE3160726D1 (en) | 1983-09-08 |
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