CH650352A5 - Verfahren zum befestigen und entfernen eines neutronen absorbierenden stabes und einrichtung mit einem armstern zum aufnehmen eines stabes. - Google Patents
Verfahren zum befestigen und entfernen eines neutronen absorbierenden stabes und einrichtung mit einem armstern zum aufnehmen eines stabes. Download PDFInfo
- Publication number
- CH650352A5 CH650352A5 CH8628/79A CH862879A CH650352A5 CH 650352 A5 CH650352 A5 CH 650352A5 CH 8628/79 A CH8628/79 A CH 8628/79A CH 862879 A CH862879 A CH 862879A CH 650352 A5 CH650352 A5 CH 650352A5
- Authority
- CH
- Switzerland
- Prior art keywords
- stem
- opening
- arm star
- rod
- arm
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- 230000007704 transition Effects 0.000 claims description 4
- 239000002574 poison Substances 0.000 claims description 2
- 231100000614 poison Toxicity 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 28
- 238000010304 firing Methods 0.000 description 9
- 239000000446 fuel Substances 0.000 description 7
- 238000010008 shearing Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- 229910052580 B4C Inorganic materials 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 229910001093 Zr alloy Inorganic materials 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
- G21C7/04—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect of burnable poisons
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
- G21C7/117—Clusters of control rods; Spider construction
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Catalysts (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Clamps And Clips (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95252278A | 1978-10-18 | 1978-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH650352A5 true CH650352A5 (de) | 1985-07-15 |
Family
ID=25492987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH8628/79A CH650352A5 (de) | 1978-10-18 | 1979-09-25 | Verfahren zum befestigen und entfernen eines neutronen absorbierenden stabes und einrichtung mit einem armstern zum aufnehmen eines stabes. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5928875B2 (es) |
| CA (1) | CA1132728A (es) |
| CH (1) | CH650352A5 (es) |
| DE (1) | DE2929465C2 (es) |
| ES (2) | ES484631A0 (es) |
| FR (1) | FR2439457A1 (es) |
| GB (2) | GB2077483B (es) |
| IT (1) | IT1124381B (es) |
| MX (1) | MX6683E (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337636C1 (de) * | 1983-10-15 | 1987-01-02 | Brown Boveri Reaktor GmbH, 6800 Mannheim | Verfahren und Einrichtung zum Austausch von Neutronenabsorberstaeben |
| US4576787A (en) * | 1983-12-21 | 1986-03-18 | Westinghouse Electric Corp. | Burnable absorber assembly |
| DE3567306D1 (en) * | 1984-03-30 | 1989-02-09 | Westinghouse Electric Corp | An improved control rod spider assembly for a nuclear reactor fuel assembly |
| US4640813A (en) * | 1984-09-26 | 1987-02-03 | Westinghouse Electric Corp. | Soluble burnable absorber rod for a nuclear reactor |
| FR2599884B1 (fr) * | 1986-06-10 | 1988-10-07 | Fragema Framatome & Cogema | Grappe de reglage munie de crayons demontables pour assemblage de combustible nucleaire |
| FR2633435B1 (fr) * | 1988-06-28 | 1990-11-09 | Framatome Sa | Grappe de reglage a crayons demontables pour assemblage combustible nucleaire |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR633615A (fr) * | 1927-04-30 | 1928-02-01 | Soc Fr Constr Babcock & Wilcox | Procédé de mandrinage de pièces tubulaires dans les trous d'autres pièces |
| US3314859A (en) * | 1963-12-05 | 1967-04-18 | Combustion Eng | Nuclear reactor fuel assembly-control rod organization |
| GB1152003A (en) * | 1965-08-17 | 1969-05-14 | Atomic Energy Authority Uk | Improvements relating to Nuclear Reactors |
| GB1112946A (en) * | 1965-08-10 | 1968-05-08 | Atomic Energy Authority Uk | Improvements relating to nuclear reactors |
| FR2208730B1 (es) * | 1972-12-05 | 1978-03-10 | Kerjean Yves | |
| FR2233587A1 (en) * | 1973-06-14 | 1975-01-10 | Chausson Usines Sa | Tube bundle heat exchanger - has tube ends shaped as complementary polygons |
-
1979
- 1979-06-15 CA CA329,872A patent/CA1132728A/en not_active Expired
- 1979-07-20 DE DE2929465A patent/DE2929465C2/de not_active Expired
- 1979-08-08 GB GB8121246A patent/GB2077483B/en not_active Expired
- 1979-08-08 GB GB7927621A patent/GB2032163B/en not_active Expired
- 1979-09-25 CH CH8628/79A patent/CH650352A5/de not_active IP Right Cessation
- 1979-09-25 MX MX798399U patent/MX6683E/es unknown
- 1979-09-28 IT IT09548/79A patent/IT1124381B/it active
- 1979-10-01 ES ES484631A patent/ES484631A0/es active Granted
- 1979-10-16 FR FR7925657A patent/FR2439457A1/fr active Granted
- 1979-10-17 JP JP54133043A patent/JPS5928875B2/ja not_active Expired
-
1980
- 1980-09-08 ES ES494899A patent/ES8302345A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5557188A (en) | 1980-04-26 |
| FR2439457B1 (es) | 1984-06-08 |
| IT7909548A0 (it) | 1979-09-28 |
| IT1124381B (it) | 1986-05-07 |
| GB2032163B (en) | 1982-09-15 |
| ES8101803A1 (es) | 1980-12-16 |
| GB2077483B (en) | 1983-04-27 |
| ES494899A0 (es) | 1982-12-16 |
| GB2077483A (en) | 1981-12-16 |
| FR2439457A1 (fr) | 1980-05-16 |
| ES484631A0 (es) | 1980-12-16 |
| DE2929465A1 (de) | 1980-04-24 |
| MX6683E (es) | 1985-10-08 |
| JPS5928875B2 (ja) | 1984-07-16 |
| ES8302345A1 (es) | 1982-12-16 |
| DE2929465C2 (de) | 1983-12-01 |
| CA1132728A (en) | 1982-09-28 |
| GB2032163A (en) | 1980-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |