DE4023874C2 - - Google Patents
Info
- Publication number
- DE4023874C2 DE4023874C2 DE4023874A DE4023874A DE4023874C2 DE 4023874 C2 DE4023874 C2 DE 4023874C2 DE 4023874 A DE4023874 A DE 4023874A DE 4023874 A DE4023874 A DE 4023874A DE 4023874 C2 DE4023874 C2 DE 4023874C2
- Authority
- DE
- Germany
- Prior art keywords
- rod
- absorber
- extension
- absorber rod
- tip
- 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 - Fee Related
Links
- 239000006096 absorbing agent Substances 0.000 claims description 77
- 239000000463 material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
-
- 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
- G21C7/11—Deformable control elements, e.g. flexible, telescopic, articulated
-
- 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
- G21C7/107—Control elements adapted for pebble-bed 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
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4023874A DE4023874A1 (de) | 1990-07-27 | 1990-07-27 | Absorberstab, der in eine schuettung kugelfoermiger brennelemente einfahrbar ist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4023874A DE4023874A1 (de) | 1990-07-27 | 1990-07-27 | Absorberstab, der in eine schuettung kugelfoermiger brennelemente einfahrbar ist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4023874A1 DE4023874A1 (de) | 1992-02-06 |
| DE4023874C2 true DE4023874C2 (enrdf_load_stackoverflow) | 1993-05-19 |
Family
ID=6411123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4023874A Granted DE4023874A1 (de) | 1990-07-27 | 1990-07-27 | Absorberstab, der in eine schuettung kugelfoermiger brennelemente einfahrbar ist |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4023874A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005035462A1 (de) * | 2005-07-28 | 2007-02-01 | BSH Bosch und Siemens Hausgeräte GmbH | Gebläsevorrichtung für ein Gargerät |
| CN103456374B (zh) * | 2013-09-03 | 2015-09-30 | 清华大学 | 球床高温气冷堆反应性控制方法及套叠式控制棒 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2461999A1 (fr) * | 1979-07-16 | 1981-02-06 | Hochtemperatur Reaktorbau Gmbh | Reacteur a haute temperature et refroidissement par gaz, comportant un lit de boulets combustibles et des barres absorbantes, inserables directement dans le lit |
| DE3529242A1 (de) * | 1985-08-16 | 1987-02-19 | Hochtemperatur Reaktorbau Gmbh | Absorberstab |
-
1990
- 1990-07-27 DE DE4023874A patent/DE4023874A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE4023874A1 (de) | 1992-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |