JPH0360076B2 - - Google Patents
Info
- Publication number
- JPH0360076B2 JPH0360076B2 JP58171409A JP17140983A JPH0360076B2 JP H0360076 B2 JPH0360076 B2 JP H0360076B2 JP 58171409 A JP58171409 A JP 58171409A JP 17140983 A JP17140983 A JP 17140983A JP H0360076 B2 JPH0360076 B2 JP H0360076B2
- Authority
- JP
- Japan
- Prior art keywords
- pellets
- heating
- sec
- reducing atmosphere
- cooling
- 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 - Lifetime
Links
- 239000008188 pellet Substances 0.000 claims description 50
- 239000000446 fuel Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 description 11
- 238000003825 pressing Methods 0.000 description 10
- 238000005245 sintering Methods 0.000 description 6
- 229910052778 Plutonium Inorganic materials 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 229910002007 uranyl nitrate Inorganic materials 0.000 description 4
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- ZQPKENGPMDNVKK-UHFFFAOYSA-N nitric acid;plutonium Chemical compound [Pu].O[N+]([O-])=O ZQPKENGPMDNVKK-UHFFFAOYSA-N 0.000 description 3
- 229910000439 uranium oxide Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 230000002411 adverse Effects 0.000 description 1
- SHZGCJCMOBCMKK-KGJVWPDLSA-N beta-L-fucose Chemical compound C[C@@H]1O[C@H](O)[C@@H](O)[C@H](O)[C@@H]1O SHZGCJCMOBCMKK-KGJVWPDLSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/62—Ceramic fuel
- G21C3/623—Oxide fuels
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3235207A DE3235207C2 (de) | 1982-09-23 | 1982-09-23 | Verfahren zur Herstellung keramischer Brennstofftabletten |
| DE3235207.7 | 1982-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5975185A JPS5975185A (ja) | 1984-04-27 |
| JPH0360076B2 true JPH0360076B2 (esLanguage) | 1991-09-12 |
Family
ID=6173944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58171409A Granted JPS5975185A (ja) | 1982-09-23 | 1983-09-19 | セラミツク性燃料ペレツトの製法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4562017A (esLanguage) |
| EP (1) | EP0104521B1 (esLanguage) |
| JP (1) | JPS5975185A (esLanguage) |
| DE (2) | DE3235207C2 (esLanguage) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8724514D0 (en) * | 1987-10-20 | 1987-11-25 | British Nuclear Fuels Plc | Production of ceramic nuclear fuel pellets |
| FR2622343B1 (fr) * | 1987-10-26 | 1990-01-19 | Commissariat Energie Atomique | Procede de fabrication de pastilles de combustible nucleaire a base d'oxyde mixte (u, pu)o2 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4024209A (en) * | 1973-10-10 | 1977-05-17 | General Atomic Company | Method for making nuclear fuel rods |
| DE2611750C3 (de) * | 1976-03-19 | 1979-08-09 | Alkem Gmbh, 6450 Hanau | Verfahren zur Herstellung von Kernbrennstofftabletten |
| DE2623977C3 (de) * | 1976-05-28 | 1979-04-12 | Nukem Gmbh, 6450 Hanau | Verfahren und Vorrichtung zur Herstellung von rieselfähigem, direkt verpressbarem Urandioxid-Pulver |
| US4174938A (en) * | 1977-02-04 | 1979-11-20 | Westinghouse Electric Corp. | Remote nuclear green pellet processing apparatus |
| DE2842402C2 (de) * | 1978-09-29 | 1982-06-09 | Nukem Gmbh, 6450 Hanau | Verfahren zur Herstellung von keramischen Brennstofftabletten für Kernreaktoren |
| DE2921146C2 (de) * | 1979-05-25 | 1982-11-04 | Nukem Gmbh, 6450 Hanau | Verfahren zur Herstellung von keramischen Brennstofftabletten für Kernreaktoren |
| US4382048A (en) * | 1981-09-14 | 1983-05-03 | The United States Of America As Represented By The United States Department Of Energy | Method for producing sintered ceramic, layered, circular fuel pellets |
-
1982
- 1982-09-23 DE DE3235207A patent/DE3235207C2/de not_active Expired
-
1983
- 1983-09-09 DE DE8383108924T patent/DE3375342D1/de not_active Expired
- 1983-09-09 EP EP83108924A patent/EP0104521B1/de not_active Expired
- 1983-09-14 US US06/532,151 patent/US4562017A/en not_active Expired - Fee Related
- 1983-09-19 JP JP58171409A patent/JPS5975185A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0104521B1 (de) | 1988-01-13 |
| DE3235207C2 (de) | 1985-05-02 |
| DE3375342D1 (en) | 1988-02-18 |
| EP0104521A3 (en) | 1986-03-26 |
| JPS5975185A (ja) | 1984-04-27 |
| DE3235207A1 (de) | 1984-03-29 |
| US4562017A (en) | 1985-12-31 |
| EP0104521A2 (de) | 1984-04-04 |
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