SE507525C2 - Process for making elongated capsules for storing burnt out nuclear fuel elements - Google Patents
Process for making elongated capsules for storing burnt out nuclear fuel elementsInfo
- Publication number
- SE507525C2 SE507525C2 SE9603757A SE9603757A SE507525C2 SE 507525 C2 SE507525 C2 SE 507525C2 SE 9603757 A SE9603757 A SE 9603757A SE 9603757 A SE9603757 A SE 9603757A SE 507525 C2 SE507525 C2 SE 507525C2
- Authority
- SE
- Sweden
- Prior art keywords
- nuclear fuel
- fuel elements
- package
- cast
- capsule
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
- G21F5/008—Containers for fuel elements
Abstract
Description
507 525 ål. fyrkantrör, vilka hopfogas och fixeras till önskad grupper- ing, exempelvis hopsvetsas, liksom stag mellan rören, varefter rörpaketet vid behov fylles med fyllmedel, exempelvis skänkmassa, och förvärmes. Det förvärmda rörpaketet placeras i en underdel till en form och övriga formdelar sättas pá plats, varefter gjutning av manteln sker stående, eller liggande vid lämplig storlek, exempelvis med ingjuten utförda på olika nivàer. Som metall användes exem- pelvis stål SS 1306 eller annat material. Kapslarna skall vara lànga och med ett förhållande längdzdiameter mellan 3:1 och 6:1., men även andra förhållanden kan förekomma. 507 525 eel. square tubes, which are joined and fixed to the desired grouping for example, welded together, as well as struts between the pipes, after which the pipe package is filled with filler if necessary, for example, ladle mass, and preheated. It preheated the pipe package is placed in a lower part of one mold and the other molded parts are put in place, after which the casing is cast standing, or lying at a suitable size, for example with castings performed at different levels. As the metal, for example, pelvis steel SS 1306 or other material. The capsules should be long and with a length diameter ratio between 3: 1 and 6: 1., but other conditions may also occur.
Utrustningar för extrema proportioner kan byggas.Equipment for extreme proportions can be built.
En fördel med förfarandet är stränga rakhetstoleranser eller andra toleranser för kapseln kan erhàllas och, givetvis, att kapseln kan framställas överhuvudtaget. Kravet kan exempelvis vara (vid fyrkantrör) att en tolk med dimensionen l53:l53:4500 kan föras genom kapselns hàl.An advantage of the method is strict straightness tolerances or other tolerances of the capsule may be obtained and, of course, that the capsule can be manufactured at all. The requirement may, for example, be (in the case of square tubes) that an interpreter with dimension l53: l53: 4500 can be passed through the hole of the capsule.
Den färdiga kapseln skall primärt användas för förvaring av utbrända kärnbränsleelement eller annat material, och skall runtom och i ändarna på känt sätt tätas med en yttermantel av koppar.The finished capsule should primarily be used for storage of spent nuclear fuel elements or other materials, and shall be sealed around and at the ends in a known manner with a outer sheath of copper.
Ritningar: Förfaringssättet enligt uppfinningen är exemplifierat i bifogade ritningar. I figur 1 visas i längdsektion en kapsel, som skall gjutas, och figur 2 visar samma kapsel i tvärsek- tion. Figur 3 visar en tvärsektion genom ett paket av fyrkantrör. ¿_ »5u7 525 " 3 Utföringsexempel: I figur 1 och 2 visas en färdig kapsel, här ett paket av 12 st fyrkantrör (2), vilka sammansvetsas till ett paket och fyllas med fyllmassa, varefter förvärmning vid behov sker.Drawings: The method according to the invention is exemplified in attached drawings. Figure 1 shows in longitudinal section a capsule, to be cast, and Figure 2 shows the same capsule in cross-section tion. Figure 3 shows a cross section through a package of square tube. ¿_ »5u7 525 "3 Exemplary embodiments: Figures 1 and 2 show a finished capsule, here a package of 12 pcs square tubes (2), which are welded together into a package and filled with filling mass, after which preheating takes place if necessary.
Förhållandet kapsellängd (L) och diameter (D) är här 4,9:1.The ratio of capsule length (L) and diameter (D) here is 4.9: 1.
Kapseln skall efter inplacering av kärnbränsleelement omslutas av en yttermantel av koppar (l) och ändstycken av samma material.The capsule should after placement of nuclear fuel elements enclosed by an outer sheath of copper (l) and end pieces of same material.
Det hopsvetsade rörpaketet (figur 1 och 2) ställes upprätt och fixeras i en underdel eller kärna till en gjutform. Övriga delar av formen sättas pà plats, och gjutningen i stàl sker stáende eller liggande, exempelvis i ingjut pà olika nivàer. Materialet i rören är vanligen stál, SS 1312, och gjutningen sker i stàl, väggtjocklek 10 mm. Sedan gjutkroppen svalnat tömmes den pä skänkmassan. Man kan använda ett eller flera ingjut pà en eller flera niváer, och detta bestäms av gjutvikt, dimensioner osv.The welded pipe package (Figures 1 and 2) is placed upright and fixed in a base or core of a mold. Other parts of the mold are put in place, and the casting in steel occurs standing or lying down, for example in infused on different level. The material of the pipes is usually steel, SS 1312, and the casting is done in steel, wall thickness 10 mm. Then the casting body cooled, it is emptied onto the ladle mass. You can use one or several cast at one or more levels, and this is determined by casting weight, dimensions, etc.
I figur 3 visas fyrkantrören och sedermera de raka hålen (2), där mellan rören (2) svetsats stag (5). Efter elementens inplacering tillslutes kapseln i koppar pà känt sätt.Figure 3 shows the square tubes and later the straight holes (2), where braces (5) are welded between the pipes (2). After the element placement, the capsule is sealed in copper in a known manner.
Förfaringssättet enligt uppfinningen kan varieras pà màngahanda sätt inom ramen för nedanstående patentkrav.The method according to the invention can be varied in many ways within the scope of the following claims.
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603757A SE507525C2 (en) | 1996-10-15 | 1996-10-15 | Process for making elongated capsules for storing burnt out nuclear fuel elements |
PCT/SE1997/001658 WO1998016936A1 (en) | 1996-10-15 | 1997-10-03 | Method of manufacturing oblong capsules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603757A SE507525C2 (en) | 1996-10-15 | 1996-10-15 | Process for making elongated capsules for storing burnt out nuclear fuel elements |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9603757D0 SE9603757D0 (en) | 1996-10-15 |
SE9603757L SE9603757L (en) | 1998-04-16 |
SE507525C2 true SE507525C2 (en) | 1998-06-15 |
Family
ID=20404244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9603757A SE507525C2 (en) | 1996-10-15 | 1996-10-15 | Process for making elongated capsules for storing burnt out nuclear fuel elements |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE507525C2 (en) |
WO (1) | WO1998016936A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE525468C2 (en) * | 2002-11-29 | 2005-03-01 | Oyster Internat Nv C O H B Man | Container device for storing hazardous materials, in particular for final storage of nuclear fuel, and methods for its preparation |
RU2536441C1 (en) * | 2013-07-16 | 2014-12-27 | Федеральное Государственное унитарное предприятие "Российский Федеральный ядерный центр-Всероссийский научно-исследовательский институт экспериментальной физики-ФГУП "РФЯЦ-ВНИИЭФ" | Cover for placing and storing spent fuel assemblies for rbmk-1000 reactor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3140020C2 (en) * | 1981-10-08 | 1986-11-06 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Process for the production of a dense and homogeneous cast casing for a container with highly radioactive content and device for carrying out the process |
US5438597A (en) * | 1993-10-08 | 1995-08-01 | Vectra Technologies, Inc. | Containers for transportation and storage of spent nuclear fuel |
KR100315869B1 (en) * | 1994-03-22 | 2002-02-28 | 모리스 다니엘 | Nuclear Fuel Assembly Rack |
FR2717945B1 (en) * | 1994-03-24 | 1996-04-26 | Transnucleaire | Packaging comprising a non-circular section forged steel body for nuclear fuel assemblies. |
-
1996
- 1996-10-15 SE SE9603757A patent/SE507525C2/en not_active IP Right Cessation
-
1997
- 1997-10-03 WO PCT/SE1997/001658 patent/WO1998016936A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
SE9603757D0 (en) | 1996-10-15 |
SE9603757L (en) | 1998-04-16 |
WO1998016936A1 (en) | 1998-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |