US3882313A - Concentric annular tanks - Google Patents
Concentric annular tanks Download PDFInfo
- Publication number
- US3882313A US3882313A US304452A US30445272A US3882313A US 3882313 A US3882313 A US 3882313A US 304452 A US304452 A US 304452A US 30445272 A US30445272 A US 30445272A US 3882313 A US3882313 A US 3882313A
- Authority
- US
- United States
- Prior art keywords
- tank
- tanks
- annular
- wall
- concentric annular
- 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
Images
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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/40—Arrangements for preventing occurrence of critical conditions, e.g. during storage
-
- 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
Definitions
- This invention pertains in general to annular storage tanks and more particularly. to concentric annular storage tanks with isolation for the storage of solutions containing fissile nuclear material.
- One geometrically favorable design is a narrow rectangular tank which is commonly referred to as a slabtank.
- the slab width is dictated by the amount of fissile material present in the storage solution and is normally less than five inches.
- the main objective in designing the slab width is to avoid criticality. As a result, the slab-tank configuration is impractical when a volume capacity of more than 1,000 liters is desired, due to the extensive amount of floor space required to accommodate the larger volume.
- annular tank Another geometrically favorable design is an annular tank.
- the annular width of the storage volume is dictated by the fissile material content of the storage solution and is normally less than five inches.
- an annular tank can be constructed. however, there is a waste of floor space inside the annular opening of the tank.
- an annular tank easily accommodates moderate changes in internal pressure. or vacuum, without distortion of the critical dimension.
- an optimized geometrical structural de sign is desired for such tanks that will provide the desired total volume storage capacity required by the nuclear industry while maximizing floor space usage.
- FIG. 2 is an elevational sectional view of the embodiment illustrated in FIG. I.
- FIGS. 1. 2 and 3 show an annular tank design where two, three, or more tanks are arranged concentrically to achieve a more economical use of floor space.
- FIG. I it can be observed that a planned view is provided of a concentric array of two annular tanks exemplary of this invention.
- An outer hollow annular tank is shown and generally described by reference character 10.
- the storage area is defined by the tubular inside and outside walls 14 and I2, respectively, which are concentrically formed with a bottom plate sealably affixed therebetween at one end of the corresponding tubular end terminations.
- the wall thicknesses of the tanks are desirably chosen to accommodate external pressures without the need for stiffness and to provide sufficient shielding against radioactivity.
- An exemplary thickness from 0.250 to 0.375 inches will provide adequate strength for external pressures up to one atmosphere where materials such as 304L stainless steel are employed.
- Type 304L stainless steel is described as an exemplary material for the tank walls due to its compatibility with the elements to be stored.
- An annular isolator I6 is closely received within the annular opening formed by the tubular wall 14 and is designed from a material that has a sufficient neutron capture cross section to avoid the formation of a critical nuclear mass.
- the annular isolator is designed to absorb a sufficient number of delayed neutrons emitted from the elements being contained within the tank 10 and any number of inner concentric tanks to avoid a chain reaction from being sustained.
- the isolator I6 can be fabricated from any material exemplifying these desired characteristics such as serpentine concrete that has a 10 percent minimum water content.
- Each isolator can be desirably jacketed with eighteen gage stainless steel to prevent absorption of plutonium into the concrete (where plutonium is among the materials being stored) and to facilitate de contamination after storage.
- a second annular tank is concentrically positioned within the annular opening formed by the outer isolator 16 to achieve a higher density usage of floor space.
- the storage area of the second hollow annular tank I8 is specifically defined by the inner and outer tubular walls 22 and 20, respectively, with a bottom plate sealably affixed therebetween at one of the corresponding tubular end terminations.
- the thickness of the tank defined by the difference in radial dimensions between the inner and outer walls is dictated by the fissile material content of the solution being stored and is normally less than five inches.
- a second annular isolator is concentrically positioned within the annular opening formed by the inner tubular wall 22 of the second tank 18.
- This inner isolator 24 is substantially identical to the isolator previously described and defined by reference character [6 and provides a sufficient neutron capture cross section to prevent the delay neutrons emitted from the inner circumference of the tank 18 from sustaining a chain reaction.
- FIG. 2 an elevational sectional view of the annular tanks of FIG. I is presented.
- the bottom plates. sealably affixed to the respective side walls of the inner and outer tanks previously described with reference to FIG. 1. are illustrated by reference characters 40 and 38, respectively.
- the tanks are provided with cover plates 30 and 32 and fluid vents 34 and 36 which are employed to aid in charging the tanks with the materials to be stored.
- the tanks can either be filled through inlets similar to those described by the vents 34 and 36 or through conduit means 28 which communicatively couples the interior of tank with the exterior thereof.
- Optional conduit means 26 can additionally be provided to communicatively couple the respective storage volumes of tanks 10 and 18 to equalize the level of storage material within the corresponding tanks.
- the fluid coupling conduit 26 is desirably designed to disconnect from the respective tanks so that the individual tanks can be used separately where desired.
- conduit means 28 is designed for interconnection to a third annular tank which can be circumferentially positioned around tank 10 to form a concentric array of three annular tanks with an increase in storage volume and a maximum usage of floor space. With the third tank connected as described conduit means 28 will perform the same function as fluid conducting means 26. Similarly, additional annular tanks can be added. either circumferentially or concentrically, to achieve any desired storage volume.
- the lower plates 40 and 38. which form the bottom walls of the tanks 18 and 10, respectively. are sloped in a direction to assist gravity feed of the storage material through fluid conduit means 26 to conduit 28.
- conduit 28 is designed as an exit port to empty the tanks when the storage period has expired.
- the respective conduits 26 and 28 can be provided with valve closure means to control or shut off the volume of fluid flow of storage material.
- FIG. 3 illustrates a sectional view of an array of concentric annular tanks similar to the array previously described with reference to FIGS. 1 and 2.
- Concentric annular tanks with isolation for the storage of solutions containing nuclear materials comprising:
- first annular hollow tank having a tubular inside and outside wall concentrically formed with a bottom plate sealably affixed therebetween at one of the corresponding tubular end terminations so as to form the bottom wall thereof;
- isolation means associated with said first and second tanks having a neutron capture cross section sufficient to guard against the formation of a critical mass of nuclear material between the storage contents of said first and second tanks.
- the concentric annular tanks of claim 1 including fluid coupling means positioned substantially adjacent the corresponding bottom walls of the said first and second tanks and communicatively coupling the interior of said first tank with the interior of said second tank.
- conduit means associated with said outside wall of said first tank substantially adjacent the bottom wall thereof for communicatively coupling the interior of said first tank with the exterior thereof.
- the concentric annular tanks of claim 4 including:
- isolation means comprises an annular casing of concrete closely received between the inner wall of said first tank and the outer wall of said second tank.
- the concentric annular tanks of claim 1 including a neutron isolator closely received within the annular opening formed by the inside wall of said second tank and lining the exterior surface area thereof. said isolator having a neutron capture cross section sufficient to guard against the formation of a critical mass of nuclear material within the storage contents of said second tank.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US304452A US3882313A (en) | 1972-11-07 | 1972-11-07 | Concentric annular tanks |
DE19732350750 DE2350750A1 (de) | 1972-11-07 | 1973-10-10 | Speichertankanordnung fuer spaltbares material enthaltende loesungen |
GB4901173A GB1406960A (en) | 1972-11-07 | 1973-10-22 | Storage tank arrangement for fissile material |
IT30457/73A IT998879B (it) | 1972-11-07 | 1973-10-23 | Vasche anulari concentriche per ma teriale fissile |
BR8501/73A BR7308501D0 (pt) | 1972-11-07 | 1973-10-30 | Uma instalacao de reservatorio para o armazenamento de solucoes contendo materiais nucleares |
JP12131873A JPS5319760B2 (ja) | 1972-11-07 | 1973-10-30 | |
ES420237A ES420237A1 (es) | 1972-11-07 | 1973-11-03 | Una disposicion de depositos de almacenamiento para el alma-cenamiento de soluciones que contienen materiales nucleares. |
FR7339206A FR2212820A5 (ja) | 1972-11-07 | 1973-11-05 | |
SE7315125A SE402175B (sv) | 1972-11-07 | 1973-11-07 | Anordning for lagring av losningar innehallande klyvbart material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US304452A US3882313A (en) | 1972-11-07 | 1972-11-07 | Concentric annular tanks |
Publications (1)
Publication Number | Publication Date |
---|---|
US3882313A true US3882313A (en) | 1975-05-06 |
Family
ID=23176575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US304452A Expired - Lifetime US3882313A (en) | 1972-11-07 | 1972-11-07 | Concentric annular tanks |
Country Status (9)
Country | Link |
---|---|
US (1) | US3882313A (ja) |
JP (1) | JPS5319760B2 (ja) |
BR (1) | BR7308501D0 (ja) |
DE (1) | DE2350750A1 (ja) |
ES (1) | ES420237A1 (ja) |
FR (1) | FR2212820A5 (ja) |
GB (1) | GB1406960A (ja) |
IT (1) | IT998879B (ja) |
SE (1) | SE402175B (ja) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010375A (en) * | 1975-05-27 | 1977-03-01 | Wachter William J | Storage rack for nuclear fuel assemblies |
US4044267A (en) * | 1975-03-17 | 1977-08-23 | Combustion Engineering, Inc. | Fissionable mass storage device |
FR2449950A1 (fr) * | 1979-02-20 | 1980-09-19 | Doryokuro Kakunenryo | Reservoir annulaire pour emmagasiner un materiau nucleaire et procede pour sa fabrication |
US4400344A (en) * | 1977-11-14 | 1983-08-23 | Wachter William J | Storage rack for nuclear fuel assemblies |
US4476394A (en) * | 1980-03-29 | 1984-10-09 | Transnuklear Gmbh | Insertion canister for radioactive material transportation and/or storage containers |
US4649018A (en) * | 1983-03-22 | 1987-03-10 | Strabag Bau-Ag | Container for the storage of radioactive elements |
US4655996A (en) * | 1982-10-07 | 1987-04-07 | Commissariat A L'energie Atomique | East neutron reactor having a storage structure independent of the core structure |
US4706366A (en) * | 1984-04-25 | 1987-11-17 | Establissements Lemer & Cie | Method of manufacturing a double-wall container including a neutron-absorbing screen for transporting and storing radio-active material |
US4820472A (en) * | 1981-07-14 | 1989-04-11 | Westinghouse Electric Corp. | Nuclear reactor spent fuel storage rack |
US4857263A (en) * | 1983-03-01 | 1989-08-15 | Westinghouse Electric Corp. | Storage of spent nuclear fuel |
FR2698205A1 (fr) * | 1992-11-19 | 1994-05-20 | Sgn Soc Gen Tech Nouvelle | Cuve de stockage d'une solution active de matières fissiles. |
US5894134A (en) * | 1996-09-13 | 1999-04-13 | General Atomics | Shipping container for radioactive material |
US20040011971A1 (en) * | 1996-05-03 | 2004-01-22 | British Nuclear Fuels Plc. | Container for nuclear fuel transportation |
WO2004112053A1 (en) * | 2003-06-12 | 2004-12-23 | Rolls-Roycs Marine Power Operations Limited | A container for a fissile material and a method of making the same |
US20060043320A1 (en) * | 1996-05-03 | 2006-03-02 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
WO2007144414A1 (en) * | 2006-06-15 | 2007-12-21 | Belgonucleaire Sa | Criticality prevention devices and methods in nuclear fuel production |
WO2010036925A2 (en) | 2008-09-25 | 2010-04-01 | Columbiana Hi Tech Llc | Container for transporting and storing uranium hexaflouride |
RU171174U1 (ru) * | 2016-12-29 | 2017-05-23 | Общество с ограниченной ответственностью Научно-производственная фирма "Сосны" | Пенал для транспортирования жидкого отработавшего ядерного топлива |
CN110047605A (zh) * | 2019-05-13 | 2019-07-23 | 中国核电工程有限公司 | 一种核临界安全贮槽 |
RU2709023C1 (ru) * | 2019-05-22 | 2019-12-13 | Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики" (ФГУП "РФЯЦ-ВНИИЭФ") | Пенал для размещения и хранения жидкого отработавшего ядерного топлива |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446529A1 (fr) * | 1979-01-12 | 1980-08-08 | Provence Const Met | Conteneur de matieres fortement radioactives |
DE2943934A1 (de) * | 1979-10-31 | 1981-05-14 | Nukem Gmbh, 6450 Hanau | Verfahren zur lagerung von kugelfoermigen brennelementen |
JPS5950393A (ja) * | 1982-08-26 | 1984-03-23 | ヌケム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 核分裂性物質溶液を臨界安全に貯蔵するための容器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2918717A (en) * | 1956-12-12 | 1959-12-29 | Edward G Struxness | Self sintering of radioactive wastes |
US3046403A (en) * | 1959-04-17 | 1962-07-24 | Babcock & Wilcox Co | Device for the storage of a heat evolving material |
US3056028A (en) * | 1960-05-03 | 1962-09-25 | James T Mattingly | Neutron shielding structure |
US3101258A (en) * | 1961-06-14 | 1963-08-20 | Benjamin M Johnson | Spray calcination reactor |
US3111586A (en) * | 1961-08-25 | 1963-11-19 | Baldwin Lima Hamilton Corp | Air-cooled shipping container for nuclear fuel elements |
US3466445A (en) * | 1967-10-06 | 1969-09-09 | Atomic Energy Commission | Container for radioactive fuel elements |
-
1972
- 1972-11-07 US US304452A patent/US3882313A/en not_active Expired - Lifetime
-
1973
- 1973-10-10 DE DE19732350750 patent/DE2350750A1/de active Pending
- 1973-10-22 GB GB4901173A patent/GB1406960A/en not_active Expired
- 1973-10-23 IT IT30457/73A patent/IT998879B/it active
- 1973-10-30 JP JP12131873A patent/JPS5319760B2/ja not_active Expired
- 1973-10-30 BR BR8501/73A patent/BR7308501D0/pt unknown
- 1973-11-03 ES ES420237A patent/ES420237A1/es not_active Expired
- 1973-11-05 FR FR7339206A patent/FR2212820A5/fr not_active Expired
- 1973-11-07 SE SE7315125A patent/SE402175B/xx unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2918717A (en) * | 1956-12-12 | 1959-12-29 | Edward G Struxness | Self sintering of radioactive wastes |
US3046403A (en) * | 1959-04-17 | 1962-07-24 | Babcock & Wilcox Co | Device for the storage of a heat evolving material |
US3056028A (en) * | 1960-05-03 | 1962-09-25 | James T Mattingly | Neutron shielding structure |
US3101258A (en) * | 1961-06-14 | 1963-08-20 | Benjamin M Johnson | Spray calcination reactor |
US3111586A (en) * | 1961-08-25 | 1963-11-19 | Baldwin Lima Hamilton Corp | Air-cooled shipping container for nuclear fuel elements |
US3466445A (en) * | 1967-10-06 | 1969-09-09 | Atomic Energy Commission | Container for radioactive fuel elements |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044267A (en) * | 1975-03-17 | 1977-08-23 | Combustion Engineering, Inc. | Fissionable mass storage device |
US4010375A (en) * | 1975-05-27 | 1977-03-01 | Wachter William J | Storage rack for nuclear fuel assemblies |
US4400344A (en) * | 1977-11-14 | 1983-08-23 | Wachter William J | Storage rack for nuclear fuel assemblies |
FR2449950A1 (fr) * | 1979-02-20 | 1980-09-19 | Doryokuro Kakunenryo | Reservoir annulaire pour emmagasiner un materiau nucleaire et procede pour sa fabrication |
US4476394A (en) * | 1980-03-29 | 1984-10-09 | Transnuklear Gmbh | Insertion canister for radioactive material transportation and/or storage containers |
US4820472A (en) * | 1981-07-14 | 1989-04-11 | Westinghouse Electric Corp. | Nuclear reactor spent fuel storage rack |
US4655996A (en) * | 1982-10-07 | 1987-04-07 | Commissariat A L'energie Atomique | East neutron reactor having a storage structure independent of the core structure |
US4857263A (en) * | 1983-03-01 | 1989-08-15 | Westinghouse Electric Corp. | Storage of spent nuclear fuel |
US4649018A (en) * | 1983-03-22 | 1987-03-10 | Strabag Bau-Ag | Container for the storage of radioactive elements |
US4706366A (en) * | 1984-04-25 | 1987-11-17 | Establissements Lemer & Cie | Method of manufacturing a double-wall container including a neutron-absorbing screen for transporting and storing radio-active material |
FR2698205A1 (fr) * | 1992-11-19 | 1994-05-20 | Sgn Soc Gen Tech Nouvelle | Cuve de stockage d'une solution active de matières fissiles. |
WO1994011883A1 (fr) * | 1992-11-19 | 1994-05-26 | Compagnie Generale Des Matieres Nucleaires | Cuve de stockage d'une solution radioactive de matieres fissiles |
US5629963A (en) * | 1992-11-19 | 1997-05-13 | Compagnie Generale Des Matieres Nucleaires | Storage tank for a radioactive fissile material solution |
US6825483B2 (en) | 1996-05-03 | 2004-11-30 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
US6770897B2 (en) | 1996-05-03 | 2004-08-03 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
US20060043320A1 (en) * | 1996-05-03 | 2006-03-02 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
US20040011971A1 (en) * | 1996-05-03 | 2004-01-22 | British Nuclear Fuels Plc. | Container for nuclear fuel transportation |
US20110001066A1 (en) * | 1996-05-03 | 2011-01-06 | British Nuclear Fuels Plc, | Container for nuclear fuel transportation |
US8049194B2 (en) | 1996-05-03 | 2011-11-01 | Uranium Asset Management Limited | Container for nuclear fuel transportation |
US5894134A (en) * | 1996-09-13 | 1999-04-13 | General Atomics | Shipping container for radioactive material |
WO2004112053A1 (en) * | 2003-06-12 | 2004-12-23 | Rolls-Roycs Marine Power Operations Limited | A container for a fissile material and a method of making the same |
US20080087849A1 (en) * | 2003-06-12 | 2008-04-17 | Barnes John H | Container for fissile material and a method of making the same |
US7372060B2 (en) | 2003-06-12 | 2008-05-13 | Rolls-Royce Plc | Container for fissile material and a method of making the same |
CN101467216B (zh) * | 2006-06-15 | 2013-07-17 | 比利格核股份有限公司 | 一种安全壳包封件及在其中制备核燃料的工艺 |
WO2007144414A1 (en) * | 2006-06-15 | 2007-12-21 | Belgonucleaire Sa | Criticality prevention devices and methods in nuclear fuel production |
US8634514B2 (en) | 2006-06-15 | 2014-01-21 | Belgonucleaire Sa | Criticality prevention devices and methods in nuclear fuel production |
WO2010036925A2 (en) | 2008-09-25 | 2010-04-01 | Columbiana Hi Tech Llc | Container for transporting and storing uranium hexaflouride |
EP2342719A4 (en) * | 2008-09-25 | 2012-06-20 | Columbiana Hi Tech Llc | CONTAINER FOR TRANSPORT AND STORAGE OF URANIUM HEXAFLUORIDE |
EP2342719A2 (en) * | 2008-09-25 | 2011-07-13 | Columbiana Hi Tech LLC | Container for transporting and storing uranium hexaflouride |
RU171174U1 (ru) * | 2016-12-29 | 2017-05-23 | Общество с ограниченной ответственностью Научно-производственная фирма "Сосны" | Пенал для транспортирования жидкого отработавшего ядерного топлива |
CN110047605A (zh) * | 2019-05-13 | 2019-07-23 | 中国核电工程有限公司 | 一种核临界安全贮槽 |
RU2709023C1 (ru) * | 2019-05-22 | 2019-12-13 | Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики" (ФГУП "РФЯЦ-ВНИИЭФ") | Пенал для размещения и хранения жидкого отработавшего ядерного топлива |
Also Published As
Publication number | Publication date |
---|---|
GB1406960A (en) | 1975-09-17 |
IT998879B (it) | 1976-02-20 |
SE402175B (sv) | 1978-06-19 |
JPS5319760B2 (ja) | 1978-06-22 |
BR7308501D0 (pt) | 1974-08-29 |
FR2212820A5 (ja) | 1974-07-26 |
JPS4978100A (ja) | 1974-07-27 |
ES420237A1 (es) | 1977-07-01 |
DE2350750A1 (de) | 1974-05-09 |
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