RU2014144290A - Водная сборка и способ управления - Google Patents

Водная сборка и способ управления Download PDF

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RU2014144290A
RU2014144290A RU2014144290A RU2014144290A RU2014144290A RU 2014144290 A RU2014144290 A RU 2014144290A RU 2014144290 A RU2014144290 A RU 2014144290A RU 2014144290 A RU2014144290 A RU 2014144290A RU 2014144290 A RU2014144290 A RU 2014144290A
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reactivity
water assembly
coefficient
assembly according
aqueous solution
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RU2014144290A
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RU2649662C2 (ru
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Грегори ПАЙФЕР
АБЕЛЬ Эрик Н. ВАН
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Шайн Медикал Текнолоджиз, Инк.
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/04—Thermal reactors ; Epithermal reactors
    • G21C1/24—Homogeneous reactors, i.e. in which the fuel and moderator present an effectively homogeneous medium to the neutrons
    • G21C1/26—Single-region reactors
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C5/00—Moderator or core structure; Selection of materials for use as moderator
    • G21C5/18—Moderator or core structure; Selection of materials for use as moderator characterised by the provision of more than one active zone
    • G21C5/20—Moderator or core structure; Selection of materials for use as moderator characterised by the provision of more than one active zone wherein one zone contains fissile material and another zone contains breeder material
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/04—Thermal reactors ; Epithermal reactors
    • G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
    • G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
    • G21C1/084—Boiling water reactors
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
    • G21G1/0005—Isotope delivery systems
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/30—Subcritical reactors ; Experimental reactors other than swimming-pool reactors or zero-energy reactors
    • 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
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/34—Control of nuclear reaction by utilisation of a primary neutron source
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
    • G21G1/04—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators
    • G21G1/06—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators by neutron irradiation
    • G21G1/08—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators by neutron irradiation accompanied by nuclear fission
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/04—Thermal reactors ; Epithermal reactors
    • G21C1/24—Homogeneous reactors, i.e. in which the fuel and moderator present an effectively homogeneous medium to the neutrons
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Particle Accelerators (AREA)

Abstract

1. Водная сборка, имеющая отрицательный коэффициент реактивности, при этом водная сборка содержит:корпус;водный раствор, содержащий расщепляющееся растворенное вещество, поддерживаемое в корпусе; истабилизатор реактивности, расположенный в водном растворе для уменьшения величины отрицательного коэффициента реактивности водной сборки во время работы водной сборки.2. Водная сборка по п. 1, в которой коэффициентом реактивности является температурный коэффициент реактивности раствора.3. Водная сборка по п. 1, в которой коэффициентом реактивности является пустотный коэффициент реактивности раствора.4. Водная сборка по п. 1, в которой расщепляющееся растворенное вещество содержит уран.5. Водная сборка по п. 1, в которой расщепляющееся растворенное вещество содержит по меньшей мере один из уранил нитрата, уранил сульфата и уранил фторида.6. Водная сборка по п. 1, в которой стабилизатор реактивности содержит бор-10.7. Водная сборка по п. 1, в которой стабилизатор реактивности содержит борную кислоту.8. Водная сборка по п. 1, в которой стабилизатор реактивности содержит по меньшей мере один из гадолиния-155 и гадолиния-157.9. Водная сборка по п. 1, в которой стабилизатором реактивности является растворенное вещество водного раствора.10. Водная сборка по п. 1, при этом водная сборка является докритической, при этом водная сборка дополнительно содержит источник нейтронов для поддержания реакции деления внутри корпуса.11. Водная сборка по п. 1, при этом водная сборка допускает работу в критическом режиме.12. Водная сборка по п. 1, дополнительно содержащая стержень регулирования, при этом по меньшей мере часть стержня регулирования избирательно помещают в водный раствор по меньшей

Claims (20)

1. Водная сборка, имеющая отрицательный коэффициент реактивности, при этом водная сборка содержит:
корпус;
водный раствор, содержащий расщепляющееся растворенное вещество, поддерживаемое в корпусе; и
стабилизатор реактивности, расположенный в водном растворе для уменьшения величины отрицательного коэффициента реактивности водной сборки во время работы водной сборки.
2. Водная сборка по п. 1, в которой коэффициентом реактивности является температурный коэффициент реактивности раствора.
3. Водная сборка по п. 1, в которой коэффициентом реактивности является пустотный коэффициент реактивности раствора.
4. Водная сборка по п. 1, в которой расщепляющееся растворенное вещество содержит уран.
5. Водная сборка по п. 1, в которой расщепляющееся растворенное вещество содержит по меньшей мере один из уранил нитрата, уранил сульфата и уранил фторида.
6. Водная сборка по п. 1, в которой стабилизатор реактивности содержит бор-10.
7. Водная сборка по п. 1, в которой стабилизатор реактивности содержит борную кислоту.
8. Водная сборка по п. 1, в которой стабилизатор реактивности содержит по меньшей мере один из гадолиния-155 и гадолиния-157.
9. Водная сборка по п. 1, в которой стабилизатором реактивности является растворенное вещество водного раствора.
10. Водная сборка по п. 1, при этом водная сборка является докритической, при этом водная сборка дополнительно содержит источник нейтронов для поддержания реакции деления внутри корпуса.
11. Водная сборка по п. 1, при этом водная сборка допускает работу в критическом режиме.
12. Водная сборка по п. 1, дополнительно содержащая стержень регулирования, при этом по меньшей мере часть стержня регулирования избирательно помещают в водный раствор по меньшей мере для частичного управления реактивностью в водном растворе.
13. Способ работы водной сборки, имеющей величину коэффициента реактивности, при этом способ включает в себя:
предоставление корпуса;
добавление в корпус водного раствора, содержащего расщепляющееся растворенное вещество;
добавление в водный раствор стабилизатора реактивности;
уменьшение величины коэффициента реактивности; и
поддержание реакции расщепления в водном растворе.
14. Способ по п. 13, дополнительно включающий в себя:
предоставление источника нейтронов; и
приведение в действие источника нейтронов для поддержания реакции расщепления с водным раствором.
15. Способ по п. 13, дополнительно включающий в себя удаление стержня регулирования не раньше, чем водный раствор достигнет критичности.
16. Способ по п. 13, в котором добавление стабилизатора реактивности включает в себя добавление бора-10.
17. Способ по п. 13, в котором добавление стабилизатора реактивности включает в себя добавление борной кислоты.
18. Способ по п. 13, в котором добавление стабилизатора реактивности включает в себя добавление по меньшей мере одного из гадолиния-155 и гадолиния-157.
19. Способ по п. 13, в котором уменьшение величины коэффициента реактивности включает в себя уменьшение величины отрицательного температурного коэффициента реактивности.
20. Способ по п. 13, в котором уменьшение величины коэффициента реактивности включает в себя уменьшение величины отрицательного пустотного коэффициента реактивности.
RU2014144290A 2012-04-05 2013-03-15 Водная сборка и способ управления RU2649662C2 (ru)

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US201261620735P 2012-04-05 2012-04-05
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PCT/US2013/031837 WO2013187974A2 (en) 2012-04-05 2013-03-15 Aqueous assembly and control method

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