CN110415837A - A kind of radial direction modularization nuclear reactor - Google Patents
A kind of radial direction modularization nuclear reactor Download PDFInfo
- Publication number
- CN110415837A CN110415837A CN201910694314.9A CN201910694314A CN110415837A CN 110415837 A CN110415837 A CN 110415837A CN 201910694314 A CN201910694314 A CN 201910694314A CN 110415837 A CN110415837 A CN 110415837A
- Authority
- CN
- China
- Prior art keywords
- fuel assembly
- radial
- fuel
- rod
- nuclear reactor
- 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.)
- Granted
Links
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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
- G21C3/3262—Enrichment distribution in zones
- G21C3/3265—Radial distribution
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
- G21C5/06—Means for locating or supporting fuel elements
-
- 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)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention proposes a kind of radial modularization nuclear reactors, belong to nuclear engineering and nuclear technology field, more particularly to a kind of radial modularization nuclear reactor.Solve the problems, such as that existing nuclear reactor volume is big, fuel assembly replacement is inconvenient, Yi Fasheng accident and heat transfer effect are poor.It includes reactor core and control rod, the reactor core includes several fuel assembly modules, the circumferentially disposed formation cyclic structure of several fuel assembly modules, cyclic structure center is centre gangway, the control rod passes axially through fuel assembly module, the fuel assembly module includes fuel rod and heat transfer substance, the fuel rod quantity is multiple, multiple fuel rods are along reactor core radial distribution, the multiple fuel rod array is distributed and is equipped with gap to each other, and the fuel rod outer wall is contacted with heat transfer substance.It is mainly used for the modularization nuclear reactor radially arranged.
Description
Technical field
The invention belongs to nuclear engineerings and nuclear technology field, more particularly to a kind of radial modularization nuclear reactor.
Background technique
Fuel assembly is all made of axial arrangement in existing nuclear reactor designs.Fuel assembly and fuel rod therein are in axial direction
Direction transfers heat to the coolant for entering reactor core from one end, and realizes the heat exchange parallel with duct orientation.This nuclear reaction
Heap volume is larger to occupy more spaces, and fuel assembly replacement is inconvenient, and used fuel rod is longer, is also easy to produce deformation, increases
Major break down probability of happening, fuel rod and heat transfer substance contact area are small, and heat transfer effect is poor.
Summary of the invention
The present invention in order to solve the problems in the prior art, proposes a kind of radial modularization nuclear reactor.
To achieve the above object, the invention adopts the following technical scheme: a kind of radial direction modularization nuclear reactor, it includes anti-
Heap reactor core and control rod are answered, the reactor core includes several fuel assembly modules, several fuel assembly modules are along circle
Circumferential direction arranges to form cyclic structure, and cyclic structure center is centre gangway, and the control rod passes axially through fuel assembly mould
Block, the fuel assembly module include fuel rod and heat transfer substance, and the fuel rod quantity is multiple, multiple fuel rods edges reaction
Heap reactor core radial distribution, the multiple fuel rod array are distributed and are equipped with to each other gap, the fuel rod outer wall and heat transfer object
Matter contact.
Further, the reactor core is multilayered structure, several described fuel assembly modules are along the circumferential direction
Cyclic structure is formed, is sequentially connected to form multilayered structure along axial direction.
Further, the reactor core is vertical structure or horizontal type structure.
Further, the reactor core is positive polygonal ring shape structure or annular structure.
Further, two fuel stacks adjacent on control rod and/or circumference are inserted into the fuel assembly module
Part module shares a control rod.
Further, the fuel assembly module tilt setting.
Further, the fuel assembly module radial center is provided with safety rod channel, in the safety rod channel
It is inserted into safety rod.
Further, the heat transfer substance is solid matter or liquid.
Compared with prior art, the beneficial effects of the present invention are: the present invention solves, existing nuclear reactor volume is big, fuel
Unit replacement is inconvenient, Yi Fasheng accident and heat transfer effect difference problem.Fuel assembly module of the present invention is radial modular layout,
Heat transfer substance can be transferred heat in several ways after small in size, generation heat to exchange heat, it is compact-sized, it is modular
Design is conveniently replaceable, and the design of radial modular layout can reduce the length of fuel rod, and shorter fuel rod can reduce combustion
Deformation of the charge bar in its own axial direction reduces fault rate.The centre gangway in reactor core axle center is convenient for heat transfer object
Matter passes through, and fuel rod is vertical with heat transfer substance circulating direction, and better contact heat-exchanging may be implemented.
Detailed description of the invention
Fig. 1 is a kind of radial modularization nuclear reactor overlooking structure diagram of the present invention
Fig. 2 is fuel assembly module side structure schematic view of the present invention
Fig. 3 is fuel assembly module overlooking structure diagram of the present invention
Fig. 4 is fuel assembly module schematic view of the front view of the present invention
Fig. 5 is the fuel assembly module side structure schematic view of the present invention being obliquely installed
Fig. 6 is that fuel assembly module of the present invention shares control rod structural schematic diagram
1- reactor core, 2- centre gangway, 3- fuel assembly module, 4- safety rod channel, 5- control rod, 6- fuel
Stick, 7- heat transfer substance
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation illustrates.
Illustrate present embodiment referring to Fig. 1-6, a kind of radial direction modularization nuclear reactor, it includes reactor core 1 and control
Stick 5 processed, the reactor core 1 include several fuel assembly modules 3, several fuel assembly modules 3 along the circumferential direction cloth
It sets to form cyclic structure, cyclic structure center is centre gangway 2, and the control rod 5 passes axially through fuel assembly module 3, institute
Stating fuel assembly module 3 includes fuel rod 6 and heat transfer substance 7,6 quantity of fuel rod be it is multiple, multiple fuel rods 6 are along reaction
1 radial distribution of heap reactor core, the multiple 6 array distribution of fuel rod and to each other be equipped with gap, 6 outer wall of fuel rod and heat transfer
Substance 7 contacts.
The present embodiment passes through control rod 5 by several radially arranged formation reactor cores 1 of fuel assembly module 3
The reactivity for controlling reactor core 1, the length of fuel rod 6 can be effectively reduced along the fuel rod 6 that reactor core 1 is radially arranged
Degree reduces deformation, reduces the generation of accident, and by heat transfer substance 7 and 6 contact heat-exchanging of fuel rod, centre gangway 2 is convenient for heat transfer object
Matter 7 passes through, and the length direction of fuel rod 6 is vertical with 7 circulating direction of heat transfer substance, and better contact heat-exchanging may be implemented.
Reactor core 1 described in the present embodiment is multilayered structure, several described fuel assembly modules 3 along the circumferential direction shape
Circlewise structure is sequentially connected to form multilayered structure along axial direction, and the number of plies of reactor core 1 is arranged according to actual needs；It is described
Reactor core 1 is vertical structure or horizontal type structure, convenient for using in carrier under water, places multiple reactors in horizontal axis
Reactor core 1 improves general power to form series connection；The reactor core 1 is positive polygonal ring shape structure or annular structure, according to
Use environment selects suitable shape to be arranged；Phase on control rod 5 and/or circumference is inserted into the fuel assembly module 3
Two adjacent fuel assembly modules 3 share a control rod 5, are that there are predetermined position, controls for control rod 5 in fuel assembly module 3
Stick 5 processed may be provided in fuel assembly module 3, may also be arranged on the boundary position of fuel assembly module 3, two fuel assembly moulds
Block 3 shares a control rod 5, can be arranged in simultaneously in fuel assembly module 3 and fuel assembly mould according to use demand control rod 5
3 boundary of block；The fuel assembly module 3 is obliquely installed, and the fuel assembly module 3 radially arranged can be arranged in parallel, can also
The radial dimension of premise of W-response heap can not increased in this way to tilt the purpose of special assembly to some direction
Under, increase charging by increasing axial length, improve reactivity, while making heat exchange area bigger；The fuel assembly mould
3 radial center of block is provided with safety rod channel 4, is inserted into safety rod in the safety rod channel 4, is placed in parallel with fuel rod 6
Center setting safety rod channel 4 and the safety rod that is inserted, by the very big material in neutron absorption cross-section in safety rod
It constitutes, for guaranteeing that fuel assembly module 3 is absolutely maintained at subcritical state before and after use, fuel assembly module 3 is packed into
When reactor core 1, need to extract the safety rod, when fuel assembly module 3 draws off reactor core 1, need again insertable into
Safety rod, safety rod channel 4 are made of the extension of 3 outer surface material of fuel assembly module, therefore the insertion of safety rod and extraction are not
Influence the circulation of reactor core internal heat transfer substance 7；The heat transfer substance 7 is solid matter or liquid, and heat transfer substance 7 is solid-state
When substance, each fuel assembly module 3 is solid construction, and heat passes through the radial fuel stick 6 that is inserted in fuel assembly module 3
Heat is reached into centre gangway 2 or reactor periphery, then is taken away by secondary cooling substance；Heat transfer substance 7 is liquid
When, each fuel assembly module 3 is hollow frame structure, by liquid heat transfer after the loading reactor core 1 of fuel assembly module 3
Substance 7 flows through fuel rod 6, and heat is taken away.
Above to a kind of radial modularization nuclear reactor provided by the present invention, it is described in detail, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention；At the same time, for those skilled in the art is having according to the thought of the present invention
There will be changes in body embodiment and application range, in conclusion the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of radial direction modularization nuclear reactor, it is characterised in that: it includes reactor core (1) and control rod (5), it is described instead
Answering heap reactor core (1) includes several fuel assembly modules (3), several fuel assembly module (3) circumferentially disposed formation
Cyclic structure, cyclic structure center are centre gangway (2), and the control rod (5) passes axially through fuel assembly module (3), institute
Stating fuel assembly module (3) includes fuel rod (6) and heat transfer substance (7), and fuel rod (6) quantity is multiple, multiple fuel
Stick (6) is along reactor core (1) radial distribution, the multiple fuel rod (6) array distribution and to each other equipped with gap, the combustion
Charge bar (6) outer wall is contacted with heat transfer substance (7).
2. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the reactor core (1)
For multilayered structure, several described fuel assembly modules (3) are circumferentially formed thereon cyclic structure, are sequentially connected to be formed along axial direction
Multilayered structure.
3. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the reactor core (1)
For vertical structure or horizontal type structure.
4. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the reactor core (1)
Be positive polygonal ring shape structure or annular structure.
5. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the fuel assembly module
(3) it is inserted into two fuel assembly modules (3) adjacent on control rod (5) and/or circumference in and shares a control rod (5).
6. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the fuel assembly module
(3) it is obliquely installed.
7. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the fuel assembly module
(3) radial center is provided with safety rod channel (4), and safety rod is inserted into the safety rod channel (4).
8. a kind of radial modularization nuclear reactor according to claim 1, it is characterised in that: the heat transfer substance (7) is
Solid matter or liquid.
Safety rod channel (4)
Fuel assembly module (3) radial center is provided with safety rod channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694314.9A CN110415837B (en) | 2019-07-30 | 2019-07-30 | Radial modular nuclear reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694314.9A CN110415837B (en) | 2019-07-30 | 2019-07-30 | Radial modular nuclear reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110415837A true CN110415837A (en) | 2019-11-05 |
| CN110415837B CN110415837B (en) | 2023-04-11 |
Family
ID=68364143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694314.9A Active CN110415837B (en) | 2019-07-30 | 2019-07-30 | Radial modular nuclear reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110415837B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739666A (en) * | 2020-06-23 | 2020-10-02 | 上海交通大学 | Traveling wave reactor for space exploration |
| CN112216409A (en) * | 2020-09-07 | 2021-01-12 | 国家电投集团科学技术研究院有限公司 | Reactor core, nuclear reactor and passive shutdown method of nuclear reactor |
| CN113871033A (en) * | 2020-06-30 | 2021-12-31 | 哈尔滨工程大学 | Reactor core of spherical fission nuclear reactor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844957A (en) * | 1993-07-05 | 1998-12-01 | Abb Atom Ab | Reactor core |
| JP2009145203A (en) * | 2007-12-14 | 2009-07-02 | Global Nuclear Fuel-Japan Co Ltd | Fuel assembly and core of boiling water reactor using it |
| CN102543224A (en) * | 2010-12-14 | 2012-07-04 | 中国核动力研究设计院 | Power reactor adopting uranium zirconium hydride fuel element |
| CN104246903A (en) * | 2012-04-17 | 2014-12-24 | 巴布科克和威尔科克斯M能量股份有限公司 | Small modular reactor fuel assembly |
| CN105976879A (en) * | 2016-05-09 | 2016-09-28 | 中国科学院上海应用物理研究所 | Assembly type molten salt reactor |
| US20180226159A1 (en) * | 2017-02-06 | 2018-08-09 | Battelle Energy Alliance, Llc | Modular nuclear reactors, fuel structures, and related methods |
| CN109859859A (en) * | 2019-02-26 | 2019-06-07 | 西南科技大学 | It is a kind of based on the thermally conductive no heat convection integral module formula microminiature space based reactor reactor core of tungsten |
-
2019
- 2019-07-30 CN CN201910694314.9A patent/CN110415837B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844957A (en) * | 1993-07-05 | 1998-12-01 | Abb Atom Ab | Reactor core |
| JP2009145203A (en) * | 2007-12-14 | 2009-07-02 | Global Nuclear Fuel-Japan Co Ltd | Fuel assembly and core of boiling water reactor using it |
| CN102543224A (en) * | 2010-12-14 | 2012-07-04 | 中国核动力研究设计院 | Power reactor adopting uranium zirconium hydride fuel element |
| CN104246903A (en) * | 2012-04-17 | 2014-12-24 | 巴布科克和威尔科克斯M能量股份有限公司 | Small modular reactor fuel assembly |
| CN105976879A (en) * | 2016-05-09 | 2016-09-28 | 中国科学院上海应用物理研究所 | Assembly type molten salt reactor |
| US20180226159A1 (en) * | 2017-02-06 | 2018-08-09 | Battelle Energy Alliance, Llc | Modular nuclear reactors, fuel structures, and related methods |
| CN109859859A (en) * | 2019-02-26 | 2019-06-07 | 西南科技大学 | It is a kind of based on the thermally conductive no heat convection integral module formula microminiature space based reactor reactor core of tungsten |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739666A (en) * | 2020-06-23 | 2020-10-02 | 上海交通大学 | Traveling wave reactor for space exploration |
| WO2021259050A1 (en) * | 2020-06-23 | 2021-12-30 | 上海交通大学 | Traveling wave reactor for space exploration |
| CN111739666B (en) * | 2020-06-23 | 2021-12-31 | 上海交通大学 | Traveling wave reactor for space exploration |
| US11532404B2 (en) | 2020-06-23 | 2022-12-20 | Shanghai Jiao Tong University | Travelling wave reactor for space exploration |
| CN113871033A (en) * | 2020-06-30 | 2021-12-31 | 哈尔滨工程大学 | Reactor core of spherical fission nuclear reactor |
| CN113871033B (en) * | 2020-06-30 | 2022-04-05 | 哈尔滨工程大学 | Reactor core of spherical fission nuclear reactor |
| CN112216409A (en) * | 2020-09-07 | 2021-01-12 | 国家电投集团科学技术研究院有限公司 | Reactor core, nuclear reactor and passive shutdown method of nuclear reactor |
| CN112216409B (en) * | 2020-09-07 | 2023-02-28 | 国家电投集团科学技术研究院有限公司 | Reactor core, nuclear reactor and passive shutdown method of nuclear reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110415837B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110415837A (en) | A kind of radial direction modularization nuclear reactor | |
| CN103474097B (en) | High Fast neutron flux reactor core | |
| US9111652B2 (en) | High-temperature gas-cooled reactor steam generating system and method | |
| CN1319074C (en) | Supercritical water nuclear reactor utilizing sleeve fuel assembly | |
| CN101241772B (en) | 18-month feed replacement method for 1-million kW unit of China PWR nuclear power station | |
| CN109192330A (en) | A kind of heat pipe type double mode nuclear reactor for space reactor core using radial hydrogen runner | |
| CN103093838B (en) | Sleeve type rod-shaped fuel assembly and supercritical water-cooling nuclear reactor utilizing same | |
| CN106229015B (en) | A kind of high-temperature molten salt pressure pipe and pipe tube type graphite high-temperature molten salt reactor | |
| US3335060A (en) | Seed-blanket neutronic reactor | |
| CN109509563B (en) | Small-size villaumite cooling high temperature reactor core | |
| CN101911211A (en) | Nuclear reactor (optionally), be used for nuclear reactor (optionally) seed region-renewing zone sub-component fuel assembly and be used for the fuel element of fuel assembly | |
| SE512193C2 (en) | Procedure for loading and operating a nuclear reactor core | |
| CN209216591U (en) | A kind of heat pipe type double mode nuclear reactor for space reactor core using radial hydrogen runner | |
| CN106297907B (en) | A kind of pencil control rod structure | |
| CN108806805B (en) | Pool type molten salt reactor and operation method thereof | |
| CA3207375A1 (en) | Mixing chamber structure for prismatic high-temperature gas-cooled reactor, and prismatic high-temperature gas-cooled reactor structure | |
| CN103177780B (en) | A kind of pressurized-water reactor flow distribution device | |
| CN101226782B (en) | Stowage method of million kilowatt units principal circle reactor core of Chinese press water stack nuclear power station | |
| CN106257596B (en) | A kind of Small reactor abnormity control rod | |
| CN109887618B (en) | Nuclear reactor with radially arranged heat pipes | |
| CN114496314B (en) | Ultra-high flux reactor core with fast neutron thermal neutron concentric circle type partition | |
| CN110211710B (en) | Multi-irradiation target material irradiation inspection reactor core structure and arrangement and operation method | |
| US3344032A (en) | Fast neutron reactor | |
| CN103886918B (en) | Utilize hybrid reactor system and the operation method of water-cooled thorium-uranium fuel module arranged crosswise | |
| CN1898752A (en) | Fuel assembly for a pressurised water nuclear reactor containing plutonium-free enriched uranium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |