CN109859871A - A kind of nuclear reactor control device - Google Patents
A kind of nuclear reactor control device Download PDFInfo
- Publication number
- CN109859871A CN109859871A CN201910114645.0A CN201910114645A CN109859871A CN 109859871 A CN109859871 A CN 109859871A CN 201910114645 A CN201910114645 A CN 201910114645A CN 109859871 A CN109859871 A CN 109859871A
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- CN
- China
- Prior art keywords
- quality initiative
- conduit
- reactor
- aperture
- driving mechanism
- 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.)
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- 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
-
- 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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention proposes a kind of nuclear reactor control devices, belong to nuclear reactor control field, more particularly to a kind of nuclear reactor control device.Solves the presence due to existing control system, the size of reactor is difficult to reduce, it is difficult to design, manufactures the small-sized nuclear reactor for being applicable to several scenes and existing driving mechanism and can fall the failure of stick, card rod etc, the problem of causing a hidden trouble to the operation of reactor.It includes Quality Initiative, driving mechanism, Quality Initiative conduit, reactor pressure vessel and reactor fuel area.It is mainly used for the control of nuclear reactor.
Description
Technical field
The invention belongs to nuclear reactor control fields, more particularly to a kind of nuclear reactor control device.
Background technique
The reactivity that all there is existing nuclear reactor control bar system to be used to adjust reactor, from spatially by adjusting not
The power distribution of reactor is leveled with the position of the control rod in region;Pass through insertion control at fuel recycle initial stage from the time
Stick inhibits the reactivity of reactor, in fuel recycle latter stage by extracting control rod come the reactivity of compensatory reactionBu Changfanying heap.But
It is found in practice, due to the presence of rigid vertical type control rod and its driving mechanism, the size of nuclear reactor is difficult to reduce, therefore
It is difficult to design, manufactures the small-sized nuclear reactor for being applicable to several scenes.At the same time, existing control bar system can only be inserted unidirectionally
Enter control rod, increases the difficulty for making that power is evenly distributed in reactor.Its driving mechanism can also occur such as to fall stick, card rod it
The failure of class causes a hidden trouble to the operation of reactor.
Summary of the invention
The present invention in order to solve the problems in the prior art, proposes a kind of nuclear reactor control device.
To achieve the above object, the invention adopts the following technical scheme: a kind of nuclear reactor control device, it includes control
Chain, driving mechanism, Quality Initiative conduit, reactor pressure vessel and reactor fuel area, the reactor fuel area are located at reaction stacking pressure
Inside force container, the Quality Initiative conduit quantity is several, along the radially uniform distribution in reactor fuel area, the Quality Initiative conduit
Reactor fuel area is passed axially through, the Quality Initiative conduit is connected with driving mechanism, and the Quality Initiative is flexible structure, the control
Chain processed is located at Quality Initiative catheter interior, and the driving mechanism drive control chain is moved along Quality Initiative conduit, realizes that Quality Initiative enters
Or extraction reactor fuel area, the Quality Initiative extraction are stored in inside driving mechanism behind reactor fuel area.
Further, the first aperture and the second aperture are offered respectively at the top and bottom of the reactor pressure vessel,
First aperture and the second open pore size are identical as Quality Initiative catheter outer diameter.
Further, the Quality Initiative conduit joins end to end after the first aperture and the second aperture is formed into a loop knot
Structure, the driving mechanism are arranged on Quality Initiative conduit loop structure.
Further, the driving mechanism is located inside reactor pressure vessel.
Further, be provided with the first aperture on the top cover of reactor pressure vessel, first open pore size with
Quality Initiative catheter outer diameter is identical.
Further, the Quality Initiative conduit is radially bent out after the first aperture and is connected with driving mechanism.
Further, the driving mechanism is that circular ring shape is distributed in reactor fuel area two sides.
Further, the driving mechanism is cylindrical distribution at the top of reactor fuel area.
Further, several described Quality Initiative conduit radical lengths are different, the Quality Initiative of the difference radical length
Conduit is arranged along reactor fuel area radially alternating.
It compared with prior art, can be two-way the beneficial effects of the present invention are: the present invention occupies smaller space in the axial direction
Ground toward heap in-core be sent into control substance, preferably to adjust the reactivity of reactor, at the same reduce existing control rod system card rod,
The probability for falling stick improves the safety of reactor.The present invention replaces existing vertical type control using the Quality Initiative conduit of bending-type
Stick conduit processed replaces the control rod of rigidity using Quality Initiative flexible, compared with traditional vertical type controls bar system, the present invention
It is axial small in size, the volume of reactor pressure vessel is reduced, by radioactive substance control in a smaller container, in turn
The overall volume of nuclear reactor is significantly reduced, can be arranged in more complicated scene, considerably increase small size back
Answer the space environment adaptability of heap;Quality Initiative of the present invention can bidirectionally pass in and out reactor from reactor roof and bottom, can
Axial power distribution in reactor is preferably flattened, to improve the stability of reactor, increases the burn-up level of nuclear fuel;
In secure context, the present invention has the advantages that high reliablity, response are timely, can insert rapidly from reactor roof or bottom rapidly
Enter Quality Initiative to control reactor core reactivity, the actuation time of control rod insertion reactor core is shortened, to improve in emergency circumstances
The reliability of nuclear reactor, simultaneously because the architectural characteristic in Quality Initiative catheter lock formula circuit card rod will not occur, fall stick etc. therefore
Barrier, reduces the probability of happening of reactor accident.
Detailed description of the invention
Fig. 1 is that Quality Initiative conduit of the present invention is loop structure, when driving mechanism is circular ring shape, a kind of nuclear reactor
Controling device structure diagram
Fig. 2 is that Quality Initiative conduit of the present invention is loop structure, when driving mechanism is circular ring shape, a kind of nuclear reactor
Control device overlooking structure diagram
Fig. 3 is that Quality Initiative conduit of the present invention is loop structure, when driving mechanism is cylinder, a kind of nuclear reactor
Controling device structure diagram
Fig. 4 is that Quality Initiative conduit of the present invention is loop structure, when driving mechanism is cylinder, a kind of nuclear reactor
Control device overlooking structure diagram
Fig. 5 is that Quality Initiative conduit of the present invention is that loop structure, driving mechanism are located inside reactor pressure vessel
When, a kind of nuclear reactor controling device structure diagram
When Fig. 6 is that driving mechanism of the present invention is located inside reactor pressure vessel, a kind of nuclear reactor control dress
Set structural schematic diagram
When Fig. 7 is that Quality Initiative conduit of the present invention is bent outwardly, driving mechanism is circular ring shape, a kind of nuclear reactor control
Apparatus structure schematic diagram processed
When Fig. 8 is that Quality Initiative conduit of the present invention is bent outwardly, driving mechanism is cylinder, a kind of nuclear reactor control
Apparatus structure schematic diagram processed
1- driving mechanism, 2- Quality Initiative conduit, 3- reactor pressure vessel, 4- reactor fuel area, the first aperture of 5-, 6-
Two apertures
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. 1-8, a kind of nuclear reactor control device, it include Quality Initiative, driving mechanism 1,
Quality Initiative conduit 2, reactor pressure vessel 3 and reactor fuel area 4, the reactor fuel area 4 are located in reactor pressure vessel 3
Portion, 2 quantity of Quality Initiative conduit is several, and along the radially uniform distribution in reactor fuel area 4, the Quality Initiative conduit 2 is along axis
To reactor fuel area 4 is passed through, the Quality Initiative conduit 2 is connected with driving mechanism 1, and the Quality Initiative is flexible structure, the control
Chain processed is located inside Quality Initiative conduit 2, and the 1 drive control chain of driving mechanism is moved along Quality Initiative conduit 2, realize Quality Initiative into
Enter or extract out reactor fuel area 4, the Quality Initiative extraction is stored in inside driving mechanism 1 behind reactor fuel area 4.
Reactor pressure vessel 3 of the present invention limits radioactive substance and leaks, and internal is reactor fuel area 4, reaction
The nuclear reaction of heap occurs mainly in this region, and Quality Initiative extends there through, and is the main function region of Quality Initiative.When reactor needs
When adjusting reactivity, driving mechanism 1 controls reactivity by Quality Initiative entrance or extraction reactor fuel area 4 is driven by electricity,
The Quality Initiative for not needing insertion reactor fuel area 4 is stored in inside driving mechanism 1.
3 top and bottom of reactor pressure vessel described in the present embodiment offer the first aperture 5 and the second aperture 6 respectively,
First aperture 5 and 6 aperture of the second aperture are identical as 2 outer diameter of Quality Initiative conduit.
As shown in Figs. 1-2, the Quality Initiative conduit 2 passes through the forming circuit that joins end to end after the first aperture 5 and the second aperture 6
Structure, the driving mechanism 1 are arranged on 2 loop structure of Quality Initiative conduit, and the driving mechanism 1 is that circular ring shape is distributed in reactor core
4 two sides of fuel region, several described 2 radical lengths of Quality Initiative conduit are different, 2 edge of Quality Initiative conduit of the difference radical length
Reactor fuel area 4 is radially uniform to be arranged alternately, and realizes Quality Initiative two-way disengaging reactor fuel area 4.
As shown in Figure 3-4, the Quality Initiative conduit 2 passes through the forming circuit that joins end to end after the first aperture 5 and the second aperture 6
Structure, the driving mechanism 1 are arranged on 2 loop structure of Quality Initiative conduit, and the driving mechanism 1 is cylindrical distribution in reactor core
4 top of fuel region, several described 2 radical lengths of Quality Initiative conduit are different, 2 edge of Quality Initiative conduit of the difference radical length
Reactor fuel area 4 is radially uniform to be arranged alternately, and realizes Quality Initiative two-way disengaging reactor fuel area, and cylindrical driving mechanism 1 subtracts
Small reactor radial dimension, to further reduce volume shared by reactor.
The forming circuit knot as shown in figure 5, the Quality Initiative conduit 2 joins end to end after the first aperture 5 and the second aperture 6
Structure, the driving mechanism 1 are arranged on 2 loop structure of Quality Initiative conduit, and the driving mechanism 1 is located at reactor pressure vessel 3
Inside, several described 2 radical lengths of Quality Initiative conduit are different, and the Quality Initiative conduit 2 of the difference radical length is fired along reactor core
Expect that area 4 is radially uniform to be arranged alternately, realizes Quality Initiative two-way disengaging reactor fuel area.
It is enclosed construction at the top and bottom of reactor pressure vessel 3 described in the present embodiment, as shown in fig. 6, the driving
Mechanism 1 is located inside reactor pressure vessel 3, and the Quality Initiative conduit 2 is straight-through structure.
Be provided with the first aperture 5 on 3 top cover of reactor pressure vessel described in the present embodiment, 5 aperture of the first aperture with
2 outer diameter of Quality Initiative conduit is identical.
As shown in fig. 7, the Quality Initiative conduit 2 is radially bent out and 1 phase of driving mechanism after passing through the first aperture 5
Even, the driving mechanism 1 is that circular ring shape is distributed in 4 two sides of reactor fuel area, several described 2 radical lengths of Quality Initiative conduit are not
Together, the Quality Initiative conduit 2 of the different radical length is arranged alternately along reactor fuel area 4 is radially uniform, the formation of Quality Initiative conduit 2
Enclosed construction, Quality Initiative pass in and out reactor along Quality Initiative conduit 2.
As shown in figure 8, the Quality Initiative conduit 2 is radially bent out and 1 phase of driving mechanism after passing through the first aperture 5
Even, the driving mechanism 1 is cylindrical distribution at 4 top of reactor fuel area, several described 2 radical lengths of Quality Initiative conduit are not
Together, the Quality Initiative conduit 2 of the different radical length is arranged alternately along reactor fuel area 4 is radially uniform, the formation of Quality Initiative conduit 2
Enclosed construction, Quality Initiative pass in and out reactor along Quality Initiative conduit 2, and cylindrical driving mechanism 1 reduces reactor radial dimension,
To further reduce volume shared by reactor.
Above to a kind of nuclear reactor control device 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 originally
The method and its core concept of invention;At the same time, for those skilled in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to of the invention
Limitation.
Claims (9)
1. a kind of nuclear reactor control device, it is characterised in that: it include Quality Initiative, driving mechanism (1), Quality Initiative conduit (2),
Reactor pressure vessel (3) and reactor fuel area (4), the reactor fuel area (4) are located at reactor pressure vessel (3) inside,
Quality Initiative conduit (2) quantity is several, along reactor fuel area (4) radially uniform distribution, Quality Initiative conduit (2) edge
Axially across reactor fuel area (4), the Quality Initiative conduit (2) is connected with driving mechanism (1), and the Quality Initiative is flexible knot
Structure, the Quality Initiative are located at Quality Initiative conduit (2) inside, and driving mechanism (1) the drive control chain is moved along Quality Initiative conduit (2)
It is dynamic, realize that Quality Initiative enters or extraction reactor fuel area (4), the Quality Initiative are stored in driving after extracting reactor fuel area (4) out
Mechanism (1) is internal.
2. a kind of nuclear reactor control device according to claim 1, it is characterised in that: the reactor pressure vessel
(3) top and bottom offer the first aperture (5) and the second aperture (6), first aperture (5) and the second aperture (6) respectively
Aperture is identical as Quality Initiative conduit (2) outer diameter.
3. a kind of nuclear reactor control device according to claim 2, it is characterised in that: the Quality Initiative conduit (2) is worn
It crosses after the first aperture (5) and the second aperture (6) to join end to end and is formed into a loop structure, the driving mechanism (1) is arranged in Quality Initiative
On conduit (2) loop structure.
4. a kind of nuclear reactor control device according to claim 1 or 3, it is characterised in that: driving mechanism (1) position
It is internal in reactor pressure vessel (3).
5. a kind of nuclear reactor control device according to claim 1, it is characterised in that: the reactor pressure vessel
(3) it is provided on top cover the first aperture (5), the first aperture (5) aperture is identical as Quality Initiative conduit (2) outer diameter.
6. a kind of nuclear reactor control device according to claim 5, it is characterised in that: the Quality Initiative conduit (2) is worn
It crosses after the first aperture (5) to be radially bent out and be connected with driving mechanism (1).
7. a kind of nuclear reactor control device according to claim 3 or 6, it is characterised in that: the driving mechanism (1) is
Circular ring shape is distributed in reactor fuel area (4) two sides.
8. a kind of nuclear reactor control device according to claim 3 or 6, it is characterised in that: the driving mechanism (1) is
Cylindrical distribution is at the top of reactor fuel area (4).
9. a kind of nuclear reactor control device according to claim 3 or 6, it is characterised in that: several described Quality Initiatives
Conduit (2) radical length is different, and the Quality Initiative conduit (2) of the difference radical length is arranged along reactor fuel area (4) radially alternating
Cloth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910114645.0A CN109859871A (en) | 2019-02-14 | 2019-02-14 | A kind of nuclear reactor control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910114645.0A CN109859871A (en) | 2019-02-14 | 2019-02-14 | A kind of nuclear reactor control device |
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Publication Number | Publication Date |
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CN109859871A true CN109859871A (en) | 2019-06-07 |
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CN201910114645.0A Pending CN109859871A (en) | 2019-02-14 | 2019-02-14 | A kind of nuclear reactor control device |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB959383A (en) * | 1959-09-19 | 1964-06-03 | Escher Wyss Ag | Improvements in or relating to nuclear reactors |
GB1431861A (en) * | 1973-02-09 | 1976-04-14 | Atomic Energy Authority Uk | Nuclear reactors |
GB1432008A (en) * | 1972-06-29 | 1976-04-14 | Activite Atom Avance | Control device for a nuclear reactor |
-
2019
- 2019-02-14 CN CN201910114645.0A patent/CN109859871A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB959383A (en) * | 1959-09-19 | 1964-06-03 | Escher Wyss Ag | Improvements in or relating to nuclear reactors |
GB1432008A (en) * | 1972-06-29 | 1976-04-14 | Activite Atom Avance | Control device for a nuclear reactor |
GB1431861A (en) * | 1973-02-09 | 1976-04-14 | Atomic Energy Authority Uk | Nuclear reactors |
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