CN206619406U - A kind of standby neutron-absorbing component of spent fuel storage rack - Google Patents
A kind of standby neutron-absorbing component of spent fuel storage rack Download PDFInfo
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- CN206619406U CN206619406U CN201720188128.4U CN201720188128U CN206619406U CN 206619406 U CN206619406 U CN 206619406U CN 201720188128 U CN201720188128 U CN 201720188128U CN 206619406 U CN206619406 U CN 206619406U
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- neutron
- plate
- standby
- absorbing component
- spent fuel
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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
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a kind of standby neutron-absorbing component of spent fuel storage rack, and it includes storage chamber；Plate, the coaming plate surrounds one end of the storage chamber；Bottom plate, the bottom plate is arranged on the other end relative with the coaming plate；Bearing, the bearing is arranged on below the bottom plate, for supporting spent fuel storage rack；And fixed type neutron absorbing material and involucrum, the fixed type neutron absorbing material and involucrum are arranged on the periphery of the storage chamber.The standby neutron-absorbing component of spent fuel storage rack that the present embodiment is provided, effectively improves the security of irradiated fuel store, once fixed type neutron baffle fails, can be inserted into standby neutron-absorbing component, it is ensured that the criticality safety of irradiated fuel store.The critical component that standby neutron-absorbing component can lengthen the life as spent fuel storage rack simultaneously, improves the economy of nuclear power station.
Description
Technical field
The utility model is related to spent nuclear fuel in nuclear power plant storage, and in particular to a kind of standby neutron-absorbing of spent fuel storage rack
Component.
Background technology
Spent fuel storage rack is located in auxiliary plant Spent fuel pit, the spentnuclear fuel group mainly to draw off reactor core
Part provides storage space, and the new of heap to be entered, irradiated fuel assembly (containing plug-in part) are deposited temporarily.It is weary for all expection operating modes
Bunkering screen work should be able to meet the requirement of fuel assembly cooling and subcritical storage.What is drawn off out of nuclear power plant reactor is weary
Fuel has very strong radioactivity and continues release heat, it is necessary to be stored in Spent Fuel Pool for quite a long time, outer meeting
It is transported to after arc manipulation part outside (generally 10 calendar years), spentnuclear fuel in special storage facilities.Due to domestic also without maturation
Spentnuclear fuel long-term storage facility and fuel outward transport cost are very high, and it is current main to improve the storage capability in the factory of nuclear power plant
Counter-measure, i.e., using the intensive storing technology of spentnuclear fuel.On the premise of safety is ensured, stored as much as possible in nuclear power plant
Irradiated fuel assembly, is the key technical problem of spent fuel storage rack design.Fixed type neutron absorbing material is irradiated fuel store
The critical component of screen work, though there are the requirement and measure of in-service monitoring, if fail, except spent fuel storage rack is overall
Outside scrapping, neutron absorber material is changed without means, economy is poor, and operation is inconvenient.
Utility model content
The utility model in view of the shortcomings of the prior art, proposes a kind of standby neutron-absorbing component of spent fuel storage rack.
The standby neutron-absorbing component of spent fuel storage rack includes
Storage chamber；
Coaming plate, the coaming plate surrounds one end of the storage chamber；
Bottom plate, the bottom plate is arranged on the other end relative with the coaming plate；
Bearing, the bearing is arranged on below the bottom plate, for supporting spent fuel storage rack；And
Fixed type neutron absorbing material and involucrum, the fixed type neutron absorbing material and involucrum are arranged on the storage chamber
Periphery.
Preferably, in addition to baffle plate, supporting plate, neutron absorber plate, liner plate, cover plate I, cover plate II, baffle plate is vertically arranged in
The supporting plate one side is simultaneously connected with supporting plate, the installation for standby neutron-absorbing component；The cover plate I, the cover plate
II and the supporting plate are welded to each other；The neutron absorber plate is coated between the cover plate I and the cover plate II.
Preferably, the neutron absorber plate selects aluminium base boron carbide board.
Preferably, the neutron absorber plate covers the active region of fuel assembly.
Preferably, in addition to standby neutron-absorbing component stopping dam, the standby neutron-absorbing component stopping dam is arranged on
Store on sleeve, and positioned at the lower section of the fixed type neutron absorbing material and involucrum.
Compared with prior art, the utility model has the advantages that：
1st, the standby neutron-absorbing component of spent fuel storage rack that the utility model is provided, effectively improves irradiated fuel store
Security, once fixed type neutron baffle fails, can be inserted into standby neutron-absorbing component, it is ensured that irradiated fuel store faces
Boundary's safety.The critical component that standby neutron-absorbing component can lengthen the life as spent fuel storage rack simultaneously, improves the warp of nuclear power station
Ji property.
2nd, the standby neutron-absorbing component of spent fuel storage rack that the utility model is provided, spent fuel storage rack is fixed
When neutron absorber plate fails, standby neutron-absorbing component is can be inserted into, the security of irradiated fuel store is improved；Standby neutron-absorbing group
Part is lengthened the life available for spent fuel storage rack, improves the economy of nuclear power station；Standby neutron-absorbing modular construction is simple, by not
Rust steel cage plate is coated to neutron absorber plate；The installation of standby neutron-absorbing component and draw off conveniently, can be used specific purpose tool
Operated.
Brief description of the drawings
Fig. 1 for the spent fuel storage rack of the standby neutron-absorbing component of use that the utility model is provided schematic diagram.
Fig. 2 is the I enlarged drawings in Fig. 1.
The schematic diagram for the spent fuel storage rack storage chamber that Fig. 3 provides for the utility model.
The schematic diagram for the standby neutron-absorbing component that Fig. 4 provides for the utility model.
Fig. 5 is the sectional view of structure shown in Fig. 4.
Wherein：1- storage chambers；2- coaming plates；3- bearings；4- bottom plates；The standby neutron-absorbing components of 5-；6- stores sleeve；7- consolidates
Fixed pattern neutron absorber material and involucrum；The standby neutron-absorbing component stopping dams of 8-；9- baffle plates；10- supporting plates；11- neutron-absorbings
Plate；12- liner plates；13- cover plates I；14- cover plates II.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As Figure 1-5, the standby neutron-absorbing component of spent fuel storage rack includes storage chamber 1；Coaming plate 2, the coaming plate 2
Around one end of the storage chamber 1；Bottom plate 4, the bottom plate 4 is arranged on the other end relative with the coaming plate 2；Bearing, it is described
Bearing 3 is arranged on the lower section of bottom plate 4, for supporting spent fuel storage rack；And fixed type neutron absorbing material and involucrum 7,
The fixed type neutron absorbing material and involucrum 7 are arranged on the periphery of the storage chamber 1.
The standby neutron-absorbing component of spent fuel storage rack also includes baffle plate 9, supporting plate 10, neutron absorber plate 11, liner plate
12nd, cover plate I 13, cover plate II 14, baffle plate 9 are vertically arranged in the one side of supporting plate 10 and are connected with supporting plate 10, are used for
The installation of standby neutron-absorbing component；The cover plate I 13, the cover plate II 14 and the supporting plate 10 are welded to each other；It is described
Neutron absorber plate 11 is coated between the cover plate I 13 and the cover plate II 14.The neutron absorber plate is carbonized from aluminium base
Boron plate.The neutron absorber plate covers the active region of fuel assembly.
The standby neutron-absorbing component of spent fuel storage rack also includes standby neutron-absorbing component stopping dam 8, described standby
Neutron-absorbing component stopping dam is arranged on storage sleeve 6, and positioned at the lower section of the fixed type neutron absorbing material and involucrum.
Compared with prior art, the present embodiment has the advantages that：
1st, the standby neutron-absorbing component of spent fuel storage rack that the present embodiment is provided, effectively improves the peace of irradiated fuel store
Quan Xing, once fixed type neutron baffle fails, can be inserted into standby neutron-absorbing component, it is ensured that irradiated fuel store it is critical
Safety.The critical component that standby neutron-absorbing component can lengthen the life as spent fuel storage rack simultaneously, improves the economy of nuclear power station
Property.
2nd, the standby neutron-absorbing component of spent fuel storage rack that the present embodiment is provided, during spent fuel storage rack is fixed
During sub- baffle failure, standby neutron-absorbing component is can be inserted into, the security of irradiated fuel store is improved；Standby neutron-absorbing component
Lengthen the life available for spent fuel storage rack, improve the economy of nuclear power station；Standby neutron-absorbing modular construction is simple, by stainless
Steel cage plate is coated to neutron absorber plate；The installation of standby neutron-absorbing component and draw off conveniently, usable specific purpose tool enters
Row operation.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can realize described function to each specific application using distinct methods, but
It is this realize it is not considered that beyond scope of the present utility model.
Obviously, those skilled in the art can be new without departing from this practicality to the various changes of utility model progress and modification
The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claim and its
Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.
Claims (5)
1. a kind of standby neutron-absorbing component of spent fuel storage rack, it is characterised in that including
Storage chamber；
Coaming plate, the coaming plate surrounds one end of the storage chamber；
Bottom plate, the bottom plate is arranged on the other end relative with the coaming plate；
Bearing, the bearing is arranged on below the bottom plate, for supporting spent fuel storage rack；And
Fixed type neutron absorbing material and involucrum, the fixed type neutron absorbing material and involucrum are arranged on the week of the storage chamber
Side.
2. the standby neutron-absorbing component of spent fuel storage rack according to claim 1, it is characterised in that also including gear
Plate, supporting plate, neutron absorber plate, liner plate, cover plate I, cover plate II, baffle plate be vertically arranged in the supporting plate one side and with support
Plate is connected, the installation for standby neutron-absorbing component；The cover plate I, the cover plate II and the supporting plate are welded to each other；Institute
Neutron absorber plate is stated to be coated between the cover plate I and the cover plate II.
3. the standby neutron-absorbing component of spent fuel storage rack according to claim 2, it is characterised in that the neutron is inhaled
Receive plate and select aluminium base boron carbide board.
4. the standby neutron-absorbing component of spent fuel storage rack according to claim 2, it is characterised in that the neutron is inhaled
Receive the active region that plate covers fuel assembly.
5. the standby neutron-absorbing component of spent fuel storage rack according to claim 1, it is characterised in that also including standby
Neutron-absorbing component stopping dam, the standby neutron-absorbing component stopping dam is arranged on storage sleeve, and positioned at the fixation
The lower section of formula neutron absorber material and involucrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188128.4U CN206619406U (en) | 2017-02-28 | 2017-02-28 | A kind of standby neutron-absorbing component of spent fuel storage rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188128.4U CN206619406U (en) | 2017-02-28 | 2017-02-28 | A kind of standby neutron-absorbing component of spent fuel storage rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206619406U true CN206619406U (en) | 2017-11-07 |
Family
ID=60231457
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720188128.4U Active CN206619406U (en) | 2017-02-28 | 2017-02-28 | A kind of standby neutron-absorbing component of spent fuel storage rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206619406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068221A (en) * | 2017-02-28 | 2017-08-18 | 上海核工程研究设计院 | A kind of standby neutron-absorbing component of spent fuel storage rack |
| CN113571216A (en) * | 2021-06-15 | 2021-10-29 | 上海核工程研究设计院有限公司 | Netted sandwich structure storage cavity for dense spent fuel storage and storage grillwork thereof |
-
2017
- 2017-02-28 CN CN201720188128.4U patent/CN206619406U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068221A (en) * | 2017-02-28 | 2017-08-18 | 上海核工程研究设计院 | A kind of standby neutron-absorbing component of spent fuel storage rack |
| CN107068221B (en) * | 2017-02-28 | 2024-04-09 | 上海核工程研究设计院股份有限公司 | Neutron absorption assembly for spent fuel storage grillwork |
| CN113571216A (en) * | 2021-06-15 | 2021-10-29 | 上海核工程研究设计院有限公司 | Netted sandwich structure storage cavity for dense spent fuel storage and storage grillwork thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |