CN205334975U - Removable formula fuel storage screen work neutron absorbing material subassembly - Google Patents
Removable formula fuel storage screen work neutron absorbing material subassembly Download PDFInfo
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- CN205334975U CN205334975U CN201521128799.9U CN201521128799U CN205334975U CN 205334975 U CN205334975 U CN 205334975U CN 201521128799 U CN201521128799 U CN 201521128799U CN 205334975 U CN205334975 U CN 205334975U
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- screen work
- neutron absorber
- absorber material
- plate
- material assembly
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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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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model provides a removable formula fuel storage screen work neutron absorbing material subassembly includes: removable formula fuel storage screen work, it stores the chamber to be equipped with at least two on the removable formula fuel storage screen work, the neutron absorbing material subassembly, neutron absorbing material subassembly detachably installs between two adjacent storage chambeies, and shelve in store the adjacent parietal top in chamber, compress tightly the part, compress tightly the part be used for with the neutron absorbing material subassembly is fixed on the removable formula fuel storage screen work. The utility model provides a removable formula fuel storage screen work neutron absorbing material subassembly, neutron absorbing material subassembly independently install in fuel storage screen work structure body, can change.
Description
Technical field
This utility model relates to a kind of changeable type bunkering screen work neutron absorber material assembly。
Background technology
Spent fuel storage rack provides storage space principally for the irradiated fuel assembly drawing off reactor core, neutron absorber material in bunkering screen work is to ensure that the key of fuel assembly criticality safety, and fuel assembly can be made can to meet criticality safety requirement under various accident conditionses。
The neutron absorber material that the design of existing bunkering screen work adopts mainly includes aluminum boron composite, boron rustless steel and cadmium plate etc., and main mounting means has: 1) leave the cavity that storage chamber wall is welded with outside stainless steel cladding in；2) storage chamber is formed as frame structure part；3) it is clipped between two-layer rustless steel square tube, is sealed by seal weld。
Although a few class mounting means are safe and reliable above, but all neutron absorber material cannot be replaced, the irradiation of many decades and the immersion of boric acid water must be accepted in Spent Fuel Pool due to neutron absorber material, and face various accident conditions, it is therefore possible to there are the various damages such as burn into swelling, bubbling, deformation, and then affect its neutron absorption capability, it is impossible to ensure that fuel maintains subcritical safety, it is therefore possible to need it is replaced。And in above-mentioned several screen work neutron absorber materials design, screen work can only be scrapped, integral replacing, cost is high, have a big risk。
Utility model content
This utility model is for the deficiencies in the prior art, it is proposed to a kind of changeable type bunkering screen work neutron absorber material assembly。
Changeable type bunkering screen work neutron absorber material assembly includes:
Changeable type bunkering screen work；Described changeable type bunkering screen work is provided with at least two storage chamber；
Neutron absorber material assembly；Described neutron absorber material assembly is removably mounted between two adjacent storage chambers, and is held on the top of the cavity wall of described storage chamber；
Compacting part；Described compacting part for being fixed on described changeable type bunkering screen work by described neutron absorber material assembly。
Preferably, described compacting part includes pressing plate, screw plate and straight pin；Described screw plate is welded on the top of described storage chamber；Described straight pin is arranged on described screw plate；Described pressing plate is arranged on described screw plate by bolt, and can rotate around described bolt；Described pressing plate offers 45 degree of arcuate grooves；Described straight pin can slide along described arcuate groove；Described pressing plate, after described bolt rotates, is pushed down or unclamps described neutron absorber material assembly。
Preferably, described neutron absorber material assembly includes neutron absorber plate, interior coaming plate, peripheral board, connecting plate and triangle guide pad；Described neutron absorber plate is arranged in the cavity being welded by interior coaming plate and peripheral board；Described inside and outside coaming plate welds with described connecting plate；Described connecting plate welds with the triangle guide pad at top；Described triangle guide pad can be fixed on described changeable type bunkering screen work by the pressing of described compacting part。
Preferably, described triangle guide pad two ends are welded with terminal block block, play the effect of lateral Displacement structural strengthening。
Compared with prior art, this utility model has the advantages that
1, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, neutron absorber material assembly is independently installed in bunkering frame structure body, it is possible to change。
2, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, is fixed on changeable type bunkering screen work by compacting part by neutron absorber material assembly, easy for installation, safe and reliable。
3, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, can simultaneously as bunkering screen work targeting port, it is simple to the charge and discharge operations of fuel assembly。
4, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, pressing plate has 45 degree of arcuate grooves, due to the stop effect of straight pin so that pressing plate can rotate 45 degree, namely pushes down or unclamp the triangle guide pad of neutron absorber material assembly。
Accompanying drawing explanation
Fig. 1 is the front view of the changeable type bunkering screen work neutron absorber material assembly meeting this utility model preferred embodiment。
Fig. 2 is the A-A sectional view of structure shown in Fig. 1。
Fig. 3 is the schematic diagram of the compacting part meeting this utility model preferred embodiment。
Fig. 4 is the sectional view of structure shown in Fig. 3。
Fig. 5 is the schematic diagram of the neutron absorber material assembly meeting this utility model preferred embodiment。
Fig. 6 is the partial sectional view of structure shown in Fig. 5。
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail。
As shown in figures 1 to 6, changeable type bunkering screen work neutron absorber material assembly includes:
Changeable type bunkering screen work 1；Described changeable type bunkering screen work 1 is provided with at least two storage chamber 11；
Neutron absorber material assembly 2；Described neutron absorber material assembly 2 is removably mounted between two adjacent storage chambers 11, and is held on the top of the cavity wall of described storage chamber；
Compacting part 3；Described compacting part 3 for being fixed on described changeable type bunkering screen work 1 by described neutron absorber material assembly 2。
Preferably, described compacting part 3 includes pressing plate 31, screw plate 32 and straight pin 33；Described screw plate 32 is welded on the top of described storage chamber 11；Described straight pin 33 is arranged on described screw plate 32；Described pressing plate 31 is arranged on described screw plate 32 by bolt 34, and can rotate around described bolt 34；Described pressing plate 31 offers 45 degree of arcuate grooves 35；Described straight pin 33 can slide along described arcuate groove 35；Described pressing plate 31, after described bolt 34 rotates, is pushed down or unclamps described neutron absorber material assembly 2。
Preferably, described neutron absorber material assembly 2 includes neutron absorber plate 25, interior coaming plate 24, peripheral board 26, connecting plate 23 and triangle guide pad 21；Described neutron absorber plate 25 is arranged in the cavity being welded by interior coaming plate 24 and peripheral board 26；Described inside and outside coaming plate 24 welds with described connecting plate 23；Described connecting plate 23 welds with the triangle guide pad 21 at top；Described triangle guide pad 21 can be fixed on described changeable type bunkering screen work by the pressing of described compacting part 3。
Preferably, described triangle guide pad 21 two ends are welded with terminal block block 22, play the effect of lateral Displacement structural strengthening。
Compared with prior art, this utility model has the advantages that
1, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, neutron absorber material assembly is independently installed in bunkering frame structure body, it is possible to change。
2, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, is fixed on changeable type bunkering screen work by compacting part by neutron absorber material assembly, easy for installation, safe and reliable。
3, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, can simultaneously as bunkering screen work targeting port, it is simple to the charge and discharge operations of fuel assembly。
4, the changeable type bunkering screen work neutron absorber material assembly that this utility model provides, pressing plate has 45 degree of arcuate grooves, due to the stop effect of straight pin so that pressing plate can rotate 45 degree, namely pushes down or unclamp the triangle guide pad of neutron absorber material assembly。
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to。For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates referring to method part。
Those skilled in the art specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that exceed scope of the present utility model。
Obviously, utility model can be carried out various change and modification without deviating from spirit and scope of the present utility model by those skilled in the art。So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to include these change and modification。
Claims (4)
1. a changeable type bunkering screen work neutron absorber material assembly, it is characterised in that including:
Changeable type bunkering screen work；Described changeable type bunkering screen work is provided with at least two storage chamber；
Neutron absorber material assembly；Described neutron absorber material assembly is removably mounted between two adjacent storage chambers, and is held on the top of the cavity wall of described storage chamber；
Compacting part；Described compacting part for being fixed on described changeable type bunkering screen work by described neutron absorber material assembly。
2. changeable type bunkering screen work neutron absorber material assembly as claimed in claim 1, it is characterised in that described compacting part includes pressing plate, screw plate and straight pin；Described screw plate is welded on the top of described storage chamber；Described straight pin is arranged on described screw plate；Described pressing plate is arranged on described screw plate by bolt, and can rotate around described bolt；Described pressing plate offers 45 degree of arcuate grooves；Described straight pin can slide along described arcuate groove；Described pressing plate, after described bolt rotates, is pushed down or unclamps described neutron absorber material assembly。
3. changeable type bunkering screen work neutron absorber material assembly as claimed in claim 1, it is characterised in that described neutron absorber material assembly includes neutron absorber plate, interior coaming plate, peripheral board, connecting plate and triangle guide pad；Described neutron absorber plate is arranged in the cavity being welded by interior coaming plate and peripheral board；Described inside and outside coaming plate welds with described connecting plate；Described connecting plate welds with the triangle guide pad at top；Described triangle guide pad can be fixed on described changeable type bunkering screen work by the pressing of described compacting part。
4. changeable type bunkering screen work neutron absorber material assembly as claimed in claim 3, it is characterised in that described triangle guide pad two ends are welded with terminal block block。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128799.9U CN205334975U (en) | 2015-12-29 | 2015-12-29 | Removable formula fuel storage screen work neutron absorbing material subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128799.9U CN205334975U (en) | 2015-12-29 | 2015-12-29 | Removable formula fuel storage screen work neutron absorbing material subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205334975U true CN205334975U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128799.9U Active CN205334975U (en) | 2015-12-29 | 2015-12-29 | Removable formula fuel storage screen work neutron absorbing material subassembly |
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| CN (1) | CN205334975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469844A (en) * | 2015-12-29 | 2016-04-06 | 上海核工程研究设计院 | Neutron absorbing material assembly for replaceable fuel storage grillwork |
| WO2020211583A1 (en) * | 2019-04-17 | 2020-10-22 | 中硼(厦门)医疗器械有限公司 | Neutron capture therapy system |
-
2015
- 2015-12-29 CN CN201521128799.9U patent/CN205334975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469844A (en) * | 2015-12-29 | 2016-04-06 | 上海核工程研究设计院 | Neutron absorbing material assembly for replaceable fuel storage grillwork |
| WO2020211583A1 (en) * | 2019-04-17 | 2020-10-22 | 中硼(厦门)医疗器械有限公司 | Neutron capture therapy system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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 |