CN105355236B - A kind of simplified simulated fuel assembly - Google Patents
A kind of simplified simulated fuel assembly Download PDFInfo
- Publication number
- CN105355236B CN105355236B CN201510658750.2A CN201510658750A CN105355236B CN 105355236 B CN105355236 B CN 105355236B CN 201510658750 A CN201510658750 A CN 201510658750A CN 105355236 B CN105355236 B CN 105355236B
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- CN
- China
- Prior art keywords
- simplified
- simplification
- simplify
- column
- fuel assembly
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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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
-
- 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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
-
- 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)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of simplified simulated fuel assembly, including simplify upper base, simplify support frame and simplify bottom nozzle；The simplification support frame is made up of upper junction plate, lower connecting plate, column and balancing weight；Annexation from top to bottom is to simplify upper base, upper junction plate, column, lower connecting plate and simplified bottom nozzle to be sequentially connected；Balancing weight is connected on column.The present invention is simple in construction, manufacture, easy to assembly, cost is low, remains upper and lower part interface, disclosure satisfy that what is be engaged with equipment such as fuel manipulator crane, long handle instruments uses functional requirement.
Description
Technical field
The present invention relates to a kind of simulated fuel assembly, more particularly to a kind of simplified simulated fuel assembly.
Background technology
True fuel component as shown in figure 1, generally by holddown spring, upper base, guide pipe, fuel rod, screen work, and under
The parts such as base are formed.Due to the requirement used in heap, thereon, down tube holder structure be provided with complicated flowing water pore structure, screen work
To have the multi-grid structure that the band of spring and firm male structure forms by a plurality of tabular, therefore true fuel modular construction is answered
It is miscellaneous, amount of parts is numerous, higher to the requirement on machining accuracy of each parts and to meet use condition in reactor, so
The manufacturing of true fuel component is more complicated, cost is higher.And in some specific use occasions (such as in loading and unloading training on operation)
And complete true fuel component is not needed, it is only necessary to retain the interface related to using function, therefore just need design a kind of simple
The simulated fuel assembly of change reduces the complexity of the manufacturing and cost.
Usually used simulated fuel assembly is similar to true fuel modular construction, only by the UO in wherein fuel rod2Core
Block is replaced by simulation molybdenum pellet.This simulated assembly is compared with authentic component due to being reduced using molybdenum pellet cost, is pacified
Full property improves, but due to still using upper and lower base same or analogous with true fuel component, guide pipe, frame structure, because
This its processing and manufacturing is still more complicated, and cost is higher.
The content of the invention
To solve the above problems, the present invention provides a kind of simulated fuel assembly of simplification, its simple in construction, manufacture, assembling
Conveniently, cost is low, remains upper and lower part interface, disclosure satisfy that what is be engaged with equipment such as fuel manipulator crane, long handle instruments uses work(
It can require.
A kind of simplified simulated fuel assembly of the present invention, including simplify upper base, simplify support frame and simplify bottom nozzle；
The simplified support frame is made up of upper junction plate, lower connecting plate, column and balancing weight；From top to bottom base in the simplification,
The upper junction plate, the column, the lower connecting plate and the simplified bottom nozzle are sequentially connected；The balancing weight is connected to institute
State on column.Balancing weight to simplify simulated fuel assembly weight identical with true fuel component, is advantageous to loading and unloading operation training
Instruction.
Further, in addition to simplify screen work and simplify fuel rod；The simplified screen work is connected with the column；The letter
Change fuel rod and insert the simplified screen work.
Another better embodiment of the present invention is to simplify simulated fuel assembly by base, the simplification in the simplification
Support frame and the simplified bottom nozzle are formed.
Further, the column is connected with the upper junction plate and the lower connecting plate by welding manner.
Further, in the simplification base and the simplified bottom nozzle respectively with the upper junction plate and the lower connection
Plate passes through screw or bolt connection；Base, the simplified bottom nozzle, the upper junction plate and the lower connecting plate in the simplification
Be provided with through hole either threaded hole so that screw or bolt pass through；The surrounding of the upper junction plate and the lower connecting plate point
Do not welded with base in the simplification and the simplified bottom nozzle and connected mode is reinforced.
Further, the quantity of the column is 4.
Further, the column is square or rectangular steel pipe.
Another better embodiment of the present invention is, by base, the simplified support frame, the simplification in the simplification
Bottom nozzle, the simplified screen work and the simplified fuel bar construction.
Further, the simplified screen work is connected by connecting cornual plate with the column；The simplified fuel rod is divided into,
Lower two sections, insert in the simplified screen work, and coordinated by the screw thread and the screw in the simplified screen work of each section of tail end respectively
It is fixed.
Further, the balancing weight is bolted with the column.
Further, in simplification base and simplify bottom nozzle be provided with true fuel component identical dowel hole,
And simplify and be provided with and base identical operation planar on true fuel component on upper base.Therefore, simplification mould of the invention
Intend the upper and lower part interface that fuel assembly remains true fuel component.
This kind of simplified simulated fuel assembly, it can coordinate with fuel manipulator crane, long handle instrument, specific occasion mould can be met
Intend fuel assembly use, while amount of parts it is few, manufacture difficulty of processing it is low, greatly reduce simulated fuel assembly into
This.
Brief description of the drawings
Fig. 1 is the structural representation of typical PWR fuel assembly.
Fig. 2 is the structural representation of the screen work in typical PWR fuel assembly.
Fig. 3 is the structural representation of an embodiment of the simplification simulated combustion component of the present invention.
Fig. 4 is the structural representation of another embodiment of the simplification simulated combustion component of the present invention.
Fig. 5 is the partial structural diagram of an embodiment of the simplification simulated combustion component of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of typical PWR fuel assembly, is real fuel assembly, including holddown spring 1, on
Base 2, guide pipe 3, fuel rod 4, screen work 5, and the grade part of bottom nozzle 6.Upper base 2 and bottom nozzle 6 are provided with complicated stream
Outlet hole structure, screen work 5 are the multi-grid structure being made up of the band with spring and firm male structure of a plurality of tabular.Fig. 2 is allusion quotation
The structural representation of screen work in type PWR fuel assembly, it is real screen work.It can be seen that screen work is by more battens
The multi-grid structure with spring and the band of firm male structure composition of shape.
Fig. 3 is the structural representation of an embodiment of the simplification simulated combustion component of the present invention；Fig. 4 is in Fig. 3
Simplify simulated combustion component to remove simplified screen work 8 and simplify the structural representation after fuel rod 9.With reference to Fig. 3 and 4, can see
Go out the simplification simulated combustion component by simplifying upper base 7, simplification support frame 11, simplifying bottom nozzle 10, simplified screen work 8, simplification
Fuel rod 9 is formed, and is simplified support frame 11 and is made up of upper junction plate 14, lower connecting plate 15, column 12 and balancing weight 13.
It is main support structure to simplify support frame 11.Wherein, column 12 is square or rectangular steel pipe, column 12 and upper company
Fishplate bar 14, lower connecting plate 15 are connected by welding manner.Through hole is provided with the steel pipe wall of column 12 is and Weight plate 13 and letter
The connection for changing screen work 8 provides path.Weight plate 13 as shown in Figure 4 is equally provided with through hole, and Weight plate 13 is inserted between column 12 simultaneously
It is connected by bolt with column.
Connected as shown in figure 5, simplifying between screen work 8 and column by connecting cornual plate 16；Simplify fuel rod 9 to divide to be upper and lower
Two sections, insert to simplify in screen work 8 and by each section of threads with the screw simplified in screen work coordinate respectively and fix.
Base 7 and simplified bottom nozzle 10 remain the interface coordinated with equipment such as fuel manipulator crane, long handle instruments in simplification, right
Remainder carries out simplifying design.In simplification base 7 and simplify bottom nozzle 1 on be provided with some through holes or screwed hole respectively with upper company
Corresponding screwed hole or through hole are used cooperatively screw or bolt connection on fishplate bar 14 and lower connecting plate 15；Upper junction plate 14 and lower company
The surrounding of fishplate bar 15 is reinforced with simplifying upper base 7 and simplifying bottom nozzle 10 to be welded to connected mode respectively.
As shown in figure 4, specific occasion such as need to further be simplified, then simplified screen work 8 can not be installed and simplify fuel rod
9, turn into another embodiment of the simplification simulated combustion component of the present invention.
In simplification base and simplify bottom nozzle be provided with true fuel component identical dowel hole, and simplify on
It is provided with base and base identical operation planar on true fuel component.Therefore, simplification simulated fuel assembly of the invention
Remain the upper and lower part interface of true fuel component.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of simplified simulated fuel assembly, it is characterised in that including simplifying upper base, simplifying support frame and simplifying down tube
Seat；The simplified support frame is made up of upper junction plate, lower connecting plate, column and balancing weight；Simplified upper tube described from top to bottom
Seat, the upper junction plate, the column, the lower connecting plate and the simplified bottom nozzle are sequentially connected；The balancing weight connection
On the column；Also include simplifying screen work and simplify fuel rod；The simplified screen work is connected with the column；The simplified combustion
Charge bar inserts the simplified screen work；The simplified fuel rod is divided into upper and lower two sections, inserts respectively in the simplified screen work, and lead to
The screw thread and the screw in the simplified screen work for crossing each section of tail end coordinate fixation.
2. simplify simulated fuel assembly as claimed in claim 1, it is characterised in that by base, the simplification in the simplification
Support frame and the simplified bottom nozzle are formed.
3. simplify simulated fuel assembly as claimed in claim 1, it is characterised in that the column and the upper junction plate and institute
Lower connecting plate is stated to connect by welding manner.
4. simplify simulated fuel assembly as claimed in claim 1, it is characterised in that in the simplification under base and the simplification
Base passes through screw or bolt connection with the upper junction plate and the lower connecting plate respectively；Base, the letter in the simplification
Change bottom nozzle, the upper junction plate and the lower connecting plate be provided with threaded hole either through hole so that screw or bolt are worn
Cross；The surrounding of the upper junction plate and the lower connecting plate is welded with base in the simplification and the simplified bottom nozzle respectively
Connect and connected mode is reinforced.
5. simplify simulated fuel assembly as claimed in claim 1, it is characterised in that the quantity of the column is 4, described vertical
Post is rectangular steel tube.
6. simplify simulated fuel assembly as claimed in claim 1, it is characterised in that by base, the simplification in the simplification
Support frame, the simplified bottom nozzle, the simplified screen work and the simplified fuel bar construction.
7. as claimed in claim 1 simplify simulated fuel assembly, it is characterised in that the simplified screen work by connect cornual plate with
The column connection.
8. the simplification simulated fuel assembly as described in any one of claim 1~7, it is characterised in that the balancing weight with it is described
Column is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658750.2A CN105355236B (en) | 2015-10-13 | 2015-10-13 | A kind of simplified simulated fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658750.2A CN105355236B (en) | 2015-10-13 | 2015-10-13 | A kind of simplified simulated fuel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355236A CN105355236A (en) | 2016-02-24 |
| CN105355236B true CN105355236B (en) | 2018-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510658750.2A Expired - Fee Related CN105355236B (en) | 2015-10-13 | 2015-10-13 | A kind of simplified simulated fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355236B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529053A (en) * | 2016-02-29 | 2016-04-27 | 中国核动力研究设计院 | Pressurized water reactor fuel assembly simulator and method for designing same |
| CN106328225B (en) * | 2016-08-31 | 2018-09-28 | 上海核工程研究设计院 | Test element and experimental method for the test of PWR fuel assembly vibration performance |
| CN109979614B (en) * | 2017-12-27 | 2024-03-19 | 核动力运行研究所 | A AP1000 unit warp fuel assembly structure for fuel operation training |
| CN108665985A (en) * | 2018-05-17 | 2018-10-16 | 上海核工程研究设计院有限公司 | A kind of equivalent fuel assembly of bunkering screen work shock test |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4022204B2 (en) * | 2004-01-14 | 2007-12-12 | 独立行政法人 日本原子力研究開発機構 | Test method for practical use of new fuel |
| CN201242873Y (en) * | 2008-08-06 | 2009-05-20 | 中国原子能科学研究院 | fuel assembly analog piece for sodium cold rapid stack |
| CN202887584U (en) * | 2012-11-06 | 2013-04-17 | 浏阳市科技模型厂有限公司 | Light water-pressurized water reactor nuclear reactor body model |
| CN204332389U (en) * | 2015-01-15 | 2015-05-13 | 中国核动力研究设计院 | A kind of analog element for fuel assembly thermal-hydraulic experiment |
-
2015
- 2015-10-13 CN CN201510658750.2A patent/CN105355236B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4022204B2 (en) * | 2004-01-14 | 2007-12-12 | 独立行政法人 日本原子力研究開発機構 | Test method for practical use of new fuel |
| CN201242873Y (en) * | 2008-08-06 | 2009-05-20 | 中国原子能科学研究院 | fuel assembly analog piece for sodium cold rapid stack |
| CN202887584U (en) * | 2012-11-06 | 2013-04-17 | 浏阳市科技模型厂有限公司 | Light water-pressurized water reactor nuclear reactor body model |
| CN204332389U (en) * | 2015-01-15 | 2015-05-13 | 中国核动力研究设计院 | A kind of analog element for fuel assembly thermal-hydraulic experiment |
Non-Patent Citations (1)
| Title |
|---|
| NHR-200燃料组件定位格架水力学模拟实验研究;姜胜耀等;《清华大学学报(自然科学版)》;19981231;第38卷(第12期);第1-4页 * |
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| Publication number | Publication date |
|---|---|
| CN105355236A (en) | 2016-02-24 |
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| 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 & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180515 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Co-patentee after: National Nuclear Uranium Industry Development Co.,Ltd. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20181013 |