CN105355236A - Simplified simulated fuel assembly - Google Patents
Simplified simulated fuel assembly Download PDFInfo
- Publication number
- CN105355236A CN105355236A CN201510658750.2A CN201510658750A CN105355236A CN 105355236 A CN105355236 A CN 105355236A CN 201510658750 A CN201510658750 A CN 201510658750A CN 105355236 A CN105355236 A CN 105355236A
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- China
- Prior art keywords
- simplification
- simplify
- fuel assembly
- simulated fuel
- column
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Classifications
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- 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 simplified simulated fuel assembly, comprising a simplified upper tube base, a simplified supporting framework and a simplified lower tube base, wherein the simplified supporting framework is composed of an upper connection board, a lower connection board, a stand column and a counterweight block; the simplified upper tube base, the upper connection board, the stand column, the lower connection board and the simplified lower tube base are successively connected from top to bottom; and the counterweight block is connected with the stand column. The simplified simulated fuel assembly is simple in structure, convenient in manufacturing and assembling and low in cost, reserves upper and lower interfaces and can satisfy requirements for service functions matching with equipment like loading and unloading machines and long-handle tools.
Description
Technical field
The present invention relates to a kind of simulated fuel assembly, particularly relate to a kind of simplification simulated fuel assembly.
Background technology
As shown in Figure 1, usually by holddown spring, upper base, guide pipe, fuel rod, screen work, and the parts such as bottom nozzle are formed true fuel assembly.Owing to piling the requirement of interior use, its upper, lower tube holder structure is provided with complicated discharge orifice structure, screen work is the multi-grid structure be made up of the band with spring and firm male structure of many tabulars, therefore true fuel modular construction is complicated, amount of parts is numerous, and for meeting service condition in reactor, higher to the requirement on machining accuracy of each parts, so the manufacturing of true fuel assembly is more complicated, cost is higher.And do not need complete true fuel assembly in some specific use occasion (as in the training on operation of handling material), only need to retain the interface relevant to using function, therefore just need the simulated fuel assembly designing a kind of simplification to reduce complicacy and the cost of the manufacturing.
Normally used simulated fuel assembly is similar to true fuel modular construction, only by the UO in wherein fuel rod
2pellet is replaced by simulation molybdenum pellet.This simulated assembly is compared and is obtained reduction with authentic component owing to using molybdenum pellet cost, security improves, but owing to still using same or analogous upper and lower base, guide pipe, frame structure with true fuel assembly, therefore its processing and manufacturing is still more complicated, and cost is higher.
Summary of the invention
For solving the problem, the invention provides a kind of simulated fuel assembly of simplification, its structure is simple, manufacture, easy to assembly, cost is low, remains upper and lower part interface, the using function requirement matched with the equipment such as fuel manipulator crane, long handle instrument can be met.
One of the present invention simplifies simulated fuel assembly, comprises and simplifies upper base, simplification support frame and simplify bottom nozzle; Described simplification support frame is made up of upper junction plate, lower connecting plate, column and balancing weight; In described simplification, base, described upper junction plate, described column, described lower connecting plate are connected successively with described simplification bottom nozzle from top to bottom; Described balancing weight is connected on described column.It is identical with true fuel assembly that balancing weight makes to simplify simulated fuel assembly weight, is conducive to the training on operation of handling material.
Further, also comprise simplification screen work and simplify fuel rod; Described simplification screen work is connected with described column; Described simplification fuel rod inserts described simplification screen work.
Another better embodiment of the present invention is, simplifies simulated fuel assembly and is made up of base, described simplification support frame and described simplification bottom nozzle in described simplification.
Further, described column is all connected by welding manner with described upper junction plate and described lower connecting plate.
Further, in described simplification, base is connected by screw or bolt with described upper junction plate and described lower connecting plate respectively with described simplification bottom nozzle; In described simplification, base, described simplification bottom nozzle, described upper junction plate and described lower connecting plate are provided with through hole or threaded hole so that screw or bolt pass; The surrounding of described upper junction plate and described lower connecting plate is carried out welding with base in described simplification and described simplification bottom nozzle respectively and is reinforced connected mode.
Further, the quantity of described column is 4.
Further, described column is square or rectangular steel pipe.
Another better embodiment of the present invention is, is made up of base, described simplification support frame, described simplification bottom nozzle, described simplification screen work and described simplification fuel rod in described simplification.
Further, described simplification screen work is connected with described column by connecting gusset plate; Described simplification fuel rod is divided into upper and lower two sections, inserts respectively in described simplification screen work, and coordinates fixing with the screw in described simplification screen work by the screw thread of each section of tail end.
Further, described balancing weight and described column are bolted.
Further, in simplification, base is provided with the dowel hole identical with true fuel assembly with simplification bottom nozzle, and the upper base of simplification is provided with the operation planar identical with base on true fuel assembly.Therefore, simplification simulated fuel assembly of the present invention remains the upper and lower part interface of true fuel assembly.
The simulated fuel assembly that this kind simplifies, can coordinate with fuel manipulator crane, long handle instrument, can meet the use of specific occasion simulated fuel assembly, and amount of parts is few simultaneously, manufacture difficulty of processing is low, greatly reduces the cost of simulated fuel assembly.
Accompanying drawing explanation
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 simplification simulated combustion assembly of the present invention.
Fig. 4 is the structural representation of another embodiment of simplification simulated combustion assembly of the present invention.
Fig. 5 is the partial structurtes schematic diagram of an embodiment of simplification simulated combustion assembly of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Fig. 1 is the structural representation of typical PWR fuel assembly, is real fuel assembly, comprises holddown spring 1, upper base 2, guide pipe 3, fuel rod 4, screen work 5, and the parts such as bottom nozzle 6.Upper base 2 and bottom nozzle 6 are provided with complicated discharge orifice structure, and screen work 5 is the multi-grid structure be made up of the band with spring and firm male structure of many tabulars.Fig. 2 is the structural representation of the screen work in typical PWR fuel assembly, is real screen work.Therefrom can find out that screen work is the multi-grid structure be made up of the band with spring and firm male structure of many tabulars.
Fig. 3 is the structural representation of an embodiment of simplification simulated combustion assembly of the present invention; Fig. 4 is that the simplification simulated combustion assembly in Fig. 3 removes the structural representation simplifying screen work 8 and simplify after fuel rod 9.Composition graphs 3 and 4, can find out this simplification simulated combustion assembly by simplify upper base 7, simplify support frame 11, simplify bottom nozzle 10, simplify screen work 8, simplify fuel rod 9 form, simplify support frame 11 be made up of upper junction plate 14, lower connecting plate 15, column 12 and balancing weight 13.
Simplifying support frame 11 is main support structure.Wherein, column 12 is square or rectangular steel pipe, and column 12 is connected by welding manner with upper junction plate 14, lower connecting plate 15.The steel pipe wall of column 12 has through hole for providing path with Weight plate 13 and the connection simplifying screen work 8.Weight plate 13 has through hole equally as shown in Figure 4, and Weight plate 13 to be inserted between column 12 and is connected with column by bolt.
As shown in Figure 5, simplify screen work 8 to connect by being connected gusset plate 16 with between column; Simplify fuel rod 9 and be divided into upper and lower two sections, insert respectively and simplify in screen work 8 and coordinate with the screw simplified in screen work fixing by each section of threads.
Base 7 and simplify bottom nozzle 10 and remain the interface coordinated with the equipment such as fuel manipulator crane, long handle instrument in simplification, carries out simplified design to remainder.In simplification, base 7 bottom nozzle 1 has some through holes or corresponding on upper junction plate 14 and the lower connecting plate 15 respectively threaded hole of threaded hole or through hole be connected with the use of screw or bolt with simplifying; The surrounding of upper junction plate 14 and lower connecting plate 15 base 7 upper with simplification and simplify bottom nozzle 10 and carry out welding connected mode is reinforced respectively.
As shown in Figure 4, specific occasion as simplified further, then can not be installed and simplifies screen work 8 and simplify fuel rod 9, become another embodiment of simplification simulated combustion assembly of the present invention.
In simplification, base is provided with the dowel hole identical with true fuel assembly with simplification bottom nozzle, and the upper base of simplification is provided with the operation planar identical with base on true fuel assembly.Therefore, simplification simulated fuel assembly of the present invention remains the upper and lower part interface of true fuel assembly.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. simplify a simulated fuel assembly, it is characterized in that, comprise and simplify upper base, simplification support frame and simplify bottom nozzle; Described simplification support frame is made up of upper junction plate, lower connecting plate, column and balancing weight; In described simplification, base, described upper junction plate, described column, described lower connecting plate are connected successively with described simplification bottom nozzle from top to bottom; Described balancing weight is connected on described column.
2. simplify simulated fuel assembly as claimed in claim 1, it is characterized in that, also comprise and simplify screen work and simplify fuel rod; Described simplification screen work is connected with described column; Described simplification fuel rod inserts described simplification screen work.
3. simplify simulated fuel assembly as claimed in claim 1, it is characterized in that, be made up of base, described simplification support frame and described simplification bottom nozzle in described simplification.
4. simplify simulated fuel assembly as claimed in claim 1, it is characterized in that, described column is all connected by welding manner with described upper junction plate and described lower connecting plate.
5. simplify simulated fuel assembly as claimed in claim 1, it is characterized in that, in described simplification, base is connected by screw or bolt with described upper junction plate and described lower connecting plate respectively with described simplification bottom nozzle; In described simplification, base, described simplification bottom nozzle, described upper junction plate and described lower connecting plate are provided with through hole or threaded hole so that screw or bolt pass; The surrounding of described upper junction plate and described lower connecting plate is carried out welding with base in described simplification and described simplification bottom nozzle respectively and is reinforced connected mode.
6. simplify simulated fuel assembly as claimed in claim 1, it is characterized in that, the quantity of described column is 4, and described column is square or rectangular steel pipe.
7. simplify simulated fuel assembly as claimed in claim 2, it is characterized in that, described simplification fuel rod is divided into upper and lower two sections, inserts respectively in described simplification screen work, and coordinates fixing with the screw in described simplification screen work by the screw thread of each section of tail end.
8. simplify simulated fuel assembly as claimed in claim 2, it is characterized in that, be made up of base, described simplification support frame, described simplification bottom nozzle, described simplification screen work and described simplification fuel rod in described simplification.
9. simplify simulated fuel assembly as claimed in claim 2, it is characterized in that, described simplification screen work is connected with described column by connecting gusset plate.
10. the simplification simulated fuel assembly as described in any one of claim 1 ~ 9, is characterized in that, described balancing weight and described column are 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 |
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| CN105355236A true CN105355236A (en) | 2016-02-24 |
| CN105355236B CN105355236B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510658750.2A Expired - Fee Related CN105355236B (en) | 2015-10-13 | 2015-10-13 | A kind of simplified simulated fuel assembly |
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Cited By (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 |
| CN106328225A (en) * | 2016-08-31 | 2017-01-11 | 上海核工程研究设计院 | Test element for testing vibration performance of pressurized water reactor fuel assembly and experiment method |
| 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 |
| CN109979614A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of AP1000 unit deformation fuel assembly structure for fuel handling training |
Citations (4)
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| 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)
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| 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 (2)
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| 姜胜耀等: "NHR-200燃料组件定位格架水力学模拟实验研究", 《清华大学学报(自然科学版)》 * |
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Cited By (5)
| 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 |
| CN106328225A (en) * | 2016-08-31 | 2017-01-11 | 上海核工程研究设计院 | Test element for testing vibration performance of pressurized water reactor fuel assembly and experiment method |
| CN109979614A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of AP1000 unit deformation fuel assembly structure for fuel handling training |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105355236B (en) | 2018-02-02 |
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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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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 |
Granted publication date: 20180202 Termination date: 20181013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |