CN108735316B - Stainless steel boron aluminum composite board for storage cells of VVER fuel assembly and manufacturing method - Google Patents
Stainless steel boron aluminum composite board for storage cells of VVER fuel assembly and manufacturing method Download PDFInfo
- Publication number
- CN108735316B CN108735316B CN201810562563.8A CN201810562563A CN108735316B CN 108735316 B CN108735316 B CN 108735316B CN 201810562563 A CN201810562563 A CN 201810562563A CN 108735316 B CN108735316 B CN 108735316B
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- boron aluminum
- composite board
- framework
- fuel assembly
- 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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Links
- 239000010935 stainless steel Substances 0.000 title claims abstract description 73
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 73
- FGUJWQZQKHUJMW-UHFFFAOYSA-N [AlH3].[B] Chemical compound [AlH3].[B] FGUJWQZQKHUJMW-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 210000000352 storage cell Anatomy 0.000 title claims abstract description 21
- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000002915 spent fuel radioactive waste Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/06—Magazines for holding fuel elements or control elements
- G21C19/07—Storage racks; Storage pools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field of materials, and particularly relates to a stainless steel boron aluminum composite board of a VVER fuel assembly storage cell and a manufacturing method thereof. The cross section of the stainless steel boron aluminum composite board is a trapezoid with the angle of 360 degrees/n, wherein n is more than or equal to 5, and n is an integer; the stainless steel boron aluminum composite board comprises a stainless steel framework and boron aluminum plates, wherein the sections of two sides of the stainless steel framework are trapezoid, the included angle is 360 degrees/n, grooves are formed in the upper surface and the lower surface of the stainless steel framework, and the boron aluminum plates are arranged in the grooves on the two sides and are connected through holes of the stainless steel framework. The cross section of the composite board is trapezoid with a base angle of 60 degrees, and the framework is an H-shaped stainless steel framework with the base angle of 60 degrees, so that the rigidity of the composite board is ensured; the upper and lower surfaces of the stainless steel are both made of boron aluminum plates, so that the neutron absorption capacity of the stainless steel is ensured. The stainless steel plate is provided with a communication hole for connecting the upper boron aluminum plate and the lower boron aluminum plate; the stainless steel skeleton can be suitable for welding and assembling, and the defect that the boron aluminum material cannot be welded is overcome.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a stainless steel boron aluminum composite board of a VVER fuel assembly storage cell and a manufacturing method thereof.
Background
At present, the dry storage technology of the spent fuel assembly of the VVER unit of the nuclear power station in China is not mature enough, the main equipment for storing the spent fuel by the dry method is not realized for localization and autonomy, and no suitable neutron absorption and structural support plate for manufacturing the dry storage cells of the spent fuel assembly of the VVER unit is available. Therefore, it is needed to develop a plate material for manufacturing the dry storage cell of the spent fuel assembly of the VVER type unit, so as to manufacture a suitable dry storage cell of the spent fuel assembly of the VVER type unit and realize dry storage of the spent fuel assembly of the VVER type unit.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a stainless steel boron aluminum composite board for a VVER fuel assembly storage cell and a manufacturing method thereof, which can be used for manufacturing the VVER spent fuel assembly dry storage cell and has both rigidity and neutron absorption performance.
In order to solve the technical problems, the stainless steel boron aluminum composite board of the VVER fuel assembly storage cell has a trapezoid cross section of 360 degrees/n, wherein n is more than or equal to 5, and n is an integer; the stainless steel boron aluminum composite board comprises a stainless steel framework and boron aluminum plates, wherein the sections of two sides of the stainless steel framework are trapezoid, the included angle is 360 degrees/n, the stainless steel framework is an H-shaped stainless steel framework, grooves are formed in the upper surface and the lower surface of the stainless steel framework, and the boron aluminum plates are arranged in the grooves of the two sides and connected through holes of the stainless steel framework.
n is 6.
The inner side surface of the groove is parallel to the side surface of the stainless steel framework.
The width of the boundary between the inner side surface of the groove and the stainless steel framework is 2mm.
The depth of the groove was 2mm.
The thickness of the stainless steel skeleton is 8mm.
The manufacturing method of the stainless steel boron aluminum composite board of the VVER fuel assembly storage cell comprises the following steps:
firstly, placing boron aluminum powder at the upper end and the lower end of a processed stainless steel skeleton to form a temporary composite board;
sintering the temporary composite board to change the boron aluminum powder into boron aluminum alloy and tightly combining the boron aluminum alloy with the framework;
step three, rolling the sintered composite board, and reinforcing the bonding strength of the boron aluminum alloy layer and the stainless steel skeleton;
step four, eliminating residual stress of the composite board and enhancing mechanical properties of the composite board;
and fifthly, straightening the composite board.
And in the fourth step, the residual stress of the composite board is eliminated through an annealing process.
The beneficial technical effects of the invention are as follows: the cross section of the composite board is trapezoid with a base angle of 60 degrees, and the framework is an H-shaped stainless steel framework with the base angle of 60 degrees, so that the rigidity of the composite board is ensured; the upper and lower surfaces of the stainless steel are both made of boron aluminum plates, so that the neutron absorption capacity of the stainless steel is ensured. The stainless steel plate is provided with a communication hole for connecting the upper boron aluminum plate and the lower boron aluminum plate; the stainless steel skeleton can be suitable for welding and assembling, and the defect that the boron aluminum material cannot be welded is overcome.
Drawings
FIG. 1 is a schematic view of a stainless steel boron aluminum composite panel;
in the figure: 1-stainless steel skeleton 2-boron aluminum plate
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The invention relates to a stainless steel boron aluminum composite board of a VVER fuel assembly storage cell, the cross section of the stainless steel boron aluminum composite board is a trapezoid with the angle of 360 degrees/n, wherein n is more than or equal to 5, n is an integer, the stainless steel boron aluminum composite board comprises a stainless steel framework 1 and a boron aluminum plate 2, the cross section of two sides of the stainless steel framework 1 is a trapezoid, the included angle is 360 degrees/n, the stainless steel framework 1 is an H-shaped stainless steel framework, grooves are formed in the upper surface and the lower surface, and the boron aluminum plate 2 is arranged in the grooves of the two sides and connected through holes of the stainless steel framework 1.
Preferably, n is 6.
Preferably, the inner side surface of the groove is parallel to the side surface of the stainless steel framework 1.
Preferably, the width of the boundary between the inner side surface of the groove and the stainless steel skeleton 1 is 2mm.
Preferably, the depth of the groove is 2mm.
Preferably, the stainless steel skeleton 1 has a thickness of 8mm.
The invention discloses a manufacturing method of a stainless steel boron aluminum composite board of a VVER fuel assembly storage cell, which comprises the following steps:
firstly, as shown in figure 1, boron aluminum powder is firstly placed at the upper end and the lower end of a processed stainless steel framework to form a temporary composite board;
sintering the temporary composite board to change the boron aluminum powder into boron aluminum alloy and tightly combining the boron aluminum alloy with the framework;
step three, rolling the sintered composite board, and reinforcing the bonding strength of the boron aluminum alloy layer and the stainless steel skeleton;
step four, eliminating residual stress of the composite board through a proper annealing process, and enhancing mechanical properties of the composite board;
and fifthly, straightening the composite board if necessary.
Claims (8)
1. A stainless steel boron aluminum composite panel for a VVER fuel assembly storage cell, characterized in that: the cross section of the stainless steel boron aluminum composite board is a trapezoid with the angle of 360 degrees/n, wherein n is more than or equal to 5, and n is an integer; the stainless steel boron aluminum composite board comprises a stainless steel framework (1) and a boron aluminum plate (2), wherein the sections of the two sides of the stainless steel framework (1) are trapezoidal, the included angle is 360 degrees/n, the stainless steel framework (1) is an H-shaped stainless steel framework, the upper surface and the lower surface of the stainless steel framework are both provided with grooves, the boron aluminum plate (2) is arranged in the grooves on the two sides and connected through the through holes of the stainless steel framework (1),
the forming method of the boron aluminum plate (2) comprises the following steps: firstly, placing boron aluminum powder at the upper end and the lower end of a processed stainless steel skeleton to form a temporary composite board; sintering the temporary composite board to change the boron aluminum powder into boron aluminum alloy and tightly combining the boron aluminum alloy with the framework.
2. The stainless steel boron aluminum composite panel of a VVER fuel assembly storage cell of claim 1, wherein: n is 6.
3. The stainless steel boron aluminum composite panel of a VVER fuel assembly storage cell of claim 2, wherein: the inner side surface of the groove is parallel to the side surface of the stainless steel framework (1).
4. A stainless steel boron aluminum composite panel for a VVER fuel assembly storage cell as defined in claim 3, wherein: the width of the boundary between the inner side surface of the groove and the stainless steel framework (1) is 2mm.
5. The stainless steel boron aluminum composite panel of a VVER fuel assembly storage cell of claim 4, wherein: the depth of the groove was 2mm.
6. The stainless steel boron aluminum composite panel of a VVER fuel assembly storage cell of claim 5, wherein: the thickness of the stainless steel framework (1) is 8mm.
7. The invention discloses a manufacturing method of a stainless steel boron aluminum composite board of a VVER fuel assembly storage cell, which is characterized by comprising the following steps: the method specifically comprises the following steps:
firstly, placing boron aluminum powder at the upper end and the lower end of a processed stainless steel skeleton to form a temporary composite board;
sintering the temporary composite board to change the boron aluminum powder into boron aluminum alloy and tightly combining the boron aluminum alloy with the framework;
step three, rolling the sintered composite board, and reinforcing the bonding strength of the boron aluminum alloy layer and the stainless steel skeleton;
step four, eliminating residual stress of the composite board and enhancing mechanical properties of the composite board;
and fifthly, straightening the composite board.
8. The method for manufacturing the stainless steel boron aluminum composite panel of the VVER fuel assembly storage cell of claim 7, wherein: and in the fourth step, the residual stress of the composite board is eliminated through an annealing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562563.8A CN108735316B (en) | 2018-06-04 | 2018-06-04 | Stainless steel boron aluminum composite board for storage cells of VVER fuel assembly and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562563.8A CN108735316B (en) | 2018-06-04 | 2018-06-04 | Stainless steel boron aluminum composite board for storage cells of VVER fuel assembly and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108735316A CN108735316A (en) | 2018-11-02 |
| CN108735316B true CN108735316B (en) | 2024-02-09 |
Family
ID=63931726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810562563.8A Active CN108735316B (en) | 2018-06-04 | 2018-06-04 | Stainless steel boron aluminum composite board for storage cells of VVER fuel assembly and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108735316B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB877370A (en) * | 1959-01-09 | 1961-09-13 | Babcock & Wilcox Co | Improvements relating to a method of manufacturing plates having high neutron capture cross-section characteristics and improvements in nuclear reactor control rods including such plates |
| FR2231764A1 (en) * | 1973-05-30 | 1974-12-27 | Cerca | Boron-contg. laminates for neutron absorption - mfd. by sandwiching boron-aluminium (alloy) sinter between steel sheets |
| GB9508889D0 (en) * | 1994-05-03 | 1995-06-21 | Skoda Jadernu Strojirenstvi Pl | Nuclear fuel storage and transport cask internal structure |
| JPH09236690A (en) * | 1996-02-29 | 1997-09-09 | Hitachi Ltd | Spent fuel storage rack |
| JP2006053014A (en) * | 2004-08-11 | 2006-02-23 | Hitachi Ltd | Fuel storage rack, filler rod for forming it, member for jointing it and method for manufacturing it |
| JP2010025701A (en) * | 2008-07-17 | 2010-02-04 | Toshiba Corp | Spent fuel storage rack and method for manufacturing it |
| CN102339653A (en) * | 2011-05-11 | 2012-02-01 | 中广核工程有限公司 | Spent fuel storage grillwork |
| JP2012058155A (en) * | 2010-09-10 | 2012-03-22 | Toshiba Corp | Used fuel storage rack |
| JP2014089166A (en) * | 2012-10-31 | 2014-05-15 | Nippon Light Metal Co Ltd | Neutron absorber and manufacturing method of the same |
| CN205451794U (en) * | 2015-12-30 | 2016-08-10 | 江苏核电有限公司 | Double -deck measurement system of fuel assembly deflection |
| CN105931687A (en) * | 2016-06-14 | 2016-09-07 | 中国核电工程有限公司 | Spent fuel storage cell |
| CN206367967U (en) * | 2017-01-09 | 2017-08-01 | 浙江康展新型建材有限公司 | A kind of elevator cab composite plate |
| CN107227454A (en) * | 2017-05-18 | 2017-10-03 | 江苏广川线缆股份有限公司 | A kind of Antiradiation composite |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2447855B (en) * | 2006-01-30 | 2011-09-21 | Komatsu Mfg Co Ltd | Process for producing a ferrous sintered multilayer roll-formed bushing |
-
2018
- 2018-06-04 CN CN201810562563.8A patent/CN108735316B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB877370A (en) * | 1959-01-09 | 1961-09-13 | Babcock & Wilcox Co | Improvements relating to a method of manufacturing plates having high neutron capture cross-section characteristics and improvements in nuclear reactor control rods including such plates |
| FR2231764A1 (en) * | 1973-05-30 | 1974-12-27 | Cerca | Boron-contg. laminates for neutron absorption - mfd. by sandwiching boron-aluminium (alloy) sinter between steel sheets |
| GB9508889D0 (en) * | 1994-05-03 | 1995-06-21 | Skoda Jadernu Strojirenstvi Pl | Nuclear fuel storage and transport cask internal structure |
| JPH09236690A (en) * | 1996-02-29 | 1997-09-09 | Hitachi Ltd | Spent fuel storage rack |
| JP2006053014A (en) * | 2004-08-11 | 2006-02-23 | Hitachi Ltd | Fuel storage rack, filler rod for forming it, member for jointing it and method for manufacturing it |
| JP2010025701A (en) * | 2008-07-17 | 2010-02-04 | Toshiba Corp | Spent fuel storage rack and method for manufacturing it |
| JP2012058155A (en) * | 2010-09-10 | 2012-03-22 | Toshiba Corp | Used fuel storage rack |
| CN102339653A (en) * | 2011-05-11 | 2012-02-01 | 中广核工程有限公司 | Spent fuel storage grillwork |
| JP2014089166A (en) * | 2012-10-31 | 2014-05-15 | Nippon Light Metal Co Ltd | Neutron absorber and manufacturing method of the same |
| CN205451794U (en) * | 2015-12-30 | 2016-08-10 | 江苏核电有限公司 | Double -deck measurement system of fuel assembly deflection |
| CN105931687A (en) * | 2016-06-14 | 2016-09-07 | 中国核电工程有限公司 | Spent fuel storage cell |
| CN206367967U (en) * | 2017-01-09 | 2017-08-01 | 浙江康展新型建材有限公司 | A kind of elevator cab composite plate |
| CN107227454A (en) * | 2017-05-18 | 2017-10-03 | 江苏广川线缆股份有限公司 | A kind of Antiradiation composite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108735316A (en) | 2018-11-02 |
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