CN208400510U - A kind of VVER irradiated fuel assembly storage lattice cell - Google Patents
A kind of VVER irradiated fuel assembly storage lattice cell Download PDFInfo
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- CN208400510U CN208400510U CN201820853090.2U CN201820853090U CN208400510U CN 208400510 U CN208400510 U CN 208400510U CN 201820853090 U CN201820853090 U CN 201820853090U CN 208400510 U CN208400510 U CN 208400510U
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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 belongs to field of material technology, and in particular to a kind of VVER irradiated fuel assembly storage lattice cell.Including n stainless steel boron aluminum composite plate, wherein n >=5, and n is integer, stainless steel boron aluminum composite plate cross section is trapezoidal, the side the n shape that stainless steel boron aluminum composite plate is spliced into of 360 °/n, and obtains PWR irradiated fuel assembly storage lattice cell using tooling is fixed；Stainless steel boron aluminum composite plate includes stainless steel insert, boron aluminium sheet, and two lateral section of stainless steel insert is trapezoidal, and angle is 360 °/n, stainless steel insert is " H " type stainless steel insert, upper and lower surface is fluted, and boron aluminium sheet is installed in grooves on two sides, and is connected by the through-hole of stainless steel insert.The cross section of stainless steel boron aluminum composite plate is that base angle is 60 ° trapezoidal, and " H " type stainless steel insert that skeleton is 60 °, descend two sides on stainless steel is boron aluminium sheet, ensure that the ability of its absorption neutron.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of VVER irradiated fuel assembly storage lattice cell.
Background technique
China's nuclear power station VVER unit irradiated fuel assembly Dry storage technology is not mature enough at present, spentnuclear fuel Dry storage
Main equipment not yet realizes production domesticization and autonomy-oriented, without suitable VVER irradiated fuel assembly Dry storage lattice cell.Therefore it needs out
It sends out a kind of and can be used for the storage lattice cell of Dry storage VVER unit irradiated fuel assembly, to realize that VVER irradiated fuel assembly dry method is store
It deposits.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of VVER irradiated fuel assemblies to store lattice cell, is used for VVER spentnuclear fuel
Component Dry storage, while guaranteeing that there is good rigidity and radiation shield performance.
In order to solve the above technical problems, a kind of VVER irradiated fuel assembly of the present invention stores lattice cell, including n stainless steel boron aluminium
Composite plate, wherein n >=5, and n are integer, and stainless steel boron aluminum composite plate cross section is the trapezoidal of 360 °/n, and stainless steel boron aluminium is compound
The side the n shape that plate is spliced into, and PWR irradiated fuel assembly storage lattice cell is obtained using tooling is fixed；Stainless steel boron aluminum composite plate includes
Stainless steel insert, boron aluminium sheet, two lateral section of stainless steel insert is trapezoidal, and angle is 360 °/n, stainless steel insert be " H " type not
Become rusty steel skeleton, and upper and lower surface is fluted, and boron aluminium sheet is installed in grooves on two sides, and is connected by the through-hole of stainless steel insert.
N is 6.
The medial surface of groove is parallel with stainless steel insert side.
The medial surface of groove and the width on stainless steel insert boundary are 2mm.
The depth of groove is 2mm.
Stainless steel insert is with a thickness of 8mm.
The beneficial technical effect of the present invention lies in: the cross section of stainless steel boron aluminum composite plate is trapezoidal, the bone that base angle is 60 °
" H " type stainless steel insert that frame is 60 °, descending two sides on stainless steel is boron aluminium sheet, ensure that its ability for absorbing neutron.No
It is provided with linked hole on rust steel plate, the connection for upper and lower boron aluminium sheet；Stainless steel insert is applicable to welding assembly, overcomes boron aluminium
The unweldable weakness of material.Manufactured lattice cell not only ensure that its rigidity but also can play good radiation shield performance.
Detailed description of the invention
Fig. 1 is stainless steel boron aluminum composite plate schematic diagram；
Fig. 2 is that a kind of VVER irradiated fuel assembly stores lattice cell schematic diagram；
In figure: 1-stainless steel insert 2-boron aluminium sheet
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
A kind of VVER irradiated fuel assembly of the present invention stores lattice cell, including n stainless steel boron aluminum composite plate, wherein n >=5, and n
For integer, stainless steel boron aluminum composite plate cross section is trapezoidal, the side the n shape that stainless steel boron aluminum composite plate is spliced into of 360 °/n, and
PWR irradiated fuel assembly storage lattice cell is obtained using tooling is fixed；Stainless steel boron aluminum composite plate includes stainless steel insert 1, boron aluminium sheet
2,1 liang of lateral section of stainless steel insert is trapezoidal, and angle is 360 °/n, and stainless steel insert 1 is " H " type stainless steel insert, up and down
Surface is fluted, and boron aluminium sheet 2 is installed in grooves on two sides, and is connected by the through-hole of stainless steel insert 1.
Preferably, 6 n.
Preferably, the medial surface of groove is parallel with 1 side of stainless steel insert.
Preferably, the medial surface of groove and the width on 1 boundary of stainless steel insert are 2mm.
Preferably, the depth of groove is 2mm.
Preferably, stainless steel insert 1 is with a thickness of 8mm.
A kind of VVER irradiated fuel assembly of the present invention stores lattice cell manufacturing method, comprising the following steps:
Step 1: as shown in Figure 1, boron aluminium powder to be placed in the upper and lower ends of manufactured stainless steel insert, group first
At interim composite plate；
Step 2: interim composite plate is sintered, boron aluminium powder is set to become boron aluminium alloy, and combine closely with skeleton；
Step 3: rolling to sintered composite plate, the bond strength of boron aluminium alloy layer and stainless steel insert is reinforced；
Step 4: eliminating the residual stress of composite plate by suitable annealing process, enhance its mechanical property；
Step 5: carrying out alignment processing to composite plate when necessary；
Step 6: carrying out welding junction preparation to obtained stainless steel boron aluminum composite plate；
Step 7: as shown in Fig. 2, being first that trapezoidal stainless steel boron aluminum composite plate is spliced into the positive side n by n cross section
Shape, and fixed using tooling；
Step 8: carrying out argon arc welding welding to the seam between stainless steel boron aluminum composite plate；
Step 9: carrying out reconditioning to face of weld and examining, it is ensured that weld seam is met the requirements；
Step 10: eliminating the residual stress of lattice cell by suitable annealing process, enhance its mechanical property；
Step 11: carrying out alignment processing to storage lattice cell when necessary.
Claims (6)
1. a kind of VVER irradiated fuel assembly stores lattice cell, it is characterised in that: including n stainless steel boron aluminum composite plate, wherein n >=5,
And n is integer, stainless steel boron aluminum composite plate cross section is trapezoidal, the side the n shape that stainless steel boron aluminum composite plate is spliced into of 360 °/n,
And PWR irradiated fuel assembly storage lattice cell is obtained using tooling is fixed；Stainless steel boron aluminum composite plate includes stainless steel insert (1), boron
Aluminium sheet (2), (1) two lateral section of stainless steel insert is trapezoidal, and angle is 360 °/n, and stainless steel insert (1) is " H " type stainless steel
Skeleton, upper and lower surface is fluted, and boron aluminium sheet (2) is installed in grooves on two sides, and is connected by the through-hole of stainless steel insert (1)
It connects.
2. a kind of VVER irradiated fuel assembly according to claim 1 stores lattice cell, it is characterised in that: n 6.
3. a kind of VVER irradiated fuel assembly according to claim 2 stores lattice cell, it is characterised in that: the medial surface of groove with
Stainless steel insert (1) side is parallel.
4. a kind of VVER irradiated fuel assembly according to claim 3 stores lattice cell, it is characterised in that: the medial surface of groove with
The width on stainless steel insert (1) boundary is 2mm.
5. a kind of VVER irradiated fuel assembly according to claim 4 stores lattice cell, it is characterised in that: the depth of groove is
2mm。
6. a kind of VVER irradiated fuel assembly according to claim 5 stores lattice cell, it is characterised in that: stainless steel insert (1)
With a thickness of 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853090.2U CN208400510U (en) | 2018-06-04 | 2018-06-04 | A kind of VVER irradiated fuel assembly storage lattice cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853090.2U CN208400510U (en) | 2018-06-04 | 2018-06-04 | A kind of VVER irradiated fuel assembly storage lattice cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400510U true CN208400510U (en) | 2019-01-18 |
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| CN201820853090.2U Active CN208400510U (en) | 2018-06-04 | 2018-06-04 | A kind of VVER irradiated fuel assembly storage lattice cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735315A (en) * | 2018-06-04 | 2018-11-02 | 江苏核电有限公司 | A kind of VVER irradiated fuel assemblies storage lattice cell and manufacturing method |
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2018
- 2018-06-04 CN CN201820853090.2U patent/CN208400510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735315A (en) * | 2018-06-04 | 2018-11-02 | 江苏核电有限公司 | A kind of VVER irradiated fuel assemblies storage lattice cell and manufacturing method |
| CN108735315B (en) * | 2018-06-04 | 2024-05-14 | 江苏核电有限公司 | VVER spent fuel assembly storage cell and manufacturing method |
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