CN107481777A - A kind of shielding construction of the nuclear fuel assembly container with heat sinking function - Google Patents
A kind of shielding construction of the nuclear fuel assembly container with heat sinking function Download PDFInfo
- Publication number
- CN107481777A CN107481777A CN201710549448.2A CN201710549448A CN107481777A CN 107481777 A CN107481777 A CN 107481777A CN 201710549448 A CN201710549448 A CN 201710549448A CN 107481777 A CN107481777 A CN 107481777A
- Authority
- CN
- China
- Prior art keywords
- nuclear fuel
- fuel assembly
- shielding
- container
- neutron
- 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.)
- Pending
Links
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 229920002323 Silicone foam Polymers 0.000 claims description 13
- 239000013514 silicone foam Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 5
- 239000000941 radioactive substance Substances 0.000 abstract description 3
- 230000032258 transport Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/10—Heat-removal systems, e.g. using circulating fluid or cooling fins
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
It is used for nuclear fuel assembly transport and/or shielding construction of the hold-up vessel with heat sinking function the present invention relates to a kind of, it is welded on container outer cylinder body outer periphery, including the neutron shielding material filled in the Multicarity cylindrical structure and cavity that are welded by upper and lower end board assembly, neutron shield layer shell and heat sink assembly, described heat sink assembly is steel copper composite plate, the heat-sinking capability of container can be strengthened, described neutron shielding material plays shielding neutron.The present invention, which solves the problems, such as to lack in the prior art, is specially adapted for nuclear fuel transport, nuclear fuel storage, the container shield structure that thermal diffusivity is good, shielding properties is high, and field is stored suitable for radioactive substance transport field and radioactive substance.
Description
Technical field
The present invention relates to hazardous materials transportation and hold-up vessel, and in particular to a kind of nuclear fuel assembly container is with radiating work(
The shielding construction of energy.
Background technology
Nuclear fuel is transporting and is needing to ensure nuclear fuel assembly safety in storage process, ensures that nuclear fuel decays inside container
Heat energy passes to external container, and fuel assembly involucrum will not be caused to overheat, ensure that container has enough shielding thicknesses again, no
Radiation hazradial bundle can be caused to the public, therefore just needs to consider to select suitable shielding construction in the design of shipping container, is ensured
The safety of nuclear fuel inside container.
State in realization during nuclear fuel transports safely and/or store, inventor has found at least to deposit in the prior art
In following problem：
Shortage is specially adapted for the container shielding construction that nuclear fuel assembly container, thermal diffusivity are good, shielding properties is high.
The content of the invention
For the deficiency in the presence of prior art, it is an object of the invention to provide a kind of nuclear fuel assembly to hold metal v-belt
There is the shielding construction of heat sinking function, mitigate the influence to nuclear fuel in shipping container in transportation, easily operation, ensure core combustion
The transportation safety of material.
Technical scheme is as follows：A kind of shielding construction of the nuclear fuel assembly container with heat sinking function, welding
In nuclear fuel assembly container outer cylinder body outer periphery, including by upper end board component, neutron shield layer shell, lower end board component, dissipate
The Multicarity cylindrical structure that backing components welding forms, neutron shielding material is filled in the cavity of cylindrical structure.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, described dissipates
Backing component includes some composite plates being welded to form by sheet metal and sheet copper, and sheet metal is risen outside support neutron shielding material layer
The effect of shell, sheet copper are used for the heat-sinking capability for strengthening container.
Further, circumferential array distribution of the described composite plate along nuclear fuel assembly container outer cylinder body, fires with core respectively
Expect the inner side welding of the outer wall and neutron shield layer shell of assembly container outer cylinder body.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, in described
Sub- screen layer shell is that the distribution welding of plurality of steel plates circumferential array is formed.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, in described
Sub- shielding material is filled in the space between upper end board component, neutron shield layer shell, lower end board component and heat sink assembly,
Circumferential shielding is provided for container.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, in described
Sub- shielding material is solid union material.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, tied in shielding
Structure is provided with safety valve, for discharging the pressure in cavity during being steeply risen in temperature.
Further, the safety valve shares two, is symmetricly set on the board component of upper end.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, in neutron screen
Cover and silicone foam I and fireproof silicone foam are provided between material and upper end board component.
Further, shielding construction of the nuclear fuel assembly container with heat sinking function as described above, wherein, in neutron screen
Cover and silicone foam II is provided between material and neutron shield layer shell.
Beneficial effects of the present invention are as follows：Shielding of the nuclear fuel assembly container with heat sinking function provided by the present invention
Structure, strengthens the heat-sinking capability of container by the fin being welded to form by sheet metal and sheet copper, and neutron shielding material is
Container provides circumferential neutron shield, and neutron shield layer shell can protect neutron shielding material under accident conditions, so as to solve
Lack in the prior art and be specially adapted for nuclear fuel transport, nuclear fuel storage, the container that thermal diffusivity is good, neutron shield performance is high
The problem of shielding construction, improve the security of nuclear fuel transport and storage.
Brief description of the drawings
Fig. 1 is shielding construction front view of nuclear fuel assembly of the embodiment of the present invention container with heat sinking function；
Fig. 2 is shielding construction half-section diagram of nuclear fuel assembly of the embodiment of the present invention container with heat sinking function；
Fig. 3 is the top view of circumferential shielding construction in the embodiment of the present invention；
Fig. 4 is the schematic cross-section of circumferential shielding construction in the embodiment of the present invention；
Fig. 5-Fig. 8 is respectively the partial view in Fig. 2-Fig. 4.
Wherein：1. the neutron screens of 2. 4. silicone foam I of neutron shield layer 3. lower end board component of shell of upper end board component 5.
Cover the fireproof silicone foam of 10. stressed collar of material 6. outer cylinder body, 7. rotating gravure, 8. safety valve, 9. heat sink assembly 11.
12. the sheet copper of 13. sheet metals of silicone foam II 14.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As Figure 1-Figure 4, shielding knot of a kind of nuclear fuel assembly container with heat sinking function provided by the present invention
Structure, supported the use with shipping container, be welded on the outer periphery of nuclear fuel assembly container outer cylinder body 6, including by upper end board component
1st, the circular cylindrical chamber structure that neutron shield layer shell 2, lower end board component 3 and some heat sink assemblies 9 are welded, in cavity
Fill neutron shielding material 5.Circumferential array distribution of the heat sink assembly 9 along nuclear fuel assembly container outer cylinder body 6, fires with core respectively
Expect the inner side welding of the outer wall and neutron shield layer shell 2 of assembly container outer cylinder body 6.Heat sink assembly use by sheet metal and
The composite plate that sheet copper is welded to form, sheet metal play a part of to support neutron shielding material layer shell, and sheet copper is used to strengthen and held
The heat-sinking capability of device.
As specific embodiment, 40 are arranged circumferentially in circular cylindrical chamber interior edge nuclear fuel assembly container outer cylinder body 6
Heat sink assembly 9 (as shown in Figure 4), described heat sink assembly 9 is steel-copper composite plate, by sheet metal 13 and sheet copper 14
Be welded to form (as shown in Figure 7), inside and outside it respectively with the outer wall of nuclear fuel assembly container outer cylinder body 6 and neutron shield layer shell
2 inner sides are welded, and 40 heat sink assemblies 9 are distributed in circumferential array.Wherein, sheet metal 13 can support neutron shield layer shell 2,
Neutron shielding material 5 can be protected under accident conditions, sheet copper 14 can strengthen dissipating for container using the characteristic of copper product
Heat energy power.
Described neutron shielding material 5 can as needed and actual conditions select various existing materials, the present embodiment
In using solid union material, be filled in by upper end board component 1, neutron shield layer shell 2, lower end board component 3 and radiating
In 40 chamber spaces that piece component 9 is formed, circumferential shielding is provided for container.
In the present embodiment, two safety valves 8 (as shown in Figure 3) are arranged with described upper end board component 1, to
Temperature discharges the pressure in chamber during steeply rising.The top of neutron shielding material 5 is provided with stressed collar 10, stressed collar 10 and core
Fuel assembly container outer cylinder body 6 is fixedly connected with (as shown in Figure 8) with upper end board component 1, in vessel level transportation
Axial restraint.
As shown in figure 5, silicone foam I4 and fire prevention silicon are provided between described neutron shielding material 5 and upper end board component 1
Ketone foam 11.Fireproof silicone foam 11 is arranged on the junction of upper end board component 1 and neutron shield layer shell 2, and upper head plate
The junction of component 1 and nuclear fuel assembly container outer cylinder body 6.In the present embodiment, fireproof silicone foam 11 is set two layers.Such as figure
Shown in 6, silicone foam II 12 is provided between described neutron shielding material 5 and neutron shield layer shell 2.In the present embodiment,
The bottom of described neutron shield layer shell 2 is symmetrically welded with two (see figure 1) of rotating gravure 7, for securing the container in
Overturn to horizontal level on means of transport and by container from upright position, or overturn from horizontal level to upright position.
The present invention both substantially increases container by welding steel-copper heat spreader component 9 in container outer cylinder body external circumferential
Heat-sinking capability, also enhance the stability of neutron shield layer shell 2；By filling neutron shield material in the chamber of welding formation
Material 5, enhance the circumferential screening ability of container.A kind of nuclear fuel assembly container provided in an embodiment of the present invention is with radiating work(
The shielding construction of energy can apply to radioactive substance transportation or storage process.
It should be noted that what above-mentioned specific embodiment was merely exemplary, under the above-mentioned teaching of the present invention, this area
Technical staff can carry out various improvement and deformation on the basis of above-described embodiment, and these are improved or deformation falls at this specially
In the protection domain of profit.It will be understood by those skilled in the art that specific descriptions above are intended merely to explain the purpose of the present invention,
It is not intended to limit the present invention.Protection scope of the present invention is limited by claim and its equivalent.
Claims (10)
1. a kind of shielding construction of the nuclear fuel assembly container with heat sinking function, is welded on nuclear fuel assembly container outer cylinder body
(6) outer periphery, it is characterised in that：Including by upper end board component (1), neutron shield layer shell (2), lower end board component (3), dissipate
The Multicarity cylindrical structure that backing component (9) is welded, neutron shielding material (5) is filled in the cavity of cylindrical structure.
2. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 1, it is characterised in that：It is described
Heat sink assembly (9) include some composite plates being welded to form by sheet metal (13) and sheet copper (14), sheet metal (13) rises
The effect of neutron shielding material layer shell (2) is supported, sheet copper (14) is used for the heat-sinking capability for strengthening container.
3. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 2, it is characterised in that：It is described
Composite plate along nuclear fuel assembly container outer cylinder body (6) circumferential array distribution, respectively with nuclear fuel assembly container outer cylinder body (6)
Outer wall and neutron shield layer shell (2) inner side welding.
4. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 1, it is characterised in that：It is described
Neutron shield layer shell (2) for plurality of steel plates circumferential array be distributed welding formed.
5. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 3, it is characterised in that：It is described
Neutron shielding material (5) be filled in upper end board component (1), neutron shield layer shell (2), lower end board component (3) and fin
In space between component (9), circumferential shielding is provided for container.
6. shielding construction of the nuclear fuel assembly container with heat sinking function as described in claim 1 or 5, it is characterised in that：
Described neutron shielding material (5) is solid union material.
7. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 1, it is characterised in that：Shielding
Shield structure is provided with safety valve (8), for discharging the pressure in cavity during being steeply risen in temperature.
8. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 6, it is characterised in that：It is described
Safety valve (8) shares two, is symmetricly set on upper end board component (1).
9. shielding construction of the nuclear fuel assembly container with heat sinking function as claimed in claim 1, it is characterised in that：In
Silicone foam I (4) and fireproof silicone foam (11) are provided between sub- shielding material (5) and upper end board component (1).
10. shielding construction of the nuclear fuel assembly container with heat sinking function as described in claim 1 or 8, it is characterised in that：
Silicone foam II (12) is provided between neutron shielding material (5) and neutron shield layer shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549448.2A CN107481777A (en) | 2017-07-07 | 2017-07-07 | A kind of shielding construction of the nuclear fuel assembly container with heat sinking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549448.2A CN107481777A (en) | 2017-07-07 | 2017-07-07 | A kind of shielding construction of the nuclear fuel assembly container with heat sinking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107481777A true CN107481777A (en) | 2017-12-15 |
Family
ID=60596141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710549448.2A Pending CN107481777A (en) | 2017-07-07 | 2017-07-07 | A kind of shielding construction of the nuclear fuel assembly container with heat sinking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107481777A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648842A (en) * | 2018-03-22 | 2018-10-12 | 中国核电工程有限公司 | A kind of nuclear fuel reprocessing plant's stock product cup |
| CN111446018A (en) * | 2020-04-09 | 2020-07-24 | 上海核工程研究设计院有限公司 | Nuclear fuel transport container shell with buffering heat absorption and moderating functions |
| CN112041941A (en) * | 2018-04-27 | 2020-12-04 | Tn国际公司 | Package for transport and/or storage of radioactive materials to make production easier and to improve thermal conductivity |
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|---|---|---|---|---|
| US5641970A (en) * | 1995-08-04 | 1997-06-24 | Kabushiki Kaisha Kobe Seiko Sho | Transport/storage cask for a radioactive material |
| JP2001235582A (en) * | 2000-02-23 | 2001-08-31 | Toshiba Corp | Cask for dry transport and storage of spent fuel, etc. |
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| CN106024085A (en) * | 2016-06-14 | 2016-10-12 | 中广核工程有限公司 | Transfer container for dry storage of nuclear power plant spent fuel |
| JP2017044666A (en) * | 2015-08-28 | 2017-03-02 | 株式会社オー・シー・エル | Method for manufacturing container for spent nuclear fuel |
| CN207367618U (en) * | 2017-07-07 | 2018-05-15 | 中国核电工程有限公司 | A kind of shielding construction of the nuclear fuel assembly container with heat sinking function |
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2017
- 2017-07-07 CN CN201710549448.2A patent/CN107481777A/en active Pending
Patent Citations (11)
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|---|---|---|---|---|
| US5641970A (en) * | 1995-08-04 | 1997-06-24 | Kabushiki Kaisha Kobe Seiko Sho | Transport/storage cask for a radioactive material |
| JP2001235582A (en) * | 2000-02-23 | 2001-08-31 | Toshiba Corp | Cask for dry transport and storage of spent fuel, etc. |
| JP2004156930A (en) * | 2002-11-01 | 2004-06-03 | Mitsubishi Heavy Ind Ltd | Canister for housing radioactive substance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648842A (en) * | 2018-03-22 | 2018-10-12 | 中国核电工程有限公司 | A kind of nuclear fuel reprocessing plant's stock product cup |
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| CN112041941A (en) * | 2018-04-27 | 2020-12-04 | Tn国际公司 | Package for transport and/or storage of radioactive materials to make production easier and to improve thermal conductivity |
| CN112041941B (en) * | 2018-04-27 | 2024-03-01 | Tn国际公司 | Packages for the transportation and/or storage of radioactive materials to facilitate production and to enhance thermal conductivity |
| CN111446018A (en) * | 2020-04-09 | 2020-07-24 | 上海核工程研究设计院有限公司 | Nuclear fuel transport container shell with buffering heat absorption and moderating functions |
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