CN215341976U - Neutron protection shielding structure - Google Patents
Neutron protection shielding structure Download PDFInfo
- Publication number
- CN215341976U CN215341976U CN202121396652.3U CN202121396652U CN215341976U CN 215341976 U CN215341976 U CN 215341976U CN 202121396652 U CN202121396652 U CN 202121396652U CN 215341976 U CN215341976 U CN 215341976U
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- filling
- plate
- bottom plate
- block body
- 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.)
- Expired - Fee Related
Links
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 51
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- -1 boron-lead-aluminum Chemical compound 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000017 hydrogel Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000004327 boric acid Substances 0.000 description 7
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
Images
Classifications
-
- 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
- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to the technical field of neutron protection, in particular to a neutron protection shielding structure, which comprises an aluminum alloy bottom plate and an aluminum alloy top plate, wherein a plurality of filling blocks are arranged on the aluminum alloy bottom plate and are spliced, at least more than two filling holes are formed in each filling block, and the filling holes are uniformly distributed at intervals; the aluminum alloy roof is arranged above the aluminum alloy bottom plate, the aluminum alloy roof faces towards one side of the aluminum alloy bottom plate, a plurality of embedding blocks are further arranged on one side of the aluminum alloy bottom plate, the embedding blocks are in one-to-one correspondence with the filling holes, and the embedding blocks can be inserted into the filling holes.
Description
Technical Field
The utility model relates to the technical field of neutron protection, in particular to a neutron protection shielding structure.
Background
Thermal neutrons, medium energy neutrons and fast neutrons are radiated in the spent fuel storage grillwork of the nuclear power plant. Generally, for medium-energy neutrons and fast neutrons, the neutrons need to be moderated into thermal neutrons so that the thermal neutrons can be absorbed by a shielding material, and the thermal neutron shielding material needs to have good thermal neutron absorption performance and mechanical performance.
In addition, in the use process, the boron polyethylene is sensitive to temperature, and the stability and the shielding effect of the structure of the boron polyethylene are influenced by high temperature, so that the shielding performance is poor in the long-term use process, and the normal protection avoidance cannot be met, so that the protection structure with good stability and good shielding effect is needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a neutron protection shielding structure which is used for achieving the technical effects of effective protection shielding and stable structure.
In order to achieve the purpose, the utility model provides the following technical scheme:
the aluminum alloy plate comprises an aluminum alloy bottom plate and an aluminum alloy top plate, wherein a plurality of filling blocks are arranged on the aluminum alloy bottom plate and are spliced, at least two filling holes are formed in each filling block, and the filling holes are uniformly distributed at intervals;
the aluminum alloy roof is arranged above the aluminum alloy bottom plate, the aluminum alloy roof faces towards one side of the aluminum alloy bottom plate, a plurality of embedding blocks are further arranged on one side of the aluminum alloy bottom plate, the embedding blocks are in one-to-one correspondence with the filling holes, and the embedding blocks can be inserted into the filling holes.
Furthermore, the filling block comprises a block body, a plurality of filling holes are formed in the block body, a groove is formed in one side of the block body, a connector is arranged on the other side of the block body, and the connector can be connected with the groove of the other block body.
Still further, the gap between the filling hole on the block body and the adjacent filling hole is 0.1-1.5 cm.
Still further, the gap between the filling hole on the block body and the adjacent filling hole is 0.5 cm.
Preferably, the aluminum alloy top plate is further provided with a connecting layer, and PVA/PEO hydrogel is arranged in the connecting layer.
Preferably, the top of the connecting layer is also provided with an alloy plate, and the alloy plate is made of lithium, boron, cadmium and compounds thereof.
Preferably, the bottom of the aluminum alloy bottom plate is further provided with a boron-lead-aluminum composite plate.
Preferably, the protective shielding structure further comprises a shell, and the boron-lead-aluminum composite plate, the aluminum alloy bottom plate, the aluminum alloy top plate, the connecting plate and the alloy plate which are arranged from bottom to top are all arranged in the shell.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the aluminum alloy bottom plate is arranged, the filling block is arranged on the aluminum alloy bottom plate, the filling block is provided with a plurality of filling holes, and the filling holes are filled with the protective materials, so that neutrons can be absorbed.
2. According to the utility model, the filling blocks are connected in a splicing manner, so that the protection effect is reduced along with the prolonging of the service cycle in the long-term use process, and the protection material is convenient to replace by the splicing arrangement.
3. The protective shielding structure provided by the utility model also comprises a connecting layer, an alloy plate and a boron-lead-aluminum composite plate, so that the protective layers of the protective structure are increased in level, and the protective absorption effect is better.
4. The utility model also provides a shell, and the boron-lead-aluminum composite plate, the aluminum alloy bottom plate, the aluminum alloy top plate, the connecting plate and the alloy plate are arranged in the shell, so that the structure is firmer.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a left side view of the present invention;
description of reference numerals:
100-aluminum alloy bottom plate, 110-filling block, 111-filling hole, 112-body, 113-groove, 114-connector, 200-aluminum alloy top plate, 210-embedded block, 300-connecting layer, 400-alloy plate, 500-boron lead-aluminum composite plate and 600-shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings of fig. 1 to 4;
the utility model provides a neutron protection shielding structure, which mainly comprises an aluminum alloy bottom plate 100 and an aluminum alloy top plate 200, wherein a plurality of filling blocks 110 are arranged on the aluminum alloy bottom plate 100, the filling blocks 110 are connected in a splicing mode, a plurality of filling holes 111 are formed in the filling blocks 110 and used for filling material paraffin-boric acid powder, the filled paraffin-boric acid powder is obtained by crushing an industrial paraffin solid plate into powder with the granularity of less than 2mm, then uniformly mixing the powder and boric acid powder, the weight percentages of the powder and the boric acid powder are that the paraffin is 90-94% and the boric acid is 6-10%, besides, the mixture of the paraffin and the boric acid is filled into a mold, a solid protection material with the bearing density of more than 0.94 g/cm & lt 3 & gt is pressed, and then the solid protection material is filled into the filling holes 111. The protection effect of the whole protection shielding structure is improved by filling the paraffin-boric acid powder in the filling hole 111, and the absorption efficiency of the protection material is enhanced.
In order to conveniently fill, therefore, a plurality of filling blocks 110 are arranged, each filling block 110 is provided with a plurality of filling holes 111, the structure of each filling block 110 mainly comprises a block body 112, the block body 112 is provided with the plurality of filling holes 111, one side of each filling block body 112 is provided with a groove 113, the other side of each filling block body is provided with a connector 114, the adjacent filling blocks 110 are spliced through the connectors 114 and the grooves 113, the plurality of filling blocks 110 are arranged through splitting, each filling block 110 is respectively filled, the filling speed is increased, the speed of the forming protective shielding structure is improved, the production efficiency is increased, besides, the protective material is used in the using process, the longer the service cycle is, the correspondingly decreased in the protective effect, and the design is convenient for later-stage replacement.
In order to improve the protection effect, a gap between the filling hole 111 and the filling hole 111 is further formed, the gap is 0.1-1.5cm, preferably 0.5cm, the filling area is larger and more uniform, and the purpose of improving the protection is achieved.
In order to make the structure of the device more complete, therefore, one side of the aluminum alloy top plate 200 close to the aluminum alloy bottom plate 100 is further provided with a plurality of embedding blocks 210 for blocking the filler in the filling holes 111 so as not to leak randomly, and the plurality of embedding blocks 210 are in one-to-one correspondence with the plurality of filling holes 111.
In order to improve the structure of the device and improve the effect of protective shielding, a connecting layer 300 is further arranged on the top of the aluminum alloy, and the connecting layer 300 is made of PVA/PEO hydrogel.
In addition, an alloy plate 400 is disposed on top of the connection layer 300, and the material of the alloy plate 400 is lithium, boron, cadmium or their compounds.
In addition, a boron-lead-aluminum composite plate 500 is further disposed at the bottom of the aluminum alloy base plate 100.
For the structural integrity, a shell 600 is further provided, and the boron-lead-aluminum composite plate 500, the aluminum alloy bottom plate 100, the aluminum alloy top plate 200, the connecting plate and the alloy plate 400 are all arranged in the shell 600.
This protective material protects the level many, protect absorbent effectual, wherein outermost alloy plate 400 is used for slowing down thermal neutron, then through articulamentum 300 with its son moderating and shielding, the material of filling hole 111 on the rethread aluminum alloy bottom plate 100 absorbs, aluminum alloy bottom plate 100 absorbs most neutrons, the last neutron that overflows in a small amount absorbs through boron lead aluminum composite board 500, thereby reach the absorbent purpose of multilayer protection, and then reach effective protective shield's effect.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A neutron protection shielding structure is characterized in that: the aluminum alloy plate comprises an aluminum alloy bottom plate and an aluminum alloy top plate, wherein a plurality of filling blocks are arranged on the aluminum alloy bottom plate and are spliced, at least two filling holes are formed in each filling block, and the filling holes are uniformly distributed at intervals;
the aluminum alloy roof is arranged above the aluminum alloy bottom plate, the aluminum alloy roof faces towards one side of the aluminum alloy bottom plate, a plurality of embedding blocks are further arranged on one side of the aluminum alloy bottom plate, the embedding blocks are in one-to-one correspondence with the filling holes, and the embedding blocks can be inserted into the filling holes.
2. The neutron protection shield structure of claim 1, wherein: the filling block comprises a block body, a plurality of filling holes are formed in the block body, a groove is formed in one side of the block body, a connector is arranged on the other side of the block body, and the connector can be connected with the groove of the other block body.
3. The neutron protection shield structure of claim 2, wherein: the gap between the filling hole on the block body and the adjacent filling hole is 0.1-1.5 cm.
4. The neutron protection shield structure of claim 3, wherein: the gap between the filling hole on the block body and the adjacent filling hole is 0.5 cm.
5. The neutron protection shield structure of any of claims 1 to 4, wherein: the aluminum alloy roof is also provided with a connecting layer, and PVA/PEO hydrogel is arranged in the connecting layer.
6. The neutron protection shield structure of claim 5, wherein: and an alloy plate is arranged at the top of the connecting layer and is made of lithium, boron, cadmium and compounds thereof.
7. The neutron protection shield structure of claim 6, wherein: and a boron-lead-aluminum composite plate is also arranged at the bottom of the aluminum alloy bottom plate.
8. The neutron protection shield structure of claim 7, wherein: the protective shielding structure further comprises a shell, and the boron-lead-aluminum composite plate, the aluminum alloy bottom plate, the aluminum alloy top plate, the connecting plate and the alloy plate which are arranged from bottom to top are all arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396652.3U CN215341976U (en) | 2021-06-22 | 2021-06-22 | Neutron protection shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396652.3U CN215341976U (en) | 2021-06-22 | 2021-06-22 | Neutron protection shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215341976U true CN215341976U (en) | 2021-12-28 |
Family
ID=79560478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121396652.3U Expired - Fee Related CN215341976U (en) | 2021-06-22 | 2021-06-22 | Neutron protection shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215341976U (en) |
-
2021
- 2021-06-22 CN CN202121396652.3U patent/CN215341976U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205900626U (en) | Novel battery pack | |
| CN205992441U (en) | A kind of have fire-retardant and heat sinking function cable | |
| CN215341976U (en) | Neutron protection shielding structure | |
| CN104466058B (en) | For solving the battery container of lithium cell heat radiation and safety | |
| CN203481295U (en) | Novel battery module | |
| CN204289567U (en) | Battery compound module and power brick | |
| CN205158966U (en) | Cable with fire -retardant waterproof heat dissipation function | |
| CN210576033U (en) | Cylindrical battery | |
| CN204558093U (en) | A kind of used in nuclear power station flame-retardant radiation resistance cable | |
| CN107579174A (en) | Overlength cycle life high-energy-density Soft Roll polymer power battery | |
| CN205318918U (en) | Nuclear power cable | |
| CN210073423U (en) | High-flame-retardant aging-resistant special photovoltaic cable | |
| CN208570711U (en) | A kind of fire-retardant cabinet of battery modules | |
| CN207704934U (en) | Flame retardant type optical fiber low-voltage composite cable | |
| CN207010580U (en) | A kind of nuke rubbish TRT using thermal generator | |
| CN202888330U (en) | Cylindrical lithium battery pack | |
| CN206877715U (en) | 1E level K3 used in nuclear power station A level flame-retardant fire-resistant power cables | |
| CN221176311U (en) | Core package structure and battery | |
| CN216624303U (en) | Array solar cell base subassembly based on 3D printing technique | |
| CN113496791A (en) | Safe and environment-friendly low-voltage power control composite cable | |
| CN215988172U (en) | Halogen-free flame-retardant radiation-resistant solar photovoltaic cable | |
| CN214588119U (en) | Dampproofing cable that blocks water that interior external surface smoothness crushing resistance is good | |
| CN218729939U (en) | Plastic insulating flame-retardant anti-interference control cable | |
| CN204289571U (en) | For solving lithium cell heat radiation and safe battery container | |
| CN107123473A (en) | A grades of flame-retardant fire-resistant power cables of 1E grades of K3 used in nuclear power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |