CN112466498A - Device with heat preservation and neutron, gamma ionizing radiation protection - Google Patents
Device with heat preservation and neutron, gamma ionizing radiation protection Download PDFInfo
- Publication number
- CN112466498A CN112466498A CN201910857747.1A CN201910857747A CN112466498A CN 112466498 A CN112466498 A CN 112466498A CN 201910857747 A CN201910857747 A CN 201910857747A CN 112466498 A CN112466498 A CN 112466498A
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- Prior art keywords
- arc
- heat
- radiation shielding
- protection
- preservation
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Classifications
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- 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
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Insulation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention provides a device with heat preservation and neutron and gamma ionizing radiation protection functions, which comprises a first protection box and a second protection box, wherein the first protection box and the second protection box enclose an accommodating space; the second protection box comprises a second heat insulation reflection part and a second radiation shielding part, the second heat insulation reflection part is provided with a plurality of second arc-shaped grooves along the axial direction, and the second radiation shielding part is embedded into the second arc-shaped grooves; the first heat-preservation reflection portion and the second heat-preservation reflection portion are both made of metal materials with heat-preservation reflection functions, and the first radiation shielding portion and the second radiation shielding portion are both made of materials with radiation shielding functions. The device with heat preservation and neutron, gamma ionizing radiation protection of this application, compact structure, easy dismounting, it is good to keep warm and shield, is difficult for accumulating the dust and convenient the washing.
Description
Technical Field
The invention relates to the technical field of ionizing radiation protection, in particular to a device with heat preservation and neutron and gamma ionizing radiation protection functions.
Background
Ionization refers to the process of releasing one or more electrons from an atom, molecule, or other bound state, which is caused by the collision of a microscopic particle with electrons in the atom with sufficient kinetic energy. With the continuous development of national defense scientific research, radioactive medicine and nuclear technology application, ionizing radiation is widely applied to many fields of modern science and technology, people can not receive the harm of radiation while enjoying the great benefit obtained thereby, and people who often contact radioactive rays can have the symptoms of skin burn, hair loss, eye pain, leukopenia and even myeloma. For pipelines of a nuclear power plant, the protection of neutron and gamma ionizing radiation is realized, and the heat preservation effect is also realized. At present, heat preservation and radiation shielding materials are often applied to the outer layer of a pipeline respectively, a heat preservation pad is generally made of aluminum silicate, glass fiber and the like through filling, the heat preservation pad serves as a heat preservation layer, a bare lead sheet is used for shielding, the lead material is toxic and easy to migrate, the health of workers is harmed, and meanwhile the shielding layer is easy to accumulate dust and is inconvenient to clean.
Therefore, there is a need to provide a device with thermal insulation and protection against neutron and gamma ionizing radiation to solve the existing problems.
Disclosure of Invention
The invention aims to provide a device with heat preservation and neutron and gamma ionizing radiation protection functions, which has the advantages of compact structure, convenience in disassembly and assembly, good heat preservation and shielding, difficulty in dust accumulation and convenience in cleaning.
In order to achieve the above purpose, the present invention provides a device with thermal insulation and neutron and gamma ionizing radiation protection, which includes a first protection box and a second protection box connected to the first protection box, wherein the first protection box and the second protection box enclose an accommodation space, the first protection box includes a first thermal insulation reflection portion and a first radiation shielding portion, the first thermal insulation reflection portion is provided with a plurality of first arc-shaped grooves along an axial direction, and the first radiation shielding portion is embedded into the first arc-shaped grooves; the second protection box comprises a second heat insulation reflection part and a second radiation shielding part, wherein the second heat insulation reflection part is provided with a plurality of second arc-shaped grooves along the axial direction, and the second radiation shielding part is embedded into the second arc-shaped grooves; the first heat-preservation reflection portion and the second heat-preservation reflection portion are made of metal materials with heat-preservation reflection functions, and the first radiation shielding portion and the second radiation shielding portion are made of materials with radiation shielding functions.
Compared with the prior art, the device with heat preservation and neutron, gamma ionizing radiation protection of this application is including the first protection box and the second protection box that are connected, and first protection box and second protection box can enclose into the accommodation space who places the pipeline, consequently, its compact structure, easy dismounting. Simultaneously, first heat preservation reflection part and second heat preservation reflection part all adopt the metal material preparation that has the reflection function that keeps warm, a plurality of first arc walls are seted up along the axial to first heat preservation reflection part, a plurality of second arc walls are seted up along the axial to second heat preservation reflection part, be favorable to improving the device's thermal insulation performance, and first radiation shielding portion and second radiation shielding portion all adopt the material preparation that has the radiation shielding function, in first radiation shielding portion embedding second arc wall, in second radiation shielding portion embedding second arc wall, can be favorable to improving the device's shielding effect.
Preferably, the first heat-preservation reflecting portion and the second heat-preservation reflecting portion are both made of stainless steel materials, so that the outer surfaces of the first heat-preservation reflecting portion and the second heat-preservation reflecting portion are smooth and easy to clean, and the dust-accumulation-free heat-preservation reflecting device has the advantages of being not prone to dust accumulation and convenient to clean.
Preferably, the first radiation shielding part and the second radiation shielding part are made of any one of lead rubber, lead skin, tungsten-containing rubber and tungsten/lead-containing high polymer materials.
Preferably, the outer surface of the first heat-preservation reflecting portion is coated with a first flexible shielding layer, the outer surface of the second heat-preservation reflecting portion is coated with a second flexible shielding layer, and the first flexible shielding layer and the second flexible shielding layer both comprise an inner layer prepared from silicon rubber containing lead powder and an outer layer prepared from silicon rubber.
Preferably, the first protection box and the second protection box are connected in a tongue-and-groove structure, so that ray beam leakage at the interface is avoided.
Preferably, one of the first protection box and the second protection box has a connection end configured to include a first convex portion and a first concave portion, and the other of the first protection box and the second protection box has a connection end configured to include a second convex portion and a second concave portion.
Preferably, the first heat-preserving reflection part comprises a plurality of first metal layers with arc structures and a first connection part connected with the first metal layers, and the two adjacent first metal layers are arranged at intervals to form the first arc-shaped groove; the second heat-preservation reflecting part comprises a plurality of second metal layers with arc structures and second connecting parts connected with the second metal layers, and the second metal layers are arranged at intervals to form second arc-shaped grooves.
Preferably, the first metal layer lattice positioned at one side of the arc center of the first radiation shielding part is provided with a plurality of first through grooves; the second metal layer lattice positioned on one side of the arc center of the second radiation shielding part is provided with a plurality of second through grooves.
Preferably, the first metal layer and the first connecting part are connected by adopting a spot welding structure; the second metal layer is connected with the second connecting part through a spot welding structure, so that the reflectivity can be increased, and the heat preservation effect is improved.
Preferably, two adjacent first metal layers of the first radiation shielding part embedded in the first arc-shaped groove are thickened; and two adjacent second metal layers of the second radiation shielding part embedded in the second arc-shaped groove are thickened.
Drawings
FIG. 1 is a schematic structural diagram of the device with thermal insulation and neutron and gamma ionizing radiation protection of the present invention.
FIG. 2 is a top view of the apparatus of FIG. 1 with thermal insulation and protection from neutron and gamma ionizing radiation.
Fig. 3 is a schematic structural view of the first protection box shown in fig. 1.
Fig. 4 is a schematic structural view of the second protection box shown in fig. 1.
Description of the labeling:
100 has the device that keeps warm and neutron, gamma ionizing radiation protect, 10 first protection boxes, 11 first heat preservation reflection part, 111 first arc wall, 113 first metal layer, 115 first connecting portion, 13 first radiation shield, 16 first convex part, 17 first concave part, 18 second convex part, 19 second concave part, 20 accommodation space, 30 second protection boxes, 31 second heat preservation reflection part, 311 second arc wall, 313 second metal layer, 315 second connecting portion, 317 second runs through the groove, 33 second radiation shield.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.
Referring to fig. 1-2, the apparatus 100 with thermal insulation and neutron and gamma ionizing radiation protection of the present application includes a first protective box 10 and a second protective box 30 connected to the first protective box 10, wherein the first protective box 10 and the second protective box 30 enclose a containing space 20. In this embodiment, the first protection box 10 and the second protection box 30 have the same structure, but the invention is not limited thereto. The first protective box 10 and the second protective box 30 may have a semi-cylindrical structure, and the receiving space 20 is formed in a cylindrical shape, which is very suitable for placing a pipeline. The first protection box 10 comprises a first heat-preservation reflection part 11 and a first radiation shielding part 13, wherein the first heat-preservation reflection part 11 is provided with a plurality of first arc-shaped grooves 111 along the axial direction, and the first radiation shielding part 13 is embedded into the first arc-shaped grooves 111; the second protection box 30 comprises a second heat-preservation reflection part 31 and a second radiation shielding part 33, the second heat-preservation reflection part 31 is provided with a plurality of second arc-shaped grooves 311 along the axial direction, and the second radiation shielding part 33 is embedded in the second arc-shaped grooves 311; the first heat-preserving reflection portion 11 and the second heat-preserving reflection portion 31 are both made of metal materials with heat-preserving reflection functions, and the first radiation shielding portion 13 and the second radiation shielding portion 33 are both made of materials with radiation shielding functions. In the present embodiment, the first heat-preserving reflective portion 11 and the second heat-preserving reflective portion 31 are both made of stainless steel, but not limited thereto. Because first heat preservation reflection part 11 and second heat preservation reflection part 31 all adopt stainless steel material to prepare, so, first heat preservation reflection part 11 and second heat preservation reflection part 31's the surface is smooth easily to clean to have the difficult advantage of accumulating the dust and convenient abluent, can also avoid producing the corruption to the pipeline that is wrapped. Further, the first radiation shielding part 13 and the second radiation shielding part 33 are made of any one of lead rubber, lead skin, tungsten-containing rubber and tungsten/lead-containing polymer materials, in this embodiment, the first radiation shielding part 13 and the second radiation shielding part 33 are respectively embedded in only one first arc-shaped groove 111 and one second arc-shaped groove 311, but not limited thereto, and the number of the first radiation shielding part 13 and the second radiation shielding part 33 can be embedded in the first arc-shaped groove 111 and the second arc-shaped groove 311 as required. The first radiation shield 13 and the second radiation shield 33 are respectively embedded in the first arc-shaped groove 111 and the second arc-shaped groove 311, and therefore, the body of the operator is not affected. Specifically, the widths of the first arc-shaped groove 111 and the second arc-shaped groove 311 are both 6mm, and the number and the widths of the first arc-shaped groove 111 and the second arc-shaped groove 311 can be designed according to the heat preservation requirement and the shielding requirement, and are not limited herein.
Further, the outer surface of the first heat-preservation reflecting portion 11 is coated with a first flexible shielding layer, the outer surface of the second heat-preservation reflecting portion 31 is coated with a second flexible shielding layer, and the first flexible shielding layer and the second flexible shielding layer respectively comprise an inner layer prepared from silicon rubber containing lead powder and an outer layer prepared from silicon rubber. The first flexible shielding layer and the second flexible shielding layer are utilized to further improve the radiation protection of the device to neutron and gamma ionization. The outer layer is prepared from silicon rubber and has excellent mechanical properties, and the inner layer provides radiation shielding performance through a functional layer of lead powder composite silicon rubber.
Referring to fig. 3-4, the first protective box 10 and the second protective box 30 are connected in a tongue-and-groove structure, and the first protective box 10 and the second protective box 30 are in a tongue-and-groove structure at the interface, so that ray beam leakage at the interface is avoided. In the present embodiment, a connection end of one of the first and second shield boxes 10 and 30 is provided in a bezel structure including a first convex portion 16 and a first concave portion 17, and the other connection end of the first and second shield boxes 10 and 30 is provided in a bezel structure including a second convex portion 18 and a second concave portion 19, and the bezel structure is formed by cooperation of the first convex portion 16 of the first shield box 10 and the first concave portion 17 of the second shield box 30, the second convex portion 18 of the first shield box 10 and the second concave portion 19 of the second shield box 30, and the first concave portion 17 of the first shield box 10 and the first convex portion 16 of the second shield box 30, and the second concave portion 19 of the first shield box 10 and the second convex portion 18 of the second shield box 30.
With reference to fig. 3-4, the first heat-preserving reflective portion 11 includes a plurality of first metal layers 113 with arc structures and first connecting portions 115 connected to the first metal layers 113, and two adjacent first metal layers 113 are disposed at intervals to form first arc-shaped slots 111; the second heat-insulating reflecting portion 31 includes a plurality of second metal layers 313 having arc structures and second connecting portions 315 connected to the second metal layers 313, and two adjacent second metal layers 313 are disposed at intervals to form a second arc-shaped groove 311. That is, the first heat-preserving reflecting portion 11 is formed by disposing the first metal layers 113 having an arc structure at intervals and fixing the first metal layers 113 by the first connecting portion 115. Similarly, the second heat-preserving reflecting portion 31 is formed by disposing a plurality of second metal layers 313 in an arc structure at intervals and fixing the plurality of second metal layers 313 by means of second connecting portions 315. The number of the first metal layer 113 and the second metal layer 313 is designed according to the heat preservation requirement. Further, the first metal layer 113 lattice located at one side of the arc center of the first radiation shielding part 13 is provided with a plurality of first through grooves (not shown); the second metal layer 313 on the arc center side of the second radiation shield 33 is provided with a plurality of second through grooves 317 in a lattice manner. A plurality of first and second through-trenches 317 are used to form a grid structure design on the first and second metal layers 113 and 313, respectively. In this embodiment, the lattice of the first metal layer 113 on the innermost layer of the first heat-preservation reflection part 11 is provided with a plurality of first through grooves, and the lattice of the second metal layer 313 on the innermost layer of the second heat-preservation reflection part 31 is provided with a plurality of second through grooves 317, so that the internal structure of the device 100 with heat preservation and neutron and gamma-ray ionizing radiation protection on a horizontal pipeline can be ensured not to be damaged by the gravity of the first radiation shielding part 13 and the second radiation shielding part 33. Further, the first metal layer 113 is connected to the first connection portion 115 by a spot welding structure; the second metal layer 313 and the second connection portion 315 are connected by spot welding, so that reflectivity can be increased, and a heat preservation effect can be improved. In addition, in order to avoid the first heat-preservation reflecting part 11 and the second heat-preservation reflecting part 31 from being extruded and deformed by the first radiation shielding part 13 and the second radiation shielding part 33 to reduce the heat-preservation effect, thickening processing is adopted on two adjacent first metal layers 113 of the first radiation shielding part 13 embedded in the first arc-shaped groove 111; two adjacent second metal layers 313 of the second radiation shielding part 33 embedded in the second arc-shaped slots 311 are thickened to increase the bearing capacity of the first metal layer 113 and the second metal layer 313.
Compared with the prior art, the device 100 with heat preservation and neutron, gamma ionizing radiation protection of this application is including the first protection box 10 and the second protection box 30 that are connected, and first protection box 10 and second protection box 30 can enclose into the accommodation space 20 who places the pipeline, consequently, its compact structure, easy dismounting. Simultaneously, first heat preservation reflection part 11 and second heat preservation reflection part 31 all adopt the metal material preparation that has the reflection function that keeps warm, first heat preservation reflection part 11 is seted up a plurality of first arc walls 111 along the axial, second heat preservation reflection part 31 is seted up a plurality of second arc walls 311 along the axial, be favorable to improving the thermal insulation performance of the device, and first radiation shielding part 13 and second radiation shielding part 33 all adopt the material preparation that has the radiation shielding function, first radiation shielding part 13 imbeds in second arc walls 311, second radiation shielding part 33 imbeds in second arc walls 311, can be favorable to improving the shielding effect of the device.
It should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the invention, and that those skilled in the art will be able to modify the invention in its various equivalent forms after reading the present invention and to fall within the scope of the invention as defined in the appended claims.
Claims (10)
1. A device with heat preservation and neutron and gamma ionizing radiation protection functions is characterized by comprising a first protection box and a second protection box connected with the first protection box, wherein the first protection box and the second protection box enclose a containing space, the first protection box comprises a first heat preservation reflection part and a first radiation shielding part, the first heat preservation reflection part is provided with a plurality of first arc-shaped grooves along the axial direction, and the first radiation shielding part is embedded into the first arc-shaped grooves; the second protection box comprises a second heat insulation reflection part and a second radiation shielding part, wherein the second heat insulation reflection part is provided with a plurality of second arc-shaped grooves along the axial direction, and the second radiation shielding part is embedded into the second arc-shaped grooves; the first heat-preservation reflection portion and the second heat-preservation reflection portion are made of metal materials with heat-preservation reflection functions, and the first radiation shielding portion and the second radiation shielding portion are made of materials with radiation shielding functions.
2. The device with thermal insulation and protection against neutron and gamma ionizing radiation of claim 1, wherein the first and second thermal insulation reflecting portions are both made of stainless steel material.
3. The apparatus with thermal insulation and neutron and gamma ionizing radiation protection as claimed in claim 1, wherein the first radiation shielding part and the second radiation shielding part are made of any one of lead rubber, lead skin, tungsten-containing rubber and tungsten/lead-containing high polymer material.
4. The device with the functions of heat preservation and neutron and gamma ionizing radiation protection as claimed in claim 1, wherein the outer surface of the first heat preservation reflecting portion is coated with a first flexible shielding layer, the outer surface of the second heat preservation reflecting portion is coated with a second flexible shielding layer, and the first flexible shielding layer and the second flexible shielding layer both comprise an inner layer made of silicon rubber containing lead powder and an outer layer made of silicon rubber.
5. The apparatus of claim 1, wherein the first protective enclosure and the second protective enclosure are connected in a tongue-and-groove configuration.
6. The apparatus of claim 5, wherein one of the first and second protective boxes has a connecting end configured to include a first protrusion and a first recess, and the other of the first and second protective boxes has a connecting end configured to include a second protrusion and a second recess.
7. The apparatus according to claim 1, wherein the first thermal insulation reflecting portion comprises a plurality of first metal layers with arc structures and first connecting portions connected to the first metal layers, and two adjacent first metal layers are spaced to form the first arc-shaped groove; the second heat-preservation reflecting part comprises a plurality of second metal layers with arc structures and second connecting parts connected with the second metal layers, and the second metal layers are arranged at intervals to form second arc-shaped grooves.
8. The device with the functions of heat preservation and neutron and gamma-ray ionizing radiation protection as claimed in claim 7, wherein the first metal layer lattice on one side of the arc center of the first radiation shielding part is provided with a plurality of first through grooves; the second metal layer lattice positioned on one side of the arc center of the second radiation shielding part is provided with a plurality of second through grooves.
9. The device with thermal insulation and neutron and gamma ionizing radiation protection as claimed in claim 7, wherein the first metal layer is connected with the first connecting portion by a spot welding structure; the second metal layer is connected with the second connecting portion through spot welding structures.
10. The apparatus with thermal insulation and neutron and gamma ionizing radiation protection as claimed in claim 7, wherein two adjacent first metal layers of the first radiation shielding part embedded in the first arc-shaped groove are thickened; and two adjacent second metal layers of the second radiation shielding part embedded in the second arc-shaped groove are thickened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857747.1A CN112466498A (en) | 2019-09-09 | 2019-09-09 | Device with heat preservation and neutron, gamma ionizing radiation protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857747.1A CN112466498A (en) | 2019-09-09 | 2019-09-09 | Device with heat preservation and neutron, gamma ionizing radiation protection |
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| CN112466498A true CN112466498A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910857747.1A Pending CN112466498A (en) | 2019-09-09 | 2019-09-09 | Device with heat preservation and neutron, gamma ionizing radiation protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962862A (en) * | 2022-05-13 | 2022-08-30 | 安徽工业大学 | Single-layer heat insulation shielding device for high-temperature pipeline of nuclear power station |
| CN115143345A (en) * | 2022-05-13 | 2022-10-04 | 安徽工业大学 | Nuclear power station loop pipeline detachable heat-preservation shielding integrated device and using method |
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