CN216487383U - Ultra-long life radiation-resistant bus cable for nuclear power station - Google Patents
Ultra-long life radiation-resistant bus cable for nuclear power station Download PDFInfo
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- CN216487383U CN216487383U CN202122935062.XU CN202122935062U CN216487383U CN 216487383 U CN216487383 U CN 216487383U CN 202122935062 U CN202122935062 U CN 202122935062U CN 216487383 U CN216487383 U CN 216487383U
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Abstract
The utility model discloses a bus cable for a radiation-resistant nuclear power station with an ultra-long service life in the technical field of cables, which comprises a cable core assembly; the filling layer is coated outside the cable core assembly; the outer shielding layer is coated outside the filling layer; the radiation-proof layer is coated outside the outer shielding layer; and the radiation resistance of the cable can be improved by arranging the radiation-resistant layer made of the polyimide belt outside the inner shielding layer, the radiation resistance of the cable can be further improved by arranging the radiation-resistant layer consisting of the lead plate and the metal fiber net, and the coating made of the polyimide solution is coated on the anti-corrosion wear-resistant layer, so that the radiation resistance of the cable can be greatly improved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a bus cable for a radiation-resistant nuclear power station with an ultra-long service life.
Background
Nuclear power plants are complex and demanding in design, with bus cables being a very important component.
Because the environment of the nuclear power station is severe, the bus cable is required to be resistant to radiation, and the conventional bus cable for the nuclear power station has weak radiation resistance effect and short service life, so that the bus cable for the nuclear power station with the ultra-long service life is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bus cable for a radiation-resistant nuclear power station with an ultra-long service life, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the long-life radiation-resistant bus cable for the nuclear power station comprises a cable core assembly; the filling layer is coated outside the cable core assembly; the outer shielding layer is coated outside the filling layer; the radiation-proof layer is coated outside the outer shielding layer; and the protective layer is coated outside the radiation-proof layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: the cable core assembly comprises three groups of conductors with the same structure, an insulating layer is wrapped outside the conductors, an inner shielding layer is wrapped outside the insulating layer, and a radiation-resistant layer is wrapped outside the inner shielding layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: the radiation-resistant layer is coated with a water-resistant layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: the outside cladding of water blocking layer has the glass fiber weaving layer, and the glass fiber weaving layer sets up the inside at the filling layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: and a tin layer is plated outside the outer shielding layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: the protective layer is including the cladding at the outside restrictive coating of radiation protection layer, the outside cladding of restrictive coating has anticorrosive wearing layer.
As a preferred scheme of the bus cable for the ultra-long-life radiation-resistant nuclear power station, the utility model comprises the following steps: the outer part of the anticorrosion wear-resistant layer is coated with a coating.
Compared with the prior art, the utility model has the beneficial effects that: through the outside radiation resistant layer that the polyimide area was made that sets up on the internal shield layer, can improve the radiation resistance of cable, through the radiation protection layer that sets up stereotype and metal fiber net and constitute, can further improve the radiation resistance of cable, the coating has the coating that polyimide solution made on anticorrosive wearing layer, the radiation resistance that can make the cable can obtain very big improvement, insulating layer and the anticorrosive wearing layer that polyurethane made through setting up high temperature resistant radiation resistant vulcanized silicone rubber, can improve the life of cable effectively, satisfy the user demand of nuclear power station.
Drawings
FIG. 1 is a schematic view of the overall structure of a bus cable for an ultra-long life radiation-resistant nuclear power station according to the present invention;
fig. 2 is a schematic structural diagram of a cable core assembly of the bus cable for the ultra-long service life radiation-resistant nuclear power station.
In the figure: 100. a cable core assembly; 101. a conductor; 102. an insulating layer; 103. an inner shield layer; 104. a radiation resistant layer; 200. a filling layer; 300. an outer shield layer; 400. a radiation protective layer; 500. a protective layer; 501. a sheath layer; 502. an anti-corrosion wear-resistant layer; 503. and (4) coating.
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.
Example 1
Referring to fig. 1 to 2, the bus cable for the ultra-long life radiation-resistant nuclear power station includes a cable core assembly 100; the filling layer 200 is coated outside the cable core assembly 100, and the filling layer 200 is filled with a polypropylene material; the outer shielding layer 300, the outer shielding layer 300 is coated outside the filling layer 200, and the outer shielding layer 300 is woven by a copper mesh; the radiation protection layer 400 is coated outside the outer shielding layer 300, and the radiation protection layer 400 is composed of a lead plate and a metal fiber net, so that the radiation protection effect of the cable can be achieved; and a protective layer 500, wherein the protective layer 500 covers the radiation-proof layer 400, and the ultra-long life refers to a 60-year life.
Referring to fig. 1 to 2, cable core assembly 100 includes the same conductor 101 of three group structures, the outside cladding of conductor 101 has insulating layer 102, insulating layer 102 adopts high temperature resistant radiation silicon sulfide rubber to make, high temperature resistant, heat life reaches 60 years, the life of cable has been improved, the outside cladding of insulating layer 102 has internal shield layer 103, internal shield layer 103 is made through the aluminium foil, the outside cladding of internal shield layer 103 has radiation resistant layer 104, radiation resistant layer 104 is made through the polyimide belt, can improve the radiation resistance of cable.
Referring to fig. 2, the radiation-resistant layer 104 is coated with a water-blocking layer, and the water-blocking layer is wrapped by a water-blocking tape, so that a waterproof effect can be achieved.
Referring to fig. 1 to 2, the glass fiber braid is wrapped outside the water blocking layer and disposed inside the filling layer 200, and insulation, heat resistance, corrosion resistance, and radiation resistance of the cable may be further improved by the glass fiber braid.
Referring to fig. 1, the outer portion of the outer shield layer 300 is plated with a tin layer, which can improve the oxidation resistance of the outer shield layer 300.
Referring to fig. 1 to 2, protective layer 500 includes cladding at the outside restrictive coating 501 of radiation protection layer 400, and restrictive coating 501 is the PVC sheath, and the outside cladding of restrictive coating 501 has anticorrosive wearing layer 502, and anticorrosive wearing layer 502 is made through the polyurethane material, through the anticorrosive wearability that improves the cable, can further improve the life of cable.
Example 2
Referring to fig. 1, the coating 503 is coated on the outer portion of the anti-corrosion wear-resistant layer 502, and the polyimide solution is coated on the anti-corrosion wear-resistant layer 502, so that the radiation resistance of the cable can be improved again, and the use requirement of a nuclear power station can be met.
The rest of the structure was the same as in example 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Ultra-long life radiation-resistant bus cable for nuclear power station, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a cable core assembly (100);
the filling layer (200), the filling layer (200) is coated outside the cable core assembly (100);
the outer shielding layer (300) is coated outside the filling layer (200);
the radiation protection layer (400), the radiation protection layer (400) is coated outside the outer shielding layer (300); and
and the protective layer (500) is coated outside the radiation-proof layer (400).
2. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 1, characterized in that: the cable core assembly (100) comprises three groups of conductors (101) with the same structure, wherein the conductors (101) are coated with an insulating layer (102), the insulating layer (102) is coated with an inner shielding layer (103), and the inner shielding layer (103) is coated with a radiation-resistant layer (104).
3. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 2, characterized in that: the radiation-resistant layer (104) is externally coated with a water-blocking layer.
4. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 3, characterized in that: the outside cladding of water blocking layer has the glass fiber weaving layer, and the glass fiber weaving layer sets up the inside at filling layer (200).
5. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 1, characterized in that: the outer part of the outer shielding layer (300) is plated with a tin layer.
6. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 1, characterized in that: protective layer (500) are including cladding restrictive coating (501) in radiation protection layer (400) outside, the outside cladding of restrictive coating (501) has anticorrosive wearing layer (502).
7. The bus cable for an ultra-long life radiation-resistant nuclear power plant according to claim 6, characterized in that: the outer part of the corrosion-resistant and wear-resistant layer (502) is coated with a coating (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122935062.XU CN216487383U (en) | 2021-11-26 | 2021-11-26 | Ultra-long life radiation-resistant bus cable for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122935062.XU CN216487383U (en) | 2021-11-26 | 2021-11-26 | Ultra-long life radiation-resistant bus cable for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487383U true CN216487383U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122935062.XU Active CN216487383U (en) | 2021-11-26 | 2021-11-26 | Ultra-long life radiation-resistant bus cable for nuclear power station |
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| Country | Link |
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| CN (1) | CN216487383U (en) |
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2021
- 2021-11-26 CN CN202122935062.XU patent/CN216487383U/en active Active
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