CN2899043Y - Cable for nuclear power station, such as K3 station - Google Patents
Cable for nuclear power station, such as K3 station Download PDFInfo
- Publication number
- CN2899043Y CN2899043Y CN 200520144602 CN200520144602U CN2899043Y CN 2899043 Y CN2899043 Y CN 2899043Y CN 200520144602 CN200520144602 CN 200520144602 CN 200520144602 U CN200520144602 U CN 200520144602U CN 2899043 Y CN2899043 Y CN 2899043Y
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- cable
- halogen
- nuclear power
- power station
- low
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- Expired - Lifetime
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Abstract
The utility model discloses a cable for nuclear power station, such as K3 station, which comprises a cable core, a filling, a cover belt, a shield, a protection sleeve; the utility model is characterized in that the cable core is formed by intertwisting the wire core of insulated conductor, the wire core of insulated conductor comprises a conductor 1 and a low spoke halogen-free polyolefin insulation 2 which is extruded out of the conductor, an asbestos rope 3 is fulfilled in the cap between the wire core of the insulation conductor, a low spoke halogen-free flame-retardant cover belt 4 is covered out of the wire core of the insulation conductor and the asbestos rope, which is covered around by polyester belt 5, a brass wire shield 6 is twisted out of the polyester belt, a low spoke halogen-free flame-retardant cover belt 5 is covered out of the brass wire shield, a low spoke halogen-free flame-retardant protection sleeve 7 is extruded out of the low spoke halogen-free flame-retardant cover belt. The utility model of cable for nuclear power station, such as K3 station can completely accord with the design requirement of nuclear power station, and the functions can be enforced under rigor condition, out of safe cover and common condition and earthquake load.
Description
Technical field
The utility model relates to electric wire, particularly a kind of K3 class nuclear power station electricity consumption cable.
Background technology
Along with the continuous development of socialist market economy, earth-shaking variation has also taken place in people's quality of life, and this wherein electric energy play irreplaceable effect.Electric energy is as indispensable a kind of important energy source in people's work and the life, and its transmission and application quality receive much attention.There are wind power station, hydropower station, heat power station and nuclear power station in the present power station of China.And nuclear power is because its fail safe, stable, life-span is long and characteristics such as the influence of environment is little are become one of important energy pillar.But the conditional request of nuclear power plant is harsh especially, and this has proposed a challenge to its used cable.Because the service condition harshness reaches outside containment under normal condition and the earthquake load and can carry out its function, so require strict especially to the selection of cable material and structure.
Summary of the invention
The purpose of this utility model provides a kind of K3 class nuclear power station electricity consumption cable that can operate as normal under the nuclear power station specific condition.
For achieving the above object, solution of the present utility model is: a kind of K3 class nuclear power station electricity consumption cable, it comprises cable core, fill, band, shielding, sheath, it is characterized in that: cable core forms by the insulated electric conductor core is stranded, the insulated electric conductor core is made up of the conductor 1 low-smoke halogen-free polyolefin insulation 2 outer with being extruded in conductor, space between the insulated electric conductor core is filled by asbestos cord 3, at insulated electric conductor core and asbestos cord external application low-smoke non-halogen flame-retardant band 4 parcels, the low-smoke non-halogen flame-retardant band is outer wrapped by polyester belt 5, polyester belt weaves copper wire shielding 6 outward, copper wire shielding external application polyester belt 5 parcels, the low-smoke non-halogen flame-retardant band extrudes low-smoke halogen-free flame-retardant sheath 7 outward.
Conductor of the present utility model adopts copper wire or tinned copper wire, and conductor meets the regulation of GB/T3956, GB3953, GB4910, GB3957 standard.Its insulation and sheath all satisfy the nuclear power station design specification.Cable has wrapped shielding of copper strips and copper wire braid shielded with shielding.The wrapped shielding rate of putting up of copper strips is not less than 15%, and copper wire braid shielded count is not less than 85%.Its characteristic is as follows:
A. rated voltage for cable (U
0/ U): 0.6/1kV;
B. the long-term permission working temperature of cable conductor: 90 ℃; Short circuit (duration≤4s) 250 ℃ of temperature;
C. the ambient temperature-10 during cable laying is ℃-40 ℃;
D. the permission bending radius during cable laying:
Unshielded cable should be not less than 6 times of the outside diameter of cable;
Shielded type cable should be not less than 8 times of the outside diameter of cable;
The minimum ambient temperature of permission when e. moving after the cable laying :-40 ℃;
F. normal useful life of cable: 50 years;
G. the property of cable:
(1) cable can stand the bunched burning test of GB/T18380.3 (IEC332-3) standard code;
(2) insulated wire cores of cable can stand the testing vertical flammability of GB/T18380.1 (IEC332-1) standard code;
(3) the low smoke performance of cable meets the regulation of GB/T17651 (IEC61034) standard: light transmittance 〉=60;
(4) the low halogen performance of cable meets the regulation of GB/T17650.2 (IEC60754-2) standard: pH 〉=4.3, conductivity＜10 μ s/mm;
H. the electric property of cable:
(1) cable can stand AC 3500V/5min withstand voltage test and not puncture;
(2) the conductor resistance rate ρ of cable
20Be not more than 0.0172410 Ω mm
2/ m;
(3) the insulation resistance constant of cable: K
20Be not less than 3670M Ω km, K
60Be not less than 367M Ω km, K
90Be not less than 36M Ω km;
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, symbol 1 is represented conductor, and symbol 2 is represented the low-smoke halogen-free polyolefin insulation, and symbol 3 is represented asbestos cord, and symbol 4 is represented the low-smoke non-halogen flame-retardant band, and symbol 5 is represented polyester belt, and symbol 6 is represented the copper wire shielding, and symbol 7 is represented low-smoke halogen-free flame-retardant sheath.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, it is structural representation of the present utility model, can be clearly seen that part of the present utility model: the low-smoke halogen-free polyolefin insulation 2 insulated electric conductor cores formed outer with being extruded in conductor by conductor 1 are twisted into cable core, space between the insulated electric conductor core is filled by asbestos cord 3, at insulated electric conductor core and asbestos cord external application low-smoke non-halogen flame-retardant band 4 parcels, the low-smoke non-halogen flame-retardant band is outer wrapped by polyester belt 5, polyester belt weaves copper wire shielding 6 outward, copper wire shielding external application polyester belt 5 parcels, the low-smoke non-halogen flame-retardant band extrudes low-smoke halogen-free flame-retardant sheath 7 outward.
Manufacturing process of the present utility model is as follows: prepare conductor with general equipment such as wire drawing machine, bunching machine or pipe twisting machine in the industry, extrude insulated single wire with insulating exruded machine then, insulated single wire is utilized stranding equipment boundling together again, lapped insulation separator and copper strips or woven shield, extrude plastic sheath then, get product.The manufacturing process flow of this cable is as follows:
Wire drawing-→ twisted wire or synnema-→ insulating exruded-→ stranding-→ band-→ copper strips or copper wire braid shielded-→ extrude sheath
Claims (4)
1, a kind of K3 class nuclear power station electricity consumption cable, it comprises cable core, filling, band, shielding, sheath, it is characterized in that: cable core forms by the insulated electric conductor core is stranded, the insulated electric conductor core is by conductor (1) and be extruded in the outer low-smoke halogen-free polyolefin insulation (2) of conductor and form, space between the insulated electric conductor core is filled by asbestos cord (3), at insulated electric conductor core and asbestos cord external application low-smoke non-halogen flame-retardant band (4) parcel.
2, K3 class nuclear power station electricity consumption cable according to claim 1 is characterized in that outside described low-smoke non-halogen flame-retardant band wrapped by polyester belt (5).
3, K3 class nuclear power station electricity consumption cable according to claim 1 is characterized in that weaving copper wire shielding (6) outside described polyester belt.
4, K3 class nuclear power station electricity consumption cable according to claim 1 is characterized in that the low-smoke non-halogen flame-retardant band extrudes low-smoke halogen-free flame-retardant sheath (7) outward at described copper wire shielding external application polyester belt (5) parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144602 CN2899043Y (en) | 2005-12-16 | 2005-12-16 | Cable for nuclear power station, such as K3 station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144602 CN2899043Y (en) | 2005-12-16 | 2005-12-16 | Cable for nuclear power station, such as K3 station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899043Y true CN2899043Y (en) | 2007-05-09 |
Family
ID=38074377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520144602 Expired - Lifetime CN2899043Y (en) | 2005-12-16 | 2005-12-16 | Cable for nuclear power station, such as K3 station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899043Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737774A (en) * | 2012-07-23 | 2012-10-17 | 安徽江淮电缆集团有限公司 | Novel cable for computer |
| CN105489302A (en) * | 2015-12-31 | 2016-04-13 | 齐鲁电缆有限公司 | Breath-type power cable |
-
2005
- 2005-12-16 CN CN 200520144602 patent/CN2899043Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737774A (en) * | 2012-07-23 | 2012-10-17 | 安徽江淮电缆集团有限公司 | Novel cable for computer |
| CN105489302A (en) * | 2015-12-31 | 2016-04-13 | 齐鲁电缆有限公司 | Breath-type power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEBEI NEW BAOFENG CABLE CO., LTD. Free format text: FORMER OWNER: INST. OF WIRE CABLE SCI-TECH CO., LTD., HEBEI Effective date: 20130911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130911 Address after: 062451 Twin Towers village, Jing Jing Town, Hejian City, Hebei Patentee after: HEBEI NEW BAOFENG WIRE & CABLE CO., LTD. Address before: 062451, Hejian Town, Hebei province and 1 hi tech Park Patentee before: Inst. of Wire Cable Sci-Tech Co., Ltd., Hebei |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |