CN106057325B - A kind of mineral insulated cable of 1300 DEG C of heatproof - Google Patents
A kind of mineral insulated cable of 1300 DEG C of heatproof Download PDFInfo
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- CN106057325B CN106057325B CN201610558387.1A CN201610558387A CN106057325B CN 106057325 B CN106057325 B CN 106057325B CN 201610558387 A CN201610558387 A CN 201610558387A CN 106057325 B CN106057325 B CN 106057325B
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
A kind of mineral insulated cable of 1300 DEG C of heatproof, its composition includes cable core, cable core insulation sleeve, metallic sheath, mineral oxygen barrier layer, skeletal support layer, thermal insulation layer, Halogen restrictive coating；The cable core insulation sleeve is wrapped on cable core, cable core insulation sleeve is coated with metallic sheath, metallic sheath is wrapped with mineral oxygen barrier layer, mineral oxygen barrier layer is wrapped with skeletal support layer, skeletal support layer is wrapped with mineral oxygen barrier layer, mineral oxygen barrier layer is wrapped with thermal insulation layer, and thermal insulation layer is wrapped with Halogen restrictive coating.The cable being made according to present invention composition and formula, with excellent fire protecting performance, refractory temperature reaches more than 1300 DEG C, and fire resistance period is long.
Description
Technical field
The invention belongs to the mineral insulated cable of field of cable technology, more particularly to a kind of 1300 DEG C of heatproof.
Background technology
As Urbanization Process is constantly accelerated, population is more and more denser and concentrates, and high buildings and large mansions are not only more but also high, people
Building firesafety is increasingly paid attention to, it is traditional to the technical performance level requirement more and more higher of building fireproof cable
Fireproof cable does not adapt to new requirement.The basic fire protecting performance of mineral insulated cable product of current domestic production exists
950 DEG C of guarantee circuit integrality 180min level, and actual fire is more much higher than this temperature, flame temperature is up to 1300 DEG C.
The content of the invention
There is provided a kind of mineral insulated cable of 1300 DEG C of heatproof aiming above mentioned problem by the present invention.
To achieve the above object, the present invention is adopted the following technical scheme that, a kind of mineral-insulated fireproof electricity of 1300 DEG C of heatproof
Cable, its composition includes cable core, cable core insulation sleeve, metallic sheath, mineral oxygen barrier layer, skeletal support layer, thermal insulation layer, Halogen restrictive coating；
The cable core insulation sleeve is wrapped on cable core, and cable core insulation sleeve is coated with metallic sheath, and metallic sheath is wrapped with mineral oxygen barrier layer,
Mineral oxygen barrier layer is wrapped with skeletal support layer, and skeletal support layer is wrapped with mineral oxygen barrier layer, and mineral oxygen barrier layer is wrapped with
Thermal insulation layer, thermal insulation layer is wrapped with Halogen restrictive coating.
The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate, silica flour and
The proportion of composing of crushed crude pearlite, wherein each component is：Magnesia powder 15-25 wt %, wollastonite in powder 8-12 wt %, mica powder 8-
12 wt %, sodium silicate 25-35 wt %, silica flour 15-25 wt % and crushed crude pearlite 8-12 wt %.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Cable its structural feature of the present invention be metallic sheath and support frame outer surface wrap up the mineral of the present invention every
Oxygen layer.
The cable core is made up of many nickel plated copper conductors, and hot-face insulation set is enclosed with every copper conductor, and heatproof reaches
More than 1300 DEG C.
The metallic sheath is formed using aluminium alloy seamless extrusion, with waterproof, impact resistance.
The hot-face insulation set uses fire-resisting ceramic silicone rubber material.
The skeletal support layer and Halogen restrictive coating use ceramic low-smoke halogen-free polyolefin material.
The thermal insulation layer wrapped is formed by three layers of high fire-retardance band is overlapping.
Compared with prior art, the invention has the advantages that：The cable being made according to present invention composition and formula,
With excellent fire protecting performance, refractory temperature reaches more than 1300 DEG C, and fire resistance period is long, has broken current domestic mineral insulation and has prevented
The fiery basic fire protecting performance of cable product ensures circuit integrality 180min level at 950 DEG C, with prominent performance and application
Value.
Embodiment
A kind of mineral insulated cable of 1300 DEG C of heatproof, its composition includes cable core, cable core insulation sleeve, metallic sheath, ore deposit
Thing oxygen barrier layer, skeletal support layer, thermal insulation layer, Halogen restrictive coating；The cable core insulation sleeve is wrapped on cable core, outside cable core insulation sleeve
Metallic sheath is coated with, metallic sheath is wrapped with mineral oxygen barrier layer, and mineral oxygen barrier layer is wrapped with skeletal support layer, skeletal support layer
Mineral oxygen barrier layer is wrapped with, mineral oxygen barrier layer is wrapped with thermal insulation layer, and thermal insulation layer is wrapped with Halogen restrictive coating.
The cable core is made up of many nickel plated copper conductors, and hot-face insulation set is enclosed with every copper conductor, and heatproof reaches
More than 1300 DEG C.
The metallic sheath is formed using aluminium alloy seamless extrusion, with waterproof, impact resistance.
The hot-face insulation set uses fire-resisting ceramic silicone rubber material.
The skeletal support layer and Halogen restrictive coating use ceramic low-smoke halogen-free polyolefin material.
The thermal insulation layer wrapped is formed by three layers of high fire-retardance band is overlapping.
Embodiment 1：The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate,
The proportion of composing of silica flour and crushed crude pearlite, wherein each component is：The wt % of magnesia powder 20, the wt % of wollastonite in powder 10, mica
The wt % of powder 10, the wt % of sodium silicate 30, the wt % of silica flour 20 and crushed crude pearlite 10wt %.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 2：The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate,
The proportion of composing of silica flour and crushed crude pearlite, wherein each component is：Magnesia powder 15wt %, wollastonite in powder 8wt %, mica powder 8
Wt %, the wt % of sodium silicate 35, the wt % of silica flour 25 and the wt % of crushed crude pearlite 9.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 3：The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate,
The proportion of composing of silica flour and crushed crude pearlite, wherein each component is：Magnesia powder 25wt %, the wt % of wollastonite in powder 8, mica powder
9wt %, the wt % of sodium silicate 35, the wt % of silica flour 15 and the wt % of crushed crude pearlite 8.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 4：The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate,
The proportion of composing of silica flour and crushed crude pearlite, wherein each component is：Magnesia powder 25wt %, the wt % of wollastonite in powder 12, mica powder
12wt %, the wt % of sodium silicate 25, the wt % of silica flour 15 and the wt % of crushed crude pearlite 11.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 5：The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate,
The proportion of composing of silica flour and crushed crude pearlite, wherein each component is：Magnesia powder 25wt %, wollastonite in powder 11wt %, mica powder
12wt %, the wt % of sodium silicate 25, the wt % of silica flour 15 and the wt % of crushed crude pearlite 12.
The mesh number of the magnesia powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is 1250, flower bulb
The mass percentage concentration of alkali is that the mesh number of 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Claims (2)
1. a kind of mineral insulated cable of 1300 DEG C of heatproof, it is characterised in that its constitute include cable core, cable core insulation sleeve,
Metallic sheath, mineral oxygen barrier layer, skeletal support layer, thermal insulation layer, Halogen restrictive coating；The cable core insulation sleeve is wrapped on cable core, cable
Core insulation set is coated with metallic sheath, and metallic sheath is wrapped with mineral oxygen barrier layer, and mineral oxygen barrier layer is wrapped with skeletal support layer,
Skeletal support layer is wrapped with mineral oxygen barrier layer, and mineral oxygen barrier layer is wrapped with thermal insulation layer, and thermal insulation layer is wrapped with Halogen sheath
Layer；The compositing formula of the mineral oxygen barrier layer includes：Magnesia powder, wollastonite in powder, mica powder, sodium silicate, silica flour and pearl
The proportion of composing of rock dust, wherein each component is：Magnesia powder 15-25 wt %, wollastonite in powder 8-12 wt %, mica powder 8-12
Wt %, sodium silicate 25-35 wt %, silica flour 15-25 wt % and crushed crude pearlite 8-12 wt %；The metallic sheath is closed using aluminium
Gold is seamless to be extruded into, with waterproof, impact resistance；Skeletal support layer and Halogen restrictive coating using the low cigarette of ceramic without
Halogen polyolefin material；The cable core is made up of many nickel plated copper conductors, and hot-face insulation set is enclosed with every copper conductor；It is described resistance to
Fiery insulation sleeve uses fire-resisting ceramic silicone rubber material；The thermal insulation layer wrapped is formed by three layers of high fire-retardance band is overlapping.
2. a kind of mineral insulated cable of 1300 DEG C of heatproof according to claim 1, it is characterised in that the oxidation
The mesh number of magnesium powder is that the mesh number of 1250, wollastonite in powder is that the mesh number of 1000, mica powder is the mass percentage concentration of 1250, sodium silicate
Mesh number for 30%, silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610558387.1A CN106057325B (en) | 2016-07-16 | 2016-07-16 | A kind of mineral insulated cable of 1300 DEG C of heatproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610558387.1A CN106057325B (en) | 2016-07-16 | 2016-07-16 | A kind of mineral insulated cable of 1300 DEG C of heatproof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106057325A CN106057325A (en) | 2016-10-26 |
| CN106057325B true CN106057325B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610558387.1A Active CN106057325B (en) | 2016-07-16 | 2016-07-16 | A kind of mineral insulated cable of 1300 DEG C of heatproof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108218320A (en) * | 2018-01-31 | 2018-06-29 | 上海腾瑞纳化工科技有限公司 | A kind of flexible mineral insulation cable mineral oxygen barrier feed composition and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8795557B2 (en) * | 2008-03-31 | 2014-08-05 | Sabic Innovative Plastics Ip B.V. | Flame resistant polyphthalamide/poly(arylene ether) composition |
| CN103351536B (en) * | 2013-06-25 | 2016-03-02 | 绿宝电缆（集团）有限公司 | A kind of Flame-retardant type ethylene propylene rubber cable |
| CN103617835A (en) * | 2013-12-06 | 2014-03-05 | 上海特种电线电缆（集团）有限公司 | 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure |
| CN204315271U (en) * | 2015-01-16 | 2015-05-06 | 沈阳艾克虎牌线缆有限公司 | A kind of embossing aluminium isolated form inorganic mineral insulation flexible fire-proof cable |
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| CN106057325A (en) | 2016-10-26 |
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Effective date of registration: 20180313 Address after: Liaoning District of Shenyang City, Liaoning province 110168 Shenyang four street and No. 8 pump valve industrial park Patentee after: Shenyang AIKE Cable Technology Co., Ltd. Address before: 110205 Shenyang City, Liaoning Province, pump valve industrial park, pump valve four street 8 Patentee before: SHENZHEN A.TIGER.K ELECTRIC CABLE CO., LTD. |
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Effective date of registration: 20210825 Address after: 110000 no.8-4, pump valve 4th Street, pump valve industrial park, yangshigang Town, Liaozhong District, Shenyang City, Liaoning Province Patentee after: Shenyang North Aike Cable Co.,Ltd. Address before: 110168 No. 8, Fourth Street, Pump Valve, Shenyang Machinery and Pump Valve Industrial Park, Liaozhong District, Shenyang City, Liaoning Province Patentee before: SHENYANG AIKE CABLE TECHNOLOGY Co.,Ltd. |
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