CN106057325A - Mineral insulated fireproof cable with heat resistance of 1300 DEG C - Google Patents

Mineral insulated fireproof cable with heat resistance of 1300 DEG C Download PDF

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Publication number
CN106057325A
CN106057325A CN201610558387.1A CN201610558387A CN106057325A CN 106057325 A CN106057325 A CN 106057325A CN 201610558387 A CN201610558387 A CN 201610558387A CN 106057325 A CN106057325 A CN 106057325A
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CN
China
Prior art keywords
mineral
powder
layer
wrapped
cable
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.)
Granted
Application number
CN201610558387.1A
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Chinese (zh)
Other versions
CN106057325B (en
Inventor
苏银玉
吴长青
刘多全
张雪艳
李颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang North Aike Cable Co.,Ltd.
Original Assignee
Shenzhen Atigerk Electric Cable Co Ltd
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Priority to CN201610558387.1A priority Critical patent/CN106057325B/en
Publication of CN106057325A publication Critical patent/CN106057325A/en
Application granted granted Critical
Publication of CN106057325B publication Critical patent/CN106057325B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/201—Extruded metal tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • 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

Landscapes

  • Insulated Conductors (AREA)

Abstract

The invention provides a mineral insulated fireproof cable with heat resistance of 1300 DEG C. The composition of the cable comprises a cable core, a cable core insulated sleeve, a metal sleeve, mineral oxygen insulating layers, a framework supporting layer, a heat insulating layer and a halogen-free sheath layer. The cable core insulated sleeve wraps the cable core. The cable core insulated sleeve is externally wrapped by the metal sleeve which is externally wrapped by the mineral oxygen insulating layer. The mineral oxygen insulating layer is externally wrapped by the framework supporting layer which is externally wrapped by the mineral oxygen insulating layer. The mineral oxygen insulating layer is externally wrapped by the heat insulating layer which is externally wrapped by the halogen-free sheath layer. The cable manufactured according to the composition and the formula has excellent fire resistance, and fire resistant temperature is more than 1300 DEG C and fire resistant time is long.

Description

A kind of mineral insulated cable of heatproof 1300 DEG C
Technical field
The invention belongs to field of cable technology, particularly relate to the mineral insulated cable of a kind of heatproof 1300 DEG C.
Background technology
Along with Urbanization Process is constantly accelerated, population is more and more denser and concentrates, and high buildings and large mansions are the most but also high, people Building firesafety is increasingly paid attention to, more and more higher to the technical performance level requirement of building fireproof cable, traditional Fireproof cable does not the most adapt to new requirement.The basic fire protecting performance of mineral insulated cable product of domestic production at present exists 950 DEG C of levels ensureing circuit integrity 180min, and actual fire is more much higher than this temperature, flame temperature is up to 1300 DEG C.
Summary of the invention
The present invention is aiming at the problems referred to above, it is provided that the mineral insulated cable of a kind of heatproof 1300 DEG C.
For achieving the above object, the present invention adopts the following technical scheme that, the mineral-insulated fireproof electricity of a kind of heatproof 1300 DEG C 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； Described 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 described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, silica flour and Crushed crude pearlite, the proportion of composing of the most 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 described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Its structural feature of the cable of the present invention be metallic sheath and support frame outer surface all wrap up the mineral of the present invention every Oxygen layer.
Described cable core is made up of many nickel plated copper conductor, and every copper conductor is enclosed with hot-face insulation set, and heatproof reaches More than 1300 DEG C.
Described metallic sheath uses aluminium alloy seamless extrusion to form, and has waterproof, impact resistance.
Described hot-face insulation set uses fire-resisting ceramic silicone rubber material.
Described skeletal support layer and Halogen restrictive coating all use ceramic low-smoke halogen-free polyolefin material.
Described thermal insulation layer is to be formed by high fire-retardance band three ply is wrapped.
Compared with prior art, the invention have the advantages that: the cable made according to present invention composition and formula, Having 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 fire basic fire protecting performance of cable product ensures the level of circuit integrity 180min at 950 DEG C, has prominent performance and application It is worth.
Detailed description of the invention
The mineral insulated cable of a kind of heatproof 1300 DEG C, 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；Described cable core insulation sleeve is wrapped on cable core, outside cable core insulation sleeve Being coated with metallic sheath, metallic sheath is wrapped with mineral oxygen barrier layer, and mineral oxygen barrier layer is wrapped with skeletal support layer, skeletal support layer Being 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.
Described cable core is made up of many nickel plated copper conductor, and every copper conductor is enclosed with hot-face insulation set, and heatproof reaches More than 1300 DEG C.
Described metallic sheath uses aluminium alloy seamless extrusion to form, and has waterproof, impact resistance.
Described hot-face insulation set uses fire-resisting ceramic silicone rubber material.
Described skeletal support layer and Halogen restrictive coating all use ceramic low-smoke halogen-free polyolefin material.
Described thermal insulation layer is to be formed by high fire-retardance band three ply is wrapped.
Embodiment 1: the compositing formula of described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, Silica flour and crushed crude pearlite, the proportion of composing of the most each component is: magnesia powder 20 wt %, wollastonite in powder 10 wt %, Muscovitum Powder 10 wt %, sodium silicate 30 wt %, silica flour 20 wt % and crushed crude pearlite 10wt %.
The mesh number of described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 2: the compositing formula of described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, Silica flour and crushed crude pearlite, the proportion of composing of the most each component is: magnesia powder 15wt %, wollastonite in powder 8wt %, mica powder 8 Wt %, sodium silicate 35 wt %, silica flour 25 wt % and crushed crude pearlite 9 wt %.
The mesh number of described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 3: the compositing formula of described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, Silica flour and crushed crude pearlite, the proportion of composing of the most each component is: magnesia powder 25wt %, wollastonite in powder 8 wt %, mica powder 9wt %, sodium silicate 35 wt %, silica flour 15 wt % and crushed crude pearlite 8 wt %.
The mesh number of described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 4: the compositing formula of described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, Silica flour and crushed crude pearlite, the proportion of composing of the most each component is: magnesia powder 25wt %, wollastonite in powder 12 wt %, mica powder 12wt %, sodium silicate 25 wt %, silica flour 15 wt % and crushed crude pearlite 11 wt %.
The mesh number of described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
Embodiment 5: the compositing formula of described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, Silica flour and crushed crude pearlite, the proportion of composing of the most each component is: magnesia powder 25wt %, wollastonite in powder 11wt %, mica powder 12wt %, sodium silicate 25 wt %, silica flour 15 wt % and crushed crude pearlite 12 wt %.
The mesh number of described magnesia powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, flower bulb The mass percentage concentration of alkali is 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.

Claims (7)

1. the mineral insulated cable of a heatproof 1300 DEG C, it is characterised in that its composition include cable core, cable core insulation sleeve, Metallic sheath, mineral oxygen barrier layer, skeletal support layer, thermal insulation layer, Halogen restrictive coating；Described 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 described mineral oxygen barrier layer includes: magnesia powder, wollastonite in powder, mica powder, sodium silicate, silica flour and Margarita Rock dust, the proportion of composing of the most 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 mineral insulated cable of a kind of heatproof the most according to claim 1 1300 DEG C, it is characterised in that described oxidation The mesh number of magnesium powder is 1250, the mesh number of wollastonite in powder is 1000, the mesh number of mica powder is 1250, the mass percentage concentration of sodium silicate Be 30%, the mesh number of silica flour is 1250 and the mesh number of crushed crude pearlite is 1250.
The mineral insulated cable of a kind of heatproof the most according to claim 1 1300 DEG C, it is characterised in that described cable core It is made up of many nickel plated copper conductor, every copper conductor is enclosed with hot-face insulation set.
The mineral insulated cable of a kind of heatproof the most according to claim 1 1300 DEG C, it is characterised in that described metal Set uses aluminium alloy seamless to be extruded into, and has waterproof, impact resistance.
The mineral insulated cable of a kind of heatproof the most according to claim 3 1300 DEG C, it is characterised in that described fire-resistant Insulation sleeve uses fire-resisting ceramic silicone rubber material.
The mineral insulated cable of a kind of heatproof the most according to claim 1 1300 DEG C, it is characterised in that described skeleton Supporting layer and Halogen restrictive coating all use ceramic low-smoke halogen-free polyolefin material.
The mineral insulated cable of a kind of heatproof the most according to claim 1 1300 DEG C, it is characterised in that described heat insulation Layer is to be formed by high fire-retardance band three ply is wrapped.
CN201610558387.1A 2016-07-16 2016-07-16 A kind of mineral insulated cable of 1300 DEG C of heatproof Active CN106057325B (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102015898A (en) * 2008-03-31 2011-04-13 沙伯基础创新塑料知识产权有限公司 Flame resistant polyphthalamide/poly(arylene ether) composition
CN103351536A (en) * 2013-06-25 2013-10-16 绿宝电缆（集团）有限公司 Flame-retardant type ethylene propylene rubber cable material
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102015898A (en) * 2008-03-31 2011-04-13 沙伯基础创新塑料知识产权有限公司 Flame resistant polyphthalamide/poly(arylene ether) composition
CN103351536A (en) * 2013-06-25 2013-10-16 绿宝电缆（集团）有限公司 Flame-retardant type ethylene propylene rubber cable material
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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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.

TR01 Transfer of patent right
TR01 Transfer of patent right

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.

TR01 Transfer of patent right