CN110010284A - A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling - Google Patents
A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling Download PDFInfo
- Publication number
- CN110010284A CN110010284A CN201910344407.9A CN201910344407A CN110010284A CN 110010284 A CN110010284 A CN 110010284A CN 201910344407 A CN201910344407 A CN 201910344407A CN 110010284 A CN110010284 A CN 110010284A
- Authority
- CN
- China
- Prior art keywords
- fire
- cable
- inorganic mineral
- proof mud
- mineral insulation
- 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.)
- Pending
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H01B7/02—Disposition of insulation
-
- 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
- H01B7/205—Metal tubes, e.g. lead sheaths composed of aluminium
-
- 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
A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling disclosed by the invention, including an at least cable core, it is characterized in that, further including the separation layer constituted using the inorganic mineral fire-proof mud that continuous extrusion way is coated on outside the cable core, the gear fire bed being coated on outside the separation layer and the restrictive coating being coated on outside the gear fire bed.The inorganic mineral insulation fire-resisting cable fire resistance rating of fire-proof mud filling of the invention has reached the level of BTTZ cable, and can allow the flue gas toxity discharged when cable fire in controlled range, does not cause secondary damage to human body.
Description
Technical field
The present invention relates to field of cable technology, in particular to a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling.
Background technique
Country's mineral insulated cable mainstream product in the market has following two kinds at present:
(1) copper sheath+magnesium hydroxide insulated flame-resistant cable, main model have BTTZ, BTTVZ.
(2) multilayer mica tape insulation+aluminium sheath, magnesium hydroxide powder slurry-mud separation layer, main model have BTLY, WDZAN,
GN-A etc..
BTTZ cable is used in high temperature place in Britain's original, the eighties Hua Dongyuan be related in Yaohua Glass-making Plant, Shanghai for the first time
Introduce China.Later Shanghai Electrical Cable Research Institute carries out secondary development and produces in Zhejiang Province, therefore before flexible fireproof cable comes out,
Due to its Halogen and fire resistance, it is used for the distribution line of fire-fighting equipment, plays a positive role.But BTTZ cable exists
In long-time service, some disadvantages of exposure: if production length is short, difficult to install, connector moisture-sensitive, high cost, many users have
Opinion.
General MI fire prevention class cable is unable to continuous production, wants to construct in baking when need to make transition joint, terminal,
Once the moisture absorption will reduce insulation resistance, the increase of leakage current is caused, and then leads to the increasing of the loss of voltage, and improve
Production cost, while 35mm2Single can only be produced above.
Summary of the invention
Technical problem to be solved by the present invention lies in mention for above-mentioned technical problem present in existing BTTZ cable
The level of BTTZ cable is reached for a kind of fire resistance rating, and the flue gas toxity discharged when cable fire can be allowed in controlled range
It is interior, secondary damage is not caused to human body and energy quantity-produced fire-proof mud fills inorganic mineral insulation fire-resisting cable.
The technical problems to be solved by the invention can be achieved through the following technical solutions:
A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling, including an at least cable core, which is characterized in that further include
Separation layer that the inorganic mineral fire-proof mud being coated on outside the cable core using continuous extrusion way is constituted, be coated on it is described every
Gear fire bed outside absciss layer and the restrictive coating being coated on outside the gear fire bed.
In a preferred embodiment of the invention, the inorganic mineral fire-proof mud is magnesium hydroxide slurry-mud.
In a preferred embodiment of the invention, the gear fire bed is using inorganic mica tape or ceramic band is wrapped forms.
In a preferred embodiment of the invention, the restrictive coating is low smoke and zero halogen sheath layer.
In a preferred embodiment of the invention, the cable core is four, and four cable cores twist together.
In a preferred embodiment of the invention, every cable core include conductor, the insulating layer that is coated on the conductor
With the metal sleeve being coated on outside the insulating layer.
In a preferred embodiment of the invention, the insulating layer is using inorganic mica tape or ceramic band is wrapped forms.
In a preferred embodiment of the invention, the metal sleeve is seamless aluminum casing.
Due to using technical solution as above, the inorganic mineral insulation fire-resisting cable fire resisting of fire-proof mud filling of the invention
Grade has reached the level of BTTZ cable, and can allow the flue gas toxity discharged when cable fire in controlled range, not to human body
Cause secondary damage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the radial sectional schematic diagram of the inorganic mineral insulation fire-resisting cable of fire-proof mud of the present invention filling.
Specific embodiment
Carry out the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling shown in figure, including four cable cores,
Four cable cores twist together.It further include the inorganic mineral fire-proof mud institute being coated on using continuous extrusion way outside four cable cores
The separation layer 40 of composition and the gear fire bed 50 being coated on outside separation layer 40 and the restrictive coating 60 being coated on outside gear fire bed 50.
Every cable core includes conductor 10, cladding insulating layer 20 on the conductor 10 and the metallic sheath being coated on outside insulating layer 20
Pipe 30.
Insulating layer 20 is formed on the conductor 10 using 5~6 inorganic mica tapes or ceramic band are wrapped with one heart, inorganic mica tape or
Ceramic band refractory temperature is high, and insulation performance is strong.Applicant uses 8 computer winding machines, can disposable wrapped 8 layers of band simultaneously,
Wrapped stabilization, smooth, high production efficiency.
Metal sleeve 30 is seamless aluminum casing, as the waterproof and dampproof protective layer of cable, and when being impacted under fire
Insulating layer 20 can be protected, seamless aluminum casing is squeezed out in inorganic mica tape or ceramic band, is inorganic in order to be protected under flame condition
Mica tape or ceramic band are stablized, and product is enable to bear certain spray and vibration, while cable being made to have excellent waterproof performance
Applicant squeezes out the seamless aluminum casing of various diameters, extruded velocity using a continuous aluminum-extruding machine group of the soft clad type of HS350/35 type
Fastly, out linear velocity up to 20m/min, seamless aluminium set tube light rounding.
The present invention is formed by separation layer 40 with the inorganic mineral fire-proof mud continuously squeezed out and existing cable is replaced to fill
The packing material restricted as cable, is truly realized the high fire-retardance of packing material.
Inorganic mineral fire-proof mud of the invention is magnesium hydroxide slurry-mud, is because magnesium hydroxide slurry-mud is under flame condition
Generation water can be decomposed, flame temperature can be reduced, to protect seamless aluminum casing not melt.Applicant is bis- using Φ 140mm/12mm
Screw rod grouting production line unit, the fire-proof mud quality of extrusion are stablized, and uniform external diameter rounding can sufficiently reduce flame temperature.
Gear fire bed 50 is formed on separation layer 40 with one heart using 5~6 inorganic mica tapes or ceramic band, inorganic mica tape
Or ceramic band refractory temperature is high, insulation performance is strong.Applicant use 8 computer winding machines, can disposably simultaneously it is wrapped 8 layers packet
Band, wrapped stabilization, smooth, high production efficiency.
Restrictive coating 60 is low smoke and zero halogen sheath layer.
The present invention can require production length, maximum length is up to 2000m with continuous production according to user.It can be by scene
Any cutting according to the actual situation not only reduces material connector cost, more can be improved and realize whole consistency of route, realizes
Expect really soft and big section multicore cable the production of high-grade mineral insulation class cable, area of section is up to 400mm2.It can
Multicore cable is produced, at most up to 37 cores.
Claims (8)
1. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling, including an at least cable core, which is characterized in that further include adopting
Separation layer that the inorganic mineral fire-proof mud being coated on outside the cable core with continuous extrusion way is constituted is coated on the isolation
Layer outside gear fire bed and be coated on it is described keep off fire bed outside restrictive coating.
2. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as described in claim 1, which is characterized in that the nothing
Machine minerals fire-proof mud is magnesium hydroxide slurry-mud.
3. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as described in claim 1, which is characterized in that the gear
Fire bed is using inorganic mica tape or ceramic band is wrapped forms.
4. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as described in claim 1, which is characterized in that the shield
Jacket layer is low smoke and zero halogen sheath layer.
5. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as described in claim 1, which is characterized in that the cable
Core is four, and four cable cores twist together.
6. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as claimed in claim 5, which is characterized in that every cable
Core includes conductor, the insulating layer being coated on the conductor and the metal sleeve being coated on outside the insulating layer.
7. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as claimed in claim 6, which is characterized in that described exhausted
Edge layer is using inorganic mica tape or ceramic band is wrapped forms.
8. a kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling as described in claim 1, which is characterized in that the gold
Category casing is seamless aluminum casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344407.9A CN110010284A (en) | 2019-04-26 | 2019-04-26 | A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344407.9A CN110010284A (en) | 2019-04-26 | 2019-04-26 | A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110010284A true CN110010284A (en) | 2019-07-12 |
Family
ID=67174422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910344407.9A Pending CN110010284A (en) | 2019-04-26 | 2019-04-26 | A kind of inorganic mineral insulation fire-resisting cable of fire-proof mud filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010284A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540525A (en) * | 2020-05-26 | 2020-08-14 | 安徽太平洋电缆股份有限公司 | Heat-insulating bottle type B1-grade light fireproof cable |
| CN113362995A (en) * | 2021-06-10 | 2021-09-07 | 安徽天康(集团)股份有限公司 | Mineral insulation carbon fiber reinforced flexible cable |
| CN113593757A (en) * | 2021-08-25 | 2021-11-02 | 金杯电工衡阳电缆有限公司 | Novel flexible mineral insulated cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130059771A (en) * | 2011-11-29 | 2013-06-07 | 엘에스전선 주식회사 | Fire resistant cable having mica tape coated silicone |
| CN204288880U (en) * | 2014-12-26 | 2015-04-22 | 广东天虹电缆有限公司 | A kind of flexible mineral matter fireproof cable |
| 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 |
| CN104715822A (en) * | 2015-03-17 | 2015-06-17 | 安徽太平洋电缆股份有限公司 | Inorganic mineral insulating waterproof cable with metal tube sleeve and processing method thereof |
| CN209912584U (en) * | 2019-04-26 | 2020-01-07 | 金杯电工衡阳电缆有限公司 | Inorganic mineral insulation fire-resistant cable filled with fireproof mud |
-
2019
- 2019-04-26 CN CN201910344407.9A patent/CN110010284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130059771A (en) * | 2011-11-29 | 2013-06-07 | 엘에스전선 주식회사 | Fire resistant cable having mica tape coated silicone |
| CN204288880U (en) * | 2014-12-26 | 2015-04-22 | 广东天虹电缆有限公司 | A kind of flexible mineral matter fireproof cable |
| 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 |
| CN104715822A (en) * | 2015-03-17 | 2015-06-17 | 安徽太平洋电缆股份有限公司 | Inorganic mineral insulating waterproof cable with metal tube sleeve and processing method thereof |
| CN209912584U (en) * | 2019-04-26 | 2020-01-07 | 金杯电工衡阳电缆有限公司 | Inorganic mineral insulation fire-resistant cable filled with fireproof mud |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540525A (en) * | 2020-05-26 | 2020-08-14 | 安徽太平洋电缆股份有限公司 | Heat-insulating bottle type B1-grade light fireproof cable |
| CN113362995A (en) * | 2021-06-10 | 2021-09-07 | 安徽天康(集团)股份有限公司 | Mineral insulation carbon fiber reinforced flexible cable |
| CN113593757A (en) * | 2021-08-25 | 2021-11-02 | 金杯电工衡阳电缆有限公司 | Novel flexible mineral insulated cable |
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