CN108206073A - Fire-resisting cable is pressed in a kind of novel flame-retardant A classes - Google Patents
Fire-resisting cable is pressed in a kind of novel flame-retardant A classes Download PDFInfo
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- CN108206073A CN108206073A CN201711458306.1A CN201711458306A CN108206073A CN 108206073 A CN108206073 A CN 108206073A CN 201711458306 A CN201711458306 A CN 201711458306A CN 108206073 A CN108206073 A CN 108206073A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/022—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of longitudinal lapped tape-conductors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/227—Pretreatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- 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
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- 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
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
-
- 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
- H01B7/185—Sheaths comprising internal cavities or channels
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- 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
-
- 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
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses press fire-resisting cable in a kind of novel flame-retardant A classes, including conductor, the periphery of the conductor sets gradually wrapped mica tape flame retardant coating, organosilane crosslinked polyethylene insulation layer, the conductor at least two, the at least two twisted conductors with organosilane crosslinked polyethylene insulation layer form core wire, set gradually polyester belt lapping layer and copper strips internal shield Component units core respectively every group of core wire periphery；At least two unit cores are twisted into cable core with filled layer, wrapped alkali-free glass fibre band belting layer, the total shielded layer of copper strips are set gradually outside the cable core, extrudes Ceramic silicon rubber liner layer, galvanized steel strip armor and flame retardant sheath layer, and between mutually fit closely.The configuration of the present invention is simple, novel in design, stable structure, fire protecting performance is good, has excellent heat-resisting, ageing-resistant, fire-retardant, insulation performance and electric property, has good social benefit, economic benefit and extensive market prospects.
Description
Technical field
The present invention relates to a kind of cable, fire-resisting cable is pressed in specially a kind of novel flame-retardant A classes, belongs to flame retardant cable technology
Field.
Background technology
The voltage class overwhelming majority of fireproof power cable product concentrates on 1kV and hereinafter, and some super-huge height at present
If layer building, the large-scale key project of country etc. use 0.6-1kV low voltage distribution cables, cable dosage and laying as usual
Installation workload, more usual building increase into decades of times, and cable laying space increases into several times, not only consumptive material, but also energy consumption；And
Cable laying is excessive, excessive in building, and adverse effect can be also brought to safe handling.Therefore, as these both need mesohigh
Power transmission and distribution require the occasion of flame-retardant that must just use medium voltage fire again.Existing middle pressure fire-resisting cable is in cable
Combination flame retardant coating is set outside core, due to the use of refractory material and unreasonable structure, cause current-carrying capacity of cable relatively low, cable occurs
Fever phenomenon；The outside diameter of cable is larger simultaneously makes troubles to laying installation, also increases product cost.
Therefore, it proposes to press fire-resisting cable in a kind of novel flame-retardant A classes regarding to the issue above.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides in a kind of novel flame-retardant A classes and press fire-resisting cable.
The present invention is achieved through the following technical solutions above-mentioned purpose, and fire-resisting cable is pressed in a kind of novel flame-retardant A classes, including
Conductor, the periphery of the conductor set gradually wrapped mica tape flame retardant coating, organosilane crosslinked polyethylene insulation layer, and the conductor is at least
Two, at least two twisted conductors with organosilane crosslinked polyethylene insulation layer form core wires, every group of core wire periphery respectively according to
Secondary setting polyester belt lapping layer and copper strips internal shield Component units core；At least two unit cores and filled layer twisted synthesizing cable
Core, the cable core set gradually wrapped alkali-free glass fibre band belting layer, the total shielded layer of copper strips, extrude in Ceramic silicon rubber outside
Lining, galvanized steel strip armor and flame retardant sheath layer, and between mutually fit closely；
The flame-proof cable sheath pipe, is made of the raw material of following parts by weight：
75-85 parts of ethylene -- octene copolymer,
0.6-0.8 parts of silane coupling agent,
1.5-1.8 parts of stearic acid,
3-5 parts of electrolytic zinc acid leaching slag,
30-40 parts of talcum powder,
3-4 parts of vulcanizing agent,
8-10 parts of carbon black,
4-6 parts of graphite,
2-5 parts of Arabic gum.
Preferably, the copper strips internal shield and the total shielded layer of copper strips are made using copper strips longitudinal wrap embossing technique
Shielded layer.
Preferably, the filled layer is using one kind in asbestos cord, glass cord, mineral and carbonate containing the crystallization water
Or multiple material mixes.
Preferably, the wrapped alkali-free glass fibre band belting layer, the total shielded layer of copper strips, extrude Ceramic silicon rubber liner
The thickness of layer, galvanized steel strip armor and flame retardant sheath layer is equal.
Preferably, the conductor is oxygen-free copper bar.
Preferably, the preparation method of the flame-proof cable sheath pipe, comprises the steps of：
Step 1：:In order with parts by weight mixed ethylene -- octene copolymer, silane coupling agent, stearic acid, electrolysis zincic acid
Then phase analysis, talcum powder and vulcanizing agent will mix all raw materials stirring terminated, be kneaded；
Step 2：Step 1 is kneaded to the raw material of end, sequentially adds carbon black, graphite and Arabic gum in sequence, is melted
After melting blending, sizing material is obtained；
Step 3：By the sizing material obtained by step 2 by double thread extruding machine, sizing material is transported to sizing head, machine by extruding machine
Modeling product is extruded into plastics by head；
Step 4：By the plastics obtained by step 3 by blanching unit, secondary drawing-die processing is carried out, then through overmolding, fixed
After diameter, traction and cutting, protecting pipe is obtained.
Preferably, the rotating speed that raw material stirs in the step 1 is 600r/min, time 20-30min.
Preferably, melting temperature is 170-190 DEG C in the step 2, and the blending time is 10-25min.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, novel in design, stable structure, fire protecting performance is good, and
Even if fire encounters water and nor affect on its operation when occurring, there is excellent heat-resisting, ageing-resistant, fire-retardant, insulation performance and electrical
Performance improves the shield effectiveness and bending property of cable, can effectively reduce electromagnetic interference between cable pair, has good society
Meeting benefit, economic benefit and extensive market prospects, are worth of widely use.Protecting pipe provided by the invention not only have both intensity and
The characteristics of toughness, and the excellent result in terms of flame retardant property.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention.
In figure：1st, core wire, 11, conductor, 12, wrapped mica tape flame retardant coating, 13, crosslinked polyetylene insulated layer, 2, unit wires
Core, 21, polyester belt lapping layer, 22, copper strips internal shield, 3, filled layer, 4, wrapped alkali-free glass fibre band belting layer, 5, copper strips
Total shielded layer, 6, liner layer, 7, galvanized steel strip armor, 8, flame retardant sheath layer.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, fire-resisting cable is pressed in a kind of novel flame-retardant A classes, and including conductor 11, the periphery of the conductor 11
Set gradually wrapped mica tape flame retardant coating 12, organosilane crosslinked polyethylene insulation layer 13, the conductor 11 at least two, at least two
The twisted conductor 1 with organosilane crosslinked polyethylene insulation layer 13 forms core wire 1, is set gradually respectively every group of 1 periphery of core wire poly-
Ester band 22 Component units core 2 of lapping layer 21 and copper strips internal shield；At least two unit cores 2 and 3 twisted synthesizing cable of filled layer
Core, the cable core set gradually wrapped alkali-free glass fibre band belting layer 4, the total shielded layer 5 of copper strips, extrude Ceramic silicon rubber outside
Liner layer 6, galvanized steel strip armor 7 and flame retardant sheath layer 8, and between mutually fit closely.
As a kind of technical optimization scheme of the present invention, the copper strips internal shield 22 and the total shielded layer 5 of copper strips are adopted
The shielded layer being made with copper strips longitudinal wrap embossing technique.
As a kind of technical optimization scheme of the present invention, the filled layer 3 uses asbestos cord, glass cord, containing crystallization
One or more of the mineral and carbonate of water material mixes.
As a kind of technical optimization scheme of the present invention, the wrapped alkali-free glass fibre band belting layer 4, copper strips always shield
Layer 5, to extrude Ceramic silicon rubber liner layer 6, galvanized steel strip armor 7 equal with the thickness of flame retardant sheath layer 8.
As a kind of technical optimization scheme of the present invention, the conductor 11 is oxygen-free copper bar.
Embodiment 1
The flame resistance protecting pipe of the present invention, is made of the raw material of following parts by weight：
75 parts of ethylene -- octene copolymer, 0.6 part of silane coupling agent, 1.5 parts of stearic acid, 3 parts of electrolytic zinc acid leaching slag, talcum
30 parts of powder, 3 parts of vulcanizing agent, 8 parts of carbon black, 4 parts of graphite, 2 parts of Arabic gum.
The raw material of above-mentioned parts by weight is carried out to the making of protecting pipe in accordance with the following steps：
Step 1：The raw material of following parts by weight is mixed in order：75 parts of ethylene -- octene copolymer, silane coupling agent 0.6
Then part, 1.5 parts of stearic acid, 3 parts of electrolytic zinc acid leaching slag, 30 parts of talcum powder, 3 parts of vulcanizing agent will mix all raw materials terminated
20min is stirred with the rotating speed of 600r/min, is kneaded；
Step 2：Step 1 is kneaded to the raw material of end, sequentially adds the raw material of following parts by weight in sequence：Carbon black 8
Part, 4 parts of graphite, 2 parts of Arabic gum melts at a temperature of 170 DEG C, after 10min is blended, obtains the stronger sizing material of stability；
Step 3：By the sizing material obtained by step 2 by double thread extruding machine, sizing material is transported to sizing head, machine by extruding machine
Modeling product is extruded into plastics by head；
Step 4：By the plastics obtained by step 3 by blanching unit, secondary drawing-die processing is carried out, then through overmolding, fixed
After diameter, traction and cutting, protecting pipe is obtained, the protecting pipe is then subjected to strength character and flame retardant property is tested, as a result such as table 1
It is shown.
Embodiment 2
A kind of flame resistance protecting pipe is made of the raw material of following parts by weight：
80 parts of ethylene -- octene copolymer, 0.7 part of silane coupling agent, 1.6 parts of stearic acid, 4 parts of electrolytic zinc acid leaching slag, talcum
35 parts of powder, 3.5 parts of vulcanizing agent, 9 parts of carbon black, 5 parts of graphite, 4 parts of Arabic gum.
The raw material of above-mentioned parts by weight is carried out to the making of protecting pipe in accordance with the following steps：
Step 1：The raw material of following parts by weight is mixed in order：80 parts of ethylene -- octene copolymer, silane coupling agent 0.7
Then part, 1.6 parts of stearic acid, 4 parts of electrolytic zinc acid leaching slag, 35 parts of talcum powder, 3.5 parts of vulcanizing agent will mix all originals terminated
Material stirs 25min with the rotating speed of 600r/min, is kneaded；
Step 2：Step 1 is kneaded to the raw material of end, sequentially adds the raw material of following parts by weight in sequence：Carbon black 9
Part, 5 parts of graphite melts at a temperature of 180 DEG C, after 18min is blended, obtains the stronger sizing material of stability；
Step 3：By the sizing material obtained by step 2 by double thread extruding machine, sizing material is transported to sizing head, machine by extruding machine
Modeling product is extruded into plastics by head；
Step 4：By the plastics obtained by step 3 by blanching unit, secondary drawing-die processing is carried out, then through overmolding, fixed
After diameter, traction and cutting, protecting pipe is obtained, the protecting pipe is then subjected to strength character and flame retardant property is tested, as a result such as table 1
It is shown.
Embodiment 3
A kind of flame resistance protecting pipe is made of the raw material of following parts by weight：
85 parts of ethylene -- octene copolymer, 0.8 part of silane coupling agent, 1.8 parts of stearic acid, 5 parts of electrolytic zinc acid leaching slag, talcum
40 parts of powder, 4 parts of vulcanizing agent, 10 parts of carbon black, 6 parts of graphite, 5 parts of Arabic gum.
The invention also includes the production method of above-mentioned flame resistance protecting pipe, step is as follows：
Step 1：The raw material of following parts by weight is mixed in order：85 parts of ethylene -- octene copolymer, silane coupling agent 0.8
Then part, 1.8 parts of stearic acid, 5 parts of electrolytic zinc acid leaching slag, 40 parts of talcum powder, 4 parts of vulcanizing agent will mix all raw materials terminated
30min is stirred with the rotating speed of 600r/min, is kneaded；
Step 2：Step 1 is kneaded to the raw material of end, sequentially adds the raw material of following parts by weight in sequence：Carbon black 10
Part, 6 parts of graphite, 5 parts of Arabic gum melts at a temperature of 190 DEG C, after 25min is blended, obtains the stronger sizing material of stability；
Step 3：By the sizing material obtained by step 2 by double thread extruding machine, sizing material is transported to sizing head, machine by extruding machine
Modeling product is extruded into plastics by head；
Step 4：By the plastics obtained by step 3 by blanching unit, secondary drawing-die processing is carried out, then through overmolding, fixed
After diameter, traction and cutting, the protecting pipe is then subjected to strength character and flame retardant property is tested, the results are shown in Table 1.
" electrolytic zinc acid leaching slag " refers to the electrolytic zinc acid leaching slag that zinc hydrometallurgy is discharged, contains in this electrolytic zinc acid leaching slag
There are a large amount of inorganic ions, zinc silicate, copper, lead, silicon, iron, calcium, magnesium.This electrolytic zinc acid leaching slag belongs at present be easy to cause ring
The waste product of border pollution, the present invention in protecting pipe raw material composition by adding a certain proportion of electrolytic zinc acid leaching slag, to enhance shield
The intensity of casing.
Arabic gum derives from a wealth of sources, cheap, and generation preferably resistance can be cooperateed in the material combination of protecting pipe
Fuel efficiency fruit.
Due to using above-mentioned preparation method, the raw material of cable sheath tube is by reaction, mutually collaboration, the shield so as to make
Casing has high intensity and high flame retardant.So that the cable sheath tube tensile strength of the present invention is in more than 28MPa, elongation at break
More than 770%, for oxygen index (OI) more than 37, flame retardant property reaches A grades, and it is strong to have both significant significant intensity high flame resistance
Feature；Meanwhile the waste electrolytic zinc acid leaching slag to damage to environment has been recycled, reduce environmental pollution, reduce
Production cost has significant economic benefit and environmental benefit.
Strength character and flame retardant property test
Testing standard：According to the drawing of the protecting pipe obtained by the standard testing embodiment of the present invention 1-3 of GB/T1040.1-2006
Stretch intensity and elongation at break；According to the oxygen of the protecting pipe obtained by the standard testing embodiment of the present invention 1-3 of GB/T2406-1993
Index；According to the flame retardant rating of the protecting pipe obtained by the standard testing embodiment of the present invention 1-3 of GB12666.5；Its result such as table 1
It is shown.
1 strength character of table and flame retardant property test result：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Tensile strength (MPa) | 28 | 29 | 36 |
| Elongation at break (%) | 770 | 800 | 860 |
| Oxygen index (OI) | 37 | 37 | 39 |
| Flame retardant rating | A | A | A |
As it can be seen from table 1 the product of above-described embodiment, the characteristics of significant intensity high flame resistance is strong is had both.
In the use of the present invention, the conducting wire that conductor material is formed for oxygen-free copper bar drawing, conducting wire process, which uses, presses structure,
Make its surfacing, mica tape flame retardant coating can closely be attached to conductive surface, be conducive to electric fields uniform distribution, reduce cost；
Setting flame retardant coating outside cable conductor, effect are when fire occurs, and insulating layer and flame retardant sheath layer are by fiery situation about having burnt
Under, the mica tape on conductor generates insoluble white stiff shell silica after meeting fire, has good insulating properties
Can, and with certain mechanical strength and water-fast, to ensure ignition of cable when keeps the safe operation of certain time；Wrapped mica
During band, priority control mica tape broadband, wrapping angle and tension ensure that Mica tape is smooth, close；Using irradiation crosslinkable silane
Join polyethylene layer, improve the heat-resisting, ageing-resistant, fire-retardant of product, insulation performance and electric property；By designing fire-retardant fill out
It fills outside layer, cable core and wrapped alkali-free glass fibre is set with belting layer, Ceramic silicon rubber liner layer and halogen-free flameproof oversheath
Structure makes the flame retardant property of product reach A classes, while has excellent fire resistance；Using the pair twist unit of different pitches, drop
Cross-talk between low line pair；Unit shielded layer (separated-shielding) improves the shielding effect of cable using copper strips longitudinal wrap embossing technique
Fruit and bending property can effectively reduce electromagnetic interference between cable pair；Cable core always shielding effectively reduces cable and ambient enviroment is produced
Raw electromagnetic interference or ambient enviroment generate interference to cable；Using steel-tape armouring, product mechanical performance is improved, is enhanced simultaneously
The gear fire flame retardant property of product.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. fire-resisting cable is pressed in a kind of novel flame-retardant A classes, including conductor (11), it is characterised in that：The periphery of the conductor (11)
Set gradually wrapped mica tape flame retardant coating (12), organosilane crosslinked polyethylene insulation layer (13), the conductor (1) at least two, until
Few two twisted conductors (11) with organosilane crosslinked polyethylene insulation layer (13) form core wire (1), every group of core wire (1) periphery
Polyester belt lapping layer (21) and copper strips internal shield (22) Component units core (2) are set gradually respectively；At least two unit wires
Core (2) is twisted into cable core with filled layer (3), and wrapped alkali-free glass fibre band belting layer (4), copper strips are set gradually outside the cable core
Total shielded layer (5) extrudes Ceramic silicon rubber liner layer (6), galvanized steel strip armor (7) and flame retardant sheath layer (8), and between
Mutually fit closely；
The flame-proof cable sheath pipe, is made of the raw material of following parts by weight：
75-85 parts of ethylene -- octene copolymer,
0.6-0.8 parts of silane coupling agent,
1.5-1.8 parts of stearic acid,
3-5 parts of electrolytic zinc acid leaching slag,
30-40 parts of talcum powder,
3-4 parts of vulcanizing agent,
8-10 parts of carbon black,
4-6 parts of graphite,
2-5 parts of Arabic gum.
2. press fire-resisting cable in novel flame-retardant A classes according to claim 1, it is characterised in that：The copper strips internal shield
(22) and the total shielded layer of copper strips (5) is the shielded layer being made using copper strips longitudinal wrap embossing technique.
3. press fire-resisting cable in novel flame-retardant A classes according to claim 1, it is characterised in that：The filled layer (3) uses
In asbestos cord, glass cord, mineral and carbonate containing the crystallization water or multiple material mixes.
4. press fire-resisting cable in novel flame-retardant A classes according to claim 1, it is characterised in that：The wrapped alkali-free glass
Fiber band belting layer (4), the total shielded layer of copper strips (5), extrude Ceramic silicon rubber liner layer (6), galvanized steel strip armor (7) and
The thickness of flame retardant sheath layer (8) is equal.
5. press fire-resisting cable in novel flame-retardant A classes according to claim 1, it is characterised in that：The conductor (11) is nothing
Oxygen copper bar.
6. press fire-resisting cable in novel flame-retardant A classes according to claim 1, it is characterised in that：The flame-proof cable sheath
The preparation method of pipe, comprises the steps of：
Step 1：:In order with parts by weight mixed ethylene -- octene copolymer, silane coupling agent, stearic acid, electrolytic zinc acid leaching slag,
Then talcum powder and vulcanizing agent will mix all raw materials stirring terminated, be kneaded；
Step 2：Step 1 is kneaded to the raw material of end, sequentially adds carbon black, graphite and Arabic gum in sequence, melting is altogether
After mixed, sizing material is obtained；
Step 3：By the sizing material obtained by step 2 by double thread extruding machine, sizing material is transported to sizing head by extruding machine, and head will
Modeling product is extruded into plastics；
Step 4：By the plastics obtained by step 3 by blanching unit, carry out secondary drawing-die processing, then through overmolding, sizing, lead
After drawing and cutting, protecting pipe is obtained.
7. press fire-resisting cable in novel flame-retardant A classes according to claim 5, it is characterised in that：Raw material stirs in the step 1
The rotating speed mixed is 600r/min, time 20-30min.
8. the production method of flame-proof cable sheath pipe according to claim 5, it is characterised in that：It is melted in the step 2
Temperature is 170-190 DEG C, and the blending time is 10-25min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458306.1A CN108206073A (en) | 2017-12-28 | 2017-12-28 | Fire-resisting cable is pressed in a kind of novel flame-retardant A classes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458306.1A CN108206073A (en) | 2017-12-28 | 2017-12-28 | Fire-resisting cable is pressed in a kind of novel flame-retardant A classes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108206073A true CN108206073A (en) | 2018-06-26 |
Family
ID=62606161
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458306.1A Pending CN108206073A (en) | 2017-12-28 | 2017-12-28 | Fire-resisting cable is pressed in a kind of novel flame-retardant A classes |
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| Country | Link |
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| CN (1) | CN108206073A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627609A (en) * | 2020-06-05 | 2020-09-04 | 苏州首控光伏电力开发有限公司 | A anticorrosive temperature-resistant type high-voltage cable for electric power |
| CN112679818A (en) * | 2020-11-24 | 2021-04-20 | 浙江亘古电缆股份有限公司 | Environment-friendly cable based on recovered plant ash and electrolytic zinc acid leaching residues |
| CN113410002A (en) * | 2021-06-29 | 2021-09-17 | 友光电线电缆有限公司 | Preparation process of cable with flame-retardant and heat-insulation functions |
| CN114188080A (en) * | 2021-11-17 | 2022-03-15 | 江苏通鼎光电科技有限公司 | Temperature-resistant fireproof rail transit axle counting cable and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105237867A (en) * | 2014-04-21 | 2016-01-13 | 赵月 | Cable sheath tube preparation method |
| CN205028678U (en) * | 2015-09-28 | 2016-02-10 | 四川新蓉电缆有限责任公司 | Medium voltage fireproof cable |
-
2017
- 2017-12-28 CN CN201711458306.1A patent/CN108206073A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105237867A (en) * | 2014-04-21 | 2016-01-13 | 赵月 | Cable sheath tube preparation method |
| CN205028678U (en) * | 2015-09-28 | 2016-02-10 | 四川新蓉电缆有限责任公司 | Medium voltage fireproof cable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627609A (en) * | 2020-06-05 | 2020-09-04 | 苏州首控光伏电力开发有限公司 | A anticorrosive temperature-resistant type high-voltage cable for electric power |
| CN112679818A (en) * | 2020-11-24 | 2021-04-20 | 浙江亘古电缆股份有限公司 | Environment-friendly cable based on recovered plant ash and electrolytic zinc acid leaching residues |
| CN113410002A (en) * | 2021-06-29 | 2021-09-17 | 友光电线电缆有限公司 | Preparation process of cable with flame-retardant and heat-insulation functions |
| CN113410002B (en) * | 2021-06-29 | 2022-05-06 | 友光电线电缆有限公司 | Preparation process of cable with flame-retardant and heat-insulation functions |
| CN114188080A (en) * | 2021-11-17 | 2022-03-15 | 江苏通鼎光电科技有限公司 | Temperature-resistant fireproof rail transit axle counting cable and manufacturing method thereof |
| CN114188080B (en) * | 2021-11-17 | 2024-01-09 | 江苏通鼎光电科技有限公司 | Temperature-resistant fireproof type track traffic axle counting cable and manufacturing method thereof |
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Application publication date: 20180626 |