CN107293358A - A kind of electric wire - Google Patents

A kind of electric wire Download PDF

Info

Publication number
CN107293358A
CN107293358A CN201710529950.7A CN201710529950A CN107293358A CN 107293358 A CN107293358 A CN 107293358A CN 201710529950 A CN201710529950 A CN 201710529950A CN 107293358 A CN107293358 A CN 107293358A
Authority
CN
China
Prior art keywords
parts
layer
electric wire
flame retardant
feeding
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.)
Withdrawn
Application number
CN201710529950.7A
Other languages
Chinese (zh)
Inventor
杨攀
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710529950.7A priority Critical patent/CN107293358A/en
Publication of CN107293358A publication Critical patent/CN107293358A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • 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
    • H01B7/0225—Three or more 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • 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
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3241—Chromium oxides, chromates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/386—Boron nitrides
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)

Abstract

The present invention discloses a kind of electric wire; including matcoveredn; the protective layer is provided with three layers; it is external protection, flame retardant coating and first screen layer respectively from outside to inside; the external protection, flame retardant coating and the integrated setting of first screen layer, the protective layer are internally provided with the cable main of more than one, and the cable main is provided with four layers; it is insulating barrier, the first enhancement layer, secondary shielding layer and conductor respectively from outside to inside, the second enhancement layer is provided between the cable main and protective layer；Electric wire design is simple, intensity is high, electrostatic screen function is strong, fire resistance is good and insulation effect is good.

Description

A kind of electric wire
Technical field
The present invention relates to a kind of electric wire.
Background technology
At present, general electric wire generally comprises wire, sheath, armor and outer jacket from inside to outside, common electricity Line cable does not have armor, and the general electric wire without armor occurs galling in use, often, reveals skin, electric leakage Failure, causes the wire of electric wire also very new, and sheath premature aging, directly influences service life and the people of electric wire Body safety, causes the wasting of resources.Using the fire-resistant wire and cable of traditional material, it can only ensure in flame condition in certain time Its normal power supply is maintained, the state can not be drenched bearing water, hit normally is run.Trace it to its cause be under flame condition, it is resistance to High-temperature agglomerant has lost its caking property, and glass fabric has lost adhesion between its mechanical strength, mica flake Considerably loose, under the conditions of water pouring, the insulaion resistance of mica tape structure fire resistance layer drastically declines, and is unable to maintain that exhausted between line Edge resistance and there is short circuit.When there is mechanical impact, oneself the mica band structure through burning fairly loose become it is more loose and Come off, can not also keep its insulating properties.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind design is simple, intensity is high, electrostatic screen function is strong, fire resistance It can get well and the good electric wire of insulation effect.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of electric wire, including matcoveredn, the protective layer are provided with three layers, are outer protection respectively from outside to inside Layer, flame retardant coating and first screen layer, the external protection, flame retardant coating and the integrated setting of first screen layer, the protective layer The cable main of more than one is internally provided with, the cable main is provided with four layers, is insulating barrier, first respectively from outside to inside Enhancement layer, secondary shielding layer and conductor, are provided with the second enhancement layer between the cable main and protective layer, the flame retardant coating by 30-50 parts of the kaolin matched by weight, 20-24 parts of boric acid, 18-20 parts of sodium metasilicate, 28-30 parts of bauxite, boron nitride 16-18 parts, 8-20 parts of silica 1,23-30 parts of mullite, 22-24 parts of carborundum, 12-16 parts of corundum, magnesia 16-18 Part, 12-14 parts of calcium oxide, 16-20 parts of chromium oxide, 12-16 parts of dicalcium silicate, 12-16 parts of tricalcium silicate and 16-18 parts of zirconium silicate It is made.
Further, the external protection is resin insulating barrier, improves the insulation effect of electric wire.
Further, second enhancement layer is internally provided with the reinforcement of one or more, improves the strong of electric wire Degree.
Further, rubber layer is provided between the conductor and secondary shielding layer, improves the insulation effect of electric wire Really.
Further, the external protection surface is provided with waterproof membrane, prevents electric wire by raindrop erosion.
Further, fluorescence coating is provided between the external protection and flame retardant coating, when the surface wear of electric wire Than it is more serious when, it is observed that there is fluorescence, change in time.
Further, scale is provided with the external protection, beneficial to the length for calculating electric wire.
The manufacture method of flame retardant coating, includes following steps：
1) take in 30-50 parts of feeding calcining furnaces of kaolin, calcining heat is gradually raised to 1100 DEG C, heating rate from 880 DEG C For 10 DEG C/min, then calcined again at 1100 DEG C 2 hours, be incubated 2 hours, natural cooling discharging is standby；
2) take in 28-30 parts of feeding airslide disintegrating mills of bauxite and be ground into 200nm-300nm powder, then add boric acid In 20-24 parts and 18-20 parts of sodium metasilicate, feeding heater, temperature rises to 500-600 DEG C, continues 1-2 hours, standby；
3) take and be ground into 23-30 parts of mullite, 22-24 parts of carborundum and 12-16 parts of corundum feeding airslide disintegrating mills Grain, is re-fed into mixer, stirs, standby；
4) by step 1), step 2) and step 3) in obtained raw material feeding mixer, stir, send into melting furnace In, temperature rises to 900-1000 DEG C, continues 2-3 hours, standby；
5) take in 16-18 parts of magnesia, 16-20 parts of feeding heaters of 12-14 parts of calcium oxide and chromium oxide, temperature rises to 60-80 DEG C, then 16-18 parts of 12-16 parts of dicalcium silicate, 12-16 parts of tricalcium silicate and zirconium silicate are added, room temperature is naturally cooled to, It is standby；
6) by step 5) in obtained material feeding step 4) in, temperature rises to 1000-1200 DEG C, continues 3-5 hours, obtains It is standby to fused mass；
7) by step 6) in fused mass injection mould in cast maintenance 12 hours be stripped, then normal temperature conserve five days, you can system Obtain the flame retardant coating of electric wire.
Beneficial effects of the present invention are：Electric wire design is simple, by being provided with first screen layer and secondary shielding Layer, enhances the electrostatic screen function of electric wire in itself；By being provided with flame retardant coating, the fire resistance of electric wire is improved Energy；By being provided with insulating barrier, the insulation fruit of electric wire is improved；By being provided with the first enhancement layer and the second enhancement layer, Substantially increase the intensity of electric wire.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electric wire of the invention.
Embodiment
Embodiment one
A kind of electric wire, including matcoveredn 1, the protective layer 1 are provided with three layers, are outer protection respectively from outside to inside Layer 2, flame retardant coating 3 and first screen layer 4, the external protection 2, flame retardant coating 3 and the integrated setting of first screen layer 4 are described Protective layer 1 is internally provided with the cable main 6 of more than one, and the cable main 6 is provided with four layers, is exhausted respectively from outside to inside Edge layer 10, the first enhancement layer 9, secondary shielding layer 8 and conductor 1, are provided with second and add between the cable main 6 and protective layer 1 Strong layer 5, the flame retardant coating 3 by match by weight 30 parts of 20 parts of 24 parts of 30 parts of kaolin, boric acid, sodium metasilicate, bauxite, 18 parts of boron nitride, 20 parts of silica, 30 parts of mullite, 24 parts of carborundum, 16 parts of corundum, 18 parts of magnesia, 14 parts of calcium oxide, 18 parts of 20 parts of chromium oxide, 16 parts of dicalcium silicate, 16 parts of tricalcium silicate and zirconium silicate are made.
The external protection 2 is resin insulating barrier, improves the insulation effect of electric wire.
Second enhancement layer 5 is internally provided with the reinforcement (not shown) of one or more, improves the strong of electric wire Degree.
Rubber layer (not shown) is provided between the conductor 7 and secondary shielding layer 8, the insulation effect of electric wire is improved Really.
The surface of external protection 2 is provided with waterproof membrane (not shown), prevents electric wire by raindrop erosion.
Fluorescence coating (not shown) is provided between the external protection 2 and flame retardant coating 3, when the surface wear of electric wire Than it is more serious when, it is observed that there is fluorescence, change in time.
Scale (not shown) is provided with the external protection 2, beneficial to the length for calculating electric wire.
The manufacture method of flame retardant coating 3, includes following steps：
1) take in 30 parts of feeding calcining furnaces of kaolin, calcining heat is gradually raised to 1100 DEG C from 880 DEG C, and heating rate is 10 DEG C/min, then calcined again at 1100 DEG C 2 hours, be incubated 2 hours, natural cooling discharging is standby；
2) take in 30 parts of feeding airslide disintegrating mills of bauxite and be ground into 200nm-300nm powder, then add 24 parts of boric acid With 20 parts of sodium metasilicate, in feeding heater, temperature rises to 500-600 DEG C, continues 1-2 hours, standby；
3) take in 30 parts of mullite, 16 parts of feeding airslide disintegrating mills of 24 parts of carborundum and corundum and be ground into particle, be re-fed into In mixer, stir, it is standby；
4) by step 1), step 2) and step 3) in obtained raw material feeding mixer, stir, send into melting furnace In, temperature rises to 900-1000 DEG C, continues 2-3 hours, standby；
5) take in 18 parts of magnesia, 20 parts of feeding heaters of 14 parts of calcium oxide and chromium oxide, temperature rises to 60-80 DEG C, then 18 parts of 16 parts of dicalcium silicate, 16 parts of tricalcium silicate and zirconium silicate are added, room temperature is naturally cooled to, it is standby；
6) by step 5) in obtained material feeding step 4) in, temperature rises to 1000-1200 DEG C, continues 3-5 hours, obtains It is standby to fused mass；
7) by step 6) in fused mass injection mould in cast maintenance 12 hours be stripped, then normal temperature conserve five days, you can system Obtain the flame retardant coating 3 of electric wire.
Embodiment two
A kind of electric wire, including matcoveredn 1, the protective layer 1 are provided with three layers, are outer protection respectively from outside to inside Layer 2, flame retardant coating 3 and first screen layer 4, the external protection 2, flame retardant coating 3 and the integrated setting of first screen layer 4 are described Protective layer 1 is internally provided with the cable main 6 of more than one, and the cable main 6 is provided with four layers, is exhausted respectively from outside to inside Edge layer 10, the first enhancement layer 9, secondary shielding layer 8 and conductor 7, are provided with second and add between the cable main 6 and protective layer 1 Strong layer 5, the flame retardant coating 3 by match by weight 29 parts of 19 parts of 22 parts of 40 parts of kaolin, boric acid, sodium metasilicate, bauxite, 17 parts of boron nitride, 9 parts of silica 1,26.5 parts of mullite, 23 parts of carborundum, 14 parts of corundum, 17 parts of magnesia, calcium oxide 13 Part, 18 parts of chromium oxide, 14 parts of dicalcium silicate, 14 parts of tricalcium silicate and 17 parts of zirconium silicate are made.
The external protection 2 is resin insulating barrier, improves the insulation effect of electric wire.
Second enhancement layer 5 is internally provided with the reinforcement (not shown) of one or more, improves the strong of electric wire Degree.
Rubber layer (not shown) is provided between the conductor 7 and secondary shielding layer 8, the insulation effect of electric wire is improved Really.
The surface of external protection 2 is provided with waterproof membrane (not shown), prevents electric wire by raindrop erosion.
Fluorescence coating (not shown) is provided between the external protection 2 and flame retardant coating 3, when the surface wear of electric wire Than it is more serious when, it is observed that there is fluorescence, change in time.
Scale (not shown) is provided with the external protection 2, beneficial to the length for calculating electric wire.
The manufacture method of flame retardant coating 3, includes following steps：
1) take in 40 parts of feeding calcining furnaces of kaolin, calcining heat is gradually raised to 1100 DEG C from 880 DEG C, and heating rate is 10 DEG C/min, then calcined again at 1100 DEG C 2 hours, be incubated 2 hours, natural cooling discharging is standby；
2) take in 29 parts of feeding airslide disintegrating mills of bauxite and be ground into 200nm-300nm powder, then add 22 parts of boric acid With 19 parts of sodium metasilicate, in feeding heater, temperature rises to 500-600 DEG C, continues 1-2 hours, standby；
3) take in 26.5 parts of mullite, 14 parts of feeding airslide disintegrating mills of 23 parts of carborundum and corundum and be ground into particle, then send Enter in mixer, stir, it is standby；
4) by step 1), step 2) and step 3) in obtained raw material feeding mixer, stir, send into melting furnace In, temperature rises to 900-1000 DEG C, continues 2-3 hours, standby
5) take in 17 parts of magnesia, 18 parts of feeding heaters of 13 parts of calcium oxide and chromium oxide, temperature rises to 60-80 DEG C, then 17 parts of 14 parts of dicalcium silicate, 14 parts of tricalcium silicate and zirconium silicate are added, room temperature is naturally cooled to, it is standby；
6) by step 5) in obtained material feeding step 4) in, temperature rises to 1000-1200 DEG C, continues 3-5 hours, obtains It is standby to fused mass；
7) by step 6) in fused mass injection mould in cast maintenance 12 hours be stripped, then normal temperature conserve five days, you can system Obtain 3 flame retardant coatings of electric wire.
Embodiment three
A kind of electric wire, including matcoveredn 1, the protective layer are provided with three layers, are outer protection respectively from outside to inside Layer 2, flame retardant coating 3 and first screen layer 4, the external protection 2, flame retardant coating 3 and the integrated setting of first screen layer 4 are described Protective layer 1 is internally provided with the cable main 6 of more than one, and the cable main 6 is provided with four layers, is exhausted respectively from outside to inside Edge layer 10, the first enhancement layer 9, secondary shielding layer 8 and conductor 7, are provided with second and add between the cable main 6 and protective layer 1 Strong layer 5, the flame retardant coating 3 by match by weight 28 parts of 18 parts of 20 parts of 50 parts of kaolin, boric acid, sodium metasilicate, bauxite, 16 parts of boron nitride, 8 parts of silica 1,23 parts of mullite, 22 parts of carborundum, 12 parts of corundum, 16 parts of magnesia, 12 parts of calcium oxide, 16 parts of 16 parts of chromium oxide, 12 parts of dicalcium silicate, 12 parts of tricalcium silicate and zirconium silicate are made.
The external protection 2 is resin insulating barrier, improves the insulation effect of electric wire.
Second enhancement layer 5 is internally provided with the reinforcement (not shown) of one or more, improves the strong of electric wire Degree.
Rubber layer (not shown) is provided between the conductor 7 and secondary shielding layer 8, the insulation effect of electric wire is improved Really.
The surface of external protection 2 is provided with waterproof membrane (not shown), prevents electric wire by raindrop erosion.
Fluorescence coating (not shown) is provided between the external protection 2 and flame retardant coating 3, when the surface wear of electric wire Than it is more serious when, it is observed that there is fluorescence, change in time.
Scale (not shown) is provided with the external protection 2, beneficial to the length for calculating electric wire.
The manufacture method of flame retardant coating 3, includes following steps：
1) take in 50 parts of feeding calcining furnaces of kaolin, calcining heat is gradually raised to 1100 DEG C from 880 DEG C, and heating rate is 10 DEG C/min, then calcined again at 1100 DEG C 2 hours, be incubated 2 hours, natural cooling discharging is standby；
2) take in 28 parts of feeding airslide disintegrating mills of bauxite and be ground into 200nm-300nm powder, then add 20 parts of boric acid With 18 parts of sodium metasilicate, in feeding heater, temperature rises to 500-600 DEG C, continues 1-2 hours, standby；
3) take in 23 parts of mullite, 12 parts of feeding airslide disintegrating mills of 22 parts of carborundum and corundum and be ground into particle, be re-fed into In mixer, stir, it is standby；
4) by step 1), step 2) and step 3) in obtained raw material feeding mixer, stir, send into melting furnace In, temperature rises to 900-1000 DEG C, continues 2-3 hours, standby
5) take in 16 parts of magnesia, 16 parts of feeding heaters of 12 parts of calcium oxide and chromium oxide, temperature rises to 60-80 DEG C, then 16 parts of 12 parts of dicalcium silicate, 12 parts of tricalcium silicate and zirconium silicate are added, room temperature is naturally cooled to, it is standby；
6) by step 5) in obtained material feeding step 4) in, temperature rises to 1000-1200 DEG C, continues 3-5 hours, obtains It is standby to fused mass；
7) by step 6) in fused mass injection mould in cast maintenance 12 hours be stripped, then normal temperature conserve five days, you can system Obtain the flame retardant coating 3 of electric wire.
Experimental example
From the electric wire and common electric wire of the present invention, it is divided into experimental group and common group, observes two groups of electric wires Cable uses the situation after three months.
Comparing result see the table below：
As can be seen here, electric wire of the invention is durable, good insulating and intensity are high, compared with common electric wire, It is obviously improved in performance.
Beneficial effects of the present invention are：Electric wire design is simple, by being provided with first screen layer and secondary shielding Layer, enhances the electrostatic screen function of electric wire in itself；By being provided with flame retardant coating, the fire resistance of electric wire is improved Energy；By being provided with insulating barrier, the insulation effect of electric wire is improved；Strengthened by being provided with the first enhancement layer and second Layer, substantially increases the intensity of electric wire.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, should all cover within the scope of the present invention.

Claims (4)

1. a kind of electric wire, it is characterised in that：Including matcoveredn, the protective layer is provided with three layers, distinguishes from outside to inside It is external protection, flame retardant coating and first screen layer, the external protection, flame retardant coating and the integrated setting of first screen layer, institute The cable main that protective layer is internally provided with more than one is stated, the cable main is provided with four layers, is exhausted respectively from outside to inside Edge layer, the first enhancement layer, secondary shielding layer and conductor, are provided with the second enhancement layer, institute between the cable main and protective layer Flame retardant coating is stated by 30 parts of 20 parts of 24 parts of 30 parts of kaolin, boric acid, sodium metasilicate, the bauxite, the boron nitride 18 that match by weight Part, 20 parts of silica, 30 parts of mullite, 24 parts of carborundum, 16 parts of corundum, 18 parts of magnesia, 14 parts of calcium oxide, chromium oxide 20 Part, 16 parts of dicalcium silicate, 16 parts of tricalcium silicate and 18 parts of zirconium silicate are made, and the external protection surface is provided with waterproof membrane, institute State and fluorescence coating is provided between external protection and flame retardant coating, scale, the manufacture of the flame retardant coating are provided with the external protection Method, includes following steps：
1) taking in 30 parts of kaolin feeding calcining furnaces, calcining heat is gradually raised to 1100 DEG C from 880 DEG C, heating rate is 10 DEG C/ Min, is then calcined 2 hours again at 1100 DEG C, is incubated 2 hours, natural cooling discharging, standby；
2) take in 30 parts of feeding airslide disintegrating mills of bauxite and be ground into 200nm-300nm powder, then add 24 parts of boric acid and silicon In sour 20 parts of sodium, feeding heater, temperature rises to 500-600 DEG C, continues 1-2 hours, standby；
3) take in 30 parts of mullite, 16 parts of feeding airslide disintegrating mills of 24 parts of carborundum and corundum and be ground into particle, be re-fed into stirring In machine, stir, it is standby；
4) by step 1), step 2) and step 3) in obtained raw material feeding mixer, stir, in feeding melting furnace, Temperature rises to 900-1000 DEG C, continues 2-3 hours, standby；
5) take in 18 parts of magnesia, 20 parts of feeding heaters of 14 parts of calcium oxide and chromium oxide, temperature rises to 60-80 DEG C, then adds 18 parts of 16 parts of dicalcium silicate, 16 parts of tricalcium silicate and zirconium silicate, naturally cool to room temperature, standby；
6) by step 5) in obtained material feeding step 4) in, temperature rises to 1000-1200 DEG C, continues 3-5 hours, is melted Melt thing, it is standby；
7) by step 6) in fused mass injection mould in cast maintenance 12 hours be stripped, then normal temperature conserve five days, you can be made electricity The flame retardant coating of line cable.
2. a kind of electric wire as claimed in claim 1, it is characterised in that：The external protection is resin insulating barrier.
3. a kind of electric wire as claimed in claim 1, it is characterised in that：Second enhancement layer be internally provided with one with On reinforcement.
4. a kind of electric wire as claimed in claim 1, it is characterised in that：It is provided between the conductor and secondary shielding layer Rubber layer.
CN201710529950.7A 2016-02-25 2016-02-25 A kind of electric wire Withdrawn CN107293358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710529950.7A CN107293358A (en) 2016-02-25 2016-02-25 A kind of electric wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710529950.7A CN107293358A (en) 2016-02-25 2016-02-25 A kind of electric wire
CN201610108954.3A CN105513693B (en) 2016-02-25 2016-02-25 A kind of electric wire

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610108954.3A Division CN105513693B (en) 2016-02-25 2016-02-25 A kind of electric wire

Publications (1)

Publication Number Publication Date
CN107293358A true CN107293358A (en) 2017-10-24

Family

ID=55721604

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201610108954.3A Active CN105513693B (en) 2016-02-25 2016-02-25 A kind of electric wire
CN201710529950.7A Withdrawn CN107293358A (en) 2016-02-25 2016-02-25 A kind of electric wire
CN201710529948.XA Withdrawn CN107331458A (en) 2016-02-25 2016-02-25 A kind of electric wire
CN201710529946.0A Withdrawn CN107274988A (en) 2016-02-25 2016-02-25 A kind of electric wire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201610108954.3A Active CN105513693B (en) 2016-02-25 2016-02-25 A kind of electric wire

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201710529948.XA Withdrawn CN107331458A (en) 2016-02-25 2016-02-25 A kind of electric wire
CN201710529946.0A Withdrawn CN107274988A (en) 2016-02-25 2016-02-25 A kind of electric wire

Country Status (1)

Country Link
CN (4) CN105513693B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110570983A (en) * 2019-08-09 2019-12-13 江苏瑞扬线缆有限公司 high-temperature-resistant aerial insulated cable and preparation method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107578849A (en) * 2016-04-26 2018-01-12 夏立中 A kind of waterproof layer of power cable
CN106373654A (en) * 2016-10-31 2017-02-01 耒阳星宇电线电缆有限公司 Fireproof and durable electric wire cable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001093346A (en) * 1999-09-28 2001-04-06 Totoku Electric Co Ltd Coaxial mixed flexible flat cable and its manufacturing method
US6864199B2 (en) * 2003-02-07 2005-03-08 Allied Mineral Products, Inc. Crack-resistant dry refractory
CN204029441U (en) * 2014-07-05 2014-12-17 施婉娟 A kind of high temperature-resistant cable
CN105304195B (en) * 2015-11-10 2017-08-25 长沙理工大学 A kind of durable security cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110570983A (en) * 2019-08-09 2019-12-13 江苏瑞扬线缆有限公司 high-temperature-resistant aerial insulated cable and preparation method thereof

Also Published As

Publication number Publication date
CN105513693B (en) 2017-11-14
CN107331458A (en) 2017-11-07
CN107274988A (en) 2017-10-20
CN105513693A (en) 2016-04-20

Similar Documents

Publication Publication Date Title
CN105513693B (en) A kind of electric wire
CN109082122B (en) Normal-temperature heat conduction-high-temperature heat insulation ceramizable high polymer material and preparation method thereof
CN103571210A (en) Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof
CN106782818A (en) A kind of Anti-vibration cable
CN103236294A (en) Ceramifiable silicon rubber composite belt
CN106935324A (en) A kind of nanometer high temperature fire protection flame retarding cable and preparation method thereof
CN107564606A (en) A kind of copper core aluminium sheath inorganic insulation flexible fire-retardant cable
CN101475312B (en) Copper seal powdered glass, as well as preparation and application thereof
CN102681115B (en) Fire-resistant heat-insulating belt for optical fiber cable
CN109727712A (en) A kind of inorganic mineral insulation flexible fire-proof cable
CN108711468A (en) A kind of fireproof environmental cable and its production technology
CN104109366B (en) A kind of CABLE MATERIALS filler and preparation method thereof
CN103345959B (en) Water and fire bearing ceramic silicone rubber composite tape
CN105845214A (en) Household electric wire cable
CN106186640B (en) A kind of kiln heating system producing continuous basalt fiber
CN104505154B (en) Ceramic fire-proof insulation cable and the preparation method of insulating layer material
CN105047268B (en) Inorganic fireproof covering type mineral insulative soft fireproof cable
CN209843342U (en) High-insulation fireproof cable
CN209607444U (en) A kind of high current carring cable of speed heat dissipation
CN107057365A (en) Flame retardant type fire-resisting cable is with can porcelain SiClx rubber and preparation method thereof
CN105860382A (en) Low-smoke zero-halogen medium-voltage power cable insulating sheath material and preparation method thereof
CN105694170A (en) Electric power engineering construction tool box and preparation method thereof
CN206204139U (en) A kind of kiln heating system for producing continuous basalt fiber
CN104277423A (en) Lithium battery heat-conducting flame-retardant material and preparation method thereof
CN202692690U (en) Thermal insulation structure of electric furnace

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20171024

WW01 Invention patent application withdrawn after publication