CN110211736A - A kind of anti-termite cable and preparation method thereof - Google Patents
A kind of anti-termite cable and preparation method thereof Download PDFInfo
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- CN110211736A CN110211736A CN201910486860.3A CN201910486860A CN110211736A CN 110211736 A CN110211736 A CN 110211736A CN 201910486860 A CN201910486860 A CN 201910486860A CN 110211736 A CN110211736 A CN 110211736A
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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
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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
- H01B13/06—Insulating conductors or cables
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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
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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
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
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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
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to electrical equipment technical fields, more particularly to a kind of anti-termite cable and preparation method thereof, anti-termite cable of the invention includes: steel wire item, conductor, the insulating sheath for being coated on conductor outer layer and water blocking tape, filler material, buffer layer, metallic shield inner sheath and erosion resistant coating from inside to outside, it also successively include oversheath internal layer, termite-proof material layer and conductive layer outside the erosion resistant coating, wherein termite-proof material layer is the termite-proof material of the not high rigidity of drug containing.The preparation method of anti-termite cable of the present invention in turn includes the following steps: steel wire continuous annealing wire drawing, conductor continuous annealing wire drawing, compact conductor, insulating sheath and water blocking tape are twisted, filler material extrudes, drying chamber degassing, and buffer layer is wrapped, wrap up metallic shield inner sheath, anticorrosive coating, oversheath internal layer extrude, the termite-proof material layer of double-layer coextrusion and conductive layer.Anti-termite cable of the invention not can cause environmental pollution, and the anti-termite performance duration is long, and will not cause damages to producers' health.
Description
Technical field
The invention belongs to electrical equipment technical fields, and in particular to a kind of anti-termite cable and preparation method thereof.
Background technique
Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from one
Place is transferred to the conducting wire at another place.Cable can be divided into direct current cables and ac cable according to the system of photovoltaic plant, to transmit
Electric energy, information and the wire product for realizing electromagnetic energy conversion, the wire and cable of broad sense are referred to as cable, and the cable of narrow sense refers to absolutely
Edge cable, it may be defined as: the aggregate consisted of following parts: one or more insulated wire cores and each may
The clad having, total protective layer and oversheath, cable can also have the additional conductor not insulated.To transmit electric energy, believe
Breath and the wire product for realizing electromagnetic energy conversion.
The external sheath layer of cable is subject to the termite attack that biological damage, especially southern area cable are subjected to, high-tension cable
Oversheath is the first line of defence for protecting cable to operate normally, if termite gnaws through cable jacket, moisture or moisture intrusion electricity
Cable will make cable insulation make moist, insulation resistance caused to decline, thus cause single-line to ground fault, or even cause route breakdown etc.
Major accident.Therefore, high-tension cable oversheath performance is improved, termite moth erosion cable is prevented, ensures the safe operation of cable, reduce
The accident rate of cable run, it has also become the content of cables manufacturing enterprise and the urgent research of power department.Traditional cable mainly uses
It is toxic to termite that doses are added in the anti-therapy of pharmaceutical chemistry that is, in the jacket material of high-voltage cross-linked polyethylene sheathed
The drug for killing effect is made, and perhaps extrudes one layer of drug protecting sheath or comprehensive physical and chemistry two again outside polyethylene outer sheath
The characteristics of dedicated anti-termite cable of kind ant proof method manufacture, existing medicine type cable, while also thering is termite to sting motionless cable
The characteristics of, such as Authorization Notice No. is a kind of high termite-proof type of waterproof shown in the Chinese utility model patent of CN208368234U
Orbit traffic direct current cable and Authorization Notice No. are that one kind shown in the Chinese utility model patent of CN208271598U is termite-proof
The photoelectric compound cable gnawed.Termite can also be removed with pesticide-clay mixture, i.e., the poison of doses is mixed in the soil around buried cable
Kill drug poisoning termite.Compared to drug, the drug of termite is killed without stringent kind and concentration control range, it is all to be able to satisfy ant proof
Effect is good, performance is stable, lasting medicine, be easy purchase, the drug of the conditions such as cheap, easy to use can be selected.
Although traditional anti-termite cable has certain termite-proof effect, there are following several respects in use
Disadvantage: the chemicals contained in one side sheath material, which move to, causes environmental pollution and ecological disruption in soil；It is another
Aspect is because of the fuel factor of cable, and termite-proof drug aging contained in sheath, sustained release are so that the anti-termite performance of cable reduces, no
It can guarantee that the long-term anti-termite performance of cable, protective capacities persistence and stability are poor；And in the process of sheath material
In, the pernicious gas that termite-proof drug gives out can cause damages to the health of producers.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide one kind not can cause environmental pollution, and prevents white
The ant performance duration is long, and will not be to the anti-termite cable and preparation method thereof that producers' health causes damages.
To achieve the above object, the present invention adopts the following technical scheme:
The present invention provides a kind of anti-termite cables, successively include: steel wire item by internal layer to outer layer, conductor, are coated on and lead
The insulating sheath and water blocking tape of volume surrounding, the filler material being filled between steel wire item and conductor, buffer layer, metallic shield inner sheath
And erosion resistant coating, the erosion resistant coating includes successively also outside oversheath internal layer, termite-proof material layer and conductive layer, wherein termite-proof material
Layer is the termite-proof material of the not high rigidity of drug containing.
Cushion chamber is offered in anti-termite cable buffer layer of the present invention, and the elastic rib of annular array is equipped in cushion chamber.
The filler material of anti-termite cable of the present invention is silica gel material.
The metallic shield inner sheath of anti-termite cable of the present invention is plate aluminium sheath or corrugated aluminum sheath.
The erosion resistant coating of anti-termite cable of the present invention is asphalt material.
The oversheath internal layer of anti-termite cable of the present invention is polythene material or pvc material.
The termite-proof material of the high rigidity of drug containing is not extraordinary polyolefine material in anti-termite cable of the present invention.
The present invention also provides the preparation methods of above-mentioned anti-termite cable, in turn include the following steps: steel wire continuous annealing is drawn
Silk, conductor continuous annealing wire drawing, compact conductor, insulating sheath and water blocking tape are twisted, and filler material extrudes, drying chamber degassing, buffer layer
It is wrapped, metallic shield inner sheath, anticorrosive coating are wrapped up, oversheath internal layer extrudes, the termite-proof material layer of double-layer coextrusion and conduction
Layer.
In the preparation step of anti-termite cable of the present invention, oversheath internal layer extrude out with a thickness of 4.1-4.3mm, it is termite-proof
The extrusion of material layer is with a thickness of 1.1-1.3mm.
In the preparation step of anti-termite cable of the present invention, squeezed in the termite-proof material layer of the double-layer coextrusion and conductive layer
Temperature setting in the area Chu Jige is as follows: 1st area of fuselage: 180-185 DEG C, 2nd area of fuselage: 210-215 DEG C, 3rd area of fuselage: 215-220 DEG C, machine
4th area of body: 220-230 DEG C, 5th area of fuselage: 235-240 DEG C, head: 240-250 DEG C, die orifice: 250-255 DEG C.
The invention has the following beneficial effects: the height that the termite-proof material layer of anti-termite cable of the present invention is not drug containing is hard
The termite-proof material of degree, so that cable has excellent anti-termite performance, resistance to ointment, weatherability, toughness, wearability, surface
Slickness and splendid mechanical and physical performance.Anti-termite cable of the invention is because being free of chemicals, Bu Huizao in sheath material
At environmental pollution；The sheath hardness of anti-termite cable of the present invention can guarantee that termite gnaws motionless cable jacket, ensure that cable
Long-term anti-termite performance；Anti-termite cable sheath material of the present invention does not have the pernicious gas that chemicals give out, will not be right
The health of producers causes damages.
Detailed description of the invention
By reading referring to the following drawings, other features, purposes and advantages of the invention will become more apparent:
Fig. 1 is the structural diagram of the present invention, in figure: 1- steel wire item, 2- conductor, 3- insulating sheath, 4- water blocking tape, 5- are filled out
Charge, 6- buffer layer, 7- metallic shield inner sheath, 8- erosion resistant coating, 9- oversheath internal layer, the termite-proof material layer of 10-, 11- are conductive
Layer.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
A kind of anti-termite cable is present embodiments provided, by internal layer to outer layer successively includes: steel wire item, conductor, be coated on
The insulating sheath and water blocking tape of conductor outer layer, buffer layer, protect in metallic shield the filler material being filled between steel wire item and conductor
Set and erosion resistant coating, the erosion resistant coating includes successively also outside oversheath internal layer, termite-proof material layer and conductive layer, wherein termite-proof material
The bed of material is the termite-proof material of the not high rigidity of drug containing.
Cushion chamber is offered in the present embodiment anti-termite cable buffer layer, and the elastic rib of annular array is set in cushion chamber.
The filler material of the anti-termite cable of the present embodiment is silica gel material.
The anti-termite cable metallic shield inner sheath of the present embodiment is plate aluminium sheath.
The anti-termite cable erosion resistant coating of the present embodiment is asphalt material.
The anti-termite cable oversheath internal layer of the present embodiment is polythene material.
The termite-proof material of the high rigidity of drug containing is not extraordinary polyolefine material in the anti-termite cable of the present embodiment.
The preparation method of above-mentioned anti-termite cable, in turn includes the following steps: steel wire continuous annealing wire drawing, and conductor continuous annealing is drawn
Silk, compact conductor, insulating sheath and water blocking tape are twisted, and filler material extrudes, and drying chamber degassing, buffer layer is wrapped, wraps up metal
Inner sheath, anticorrosive coating are shielded, oversheath internal layer extrudes, the termite-proof material layer of double-layer coextrusion and conductive layer.
In the preparation step of the present embodiment anti-termite cable, oversheath internal layer extrude out with a thickness of 4.1mm, termite-proof material
The extrusion of the bed of material is with a thickness of 1.1mm.
In the preparation step of the anti-termite cable of the present embodiment, the termite-proof material layer of the double-layer coextrusion and conductive layer
Middle each area's temperature setting of extruder is as follows: 1st area of fuselage: 180 DEG C, 2nd area of fuselage: 210 DEG C, 3rd area of fuselage: 215 DEG C, 4th area of fuselage:
220 DEG C, 5th area of fuselage: 235 DEG C, head: 240 DEG C, die orifice: 250 DEG C.
Embodiment 2
A kind of anti-termite cable is present embodiments provided, by internal layer to outer layer successively includes: steel wire item, conductor, be coated on
The insulating sheath and water blocking tape of conductor outer layer, buffer layer, protect in metallic shield the filler material being filled between steel wire item and conductor
Set and erosion resistant coating, the erosion resistant coating includes successively also outside oversheath internal layer, termite-proof material layer and conductive layer, wherein termite-proof material
The bed of material is the termite-proof material of the not high rigidity of drug containing.
Cushion chamber is offered in the present embodiment anti-termite cable buffer layer, and the elastic rib of annular array is set in cushion chamber.
The filler material of the anti-termite cable of the present embodiment is silica gel material.
The anti-termite cable metallic shield inner sheath of the present embodiment is corrugated aluminum sheath.
The anti-termite cable erosion resistant coating of the present embodiment is asphalt material.
The anti-termite cable oversheath internal layer of the present embodiment is pvc material.
The termite-proof material of the high rigidity of drug containing is not extraordinary polyolefine material in the anti-termite cable of the present embodiment.
The preparation method of above-mentioned anti-termite cable, in turn includes the following steps: steel wire continuous annealing wire drawing, and conductor continuous annealing is drawn
Silk, compact conductor, insulating sheath and water blocking tape are twisted, and filler material extrudes, and drying chamber degassing, buffer layer is wrapped, wraps up metal
Inner sheath, anticorrosive coating are shielded, oversheath internal layer extrudes, the termite-proof material layer of double-layer coextrusion and conductive layer.
In the preparation step of the present embodiment anti-termite cable, oversheath internal layer extrude out with a thickness of 4.2mm, termite-proof material
The extrusion of the bed of material is with a thickness of 1.2mm.
In the preparation step of the anti-termite cable of the present embodiment, the termite-proof material layer of the double-layer coextrusion and conductive layer
Middle each area's temperature setting of extruder is as follows: 1st area of fuselage: 183 DEG C, 2nd area of fuselage: 213 DEG C, 3rd area of fuselage: 218 DEG C, 4th area of fuselage:
225 DEG C, 5th area of fuselage: 238 DEG C, head: 245 DEG C, die orifice: 253 DEG C.
Embodiment 3
A kind of anti-termite cable is present embodiments provided, by internal layer to outer layer successively includes: steel wire item, conductor, be coated on
The insulating sheath and water blocking tape of conductor outer layer, buffer layer, protect in metallic shield the filler material being filled between steel wire item and conductor
Set and erosion resistant coating, the erosion resistant coating includes successively also outside oversheath internal layer, termite-proof material layer and conductive layer, wherein termite-proof material
The bed of material is the termite-proof material of the not high rigidity of drug containing.
Cushion chamber is offered in the present embodiment anti-termite cable buffer layer, and the elastic rib of annular array is set in cushion chamber.
The filler material of the anti-termite cable of the present embodiment is silica gel material.
The anti-termite cable metallic shield inner sheath of the present embodiment is corrugated aluminum sheath.
The anti-termite cable erosion resistant coating of the present embodiment is asphalt material.
The anti-termite cable oversheath internal layer of the present embodiment is pvc material.
The termite-proof material of the high rigidity of drug containing is not extraordinary polyolefine material in the anti-termite cable of the present embodiment.
The preparation method of above-mentioned anti-termite cable, in turn includes the following steps: steel wire continuous annealing wire drawing, and conductor continuous annealing is drawn
Silk, compact conductor, insulating sheath and water blocking tape are twisted, and filler material extrudes, and drying chamber degassing, buffer layer is wrapped, wraps up metal
Inner sheath, anticorrosive coating are shielded, oversheath internal layer extrudes, the termite-proof material layer of double-layer coextrusion and conductive layer.
In the preparation step of the present embodiment anti-termite cable, oversheath internal layer extrude out with a thickness of 4.3mm, termite-proof material
The extrusion of the bed of material is with a thickness of 1.3mm.
In the preparation step of the anti-termite cable of the present embodiment, the termite-proof material layer of the double-layer coextrusion and conductive layer
Middle each area's temperature setting of extruder is as follows: 1st area of fuselage: 185 DEG C, 2nd area of fuselage: 215 DEG C, 3rd area of fuselage: 220 DEG C, 4th area of fuselage:
230 DEG C, 5th area of fuselage: 240 DEG C, head: 250 DEG C, die orifice: 255 DEG C.
Comparative example 1
The present embodiment is that Authorization Notice No. is a kind of high waterproof shown in the Chinese utility model patent of CN208368234U
Termite-proof type orbit traffic direct current cable.
Comparative example 2
The present embodiment is that Authorization Notice No. is a kind of termite-proof shown in the Chinese utility model patent of CN208271598U
The photoelectric compound cable gnawed.
Comparative example 3
This comparative example provides a kind of anti-termite cable, successively includes: steel wire item by internal layer to outer layer, conductor, is coated on
The insulating sheath and water blocking tape of conductor outer layer, buffer layer, protect in metallic shield the filler material being filled between steel wire item and conductor
Set and erosion resistant coating, the erosion resistant coating also successively include oversheath internal layer and conductive layer outside.This comparative example anti-termite cable buffer layer
Cushion chamber is inside offered, the elastic rib of annular array is set in cushion chamber.
The filler material of the anti-termite cable of this comparative example is silica gel material.
The anti-termite cable metallic shield inner sheath of this comparative example is corrugated aluminum sheath.
The anti-termite cable erosion resistant coating of this comparative example is asphalt material.
The anti-termite cable oversheath internal layer of this comparative example is pvc material.
The preparation method of above-mentioned anti-termite cable, in turn includes the following steps: steel wire continuous annealing wire drawing, and conductor continuous annealing is drawn
Silk, compact conductor, insulating sheath and water blocking tape are twisted, and filler material extrudes, and drying chamber degassing, buffer layer is wrapped, wraps up metal
Inner sheath, anticorrosive coating are shielded, oversheath internal layer extrudes, the termite-proof material layer of double-layer coextrusion and conductive layer.
In the preparation step of this comparative example anti-termite cable, oversheath internal layer extrude out with a thickness of 4.3mm.
Cable sampling prepared by embodiment 1-3 and comparative example 1-3, size: 50mm × 50mm, thickness: 1mm.By each examination
Sample is clamped between termite bait wood, and is placed in termite population 12 months.Observe and record respectively be placed on it is each in ant colony
For sample at 1 month, 6 months and 12 months by the termite attack rate of termite Feeding damage, termite attack rate is expressed as the ant in width direction
Harmful total length/perimeter 200mm, the results are shown in Table 1 for record:
Table 1
| Termite attack rate | 1 month | 6 months | 12 months |
| Embodiment 1 | 2.1% | 2.4% | 2.8% |
| Embodiment 2 | 2.5% | 2.8% | 3.1% |
| Embodiment 3 | 1.9% | 2.3% | 2.9% |
| Comparative example 1 | 2.5% | 3.9% | 6.2% |
| Comparative example 2 | 2.8% | 4.1% | 6.8% |
| Comparative example 3 | 3.1% | 5.6% | 10.1% |
It can be seen that cable prepared by embodiment 1-3 from the data of table 1, termite attack rate is less than the electricity of comparative example 1-3 preparation
Cable；The cable of embodiment 1-3 preparation termite attack rate in 12 months increases control within 1%, and the cable of comparative example 1-3 preparation exists
Termite attack rate increases up to 7% in 12 months, illustrates that the cable of embodiment 1-3 preparation is obvious good in termite-proof persistence
In the cable of comparative example 1-3 preparation.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of anti-termite cable, by internal layer to outer layer successively includes: steel wire item (1), conductor (2), is coated on conductor (2) outer layer
Insulating sheath (3) and water blocking tape (4), the filler material (5) being filled between steel wire item (1) and conductor (2), buffer layer (6), gold
Belong to shielding inner sheath (7) and erosion resistant coating (8), it is characterised in that: the erosion resistant coating (8) outside also successively including oversheath internal layer (9),
Termite-proof material layer (10) and conductive layer (11), wherein termite-proof material layer (10) is the termite-proof material of the not high rigidity of drug containing
Material.
2. a kind of anti-termite cable according to claim 1, it is characterised in that: offer buffering in the buffer layer (6)
Chamber is provided with the elastic rib of annular array in the cushion chamber.
3. a kind of anti-termite cable according to claim 1, it is characterised in that: the filler material (5) is silica gel material.
4. a kind of anti-termite cable according to claim 1, it is characterised in that: the metallic shield inner sheath (7) is flat
Plate aluminium sheath or corrugated aluminum sheath.
5. a kind of anti-termite cable according to claim 1, it is characterised in that: the erosion resistant coating (8) is asphalt material.
6. a kind of anti-termite cable according to claim 1, it is characterised in that: the oversheath internal layer (9) is polyethylene
Material or pvc material.
7. a kind of anti-termite cable according to claim 1, it is characterised in that: preventing for the high rigidity of the not drug containing is white
Ant material is extraordinary polyolefine material.
8. a kind of preparation method of anti-termite cable according to claim 1, which is characterized in that successively include following step
Rapid: steel wire item (1) continuous annealing wire drawing, conductor (2) continuous annealing wire drawing, compact conductor (2), insulating sheath (3) and water blocking tape (4) are twisted
It closing, filler material (5) extrudes, and drying chamber degassing, buffer layer (6) is wrapped, it wraps up metallic shield inner sheath (7), anticorrosive coating (8),
Oversheath internal layer (9) extrudes, the termite-proof material layer of double-layer coextrusion (10) and conductive layer (11).
9. a kind of preparation method of anti-termite cable according to claim 8, it is characterised in that: oversheath internal layer (9) extrudes
Out with a thickness of 4.1-4.3mm, the extrusion of termite-proof material layer (10) is with a thickness of 1.1-1.3mm.
10. a kind of preparation method of anti-termite cable according to claim 8, it is characterised in that: the double-layer coextrusion is prevented white
Each area's temperature setting of extruder is as follows in ant material layer (10) and conductive layer (11) step: 1st area of fuselage: 180-185 DEG C, fuselage 2
Area: 210-215 DEG C, 3rd area of fuselage: 215-220 DEG C, 4th area of fuselage: 220-230 DEG C, 5th area of fuselage: 235-240 DEG C, head: 240-
250 DEG C, die orifice: 250-255 DEG C.
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| CN201910486860.3A CN110211736A (en) | 2019-06-05 | 2019-06-05 | A kind of anti-termite cable and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117174400A (en) * | 2023-10-10 | 2023-12-05 | 广东新亚光电缆股份有限公司 | Preparation method of termite-proof cable |
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2019
- 2019-06-05 CN CN201910486860.3A patent/CN110211736A/en not_active Withdrawn
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117174400A (en) * | 2023-10-10 | 2023-12-05 | 广东新亚光电缆股份有限公司 | Preparation method of termite-proof cable |
| CN117174400B (en) * | 2023-10-10 | 2024-05-17 | 广东新亚光电缆股份有限公司 | Preparation method of termite-proof cable |
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Application publication date: 20190906 |