CN109273872A - A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding - Google Patents
A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding Download PDFInfo
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- CN109273872A CN109273872A CN201811190534.XA CN201811190534A CN109273872A CN 109273872 A CN109273872 A CN 109273872A CN 201811190534 A CN201811190534 A CN 201811190534A CN 109273872 A CN109273872 A CN 109273872A
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- graphite
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- drop resistance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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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
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
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Abstract
The present invention relates to a kind of graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding and its production methods, graphite-based flexibility drop hinders the graphite film that cloth includes grid of glass fibers and is covered in outside grid of glass fibers, expanded graphite extruding is passed sequentially through in production and is pressed into graphite film in advance, grid of glass fibers impregnation is simultaneously compound with graphite film, drying bonding, re-lay expanded graphite worm roller-compaction, finally it is cut into wide 300mm wide, the excellent corrosion resistant and electric conductivity of its soft right property and graphite film for combining grid of glass fibers, graphite-based flexibility drop resistance cloth is laid with before and after being laid with soft graphite earthing material, soft graphite earthing material is avoided to contact with the direct of soil, it is used by the collocation that resistance cloth and soft graphite earthing material drop in this graphite-based flexibility, it can achieve preferably conductive and anti-corrosion effect.
Description
Technical field
The invention belongs to soft graphite grounding technology field more particularly to a kind of stones being laid with for soft graphite counterpoise grounding
Black base flexibility drop resistance cloth and its production method.
Background technique
With the development of social electric system, earthed system seems most important, Ground Network of Transmission Line with Renovation ground resistance
Qualification is the basis of safe operation of power system, and measures earthed system validity, safety and identify that earthed system is
The no important parameter for meeting design requirement.For a long time, domestic and international grounded screen generallys use the metals class such as band steel, stainless steel, copper
Earthing material.Except transport and difficulty of construction is big, in addition to easy generation steal phenomenon, and the maximum bottleneck problem of metallic ground material is to connect
The corrosion of ground material.Practical operating experiences show that band steel and the corrosion of galvanized steel earthing material are very fast, generally run 3 ~ 7 years i.e.
Heavy corrosion occurs.With the deep development of grounding technology, more and more new materials are applied, especially in ground connection material
Material aspect, the appearance of soft graphite earthing material bring new vitality to lightning protection research direction.Graphite-based flexible ground
Body prepares soft graphite by high temperature puffing by expansible graphite ash content, is resistant to good electric conductivity and dash current
Property, stablize in heavy current impact flowering structure, and have many advantages, such as corrosion resistance reliably, it is long service life, pollution-free to soil, be
The ideal material of earthing pole, Grounding Grids can can preferably expire with the increase of its length, ground resistance with reduction
The requirement of sufficient ground resistance.
Although although novel Flexible graphite earthing material largely solves the problems, such as that earthed system is corroded,
The place of Optimal improvements is also very much, and for example graphite earthing material is directly contacted with soil, if soil environment is poor still not
It can ensure a possibility that graphite earthing material is not corroded, then it is soft to design a kind of graphite-based that graphite earthing material cladding is got up
Property drop resistance cloth, and the graphite-based flexibility drop resistance cloth have good electric conductivity and the wellability with soil, pass through itself and soil
Directly contact and soft graphite earthing material, which are used in combination, can achieve preferably drop resistance and anti-corrosion effect.
Summary of the invention
In view of the deficiencies of the prior art, which provides a kind of graphite-based flexibility drop being laid with for soft graphite counterpoise grounding
Cloth is hindered, is made of grid of glass fibers and the graphite film being coated on outside grid of glass fibers, there is good bendability, water suction
Property and electric conductivity, be laid with before and after being laid with soft graphite earthing material the graphite-based flexibility drop resistance cloth, avoid soft graphite
Earthing material is directly contacted with soil, in this way by can achieve preferably drop resistance with being used cooperatively for soft graphite earthing material
And anti-corrosion effect.
To achieve the goals above, which provides a kind of graphite-based flexibility drop resistance being laid with for soft graphite counterpoise grounding
Cloth, wide 300mm, thickness 0.3mm, including grid of glass fibers and the graphite film being covered in outside grid of glass fibers, the glass
Fiber grid is compound by the solid gum and graphite film of blending bleeding agent, and the mesh size of grid of glass fibers is 5mm × 5mm.
A kind of production method of above-mentioned graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding, including following step
It is rapid:
A, it selects charcoal containing the expansible graphite of amount≤99%, and sets extruding furnace temperature as 950 DEG C, when extruding furnace temperature reaches 950
After DEG C, expansible graphite is entered into puffing furnace with the blanking velocity of 2.0kg/min, high temperature puffing 10s chemical conversion is swollen in puffing furnace
Then expanded graphite worm is sent into prepressing device by swollen graphite worm, and set roll gap pressure as 18MPa, linear velocity 6m/
Expanded graphite worm is rolled into a thickness of 0.3 ~ 0.5mm by min, and density is the graphite film of 0.2 ~ 0.3g/cm3；
B, selecting size of mesh opening is 5mm × 5mm, and width is the grid of glass fibers of 800mm, and the solid gum that will admix bleeding agent
It is attached on grid of glass fibers surface；
C, the grid of glass fibers for adhering to solid gum is compound with graphite film and be transferred to drying equipment together, keep bleeding agent abundant
It penetrates into grid of glass fibers and graphite film and it is allowed to bond；
D, to the grid of glass fibers and graphite film surface that are bonded together pave a layer thickness be 3mm expanded graphite worm,
It is set to be combined with each other by milling roller, composite pressure 18MPa, linear velocity 6.1m/min are generated as 0.3mm thickness after compound
The graphite-based flexibility drop resistance cloth of degree；
E, the graphite-based flexibility drop resistance cloth of generation is cut into the finished product of 300mm width, and wound.
Beneficial effect
A kind of graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding of the invention, by grid of glass fibers and is coated on
Graphite film composition outside grid of glass fibers combines the soft right property of grid of glass fibers and the excellent corrosion resistant of graphite film and leads
Electrically, this graphite-based flexibility drop resistance cloth, the graphite-based flexibility drop resistance allowed are laid with before and after being laid with soft graphite earthing material
Cloth is directly contacted with soil, and soft graphite earthing material is avoided to contact with the direct of soil, is passed through this graphite-based flexibility and is dropped
The collocation for hindering cloth and soft graphite earthing material uses, and can achieve preferably conductive and anti-corrosion effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of graphite-based flexibility drop resistance cloth of the invention；
Fig. 2 is the structural schematic diagram of grid of glass fibers of the present invention；
Fig. 3 is the production procedure schematic diagram of graphite-based flexibility drop resistance cloth of the invention；
In figure: 1, grid of glass fibers, 2, graphite film, 3, solid gum.
Specific embodiment
Further technical solution of the present invention is illustrated below in conjunction with specific embodiment.
A kind of production method for the graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding, comprising the following steps:
A, it selects charcoal containing the expansible graphite of amount≤99%, and sets extruding furnace temperature as 950 DEG C, when extruding furnace temperature reaches 950
After DEG C, expansible graphite is entered into puffing furnace with the blanking velocity of 2.0kg/min, high temperature puffing 10s chemical conversion is swollen in puffing furnace
Then expanded graphite worm is sent into prepressing device by swollen graphite worm, and set roll gap pressure as 18MPa, linear velocity 6m/
Expanded graphite worm is rolled into a thickness of 0.3 ~ 0.5mm by min, and density is the graphite film 2 of 0.2 ~ 0.3g/cm3；
B, selecting size of mesh opening is 5mm × 5mm, and width is the grid of glass fibers 1 of 800mm, and the solid that will admix bleeding agent
Glue 3 is attached on 1 surface of grid of glass fibers；
C, the grid of glass fibers 1 for adhering to solid gum 3 is compound with graphite film 2 and be transferred to drying equipment together, make bleeding agent
It is fully penetrated to allowing in grid of glass fibers 1 and graphite film 2 it to bond；
D, to the grid of glass fibers 1 and 2 surface of graphite film that are bonded together pave a layer thickness be 3mm expanded graphite it is compacted
Worm makes it be combined with each other by milling roller, composite pressure 18MPa, and linear velocity 6.1m/min is generated as after compound
The graphite-based flexibility drop resistance cloth of 0.3mm thickness；
E, the graphite-based flexibility drop resistance cloth of generation is cut into the finished product of 300mm width, and wound.
Graphite-based flexibility drop resistance cloth produced combines the excellent corrosion resistant of the soft right property and graphite film of grid of glass fibers
And electric conductivity, electric resistance rate≤1.5*10-5 Ω m excavate ground connection groove width and are not less than 0.3m, wait be grounded in the construction process
After the smooth bottom of trench of ditch, one layer of graphite-based flexibility drop resistance cloth first is laid in bottom of trench, then lays counterpoise grounding, then lay one layer of graphite-based
Flexibility drop hinders cloth, avoids counterpoise grounding in this way and contacts with the direct of soil, passes through this graphite-based flexibility and drop resistance cloth and flexibility
The collocation of graphite earthing material uses, and can achieve preferably conductive and anti-corrosion effect.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (2)
1. a kind of graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding, it is characterised in that: wide 300mm, thickness
0.3mm including grid of glass fibers (1) and is covered in the external graphite film (2) of grid of glass fibers (1), the glass fibre
Grid (1) is compound by the solid gum (3) and graphite film (2) of blending bleeding agent, and the mesh size of grid of glass fibers (1) is
5mm×5mm。
2. a kind of producer for the graphite-based flexibility drop resistance cloth being laid with for soft graphite counterpoise grounding according to claim 1
Method, it is characterised in that: the following steps are included:
A, it selects charcoal containing the expansible graphite of amount≤99%, and sets extruding furnace temperature as 950 DEG C, when extruding furnace temperature reaches 950
After DEG C, expansible graphite is entered into puffing furnace with the blanking velocity of 2.0kg/min, high temperature puffing 10s chemical conversion is swollen in puffing furnace
Then expanded graphite worm is sent into prepressing device by swollen graphite worm, and set roll gap pressure as 18MPa, linear velocity 6m/
Expanded graphite worm is rolled into a thickness of 0.3 ~ 0.5mm by min, and density is the graphite film (2) of 0.2 ~ 0.3g/cm3；
B, selecting size of mesh opening is 5mm × 5mm, and width is the grid of glass fibers (1) of 800mm, and will admix consolidating for bleeding agent
Body glue (3) is attached on grid of glass fibers (1) surface；
C, the grid of glass fibers (1) and graphite film (2) of adhering to solid gum (3) is compound and be transferred to drying equipment together, make
Bleeding agent is fully penetrated to allow it to bond to grid of glass fibers (1) and graphite film (2) are interior；
D, to the grid of glass fibers (1) and graphite film (2) surface that are bonded together pave a layer thickness be 3mm expanded graphite
Worm makes it be combined with each other by milling roller, composite pressure 18MPa, and linear velocity 6.1m/min is generated as after compound
The graphite-based flexibility drop resistance cloth of 0.3mm thickness；
E, the graphite-based flexibility drop resistance cloth of generation is cut into the finished product of 300mm width, and wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190534.XA CN109273872B (en) | 2018-10-12 | 2018-10-12 | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190534.XA CN109273872B (en) | 2018-10-12 | 2018-10-12 | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding |
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| CN109273872A true CN109273872A (en) | 2019-01-25 |
| CN109273872B CN109273872B (en) | 2019-09-13 |
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| CN201811190534.XA Active CN109273872B (en) | 2018-10-12 | 2018-10-12 | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380311A (en) * | 2019-07-26 | 2019-10-25 | 河南四达电力设备股份有限公司 | A kind of graphite counterpoise grounding linkage compaction apparatus |
| CN110854557A (en) * | 2019-11-08 | 2020-02-28 | 河南四达电力设备股份有限公司 | Combined complete grounding equipment and grounding construction method |
| CN111326272A (en) * | 2020-03-27 | 2020-06-23 | 河南四达电力设备股份有限公司 | Slow-release graphite resistance-reducing paste and preparation method and application thereof |
| CN112142045A (en) * | 2020-10-10 | 2020-12-29 | 宁波信远炭材料股份有限公司 | Production process and manufacturing equipment of high-thermal-conductivity graphite paper |
| CN113067206A (en) * | 2021-03-29 | 2021-07-02 | 河南四达电力设备股份有限公司 | Flexible graphite grounding module with high thickness, high density and large flow dispersion area and manufacturing process |
| CN113072065A (en) * | 2021-05-08 | 2021-07-06 | 河南四达电力设备股份有限公司 | Modified expandable graphite, cable fire-proof and explosion-proof coating film and production method thereof |
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| CN104376921A (en) * | 2014-11-10 | 2015-02-25 | 河南盛煌电力设备有限公司 | Graphite composite resistance-reduction cloth production process |
| CN104577366A (en) * | 2015-01-28 | 2015-04-29 | 武汉大学 | Long-acting loss-free graphite resistance reduction cloth and manufacturing method and application of long-acting loss-free graphite resistance reduction cloth |
| CN108155489A (en) * | 2017-11-08 | 2018-06-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite drop resistance module and preparation method thereof |
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| CN104269204A (en) * | 2014-10-27 | 2015-01-07 | 武汉大学 | Modified compound graphite yarn and preparation method thereof |
| CN104376921A (en) * | 2014-11-10 | 2015-02-25 | 河南盛煌电力设备有限公司 | Graphite composite resistance-reduction cloth production process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380311A (en) * | 2019-07-26 | 2019-10-25 | 河南四达电力设备股份有限公司 | A kind of graphite counterpoise grounding linkage compaction apparatus |
| CN110380311B (en) * | 2019-07-26 | 2024-02-09 | 河南四达电力设备股份有限公司 | Graphite grounding belt linkage compaction device |
| CN110854557A (en) * | 2019-11-08 | 2020-02-28 | 河南四达电力设备股份有限公司 | Combined complete grounding equipment and grounding construction method |
| CN111326272A (en) * | 2020-03-27 | 2020-06-23 | 河南四达电力设备股份有限公司 | Slow-release graphite resistance-reducing paste and preparation method and application thereof |
| CN111326272B (en) * | 2020-03-27 | 2021-04-13 | 河南四达电力设备股份有限公司 | Method for preparing slow-release graphite resistance-reducing paste |
| CN112142045A (en) * | 2020-10-10 | 2020-12-29 | 宁波信远炭材料股份有限公司 | Production process and manufacturing equipment of high-thermal-conductivity graphite paper |
| CN112142045B (en) * | 2020-10-10 | 2023-05-05 | 宁波信远炭材料有限公司 | High-heat-conductivity graphite paper production process and manufacturing equipment thereof |
| CN113067206A (en) * | 2021-03-29 | 2021-07-02 | 河南四达电力设备股份有限公司 | Flexible graphite grounding module with high thickness, high density and large flow dispersion area and manufacturing process |
| CN113072065A (en) * | 2021-05-08 | 2021-07-06 | 河南四达电力设备股份有限公司 | Modified expandable graphite, cable fire-proof and explosion-proof coating film and production method thereof |
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| CN109273872B (en) | 2019-09-13 |
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Application publication date: 20190125 Assignee: Liaoning huiboda Power Equipment Co.,Ltd. Assignor: FOUR OF HENAN ELECTRIC POWER EQUIPMENT Co.,Ltd. Contract record no.: X2021980003366 Denomination of invention: A graphite based flexible resistance reducing cloth for laying flexible graphite grounding strip and its production method Granted publication date: 20190913 License type: Common License Record date: 20210508 |
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Assignee: Liaoning huiboda Power Equipment Co.,Ltd. Assignor: FOUR OF HENAN ELECTRIC POWER EQUIPMENT Co.,Ltd. Contract record no.: X2021980003366 Date of cancellation: 20210812 |