CN108012349A - A kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function and its manufacturing process - Google Patents
A kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function and its manufacturing process Download PDFInfo
- Publication number
- CN108012349A CN108012349A CN201711218424.5A CN201711218424A CN108012349A CN 108012349 A CN108012349 A CN 108012349A CN 201711218424 A CN201711218424 A CN 201711218424A CN 108012349 A CN108012349 A CN 108012349A
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- Prior art keywords
- layer
- graphene
- heating function
- heating line
- insulating layer
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Abstract
The invention discloses a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function; including carbon fiber layer, insulating layer, graphene layer and the protective layer set gradually from the inside to the outside; the carbon fiber layer is carbon fiber bundle; the outer layer covers of the carbon fiber bundle have insulating layer; the external sheath of the insulating layer has graphene layer, the periphery parcel matcoveredn of the graphene layer；The manufacturing process of floor heating line with heating function is further included, step is as follows：S1, insulating layer make；S2, graphene layer make；S3, protective layer make.Graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function of the present invention; due to being equipped with graphene layer between insulating layer and protective layer; so that the graphene carbon-fiber floor-heating line with heating function produced has splendid heat conductivility; the thermal losses that floor heating line with heating function is uploaded by insulation heat preservation layer saves 5 8%; complex heat transfer efficiency improves 45%; the specific manufacturing process of floor heating line with heating function, preparation process is simple, is conducive to large-scale production.
Description
Technical field
The present invention relates to the line with heating function technical field of electricity floor heating, more particularly to a kind of graphene carbon fibre with high-efficiency energy-saving ground heating
Line with heating function and its manufacturing process.
Background technology
Carbon fiber is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content more than 95%.It is by
The organic fibers such as flake graphite are piled up along fiber axial direction to be formed, through microlite obtained from carbonization and graphitization processing
Ink material.
Graphene has just received much concern since 2004 are found as a kind of new carbon.It is it is a kind of completely by
The thickness that the carbon atom of sp2 hydridization is formed is only the quasi- two dimensional crystal material of monoatomic layer or several monoatomic layers, is had high saturating
The excellent performance such as photosensitiveness and electric conductivity, thermal conductivity, high-specific surface area, high intensity and pliability.Due to grapheme foam skeleton
Itself there is the excellent capacity of heat transmission, its thermal conductivity is up to 5000W/ (m.K), is 10 times of copper, and graphene also has height in addition
Up to the superhigh intensity of the superhigh specific surface area of 2600m2/g and 100 times of steel, and there is good pliability and extensibility.Cause
This, graphene is a kind of preferably lightweight, High Efficiency Thermal management material in theory.
Compared to traditional heat radiating metal material, using high heat conduction C/C composite materials prepared by graphene and carbon fiber because
Become height optimal at present with performances such as excellent low-density, high heat conduction, low coefficient of thermal expansion and exclusive high-temp and high-strengths
Heat conduction candidate material.
At present in ground heating system, line with heating function is substantially to be made of carbon fiber, and is typically that hair is buried below earth's surface
Heat is simultaneously dispersed into interior and carries out heating insulation to interior by hot line, line with heating function heating power by earth's surface, its line with heating function is
Interval is uniformly laid with, and the medium between line with heating function is cement of poor thermal conductivity etc., its there are the problem of be：Line with heating function periphery
Heat is high and the heat that passes out is also high, its lower heat transfer of its local heat further away from line with heating function is to indoor heat
It is low, cause to distribute the heat of indoor heating uneven and inefficiency.
The content of the invention
The object of the present invention is to provide a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function and its manufacturing process, solution
Determine the problem of heat dissipation of current carbon-fiber floor-heating heating wire is uneven, and heat transfer efficiency is low.
The technical solution adopted in the present invention is：
A kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, including set gradually from the inside to the outside carbon fiber layer, absolutely
Edge layer, graphene layer and protective layer, the carbon fiber layer are carbon fiber bundle, and the outer layer covers of the carbon fiber bundle have insulating layer,
The external sheath of the insulating layer has graphene layer, the periphery parcel matcoveredn of the graphene layer.
As preference, the thickness of the insulating layer is 0.5-1mm, the insulating layer is made of crosslinked polyethylene material.
As preference, the thickness of the graphene layer is 0.05-0.08mm.
As preference, the thickness of the protective layer is 1-1.5mm, the protective layer is made of PE materials.
A kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, includes the following steps：
S1, insulating layer make：By ready carbon fiber bundle by injection molding machine, in 140-180 DEG C of high temperature environment,
Material is wrapped in carbon fiber bundle periphery for the insulating layer of crosslinked polyethylene, is cooled and solidified at room temperature；
S2, graphene layer make：The periphery of prepared product in above-mentioned steps S1 is applied and is covered with graphene slurry, is applied
Product after covering is dried in dryer forms graphene layer；
S3, protective layer make：By the periphery parcel up-protective layer of prepared product in above-mentioned steps S3, protective layer is
PE materials are made.
As preference, in step S2, the time in dryer is not less than 30min.
As preference, in step S2, the graphene slurry is made of the component of following mass percent：Graphene
50-60%, dispersant 1-5%, surplus are solvent, and the dispersant is one kind in polyvinylpyrrolidone or epoxy resin,
The solvent is one kind in water or NMP.
The invention has the advantages that a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function disclosed by the invention, by
In being equipped with graphene layer between insulating layer and protective layer so that the graphene carbon-fiber floor-heating line with heating function produced has splendid
Heat conductivility, the thermal losses that floor heating line with heating function is uploaded by insulation heat preservation layer saves 5-8%, and complex heat transfer efficiency improves
45%, the specific manufacturing process of floor heating line with heating function is there is further disclosed herein, preparation process is simple, is conducive to large-scale production.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structure diagram of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function of the present invention；
Fig. 2 is the structure diagram of existing carbon fiber energy-saving floor heating line with heating function application.
In figure, 1- carbon fiber layer 2- insulating layer 3- graphene layer 4- protective layer 5- insulation heat preservation layer 6- waterproof layers.
Embodiment
In order to deepen the understanding of the present invention, make further details of theory to the present invention with reference to the accompanying drawings and examples
It is bright.The following examples are only intended to illustrate the technical solution of the present invention more clearly, and the guarantor of the present invention cannot be limited with this
Protect scope.
As shown in Figure 1, a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function of the present invention, including set successively from the inside to the outside
Carbon fiber layer 1, insulating layer 2, graphene layer 3 and the protective layer 4 put, carbon fiber layer 1 are carbon fiber bundle, the outer layer bag of carbon fiber bundle
Insulating layer 2 is wrapped with, the external sheath of insulating layer 2 has graphene layer 3, the periphery parcel matcoveredn 4 of graphene layer 3.
Wherein, the thickness of insulating layer 2 is 0.5-1mm, this thickness causes carbon fiber bundle to reach optimal with graphene layer and lead
It is hot.
Wherein, the thickness of graphene layer 3 is 0.05-0.08mm, since graphene layer has certain softness, insulating layer and
Protective layer and all there is certain hardness, graphene layer falls between, can be by the air between insulating layer and protective layer
Discharge, increases the thermal conductivity of carbon fiber bundle.
Wherein, the thickness of protective layer 4 is 1-1.5mm, and protective layer is made of PE materials so that protective layer has enough hard
Degree, protects carbon fiber layer and graphene layer from damage.
Embodiment 1
A kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, includes the following steps：
S1, insulating layer make：By ready carbon fiber bundle by injection molding machine, in 140 DEG C of high temperature environment, by material
Matter is wrapped in carbon fiber bundle periphery for the insulating layer of crosslinked polyethylene, cools and solidifies at room temperature；
S2, graphene layer make：The periphery of prepared product in above-mentioned steps S1 is applied and is covered with graphene slurry, is applied
Product after covering dries 30min in dryer and forms graphene layer；
S3, protective layer make：By the periphery parcel up-protective layer of prepared product in above-mentioned steps S3, protective layer is
PE materials are made.
Wherein, in step S2, graphene slurry is made of the component of following mass percent：Graphene 50%, dispersant
1%, surplus is solvent, and dispersant is polyvinylpyrrolidone, and solvent is water.
Embodiment 2
A kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, includes the following steps：
S1, insulating layer make：By ready carbon fiber bundle by injection molding machine, in 180 DEG C of high temperature environment, by material
Matter is wrapped in carbon fiber bundle periphery for the insulating layer of crosslinked polyethylene, cools and solidifies at room temperature；
S2, graphene layer make：The periphery of prepared product in above-mentioned steps S1 is applied and is covered with graphene slurry, is applied
Product after covering dries 40min in dryer and forms graphene layer；
S3, protective layer make：By the periphery parcel up-protective layer of prepared product in above-mentioned steps S3, protective layer is
PE materials are made.
Wherein, in step S2, graphene slurry is made of the component of following mass percent：Graphene 60%, dispersant
5%, surplus is solvent, and dispersant is epoxy resin, solvent NMP.
Embodiment 3
A kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, includes the following steps：
S1, insulating layer make：By ready carbon fiber bundle by injection molding machine, in 160 DEG C of high temperature environment, by material
Matter is wrapped in carbon fiber bundle periphery for the insulating layer of crosslinked polyethylene, cools and solidifies at room temperature；
S2, graphene layer make：The periphery of prepared product in above-mentioned steps S1 is applied and is covered with graphene slurry, is applied
Product after covering dries 35min in dryer and forms graphene layer；
S3, protective layer make：By the periphery parcel up-protective layer of prepared product in above-mentioned steps S3, protective layer is
PE materials are made.
Wherein, in step S2, graphene slurry is made of the component of following mass percent：Graphene 55%, dispersant
2%, surplus is solvent, and dispersant is polyvinylpyrrolidone, solvent NMP.
Graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function produced by the invention, floor heating line with heating function are uploaded by insulation heat preservation layer
Thermal losses save 5-8%, complex heat transfer efficiency improves 45%.
As shown in Fig. 2, carbon-fiber floor-heating line with heating function is layed in absolutely by existing carbon-fiber floor-heating line with heating function when construction
On edge insulating layer 5, in figure the heat aggregation of part shown in A can not conduct, the part for causing to contact with insulation heat preservation layer
For heat relative to height above floor heating line with heating function, the heat energy loss of this part is larger, and can not realize utilization.Graphene carbon of the present invention
Fibre with high-efficiency energy-saving ground heating line with heating function, due to being equipped with graphene layer between insulating layer and protective layer so that the graphite produced
Alkene carbon-fiber floor-heating line with heating function has splendid heat conductivility, floor heating line with heating function and the waste heat of insulation heat preservation layer contact portion
By the conduction of graphene layer, uploading in ground, 5-8% is saved in thermal losses, meanwhile, the complex heat transfer efficiency of floor heating line with heating function
Improve 45%.
It is noted that embodiment described above is to the illustrative and not limiting of technical solution of the present invention, affiliated technology neck
The equivalent substitution of domain those of ordinary skill or other modifications made according to the prior art, as long as not exceeding the technology of the present invention side
The thinking and scope of case, should be included within interest field of the presently claimed invention.
Claims (7)
1. a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function, it is characterised in that including the carbon set gradually from the inside to the outside
Fibrous layer, insulating layer, graphene layer and protective layer, the carbon fiber layer are carbon fiber bundle, the outer layer covers of the carbon fiber bundle
There is insulating layer, the external sheath of the insulating layer has graphene layer, the periphery parcel matcoveredn of the graphene layer.
2. a kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function according to claim 1, it is characterised in that described exhausted
The thickness of edge layer is 0.5-1mm, and the insulating layer is made of crosslinked polyethylene material.
A kind of 3. graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function according to claim 1, it is characterised in that the stone
The thickness of black alkene layer is 0.05-0.08mm.
A kind of 4. graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function according to claim 1, it is characterised in that the guarantor
The thickness of sheath is 1-1.5mm, and the protective layer is made of PE materials.
5. a kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function as claimed in claim 1, its feature exist
In including the following steps：
S1, insulating layer make：By ready carbon fiber bundle by injection molding machine, in 140-180 DEG C of high temperature environment, by material
Matter is wrapped in carbon fiber bundle periphery for the insulating layer of crosslinked polyethylene, cools and solidifies at room temperature；
S2, graphene layer make：The periphery of prepared product in above-mentioned steps S1 is applied and is covered with graphene slurry, after coating
Product dried in dryer and form graphene layer；
S3, protective layer make：By the periphery parcel up-protective layer of prepared product in above-mentioned steps S3, protective layer is PE materials
Matter is made.
6. a kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function according to claim 5, its feature
It is, in step S2, the time in dryer is not less than 30min.
7. a kind of manufacturing process of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function according to claim 5, its feature
It is, in step S2, the graphene slurry is made of the component of following mass percent：Graphene 50-60%, dispersant 1-
5%, surplus is solvent, and the dispersant is one kind in polyvinylpyrrolidone or epoxy resin, the solvent for water or
One kind in NMP.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711218424.5A CN108012349A (en) | 2017-11-28 | 2017-11-28 | A kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function and its manufacturing process |
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| CN201711218424.5A CN108012349A (en) | 2017-11-28 | 2017-11-28 | A kind of graphene carbon fibre with high-efficiency energy-saving ground heating line with heating function and its manufacturing process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030616A (en) * | 2019-05-13 | 2019-07-19 | 深圳市美辰新材料科技有限公司 | A kind of electric boiler and the heating equipment including the electric boiler |
| CN110469081A (en) * | 2019-09-17 | 2019-11-19 | 张家港市科兴炭纤维制品有限公司 | A kind of high-efficiency and energy-saving type ground heating floor of novel built-in floor heating line |
| CN110469900A (en) * | 2019-09-17 | 2019-11-19 | 张家港市科兴炭纤维制品有限公司 | A kind of novel ground heater of built-in heating cable the two poles of the earth defencive function |
| CN110486782A (en) * | 2019-09-16 | 2019-11-22 | 张家港市科兴炭纤维制品有限公司 | One kind is based on high efficiency energy saving new floor heating line after graphene and polyethylene mixing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110469900A (en) * | 2019-09-17 | 2019-11-19 | 张家港市科兴炭纤维制品有限公司 | A kind of novel ground heater of built-in heating cable the two poles of the earth defencive function |
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