CN109640409A - A kind of production technology of graphene energy-saving quick heating electric heating body - Google Patents

A kind of production technology of graphene energy-saving quick heating electric heating body Download PDF

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Publication number
CN109640409A
CN109640409A CN201910015024.7A CN201910015024A CN109640409A CN 109640409 A CN109640409 A CN 109640409A CN 201910015024 A CN201910015024 A CN 201910015024A CN 109640409 A CN109640409 A CN 109640409A
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China
Prior art keywords
quartz glass
glass tube
graphene
liquid
production technology
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Pending
Application number
CN201910015024.7A
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Chinese (zh)
Inventor
刘朔
崔坤鹏
崔五力
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Tangshan Fengtong Technology Co Ltd
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Tangshan Fengtong Technology Co Ltd
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Priority to CN201910015024.7A priority Critical patent/CN109640409A/en
Publication of CN109640409A publication Critical patent/CN109640409A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/10Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12Heater 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
    • H05B3/14Heater 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
    • H05B3/145Carbon only, e.g. carbon black, graphite
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating

Abstract

The present invention relates to electrically heated technical fields, easy to make more particularly to a kind of production technology of graphene energy-saving quick heating electric heating body, improve heater heating efficiency, reduce resistivity, reduce the heating-up time;The following steps are included: (1) prepares graphene coating liquid: graphene and Nano diamond are made into the dispersion liquid of weight percent 10-20% with sodium nitrate, then the surfactant for accounting for that dispersion liquid weight percent is 1%-4% is added, ultrasonic disperse 10-20min, then adhesive is added, it is stirred evenly at a temperature of 100 DEG C -150 DEG C, forms graphene coating liquid;(2) spraying plating: by the atomization spraying plating of graphene coating liquid on quartz glass tube lateral wall, Electric radiant Heating Film is formed on quartz glass tube lateral wall;(3) swabbing: the both ends appropriate location brushing silver paste in quartz glass tube Electric radiant Heating Film is needed;(4) assemble: quartz glass tube three, both ends put on nylon fixing seat, and wherein intermediate glass pipe is two semi-circular shapes.

Description

A kind of production technology of graphene energy-saving quick heating electric heating body
Technical field
The present invention relates to electrically heated technical fields, more particularly to a kind of production of graphene energy-saving quick heating electric heating body Technique.
Background technique
Currently, existing electric heating, electric heating mainly have heating cable and Electric radiant Heating Film two types.Wherein, in heating cable Core is made of cold line hot line, and outside is made of insulating layer, ground connection, shielded layer and oversheath, after heating cable is powered, hot line hair Heat, and run between 40~60 DEG C of temperature, the heating cable being embedded in filled layer, thermal energy is passed through into heat transfer (convection current) Mode and the far-infrared radiation mode of the 8-13um of sending are transmitted to heated body, and heating cable needs to add more heating alloys Silk, and outer layer needs to coat thermal conductive insulator, high expensive, and increases own wt, some special occasions without Method uses, such as home decoration (carpet, cushion, mural painting, screen), wearable device (electrically-heated suit, gloves etc.).Furthermore it generates heat Cable heating is slower, and local cable is broken if it exists, and there are danger of hazardous electrical discharges, and will directly affect heating efficiency.Electric radiant Heating Film is one The translucent polyester film that can generate heat after kind being powered, by conductive special ink, metal current-carrying item is processed, hot pressing is being insulated It is made between polyester film.Electric radiant Heating Film is divided into for the high-temperature electric heating membrane of electronic apparatus, military affairs etc. and for civilian Low-temp. electrothermal Film.Though low temperature electric heating film can solve the certain shortcomings of heating cable, the conductive filler that Electric radiant Heating Film generallys use be graphite powder, Metal powder (silver powder, aluminium powder etc.) and conductive black, these conductive fillers additive amount in Electric radiant Heating Film is all very big, fills out to metal powder For material, especially silver powder, higher cost, graphite powder and carbon black have unstability, and for a long time using aging is easy, electric arc is sent out Changing causes final heating efficiency to be greatly lowered.
Graphene (Graphene) is peculiar with its by the report such as professor Geim of Univ Manchester UK from 2004 Performance cause scientist extensive concern and great interest, be predicted probably to cause revolutionary change in many fields Change.There are thickness there was only 0.1334nm with two dimensional crystal structure for single-layer graphene, it is the base for constructing other dimension carbonaceous materials This unit, it can wrap up the fullerene to form zero dimension, roll to form one-dimensional carbon nanotube layer upon layer formation three The graphite of dimension, graphene are that a kind of semiconductor of not energy gap has 100 times higher than silicon of carrier mobility (2 × 10cm/v) At room temperature with micron order free path and big coherence length therefore graphene be nanometric circuit ideal material, and graphite Alkene has the specific surface area (2630m/g) of good thermal conductivity [3000W/ (mK)], high intensity (110GPa) and super large, these Excellent performance makes graphene have light in fields such as nano electron device, gas sensor, energy stores and composite materials Application prospect.
Resistivity is attribute of the reactive material to electric current inhibition, and four probe method is the electricity commonly used to measurement semiconductor Resistance rate method,
Existing heater is inconvenient in production, and heater heating efficiency is low, and resistivity is higher, the heating-up time compared with It is long.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of easy to make, raising heater heating efficiency, reduction resistance Rate reduces the production technology of the graphene energy-saving quick heating electric heating body of heating-up time.
The production technology of a kind of graphene energy-saving quick heating electric heating body of the invention, comprising the following steps: (1) prepare graphite Graphene and Nano diamond: being made into the dispersion liquid of weight percent 10-20% by alkene coating liquid with sodium nitrate, is then added and is accounted for Dispersion liquid weight percent is the surfactant of 1%-4%, then adhesive is added, 100 in ultrasonic disperse 10-20min It is stirred evenly at a temperature of DEG C -150 DEG C, forms graphene coating liquid;(2) spraying plating: by the atomization spraying plating of graphene coating liquid in quartz On glass tube lateral wall, Electric radiant Heating Film is formed on quartz glass tube lateral wall;(3) it swabbing: needs in quartz glass tube Electric radiant Heating Film Both ends appropriate location brushing silver paste;(4) assemble: quartz glass tube three, both ends put on nylon fixing seat, wherein intermediate glass Pipe is two semi-circular shapes, remaining two are full circle shape, is placed on screw press and applies pressure until close, both ends It is tightened with lead screw and nut until fastening.
A kind of production technology of graphene energy-saving quick heating electric heating body of the invention, in the step (2) spraying plating include with Lower step:
A, it takes quartz glass tube several, be sent into Muffle furnace and be warming up to 500 DEG C, heat preservation 20min-30min;
B, by graphene coating liquid in nitrogen and the step (1) using gas pressure by delivery pipe respectively by gas nozzle and Liquid mouth sprays, and gas nozzle and liquid mouth are mutually in 90 °, is atomized the liquid sprayed by liquid mouth, pushes atomized liquid to enter spraying plating electric furnace, makes mist Change liquid in conjunction with the quartz glass pipe surface being in high temperature, forms Electric radiant Heating Film in quartz glass tube pipe surface.
A kind of production technology of graphene energy-saving quick heating electric heating body of the invention, in the step (3) swabbing include with Lower step:
A, in the both ends brushing silver paste of quartz glass tube Electric radiant Heating Film;
B, the quartz glass tube of brushing silver paste is put into electric furnace with 190 DEG C of -210 DEG C of drying
C, after quartz glass tube drying, quartz glass tube is sent into reduction furnace reductase 12 0min, reduction furnace temperature is in 570 Between DEG C -620 DEG C.
A kind of production technology of graphene energy-saving quick heating electric heating body of the invention, the nylon in the step (4) are fixed Seat is total to two panels up and down, and every is all made of integral forming process, and every the inside is provided with overflow bridge hole.
A kind of production technology of graphene energy-saving quick heating electric heating body of the invention, adhesive is by weight in the step (1) Measuring percentage is bisphenol-A epoxy vinylite 35-50%, bisphenol type epoxy vinyl ester resin 40-50% and polypyrrole 30-50% composition.
A kind of production technology of graphene energy-saving quick heating electric heating body of the invention, surfactant in the step (1) For ethylene glycol, Tween-80, lauryl sodium sulfate, neopelex, L-lysine, sodium lignin sulfonate, acetone In one or more combined surfactants.
Compared with prior art the invention has the benefit that the present invention uses graphene as conductive filler layer, only need A small amount of graphene is added, good conductive effect can be reached, very little, Nano diamond are influenced on the structure of film-forming carrier The synthesis excellent characteristics of diamond is not only maintain, but also there are also harmless good bio-compatibility, nanometer Buddha's warrior attendants Stone has huge transmissivity and absorptivity to radar wave, infrared and ultraviolet light, and excellent cold cathode field emission effect, there are many surfaces The functional groups such as carboxyl, alkyl, carbonyl, it is easy to which same metal, rubber, plastic polymer, fabric surface are combined closely.In the present invention Film in addition Nano diamond so that the wearability of film and microhardness is greatly improved, in addition, film is anti- Corrosion is also effectively improved.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for Illustrate the present invention, but is not intended to limit the scope of the invention.
Embodiment 1
Graphene and Nano diamond are made into the dispersion liquid of weight percent 10-20% with sodium nitrate, is then added and accounts for Dispersion liquid weight percent be 1%-4% surfactant, surfactant be include lauryl sodium sulfate, dodecyl Benzene sulfonic acid sodium salt, L-lysine, sodium lignin sulfonate, one or more combined surfactants in acetone, ultrasonic disperse 10- 20min, is then added adhesive, and binder wt percentage is bisphenol-A epoxy vinylite 35-50%, bisphenol type epoxy Vinyl ester resin 40-50% and polypyrrole 30-50% is stirred evenly at a temperature of 120 DEG C, forms graphene coating liquid;It takes Quartz glass tube is several, is sent into Muffle furnace and is warming up to 500 DEG C, heat preservation 20min-30min, by nitrogen and graphene coating liquid It is sprayed respectively by gas nozzle and liquid mouth using gas pressure by delivery pipe, gas nozzle and liquid mouth are mutually in 90 °, make the liquid sprayed by liquid mouth Body atomization, pushes atomized liquid to enter spraying plating electric furnace, makes atomized liquid in conjunction with the quartz glass pipe surface being in high temperature, in quartz Glass tube pipe surface forms Electric radiant Heating Film;In the both ends brushing silver paste of quartz glass tube Electric radiant Heating Film, by the quartz glass of brushing silver paste Pipe is put into 190 DEG C of -210 DEG C of drying of electric furnace, and after quartz glass tube drying, quartz glass tube is sent into reduction furnace reductase 12 0min, 590 DEG C of furnace temperature of reduction;Quartz glass tube three, both ends put on nylon fixing seat, and nylon fixing seat is total to two panels up and down, and every Using integral forming process, and every the inside is provided with overflow bridge hole, and wherein intermediate glass pipe is two semi-circular shapes, Two are remaininged for full circle shape, are placed on screw press and are applied pressure until close, both ends lead screw and nut are tightened directly To fastening.
Embodiment 2
Graphene and Nano diamond are made into the dispersion liquid of weight percent 10-20% with sodium nitrate, is then added and accounts for Dispersion liquid weight percent be 1%-4% surfactant, surfactant be include ethylene glycol, Tween-80, L-rely ammonia Then acid, sodium lignin sulfonate, one or more combined surfactants in acetone, ultrasonic disperse 10-20min are added viscous Mixture, binder wt percentage are bisphenol-A epoxy vinylite 35-50%, bisphenol type epoxy vinyl ester resin 40- 50% and polypyrrole 30-50% is stirred evenly at a temperature of 130 DEG C, forms graphene coating liquid;Take quartz glass tube several, It is sent into Muffle furnace and is warming up to 500 DEG C, heat preservation 20min-30min leads to nitrogen with graphene coating liquid using gas pressure It crosses delivery pipe to be sprayed by gas nozzle and liquid mouth respectively, gas nozzle and liquid mouth are mutually in 90 °, are atomized the liquid sprayed by liquid mouth, push mist Change liquid and enter spraying plating electric furnace, makes atomized liquid in conjunction with the quartz glass pipe surface being in high temperature, in quartz glass tube pipe surface Form Electric radiant Heating Film;In the both ends brushing silver paste of quartz glass tube Electric radiant Heating Film, the quartz glass tube of brushing silver paste is put into electric furnace and is used Quartz glass tube after quartz glass tube drying, is sent into reduction furnace reductase 12 0min, restores furnace temperature by 190 DEG C of -210 DEG C of drying 600℃;Quartz glass tube three, both ends put on nylon fixing seat, and nylon fixing seat is total to two panels up and down, every be all made of one at Type technique, and every the inside is provided with overflow bridge hole, and wherein intermediate glass pipe is two semi-circular shapes, remaining two are whole Round is placed on screw press and applies pressure until close, and both ends lead screw and nut are tightened until fastening.
Embodiment 3
Graphene and Nano diamond are made into the dispersion liquid of weight percent 10-20% with sodium nitrate, is then added and accounts for Dispersion liquid weight percent be 1%-4% surfactant, surfactant be include ethylene glycol, Tween-80, L-rely ammonia Then adhesive is added in one or more combined surfactants in acid, sodium lignin sulfonate, ultrasonic disperse 10-20min, Binder wt percentage be bisphenol-A epoxy vinylite 35-50%, bisphenol type epoxy vinyl ester resin 40-50% and Polypyrrole 30-50% is stirred evenly at a temperature of 110 DEG C, forms graphene coating liquid;It takes quartz glass tube several, is sent into horse It not furnace and is warming up to 500 DEG C, keeps the temperature 20min-30min, nitrogen and graphene coating liquid are passed through into conveying using gas pressure Pipe is sprayed by gas nozzle and liquid mouth respectively, and gas nozzle and liquid mouth are mutually in 90 °, is atomized the liquid sprayed by liquid mouth, push atomized liquid into Enter spraying plating electric furnace, make atomized liquid in conjunction with the quartz glass pipe surface being in high temperature, forms electricity in quartz glass tube pipe surface Hotting mask;In the both ends brushing silver paste of quartz glass tube Electric radiant Heating Film, by the quartz glass tube of brushing silver paste be put into electric furnace with 190 DEG C- Quartz glass tube after quartz glass tube drying, is sent into reduction furnace reductase 12 0min, restores 580 DEG C of furnace temperature by 210 DEG C of drying;Stone English glass tube three, both ends put on nylon fixing seat, and nylon fixing seat is total to two panels up and down, and every is all made of integral forming process, And every the inside is provided with overflow bridge hole, and wherein intermediate glass pipe is two semi-circular shapes, remaining two are full circle shape, It is placed on screw press and applies pressure until close, both ends lead screw and nut are tightened until fastening.
Heater made from above-described embodiment is subjected to detection resistance rate with four probe method, heater is with a thickness of 0.3mm, stone Black alkene conductive layer with a thickness of 150um, then it is as follows to obtain result by four probe resistance detector test electricalresistivityρs:
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made Also it should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of production technology of graphene energy-saving quick heating electric heating body, which comprises the following steps: (1) prepare stone Black alkene coating liquid: graphene and Nano diamond are made into the dispersion liquid of weight percent 10-20% with sodium nitrate, are then added The surfactant that dispersion liquid weight percent is 1%-4% is accounted for, then adhesive is added, 100 in ultrasonic disperse 10-20min It is stirred evenly at a temperature of DEG C -150 DEG C, forms graphene coating liquid;(2) spraying plating: by the atomization spraying plating of graphene coating liquid in quartz On glass tube lateral wall, Electric radiant Heating Film is formed on quartz glass tube lateral wall;(3) it swabbing: needs in quartz glass tube Electric radiant Heating Film Both ends appropriate location brushing silver paste;(4) assemble: quartz glass tube three, both ends put on nylon fixing seat, wherein intermediate glass Pipe is two semi-circular shapes, remaining two are full circle shape, is placed on screw press and applies pressure until close, both ends It is tightened with lead screw and nut until fastening.
2. a kind of production technology of graphene energy-saving quick heating electric heating body as described in claim 1, which is characterized in that the step Suddenly in (2) spraying plating the following steps are included:
A, it takes quartz glass tube several, be sent into Muffle furnace and be warming up to 500 DEG C, heat preservation 20min-30min;
B, graphene coating liquid in nitrogen and the step (1) is passed through into delivery pipe respectively by gas nozzle and liquid mouth using gas pressure It sprays, gas nozzle and liquid mouth are mutually in 90 °, are atomized the liquid sprayed by liquid mouth, push atomized liquid to enter spraying plating electric furnace, make atomized liquid In conjunction with the quartz glass pipe surface being in high temperature, Electric radiant Heating Film is formed in quartz glass tube pipe surface.
3. a kind of production technology of graphene energy-saving quick heating electric heating body as described in claim 1, which is characterized in that the step Suddenly in (3) swabbing the following steps are included:
A, in the both ends brushing silver paste of quartz glass tube Electric radiant Heating Film;
B, the quartz glass tube of brushing silver paste is put into electric furnace with 190 DEG C of -210 DEG C of drying
C, quartz glass tube drying after, by quartz glass tube be sent into reduction furnace reductase 12 0min, reduction furnace temperature be in 570 DEG C- Between 620 DEG C.
4. a kind of production technology of graphene energy-saving quick heating electric heating body as described in claim 1, which is characterized in that the step Suddenly the nylon fixing seat in (4) is total to two panels up and down, and every is all made of integral forming process, and every the inside was provided with water Bridge opening.
5. a kind of production technology of graphene energy-saving quick heating electric heating body as described in claim 1, which is characterized in that the step Suddenly in (1) adhesive by weight percent be bisphenol-A epoxy vinylite 35-50%, bisphenol type epoxy vinyl ester resin 40-50% and polypyrrole 30-50% composition.
6. a kind of production technology of graphene energy-saving quick heating electric heating body as described in claim 1, which is characterized in that the step Suddenly in (1) surfactant be ethylene glycol, Tween-80, lauryl sodium sulfate, neopelex, L-lysine, One or more combined surfactants in sodium lignin sulfonate, acetone.
CN201910015024.7A 2019-01-08 2019-01-08 A kind of production technology of graphene energy-saving quick heating electric heating body Pending CN109640409A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110944416A (en) * 2019-10-29 2020-03-31 珠海烯蟀科技有限公司 Graphene composite slurry, heating coating and preparation method thereof
CN112325475A (en) * 2020-10-30 2021-02-05 陆建军 Heating pipe, preparation method of heating pipe and liquid heater
CN113340110A (en) * 2021-06-03 2021-09-03 合肥工业大学 Novel resistance type ultrafast temperature-changing heating furnace and use method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130058859A1 (en) * 2009-07-31 2013-03-07 Massachusetts Institute Of Technology Systems and methods related to the formation of carbon-based nanostructures
CN103632741A (en) * 2013-06-21 2014-03-12 宁波墨西科技有限公司 High-thermal-conductivity and high-electrical-conductivity graphene film and preparation process thereof
CN106752645A (en) * 2016-12-12 2017-05-31 墨宝股份有限公司 A kind of Nano diamond heat dissipation, energy conservation environment-friendlythin thin film coating and its preparation application method
CN107172727A (en) * 2017-05-31 2017-09-15 广西泰亿诺新能源有限公司 Nano electroheating film film liquid is formulated and preparation method and the preparation method of electrothermal tube
CN109309971A (en) * 2018-12-06 2019-02-05 浙江南艺管业有限公司 A kind of electric heating tube with function of temperature control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130058859A1 (en) * 2009-07-31 2013-03-07 Massachusetts Institute Of Technology Systems and methods related to the formation of carbon-based nanostructures
CN103632741A (en) * 2013-06-21 2014-03-12 宁波墨西科技有限公司 High-thermal-conductivity and high-electrical-conductivity graphene film and preparation process thereof
CN106752645A (en) * 2016-12-12 2017-05-31 墨宝股份有限公司 A kind of Nano diamond heat dissipation, energy conservation environment-friendlythin thin film coating and its preparation application method
CN107172727A (en) * 2017-05-31 2017-09-15 广西泰亿诺新能源有限公司 Nano electroheating film film liquid is formulated and preparation method and the preparation method of electrothermal tube
CN109309971A (en) * 2018-12-06 2019-02-05 浙江南艺管业有限公司 A kind of electric heating tube with function of temperature control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110944416A (en) * 2019-10-29 2020-03-31 珠海烯蟀科技有限公司 Graphene composite slurry, heating coating and preparation method thereof
CN112325475A (en) * 2020-10-30 2021-02-05 陆建军 Heating pipe, preparation method of heating pipe and liquid heater
CN113340110A (en) * 2021-06-03 2021-09-03 合肥工业大学 Novel resistance type ultrafast temperature-changing heating furnace and use method thereof

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