CN105357781B - A kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof - Google Patents
A kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof Download PDFInfo
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- CN105357781B CN105357781B CN201510795705.1A CN201510795705A CN105357781B CN 105357781 B CN105357781 B CN 105357781B CN 201510795705 A CN201510795705 A CN 201510795705A CN 105357781 B CN105357781 B CN 105357781B
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Abstract
The invention discloses a kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof, heating tape includes front side emitter layer and backside reflection layer, and the usage ratio of carbon fiber and high reflectance fiber is 5 in front side emitter layer:1‑10:1；The usage ratio of carbon fiber and high reflectance fiber is 1 in backside reflection layer:5‑1:10.1) dosage of carbon fiber and high reflectance fiber is determined respectively；2) after carrying out removal of impurities processing to carbon fiber and high reflectance fiber, size is coated on the surface of carbon fiber and high reflectance fiber；3) carbon fiber and high reflectance fiber for being coated with size are woven into webbing in the form of mixed weaving；4) size of carbon fiber and high reflectance fiber surface is removed after weaving using TRANSIENT HIGH TEMPERATURE method.The present invention realizes the configuration of high reflectance and high emissivity in heating tape back side privileged site, and integral radiation band possesses self-reflection characteristic, the emittance of ribbon fabric calandria can be carried out into orientation change and adjustment.
Description
Technical field
The present invention relates to a kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof.
Background technology
Electrical heating is current industrial, civilian or even Aero-Space universal mode of heating, is prepared in different heating equipment
Heating element heater is the critical component for reaching high efficiency heating.Current electrical heating elements can according to the temperature requirement difference of heated body
It is divided into two categories of middle low temperature and high-temperature heating, heat transfer mode therein is also classified into heat transfer, thermal convection current and heat radiation three
Kind.At present for the firing equipment in vacuum environment, its main mode of heating heats for heat radiation, the mode of heating energy
Enough realize the molecular atoms vibrational structure mechanism of the direct fast exchange of heat, reasonable preparation calandria and heated body, you can reach
The purpose heated to big depth consistency, fully achieve the heating effect of desired homogeneous.Current radiant heating body is
Metal material and ceramic material, a part use efficient heat emitting medium of the carbon materials matter as radiant heating.And generated heat in carbon materials matter
In medium, carbon fiber is the preparing raw material of preferred high-efficiency heater, and the phosphorus content of carbon fiber is close definitely black more than 93%
Body, the thermal coefficient of expansion in vacuum environment and high and low temperature environment are almost equal to zero, and can realize Utopian dimensionally stable effect.
In addition, carbon fiber is also a kind of flexible carbon material, there is high intensity, high-modulus, high temperature resistant, corrosion-resistant, hot environment impurity to release
The high-volume excellent specific property such as few, the manufacture of electric radiation equipment is carried out by the use of carbon fiber as radiation heater, be particularly suitable for industry and add
The multiple fields such as heat, civil heating, low-temperature bake equipment.
But from the point of view of being fed back at present using carbon fiber as the application effect of radiant heating in vacuum body, the calandria of the carbon materials matter
There is also some problems.First, carbon fiber flexible calandria can have substantial amounts of fiber lousiness in processing and assembling process and break
Silk, the fabric resistor and the uniformity of radiation characteristic having a strong impact on；Second, the self-fixing effect of carbon fiber flexible heater is not
Good, the shaping glue used at present is the composite adhesive of various synthetic resin, once formed with carbon fiber filament fiber compound
Structure, occur possess micro-crack in long-term high/low temperature change procedure, resistance homogeneity and the mechanics for influenceing electric heating element are special
Property, prolonged application can cause the damage of overall electric heating element；3rd, carbon fiber belongs to the higher intense radiation material of emissivity, should
Material reaches to the high efficient radiation effect of particular orientation, it is necessary to additional reflection in the intimate absolute black body of all directions and position
Accessory, the difficulty of assembling is added, while comprehensive diffusing radiation also reduces the utilization rate of radiant heating energy.
The content of the invention
The purpose of the present invention is in order to solve technical problem existing for carbon materials matter calandria in the prior art, there is provided a kind of band is anti-
Penetrate carbon fiber braiding radiant heating band of structure and preparation method thereof.
In order to solve upper technical problem, the technical scheme is that：
Application of the high reflectance fiber in carbon fiber braiding radiant heating band is prepared, the high reflectance fiber is metal
Fiber or the composite fibre with reflectance coating.
Preferably, the metallic fiber is copper fiber, aluminum fiber or stainless steel fibre；Composite fibre with reflectance coating
For metal-coated carbon fibers or metal coated ceramic fiber.
A kind of carbon fiber braiding radiant heating band with catoptric arrangement, including front side emitter layer and backside reflection layer, front
The usage ratio of carbon fiber and high reflectance fiber is 5 in emission layer:1-10:1；Carbon fiber and high reflectance in backside reflection layer
The usage ratio of fiber is 1:5-1:10.Backside reflection layer needs to be able to reality by adjusting the amount ratio of carbon fiber and reflecting fibres
Existing, the thickness ratio of backside reflection layer and front side emitter layer is adjusted flexibly according to overall webbing thickness and heating power requirement.
Preferably, the interface of front side emitter layer and backside reflection layer is all prepared with high reflectance fiber.
Preferably, the carbon fiber is any one in T300, T700 or T800 carbon fiber.
The preparation method of the above-mentioned carbon fiber braiding radiant heating band with catoptric arrangement, comprises the following steps：
1) dosage of carbon fiber and high reflectance fiber is determined respectively；The dosage is according to required heating power and spoke
Penetrate heat energy and require what is determined.
2) after carrying out removal of impurities processing to carbon fiber and reflecting fibres, coat and soak on the surface of carbon fiber and high reflectance fiber
Moisten agent；Combined in the effective interface that fiber surface is coated when certain size can realize different fiber mixing.
3) it is coated with the carbon fiber of size and high reflectance fiber weaves to become band and knitted in the form of mixed weaving
Thing；If the intensity that webbing locally needs to bear is more than the intensity that other positions need to bear, it is strong that local braiding is carried out to it
Change；
4) size of carbon fiber and high reflectance fiber surface is removed after weaving using TRANSIENT HIGH TEMPERATURE method.
Preferably, in step 2), the size accounts for the 5-10% of total weight of fiber.The size of the usage amount can make
Preferably infiltrate, be bonded between different types of fiber.
Preferably, in step 2), the size is thermoplastic composite adhesive, is thermoplastic resin and thermosetting resin
Mixture.Ratio is adjusted flexibly according to actual requirement in its weight ratio.
It is further preferred that the thermoplastic resin is polyurethane resin, polyphenylene sulfide, polyvinyl resin or poly- third
One or more in olefine resin；The thermosetting resin is phenolic resin, epoxy resin, unsaturated polyester resin or silica gel tree
One or more in fat.
Preferably, in step 4), TRANSIENT HIGH TEMPERATURE is provided by the way of brief energization, the voltage of energization is 100-220V,
The time of brief energization is 1-3s.
Due to carbon fiber, as radiant heating in vacuum cognition, there are the following problems.First, carbon fiber flexible calandria is adding
There can be substantial amounts of fiber lousiness fracture of wire in work and assembling process, the fabric resistor and the uniformity of radiation characteristic having a strong impact on；
Second, the self-fixing effect of carbon fiber flexible heater is bad, and the shaping glue used at present is the compound of various synthetic resin
Adhesive, once with carbon fiber filament fiber formed composite construction, occur in long-term high/low temperature change procedure possess it is micro-
Crackle, influences the resistance homogeneity and mechanical characteristic of electric heating element, and prolonged application can cause the damage of overall electric heating element；3rd,
Carbon fiber belongs to the higher intense radiation material of emissivity, and the material reaches pair in the intimate absolute black body of all directions and position
The high efficient radiation effect of particular orientation adds the difficulty of assembling, while comprehensive diffusing radiation, it is necessary to additional reflection accessory
Reduce the utilization rate of radiant heating energy.It can be seen that its of the calandria following performance relatively difficult to achieve of existing carbon fiber braiding
One of：Uniformity, self-fixing ability and the efficient utilization of radiation of heating, it is more difficult to which realization takes into account three of the above performance.
Using carbon fiber and the shuffling of high reflectance fiber in the present invention, because high reflectance fiber is metallic fiber, have preferable
Elasticity and rigidity, realize the flexible and rigid of heating tape, and then realize the flexible sizing of heating tape, it is therefore prevented that carbon fiber
Fracture of wire caused by excessive deformation, it also avoid coating the micro-crack of shaping glue appearance on carbon fiber to heating tape resistance homogeneity
With the influence of mechanical property.
Meanwhile high reflectance fiber has preferable radiation reflective ability, with carbon fiber shuffling, heating tape is improved to spoke
The orienting reflex ability of energy is penetrated, realizes effective utilization of radiation, it is additional to solve traditional carbon fiber heating body installation needs
The drawbacks of reflecting accessory.
The beneficial effects of the invention are as follows：
1st, carbon fiber radiant heating band of the invention uses the mixed weaving of high emissivity carbon fiber and high reflectance fiber,
Strengthened by the local braiding that mixes of braiding structure, realize the flexibility of integral radiation heating tape and the target rigidly having both,
On the basis of can arbitrarily bending, fiber is possessed certain toughness and elasticity, can adapt to the size under different temperatures environment
Change, has extremely strong assembling adaptability.
2nd, carbon fiber radiant heating band of the invention, by mixed weaving structure, at the heating tape back side, privileged site is realized
The configuration of high reflectance and high emissivity, integral radiation band possess self-reflection characteristic, can be by ribbon fabric calandria
Emittance carries out orientation change and adjustment, realizes that the maximal efficiency of carbon fiber radiant heating physical efficiency amount utilizes.
3rd, the positive normal direction total emissivity of described carbon fiber and high reflectance fiber hybrid braiding radiant heating band is reachable
To more than 0.9, the reflectivity at the back side can reach less than 0.6, can orient radiation energy and focus on a certain specific direction, improve radiation
The utilization rate of energy.
Brief description of the drawings
Fig. 1 is the carbon fiber braiding radiant heating band schematic diagram with catoptric arrangement.
Wherein, 1, front side emitter layer, 2, backside reflection layer.
Embodiment
With reference to specific embodiments and the drawings, the invention will be further described.
Embodiment 1
Carrying out mixing knitting forming heating tape using T300 carbon fibers and stainless steel fibre, number of braided strand is 12 strands, wherein
The dosage in stainless steel fibre and T300 carbon fibers overleaf reflecting layer 2 is 5:1, and front side emitter layer 1 stainless steel fibre with
The usage ratio of T300 carbon fibers is 1:5, carbon fiber is removed into surface size agent using TRANSIENT HIGH TEMPERATURE method first, energization uses can
Control silicon pressure regulator is adjusted to 150V voltages, and conduction time is 3 seconds.Carbon fiber after removing sizing agent is being compiled with stainless steel fibre
Precoating size before knitting, coating are carried out by the way of dipping, coat the assorted fibre of size according to backside reflection layer 2
The ratio set with front side emitter layer 1 is woven, and being powered after braiding using TRANSIENT HIGH TEMPERATURE method removes the size on surface, can
Control silicon pressure regulation is set as 220V, and conduction time is 2 seconds, remove the unit resistance of heating tape after size for 10 ohm/
Rice, positive normal direction total emissivity reach 0.91, and backside reflection rate is 0.58.
Embodiment 2
Carry out mixing knitting forming heating tape using T700 carbon fibers and copper fiber, number of braided strand is 15 strands, and wherein copper is fine
Dimension with T700 carbon fibers overleaf reflecting layer 2 dosage be 4:1, and the stainless steel fibre and T700 carbon in front side emitter layer 1 are fine
The usage ratio of dimension is 1:4, carbon fiber is removed into surface size agent using TRANSIENT HIGH TEMPERATURE method first, energization uses silicon-controlled voltage regulation
Device is adjusted to 180V voltages, and conduction time is 2 seconds.Remove the carbon fiber and copper fiber precoating before braiding after sizing agent
Size, coating are carried out by the way of dipping, coat the assorted fibre of size according to front side emitter layer 1 and backside reflection layer
The ratio of 2 settings is woven, and being powered after braiding using TRANSIENT HIGH TEMPERATURE method removes the size on surface, silicon-controlled voltage regulation setting
For 200V, conduction time is 3 seconds, and the unit resistance of the heating tape after removing size is 8 ohm/meters, and positive normal direction is complete
Emissivity reaches 0.90, and backside reflection rate is 0.55.
Embodiment 3
Carry out mixing knitting forming heating tape using T800 carbon fibers and aluminum fiber, number of braided strand is 20 strands, and wherein aluminium is fine
Dimension with T800 carbon fibers overleaf reflecting layer 2 dosage be 9:1, and in the aluminum fiber and T800 carbon fibers of front side emitter layer 1
Usage ratio is 1:9, carbon fiber is removed into surface size agent using TRANSIENT HIGH TEMPERATURE method first, is powered and is adjusted using thyristor regulating depressor
Whole is 220V voltages, and conduction time is 1 second.Remove carbon fiber precoating infiltration before braiding with aluminum fiber after sizing agent
Agent, coating are carried out by the way of dipping, and the assorted fibre for coating size is set according to backside reflection layer 2 and front side emitter layer 1
Fixed ratio is woven, and being powered after braiding using TRANSIENT HIGH TEMPERATURE method removes the size on surface, and silicon-controlled voltage regulation is set as
210V, conduction time are 3 seconds, and the unit resistance of the heating tape after removing size is 5 ohm/meters, and positive normal direction is sent out entirely
The rate of penetrating reaches 0.93, and backside reflection rate is 0.51.
Embodiment 4
Carrying out mixing knitting forming heating tape using T300 carbon fibers and nickel coating carbon fiber, number of braided strand is 18 strands, its
The dosage in middle nickel coating carbon fiber and T300 carbon fibers overleaf reflecting layer 2 is 5:1, and in the nickel coating carbon of front side emitter layer 1
The usage ratio of fiber and T300 carbon fibers is 1:5, carbon fiber is removed into surface size agent using TRANSIENT HIGH TEMPERATURE method first, is powered
220V voltages are adjusted to using thyristor regulating depressor, conduction time is 1 second.Remove the carbon fiber and nickel coating carbon after sizing agent
Fiber precoating size before braiding, coating are carried out by the way of dipping, coat the assorted fibre of size according to the back side
The ratio that reflecting layer 2 and front side emitter layer 1 are set is woven, and being powered after braiding using TRANSIENT HIGH TEMPERATURE method removes the leaching on surface
Moisten agent, silicon-controlled voltage regulation is set as 220V, and conduction time is 2 seconds, and the unit resistance of the heating tape after removing size is 7
Ohm/meter, positive normal direction total emissivity reach 092, and backside reflection rate is 050.
Above-mentioned although the embodiment of the present invention is described with reference to accompanying drawing, not to invention protection domain
Limitation, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not required to
Pay various modifications that creative work can make or deformation is still within the scope of the present invention.
Claims (8)
- A kind of 1. carbon fiber braiding radiant heating band with catoptric arrangement, it is characterised in that：It is anti-including front side emitter layer and the back side Layer is penetrated, the usage ratio of carbon fiber and high reflectance fiber is 5 in front side emitter layer:1-10:1；Carbon fiber in backside reflection layer Usage ratio with high reflectance fiber is 1:5-1:10；The high reflectance fiber is metallic fiber or the composite fibre with reflectance coating.
- 2. carbon fiber according to claim 1 weaves radiant heating band, it is characterised in that：Front side emitter layer and backside reflection All use described high reflectance fibrage in the interface of layer.
- 3. carbon fiber according to claim 1 weaves radiant heating band, it is characterised in that：The carbon fiber be T300, Any one in T700 or T800 carbon fibers.
- 4. the preparation method of any carbon fiber braiding radiant heating bands with catoptric arrangement of claim 1-3, its feature exist In：Comprise the following steps：1) dosage of carbon fiber and high reflectance fiber is determined respectively；2) after carrying out removal of impurities processing to carbon fiber and high reflectance fiber, coat and soak on the surface of carbon fiber and high reflectance fiber Moisten agent；3) carbon fiber and high reflectance fiber for being coated with size are woven into webbing in the form of mixed weaving；If The intensity that webbing locally needs to bear is more than the intensity that other positions need to bear, and local braiding is carried out to it and is strengthened；4) size of carbon fiber and high reflectance fiber surface is removed after weaving using TRANSIENT HIGH TEMPERATURE method.
- 5. preparation method according to claim 4, it is characterised in that：In step 2), the size accounts for total weight of fiber 5-10%.
- 6. preparation method according to claim 4, it is characterised in that：In step 2), the size is thermoplastic composite Adhesive, it is the mixture of thermoplastic resin and thermosetting resin.
- 7. preparation method according to claim 6, it is characterised in that：The thermoplastic resin is polyurethane resin, polyphenyl One or more in sulfide resin, polyvinyl resin or acrylic resin；The thermosetting resin is phenolic resin, asphalt mixtures modified by epoxy resin One or more in fat, unsaturated polyester resin or silica column.
- 8. preparation method according to claim 4, it is characterised in that：In step 4), provided by the way of brief energization TRANSIENT HIGH TEMPERATURE, the voltage of energization is 100-220V, and the time of brief energization is 1-3s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510795705.1A CN105357781B (en) | 2015-11-18 | 2015-11-18 | A kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795705.1A CN105357781B (en) | 2015-11-18 | 2015-11-18 | A kind of carbon fiber braiding radiant heating band with catoptric arrangement and preparation method thereof |
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| CN105357781A CN105357781A (en) | 2016-02-24 |
| CN105357781B true CN105357781B (en) | 2018-03-02 |
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| CN106285499B (en) * | 2016-08-11 | 2019-01-29 | 山东中恒碳纤维科技发展有限公司 | A kind of continuous carbon fibre composite material sucker rod and preparation method thereof with electric heating function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543264A (en) * | 2003-04-10 | 2004-11-03 | 整体技术公司 | Low cost heating devices manufactured from conductive loaded resin-based materials |
| CN101203075A (en) * | 2006-12-15 | 2008-06-18 | 逢甲大学 | Laminating fabric heater and preparation thereof |
| CN201976271U (en) * | 2010-08-13 | 2011-09-14 | 刘宁和 | Conductive fiber heating wire |
| CN103194842A (en) * | 2013-04-09 | 2013-07-10 | 北京光华纺织集团有限公司 | Metal-wire-containing electric heating fabric suitable for severe environment |
| CN203290610U (en) * | 2013-06-07 | 2013-11-20 | 西南大学 | Anti-radiation electric blanket |
-
2015
- 2015-11-18 CN CN201510795705.1A patent/CN105357781B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543264A (en) * | 2003-04-10 | 2004-11-03 | 整体技术公司 | Low cost heating devices manufactured from conductive loaded resin-based materials |
| CN101203075A (en) * | 2006-12-15 | 2008-06-18 | 逢甲大学 | Laminating fabric heater and preparation thereof |
| CN201976271U (en) * | 2010-08-13 | 2011-09-14 | 刘宁和 | Conductive fiber heating wire |
| CN103194842A (en) * | 2013-04-09 | 2013-07-10 | 北京光华纺织集团有限公司 | Metal-wire-containing electric heating fabric suitable for severe environment |
| CN203290610U (en) * | 2013-06-07 | 2013-11-20 | 西南大学 | Anti-radiation electric blanket |
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