CN109509577A - Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment - Google Patents
Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment Download PDFInfo
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- CN109509577A CN109509577A CN201811363724.7A CN201811363724A CN109509577A CN 109509577 A CN109509577 A CN 109509577A CN 201811363724 A CN201811363724 A CN 201811363724A CN 109509577 A CN109509577 A CN 109509577A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 150000001875 compounds Chemical class 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 239000010410 layer Substances 0.000 claims abstract description 33
- 239000004964 aerogel Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000002356 single layer Substances 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000004108 freeze drying Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 238000000875 high-speed ball milling Methods 0.000 claims description 3
- 239000005368 silicate glass Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 claims 1
- 235000013312 flour Nutrition 0.000 claims 1
- 239000012046 mixed solvent Substances 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000006184 cosolvent Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses the resistance to 1000 DEG C of high temperature wires of microlight-type, including core, which is characterized in that is coated with aeroge compound inslation outside core, aeroge compound inslation helically wrapped multilayered structure, the surface layer of aeroge compound inslation is additionally provided with compacted zone；In single layer structure with along core diameter to microchannel, the aperture of microchannel is gradually increased from inside to outside；Aeroge in aeroge compound inslation is specifically mixed by the silica-based aerogel of large, medium and small three kinds of partial sizes in proportion；Production equipment of the invention includes the rotating mechanism of the sliding equipment with brush head and jacketed, the preparation method is as follows: covering core in collet, brush head is set to carry the online wicking surface of aeroge insulating composite coating, brush head moves again along wire core shaft yearning, and collet drives core rotation.Structure of the present invention constructs a kind of thermal insulation layer of wrapped multilayered structure of spiral, this thermal insulation layer flexibility is preferable, manufactured high temperature resistant wire can free folding, and deformed heat insulation is still preferable, and use is very convenient.
Description
Technical field
The present invention relates to resistance to 1000 DEG C of high temperature wires in lead technology field more particularly to microlight-type and preparation method thereof and life
Produce equipment.
Background technique
Cable conductor and some electrical instrumentation connecting lines, many times need be used in some extreme environments in, as high temperature,
Under the environment such as low temperature, high humidity, high fire-retardance, it is necessary to carry out packet and connect thermal insulation layer to protect to conducting wire.
Especially when environment temperature is more than 1000 DEG C, many traditional heat-barrier materials can not all be applied, active
Only ceramics, inorganic clay, refractory glass fibre, silica-based aerogel etc..
Ceramics, inorganic clay and refractory glass fibre will generally carry out being prepared by way of sintering, cause
The thermal insulation layer hardness prepared is larger, and shape is also relatively fixed, is not easy to the installation and removal of cable conductor.It is ceramic, inorganic simultaneously
The heat conductivity of clay and refractory glass fibre is not also low, therefore while being practical application is generally used multilayer and thickeies or folder
Layer, the even structure of hollow sandwich cause the thickness outside conducting wire too big, and weight is too heavy, according to experiment statistics by ceramic thermal barrier layer
Conducting wire when being placed in 10min or more in 1000 DEG C of environment, if to guarantee the temperature of conducting wire lower than 200 DEG C, the ceramics needed
Thickness is more than 20mm, and the weight of single meter of conducting wire increases 3-4 times, very application of the influence high temperature resistant wire in extreme environment.
On the other hand, silica-based aerogel has very big application prospect in heat-insulated field, as one is added in suit
The aerogel layer of 18mm thickness, then high temperature and subzero 130 DEG C of ultralow temperature that it can help astronaut to shoulder 1300 DEG C.
To sum up, how aeroge to be applied in high temperature resistant wire field, especially resistance to 1000 DEG C of extreme environment, simultaneously
The flexibility that guarantees aerogel heat-proof layer again, to not influence the installation and disassembly of cable conductor, this point also this field
One of technical problem.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the resistance to 1000 DEG C of high temperature of microlight-type proposed
Conducting wire and preparation method thereof and production equipment.
To achieve the goals above, present invention employs following technical solutions:
The resistance to 1000 DEG C of high temperature wires of microlight-type, including core, core are coated with aeroge compound inslation outside.
Preferably, core is twisted by multiply nickel plating flexible conductor, aeroge compound inslation helically wrapped multilayer
The surface layer of structure, aeroge compound inslation is additionally provided with compacted zone.
Preferably, the single layer helical structure of aeroge compound inslation is specifically by aeroge coating along the mode of spiral motion
Round brush forms, the track of spiral motion be along wire core shaft to precession and be formed by stacking along the rotation of core circumferencial direction, line
For core by duplicate spiral round brush up to the multi layer spiral structure of aeroge compound inslation, the thickness of aeroge compound inslation is not high
In 6mm, the number of plies of aeroge compound inslation helical structure is 10-30 layers.
Preferably, the single layer structure of aeroge compound inslation with along core diameter to microchannel, the aperture of microchannel from
Interior to being gradually increased outside, the pore diameter range of inside is 0.1-0.3um, and the pore diameter range in outside is 0.3-0.5um, the hole of microchannel
Gap rate is 10-15%, and the present invention removes the solvent in aeroge coating by the way of freeze-drying, to be formed from inside to outside
The microchannel being gradually increased.
Preferably, the porosity of compacted zone is lower than 2%, and the aperture of compacted zone is not higher than 0.01um.
Preferably, adjacent microchannel does not also penetrate through discontinuously.
Further, aeroge compound inslation contains the following parts by weight: 100 parts of aerogel powder, epoxy
20-40 parts of resin, 10-20 parts of fibre blend, 10-20 parts of high-temperature fibre cloth waste, 3-8 parts of silicone rubber powder, hydroxyl fiber
It is 5-10 parts plain, 2-8 parts of calgon, 0.5-2 parts of talcum powder.
Further, aerogel powder is specifically pressed the weight ratio of 1:2:1 by the silica-based aerogel of large, medium and small three kinds of partial sizes
Example mixes, the particle size range of aeroge are as follows: big partial size 0.5-0.9mm, middle partial size: 0.2-0.5mm, small particle: 0.05-
0.2mm。
Further, fibre blend by short glass fiber and long high-temperature fibre by the weight ratio mixing of 1:1 and
At long high-temperature fibre is specifically SiC fiber or composition silicate glass, and the length of long high-temperature fibre is 10-20mm, short
The length of glass fibre is 0.5-2mm.
Further, high-temperature fibre cloth waste is specifically the grid cloth as made of fiberglass braided.
The invention also provides the preparation methods of the resistance to 1000 DEG C of high temperature wires of microlight-type, comprising the following steps:
Multiply nickel plating flexible conductor is twisted core by S1, spare；
S2, the preparation of aeroge insulating composite coating: according to formula rate above-mentioned, raw material being added sequentially in ball mill,
And addition accounts for 0.2-0.5 times of raw material weight of water, high speed ball milling 3-5h obtains suspension；
S3, using hairbrush by suspension, round brush to core surface, after standing slightly, the mixing that core is placed in ethanol/acetone is molten
Agent is aged 3-8h, removes solvent after freeze-drying, obtain dry aeroge composite layer；
Dry aeroge composite layer is sprayed hole sealing agent thin layer by S4 again, then thin with the roasting toast hole sealing agent of 600-800 DEG C of oxycetylene flame
Layer 2-5s, obtains aeroge compound inslation, obtains resistance to 1000 DEG C of high temperature wires of finished product.
Preferably, the hole sealing agent in S4 is specifically asphaltic base aluminium paste.
The invention also provides a kind of production equipments for the resistance to 1000 DEG C of high temperature wires of microlight-type, including coat warehouse,
The aforementioned resistance to 1000 DEG C of high temperature wires of finished product obtained are worn and connect the top for coating warehouse in coating warehouse equipped with sliding equipment, are applied
The side opening for covering warehouse is equipped with rotating mechanism；
Sliding equipment includes double crossbeams, sliding block, charging box and coating box, and double crossbeams are the identical cunning of two height disposed in parallel
Bar, sliding block are socketed on double crossbeams, and sliding block passes through the top that telescopic rod is connected to charging box and coating box, charging box and painting respectively
Cover and be connected between box by communicating pipe, be additionally provided with feed opening at the top of charging box, the top of coating box also pass through tracheae with
The bottom of force (forcing) pump connection, coating box is equipped with brush head；
Rotating mechanism includes bearing block and collet, the ring-shaped base of bearing hole is equipped with centered on bearing block, collet is by two panels arc
Piece composition, one end of collet are vertically welded on the side of bearing block, and the periphery of bearing block is equipped with gear grooved, and bearing block passes through
Gear and the ratcheting connection of shaft, one end of shaft is connected to motor；
The size of core is less than the bearing aperture of bearing block, and the size of core is less than the inside dimension of collet, the outer surface of collet
Equipped with fastening bolt.
Preferably, sliding block is connect with traction device, and double crossbeams are arranged in parallel with core, and sliding block is transported along the axial reciprocating of core
It is dynamic.
Preferably, bearing block is rotated around the center of circle of core.
Compared with prior art, the beneficial effects of the present invention are:
1. production equipment of the invention controls the movement of sliding equipment and rotating mechanism, two movements by motor and traction device
Mode is superimposed, and makes brush head in the motion profile of core helically precession；Change the direction of motion of sliding equipment and rotating mechanism, weight
The multiple above operation, thus the helically aeroge compound inslation of wrapped multilayered structure in online outer core coating.
2. the present invention by way of freeze-drying, removes the solvent in aeroge coating, thus compound absolutely in aeroge
The single layer structure of edge forms long-range less than the partial size of the micro-nano aperture aeroge of 0.5um, fiber, silicon rubber and other components
In the aperture of microchannel, it is easy blocking microporous road；Simultaneously because aeroge compound inslation is multi layer spiral structure, microchannel can not
Continuous and perforation, to plug the gas passage of core and environment substantially, greatly improves heat insulation.
3. the present invention uses special formula, using aerogel powder as main component, fibre blend and high-temperature fibre
Cloth waste is stabilized structure agent, and it is to help with calgon that epoxy resin, silicone rubber powder and hydroxylated cellulose, which are thickening solubilizer,
Solvent, talcum powder are the cosolvent and dispersing agent of auxiliary, and aeroge suspension is made；Using special coating apparatus, to core
Using special coating method, on the outer wall that aeroge suspension is coated with core in such a way that spiral is intersected, into repeatedly painting excessively
Cloth constitutes the special thermal insulation layer with the wrapped multilayered structure of spiral, this thermal insulation layer flexibility is preferable, manufactured high temperature resistant wire
Can free folding, and deformed heat insulation is still preferable, and use is very convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention；
Fig. 2 is that the microchannel blocking principle of the aeroge compound inslation of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention is shown
It is intended to；
Fig. 3 is the single layer helical structure signal of the aeroge compound inslation of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention
Figure；
Fig. 4 is the structural schematic diagram of the production equipment of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention；
Fig. 5 is the structural schematic diagram of the sliding equipment of the production equipment of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention；
Fig. 6 is the sectional view of the rotating mechanism of the production equipment of the resistance to 1000 DEG C of high temperature wires of microlight-type proposed by the present invention；
In figure: 1 core, 2 aeroge compound inslations, 3 coating warehouses, 4 pairs of crossbeams, 5 sliding blocks, 6 charging boxs, 7 coating box, 8 are stretched
Bar, 9 communicating pipes, 10 feed openings, 11 force (forcing) pumps, 12 brush heads, 13 bearing blocks, 14 collets, 15 gear grooveds, 16 shafts, 17 motors, 18
Fastening bolt.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, the resistance to 1000 DEG C of high temperature wires of microlight-type, including core 1, core 1 are coated with aeroge compound inslation outside
2；Core 1 is twisted by multiply nickel plating flexible conductor, the helically wrapped multilayered structure of aeroge compound inslation 2, aeroge
The surface layer of compound inslation 2 is additionally provided with compacted zone, and the single layer helical structure of aeroge compound inslation 2 is specifically by aeroge coating edge
The mode round brush of spiral motion forms, and the track of spiral motion is to turn along the axial precession of core 1 and along 1 circumferencial direction of core
Made of fold adds, multi layer spiral structure of the core 1 by duplicate spiral round brush up to aeroge compound inslation 2, aeroge
The thickness of compound inslation 2 is not higher than 6mm, and the number of plies of 2 helical structure of aeroge compound inslation is 10-30 layers, and aeroge is compound absolutely
The single layer structure of edge 2 has the microchannel radial along core 1, and the aperture of microchannel is gradually increased from inside to outside, the aperture of inside
Range is 0.1-0.3um, and the pore diameter range in outside is 0.3-0.5um, and the porosity of microchannel is 10-15%, the hole of compacted zone
Rate is lower than 2%, and the aperture of compacted zone is not higher than 0.1um, and adjacent microchannel does not also penetrate through discontinuously；The present invention is dry by freezing
Dry mode removes the solvent in aeroge coating, so that the single layer structure in aeroge compound inslation 2 is formed less than 0.5um
Micro-nano aperture aeroge, fiber, silicon rubber and other components partial size be much larger than the aperture of microchannel, it is micro- to be easy blocking
Duct；Simultaneously because aeroge compound inslation 2 is multi layer spiral structure, microchannel can not be continuous and be penetrated through, to block substantially
The gas passage of core 1 and environment, greatly improves heat insulation.
Aeroge compound inslation 2 contains the following parts by weight: 100 parts of aerogel powder, epoxy resin 20-40
Part, 10-20 parts of fibre blend, 10-20 parts of high-temperature fibre cloth waste, 3-8 parts of silicone rubber powder, 5-10 parts of hydroxylated cellulose,
2-8 parts of calgon, 0.5-2 parts of talcum powder；Aerogel powder specifically presses 1 by the silica-based aerogel of large, medium and small three kinds of partial sizes:
The weight ratio of 2:1 mixes, the particle size range of aeroge are as follows: big partial size 0.5-0.9mm, middle partial size: 0.2-0.5mm is small
Partial size: 0.05-0.2mm；Fibre blend is mixed by short glass fiber and long high-temperature fibre by the weight ratio of 1:1,
Long high-temperature fibre is specifically SiC fiber or composition silicate glass, and the length of long high-temperature fibre is 10-20mm, short glass
The length of glass fiber is 0.5-2mm；High-temperature fibre cloth waste is specifically the grid cloth as made of fiberglass braided.
The invention also provides the preparation methods of the resistance to 1000 DEG C of high temperature wires of microlight-type, comprising the following steps:
Multiply nickel plating flexible conductor is twisted core 1 by S1, spare；
S2, the preparation of aeroge insulating composite coating: according to formula rate above-mentioned, raw material being added sequentially in ball mill,
And addition accounts for 0.2-0.5 times of raw material weight of water, high speed ball milling 3-5h obtains suspension；
S3, using hairbrush by suspension, core 1 is placed in the mixing of ethanol/acetone after standing slightly by round brush to 1 surface of core
Solvent is aged 3-8h, removes solvent after freeze-drying, obtain dry aeroge composite layer；
Dry aeroge composite layer, is sprayed the hole sealing agent thin layer of asphaltic base aluminium paste by S4 again, then with 600-800 DEG C of oxycetylene flame
Roasting toast hole sealing agent thin layer 2-5s, obtains aeroge compound inslation 2, obtains resistance to 1000 DEG C of high temperature wires of finished product.
The invention also provides a kind of production equipments for the resistance to 1000 DEG C of high temperature wires of microlight-type, including coat warehouse 3,
The aforementioned resistance to 1000 DEG C of high temperature wires of finished product obtained to be worn and are connect in coating warehouse 3, the top of coating warehouse 3 is equipped with sliding equipment,
The side opening for coating warehouse 3 is equipped with rotating mechanism；Sliding equipment includes double crossbeams 4, sliding block 5, charging box 6 and coating box 7,
Double crossbeams 4 are the identical slide bar of two height disposed in parallel, and sliding block 5 is socketed on double crossbeams 4, and sliding block 5 is respectively by flexible
Bar 8 is connected to the top of charging box 6 and coating box 7, by being connected communicating pipe 9 between charging box 6 and coating box 7, feeds
The top of case 6 is additionally provided with feed opening 10, and the top of coating box 7 also passes through tracheae and connect with force (forcing) pump 11, and the bottom of coating box 7 is set
There is brush head 12；Rotating mechanism includes bearing block 13 and collet 14, and the ring-shaped base of bearing hole, collet are equipped with centered on bearing block 13
14 are made of two panels arc-like sheet, and one end of collet 14 is vertically welded on the side of bearing block 13, and the periphery of bearing block 13 is set
There is gear grooved 15, by gear and the ratcheting connection of shaft 16, one end of shaft 16 is connect bearing block 13 with motor 17；Core 1
Size is less than the bearing aperture of bearing block 13, and the size of core 1 is less than the inside dimension of collet 14, and the outer surface of collet 14 is equipped with
Fastening bolt 18；Sliding block 5 is connect with traction device, and double crossbeams 4 are arranged in parallel with core 1, axial reciprocating of the sliding block 5 along core 1
Movement；Bearing block 13 is rotated around the center of circle of core 1.
Production equipment of the invention when in use, according to the method described above installs sliding equipment and rotating mechanism, by line
Core 1 passes through coating warehouse 3, and core 1 is clipped in collet 14, and aeroge suspension is added in charging box 6, by motor and leads
Leading-in device controls the movement of sliding equipment and rotating mechanism, and two motion mode superpositions make brush head 12 in the helically precession of core 1
Motion profile；Adjust the height of brush head by telescopic rod 8, change the direction of motion of sliding equipment and rotating mechanism, repeat with
Upper operation, thus in the outer wall helically wrapped multilayered structure of core 1, and the both ends between each layer are connected with and connect, phase
When Yu Yigen strap on core 1 multi-lay winding.
The present invention uses special formula, and using aerogel powder as main component, fibre blend and high-temperature fibre are broken
Cloth is stabilized structure agent, and epoxy resin, silicone rubber powder and hydroxylated cellulose are thickening solubilizer, using calgon as hydrotropy
Agent, talcum powder are the cosolvent and dispersing agent of auxiliary, and aeroge suspension is made；Using special coating apparatus, core 1 is adopted
With special coating method, aeroge suspension is coated on the outer wall of core 1 in such a way that spiral is intersected, into repeatedly painting excessively
Cloth constitutes the special thermal insulation layer with the wrapped multilayered structure of spiral, this thermal insulation layer flexibility is preferable, manufactured high temperature resistant wire
Can free folding, and deformed heat insulation is still preferable, and use is very convenient.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. the resistance to 1000 DEG C of high temperature wires of microlight-type, including core (1), which is characterized in that the core (1) is coated with aeroge outside
Compound inslation (2).
2. the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 1, which is characterized in that the core (1) is by multiply
Nickel plating flexible conductor is twisted, and helically wrapped multilayered structure, the aeroge are compound for the aeroge compound inslation (2)
The surface layer of insulation (2) is additionally provided with compacted zone；
The single layer helical structure of the aeroge compound inslation (2) is specifically by aeroge coating along the mode round brush of spiral motion
It forming, the track of spiral motion is that the precession along core (1) axial direction and the rotation along core (1) circumferencial direction are formed by stacking,
For the core (1) by duplicate spiral round brush up to the multi layer spiral structure of aeroge compound inslation (2), the aeroge is multiple
The thickness for closing insulation (2) is not higher than 6mm, and the number of plies of aeroge compound inslation (2) helical structure is 10-30 layers；
The single layer structure of the aeroge compound inslation (2) has the microchannel along core (1) radial direction, the aperture of the microchannel
It is gradually increased from inside to outside, the pore diameter range of inside is 0.1-0.3um, and the pore diameter range in outside is 0.3-0.5um, the micropore
The porosity in road is 10-15%；The porosity of the compacted zone is lower than 2%, and the aperture of the compacted zone is not higher than 0.1um；
The adjacent microchannel does not also penetrate through discontinuously.
3. the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 1 or 2, which is characterized in that the aeroge is compound
Insulation (2) contains the following parts by weight: 100 parts of aerogel powder, 20-40 parts of epoxy resin, fibre blend 10-20
Part, it is 10-20 parts of high-temperature fibre cloth waste, 3-8 parts of silicone rubber powder, 5-10 parts of hydroxylated cellulose, 2-8 parts of calgon, sliding
0.5-2 parts of mountain flour.
4. the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 3, which is characterized in that the aerogel powder is specific
It is mixed by the silica-based aerogel of large, medium and small three kinds of partial sizes by the weight ratio of 1:2:1, the particle size range of aeroge are as follows: big grain
Diameter 0.5-0.9mm, middle partial size: 0.2-0.5mm, small particle: 0.05-0.2mm.
5. the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 3, which is characterized in that the fibre blend is by short
Glass fibre and long high-temperature fibre are mixed by the weight ratio of 1:1, the long high-temperature fibre be specifically SiC fiber or
It is composition silicate glass, the length of the long high-temperature fibre is 10-20mm, and the length of the short glass fiber is 0.5-
2mm。
6. the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 3, which is characterized in that the high-temperature fibre cloth waste
The specifically grid cloth as made of fiberglass braided.
7. the preparation method of the resistance to 1000 DEG C of high temperature wires of microlight-type, which comprises the following steps:
Multiply nickel plating flexible conductor is twisted core (1) by S1, spare；
S2, the preparation of aeroge insulating composite coating: raw material is added sequentially to ball milling by formula rate according to claim 2
In machine, and addition accounts for 0.2-0.5 times of raw material weight of water, and high speed ball milling 3-5h obtains suspension；
S3, using hairbrush by suspension, core (1) is placed in ethanol/acetone after standing slightly by round brush to core (1) surface
Mixed solvent is aged 3-8h, removes solvent after freeze-drying, obtain dry aeroge composite layer；
Dry aeroge composite layer is sprayed hole sealing agent thin layer by S4 again, then thin with the roasting toast hole sealing agent of 600-800 DEG C of oxycetylene flame
Layer 2-5s, obtains aeroge compound inslation (2), obtains resistance to 1000 DEG C of high temperature wires of finished product.
8. the preparation method of the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 7, which is characterized in that in the S4
Hole sealing agent be specifically asphaltic base aluminium paste.
9. the production equipment of the resistance to 1000 DEG C of high temperature wires of microlight-type, including coating warehouse (3), which is characterized in that wanted according to right
The resistance to 1000 DEG C of high temperature wires of finished product made from asking 11, which are worn, to be connect in coating warehouse (3), and the top of coating warehouse (3) is equipped with sliding
The side opening of mechanism, coating warehouse (3) is equipped with rotating mechanism；
The sliding equipment includes double crossbeams (4), sliding block (5), charging box (6) and coating box (7), and double crossbeams (4) are two
The identical slide bar of root height disposed in parallel, the sliding block (5) are socketed on double crossbeams (4), and the sliding block (5) is respectively by stretching
Contracting bar (8) is connected to the top of charging box (6) and coating box (7), passes through company between the charging box (6) and coating box (7)
Siphunculus (9) is connected, and is additionally provided with feed opening (10) at the top of the charging box (6), and the top of the coating box (7) also passes through gas
Pipe is connect with force (forcing) pump (11), and the bottom of the coating box (7) is equipped with brush head (12)；
The rotating mechanism includes bearing block (13) and collet (14), and the ring-type of bearing hole is equipped with centered on the bearing block (13)
Pedestal, the collet (14) are made of two panels arc-like sheet, and one end of the collet (14) is vertically welded in the side of bearing block (13)
On face, the periphery of the bearing block (13) is equipped with gear grooved (15), and the bearing block (13) passes through gear and shaft (16) tooth
Connection is closed, one end of the shaft (16) is connect with motor (17)；
The size of the core (1) is less than the bearing aperture of bearing block (13), and the size of the core (1) is less than collet (14)
The outer surface of inside dimension, the collet (14) is equipped with fastening bolt (18).
10. the production equipment of the resistance to 1000 DEG C of high temperature wires of microlight-type according to claim 9, which is characterized in that the cunning
Block (5) is connect with traction device, and double crossbeams (4) are arranged in parallel with core (1), axial direction of the sliding block (5) along core (1)
It moves back and forth；The bearing block (13) rotates around the center of circle of core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811363724.7A CN109509577A (en) | 2018-11-16 | 2018-11-16 | Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment |
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| CN201811363724.7A CN109509577A (en) | 2018-11-16 | 2018-11-16 | Resistance to 1000 DEG C of high temperature wires of microlight-type and preparation method thereof and production equipment |
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