CN110233009A - A kind of manufacturing method and manufacturing device of high temperature resistant combined mica pipe - Google Patents
A kind of manufacturing method and manufacturing device of high temperature resistant combined mica pipe Download PDFInfo
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- CN110233009A CN110233009A CN201910432708.7A CN201910432708A CN110233009A CN 110233009 A CN110233009 A CN 110233009A CN 201910432708 A CN201910432708 A CN 201910432708A CN 110233009 A CN110233009 A CN 110233009A
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- wheel
- sprocket wheel
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- high temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/60—Composite insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/66—Joining insulating bodies together, e.g. by bonding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/02—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
Abstract
The invention patent discloses the manufacturing method and manufacturing device of a kind of high temperature resistant combined mica pipe, include: step 1: mica paper is impregnated into organic silicone adhesive, after drying, organic siliconresin binder mass content is obtained 9~11%, gum dipped paper of the volatile matter quality less than 1%；Step 2: smearing inorganic salts binder for gum dipped paper surface, inorganic salts binder mass content is obtained after dry 6~8%, compound binding agent gum dipped paper of the water content 1~2%；Step 3: compound binding agent gum dipped paper is subjected to resurgence processing；Step 4: will treated that compound binding agent gum dipped paper roll-forming obtains micanite pipe by resurgence；Step 5: filling upper tube core in micanite pipe, and micanite pipe is sent into baking oven together with tube core and carries out curing process；Step 6: it after curing process, when micanite pipe surface temperature when cured is down to room temperature, extracts tube core out, obtains high temperature resistant combined mica pipe.
Description
Technical field
The present invention relates to a kind of manufacturing method of high temperature resistant combined mica pipe, in particular to a kind of operating temperature reaches 500
DEG C high temperature resistant combined mica pipe manufacturing method and manufacturing device.
Background technique
Using mica as micanite pipe made of substrate, due to good anti-corrosion, shock resistance and thunder-lightning, arc protection, height
Insulation, low temperature resistant (- 60 DEG C) are hereinafter, the excellent performances such as high temperature resistant (250 DEG C), are widely used in space flight, aviation, military project, core
The electrical power trans mission/distribution system of electricity, radar, the high-tech applications such as lightning protection electrical engineering and submarine, automobile, shipbuilding, supergrid.
This micanite pipe of prior art manufacture is divided into two major classes with binder difference, first is that being impregnated with individual mica paper
Machine silicones class or epoxy resin binder, through it is dry exclude solvent roll-forming after, be sent into baking oven carry out curing process and
, another kind of is that inorganic binder is smeared with individual mica paper after dry roll-forming, be sent into the cured processing of baking oven and
?.The micanite pipe of both binders manufacture has their own advantages while also respectively having deficiency, mainly:
1, binder is organic siliconresin, and long-term operating temperature is less than 250 DEG C, when binder is epoxy resin, work temperature
Degree is of limited application less than 150 DEG C；
2, when binder is inorganic, damp state property can be poor under room temperature, and brittleness is big, and mechanical strength is not high；
Above-mentioned micanite pipe cannot achieve high temperature resistant, therefore the manufacturing method for providing a kind of high temperature resistant combined mica pipe is especially heavy
It wants.
Summary of the invention
To solve problems of the prior art, the invention discloses a kind of manufacturing methods of high temperature resistant combined mica pipe
And manufacturing device, to adapt to demand of the modern science and technology to high-temperature insulation material of high speed development.
A kind of technical solution: manufacturing method of high temperature resistant combined mica pipe, comprising the following steps:
Step 1: mica paper is impregnated into organic silicone adhesive after dry and obtains organic siliconresin binder quality and contains
Amount is 9~11%, gum dipped paper of the volatile matter quality less than 1%；
Step 2: inorganic salts binder is smeared on gum dipped paper surface, inorganic salts binder quality is obtained after dry and contains
Amount is 6~8%, compound binding agent gum dipped paper of the water content 1~2%；
Step 3: compound binding agent gum dipped paper is subjected to resurgence processing；
Step 4: will treated that compound binding agent gum dipped paper roll-forming obtains micanite pipe by resurgence；
Step 5: filling upper tube core in micanite pipe, and micanite pipe is sent into baking oven together with tube core and carries out curing process；
Step 6: it after curing process, when micanite pipe surface temperature when cured is down to room temperature, extracts tube core out, obtains
To high temperature resistant combined mica pipe.
Further, the preparation of the organic siliconresin binder includes: by weight, to take solid content 50~52%
20~25 parts of SiR-5 organic siliconresin glue, purity be greater than 75~80 parts of industrial alcohol of 95%, be heated to 50 in a kettle
~60 DEG C, organic siliconresin binder is stirred to get, the solid content is that the insoluble of solvent is removed in organic siliconresin glue
The content of resin.
Further, the preparation of the inorganic salts binder includes: by weight, to take 19~29 parts of ammonium pentaborate, water
Temperature stirs evenly sufficiently dissolution and obtains inorganic salts binder at 71~81 parts of water of 50 DEG C or more.
Further, compound binding agent gum dipped paper is put into damp state case and makees resurgence processing, water temperature in the damp state case
At 50~60 DEG C, relative humidity is controlled 70~80% for control.
Further, the curing process includes:
At 50 DEG C or at room temperature, micanite pipe connection tube core is sent into baking oven, is at the uniform velocity warming up to 120 DEG C；In 120 DEG C of conditions
Under, it is kept for 3 hours；
220 DEG C are at the uniform velocity warming up to from 120 DEG C, under the conditions of 220 DEG C, is kept for 4 hours；
250 DEG C are at the uniform velocity warming up to from 220 DEG C, under the conditions of 250 DEG C, is kept for 2 hours；
200 DEG C are at the uniform velocity cooled to from 250 DEG C；
When being cooled to 50 DEG C or room temperature from 200 DEG C, micanite pipe and tube core are released.
The invention also discloses a kind of manufacturing devices of high temperature resistant combined mica pipe, can be realized high temperature resistant combined mica pipe
The device of manufacturing method.
Further, including impregnation equipment, the impregnation equipment include the first conveying roller, it is roll coater, steeping vat, second defeated
Send roller, baking oven, pairs of sprocket wheel, the first third wheel, the first tensioning wheel and spool；Sprocket wheel includes the first sprocket wheel and the second sprocket wheel, this
The input terminal of baking oven is arranged in one sprocket wheel, and the output end of baking oven is arranged in the second sprocket wheel, leads between the first sprocket wheel and the second sprocket wheel
Cross conveyer belt cooperation transmission；
First conveying roller carries out impregnation for inputting mica paper, and the impregnation roller segment is immersed in having in steeping vat
In machine silicon bonding, roll coater draws the mica paper that the first conveying roller exports to steeping vat, rotates with roll coater, completes mica
Paper impregnates silicone sealants operation, and the mica paper after dipping successively passes through the second conveying roller and the first sprocket wheel enters baking oven, does
Mica paper after dry successively passes through the second sprocket wheel and the first third wheel, first tensioning wheel and the first third wheel coordinating operation, will do
Mica paper after dry draw to spool wind it is spare.
Further, including inorganic salts binder application device, the inorganic salts binder application device includes the
Two tensioning wheels, the second third wheel, third sprocket wheel, the 4th sprocket wheel, third delivery wheel, contact roller, dryer and spray head；
The spray head is used to inorganic binder being sprayed on gum dipped paper surface, which is located at the second third wheel and third sprocket wheel
Between top, gum dipped paper successively draws by the second tensioning wheel, the second third wheel, third sprocket wheel to dryer, is passing through the second mistake
Gum dipped paper surface to be completed when wheel and third sprocket wheel smears inorganic binder operation, third sprocket wheel is located at the input terminal of dryer, the
Four sprocket wheels are located at the output end of dryer, third sprocket wheel and the 4th sprocket wheel and realize transmission cooperation, third delivery wheel by conveyer belt
With contact roller cooperating, the gum dipped paper after drying successively passes through the effect end of the 4th sprocket wheel and third delivery wheel and contact roller,
It is planted by required length disconnected.
Further, including rolling device, the rolling device includes upper roller and to roller, and upper roller is placed in pair to roller
Claim above axis, the micanite pipe rolled is located at upper roller and between roller.
Further, the middle section position preheating temperature of the baking oven is to 120-130 DEG C.
The utility model has the advantages that the micanite pipe that manufacturing method according to the invention obtains, it has in less than 250 DEG C energy of environment temperature
Keep that organic siliconresin mechanical strength is good, feature of excellent insulating property, and when operating temperature is greater than 500 DEG C, organosilicon is viscous
Knot agent excellent performance has completely lost, but due to the presence of inorganic binder, the various performances of combined mica pipe are still intact
As before.
Detailed description of the invention:
Fig. 1 is flow diagram of the invention；
Fig. 2 is impregnation equipment structural schematic diagram of the invention；
Fig. 3 is inorganic salts binder application device structural schematic diagram of the invention；
Fig. 4 is rolling device structural schematic diagram of the invention；
Specific embodiment:
Embodiment 1:
As shown in Figure 1, the manufacturing method of the resistance to high combined mica pipe of one kind of the present embodiment, comprising the following steps:
Step 1: mica paper is impregnated into silicone sealants after dry and obtains binder mass content 9~11%, waves
Send out gum dipped paper of the amount of substance content less than 1%；
Step 2: smearing inorganic binder for gum dipped paper surface, obtained after dry inorganic binder mass content 6~
8%, compound binding agent gum dipped paper of the water content 1~2%, compound binding agent gum dipped paper should be sealed in spare period；
Step 3: compound binding agent gum dipped paper roll-forming is obtained into micanite pipe；
Step 4: filling upper tube core in micanite pipe, and micanite pipe is sent into baking oven together with tube core and carries out curing process；
Step 5: it after curing process, when micanite pipe surface temperature when cured is down to room temperature, extracts tube core out, obtains
To the high temperature resistant combined mica pipe of the present embodiment；
The silicone sealants of the present embodiment prepare the following steps are included:
By weight, 25 parts of the SiR-5 organic siliconresin of solid content 50~52%, purity is taken to be greater than 95% industrial wine
75 parts of essence is stirred 2 hours in 50~60 DEG C of temperature of reaction kettle and is made；
Prepared by the inorganic binder of the present embodiment specifically: by weight, take 20 parts of technical grade ammonium pentaborate, water temperature exists
80 parts of 60~70 DEG C of water, stirs evenly；
The baking oven length for the dryer that the step of the present embodiment one uses is 12 meter, long, the oven temperature in 8 meters of central area
Control is at 120~130 DEG C, 5~6 meters per minute of conveyer belt running speed degree；
16 meters of baking oven length of the dryer that the step of the present embodiment two uses, temperature are controlled at 100~110 DEG C；
The curing process of the present embodiment includes:
At 50 DEG C or at room temperature, micanite pipe connection tube core is sent into baking oven made it at the uniform velocity be warming up to 120 after 2 hours
℃；Under the conditions of 120 DEG C, kept for 3 hours；
After 3 hours, 220 DEG C are at the uniform velocity warming up to from 120 DEG C, under the conditions of 220 DEG C, is kept for 4 hours；
After 2 hours, 250 DEG C are at the uniform velocity warming up to from 220 DEG C, under the conditions of 250 DEG C, is kept for 2 hours；
After 2 hours, 200 DEG C were at the uniform velocity cooled to from 250 DEG C；
After 2 hours from when being cooled to 50 DEG C or room temperature for 200 DEG C, micanite pipe and tube core are released.
Embodiment 2:
The present embodiment the following steps are included:
Step 1: silicone sealants preparation: by weight, 24 parts of SiR-5 organic siliconresin are taken, alcoholic strength is greater than
95% 75 parts of ethyl alcohol, 0.8 part of commercially available promotor, 0.2 part of commercially available curing agent stir 2 in the reaction kettle that temperature is 50~60 DEG C
Hour, obtain silicone sealants；
Step 2: inorganic binder preparation: by weight, 20 parts of ammonium pentaborate are taken, water 80 of the water temperature at 50 DEG C or more
Part, abundant dissolution is stirred evenly, inorganic binder is obtained；
Step 3: mica paper is impregnated into silicone sealants after dry and obtains binder mass content 9~11%, waves
Send out gum dipped paper of the object less than 1%；Specifically, the present embodiment completes step 3 using impregnation equipment as shown in Figure 2；
The impregnation equipment of the present embodiment includes the first conveying roller, roll coater, steeping vat, the second conveying roller, baking oven, pairs of chain
Wheel, the first third wheel, tensioning wheel and spool；First conveying roller enters impregnation equipment, the roll coater for inputting mica paper
Part is immersed in the silicone sealants in steeping vat, and roll coater draws the mica paper that the first conveying roller inputs to roll coater,
It is rotated with roll coater, completes mica paper dipping silicone sealants operation, the mica paper after dipping successively passes through the second conveying roller
Enter baking oven with the first sprocket wheel, mica paper of the middle section position preheating temperature of the baking oven of the present embodiment to 120-130 DEG C, after drying
Successively pass through the second sprocket wheel and the first third wheel, wind on spool spare, the tensioning wheel and the first third wheel coordinating operation,
Mica paper after drying is drawn to spool；It follows that sprocket wheel of the invention includes the first sprocket wheel and the second sprocket wheel, this first
The input terminal of baking oven is arranged in sprocket wheel, and the second sprocket wheel is arranged in the output end of baking oven, passes through between the first sprocket wheel and the second sprocket wheel
Conveyer belt cooperation transmission；
Step 4: smearing inorganic binder for gum dipped paper surface, obtained after dry inorganic binder mass content 6~
8%, compound binding agent gum dipped paper, compound binding agent gum dipped paper should be sealed in spare period；The present embodiment uses such as Fig. 3
Shown in inorganic binder application device, the device include tensioning wheel, the second third wheel, third sprocket wheel, the 4th sprocket wheel, third conveying
Wheel, contact roller, manipulator, dryer and spray head；The spray head is used to inorganic binder being sprayed on gum dipped paper surface, the spray head
Top between the second third wheel and third sprocket wheel, gum dipped paper is successively led by tensioning wheel, the second third wheel, third sprocket wheel draw to
Dryer completes gum dipped paper surface when by the second third wheel and third sprocket wheel and smears inorganic binder operation, third sprocket wheel position
In the input terminal of dryer, the 4th sprocket wheel is located at the output end of dryer, third sprocket wheel and the 4th sprocket wheel and is realized by conveyer belt
Transmission cooperation, third delivery wheel and contact roller cooperating, the gum dipped paper after drying successively pass through the 4th sprocket wheel and third conveying
The effect end of wheel and contact roller, by required length severing.
Step 5: compound binding agent gum dipped paper being put into damp state case and makees resurgence processing, the damp state case that the present embodiment uses
At 50~60 DEG C, relative humidity controls 70~80% for middle water temperature control；Compound binding agent gum dipped paper water content is controlled 1~2%
Between.
Step 6: will treated that compound binding agent gum dipped paper roll-forming obtains micanite pipe by resurgence；The present embodiment
Using rolling device as shown in Figure 4, which includes upper roller and to roller, and upper roller is placed on the axis of symmetry to roller
Side, the micanite pipe rolled are located at upper roller and between rollers；
Step 7: filling upper tube core in micanite pipe, and micanite pipe is sent into baking oven together with tube core and carries out curing process；This implementation
The curing process of example are as follows:
At 50 DEG C or at room temperature, micanite pipe connection tube core is sent into baking oven made it at the uniform velocity be warming up to 120 after 2 hours
℃；Under the conditions of 120 DEG C, kept for 3 hours；
After 3 hours, 220 DEG C are at the uniform velocity warming up to from 120 DEG C, under the conditions of 220 DEG C, is kept for 4 hours；
After 2 hours, 250 DEG C are at the uniform velocity warming up to from 220 DEG C, under the conditions of 250 DEG C, is kept for 2 hours；
After 2 hours, 200 DEG C were at the uniform velocity cooled to from 250 DEG C；
After 2 hours from when being cooled to 50 DEG C or room temperature for 200 DEG C, micanite pipe and tube core are released.
Step 8: it after curing process, when micanite pipe surface temperature when cured is down to room temperature, extracts tube core out, obtains
To the high temperature resistant combined mica pipe of the present embodiment；
It is main after being roasted 2 hours under conditions of 500 DEG C by the micanite pipe and existing micanite pipe of the present embodiment manufacture
Performance comparison is wanted to be shown in Table 1:
It can be seen that under conditions of 500 DEG C from 1 column data of table, only pass through 2 hours short, existing micanite pipe master
Application performance the sixth of the twelve Earthly Branches is wanted to completely lose, and it is strong still to maintain excellent insulation performance and machinery by the micanite pipe that the present embodiment manufactures
Degree.
Claims (10)
1. a kind of manufacturing method of high temperature resistant combined mica pipe, it is characterised in that: the following steps are included:
Step 1: mica paper is impregnated into organic silicone adhesive after dry and obtains organic siliconresin binder mass content and exists
9~11%, gum dipped paper of the volatile matter quality less than 1%；
Step 2: inorganic salts binder is smeared on gum dipped paper surface, obtains inorganic salts binder mass content 6 after dry
~8%, compound binding agent gum dipped paper of the water content 1~2%；
Step 3: compound binding agent gum dipped paper is subjected to resurgence processing；
Step 4: will treated that compound binding agent gum dipped paper roll-forming obtains micanite pipe by resurgence；
Step 5: filling upper tube core in micanite pipe, and micanite pipe is sent into baking oven together with tube core and carries out curing process；
Step 6: it after curing process, when micanite pipe surface temperature when cured is down to room temperature, extracts tube core out, obtains resistance to
High temperature combined mica pipe.
2. a kind of manufacturing method of high temperature resistant combined mica pipe according to claim 1, it is characterised in that: described is organic
The preparation of silicone adhesive includes: the SiR-5 organic siliconresin glue 20~25 for taking solid content 50~52% by weight
Part, purity are greater than 75~80 parts of industrial alcohol of 95%, are heated to 50~60 DEG C in a kettle, stir to get organic siliconresin
Binder, the solid content are that the content of the insoluble resin of solvent is removed in organic siliconresin glue.
3. a kind of manufacturing method of high temperature resistant combined mica pipe according to claim 1, it is characterised in that: the inorganic salts
The preparation of class binder includes: by weight, to take 19~29 parts of ammonium pentaborate, water temperature at 71~81 parts of water of 50 DEG C or more, stir
It mixes uniformly sufficiently to dissolve and obtains inorganic salts binder.
4. a kind of manufacturing method of high temperature resistant combined mica pipe according to claim 1, it is characterised in that: by compoiste adhering
Agent gum dipped paper, which is put into damp state case, makees resurgence processing, and at 50~60 DEG C, relative humidity is controlled for water temperature control in the damp state case
70~80%.
5. a kind of manufacturing method of high temperature resistant combined mica pipe according to claim 1, it is characterised in that: at the solidification
Reason includes:
At 50 DEG C or at room temperature, micanite pipe connection tube core is sent into baking oven, is at the uniform velocity warming up to 120 DEG C；Under the conditions of 120 DEG C, protect
It holds 3 hours；
220 DEG C are at the uniform velocity warming up to from 120 DEG C, under the conditions of 220 DEG C, is kept for 4 hours；
250 DEG C are at the uniform velocity warming up to from 220 DEG C, under the conditions of 250 DEG C, is kept for 2 hours；
200 DEG C are at the uniform velocity cooled to from 250 DEG C；
When being cooled to 50 DEG C or room temperature from 200 DEG C, micanite pipe and tube core are released.
6. a kind of manufacturing device of high temperature resistant combined mica pipe, it is characterised in that: including using claim 1-5 any one institute
The device for the manufacturing method stated.
7. a kind of manufacturing device of high temperature resistant combined mica pipe according to claim 6, it is characterised in that: set including impregnation
Standby, the impregnation equipment includes the first conveying roller (11), roll coater (12), steeping vat (13), the second conveying roller (14), baking oven
(15), pairs of sprocket wheel (16), the first third wheel (17), the first tensioning wheel (18) and spool (19)；Sprocket wheel (16) includes the first sprocket wheel
With the second sprocket wheel, which is arranged the input terminal in baking oven (15), and the output end in baking oven (15) is arranged in the second sprocket wheel, the
Cooperated between one sprocket wheel and the second sprocket wheel by conveyer belt and is transmitted；
First conveying roller (11) carries out impregnation for inputting mica paper, and the roll coater (12) is partially immersed in steeping vat
(13) in the silicone sealants in, roll coater (12) draws the mica paper that the first conveying roller (11) exports to steeping vat
(13), it is rotated with roll coater (12), completes mica paper dipping silicone sealants operation, the mica paper after dipping successively passes through the
Two conveying rollers (14) and the first sprocket wheel enter baking oven (15), and the mica paper after drying successively passes through the second sprocket wheel and the first third wheel
(17), first tensioning wheel (18) and the first third wheel (17) coordinating operation, the mica paper after drying is drawn to spool (19)
Wind spare.
8. a kind of manufacturing device of high temperature resistant combined mica pipe according to claim 6, it is characterised in that: including inorganic salts
Class binder application device, the inorganic salts binder application device include the second tensioning wheel (21), the second third wheel (22), the
Three sprocket wheels (23), the 4th sprocket wheel (24), third delivery wheel (25), contact roller (26), dryer (27) and spray head (28)；
The spray head (28) is used to inorganic binder being sprayed on gum dipped paper surface, the spray head (28) be located at the second third wheel (22) and
Top between third sprocket wheel (23), gum dipped paper are successively led by the second tensioning wheel (21), the second third wheel (22), third sprocket wheel (23)
Dryer (27) are led to, gum dipped paper surface is completed when by the second third wheel (22) and third sprocket wheel (23) and smears inorganic binder
Operation, third sprocket wheel (23) are located at the input terminal of dryer (27), and the 4th sprocket wheel (24) is located at the output end of dryer (27), the
Three sprocket wheels (23) and the 4th sprocket wheel (24) are realized by conveyer belt transmits cooperation, third delivery wheel (25) and contact roller (26) cooperation
Work, the gum dipped paper after drying successively pass through the effect end of the 4th sprocket wheel (24) and third delivery wheel (25) and contact roller (26),
It is planted by required length disconnected.
9. a kind of manufacturing device of high temperature resistant combined mica pipe according to claim 6, it is characterised in that: including rolling dress
It sets, the rolling device includes upper roller (31) and to roller (32), and upper roller (31) is placed in above the axis of symmetry to roller (32),
The micanite pipe (33) rolled is located at upper roller (31) and between roller (32).
10. a kind of manufacturing device of high temperature resistant combined mica pipe according to claim 7, it is characterised in that: the baking oven
Middle section position preheating temperature to 120-130 DEG C.
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| CN201910432708.7A CN110233009B (en) | 2019-05-23 | 2019-05-23 | Manufacturing method and manufacturing device of high-temperature-resistant composite mica pipe |
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| CN110798922A (en) * | 2019-11-13 | 2020-02-14 | 苏州苏绝电工材料股份有限公司 | Conductive film and preparation method thereof, and heatable mica tube and manufacturing method thereof |
| CN111421940A (en) * | 2020-04-22 | 2020-07-17 | 苏州苏绝电工材料股份有限公司 | Small-size mica pipe coiling device, manufacturing device and coiling method |
| CN111875412A (en) * | 2020-06-15 | 2020-11-03 | 嘉兴市荔禾实业有限公司 | Conical mica tube and processing technology thereof |
| CN113096901A (en) * | 2021-04-01 | 2021-07-09 | 湖北平安电工科技股份公司 | Method for manufacturing mica tube |
| CN114023518A (en) * | 2021-09-16 | 2022-02-08 | 湖北平安电工科技股份公司 | Method for manufacturing conical mica tube |
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| CN110798922A (en) * | 2019-11-13 | 2020-02-14 | 苏州苏绝电工材料股份有限公司 | Conductive film and preparation method thereof, and heatable mica tube and manufacturing method thereof |
| CN111421940A (en) * | 2020-04-22 | 2020-07-17 | 苏州苏绝电工材料股份有限公司 | Small-size mica pipe coiling device, manufacturing device and coiling method |
| CN111875412A (en) * | 2020-06-15 | 2020-11-03 | 嘉兴市荔禾实业有限公司 | Conical mica tube and processing technology thereof |
| CN113096901A (en) * | 2021-04-01 | 2021-07-09 | 湖北平安电工科技股份公司 | Method for manufacturing mica tube |
| CN114023518A (en) * | 2021-09-16 | 2022-02-08 | 湖北平安电工科技股份公司 | Method for manufacturing conical mica tube |
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