CN102651262A - Method for manufacturing calcined high-temperature and high-pressure resistant mica paper tape - Google Patents
Method for manufacturing calcined high-temperature and high-pressure resistant mica paper tape Download PDFInfo
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- CN102651262A CN102651262A CN2012101693130A CN201210169313A CN102651262A CN 102651262 A CN102651262 A CN 102651262A CN 2012101693130 A CN2012101693130 A CN 2012101693130A CN 201210169313 A CN201210169313 A CN 201210169313A CN 102651262 A CN102651262 A CN 102651262A
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Abstract
The invention belongs to the field of insulating materials, particularly relating to a method for manufacturing a calcined high-temperature and high-pressure resistant mica paper tape, and aiming to solve the technical problem that the traditional mica paper tape is easily broken down due to the low dielectric strength. The method for manufacturing the calcined high-temperature and high-pressure resistant mica paper tape comprises the following steps of: a. selecting a mica raw material; b. calcining; c. preparing pulp; d. papermaking; and e. compounding. The mica paper tape manufactured by the method provided by the invention has high dielectric strength, and is suitable for both a B-grade cable and an A-grade cable.
Description
Technical field
The invention belongs to the insulating material field, be specifically related to the manufacturing approach of calcination type high temperature high voltage resistant mica paper tape.
Background technology
Mica tape is called fire-resistant isinglass belt again, is a kind of refractory insulating material, can be used for making fire-resistant wire and cable.According to GB12666.6-90 " electric wire fire-resistance property test method " standard, divide A, B two-stage thermal endurance class, corresponding in test heat resisting temperature is respectively 950～1000 ℃ and 750～800 ℃.The dielectric strength of common fire-resistant isinglass belt commonly used generally is applicable to and makes B level cable at 12 ~ 13KV/mm.
The common muscovite paper ﹑ phlogopite paper ﹑ synthetic mica paper that existing mica tape uses is that muscovite, phlogopite, synthetic mica are become paper after through the slurries of pull an oar, filter, be mixed with on the net paper machine of garden, and drying is received and is web-like, must mica paper; Again with mica paper and the compound mica paper tape that obtains of supporting material.Because common white mica paper dielectric strength in 15KV/mm, phlogopite paper and synthetic mica paper dielectric strength at 12KV/mm; So the common white mica paper tape dielectric strength of making in 15KV/mm, phlogopite paper tape and synthetic mica paper tape dielectric strength at 12KV/mm; Wherein muscovite paper tape and phlogopite paper tape are applicable to B level cable; The synthetic mica paper tape both had been applicable to B level cable; Also be applicable to A level cable, but above-mentioned three kinds of muscovite paper tapes, phlogopite paper tape and synthetic mica paper tape exist all dielectric strength low, are prone to breakdown problem.
Summary of the invention
The technical problem that the present invention will solve is that existing mica paper tape dielectric strength is low, is prone to breakdown.
Technical scheme of the present invention is the manufacturing approach of calcination type high temperature high voltage resistant mica paper tape, comprises the steps:
A, choose the mica raw material;
B, calcining: the mica raw material is dropped into calciner calcining, 850 ~ 900 ℃ of calcining heats, calcination time 40 ~ 60min;
C, slurrying: with the mica after the step b calcining through pulling an oar, filter, be mixed with slurries;
D, copy paper: the slurries that step c obtains are manufactured paper with pulp into paper;
E, compound: compound to the supporting material applying glue with the mica paper that steps d obtains, oven dry, rolling obtains mica paper tape.
Wherein, the mica raw material of choosing among the step a is area size 5 ~ 7cm
2, the mica sheet of thickness 1 ~ 2mm.
Wherein, per 0.5 ~ 0.7m among the step b
3The calciner inner chamber 15 ~ 20kg that feeds intake.
Wherein, making beating is meant and uses waterpower that mica sheet is broken into mica flake among the step c, and hydraulic pressure pressure is 55 ~ 60kg/cm
2
Wherein, filter employing 120 mesh filter screens dehydration 60 ~ 70% among the step c.
Wherein, filter the mica flake that radius-thickness ratio＜100 are removed in the back among the step c.
Wherein, preparation is meant and adds water by the mica flake that filtration is obtained to be mixed with mass concentration be 8 ~ 10% slurries among the step c.
Wherein, the described supporting material of step e is a glass fabric.
Wherein, the mica described in the step a is a muscovite.
The invention has the beneficial effects as follows: the dielectric strength of the calcination type high temperature high voltage resistant mica paper tape of the inventive method manufacturing is greatly improved; The hot strength and the heat resistance of product also get a promotion; Thermal endurance class can reach the A level, both has been applicable to B level cable, also is applicable to A level cable; Better guarantee the fire-resistant wire and cable product quality, expanded the application of fire-resistant isinglass belt in special property requirement electric wire.
Embodiment
The manufacturing approach of calcination type high temperature high voltage resistant mica paper tape of the present invention comprises the steps:
A, choose the mica raw material;
B, calcining: the mica raw material is dropped into calciner calcining, 850 ~ 900 ℃ of calcining heats, calcination time 40 ~ 60min;
C, slurrying: with the mica after the step b calcining through pulling an oar, filter, be mixed with slurries;
D, copy paper: the slurries that step c obtains are manufactured paper with pulp into paper;
E, compound: compound to the supporting material applying glue with the mica paper that steps d obtains, oven dry, rolling obtains mica paper tape.
Wherein, the mica raw material of choosing among the step a is area size 5 ~ 7cm
2, the mica sheet of thickness 1 ~ 2mm.
Wherein, per 0.5 ~ 0.7m among the step b
3The calciner inner chamber 15 ~ 20kg that feeds intake.
Wherein, making beating is meant and uses waterpower that mica sheet is broken into mica flake among the step c, and hydraulic pressure pressure is 55 ~ 60kg/cm
2
Wherein, filter employing 120 mesh filter screens dehydration 60 ~ 70% among the step c.
Wherein, filter the mica flake that radius-thickness ratio＜100 are removed in the back among the step c.
Wherein, preparation is meant and adds water by the mica flake that filtration is obtained to be mixed with mass concentration be 8 ~ 10% slurries among the step c.
Wherein, the described supporting material of step e is a glass fabric.
Wherein, the mica described in the step a is a muscovite.
Among the present invention, do not allow weathering mica, scale mica, blotchy mica and exogenous impurity in the raw material.The weathering mica is meant that mica banks up for a long time in the open, receives air, water and other effect of factors, makes its quality soft, nonelastic, and partly performance changes; The scale mica is meant the effect of oxygen in broken etch, the moisture absorption and the air that receives water for a long time of mica, and the FeO in the mica crystal becomes Fe
2O3
,The redness of the skin or complexion spot appears.The blotchy mica is meant that spot point footpath is greater than the mica of 3mm and comparatively dense in the mica sheet; Exogenous impurity mainly is meant in ore dressing, transportation, non-mica impurity such as the wood chip that mixes, bamboo bits, charcoal, shredded paper, cloth waste, pericarp, curly hair, iron wire, iron nail.
Among the present invention; The calcining temperature that adopts (850 ~ 900 ℃) and the time, (40 ~ 60min) confirmed through contrast experiment repeatedly through the inventor; The too high or burnt sheet of the oversize easy formation mica of calcination time of calcining heat, the indexs such as mica paper Jie electricity Qiang Du ﹑ tension stress that are ferreted out with the burnt sheet slurrying of mica significantly reduce; Be prone to form raw material otherwise calcining heat is too low or calcination time is too short, in pulping process, be difficult for dividing and shell good mica flake, the paper electric property is bad; The calcining inventory should be according to the size and the burning quality requirement of calciner; Select inventory, the few energy consumption height of the big inventory of calciner is uneconomical, and the many raw material calcinings of the little inventory of calciner are inhomogeneous; Burning quality is bad, also can influence the performance index such as Jie electricity Qiang Du ﹑ tension stress of mica paper.Discover that through the inventor on control 850 ~ 900 ℃ of sintering temperatures, roasting time 40 ~ 60min basis, the calciner inner chamber that inventory the is controlled to be per 0.5 ~ 0.7m3 15 ~ 20kg that feeds intake can make the mica paper electric property for preparing reach best.
Among the present invention, the main basis of the size of hydraulic pressure breaks into the scale quality behind the slurry and distributes confirms that the too big scale fragmentation of pressure is too little, otherwise pressure is too little, and big scale is many.Radius-thickness ratio is the mica flake diameter and the ratio of thickness, is a technical indicator weighing the mica flake quality, and its ratio shows greatly that mica flake is big and approach that mica flake is good, and overlap joint back one-tenth paper structure is good, helps improving the Dian gas Xing Neng ﹑ hot strength of mica paper.When removing radius-thickness ratio, can adopt equipment such as vortrap less than 100 mica flake.The filter screen dehydration is in order to improve the mass concentration of mica slurries.
The mass concentration of mica slurries is controlled at 8 ~ 10% among the present invention, and the too low or Tai Gaoyi of the mass concentration of slurries causes the one-tenth paper structure of mica paper bad, influence mica paper quantitatively and evenness index, i.e. mica paper gage distortion.Can the employing garden when slurries are manufactured paper with pulp into paper equipment such as net paper machine get final product.
Mica paper self intensity is low among the present invention, and (wet strength is meant that paper and fibre are immersed in the water after the stipulated time mechanical strength that under wetting state, records almost not have wet strength.Mica paper is making moist or with after water contacts, and hot strength reduces greatly or almost do not have a hot strength.Therefore mica paper does not almost have wet strength, in packed and transported, requires protection against the tide, adds the double-deck external packing of plastic film with moistureproof paper), applying glue separately, therefore, compound with mica paper more earlier to the supporting material applying glue, process mica paper tape and be convenient to the wrapped of electric wire.Mica paper and supporting material compound tense, can be as required at the two sides or the single face composite reinforcing material of mica paper.Supporting material commonly used has glass fabric, PE film etc.; In order to make mica paper have better hot strength, select to use glass fabric.
Embodiment 1 adopts the inventive method to prepare muscovite single face paper tape
Choose the high quality white mica as raw material, area size 5cm
2About, thickness 1 ~ 2mm, and quantitatively 15kg/ wraps.With calciner (the industrial resistance furnace that Shanghai Electric Furnace Factory produces, model: RG2-24-9) behind the pre-heating temperature elevation to 850 ℃, open bell and pour a bag 15kg raw material into and close bell, pour out after 40 minutes at calcination time under the body of heater rotation status.Be cooled to normal temperature and screen calcining the back raw material, remove wherein powder through the drum-type sieve.
Calcining back raw material evenly drops into special-purpose waterpower pulper through batcher and carries out the slurrying flotation, and producing pressure by high-pressure hydraulic pump is 55kg/cm
2High-pressure water jet divides mica and shells into tiny scale, and through 120 mesh filter screens dehydration 60%, again through vortrap, removes radius-thickness ratio less than 100 muscovite scale.The high-quality mica flake is delivered to pulp storage tank through pipeline, 2 meters of diameters, in the circular pulp storage tank that height is 2.5 meters; The preparation mass concentration is 8% slurries; With solenoid valve regulating and controlling flow, be transported to garden net paper machine through underflow pump, the moulding of on the net paper machine of garden, manufacturing paper with pulp; Filtration drying becomes paper, coils into drum.
Sync put on the copier glass fiber cloth muscovite roll and roll, preclude the use of glass fiber with glue method Busch glue and paper composite with muscovite tract into the drying oven at closing will mica winding reel molding.
Embodiment 2 adopts the inventive method to prepare muscovite single face paper tape
Choose the high quality white mica as raw material, area size 5cm
2About, thickness 1 ~ 2mm, and quantitatively 15kg/ wraps.With calciner (the industrial resistance furnace that Shanghai Electric Furnace Factory produces, model: RG2-24-9) behind the pre-heating temperature elevation to 875 ℃, open bell and pour a bag 15kg raw material into and close bell, pour out after 50 minutes at calcination time under the body of heater rotation status.Be cooled to normal temperature and screen calcining the back raw material, remove wherein powder through the drum-type sieve.
Calcining back raw material evenly drops into special-purpose waterpower pulper through batcher and carries out the slurrying flotation, and producing pressure by high-pressure hydraulic pump is 58kg/cm
2High-pressure water jet divides mica and shells into tiny scale, and through 120 mesh filter screens dehydration 65%, again through vortrap, removes radius-thickness ratio less than 100 muscovite scale.The high-quality mica flake is delivered to pulp storage tank through pipeline, 2 meters of diameters, in the circular pulp storage tank that height is 2.5 meters; The preparation mass concentration is 9% slurries; With solenoid valve regulating and controlling flow, be transported to garden net paper machine through underflow pump, the moulding of on the net paper machine of garden, manufacturing paper with pulp; Filtration drying becomes paper, coils into drum.
Sync put on the copier glass fiber cloth muscovite roll and roll, preclude the use of glass fiber with glue method Busch glue and paper composite with muscovite tract into the drying oven at closing will mica winding reel molding.
Embodiment 3 adopts the inventive method to prepare muscovite single face paper tape
Choose the high quality white mica as raw material, area size 5cm
2About, thickness 1 ~ 2mm, and quantitatively 15kg/ wraps.With calciner (the industrial resistance furnace that Shanghai Electric Furnace Factory produces, model: RG2-24-9) behind the pre-heating temperature elevation to 900 ℃, open bell and pour a bag 15kg raw material into and close bell, pour out after 60 minutes at calcination time under the body of heater rotation status.Be cooled to normal temperature and screen calcining the back raw material, remove wherein powder through the drum-type sieve.
Calcining back raw material evenly drops into special-purpose waterpower pulper through batcher and carries out the slurrying flotation, and producing pressure by high-pressure hydraulic pump is 60kg/cm
2High-pressure water jet divides mica and shells into tiny scale, and through 120 mesh filter screens dehydration 70%, again through vortrap, removes radius-thickness ratio less than 100 muscovite scale.The high-quality mica flake is delivered to pulp storage tank through pipeline, 2 meters of diameters, in the circular pulp storage tank that height is 2.5 meters; The preparation mass concentration is 10% slurries; With solenoid valve regulating and controlling flow, be transported to garden net paper machine through underflow pump, the moulding of on the net paper machine of garden, manufacturing paper with pulp; Filtration drying becomes paper, coils into drum.
Sync put on the copier glass fiber cloth muscovite roll and roll, preclude the use of glass fiber with glue method Busch glue and paper composite with muscovite tract into the drying oven at closing will mica winding reel molding.
The Performance Detection of mica paper tape among table 1 embodiment 1 ~ 3
Annotate: control sample 1 is that commercially available phlogopite one-side band (is produced by Sichuan Meifeng Mica Industry Co., Ltd.; Model P5450-D); Control sample 2 is that commercially available synthetic mica one-side band (is produced by Sichuan Meifeng Mica Industry Co., Ltd.; Model P5450-WD), performance index are the insulating material test method detection of base with the mica by GB/T5019.2-2009.
Data show in the table 1: adopt the calcination type high temperature high voltage resistant mica paper tape dielectric strength (dielectric strength is higher to show that the puncture voltage of insulating material is high more) and the hot strength of the inventive method preparation than control sample large increase to be arranged, thermal endurance class reaches the A level.
Claims (9)
1. the manufacturing approach of calcination type high temperature high voltage resistant mica paper tape is characterized in that: comprise the steps:
A, choose the mica raw material;
B, calcining: the mica raw material is dropped into calciner calcining, 850 ~ 900 ℃ of calcining heats, calcination time 40 ~ 60min;
C, slurrying: with the mica after the step b calcining through pulling an oar, filter, be mixed with slurries;
D, copy paper: the slurries that step c obtains are manufactured paper with pulp into paper;
E, compound: compound to the supporting material applying glue with the mica paper that steps d obtains, oven dry, rolling obtains mica paper tape.
2. the manufacturing approach of calcination type high temperature high voltage resistant mica paper tape according to claim 1 is characterized in that: the mica raw material of choosing among the step a is area size 5 ~ 7cm
2, the mica sheet of thickness 1 ~ 2mm.
3. the manufacturing approach of mica paper tape according to claim 1 and 2 is characterized in that: per 0.5 ~ 0.7m among the step b
3The calciner inner chamber 15 ~ 20kg that feeds intake.
4. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 3, it is characterized in that: making beating is meant and uses waterpower that mica sheet is broken into mica flake among the step c, and hydraulic pressure pressure is 55 ~ 60kg/cm
2
5. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 4, it is characterized in that: filter among the step c and adopt 120 mesh filter screens dehydration 60 ~ 70%.
6. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 5, it is characterized in that: filter the mica flake that radius-thickness ratio＜100 are removed in the back among the step c.
7. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 6, it is characterized in that: preparation is meant and adds water by the mica flake that filtration is obtained to be mixed with mass concentration be 8 ~ 10% slurries among the step c.
8. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 7, it is characterized in that: the described supporting material of step e is a glass fabric.
9. according to the manufacturing approach of each described calcination type high temperature high voltage resistant mica paper tape of claim 1 ~ 8, it is characterized in that: the mica described in the step a is a muscovite.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216852A (en) * | 1997-10-21 | 1999-05-19 | 株式会社东芝 | Mica tape and insulated coil using the same |
| CN101006524A (en) * | 2004-06-16 | 2007-07-25 | 依索沃尔塔股份公司 | Mica tape having maximized mica content |
| CN101748648A (en) * | 2010-02-09 | 2010-06-23 | 陕西科技大学 | Method for making mica paper by reinforcement of aramid short fiber and chemical pulping |
| CN102127882A (en) * | 2010-11-11 | 2011-07-20 | 杭州凯尔云母制品有限公司 | Manufacturing method of ultra-high voltage insulation cooked mica paper |
-
2012
- 2012-05-28 CN CN2012101693130A patent/CN102651262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216852A (en) * | 1997-10-21 | 1999-05-19 | 株式会社东芝 | Mica tape and insulated coil using the same |
| CN101006524A (en) * | 2004-06-16 | 2007-07-25 | 依索沃尔塔股份公司 | Mica tape having maximized mica content |
| CN101748648A (en) * | 2010-02-09 | 2010-06-23 | 陕西科技大学 | Method for making mica paper by reinforcement of aramid short fiber and chemical pulping |
| CN102127882A (en) * | 2010-11-11 | 2011-07-20 | 杭州凯尔云母制品有限公司 | Manufacturing method of ultra-high voltage insulation cooked mica paper |
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