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Manufacturing method of mica tape

A manufacturing method and technology of mica tape, applied in the direction of chemical instruments and methods, layered products, laminating devices, etc., can solve the problems of increasing the production cost of mica tape, high production cost of mica tape, and large consumption of organic solvents, etc., to achieve The effect of lowering the baking temperature, lowering the production cost and reducing the pollution

Active Publication Date: 2014-12-24
JIANGSU BINGCHENG HYDROGEN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solid content of the multi-tape adhesive is only about 40%. A large amount of organic solvents volatilize after baking in the mica tape production process. The content of organic solvents in the mica tape is less than 1%. The volatilization of these organic solvents not only causes waste. Increase the production cost of mica tape, and more seriously pollute the environment
[0003] How to solve the problem that a large amount of organic solvent needs to be consumed in the production process of less glue mica tape, which causes high production cost of mica tape and seriously pollutes the environment is a technical problem in this field

Method used

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  • Manufacturing method of mica tape
  • Manufacturing method of mica tape

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Example 1: Single-sided reinforced mica tape

[0022] Add nano-materials whose surface has been activated to the mica powder, the amount of nano-materials is 15% of the mass of mica powder; the nano-materials and mica powder are uniformly dispersed by high-speed stirring, and the mica raw material 3 is obtained.

[0023] The nanomaterial is a mixture of 32wt% aluminum oxide and 68wt% aluminum nitride.

[0024] In order to reduce the amount of organic solvent used in the production of mica tape, the solid content of the adhesive was controlled at 77wt% when preparing the first adhesive 1, added to the glue tank, glued with a roller and applied to the lower end surface of the reinforcing material 2 , according to the requirements of the mica tape glue content, adjust the amount of glue applied to the reinforcing material by the roller, turn on the power supply of the electrostatic generator 9, and make the mica raw material 3 and the reinforcing material be charged with o...

Embodiment 2

[0027] Example 2: Double-sided reinforced mica tape

[0028] Add nano-materials whose surface has been activated to the mica powder, the amount of nano-materials is 15% of the mass of mica powder; the nano-materials and mica powder are uniformly dispersed by high-speed stirring, and the mica raw material 3 is obtained.

[0029] The nanomaterial is a mixture of 40wt% aluminum oxide and 60wt% aluminum nitride.

[0030] In order to reduce the amount of organic solvent used in the production of mica tape, the solid content of the adhesive is controlled at 78% when preparing the adhesive, added to the glue tank, glued with a roller and applied to the lower end surface of the reinforcing material 2, according to the mica The content of the adhesive tape requires adjusting the amount of glue coated on the reinforcing material by the roller, and turning on the power of the electrostatic generator 9, so that the mica raw material 3 is absorbed and pasted on the reinforcing material 2; ...

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Abstract

The invention relates to a mica tape manufacturing method with low production cost. With the method, environment pollution is reduced. The method is suitable for energy saving and emission reduction. The method comprises the steps that: a nano-grade material processed through a surface activation treatment is added to mica powder; the nano-grade material and the mica powder are subject to high-speed stirring dispersion, and an obtained uniformly-mixed material is preserved for later use; a first adhesive is coated on a reinforcing material by using a roller; with an electrostatic field, the mica raw material is absorbed onto the reinforcing material; a second adhesive is sprayed onto the mica raw material of the reinforcing material; the one-side reinforced mica tape half-finished product is delivered through a baking oven, such that an organic solvent is removed by baking; the product is cooled, and is rolled and coiled by using a roller, such that a one-side reinforced mica tape finished product is obtained. The invention relates to a novel production technology designed according to natural characteristics of electric charges. Only a small amount of the solvent is required, such that the production cost of the mica tape is reduced, and environment pollution caused by the organic solvent is greatly reduced. Also, production speed can be improved, and baking temperature can be reduced, such that electric energy consumption can be reduced by approximately 1 / 3.

Description

technical field [0001] The invention relates to the technical field of electrical insulating material manufacturing, and relates to a new manufacturing process for high-voltage generators and high-voltage motors with more or less glue mica tape, in particular to a mica tape manufacturing method. Background technique [0002] Mica tape is the most irreplaceable and critical insulating material for motors, especially large-scale, high-voltage motors, wind turbines, and large-scale variable-frequency speed-regulating motors. Mica tape is used to bond reinforcing materials and mica paper together with adhesives Cut and formed strip insulation material. During the mica tape manufacturing process, the adhesive must be dissolved into a solution with a large amount of organic solvent. At present, when mica tape manufacturers manufacture mica tape, the solid content of the tape adhesive is usually only about 10%, and 90% is Organic solvents. The solid content of the multi-tape adhe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B37/06B32B37/10B32B37/12
Inventor 朱晧刘发喜朱艾成崔拥芳郭振报
Owner JIANGSU BINGCHENG HYDROGEN ENERGY TECH CO LTD
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