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Preparation method of electromagnetic heating coating

A heating coating, electromagnetic induction heating technology, applied in the direction of electric heating fuel, lighting and heating equipment, induction heating, etc., to increase cooking efficiency, improve the effect of intermittent fire

Active Publication Date: 2019-09-20
西安红元节能材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for preparing an electromagnetic heating coating, which mainly solves the disadvantage that the existing electromagnetic furnace cannot use glass, ceramics, stone, aluminum, and copper to heat the container

Method used

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  • Preparation method of electromagnetic heating coating
  • Preparation method of electromagnetic heating coating
  • Preparation method of electromagnetic heating coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A pot-shaped non-electromagnetic induction heating container 1, the electromagnetic induction heating area is made on the plane area of ​​the bottom surface of the pot-shaped non-electromagnetic induction heating container 1, firstly, the electromagnetic induction sheet is bonded to the heating part of the heating body through the magnetic induction high temperature resistant environmental protection glue , set the temperature at 60°C in turn, dry for 2-8 hours, set the temperature at 300-600°C, and dry for 2-8 hours.

[0036] Secondly, a protective functional layer is made on the surface of the electromagnetic induction heating area made in the planar area. Protective function layer: sodium silicate water glass 5-50%, kaolin 5-40%, alumina powder 5-30%, quartz powder 5-30%, bentonite 1-20%, calcium stearate 1-20%, Zinc oxide powder 1-20%, white carbon black 1-20%, mica powder 5-40%, potassium methyl silicate liquid 1-5%, color powder 3-20%.

[0037] Heat sodium silica...

Embodiment 3

[0061] Example 3 First, an ordinary induction cooker was selected, and then magnetic induction high temperature resistant gels and electromagnetic induction sheets with different ratios were prepared, and a ceramic pot was selected as a heating body for comparison of heating efficiency.

[0062] Step 1: Make protective functional layers with very different proportions.

[0063] Sodium silicate water glass 5-50%, kaolin 5-40%, alumina powder 5-30%, quartz powder 5-30%, bentonite 1-20%, calcium stearate 1-20%, zinc oxide powder 1 -20%, white carbon black 1-20%, mica powder 5-40%, potassium methyl silicate liquid 1-5%, toner 3-20%.

[0064] The first proportioning plan: sodium silicate water glass 50%, kaolin 27%, alumina powder 5%, quartz powder 5%, bentonite 1%, calcium stearate 1%, zinc oxide powder 1%, white carbon black 1 %, mica powder 5%, potassium methyl silicate liquid 1%, toner 3%.

[0065] The second ratio plan: sodium silicate water glass 37%, kaolin 40%, alumina po...

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PUM

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Abstract

The invention discloses a preparation method of an electromagnetic heating coating. The methdo comprises the following steps: making an electromagnetic induction area in a heating part of a heating body: determining a heating part of the heating body, and bonding an electromagnetic induction sheet to the surface of the heating part by utilizing a high-temperature environmentally-friendly adhesive; to begin with, adjusting the temperature to be 50-70 DEG C, carrying out solidification and setting for 2-8 hours; and then, adjusting the temperature to be 300-600 DEG C, carrying out drying for 2-8 hours and forming the electromagnetic induction area after dehydration; and forming a protection function layer on the whole electromagnetic induction sheet through a ceramic coating: applying the ceramic coating onto the whole electromagnetic induction sheet; to begin with, setting the temperature to be 70 DEG C and carrying out solidification and setting for 2-8 hours; then, setting the temperature to be 120 DEG C and carrying out constant-temperature drying for 0.5-5 hours; setting the temperature to be 230 DEG C and carrying out constant-temperature drying for 0.2-5 hours; and setting temperature to be 300-500 DEG C and carrying out drying for 4-8 hours to form the protection function layer. Under the condition of the same physical environment, the method can make a non-electromagnetic induction cooker have high heating efficiency on an ordinary induction cooker.

Description

technical field [0001] The invention belongs to the field of an electromagnetic heating coating preparation method, in particular to an electromagnetic heating coating preparation method. Background technique [0002] An electromagnetic heating coating preparation method is now widely used in household appliances, especially electromagnetic cookers. The existing induction cooker has a very complete technical solution for improving heating efficiency and heating speed. However, the existing induction cooker is very picky about the material of the pot, and some pots of special materials cannot be used, such as ceramic pots, glass pots, stone pots, aluminum pots, copper pots, purple casserole, etc., cannot be directly used on the existing induction cooker. use. This problem is the direction that researchers in the field need to research and develop. Moreover, when the induction cooker is heated with low power, the firepower cannot be continuously and stably heated, and there ...

Claims

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Application Information

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IPC IPC(8): H05B6/12F24C7/06C04B35/66
CPCC04B35/66F24C7/062H05B6/12
Inventor 李哲元李妙
Owner 西安红元节能材料有限公司