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Method for preparing heat-resisting ceramic plate

A ceramic plate, heat-resistant technology, applied in the field of ceramics, can solve the problems of not meeting the basic needs, low market acceptance, large expansion coefficient, etc., and achieve the effect of low cost, low expansion coefficient and easy cleaning

Active Publication Date: 2019-04-12
FOSHAN SHI WAN YING BRAND CERAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing heat-resistant ceramic plates are generally produced by a simple one-time pressing-one-time glazing method, and their expansion coefficient is relatively large and water-absorbing, which cannot meet people's basic needs when used, and because the ceramic plates are relatively rough, resulting in Market acceptance is not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Take 15 parts of kaolin, 15 parts of talcum powder, 0.5 parts of polyvinyl alcohol, 0.5 parts of citric acid, 25 parts of cordierite, 4 parts of beryllium oxide, 3 parts of beryllium hydroxide, 10 parts of strontium carbonate and 0.5 parts of molybdenum oxide, add an appropriate amount of water, using a ball mill to carry out ball milling for 16 hours to obtain a fineness of 1% on a 250 mesh sieve. After removing iron, adjust the moisture content to 38% to obtain the slurry of the plate body, spray granulation to obtain particles with a particle size of 2-2.5mm, the moisture content is 0.8%, and pass through the silo for 20 hours; then use automatic brick pressing Machine the blank to obtain the plate blank.

[0035] Take 65 parts of petalite, 15 parts of potassium feldspar, 4 parts of zinc oxide, 6 parts of kaolin, 6 parts of burnt talc, 4 parts of lithium carbonate, 2 parts of pyrochlore, 5 parts of spinel, 0.5 parts of molybdenum iron bismuth oxide 0.5 part, 0.5 par...

Embodiment 2

[0040] Take 25 parts of kaolin, 5 parts of talcum powder, 1.5 parts of polyvinyl alcohol, 0.2 parts of citric acid, 35 parts of cordierite, 2 parts of beryllium oxide, 5 parts of beryllium hydroxide, 5 parts of strontium carbonate and 1.5 parts of molybdenum oxide, add an appropriate amount of water, using a ball mill to carry out ball milling for 16 hours to obtain a fineness of 250 mesh sieve remaining 1.5%. After removing iron, adjust the moisture content to 42% to obtain the slurry of the plate body, spray granulation to obtain particles with a particle size of 2-2.5mm, the moisture content is 0.8%, and pass through the silo for 20 hours; then use automatic brick pressing Machine the blank to obtain the plate blank.

[0041] Take 75 parts of petalite, 5 parts of potassium feldspar, 6 parts of zinc oxide, 4 parts of kaolin, 8 parts of burnt talc, 2 parts of lithium carbonate, 4 parts of pyrochlore, 2 parts of spinel, 1.5 parts of molybdenum, iron and bismuth oxide 1.5 part...

Embodiment 3

[0046] Take 20 parts of kaolin, 10 parts of talcum powder, 1 part of polyvinyl alcohol, 0.4 parts of citric acid, 30 parts of cordierite, 3 parts of beryllium oxide, 4 parts of beryllium hydroxide, 8 parts of strontium carbonate and 1 part of molybdenum oxide, and add an appropriate amount of Water, using a ball mill to carry out ball milling, ball milling for 18 hours, to obtain a fineness of 250 mesh sieve remaining 1.2%. After removing iron, adjust the moisture content to 40% to obtain the slurry of the plate body, spray granulation to obtain particles with a particle size of 2-2.5mm, the moisture content is 0.8%, and pass through the silo for 24 hours; then use automatic brick pressing Machine the blank to obtain the plate blank.

[0047] Take 70 parts of petalite, 10 parts of potassium feldspar, 5 parts of zinc oxide, 5 parts of kaolin, 7 parts of burnt talc, 3 parts of lithium carbonate, 3 parts of pyrochlore, 4 parts of spinel, 1 part of molybdenum, iron and bismuth oxi...

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Abstract

The invention provides a method for preparing a heat-resisting ceramic plate, and relates to the field of ceramics. The method comprises the following steps that plate raw materials are subjected to ball grinding, the water content is adjusted so that plate blank slurry can be obtained, then, spraying granulation is performed, and after stock bin decaying, an automatic brick pressing machine is used for manufacturing bricks to obtain a plate brick body; glaze raw materials are subjected to ball grinding, the water content is adjusted to obtain glaze slurry, and then the glaze slurry coats theplate blank body to obtain a prefabricated blank; the prefabricated blank is burnt in advance, then, smashing and ball grinding are performed, the water content is adjusted to obtain plate slurry, spray granulation is performed, and after decaying, bricks are manufactured to obtain plates; the plates are fired to obtain a prefabricated plate; the glaze slurry coats the prefabricated plate, and programmed heating firing, programmed freezing cooling and polishing are performed to obtain the finished product. According to the method for preparing the heat-resisting ceramic plate, the manufacturedproduct is good in heat resistance, high in strength, low in expansion coefficient and low in cost.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a method for preparing a heat-resistant ceramic plate. Background technique [0002] Glass-ceramic plates and heat-resistant ceramic plates are the mainstream choices for induction cooker panels in the market, of which glass-ceramic plates are the main ones. The advantages of glass-ceramic plates are good heat resistance, small expansion coefficient, and impervious to water; the main advantage of ceramic plates is their low price. [0003] However, the glass-ceramic plate has a high melting point and low strength. It cannot be polished by mechanized and automatic methods in the production process. It can only be processed by semi-mechanized or pure manual processing. Therefore, its price is generally relatively high, resulting in a higher price for induction cookers. [0004] People have been hoping to obtain ceramic plates with similar properties to glass-ceramic plates to replace expen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/195C04B35/626C03C8/00C04B41/86
CPCC03C8/00C04B35/195C04B35/62615C04B41/009C04B41/5022C04B41/86C04B2235/3256C04B2235/3409C04B2235/349C04B2235/442C04B2235/6562C04B2235/6567C04B2235/96C04B2235/9607C04B41/4539
Inventor 范新晖廖花妹吴柏惠袁红邓荣
Owner FOSHAN SHI WAN YING BRAND CERAMICS CO LTD
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