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Ceramic plate

A technology of ceramic plates and plates, applied in the field of ceramics, can solve the problems of large expansion coefficient, unable to meet basic needs, water absorption, etc., and achieve the effects of low expansion coefficient, high strength and good heat resistance.

Inactive Publication Date: 2019-06-07
HEYUAN DONGYUAN EAGLE 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 have a relatively large expansion coefficient and water absorption, which cannot meet people's basic needs when used.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 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, and 10 parts of strontium carbonate. Ball milling, ball milling for 16 hours, to obtain a fineness of 0.5% on a 250 mesh sieve. After iron removal, spray granulation to obtain particles with a particle size of 2-2.5mm, a moisture content of 0.8%, and stale in a silo for 20 hours; then use an automatic brick press to make a blank to obtain a plate with a thickness of 5mm.

[0031] 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 According to the mass ratio of material to water 1:0.4, add water and ball mill for 20 hours to obtain a slurry with a fineness of 250 mesh sieve and 0.02%; after remov...

Embodiment 2

[0033] 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, and 5 parts of strontium carbonate. Ball milling, ball milling for 16 hours, to obtain a fineness of 250 mesh sieve remaining 1%. After iron removal, spray granulation to obtain particles with a particle size of 2-2.5mm, a moisture content of 1.2%, and stale in a silo for 20 hours; then use an automatic brick press to make a blank to obtain a plate with a thickness of 7mm.

[0034] 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 According to the mass ratio of material to water 1:0.6, add water and ball mill for 24 hours to obtain a slurry with a fineness of 250 mesh sieve and 0.08%; after ...

Embodiment 3

[0036] 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, and 8 parts of strontium carbonate. Ball milling, ball milling for 18 hours, to obtain a fineness of 0.8% on a 250 mesh sieve. After iron removal, spray granulation to obtain particles with a particle size of 2-2.5mm, a moisture content of 1%, and stale in a silo for 22 hours; then use an automatic brick pressing machine to obtain a plate with a thickness of 6mm.

[0037] 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 oxide According to the mass ratio of material to water 1:0.5, add water and ball mill for 22 hours to obtain a slurry with a fineness of 250 mesh sieve and 0.05%; after removing iron,...

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Abstract

The invention provides a ceramic plate, and belongs to the field of ceramics. The ceramic plate comprises a plate and a glaze; the plate comprises the following components, in parts by weight: 15-25 parts of kaolin, 5-15 parts of talc powder, 0.5-1.5 parts of polyvinyl alcohol, 0.2-0.5 part of citric acid, 25-35 parts of cordierite, 2-4 parts of beryllium oxide, 3-5 parts of beryllium hydroxide, and 5-10 parts of strontium carbonate; and the glaze comprises the following components, in parts by weight: 65-75 parts of petalite, 5-15 parts of potassium feldspar, 4-6 parts of zinc oxide, 4-6 parts of kaolin, 6-8 parts of burnt talc, 2-4 parts of lithium carbonate, 2-4 parts of pyrochlore, 2-5 parts of spinel, and 0.5-1.5 parts of bismuth iron molybdenum oxide. The ceramic plate provided by the invention has good heat resistance and high strength and is not easy to deform.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a ceramic plate. Background technique [0002] The panel of the induction cooker has high requirements on the heat resistance and expansion coefficient of the material. The glass-ceramic plate is the main choice of the induction cooker panel on the market now, and its performance is better. The advantage of the glass-ceramic plate is that it has good heat resistance, a small expansion coefficient, and no water seepage. 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. [0003] Therefore, people hope to use cheap ceramic plate to replace. However, the existing heat-resistant ceramic plates have a relatively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/04C04B33/34C03C8/00C04B41/86
Inventor 林伟吴则昌范新晖廖花妹吴柏惠
Owner HEYUAN DONGYUAN EAGLE CERAMICS CO LTD
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