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Novel heat-resistant porcelain clay with high thermal shock resistance and method for preparing heat-resistant porcelain using same

A technology of thermal shock resistance and heat resistance, applied in the field of ceramics, can solve the problems of single source of raw materials, difficult to control production, narrow firing range, etc., to widen firing range, reduce firing temperature, thermal shock resistance Good results

Inactive Publication Date: 2014-01-22
CHAOZHOU HUAYU CERAMIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most heat-resistant ceramic products on the market are produced by adding a large amount of spodumene to generate Li 2 O·Al 2 o 3 ·SiO2 2 system to obtain thermal shock resistance, but its raw material source is single, and its thermal shock resistance is not high. Generally, it can only exchange heat at a temperature of 300-20°C, which cannot meet higher requirements and limits the use of the product; and the firing temperature Generally, it needs to reach between 1280-1340°C, and the firing range is narrow, only 20-30°C, so it is difficult to control the production

Method used

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  • Novel heat-resistant porcelain clay with high thermal shock resistance and method for preparing heat-resistant porcelain using same

Examples

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Embodiment 1

[0010] Embodiment 1: Get 35 kilograms of muscovite, 15 kilograms of diopside, 45 kilograms of nepheline syenite, and 5 kilograms of graphite are mixed and added 30 kilograms of water ball mills to pass through a 325 mesh sieve, and then dehydrated, pressed mud, and stale according to traditional techniques , mud refining, and grouting to form a ceramic pot, and then burn it at 1120°C for 8 hours to make a heat-resistant ceramic pot.

Embodiment 2

[0011] Embodiment 2: get 35 kilograms of muscovite, 15 kilograms of diopside, 45 kilograms of nepheline syenite, 5 kilograms of graphite and mix and add 30 kilograms of water balls and pass through a 325 mesh sieve, then dehydrate, press mud, and stale according to traditional techniques , mud refining, and grouting to form ceramic discs, and then burn them at 1240°C for 6 hours to make heat-resistant ceramic discs.

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Abstract

The invention discloses novel heat-resistant porcelain clay with high thermal shock resistance and a method for preparing heat-resistant porcelain using the novel heat-resistant porcelain clay. The heat-resistant porcelain clay comprises the following components based on parts by weight: 34-36 parts of white mica, 14-16 parts of diopside, 44-46 parts of nepheline syenite and 4-5 parts of graphite. The method for preparing the heat-resistant porcelain using the heat-resistant porcelain clay comprises the following steps of: mixing components of the heat-resistant porcelain clay, carrying out ball milling by adding water, sieving by a 325-mesh screen, dehydrating, clay pressing, staling, clay refining and forming in a grouting way according to the conventional technology, and firing under 1120-1240 DEG C for 6-8 hours to obtain a product. The heat-resistant porcelain product prepared by the porcelain clay is free of adding of spodumene raw material, good in thermal shock resistance, resistant in 600-20 DEG C heat exchange to avoid fission, and wide in use range; and the firing temperature is reduced, the firing range is widened, and environment-friendly and energy-saving effects are realized.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a novel heat-resistant porcelain clay with high thermal shock resistance and a method for making heat-resistant ceramics with it. Background technique [0002] Most heat-resistant ceramic products on the market are produced by adding a large amount of spodumene to generate Li 2 O·Al 2 o 3 ·SiO2 2 system to obtain thermal shock resistance, but its raw material source is single, and its thermal shock resistance is not high. Generally, it can only exchange heat at a temperature of 300-20°C, which cannot meet higher requirements and limits the use of the product; and the firing temperature Generally, it needs to reach between 1280-1340°C, and the firing range is narrow, only 20-30°C, so it is not easy to control the production. Contents of the invention [0003] In order to solve the above problems, the present invention provides a novel heat-resistant porcelain clay with high thermal s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/16C04B35/622
Inventor 王劝泉
Owner CHAOZHOU HUAYU CERAMIC CO LTD