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Ceramic green body additive capable of reducing firing temperature as well as preparation method and application thereof

A ceramic body and firing temperature technology, which is applied in the field of ceramic body additives, can solve problems such as lowering the firing temperature, achieve the effects of reducing production costs, simple preparation process, and shortening the firing cycle

Active Publication Date: 2011-09-07
广东宝丰陶瓷科技发展股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcoming of the simple flux currently used to reduce the firing temperature of ceramic products

Method used

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  • Ceramic green body additive capable of reducing firing temperature as well as preparation method and application thereof
  • Ceramic green body additive capable of reducing firing temperature as well as preparation method and application thereof
  • Ceramic green body additive capable of reducing firing temperature as well as preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Said formula:

[0033] Feldspar 35 parts

[0034] Quartz 30 parts

[0035] Kaolin 6.0 parts

[0036] Talc 6.0 parts

[0037] Lithium feldspar 25 parts

[0038] Lanthanum oxide 1.5 parts

[0039] Such as process figure 1 As shown in the process flow diagram of the present invention, among the six kinds of raw materials used in the preparation of additives in this embodiment, five kinds of potassium feldspar, quartz, kaolin, talc, and lithium feldspar are natural raw materials, purchased in powder form, and one is chemical raw materials la 2 o 3 , with a purity of 99.99%. Raw material fineness passes through 160 mesh sieve. After accurately batching according to the formula, put it into a wet-process ball mill, grind until the fineness exceeds 300 mesh sieve, and discharge when the sieve balance is 0.5% wt. The slurry is pumped into a filter press for dehydration, and the dehydrated mud cake is dried to a moisture content of 1.0-2.0%wt, and then the dried mud ca...

Embodiment 2

[0044] Said formula:

[0045] Feldspar 45 parts

[0046] Quartz 36 parts

[0047] Kaolin 4.0 parts

[0048] Talc 2.0 parts

[0049] Lithium feldspar 18 parts

[0050] Lanthanum oxide 0.5 part.

[0051] Such as process figure 1 As shown in the process flow diagram of the present invention, among the six kinds of raw materials used in the preparation of additives in this embodiment, five kinds of potassium feldspar, quartz, kaolin, talc, and lithium feldspar are natural raw materials, purchased in powder form, and one is chemical raw materials la 2 o 3 , with a purity of 99.99%. Raw material fineness passes through 160 mesh sieve. After accurately proportioning according to the formula, put it into a wet-process ball mill, grind until the fineness exceeds 300 mesh sieve, and discharge when the sieve balance is 1% wt. The slurry is pumped into a filter press for dehydration, and the dehydrated mud cake is dried to a moisture content of 1.0-2.0%wt, and then the dried mud...

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Abstract

The invention discloses a ceramic green body additive capable of reducing firing temperature as well as a preparation method and application thereof. The additive comprises the following components in parts by weight: 35-45 parts of potassium feldspar, 30-36 parts of quartz, 4.0-6.0 parts of kaolin, 2.0-6.0 parts of talc, 18-25 parts of lithium feldspar and 0.5-1.5 parts of lanthanum oxide. By adopting the additive, the firing temperature can be reduced by 50-70 DEG C, and the density and mullite crystalline phase quatity of the ceramic green body are basically constant; and under the condition that the glass phase content is slightly increased, the good thermal shock resistance of the product can be maintained. The additive provided by the invention is characterized in that the energy-saving effect is obvious, and the product can still have high quality and good application prospect.

Description

technical field [0001] The invention relates to a body glaze formula in the daily-use ceramic industry, in particular to a ceramic body additive for lowering firing temperature and its preparation method and application. Background technique [0002] The ceramic industry is a high-energy-consuming industry, especially the daily-use ceramic industry. The firing temperature is high, the firing time is long, and the energy consumption is particularly large. Daily-use ceramic products can be divided into three categories according to the firing temperature: high-temperature ceramics, medium-temperature ceramics and low-temperature ceramics. Secondly, the price of low-temperature ceramics is lower. In order to reduce energy consumption, many manufacturers of daily-use ceramics add pure flux raw materials to the green body, reducing the maximum firing temperature from about 1360°C to about 1270°C, and the energy consumption is also reduced accordingly. However, pure flux Non-tox...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/63C04B35/622
Inventor 郭福琼吴基球彭梅兰郭志山郭志鹏
Owner 广东宝丰陶瓷科技发展股份有限公司
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