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A kind of dry particle additive for full-polishing glaze of ceramic tile and preparation method thereof

A technology of full glaze polishing and additives, applied in the field of additives, can solve the problems of affecting color development, wear resistance, and generating a large number of air bubbles, and achieve the effects of improving hardness and wear resistance, avoiding secondary pollution and improving transparency.

Inactive Publication Date: 2016-01-20
FOSHAN GAOMING HAIDI CERAMIC RAW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the full glaze on the market include that if the glaze is too thick, a large number of air bubbles will be generated during firing, which will make the product poor anti-fouling ability after polishing; if the glaze is too thin, the glazed tiles should be small and not wear-resistant. It is easy to deform. At present, the hardness of full polished glaze is about 4.5-5 on the Mohs scale before polishing.
In order to increase the hardness and wear resistance of fully polished glazed tiles, some people have added white corundum in the process of full glazed glaze. The disadvantage is that the addition of white corundum is large enough to have an effect, but it will become larger as the added amount increases. Opaque, affecting hair color

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A dry granular additive for ceramic tile full glaze is prepared from the following raw materials calculated by weight percentage:

[0047] Spodumene 5%, albite 15%, barium carbonate 40%, alumina 9%, quartz 20%, calcined talc 11%;

[0048] Specific steps are as follows:

[0049] 1) Mixing: Mix the above raw materials in a mixer for 10 minutes according to the proportion, and stir evenly;

[0050] 2) Melting and water quenching: Melt the mixed raw materials in step 1) in a pool furnace at 1480-1550°C to form molten glass, then flow the molten glass into a pool at 20°C in streams, and crush it into transparent particles;

[0051] 3) Drying and beating to dry granules: After drying the above-mentioned transparent granules at 200°C, beat them into 100-200 mesh dry granules with a machine.

Embodiment 2

[0053] A dry granular additive for ceramic tile full glaze is prepared from the following raw materials calculated by weight percentage:

[0054] Spodumene 7%, albite 10%, barium carbonate 50%, alumina 7%, quartz 15%, calcined talc 11%.

[0055] Specific steps are as follows:

[0056] 1) Mixing: Mix the above raw materials in a mixer for 15 minutes according to the proportion, and stir evenly;

[0057] 2) Melting and water quenching: Melt the mixed raw materials in step 1) in a pool furnace at 1480-1550°C to form molten glass, then flow the molten glass into a pool at 40°C in streams, and crush it into transparent particles;

[0058] 3) Drying and beating to dry granules: After drying the above-mentioned transparent granules at 180°C, machine them into 100-200 mesh dry granules.

Embodiment 3

[0060] A dry granular additive for ceramic tile full glaze is prepared from the following raw materials calculated by weight percentage:

[0061] Spodumene 6%, albite 10%, barium carbonate 40%, alumina 8%, quartz 22%, calcined talc 14%;

[0062] Specific steps are as follows:

[0063] 1) Mixing: Mix the above raw materials in a mixer for 15 minutes according to the proportion, and stir evenly;

[0064] 2) Melting and water quenching: Melt the mixed raw materials in step 1) in a pool furnace at 1480-1550°C to form molten glass, then flow the molten glass into a pool at 60°C in streams, and crush it into transparent particles;

[0065] 3) Drying and beating to dry granules: After drying the above-mentioned transparent granules at 250°C, beat them into 100-200 mesh dry granules with a machine.

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Abstract

The invention discloses a dry granular additive for full polishing of ceramic tiles and a preparation method of the dry granular additive. The dry granular additive is prepared from the following components in percentage by weight: 0.3-0.6% of LiO2, 1-2% of Na2O, 3-40% of BaO, 20-25% of Al2O3, 35-42% of SiO2 and 4-6% of MgO, and the dry granular additive is prepared by use of the steps of mixing, melting, water quenching, drying, dry pelleting and the like. The dry granular additive is added to full polishing of ceramic tiles so as to improve the hardness and wear-resisting properties of the full-polished ceramic tiles. According to the preparation method of the dry granular additive, glass melt is crushed into transparent granules by use of the water quenching process, and therefore, the secondary pollution of glassy water is avoided and energy is saved for subsequent drying and crushing.

Description

technical field [0001] The invention relates to an additive in the production process of ceramic floor tiles, in particular to a dry granular additive for full glaze of ceramic tiles and a preparation method thereof. Background technique [0002] Ceramic bricks are plate or block ceramic products produced from clay and other inorganic non-metallic raw materials through molding and sintering processes, and are used to decorate and protect the walls and floors of buildings and structures. It is usually shaped by dry pressing, extrusion or other molding methods at room temperature, then dried and fired at a certain temperature. [0003] Full polish glaze is a kind of special formula glaze that can be polished on the glaze surface. It is the last glaze applied to antique bricks. At present, it is generally transparent surface glaze or transparent convex pattern glaze, which is applied to full polish glaze. The fully polished glazed tile combines the advantages of polished tiles...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86
Inventor 于庆九谢景春
Owner FOSHAN GAOMING HAIDI CERAMIC RAW MATERIAL CO LTD