Sanitary ceramic glaze surface reheating hot patching glaze and preparation and processing method thereof

Abstract

The invention relates to a sanitary ceramic glaze surface reheating hot patching glaze and a preparation and processing method thereof, and the sanitary ceramic glaze surface reheating hot patching glaze is composed of a production glaze, a transparent glaze and additives, the production glaze is prepared by processing washed albite, superfine quartz powder, calcite, wollastonite, nano zirconium silicate, calcined talc, dolomite, strontium carbonate, calcined kaolin, Brazilian kaolin, light calcium carbonate, carboxymethyl cellulose and additives. The transparent glaze is prepared by processing frit, superfine quartz powder, calcite, dolomite, washed potassium feldspar, washed albite, calcined kaolin, stannic oxide and carboxymethyl cellulose. According to the hot patching glaze disclosed by the invention, one formula is adjusted into two formulas of glaze and two additional raw materials, and the temperature and shrinkage of the hot patching glaze are adjusted through different proportions, so that white spots and dark spots on a patching glaze surface are avoided, the glaze surface is smooth after firing, the stability of the hot patching glaze is improved, and the strain capacity when a kiln and the raw materials fluctuate is improved.

Description

technical field [0001] The invention relates to the technical field of sanitary ceramics production, in particular to a sanitary ceramics glaze surface re-fired hot-filling glaze and a preparation and processing method thereof. Background technique [0002] Sanitary ware refers to ceramic and hardware household equipment used in bathrooms and kitchens. Sanitary ware is mainly made of ceramic, glass fiber reinforced plastic, plastic, artificial marble (agate), stainless steel and other materials. Compared with other types of sanitary ware, ceramic sanitary ware has the advantages of white texture, soft color, dense structure, high strength and good thermal stability. Common ceramic sanitary wares include: toilets, wash basins, sinks, etc. The glaze applied on ceramics is generally made of quartz, feldspar, and clay. After grinding and adding water, it is coated on the surface of the body, and it is melted by roasting at a certain temperature. When the temperature drops, the...

AI Technical Summary

Problems solved by technology

After the ceramics are fired, usually there will be a small amount of defects such as cracks and depressions on the glaze surface. This defect will not affect the performance of the ceramic itself, but it will cause visual impact and the appearance is not good. In order to avoid waste and achieve good visual effects , usually cover the defect by hot patching glaze. The hot patching method is to cover the defect with glaze, and then return the whole sanitary ware to the furnace for firing, so that the repaired glaze and the original glaze are completely integrated. The hot patch repair effect is good, and the visual effect is good, but the existing hot patch formula is a hot patch glaze prepared from raw materials, which is made of only one formula. When the kiln temperature and raw material quality fluctuate, such as kiln heating, cooling, Changes in the sodium content of albite in the raw material, etc., the same raw material ratio but the effect of heat compensation is quite different, and there are quality defects such as white spots and unevenness