32results about How to "Good quality glaze" patented technology

Provided is a method for preparing iron tailing into ceramic frit glaze. The method for preparing iron tailing into ceramic frit glaze regards iron tailing as raw materials, is free of adding other ceramic pigment or, colorant except for iron, and prepares ceramic frit glaze which is abundant in color and good in effect. The method for preparing iron tailing into ceramic frit glaze explores a novel path for iron tailing resources with high technology and high added value. The dosage of the iron tailing in the ceramic frit glaze is large, and the iron tailing is in integral utilization. The method for preparing iron tailing into ceramic frit glaze utilizes affluent iron and other microelements in the iron tailing to tint for glaze, replaces the expensive ceramic pigments, greatly lowers the cost of the ceramic frit glaze, selects and provides novel direction for ceramic frit glaze raw materials and the ceramic pigments, and lowers the dependent degree to high quality non-metal mineral resources compared with the current ceramic glaze production. The iron tailing and parts of the raw materials are initially melted to frits to use, so that firing temperature range of the glaze is expanded, and ceramic glaze surface quality is improved. A series of unfavorable influences to the preparation process in the process of applying the iron tailing in a ceramic green body are overcome. The method for preparing iron tailing into ceramic frit glaze has the advantages of being simple in process, optimum in glaze quality, and applicable to industrialized mass production.

The invention discloses a microcrystal-reinforced transparent leadless fritted glaze and a preparation method thereof, belonging to the field of ceramic glaze processing. The microcrystal-reinforced transparent leadless fritted glaze, prepared by the invention, comprises the chemical components in percentage by weight: 45.0-55.0% of SiO2, 5.0-7.0% of Al2O3, 0.1-0.2% of Fe2O3, 2.0-11.0% of CaO, 1.0-1.5% of MgO, 2.0-4.0% of K2O, 0.5-2.0% of Na2O, 0-3.0% of Li2O, 7.0-9.0% of ZnO, 3.0-5.0% of BaO, 2.0-2.6% of SrO, 5.0-10.0% of B2O3, 3.0-6.0% of ZrO2, and 0-1.0% of La2O3. The lead element in the fritted glaze is replaced with a composite solvent of alkali metal, alkaline-earth metal and a small amount of rare earth elements, the lead release is zero, thus the damage of the lead element in high-grade household porcelains represented by fine-bone china to a human body is thoroughly eliminated; and the prepared product is good in glaze glossiness and thermal stability, and high in transparency.

The invention relates to a method for manufacturing an anti-slip glazed tile, which comprises the following steps: step1) printing; selecting a dried ceramic green body, printing on the surface of the ceramic green body to form a printing layer; Step2) coating high temperature transparent frit; coating the high temperature transparent frit particles with particle size of less than or equal to 20 meshes on the surface of the printed green body in the step1); step3)roasting in kiln; roasting the green body of the high temperature transparent frit particles coated in the step2) under the roller-way kiln oxidation atmosphere, wherein the roasting temperature is 1150-1230 DEG C and the roasting period is 80-120 minutes; and step4) edge rounding grinding; after cooling the roasted green body in the step 3), rounding and grinding edge to obtain the anti-slip glazed tile finished product. Compared with the prior art, the anti-slip glazed tile has anti-slip projection on the surface, the friction area is larger, the anti-slip effect is good, the glaze quality is good, and the anti-slip glazed tile has no influence to decorative effect on the printing layer.

The invention discloses an antibacterial glaze, which is composed of a bottom glaze and a surface glaze; the composition of the bottom glaze is 7-12wt% of zirconium silicate, 1-2wt% of titanium dioxide, and the balance is the basic bottom glaze; The composition of the glaze is 0.5-2wt% of rare earth inorganic compound and the rest is basic surface glaze. The rare earth inorganic compound contains titanium dioxide with a content of ≥16wt% and thorium dioxide with a content of ≥15wt%. In addition, the preparation method and application of the antibacterial glaze are also disclosed. The invention obtains a glaze layer capable of radiating far-infrared rays through formula design, so that the sanitary ceramic products have antibacterial and antibacterial effects, thereby effectively improving the antibacterial effect of the antibacterial sanitary ceramics, and better solving the problems of environment optimization and purification.

The invention relates to a preparation method of an intermediate-temperature magnesium strengthening porcelain and a product prepared from the intermediate-temperature magnesium strengthening porcelain. The formula of the strengthening porcelain comprises the following billet materials and glaze materials by weight percent: the billet materials: 30% to 45% of sintered talc, 20% to 35% of raw talc, 5% to 15% of feldspar, 10% to 18% of kaolin, 3% to 5% of bentonite and 0% to 15% of quartz; the glaze materials: 20% to 40% of feldspar, 5% to 15% of calcite, 4% to 8% of kaolin, 0% to 15% of quartz, 3% to 5% of ZnO, 3% to 5% of BaCO and 20% to 35% of glass materials. The preparation method comprises the following steps: carrying preparation, molding, drying, billet biscuiting, glazing, drying and intermediate-temperature glaze firing on the billet materials and the glaze materials under the conditions that the biscuiting temperature of a billet is controlled within 1240 DEG C to 1260 DEG C, the heat preservation time of the billet is 30 minutes, the firing time of an intermediate-temperature glaze is 1100 DEG C and the firing time of the intermediate-temperature glaze is 30 minutes, thereby obtaining the strengthening porcelain with a good glaze surface quality and a high glossiness. Thus, the method has a wide application prospect.

A resource-saving glazed ceramic tile having an antiskid effect on surface and a preparation method thereof. Without great change on production process of the glazed ceramic tiles, formula composition of a blank body, composition of ground and cover glaze frits and formula composition of ground and cover glaze are regulated and optimized focusedly, so that the glazed ceramic tile, which has excellent performance and the antiskid effect, can be prepared even large quantity sludge residue is added to the blank body. Through a high-magnification scanning electronic microscopy for observing the surface of glaze on the product, it is found that projects which are hard and needle-like and look like aluminum spinel crystal are formed on the surface, and the glaze is 0.8 in antiskid coefficient and is R12 in antiskid level when a less quantity of water is sprayed on the glaze. The glazed ceramic tile has good antiskid effect, can reach 4000 r / four grade in wear-resisting revolution through detection, and has good anti-wear performance, surface anti-fouling performance and water permeation resistance. The glaze has no defects such as needle pores, bubbles and the like, has clear decorative pattern grains and is highly stone-simulated. The technology has strong adaptability and is easy to promote in the field.

The invention relates to a fine stoneware tile produced by a ceramic solid recovered material and a production method thereof. Based on no great changed generated on the current fine stoneware tile production technology, adjustment and optimization can be carried out on formula composition of a biscuit, formula composition of a ground glaze, formula composition of cover glaze, and sintering, so that the ceramic solid recovered material is added in the biscuit formula to produce the fine stoneware tile product with excellent performance, the surface of the product presents a matte state, the product has the advantages of good flatness, high intensity, and high abrasion resistance, the glaze surface of the product has the advantages of smoothness and softness, no pin hole, and no glaze bubble, surface moulding and pattern design are closely matched, so that the fine stoneware tile has stone-like, wood-like, and cement brick-like effects; at the same time, the method has strong universality, and is easily popularized in industry.

A prepared matte background and glossy pattern glazed tile product is enabled to have a surface with two special decorative effects, i.e., soft matte and highlight mirror-like effects, at the same time critically by virtue of optimization of types of biscuits, optimization of composition of a ground coat frit and a surface coat frit, optimization of composition of a ground coat and a surface coat, optimization of composition of a matte printing glaze frit, optimization of composition of matte printing glaze, adjustment and optimization of a pattern printing process and optimization of number of screen printing plates of the matte printing glaze and carving modes of an offset print roll on the basis of not significantly changing a conventional glazed tile production process. With organic combination with pattern design, the patterns at the soft matte parts and the highlight mirror-like parts of the tile are enabled to represent two different visual decorative effects at the same time. The difference of glossiness measured at the soft matte parts and the highlight mirror-like parts by using a WGG60-E4 gloss meter is greater than or equal to 50, so that the tile has a very unique visual effect and is strong in integral art aesthetic feeling. At the same time, the technology disclosed by the invention is good in universality and is easy to popularize in the industry.

The present invention is medium and high temperature sintered coarse crystalline Fe-Ti glaze and its preparation process. The coarse crystalline Fe-Ti glaze has TiO2 as crystallizing agent, stable crystal form with CaO, Fe2O3 and TiO2, good crystallizing effect even at high temperature and greatly lowered glaze material cost. The glaze material is prepared with feldspar 45 weight portions, quartz 15-20 weight portions, calcite 12-18 weight portions, titanium dioxide 5-8 weight portions, talcum 2-5 weight portions, iron red 5-10 weight portions and kaolin 5-10 weight portions, and through ball milling the material, sieving, adding water into the glaze slurry to 40-49 Be deg, sieving the glaze slurry, applying to biscuit, and sintering at 1250-1350 deg.c in a kiln.

The invention discloses a leadless fritted glaze, which comprises the following parts: 35.0-60.0%SiO2, 14.0-18.0%Al2O3, 3.0-10.0%CaO, 0.0-5.0%MgO, 5.0-10.0%K2O, 2.0-5.0%Na2O, 5.0-10.0%ZnO, 4.0-12.0%B2O3, 1.0-5.0%SrO, 0.0-1.0 %Li2O, 0.0-8.0%BaO and 5.0-9.0%ZrO2. The invention solves masking problem for magnesium ceramic glaze surface, which prevents environmental pollution due to overcoming to flow lead and cadmium.