13 results about "Ball clay" patented technology

This invention discloses a wear-resistant electrical porcelain glaze and its preparation method, belonging to the technical field of electrical porcelain insulators. The method includes the following steps: S1, adding graphene oxide and a surfactant to deionized water, stirring, ultrasonically dispersing for 10-12 hours, centrifuging, collecting the precipitate, and drying to obtain modified graphene oxide; the surfactant modifies the graphene oxide to improve its water dispersibility, allowing it to be uniformly dispersed in water without easily agglomerating or precipitating; S2, thoroughly mixing dried potassium feldspar, sodium feldspar, kaolin, quartz powder, calcined talc, ball clay, barium titanate, modified graphene oxide, and a dispersant by weight to obtain a mixture; S3, adding the mixture to a ball mill for ball milling, iron removal, and aging to obtain the wear-resistant electrical porcelain glaze. The wear-resistant electrical porcelain glaze provided by this invention has excellent wear resistance, and the preparation method is simple and easy to operate, showing good application and promotion prospects.

The application discloses a production method of porcelain mud made of waste porcelain powder, and belongs to the technical field of ceramic materials. The method comprises the following steps: step 1, adding waste porcelain powder, sodium feldspar, potassium feldspar, ball clay, high-white primary ore, modified kaolin and calcined talc into a ball mill according to weight parts, adding water, ball-milling and mixing for 24-36 hours to obtain mud; and step 2, screening the mud obtained in step 1 to remove iron, pressure filtering, and refining the mud to obtain porcelain mud. The modified kaolin in the application has high dispersing performance and is not prone to agglomeration, and the mixing effect is excellent. The porcelain mud made of waste porcelain powder in the application has high plasticity and is not prone to cracking, dry shrinkage and other phenomena in the use process; the application not only effectively utilizes the waste porcelain powder generated by the ceramic industry, but also widens the production method of porcelain mud, and has great significance for the ceramic industry.

The present application relates to the technical field of the production of sanitary ceramics, and in particular relates to a green body for eliminating sintering blisters from a high-pressure formed ceramic, and a preparation method therefor. On the basis of the mass percentage of raw materials, the green body comprises: 20%-25% of kaolin, 1%-3% of quartz, 5%-8% of ball clay, 17%-27% of high-alumina porcelain stone, 3%-8% of waste porcelain, 3%-10% of low-glaze recycled mud, 0%-5% of raw porcelain clay, 10%-15% of water-washed porcelain clay, 10%-21% of spodumene tailings and / or microcline, and 2%-5% of wollastonite. The green body is obtained by means of high-pressure slip casting, drying and sintering. In the present application, the formation and blocking mechanisms of sintering blisters are precisely determined, thereby effectively controlling the defect of sintering blisters in high-pressure formed sanitary ceramic products. In addition, a large number of industrial solid waste raw materials such as waste porcelain, waste mud and spodumene tailings are used in the formula of the green body of the present application, which helps to reduce the accumulation of industrial solid waste, reduce environmental pressure and promote the sustainable development of the sanitary ceramics industry.

The invention discloses a method for preparing an organic-inorganic composite real stone paint by using ball clay tailings as a main material, and the formula is as follows: 20-30 parts of ball clay washing tailings coarse sand (20-40 meshes), 23-27 parts of ball clay washing tailings medium sand (40-80 meshes), 15-18 parts of ball clay washing tailings fine sand (80-120 meshes), 10-13 parts of deionized water and 0.2-0.3 part of hydroxypropyl methyl cellulose. The coating is prepared from the following components in parts by weight: 0.15 to 0.23 part of kathon fungicide, 8 to 10 parts of silicone acrylic emulsion, 3 to 4 parts of potassium silicate, 5 to 8 parts of silica sol, 0.3 to 0.5 part of propylene glycol, 0.2 to 0.4 part of defoaming agent and 0.3 to 0.4 part of dispersing agent. After the ball clay tailings are washed and screened, the main component is silicon dioxide, the ball clay tailings have good chemical inertness, soluble salt and suspended impurities can be removed through washing, the risk of emulsion flocculation caused by ions is avoided, and meanwhile, a dense stacking structure is formed through multi-stage particle matching; potassium silicate and silica sol can react with COs or are subjected to dehydration condensation to form silicon-oxygen bonds, extremely high hardness is provided, the potassium silicate and the silica sol are compounded with the silicone acrylic emulsion to form an organic-inorganic composite system, and flexibility and hardness are both considered.

The invention discloses a high elastic modulus alumina ceramic, and relates to the technical field of ceramics, the high elastic modulus alumina ceramic comprises a body material: 75 parts by mass of kaolin, 22.5 parts by mass of bentonite, 13 parts by mass of heavy magnesium carbonate, 2.5 parts by mass of calcium carbonate, and 120 parts by mass of alumina; glaze: 100 parts by mass of silicon dioxide, 22.5 parts by mass of potassium fluoroaluminate, 5 parts by mass of cerium dioxide, 6 parts by mass of yttrium oxide, 5 parts by mass of aluminum borate whiskers, 8 parts by mass of nano-zinc oxide, 3 parts by mass of cerium-graphene nanoparticles and 0.5 part by mass of large-ball mud superfine powder. According to the high-elasticity-modulus aluminum oxide ceramic, rare earth elements including cerium dioxide and yttrium oxide are beneficial to improving the toughness and high-temperature performance of the ceramic, and the strength and wear resistance of the ceramic can be enhanced by adding aluminum borate whiskers and nano-zinc oxide; due to the existence of the cerium-graphene nanoparticles, the electrical conductivity and thermal conductivity of the ceramic can be improved; the large-ball mud superfine powder is beneficial for improving the microstructure of the ceramic, so that the performance of the whole aluminum oxide ceramic is optimized.

The invention relates to the technical field of building materials, and mainly relates to a ceramic tile with a same-color blank surface and a preparation method thereof. The ceramic tile with the same-color blank surface comprises a blank body and a glaze layer, the glaze layer covers the surface of the blank body, and the glaze layer is prepared from transparent glaze; the blank body comprises the following components in parts by weight: 30-40 parts of potassium feldspar, 10-20 parts of dolomite, 1-5 parts of zinc oxide, 5-10 parts of strontium carbonate, 3-8 parts of corundum, 3-8 parts of washed soil, 5-10 parts of wollastonite, 1-5 parts of barium carbonate and 10-15 parts of frit; the transparent glaze comprises the following components in parts by weight: 5-10 parts of washed ball clay, 10-15 parts of medium white clay, 3-8 parts of talcum powder, 15-25 parts of potassium sand, 3-8 parts of white clay, 25-35 parts of potassium-sodium sand, 5-10 parts of albite powder, 5-10 parts of kaolin and 390-420 parts of water glass. The ceramic tile provided by the invention has a good blank surface same-color effect, and also has high adhesive force and strong wear resistance.

The invention belongs to the technical field of wine production, and particularly relates to a stoneware pot for ageing wine, a preparation method of the stoneware pot and a wine aroma enhancement method. The preparation raw materials of the stoneware contain kaolin, ball clay, clay, quartz, feldspar and river sand, and also contain plant ash, and 1.48 [mu] g / L of 2-acetyl-1H-pyrrole can be detected in wine aged by the stoneware prepared from the raw materials. According to the aroma enhancement method of the grape wine, the grape wine can contain 2-acetyl-1H-pyrrole, and the aroma of the grape wine can be richer and richer.

The present invention relates to process for forming high-quality porcelain tiles from a body formulated by mixtures of kaolin, steel slag (waste with composition: Total Fe=33.34 wt.%, CaO=27.22 wt.%, Si0.=20.80 wt.%, ALO:=9.19 wt.%, MnO=3.98 wt.%, MgO=2.06 wt.%, Cr-0.=1.23 wt.% and L.O.1.=0.01 wt.%), quartz, and feldspar. This invention recycles steel slags as a partial replacement for ball clay (kaolin) to produce eco-friendly porcelain tiles via the conventional powder compaction method. The raw materials are intimately mixed for approximately 25 minutes, pressed into rectangular plates at a mold pressure of 40 MPa, and sintered at temperatures ranging from 1000 to 1300°C ህቪከ soaking times ከርጠ %2 hr to 3 hrs. The steel slag exhibits tremendous positive effects on the properties of the resulting porcelain tiles, enabling lower sintering temperatures, reduced energy consumption, and superior mechanical and durability characteristics while addressing environmental pollution from industrial waste stockpiles.

The application relates to the field of glazed tiles, in particular to a high-fine-texture soft-light-sensation surface ceramic tile. The ceramic tile comprises, from bottom to top, a body layer, a bottom glaze layer and a surface glaze layer, wherein the body layer is a ceramic tile body; the bottom glaze, in terms of mass parts, comprises the following raw materials: 12-20 parts of power plant cinder ash, 5-10 parts of white gangue, 10-15 parts of quartz sand, 10-15 parts of kaolin, 2-3 parts of high-alumina bauxite, 4-6 parts of magnesite, 12-15 parts of ball clay, 1-3 parts of black clay, 3-5 parts of montmorillonite, 12-18 parts of pyrophyllite, 10-15 parts of albite, 10-15 parts of potassium feldspar, 3-5 parts of zirconium silicate and 1-3 parts of high-boron glass powder. The application provides a high-fine-texture soft-light-sensation surface ceramic tile and a preparation process thereof, which can have self-cleaning effect, surface fineness and soft-light-sensation surface effect while having excellent anti-skid performance, thereby solving the problem that the performance of the existing glazed tile cannot be comprehensive.

The application relates to the technical field of refractory materials, in particular to a kind of refractory brick suitable for combustion chamber of Mannheim furnace and a preparation method thereof, which comprises the following raw materials by weight: 45-50 parts of kaolin, 30-35 parts of bauxite clinker, 12-15 parts of attapulgite, 5-8 parts of ball clay, 5-9 parts of composite binder, 6-19 parts of filler and 3-8 parts of composite additive.In the application, the dense structure of the filler and the strong interfacial bonding force of the modified powder reduce the micro-cracks caused by thermal stress, the piezoelectric effect of barium titanate nano-powder in the composite additive alleviates the internal stress caused by temperature fluctuation, the low-expansion characteristics of hafnium oxide powder and zirconium boride powder are synergistically optimized with the rare earth doped modification of the composite powder to optimize the thermal expansion matching of the brick body, inhibit the structural damage in the thermal shock process, avoid the accelerated penetration of corrosion medium through micro-cracks, ensure the structural integrity of the brick body under the temperature fluctuation working condition of Mannheim furnace, and enhance the thermal shock resistance.

The invention discloses a high-plasticity green body pug based on a low-grade domestic ceramic raw material and a preparation method of the high-plasticity green body pug. The green body pug is prepared from a green body basic raw material, a plasticizer sodium carboxymethyl cellulose and a binder corn starch. Wherein the base raw material of the green body comprises 45-55 wt% of a low-grade domestic ceramic raw material, 5-20 wt% of Suzhou clay, 2-15 wt% of ball clay, 1-6 wt% of bentonite, 5-10 wt% of quartz and 20-25 wt% of feldspar, and the use amount of the plasticizer is 0.2-0.5 wt% of the base raw material of the green body, and the use amount of the binder is 1-1.5 wt% of the base raw material of the green body. The specific type of high-plasticity clay is scientifically combined, compounded and used, and the efficient plasticizer and the binder are accurately introduced, so that the plasticity, the bonding strength and the uniformity of the green body are remarkably improved, the cracking phenomenon of the green body in the drying and sintering processes is effectively inhibited, the qualification rate of domestic ceramic products is greatly increased, and the production cost is reduced. The high-value utilization of the low-grade domestic ceramic raw material is favorably promoted.

The invention relates to the technical field of refractory bricks, in particular to a phosphate combined light-burned high-alumina brick for a high-erosion-resistance Mannheim furnace hearth, which is prepared from the following raw materials in parts by weight: 30 to 35 parts of homogenized alumina, 35 to 40 parts of calcined alumina, 8 to 10 parts of ball clay, 1.5 to 2 parts of mixed liquor, 4 to 6 parts of aluminum dihydrogen phosphate solution and 10 to 15 parts of filler. According to the invention, after zircon in the base material is activated by dilute nitric acid and modified by a silane coupling agent, the surface activity is improved, the zircon and a phosphate binding agent generate strong chemical bonding, nano zirconium oxide in the auxiliary material forms a stable crystal structure after hydrothermal synthesis and high-temperature calcination, and the base material and the auxiliary material are tightly combined in the mixing process; uniformly distributed reinforcing units are formed in the matrix, and through double mechanisms of physical filling and interface chemical bonding, the densification degree and integrity of the matrix are remarkably improved, so that the permeation path of a corrosive medium is effectively blocked, and the long service life of the material is ensured.

The present application relates to the technical field of the production of sanitary ceramics, and particularly relates to a low-temperature sanitary ceramic green body and a preparation method therefor, and a low-temperature sanitary ceramic. The green body comprises the following raw materials in percentages by mass: 10-20% of ball clay, 10-25% of high-alumina porcelain stone, 5-15% of spodumene tailings or microcline, 25-45% of porcelain clay, 0-10% of potassium feldspar, 5-20% of tremolite, and 5-20% of boron-containing waste glass. Problems in controlling the regularity of mass-produced products are overcome by introducing natural microfibrous / nanofibrous tremolite to replace a calcium- and magnesium-containing raw material, i.e., dolomite, performing low-temperature sintering to form a system comprising multiple mineral phases such as sodium / calcium feldspar, using a key technique capable of achieving steady-state control over the deformation rate during sintering, and broadening the sintering range of a low-temperature sintering green body. Moreover, a low-temperature sintering ceramic slurry is endowed with better forming performance, thereby improving the tensile strength of both wet and dried green bodies, solving quality problems such as susceptibility to cracking during the forming and firing processes of a green body caused by poor suspension properties of a slurry, and meeting the process requirements of mass production.