RussianPatents.com
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Raw mixture and method of producing cellular ceramic materials. RU patent 2263087. |
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FIELD: ceramic compositions. SUBSTANCE: raw mixture comprises, in mass%, 8.81-9.37 of micro-silicon dioxide, 50.0-53.3 of ash-priming, 3.12-8.6 of carbon lining, 0.06-0.072 of aluminum powder, 0.02-0.31 of sodium carboxymethyl cellulose, and 33.8-35.07 of water. The method comprises preparing the mixture, molding, swelling by vibration, drying at a temperature of 100°C, and roasting at a temperature 800°C. EFFECT: enhanced strength. 2 cl, 2 tbl, 1 ex
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Raw mixture and method for making wall ceramic article / 2255919 Invention is designated for manufacturing wall ceramic articles. The raw mixture comprises the following components in the ratio, wt.-%: microsilica in manufacturing crystalline silicon, 33.9-54.5; ash fly after combustion of brown coals, 44.5-63.5, and electrofilter dust in basic manufacturing aluminum, 1.0-2.6. Electrofilter dust represents brown color waste and comprises calcium, magnesium and aluminum fluorides, cryolite and organic substances. Method involves preparing the charge, molding, drying, roasting at 800°C and moistening ready articles by keeping in water for 24 h. Invention provides enhancing resistance to cold, reducing average density and roasting temperature of material. |
Raw mix and a method for manufacturing wall ceramics / 2254309 Raw mix contains 52. 7-56.3% of microsilica, 42.5-46.5% of flue ash, and 0.8-1.2% of electrofilter dust from original aluminum production. Wall ceramic products comprises preparation of blend, molding, drying, and firing at 800°C, and additional steaming of fired products. |
Raw mix for manufacture of wall ceramics / 2254308 Raw mix contains 50.69-51.4% of flue ash from brown coal combustion, 41.17-42.06% of microsilica from crystalline silicon production, and 6.54-7.84% of electrofilter dust from aluminum production. |
Raw mix for manufacture of wall ceramics / 2254308 Raw mix contains 50.69-51.4% of flue ash from brown coal combustion, 41.17-42.06% of microsilica from crystalline silicon production, and 6.54-7.84% of electrofilter dust from aluminum production. |
Raw mix and a method for manufacturing wall ceramics / 2254309 Raw mix contains 52. 7-56.3% of microsilica, 42.5-46.5% of flue ash, and 0.8-1.2% of electrofilter dust from original aluminum production. Wall ceramic products comprises preparation of blend, molding, drying, and firing at 800°C, and additional steaming of fired products. |
Raw mixture and method for making wall ceramic article / 2255919 Invention is designated for manufacturing wall ceramic articles. The raw mixture comprises the following components in the ratio, wt.-%: microsilica in manufacturing crystalline silicon, 33.9-54.5; ash fly after combustion of brown coals, 44.5-63.5, and electrofilter dust in basic manufacturing aluminum, 1.0-2.6. Electrofilter dust represents brown color waste and comprises calcium, magnesium and aluminum fluorides, cryolite and organic substances. Method involves preparing the charge, molding, drying, roasting at 800°C and moistening ready articles by keeping in water for 24 h. Invention provides enhancing resistance to cold, reducing average density and roasting temperature of material. |
Raw mixture and method of producing cellular ceramic materials / 2263087 Raw mixture comprises, in mass%, 8.81-9.37 of micro-silicon dioxide, 50.0-53.3 of ash-priming, 3.12-8.6 of carbon lining, 0.06-0.072 of aluminum powder, 0.02-0.31 of sodium carboxymethyl cellulose, and 33.8-35.07 of water. The method comprises preparing the mixture, molding, swelling by vibration, drying at a temperature of 100°C, and roasting at a temperature 800°C. |
Raw material mixture and method of manufacture of ceramic materials of high-porous structure / 2263088 Proposed mixture includes the following components, mass-%: microsilica, 8.06-8.31; fly ash, 56.30-58.20; aluminum powder, 0.40-0.42; detergent, 0.40-0.42; carboxymethyl cellulose, 0.81-0.98; calcium chloride, 0.17-0.19; water, 32.20-33.54. Method of manufacture of ceramic materials of high-porous structure includes preparation of mixture, molding, vibration bulging, drying at temperature of 100°C and roasting at temperature 900°C. |
Refractory foamed carbon-containing material / 2263648 Invention relates to manufacturing light porous carbon-containing refractory materials. Invention proposes material showing inorganic cellular structure prepared by foaming and hardening the slip composition prepared from ground charge with a gas-forming agent - finely divided crystalline silicon mixed with water glass in the following mass ratios of components in the slip composition: water glass : silicon = (3-6):1 and charge : water glass = (1.0-1.5):1. Charge comprises components in the following ratio, mas. p. p.: mineral filling agent, 45-53; calcined shungite, 15-22; aluminum powder, 10-15. Quartz sand, quartzite, perlite, vermiculite, dinas, cement fly ash and slags are used as a mineral filling agent, Foamed material comprises 12-20 wt.-% of silicon carbide and 25-51 wt.-% of kyanite prepared by exothermic reaction at 1400-1700°C carrying out in volume of hardened porous material. Material shows porosity 60-81% and heat conductivity 0.08-0.18 Wt/m x K at 20°C and shows high mechanical indices and stability in oxidizing medium. Material can be prepared without large energy and labor consumptions. |
Raw mixture for production of wall ceramic articles / 2267471 Claimed mixture contains as starting components (mass %) microsilica from crystal silicium production 51.9-52.9; fly ash from brown coal combustion 43.3-42.4; electrostatic cleaner from aluminum production 0.9-1.0, and detergent 2.9-4.7. |
Raw materials mixture for production of wall ceramic products / 2268866 The invention is pertaining to the field of construction industry, in particular, to production raw materials mixture for production of wall ceramic products. The technical result of the invention is an increased frost resistance of the products at reduction of a shrinkage and temperatures of the material roasting. The raw materials mixture contains (in mass %): microsilica of production of crystalline silicon - 30.43-31.82, a fly ash from incineration of brown coals - 56.52-59.09 and a prorash from bucking of the spent carbon lining of electrolytic baths - 9.09-13.04. |
Raw mixture for making wall ceramic article / 2269500 Invention proposes a raw mixture and composites for making wall ceramic articles. Proposed raw mixture for making wall ceramic articles comprises as raw components microsilica from manufacture of crystalline silicon, fly ash after combustion of brown coals, spills after crushing the depleted coal fettling of electrolyzers and detergent "Taiga" taken in the following ratio of components, wt.-%: microsilica, 30.4-31.0; fly ash, 56,3-57.5; spills after crushing the depleted coal fettling of electrolyzers, 8.8-9.0, and detergent "Taiga", 2.7-4.3. Invention provides enhancing strength and resistance to cold, decreasing shrinkage and the roasting point. |
Method of manufacturing products based on silica-containing binder / 2283818 Invention relates to manufacture of a variety of different-destination building products such as bricks, wall blocks, footway materials, face wall and floor tiles as well as various heat-insulation and structural heat-insulation units like slabs, blocks, shells, and segments showing elevated strength and heat-insulation characteristics based on silica-containing binder using non-expensive mineral raw material and production wastes. Method involves preparing silica-containing binder with density 1.1-2.1 g/cc from mixture composed of inorganic bonding material, silica-containing component, and water under vigorous stirring in high-speed mixer at stirring speed 1500-2500 rpm, stirred particle vibration frequency2000-35000 Hz, and heating to 80-90°C followed by cooling at stirring with speed 40-100 rpm for 10-12 h to 15-25°C. Preparation of molding blend is accomplished by blending 9.0-13.5% of silica-containing binder with silica-containing aggregate, homogenizing the blend, and heat treatment of molded products at 400-950°C. When combustible aggregates are used heat treatment is carried out at 90°C. |
Raw mixture and method of producing cellular ceramic materials / 2263087 Raw mixture comprises, in mass%, 8.81-9.37 of micro-silicon dioxide, 50.0-53.3 of ash-priming, 3.12-8.6 of carbon lining, 0.06-0.072 of aluminum powder, 0.02-0.31 of sodium carboxymethyl cellulose, and 33.8-35.07 of water. The method comprises preparing the mixture, molding, swelling by vibration, drying at a temperature of 100°C, and roasting at a temperature 800°C. |
Peat-wood composition for production of heat-insulating building materials / 2273620 The invention is pertaining to the field of production of building materials and may be used at manufacture of plates, blocks, shells for the heat insulation of residential and industrial buildings and the industrial equipment. The peat-wood composition used for manufacture of the heat-insulating building materials contains (in mass %): in the capacity of the binding material - the dispersed low peat - 20.5-28.5, the saw dust as the filler - 61-73, the waterproofing additive - 3.0-5.0 and the foaming agent - 3.5-6.5 at the water-solid ratio of 2.0-2.4. The technical result: production of the water-repellant homogeneous building material with the low density and the low thermal conductivity. |
Raw mix for manufacturing ceramic bricks / 2287504 Invention is aimed at manufacturing ceramic bricks used mainly in construction of residential and industrial buildings. This aim is achieved by adding combustible additive - postalcohol distillery dregs (moisture content 19.2-19.8%) to mix consisted of Cambrian clay and mortar sand having fineness modulus 2-2.5. Resulting mix contains 70-80% Cambrian clay, 10-15% mortar sand, and balancing amount of distillery dregs. |
Light-weight refractory material / 2288901 Invention relates to light-weight heat-insulating refractory materials. Invention relates to the development of corundum-containing light-weight refractory material modified with phosphate ions and molybdenum or tungsten anhydride or a corresponding acid taken in the amount 0.1-1.0% in the following ratio of components, wt.-%: indicated corundum, 83.9-88.8; wheat flour, 2.5-7.5, and technical lignosulfonate, 8.6-8.8. Invention provides enhancing strength, decreasing heat conductivity and roasting temperature of corundum-base light-weight refractory material. |
Method of production of filtering foamceramics / 2304568 For preparation of ceramic slip, use is made of refractory mixture containing the following components, mass-%: fractionated synthetic corundum, 35.2-52.8; finely-dispersed oxidal, 4.0-6.0; kaoline, 0.8-1.2; alumo-chromophosphate binder including metal element contained in refractory filler, 36-54; aqueous acryl emulsion of 45-52-% concentration, 4.0-6.0. Aqueous emulsion is prepared from alumochromophosphate binder and aqueous acryl emulsion; dry mixture of synthetic corundum, oxidal and kaoline is introduced in aqueous suspension; ceramic slip is homogenized. Reservoir with blank made from organic foam is filled with definite amount of ceramic slip depending on thickness of ceramic straps in foamceramic filter; then, impregnation is carried out in mode of cyclic deformation till complete absorption of ceramic slip followed by drying and burning at temperature not below working temperature of foamceramic filters. |
Charge / 2311392 Invention relates to manufacturing ceramic articles that can be used for high-temperature insulation of industrial equipment, pipelines. Proposed charge comprises the following components, wt.-%: diatomite, 40-50; waste from abrasive manufacture, 10-15; graphite, 5-10, magnesite, 30-40. Invention provides enhancing the exploitation temperature of articles made of charge. |
Charge for preparation of lightweight fire resistant material / 2351569 Invention is related to production of lightweight fire-resistant materials used in construction. Charge for preparation of lightweight fire-resistant material contains clay, pitch coke, polystyrene, borax, chamotte, lime and wastes of sulfuric acid production, at the following ratio of components, wt %: clay - 12.0-14.0; pitch coke - 15.0-19.0; polystyrene - 3.0-4.0; borax - 4.0-5.0; lime - 3.0-4.0; wastes of sulfuric acid production - 3.0-4.0; chamotte - the rest. |
Method for production of highly porous cellular glass-ceramic material / 2352544 Invention may be used in chemical industry for production of catalyst carriers and thermal protection elements, in mass exchange processes, etc. Method for production of highly porous cellular glass-ceramic material includes impregnation of polymer matrix (polyurethane foam) with slurry solution, which consists of dispersed phase and dispersed medium with further drying and application of sol on produced stock with further drying and high temperature treatment. At that slurry used is finely crushed glass that contains the following components, wt % SiO2 - 53-70; CaO - 10.3-18.8; MgO - 19.2-28.8; and also over 100%: Na2O - 5.0-7.0; Fe2O3 - 5.0-7.0; Al2O3 -6.0-8.0; Cr2O3 - 0.7-1.5 and 5-7% aqueous solution of polyvinyl alcohol, in ratio of 70:30 (wt % glass powder : PVA). High temperature treatment of polyurethane foam matrix impregnated with slurry includes stages of sintering and crystallisation at the temperature of 800-830°C with delay time of 1.5-3 hours. |
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