Ceramic mixture for manufacturing building products |
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IPC classes for russian patent Ceramic mixture for manufacturing building products (RU 2270819):
     
 Ceramic mass / 2270178
Claimed mass contains (mass %) heat treated clay fusible raw materials with completely burned carbon and organic admixtures and wherein pyrite is completely converted to Fe2O3 83-85; carbon-containing refractory clay 8.5-10; and law calcium lignite ash 2.0-5; crushed glass 0.9-1.5; vermiculite expanded 0-1.25-grade sand 1.5-2.0; waste from chalk production containing 48-49 mass % of hydrated lime as plasticizer 0.1-0.5.
Ceramic material and method for its preparing / 2269501
Invention relates to the development of ceramic material for heat regenerative oxidants not subjecting to volume changes during heat cycles. Ceramic material is prepared by using ceramic components that comprise, wt.-%: spodumene, 5-20 by weight, and from 40 to 95 other ceramics-forming components comprising 50-95 of clay and 5-50 of feldspar. Proposed material shows decreased shrinkage in annealing and improved physical properties.
Ceramic material and method for its preparing / 2269501
Invention relates to the development of ceramic material for heat regenerative oxidants not subjecting to volume changes during heat cycles. Ceramic material is prepared by using ceramic components that comprise, wt.-%: spodumene, 5-20 by weight, and from 40 to 95 other ceramics-forming components comprising 50-95 of clay and 5-50 of feldspar. Proposed material shows decreased shrinkage in annealing and improved physical properties.
Method of manufacture of building light-yellow ceramics and its composition / 2266878
Proposed method includes preparation of mineral additive, mixing this additive with clay, plastic molding of articles and burning. Additive is prepared according to slip process by grinding the clarifying component of additive with clay in the amount of 8-10% of mass of clarifying component; grinding is performed in ball mill to residue on sieve 0088 not exceeding 2-3%; then, hardening finely-dispersed component of additive is introduced into suspension. Slip thus obtained has density of 1.70-1.72 g/cm3. Slip is mixed with clay; part of clay is preliminarily dried to moisture content of 6-8%. Ceramic mass thus obtained is subjected to homogenization and aging for at least 24 h; burning is performed at temperature of 1020-1030°C. Marl at size of particles lesser than 2 mm and content of limestone no less than 75 mass-% is used as clarifying component and wollastonite concentrate at size of particles lesser than 0.063 mm and content of wollastonite no less than 80 mass-% is used as hardening finely-dispersed component.
Method of manufacture of wall ceramic articles / 2266267
Proposed method includes grinding of clay component, introduction of foam glass grits at size of grains of 0.1-5.0 mm preliminarily treated with water-repellent agent till obtaining of smooth surface, moistening and plasticizing, molding blanks by semi-dry method, drying and burning. Molding mass contains components at the following ratio, mass-%: water-repellent foam glass grits, 5-70; the remainder being clay component. Amount of water-repellent agent ranges from 0.1 to 10% of mass of grits. Molding of blanks by semi-dry molding method is performed at specific pressure of 4 Mpa. Waterproofed grits may be of egg-shaped or spherical form.
Method of manufacture of wall ceramic articles / 2266267
Proposed method includes grinding of clay component, introduction of foam glass grits at size of grains of 0.1-5.0 mm preliminarily treated with water-repellent agent till obtaining of smooth surface, moistening and plasticizing, molding blanks by semi-dry method, drying and burning. Molding mass contains components at the following ratio, mass-%: water-repellent foam glass grits, 5-70; the remainder being clay component. Amount of water-repellent agent ranges from 0.1 to 10% of mass of grits. Molding of blanks by semi-dry molding method is performed at specific pressure of 4 Mpa. Waterproofed grits may be of egg-shaped or spherical form.
Method of improvement of clay raw molding and drying properties / 2264364
The invention is pertaining to production of ceramic materials on the basis of clay raw and may be used, for example, for manufacture of an ordinary and facial building bricks, tiles, lining ceramic tiles, etc. The technical result is improvement of the molding properties of a ceramic mass and so increasing of the raw bricks crack resistance at drying, provision of a capability of a faultless self-acting charging and transportations of the dried semi-product. The method of improvement of molding and drying properties of the clay raw provides for addition of a technological mineral additive representing a rock consisting predominantly from minerals with the developed skeleton- cavernous porosity, drying at the temperature of 200-250°C within 2-4 hours for opening of a porous space, a comminution up to the dimensions less than 1 mm, a uniform distribution along the mass volume with the subsequent souring of the ceramic mass at the temperature of 30-40°C for no less than 24 hours.
 Method of preparing propping agent to perform hydraulic fracturing of formation / 2261847
In a method of preparing propping agent including grinding, hydration, molding, drying, and calcinations of raw material, the latter is natural bentonite clay containing more than 90% montmorillonite, molding of spherical granules of propping agent 200 to 400 μm and 420 to 850 μm in size involves spray drying technique and molding of granules more than 850 μm in size is accomplished using beading process, and calcinations is carried out at 600-650°C. Method is applicable for use in intensification of oil and gas inflow from producing beds.
 Ceramic mass / 2259972
Invention relates to the composition of ceramic mass. Ceramic mass comprises light-melting clay raw, ground blast furnace ferromanganese granulated slag as a waste after cast iron smelting with the maximal size of particles 1.25 mm of the following composition, wt.-%: SiO2, 33-39; CaO, 39-42; MgO, 7-10; Al2O3, 7-10; MnO, 4-8; FeO, 0.2-0.3; S, 2.4-2.7, and the ground depleted iron-containing catalyst as a waste in manufacturing ammonia, being these components are taken in the following ratio, wt.-%: light-melting clay raw, 80-90; indicated blast furnace ferromanganese slag, 9.85-19.9, and indicated depleted iron-containing catalyst, 0.1-0.15. Invention can be used in manufacturing wall ceramics (slotted stones, among them building bricks). The proposed invention provides enhancing the compression strength, crack-resistance values in drying and improving the architecture image due to elimination of granules (tubercles) of granulated slag projecting on their surface and elimination of gray-green-like tint on color surface of articles.
Raw mixture for making facing ceramic tile / 2258684
Invention relates to manufacturing building ceramics and can be used in making facing tiles. The raw mixture for making facing ceramic tile comprises carbon enrichment rock treated at 570-600°C, clay and slurry fraction in enrichment waste of iron ores as a fusing agent that comprises the following components, wt.-%: SiO2, 42.45; Al2O3, 14.54; CaO, 14.88; MgO, 4.52; FeO, 8.06; Fe2O3, 9.46; SO3, 0.98; R2O, 3.25; MnO, 0.49; TiO2, 0.73, and P2O5, 0,64 in the following ratio of components, wt.-%: carbon enrichment rock treated at 570-600°C, 70-90; clay, 5-20, and slurry fraction in iron ores enrichment, 5-10. Invention provides reducing shrinkage deformations, water absorption of tile and energy consumption in its manufacturing.
Integrated high-temperature heat-retention material "itom" and a method for manufacture thereof / 2246465
Invention concerns manufacture of articles for heat-retention of furnace units and power equipment operated at surface temperatures up to 1100°C. Invention provides charge mixture containing, wt %: swollen vermiculite 20-60, refractory clay or kaolin 37-55, electrofilter dust 1-20, chamotte fraction below 0.063 mm 1-30, and structure-forming polyelectrolyte 3-5 (above 100%). Charge is moistened to form mass, which is aged in closed space for at least 24 h, molded into crude article, dried to residual moisture at most 5%, and fired at 1000-1100°C. Aforesaid polyelectrolyte is characterized by having carboxyl, amide, nitrile, and ester groups in polymer molecule.
Ceramic mixture for manufacturing wall materials / 2250205
Ceramic mixture comprises 70-=90% clay and 10-30% cobalt concentration tails characterized by bulk density 900 kg/m3, density 2700 kg/m3, fire resistance 1200°C, mineralogic composition including orthoclase, quartz, carbonates, clay minerals, and ferrous compounds, and following chemical analysis, wt %: SiO2 32.72, Al2O3 9.33, Fe2O3 10.00, CaO 15.47, MgO 12.01, R2O 2.30, and calcination loss 17.80.
Ceramic mass for production of acid-resistant substances / 2250884
Ceramic mass has the following composition, mass-%: clay portion of tailings of gravitation of zirconium-ilmenite ores, 40-60; pyrophyllite, 35-45 and dump overburden rock of gold field, 5-15. Ceramic mass thus prepared makes it possible to obtain acid-resistant agents possessing high frost resistance and low water absorption.
Raw mixture for making facing ceramic tile / 2258684
Invention relates to manufacturing building ceramics and can be used in making facing tiles. The raw mixture for making facing ceramic tile comprises carbon enrichment rock treated at 570-600°C, clay and slurry fraction in enrichment waste of iron ores as a fusing agent that comprises the following components, wt.-%: SiO2, 42.45; Al2O3, 14.54; CaO, 14.88; MgO, 4.52; FeO, 8.06; Fe2O3, 9.46; SO3, 0.98; R2O, 3.25; MnO, 0.49; TiO2, 0.73, and P2O5, 0,64 in the following ratio of components, wt.-%: carbon enrichment rock treated at 570-600°C, 70-90; clay, 5-20, and slurry fraction in iron ores enrichment, 5-10. Invention provides reducing shrinkage deformations, water absorption of tile and energy consumption in its manufacturing.
Ceramic mass / 2259972
Invention relates to the composition of ceramic mass. Ceramic mass comprises light-melting clay raw, ground blast furnace ferromanganese granulated slag as a waste after cast iron smelting with the maximal size of particles 1.25 mm of the following composition, wt.-%: SiO2, 33-39; CaO, 39-42; MgO, 7-10; Al2O3, 7-10; MnO, 4-8; FeO, 0.2-0.3; S, 2.4-2.7, and the ground depleted iron-containing catalyst as a waste in manufacturing ammonia, being these components are taken in the following ratio, wt.-%: light-melting clay raw, 80-90; indicated blast furnace ferromanganese slag, 9.85-19.9, and indicated depleted iron-containing catalyst, 0.1-0.15. Invention can be used in manufacturing wall ceramics (slotted stones, among them building bricks). The proposed invention provides enhancing the compression strength, crack-resistance values in drying and improving the architecture image due to elimination of granules (tubercles) of granulated slag projecting on their surface and elimination of gray-green-like tint on color surface of articles.
Method of preparing propping agent to perform hydraulic fracturing of formation / 2261847
In a method of preparing propping agent including grinding, hydration, molding, drying, and calcinations of raw material, the latter is natural bentonite clay containing more than 90% montmorillonite, molding of spherical granules of propping agent 200 to 400 μm and 420 to 850 μm in size involves spray drying technique and molding of granules more than 850 μm in size is accomplished using beading process, and calcinations is carried out at 600-650°C. Method is applicable for use in intensification of oil and gas inflow from producing beds.
Method of improvement of clay raw molding and drying properties / 2264364
The invention is pertaining to production of ceramic materials on the basis of clay raw and may be used, for example, for manufacture of an ordinary and facial building bricks, tiles, lining ceramic tiles, etc. The technical result is improvement of the molding properties of a ceramic mass and so increasing of the raw bricks crack resistance at drying, provision of a capability of a faultless self-acting charging and transportations of the dried semi-product. The method of improvement of molding and drying properties of the clay raw provides for addition of a technological mineral additive representing a rock consisting predominantly from minerals with the developed skeleton- cavernous porosity, drying at the temperature of 200-250°C within 2-4 hours for opening of a porous space, a comminution up to the dimensions less than 1 mm, a uniform distribution along the mass volume with the subsequent souring of the ceramic mass at the temperature of 30-40°C for no less than 24 hours.
Method of manufacture of wall ceramic articles / 2266267
Proposed method includes grinding of clay component, introduction of foam glass grits at size of grains of 0.1-5.0 mm preliminarily treated with water-repellent agent till obtaining of smooth surface, moistening and plasticizing, molding blanks by semi-dry method, drying and burning. Molding mass contains components at the following ratio, mass-%: water-repellent foam glass grits, 5-70; the remainder being clay component. Amount of water-repellent agent ranges from 0.1 to 10% of mass of grits. Molding of blanks by semi-dry molding method is performed at specific pressure of 4 Mpa. Waterproofed grits may be of egg-shaped or spherical form.
Method of manufacture of wall ceramic articles / 2266267
Proposed method includes grinding of clay component, introduction of foam glass grits at size of grains of 0.1-5.0 mm preliminarily treated with water-repellent agent till obtaining of smooth surface, moistening and plasticizing, molding blanks by semi-dry method, drying and burning. Molding mass contains components at the following ratio, mass-%: water-repellent foam glass grits, 5-70; the remainder being clay component. Amount of water-repellent agent ranges from 0.1 to 10% of mass of grits. Molding of blanks by semi-dry molding method is performed at specific pressure of 4 Mpa. Waterproofed grits may be of egg-shaped or spherical form.
Method of manufacture of building light-yellow ceramics and its composition / 2266878
Proposed method includes preparation of mineral additive, mixing this additive with clay, plastic molding of articles and burning. Additive is prepared according to slip process by grinding the clarifying component of additive with clay in the amount of 8-10% of mass of clarifying component; grinding is performed in ball mill to residue on sieve 0088 not exceeding 2-3%; then, hardening finely-dispersed component of additive is introduced into suspension. Slip thus obtained has density of 1.70-1.72 g/cm3. Slip is mixed with clay; part of clay is preliminarily dried to moisture content of 6-8%. Ceramic mass thus obtained is subjected to homogenization and aging for at least 24 h; burning is performed at temperature of 1020-1030°C. Marl at size of particles lesser than 2 mm and content of limestone no less than 75 mass-% is used as clarifying component and wollastonite concentrate at size of particles lesser than 0.063 mm and content of wollastonite no less than 80 mass-% is used as hardening finely-dispersed component.
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FIELD: manufacture of building materials. SUBSTANCE: invention relates to manufacture of light cream to cream-colored face ceramic bricks and stones as well as tiles and other products from light-burnt clays. Ceramic mixture is made up of clay component and additive, the former being kaolinite-hydromica clay and the latter sodium methylsiliconate of following general formula:
EFFECT: increased strength and frost resistance of products. 2 tbl
The invention relates to the production of building materials and can be used in the manufacture of facing ceramic bricks and stones, and tiles, and other products from light cream to cream flowers from svetlozhgushchihsja clay. Known ceramic material for the manufacture of construction products (A.S. No. 1606495, CL 04 In 33/00), including, wt.%: fusible clay, 29,5...94,0; limestone - 2,5...35,0; quartz sand - 2,5...35,0; sodium chloride - 0,5...1,0. However, this composition is characterized by low resistance to 25 cycles and the formation of efflorescence on the front surface of the brick during operation due to the presence in the composition of the mass of sodium chloride. Closest to the technical essence and the achieved quality of finished products is the raw mix for the production of wall ceramics (A.S. No. 1511242, CL 04 In 33/00), including the following raw materials, wt.%: as the clay component: fusible silty clay, 79,4...86,8 and kaolinite-montmorillonite clay content of clay fraction more than 40% - 5...10; surfactant additive is a polycondensation product of naphthalene-sulfonic acids and formaldehyde - 0,2...0,6 and sawdust - 8...10 adopted for the prototype. While the compressive strength of this raw mix is to 28.3 MPa after annealing at t=920°and frost pillar is t 65 cycles that does not ensure receipt of facing ceramic bricks high marks and, in addition, has the complexity of the charge composition (fusible silty clay + kaolinite-montmorillonite clay content of clay fraction more than 40%), which significantly complicates the process of manufacture of a ceramic brick. The purpose of the invention is the improvement of the strength, frost resistance and accordingly the quality of the finished products. This is achieved in that a new composition comprising a clay component and a Supplement that contains as the clay component - kaolinite-hydrologist clay, and as an additive - potassium methyl siliconate. Additionally, the mixture contains cullet (deletestream the flux) and chalk (alkaline earth component). The proposed charge is characterized by the following composition, wt.%:
Use kaolinite-hydrologists clay mixed with broken glass, chalk and the addition of potassium methyl siliconate can improve not only the mechanical properties, frost products and simplify charge the composition, but even more to improve the quality of finished products. Characterization of raw materials: 1. Kaolinite-hydrologica clay is characterized by: - chemical composition, wt.%: SiO2- 59,20; Al2About3- 22,70; Fe2O3- 1,45; CaO - 0,85; MgO - 0,41; TiO2- 1,40;2On - 0,58; Na2O - 0,19; PPP - 10,41; - granulometric composition, wt.%: the clay fraction (less than 0.005 mm) - 49,94; silt fraction (0,005-0,05) - of 36.76 and sand fraction (more than 0.05) - 13,30. 2. Chalk contains, wt%: Caso3- 92,3 and PPP - 41,95. 3. Construction cullet includes, wt.%: SiO2- 70,39; Al2O3- 2,74; Fe2O3- 1,06; CaO - Of 5.89; MgO - 14,15; K2O - 0,86; TiO2- 0,60; SO3- 0,33; PPP to 0.15. 4. Additive - potassium methyl siliconate has the following structural formula:
where n=11. Additive refers to oligomeric ethyl esters of orthosilicic acid and is anionic substance. Additive - potassium methyl siliconate - simultaneously performs the role of a plasticizer and dispersant clay particles. Thanks to its structure and dimensions of chain molecules (flat short chain with a transverse size of about 30×5×2 And°) this additive has the most penetrating and stabilizing ability in comparison with surfactant additives is the polycondensation product of naphthalene-su is facility and formaldehyde and the more technical lignin. Maximum dispersion effect is observed with the introduction of the additive - siliconate sodium kaolinite-hydrologist clay, and the lowest in montmorillonite-hydrologist clay. Example. For the manufacture of the samples was used kaolinite-hydrologica clay, as well as additional components chalk, broken glass and an aqueous solution of potassium methyl siliconate. Preparation of ceramic mixture was carried out joint wet grinding of raw materials in a porcelain ball mill. From the obtained slurry humidity of 50% were produced press the powder tower in the spray dryer. Press powder with humidity 5...6% formulalist samples cylinders with a diameter and height of 5 cm by pressing under a pressure of 20...25 MPa in a hydraulic press. Then the samples were dried and subjected to calcination in a muffle furnace with exposure at a maximum temperature of 950°within 1 hour. The invention is illustrated by specific ceramic compositions of the blends shown in table 1, and properties of the resulting products are presented in table 2. 4
Ceramic composition for the manufacture of construction products, including clay component and an additive, characterized in that, in order to increase the strength and hardiness, contains as the clay component kaolinite-hydrologist clay, and as an additive - potassium methyl siliconate track the overall structural formula:
where n=11, additionally, the mixture contains broken glass and chalk and is characterized by the following composition, wt.%:
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