Ceramic mass for production of acid-resistant substances |
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IPC classes for russian patent Ceramic mass for production of acid-resistant substances (RU 2250884):
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.
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.
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: production of ceramic materials, mainly acid-resistant agents. SUBSTANCE: 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. EFFECT: enhanced ecological safety; extended field of application. 3 tbl
The invention relates to ceramic materials industry, mainly to AMIS to obtain acid-proof materials. Known ceramic material for acid-proof materials of the following composition, wt.%: Jean-Daurian clay 50, pyrophyllite 50 [1]. The disadvantage of this structure are relatively low mechanical strength in compression, low frost and content in the charge scarce refractory clay. Closest to the invention is a ceramic material for the manufacture of acid-proof materials [2], which includes the following components, wt.%: clay part of the “tails” of gravity zircon-ilmenite ores - 50 pyrophyllite - 40, feldspar concentrate - 10. The disadvantage of the composition of the ceramic material are low resistance and relatively high water absorption. The aim of the invention is to increase the frost resistance and reduced water absorption. The objective is achieved due to the fact that the ceramic material, including clay part of the “tails” of gravity zircon-ilmenite ores and pyrophyllite, further comprises a conveyor overburden gold Deposit in the following ratio, wt.%: clay part of the “tails” of gravity zircon-ilmenite ores 40-60 pyrophyllite 35-45 final Stripping the cities of gold field 5-15 As smoothly used final overburden gold Deposit. The resistance dumping overburden gold Deposit 1180-1250°C, particle size allows you to enter them in the ceramic material without pre-crushing and sieving: bulk density 1400-1450 kg/m3grains larger than 3 mm in the amount of 1-3%, the number of fine particles smaller than 0.1 mm does not exceed 20%. The chemical composition of the components shown in table 1.
Ceramic mass prepared plastic method with moisture 18-22%. Was formed square tile type PC-1, which was dried to a residual moisture content of not more than 5% and then fired at a temperature of 1250°C. table 2 shows the compositions of ceramic masses, and in table 3 - physical and mechanical properties of acid-proof tiles.
As can be seen from table 3, acid resistant tiles of the proposed compositions have higher resistance and lower water absorption than the prototype. SOURCES of INFORMATION 1. Abdrakhimov Y.S., Abdrakhimov the old Testament Kinetics of changes in patterns of porosity in the firing process of acid-proof materials. // Izvestiya vuzov. Construction. - 2000. No. 9. - Ñ.38-41. 2. Abdrakhimov Y.S., Abdrakhimov the old Testament Obtaining acid-resistant materials using waste products. // Building materials. - 2002. No. 2 - P.18-20. Ceramic material for acid-proof materials, including clay part of the “tails” of gravity zircon-ilmenite ores and pyrophyllite, characterized in that, to increase frost resistance and lower water absorption, it includes the additional final overburden gold Deposit in the following ratio, wt. %: Clay part of the “tails” of gravity zircon-ilmenite R is d 40-60 Pyrophyllite 35-45 Final overburden gold Deposit 5-15
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