RussianPatents.com
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Artificial rock. RU patent 2452707. |
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FIELD: construction. SUBSTANCE: artificial rock contains the following components, wt %: cement 12-15, quartz sand 25.4-30.2, ferrous oxide 1-1.5; ferrous hydroxide 1-1.5; quicklime 12-15, aluminium powder 0.1-0.3 and water heated to the temperature of 90-98°C, 40-45. EFFECT: production of strong and ecologically safe artificial rock. 1 tbl
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Method to produce glass ceramic cellular materials / 2451000 Method to manufacture glass ceramic cellular materials includes slurry preparation of a charge with introduction of a silicon carbide in it, charge dehydration with subsequent formation of stocks, drying of stocks, speed burning, sintering of stocks to form a single bar, heating of the bar prior to completion of the foaming process, subsequent cooling of the single foamed bar, its separation into blocks of the preset size, baking of blocks. The quantity of silcon carbide or wastes of items processing containing at least 25% SiC introduced into the charge makes 0.1-5.0%. Stocks are pressed with thickness from 10 to 60 mm, the lower and the side surfaces of dried stocks prior to baking are coated with a refractory engobe, and the foamed bar separation into blocks is carried out along the surfaces of the stocks plastering. |
Raw mix to make gas concrete / 2450999 Raw mix to make gas concrete includes the following components, wt parts: portland cement 140-150, lime 140-150, quartz sand 430-440, gypsum 4-4.5, aluminium powder 2-2.2, water 480 - 500; synthetic fibre cut into sections of 5-25 mm 10-15. Synthetic fibre may be profiled. |
Crude mixture and method of producing said mixture for nanostructured autoclave foamed concrete / 2448929 Invention relates to the industry of construction materials and can be used to produce heat insulation and structural-heat insulating autoclaved concrete for various purposes. In the method of producing a crude mixture for nanostructured autoclave foamed concrete, involving production of lime-silica binding material, subsequent mixing of the obtained lime-silica binding material, gypsum, a finely ground silica-containing component and a suspension of aluminium paste or powder in a mixer, the lime-silica binding material is obtained through combined dry milling of unslaked lime and quartz sand to specific surface area of 9000 cm2/g, and the finely ground silica-containing component is prepared by wet milling quartz sand to obtain a highly concentrated suspension with moisture content of 12-20% and content of particles smaller than 5 mcm of 30-50%, and subsequent dilution of the obtained suspension with water to density 1.75-1.80 kg/l, with the following ratio of components, wt %: said suspension (on dry substance) 62.5-72.5, said lime-silica binding material, with the following ratio of components, wt %: unslaked lime 75-85 and quartz sand 15-25, 25-35, gypsum 1.5-2.5, aluminium paste or powder 0.05-0.1, water to density 1.75-1.80 kg/l. The crude mixture for nanostructured autoclave foamed concrete is obtained using the method described above. |
Method of producing cellular concrete mix and device to this end / 2447041 Set of inventions relates to production of construction materials and may be used in producing cellular concrete mix. Proposed method includes loading the following components: binding materials, filler, water, gas-forming agent, their mixing in mixer and measuring mix viscosity in mixing. Water is divided into two parts, one making, at least, 90% of total weight. First part of water is used in loading cellular concrete components. Required mix viscosity is set at the moment of loading gas-forming agent and compared with measured viscosity to get differential signal. Time of starting mixing is set after which permission is generated for transmission of differential signal to regulator input for conversion and further transmission to additional dispenser to meter out second portion of water into mixer and required mix viscosity is set at the moment of loading gas-forming agent. |
Charge material for production of nonshrinking, porous, flameproof heat insulating material / 2442761 Invention refers to the field of building and metallurgy. The charge material for production of porous, nonshrinking, flameproof heat insulating material includes, weight %: aluminum 5,0-5,5, periclase 15,0-28,0, high-alumina cement no more than 6,5, densifier 1,0-2,0, electrocorundum no more than 100 and a phosphate binder in the amount of 47-82 % over 100 from the mentioned mixture of the powdered components, as electrocorundum - a mixture of powders of different grades with the fraction content of the powders, weight %: grade F280 with the average grain size dav=30-40 µm - 18-25; grade F150 dav=80-100 µm - 13-15; grade F80 dav=160-200 µm - 22-25; grade F54 dav=300-400 µm - 7-10; periclase in the powder form of PPTI-92 grade with continuous particle-size distribution with the screening residue 05 of no more than 15 %, as a densifier - mortar of molten periclase-chromite of MPHV grade, as a binder - alumina-borophosohate or aluminophosphate. Fine-grain powder with a spherical shape of grains is used as aluminum with the maximum size of the particles that does not exceed 50 µm in diameter. |
Raw mix for aerated concrete production / 2432346 Raw mix contains, wt %: caustic soda 2.3-2.8, ground haydite 7.28-7.3, hemihydrate of calcium sulfate 2.07-2.1, sodium liquid glass 3.9-3.92, aluminium powder 0.05-0.14, haydite gravel 35.48-35.5, water 18.4-18.43, ground glass - balance. |
Method of producing porous ceramic material with high heat resistance / 2423334 Invention relates to production of porous ceramic material primarily for heat insulation. The method of producing porous ceramic material comprises the following steps: preparing a first composition in form of a stable aqueous colloidal solution of silicon oxide and alkali metal oxides, preparing a second stable composition in form of a suspension of inorganic and/or organic particles in an organic liquid, the second composition containing compounds which, when the second composition is mixed with the first composition, may destabilise the first composition, thereby forming a gel, and may form an organic polymer mesh with a blowing agent, mixing the first and second compositions to obtain a mixture, obtaining a porous structure in form of a gel from the mixture, where the organic structure supports the formed inorganic structure, hardening the porous structure in form of a gel to obtain a porous ceramic material in which the organic polymer mesh surrounds the inorganic part. The porous ceramic material is obtained using the method given above. The invention is developed in subclaims. |
Crude mixture for producing cellular materials and preparation method thereof / 2422408 Invention relates to the industry of construction materials, and specifically to compositions and methods of producing heat insulating cellular materials. The crude mixture for producing cellular materials contains the following in wt %: portland cement 500 40-45, aggregate - ground expanded clay with particle size 0-5 mm or quartz sand with Mgr 1.8-2.0 32, foaming agent PB-2000 2, polymer fibre with diameter 20-50 mcm and length 3-18 mm or basalt fibre with diameter 13-17 mcm and length 6-12 mm 3-10, super-plasticiser Sika ViscoCrete-3 0.2, multilayer carbon nanotubes with diameter 8-40 nm and length 2-50 mcm 0.4, water - the rest. The method of preparing said crude mixture involves pretreatment of the said super-plasticiser with water and said nanotubes for 30-60 seconds in an ultrasonic dispersion machine with frequency 20 kHz, mixing the obtained suspension with portland cement 500, aggregate, foaming agent PB-2000 and fibre for 5-6 minutes in a mixer. |
Gas-forming additive for producing foamed concrete vulcan / 2422394 Invention relates to production of construction materials and specifically to blowing agents and can be used in production of foamed concrete. The gas-forming additive for producing foamed concrete is powder based on aluminium powder and microsilica, wherein 10-60% of the aluminium powder has specific surface area of 6000 - 12000 cm2/g, and microsilica with a regular spherical shape has size of approximately 0.1 mcm, with its content equal to 1-5%. |
Composition of mixture to produce porous concrete / 2416588 Raw mix for production of porous concrete contains the following components, wt %: carbon clusters of fulleroid type 0.0001-0.1; portland cement 40.0-75.0; plasticiser 0.1-1.0; a cellulating agent 1.0-10.0; sodium or potassium chloride 0.01-5.0; sulfated aluminate or alumoferrite cement 0.1-20.0; caproic fibre 0.1-15.0; water - balance. |
Cement wood mixture / 2452706 Cement wood contains the following components, wt %: cement 30-35; hogged chips 63.06-67.68; gypsum 0.5-1; carboxymethylcellulose 0.02-0.04, superplasticiser S-3 0.9-1.3; at water-cement ratio of 0.7-0.9. |
Method of aligning metallic dispersion-reinforcement elements in concrete / 2451647 Method relates to portland cement-based concrete with metal reinforcement, and specifically in form of dispersion-reinforcement elements. The method of aligning metallic dispersion-reinforcement elements in concrete involves preparing concrete, adding metallic dispersion-reinforcement elements and pouring the concrete mixture into a vibration mould. An aggregate with fineness modulus 1, 1.5, 2 is added to the concrete. Dispersion-reinforcement elements with diameter 1-2 mm and length 30-60 mm is added while mixing constantly. The obtained mixture is then poured into a vibration mould and simultaneously exposed to vibration and an electromagnetic field with induction 0.12-0.36 T. |
Composition to manufacture heat insulation material / 2450993 Composition for manufacturing of a heat insulation material contains the following components, wt %: - 30-50% sodium liquid glass with a silicate module 3-4.5 -71-77, a hardener - a sodium hexafluorosilicate and/or hexafluorotitanate 8.5-9.1, a foaming component - a trietanol ammonium salt or a sodium salt of lauryl sulfate 0.9-1.2, a filler - asbestos-chrysotile or polypropylene fibre, or a chopped basalt fibre, or their mixtures at any ratio of components 2.4-3.4, water - balance. |
Filler / 2450992 Filler contains the following components, wt %: carbonyl clay 30.0-70.0, clay, which has been previously burnt to sintering and ground to specific surface of 2000-5000 cm2/g, 30.0-70.0. |
Crude mixture for making silicate bricks with plasma-molten brick face / 2449964 Invention relates to production of construction materials. The crude mixture for making silicate bricks with plasma-molten brick face, containing quartz sand, ground unslaked lime, contains galvanic sludge which is a product of treatment and neutralisation of waste water from electroplating facilities, characterised by the following average chemical composition, wt %: SiO2 10.78; Al2O3 2.73; Fe2O3 12.9; FeO 0.33; TiO2 0.21; Cr2O3 1.08; NiO 0.46; CuO 7.09; ZnO 1.42; CaO 27.85; MgO 2.12; SO3 1.75; K2O 0.88; Na2O 2.18; LOI 28.22, with the following ratio of components, wt %: quartz sand 55-67, ground unslaked lime 10-15, said galvanic sludge 23-30. |
Crude mixture for making silicate bricks / 2449963 Invention relates to production of construction materials. The crude mixture for making silicate bricks contains the following, wt %: marshalite 85-95; ground unslaked lime 5-15. |
Crude mixture for gypsum boards / 2449962 Invention relates to production of construction materials based on gypsum binder. The crude mixture making gypsum boards contains the following, pts.wt: water 700 - 730, waste paper 25 - 30, phosphogypsum 83 - 87, urea-formaldehyde resin 2.5 - 3, starch 1 - 1.5, glass ground to specific surface area 4000 - 5000 cm2/g 3-5, capron fibre cut to 3-15 mm pieces 0.2 - 0.4. |
Method of modifying and granulating sulphur / 2448925 Invention relates to a method of modifying and granulating sulphur and can be used in the industry of construction materials when producing binding materials. Method of modifying and granulating sulphur involves loading gaseous granulated sulphur and mineral filler into the hot mixer of a two-step mixer-granulator, mixing while heating to 135-150°C, then loading pinene modifier, mixing to paste-like mass, moving said mass into the cooled mixer of said mixer-granulator, where granulation is carried out while cooling the granules, with the following ratio of components of the mixture, wt %: gaseous granulated sulphur 40-70, said modifier 0.05-1, mineral powder - the rest. The invention is developed in subclaims. |
Sulphur concrete composition / 2448924 Invention relates to the industry of construction materials and can be used in building underground structures - piles, foundations, supporting walls, enclosing structures of tunnels, roofing articles; road surface edge stones, paving slabs, overflow launders, as well as slabs, flooring, ledger boards, beams, trusses, arches, frames, decorative and art articles - monument and bas-reliefs. The sulphur concrete composition contains binder - elementary sulphur and a modifier, as well as an aggregate based on sludge from municipal water treatment facilities, which is first annealed at temperature 200°C and ground to particle size smaller than 0.15 mm, and the modifier is aluminium oxide powder with particle size 64-73 nm, with the following ratio of components (wt %): elementary sulphur 20-60, aluminium oxide 1.2-2.2, said sludge from municipal water treatment facilities 38.2-77.8. |
Plaster gypsum dry construction mixture / 2448923 Invention relates to the industry of construction materials and can be used in production of plaster gypsum dry construction mixtures for interior finishing of buildings for different purposes, including high-humidity facilities. The plaster gypsum dry construction mixture contains the following, wt %: gypsum plaster 75.95 - 88.44, construction lime 3-5, ceramsite dust 5 - 20, polyethylene oxide 1.0 -1.5, citric acid 0.039 - 0.041, starch ether 0.011 - 0.02. |
Cement wood mixture / 2452706 Cement wood contains the following components, wt %: cement 30-35; hogged chips 63.06-67.68; gypsum 0.5-1; carboxymethylcellulose 0.02-0.04, superplasticiser S-3 0.9-1.3; at water-cement ratio of 0.7-0.9. |
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