Charge for production of porous filler
SUBSTANCE: charge for production of a porous filler contains, wt %: montmorillonite clay ground to powder condition 85.0-90.0, glauconite ground to powder condition 10.0-15.0.
EFFECT: increased strength of a porous filler produced from charge.
The invention relates to the production of porous aggregates for concrete.
Known mixture for the production of porous filler containing, wt.%: clay montmorillonite 35,0-38,0; coal 5,0-6,0; dolomite 36,0-50,0 .
The objective of the invention is to increase the strength of the porous filler, obtained from charge.
The technical result is achieved in that the mixture for the production of porous aggregates containing montmorillonite clay, additionally contains glauconite in the following ratio, wt.%: ground to a powder, montmorillonite clay 85,0-90,0; milled to a powder, glauconite 10,0-15,0.
The table below shows the composition of the mixture for the production of porous aggregates.
|Ground to a powder, montmorillonite clay||90,0||of 87.0||85,0|
|Ground to a powder, glauconite||10,0||13,0||15,0|
|Compressive strength, MPa||3-4||3-4||3-4|
In the blend for the production of porous filler use of montmorillonite clay, including Al-montmorillonite and Fe-montmorillonite (nontronite).
Components of the raw material mixture is metered in the desired quantities, separately grind to a powder (full pass through mesh No. 063) and mix. The resulting mixture is moistened to 18-24% and molded from the pellets of size 20-40 mm, which are dried to a moisture content of not more than 6% and calcined at a temperature of 1080-1100°C.
Sources of information
1. SU 1161500, SW 31/00, 1985.
The mixture for the production of porous aggregates containing clay montmorillonite, characterized in that it further contains glauconite in the following ratio, wt.%:
|ground to powder|
|condition the clay montmorillonite||85,0 to 90.0|
|powder Glauco is it||10,0-15,0|
SUBSTANCE: concrete mixture contains, wt %: portland cement 24.0-26.0, expanded clay with particle size of 20-40 mm 10.0-15.0, haydite sand 41.4-47.1, superplasticiser S-3 1.0-1.5, sodium ethyl siliconate or sodium methyl siliconate 1.0-1.5, lavsan fibre cut into 10-20 mm pieces 0.1-0.15, water 15.0-17.0.
EFFECT: high strength of articles made from the concrete mixture.
SUBSTANCE: concrete mixture, which includes portland cement, expanded clay, haydite sand, water, further contains asbestos of 6-7 types, which is fluffed up in advance, gypsum binder, sodium methyl siliconate or sodium ethyl siliconate, with the following ratio of components, wt %: portland cement 26.0-30.0; expanded clay with particle size of 20-40 mm 46.0-48.0; haydite sand 5.0-8.5; asbestos of 6-7 types, which is fluffed up in advance, 0.5-1.0; gypsum binder 0.5-1.0; sodium methyl siliconate or sodium ethyl siliconate1.0-1.5; water 15.0-17.0.
EFFECT: high strength.
SUBSTANCE: concrete mixture contains, wt %: portland cement 18.87-21.34, expanded clay 41.13-41.56, superplasticiser LSTM 0.0312, thermal power plant fly ash 13.92-18.87, gas-forming additive PAK-3 0.022-0.025, iron-containing sludge - chemical production waste 0.10-0.50, water - the balance.
EFFECT: obtaining concrete with higher strength and low density.
SUBSTANCE: charge for production of a porous filler comprises, wt %: montmorillonite clay 82.0-86.0, ground schungite sifted via a net with hole size of 2.5 mm 8.0-10.0, ground wollastonite sifted via a net with a hole size of 2.5 mm 6.0-8.0.
EFFECT: increased strength of a porous filler produced from charge.
SUBSTANCE: invention relates to the production of building materials and products, in particular to wall ceramic products, and can be applied in the production of ceramic bricks and stones. A ceramic mass includes easily fusible clay and carbonate-silicon zeolite-containing rock of a mixed mineral composition and flotation wastes of coal washing - coal slurries, and carbonate-silicon zeolite-containing rock is applied with a degree of milling less than 1 mm, with the following component ratio, wt %: easily fusible clay - 60-75; carbonate-silicon zeolite-containing rock - 20-25; flotation wastes of coal washing - 5-15.
EFFECT: reduction of an average density and heat conductivity, increase of the product durability and reduction of expenditures for burning.
1 ex, 4 tbl
SUBSTANCE: method for producing lightweight ceramic heat-insulating building material, comprising mixture of pre-treated silica-containing component and alkaline component, homogenization of raw mixture, drying of the granulated raw mixture, grinding of dried granules and firing in metal moulds. At that, the preliminary treatment of silica-containing component is carried out at stone-separating rolls in order to remove strong impurities and activate the silicon dioxide, in the drying apparatus to achieve the humidity of 19-25% and in grinding device in order to achieve the maximum particle size of 1 mm. Diatomite o tripoli and/or flask, containing the active silicon dioxide is used as silica-containing component, mixture of caustic soda and soda ash in the ratio of 0.5-0.8/1 is used as alkali component. Mixing of silica-containing component and alkaline component is carried out in the mixer of periodic action, providing the content of mass fraction in dry raw mixture of caustic soda of 6-14% and soda ash of 6-15%. Homogenization of raw mixture is carried out by treatment in strew press with filtering grid with size of cells of 8-25 mm, and drying of granular raw material mixture is carried out in dryer drum until the humidity of 5-7% is achieved. Grinding of dried granules is performed until the achievement of maximum particle size of 3 mm, and firing of silicate mixture, obtained as a result of grinding, is carried out in metal moulds in oven by raising the temperature up to 650°C with speed of 100-120°C/hour, and up to maximum of 680-800°C - with speed of 15-25°C/hour with subsequent isothermal exposure at maximum temperature during 1-3 hours, cooling from the maximum temperature up to 600°C is carried out with speed of 30-50°C/hour and from 600 to 50°C - with speed of 50-60°C/hour.
EFFECT: reduction of energy costs and improvement of hygienic and sanitary conditions of production.
4 cl, 5 ex, 3 tbl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to production of construction materials, particularly, expanded-clay concrete to be used for production of reinforced concrete articles for building blocks. Proposed method comprises activation of 70% of tempering water by quick-action Portland cement and plasticising additive UP-4 in concrete mixer at 15 rpm for 1 min to get homogeneous suspension. Tempering water remainder is mixed with crushed haydite gravel, haydite and quartz sand with pre-activated tempering water for 0.5 minutes. Obtained haydite mix is subjected to two-step heat treatment at 60°C in summer for 5 hours, in winter for 8 hours. Then, it is treated in secondary heat treatment chamber at 40°C for 4 hours.
EFFECT: better placeability, higher strength, accelerated production.
SUBSTANCE: composition of a haydite-concrete mixture includes, wt %: portland cement 18.87-21.34, haydite 41.13-41.56, superplasticiser LSTM 0.0312, fly ash of TPP 13.92-18.87, gasifying additive PAK-3 0.022-0.025, water - balance.
EFFECT: production of haydite concrete with higher strength and reduced density.
SUBSTANCE: swollen perlite is used, which is first saturated with water, water that is not retained by a swollen perlite granule is filtered, the water-saturated perlite is mixed with gypsum, the produced mix is supplied into a die mould for further pressing, and pressed at 10 MPa at least.
EFFECT: increased strength of a finished product with increased time of mortar hardening.
SUBSTANCE: raw mix for making foam concrete includes, wt %: portland cement 35.0-37.0, foaming agent PB-2000 0.25-0.35, TPP ash 10.65-13.25, crushed foam glass of fraction 5-10 mm 20.0-25.0, mineral wool ground and sifted through sieve No. 2.5 1.0-1.5, haydite sand 5.0-7.0, water 21.0-23.0.
EFFECT: higher heat resistance of foam concrete produced from raw mix.
SUBSTANCE: invention relates to an ink set containing chromophoric metals for digital printing on ceramic materials. The ink set comprises liquid colouring compositions (A), (B), (C) and one from (D) and (E). The (A) comprises at least a compound of cobalt. The (B) comprises at least a compound of iron. The (C) comprises at least a compound of a metal selected from chromium, nickel and their mixtures. The (D) comprises at least a compound of cobalt and at least a compound of iron. The (E) comprises one or more compounds of zirconium. The said metal compounds decompose at a temperature of from 500 to 1300°C. When interacting with the ceramic material the metal compounds of compositions (A)-(D) form colured oxides or colured compounds. The compounds of zirconium from the composition (E) with the ceramic material form white oxides or white compounds. Also the method of decorating ceramic materials by digital printing using the specified set of ink and the decorated ceramic products produced using this method are described.
EFFECT: invention provides ceramic materials decorated with digital printing of wide range of colours with the effect of natural stone.
11 cl, 45 tbl, 5 ex
SUBSTANCE: invention relates to compositions of engobes, which can be applied in production of articles of building ceramics (bricks, tiles, etc.). Engobe includes white-burning clay, milled broken window sheet glass, colouring additive, milled quartz sand and sulfite-alcohol mash with the following component ratio, wt %: white-burning clay - 78.0-82.8; milled broken window sheet glass - 7.0-9.0; colouring additive - 0.5-5.0; milled quartz sand - 7.0-9.0; sulfite-alcohol mash - 0.8-1.2.
EFFECT: increase of engobe frost resistance.
SUBSTANCE: invention relates to engobe compositions which can be used in making household ceramic articles (dishes, casks, jars, racks etc). The engobe contains white-burning clay, ground scrap sheet window glass, a colouring additive, pegmatite and calcium phosphate, with the following ratio of components, wt %: clay - 70.0-80.0; ground scrap sheet window glass - 3.0-4.0; colouring additive - 0.5-9.0; pegmatite - 11.0-13.0; calcium phosphate - 3.0-4.0.
EFFECT: high heat resistance of the engobe.
SUBSTANCE: invention relates to engobe compositions which can be used in making structural ceramic articles (bricks, tiles). The engobe contains clay and scrap glass, with the following ratio of components, wt %: clay - 86.0-93.0; scrap glass - 6.0-9.0.
EFFECT: high frost resistance of the engobe.
2 cl, 1 tbl
SUBSTANCE: invention relates to the technology of silicates and compositions of ceramic mixtures which can be used in making facing tiles. The ceramic mixture for making facing tiles contains kaolin, clay, potsherd, dolomite and pyrolusite, with the following ratio of components, wt %: kaolin 25.0-35.0; clay - 49.0-63.0; potsherd - 3.0-5.0; dolomite - 0.5-1.0; pyrolusite - 6.0-12.0.
EFFECT: high strength of articles.
SUBSTANCE: invention relates to technology of silicates and production of ceramic articles. The method of making ceramic articles which imitate jasper involves preparing differently and non-uniformly coloured malleable ceramic mixtures, moulding articles, drying said articles and firing. The ceramic mixtures used have the following composition in pts.wt: kaolin or white-burning clay 95, ruddle 5; kaolin or white-burning clay 94, red lead 3, ochre 3; kaolin or white-burning clay 96, chromium oxide 4; kaolin or white-burning clay 95, umber 3, mummy 2; kaolin or white-burning clay 96, pyrolusite 4.
EFFECT: increased frost-resistance of articles.
SUBSTANCE: invention relates to production of ceramic articles, mainly souvenirs and imitation jewellery. The method of making decorative ceramic articles involves preparation of at least two ceramic layers of different colours, deposition on to the surface of the layers of a mixture of powdered silicate glass and a gas-forming agent taken in amount of 0.1-10% of the mass of glass, laying the layers onto each other, rolling and then cutting the roll into workpieces for plastic moulding. The future article is made from the workpieces, dried and roasted.
EFFECT: reduced bulk weight of ceramic articles and wider range of the articles.
SUBSTANCE: invention relates to production of ceramics, specifically to making ceramic pigments underglase and overglase ceramic paints for painting ceramic bodies and glase. The technical result is achieved due to that, in order to obtain a stoichiometric composition of helenite, aluminium oxide Al2O3 is added to the mixture which contains iron oxide Fe2O3 and silicate raw material - nepheline sludge. The said components are taken in the following ratio, wt %: niepheline sludge 59.0-61.5, Al2O3 25.0-33.5, Fe2O3 5.0-16.0. The temperature of pigment synthesis 1150-1250°C.
EFFECT: increased heat resistance of ceramic pigments and recycling alumina production wastes.
3 tbl, 1 ex
FIELD: construction industry.
SUBSTANCE: uncoloured ceramic slurry is prepared, specified number of uncoloured ceramic slurry is supplied to mixing device for liquid and solid materials, metered amount of colouring agent is supplied in the form of powder to the same mixing device and uncoloured ceramic slurry and colouring agent in the form of powder are mixed, thus obtaining coloured ceramic slurry. The latter is supplied to the working reservoir of sprayer, ceramic slurry is divided into small drops, which are dried in hot air flow, thus obtaining the mass consisting of colourful solid granules to be used as base material for tile manufacture. Supply of uncoloured ceramic slurry and colouring agent, as well as their mixing, is performed as continuous process.
EFFECT: developing more flexible manufacturing allowing to enlarge product line, and decrease of production costs.
28 cl, 7 dwg
SUBSTANCE: invention relates to manufacturing of ceramic wares, mainly bijouterie. Manufacturing method of decorative ceramic wares includes preparation, at least two layers of differing by colour ceramic mixtures with moisture 18-22 %, application between layers of grinned and screened through mesh № 008 halite with following pressing of layers up to receiving of "sandwich", turning of it into "roll" and cutting for workpieces. From workpieces there are formed products by means of soft-mud process, dried and burnt.
EFFECT: hardening of layers adhesion of decorative product.
SUBSTANCE: charge for production of porous filler contains, wt %: montmorillonite clay 87.0-90.0, milled for passage through mesh No 0.63 coal 1.0-1.5, quartz sand 7.0-9.0, borax 1.5-3.0.
EFFECT: increased strength of porous filler, obtained from charge.