35 results about "Calcium stone" patented technology

The invention discloses full-machine-made sand plastering mortar taking limestone as aggregate and a preparation method of the full-machine-made sand plastering mortar. The full-machine-made sand plastering mortar taking limestone as the aggregate comprises the following components in parts by weight: 140-160 parts of cement, 770-820 parts of limestone machine-made sand, 40-70 parts of limestone powder, 0.2-0.3 part of cellulose ether, 0.005-0.01 part of an air entraining agent and 0.02-0.04 part of a thixotropic lubricant. Wherein the limestone machine-made sand and the limestone powder are prepared by crushing high-calcium stones, the fineness modulus of the limestone machine-made sand is 2.5, and the fineness modulus of the limestone powder is 0.07. The full-machine-made sand plasteringmortar taking limestone as the aggregate has the advantages of less bleeding, good workability, strong binding power after construction, no shrinkage, no hollowing, smooth and flat surface, low raw material cost, no secondary pollution, heat conduction, good heat dissipation and capability of adsorbing formaldehyde and purifying air.

The invention discloses a medical stone dual-effect multi-element organic fertilizer and a preparation method thereof. The medical stone dual-effect multi-element organic fertilizer which is low in carbon and environment friendly is produced by organically blending natural humic acid, medical stone, calcium stone, bentonite, potassium oxide, ammonium phosphate, magnesium sulfate, borax, zinc sulfate, ferrous sulfate, aluminum potassium sulfate, agricultural traditional Chinese medicines (veratrum nigrum, celastrus angulatus, garlic juice, tobacco stalk, liquorice, Chinese stellera root and cyrtomium rhizome), a polyaspartic acid (PASP) plant nutrient accelerator and the like under the condition of normal temperature and normal pressure. The preparation method comprises the following steps of: crushing and milling the raw materials in the formula into powder of which the grain size is about 120 to 200 meshes; uniformly mixing the powder in a stirrer according to proportion; conveying the mixture to a granulator through a conveyor; after spraying and chelating the mixture through PASP and water mixed solution, granulating the mixture; after curing and drying the mixture with a dryer at high temperature, screening the grains, wherein the fertilizer product is 2.5 to 4.5mm in grain size, 5 to 6 Newtons in strength and less than 10 percent in free moisture; and after the product is checked to be qualified, metering and filling the product in bags. Fertilizer and medicine are integrated in the product; the product is comprehensive in nutrient elements, uniformly supplies fertilizer and is rich in organic substances and amino acids; residual fertilizer in the soil can be activated and used; the yield and the quality of crops are improved; green and organic agricultural products are produced; income of farmers is increased; the defect and difficulty brought to agricultural production and plantation by applying chemical fertilizers for a long time can be well overcome; the defects and the disadvantages of the chemical fertilizers are overcome; and the industry policy requirement of China on the economic benefit and social benefit of a green, organic and environment-friendly sustained or controlled release fertilizer is really met.

The invention discloses a water-resistant moistureproof ceramic tile and a preparation method thereof. The water-resistant moistureproof ceramic tile is prepared from the following raw materials in parts by weight: 20-30 parts of zebra stone, 15-25 parts of soil of an east wall, 18-27 parts of chromium slag, 5-10 parts of magnesium hexafluorosilicate hexahydrate, 17-26 parts of hard boron calcium stone, 14-22 parts of coal slime, 16-24 parts of refining slag, 15-25 parts of spinel, 11-19 parts of fluorgypsum, 20-30 parts of feldspar tailings, 10-15 parts of edible seaweed powder, 19-28 parts of apatite, 13-21 parts of lithium mica slag and 5-10 parts of high temperature activated bamboo charcoal powder. The ceramic tile is added with the raw materials of zebra stone, the soil of the east wall, magnesium hexafluorosilicate hexahydrate, edible seaweed powder and high temperature activated bamboo charcoal powder, so that water resistance and moistureproof property of the ceramic tile can be improved, antibacterial and mouldproof effects can also be achieved, and weather resistance and mechanical properties of the ceramic tile can also be improved; and compared with traditional ceramic tiles, the ceramic tile disclosed by the invention has excellent water resistance, moistureproof property, antibacterial property, corrosion resistance and mechanical properties.

The invention relates to a chicken forage formula which can improve selenium-iodine egg, and relative production, wherein it is formed by energy forage as corn and fat, protein forage as soybean cake, mineral forage as stone powder, calcium hydrogen phosphate, and common salt, nourishment forage additive as lycine, acimetion, vitamin, composite vitamin, and seaweed powder, and mineral microelement. And its production comprises that: a, mixing sodium selenate, potassium iodate and oligose; putting calcium hydrogen orthophosphate, seaweed powder, acimetion, lycine, vitamin, mineral microelementas copper, manganese, iron, and zinc, into ceramic pot to be mixed uniformly; b, breaking vegetable oil and corn; c, putting, corn powder, soybean, calcium stone powder, and forage additive, input forage mixer to be mixed for 10-15min, to produce the egg chicken forage. Said egg can improve physical quality.

The invention relates to a production method for a light sleeper made of a microcrystal material. Resourceful sediment in the yellow river is used as a major raw material, and auxiliary raw materials mainly include calcium stone powder, industrial barium carbonate, industrial soda ash, industrial borax, commercial alumina, zinc oxide, a clarifying agent and the like. The light sleeper made of the microcrystal material has the advantages that the light sleeper has good physical and chemical performance, light weight and high strength and is environment-friendly, a production technology process of the light sleeper is suitable for industrial production lines, the raw materials are rich, cost is low, production efficiency is high, energy is saved, and resource is effectively and comprehensively used.

The invention discloses a method for preparing porous adsorption functional materials xonotlite and sodium-doped xonotlite by using discarded eggshells. The prepared material has large specific surface area and pore volume, meets the standard of mesoporous materials, and is a kind of Adsorption material with obvious uneven surface and developed pores; use 0.12g CSH 0 and NCSH 2 Adsorb 100mL 120mg / L containing Cd 2+ Wastewater, under the optimized conditions of pH=6, T=313K and t=45min, the removal rate is as high as 81.68% and 98.01%, respectively, and the equilibrium adsorption capacity is as high as 81.68mg / g and 98.01mg / g, both of which have high Adsorption performance, and adding sodium can improve the surface and pore structure of xonotlite, which is beneficial to improve the adsorption performance; through the Langmuir equation to describe the adsorption behavior of the two, the saturated adsorption capacity is obviously better than other materials; after use xonotlite and Sodium-doped xonotlite can be regenerated, and the regenerated xonotlite still has excellent adsorption capacity after repeated use; the invention makes full use of natural waste resources, and the preparation process is simple, and the product has high performance and has High promotional value.

The invention discloses a medical stone dual-effect multi-element organic fertilizer and a preparation method thereof. The medical stone dual-effect multi-element organic fertilizer which is low in carbon and environment friendly is produced by organically blending natural humic acid, medical stone, calcium stone, bentonite, potassium oxide, ammonium phosphate, magnesium sulfate, borax, zinc sulfate, ferrous sulfate, aluminum potassium sulfate, agricultural traditional Chinese medicines (veratrum nigrum, celastrus angulatus, garlic juice, tobacco stalk, liquorice, Chinese stellera root and cyrtomium rhizome), a polyaspartic acid (PASP) plant nutrient accelerator and the like under the condition of normal temperature and normal pressure. The preparation method comprises the following steps of: crushing and milling the raw materials in the formula into powder of which the grain size is about 120 to 200 meshes; uniformly mixing the powder in a stirrer according to proportion; conveying the mixture to a granulator through a conveyor; after spraying and chelating the mixture through PASP and water mixed solution, granulating the mixture; after curing and drying the mixture with a dryer at high temperature, screening the grains, wherein the fertilizer product is 2.5 to 4.5mm in grain size, 5 to 6 Newtons in strength and less than 10 percent in free moisture; and after the product is checked to be qualified, metering and filling the product in bags. Fertilizer and medicine are integrated in the product; the product is comprehensive in nutrient elements, uniformly supplies fertilizer and is rich in organic substances and amino acids; residual fertilizer in the soil can be activated and used; the yield and the quality of crops are improved; green and organic agricultural products are produced; income of farmers is increased; the defect and difficulty brought to agricultural production and plantation by applying chemical fertilizers for a long time can be well overcome; the defects and the disadvantages of the chemical fertilizers are overcome; and the industry policy requirement of China on the economic benefit and social benefit of a green, organic and environment-friendly sustained or controlled release fertilizer is really met.

The invention discloses a high-performance low-gloss exterior wall texture coating. The high-performance low-gloss exterior wall texture coating is characterized by comprising the following components in parts by weight: 8-12 parts of water, 0.1-0.3 part of anti-mildew and anti-algae agent, 0.1-0.3 part of preservative, 0.1-0.3 part of dispersant, 0.1-0.3 part of wetting agent, 0.2-0.4 part of defoaming agent, 15-25 parts of emulsion, 7-12 parts of 325-mesh heavy calcium powder, 0.5-0.8 part of attapulgite, 0.5-3.0 parts of diatomite, 0.2-0.5 part of fly ash, 0.1-0.3 part of wood fiber, 0.15-0.25 part of cellulose, 0.4-0.7 part of film-forming additives, 0.4-1 part of anti-freezing agent, 0.05-0.15 part of multifunctional additives, 0.3-0.8 part of thickener, 1-4 parts of titanium dioxide and 50-60 parts of heavy calcium stone grains. The invention further discloses a preparation method of the high-performance low-gloss exterior wall texture coating. The exterior wall texture coating disclosed by the invention is a glossy measurable high-performance low-gloss exterior wall texture coating product, can avoid the problem of interfacing in construction of a traditional product and the problems of returning white and floating after construction and has the function of protecting a wall body in a lasting manner.

The invention is an expanded perlite-xonotlite compound heat-preserving material and its preparing method, and its characteristic: selecting expanded perlite with loose bulk weight of 60-100 kg / cu m, mixing in xonotlite active slurry, where the mixing proportion: expanded perlite 74-85 Wt.% and dry xonotlite active slurry 14-25 Wt.%, additionally adding in 1.0 Wt.% alkali resistant glass fiber as reinforcing fiber. After mixed material is stirred uniformly, making pressure filter forming in a water filtering mould; as pressing, the pressure is controlled at 0.10-0.15 MPa, and the wet blank is placed in a drying kiln for drying, and the temperature of the drying kiln is controlled at 50-110 deg.C, and the water content in the product <=1.0%, and the water content after absorbing moisture <=4.0%. The product at 800 deg.C heat conductivity coefficient is reduced by near 30% as compared with that of traditional water glass combined expanded perlite product, the folding strength and pressive strength are increased by twice above, the use temperature increased by near 200 deg.C, and the preparation cost is near that of traditional expanded perlite product.

The invention relates to a bending-resistant and heat-shock-resistant far-infrared fine pottery blank, a bend-resistant, heat-shock-resistant far-infrared fine pottery product and a method prepared therefrom, and belongs to the technical field of daily-use ceramics. The anti-bend and heat-shock resistant far-infrared fine pottery billet includes a green body base material and a green body additive, and the green body base material includes the following components in terms of mass percentage: 10-20wt% of Dehua elutriation slurry, 15% of burnt gemstone ~25wt%, china clay 10~20wt%, water washing mud 15~30wt%, potassium albite feldspar 10~25wt%, boronite 1~3wt%, raw talc washing mud 10~20wt%, lithium feldspar 1~2wt% , each green body base material is 100% in total; relative to the green body base material, the addition amount of the green body additive is 3-8wt% of the green body base material. The fine ceramic product has high flexural strength, good thermal stability and far-infrared emission function, which can meet the high-end requirements of consumers.

The invention discloses a method for recycling calcium carbide. The method comprises the following steps: dust removal step S1: crushing calcium carbide to obtain calcium carbide dust; collecting the calcium carbide dust through a first bag filter; conveying step S2: transport the calcium carbide dust to the calcium carbide dust storage bin; processing step S3: transport the calcium carbide dust in the calcium carbide dust storage bin into a briquetting machine to obtain calcium carbide granules; The processable calcium carbide dust is transported back to the calcium carbide dust storage bin; reaction step S4: transporting the calcium carbide granules into a calcium carbide generator to generate acetylene gas. The present invention realizes all recycling of calcium carbide dust through centralized closed recovery and reuse of calcium carbide dust, and uses it as raw material for polyvinyl chloride production after processing, which solves the potential safety hazard and raw material waste of calcium carbide dust generated in the process of calcium carbide crushing The problem.

The invention discloses an elevator. The elevator comprises a car, wherein the car comprises a car wall, and the car wall comprises an inner wall plate and an outer wall plate; a hollow structure is formed between the inner wall plate and the outer wall plate, and a first fireproof brick and a second fireproof brick are arranged in the hollow structure; the first fireproof brick and the second fireproof brick are bonded with the inner wall plate and the outer wall plate through fire-resistant sealing glue; and the first fireproof brick is prepared from the following raw materials of, in partsby weight, 50-70 parts of hydrated calcium silicate, 5-20 parts of quartz, 5-20 parts of kaolin, and 5-30 parts of glass fiber, wherein the hydrated calcium silicate is a mixture of a hard silicon calcium stone and a tobermorite, and the mass ratio of the hard silicon calcium stone to the tobermorite is 3-5 : 5-7. According to the elevator and the preparation method thereof, the mixture of the hard silicon calcium stone and the tobermorite with excellent heat stability is adopted to serve as a main fireproof component, the fireproof bricks with the fire-resistant temperature ranging from 800 DEG C to 1000 DEG C are prepared to prevent the fire effectively, so that the safety of passengers are guaranteed.