8 results about "Plagioclase" patented technology

The invention discloses a plugging composition for plugging an oil field water flow dominant channel. The plugging composition contains ultrafine powder, a thickening regulator and a filtration regulator, wherein the ultrafine powder is prepared from 40.5 to 69.2 parts of hexagonal calcium silicate, 11.5 to 28.6 parts of calcite, 5.8 to 14.7 parts of clay mineral, 5.2 to 14.6 parts of quartz, 0 to 0.9 part of potassium feldspar, 0 to 2.6 parts of plagioclase, 0 to 0.6 part of dolomite, 0 to 2.1 parts of hornblende, 0 to 0.4 part of gypsum and 0 to 3.8 parts of anhydrite; the thickening regulator is sodium lignin sulfonate, hydroxymethyl cellulose and / or boric acid; the filtration property regulator is a terpolymer of 2-acrylamido-2-methylpropanesulfonic acid / acrylamide / hydroxy carboxylic acid, barium sulfate and / or 1788 type polyvinyl alcohol; the mass ratio of the thickening regulator to the ultrafine powder is (0.05-4): 100; the mass ratio of the filtration modifier to the ultrafine powder is (0.5-5): 100. The invention also discloses a preparation method and application thereof. The plugging composition provided by the invention can be matched with water flow dominant channels of reservoirs with different permeability.

The application discloses grass-wood-ash black glaze and a preparation method thereof, and relates to the technical field of glaze preparation. The grass-wood-ash black glaze is prepared from the following raw materials in parts by weight: 50-60 parts of silicon dioxide, 9-12 parts of aluminum oxide, 7-10 parts of calcium oxide, 1-3 parts of magnesium oxide, 4-6 parts of diiron trioxide, 2-6 parts of potassium oxide, 3-8 parts of fluorcarbonate, 5-10 parts of lithium mica, 12-15 parts of quartz stone, 2-4 parts of potassium feldspar, 5-8 parts of plagioclase, 7-10 parts of calcite, 30-35 parts of dolomite, 20-25 parts of illite, 6-9 parts of illite-smectite mixed layer, 5-8 parts of chlorite, 3-5 parts of kaolinite and 10-20 parts of grass-wood-ash. The glaze surface of the grass-wood-ash black glaze has a unique artistic effect of blue-violet kiln-change flow lines on a dark green base, has the advantages of high color saturation, low sintering temperature, unique artistic effect and the like, and has good environmental protection and antibacterial properties.

The application discloses a component-controllable simulated moon soil preparation method based on thermal phase change and belongs to the technical field of moon soil simulation material preparation.The application realizes controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) through thermal melting and crystallization processes, and determines the mixing ratio in combination with a nonlinear programming model, so that the simulated moon soil is highly similar to the target moon soil in terms of mineral phase composition, microstructure, optical performance and thermal performance.The method provides a high-fidelity simulation material with adjustable components for the ground experiment of ISRU technology (such as sintering, metallurgy and in-situ 3D printing), and solves the problem that the traditional simulation material preparation method cannot perform fine component factor test design in the related technical research process.

The invention belongs to the technical field of environmental science and engineering, and particularly relates to an experimental method based on basalt mineralization and storage of CO2 reaction simulation, the experimental method based on basalt mineralization and storage of CO2 reaction simulation comprises the following specific steps: selecting a sample used for an experiment, the sample is from neonatozoic basalt in the northern part of Hainan island, the color is gray black, and the sample is selected from the sample; the ceramic has a plaque structure and a pore structure, and plaque minerals are plagioclase, pyroxene and a small amount of olivine; according to the application, neonatozoic basalt in the northern part of Hainan island is taken as an experimental object, five groups of high-temperature and high-pressure basalt-water-CO2 simulation reaction experiments of 30 DEG C, 50 DEG C, 70 DEG C, 90 DEG C and 110 DEG C are carried out, and technical means such as a scanning electron microscope (SEM), energy spectrum analysis (EDS) and inductively coupled plasma emission spectroscopy (ICP-OES) are comprehensively utilized to explore reaction characteristics of CO2 sealed by basalt under different experimental temperature conditions; the reaction mechanism of mineralizing and sealing CO2 by basalt is systematically analyzed.

This invention relates to a nuclear-grade air filter in the field of air filter technology. The nuclear-grade air filter includes a reusable frame and a filter element. The reusable frame is made of inorganic non-metallic mineral fiber composite material. The reusable frame includes two side plates, two top plates, and several grid plates. The two side plates are vertically arranged between the two top plates. Side posts are provided at the joints between the side plates and the top plates. The side plates and top plates are fixed together by a mortise and tenon structure formed by the side posts. The filter element is arranged in a corrugated structure within the reusable frame. Several grid plates are arranged on the front and rear end faces of the reusable frame. The corners of the filter element are fixed by the grid plates. The inorganic non-metallic mineral fiber composite material includes one of silicate minerals or basalt and basaltic inorganic non-metallic stone, or a modified composite material thereof. The silicate minerals are composed of at least one of plagioclase, silica, and pyroxene, and the silicate mineral content is at least 20%.

The invention relates to the technical field of lunar soil preparation, in particular to a simulated lunar soil preparation method based on nonferrous metal tailings. Comprising the following steps: grinding and screening nonferrous metal tailing powder; mixing the non-ferrous metal tailing powder with the plagioclase powder, the pyroxene powder, the olivine powder and the hematite powder in proportion, and grinding; uniformly mixing the mixed powder with graphite powder to obtain composite powder containing elemental iron, and uniformly mixing ilmenite powder with carbon black powder to obtain composite powder containing coexisting elemental iron and ilmenite; and uniformly mixing the two kinds of powder, performing low-intensity magnetic separation, ball-milling and screening, and mixing according to a specified particle size distribution ratio to obtain the lunar soil simulant. Not only is efficient resource utilization of the nonferrous metal tailings realized, but also simulated lunar soil with matched components and stable performance can be prepared.

The present invention relates to an asphalt mixture comprising: (a) a steelmaking slag aggregate which has a size of more than 2.5 mm and less than 14 mm, and in which the proportion of plagioclase feldspar aggregates is 10% or less; (b) a general aggregate having a size of more than 0.075 mm and less than 6 mm; (c) an asphalt binder; (d) a filler; (e) a fiber additive; and (f) a liquid anti-stripping agent. The asphalt mixture of the present invention can prevent potholes and plastic deformation from occurring on road pavement by using the characteristics of steelmaking slag aggregates which have a silicate (SiO2) component in an amount lower than that in general aggregates, and which have interlocking performance higher than that of same.

The invention discloses a preparation method of component-controllable lunar soil simulation based on thermally induced phase change, and belongs to the technical field of lunar soil simulant preparation. Controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) is realized through thermally induced melting and crystallization processes, and a mixing ratio is determined in combination with a nonlinear programming model, so that the simulated lunar soil highly simulates target lunar soil in mineral phase composition, microstructure, optical performance and thermal performance. According to the method, a high-fidelity simulation material capable of regulating and controlling components is provided for ground experiments of ISRU technologies (such as sintering, metallurgy and in-situ 3D printing), and the problem that fine component factor experimental design cannot be carried out in the related technology research process of a traditional simulant preparation method is solved.