9 results about "Muscovite" patented technology

The application provides a beneficiation method for lithium extraction from iron lepidolite ore by magnetic suspension, which adopts a process flow of "high-gradient high-intensity magnetic separation pre-concentration-flotation recovery-flotation tailings returning to magnetic separation operation" to separate and recover the iron lepidolite, and the magnetic separation operation adopts a high-gradient magnetic separator to recover the iron lepidolite through one or more high-intensity magnetic separation operations and preliminarily separate the iron lepidolite from muscovite and other gangues; the magnetic products obtained through the magnetic separation operation are combined and subjected to flotation, and a high-efficiency iron lepidolite flotation collector LYP is used to obtain high-quality iron lepidolite concentrate; the flotation tailings are returned to the high-gradient magnetic separation operation, and finally the efficient separation of the iron lepidolite is realized. The application is a new beneficiation method for iron lepidolite ore, which is stable, efficient, has strong adaptability, good separation effect and high recovery index, and is suitable for popularization and application.

A method of producing a hydraulic cement composition, comprising - providing a raw material that comprises > 18 wt.-% kaolinite, ≥ 15 wt.-% calcite and a combined content of muscovite and illite of < 20 wt.-%, - calcining the raw material to obtain a pozzolanic material, - mixing the pozzolanic material with Portland cement clinker so that the cement composition comprises > 50 wt.-% of the pozzolanic material and < 45 wt.-% of the Portland cement clinker.

The invention belongs to the technical field of low-temperature vein ore deposit mineralization center positioning methods, and particularly relates to a low-temperature vein ore deposit mineralization center positioning method based on muscovite group minerals, which comprises the following steps of: collecting, analyzing and sorting regional geological data, and collecting geological characteristics, mineralization background, regional structure and metamorphic background of a mining area; analyzing muscovite cause types and determining mineralization conditions; field geological survey sampling and drilling rock core logging are carried out, surrounding rock alteration characteristics are observed, sampling and logging rock cores are recorded, and test samples are collected at intervals; the short-wave infrared spectrum technology, the electronic probe technology and the laser Raman spectrum technology are creatively integrated, classification characterization and multi-dimensional data mining are carried out on muscovite family minerals, key parameters such as Pos2200, ISM values and Raman peak displacement of the muscovite family minerals are extracted, muscovite types related to and unrelated to the minerals can be effectively distinguished, invalid indication information is eliminated, and the mining quality is improved. The positioning precision of the concealed ore body is remarkably improved, and the problems that relevance interpretation is insufficient and positioning is fuzzy in a traditional single technical means are solved.

The present application relates to a kind of low-grade iron lepidolite ore flotation pre-concentration-magnetic separation upgrading method, belong to mineral processing technical field.The present application carries out coarse grinding, slurry conditioning to low-grade iron lepidolite ore, under the synergistic effect of combined reagent and flotation column, using two times flotation column roughing, can efficiently recover iron lepidolite in ore, then the lithium rough concentrate obtained by flotation is defoamed, and is finely ground, and it is enriched again by high gradient magnetic separation, i.e. high-quality lithium concentrate can be obtained.The flotation pre-concentration process used in the present application only includes two roughing operations, no cleaning and scavenging operations, and does not involve middlings return, which can avoid the circulation of slime in the flotation system, and using flotation column as a separation device can improve the pre-concentration effect of micro-fine particle grade iron lepidolite, greatly reducing the ore processing capacity and energy consumption of subsequent process;Using high gradient magnetic separation can effectively separate iron lepidolite ore and gangue minerals such as muscovite, which is fully dissociated by fine grinding process, to realize lithium concentrate upgrading and impurity reduction.

The invention provides a method for determining a saturated crystallization process of spodumene in pegmatite, and belongs to the crossing field of rare metal ore deposit science and mineral in-situ analysis. According to the method, after a sample is collected and prepared into a probe piece, a saturated crystallization potential microcell is locked through muscovite oriented lithofacies-composition characterization; dividing a spodumene core-mantle-edge structure by means of the color cold cathode luminescence image girdle characteristics, and adjusting beam spots according to the girdle width to carry out LA-ICP-MS in-situ analysis; and finally, establishing a muscovite Ta / Nb ratio-spodumene Fe / Mn ratio synchronous response model, and accurately judging the saturated crystallization process. The method breaks through the limitation of single mineral analysis, solves the problems of inaccurate and non-systematic judgment in the prior art, and provides reliable technical support for pegmatite lithium mineralization research.

The invention relates to the field of filler dispersion processes, and discloses a filler dispersion process for improving the thermal stability of an organic silicon insulating material, which comprises the following steps: S1, filler screening and characterization: screening at least two high-temperature-resistant fillers from hexagonal boron nitride, muscovite and phlogopite based on the microscopic characteristics of the fillers, the type, the particle size, the morphology and the crystal structure of the filler are systematically characterized; s2, surface chemical modification: carrying out surface chemical modification on the screened filler, and enhancing the interface bonding force between the filler and an organic silicon matrix through coupling agent treatment or functional modification; s3, multi-component filler synergistic dispersion; s4, optimizing process parameters; and S5, forming the composite material. Compared with the prior art, the process has the advantages that through systematic filler screening, surface modification and dispersion process control, uniform dispersion and firm interface bonding of the filler in an organic silicon matrix are achieved, and therefore the thermal stability of the composite material is remarkably improved.

An electrical cable for use as a substitute for mineral-insulated cables in nuclear facilities is described herein. The cable may include at least one conductor, insulation, a jacket, and an armor shell. In some embodiments, the conductor may comprise a stranded conductor of one of various grades. The insulation may comprise phlogopite or muscovite mica tape that may be helically or longitudinally applied in overlapping concentric layers around at least one conductor. The jacket may comprise a woven glass braid applied over insulation surrounding one or multiple conductors. The armor may comprise hermitically sealed metallic armor applied around the other components of the cable, thereby forming an exterior of the cable. The inorganic materials utilized may be configured to limit the creation of adverse and / or undesirable elements instigated by transmutation from neutron irradiation exposure.

The invention provides a method for flotation recovery of rubidium from gold ore preselection tailings, and belongs to the technical field of mineral processing. According to the method provided by the invention, gold ore pre-selected tailings are used as raw materials, the content of Rb2O is higher than 0.1%, the main rubidium-containing mineral is muscovite, firstly, the raw materials are ground until-0.074 mm ore accounts for 80%-90%, under the conditions that the ore pulp concentration is 25%-35% and the pH is 2-5, a combined collecting agent composed of dodecyl ether amine and potassium monoalkyl ether phosphate according to the mass ratio of (3-5): 1 is adopted for carrying out a flotation process of one-time roughing, two-time concentration and two-time scavenging, and the flotation process is completed. And the rubidium-containing muscovite concentrate is obtained. According to the method, rubidium resources are efficiently and economically recycled from the low-grade gold mine tailings, the process technology is reliable, and operation is easy; and the method has the characteristics of no pollution to the environment, low energy consumption, low investment and low treatment cost.

The invention relates to the technical field of casting powder, in particular to low-alkalinity high-crystallization casting powder for nib steel, which comprises the following raw materials: a pre-melting material, aluminum activated wollastonite, modified fluorite, cryolite, carbon nanotube composite graphite, sodium carboxymethyl cellulose and magnesia. According to the method, the modified fluorite is calcined to generate the composite fluoride, F <-> is gradually released at high temperature, and sudden viscosity reduction caused by rapid fluorine release of traditional fluorite is avoided, so that the thickness of a slag lubricating layer is stabilized, and the steel breakout risk is reduced; meanwhile, the introduced Na < + > serves as a strong network regulator, a network structure formed by silica tetrahedrons is effectively broken, the melt polymerization degree is reduced, and therefore the viscosity and the melting point of the slag are reduced; the activity of CaO in the molten slag is indirectly influenced, and the actual alkalinity of a slag system can be reduced; in addition, K < + > in the muscovite is removed through acid pickling, active Al < 3 + > is released, and the active Al < 3 + > reacts with wollastonite to generate low-melting-point calcium aluminosilicate, so that the content of effective CaO is reduced, and the alkalinity of a slag system is reduced.