630 results about "Bauxite" patented technology

The invention discloses a method and a system for rapidly detecting the content of aluminum in bauxite based on a near infrared spectrum, and aims to meet the cross-field requirements of geoscience, resource exploration, artificial intelligence and the like. A traditional bauxite Al2O3 detection method is high in cost, expensive in used instrument and low in efficiency, and application of the traditional bauxite Al2O3 detection method in the fields of scientific research, industry and management is limited. In order to solve the problems, the method comprises the following steps: establishing a sample database by utilizing collected near infrared spectrum data of bauxite and Al2O3 standard values corresponding to samples; according to the method, a deep learning model based on DenseNet and Roformer is constructed and trained, so that the deep learning model is suitable for capturing a nonlinear relationship between a bauxite spectrum and the Al2O3 content of the bauxite spectrum, and rapid detection and analysis of Al2O3 of the bauxite can be simply and efficiently realized.

The invention belongs to the technical field of desiliconized fly ash, and particularly relates to a high-alumina-silica-ratio material capable of replacing bauxite as well as a preparation method and application of the high-alumina-silica-ratio material. The preparation method comprises the following steps: S1, crushing coal gangue, and grinding the crushed coal gangue until the particle size is less than 40 meshes to obtain a ground material; s2, mixing the ground material and a catalyst according to a weight ratio of 100: (1-2), roasting, and cooling to obtain activated coal gangue; the catalyst comprises sodium carbonate, calcium oxide and aluminum oxide in a weight ratio of 1: (0.3-0.5): (1.4-1.6); s3, mixing a sodium hydroxide solution, the activated coal gangue and a surfactant, and reacting at 50-90 DEG C for 1-6 hours to obtain desiliconized slurry; and S4, filtering the desiliconized slurry, collecting a solid phase, washing with water, and drying to obtain desiliconized fly ash, namely the high alumina-silica ratio material capable of replacing bauxite. The method is high in desiliconization rate.

An LIBS-based bauxite component quantitative detection method and a related apparatus. The method comprises: controlling an LIBS system to collect actual spectral data of bauxite under test; preprocessing the actual spectral data to obtain preprocessed actual spectral data; on the basis of the preprocessed actual spectral data, extracting corresponding feature elements to be detected, said feature elements comprising one or more of information about feature wavelengths to be detected, information about element wavelengths to be detected, and information about remaining wavelengths to be detected; and, on the basis of said feature elements and a quantitative detection model, determining component information of said bauxite.

The invention provides a coating for casting an alloy steel lost foam as well as a preparation method and application of the coating. The coating comprises the following raw materials in parts by weight: 79-89 parts of aggregate, 3-7 parts of a binder, 4-7 parts of a suspending agent, 1.5-3 parts of a surfactant, 1.5-2.5 parts of a defoaming agent and 1-1.5 parts of a preservative, the aggregate is prepared from the following components in percentage by mass: 78 to 82 weight percent of bauxite, 12 to 15 weight percent of mica and 3 to 10 weight percent of quartz powder; the binder is prepared from the following components in percentage by mass: 42 to 50 weight percent of anhydrous aluminum dihydrogen phosphate, 18 to 25 weight percent of white carbon black, 12 to 17 weight percent of ethylene glycol and 8 to 28 weight percent of magnesium oxide; the coating for casting the alloy steel evanescent mode keeps good suspension property, high-temperature air permeability, coating property, high-temperature crack resistance and shedding property of the coating, the surface of a casting is smooth and free of burnt-on sand, less harmful gas is volatilized during firing, and harmful gas generated by burning of a white mold can be absorbed.

The invention belongs to the technical field of motor casing lost foam casting, and particularly relates to a special coating for a motor casing lost foam as well as a preparation method and application thereof. Through a quantitative formula design method, an aggregate proportion calculation formula based on thermal expansion coefficient matching and a grain size distribution correlation formula based on target air permeability, cooperative compounding of quartz powder and bauxite is achieved, and key functional components such as mullite, organic matter fibers and crystalline flake graphite are combined; the unification of high air permeability and excellent crack resistance of the motor shell lost foam coating is realized. The invention further provides a two-time coating gradient drying efficient process matched with the coating, and on the premise that the coating performance is guaranteed, the production efficiency is remarkably improved, and the energy consumption is reduced.

The invention provides a concrete composite expanding agent and a preparation method thereof, and belongs to the field of concrete admixtures. The concrete composite expanding agent comprises modified phosphogypsum, fly ash, bauxite, a modified oxide and an auxiliary agent, and is obtained by uniformly mixing the modified phosphogypsum, the fly ash, the bauxite, the modified oxide and the auxiliary agent which have different specific surface areas. According to the composite expanding agent, the modified ardealite and the fly ash synergistically provide an early-stage expansion source, early-stage shrinkage of concrete is compensated through calcium sulphoaluminate hydration products, meanwhile, modified magnesium oxide serves as a later-stage expansion source, magnesium hydroxide is generated through slow hydration, and long-term expansion compensation is achieved; the device has the advantages of good strength, compensation capability and the like; a large amount of industrial waste residues such as ardealite and fly ash are utilized, high-added-value utilization of the industrial waste residues is achieved, and remarkable economic benefits are achieved.

The invention discloses a honeycomb ceramic and a preparation method thereof.A composite additive is added into a mixed ceramic raw material, the weight ratio of the mixed ceramic raw material to the composite additive is (30-50): (50-70), and the composite additive comprises 30-54 parts of flaky aluminum oxide, 2-10 parts of nano zinc oxide and 1-5 parts of metal molybdenum particles; the preparation method comprises the steps of ball milling, kneading, refining, extrusion forming, drying and sintering. According to the invention, the raw material formula is optimized, and bauxite is replaced by flaky alumina; beneficial additives, namely nano zinc oxide and metal molybdenum particles, are doped; an original extrusion molding device is used for achieving a layered structure of flaky aluminum oxide, and therefore the shell-imitating pearl layer structure with the layered aluminum oxide as bricks, the metal molybdenum particles as mud and the zinc-aluminum spinel particles as protrusions is built.

The invention discloses a false-inclined multi-layer strip mining method for gentle-inclined medium-thickness underground sedimentary bauxite. The method is particularly suitable for safe and efficient mining of gentle-inclined medium-thickness bauxite with an unstable top plate. An in-vein middle-section transportation roadway is arranged in an ore body to divide the ore body into different middle sections, top and bottom columns are reserved between the middle sections, mining areas are divided in the middle sections in the moving direction of the ore body, columns are reserved between the mining areas, a mining area slope ramp, a lower layered ore loading gate way, a segmented transportation gate way, a layered connection way and an upper layered cutting gate way are respectively tunneled, and strips of two specifications are arranged; the arranged mining areas, ore blocks, mining area ramps, strips and studs are all arranged in a pseudo-inclined mode, the stoping operation is divided into two steps for layered stoping, the strips of 3-5 m are firstly stoped, the strips of 6-8 m are then stoped, according to the stoping sequence that the lower layer is firstly stoped and then the upper layer is stoped, and filling is conducted in time after each layer is stoped. The method is in-vein engineering and has the advantages of being small in mining and cutting engineering amount, good in safety and economical efficiency, high in recovery efficiency and the like.

The present invention relates to the technical field of refractory materials, and specifically discloses a lightweight and high-strength refractory ceramic material and a preparation method thereof, comprising 30%-40% lightweight filler (expanded perlite or glass microspheres), 20%-30% corundum or mullite, 10%-15% silicon carbide, 10%-20% high bauxite and 1%-5% dispersant, an oven is used to dry the lightweight filler, a ball mill is used to crush the corundum or mullite and silicon carbide, and a vibrating screen is used to screen them. The present invention ensures that the final ceramic material has the advantages of light weight, high strength, good thermal shock resistance, excellent thermal insulation, high temperature resistance, corrosion resistance, etc., is suitable for structural materials or thermal insulation materials in high temperature environments, and the precise control of humidity, temperature and molding pressure during the preparation process improves the uniformity and performance stability of the material, ensuring an efficient production process.

Disclosed is a dispersible bauxite particle comprising at least one bauxite domain and at least one nutrient domain, at least one pesticide domain, at least one bio-additive domain, at least one adsorbent domain, or a combination thereof, present in the dispersible bauxite particle, aggregated together as different domains, or comprising bauxite pellets and a water-soluble binder that agglomerates a plurality of bauxite pellets into dispersible bauxite pellets, wherein the bauxite pellets are not chemically modified by NaOH. A method of improving soil with bauxite is disclosed, comprising applying bauxite to the soil wherein the bauxite is mineral bauxite that is not chemically modified with NaOH, the bauxite having a moisture content of less than 10% by weight, the bauxite having a size of less than 0.6 mm, the bauxite improving the efficacy of phosphates present in the soil by at least 5%.

The invention discloses an extraction method for extracting gallium from waste residues of coal gangue and bauxite, which is characterized in that metal elements such as gallium and aluminum in the waste residues can be uniformly distributed through powdering and proper mixing, ammonium sulfate is added in the roasting process, so that not only is the separation and release of gallium and aluminum realized, but also the generated ammonium sulfate gas is cooled, crystallized and recycled, and the production cost is reduced. According to the method, the process cost is reduced, acid leaching, alkaline leaching and composite extraction are adopted step by step, it is ensured that gallium is efficiently enriched and separated in all procedures, gallium oxide with the purity larger than or equal to 99.5% is finally obtained, meanwhile, residual silicon-rich residues and bauxite residues are subjected to hydrothermal crystallization to prepare molecular sieves, comprehensive utilization of waste residues is achieved, and obvious economic and environment-friendly benefits are achieved.

Ultrafast flash evaporation joule heating synthesis methods and systems, more particularly, ultrafast synthesis methods for recovering metals from ores, fly ash, and bauxite residue (red mud).

The invention relates to the field of comprehensive utilization of resources, and discloses a method for comprehensively utilizing high-iron bauxite, which comprises the following steps of: grinding the high-iron bauxite into fine ore, and uniformly mixing the fine ore with a binder and water to form pellets; drying the made pellets at the temperature of 200-300 DEG C until the water content is below 1%; the dried pellets are added into an electric arc furnace and heated to 1500-1600 DEG C for melting, a molten pool is formed, hydrogen is introduced into the molten pool, and molten iron and slag are generated; the molten iron is used for steelmaking or made into castings, and the slag is used for separating and extracting Al2O3, Fe2O3 and SiO2 after water quenching. The high-iron bauxite is reduced through hydrogen, CO2 is not generated, carbon pollution is avoided, after iron is extracted, slag is subjected to water quenching, aluminum, silicon, iron and other components are separated and extracted, various components in the high-iron bauxite can be fully recycled, the recovery rate is high, the comprehensive utilization degree is high, and waste is little.

The invention relates to the technical field of improvement of data accuracy, in particular to a method for improving accuracy of bauxite ore component detection data, which comprises the following specific steps: (1) sampling: sampling by adopting a dynamic sampling method; (2) sample division operation; (3) detection operation: detecting and analyzing main component indexes and test component data values of bauxite by using an NIR technology online detection intelligent analysis system; (4) checking data; and (5) after data comparison, the deviation rates of all aluminum and effective aluminum of the ore are both smaller than four thousandths and are far lower than laboratory analysis permissible difference, and ore matching can be completely guided. The method has the advantages that 84 groups of data are obtained for nearly 3 months, results show that the data obtained by the method is matched with the data obtained by the original method, the maximum deviation rate is only 2.90%, the data stability is better, and the index condition of the total ore component grade can be objectively reflected.

The preparation process comprises the following steps: uniformly mixing 80-90 parts by mass of fused mullite, 1-2 parts by mass of modified ZrSiO4 fine powder, 5-8 parts by mass of alpha-Al2O3 fine powder, 2-4 parts by mass of silicon powder, 3-5 parts by mass of aluminum powder and 3-5 parts by mass of mullite microsphere powder, adding 5-8 parts by mass of a binding agent, and uniformly mixing to obtain pug; the preparation process of the mullite microspheres comprises the following steps: mixing bauxite, feldspar and silica powder, adding water, grinding into slurry, carrying out spray drying, sintering, and rapidly cooling after sintering; the pug is sealed and stacked for 12-24 h and then subjected to high-pressure forming, and a blank is obtained; and gradually heating the blank to 120 DEG C, drying for 24-48 hours, and firing and molding. The ultralow-porosity anti-erosion brick is low in porosity and good in anti-erosion performance.

A reactor vessel that converts aluminum ores to aluminum is provided. The reactors uses hydrogen with bauxite and with alumina to convert to oxide and reduced metal, respectively, within one facility as opposed to traditional methods which might require at least three facilities. The process efficiently uses and recycles heat and materials to increase energy-efficiency and to self-sustain two out of three species needed for the conversion. Using electrolysis and hydrogen for operations, results in a process that generates no greenhouse gases.

The invention discloses an enhanced high-temperature wear-resistant refractory castable. Comprising the following raw materials in parts by weight: 84.5 to 93.6 parts of high bauxite, 21.4 to 25.3 parts of andalusite, 32.5 to 37.8 parts of silicon oxide micro powder, 23.8 to 26.2 parts of silicon nitride micro powder, 6.8 to 9.2 parts of aluminum triphosphate, 6.3 to 10.5 parts of aluminum oxide micro powder, 1.5 to 3.2 parts of attapulgite clay, 11.5 to 22.4 parts of calcium aluminate cement, 15.6 to 18.4 parts of modified short-cut basalt fiber, 5.7 to 6.5 parts of a water reducing agent and 1.5 to 3.2 parts of silica sol. The invention also discloses a preparation method of the enhanced high-temperature wear-resistant refractory castable. The high bauxite and the andalusite are combined as the aggregate, the weight and the heat conductivity of the castable are reduced, the strength of the castable is improved, the modified chopped basalt fiber has the advantages of light volume weight, high temperature resistance, good heat stability, low heat conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion and good heat insulation performance, and the compactness of the castable is further enhanced.

The invention discloses a low-temperature fast-fired anti-cutting and anti-cracking rock plate. The rock plate comprises a green body layer, a ground coat layer, a decorative layer and a glazed layer which are sequentially arranged from bottom to top, the green body layer is prepared from the following raw materials in parts by mass: 2 to 4 parts of bentonite, 8 to 12 parts of bauxite, 3 to 5 parts of magnesia soil, 22 to 28 parts of waste brick powder, 8 to 12 parts of washed mud, 22 to 26 parts of bluestone and 21 to 25 parts of yellow sand; the waste brick powder is prepared from the following chemical components in percentage by mass: 65 to 66 percent of SiO2, 18 to 19 percent of Al2O3, 1.7 to 1.8 percent of Fe2O3, 0.50 to 1 percent of TiO2, 0.5 to 0.7 percent of CaO, 1.7 to 1.8 percent of MgO, 1.9 to 2 percent of K2O and 2 to 2.1 percent of Na2O; the bluestone is prepared from chemical components in percentage by mass as follows: 70%-71% of SiO2, 14%-14.5% of Al2O3, 3.0%-3.2% of Fe2O3, 0.2%-0.3% of TiO2, 1%-1.1% of CaO, 1.2%-1.4% of MgO, 1.3%-1.5% of K2O, 3.8%-4.0% of Na2O and the balance of ignition loss. According to the low-temperature fast-firing anti-cutting rock plate provided by the invention, on the premise of realizing low-temperature fast firing, the anti-cutting performance and the strength are improved.

The utility model relates to a wet-process vacuum mud extrusion forming device for sintered bauxite in the technical field of forming equipment. The wet-process vacuum mud extrusion forming device comprises a vacuum mud extruder, an arc-shaped baffle is fixed to a discharging port of the vacuum mud extruding machine, a mud outlet corresponding to the discharging port is formed in the arc-shaped baffle, and the arc-shaped baffle is matched with a forming assembly. The forming assembly comprises an upper rotary disc and a lower rotary disc, a fixing ring is arranged between the upper rotary disc and the lower rotary disc, and the lower rotary disc is connected with a stepping motor. The forming device has the advantages that materials discharged by the vacuum mud extruding machine can be shaped, continuous operation without shutdown can be achieved, the forming device is simple in structure and convenient to operate, the production efficiency is improved, the production cost is reduced, the production cost is reduced, and the production efficiency is improved. The forming efficiency is improved; the formed materials can be sequentially conveyed to the next procedure through the belt conveyor, the formed materials are high in stability and convenient to place, and follow-up efficient production is facilitated.

The invention relates to a resourceful treatment method for a bauxite ore washing tail mud reservoir, which comprises the following specific steps: 1, carrying out cyclone classification on tail mud in the tail mud reservoir, and separating out coarse particles with A / S greater than or equal to Y and A / Slt; and Y fine particles. And 2, carrying out flotation treatment on the coarse particles. And potassium carbonate is added as a dispersing agent and a pH value adjusting agent, the pH value of the ore pulp is adjusted to 8.0-10.5, then sodium oleate is added as a collecting agent, and finally bauxite concentrate and flotation tailings are obtained. And 3, dehydrating the fine particles to obtain dehydrated tail mud with the water content of less than or equal to 20%. And 4, adding the flotation tailings and the dehydrated tail mud into a curing agent or a soil conditioner to form cultivable soil which is used for ecological restoration of the stony desertification area. Potassium carbonate is used for replacing sodium carbonate to reinforce flotation, so that tailings can be used as potassium-rich cultivation soil; the dam break risk can be eliminated after the tail mud is dehydrated; tailings and fine particles are compounded to form cultivation soil to treat stony desertification, silicon fertilizer is synchronously produced, the annual income is larger than or equal to 0.3 million yuan, and safe, resource and ecological cooperative treatment is achieved.

The invention discloses a medium and low temperature preparation method of refined steel slag-titanium gypsum based low-carbon sulphoaluminate cement and a cement product. The method comprises the following steps: S1, drying and grinding: drying, grinding and sieving four raw materials, namely refined steel slag, titanium gypsum, carbide slag and bauxite, and storing in parts by weight for later use; s2, proportioning and homogenizing: mixing and homogenizing 13-20 parts of refined steel slag, 20-28 parts of titanium gypsum, 30-40 parts of carbide slag and 25-32 parts of bauxite by using a mixer; s3, calcining the raw material: tabletting the raw material, calcining at 1250-1300 DEG C, and keeping the temperature for 30-60 minutes to obtain cement clinker; s4, grinding the clinker: grinding and sieving (0.075 mm); and S5, doping desulfurized gypsum: doping 5-10% wt of desulfurized gypsum into 95-90% wt of cement clinker, and uniformly mixing to obtain a cement finished product. Two industrial solid wastes of the refined steel slag and the titanium gypsum can be used at the same time, calcium and siliceous substances in the refined steel slag and sulfur (dihydrate gypsum) and iron substances in the titanium gypsum are fully utilized, utilization of solid waste resources is achieved, and meanwhile emission of carbon dioxide is reduced.

The invention provides a ceramsite proppant as well as a preparation method and application thereof. The method comprises the following steps: grinding a coal gangue raw material, pre-sintering, cooling and then grinding again; grinding the tungsten tailing sand, the low-grade bauxite, the carbide slag and the clay; grinding after mixing the raw materials; the raw materials comprise 45-60 parts of low-grade bauxite, 20-35 parts of pre-sintered coal gangue, 15-20 parts of tungsten tailing sand, 1-5 parts of carbide slag and 7-14 parts of clay; the total amount of the low-grade bauxite, the pre-sintered coal gangue and the tungsten tailing sand is 100 parts; granulating and drying; carrying out first sintering at 800-950 DEG C; second sintering is conducted at the temperature of 1050-1200 DEG C; and naturally cooling to obtain the ceramsite proppant. The technical problem to be solved is how to realize high-valued utilization of mine solid waste and low-grade bauxite, reduce dependence on high-quality bauxite and production cost, reduce sintering energy consumption and carbon emission, reduce product body density and improve key performance such as strength and sphericity of the proppant by optimizing raw material combination and a preparation process. And the requirements of oil and gas field fracturing operation are met.

The invention relates to a method for improving molten steel aluminum content detection precision, and belongs to the technical field of molten steel aluminum content detection.The method comprises the following steps that converter tapping silicon carbide is subjected to pre-deoxidation; and adding ferrosilicon for alloying, and adding an aluminum block for deoxidizing and refining. During deoxidation refining, the basicity of the slag is controlled to be 0.5-0.6, the white slag atmosphere is kept for more than 10 minutes, 0.5-1.5 kg / t of bauxite and 0.5-1.0 kg / t of magnesia are added during refining outbound, the content of aluminum oxide and MgO in the slag is increased, and the content of TFe + MnO in the outbound slag is controlled to be smaller than or equal to 2%. A pail sampler with the specification of 40mm * 120mm is selected to sample molten steel, and the depth of the pail sampler inserted into the molten steel is controlled to be 230-250mm. After sampling, uniformly cooling the pail sampler in a 20-DEG C cooling device to obtain a sample A; the method realizes accurate control of aluminum in molten steel, meets the quality requirements of products, and has the characteristics of high detection precision, good detection effect and high sample aluminum content uniformity, thereby improving the performance of the products.

Methods and systems for recovering and reusing conductive additives for flash Joule heating. The conductive additive or flash Joule heated material utilized, such as electronic waste, ore, fly ash, soil, and / or bauxite slag, may be recovered at high recovery yields higher than 85%, and then may be reused for additional flash Joule heating processes. The conductive additive may be separated from the product of the flash Joule heating process, such as by screening or by centrifugation, filtration, and drying.

The invention discloses a method for increasing the content of iron oxide in red mud. Compared with the prior art, the method has the following beneficial effects: the problems of high ore consumption caused by insufficient recovery of AL2O3 dissolved out from the laterite type high-iron low-silicon guineite at low temperature, influence on system efficiency, energy consumption and product quality due to harsh desilicication conditions, incapability of realizing full-quantitative utilization of red mud and low comprehensive utilization degree of resources are solved; comprising the following steps: preparing materials: obtaining red mud ore pulp, diluting and separating the red mud ore pulp, adding an auxiliary agent into diluted and separated underflow, and adding mother liquor for secondary adjustment to obtain red mud slurry; dissolving out at high temperature; heating the red mud slurry to a preset temperature T1, and maintaining for 1-2 hours at the preset temperature T1; filtering the slurry; and diluting and separating the slurry subjected to high-temperature dissolution treatment.

The invention discloses a cooperative detection method for bauxite quality parameters based on TC-Unet, and belongs to the field of bauxite quality parameter detection and artificial intelligence. In order to solve the problem that bauxite quality parameters cannot be detected in a lossless and efficient manner, the method comprises the following steps: establishing a sample database by utilizing collected bauxite near infrared spectrum data and standard values of corresponding samples; removing abnormal values by using a mahalanobis distance; carrying out spectrum pretreatment by adopting standard normal transformation; a TC-Unet-based bauxite quality parameter collaborative detection model is constructed, and the model can be used for simultaneously analyzing quality parameters of aluminum oxide, silicon dioxide and iron oxide in bauxite. Compared with single quality parameter detection, the method has the advantages that on the basis of the correlation among the three quality parameters, the model is used for extracting the corresponding common features among the three quality parameters, and the robustness of the model and the precision of bauxite quality parameter detection are improved.

The invention relates to the technical field of transportation equipment, in particular to an aluminum oxide production raw material conveying assembly which comprises a main conveying belt and an auxiliary conveying belt which are obliquely installed in an attached mode through a supporting assembly. The main conveying belt is located at the bottom and used for conveying crushed bauxite to the screening machine, and the auxiliary conveying belt is located at the top and used for receiving and returning over-specification materials separated by the screening machine and serves as a dustproof mechanism to cover the main conveying belt. Side eaves plates are arranged on the main conveying belt and the auxiliary conveying belt, and main push plates and auxiliary push plates are arranged on the side eaves plates of the main conveying belt and the auxiliary conveying belt at intervals; the auxiliary push plate is of a hollow structure, guide grooves are formed in the two sides of the auxiliary push plate, a pop-up sealing plate is installed in the guide grooves through a support, and the bottom of the support is connected with a pop-up piece. A magnetic base is arranged at the bottom of the auxiliary conveying belt, and when the auxiliary pushing plate rotates to the position attached to the main pushing plate along with the auxiliary conveying belt, the magnetic base triggers the closing plate to pop out and be in sealed connection with the two sides of the main pushing plate; the purpose of dynamically sealing to reduce flying dust during bauxite conveying is achieved.

The invention provides a bauxite resource prediction analysis method and system, and relates to the technical field of resource prediction. Performing distortion correction on the earth surface remote sensing image according to the digital elevation data of the target bauxite to obtain an earth surface remote sensing correction image, performing image masking on the earth surface remote sensing correction image to obtain an earth surface remote sensing mask image, and extracting earth surface resource distribution characteristics from the earth surface remote sensing mask image; obtaining geological exploration data of the target bauxite, generating an ore body three-dimensional distribution model through the surface resource distribution characteristics and the geological exploration data, obtaining a bauxite database, and constructing a metallogenic knowledge graph of the bauxite according to the bauxite database; the ore body grade is predicted according to the ore body three-dimensional distribution model and the mineralization knowledge graph of the bauxite, and ore body grade prediction information is obtained, the quality of remote sensing images can be improved, the complementarity of data is enhanced, and the reliability of bauxite resource prediction is improved.

An online detection method for a bauxite component, and a related device. The method comprises: controlling an LIBS system to collect n pieces of actual spectral data from bauxite to be tested on a preset-speed conveyor belt; performing a preset processing operation on the n pieces of actual spectral data, so as to acquire a set of preprocessed actual spectral data; calculating a screening distance between each piece of preprocessed actual spectral data in the set of preprocessed actual spectral data and a bauxite category spectrum, and adding, to an effective spectral data set, the preprocessed actual spectral data with the screening distance less than or equal to a preset distance, wherein the bauxite category spectrum is obtained by measuring a standard sample with known components on the basis of a static mode; using the average value of the first m pieces of spectral data in the effective spectral data set as actual continuous transmission spectral data; and inputting the actual continuous transmission spectral data into an optimal model, so as to acquire a bauxite component corresponding to each piece of spectral data.

The invention discloses high-strength and high-impermeability aluminate cement and a preparation method thereof, particularly relates to the technical field of cement, and relates to the high-strength and high-impermeability aluminate cement and the preparation method thereof. The high-strength and high-impermeability aluminate cement is prepared from the following raw materials in parts by weight: 48 to 55 parts of bauxite, 10 to 15 parts of modified forsterite, 3 to 5 parts of aluminum borate, 12 to 15 parts of limestone, 8 to 10 parts of gypsum, 4 to 6 parts of titanium dioxide, 2 to 3 parts of lithium carbonate and 2 to 3 parts of silica fume. The microstructures formed under the guidance of the biomineralization template agent effectively reduce the porosity and aperture in the cement, reduce permeation channels of moisture and harmful media, and improve the impermeability of the cement.