462 results about "Mineral matter" patented technology

The invention discloses coal gangue-based artificial ecological soil and a preparation method and application thereof, and belongs to the technical field of ecological improvement, the coal gangue-based artificial ecological soil comprises crushed coal gangue and a compound microbial agent, and the compound microbial agent comprises a microbial activating agent and a microbial passivating agent. According to the invention, the coal gangue can be quickly decomposed through the microbial activating agent, useful mineral elements in the coal gangue can be fully activated and analyzed, and the effect of activating a nutrient library in the coal gangue is achieved, so that useful trace elements contained in the coal gangue are effectively released and are easily absorbed by plant growth; meanwhile, harmful heavy metal elements in the coal gangue are passivated through the microbial passivating fungicide, the water-retaining property and the air permeability of the soil are guaranteed by controlling the decomposition particle size proportion of the coal gangue, the soil conditioner can be used for ecological restoration, desert control, agriculture and animal husbandry planting, flower and nursery planting and urban landscaping, the effects of improving the soil and promoting plant growth are achieved, and the soil conditioner is suitable for large-scale popularization and application. The application is wide.

The present invention relates to the field of mine surveying and mapping technology, and in particular to a mine surveying and mapping method and system based on unmanned aerial vehicle remote sensing technology, the method comprising: obtaining terrain data of a mine; generating a flight trajectory of an unmanned aerial vehicle; using an unmanned aerial vehicle to collect image data and hyperspectral data of the mine; constructing a three-dimensional surface model of the mine; obtaining geological structure data and mineral distribution data of the mine; and generating a three-dimensional structural model of the mine based on the geological structure data, mineral distribution data and the three-dimensional surface model. The present invention generates a flight trajectory of an unmanned aerial vehicle to ensure that the unmanned aerial vehicle takes photos at a reasonable flight altitude and speed in different areas, thereby reducing repeated coverage and maximizing regional coverage. By generating a three-dimensional structural model, detailed geological structure and mineral distribution data can be obtained without actually entering the mining area, greatly reducing the safety risks and economic costs that may be caused by on-site surveys.

The invention provides a method for realizing dynamic balance of source water minerals based on ion coordinated regulation and control, and belongs to the technical field of water treatment. According to the method, multi-parameter coupling regulation and control are achieved by conducting split-flow pretreatment on source water and building a dynamic synergistic coefficient model, the source water is separated to prepare calcium-magnesium compensation liquid, the ion concentration and the water temperature are monitored in real time, and a synergistic coefficient model fusing ion activity factors and the temperature effect is built; a fuzzy PID controller is used for dynamically analyzing pH fluctuation and collaborative deviation to adjust the injection proportion of compensation liquid, and precise mineralization is achieved by combining turbulence mixing intensity optimization; a closed-loop feedback mechanism and a high-frequency liquid supplementing technology are adopted to quickly correct ion concentration deviation, and the dissolution activity of compensation liquid is differentially regulated and controlled through a reverse temperature difference strategy so as to stabilize pH. According to the method, the ion synergistic effect, dynamic algorithm control and dissolution kinetics optimization are combined, the response speed and balance precision of water quality regulation are improved, and the method is suitable for precise mineral regulation and quality optimization of high-quality drinking water.

The invention relates to the technical field of coal bed gas development and gas extraction, in particular to an electrodialysis-liquid CO2 time sequence synergistic anti-reflection method and system. Comprising an electrodialysis pretreatment stage, a CO2 synergetic permeability increasing stage and a process regulation and energy recovery stage, a mixed solution is injected into a coal seam in a pulse injection mode, and energy recovery is conducted through pipeline fluid pressure in the injection stopping period. According to the technical scheme, through multi-stage cooperation of electrodialysis pretreatment, CO2 phase change fracturing and pulse consolidation and regulation, accurate transformation of the coal seam low-permeability area is achieved. According to the scheme, electrodialysis is utilized to drive an acidic working solution to target and migrate to a difficult-to-permeate area, mineral substances are dissolved, and pores are expanded; then, high-energy expansion stress is generated through liquid CO2 phase change, and a through fracture network is formed; and finally, a pulse injection and energy recovery mechanism is adopted, fracture closing is restrained, system energy consumption is reduced, and therefore the coal seam breathability and the gas extraction efficiency are integrally improved.

The invention provides a comprehensive evaluation method for dissemination characteristics of minerals in coal of different particle sizes, and relates to the field of coal quality analysis. The method comprises the following steps: collecting coal analysis samples of different size fractions, and preparing coal polished sections of all the size fractions; the method comprises the following steps: collecting microscopic images, and constructing a representative microscopic image sample database of each size fraction; carrying out size fraction judgment, generating a component segmentation image on a single particle and a component segmentation image on a microscopic image, and extracting dissemination characteristic parameters of mineral substances in coal of each size fraction; key parameters are screened out, and comprehensive evaluation is carried out on the dissemination characteristics of the minerals in the coal of different size fractions. According to the method, an image processing technology and multivariate statistical analysis are combined, and qualitative and quantitative analysis of the dissemination characteristics of the minerals in the coal is achieved. Compared with an existing microscopic image analysis method, the method has the advantages that the human subjective influence and the labor intensity are remarkably reduced, and the analysis result has higher objectivity and reproducibility.

The invention belongs to the field of petroleum and natural gas engineering, particularly relates to a method and a system for converting XRF logging elements and mineral content, and aims to solve the problems of long time for judging the mineral content by XRD and low cost performance. The method comprises the steps that XRF logging element and XRD mineral content detection is conducted on a coring sample according to the well depth, and XRF logging element detection data and XRD mineral content detection data are obtained; classifying minerals corresponding to the coring samples to obtain mineral types, extracting elements of the mineral types, and screening the elements to obtain characteristic elements; performing linear regression analysis on the XRF logging element detection data corresponding to the characteristic elements and the XRD mineral content detection data corresponding to the characteristic elements to obtain mineral content models of different mineral types; and substituting XRF logging element data of any well depth into the model to obtain the mineral type content of the well depth. According to the method, the mineral type content can be judged according to the XRF logging elements.

The utility model relates to a mineralization system and mineralization equipment. The mineralization system comprises a driving module, an extraction module, a heating module and a water storage module, one end of the driving module is connected with a preset water inlet pipeline, the other end of the driving module is connected with a water inlet of the extraction module through the heating module, and a water outlet of the extraction module is connected with the water storage module through the driving module; when the mineral water is extracted, the preset water body is heated, hot extraction is achieved, the mineral water with the preset concentration can be stably produced, the mineral water is stored in the water storage module, the mineral water with the target concentration is provided according to the target water taking instruction, and the water taking requirements of users for mineral water with different concentrations can be flexibly met.

The invention discloses a self-repairing synchronous grouting material and a preparation method thereof, and belongs to the technical field of grouting materials. The self-repairing synchronous grouting material comprises a cement base material, a microbial capsule and chitosan calcium salt, the concrete comprises the following raw materials in parts by mass: 7-12 parts of Portland cement, 20-28 parts of fly ash, 40-55 parts of quartz sand, 20-30 parts of water, 2-7 parts of bentonite, 1-5 parts of microbial capsules and 1-5 parts of chitosan calcium salt. The self-repairing synchronous grouting material disclosed by the invention is combined with a microorganism self-repairing technology, and mineral substances such as calcium carbonate and the like can be generated through metabolic activity of microorganisms when the material has cracks, so that the cracks are automatically filled, and expansion of the cracks on the surface of a concrete material can be effectively prevented; the grouting material can continuously repair microcracks caused by environmental changes or construction stress in the long-term use process, and the integrity and stability of the structure are kept.

In one aspect, the disclosure relates to a method for recovering critical minerals from a solution, the method comprising: (a) providing a critical mineral solution comprising at least one critical mineral and water; (b) contacting the critical mineral solution with an acid or a base in an amount sufficient enough to adjust the pH to a value of about 2 to about 7; (c) contacting the critical mineral solution with a first modified biochar, forming a first saturated biochar; and (d) desorbing the first saturated biochar, thereby forming a first critical mineral precipitate, a first stripped biochar, and a first aqueous phase. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

The invention relates to a composite metasilicic acid mineralized filter element profile as well as a preparation method and application thereof, and relates to the technical field of water purifiers, the composite metasilicic acid mineralized filter element profile is prepared from the following raw materials in parts by weight: 60 to 80 parts of metasilicic acid mineralized carbon material and 20 to 40 parts of bonding material; the metasilicic acid mineralized carbon material is prepared from the following raw materials in parts by weight: 30-60 parts of metasilicic acid mineralized powder, 30-60 parts of activated carbon powder, 0.3-2 parts of an antibacterial agent, 0.2-1 part of a pore forming agent and 0.5-5 parts of a stabilizer. According to the composite metasilicic acid mineralization filter element profile provided by the invention, the formula of the filter material is designed, so that the composite metasilicic acid mineralization filter element profile has a good specific surface area, the contact area between active ingredients such as mineralization materials and water is ensured, the composite metasilicic acid mineralization filter element profile not only has the adsorption, harm removal and impurity removal functions of activated carbon, but also can separate out mineral substances, and is beneficial to realizing stable release of metasilicic acid.

The invention relates to the technical field of soil remediation, and particularly discloses a soil remediation agent containing construction waste resourceful treatment substances as well as a preparation method and application of the soil remediation agent. The soil remediation agent disclosed by the invention is prepared from 1.5 to 2.5 parts of construction waste resourceful treatment substances, 0.1 to 0.3 part of mineral substances and 0.6 to 1.0 part of modified kaolin, the preparation method of the construction waste resourceful treatment substance comprises the following steps: performing magnetic separation and winnowing purification on construction waste, crushing, pyrolyzing, soaking in an activating solution, filtering, drying and grinding to obtain the construction waste resourceful treatment substance. A preparation method of the modified kaolin comprises the following steps: uniformly mixing kaolin, corn starch and water, adding compound bacteria, uniformly mixing, fermenting, drying and grinding, thereby obtaining the modified kaolin. The compound bacteria are prepared from bacillus subtilis and bacillus laterosporus. By utilizing the soil remediation agent provided by the invention, the content of available cadmium in soil can be effectively reduced, so that the production safety of plant planting is improved, and the yield of plants can be effectively increased.

The invention provides a process method for preparing nanoscale ultra-pure coal by a one-step method, which comprises the following steps: (1) feeding raw material coal into a steam mill, introducing superheated steam into the steam mill in the presence of an agglomeration agent, performing high-speed collision crushing on the superheated steam and the raw material coal, and then separating; (2) the separated materials are separated through a cyclone separator, mineral substances are discharged from the top of the cyclone separator along with steam, coal granules are obtained at the bottom of the cyclone separator, and after the coal granules are dried through hot steam, nanoscale ultra-pure coal powder and an agglomeration agent are obtained; wherein the temperature of the superheated steam ranges from 280 DEG C to 350 DEG C, and the temperature of an outlet of the steam mill ranges from 130 DEG C to 180 DEG C; the boiling point of the agglomeration agent is 180-300 DEG C. According to the method, the temperature difference of the inlet and the outlet of the steam mill is utilized, combination and separation of the superfine pulverized coal and the agglomeration agent are achieved, the technological process is simplified, meanwhile, direct heat exchange is achieved in the evaporation and condensation processes of the agglomeration agent, and the heat efficiency of the whole process is improved.

The invention discloses a coal lithofacies detection device and method, and relates to the technical field of maceral detection, the coal lithofacies detection method comprises the steps of coal rock X-ray plate preparation and microscopic observation, in the coal rock X-ray plate preparation step, crushing, screening, mixing, shaping and surface treatment are performed on a coal sample to form a coal rock X-ray plate; in the microscopic observation step, microscopic components and mineral substances in the coal rock polished section are observed and analyzed to judge the lithofacies type of the coal. According to the coal lithofacies detection device and method provided by the invention, the metamorphism degree, the combustion characteristic, the chemical reactivity, the processability and the like of coal are evaluated by analyzing the maceral components, the mineral components and the contents of the maceral components and the mineral components of the coal; in the coking process, coal blending is carried out based on the lithofacies of the coal, so that the proportions of different coal types can be more accurately blended, the optimal coal blending scheme is selected, combustion is more economical and effective, the calorific value of the coal and the yield of coke are increased, and the ash content and the sulfur content of the coke are reduced.

Systems and methods are provided for multiplexed extraction of target minerals from a variety of separate or combined desalination brines and / or wastewater sources. The use of multiple pretreatment, extraction, and posttreatment apparatuses with intelligent, directed flow control can allow for a single system to extract multiple target minerals. Improved extraction methods including zwitterionic simulated moving bed chromatography with target-specific zwitterions can allow for improved extraction efficiency and recovery rates with a dramatically reduced environmental footprint compared to existing methods.

The invention relates to the technical field of oil and gas well wall stability and fracturing yield increase development, in particular to a deep high-temperature rock statistical damage constitutive model construction method which comprises the following steps: performing mineral component and microstructure analysis on a deep rock core by adopting XRD (X-Ray Diffraction) and SEM (Scanning Electron Microscope) technologies, and performing quantitative statistics on mineral content to obtain a deep high-temperature rock statistical damage constitutive model. The method comprises the following steps: acquiring rock brittleness and plasticity characteristic basic data, performing a triaxial compression test by adopting a high-temperature triaxial compressor, and establishing a constitutive model capable of reflecting deep high-temperature rock damage; according to the mechanical characteristics of the deteriorated rock due to temperature rise, the provided model is verified to accurately simulate stress-strain curves of a sample in each stage of a single axis and a conventional three axis under different temperatures and confining pressures, the rationality of indexes is verified, and the deep high-temperature rock statistical damage constitutive model is obtained. The method solves the problem that in the prior art, a statistical damage constitutive model capable of accurately reflecting stress-strain characteristics of the deep high-temperature rock at each stage of a single axis and a conventional three axis under different temperatures and confining pressures is lacked.

Systems and methods are provided for multiplexed extraction of target minerals from a variety of separate or combined desalination brines and / or wastewater sources. The use of multiple pretreatment, extraction, and posttreatment apparatuses with intelligent, directed flow control can allow for a single system to extract multiple target minerals. Improved extraction methods including zwitterionic simulated moving bed chromatography with target-specific zwitterions can allow for improved extraction efficiency and recovery rates with a dramatically reduced environmental footprint compared to existing methods.

The invention discloses a method for preventing and controlling acidification of a sugarcane field and promoting nitrogen fixation of sugarcanes. The method comprises the following steps: preparing soil; a soil conditioner is applied before sugarcane planting, and the soil conditioner is prepared from, by weight, 40-70 parts of waste papermaking pulp, 0.03-0.05 part of fermentation complex microbial inoculants, 10-20 parts of mineral clay, 20-30 parts of organic matter fertilizer, 10-20 parts of inorganic fertilizer and 3-5 parts of pyroligneous liquor; alfalfa and sesbania are interplanted, alfalfa planting rows are formed between sugarcane rows, after alfalfa is sown for 30-40 days, sesbania planting rows are formed between the alfalfa rows, and after alfalfa is sown for 90-110 days, alfalfa and sesbania are turned and pressed into soil; a slow-release water absorbent is applied in the tillering stage and the elongation stage of the sugarcane, and the slow-release water absorbent is prepared from, by weight, 20-30% of polypropylene, 30-40% of shell powder, 20-45% of vermiculite and 5-10% of straw residues. The fertilizer effectively prevents and controls acidification of a sugarcane field, promotes nitrogen fixation of sugarcane, improves soil structure, reduces hardening of acidified soil, improves air permeability of soil, improves microbial activity, reduces poison of aluminum and manganese, improves yield and quality of sugarcane, and promotes nitrogen fixation of sugarcane.

A soil conditioner belongs to the technical field of soil improvement, and comprises, by mass, 8-12 parts of chitosan oligosaccharide, 2-3 parts of cellulose oligosaccharide, 5-10 parts of alginate oligosaccharide, 2-6 parts of licorice oligosaccharide, 30-40 parts of humic acid, 5-8 parts of a microbial agent, 10-20 parts of minerals, and 5-10 parts of manganese oxide modified charcoal. According to the invention, oligosaccharide is used as an inducer, humic acid is used for constructing a soil skeleton, microorganisms are used for realizing nutrient circulation, and mineral substances and manganese oxide modified charcoal are used for providing long-acting support, so that biostimulation is used as a guide, the soil structure is adjusted, microbial flora is improved, and the crop yield is increased; the heavy metal polluted soil condition is improved.

The application discloses a kind of water cup of preparation hydrogen-rich mineral water and its using method, it is related to water cup technical field.The cup body, cup cover assembly, ceramic mineralization ball filter material, base assembly and hydrogen production assembly are included.When hydrogen-rich mineral water is prepared, first, the water cup is vertically erected, water is injected into the cup body not more than the highest water level line, ensure that water does not contact ceramic mineralization ball filter material, hydrogen production assembly is started at this time to produce hydrogen, when hydrogen production ends, the water in the cup body becomes hydrogen-rich water containing hydrogen gas;Then, the cup body is inverted, hydrogen-rich water seeps into the mineralization cavity through the opening at the bottom of the mineralization cavity to soak the ceramic mineralization ball filter material containing a variety of mineral trace elements, the mineral trace elements in the ceramic mineralization ball will dissolve into hydrogen-rich water, and hydrogen-rich mineral water is obtained, and users can very simply obtain healthy hydrogen-rich mineral drinking water.

The invention discloses a method for evaluating the coal quality level by using coal coke lithofacies detection indexes, which comprises the following steps: S1, measuring the macerals of coal, including the mineral content and the active-inert ratio; s2, measuring coke optical structure indexes of the coal, wherein the coke optical structure indexes comprise an inlaid structure, an anisotropic silk structure and a fragment structure with the coke optical isochromatic zone size of 0-10 microns; s3, calculating an optical tissue coefficient (OTI); and S4, evaluating the coal quality according to the evaluation standard. According to the method, the accuracy and reliability of coal quality evaluation are improved, so that coal quality misjudgment of coal types with various metamorphic degrees is avoided, coal quality resources are reasonably utilized, and high-quality resources are saved and the coal blending cost is reduced on the premise of ensuring the metallurgical performance of coke.

The invention relates to a method for preparing a silicon-calcium-containing organic fertilizer from coal gasification slag and the silicon-calcium-containing organic fertilizer, and the method comprises the following steps: mixing coal gasification slag powder with an activator and water to obtain gasified slag slurry, and carrying out hydrothermal activation reaction on the gasified slag slurry; carrying out solid-liquid separation on a reaction product of the hydrothermal activation reaction, and carrying out forming treatment and drying treatment on a filter cake obtained by separation to obtain the silicon-calcium organic fertilizer. According to the method, carbon residues in the coal gasification slag can be converted into the organic fertilizer, meanwhile, rich but inert mineral elements such as Si, Al, Ca and K in the coal gasification slag are converted into the effective-state silicon-calcium organic fertilizer capable of being absorbed and utilized by plants, so that organic components and inorganic components in the gasification slag are synchronously activated and efficiently utilized, waste is turned into fertilizer, and the environment is protected. And the discharge of solid wastes can be reduced while the high-quality organic fertilizer is prepared.

The present invention discloses the system and method of preparation of a surface-modified crystalline blend to enhance the properties of water by optimizing its mineral composition, alkalinity, and bioavailability. The crystalline blend comprises Tourmaline, Shungite, Jade, Silica, Zeolite, Lava Stones, and Calcareous Shale, with additional minerals like Maifan, Calcite, and Dolomite to enhance water quality. The invention utilizes Bioactive Crystal Resonance Technology (BCRT), wherein individual minerals are heated below their phase transition temperature to activate them while maintaining their crystalline state providing controlled activation and ensuring a regulated release of beneficial minerals, preventing excessive increases in pH or TDS levels while significantly reducing heavy metal leaching. The system includes a perforated membrane leveraging irregularly shaped crystals ranging from 0.5 to 5mm, allowing water to interact with the modified minerals to restore essential nutrients, increase hydration efficiency, improve detoxification, alkaline water, and provide antioxidant benefits.

The invention provides a household appliance type desalination direct drinking machine suitable for remote islands, and belongs to the technical field of seawater desalination, the household appliance type desalination direct drinking machine comprises a main machine and an external air cooling radiator, and the main machine 1 is provided with an evaporation condensation system, a water quality mineralization system and an intelligent control system. The evaporation condensation system is used for condensing and collecting water in the seawater after changing the water into a gas state, so that the desalting effect is achieved; the water quality mineralization system is used for mineralizing the produced distilled water into mineralized water and supplementing mineral substances beneficial to a human body and lacking in the distilled water; the intelligent control system enables a user to conveniently control opening and closing of the device, achieves the functions of automatic stop and the like when the device is full of water, and provides guarantee for safe operation of the device. The seawater is desalted through the processes of evaporation and condensation, collection and mineralization and direct drinking water supply, and mineralized direct drinking water is produced for users to use; the method is easy to operate and suitable for common family users; the structure is compact, and movement and arrangement in a family environment are facilitated; the intelligent degree is high, and the functions of remote control, automatic operation and the like can be achieved.

A centrifuge for separating minerals by specific gravity is disclosed. The centrifuge rotates to circulate slurry across a collection region and to subject slurry in the collection region to centripetal forces that facilitate stratification within the collection region by the specific gravity of the constituent minerals of the slurry. Energy, such as acoustic energy, is coupled with the collection region and enhances the stratification by specific gravity within the collection region.

The invention discloses a method for preparing landscaping planting soil from phosphorus chemical solid waste, and belongs to the technical field of resource recycling. The method comprises the following steps: (1) drying, crushing and harmlessly treating phosphate tailings, phosphogypsum and flotation residues; (2) decomposing the organic manure; (3) mixing and aging the raw materials; and (4) granulating. Heavy metal pollution is reduced through innocent treatment, the soil structure is improved by combining organic matter, microorganisms and mineral substances, the nutrient release efficiency and the water-retaining property are remarkably improved, the obtained soil meets the landscaping requirement, and dual improvement of solid waste recycling and ecological benefits is achieved.

The invention discloses a mineral substance feeding device. The mineral substance feeding device comprises a shell, a large particle separation bin, a medium particle separation bin, a small particle separation bin, a vibration separation mechanism and a material lifting and moving mechanism. The vibration separation mechanism comprises a vibration separation bracket, a material guide basin, a large particle separation sieve plate, a medium particle separation sieve plate and a vibration rotating mechanism; the vibration rotating mechanism drives the material guide basin, the large particle separation sieve plate and the medium particle separation sieve plate to vibrate and rotate; the large-particle separation sieve plate is used for separating large-particle mineral substances and throwing the large-particle mineral substances into the large-particle separation bin through rotary centrifugation, and the medium-particle separation sieve plate is used for separating medium-particle mineral substances and throwing the medium-particle mineral substances into the medium-particle separation bin through rotary centrifugation; the medium-particle separation sieve plate is used for guiding small-particle minerals into the small-particle separation bin; precise separation of particle minerals of different sizes is achieved, manual feeding is not needed, and it is ensured that nutritional ingredients in chicken feed are evenly distributed.

The present invention belongs to the technical field of petroleum and natural gas exploration and development, and specifically relates to a study method for chlorite growth pattern based on an in-situ high-precision observation means. The method includes: S1: selecting a sample and quantitatively characterizing mineral components; S11: selecting a typical sandstone sample developed with a chlorite coating and cement, grinding a rock slice, and observing under a microscope and a scanning electron microscope to determine a basic morphological characteristic, occurrence state and type of the chlorite; S2: performing data preprocessing on the sample; S3: establishing a water-rock numerical simulation model; S4: developing a water-rock numerical simulation experiment; S5: analyzing a water-rock numerical simulation result; and S6: explaining and applying the water-rock numerical simulation result.

This application discloses a composite mineralization material, its preparation method, and its application, belonging to the technical field of mineralization materials for water purification. The preparation method includes the following steps: (1) Selecting strontium-containing ore, zinc-containing ore, metasilicic acid-containing ore, and carbonate-containing ore from natural ores, crushing the above ores respectively, and calcining them at 600-800℃ for 1-4 hours; (2) Soaking the calcined ores in pure water, then performing carbonation treatment, air-drying, and performing component analysis to screen and obtain the strontium-containing mineralization material, zinc-containing mineralization material, metasilicic acid-containing mineralization material, carbonate-containing mineralization material, and basic material; (3) Crushing the mineralization material and basic material again, mixing them according to the weight ratio to obtain the composite mineralization material. The composite mineralization material prepared by this method can solve the problem of excessive metal elements and organic matter in natural ores, and can achieve stable dissolution of minerals, reduce scaling, and improve the service life of water purification devices.

The utility model discloses a conversion device for converting purified water into mineralized water. The conversion device comprises a conversion tank, a water inlet pipe, a water outlet pipe and a control valve, the water inlet pipe is arranged at the top of the conversion tank, the water outlet pipe is arranged at the bottom of the conversion tank, the control valve is arranged on the water outlet pipe, a microporous mineral substance layer is arranged on the inner side wall of the conversion tank, mineral substance elements can be dissolved out when the microporous mineral substance layer meets water, and an annular net is arranged on the inner side wall of the microporous mineral substance layer. According to the device, common purified water can be converted into mineralized water which contains various mineral elements and is beneficial to human bodies, so that human health is facilitated, a convenient and rapid healthy water drinking mode is provided for people, the existing old-fashioned water purification machine can be replaced, and the device has a wide market prospect.

The invention discloses a single-layer neural network model-based inversion method for the mass fraction of low-content rare earth secondary minerals in mother rock of a weathering crust type rare earth ore deposit. The method comprises the following steps of: acquiring content data of rare earth elements in total rock; analyzing rare earth partition characteristics of minerals in the rock sample; constructing a single-layer neural network structure to perform inversion solution on the mineral mass fractions, setting each mineral mass fraction as a to-be-optimized weight, taking each mineral rare earth element content matrix as input, and taking the total rare earth element content of the mother rock as output; setting a main loss function and an auxiliary loss function of the neural network; iterative training is carried out, and mass fraction parameters of all minerals are optimized through error back propagation; after training convergence, model optimization parameters are the mass percentage content of each mineral. The method does not depend on a traditional image recognition method, rare earth secondary minerals with low content, small particle size and complex symbiosis can be accurately recognized, and the quantitative recognition capacity and geological interpretation performance are improved.