382 results about "Mineral particles" patented technology

The invention provides a rock image classification method based on edge enhancement and multi-scale feature fusion. By combining the edge enhancement and multi-scale feature fusion technology, the accuracy of mineral classification in the rock slice image is remarkably improved. According to the method, rock slice image interference is eliminated through filtering and denoising, and mineral particle edges are enhanced by fusing morphological top-hat transformation and a Laplace operator; and performing multi-scale pyramid decomposition on the enhanced image to extract high-frequency information, performing multi-direction response enhancement to generate a direction feature map, and performing channel-level fusion on the original image, the edge enhanced image and the direction feature map. And finally, inputting the fused image into a convolutional neural network to complete rock type classification. According to the method, mineral boundary expression is effectively enhanced, the classification accuracy is improved, and a reliable technical scheme is provided for geological analysis and lithology identification.

The invention provides a mineral leaching property analysis method, which belongs to the field of process mineralogy, and comprises the following steps: crushing and enriching a sample to be detected, and selecting single mineral particles to obtain target mineral particles; the preparation method comprises the following steps: coating a sample preparation grinding tool with epoxy resin glue, adding target mineral particles, and carrying out curing and grinding treatment to obtain a primary sample; cutting the primary sample, placing the grinding surface downwards and the three wear-resistant alloys at the bottom of a sample preparation grinding tool, injecting epoxy resin glue, curing to form a composite sample, accurately grinding, polishing, performing carbon spraying treatment, performing first automatic mineralogical analysis, measuring the area of a target mineral, cleaning, and performing leaching treatment to obtain a treated sample; and after solidification, accurate grinding and polishing and carbon spraying treatment, secondary automatic mineralogical analysis is carried out, the area of the residual target mineral is measured, and the leaching index of the target mineral is calculated. Reliable technical support is provided for mineral processing technology optimization and resource evaluation, and the method is particularly suitable for development of efficient leaching technologies of precious metal, rare earth and the like.

The invention discloses a macro-micro parameter co-controlled large-scale heterogeneous pore throat network generation method, which comprises the following steps of: partitioning a set simulation region, randomly generating a plurality of mineral particle cores in each partition, simulating the growth of the mineral particle cores by utilizing a four-parameter random growth method, and generating a large-scale heterogeneous pore throat network. Taking the boundary of the core mineral of each mineral particle as potential pores and throats, and carrying out inversion to obtain the position distribution of each pore and throat; extracting position distribution of optimized pores and throats by using a genetic algorithm, matching coordination numbers for each pore and throat, and allocating target growth radius values for the pores and throats of each matching coordination number by setting microscopic pore-throat structure parameters of each partition; and utilizing a four-parameter random growth method to simulate that fluid in the pores and the throats in each partition corrodes the core of the mineral particles until the radiuses of the pores and the throats in each partition reach the target growth radius value one by one, and generating a pore-throat network image of the set simulation area.

The utility model belongs to the technical field of flotation machines, and particularly relates to a flotation machine scraper cleaning device which comprises a flotation machine main shell, first fixing rings are symmetrically arranged on one side of the upper side of the flotation machine main shell, a first shaft rod is rotationally arranged between the first fixing rings, and scraper mechanisms are arranged on the outer side of the first shaft rod at equal intervals. The scraping plate mechanism comprises a sleeve, connecting rods and scraping plates, the sleeve is fixedly connected to the outer side of the first shaft rod in a sleeving mode, the connecting rods are symmetrically arranged on the outer side of the sleeve in a surrounding mode, and the scraping plates are arranged at the ends, away from the sleeve, of the connecting rods. The bristles can brush the upper side face of the arc-shaped blanking plate and the upper side face of the scraping plate about to rotate away from the arc-shaped blanking plate, the scraping plate can be cleaned in time in the separation process, ore grain foam scraped by the scraping plate can be rapidly cleaned out of the arc-shaped blanking plate, the ore grain foam is prevented from rotating back to the surface of ore pulp along with the scraping plate, and the ore pulp quality is improved. Therefore, the effect of scraping ore grain foam next time is prevented from being affected, and the overall efficiency of ore grain separation is guaranteed.

The invention provides a fine grain flotation machine impeller of a three-layer structure, and relates to the technical field of ore dressing. The impeller comprises a framework disc, the outer end face of the framework disc is provided with a connecting flange used for being installed with a power component of the flotation machine in a matched mode, and the inner circumferential face of the framework disc is provided with a circle of outer-layer blades which are evenly arranged at intervals. A closed ring is arranged at the end, away from the connecting flange, of the framework disc, the bottom ends of the outer-layer blades are arranged on the inner side of the closed ring, and a circle of inner-layer blades are evenly arranged on the outer side of the center hole in the framework disc at intervals. A circle of middle blades which are evenly arranged at intervals and fixedly connected with the inner end face of the framework disc are arranged between the outer-layer blades and the inner-layer blades. The structure of the outer-layer blade, the framework disc and the closing plate forms a gradually-shrinking closed flow channel, so that the initial kinetic energy and local turbulent kinetic energy of mineral particles and bubbles are increased, the collision mineralization probability of the bubbles and the mineral particles is increased, the pressure at the outlet of a gradually-shrinking opening is released, nano-bubble precipitation is facilitated, and the recovery of micro-fine particle mineralization is improved.

The invention provides a method for measuring and calculating the article position of continuous silver ore with the particle size of 0.037 mm or above, and belongs to the technical field of mineral grade detection. The silver grade in the sample is measured and calculated through screening; leaching and measuring the content of silver monomers and continuous silver minerals, and reselecting to obtain a heavy sand product; carrying out fluorescent dyeing on the heavy sand product, and selecting monomer silver minerals; analyzing the color of the silver mineral through point scanning data of a scanning electron microscope, melting the monomer silver mineral to obtain the volume of the monomer silver mineral, and calculating the content of the monomer silver mineral; and carrying out conversion to obtain the continuous silver ore article position with the size of more than 0.037 mm. According to the method, the target mineral is rapidly and accurately obtained by adopting density medium reselection and fluorescent dye tracing; introducing a scanning electron microscope to measure and calculate the actual density of the silver mineral to replace the theoretical density, smelting the silver mineral in a mold, and carrying out volume measurement and calculation to obtain the actual metal amount closer to the actual silver mineral; measuring and calculating errors caused by impurities and irregular shapes of mineral particles are reduced; and the calculated grade of the silver mineral is more accurate.

The invention relates to the field of powder material manufacturing, and discloses a powder particle model parameter calibration method based on a discrete element method.The method comprises the steps that a static accumulation angle experiment is conducted, and the accumulation angle of micron-sized powder is obtained; performing particle size scaling according to a powder particle size distribution curve; discrete element intrinsic parameters are set according to powder characteristics and mold materials; setting to-be-calibrated parameters and ranges; performing PB design according to the to-be-calibrated parameters and the range; analyzing a test result and screening test parameters which have relatively obvious influence on the simplified and scaled powder accumulation angle; establishing a regression model and seeking an optimal combination by taking a relatively significant test parameter as an independent variable and taking an actually measured static accumulation angle as a target value; and finally determining the mineral particle model parameters based on the discrete element method through the established optimization combination verified by a numerical test. According to the method, the parameter calibration efficiency and the parameter calibration accuracy are improved, and an effective technical means is provided for key parameters of a powder particle numerical simulation experiment.

The invention provides a manufacturing method of a rock-like material considering prefabricated fractures, and the method comprises the following steps: obtaining three-dimensional scanning data of a rock sample through a double-source double-energy CT scanning system, carrying out three-dimensional reconstruction and analysis on the three-dimensional scanning data, and extracting the particle size distribution range, volume fraction and fracture parameters of minerals in rock; according to the particle size distribution and proportion of minerals, mineral particles consistent with rock minerals in type are prepared through crushing and mixed in proportion, and the stacking porosity is calculated; adding epoxy phenolic resin according to the porosity to form a uniformly mixed material; a fracture structure model is generated through the 3D printing technology, and camphor is selected as a fracture model consumable; fully stirring the crack model and the mixed material, filling the mold in a layered manner, and compacting; heating in a muffle furnace to cure the epoxy phenolic resin, sublimating through camphor to form a crack structure, and cooling to obtain the rock-like material with similar mineral composition and crack characteristics. According to the method, the rock similar material containing the prefabricated cracks can be rapidly manufactured.

The invention relates to magnetic mineral concentration equipment, and belongs to the technical field of mineral separation, the magnetic mineral concentration equipment comprises a magnetic flotation column cavity, an overflow groove, a stirring device, a feeding device, a magnet exciting coil and a microbubble generating device, and the magnetic flotation column cavity comprises a conical concentration device arranged at the bottom; the overflow groove is formed in the upper part of the magnetic flotation column cavity; the magnet exciting coil is arranged on the periphery of the magnetic flotation column cavity; the microbubble generation device is arranged at the lower part of the magnetic flotation column cavity and / or above the conical concentration device; the feeding device is communicated with the magnetic flotation column cavity and is used for conveying ore pulp to the magnetic flotation column cavity; the microbubble generating device is used for generating bubbles and conveying the bubbles to the magnetic flotation column cavity; the stirring device is arranged in the magnetic flotation column cavity and used for stirring ore pulp; strong magnetic and hydrophilic mineral particles in the stirred ore pulp are discharged through a conical concentration device to become concentrate, and foam formed by weak magnetic or non-magnetic and hydrophobic mineral particles is discharged through an overflow groove to become tailings.

The present invention relates to a method of manufacturing a surface-modified material wherein the method comprises the steps of applying a coating composition onto at least one surface of a substrate to form a porous coating thereon wherein the coating composition comprises mineral particles selected from the group consisting of calcium carbonate, calcium phosphate, hydromagnesite and mixtures thereof and a binder, and impregnating the porous coating with at least 150% by weight of an impregnating liquid composition based on the total weight of the porous coating to form a constraining liquid layer within and on the porous coating wherein the impregnating liquid composition is chemically inert to the substrate and the porous coating. Furthermore, the invention relates to a corresponding surface-modified material, an article comprising the same and the use of such a material.

The invention discloses a relay bin device capable of intelligently detecting and adjusting the mineral height and a deep-sea mining system.The relay bin device comprises a relay bin, a height adjusting unit, a detecting unit and a self-cleaning unit, the height adjusting unit comprises a shell assembly, an air bag assembly and a piston assembly, the shell assembly is arranged in the relay bin, and the air bag assembly is arranged in the relay bin; the air bag assembly is arranged in the shell assembly, a high-pressure air chamber is formed in the air bag assembly, the movable end of the piston assembly extends into the high-pressure air chamber and is in sealed sliding connection with the high-pressure air chamber, and the movable end of the piston assembly can move up and down in the axial direction of the relay bin by inflating and deflating the high-pressure air chamber so as to adjust the height of mineral particles; the detection unit comprises a high-pressure waterproof radar and a high-pressure waterproof ultrasonic sensor, and the high-pressure waterproof radar and the high-pressure waterproof ultrasonic sensor are arranged on the two sides of a discharging port of the relay bin respectively; the cleaning end of the self-cleaning unit faces the high-pressure waterproof ultrasonic sensor and is used for cleaning the high-pressure waterproof ultrasonic sensor regularly.

The invention discloses a multi-element combined collecting agent and application of the multi-element combined collecting agent in low-grade lepidolite flotation, and belongs to the technical field of mineral processing. The multi-element combined collecting agent is composed of the cationic amine collecting agent, the anion accelerant and the long-chain anion collecting agent, the reaction activity of the collecting agent and the capturing behavior on mineral particles are remarkably improved in the flotation process, the foam viscosity is reduced, the fluidity is improved, and the flotation efficiency is improved. The method effectively solves the problems that foam is too stable and different silicate minerals are difficult to float and separate under the acidic condition, reduces environmental pollution and equipment corrosion, further strengthens the hydrophobic floating behavior on the surface of lepidolite, enables the grade of obtained concentrate Li2O to be high, and further realizes clean recycling of low-grade lepidolite resources.

The invention belongs to the technical field of underground coal gangue target detection, and particularly discloses an underground coal gangue target detection method and system based on multi-source image fusion. Aiming at the diversity and similarity of coal and gangue in an underground complex environment and the problem that a traditional single sensor cannot effectively identify coal and gangue, the invention establishes an underground coal and gangue target detection model based on an improved RT-DETR model architecture. In the aspect of model input, visible light images and infrared thermal imaging images of mineral particles in a coal mine transportation link are collected at the same time. In the aspect of model architecture, on the basis of an original RT-DETR model, the improved RT-DETR model is obtained by introducing a bimodal branch and designing structures such as a sparse scale internal feature interaction module, a cross-scale feature aggregation module and a feature fusion module suitable for cross-modal information interaction, and the recognition accuracy of an underground coal gangue target is improved.

The invention provides a pore geometric morphology fine characterization method based on confining pore forming of mineral particles, which comprises the following steps: S1, performing fine characterization of the mineral particles based on geometric morphology characteristics, and accurately identifying the mineral particles in combination with characterization results; s2, performing geometric shape quantitative characterization on different types of pores from the angles of pore diameters, roundness, flatness, shape indexes and corner angle indexes to obtain geometric shape parameters of the pores; s3, on the basis of the recognized mineral particles, the names of confinement pores are determined, clustering analysis is conducted on the confinement pores in combination with the geometric morphology quantitative characterization result obtained in the step S2, and a pore classification scheme is established; and S4, based on a classification scheme and a quantitative characterization result, determining development characteristics of shale reservoir pores, establishing a porosity contribution index model formula, and matching and verifying a reservoir physical property result. According to the method, through comprehensive analysis of the pore morphological characteristics, solid data support and theoretical basis can be provided for scientific evaluation of a high-quality pore development mode.

Disclosed is a vortex mineralization-static separation flotation device and a flotation method. The device comprises: a static separator provided with a separation chamber and a vortex mineralizer provided with a mineralization cylinder. The separation chamber includes a raw ore treatment pipeline and an intermediate ore treatment pipeline. The mineralization cylinder includes a vortex mineralization pipeline. The method comprises: the mineralization cylinder being full of a raw ore slurry and the raw ore slurry in the separation chamber reaching a set level, turning on air conduits and an agitation device to make air enter the mineralization cylinder and form tiny bubbles to collide with first mineral particles and mineralize to form an aerated intermediate ore slurry; the aerated intermediate ore slurry entering the separation chamber and performing collision and mineralization with second mineral particles and the raw ore slurry, and concentrate froth being formed at a top of the separation chamber to be collected.

The invention relates to the technical field of vibrating screen production, and particularly discloses a linear vibrating screen which comprises a rack, a stock bin, a vibrating screen assembly and an adjusting mechanism, the vibrating screen assembly comprises two screens and a vibrating motor, the two screens are arranged in an up-down inclined mode and installed on the rack through vibrating bases respectively, the vibrating motor is installed on the vibrating bases, and the adjusting mechanism is installed on the stock bin. The adjusting mechanism comprises a material guiding plate, a first driving structure, a second driving structure and a third driving structure, the material guiding plate is rotationally installed below the stock bin, a material passing opening and a baffle are arranged on the upper-layer screen, the first driving structure is used for driving the screen on the lower side to move, and the second driving structure is used for driving the baffle to act. The third driving structure is used for driving the material guiding plate to turn over. According to the mineral particle screening device, the two screens can be adjusted according to the proportion of large and small particles in mineral particles, so that the screening effect on the mineral particles is ensured.

The invention discloses a method for mechanically activating and intensifying decomposition of mineral type rare earth ore and smelting separation, which comprises the following steps of: S1, adding the mineral type rare earth ore serving as a raw material into ore grinding equipment, and mechanically activating under the action of microwaves; s2, mixing the mechanically activated mineral type rare earth ore obtained in the step S1 with concentrated sulfuric acid, performing sulfating roasting decomposition to obtain sulfating roasted ore, and treating tail gas generated by roasting; and S3, the sulfated roasted ore obtained in the step S2 is leached through a magnesium bicarbonate solution, neutralization and impurity removal are conducted, and after solid-liquid separation is conducted, a sulfuric acid rare earth solution and leaching residues are obtained. The mineral type rare earth ore is subjected to mechanical and microwave activation treatment, so that the granularity of mineral particles is reduced, generation of a new reaction surface is promoted, a mineral crystal structure is deformed, a rare earth phase is subjected to favorable change, wrapped rare earth mineral components are fully exposed and are fully contacted and reacted with acid, and the activation performance of the rare earth ore is improved; and a higher rare earth yield is obtained.

The invention discloses simulated lunar soil for engineering and a preparation process thereof, the simulated lunar soil has a multilayer structure design, and comprises a basic mineral structure layer, a surface activity control layer and a simulated space environment effect layer. The basic mineral structure layer is prepared from modified olivine, titanium-rich basalt, rare earth doped plagioclase, calcium phosphate minerals, nano iron particles and vitreous minerals according to a specific proportion; the surface activity control layer adopts an atomic layer deposition technology to form a nano oxide layer on the surface of the mineral particles; the simulated space environment effect layer is formed through low-pressure helium ion bombardment and ultraviolet irradiation. The preparation process comprises the steps of intelligent graded crushing, mineral phase change control, surface modification and activation treatment, multi-parameter synchronous regulation and control and the like. The simulated lunar soil can be produced in a customized mode according to different lunar area characteristics, the matching degree with real lunar soil physical characteristics exceeds 90%, the ground testing precision of lunar exploration equipment is remarkably improved, and technical support is provided for lunar on-site resource utilization and lunar base construction.

The application provides a high-efficiency recovery method for copper in chalcocite-type copper concentrate sulfuric acid roasting and acid leaching residue, and belongs to the technical field of mineral processing.The application recovers sulfide copper minerals and intergrowth of the sulfide copper minerals and cupric ferrite in chalcocite-type copper concentrate sulfuric acid roasting and acid leaching residue through flotation, then recovers cupric ferrite and intergrowth of the cupric ferrite and the sulfide copper minerals in middlings and tailings in the flotation through magnetic separation, and finally recovers superfine cupric ferrite and copper mineral particles completely wrapped by gangue minerals in the tailings in the magnetic separation through chemical dissociation.The application uses the method of combination of flotation, magnetic separation and chemical dissociation, strengthens recovery of the copper in chalcocite-type copper concentrate sulfuric acid roasting and acid leaching residue, and the comprehensive recovery rate can reach 91.18%.

The invention relates to the technical field of space exploration and lunar soil experiments, in particular to a melting centrifugal type mineral particle morphology remodeling device and a lunar soil glass ball preparation method. The device comprises a mineral protolith high-temperature melting system, a mineral melting slurry conveying system, a centrifugal mineral particle size control system and a mineral particle cooling and morphology remodeling system. The preparation method of the lunar soil glass ball comprises the following steps: adding basalt mineral powder and mineral melting additive powder into a melting centrifugal mineral particle morphology remodeling device to obtain simulated lunar soil glass balls with different particle sizes, and performing morphology transformation on the simulated lunar soil glass balls with different particle sizes by using an ion beam gun. And the lunar soil glass ball state of the impact melting history is reduced. According to the method, high-precision engineering mass production of components, morphology and mechanical properties of the lunar soil glass balls is realized through a fusion centrifugal forming and ion beam surface control composite process, and the problem of soil mechanical behavior deviation caused by morphology distortion of existing simulated lunar soil is solved.

The invention relates to the technical field of metro tunnel shield construction, in particular to a microwave high temperature-liquid nitrogen cooling metro shield boulder treatment device and method.The device comprises a cutter head body system, a microwave thermal damage system and a liquid nitrogen cold impact system; a hard boulder is pretreated through a microwave high temperature-liquid nitrogen cooling technology, that is, firstly, holes are drilled in the boulder, then a microwave generator of a microwave thermal damage system is placed in the boulder holes to spread microwave energy, the thermal expansion difference occurs to mineral particles in the boulder under the microwave high temperature effect, and therefore microcracks are generated; and then, liquid nitrogen cold impact is used for further promoting the cracks to extend and communicate, so that the overall strength of the boulder is reduced, and the internal structure of the boulder can be effectively damaged through the hot-cold alternating effect. And finally, after strength evaluation is suitable for tunneling, a shield cutter head is started for operation.

The invention provides a magnetic separator for a mine plant, and belongs to the technical field of magnetic separators. The transverse shafts are fixedly arranged on the inner walls of the two sides of the screening bin, and the outer surfaces of the transverse shafts are movably sleeved with screening plates. During use, mineral aggregates are poured into the screening bin through the feeding hopper, the mineral aggregates are screened through through holes in the screening plates, one side of a pulling plate makes contact with one side of each screening plate, and therefore the screening efficiency is improved; a screening plate is pulled to further enable a plurality of connecting plates and a plurality of second telescopic rods to pull a plurality of first springs, when a pulling plate does not make contact with the screening plate, the connecting plates are pulled through the elastic force of the first springs, and under the back-and-forth movement of the screening plate, mineral aggregates rapidly slide to the interior of the crushing bin on one side of the screening plate; therefore, when the magnetic separator is used, mineral materials are screened, the situation that due to the fact that the mineral granularity is too large, magnetic minerals cannot be effectively adsorbed, and the separation effect is reduced is prevented, and the screening effect is good.

The invention relates to a compound microorganism saline-alkali soil conditioner as well as a preparation method and application thereof, and relates to the technical field of saline-alkali soil improvement. The compound microorganism saline-alkali soil conditioner is prepared from the following raw materials: a tailing-based organic matter compound, a microorganism compound bacterium agent and ammonium sulfate, the tailing-based organic matter compound is prepared from the following raw materials: iron tailings and wormcast organic fertilizer; the raw materials of the microbial complex microbial inoculant comprise rhizosphere kocuria and bacillus subtilis. The compound microorganism saline-alkali soil conditioner is prepared from the tailing-based organic matter compound, the microorganism compound bacterium agent and ammonium sulfate, the pH value of saline-alkali soil can be reduced, the saline-alkali degree of the saline-alkali soil can be reduced, through the cementation effect of microorganisms, organic fertilizer and mineral particles, soil aggregates are increased, the soil structure is improved, and the soil quality is improved. The hardening state of the saline-alkali soil is improved, the water and fertilizer retention capacity is improved, and the soil ecological environment is greatly improved.

The application discloses a beneficiation separation method for high-copper and low-zinc high-sulfur polymetallic ore, which comprises the following steps: A, after crushing the raw ore, ball milling and grading are performed, the sand is returned to the ball mill, and the overflow product is fed into a copper roughing process; B, copper roughing is performed; C, the roughing concentrate is subjected to copper cleaning process to obtain copper concentrate, and the roughing tailings are fed into a copper scavenging process; D, copper scavenging is performed, the scavenging tailings are subjected to grading, the sand is returned to the ball mill, and the overflow product is fed into a zinc roughing process; E, zinc roughing is performed, the roughing concentrate is subjected to zinc cleaning process to obtain zinc concentrate, and the roughing tailings are subjected to zinc scavenging process to obtain zinc tailings. The application efficiently realizes the separation of copper concentrate and zinc concentrate by fully utilizing the mineral particle size distribution characteristics, introducing a particle size grading system and improving the flotation reagent, and has the technical characteristics of high separation yield, easy operation, stable separation index and the like.

The invention discloses a protective coating treating agent, a protective coating treating fluid, modified forage and a preparation method and application thereof, and belongs to the technical field of ecological engineering. The protective coating treating agent comprises a first component, a second component and a third component in a mass ratio of 10: (0.5-2.5): (1-3), the first component is a natural polymer film-forming material; the second component is a plant-derived functional anti-degradation agent; and the third component is a natural mineral particle reinforcing agent. The protective coating treating agent containing the components is prepared into a protective coating treating fluid, and then the protective coating treating fluid is coated on the surface of forage to form a protective coating, so that the aging resistance of the straw checks in environments of high temperature, strong ultraviolet rays, sand erosion and microbial erosion can be remarkably improved, the service life of the straw checks is prolonged, and the service life of the straw checks is prolonged. And the operation and maintenance cost of ecological restoration engineering is reduced. The straw checkerboard with the protective coating can be widely applied to ecological engineering construction such as treatment of railways, highways and sand source areas in arid and windy sand areas.

The application discloses a kind of multi-element combination collector and its application in low-grade lepidolite flotation, belong to mineral processing technical field.The multi-element combination collector provided by the application is composed of cationic amine collector, anionic promoter and long-chain anionic collector, which significantly improves the reaction activity of the collector and the capture behavior of the mineral particles during the flotation process, reduces the foam viscosity and increases the fluidity, effectively solves the problem of overstable foam and the difficulty of flotation separation of different silicate minerals under acidic conditions, reduces environmental pollution and equipment corrosion, and also strengthens the hydrophobic floating behavior of lepidolite surface, resulting in high grade Li2O concentrate, further realizing the clean recycling of low-grade lepidolite resources.

The invention relates to the technical field of rock physical modeling, and provides a turbidite sandstone reservoir earthquake rock physical modeling method and device. The method comprises the following steps: acquiring target turbidite sandstone reservoir information; determining a target rock matrix according to the target turbidite sandstone reservoir information; establishing a dry rock skeleton model by using the average coordination number and the critical porosity of the sandy mineral particles corresponding to the target turbidite sandstone reservoir; and establishing a fluid saturated rock model according to the dry rock skeleton model and a target rock matrix. According to the embodiment of the invention, the average coordination number and the critical porosity of the sandy mineral particles are comprehensively considered, so that the seismic rock physical modeling precision of the turbidite sandstone reservoir can be improved.

The utility model provides a cyclone cavitation coupled micro-fine particle mineral flotation device. Comprising a flotation body and a cavitation bubble generator. The flotation body comprises a flotation body cylindrical barrel located on the upper portion and used for raw ore feeding and concentrate collecting, a flotation body conical pipe located on the lower portion and used for separation and tailing discharging, a raw ore feeding pipe arranged at the axis of the flotation body cylindrical barrel, and a pressure stabilizing plate. Hydrodynamic cavitation bubbles generated by a cavitation bubble generator are applied to flotation equipment and are fed into a stirring area of the flotation equipment under pressure, the cavitation bubbles collapse to generate shock waves to clean the surfaces of mineral particles, the effect of dispersing minerals is achieved, special microbubbles are released to form mineralized bubbles with micro-fine particle concentrate, and the mineralized bubbles float upwards; the recovery rate of micro-fine particle minerals difficult to float is remarkably increased, the dosage of reagents is reduced, and efficient flotation is achieved.

The invention belongs to the technical field of ore dressing equipment, and particularly relates to a spiral chute ore dressing machine for mineral particles, which comprises a bracket, a spiral chute I and a spiral chute II which are centrosymmetric are connected to the bracket, vertical plate parts are arranged on the edges of the two sides of the spiral chute I and the spiral chute II, and a fixed cover is connected to the upper part of the bracket; a lifting plate capable of sliding up and down is arranged in the fixed cover, two pairs of spiral extrusion vertical plates attached to the inner side of the vertical plate part are connected to the lifting plate, and a feeding pipe with two feeding ends is arranged below the fixed cover. Ore pulp flowing out of the feeding pipe flows downwards along the first spiral chute and the second spiral chute, under the action of centrifugal force and gravity, minerals with different densities are zoned in the first spiral chute and the second spiral chute, the rotating rotating column enables the spiral material extruding vertical plate to move up and down in a reciprocating mode through the oval groove and the protruding block, and the materials are extruded through the spiral material extruding vertical plate. And the spiral material extruding vertical plate intermittently extrudes ore pulp at the vertical plate part through the inclined surface, so that the ore pulp is prevented from being retained at the edge, the cleaning difficulty is reduced, and the separation efficiency and separation effect of the ore pulp are ensured.

The invention relates to the technical field of image processing and intelligent identification, and discloses an image segmentation method for identifying a mineral boundary in a table ore zone. The method comprises the steps of constructing a multi-branch single-output enhancement unit based on gating enhancement and multi-head attention combined dynamic fusion, constructing a multi-scale fusion module of a split-level fusion pyramid structure based on multi-head attention and residual fusion, constructing a trunk module based on convolutional layer and enhancement unit stacking, and constructing a multi-scale fusion module of a split-level fusion pyramid structure based on multi-head attention and residual fusion. Constructing an image recognition segmentation model by combining step-by-step down-sampling, a multi-scale fusion module and a prediction head; and obtaining an ore zone image of a shaking table operation site of the reselection workshop, inputting the ore zone image into the image recognition segmentation model to obtain a recognition result, and completing shaking table separation of the mineral particles based on the recognition result. The problem of insufficient segmentation precision caused by particle size difference, illumination interference, fuzzy boundary and real-time requirement in the existing industrial mineral separation process is solved.