2060 results about "Beneficiation" patented technology

The invention relates to the technical field of mining industry, and discloses an intelligent prediction method for gold ore beneficiation process parameters based on cloud and edge fusion, which realizes space-time correlation modeling of beneficiation process parameters and accurately depicts dynamic interaction influence among equipment. The cloud edge collaborative architecture considers global optimization and real-time response requirements, and the prediction stability under complex working conditions is effectively improved. The introduction of physical constraints enhances the applicability of the model in an actual production environment, a bidirectional feedback mechanism ensures the adaptive ability of the system in a dynamic change environment, and through the joint reasoning of a knowledge graph and a neural network, the consistency of a prediction result and a process principle is enhanced, and the risk of misjudgment under an abnormal working condition is reduced; the man-machine cooperation mechanism significantly improves the labeling efficiency of high-value samples, shortens the model iteration period, and ensures the continuous optimization capability of the prediction system in the actual production environment.

The invention discloses a beneficiation process intelligent optimization control method and system based on a knowledge graph, and relates to the technical field of beneficiation process control, and the method comprises the steps: collecting static attribute data and dynamic operation data, constructing a causal knowledge graph, and obtaining a causal relationship between nodes in the causal knowledge graph and an optimization target constraint; based on a causal relationship between nodes in the causal knowledge graph and optimization target constraints, screening data from a historical database to form a high-value historical data set; according to the high-value historical data set, a reward function model is constructed, a strategy function is trained, and a reinforcement learning control strategy is obtained; running the reinforcement learning control strategy, generating a control instruction, and issuing the control instruction to the target equipment to obtain dynamic optimization control; and performing real-time monitoring on the dynamic optimization control, and performing anti-fact reasoning based on a causal knowledge graph when abnormal deviation of the running state is detected to obtain an anti-fact reasoning result.

The invention belongs to the technical field of tungsten smelting, and particularly discloses a method for recycling tungsten from tungsten smelting soda boiling slag through reselection, tungsten in the slag is recycled through a physical mineral separation method, a large number of acid-base reagents are not introduced, acid-base wastewater is not generated, and high-energy-consumption roasting or high-temperature acid-base leaching is not needed. The process is simple, large-scale treatment can be achieved, reagent consumption is low, energy consumption is low, closed-loop circulation of mineral separation water can be achieved, no wastewater is discharged, the process is environmentally friendly and free of pollution risks, meanwhile, indexes of the soda boiling residues subjected to innocent treatment can reach industrial solid waste, hazardous waste is converted into common solid waste, and the economic benefit is high. The environment-friendly treatment cost is low.

The present application relates to the technical field of heavy-metal pollution remediation, and relates in particular to a soil heavy‐metal accumulation predicting method employing an emission inventory and a receptor model. The method comprises: using atmospheric dust deposition, irrigation water, chemical fertilizers and pesticides as input flux sources of heavy metals to farmland soil, using surface runoff and crops as output fluxes, and constructing an input-output flux inventory of heavy-metal pollutants to clarify a dynamic balance relationship of soil heavy-metal accumulation; and continuously collecting and monitoring of soil samples. The invention provides crucial assistance in determining the transport balance of heavy metals in farmland areas impacted by non-ferrous metal smelting and beneficiation slag sites and in identifying sources of soil heavy-metal pollution, and offers theoretical guidance for subsequent soil heavy-metal remediation and targeted control.

The invention discloses an efficient combined regulator for easily-argillized copper oxide cobalt ore and a beneficiation method. The efficient combined regulator comprises the following components in parts by weight: 250-350 parts of sodium citrate and 1100-1200 parts of sodium hydrosulfide. Sodium citrate has high dispersing capacity, and the efficiency of selective adsorption between the argillization copper-cobalt ore and the medicament can be improved; meanwhile, the complexing ability of sodium citrate on ions, such as Fe, Ca and Mg, influencing agent adsorption on the surface of the ore is high, in addition, products obtained after complexing of the Fe, Ca and Mg ions can be dissolved in water, and action sites are provided for selective adsorption of a vulcanizing agent (NaHS) and a collecting agent amyl xanthate (PAX). According to the combined regulator and the beneficiation method provided by the invention, the problem of poor reagent selectivity in the flotation process of the argillization copper-cobalt ore can be obviously improved, the vulcanization effect of a vulcanizing agent is enhanced, and selective adsorption of a collecting agent is promoted, so that the recovery rate of copper and cobalt metals in the copper-cobalt oxide ore under the condition of serious ore argillization is improved.

The invention belongs to the technical field of magnetite beneficiation, and particularly relates to a method for removing iron impurities in minerals through manual and automatic three-stage combination in magnet beneficiation, a three-stage iron removal system is arranged, the iron impurities and ferromanganese are detected step by step according to the size of the iron impurities and the property of magnets or ferromanganese, and a detected magnetic field is cooperatively calibrated step by step; and iron impurities in the ores are removed in a classified manner. Compared with the prior art, the system has the beneficial effects that a manual and automatic three-stage combined iron removal solution is adopted, large magnetic iron impurities, small magnetic iron impurities and ferromanganese impurities in the process are efficiently classified and removed in a targeted manner, damage of the iron impurities to equipment such as an ore crusher and a belt conveyor is avoided, the operation efficiency of the process is improved, and the production cost is reduced. And the problem of removing iron impurities in magnet beneficiation is solved.

The invention discloses a quality-divided treatment and recycling method for lead-zinc beneficiation wastewater, and belongs to the technical field of beneficiation wastewater treatment.The method comprises the steps that beneficiation tail water is introduced into a Fenton reaction tank, a catalyst is added firstly, then hydrogen peroxide is added, a Fenton oxidation reaction is conducted, after the Fenton oxidation reaction is finished, the beneficiation tail water is introduced into a coagulation reaction tank, caustic soda liquid is added, and the mixture is stirred and mixed uniformly; adding a precipitating agent, a flocculating agent and a stabilizing agent, and flocculating and settling the precipitate; introducing the beneficiation tail water added with the treatment agent into a honeycomb inclined tube sedimentation tank, further flocculating and settling, then returning flocculated precipitates in a bottom tank to a coagulation reaction tank, and discharging redundant bottom mud into a tailing pond; and settled clear water enters a clear water tank and is used as production water for ore grinding classification and flotation operation. According to the invention, through quality-divided treatment-quality-divided recycling of the beneficiation wastewater, it is ensured that the beneficiation tail water meets the requirements of ore grinding and flotation production indexes, the treatment cost of concentrate overflow water and filtered water is reduced, and the purpose of 100% recycling of the beneficiation wastewater after quality-divided treatment is achieved.

The utility model relates to the technical field of ore crushing, and discloses a crusher for mineral separation, which comprises a base, a crushing barrel, a blanking barrel, a shearing crushing assembly, an extruding crushing assembly, a grinding assembly and a rotary driving assembly, the crushing barrel is arranged to perform princess installation on the shearing crushing assembly, the extrusion crushing assembly and the grinding assembly, so that ores are sequentially subjected to shearing crushing, extrusion crushing and grinding, the whole process is integrally performed, repeated operation is not needed, the processing efficiency of the equipment is improved, and smoke dust is effectively reduced.

The utility model discloses an SF type flotation machine for phosphoric acid beneficiation. The SF type flotation machine comprises a groove body, a power system, a center cylinder, a stirring system and a scraper system. The air distributor is arranged to uniformly distribute the sucked air, so that a large amount of fine bubbles can be formed, and the generation of the bubbles is further facilitated; the slurry on the dispersing cover can be sucked into an upper impeller cavity through the through holes, so that slurry upper circulation is formed; the backward-inclined lower blade and the backward-inclined upper blade are arranged, so that slurry in the tank is subjected to upper and lower double circulation, and the suspension of coarse-grain minerals is facilitated; a large gap between the impeller and the dispersion cover is arranged, and the air suction amount is large. The ore pulp and air are self-sucked, the air suction amount is large, the number of auxiliary devices is small, and operation and maintenance are easy.

The invention discloses a multi-component nano inhibitor for flotation separation of high-argillaceous copper sulphide ore and application, the nano inhibitor is a nano calcium carbonate-calcium oxide-sodium humate coating body, the nano inhibitor is applied to flotation separation of the high-argillaceous copper sulphide ore, collaborative optimization of slime inhibition and copper ore selective collection is achieved, and the flotation separation efficiency of the high-argillaceous copper sulphide ore is improved. And high-quality copper sulfide concentrate and sulfur concentrate are obtained. According to the method, the high specific surface area and the surface activity of the nano particles are utilized, under the weak alkaline environment without desliming, through the simple, convenient, economical and efficient mineral processing technology and reagent combination, efficient recovery of copper, gold and sulfur in the high-argillaceous ore is achieved, the use amount of lime is greatly reduced, and the technical problem of tailing sedimentation is solved.

The invention provides application of sodium 2, 3-dimercaptopropanesulfonate as an inhibitor in low-alkalinity copper-sulfur flotation separation, and relates to the technical field of mineral separation. When the compound serves as an inhibitor, the compound, a collecting agent and a foaming agent are prepared into a composite flotation reagent and used for low-alkalinity flotation separation of chalcopyrite and pyrite, flotation separation is conducted through the steps of one-time roughing, at least one-time scavenging and at least one-time concentration after ore grinding and grading, and copper concentrate is collected; the method can effectively solve the problems that the copper-iron separation effect is poor in the process of flotation separation of the chalcopyrite and the pyrite, the copper recovery rate is low due to addition of a large amount of lime and the like, the chalcopyrite and the pyrite can be efficiently separated under the low-alkalinity condition through the specific flotation process, and the flotation effect on the chalcopyrite is improved.

The invention relates to the technical field of mine beneficiation, and discloses a placer movable type gravity separation system and method, and the placer movable type gravity separation system comprises a movable type bearing base, an impact crusher, a spiral classifier and a plurality of parallel shaking tables; a spiral classifier is matched with an intelligent concentration monitoring system. The intelligent concentration monitoring system is composed of an ore pulp concentration sensor, a flow sensor, a PLC and an electric adjusting valve. The feeding end of each shaking table is connected with the discharging end of the spiral classifier through a flow dividing pipeline, and a flow distributing valve is arranged on the flow dividing pipeline. A damping device and crawler-type moving wheels are integrated at the bottom of the movable bearing base, the whole machine is in communication connection with the equipment through a central control cabinet, and data communication and material conveying closed-loop linkage of the raw material crushing unit, the ore pulp grading and concentration regulation and control unit, the multi-machine parallel gravity separation unit, the movable operation regulation and control unit and the central control unit are achieved. The intelligent control framework has the advantages of being accurate in ore pulp concentration regulation and control, high in treatment capacity and stable and reliable in moving operation.

The invention discloses a mechanical wall-cutting and filling mining method for gypsum ore. Aiming at the problems of difficulty in ventilation, high labor intensity, low production efficiency, poor surrounding rock stability and the like in a traditional wall cutting filling method, the method realizes safe and efficient mining of an extremely thin ore body through mechanical ore breaking, precise separation of a photoelectric ore separator and an in-situ immediate filling process of waste rocks. The method comprises the steps of ore block parameter design, mining preparation cutting, mechanical stoping, photoelectric mineral separation, barren rock in-situ filling and goaf ground pressure management, the stope structure and process can be dynamically adjusted according to the thickness and inclination angle of an ore body, and operation accuracy and safety are guaranteed through laser monitoring and supporting measures. According to the method, the mechanization level and mining and stoping efficiency of a gypsum mine mining process are remarkably improved, manual selection operation is reduced or even canceled, the labor intensity and cost of workers are reduced, the operation environment is improved, the stability of surrounding rock is improved, the method is suitable for mining of extremely thin ore bodies and other similar ore bodies under different conditions, and a foundation is laid for mine intelligent construction.

The invention provides an acoustic emission ore pulp granularity online detection system and method based on a Hertz collision mode, and belongs to the technical field of ore dressing process monitoring and control. The system comprises an ore pulp bypass circulation module, a particle size calculation module and a particle size measurement control module. A built-in acoustic emission sensor is used for collecting acoustic emission signals generated by Hertz elastic collision between signal ore pulp particles and a probe; multi-band energy features and time domain features are extracted in combination with wavelet packet decomposition, and a fusion feature vector is constructed by fusing ore pulp flow velocity and density information; the fusion feature vector is input into a BP neural network model after dimension reduction processing, and the proportion of particles with the particle size smaller than a set threshold value in the ore pulp is predicted online. Full-process management of sampling, preparing, measuring and liquid discharging is achieved through automatic control, and the system has the advantages of being high in measuring precision and automation degree, low in cost, high in anti-interference capacity and the like, is suitable for continuous online monitoring of the ore pulp granularity on the ore dressing site and provides data support for flotation process optimization.

The invention relates to the technical field of fluorite ore beneficiation, discloses a fluorite ore flotation composite collecting agent and a preparation method and application thereof, and aims to solve the problems that an existing collecting agent is limited in applicability, insufficient in selectivity, poor in environmental stability and the like and is difficult to deal with separation of fluorite ore containing various impurities or under complex working conditions. The composite collecting agent is composed of dehydroabietylamine, sodium oleoyl sarcosinate, sodium silicate-citric acid composite salt, ethylene glycol butyl ether and a sodium carbonate-sodium bicarbonate buffer pair, all the components have a synergistic effect, dehydroabietylamine provides selective collecting and fine particle agglomeration functions, sodium oleoyl sarcosinate enhances adsorption stability, the composite salt inhibits gangue in a targeted mode, and therefore the adsorption efficiency is improved. Buffer pairs and ethylene glycol butyl ether guarantee the environmental adaptability of a system. The collecting agent can adapt to various fluorite ores with high sulfur, high silicon, low temperature and the like, can stably play a role under different water quality and working conditions, realizes efficient separation of fluorite and impurities, improves the separation efficiency and the concentrate quality, and is flexible in preparation process and convenient for industrial application.

The invention relates to the technical field of ore particle screening, and discloses high-recovery-rate micro-fine-particle magnetite ore dressing equipment which comprises a mounting frame, a protective shell is fixedly mounted on the mounting frame, a screening assembly is arranged on the protective shell, and the screening assembly comprises a three-way pipe. In order to enable the high-recovery-rate micro-fine-particle magnetic iron ore preparation equipment to be suitable for efficient separation of high-added-value micro-fine-particle iron ore, the screening assembly is arranged, the screening assembly is matched with a power motor to drive a large belt wheel through a small belt wheel and a transmission belt, an output shaft drives an auger rod to push ore in a three-way pipe, feeding blockage is avoided, and the high-recovery-rate micro-fine-particle magnetic iron ore preparation equipment is suitable for efficient separation of high-added-value micro-fine-particle iron ore. And meanwhile, a centrifugal motor drives a trilateral frame to drive a centrifugal screen drum to rotate at a high speed, fine particles fall into a discharging hopper through screen holes by utilizing centrifugal force, and coarse particles are discharged from a first discharging pipe through a mounting drum. And the stirring paddle rotates synchronously to prevent the fine particles from accumulating in the funnel.

The invention belongs to the technical field of vanadium enrichment mechanisms of phosphorus vanadium ores, and discloses a research method of a vanadium enrichment mechanism in a diagenetic stage of phosphorus vanadium ores, which comprises the following steps: S1, sample collection and treatment; s2, rock ore identification and mineral composition analysis; s3, analyzing the occurrence state and microcell morphology of vanadium; s4, performing geochemical analysis on the whole rock; s5, in-situ microcell geochemical analysis is carried out; s6, phosphorus nodule analysis; s7, comprehensive analysis and mineralization model establishment; according to the method, mineralogy, total rock geochemistry, micro-area surface scanning and other multi-scale and multi-means research methods are comprehensively utilized, and the vanadium occurrence state, the ore-forming fluid evolution and the phosphorus-vanadium coupling relation are finely described; in-situ microcell geochemical analysis is introduced into phosphorus nodule analysis, the internal structure, the growth sequence and element distribution of the phosphorus nodule are directly revealed, obvious frontier and systematicness are achieved, and reliable theoretical support is provided for accurate exploration of vanadium ore resources and green and efficient dressing and smelting process research and development.

The invention discloses a high-pressure roller grinding system control method and device, and the method comprises the steps: monitoring the actual buffer material level in a buffer bin and monitoring the actual metering material level in a metering bin in the operation process of a high-pressure roller grinding system; under the condition that the actual buffer material level is smaller than a preset buffer material level and the actual metering material level is within a preset metering material level range, whether the first actual material flow, the second actual material flow and the third actual material flow meet a preset balance condition or not is judged, and if not, the second actual material flow and the third actual material flow meet the preset balance condition; if yes, the actual material flow of the second belt and / or the third belt is adjusted according to the first actual material flow, so that the material flow feeding stability in the high-pressure roller grinding system is guaranteed, the reliability of the high-pressure roller grinding machine is improved, meanwhile, it is guaranteed that the efficiency of the whole process is exerted, and the working efficiency is improved. Uniformity and stability of feeding in the high-pressure roller grinding ultra-fine crushing process are guaranteed, and therefore it is guaranteed that the production efficiency of the whole mineral separation process is higher.

The invention discloses a metal mine production big data intelligent analysis method and device and a medium, and relates to the technical field of intelligent mine information, and the device comprises an acquisition and modeling module, an analysis module, a prediction and optimization module and a visualization module; the data acquisition unit is provided with a vibration sensor, a temperature sensor and a geological pressure sensor, and is used for acquiring mine equipment operation parameters, mineral processing process indexes and geological environment parameters in real time to obtain multi-source data; the data preprocessing unit is used for performing timestamp alignment, missing value compensation, noise elimination and unit normalization processing on the multi-source data to obtain standardized multi-source data; the feature extraction unit adopts a multi-head Transform network, performs space-time modeling and semantic feature fusion on standardized multi-source data, and outputs a tensor embedding vector, the risk identification result is converted into an executable process adjustment strategy, the crossing from passive early warning to active optimization is realized, and the efficiency and the intelligent level are enhanced.

The invention discloses a beneficiation optimization control method and system based on a knowledge graph, and relates to the technical field of mineral processing process control, and the method comprises the steps: collecting and preprocessing beneficiation whole process data, and generating an initial multi-modal data set; space-time process elements are extracted based on the initial multi-modal data set, and an initial beneficiation optimization knowledge graph is constructed; establishing a mineral separation process topological graph, bringing process equipment material topology into a mineral separation optimization knowledge graph, and constructing an evolutionary mineral separation optimization knowledge graph; performing timestamp alignment on the initial multi-modal data set through an evolutionary beneficiation optimization knowledge graph to obtain a time axis aligned multi-modal data set; hierarchical time sequence modeling and cross-modal correlation calculation are carried out on the multi-modal data set with the aligned time axes, and multi-modal time sequence correlation features are generated; and the multi-modal time sequence correlation characteristics are input into the evolution beneficiation optimization knowledge graph for reasoning, and an optimal beneficiation control strategy is obtained.

The invention provides a method for measuring the oxidation rate of gold ore, and belongs to the technical field of process mineralogy. According to the method, the proportion of the unoxidized part (metal sulfide and crack) of the gold edge is obtained by measuring the contact length of the gold and the gold edge contact mineral, and the oxidation degree (the proportion of metal oxide and other gangue minerals) of the gold ore is obtained through conversion. Compared with traditional pretreatment modes such as crushing, ore grinding and ore dressing, the scheme does not destroy the original state of gold, and the test result is more accurate. Besides, the content proportion is represented by the proportion of the contact length of the edge contact mineral of the gold mineral and the gold, compared with the proportion of the test area, the error caused by the overlarge exposure area of the large-particle gold mineral can be weakened, the test result is more accurate, and the edge contact length of the gold and other minerals can also reflect the embedding state of the gold. The data measured by the testing method is closer to the actual production, and the definition of the gold ore oxidation rate is met.

The invention relates to the technical field of lead-zinc ore beneficiation, in particular to a lead-zinc ore dense medium grading selection-flotation combined separation system and a separation process, and the system comprises a dense medium separation system and a flotation system. The dense medium separation system comprises a crushing and screening unit, a dense medium coarse fraction separation unit, a dense medium fine fraction separation unit and a fine ore water treatment unit, an outlet of the crushing and screening unit is divided into a coarse fraction outlet, a fine fraction outlet and a fine ore outlet, the coarse fraction outlet is connected with the dense medium coarse fraction separation unit, and the fine fraction outlet is connected with the fine ore water treatment unit; the fine fraction outlet is connected with the dense medium fine fraction separation system, the fine ore outlet is connected with the fine ore water treatment unit, and a coarse fraction gravity concentration concentrate outlet of the dense medium coarse fraction separation unit, a fine fraction gravity concentration concentrate outlet of the dense medium fine fraction separation unit and a concentrated fine ore outlet of the fine ore water treatment unit are connected with the flotation system. The method has the advantages of high economic benefit, low production cost, energy conservation, environment friendliness and the like, and the lead-zinc ore dressing efficiency and the metal recovery rate are effectively improved.

The invention provides a beneficiation method for high-sulfur copper ore containing mud and pyrrhotite, and belongs to the technical field of ore separation processes. According to the method, the mineral processing technology of copper rapid flotation, enhanced flotation, copper rough concentrate differential regrinding, step-by-step concentration, copper tail sulfur flotation and sulfur tail magnetic separation and a CD-ND + CD-SD combined inhibitor are adopted for synchronously inhibiting argillaceous gangue and pyrite, ethionine ester, isopropyl xanthate and ethionine xanthate collect copper minerals step by step, interference of the argillaceous gangue to the preferential copper flotation process is reduced, and the copper flotation efficiency is improved. The effective inhibition on sulfur is realized under the condition of relatively low pH. The copper and sulfur separation technical scheme combining low-alkali-acid-free flotation and magnetic flotation is constructed, interference of argillaceous gangue on the sulfide ore flotation process is reasonably and effectively controlled, the technological process is short and stable, the copper and sulfur separation index is excellent, the copper and sulfur ore separation recovery rate and grade index are improved, and the method is suitable for industrial production. The method effectively solves the problem of clean and efficient beneficiation and recovery of high-sulfur copper ore containing mud pyrrhotite, and provides a new effective method for clean and efficient recovery of similar copper and sulfur resources.

The invention discloses a leucite mineral separation system and process, and relates to the technical field of mineral separation, and the separation system comprises a magnetic field generation mechanism, a conveying assembly, a scraper, a guide plate, a tailing outlet and a concentrate outlet. The magnetic field generating mechanism is used for generating magnetic fields; the conveying assembly is used for conveying concentrate in the forward direction and conveying tailings in the reverse direction, the scraping plate is used for scraping the concentrate from the conveying belt, the flow guide plate is used for guiding flow of the concentrate so as to classify the concentrate, and therefore the purpose of conducting multi-stage classification treatment at a time can be achieved, and the classification efficiency is improved.

The invention belongs to the technical field of flocculant adding, and particularly relates to a flocculant adding device of a medium-large mineral separation deep-cone thickener, which comprises a mixing tank, a bottom frame is fixedly mounted at the bottom of the mixing tank, a first storage box and a second storage box are mounted on a guide rod at the top of the bottom frame, and a first pumping pump is fixedly mounted at the top of the first storage box; a second pumping pump is fixedly installed at the top of the second storage box, a feeding assembly is arranged at the bottom of the bottom frame, a driving motor is fixedly installed at the top of the mixing tank, and a driving rod is rotationally arranged in the mixing tank. According to the flocculant adding device of the medium-large mineral separation deep-cone thickener, mixed liquid can conveniently flow to different positions of the mixing tank to be mixed through the spray holes and the movable ring, so that the mixing efficiency of a flocculant is improved, when the flocculant is mixed and prepared, a driving rod rotates to drive a driving wheel to rotate, the position of the movable ring is adjusted, and the flocculant adding effect is improved. Therefore, the mixed liquid can flow to different positions to be mixed, and the mixing efficiency is improved.

A method for recycling various metals from sintering machine head ash comprises the steps that S1, the sintering machine head ash is subjected to pulping and magnetic separation, and tailing pulp and iron-containing concentrate are separated; s2, settling the tailing pulp to obtain bottom mud and supernate, carrying out filter pressing on the bottom mud to obtain silver-containing tailings and beneficiation water, and mixing the supernate and the beneficiation water to obtain mixed waste liquid; s3, treating the mixed waste liquid to obtain a heavy filter cake and high-salt waste water, and concentrating and separating out salt to obtain potassium sodium salt, condensed water and high-chlorine waste liquid; and S4, leaching the silver-containing tailings by using the high-chlorine waste liquid to obtain a silver-rich liquid, and carrying out an iron powder replacement reaction to obtain crude silver. Through the steps of magnetic separation, sedimentation, leaching and replacement, iron, silver, potassium, sodium and other metals are efficiently recycled, the process is simplified, and the efficiency is improved.

The invention discloses a beneficiation reagent raw material solid mixing device, and relates to the technical field of beneficiation reagent production equipment.The beneficiation reagent raw material solid mixing device comprises a base, an arc-shaped adjusting ring is slidably connected in the base, a first motor is installed at the end of the adjusting ring, and an output shaft of the first motor is fixedly connected with a spherical stirring barrel through a coupler; the spherical stirring barrel is rotationally connected with the adjusting ring, a barrel cover is arranged at an opening of the spherical stirring barrel, a connecting barrel is fixedly connected to the inner bottom wall of the spherical stirring barrel, and a second motor is arranged at the bottom of the spherical stirring barrel. The mixing uniformity and adaptability are improved by means of the multi-dimensional compound motion of the spherical mixing drum; the first motor drives the device to pitch and overturn, and cooperates with the annular baffle to destroy a flow field, eliminate dead angles and prevent layered settlement; and the second motor drives the stirring blade capable of axially sliding, and the stirring blade is dynamically close to the material during rotary shearing, so that radial and axial synchronous mixing is realized, and the efficiency is improved.

The invention relates to the technical field of solid-liquid separation in the mineral separation industry, in particular to a dense overflow solid material recycling device and process, the dense overflow solid material recycling device comprises a plurality of sedimentation tanks, height differences exist among the sedimentation tanks, and a sediment recycling mechanism is arranged in each sedimentation tank and used for collecting and conveying solid materials after sediment; a dissociation mechanism is also arranged in the sedimentation tank and is used for dissociating solid materials; and a separation mechanism is arranged on the extraction mechanism, and solid materials can be conveyed and subjected to solid-liquid separation through vibration. By arranging the sedimentation tank, the sediment recovery mechanism, the extraction mechanism and the separation mechanism, continuous operation can be achieved, and the manual cleaning cost is reduced; the extraction mechanism can realize low-energy-consumption conveying and primary solid-liquid separation, so that subsequent treatment of solid materials is facilitated; and the solid and the liquid can be further separated through the separation mechanism, and the solid can be conveniently recycled in the later period.

A beneficiation method for improving a grade of a magnesium-containing copper sulfide ore concentrate includes: crushing and grinding an ore to a fineness degree allowing 55% to 65% of particles to pass through a 0.074 mm sieve, adding an adjusting agent lime, collecting agents butylxanthate and kerosene, and a foaming agent methyl isobutyl carbinol (MIBC) to obtain a copper-molybdenum-sulfur mixed concentrate; re-grinding the copper-molybdenum-sulfur mixed concentrate to a fineness degree allowing 75% to 82% of particles to pass through a 0.048 mm sieve, adding lime, a magnesium-containing silicate inhibitor, a collecting agent 1, and MIBC to obtain a copper-molybdenum mixed concentrate; and adding sodium sulfide, kerosene, and MIBC to the copper-molybdenum mixed concentrate to obtain a high-grade copper concentrate. The beneficiation method adopts mixed flotation of copper-molybdenum, regrinding for separating copper and molybdenum from sulfur, and magnesium removal from a copper concentrate to allow quality improvement for the copper concentrate.

The invention discloses a method for recovering molybdenum from tungsten smelting soda boiling slag through flotation, and relates to the technical field of comprehensive utilization of tungsten smelting resources. Step 2, grading and desliming; step 3, elutriation and reagent removal; 4, potential regulation and control; and fifthly, flotation enrichment is conducted. According to the method, a pre-treatment scheme of ore grinding scrubbing and desliming elutriation is innovatively adopted, a Ca (OH) 2 passivation layer and CaCO3 colloidal precipitate adsorbed on the surface of the ore are removed, fine silt of-15 microns is removed, the inevitable ion cover effect is eliminated, and the pH value of a flotation system is reduced; through an innovative reagent combination and a progressively-decreased reagent system, the overall grade of the concentrate is remarkably improved, and the recovery rate of molybdenum is greatly increased; according to the method, a large amount of acid-base reagents are not introduced, acid-base wastewater is not generated, the process is simple, large-scale treatment can be achieved, closed-loop circulation of mineral separation water can be achieved, wastewater discharge is avoided, the process is environmentally friendly and free of pollution risks, tailings can be directly discharged after soda boiling residues are subjected to harmless treatment, and the environment-friendly treatment cost is low.