383 results about "Mineral flotation" patented technology

The invention belongs to the technical field of oil-gas-water separation equipment, and discloses an ultrasonic detonation rotational flow microbubble flotation device which comprises a vertical container tank with inner and outer stepped double-barrel design and a separation inner barrel, an oil gathering umbrella is arranged on the upper portion of the interior, an oil discharge connector is arranged on the outer wall of one side, and surrounding physical demulsification coalescence filler is arranged on the upper portion of the area between the tank and the inner barrel. And the lower part of the separation inner cylinder is provided with a reverse symmetrical double-tangential rotational flow inlet, the bottom of the separation inner cylinder is externally provided with a purified backflow water inlet and is communicated with the purified water diversion outlet in a process manner, and the bottom of the separation inner cylinder is internally provided with a gas-water mixer and an ultrasonic knocker. By combining ultrasonic cavitation, rotational flow centrifugation, micro-nano bubbles and physical coalescence demulsification technologies, the diameter of the bubbles is reduced by 15 microns or below through the ultrasonic detonation cavitation effect, fine oil drops and suspended particles which are difficult to treat through traditional flotation and are 10 microns or below can be captured, the method is suitable for multi-phase separation of discrete high-concentration fine pollutants, and the flotation efficiency is improved. Complex separation scenes such as oily sewage, micro-plastics and mineral flotation can be treated.

The invention discloses a method for improving the mineral flotation recovery rate through hydrophobic nanoparticle armored bubbles, belongs to the technical field of mineral flotation, and can solve the problems of low flotation recovery rate and the like in the existing flotation technology. The hydrophobic nano particles comprise any one of carbon black, coal, graphite particles, cyclodextrin, hydrophobic modified nano silicon dioxide particles, hydrophobic modified fly ash, hydrophobic modified kaolin micro-nano particles and polystyrene nano particles; according to the method, the hydrophobic nanoparticles are used for armoring bubbles, so that the hydrophobic acting force between particles and the bubbles can be enhanced, and the flotation efficiency is improved; in addition, the existence of the nano-particles is easier to puncture liquid films of the particles and the bubbles, and the induction time is shortened. And meanwhile, the adhesion stability of mineral particles and bubbles is improved.

The invention discloses a flotation froth image feature extraction method based on adaptive multi-scale weighted fusion, and belongs to the technical field of intelligent monitoring and image processing in the mineral flotation process, and the method comprises the steps: fusing a color histogram, texture and edge features, and depth features extracted by VGGNet, GoogLeNet and ResNet; and mapping and fusion of multi-modal features are realized by using a self-adaptive multi-scale weighted feature fusion network. And dynamic weighting and fusion are carried out on different characteristic modes through a nonlinear neural network model, and unified characteristic representation is generated to be used for accurate representation of the flotation froth state. The method has the advantages of high recognition precision, high robustness and flexible deployment, online monitoring, optimal control and index prediction of the flotation process can be effectively supported, and reliable technical support is provided for an industrial field.

The invention relates to a flotation process automatic control method for intelligently optimizing a reinforcement learning algorithm. In the mineral flotation operation process, a flotation reagent system needs to be precisely controlled, for example, the dosage of reagents such as a collecting agent, an inhibitor and a foaming agent is adjusted, or process reaction parameters such as the pH value of ore pulp, the flotation temperature and the reagent reaction time are adjusted, so that the flotation index reaches the best, and maximum utilization of mineral resources is achieved. Main equipment for adding flotation reagents is a variable frequency pump, the reagent amount is adjusted through PID, meanwhile, process index data of a flotation tank are collected through a sensor, the whole control algorithm is optimized through improved FPA reinforcement learning, flotation process index data parameters serve as environment state observation values of reinforcement learning intelligent agents, and the flotation process index data parameters are calculated. Meanwhile, the design environment is rewarded according to the conditions meeting the flotation requirements, and the intelligent agent is trained through repeated environment interaction. And finally, during operation, the intelligent agent continuously gives an optimal action value parameter of a flotation cell actuator in real time, and unmanned reinforcement learning optimization control of mineral flotation is achieved.

The invention provides a beneficiation and enrichment method for high-molybdenum oxide ore, which comprises the following steps of: performing fraction magnetic separation on a product after ore grinding, regrinding magnetic separation coarse particle tailings, mixing the reground product with magnetic separation fine fraction tailings to perform low-potential sulphide ore flotation, performing oxidized ore flotation on sulphide ore flotation tailings, and the like. And finally, the molybdenum concentrate with the high recovery rate and grade is obtained, the molybdenum ore separation and enrichment effect is achieved, and the fine disseminated-particle-size refractory molybdenum oxide ore resources in the high-oxidation-type molybdenum ore are effectively and comprehensively recycled. In order to quickly optimize and obtain the optimal condition of oxidized ore flotation, the flotation inhibitor with the good inhibition effect is determined through the pure ore flotation test, the flotation collecting agent with the high selectivity is selected through the molecular simulation calculation method, and the flotation efficiency and selectivity are improved. The method provided by the invention can be widely applied to the fields of development of high-oxidation molybdenum ore mines and recycling of fine-fraction refractory molybdenum oxide ore resources in tailings after sulfuration flotation.

The invention provides a flotation separation method for complex and difficult-to-separate high-sulfur copper ore, and belongs to the field of mineral flotation, lime is adopted to adjust ore pulp to a low-alkali environment, and efficient recovery of valuable elements of copper, silver and sulfur is achieved under the combined action of an inhibitor and a synergist. A low-alkali copper separation process is adopted, copper-sulfur intergrowth and silver-containing minerals are prevented from being strongly inhibited in a high-alkali ore pulp environment, regrinding is introduced before copper concentration operation to promote dissociation of the copper-sulfur intergrowth, and the grade of copper concentrate is improved. During copper roughing, gangue minerals and pyrite are inhibited by adopting an inhibitor to prevent the gangue minerals and the pyrite from forming a cover on the surface of metal minerals, and selective inhibition on the pyrite is generated in the forms of strong oxidation, electrostatic adsorption, hydroxylated metal point adsorption and the like on the surface of the pyrite; the synergist is adopted to change the surface charge of gangue minerals, the argillaceous gangue is prevented from forming a mucus coating on the surface of the chalcopyrite by means of electrostatic repulsion, meanwhile, the flotation froth performance is enhanced, floating of the chalcopyrite is accelerated, and the copper separation effect is optimized.

The invention discloses a method for quantitatively characterizing the adsorption capacity of carboxylate and hydroximic acid on the surface of a mineral, and belongs to the technical field of mineral flotation separation and detection. The invention aims to provide a method which is simple to operate and good in test repeatability, and solves the problem that the adsorption quantity of each reagent after the carboxylate and hydroximic acid combined reagent is used cannot be quantitatively represented in the current mineral flotation separation. The method mainly comprises the following steps: (1) preparing a mineral sample and a combined reagent; (2) interacting the medicament with the mineral; (3) preparing a sample to be detected; (4) establishing a measurement method; and (5) quantitatively characterizing the adsorption capacity of the medicament. According to the quantitative characterization method provided by the invention, the defect that the adsorption capacity of the mineral, the carboxylate and the hydroximic acid combined medicament cannot be quantitatively characterized after the mineral acts is overcome.

The invention relates to the technical field of mineralogy, and provides a prediction method for mineral flotation yield. According to the method, the content and dissociation degree of the target minerals under different size fractions are accurately obtained through the technologies of ore grinding, system screening and automatic mineralogy analysis, the yield prediction method based on the mineral selectability physical model is established, the crossing from elements to minerals and from the whole to the size fractions can be achieved, and the yield prediction accuracy is improved. And a brand-new, scientific and reliable technical reference is provided for precise prediction and process optimization of the sulfide ore flotation yield.

The invention belongs to the field of mineral flotation, and particularly discloses an inhibitor, a flotation reagent and a method for flotation separation of molybdenite and other metal sulfide ores, and the flotation inhibitor is a compound with a formula 1 # imgabs0 # structure; r1 is a substituted alkyl group with an active group; r2 is H, a sulfonic group or a substituent which is the same as R1; the active group comprises at least one of hydroxyl, amino, carboxyl and sulfonic group. The inhibitor in the formula 1 can selectively inhibit metal sulfide ores such as copper, lead and iron, but basically does not inhibit molybdenite, so that selective flotation separation of the molybdenite and the sulfide ores such as copper, lead and iron can be realized.

The invention belongs to the technical field of mineral flotation, and particularly discloses a method for recovering whole-fraction iron lepidolite through combination of multi-stage magnetic separation and synergistic flotation. Comprising a matched compound collecting agent which is composed of sodium dodecenesulfonate, amino acid methyl thiohydracrylate, an amphoteric polyacrylamide polymer, carboxyethylidene diphosphonic acid and polyethylene glycol, and efficient recovery of whole-size-fraction iron lepidolite is achieved by matching with a corresponding magnetic separation-flotation combined process. The compound collecting agent generates static electricity and physical and chemical adsorption on the iron lepidolite through specific groups such as sulfonic acid groups, carboxyl groups, amino groups, acylamino groups and phosphate groups, exerts excellent selectivity and collecting functions, generates a dispersion effect and a chelating flocculation effect on micro-fine-particle iron lepidolite, and well cooperates with multi-stage magnetic separation to recover whole-particle-size iron lepidolite, so that the recovery rate of the whole-particle-size iron lepidolite is increased, and the recovery rate of the whole-particle-size iron lepidolite is increased. And the existing combined beneficiation process of the iron lepidolite is optimized, the cost and the environmental influence are reduced, and technical support is provided for sustainable development of lithium resources.

The invention relates to a fine-grain mineral reinforced mixing and size mixing device and method, belongs to the technical field of mineral flotation stirring and size mixing, and solves the problem that the stirring and size mixing device in the prior art cannot meet the requirements of high dispersion and collision between fine-grain minerals and flotation reagents due to the single structural design. The device comprises a barrel body, a chemical adding mechanism and a wheel-paddle coupling pulp mixing mechanism, the chemical adding mechanism is arranged on the outer side of the barrel body, the wheel-paddle coupling pulp mixing mechanism is used for intensively mixing and mixing pulp in the barrel body, and an inner cavity of the barrel body is divided into a feeding distribution area, an opposite impact area and a shearing impact area from bottom to top. Based on horizontal shearing turbulent flow collision at the bottom of the barrel body and vertical shearing turbulent flow collision at the top of the barrel body, vortex shearing of ore pulp and an agent fed into the barrel wall in a top impeller area and secondary convection collision reinforcement between impeller propelling paddle areas are achieved, dispersion, collision and adhesion of fine-grain minerals and the agent are enhanced, the pulp mixing time is shortened, and the pulp mixing efficiency is improved.

The invention provides a preparation method of high-purity quartz sand, and relates to the technical field of mineral flotation. The preparation method of the high-purity quartz sand comprises the following steps: grinding and grading feldspar powder, then sequentially carrying out magnetic separation and flotation to obtain quartz concentrate, carrying out chloridizing roasting on the quartz concentrate, then carrying out quenching treatment to obtain activated quartz, carrying out acid leaching treatment on the activated quartz, filtering, and cleaning filter residues to obtain the high-purity quartz sand. According to the preparation method of the high-purity quartz sand, provided by the invention, the lepidolite mineral separation tailing feldspar powder can be fully and efficiently utilized.

The invention provides a collecting agent for micro-fine particle quartz ore and a preparation method and application of the collecting agent, and relates to the technical field of mineral flotation. Specifically, the preparation method of the collecting agent comprises the steps that a mixture containing the graphene and the sodium oleate is subjected to cold plasma treatment, and the graphene and the sodium oleate are grafted to obtain the collecting agent. The collecting agent can be used for mineral flotation, and high-purity quartz can be efficiently obtained; on the basis of the net capturing performance of graphene and functional groups corresponding to grafted sodium oleate, the flocculation effect on micro-fine quartz is achieved, so that the quartz is efficiently captured, the problem that the fine quartz is free in ore pulp due to large free energy in the flotation process and is difficult to capture and float is solved, the flotation separation efficiency is improved, the separation index is improved, and the flotation cost is reduced. Good application prospects are realized.

The utility model relates to the technical field of mineral flotation, in particular to an automatic dosing mechanism for ilmenite flotation, which comprises a reaction kettle, the input end of the reaction kettle is connected with a plurality of medicine boxes through communicating pipes, a liquid level meter is arranged in the reaction kettle, and automatic dosing and mixing are realized when the liquid level drops. The output end of the reaction kettle is provided with a first electromagnetic valve and is communicated with a chemical conveying pipeline, mixed chemical liquid is shunted and conveyed into the flotation machines through the chemical conveying pipeline, and flotation of ilmenite in multiple flotation machines can be achieved at the same time; the medicine conveying pipeline is connected with a reflux pump, and when the medicine conveying pipeline is blocked by medicine residues, the reflux pump is started to wash the medicine conveying pipeline; the medicine conveying pipeline comprises a main pipeline, the main pipeline is communicated with a plurality of flow dividing pipelines, constant pressure valves are arranged on the flow dividing pipelines, the pressure in the main pipeline and the flow dividing pipelines is kept within a constant range, and it is guaranteed that the flow dividing pipelines output medicine liquid.

The present invention belongs to the field of mineral flotation, and specifically relates to a flotation preactivator for antimony oxide ore, comprising an electrolyte, a tartaric acid source and a sulfiding agent; the electrolyte is a water-soluble inorganic salt; the tartaric acid source is tartaric acid and its water-soluble salt; the sulfiding agent is a water-soluble organic sulfide containing at least one group of HS-, -S-. The present invention also includes a method for activating antimony oxide ore and flotation using the activator. In the present invention, the activator can effectively improve the flotation performance of the antimony oxide ore.

First measurement results are received from a characterization system in an ore processing plant. The first measurement results characterize a sample of mineral rotation feed. A first set of mineral characteristics of the sample of mineral rotation feed are determined based on the first measurement results. Respective similarities are determined between the first set of mineral characteristics and a plurality of predetermined sets of mineral characteristics that are each associated with one or more corresponding sets of rotation treatment parameters. A first set of rotation treatment parameters is selected based on the respective similarities. The first set of rotation treatment parameters is transmitted to a rotation processing system for separation of mineral components according to the first set of rotation treatment parameters.

The invention belongs to the technical field of mineral flotation, and particularly relates to a nanocellulose-based coal slime collecting agent and a preparation method and application thereof. Wet-grinding the dried absorbent cotton, drying again, acidizing, filtering, washing and centrifugally drying to obtain precursor cellulose; dissolving the precursor cellulose in deionized water, adjusting the pH value to 10, adding an ethanol solution of alkyltriethoxysilane, heating, stirring for reaction, naturally cooling, centrifuging, washing and drying to obtain hydrophobic nano cellulose; and the hydrophobic nanocellulose and the non-polar hydrocarbon oil are evenly mixed, and the coal slime collecting agent is obtained. The prepared coal slime collecting agent contains the hydrophobic nanocellulose which is high in softness and has a net-shaped structure, in the flotation process, adhesion of bubbles and minerals can be promoted, diffusion of the bubbles is promoted, and the flotation efficiency and the recovery rate are improved.

The invention provides a mineral flotation fine bubble flow velocity online detection method and device based on a bubble image, and belongs to the technical field of mineral flotation. The method comprises the following steps: acquiring a foam image through an industrial camera, performing working condition identification on the foam image based on an image definition detection algorithm, and performing illumination compensation when the working condition is normal; extracting an image feature graph representation F and a feature reliability graph representation R of the target foam image through the feature extraction backbone network; pixel-level key points are extracted based on the target foam image through a key point detection branch; key point matching is carried out based on the image feature map representation F corresponding to the two adjacent frames of target foam images through a matching refinement module; taking a displacement average value of all key point matching results as the flow velocity of the next frame of target foam image; the actual final flow velocity is obtained according to the flow velocity of the current frame of target foam image and the preset frame number of target foam images before the current frame of target foam image, and the accuracy and stability of flow velocity online detection are improved.

The invention belongs to the technical field of mineral flotation separation, and particularly relates to a complexing inhibitor and application thereof in mineral flotation separation of smithsonite and calcium-containing gangue. The complexing inhibitor provided by the invention is prepared by complexing a flavonoid organic compound and aluminum ions, is used for flotation separation of smithsonite and calcium-containing gangue minerals, can be selectively adsorbed on the surface of the calcium-containing gangue, effectively inhibits the floatability of the calcium-containing gangue, and has the advantages that compared with a traditional agent, the complexing inhibitor is simple in preparation method and low in cost; the method has the advantages of being high in separation efficiency, small in reagent dosage, environmentally friendly and the like, the grade and the recovery rate of smithsonite can be remarkably improved, and the method has important significance on efficient recycling of zinc oxide resources.

The invention provides a lepidolite flotation collecting agent and a preparation method and application thereof, and relates to the technical field of mineral flotation. The preparation method of the lepidolite flotation collecting agent comprises the following steps that S1, methyl alcohol and concentrated sulfuric acid are evenly mixed to obtain a solution A; s2, adding modified salicylhydroxamic acid into the solution A, and uniformly mixing to obtain a solution B; s3, adding water, sulfonated oleic acid and fatty alcohol-polyoxyethylene ether into the solution B, uniformly mixing to obtain a solution C, and heating and stirring the solution C to obtain the lepidolite flotation collecting agent. According to the lepidolite flotation collector, effective flotation of lepidolite is achieved, and the recovery rate of lepidolite is increased.

The utility model relates to the technical field of flotation machines, and discloses an ore scraping device for a mineral flotation machine, which comprises a flotation machine body, a bracket and a supporting plate which are fixedly connected to the top of the flotation machine body, a stirring mechanism arranged at the top of the bracket, and a driving mechanism arranged at the top of the supporting plate, a connecting mechanism is arranged below the bracket and the supporting plate; the mineral foam cleaning device can drive the scraper to descend in a reciprocating mode and scrape and clean mineral foam attached to the inner wall of the flotation machine body so as to reduce the possibility that the mineral foam is accumulated on the inner wall of the flotation machine body, and meanwhile the mineral foam cleaning device can reduce the possibility that minerals are accumulated on the surface of the scraper and influence normal use of the scraper. The problems that when part of flotation machines are used at present, part of foams with minerals are prone to being attached to the inner walls of the flotation machines, follow-up floating and moving of the foams can be affected for a long time, and meanwhile mineral collection can be affected are solved.

The invention belongs to the field of mineral flotation, and particularly relates to a method for enriching rubidium and / or cesium in minerals through flotation, which comprises the following steps: mixing to-be-selected minerals containing at least one target element in rubidium and / or cesium with a flotation reagent containing a collecting agent shown in formula 1 for flotation, and collecting to obtain flotation concentrate enriched with the target element; r is alkyl of C10-C18, and M is H, Na, K or ammonium ions. Researches show that the formula 1 is innovatively adopted as the collecting agent, and the collecting agent can be based on intramolecular-COO and R-N-at the alpha position of the intramolecular-COO, so that the collecting characteristics of the rubidium and / or cesium minerals can be synergistically and adaptively achieved, and the excellent collecting and enriching effect of the rubidium and / or cesium minerals can be obtained.

The invention discloses a flotation method for micro-fine particle oxidized ore, belongs to the technical field of mineral flotation, and aims to solve the problem of poor flotation effect of the micro-fine particle oxidized ore caused by residual valuable minerals in flotation tailings of the micro-fine particle oxidized ore in the prior art. The method comprises the steps that raw ore particles and a flotation reagent are mixed and mixed in a stirring and size mixing barrel; the mineral slurry is fed into a flotation machine for roughing, and roughing concentrate and roughing tailings are obtained; the roughing concentrate is fed into a flotation machine for concentration, concentration concentrate and concentration tailings are obtained, and roughing is conducted on the concentration tailings again; the roughing tailings and a scavenging collecting agent are mixed and then scavenged, and scavenged concentrate and scavenged tailings are obtained; and scavenging concentrate is subjected to roughing again. The method can be used for flotation of micro-fine particle oxidized ore.

The invention belongs to the field of mineral flotation, and particularly relates to a collecting agent, a flotation reagent and a method for flotation of ilmenite, the collecting agent comprises at least one of a collecting agent a, a collecting agent b and a collecting agent c, the collecting agent a is a component with a formula 1 # imgabs 0 # structure, and the collecting agent b is a component with a formula 2 # imgabs 1 # structure; and the collecting agent c is a component with a structure as shown in a formula 3 # imgabs2 #. Researches show that an adopted collecting agent a and / or a collecting agent b can serve as a high-selectivity collecting agent of the ilmenite and have / has the high collecting capacity for the ilmenite, in addition, the collecting agent a and / or the collecting agent b do not have the collecting capacity for gangue minerals such as titanaugite and can be suitable for flotation separation of the ilmenite and the gangue minerals such as the titanaugite, and therefore the flotation separation efficiency of the ilmenite and the gangue minerals such as the titanaugite is improved. And high-grade titanium concentrate is obtained.

The present invention belongs to the field of mineral flotation, and specifically discloses a method for inhibiting the flotation of sulfide ores, wherein a compound of formula 1 is used as an inhibitor to inhibit the flotation of sulfide ores. The present invention also provides a flotation agent and method for inhibiting pyrite and flotating pyrite, comprising the inhibitor, a collector and a frother. In the present invention, the inhibitor can inhibit sulfide ores, but when combined with the collector, it can maintain the targeted inhibition advantage of pyrite and significantly reduce the targeted inhibition advantage of chalcopyrite, so that high-selective separation of pyrite and chalcopyrite can be achieved.

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 mineral flotation, and particularly discloses a xanthate collecting agent and a preparation method and application thereof, and the xanthate collecting agent is obtained by taking ether alcohol, carbon disulfide and caustic alkali as raw materials to react; the xanthate collecting agent is selected from at least one of formulas I-VI. The xanthate collecting agent has the advantages of being free of peculiar smell, easy to degrade, high in yield, high in purity, efficient in mineral flotation and the like, the working environment of the xanthate collecting agent in the production and using process can be effectively improved, operation is easy and convenient, cost is low, and industrial production is easy to achieve.

The invention discloses an efficient mineral selective flotation reagent and application thereof, and aims to improve the selectivity and recovery rate of mineral flotation. The composition comprises a first precursor (P1), a second precursor (P2), and a resonance activation adjuvant (Aux). The first precursor P1 has an anchoring group capable of acting on the surface of a target mineral and a first reactive functional group; the second precursor P2 includes a hydrophobic group and a second reactive functional group capable of a ligation reaction with the first reactive functional group of P1. The application method comprises the following steps: adding P1 and Aux into ore pulp to react with minerals; and applying an external energy field (such as ultrasonic wave or illumination with specific wavelength) to activate P1 and Aux adsorbed on the surface of the mineral. Through an in-situ interface reaction strategy assisted by an external energy field, directional adsorption and effective coverage of the agent on the surface of the mineral are remarkably improved, flotation dynamics is improved, flotation requirements of different mineral types can be met, and a new technical approach is provided for efficient utilization of complex and refractory ores.

The invention belongs to the technical field of mineral flotation, and particularly relates to a cellulose-based coal slime collecting agent and a preparation method and application thereof. The method comprises the following steps: performing wet grinding on recycled waste paper to obtain a paper pulp solution, stirring until paper pulp fibers are uniformly dispersed, adding excessive lithium chloride and sodium periodate, performing stirring reaction, cleaning and centrifuging to obtain precursor cellulose, performing amino alkylation modification to obtain amino alkyl cellulose, preparing the amino alkyl cellulose into a 20 g / L solution, and performing vacuum drying to obtain the lithium ion battery cathode material. And then uniformly mixing with non-polar hydrocarbon oil according to the volume ratio of 1: 2 to obtain the coal slime collecting agent. The prepared coal slime collecting agent contains the hydrophobic nanocellulose with the large length-diameter ratio, in the flotation process, adhesion of bubbles and minerals can be promoted, diffusion of the bubbles is promoted, and the flotation efficiency and the recovery rate are improved.

The invention belongs to the technical field of mineral flotation, and discloses multi-stage regulation mineral flotation separation equipment which comprises a flotation separation equipment body, and further comprises a pre-filtering device, a separation device and a control device, and the pre-filtering device is arranged at the top of one end of an inner cavity of the flotation separation equipment body; the water inlet pipe is fixedly mounted on one side of the top of the flotation separation equipment body; according to the technical scheme, through the arrangement of the dispersing device and the shaking device, when the dispersing device runs, the top of one end of the dispersing device can be rotated, so that minerals and sewage which are guided into the bottom of the water inlet pipe can be driven to flow integrally, and large mineral impurities can be rotated by the dispersing device to uniformly fall on the top of a filter screen plate; meanwhile, the shaking device can be synchronously driven to drive the whole filter screen plate to shake up and down, so that the uniform dispersion efficiency is greatly improved, large mineral particles can be finally prevented from being accumulated to block the filter screen plate, and the filtering fluency and efficiency of the filter screen plate are greatly improved.