195 results about "Hydrocyclone" patented technology

The utility model discloses an oily wastewater hydrocyclone separation integrated recovery device, which relates to the technical field of resource recovery, and comprises a base, the outer wall of the base is fixedly connected with a controller, and the outer wall of the top of the base is fixedly connected with a wastewater tank. When a threaded rod rotates, a U-shaped plate is driven to slide on a guide rod, then when the U-shaped plate moves, the U-shaped plate is inserted into a square groove to fix a filter plate, when the U-shaped plate moves, a sliding rod is pushed to move, then when the sliding rod moves, an extension spring is stretched, and when the sliding rod moves, the sliding rod is inserted into a circular groove to fix the filter plate. According to the oil waste water filtering device, rapid installation is achieved, tedious installation operation is not needed when the filtering plate is installed, the installation and fixing mode is more convenient, the working time is effectively shortened, then the filtering plate can be rapidly disassembled when replaced, and meanwhile impurities and scrap iron in oil waste water can be separated through the filtering plate.

The present invention relates to the improvement applied to the discharge chamber of static machine elements used in the devices known as hydrocyclones, integrated into the stage of verification of the quality of the size of the ore after the stage of fragmentation, and its method of assembly, coupling and separation in relation to the body of the hydrocyclone, represented by the evolution solution in the industrial and commercial sector of the equipment for the classification / separation of particles of the ore that has undergone the program of concentration, desliming, solid recovery and closed grinding circuit, applied in particular in the equipment known as hydrocyclone (Eq), where, to solve the problem of premature wear and complex maintenance of the discharge chamber of static machine elements, the present invention is implemented with an improvement in the design of its structure, making it consist of three parts: lower part (10), male quick coupling part (20) and fixed base (30). A design of quick coupling / separation of the lower part (10) is presented, operable for the verification of the integrity of the cutting diameter (H), which differs in that it is sufficient to perform the quick separation / coupling of the assembly comprising the lower part (10) and the male quick assembly coupling part (20).

The invention relates to a method and device for designing a spatial streamline inlet of a rotational flow separator, and the method comprises the steps: determining an inlet angle alpha, a wrap angle beta, an incident angle gamma and an overturning angle theta of the inlet of the rotational flow separator according to the performance requirements of the rotational flow separator; the method comprises the following steps: selecting a control point at a rotational flow separator, generating a basic shape of a characteristic bus of the spatial streamline inlet through a spline curve equation, then selecting a type value point to carry out iterative optimization on the bus shape, and determining a final curve shape of the spatial streamline inlet through an entrance angle, a wrap angle, an incident angle and a flip angle; based on the inlet shape of the rotating flow separator, the section shape of a space streamline inlet is designed through a Bezier curve equation; and according to the final curve shape and the section shape of the spatial streamline inlet, the spatial streamline inlet structure of the rotating flow separator is determined. Compared with the prior art, pre-separation of particles / liquid drops is achieved through fluid inertia accelerated rotation, and the separation efficiency of the hydrocyclone is improved.

The invention relates to the technical field of oil-water separation, and discloses a hydraulic cyclone oil-water separation system and an air flotation device. The system comprises a multi-stage series hydraulic cyclone tank, a first-stage water chamber outlet is connected with a second-stage water inlet, and a second-stage water chamber outlet is connected with a buffer tank; the buffer tank reflux inlet is connected with the first-stage water inlet; the liquid level control module detects and controls the liquid level and the oil layer thickness of each stage of rotational flow tank. The system operation stability and the oil-water separation efficiency are improved.

A sand separation system includes a first hydrocyclone and a second hydrocyclone. The first hydrocyclone includes a first adjustable apex via which underflow of the first hydrocyclone is conveyed. The second hydrocyclone includes a second adjustable apex via which underflow of the second hydrocyclone is conveyed. A first apex aperture diameter of the first adjustable apex is greater than a second apex aperture diameter of the second adjustable apex.

The utility model relates to the technical field of silt separation, provide a kind of tunnel silt separation's hydraulic cyclone, comprising: hollow cylinder, the inner wall of the upper end in the hollow cylinder is fixedly installed with helical blade, the outer surface of the upper end of the hollow cylinder is fixed feed pipe, further comprising: baffle, fixedly installed in the outer surface of the helical blade upper end;Silt-containing liquid enters the inside of hollow cylinder by feed pipe, the upper end in the inside of hollow cylinder is provided with helical blade, helical blade is fixedly installed on the inner wall of hollow cylinder, liquid can improve the intensity of rotational motion by helical blade, improve centrifugal force, so that silt in liquid is thrown to the inner wall of hollow cylinder, along the inner wall and move to the inside of cylinder, discharge by conical discharge pipe, the upper end of helical blade is fixedly installed with baffle, prevent liquid rotational motion when affecting the entry of silt liquid in feed pipe interior, improve the rotational intensity of silt liquid.

This utility model discloses a novel hydrocyclone tube, relating to the field of hydrocyclone oil-water separation technology. It includes a hydrocyclone, an inlet connector, and an outlet pipe. The end of the outlet pipe is connected to an outlet passage, and the outlet pipe and outlet passage are interlocked with a first sealing element between them. A first convex ring is provided on the outlet pipe, and a second convex ring is provided on the outlet passage. The first and second convex rings are connected by a sealing connector, forming a sealed chamber. A second sealing element is provided between the first convex ring and the sealing connector, and a third sealing element is provided between the second convex ring and the sealing connector. This utility model achieves a stable sealed connection between the outlet pipe and the outlet passage, ensuring uniform liquid inflow and preventing inlet blockage. Several hydrocyclone plates are evenly arranged on the surface of the hydrocyclone, optimizing the hydrocyclone effect and achieving efficient oil-water separation. Furthermore, the hydrocyclone is connected to the inlet connector via a snap-fit ​​structure, facilitating disassembly and cleaning of the hydrocyclone.

The utility model relates to a multi-metal low-grade flotation tailing metal recovery system which comprises a stirring barrel, a discharging port of the stirring barrel is connected to a feeding port of a hydrocyclone through a sand pump, a sand settling port of the hydrocyclone is connected to a feeding port of a ball mill, and a discharging port of the ball mill is connected to a feeding port of a sand pump pool. An overflow opening of the hydrocyclone is connected to a feeding opening of the roughing flotation machine, a concentrate discharging opening of the roughing flotation machine is sequentially connected to the first flotation classificator, the second flotation classificator and the third flotation classificator, and a concentrate discharging opening of the third flotation classificator is connected to the first cyaniding carbon pulp system. According to the recovery system, concentrate and tailings of raw ore are subjected to roughing separation, then the roughing concentrate and the roughing tailings are subjected to three-stage concentration and two-stage scavenging, valuable metal is enriched in the concentrate as far as possible, the concentrate grade is improved, the scavenged tailings are further enriched and recovered through two-stage magnetic separation, and the recovery efficiency is improved. And finally, valuable metals in the concentrate are efficiently recovered by combining a cyaniding carbon slurry system.

The utility model discloses a hydrocyclone with a water replenishing structure, and relates to the technical field of hydrocyclones, the hydrocyclone comprises a hydrocyclone main body, the outer wall of the hydrocyclone main body is fixedly connected with a water replenishing pipe, the outer wall of the bottom of the hydrocyclone main body is provided with a discharge port, and the water replenishing pipe is fixedly connected with the discharge port. The outer wall of the discharging port is fixedly connected with a discharging pipe, the outer wall of the discharging port is provided with a control mechanism, the control mechanism comprises a limiting ring, the outer wall of the limiting ring is fixedly connected with the inner wall of the water supplementing pipe, and when equipment needs to be used, an external water pipe is injected into the hydrocyclone body through the water supplementing pipe for water supplementing; the separation efficiency of ore and other objects in the hydrocyclone body can be improved, when the flow speed of water needs to be controlled, the worm is rotated to drive the worm gear to rotate, the limiting shaft on the innermost side rotates, a user can conveniently inject external water into the hydrocyclone body, and the device can freely control the flow speed of the water.

A system (100) for processing sand product includes a process tank (104) having a first compartment (104a), a second compartment (104b) in fluid communication with the first compartment (104a), and a third compartment (104c) isolated from the other compartments. The system (100) also includes a first hydrocyclone (116) that receives a sand mixture comprising the sand product and water from the first compartment (104a), and separate the sand mixture into wet sand and a clay mixture. The second compartment (104b) receives the wet sand and clay mixture from the first hydrocyclone (116). A second hydrocyclone (120) receives the wet sand and the clay mixture from the second compartment (104b), and further separates the wet sand from the clay mixture to produce a clay product that includes a fully hydrated clay material. The third compartment (104c) receives the clay product from the second hydrocyclone (120)

This disclosure relates to the field of waste resource utilization technology, and in particular to a method and apparatus for preparing coal gangue blasting abrasive, as well as the coal gangue blasting abrasive itself. The method includes: feeding coal gangue tailings to a hydrocyclone for coal slime removal to obtain coarse-grained coal gangue; centrifuging the coarse-grained coal gangue to obtain dehydrated coal gangue; and feeding the dehydrated coal gangue into a hot air drying system for drying to obtain dried coal gangue blasting abrasive. Through targeted coal slime removal, the amount of dust generated during the blasting process of the coal gangue blasting abrasive can be reduced, improving the environment; processing coal gangue tailings into coal gangue blasting abrasive results in extremely low raw material costs, and the entire process allows for wastewater recycling without secondary pollution.

The invention relates to a hydrocyclone device (1) for centrifugal separation of solids from a suspension, comprising at least one first hydrocyclone (2.1), at least one second hydrocyclone (2.2) and a common feed chamber (10) with a feed opening (10a) for introducing a suspension feed stream into the common feed chamber (10) and a plurality of flow outlets (11.1, 11.2, 11.3, 11.4) corresponding to the first and second hydrocyclones (2.1, 2.2) for leading respective shares of the suspension out of the common feed chamber (10) into first and second inlets (4.1, 4.2) of the first and second hydrocyclones (2.1, 2.2), wherein the common feed chamber (10) is designed as an annular chamber to which the feed opening (10a) is connected in order to form a circulation.

The invention relates to a combined separation and recovery process for low-grade associated tantalum-niobium-tin ores. The combined separation and recovery process comprises the following steps: feeding raw ores into a linear sieve for sieving; oversize products are fed into a first-section ball mill, and ore is discharged into a spiral classifier for classification; graded returned sand is returned to the second-stage ball mill for regrinding, graded overflow is fed into a weak magnetic roller, iron-removed non-magnetic ore pulp is fed into a high-frequency coarse screen, oversize products are fed into the second-stage ball mill for fine grinding, undersize products are fed into a hydrocyclone, and underflow of the hydrocyclone is fed into a first-stage distribution chute; second-section rough concentrate and first-section rough concentrate produced by second-section distribution are combined and fed into a high-frequency fine screen, oversize products are fed into a ball mill to be ground again, and undersize products are fed into a first-section high-gradient magnetic separator; feeding the non-magnetic product into a second-stage high-gradient magnetic separator, and reselecting the non-magnetic product generated by the second-stage high-gradient magnetic separator to obtain a tin concentrate product; and the first-section magnetic separation product and the second-section magnetic separation product are combined for reselection to obtain a tantalum-niobium concentrate product. According to the method, tantalum, niobium and tin in the extremely-low-grade tantalum-niobium-tin ore can be efficiently and comprehensively recycled.

This disclosure addresses the problem of preventing sediment laden water (“sediment slurry”) resulting from hydraulic collection of nodules from the seabed from entering the riser and lift system that carries the nodules to the surface as a slurry. An example includes collecting nodules from the seabed by hydraulic suction, separating the nodules utilizing an inverse hydrocyclone.

This invention discloses a mineral processing method that combines flash flotation and spiral sluice to improve copper recovery, comprising the following steps: A. Strong stirring and slurry conditioning; B. Hydrocyclone classification; C. Flotation roughing; D. Flotation scavenging I; E. Flotation scavenging II; F. Flotation scavenging III; G. Flotation column cleaning I; H. Flotation column cleaning II. For copper rough concentrate, this invention employs a "flash flotation-spiral sluice scavenging" process to separate fine copper particles, ensuring the recovery rate of the copper concentrate. Simultaneously, the flotation column cleaning ensures the grade of the copper concentrate, thereby improving the copper recovery rate and solving the problem of inefficient copper recovery in conventional flotation processes. This method combines flash flotation and spiral sluice, achieving efficient copper resource recovery. It is a green, environmentally friendly, and energy-efficient mineral processing method suitable for widespread application.

This application provides a method for finely grinding self-produced coke fines, comprising the following steps: Step S1, coke produced from the coking process is screened at least twice to obtain coke fines; Step S2, the coke fines are finely ground using a ball mill to obtain coke fines slurry; Step S3, the coke fines slurry is fed into a hydrocyclone for classification, and the overflow of the hydrocyclone is a fine-grained slurry; Step S4, the fine-grained slurry is concentrated and filtered to produce fine coke fines. This method can develop a high-quality pulverized coal resource for blast furnace injection systems and can be applied to industrial production, solving the problem of imbalance between the production and consumption of self-produced coke fines in steel companies.

The invention discloses a hydraulic separator and a hydraulic separation system, and relates to the technical field of sewage treatment, the hydraulic separator comprises a shell, the inner wall of the shell is a revolution surface, the shell is provided with a sludge inlet, the sludge inlet is arranged along the tangential direction of the side wall of the shell, the upper end of the shell is provided with an upper discharge port, and the lower end of the shell is provided with a lower discharge port; a plurality of laminates are arranged in the shell, the laminates are located below the sludge inlet and the upper discharge port and are located above the lower discharge port, a gap is formed between every two adjacent laminates, and liquid entering the shell can flow through the gaps from top to bottom. When flowing through the intervals of the laminates, liquid flow is in a stable laminar flow state in the narrow intervals, interference of water flow turbulence on particle sedimentation can be reduced, sedimentation of inorganic matter particles is promoted, and the separation effect is improved.

The invention relates to the technical field of ore extraction, and discloses an intelligent fluorite ore grinding system. Comprising a grinding machine, a feeding pipeline, a cyclone set, a barrel, a transmission unit, a grinding unit and a monitoring unit, the grinding unit drives ore to move to a high position, a stone crushing plate opposite to the ore moving direction is used for impacting the ore, the impact force on the ore is increased, and a grinding plate and a re-grinding plate are used for grinding and refining the ore with the small particle size, so that the ore grinding efficiency is improved. According to the ore grinding device, ore with different particle sizes is subjected to partition treatment, the ore grinding efficiency of the mill is improved, the noise decibel in the barrel is gradually reduced along with gradual refining of the ore, the monitoring unit is used for monitoring and alarming the noise in the barrel, and the refining degree of the ore is conveniently judged.

The utility model relates to a device for granulating sludge after cyclone separation of agglomerated sludge in the refining industry, which mainly comprises a conical cyclone pipe provided with a feed port, an overflow port and an underflow port. A water inlet pipeline at the front end of the feeding hole is connected with a flow meter and a submersible pump; water outlet pipelines of the overflow port and the underflow port are connected with flowmeters; a water outlet pipeline of the underflow port is connected with the sedimentation tank; the sedimentation tank is provided with a medicine adding pipeline; an aerator and a stirrer are arranged in the sedimentation tank; and the sedimentation tank is connected with the biochemical system. Agglomerated sludge is separated out through a conical cyclone pipe and guided into a sedimentation tank, a compacting agent is added to granulate the agglomerated sludge, and granular sludge with good specification is formed and put into a biochemical system again for use.

This invention discloses a high-efficiency separation method for gypsum in calcium-based desulfurization based on slurry density control, relating to the field of industrial flue gas purification. The method includes: S1, real-time monitoring of the density of the gypsum slurry in the calcium-based desulfurization system, which is about to be transported to the first-stage hydrocyclone for solid-liquid separation; S2, obtaining a target addition ratio based on a preset dynamic correlation model between slurry density and defoamer addition ratio, and adding defoamer to the gypsum slurry in real-time according to the target addition ratio; S3, transporting the gypsum slurry with added defoamer to the first-stage hydrocyclone for solid-liquid separation. This method achieves precise foam suppression through dynamic control, creating an excellent separation environment for the hydrocyclone, enabling efficient separation of gypsum crystals. Simultaneously, it achieves on-demand distribution of defoamer, reducing the total amount of reagent consumed while ensuring effectiveness and saving operating costs.

"ENHANCEMENT APPLIED TO THE STATIC MACHINE ELEMENT DISCHARGE CHAMBER INTEGRATED INTO A DEVICE KNOWN AS A HYDROCYCLONE USED IN THE STAGE OF VERIFYING ORE PARTICLE SIZE QUALITY AFTER THE CRUSHING STAGE, AND ITS ASSEMBLY, COUPLING, AND DECOUPLING PROCESSES OF THE HYDROCYCLONE BODY" represented by an evolutionary solution in the industrial and commercial sector of particle classification / separation equipment for ores that have undergone concentration, desliming, solids recovery, and closed grinding circuit procedures, with particular application in equipment known as hydrocyclones (Eq), wherein, in order to solve problems of premature wear and complex maintenance of the static machine element discharge chamber, the invention is embodied in an enhancement to its constructive concept, such that it becomes composed of three components: a lower part (10), a male quick-coupling part (20), and a fixed base (30). A concept of quick engagement / disengagement of the operational lower part (10) is introduced for verification of the integrity of the cut diameter (H), being distinguished by the fact that it is sufficient to perform the quick disengagement / engagement of the assembly comprising the lower part (10) and the male quick-fit coupling part (20)."

The utility model relates to the technical field of hydrocyclones, and discloses a hydrocyclone for coal mine flotation concentrates, which comprises a cylindrical barrel and a conical barrel, the cylindrical barrel is fixedly connected with the conical barrel, one side of the top of the cylindrical barrel is connected with a feeding pipe, an overflow pipe is inserted into the upper end of the cylindrical barrel in a sliding manner, a material gathering barrel is arranged above the cylindrical barrel, and the upper end of the conical barrel is connected with a material outlet of the conical barrel. A conical circular truncated cone is installed on the upper side wall of an inner cavity of the material gathering barrel, a discharging port is connected to one side of the material gathering barrel, a first hydraulic rod is arranged between the cylindrical barrel and the material gathering barrel, a fixing plate is installed on the outer wall of an overflow pipe, and a second hydraulic rod is connected to the fixing plate. A conical circular truncated cone in the material gathering barrel can be driven to be inserted into an upper end opening of the overflow pipe under the extension and retraction of the second hydraulic rod, so that the discharge caliber of a discharge end opening of the overflow pipe is changed, and a first hydraulic rod is connected between the cylindrical barrel and the material gathering barrel; the depth of the overflow pipe inserted into the cylinder can be adjusted by adjusting the length of the first hydraulic rod under the condition that the second hydraulic rod is kept fixed.

The utility model belongs to the technical field of mineral aggregate processing equipment, and discloses an ore washing line which comprises ore washing equipment and mineral processing equipment. The ore washing equipment comprises a feeding machine, an ore washing machine and a scrubbing machine which are sequentially connected in the gravity direction, the arrangement height of the feeding machine, the arrangement height of the ore washing machine and the arrangement height of the scrubbing machine are gradually reduced, and the feeding machine, the ore washing machine and the scrubbing machine sequentially act to separate gravels and ore pulp. The ore dressing equipment comprises a swirler, a shaking table and a magnetic separator which are sequentially connected in the gravity direction, the arrangement height of the swirler, the shaking table and the magnetic separator is gradually reduced, a slurry outlet of the scrubbing machine is connected with the swirler, ore pulp can flow to the swirler from the scrubbing machine, and the swirler, the shaking table and the magnetic separator sequentially act to re-concentrate ore. According to the ore washing line, flowing of ore pulp can be achieved during ore washing without additionally arranging a power source for conveying the ore pulp, energy consumption of ore pulp driving is reduced, and then the ore dressing operation cost is reduced.

The application provides a washing and screening system cyclone wet barrel, which comprises a wet barrel body, the bottom of the wet barrel body is provided with a feeding port and a connecting channel, and the connecting channel is provided with a wear-resistant lining plate at the connecting position of the connecting channel and the feeding port. The connecting position of the wear-resistant lining plate and the connecting channel is provided with a first preset distance from the end of the connecting channel close to the feeding port, so that at least part of the connecting channel extends into the cavity surrounded by the wear-resistant lining plate, and a filling cavity for placing buffer filling is formed between at least part of the connecting channel and the wear-resistant lining plate. In this way, when the material passes through the feeding port into the washing and screening system after the original barrel wall is worn out, the material is accumulated around the feeding port, and the coal flow impacts the accumulated coal at the feeding port. This method can reduce the impact force of coal on the barrel wall, change the hard impact into flexible impact, thereby relieving the impact of coal on the barrel wall and prolonging the service life of the barrel wall of the washing and screening system.

The utility model discloses a system for preventing a pipeline from being blocked in an ammonium sulfate crystallization process, and belongs to the technical field of ammonium sulfate devices. According to the technical scheme, the device comprises a crystallizer, a cyclone hydraulic separator, a centrifugal machine and a controller; a discharging port of the crystallizer is connected with a discharging pump through a discharging pump liquid inlet pipeline, an outlet of the discharging pump is connected with a discharging pump liquid outlet pipeline, the other end of the discharging pump liquid outlet pipeline is connected with a cyclone hydraulic separator, and a discharging port of the cyclone hydraulic separator is connected with a centrifugal machine through a pipeline. The discharging pump liquid inlet pipeline and the discharging pump liquid outlet pipeline are each provided with a flushing water branch, each flushing water branch is provided with a control valve, and the control valves are electrically connected with the controller. The crystallizer comprises a crystallizer tank body, a vapor phase outlet is formed in the top of the crystallizer tank body, a washing water inlet and an ammonium sulfate light mother liquor outlet are formed in the side wall of the crystallizer tank body, and a discharging opening is formed in the side face of the bottom of the crystallizer tank body. The cleaning cycle is prolonged, sewage discharge is reduced, and long-period stable operation is achieved.

The invention belongs to the technical field of mineral processing, and particularly relates to a method for improving the grade of sulfur concentrate by utilizing a centrifugal cyclone separation principle. The method for improving the grade of the sulfur concentrate by utilizing the centrifugal cyclone separation principle comprises the following steps: crushing, screening, grinding and grading the iron-copper-sulfur polymetallic ore, then carrying out bulk flotation, and finally obtaining copper concentrate and sulfur tailings through separation flotation. Sulfur tailings are conveyed to an ore feeding pool, water is added for size mixing, then the sulfur tailings are conveyed into a cyclone for centrifugal rotational flow, sand is discharged from a bottom flowing opening to form settled sand, filtering and dewatering are conducted, and sulfur concentrate is obtained. According to the method for improving the grade of the sulfur concentrate by using the centrifugal cyclone separation principle, the sulfur grade can be improved without introducing redundant chemicals by using the centrifugal cyclone separation principle and adopting a desliming, product extraction and concentration integrated treatment method, the process is simple, and the influence of the chemicals and the like on the environment is reduced.

The application discloses a method for removing heavy impurities in PET plastic, and relates to the technical field of plastic recycling. The method comprises the following steps: removing large impurities and ferromagnetic metal through pretreatment; centrifugally separating large specific gravity metal through a hydrocyclone; adjusting the density of a suspension to 1.4-1.6 g / cm 3 3 by using a heavy medium fluidized bed; separating medium specific gravity impurities such as glass and ceramic; recycling magnetite powder through a magnetic separator; removing fine and micro fine heavy impurities through a wave plate and a wet shaking table in series connection; and realizing stable operation through a fully-closed circulating water system and PLC automatic control. The application realizes high-purity recycling of PET regenerated material and can meet the requirements of high-end applications such as fiber grade, food contact grade and the like.

The utility model relates to the technical field of river dike sludge treatment, and discloses a river dike sludge treatment mobile ship which comprises a bearing ship body, an efficient sludge water removal mechanism is arranged above the bearing ship body and comprises a support, and the inner wall of the support and the inner wall of the bearing ship body are jointly in threaded connection with four fastening bolts. The upper surface of the support is fixedly connected with a dredging pump machine and a wireless controller, the inner wall of the support is fixedly connected with a hydrocyclone, and the input end of the dredging pump machine fixedly communicates with a sewage inlet pipe. According to the mobile ship for river dam sludge treatment, through the bearing ship body, the support, the fastening bolts, the dredging pump machine, the hydrocyclone, the sewage inlet pipe, the connecting pipe, the sewage suction extension pipe, the drainage hose and the wireless controller, sludge which is dug by an external sludge digging mechanism and mixed with a large amount of water can be temporarily loaded in the bearing ship body; the support can be fixed to the upper portion of a bearing ship body through the fastening bolts, and the wireless controller can be controlled by external remote control in a wireless mode.

This invention relates to the field of metal flotation, and particularly to a flotation method for metal sulfide ores. It includes the following steps: S1: The raw ore is subjected to a first-stage grinding process and then fed into a hydrocyclone for a first-stage classification overflow. The pH of the grinding slurry is adjusted to 9.5–10.8; the first-stage grinding crushes the raw ore to a diameter of less than 10 mm; S2: The product obtained from the first-stage classification overflow is passed through a vibrating screen to obtain slurry and underfill. The underfill continues to undergo a first-stage grinding process. The slurry enters a slurry tank and is then pumped by a slurry pump to a second-stage hydrocyclone for classification, ensuring that the particle size of the classification overflow is controlled to be less than 200 mesh, accounting for 90%; S3: Prioritizing the flotation of the first metal: A frother and a high-efficiency metal collector are added to the product from the classification overflow for slurry preparation. This method improves the problem of over-grinding of the target mineral and flotation efficiency. By reducing the loss of valuable elements in the tailings and reducing the sales loss caused by the non-valuation of one valuable element in the concentrate of another valuable element, the overall recovery rate of valuable elements in the ore is improved.