401 results about "Hydrocyclone" patented technology

The invention discloses a phase splitting device and application thereof in phase splitting treatment of a carbon capture two-phase absorbent. The phase splitting device comprises a shell, an inlet, a lower phase outlet and an upper phase outlet, a pre-split-phase chamber, a split-phase chamber and a separation chamber which are communicated in sequence are arranged in the shell; the pre-phase-splitting chamber comprises a swirler and a rectifying plate; the split-phase chamber comprises a split-phase reinforcing plate and a rotary fixing frame; a hydrophilic material, a hydrophobic material or a combination thereof is arranged on the surface of the split-phase reinforcing plate; and the included angle between the split-phase reinforcing plate and the horizontal plane is 30-75 degrees. By arranging the pre-phase-splitting chamber, the phase-splitting chamber and the separation chamber, a phase-splitting liquid can achieve a good pre-separation effect in the pre-phase-splitting chamber and stably enters the phase-splitting chamber, and then efficient and rapid phase splitting is achieved through treatment of a specific phase-splitting reinforcing plate in the phase-splitting chamber; and the device has the advantages of small volume, compact structure, low investment cost and the like, and particularly has important significance on stable operation of the carbon capture two-phase absorbent.

The invention discloses an intelligent self-adaptive silt filtering system and method for a pumped storage power station, and belongs to the technical field of pumped storage power stations. The system comprises a multi-parameter water quality monitoring module, an intelligent self-adaptive filtering module, a hydraulic cyclone enhanced separation module, a self-cleaning and backwashing module and a central control and data processing module. According to the method, river sediment characteristics are monitored in real time, filtering parameters are dynamically adjusted through an artificial intelligence algorithm, efficient sediment interception is achieved by combining hydraulic cyclone separation and multi-stage filtering, the problem of filtering medium blockage is solved through a self-cleaning mechanism, and meanwhile the self-adaptive learning capacity is achieved so as to optimize system performance. The system can significantly improve the filtering efficiency, reduce energy consumption and operation and maintenance cost, adapt to complex water quality working conditions, and guarantee safe and stable operation of key equipment of the pumped storage power station.

The utility model belongs to the technical field of sewage treatment, and provides a low-solid-content sewage cyclone desanding system which comprises a pressure transmitter arranged on a water inlet pipe; the plurality of hydrocyclones are arranged behind the pressure transmitter in parallel; the plurality of first valves are respectively arranged on inlet pipelines of the hydrocyclones, and each first valve is associated with the pressure transmitter; the plurality of sand collecting chambers are respectively arranged at the first sand discharging openings in the lower parts of the hydrocyclones; the plurality of second valves are respectively arranged on the outlet pipeline of each sand collecting chamber; and the sand-water separator is connected with the outlet end of each second valve. The cyclone desanding system can automatically control the operation according to the water inlet pressure change to realize dynamic balance, is suitable for desanding treatment of sewage with large water inlet amount fluctuation and low solid content, and is efficient and stable in system operation and good in desanding effect.

The invention belongs to the field of flotation tailings, and relates to a flotation tailing resource utilization process which comprises the following steps: collecting tailings; part of tailings enter the hydrocyclone, the hydrocyclone is subjected to pre-classification, and the hydrocyclone outputs settled sand and overflow; the remaining tailings and settled sand output by the hydrocyclone enter a thickener together, and the output of the thickener is underflow and overflow clear water; wherein the overflow output by the hydrocyclone is subjected to concentration and filter pressing to prepare a building material; the underflow output by the thickener is mixed with the cementing material to form slurry with the concentration of 68%, and the slurry is conveyed to a goaf through a pump and a pipeline for filling. Tailing resources are fully utilized, and meanwhile the cementing cost is reduced.

An improved modular hydrocyclone and method of operating for centrifugal cleaning fluid wherein the hydrocyclone has a plurality of inserts each of different sizes and configurations for selectively and interchangeably inserting into the modular body thereby adjusting capacity and cleaning efficiency of the hydrocyclone without changing out the body. One or more embodiments relate to systems and methods for utilizing a hydrocyclone system with interchangeable components.

The utility model discloses a power plant circulating cooling water physicochemical treatment device which comprises a circulating water tank 1, a circulating water pump 2 and a circulating water pump 3, an input port of the cyclone set 4 is connected with the circulating water pool 1 through a pipeline, a circulating water pump 2 is arranged between the circulating water pool 1 and the cyclone set 4, and the circulating water pump 2 is used for pumping circulating cooling water into the cyclone set 4; the hydrodynamic cavitator group 5 is arranged above the hydrocyclone group 4, and an input port of the hydrodynamic cavitator group 5 is connected with an upper output port of the hydrocyclone group 4 through a pipeline; the first filter 6-1 is arranged below the cyclone group 4, an input port of the first filter 6-1 is connected with a lower output port of the cyclone group 4 through a pipeline, and an output port of the first filter 6-1 is connected with the circulating water tank 1 through a pipeline; an input port of the second filter 6-2 is connected with an output port of the hydrodynamic cavitator group 5 through a pipeline; an input port of the ultraviolet lamp tube 8 is connected with an output port of the second filter 6-2 through a pipeline; and the output port of the ultraviolet lamp tube 8 is connected with the circulating water tank 1.

The invention discloses a fine beneficiation method for stage grinding and stage tailing discarding of low-grade chromium ore, which comprises the following steps: first-stage ball-milling grinding, first-stage screening classification, first-stage hydrocyclone classification, second-stage hydrocyclone desliming, spiral chute reselection roughing, spiral chute reselection scavenging and spiral chute reselection concentration. Hydrocyclone security classification, middling concentration, fluidized bed reselection, second-stage pre-screening inspection classification, second-stage ball-milling ore grinding, magnetic separation iron removal, table reselection, spiral chute reselection concentrated concentrate and table reselection concentrate are combined and then fed into a belt filter to be filtered, and the Cr2O3 grade is larger than or equal to 50%, the Cr / Fe ratio is larger than or equal to 2.2, and the moisture lt is obtained; and 12.0% of final qualified chromium concentrate is obtained. According to the method, separation and enrichment of the chromium concentrates with different particle sizes are achieved through step-by-step fine separation of stage grinding, stage tailing discarding and advanced concentrate obtaining, the grade and the recovery rate of the chromium concentrates are remarkably improved, and the method has the advantages of being reliable in technological process, stable in product quality, low in comprehensive energy consumption and the like.

The utility model relates to the technical field of hydrocyclones, and discloses a hydrocyclone desilting nozzle which comprises a desilting nozzle body, a cone is fixedly installed at the top of the desilting nozzle body through a flange, a vortex chamber is fixedly installed at the top of the cone through a flange, and a cleaning mechanism is installed in the cone. The cleaning mechanism comprises a first mounting frame fixedly mounted on the top side in the cone, a guide cylinder fixedly mounted in the middle of the first mounting frame, and bearings fixedly mounted on the two sides of the outer wall of the guide cylinder. When a solution flows in the swirler in a spiral shape, the spiral blade arranged in the cone can rotate along with the flowing of the liquid, so that the rotating drum is driven to rotate, the flowing of the liquid is accelerated, the separation and classification speed of the solution can be accelerated, and the bottom scraping plate can be synchronously driven to rotate; particles attached to the inner wall of the desilting nozzle are cleaned, and the situation that coarse particles block the interior of the desilting nozzle, and the solution separation and classification efficiency is reduced is avoided.

The invention discloses a firework and cracker hazardous waste recovery treatment method and system, and the method comprises the following steps: a wastewater treatment step: the wastewater treatment step comprises a chemical precipitation step, an A2O biochemical treatment step, a Fenton oxidation step and a BAF biological filter step, and perchlorate, COD and heavy metal are removed; the waste residue treatment step comprises a wet grinding step, a high-temperature digestion step, a flotation step, a hydraulic cyclone separation step, a wet leaching step and a fractional precipitation step, and carbon powder, titanium, barium, aluminum and magnesium resources are recycled; according to a synergistic coupling mechanism, bottom slag generated in the wastewater treatment step is conveyed to the waste slag treatment step for treatment, and filtrate generated in the waste slag treatment step is conveyed to the wastewater treatment step for treatment. The method is used for carrying out harmless treatment and resource recycling on the hazardous wastes of the fireworks and crackers.

The utility model relates to a hydrocyclone sand setting nozzle measuring device which comprises a main body shell and a lead screw, the lead screw is transversely and rotatably arranged in the main body shell through rotating shafts at the two ends, the lead screw is connected with a moving plate through a ball nut, and the outer edge of the moving plate is attached to the inner wall of the main body shell. The movable plate is vertically and symmetrically connected with a plurality of guide columns parallel to the lead screw, the other ends of the guide columns slidably penetrate through the main body shell and then are connected to a guide plate, and a first probe is installed on the outer side of the guide plate; a driving device and a dustproof shell are arranged on the end, away from the guide plate, of the body shell, the output end of the driving device is connected to the lead screw, and a second probe is installed on the outer side of the dustproof shell. According to the measuring device, the two probes are attached to the inner wall of the sand setting nozzle to measure the inner diameter of the sand setting nozzle in a high-precision mode, meanwhile, the sliding groove marked with vernier scales and the sliding rod are combined to further verify the measuring results of the two probes, the measuring accuracy is improved, the abrasion condition of the sand setting nozzle can be accurately and effectively evaluated, and guidance is provided for maintenance or replacement of the sand setting nozzle.

The invention discloses a method and a device for synchronously degrading organic pollutants through wastewater rotational flow piezoelectric hydrogen production, which are characterized in that a catalytic system is uniformly distributed in organic wastewater to form a first solid-liquid mixed system, and the first solid-liquid mixed system is introduced into a hydraulic rotational flow reactor along the tangential direction at a high speed to form a second solid-liquid mixed system; a strong three-dimensional rotating flow field is formed in the hydraulic cyclone reactor, and mechanical stress is provided for an advanced oxidation technology coupling piezoelectric catalysis system, so that the piezoelectric effect is continuously excited to generate hydrogen, and meanwhile, the wastewater is deeply treated; experiments prove that the device and the method provided by the invention realize high-efficiency hydrogen production under the conditions of low energy consumption, low cost and simple operation, and synchronously complete high-efficiency degradation of organic pollutants in wastewater.

The invention relates to a mud sediment purification method and device, and belongs to the technical field of mud sediment purification. By adding a gel breaker and combining oxidation / acidolysis and thermochemical treatment, stable structures of colloidal particles are destroyed, wrapped fine particles are released, and a surfactant is further added in a partitioned manner by adopting a spiral path, so that the mud sediment purification effect is improved. And stirring is combined to ensure uniform diffusion of the agent, obviously reduce apparent viscosity of the slurry and improve fluidity. Afterwards, the centrifugal-shear synergistic effect of the high-speed centrifugal machine and the hydrocyclone is used for enhancing the particle separation efficiency, shortening the retention time and inhibiting the laminar flow blockage risk; meanwhile, an electric field is applied to drive charged particles to be enriched towards an electrode area. Finally, the water content of the slurry is greatly reduced through a deep dehydration process assisted by a filter aid, and the integrated process not only reduces the hydrodynamic resistance and treats volume expansion, but also remarkably relieves the problems of laminar flow retardation, abrasion and frequent blockage of pipelines and equipment.

The invention discloses a sefstromite grinding and selecting method which comprises the following steps: performing coarse grinding and selecting on a sefstromite raw material to separate out fine-grained ilmenite and coarse grinding and selecting weak magnetic concentrate; carrying out spiral-flow type grading on the coarse grinding and separation weak magnetic concentrate, carrying out fine grinding on a sand setting product obtained by spiral-flow type grading, and carrying out spiral-flow type grading on an obtained ore discharging product again; an overflow product obtained through spiral-flow type grading is graded through a high-frequency screen, and an oversize product of the high-frequency screen is subjected to superfine grinding; mixing the ore grinding product obtained by superfine grinding with the undersize product of the high-frequency sieve, and performing primary separation to obtain primary separation section weak magnetic concentrate and primary separation section weak magnetic tailings; and elutriating the weak magnetic concentrate in the primary separation section to obtain the vanadium-titanium-iron concentrate. According to the vanadium-titanium-iron ore grinding separation method, the cost of the vanadium-titanium-iron ore concentrate purification process can be reduced, the product quality of the vanadium-titanium-iron ore concentrate is improved, and efficient recovery of the vanadium-titanium-iron ore concentrate is achieved.

The invention relates to the field of ore flotation, and discloses a method for reducing lepidolite flotation froth and improving lepidolite recovery rate, which comprises the following steps: S1, ore grinding and grading: sequentially carrying out coarse crushing, intermediate crushing and fine crushing on spodumene and lepidolite complex disseminated mixed ore raw ore, grinding ore by adopting a ball mill, controlling the ore grinding concentration to be 70-80% and the ore grinding time to be 4-6 minutes, and carrying out ore grinding and grading; the ore grinding classification technology is optimized, the ore grinding classification technology is optimized, the proportion of-0.074 mm fraction in the ore grinding product reaches 65%-75%, the ore grinding product is classified through the hydrocyclone, coarse fraction returns to the ball mill to be ground again, and fine fraction enters the follow-up flotation operation, flotation froth is reduced, and by optimizing the ore grinding classification technology, the influence of fine particles generated by over-grinding on the froth stability is reduced; a special pretreatment regulator is added, so that the flotation activity of gangue minerals is inhibited, and unnecessary foam is reduced; and the formula and dosage of flotation reagents are adjusted, and foam increase caused by excessive reagents is reduced.

The present invention provides a comprehensive utilization process for "tailings-free" gold tailings, which includes the following steps: feeding the gold flotation tailings into a high-efficiency hydrocyclone group for classification, feeding the underflow into a high-frequency linear dewatering screen for classification and dewatering to separate the coarse sand on the screen; the material under the screen and the overflow of the hydrocyclone flow by gravity to the hydrocyclone pump sump and then are pumped into a desliming hydrocyclone group to remove the fine slime, obtaining overflow fine slime and sand deposits; the sand deposits at the underflow of the desliming hydrocyclone group flow by gravity into a three-stage vertical ring high-gradient magnetic separation unit for strong magnetic separation to select magnetic substances and non-magnetic substances; the magnetic substances and the overflow fine slime are proportioned and flow by gravity into the pump sump and then are pumped to the fine tail filling system; the non-magnetic substances flow by gravity into the pump sump and then are pumped to a dehydration integrated machine for dehydration; the overflow water from the sand bin of the filling system flows by gravity back to the process for recycling or enters the production water storage tank, and can also be used for greening in the factory area or road sprinkling, with no wastewater discharged externally.

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 application discloses a production module of a floating production storage and offloading device and belongs to the technical field of FPSO, which comprises a production water treatment module, wherein the production water treatment module comprises a hydrocyclone separator, a compact air floatation unit, a pressure reduction pipeline and a degassing tank; production water in a sewage tank of the FPSO enters the hydrocyclone separator; the hydrocyclone separator is used for separating oil and water by utilizing the density difference between the oil and the water; the production water after the cyclone separation flows into the compact air floatation unit through the pipeline; and the compact air floatation unit is used for rapidly floating oil droplets in the production water by utilizing bubbles. The FPSO production module of the application carries out oil removal treatment on the production water separated in the crude oil treatment process, so that the oil content of the production water is reduced to within 15 ppm, and therefore, in a long-term oil exploitation process, the discharged production water does not cause pollution to seawater. The gas treatment module in the application is additionally provided with a liquid level regulating device, the liquid level in a glycol tower is controlled to ensure that there is always liquid in the glycol tower, and high-pressure gas in the glycol tower is prevented from leaking into a flash regeneration tower, so that the flash regeneration tower is prevented from causing fire and explosion.

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 application discloses a kind of valuable components of waste circuit board pyrolysis product high-efficiency directional separation methods, comprising the following steps: waste circuit board pyrolysis-alkali liquor spray separation oil gas mixture-pyrolysis residue crushing and hydrocyclone classification-pyrolysis residue coarse / fine particle mixture sorting-metal enrichment body fine grinding-sulfuration-flotation.The application plays a promoting role for the high-value recycling of waste circuit board, and is a high recycling rate, small environmental pollution, high-efficiency separation technology, with wide application prospect.

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.

The utility model relates to the technical field of particle separation, in particular to a cyclone fine particle separation device capable of adjusting granularity, which comprises a stirrer and a cyclone, the top of the cyclone is fixedly connected with an end table, the upper end face of the end table is provided with a through groove in a penetrating manner, the inner side of a rotary drum is rotatably connected with an overflow pipe, and the overflow pipe is provided with a through hole. And a spiral groove is formed in the outer wall of the rotary drum in a penetrating manner. When the rotary knob is rotated, the rotary drum is driven to rotate, the rotary drum rotates to drive the spiral groove in the outer wall of the rotary drum to rotate, and the limiting block fixed to the outer wall of the overflow pipe extends into the spiral groove, so that when the spiral groove rotates, the limiting block moves along the track of the spiral groove, the limiting block is limited through the clamping groove, and the limiting block can only move in the vertical direction; therefore, when the rotary drum is rotated, the overflow pipe is driven to move up and down, so that the insertion depth of the overflow pipe can be adjusted according to needs, medium particle size composition changes and the requirements for grading indexes are better met, and the grading particle size is adjusted on line.

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.

A wet flue gas desulfurization gypsum treatment method, comprising: feeding a desulfurization gypsum slurry from a gypsum hydrocyclone through a distributor (200) of a filter (100); the filter (100) operating to move the desulfurization gypsum slurry to a first rinsing component (300); the filter (100) operating to move the desulfurization gypsum slurry to a first filter cake loosening component (400); the filter (100) operatingto move the desulfurization gypsum slurry to a second rinsing component (500); the filter (100) operating to move the desulfurization gypsum slurry to a second filter cake loosening component (600); and the filter (100) operating to move the desulfurization gypsum slurry to a discharge component (700). Thus, the situation that the solid-liquid separation effect is poor due to sealing of oil films is avoided.

The invention relates to the technical field of mud-water separation, in particular to a mud-water separation device which comprises a first cyclone, a first vibrating screen and a first water tank, the first cyclone comprises an underflow opening, and the underflow opening of the first cyclone is connected with the feeding end of the first vibrating screen; a notch of the first water tank is connected with the discharging end of the first vibrating screen in a bearing mode, and a pipeline of the first water tank is connected with the feeding end of the first cyclone. A first vibrating screen is connected below an underflow port of a first cyclone, and underflow slurry discharged from the underflow port of the first cyclone is dehydrated and filtered by the first vibrating screen; the first vibrating screen and the second vibrating screen are arranged, so that coarse-particle mud and sand are obtained on the screen surface of the first vibrating screen, fine-particle mud and sand discharged from the underflow port by mistake enter the first water tank along with water and are mixed with to-be-treated slurry, then the slurry in the first water tank is pumped into the first cyclone by the slurry pump to be screened, and waste of overflow slurry is reduced.

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 relates to the technical field of hydraulic cyclone separation, and discloses a hydraulic cyclone separation device which comprises a cyclone cylinder, a connecting sleeve arranged on the outer side of the cyclone cylinder, a water inlet pipe arranged on the side edge of the cyclone cylinder and a water outlet pipe arranged on the top of the cyclone cylinder, when the deslagging pipe enters the connecting sleeve, the boss at the upper part extrudes the clamping block, and the clamping block drives the moving rod to move outwards in the connecting sleeve, so that the deslagging pipe can smoothly enter the connecting sleeve until the bottom of the boss at the upper part is out of contact with the clamping block, the clamping block loses pressure at the moment, and the spring resets to drive the clamping block to reset; when the slag discharging pipe is detached, the slag discharging pipe is pulled downwards, the clamping block enables the boss on the lower portion to move upwards till the two bosses are combined together, at the moment, along with continuous downward movement of the slag discharging pipe, the clamping block is separated from the connecting position of the two bosses, and therefore the slag discharging pipe is detached from the connecting sleeve.