CN111570100A - Double-wheel-connected jet stirring mechanism and jet atomization flotation equipment with same - Google Patents

Double-wheel-connected jet stirring mechanism and jet atomization flotation equipment with same Download PDF

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Publication number
CN111570100A
CN111570100A CN202010409300.0A CN202010409300A CN111570100A CN 111570100 A CN111570100 A CN 111570100A CN 202010409300 A CN202010409300 A CN 202010409300A CN 111570100 A CN111570100 A CN 111570100A
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China
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atomizing
atomization
pipe
communicated
conical
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CN202010409300.0A
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CN111570100B (en
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王超
朱金波
周伟
朱宏政
董岩昊
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to NL2025799A priority patent/NL2025799B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/08—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements
    • B05B3/082—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements the spraying being effected by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
    • B01F29/86—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1418—Flotation machines using centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1468—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1035—Driving means; Parts thereof, e.g. turbine, shaft, bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/145—Feed mechanisms for reagents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2486—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device with means for supplying liquid or other fluent material to several discharge devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention discloses a double-wheel spraying and stirring mechanism and a spraying and atomizing flotation device with the same, wherein the double-wheel spraying and stirring mechanism comprises a flotation tank, a support frame, a pretreatment bin, a rotating connecting rod, a driving impeller, a stirring impeller, a guide cylinder and a circulating pump; the jet atomization device comprises an atomization cylinder, a rotating shaft, a laminar flow diversion disc, a conical diversion cover, an atomization rotary disc and a secondary atomization shearing mechanism or a pressurizing mixing conveying mechanism; according to the invention, the jet energy of the circularly pumped ore pulp for jetting by the annular jet nozzle is fully utilized, so that the effective utilization of energy is realized, the energy consumption is reduced, the collecting agent and the ore pulp are pre-reacted, the hydrophobicity of the surface of the mineral is changed, and a good adsorption interface is provided for efficient mineralization with bubbles; meanwhile, the foaming agent is atomized in advance and then contacts with air, so that the broken bubbles can be in a restraining and merging atmosphere, the stability of a micro-bubble system is maintained, and the flotation effect is improved.

Description

Double-wheel-connected jet stirring mechanism and jet atomization flotation equipment with same
Technical Field
The invention relates to the technical field of mining machinery manufacturing, in particular to flotation equipment for separating ore particles, and more particularly relates to a double-wheel jet stirring mechanism and jet atomization flotation equipment with the same.
Background
Flotation, namely froth flotation, is a process of separating minerals from ore pulp by means of buoyancy of air bubbles according to the difference of surface properties of various minerals; the flotation machine is mainly used for the technical field of flotation of complex and difficult-to-separate minerals, and the application fields mainly comprise coal slime, quartz minerals and the like. At present, most flotation machines applied in mineral dressing plants and coal dressing plants in China are jet flotation machines and mechanical stirring flotation machines, particularly in the flotation of fine-grained coal, for a common jet flotation machine, a stirring device is not arranged in the flotation stage, and when the concentration of ore pulp is high, enough power cannot be provided to realize the sufficient mixing and dispersion of the ore pulp, bubbles and flotation reagents; the high rotating speed of the stirring device of the mechanical stirring type flotation machine requires higher energy consumption, and the rotating speed is low, so that a good flow field and air suction quantity cannot be formed; in the prior art, the surfactant-foaming agent is basically directly added into ore pulp for stirring, the surfactant-foaming agent cannot be fully dispersed and is formed into a micro-bubble system, so that the micro-bubble system is unstable, the micro-bubble system cannot be mixed with the minerals to be floated better and uniformly, and the flotation effect is poor.
Therefore, how to provide a simple structure, power effect is good, and stirring effect is good, and the energy consumption is low, and the effectual double round of flotation sprays rabbling mechanism and have its spraying atomization plant is the problem that the skilled person in the art needs to solve urgently.
Disclosure of Invention
In view of the above, the invention provides a double-wheel jet stirring mechanism with simple structure, good power effect, good stirring effect, low energy consumption and good flotation effect and a jet atomization flotation device with the same.
In order to achieve the purpose, the invention adopts the following technical scheme: a double-wheel jet stirring mechanism comprises a flotation tank, a supporting frame, a pretreatment bin, a rotary connecting rod, a driving impeller, a stirring impeller, a guide cylinder, a centrifugal stirring sieve and a circulating pump,
the support frame is arranged at an opening at the upper end of the flotation tank; the lower end of the pretreatment bin is fixed with the support frame, an annular jet nozzle is connected to the side wall of the pretreatment bin, a discharge hole is formed in the lower end of the pretreatment bin, and the discharge hole is fixed with the upper end of the guide cylinder; the upper end of the rotary connecting rod is rotatably connected with the top end of the pretreatment bin through a bearing, and the lower end of the rotary connecting rod penetrates through the discharge port and extends to the lower part of the guide cylinder; the driving impeller is fixed on the rotating connecting rod in the pretreatment bin and corresponds to the annular jet nozzle in position; the stirring impeller is fixed at the lower end of the rotating connecting rod, the bottom of the flotation tank is communicated with the circulating pump, and the outlet end of the circulating pump is connected and communicated with the inlet end of the annular jet flow nozzle; the centrifugal stirring screen is arranged in the pretreatment bin, the middle part of the centrifugal stirring screen is fixedly sleeved on the rotating connecting rod, and the outer side end of the centrifugal stirring screen is correspondingly positioned below the annular jet nozzle.
The invention adopts a double-impeller stirring mode, the circulating pump circulates ore pulp through the pump, the circulating ore pulp is sprayed out from the annular jet nozzle to provide a power source for the driving impeller, the driving impeller is used as a stirring mechanism for primary mixing and stirring in the pretreatment bin, and liquid sprayed out from the annular jet nozzle can be used for driving the rotating connecting rod and the stirring impeller to rotate; stirring impeller can form the secondary and stir the mixture, the power of the circulating pump that has utilized that can be abundant, the energy waste that the flooding of having avoided injection formula flotation machine sprayed and lead to, further effectively utilize the energy and adopt the bilobed wheel design stirring more even, and centrifugal stirring sieve can be dispersed again under the effect of centrifugal force to the ore pulp of the primary mix of primary mix, form a large amount of bubbles, make collecting agent and foaming agent can be more to the flotation of ore pulp, the flotation effect is better.
The annular jet nozzle comprises an outer nozzle a and an inner nozzle b nested in the outer nozzle a, and the inner nozzle b is communicated with the ore pulp circulating feeding pipe; the atomized medicament adding pipe is communicated with the outer nozzle a; the collecting agent adding pipe is used as an injected pipe and is communicated with the ore pulp circulating feeding pipe, and the outlet end of the circulating pump is connected and communicated with the ore pulp circulating feeding pipe.
By adopting the technical scheme, the annular jet flow nozzle performs multi-stage injection; the emulsification collecting agent and the ore pulp are firstly acted through the injection action of the inner nozzle b, the hydrophobicity is changed, a good adsorption interface is provided, and then the surfactant-foaming agent which is atomized and foamed is uniformly mixed with the modified ore pulp through the injection action of the outer nozzle a, so that efficient pre-pulp mixing of bubbles and the ore pulp is realized. Meanwhile, the energy of the annular jet nozzle is used for driving the impeller to rotate, so that energy waste caused by submerged injection of the jet flotation machine is avoided, and the energy is further effectively utilized.
Further, the pretreatment bin comprises a cylindrical section and an inverted conical section, and the discharge port is arranged at the lower end of the inverted conical section and is fixed at the mounting hole; the centrifugal stirring sieve is in an inverted cone shape, and the taper of the centrifugal stirring sieve is the same as that of the conical section of the pretreatment bin.
By adopting the technical scheme, the centrifugal stirring screen is in an inverted cone shape, namely a stirring space is formed in the pretreatment bin, the emulsified collecting agent and the atomized and foamed surfactant-foaming agent can be fully mixed with the ore pulp discharged from the circulating pump preliminarily and better, and the preliminarily mixed ore pulp can be dispersed again through the centrifugal stirring screen under the action of centrifugal force by stirring of the driving impeller to form a large amount of bubbles, so that the collecting agent and the foaming agent can perform flotation on the ore pulp more.
The device further comprises a sealing cover, wherein the sealing cover is in a horn shape, and the lower head end of the sealing cover is fixed at the lower end of the guide shell; the stirring impeller is positioned in the closed cover.
The flotation tank is characterized by further comprising a flow guide clapboard, wherein the flow guide clapboard comprises a vertical plate and an arc-shaped plate, the vertical plate is arranged between the closed cover and the tank wall of the flotation tank, and a concentrate enrichment area is formed between the vertical plate and the tank wall of the flotation tank; one end of the arc-shaped plate is connected to the upper end of the vertical plate, and the other end of the arc-shaped plate inclines downwards; the cell wall of the flotation cell is provided with an ore pulp inlet and an ore pulp outlet, and the lower end of the arc-shaped plate corresponds to the positions of the ore pulp inlet and the ore pulp outlet.
By adopting the technical scheme, the invention can ensure that the stirring impeller fully mixes the ore pulp mixed with the collecting agent and the foaming agent with the ore pulp in the flotation tank again through the closed cover, and the bubbles are efficiently mineralized under the action of the collecting agent and the foaming agent to provide good adsorption mixing effect.
Further, the floating device also comprises a false bottom and a support column, wherein the false bottom is fixed at the bottom of the flotation tank through the support column, and the outer end of the false bottom extends to a position close to the inner side of the vertical plate.
Further, scraper blade mechanism pivot support, scraper blade pivot and scraper blade, the pivot support sets up flotation cell upper end, the scraper blade pivot sets up on the pivot support, just the driving motor output fixed connection of scraper blade pivot one end and outside setting, equipartition fixed mounting is a plurality of in the scraper blade pivot the scraper blade, the scraper blade is located the top in concentrate enrichment district.
By adopting the technical scheme, the flotation mineralized foam is thrown out from the outer edge of the blade of the stirring impeller, then floats upwards to the liquid level above the flotation zone, is fully accumulated at the upper end of the diversion baffle plate and is scraped out of the flotation tank by the scraper plate, the mineralized foam which is not scraped is downwards deposited to the concentrate enrichment zone, the mineralized foam which sinks in the concentrate enrichment zones at the two sides sinks to the lower end of the diversion baffle plate and respectively crosses the diversion baffle plate to the flotation zone, so that the secondary flotation is realized; the ore pulp settled to the bottom of the flotation tank enters the next flotation tank through the ore pulp inlet for secondary flotation.
The utility model provides a jet atomization flotation equipment, includes foretell double round spraying rabbling mechanism and jet atomization device, jet atomization device includes: comprises an atomizing cylinder, a rotating shaft, a laminar flow diversion disc and an atomizing rotary disc; the upper end of the atomizing cylinder is provided with a sealing cover; the rotating shaft is arranged in the atomizing cylinder along the axial direction of the atomizing cylinder, and the upper end of the rotating shaft is rotationally connected with the sealing cover through a bearing;
the laminar flow guide discs are in multiple layers, mounting holes are formed in the middle of the laminar flow guide discs, the laminar flow guide discs are fixedly sleeved on the rotating shaft at intervals, a discharge hole is formed in a region close to the rotating shaft, and a shearing driving layer is formed between every two adjacent laminar flow guide discs;
a spraying flow dividing pipe is arranged on the side wall of the atomizing barrel corresponding to the position of the shearing driving layer, and liquid sprayed by the spraying flow dividing pipe drives the laminar flow diversion disc to rotate; the atomizing rotary disc is provided with a discharge inlet and an atomizing outlet, the feed inlet is fixed at the lower end of the laminar flow diversion disc at the lowest end in the atomizing cylinder, and the side wall of the discharge inlet is correspondingly positioned at the position of the outer side wall of the discharge hole;
the atomization rotating disc comprises a discharge tube, a conical atomization cover and an atomization cover chassis, and the discharge tube is fixed at the lower end of the laminar flow diversion disc at the lowest end in the atomization tube and is correspondingly positioned at the outer side of the discharge hole; the outer side end of the atomizing cover base plate corresponds to the outer side end of the conical atomizing cover, and the atomizing outlet is formed between the outer side end of the atomizing cover base plate and the outer side end of the conical atomizing cover;
the atomization outlet is connected and communicated with the atomized medicament adding pipe or the collecting agent adding pipe.
Further, the device also comprises a secondary atomization shearing mechanism;
the secondary atomization shearing mechanism comprises a flow dividing shearing flow channel, a horn disc, a conical flow guide cover and a flow guide cover chassis; the small head end of the conical air guide sleeve is connected to the lower end of the atomizing cylinder; the conical atomization cover is positioned below the conical flow guide cover;
an airflow passage hole is reserved between the outer side end of the conical atomization cover and the position, close to the end, of the conical air guide cover, an air hole is formed in the conical air guide cover, and the air hole is connected and communicated with a driving air pipe;
the horn disc comprises an upper horn disc and a lower horn disc, and the upper horn disc is connected to the outer side end of the conical air guide sleeve; the air guide sleeve base plate is positioned below the atomizing cover base plate, an atomizing outlet channel is formed between the outer section of the air guide sleeve base plate and the conical air guide sleeve, and the atomizing outlet is communicated with the airflow channel hole and the atomizing outlet channel;
the outer end of the air guide sleeve chassis extends obliquely upwards to the side, a channel is formed between the outer end of the air guide sleeve chassis and the upper horn disc, and the flow dividing and shearing flow passage is arranged in the channel; the lower horn plate and the extending end outside the bottom plate of the flow guide cover are integrally connected and form a sudden-expansion atomization cavity between the upper horn plates
Further, the jet atomization flotation equipment also comprises a pressurizing mixing conveying mechanism, wherein the pressurizing mixing conveying mechanism comprises a mixing cavity, an axial flow mixing acceleration impeller, a primary air suction pipe, a conveying pipe, a secondary air suction pipe, a sudden expansion mixing cavity, a distribution cavity and a flow dividing outlet; the upper part of the mixing cavity is cylindrical, the lower end of the mixing cavity is conical, the atomization outlet is communicated with the mixing cavity, and the primary air suction pipe is communicated with the upper end of the mixing cavity; the axial-flow mixing and accelerating impeller is composed of axial-flow blades a and a central shaft b, the axial-flow blades a are uniformly welded on the side wall of the central shaft b, the axial-flow mixing and accelerating impeller is welded on the lower surface of the atomizing cover chassis through the central shaft b, an accelerating outlet is formed at the lower end of the mixing cavity, the lower end of the accelerating outlet is communicated with the conveying pipe, the secondary air suction pipes are uniformly distributed on the outer wall of the conveying pipe and communicated with the inner cavity of the conveying pipe, the upper end of the sudden-expansion mixing cavity is communicated with the lower port of the conveying pipe, the sudden-expansion mixing cavity is in a diamond shape, the distribution cavity is arranged at the lower port of the sudden-expansion mixing cavity; the plurality of the shunt outlets are connected and communicated with the atomized medicament adding pipe or the collector adding pipe.
Compared with the prior art that the final energy of the chemical and pulp delivery in the flotation process is completely converted into internal energy to be consumed in size mixing equipment and a flotation tank, the invention fully utilizes the jet energy of the circular pumping pulp for jetting by the annular jet nozzle, drives the jetting and atomizing device to drive the pretreatment stirring mechanism to carry out size mixing pretreatment, realizes the effective utilization of energy, reduces energy consumption, fully considers the pretreatment effect of the collecting agent and the pulp and the effect of the atomizing and foaming agent on bubble generation in the structural design and the working process, leads the collecting agent to react with the pulp in advance, changes the hydrophobicity of the surface of the mineral, and provides a good adsorption interface for efficiently mineralizing with the bubble; meanwhile, the foaming agent is atomized in advance and then contacts with the air, so that the broken bubbles are in the inhibiting and merging atmosphere, the stability of a micro-bubble system is kept, and meanwhile, the micro-bubble system is more balanced through multiple shearing and turbulent mixing, sufficient contact opportunities are provided for efficient mineralization of the bubbles, the mineralization efficiency is greatly improved, and the flotation effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a double-wheel jet stirring mechanism of the present invention;
FIG. 2 is a general schematic view of a double-wheel spray stirring mechanism with a spray atomizing medicine adding device according to the present invention;
FIG. 3 is a schematic structural diagram of a secondary atomizing and shearing mechanism of the double-wheel spraying and stirring mechanism with the spraying, atomizing and medicine adding device of the invention;
FIG. 4 is a schematic structural view of a pressurized mixing and conveying mechanism in a double-wheel spraying and stirring mechanism with a spraying and atomizing medicine adding device according to the present invention;
FIG. 5 is a schematic structural view of a scraper mechanism of the double-wheel jet stirring mechanism of the present invention;
in the figure: 51 is a flotation tank, 5311 is a pretreatment bin, 5342 is a rotary connecting rod, 5341 is a driving impeller, 5343 is a stirring impeller, 532 is a guide cylinder, 5317 is a pulp circulating feeding pipe, 5314 is a collecting agent adding pipe, 5315 is an atomized agent adding pipe, 5312 is an annular jet nozzle, 5312a is an outer nozzle, 5312b is an inner nozzle, 5344 is a centrifugal stirring sieve, 5331 is a sealing cover, 516 is a guide partition plate, and 517 is an enriched concentrate area; 511 is a pulp inlet, 512 is a pulp outlet, 513 is a scraper, 514 is a scraper rotating shaft, 515 is a driving motor output end, 518 is a false bottom, 520 is a circulating pump, 52 is a rotating bracket, 13 is an atomizing cylinder, 1 is a sealing cover, 11 is a sealing cover, 12 is a bearing sleeve, 121a is a top ring, 13 is an atomizing cylinder, 131 is a spray shunt pipe, 133 is a conical guide cover, 141 is a rotating shaft, 141a is a convex ring, 142 is a laminar flow guide plate, 144 is a shearing driving layer, 145 is a discharge hole, 15 is an atomizing rotating disc, 151 is a discharge cylinder, 152 is a conical atomizing cover, 153 is a shunt shearing flow channel a, 154 is an atomizing outlet, 155 is a raffinate recycling atomizing channel, 156 is an atomizing cover chassis, 16 is a secondary atomizing shearing mechanism, 161 is a shunt shearing flow channel b, 162 is a convex atomizing cavity, 163 is a horn disk, 1661 is an upper horn disk, 1632 is a lower horn disk, 164 is a guide cover chassis, 17 is a pressurizing mixing and conveying mechanism, 171 is a mixing cavity, 172 is an axial-flow mixing accelerating impeller, 172a is an axial-flow blade, 172b is a central shaft, 173 is a primary air suction pipe, 174 is a delivery pipe, 175 is a secondary air suction pipe, 176 is a sudden-expansion mixing cavity, 177 is a distribution cavity, and 178 is a branch outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present embodiment without any creative efforts belong to the protection scope of the present embodiment.
Referring to fig. 1, a double-wheel jet stirring mechanism comprises a flotation tank 51, a support frame, a pretreatment bin 5311, a rotary connecting rod 5342, a driving impeller 5341, a stirring impeller 5343, a guide cylinder 532, a centrifugal stirring sieve 5344 and a circulating pump 520,
a support frame (not shown in the figure) is arranged at an opening at the upper end of the flotation tank 51, the lower end of the pretreatment bin 5311 is communicated and fixed with the support frame, an annular jet nozzle 5312 is connected to the side wall of the pretreatment bin 5311, a discharge outlet is arranged at the lower end of the pretreatment bin 5311, and the discharge outlet is fixed with the upper end of the guide cylinder 532; the upper end of the rotary connecting rod 5342 is rotatably connected with the top end of the pretreatment bin 5311 through a bearing, and the lower end thereof passes through the discharge port and extends to the lower part of the guide cylinder 532; the driving impeller 5341 is fixed on a rotary connecting rod 5342 in the pretreatment bin 5311 and corresponds to the annular jet nozzle 5312 in position; the stirring impeller 5343 is fixed at the lower end of the rotary connecting rod 5342, the bottom of the flotation tank 51 is communicated with the circulating pump 520, and the outlet end of the circulating pump 520 is connected and communicated with the inlet end of the annular jet nozzle 5312; the centrifugal stirring screen 5344 is arranged in the pretreatment bin 5311, the middle of the centrifugal stirring screen is fixedly sleeved on the rotating connecting rod 5342, and the outer end of the centrifugal stirring screen 5344 is correspondingly positioned below the annular jet nozzle 5312.
In the embodiment, a double-impeller stirring mode is adopted, the circulating pump 520 circulates ore pulp through the pump, the circulating ore pulp is sprayed out from the annular jet nozzle 5312 to provide a power source for driving the impeller 5341, the driving impeller 5341 serves as a stirring mechanism for primary mixing and stirring in the pretreatment bin 5311, and liquid sprayed out from the annular jet nozzle 5312 can be used for driving the rotary connecting rod 5342 and the stirring impeller 5343 to rotate; stirring vane 5343 can form the secondary and stir and mix, can be abundant utilize circulating pump 520's power, the energy waste that the flooding that has avoided injection type flotation device sprays and leads to, further effectively utilize the energy and adopt the bilobed wheel design stirring more even, and centrifugal stirring sieve 5344 can be dispersed again under the effect of centrifugal force to the primary mixed ore pulp of primary mixing, form a large amount of bubbles, make collecting agent and foaming agent can be more to the flotation of ore pulp, the flotation effect is better.
The annular jet nozzle 5312 comprises an outer nozzle 5312a and an inner nozzle 5312b embedded in the outer nozzle 5312a, and the inner nozzle 5312b is communicated with the ore pulp circulating feeding pipe 5317; the atomized medicament adding pipe 5315 is communicated with the outer nozzle 5312 a; the collector adding pipe 5314 serves as an injected pipe and is communicated with the ore pulp circulating feeding pipe 5317, and the outlet end of the circulating pump 520 is connected and communicated with the ore pulp circulating feeding pipe 5317.
In the embodiment, the annular jet spray head 5312 performs multi-stage injection; the emulsification collector and the ore pulp are firstly acted through the injection action of the inner nozzle 5312b, the hydrophobicity is changed, a good adsorption interface is provided, and then the atomized and foamed surfactant-foaming agent and the modified ore pulp are uniformly mixed through the injection action of the outer nozzle 5312a, so that efficient pre-pulp mixing of bubbles and the ore pulp is realized. Meanwhile, the energy of the annular jet nozzle 5312 is used for driving the impeller 5341 to rotate, so that energy waste caused by submerged injection of the jet flotation machine is avoided, and the energy is further effectively utilized.
The pretreatment bin 5311 in the embodiment comprises a cylindrical section and an inverted conical section, wherein the discharge port is arranged at the lower end of the inverted conical section and is fixed at the mounting hole; the centrifugal mixing screen 5344 is in the shape of an inverted cone with the same taper as the conical section of the pretreatment silo 5311.
The centrifugal stirring sieve 5344 is in the shape of an inverted cone, namely, a stirring space is formed in the pretreatment bin 5311, the emulsified collecting agent and the atomized and foamed surfactant-foaming agent can be fully mixed with the ore pulp discharged from the circulating pump 520 preliminarily and better, and the preliminarily mixed ore pulp can be dispersed again through the centrifugal stirring sieve 5344 under the action of centrifugal force by stirring of the driving impeller 5341 to form a large number of bubbles, so that the collecting agent and the foaming agent can perform flotation on the ore pulp more.
In this embodiment, the device further comprises a sealing cover 5331, wherein the sealing cover 5331 is in a horn shape, and the lower end of the sealing cover 5331 is fixed at the lower end of the guide cylinder 532; an agitator impeller 5343 is located within the enclosure 5331.
In this embodiment, the flotation device further comprises a diversion baffle 516, wherein the diversion baffle 516 comprises a vertical plate and an arc-shaped plate, the vertical plate is arranged between the closed hood 5331 and the wall of the flotation tank 51, and a concentrate enrichment area 517 is formed between the vertical plate and the wall of the flotation tank 51; one end of the arc-shaped plate is connected with the upper end of the vertical plate, and the other end of the arc-shaped plate inclines downwards; the wall of the flotation tank 51 is provided with a slurry inlet 511 and a slurry outlet 512, and the lower end of the arc-shaped plate corresponds to the positions of the slurry inlet 511 and the slurry outlet 512.
In the embodiment, the stirring impeller 5343 can sufficiently mix the ore pulp mixed with the collecting agent and the foaming agent with the ore pulp in the flotation tank 51 again through the sealing cover 5331, and the bubbles are efficiently mineralized under the action of the collecting agent and the foaming agent to provide a good adsorption mixing effect.
In this embodiment, the artificial bottom 518 and the pillars are further included, the artificial bottom 518 is fixed on the bottom of the flotation tank 51 by the pillars, and the outer end of the artificial bottom extends to a position close to the inner side of the vertical plate.
In this embodiment, scraper mechanism includes pivot support 52, scraper blade pivot 514 and scraper blade 513, pivot support 52 sets up flotation cell 51 upper end, scraper blade pivot 514 sets up on the pivot support 52, just the driving motor output 515 fixed connection of scraper blade pivot 514 one end and outside setting, equipartition fixed mounting is a plurality of on the scraper blade pivot 514 scraper blade 513, scraper blade 513 is located the top in concentrate enrichment district.
In the embodiment, the flotation mineralized foam is thrown out from the outer edge of the blade of the stirring impeller 5343 and then floats upwards to the liquid level above the flotation zone, is fully accumulated at the upper end of the diversion partition plate 516, the concentrate foam subjected to secondary enrichment is scraped out of the flotation tank 51 by the scraper 513, the enriched residual high-ash fine mud and the concentrate which is not scraped out and desorbed from the bubbles are downwards deposited to the concentrate enrichment zone 517, and the mineralized foam sinking in the concentrate enrichment zones 517 at the two sides sinks to the lower end of the diversion partition plate 516 and respectively crosses the diversion partition plate 516 to the flotation zone so as to realize secondary flotation; the slurry settled to the bottom of the flotation cell 51 is directed to the next cell for re-flotation via slurry inlet 511.
Specifically, the ore pulp enters the flotation tank 51 through the ore pulp inlet 511 through the pump body and is discharged through the ore pulp outlet 512, the ore pulp pumped out from the ore pulp circulation discharge port 519 is pumped into the ore pulp circulation feeding pipe 5317 by the circulation pump 520, the emulsified collecting agent in the collecting agent adding pipe 5314 is injected at the same time, so that the ore pulp and the collecting agent are fully mixed and act firstly, the hydrophobicity of the surface of the mineral is changed, the mineral is sprayed out through the inner nozzle 5312b, then the atomized foaming agent in the atomized foaming agent adding pipe 5315 is sucked in under the injection action, the atomized foaming agent is fully mixed with the modified ore pulp in the outer nozzle 5312a, the modified ore pulp is sprayed out of the annular jet nozzle 5312 at a high speed, the impeller 5314 is driven to rotate by impact, the rotating connecting rod 5342 is driven to rotate, the ore pulp thrown out by the impeller 5314 is driven to perform secondary pulp mixing under the rotating and stirring action of the centrifugal stirring sieve 5344, and the ore pulp is discharged into a guide cylinder 532 through a discharge port 5313 by a centrifugal stirring sieve 5344, then is mixed and stirred by a stirring impeller 5343, finally the stirred flotation mineralized foam is thrown out from the edge of the stirring impeller 5343 and then floats upwards to the liquid level above the flotation zone, is fully accumulated at the upper end of a guide clapboard 516 and is scraped out of the flotation tank 51 by a scraping plate 513, while the unscraped mineralization foam is downwards deposited to a concentrate enrichment zone 517 and sinks below the guide clapboard 516, and then returns to the flotation zone again by passing through the guide clapboard 516 to participate in flotation again, and the circulating ore pulp is pumped into an ore pulp circulating feed pipe 5317 by a circulating pump 520 through an ore pulp circulating discharge port 519 to realize circulating flotation.
As shown in fig. 1, 2, 3 and 5, a spray atomization flotation device includes the above-mentioned double-wheel spray stirring mechanism and a spray atomization apparatus, and the spray atomization apparatus includes: comprises an atomizing cylinder 13, a rotating shaft 141, a laminar flow guide disc 142 and an atomizing rotary disc 15; the upper end of the atomizing cylinder 13 is provided with a sealing cover 1; the rotating shaft 141 is arranged in the atomizing barrel 13 along the axial direction of the atomizing barrel 13, and the upper end of the rotating shaft is rotatably connected with the cover cap 1 through a bearing;
the laminar flow guide discs 142 are in multiple layers, the middle parts of the laminar flow guide discs are provided with mounting holes, a plurality of laminar flow guide discs 142 are fixedly sleeved on the rotating shaft 141 at intervals, the areas close to the rotating shaft 141 are provided with drain holes 145, and a shearing driving layer 144 is formed between two adjacent layers of laminar flow guide discs 142;
the side wall of the atomizing barrel 13 is provided with a spray shunt pipe 131 at a position corresponding to the shear driving layer 144, and the liquid sprayed by the spray shunt pipe 131 drives the laminar flow diversion disc 142 to rotate; the atomizing rotary disc 15 is provided with a discharge inlet and an atomizing outlet, the feed inlet is fixed at the lower end of the laminar flow deflector 142 at the lowest end in the atomizing cylinder 13, and the side wall of the discharge inlet is correspondingly positioned at the outer side wall of the discharge hole 145, the atomizing rotary disc 15 comprises a discharge cylinder 151, a conical atomizing cover 152 and an atomizing cover chassis 156, and the discharge cylinder 151 is fixed at the lower end of the laminar flow deflector 142 at the lowest end in the atomizing cylinder 13 and is correspondingly positioned at the outer side position of the discharge hole 145; the outer end of the atomizing hood base 156 corresponds to the outer end of the conical atomizing hood 152 and an atomizing outlet 154 is formed between the two;
in this embodiment, the atomizing outlet 154 is connected and communicated with the atomized medicament adding pipe 5315 or the collector adding pipe 5314. The jet atomizing apparatus of the present embodiment is used for atomizing bubbles of a surfactant-foaming agent;
in another embodiment, the atomization outlet 154 is connected and communicated with the atomized medicament adding pipe 5315 or the collector adding pipe 5314, and the jet atomization device is used for emulsifying the surface collector;
in another embodiment, there are two spray atomizing devices, wherein the atomizing outlet 154 of one spray atomizing device is connected and communicated with the atomized medicament adding pipe 5315, and the spray atomizing device is used for atomizing bubbles of the surfactant-foaming agent; and the atomization outlet 154 of the other spray atomization device is connected and communicated with a collector adding pipe 5314, and the spray atomization device is used for emulsifying the surface collector.
The device also comprises a secondary atomization shearing mechanism 16; the secondary atomization shearing mechanism 16 is used for enhancing the atomization bubble effect of the surfactant-foaming agent or emulsifying the collecting agent; the secondary atomization shearing mechanism 16 comprises a diversion shearing flow channel 161, a horn disc 163, a conical air guide sleeve 133 and an air guide sleeve chassis 164; the small end of the conical air guide sleeve 133 is connected with the lower end of the atomizing cylinder 13; the conical atomizing shroud 152 is located below the conical spinner;
an air flow passage hole is reserved between the outer end of the conical atomization cover 152 and the position, close to the end, of the conical air guide cover 133, an air hole is formed in the conical air guide cover 133, and the air hole is connected and communicated with the driving air pipe 132;
the horn disc 163 comprises an upper horn disc 1631 and a lower horn disc 1632, and the upper horn disc is connected to the outer side end of the conical air guide sleeve 133; the air guide sleeve base plate 164 is positioned below the atomizing cover base plate 156, an atomizing outlet channel is formed between the outer section of the air guide sleeve base plate and the conical air guide sleeve 133, and the atomizing outlet 154 is communicated with the air flow channel hole and the atomizing outlet channel;
the outer end of the air guide sleeve base plate 164 extends obliquely upwards and forms a channel with the upper horn plate 163, and the diversion shear flow channel 161 is arranged in the channel; the lower horn disc 1632 is integrally connected with the outer extending end of the dome base plate 164 and forms a sudden expansion atomizing cavity 162 with the upper horn disc 1631.
More specifically, in this embodiment, a shear driving layer 144 is formed between the laminar flow guiding disks 142, the jet shunt pipe 131 shunts the jetted liquid, i.e., the surfactant-foaming agent, and then the jetted surfactant-foaming agent drives the laminar flow guiding disks 142 to perform the dispersion atomization again, and the surfactant-foaming agent is atomized in advance and then contacts with the air by using the action of the atomization foaming agent and the bubbles, so that the broken bubbles are in an inhibition and merging atmosphere, the stability of the micro-bubble system is maintained, and meanwhile, the micro-bubble system is more balanced through shearing and turbulent mixing, so that a sufficient contact opportunity is provided for efficient mineralization of the surfactant-foaming agent, the mineralization efficiency is greatly improved, and the flotation effect is improved.
In this embodiment, the sealing cap 1 includes a bearing sleeve 12 and a sealing cap 11, the bearing sleeve 12 is fastened to the upper end of the atomizing cylinder 13 by bolts; the sealing cover 11 is fastened at the upper end of the bearing sleeve 12 through bolts; the outer ring of the bearing is fixed with the inner wall of the bearing sleeve 12; the upper end of the rotating shaft 141 is fixed with the inner ring of the bearing.
In this embodiment, the two bearings are arranged in parallel, the two bearings are positioned at intervals by a convex ring 141a formed by extending the middle part of the inner wall of the bearing sleeve 12 inwards, and the lower ends of the bearings are clamped and positioned by a top ring 121a formed by extending the lower end of the inner wall of the bearing sleeve 12 inwards.
By adopting the above technical scheme, the two bearings are clamped in the bearing sleeve 12, and the convex ring 141a and the top ring 121a can prevent the whole bearing from shifting during rotation, so that the rotation stability of the rotating shaft 141 can be ensured.
In this embodiment, the injection dividing pipes 131 are provided in a plurality of groups, and the longitudinal sections of the plurality of injection dividing pipes 131 in each group are distributed on the wall of the atomizing barrel 13 in a fan shape and gradually increase toward the shear driving layer 144.
In this embodiment, the outer edge of the laminar flow guiding disc 142 is set to be conical, and the injection shunt pipe 131 can more smoothly shunt and absorb the surfactant-foaming agent into the laminar flow guiding disc 142;
more specifically, the laminar flow reversing disc 142 is made of a high-strength alloy steel plate, and the surface roughness RZ is less than or equal to 1.6;
more specifically, H is more than or equal to 1mm and the height of the shearing driving layer 144 is more than or equal to 0.3 mm;
by adopting the technical scheme, the surfactant-foaming agent is conveyed to the shunt nozzle 131 through the agent pump, then is sprayed out through the spray shunt tube 131, and is distributed and sprayed into the shear driving layer along the tangential direction of the laminar flow deflector 142, and the energy carried by the pumped foaming agent is fully utilized to drive the laminar flow deflector 142 to rotate at a high speed by utilizing the boundary layer viscous force effect of the shear driving layer 144; meanwhile, along with the transfer of energy carried by the foaming agent, the jet speed of the foaming agent is gradually reduced, the centrifugal force is reduced, and the foaming agent is converged to the center and is reduced along the radial speed until the foaming agent is converged to the discharge hole 145. The surfactant-foaming agent of this embodiment is sufficiently dispersed by the split of the injection split pipe 131 and the separation of the laminar flow deflector 142 to achieve better performance.
In this embodiment, the atomizing device further includes an atomizing turntable 15, the atomizing turntable 15 includes a discharging tube 151, a conical atomizing cover 152 and an atomizing cover base 156, the discharging tube 151 is fixed at the lower end of the laminar flow guiding disc 142 at the lowest end in the atomizing tube 13 and is correspondingly located at the outer side of the discharging hole 145;
the conical atomization hood 152 is positioned below the conical air guide hood 133, an air flow channel hole is reserved between the outer end of the conical atomization hood 152 and the position, close to the end, of the conical air guide hood 133, the position, corresponding to the conical atomization hood 152, of the conical air guide hood 133, and the air hole is connected and communicated with the driving air pipe 132; the outer end of the atomizing hood base 156 corresponds to the outer end of the conical atomizing hood 152 and forms an atomizing outlet 154 therebetween; the atomizing outlet 154 communicates with the gas flow passage holes and the atomizing outlet passage.
In this embodiment, a plurality of flow dividing and shearing flow channels a153 are disposed on the inner side wall of the conical atomizing cover 152 from the small end to the large end.
More specifically, a residual liquid recovery atomization passage 155 is formed between the outer wall surface of the atomization rotating disk 15 and the inner wall surface of the drum 13, and the closer to the atomization outlet 154, the smaller the distance.
In this embodiment, under the driving of the laminar flow diversion disc 142, the atomizing turntable 15 rotates at a high speed therewith, the surfactant-foaming agent is collected into the conical atomizing cover 152, under the high-speed rotating centrifugal action of the conical atomizing cover 152, the surfactant-foaming agent is distributed into the split shearing flow channel a153 at a high speed, and is subjected to high-speed shearing atomization along the split shearing flow channel a153, and is ejected along the atomizing outlet 154, the high-speed atomizing gas generates a negative pressure zone at the periphery of the atomizing outlet 154, and ejects the air in the driving air pipe 132, and the air and the atomizing foaming agent are intensively mixed, so that the uniform and stable micro-bubble group is more easily formed, and the flotation is facilitated.
More specifically, the secondary atomizing and shearing mechanism 16 is disk-shaped as a whole, the flow dividing and shearing flow passages b161 are circumferentially distributed, and the suddenly expanding atomizing cavity 162 is provided with a plurality of converged atomized chemical adding pipes 5315. The atomized agent adding pipe 5315 is used for adding the atomized and foamed surfactant-foaming agent to the pulp flotation device.
In this embodiment, after the atomizing outlet 154, the air can be sufficiently cut into micro bubbles by shearing, mixing and cutting again through the shunting shearing flow channel b161, and then the air passes through the sudden expansion atomizing cavity 162 to be subjected to negative pressure crushing again on the bubbles with larger particle size, and finally, under the sufficient contact and action of the foaming agent and the air, a uniform and stable micro bubble group is formed, thereby facilitating flotation.
In this embodiment, a shear driving layer 144 is formed between the laminar flow guiding disks 142, the jet shunt pipe 131 shunts the jetted liquid, i.e., the surfactant-foaming agent, and then the jetted surfactant-foaming agent drives the laminar flow guiding disks 142 to perform the dispersion atomization again, and the surfactant-foaming agent is atomized in advance and then contacts with the air by using the action mode of the atomization foaming agent and the bubbles, so that the broken bubbles are in the atmosphere of both inhibition and coalescence, the stability of the micro-bubble system is maintained, and meanwhile, the micro-bubble system is more balanced through shear and turbulent mixing, thereby providing sufficient contact opportunity for efficient mineralization of the surfactant-foaming agent, greatly improving the mineralization efficiency and improving the flotation effect.
As shown in fig. 1 and 4, in another embodiment, a jet atomizing apparatus includes the above-mentioned double-wheel jet stirring mechanism, a jet atomizing device, and a pressurized mixing and conveying mechanism 17; the pressurizing mixing conveying mechanism 17 is used for enhancing the atomizing bubble action of the surfactant-foaming agent or emulsifying the collecting agent;
the pressurizing mixing conveying mechanism 17 comprises a mixing cavity 171, an axial flow mixing accelerating impeller 172, a first-stage air suction pipe 173, a conveying pipe 174, a second-stage air suction pipe 175, a sudden-expansion mixing cavity 176, a distribution cavity 177 and a flow splitting outlet 178; the upper part of the mixing cavity 171 is cylindrical, the lower end is conical, the atomization outlet 154 is communicated with the mixing cavity 171, and the primary air suction pipe 173 is communicated with the upper end of the mixing cavity 171; the axial flow mixing and accelerating impeller 172 consists of axial flow blades 172a and a central shaft 172b, the axial flow blades 172a are uniformly welded on the side wall of the central shaft 172b, the axial flow mixing and accelerating impeller 172 is welded on the lower surface of the atomizing cover chassis 156 through the central shaft 172b, the lower end of the mixing cavity 171 forms an accelerating outlet, the lower end of the accelerating outlet is communicated with the conveying pipe 174, the secondary air suction pipe 175 is uniformly distributed on the outer wall of the conveying pipe 174 and is communicated with the inner cavity of the conveying pipe 174, the upper end of the sudden expansion mixing cavity 176 is communicated with the lower port of the conveying pipe 174, the sudden expansion mixing cavity 176 is diamond-shaped, the distribution cavity 177 is arranged at the lower port of the sudden expansion mixing cavity 176, and; the plurality of branched outlets 178 are connected to and communicate with an atomized medicine addition tube 5315.
This embodiment can also be through atomizing export 154 back, in converging mixing chamber 171 with atomizing gas, the high-speed rotation of atomizing carousel 15 drives axial flow mixing acceleration rate impeller 172 high-speed rotatory simultaneously, and the rotation of axial flow mixing acceleration rate impeller drives atomizing gas and flows out to acceleration rate export along the axial of center pin with higher speed, drives one-level breathing pipe 173 simultaneously and draws the air to flow out to acceleration rate export with atomizing gas phase mixing together. The mixed atomized gas flows into the sudden expansion mixing cavity 176 at a high speed through the delivery pipe 179, drives the secondary air suction pipe 175 to inject the gas, and fully mixes and atomizes the gas again in the sudden expansion mixing cavity 176 to form a uniform and stable micro-bubble group, so as to prevent the atomized gas from being liquefied again. The mixed atomized gas enters the atomized agent adding pipe through the outflow opening 178 at the lower end of the distribution cavity 177 to participate in flotation. In the embodiment, because of the pressurizing mixing and conveying of the axial flow mixing and accelerating impeller 172 and the injection effect of the secondary air suction pipe 175, the atomized gas can be fully mixed, and is mixed with ore pulp at high speed and high efficiency, so that the flotation is facilitated.
Compared with the existing flotation process in which the final energy of the chemical and pulp delivery is completely converted into internal energy to be consumed in size mixing equipment and a flotation tank, the embodiment makes full use of the jet energy of the annular jet nozzle 5312 for delivering the pulp by the circulating pump 520, drives the jet atomization device to drive the pretreatment stirring mechanism to perform size mixing pretreatment, realizes effective utilization of energy, reduces energy consumption, and fully considers the pretreatment effect of the collecting agent and the pulp and the effect of the atomization foaming agent on bubble generation in structural design and working process, so that the collecting agent and the pulp react in advance, the hydrophobicity of the surface of the mineral is changed, and a good adsorption interface is provided for efficient mineralization with the bubble; meanwhile, the foaming agent is atomized in advance and then contacts with the air, so that the broken bubbles are in the inhibiting and merging atmosphere, the stability of a micro-bubble system is kept, and meanwhile, the micro-bubble system is more balanced through multiple shearing and turbulent mixing, sufficient contact opportunities are provided for efficient mineralization of the bubbles, the mineralization efficiency is greatly improved, and the flotation effect is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A double-wheel jet stirring mechanism is characterized by comprising a flotation tank (51), a support frame, a pretreatment bin (5311), a rotating connecting rod (5342), a driving impeller (5341), a stirring impeller (5343), a guide cylinder (532), a centrifugal stirring sieve (5344) and a circulating pump (520);
the support frame is arranged at an opening at the upper end of the flotation tank (51); the lower end of the pretreatment bin (5311) is fixed with the support frame, an annular jet nozzle (5312) is connected to the side wall of the pretreatment bin, a discharge opening is formed in the lower end of the pretreatment bin (5311), and the discharge opening is fixed with the upper end of the guide cylinder (532) positioned in the flotation tank (51); the upper end of the rotary connecting rod (5342) is rotatably connected with the top end of the pretreatment bin (5311) through a bearing, and the lower end of the rotary connecting rod passes through the discharge port and extends to the lower part of the guide cylinder (532); the driving impeller (5341) is fixed on the rotating connecting rod (5342) in the pretreatment bin (5311) and corresponds to the annular jet nozzle (5312) in position; the stirring impeller (5343) is fixed at the lower end of the rotating connecting rod (5342), the bottom of the flotation tank (51) is communicated with the circulating pump (520), and the outlet end of the circulating pump (520) is connected and communicated with the inlet end of the annular jet nozzle (5312); the centrifugal stirring screen (5344) is arranged in the pretreatment bin (5311), the middle of the centrifugal stirring screen is fixedly sleeved on the rotating connecting rod (5342), and the outer end of the centrifugal stirring screen (5344) is correspondingly positioned below the annular jet nozzle (5312).
2. The double-wheel jet stirring mechanism of claim 1, further comprising a pulp circulation feeding pipe (5317), a collector adding pipe (5314) and an atomized agent adding pipe (5315), wherein the annular jet nozzle (5312) comprises an outer nozzle (5312a) and an inner nozzle (5312b) nested inside the outer nozzle, and the inner nozzle (5312b) is communicated with the pulp circulation feeding pipe (5317); the atomized medicament adding pipe (5315) is communicated with the outer nozzle (5312 a); the collector adding pipe (5314) is used as an injected pipe and communicated with the ore pulp circulating feeding pipe (5317), and the outlet end of the circulating pump (520) is connected and communicated with the ore pulp circulating feeding pipe (5317).
3. The twin-wheel jet agitator mechanism as claimed in claim 1, wherein the pretreatment tank (5311) comprises a cylindrical section and an inverted conical section, and the discharge port is provided at the lower end of the inverted conical section and fixed at the mounting hole; the centrifugal stirring sieve (5344) is in an inverted cone shape, and the taper of the centrifugal stirring sieve is the same as that of the conical section of the pretreatment bin (5311).
4. The twin-wheel jet stirring mechanism of claim 2, further comprising a sealing cover (5331), wherein the sealing cover (5331) is flared, and the small end of the sealing cover is fixed at the lower end of the guide cylinder (532); the stirring impeller (5343) is located within the enclosure (5331).
5. The twin wheel jet agitator mechanism of claim 4, further comprising a deflector (516), the deflector (516) comprising a vertical plate and an arcuate plate, the vertical plate being disposed between the enclosure (5331) and the wall of the flotation tank (51) and the vertical plate and the wall of the flotation tank (51) forming a concentrate enrichment zone (517); one end of the arc-shaped plate is connected to the upper end of the vertical plate, and the other end of the arc-shaped plate inclines downwards; the wall of the flotation tank (51) is provided with a pulp inlet (511) and a pulp outlet (512) relatively, and the lower end of the arc-shaped plate corresponds to the positions of the pulp inlet (511) and the pulp outlet (512).
6. A twin wheel jet agitator mechanism as claimed in claim 5, further comprising a false bottom (518) and a strut, the false bottom (518) being secured to the floor of the flotation tank (51) by a strut and the outer end extending to a position adjacent the inside of the vertical plate.
7. The double-wheel spraying stirring mechanism of claim 6, further comprising a scraper mechanism, wherein the scraper mechanism comprises a rotating shaft support (52), a scraper rotating shaft (514) and a scraper (513), the rotating shaft support (52) is arranged at the upper end of the flotation tank (51), the scraper rotating shaft (514) is arranged on the rotating shaft support (52), one end of the scraper rotating shaft (514) is fixedly connected with an externally arranged driving motor output end (515), the scraper rotating shaft (514) is uniformly and fixedly provided with a plurality of scrapers (513), and the scrapers (513) are positioned above the concentrate enrichment area.
8. A jet atomization flotation device is characterized by comprising the double-wheel jet stirring mechanism and the jet atomization device according to any one of claims 2 to 7, wherein the jet atomization device comprises: comprises an atomizing cylinder (13), a rotating shaft (141), a laminar flow guide disc (142) and an atomizing rotary disc (15); the upper end of the atomizing cylinder (13) is provided with a sealing cover (1); the rotating shaft (141) is arranged in the atomizing barrel (13) along the axial direction of the atomizing barrel (13), and the upper end of the rotating shaft is rotationally connected with the sealing cover (1) through a bearing;
the laminar flow guide discs (142) are in multiple layers, a mounting hole is formed in the middle of each laminar flow guide disc, the laminar flow guide discs (142) are fixedly sleeved on the rotating shaft (141) at intervals, a drain hole (145) is formed in a region close to the rotating shaft (141), and a shear driving layer (144) is formed between every two adjacent laminar flow guide discs (142);
a spraying shunt pipe (131) is arranged on the side wall of the atomizing barrel (13) at a position corresponding to the shearing driving layer (144), and liquid sprayed by the spraying shunt pipe (131) drives the laminar flow diversion disc (142) to rotate; the atomization rotating disc (15) is provided with a discharge inlet and an atomization outlet, the discharge inlet is fixed at the lower end of the laminar flow deflector (142) at the lowest end in the atomization cylinder (13), and the side wall of the discharge inlet corresponds to the position of the outer side wall of the discharge hole (145);
the atomizing rotary disc (15) comprises a discharging barrel (151), a conical atomizing cover (152) and an atomizing cover chassis (156), the discharging barrel (151) is fixed at the lower end of the laminar flow diversion disc (142) at the lowest end in the atomizing barrel (13) and is correspondingly positioned at the outer side of the discharging hole (145); the outer side end of the atomizing hood chassis (156) corresponds to the outer side end of the conical atomizing hood (152) and the atomizing outlet (154) is formed between the outer side end and the conical atomizing hood chassis;
the atomization outlet (154) is connected and communicated with the atomized medicament adding pipe (5315) or the collecting agent adding pipe (5314).
9. A jet atomising flotation device according to claim 8, characterised in that it further comprises a secondary atomising shear mechanism (16);
the secondary atomization shearing mechanism (16) comprises a flow dividing shearing flow passage (161), a horn disc (163), a conical air guide sleeve (133) and an air guide sleeve chassis (164); the small end of the conical air guide sleeve (133) is connected to the lower end of the atomizing cylinder (13); the conical atomization cap (152) is positioned below the conical flow guide cap;
an air flow passage hole is reserved between the outer end of the conical atomization cover (152) and the position, close to the end, of the conical air guide cover (133), an air hole is formed in the conical air guide cover (133), and the air hole is connected with and communicated with a driving air pipe (132);
the horn disc (163) comprises an upper horn disc (1631) and a lower horn disc (1632), and the upper horn disc is connected to the outer side end of the conical air guide sleeve (133); the air guide sleeve chassis (164) is positioned below the atomizing cover chassis (156) and an atomizing outlet channel is formed between the outer section of the air guide sleeve chassis and the conical air guide sleeve (133), and the atomizing outlet (154) is communicated with the air flow channel hole and the atomizing outlet channel;
the outer end of the air guide sleeve chassis (164) extends obliquely upwards and forms a channel with the upper horn disc (163), and the flow dividing and shearing flow passage (161) is arranged in the channel; the lower horn disc (1632) is integrally connected with the outer extending end of the air guide sleeve chassis (164) and forms a sudden expansion atomizing cavity (162) with the upper horn disc (1631);
the sudden expansion atomizing cavity (162) is connected and communicated with the atomized medicament adding pipe (5315) or the collecting agent adding pipe (5314).
10. A jet atomising flotation plant according to claim 8, characterised in that it also comprises a pressurised mixing and conveying mechanism (17);
the pressurizing mixing conveying mechanism (17) comprises a mixing cavity (171), an axial flow mixing accelerating impeller (172), a primary air suction pipe (173), a conveying pipe (174), a secondary air suction pipe (175), a sudden expansion mixing cavity (176), a distribution cavity (177) and a split-flow outlet (178); the upper part of the mixing cavity (171) is cylindrical, the lower end of the mixing cavity is conical, the atomization outlet (154) is communicated with the mixing cavity (171), and the primary air suction pipe (173) is communicated with the upper end of the mixing cavity (171); the axial flow mixing speed-increasing impeller (172) consists of axial flow blades (172a) and a central shaft (172b), the axial flow blades (172a) are uniformly welded on the side wall of the central shaft (172b), the axial flow mixing speed-increasing impeller (172) is welded on the lower surface of the atomizing cover chassis (156) through the central shaft (172b), the lower end of the mixing cavity (171) forms a speed-increasing outlet, the lower end of the speed-increasing outlet is communicated with the conveying pipe (174), the two-stage air suction pipes (175) are uniformly distributed on the outer wall of the conveying pipe (174), and is communicated with the inner cavity of the delivery pipe (174), the upper end of the sudden expansion mixing cavity (176) is communicated with the lower port of the delivery pipe (174), the sudden-expansion mixing cavity (176) is in a diamond shape, the distribution cavity (177) is arranged at the lower port of the sudden-expansion mixing cavity (176), the bottom of the distribution cavity (177) is provided with a plurality of branched outlets (178);
the plurality of branched outlets (178) are connected and communicated with the atomized medicament adding pipe (5315) or the collector adding pipe (5314).
CN202010409300.0A 2020-05-14 2020-05-14 Jet atomization flotation equipment Active CN111570100B (en)

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NL2025799A NL2025799B1 (en) 2020-05-14 2020-06-10 Double-linked-wheel spray stirring mechanism and spray atomizing floatation device with same

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CN114904639A (en) * 2022-05-15 2022-08-16 连云港福京石英制品有限公司 Combined quartz sand treatment equipment and method
CN115090431A (en) * 2022-07-06 2022-09-23 中国计量大学 Odor ring emitter with jellyfish-like gas compression power device
CN116173768A (en) * 2023-04-21 2023-05-30 深圳市文浩科技有限公司 Multi-component raw material mixing and stirring device for coating processing
CN116328575A (en) * 2023-05-23 2023-06-27 北京中鑫美达技术服务有限公司 Hyaluronic acid dressing stock solution mixer
CN118635006A (en) * 2024-08-13 2024-09-13 山东盛泰矿业科技有限公司 Ilmenite floatation equipment and process thereof
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CN112280479A (en) * 2020-11-02 2021-01-29 杭小洁 Feeding system for production of environment-friendly water-based paint and production process and formula thereof
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CN116328575A (en) * 2023-05-23 2023-06-27 北京中鑫美达技术服务有限公司 Hyaluronic acid dressing stock solution mixer
CN116328575B (en) * 2023-05-23 2023-08-04 北京中鑫美达技术服务有限公司 Hyaluronic acid dressing stock solution mixer
CN118635006A (en) * 2024-08-13 2024-09-13 山东盛泰矿业科技有限公司 Ilmenite floatation equipment and process thereof
CN118635006B (en) * 2024-08-13 2024-11-08 山东盛泰矿业科技有限公司 Ilmenite floatation equipment and process thereof

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