CN111570096A - Rotary atomization device and flotation complete equipment - Google Patents

Rotary atomization device and flotation complete equipment Download PDF

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Publication number
CN111570096A
CN111570096A CN202010408182.1A CN202010408182A CN111570096A CN 111570096 A CN111570096 A CN 111570096A CN 202010408182 A CN202010408182 A CN 202010408182A CN 111570096 A CN111570096 A CN 111570096A
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China
Prior art keywords
atomizing
flotation
speed
conical
disc
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CN202010408182.1A
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Chinese (zh)
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CN111570096B (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 CN202010408182.1A priority Critical patent/CN111570096B/en
Priority to ZA2020/03229A priority patent/ZA202003229B/en
Publication of CN111570096A publication Critical patent/CN111570096A/en
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Publication of CN111570096B publication Critical patent/CN111570096B/en
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    • 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
    • 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
    • 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
    • B03D1/145—Feed mechanisms for reagents
    • 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
    • B03D1/1468—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
    • 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

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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 rotary atomization device and flotation complete equipment, wherein the rotary atomization device comprises: the device comprises a medicament storage cylinder, a conical air guide sleeve, an atomizing rotary disc, an air guide sleeve base plate and a driving part, wherein the small end of the conical air guide sleeve is fixed with the lower end of the medicament storage cylinder; atomizing carousel, bottom outer fringe department is provided with the export of atomizing, forms the export of atomizing passageway between kuppe chassis and the atomizing carousel, and export of atomizing passageway corresponds its inboard export of atomizing and communicates. The driving part drives the rotating shaft to drive the atomizing turntable to rotate at a high speed, so that the foaming agent in the atomizing turntable is fully atomized under the action of high-speed centrifugation to form a stable micro-bubble system, and the foaming agent can be fully mixed with the floated minerals. And the flotation complete equipment integrates the rotary atomization device, the high-speed shearing emulsification device and the double-wheel jet stirring mechanism, so that the equipment volume and the occupied area are greatly reduced, the energy consumption of ore pulp pumping is reduced, and the mineral separation efficiency is improved.

Description

Rotary atomization device and flotation complete equipment
Technical Field
The invention relates to the technical field of mineral separation equipment, in particular to a rotary atomization device and flotation complete equipment.
Background
In the process of mineral separation, the separation of fine coal is the first choice for flotation, and the current mainstream flotation devices mainly comprise a mechanical stirring type flotation machine, a jet type flotation machine, a flotation column and the like, and an ore pulp pre-processor, a flotation reagent adding device, a reagent emulsifying device and other auxiliary pretreatment devices are usually matched before the separation of flotation feeding materials, and the auxiliary pretreatment devices are important for the efficient flotation of ore pulp.
However, for the current flotation device and auxiliary pretreatment device, separation is usually performed in the practical application process, the occupied area is large, and the transportation of the pulp is usually pumping, so that after pumping of each stage, huge energy loss is accompanied in the flotation device and the auxiliary device, for example, after the pulp is sent into the pretreatment device, the energy carried by the pulp is attenuated to zero, and the like, and the operation of pulp pretreatment equipment, chemical adding equipment and the like and the pumping of materials to the flotation machine consume a large amount of energy, and the equipment occupies a large area of a factory, and the equipment and the infrastructure cost are high.
For improving the flotation efficiency, the adding mode of the reagent greatly influences a bubble mineralization system and further influences the flotation efficiency, the currently commonly used flotation reagents are mainly foaming agents and collecting agents, for the foaming agents, the surface tension of a gas-liquid interface is mainly changed, the existing foaming agents are mainly added in the flotation process of a flotation machine and directly put into ore pulp to be stirred for use, the foaming agents cannot be fully dispersed, the formed micro-bubble system is unstable, the effect cannot be better and more uniformly mixed with the floated minerals, and the flotation effect is poor; for the collecting agent, the hydrophobicity of the surface of the mineral is mainly changed, so that floating mineral particles are effectively adhered to bubbles, the existing collecting agent is usually added directly in the adding process or added after certain emulsification, and compared with the existing collecting agent which is added directly, the effect is obvious in reducing the medicine consumption and improving the flotation efficiency, but the phenomena of complex structure, poor emulsification effect, occupation of factory area and the like still exist.
Meanwhile, in the flotation stage, as a stirring device is not arranged in a common jet flotation machine, when the concentration of ore pulp is higher, 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, the rotating speed is low, and good flow field and air suction quantity cannot be formed.
Therefore, the problem that needs to be solved by those skilled in the art is a urgent need to solve the problem that how to provide a rotary atomizing device and a flotation complete equipment, which can fully atomize a foaming agent, form a stable micro-bubble system, ensure that the foaming agent can be fully mixed with a mineral to be floated, have good atomizing effect, effectively add agents such as a collecting agent and the foaming agent by using good pumping energy, reduce energy consumption and agent loss, reduce the floor area of equipment, and keep the operation of the equipment stable.
Disclosure of Invention
In view of the above, the present invention provides a rotary atomizing device and a flotation complete equipment, which can fully atomize a foaming agent, form a stable micro-bubble system, ensure that the foaming agent can be fully mixed with a mineral to be floated, have a good atomizing effect, effectively add agents such as a collecting agent and the foaming agent by using good pumping energy, reduce energy consumption and agent loss, reduce the floor area of the equipment, and keep the equipment running stable.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotary atomizing device, comprising:
the device comprises a medicament storage barrel, a rotary shaft, a;
the small end of the conical air guide sleeve is fixed with the lower end of the medicament storage cylinder;
the atomizing turntable comprises a discharge barrel, a conical atomizing cover and an atomizing cover chassis, the inner wall of an upper port of the discharge barrel is connected and communicated with the discharge port through a bearing a, the conical atomizing cover is positioned below the conical flow guide cover, a small head end of the conical atomizing cover is fixedly connected with a lower port of the discharge barrel, and a large head end of the conical atomizing cover is fixed with the atomizing cover chassis and forms an atomizing outlet with the atomizing cover chassis;
the air guide sleeve base plate is positioned below the atomizing cover base plate, an atomizing outlet channel is formed between the air guide sleeve base plate and the conical air guide sleeve, and the atomizing outlet channel corresponds to the atomizing outlet on the inner side of the atomizing outlet and is communicated with the atomizing outlet;
the driving part is arranged outside the medicament storage cylinder, the driving end is rotatably connected with and penetrates through the air guide sleeve chassis and the atomization cover chassis in a fixed connection mode through a rotating shaft a, and the rotating shaft a is installed on the air guide sleeve chassis through a bearing b.
According to the technical scheme, compared with the prior art, the foaming agent enters the atomizing turntable through the material inlet and the material outlet, the driving part drives the rotating shaft to drive the atomizing turntable to rotate at a high speed, so that the foaming agent in the atomizing turntable is fully atomized under the high-speed centrifugal action to form a stable micro-bubble system, the foaming agent is guaranteed to be fully mixed with the floated minerals, and the flotation is facilitated.
Furthermore, a plurality of shunting shearing flow channels a are arranged on the inner side wall of the conical atomizing cover from the small end to the large end, and the outlets of the shunting shearing flow channels a correspond to the atomizing outlets.
The foaming agent is distributed into the plurality of shunting shearing flow channels a at a high speed under the action of high-speed rotation centrifugation, and high-speed shearing atomization is carried out along the shunting shearing flow channels a, so that the atomization effect of the foaming agent is improved again.
Further, the other end of the atomization outlet channel is connected with a secondary atomization shearing mechanism, and the secondary atomization shearing mechanism comprises a shunting shearing flow channel b and a horn disc; 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 cover chassis is arranged below the conical air guide cover and forms the atomizing outlet channel with the conical air guide cover, the outer side end of the air guide cover chassis extends upwards in an inclined mode and forms a channel with the upper horn disc, and the shunting shearing flow channel b is arranged in the channel; the lower horn plate and the extending end of the outer side of the bottom plate of the flow guide cover are integrally connected, and a sudden-expansion atomization cavity is formed between the lower horn plate and the upper horn plate.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, the foaming agent through atomizing export spun is sheared the cutting once more through reposition of redundant personnel shearing flow channel b, then makes great granule recrushment through suddenly expanding atomizing chamber negative pressure for atomization effect is showing and is promoting.
Furthermore, the air suction pipe is further included, a through hole is formed in the conical air guide sleeve, and the through hole is communicated with the air suction pipe.
The beneficial effect who adopts above-mentioned technical scheme to produce is, highly atomizing foaming agent produces the negative pressure in the atomizing export outside, draws the air in the air aspiration pipe of penetrating, and make air and atomizing foaming agent carry out intensive mixing, then the mist is sheared once more through reposition of redundant personnel shearing runner b and is mixed the cutting, forms miniature bubble, then mist makes great granularity bubble breakage through suddenly expanding atomizing chamber negative pressure once more, finally under the abundant contact effect of foaming agent and air, forms even stable microbubble crowd, does benefit to the flotation.
The invention also provides a flotation complete set of equipment, which comprises the rotary atomization device, the double-wheel jet stirring mechanism and the high-speed shearing emulsification device,
the bottom of the high-speed shearing emulsifying device is provided with an emulsifier outlet;
the upper part of the double-wheel spraying and stirring mechanism is provided with an ore pulp circulating feeding port, an emulsifier inlet and an atomization inlet, the lower end of the double-wheel spraying and stirring mechanism is provided with an ore pulp circulating discharging port, and the atomization inlet is communicated with the atomization outlet through an atomized medicament adding pipe; the emulsifier inlet is communicated with the emulsifier discharge port through a collector adding pipe; the ore pulp circulation feed inlet is communicated with the ore pulp circulation discharge outlet through the circulation pump through the ore pulp circulation feed pipe.
The beneficial effect that adopts above-mentioned technical scheme to produce is that, high-speed shearing emulsification device can make the collector emulsification to react in advance with the ore pulp in the ore pulp circulation pan feeding pipe, change mineral surface hydrophobicity, for carrying out high-efficient mineralize mineralization with the bubble and provide good absorption interface, set up the double round simultaneously and jetted stirring mechanism, carry out intensive mixing and flotation with the atomizing foaming agent after will modifying ore pulp. The equipment integrates the rotary atomization device, the double-wheel jet stirring mechanism and the high-speed shearing emulsification device, reduces the volume and the occupied area of the equipment, and improves the flotation efficiency.
Further, the double-wheel jet stirring mechanism comprises: the device comprises a flotation tank, a support frame, a pretreatment bin, a rotary connecting rod, a driving impeller, a stirring impeller, a guide cylinder and the 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, the upper end of the rotary connecting rod is the driving part and is fixedly connected with the rotary shaft a, and the lower end of the rotary connecting rod penetrates through the discharge port and extends to the position below 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, and the bottom of the flotation tank is provided with the ore pulp circulating discharge hole;
the annular space jet nozzle includes outer nozzle and the interior nozzle of nestification in outer nozzle, ore pulp circulation pan feeding mouth and emulsifier entry with interior nozzle intercommunication, the atomizing entry with outer nozzle intercommunication.
The beneficial effect who adopts above-mentioned technical scheme to produce is, in the ore pulp circulated pipe was carried to the ore pulp through the circulating pump, draw simultaneously and draw and inhale the emulsified collector in the collector addition pipe, make ore pulp and collector fully mix earlier and act on, change mineral surface hydrophobicity, later through interior nozzle blowout, then under the effect of drawing, inhale the intraductal atomizing foaming agent of atomizing medicament addition, and fully mix in outer nozzle, and jet out annular space jet nozzle at a high speed, impact drive impeller is rotatory, drive rotatory connecting rod and rotate, thereby realize that impeller carries out the intensive mixing to the ore pulp in the draft tube. The invention utilizes the energy of the annular jet nozzle to drive the impeller to rotate, thereby avoiding the energy waste caused by the submerged jet of the jet flotation machine and effectively utilizing the energy.
Further, the double-wheel jet stirring mechanism further comprises:
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 sealing cover is in a horn shape, and the small end of the sealing cover is fixed at the lower end of the guide cylinder; the stirring impeller is positioned in the closed cover;
the flow guide partition plate comprises a vertical plate and an arc-shaped plate, the vertical plate is arranged between the closed cover and the wall of the flotation tank, and a concentrate enrichment area is formed between the vertical plate and the 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 wall of the flotation tank is provided with an ore pulp inlet and an ore pulp outlet; and
the artificial bottom is fixed at the bottom of the flotation tank through the support column, and the outer side end of the artificial bottom extends to a position close to the inner side of the vertical plate.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, the ore pulp that is thrown away by the drive impeller is carried out the size mixing once more under the rotatory stirring mixing action of centrifugal agitator sieve, makes the intensive mixing dispersion of gas-liquid-solid three-phase to see through centrifugal agitator sieve and enter into the guide cylinder through the bin outlet, and under the effect of closing the cover, dispersed and carried out the intensive mixing on the agitator impeller, later the flotation mineralized mineralization foam is thrown away from the agitator impeller edge after, upwards floats to the upper surface of flotation cell under the guide effect of water conservancy diversion baffle and carries out the flotation.
Further, double-wheel spraying and stirring mechanism still includes 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 output fixed connection of the driving motor of scraper blade pivot one end and outside setting, scraper blade pivot equipartition fixed mounting has a plurality ofly the scraper blade.
The flotation mineralized foam is thrown out from the edge of the stirring impeller, then floats upwards to the upper surface of the flotation tank and is fully accumulated above the flow guide partition plate, at the moment, the driving motor drives the scraper blade rotating shaft to rotate, and the scraper blade on the scraper blade scrapes the flotation mineralized foam out of the flotation tank, so that the flotation of ore pulp is realized.
The speed compensation mechanism comprises a motor, a permanent magnet eddy current flexible transmission speed regulating device, a belt pulley, a belt and a speed feedback regulator, wherein the motor is arranged on the bracket and is provided with an upper driving end and a lower driving end, and the lower driving end is connected with a conductor rotor of the permanent magnet eddy current flexible transmission speed regulating device; permanent magnetism vortex flexible drive speed adjusting device's permanent magnetism rotor with pivot on the belt pulley is connected, the belt sleeve in the belt pulley with on the rotatory connecting rod upper end position from the driving wheel, speed feedback adjustment appearance sets up on the support frame, just speed feedback adjustment appearance's speed detection end sets up to two, and one of them is belt pulley speed detection end, just belt pulley speed detection end with belt pulley pivot mutual disposition, another is connecting rod speed detection end, connecting rod speed detection end is located kuppe chassis lower surface, and with the upper end of rotatory connecting rod is relative.
The technical scheme has the advantages that when the rotating speed of the rotating connecting rod is unstable due to unstable feeding, for example, when the rotating speed is reduced due to the fact that bubbles exist in mixed ore pulp and the feeding concentration fluctuates possibly, the output signal of the speed detection end of the connecting rod deviates from a preset speed signal, so that an adjusting signal is output, the distance between a permanent magnet rotor and a conductor rotor of the permanent magnet eddy current flexible transmission speed adjusting device is reduced, a belt pulley obtains the rotating speed, the rotating connecting rod is driven to accelerate through the belt pulley, the preset speed is reached, and speed compensation is realized; when the feeding is recovered to be stable, the rotating speed of the rotating connecting rod can be increased or the speed fluctuation is caused by the torque increase between the belt and the belt pulley, at the moment, the speed of the belt pulley is reduced by increasing the distance between the permanent magnet rotor and the conductor rotor of the permanent magnet eddy current flexible transmission speed regulating device, so that the rotating connecting rod is reduced to the preset speed, the dynamic compensation of the rotating connecting rod is realized, and the stability of the rotating connecting rod during stirring is ensured.
Further, the high-speed shearing emulsifying device comprises:
an emulsifying tank, the bottom of which is provided with the emulsifier outlet;
the reagent sprayer is arranged at the top end of the emulsifying tank, a water flow injection pipe is connected to a sprayer inlet close to the reagent sprayer, and a sprayer outlet of the reagent sprayer is positioned in the emulsifying tank and used for spraying a mixed liquid of a collecting agent and water into the emulsifying tank;
the fixed gear disc is arranged in the emulsifying tank, and the top end of the fixed gear disc is provided with a mixed liquid inlet which is fixed and communicated with the spray head outlet;
rotatory fluted disc, rotatory fluted disc sets up in the emulsion tank, rotatory fluted disc with fixed fluted disc position mutual disposition and with be formed with the intercommunication between the fixed fluted disc the shower nozzle export with emulsion tank and longitudinal section are the shearing runner of zigzag, the last drive end and the transmission pivot of motor are connected, the transmission pivot is installed through bearing c the tank bottom of emulsion tank and with rotatory fluted disc bottom end fixed connection.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, the collecting agent enters into the medicament shower nozzle in by the shower nozzle entry of medicament shower nozzle under the effect of medicament pump, draw the injection effect of high-speed collecting agent liquid and draw water by rivers injection pipe, the mixed liquid of collecting agent and water is spout through the shower nozzle export of medicament shower nozzle to distribute in the shearing runner, the motor drives the rotation of transmission pivot, and then make fixed fluted disc high-speed rotatory, the mixed liquid is sheared at a high speed in the shearing runner of zigzag and is carried out intensive mixing and emulsification, then discharge through the emulsifier discharge port and carry out the intensive reaction with the ore pulp. Meanwhile, the motor can be used as a driving source of the speed compensation mechanism, and can also provide power for the high-speed shearing emulsifying device, so that the power source is reduced, the structure of the flotation complete equipment is simplified, and the production cost is reduced.
Further, the high-speed shearing emulsifying device has the same structure as the rotary atomizing device, and the driving part on the high-speed shearing emulsifying device is the motor.
Adopt the beneficial effect that above-mentioned technical scheme produced to carry out the emulsification of collecting agent through adopting the structure that rotatory atomizing device is the same, its emulsification is effectual.
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 diagram of a flotation plant according to the present invention.
Fig. 2 is an enlarged schematic view of a part a in fig. 1.
Fig. 3 is a schematic structural diagram of a split shearing flow channel a on a conical atomization cover.
Fig. 4 is a schematic sectional top view of the structure of the secondary atomization shearing mechanism.
Fig. 5 is an enlarged schematic view of a part C in fig. 1.
Fig. 6 is an enlarged schematic view of a part B in fig. 1.
FIG. 7 is a schematic structural diagram of another embodiment of a high shear emulsification device.
Wherein: 10-rotary atomizing device, 41-bracket I, 11-medicament storage barrel, 14-storage cavity, 18-rotary cavity, 141-feeding port, 159-discharging port, 19-conical guide cover, 15-atomizing rotary disk, 151-discharging barrel, 152-conical atomizing cover, 158-atomizing cover chassis, 155-bearing a, 154-atomizing outlet, 160-second atomizing outlet, 164-guide cover chassis, 171-atomizing outlet channel, 157-rotary shaft a, 156-bearing b, 153-shunting shearing flow channel a, 16-secondary atomizing shearing mechanism, 161-shunting shearing flow channel b, 163-horn disk, 1631-upper horn disk, 1632-lower horn disk, 162-sudden expansion atomizing cavity, 17-air suction pipe, 20-high-speed shearing emulsification device, 22-emulsification tank, 23-medicament spray head, 24-water flow injection pipe, 25-fixed gear disc, 26-rotary gear disc, 262-shearing flow channel, 27-transmission rotating shaft, 28-bearing c, 251-circular shearing tooth A, 261-circular shearing tooth B, 263-impact dispersion boss, 42-bracket II, 50-double-wheel jet stirring mechanism, 519-pulp circulation discharge port, 520-circulating pump, 5315-atomized medicament adding pipe, 5314-collecting agent adding pipe, 5317-pulp circulation feeding pipe, 51-flotation tank, 5311-pretreatment bin, 5342-rotary connecting rod, 5341-driving impeller, 5343-stirring impeller, 532-guide cylinder, 531-pulp pretreatment area, 5312-annular jet flow nozzle, 5312 a-outer nozzle, 5312 b-inner nozzle, 5313-discharge port, 5316-bearing fixing box, 5345-bearing d, 172-gearbox a, 517-rotating shaft, 533-stirring dispersion area, 519-ore pulp circulation discharge port, 5344-centrifugal stirring sieve, 5331-sealing cover, 516-flow guiding clapboard, 511-ore pulp inlet, 512-ore pulp outlet, 518-false bottom, 52-rotating shaft support, 513-scraper, 514-scraper rotating shaft, 515-output end, 30-speed compensation mechanism, 31-motor, 21-speed changer b, 32-permanent magnet eddy current flexible transmission speed regulation device, 33-belt pulley, 34-belt, 35-speed feedback regulator, 351 a-belt pulley speed detection end, 351 b-connecting rod speed detection end, 40-bracket, 36-bracket of second layer, and 37-bracket of third layer.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a rotary atomizing device which is fixed on a first support 41 and comprises:
the medicine storage barrel 11 is internally divided into a storage cavity 14 and a rotary cavity 18 by a transversely arranged annular partition plate up and down, the top end of the storage cavity 14 is provided with a feeding port 141, and the middle part of the annular partition plate is provided with a discharging port 159;
the small end of the conical air guide sleeve 19 is fixed with the lower end of the medicament storage barrel 11;
the atomizing rotary disc 15, the atomizing rotary disc 15 includes discharging tube 151, conical atomization hood 152 and atomization hood chassis 158, the inner wall of upper port of discharging tube 151 connects and communicates with discharge port 159 through bearing a155, the conical atomization hood 152 locates below the conical air guide sleeve 19 and its tip end fixedly connects with lower port of discharging tube 151, its tip end and atomization hood chassis 158 are fixed and form the atomization outlet 154 with atomization hood chassis 158;
the air guide sleeve base plate 164, the air guide sleeve base plate 164 is located below the atomizing cover base plate 158, an atomizing outlet channel 171 is formed between the air guide sleeve base plate 164 and the conical air guide sleeve 19, and the atomizing outlet channel 171 corresponds to and is communicated with the atomizing outlet 154 on the inner side of the atomizing outlet channel;
and the driving part is arranged outside the medicament storage cylinder 11, is rotatably connected with the driving end through a rotating shaft a157, penetrates through the air guide cover chassis 164 and is fixedly connected with the atomizing cover chassis 158, and the rotating shaft a157 is arranged on the air guide cover chassis 164 through a bearing b 156.
A plurality of shunting shearing flow passages a153 are arranged on the inner side wall of the conical atomizing cover 152 from the small head end to the large head end, and the outlets of the shunting shearing flow passages a153 correspond to the atomizing outlets 154.
The other end of the atomization outlet channel 171 is connected with a secondary atomization shearing mechanism 16, and the secondary atomization shearing mechanism 16 comprises a shunting shearing flow channel b161 and a horn disc 163; the horn disc 163 comprises an upper horn disc 1631 and a lower horn disc 1632, the upper horn disc 1631 is connected with the outer side end of the conical air guide sleeve 19; the air guide sleeve base plate 164 is arranged below the conical air guide sleeve 19 and forms an atomizing outlet channel with the conical air guide sleeve 19, the outer side end of the air guide sleeve base plate 164 extends upwards in an inclined mode and forms a channel with the upper horn disc 1631, and the diversion shearing flow channel b161 is arranged in the channel; the lower horn disc 1632 is integrally connected with the outer side extending end of the air guide sleeve chassis 164 and forms a sudden expansion atomizing cavity 162 with the upper horn disc 1631, the inlet end of the sudden expansion atomizing cavity 162 is communicated with the outlet end of the shunting shearing flow channel b161, and the expansion end of the sudden expansion atomizing cavity 162 is connected and communicated with the upper end of the atomized medicament adding pipe 5315.
The rotary atomization device also comprises an air suction pipe 17, a conical air guide sleeve 19 is provided with a through hole, the through hole is communicated with the air suction pipe 17, and the air suction pipe 17 is communicated with the atmosphere.
The flotation complete equipment comprises the rotary atomizing device 10, the double-wheel jet stirring mechanism 50 and the high-speed shearing emulsifying device 20,
the high-speed shearing emulsifying device 20 is arranged on the second bracket 42, and the bottom of the high-speed shearing emulsifying device is provided with an emulsifying agent outlet;
the upper part of the double-wheel jet stirring mechanism 50 is provided with an ore pulp circulating feeding port, an emulsifier inlet and an atomization inlet, the lower end is provided with an ore pulp circulating discharging port 519, and the atomization inlet is communicated with the atomization outlet 154 through an atomized medicament adding pipe 5315; the emulsifier inlet is communicated with the emulsifier outlet through a collector adding pipe 5314; the ore pulp circulating feed inlet is communicated with the ore pulp circulating discharge outlet 519 through a circulating pump 520 through an ore pulp circulating feed pipe 5317.
The double-wheel jet stirring mechanism 50 includes: the device 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 and a circulating pump 520; the supporting frame is arranged at an opening at the upper end of the flotation tank 51; the pretreatment bin 5311 is positioned in the ore pulp pretreatment area 531, the lower end of the pretreatment bin is fixed with the support frame, the side wall of the pretreatment bin 5311 is connected with an annular jet nozzle 5312, the lower end of the pretreatment bin 5311 is provided with a discharge port 5313, and the discharge port 5313 is fixed with the upper end of the guide cylinder 532; the upper end of the rotary connecting rod 5342 passes through the inner rings of two bearings d5345 in the bearing fixing box 5316 fixed on the top end of the pretreatment bin 5311, then is screwed by nuts and is suspended below the bearing fixing box 5316, the end is a driving part and is connected with the rotating shaft a157 through a gearbox a172, and the lower end of the rotary connecting rod passes through the discharge port 5313 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 rotating connecting rod 5342 and is positioned in the stirring dispersion area 533, and the bottom of the flotation tank 51 is provided with a slurry circulating discharge port 519;
the annular jet nozzle 5312 comprises an outer nozzle 5312a and an inner nozzle 5312b nested in the outer nozzle 5312a, the pulp circulation feeding port and the emulsifier inlet are communicated with the inner nozzle 5312b, and the atomization inlet is communicated with the outer nozzle 5312 a.
The double-wheel injection stirring mechanism 50 further includes:
the centrifugal stirring screen 5344 is positioned in the pretreatment bin 5311, the middle part of the centrifugal stirring screen 5344 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;
the sealing cover 5331 is in a horn shape, and the small end of the sealing cover 5331 is fixed at the lower end of the guide cylinder 532; the stirring impeller 5343 is positioned in the closed hood 5331;
the flow guide partition plates 516 and the flow guide partition plates 516 respectively comprise vertical plates and arc-shaped plates, the vertical plates are arranged between the closed cover 5331 and the wall of the flotation tank 51, two sides of each vertical plate are correspondingly and fixedly connected with the wall of the flotation tank, and a concentrate enrichment area 517 is formed between each 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 pulp inlet 511 and a pulp outlet 512; the diversion partition plates 516 can be arranged in a plurality of numbers, and in order to enable the ore pulp to smoothly enter and exit from the ore pulp inlet and the ore pulp outlet, the diversion partition plates 515 and the diversion partition plates 516 cannot be arranged at the positions of the ore pulp inlet 511 and the ore pulp outlet 512, so that the diversion partition plates are prevented from blocking the entrance and exit of the ore pulp; and
a false bottom 518 and a pillar, the false bottom 518 being fixed to the bottom of the flotation tank 51 by the pillar and the outer end extending to a position close to the inside of the vertical plate.
The double-wheel spraying and stirring mechanism 50 further comprises a rotating shaft support 52, a scraper rotating shaft 514 and scrapers 513, wherein 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 output end 515 of a driving motor arranged outside, and a plurality of scrapers 513 are uniformly and fixedly arranged on the scraper rotating shaft 514.
The flotation complete equipment also comprises a speed compensation mechanism 30, wherein the speed compensation mechanism 30 comprises a motor 31, a permanent magnet eddy current flexible transmission speed regulating device 32, a belt pulley 33, a belt 34 and a speed feedback regulator 35, the motor 31 is arranged on a second layer of support 36 on a support 40, the motor 31 is provided with an upper driving end and a lower driving end, and the lower driving end is connected with a conductor rotor of the permanent magnet eddy current flexible transmission speed regulating device 32 on a third layer of support 37 fixed on the support 40; the permanent magnet rotor of the permanent magnet eddy current flexible transmission speed regulation device 32 is connected with a rotating shaft on the belt pulley 33, the belt 34 is sleeved on the driven wheel at the upper end positions of the belt pulley 33 and the rotating connecting rod 5342, the speed feedback regulator 35 is arranged on the second bracket 42 below the support 40, the two speed detection ends of the speed feedback regulator 35 are arranged, one of the two speed detection ends is a belt pulley speed detection end 351a, the belt pulley speed detection end 351a is opposite to the rotating shaft of the belt pulley 33, the other speed detection end is a connecting rod speed detection end 351b, the connecting rod speed detection end 351b is positioned on the lower surface of the air guide sleeve chassis 164 and is opposite to the upper end of the rotating connecting rod 5342, wherein the belt pulley speed detection end 351a and the connecting rod speed detection end.
An embodiment of the high shear emulsifying device 20 of the present invention specifically comprises:
the bottom of the emulsifying tank 22 is provided with an emulsifier outlet, and the bottom plate of the emulsifying tank is set to be high in the middle and low in the periphery, so that emulsion can be conveniently discharged through the emulsifier outlet;
the reagent sprayer 23 is installed at the top end of the emulsifying tank 22, a water flow injection pipe 24 is connected to a sprayer inlet close to the reagent sprayer 23, and a sprayer outlet of the reagent sprayer 23 is located in the emulsifying tank 22 and used for injecting a mixed liquid of a collecting agent and water into the emulsifying tank 22;
the fixed gear disc 25 is arranged in the emulsifying tank 22, and the top end of the fixed gear disc 25 is provided with a mixed liquid inlet which is fixed and communicated with the spray head outlet;
the rotating fluted disc 26 is arranged in the emulsifying tank 22, the rotating fluted disc 26 and the fixed fluted disc 25 are oppositely arranged, and a shearing flow channel 262 which is communicated with the nozzle outlet and the emulsifying tank 22 and has a sawtooth-shaped longitudinal section is formed between the rotating fluted disc 26 and the fixed fluted disc 25; the upper driving end of the motor 31 is connected with the transmission rotating shaft 27 through a transmission b21 arranged on the bracket 40, and the transmission rotating shaft 27 is installed at the bottom of the emulsifying tank 22 through a bearing c28 and is fixedly connected with the bottom end of the rotating fluted disc 26.
Wherein, the fixed gear disk 25 is a conical disk, the mixed liquid inlet is arranged at the center of the conical disk, and the lower surface of the conical disk is provided with a circular shearing tooth A251; the upper surface of the rotary fluted disc 26 is a conical surface, the conical surface is provided with a circular cutting tooth B261, and the center of the conical surface is provided with an impact dispersing boss 263 protruding outwards.
Another embodiment of the high-speed shearing emulsifying device 20 of the present invention can adopt a structure (see fig. 7) substantially the same as that of the rotary atomizing device 10, wherein the difference is that the driving part of the high-speed shearing emulsifying device 20 is a motor 31, the air suction pipe 17 is a clear water adding pipe, and the emulsification between the medicament and the water is realized by adjusting the rotation speed.
The working process of the present invention is further explained below with reference to fig. 1-6:
the ore pulp enters the flotation tank 51 through the ore pulp inlet 511 by the pump body and is discharged through the ore pulp outlet 512, the ore pulp pumped by the ore pulp circulation discharge port 519 is pumped into the ore pulp circulation feeding pipe 5317 by the circulating pump, the emulsified collector in the collector adding pipe 5314 is injected at the same time, so that the ore pulp and the collector 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, the atomized foaming agent in the atomized medicament adding pipe 5315 is sucked in under the injection action, the atomized foaming agent is fully mixed in the outer nozzle 5312a, the mineral 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 is regulated again under the rotating stirring action of the centrifugal stirring sieve 5344, so that the gas phase, the liquid phase and the solid phase are fully mixed and dispersed, the gas phase and the solid phase are discharged into the guide cylinder 532 through the centrifugal stirring sieve 5344 by, then the mixture is stirred by a stirring impeller 5343, finally the stirred flotation mineralization foam is thrown out from the edge of the stirring impeller 5343 and then floats upwards to the liquid level above the flotation zone, the flotation foam is fully accumulated at the upper end of a diversion clapboard 516, the concentrate foam after secondary enrichment is scraped out of the flotation tank 51 by a scraping plate 513, the enriched residual high-ash fine mud and the concentrate which is not scraped out and desorbed from the bubbles are deposited downwards to a concentrate enrichment zone 517 and sink to the lower part of the diversion clapboard 516, and the concentrate passes through the diversion clapboard 516 and returns to the mineralization zone again to participate in flotation again; and the circulating ore pulp is pumped into the ore pulp circulating feeding pipe 5317 again by the circulating pump 520 through the ore pulp circulating discharging hole 519 to realize circulating flotation.
The flotation complete equipment has the beneficial effects that:
1. the flotation complete equipment integrates the rotary atomization device, the high-speed shearing emulsification device and the double-wheel jet stirring mechanism, so that the equipment volume and the floor area are greatly reduced, the energy consumption of ore pulp pumping is reduced, and meanwhile, the equipment has the functions of foaming agent atomization, collecting agent emulsification, jet suction driving stirring flotation, and the mineral separation efficiency is improved;
2. according to the invention, by fully considering the action mode of the atomized foaming agent on the generation of bubbles, the rotary atomization device is designed to enable the foaming agent to be atomized in advance and then to be contacted with air, so that the broken bubbles can be in the inhibiting and merging atmosphere, the stability of a micro-bubble system is kept, meanwhile, the secondary atomization shearing mechanism is arranged, and the multistage shearing and turbulent mixing of the medicament are realized by utilizing the shearing force and the negative pressure vortex action, so that the micro-bubble system is more balanced, sufficient contact opportunities are provided for the efficient mineralization of the bubbles, the mineralization efficiency is greatly improved, and the flotation effect is further improved;
3. according to the invention, the action mode of the collecting agent and the ore pulp is fully considered, and the high-speed shearing emulsifying device is designed to emulsify the collecting agent, namely the high-speed shearing emulsifying device is a shearing flow channel consisting of circular shearing teeth, and is provided with a rotary fluted disc capable of rotating at a high speed, so that the efficient emulsification of the medicament and water is realized in the circumferential direction, and meanwhile, the mineral surface hydrophobicity is changed through the pre-reaction with the ore pulp through the injection action, so that a good adsorption interface is improved for the efficient mineralization with bubbles; the bottom plate of the emulsifying tank is of a structure with a high middle part and a low periphery, so that the emulsion is easy to discharge smoothly;
4. according to the invention, the double-wheel-connected jet stirring mechanism is arranged, the annular jet nozzle on the double-wheel-connected jet stirring mechanism has a multi-stage injection effect, namely, the injection effect of the inner nozzle realizes the pre-action of the emulsifier and the ore pulp, the hydrophobicity of the surface of the ore pulp is changed, a good adsorption interface is improved, then, the micro bubble group and the modified ore pulp are uniformly mixed through the injection effect of the outer nozzle, the efficient 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, the energy waste caused by submerged injection of the jet flotation machine is avoided, the energy is further effectively utilized, and the rotary connecting rod can also be used as a power source of the rotary atomization device, so that the energy is fully utilized, the energy; meanwhile, the centrifugal stirring sieve is arranged, and the moderated ore pulp thrown out from the driving impeller plays a role again under the rotating cutting effect of the centrifugal stirring sieve, so that the mixing and adjusting effect and the stirring efficiency are improved.
5. The invention is provided with the speed compensation mechanism, when the rotating speed of the rotating connecting rod is unstable due to unstable feeding, the permanent magnet eddy current flexible transmission speed regulating device is matched with a speed regulating signal of the speed feedback regulator to realize the dynamic compensation of the rotating connecting rod speed and ensure the stable rotating speed, and the motor can simultaneously provide power for the high-speed shearing emulsification device through the gearbox b, thereby realizing the high-rotating-speed low-torque rotation and improving the emulsification efficiency.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 rotary atomizing device, comprising:
the device comprises a medicament storage barrel (11), wherein the inside of the medicament storage barrel (11) is divided into a storage cavity (14) and a rotating cavity (18) by a transversely arranged annular partition plate up and down, the top end of the storage cavity (14) is provided with a feeding port (141), and the middle part of the annular partition plate is provided with a discharging port (159);
the small end of the conical air guide sleeve (19) is fixed with the lower end of the medicament storage barrel (11);
the atomizing rotary disc (15), the atomizing rotary disc (15) includes a material discharge barrel (151), a conical atomizing cover (152) and an atomizing cover chassis (158), the inner wall of the upper end opening of the material discharge barrel (151) is connected and communicated with the material discharge opening (159) through a bearing a (155), the conical atomizing cover (152) is positioned below the conical air guide cover (19), the small head end of the conical atomizing cover is fixedly connected with the lower end opening of the material discharge barrel (151), the large head end of the conical atomizing cover is fixed with the atomizing cover chassis (158), and an atomizing outlet (154) is formed between the large head end of the conical atomizing cover and the atomizing cover chassis (158);
a dome base plate (164), wherein the dome base plate (164) is located below the atomizing dome base plate (158), an atomizing outlet channel (171) is formed between the dome base plate (164) and the conical dome (19), and the atomizing outlet channel (171) corresponds to and is communicated with the atomizing outlet (154) on the inner side of the atomizing outlet channel;
the driving part is arranged outside the medicament storage cylinder (11), the driving end is connected in a rotating mode through a rotating shaft a (157) and penetrates through the air guide cover chassis (164) to be fixedly connected with the atomization cover chassis (158), and the rotating shaft a (157) is installed on the air guide cover chassis (164) through a bearing b (156).
2. A rotary atomizing device in accordance with claim 1, characterized in that a plurality of divided shearing flow paths a (153) are arranged in the inner side wall of said conical atomizing cover (152) from the small end to the large end, and the outlets of said divided shearing flow paths a (153) correspond to said atomizing outlets (154);
the other end of the atomization outlet channel (171) is connected with a secondary atomization shearing mechanism (16), and the secondary atomization shearing mechanism (16) comprises a shunting shearing flow channel b (161) and a horn disc (163); the horn disc (163) comprises an upper horn disc (1631) and a lower horn disc (1632), and the upper horn disc (1631) is connected to the outer side end of the conical air guide sleeve (19); the air guide sleeve base plate (164) is arranged below the conical air guide sleeve (19) and forms the atomizing outlet channel (171) with the conical air guide sleeve (19), the outer side end of the air guide sleeve base plate (164) extends upwards in an inclined mode and forms a channel with the upper horn disc (1631), and the flow dividing shearing flow channel b (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 a sudden expansion atomizing cavity (162) is formed between the lower horn disc and the upper horn disc (1631).
3. A rotary atomizing device in accordance with claim 1, further comprising an air suction pipe (17), said conical guide housing (19) having a through hole therein, said through hole communicating with said air suction pipe (17).
4. A flotation plant, characterized in that it comprises a rotary atomizing device (10) according to any one of claims 1 to 3, a double-wheel jet stirring mechanism (50) and a high-speed shear emulsifying device (20),
the bottom of the high-speed shearing emulsifying device (20) is provided with an emulsifier outlet;
the upper part of the double-wheel spraying and stirring mechanism (50) is provided with a pulp circulating feeding port, an emulsifier inlet and an atomization inlet, the lower end of the double-wheel spraying and stirring mechanism is provided with a pulp circulating discharging port (519), and the atomization inlet is communicated with the atomization outlet (154) through an atomized medicament adding pipe (5315); the emulsifier inlet is communicated with the emulsifier discharge port through a collector addition pipe (5314); the ore pulp circulating feed inlet is communicated with the ore pulp circulating discharge outlet (519) through a circulating pump (520) through an ore pulp circulating feed pipe (5317).
5. A flotation plant according to claim 4, characterized in that the twin-wheel jet agitator mechanism (50) comprises: the device 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) 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 port (5313) is formed in the lower end of the pretreatment bin (5311), and the discharge port (5313) 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, the upper end is the driving part and is fixedly connected with the rotating shaft a (157), and the lower end of the rotary connecting rod passes through the discharge port (5313) 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), and the bottom of the flotation tank (51) is provided with the slurry circulating discharge hole (519);
the annular jet nozzle (5312) comprises an outer nozzle (5312a) and an inner nozzle (5312b) nested in the outer nozzle (5312a), the pulp circulation feeding port and the emulsifier inlet are communicated with the inner nozzle (5312b), and the atomization inlet is communicated with the outer nozzle (5312 a).
6. A flotation plant according to claim 5, characterized in that the twin-wheel jet agitator mechanism (50) further comprises:
the centrifugal stirring screen (5344) is positioned in the pretreatment bin (5311), the middle part of the centrifugal stirring screen (5344) 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);
the sealing cover (5331), the said sealing cover (5331) is trumpet-shaped, its small end is fixed in the lower end of the said draft tube (532); the stirring impeller (5343) is positioned in the closed hood (5331);
a flow directing baffle (516), the flow directing baffle (516) comprising a vertical plate and an arcuate plate, the vertical plate disposed between the enclosure (5331) and a cell wall of the flotation cell (51), and the vertical plate and the cell wall of the flotation cell (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) which are opposite to each other; and
a false bottom (518) and a strut, wherein the false bottom (518) is fixed on the bottom of the flotation tank (51) through the strut, and the outer end of the false bottom extends to a position close to the inner side of the vertical plate.
7. The flotation plant according to claim 6, wherein the double-wheel jet stirring mechanism (50) further comprises a rotating shaft support (52), a scraper rotating shaft (514) and scrapers (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 the output end (515) of an externally arranged driving motor, and a plurality of scrapers (513) are uniformly and fixedly arranged on the scraper rotating shaft (514).
8. A flotation plant according to any one of claims 5 to 7, characterized by further comprising a speed compensation mechanism (30), wherein the speed compensation mechanism (30) comprises a motor (31), a permanent magnet eddy current flexible transmission speed regulating device (32), a belt pulley (33), a belt (34) and a speed feedback regulator (35), the motor (31) is arranged on a support (40), the motor (31) is provided with an upper driving end and a lower driving end, and the lower driving end is connected with a conductor rotor of the permanent magnet eddy current flexible transmission speed regulating device (32); the permanent magnet rotor of the flexible transmission speed regulation device of permanent magnetism vortex (32) with pivot on the belt pulley (33) is connected, belt (34) overlap in belt pulley (33) with on the follow driving wheel of rotatory connecting rod (5342) upper end position, speed feedback adjustment appearance (35) set up on the support frame, just the speed detection end of speed feedback adjustment appearance (35) sets up to two, and one of them is belt pulley speed detection end (351a), just belt pulley speed detection end (351a) with belt pulley (33) pivot relative arrangement, another is connecting rod speed detection end (351b), connecting rod speed detection end (351b) are located kuppe chassis (164) lower surface, and with the upper end of rotatory connecting rod (5432) is relative.
9. A flotation plant according to claim 8, characterized in that the high shear emulsification device (20) comprises:
an emulsifying tank (22), wherein the bottom of the emulsifying tank (22) is provided with the emulsifier outlet;
the chemical sprayer (23) is installed at the top end of the emulsifying tank (22), a water flow injection pipe (24) is connected to a sprayer inlet close to the chemical sprayer (23), and a sprayer outlet of the chemical sprayer (23) is located in the emulsifying tank (22) and used for spraying a mixed liquid of a collecting agent and water into the emulsifying tank (22);
the fixed gear disc (25) is arranged in the emulsifying tank (22), and the top end of the fixed gear disc (25) is provided with a mixed liquid inlet and is fixed and communicated with the spray head outlet;
rotatory fluted disc (26), rotatory fluted disc (26) sets up in emulsion groove (22), rotatory fluted disc (26) with fixed fluted disc (25) position mutual disposition and with be formed with the intercommunication between fixed fluted disc (25) the shower nozzle export with emulsion groove (22) and longitudinal section are shearing runner (262) of zigzag, the last drive end and the transmission pivot (27) of motor (31) are connected, install transmission pivot (27) through bearing c (28) the tank bottom of emulsion groove (22) and with rotatory fluted disc (26) bottom fixed connection.
10. A flotation plant according to claim 8, characterized in that the high shear emulsification device (20) is identical in construction to the rotary atomization device (10), wherein the drive on the high shear emulsification device (20) is the motor (31).
CN202010408182.1A 2020-05-14 2020-05-14 Rotary atomization device and flotation complete equipment Active CN111570096B (en)

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ZA2020/03229A ZA202003229B (en) 2020-05-14 2020-05-27 Rotary atomization device and flotation complete equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN114534618A (en) * 2022-04-25 2022-05-27 东营华亚国联航空燃料有限公司 Improve online filling device of antistatic agent accurate volume

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Publication number Priority date Publication date Assignee Title
CN112691793A (en) * 2021-01-25 2021-04-23 江苏恒旺数字科技有限责任公司 Intelligent flotation machine and use method
CN114534618A (en) * 2022-04-25 2022-05-27 东营华亚国联航空燃料有限公司 Improve online filling device of antistatic agent accurate volume

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