CN115301414A - Self-cleaning flotation machine vertical shaft - Google Patents

Self-cleaning flotation machine vertical shaft Download PDF

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Publication number
CN115301414A
CN115301414A CN202211017517.2A CN202211017517A CN115301414A CN 115301414 A CN115301414 A CN 115301414A CN 202211017517 A CN202211017517 A CN 202211017517A CN 115301414 A CN115301414 A CN 115301414A
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CN
China
Prior art keywords
shaft body
flotation machine
cleaning
fixedly connected
self
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Pending
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CN202211017517.2A
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Chinese (zh)
Inventor
张驰
庞勃
郭运鑫
王周和
丁鹏
彭时忠
张群英
江宁
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Tongling Nonferrous Metals Group Co Ltd
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Tongling Nonferrous Metals Group Co Ltd
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Application filed by Tongling Nonferrous Metals Group Co Ltd filed Critical Tongling Nonferrous Metals Group Co Ltd
Priority to CN202211017517.2A priority Critical patent/CN115301414A/en
Publication of CN115301414A publication Critical patent/CN115301414A/en
Pending legal-status Critical Current

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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
    • 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
    • B03D1/1487—Means for cleaning or maintenance

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a self-cleaning flotation machine vertical shaft which comprises a shaft body, wherein a bottom plate is arranged at the bottom of the shaft body, a belt wheel is arranged at the top of the bottom plate, a pressure regulator is arranged inside the belt wheel, a cleaning device is arranged at the bottom of the pressure regulator, and a bearing is arranged at the bottom of the shaft body.

Description

Self-cleaning flotation machine vertical shaft
Technical Field
The invention relates to the technical field of flotation machines, in particular to a self-cleaning flotation machine vertical shaft.
Background
The flotation machine is a mechanical device for finishing the flotation process, and after being treated by adding a medicament into the flotation machine, certain ore particles are selectively fixed on bubbles through stirring and aeration, float to the surface of ore pulp and are scraped to form, and the rest part is kept in the ore pulp so as to achieve the purpose of separating minerals.
The flotation machine is driven by a motor triangle belt to drive a movable impeller to rotate, so that a centrifugal effect is generated to form negative pressure, on one hand, sufficient air is sucked to be mixed with ore pulp, on the other hand, the ore pulp is stirred to be mixed with medicine, and simultaneously, foam is refined, so that mineral is bonded on the foam and floats to the surface of the ore pulp to form mineralized foam. The height of the flashboard is adjusted, the liquid level is controlled, and useful foam is scraped by the scraper. The coal slurry and the medicament are fully mixed and then fed into the bottom of the first chamber of the flotation machine, negative pressure is formed in the wheel cavity after the impeller rotates, so that ore slurry under the bottom of the tank and in the tank respectively enters the mixing area through the lower suction port and the upper suction port of the impeller, air also enters the mixing area along the air guide sleeve, and the ore slurry, the air and the medicament are mixed here. Under the action of centrifugal force of the impeller, the mixed ore pulp enters the mineralization area, air forms bubbles and is crushed, the bubbles are fully contacted with coal particles to form mineralization bubbles, the mineralization bubbles are uniformly distributed on the cross section of the groove body under the action of the stator and the turbulent flow plate and move upwards to enter the separation area to be enriched to form a foam layer, and the foam layer is discharged by the foam scraping mechanism to form clean coal foam. The vertical shaft of the flotation machine is a very important working part in the flotation machine and must be ensured to be always in a circulating state.
In the prior art, for example, chinese patent numbers are: CN106902989A, which comprises; the stator unit is fixed in a tank body of the flotation machine, and an annular space with a spacing gap is formed around a hollow shaft in the tank body; and the rotor unit is arranged in the annular space of the stator unit and comprises a fixed frame fixed on the hollow shaft and blades uniformly fixed on the circumference of the fixed frame, and each blade comprises a connecting plate, and an upper plate and a lower plate which vertically extend from two ends of the connecting plate to opposite directions respectively. The impeller of the invention forms a structure which is gradually enlarged from the bottom to the upper circumference, so that the air entering the rotor unit and the stator unit is reasonably distributed and uniformly dispersed, the rotor unit ensures to generate a large amount of fine bubbles, and the stator unit determines ore slurry mixing and air dispersing parameters.
However, in the prior art, a vertical shaft of a traditional flotation machine rotates in the flotation machine, and meanwhile, the flotation machine is inflated through gas inside the vertical shaft, but after long-term use, a pipeline of the vertical shaft contains a large amount of scale which is composed of multi-metal mineral substances, and meanwhile, the vertical shaft often contains a large amount of pyrite substances which become extremely hard after being accumulated, and the pipeline is blocked along with layer-by-layer accumulation, so that the flotation machine cannot be inflated.
Disclosure of Invention
Aiming at the defects of the prior art, the technical scheme adopted by the invention for solving the technical problems is as follows: a self-cleaning flotation machine vertical shaft comprises a shaft body, wherein a bottom plate is arranged at the bottom of the shaft body, a belt wheel is arranged at the top of the bottom plate, a pressure regulator is arranged inside the belt wheel, a cleaning device is arranged at the bottom of the pressure regulator, a belt is clamped into the clamping groove, the belt wheel drives the shaft body to rotate under the driving of an external motor, the bottom plate is fixed inside the flotation machine, the pressure regulator controls the pressure of gas entering the inside of the shaft body, a bearing is arranged at the bottom of the shaft body, an air inlet pipe is arranged at the top of the shaft body, a cover plate is fixedly connected to the outer surface of the air inlet pipe, balls are connected to the inner surface of the cover plate in a rolling manner, and the clamping groove is formed in the bottom of each ball;
the pressure regulator includes adjusting nut, adjusting nut's internal surface threaded connection has the control screw, the bottom fixedly connected with toper piece of control screw, toper piece surface swing joint has the pressure boost pipe, and cleaning device rotates along with gaseous flow, and pivoted cleaning device cuts the inner wall of axis body to pieces to rub and clears away, and bearing and ball are through turning into rolling friction with sliding friction, reduce frictional resistance, improve stability, the lower fixedly connected with compression spring of pressure boost pipe, compression spring's bottom fixedly connected with connecting plate.
Preferably, the outer surface of the pressure increasing pipe is fixedly connected with the outer surface of the top end of the shaft body, the lower surface of the adjusting nut is rotatably connected with the upper surface of the cover plate, the control screw rod is controlled to move up and down through the adjusting nut, the control screw rod slides up and down along the inner surface of the cover plate, in the process, the distance between the conical block and the pressure increasing pipe is changed, the inner surface of the cover plate is slidably connected with the outer surface of the control screw rod, and the outer surface of the conical block is in contact with the inner surface of the pressure increasing pipe.
Preferably, the outer surface of the ball is rotatably connected to the inner surface of the shaft body, the outer surface of the shaft body is rotatably connected to the inner surface of the cover plate, when the distance between the outer surface of the ball and the inner surface of the shaft body increases, the flow cross section of air decreases, the flow rate and pressure of air discharged downward from the pressure increasing pipe further decrease, otherwise, the flow rate and pressure of air increase, the outer surface of the shaft body is fixedly connected to the inner surface of the pulley, the engaging groove is formed in the wall of the pulley, and the ball is annularly arranged along the inner surface of the cover plate.
Preferably, the pressure regulator is located the inside of axis body, carries out the vary voltage operation through adjusting nut to the fixed pressure's that the intake pipe got into air, satisfies the flotation requirement under the different situation, cleaning device is located the inside of axis body.
Preferably, cleaning device includes the lifter, and the air current blows the cleaning head, and the cleaning head drives the lifter and rotates, because the bevel connection has been seted up to the bottom of lifter and the top of dead lever, and the dead lever is fixed at the upper surface of bottom plate, the external fixed surface of lifter is connected with the cleaning head, the cleaning head is along the vertical linear array of surface of lifter.
Preferably, the bottom of lifter is provided with the dead lever, and at this in-process, the lifter slides from top to bottom along the surface of slide bar when rotating, and the internal surface of collecting ring slides from top to bottom relative to the surface of lifter, and the impurity that the cleaning head scraped and cleared away falls to the inside of collecting ring under the promotion of gravity and air current, the top fixedly connected with slide bar of dead lever, the outside of slide bar is provided with the collecting ring, the bottom fixedly connected with blow off pipe of collecting ring.
Preferably, the bottom of dead lever is connected with the last fixed surface of bottom plate, the internal surface of bottom plate is connected with the external fixed surface of blow off pipe, and the blow off pipe discharges the solid residue to the inside of axis body, prevents the inside jam of axis body, and at the in-process that the lifter reciprocated, compression spring is constantly pushed and shove to the connecting plate, the surface of slide bar and the internal surface sliding connection of lifter, the surface of lifter is connected with the internal surface rotation of collecting the ring, the surface of collecting the ring is connected with the internal surface rotation of axis body.
Preferably, the cleaning head comprises a rotating block, a spoiler is fixedly connected to the outer surface of the rotating block, a movable rod is arranged at the bottom of the spoiler, the spoiler rotates under the blowing of air, the rotating block is fixed to the outer portion of the lifting rod, the balancing weight drives the scraping plate to rotate along with the rotation of the lifting rod, the centrifugal force borne by the scraping plate is gradually increased along with the improvement of the rotating speed, the bottom end of the movable rod is rotatably connected with the scraping plate, and the balancing weight is fixedly connected to the outer surface of the scraping plate.
Preferably, the inner surface of the rotary block is fixedly connected with the outer surface of the lifting rod, the inclination angle of the movable rod is increased, the scraper blade which expands outwards cleans the inner wall of the shaft body to prevent materials from being accumulated and bonded, and the spoilers are annularly arranged along the outer surface of the rotary block after the equipment is stopped.
Preferably, the top of movable rod rotates with the lower surface of commentaries on classics piece to be connected, and the balancing weight drives the scraper blade whereabouts under the effect of gravity, and the inner wall of axis body is kept away from to the scraper blade, and the internal wall at the axis body is kept away from in flexonics when guaranteeing clean effect, can avoid the rigidity extrusion, causes the fracture, the surface of scraper blade and the internal surface sliding connection of axis body, the surface of balancing weight contacts with the surface of lifter.
The invention has the following beneficial effects:
1. according to the flotation machine, the shaft body is arranged, when the flotation machine is used, a belt is clamped into the clamping groove, the belt wheel is driven by the external motor to drive the shaft body to rotate, the bottom plate is fixed in the flotation machine, the pressure regulator controls the pressure of gas entering the shaft body, the cleaning device rotates along with the flowing of the gas, the rotating cleaning device scrapes and cleans the inner wall of the shaft body, sliding friction is converted into rolling friction by the bearing and the ball, friction resistance is reduced, stability is improved, and the problems that the interior of a vertical shaft of the traditional flotation machine is easy to block and friction loss is large are solved.
2. According to the invention, the pressure regulator is arranged, when the device is used, the control screw rod is controlled to move up and down through the regulating nut, the control screw rod slides up and down along the inner surface of the cover plate, in the process, the distance between the conical block and the pressure increasing pipe is changed, when the distance between the conical block and the pressure increasing pipe is increased, the flow cross section of air is reduced, the flow speed and the pressure of air discharged downwards from the pressure increasing pipe are further reduced, otherwise, the flow speed and the pressure of air are increased, the pressure changing operation is carried out on air with fixed pressure entering the air inlet pipe through the regulating nut, the flotation requirements under different conditions are met, and the problem of fixed air flow pressure inside the traditional flotation machine is solved.
3. According to the invention, through arranging the cleaning device, when the device is used, airflow blows the cleaning head, the cleaning head drives the lifting rod to rotate, as the bottom end of the lifting rod and the top end of the fixed rod are provided with the inclined ports, and the fixed rod is fixed on the upper surface of the bottom plate, in the process, the lifting rod rotates and slides up and down along the outer surface of the sliding rod, the inner surface of the collecting ring slides up and down relative to the outer surface of the lifting rod, impurities scraped and removed by the cleaning head fall into the collecting ring under the pushing of gravity and airflow, the solid residues are discharged into the shaft body by the sewage discharge pipe, the blockage in the shaft body is prevented, and in the process that the lifting rod moves up and down, the connecting plate continuously pushes the compression spring, so that the problems that the inside of a vertical shaft of the traditional flotation machine is difficult to clean and easy to block are solved.
4. According to the invention, by arranging the cleaning head, when the device is used, the spoiler rotates under the blowing of air, the rotating block is fixed outside the lifting rod, the balancing weight drives the scraper to rotate along with the rotation of the lifting rod, the centrifugal force borne by the scraper gradually increases along with the increase of the rotating speed, the inclination angle of the movable rod increases, the scraper expanding outwards cleans the inner wall of the shaft body, and the materials are prevented from being accumulated and bonded.
Drawings
FIG. 1 is a front view of the vertical shaft of the self-cleaning flotation machine;
FIG. 2 is a cross-sectional view of the vertical shaft of the present self-cleaning flotation machine;
FIG. 3 is a schematic structural view of a vertical shaft body of the self-cleaning flotation machine;
FIG. 4 is a schematic view of the structure of the self-cleaning flotation machine at the vertical shaft A;
FIG. 5 is a schematic structural diagram of the vertical shaft pressure regulator of the self-cleaning flotation machine;
FIG. 6 is a schematic structural view of the vertical shaft cleaning device of the self-cleaning flotation machine;
FIG. 7 is a schematic view of the structure of the self-cleaning flotation machine at the vertical shaft B;
figure 8 is a schematic structural view of the vertical shaft air joint of the self-cleaning flotation machine.
In the figure: 1. a shaft body; 2. a base plate; 3. a pulley; 4. a voltage regulator; 5. a cleaning device; 6. a bearing; 10. an air inlet pipe; 11. a cover plate; 12. a ball bearing; 13. a card slot; 14. adjusting the nut; 15. controlling the screw; 16. a conical block; 17. a pressure increasing pipe; 18. a compression spring; 19. a connecting plate; 20. a lifting rod; 21. a cleaning head; 22. fixing the rod; 23. a slide bar; 24. a collection ring; 25. a blow-off pipe; 26. rotating the block; 27. a spoiler; 28. a movable rod; 29. a squeegee; 30. and a balancing weight.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
The first embodiment is as follows:
referring to fig. 1 to 8, the present invention provides a technical solution: a self-cleaning flotation machine vertical shaft comprises a shaft body 1, wherein a bottom plate 2 is arranged at the bottom of the shaft body 1, a belt wheel 3 is arranged at the top of the bottom plate 2, a pressure regulator 4 is arranged inside the belt wheel 3, a cleaning device 5 is arranged at the bottom of the pressure regulator 4, a bearing 6 is arranged at the bottom of the shaft body 1, an air inlet pipe 10 is arranged at the top of the shaft body 1, a cover plate 11 is fixedly connected to the outer surface of the air inlet pipe 10, a ball 12 is connected to the inner surface of the cover plate 11 in a rolling manner, and a clamping groove 13 is arranged at the bottom of the ball 12; the pressure regulator 4 comprises an adjusting nut 14, a control screw 15 is in threaded connection with the inner surface of the adjusting nut 14, a conical block 16 is fixedly connected to the bottom end of the control screw 15, a pressure increasing pipe 17 is movably connected to the outer surface of the conical block 16, a compression spring 18 is fixedly connected to the lower surface of the pressure increasing pipe 17, and a connecting plate 19 is fixedly connected to the bottom end of the compression spring 18.
The outer surface of the pressure increasing pipe 17 is fixedly connected with the outer surface of the top end of the shaft body 1, the lower surface of the adjusting nut 14 is rotatably connected with the upper surface of the cover plate 11, the inner surface of the cover plate 11 is slidably connected with the outer surface of the control screw 15, and the outer surface of the conical block 16 is in contact with the inner surface of the pressure increasing pipe 17. The outer surface of the ball 12 is rotatably connected with the inner surface of the shaft body 1, the outer surface of the shaft body 1 is rotatably connected with the inner surface of the cover plate 11, the outer surface of the shaft body 1 is fixedly connected with the inner surface of the belt pulley 3, the clamping groove 13 is formed in the wall of the belt pulley 3, and the ball 12 is annularly arranged along the inner surface of the cover plate 11. The pressure regulator 4 is located inside the shaft body 1, and the cleaning device 5 is located inside the shaft body 1.
When the flotation device is used, a belt is clamped into the clamping groove 13, the belt wheel 3 is driven by an external motor to drive the shaft body 1 to rotate, the bottom plate 2 is fixed in the flotation machine, the pressure regulator 4 controls the pressure of gas entering the shaft body 1, the cleaning device 5 rotates along with the flowing of the gas, the rotating cleaning device 5 scrapes and cleans the inner wall of the shaft body 1, and the bearing 6 and the ball 12 convert sliding friction into rolling friction, so that the friction resistance is reduced, and the stability is improved.
The control screw 15 is controlled to move up and down through the adjusting nut 14, the control screw 15 slides up and down along the inner surface of the cover plate 11, in the process, the distance between the conical block 16 and the pressure increasing pipe 17 is changed, when the distance between the conical block and the pressure increasing pipe is increased, the flow section of air is reduced, the flow speed and the pressure of air discharged downwards from the pressure increasing pipe 17 are further reduced, on the contrary, the flow speed and the pressure of air are increased, and the pressure changing operation is carried out on air with fixed pressure entering the air inlet pipe 10 through the adjusting nut 14, so that the flotation requirements under different conditions are met.
Example two:
referring to fig. 1 to 8, the present invention provides a technical solution: on the basis of the first embodiment, the cleaning device 5 comprises a lifting rod 20, a cleaning head 21 is fixedly connected to the outer surface of the lifting rod 20, and the cleaning heads 21 are vertically and linearly arranged along the outer surface of the lifting rod 20. The bottom of the lifting rod 20 is provided with a fixed rod 22, the top end of the fixed rod 22 is fixedly connected with a sliding rod 23, the outside of the sliding rod 23 is provided with a collecting ring 24, and the bottom of the collecting ring 24 is fixedly connected with a sewage discharge pipe 25.
The bottom end of the fixed rod 22 is fixedly connected with the upper surface of the bottom plate 2, the inner surface of the bottom plate 2 is fixedly connected with the outer surface of the sewage discharge pipe 25, the outer surface of the sliding rod 23 is slidably connected with the inner surface of the lifting rod 20, the outer surface of the lifting rod 20 is rotatably connected with the inner surface of the collecting ring 24, and the outer surface of the collecting ring 24 is rotatably connected with the inner surface of the shaft body 1. The cleaning head 21 comprises a rotating block 26, a spoiler 27 is fixedly connected to the outer surface of the rotating block 26, a movable rod 28 is arranged at the bottom of the spoiler 27, a scraping plate 29 is rotatably connected to the bottom end of the movable rod 28, and a balancing weight 30 is fixedly connected to the outer surface of the scraping plate 29.
The inner surface of the rotary block 26 is fixedly coupled to the outer surface of the lifter 20, and the spoilers 27 are annularly arranged along the outer surface of the rotary block 26. The top end of the movable rod 28 is rotatably connected with the lower surface of the rotating block 26, the outer surface of the scraping plate 29 is slidably connected with the inner surface of the shaft body 1, and the outer surface of the balancing weight 30 is in contact with the outer surface of the lifting rod 20.
When the cleaning device is used, the airflow blows the cleaning head 21, the cleaning head 21 drives the lifting rod 20 to rotate, as the bottom end of the lifting rod 20 and the top end of the fixing rod 22 are provided with the inclined openings, and the fixing rod 22 is fixed on the upper surface of the bottom plate 2, in the process, the lifting rod 20 rotates and slides up and down along the outer surface of the sliding rod 23, the inner surface of the collecting ring 24 slides up and down relative to the outer surface of the lifting rod 20, impurities scraped and removed by the cleaning head 21 fall into the collecting ring 24 under the push of gravity and the airflow, the solid residues are discharged into the shaft body 1 through the drain pipe 25, the blockage in the shaft body 1 is prevented, and the compression spring 18 is continuously pushed by the connecting plate 19 in the process of the lifting rod 20 moving up and down.
Spoiler 27 rotates under the blowing of air, the outside at lifter 20 is fixed to commentaries on classics piece 26, along with the rotation of lifter 20, balancing weight 30 drives scraper blade 29 rotatory, along with the improvement of rotational speed, the centrifugal force that scraper blade 29 received increases gradually, the inclination increase of movable rod 28, the scraper blade 29 of outside expansion is clean with the inner wall of axis body 1, prevent that the material from piling up cohering, after equipment stop uses, balancing weight 30 is under the effect of gravity, drive scraper blade 29 whereabouts, the inner wall of axis body 1 is kept away from to scraper blade 29, when the clean effect of assurance, can avoid the rigidity extrusion, cause the fracture.
Example three:
referring to fig. 1-8, the present invention provides a technical solution: on the basis of the second embodiment, the top of the shaft body 1 is provided with an air inlet pipe 10, the outer surface of the air inlet pipe 10 is fixedly connected with a cover plate 11, the inner surface of the cover plate 11 is connected with balls 12 in a rolling manner, and the bottoms of the balls 12 are provided with clamping grooves 13; the regulator 4 comprises an adjusting nut 14, the inner surface of the cover plate 11 is slidably connected with the outer surface of the control screw 15, and the outer surface of the conical block 16 is in contact with the inner surface of the pressure increasing pipe 17. The outer surface of the ball 12 is rotatably connected with the inner surface of the shaft body 1, the outer surface of the shaft body 1 is rotatably connected with the inner surface of the cover plate 11, and the cleaning heads 21 are vertically and linearly arranged along the outer surface of the lifting rod 20. The bottom of the lifting rod 20 is provided with a fixed rod 22, the top end of the fixed rod 22 is fixedly connected with a sliding rod 23, the top end of a movable rod 28 is rotatably connected with the lower surface of a rotating block 26, and the outer surface of a scraping plate 29 is slidably connected with the inner surface of the shaft body 1.
When the device is used, the cleaning device 5 rotates along with the flowing of gas, the inner wall of the shaft body 1 is scraped and removed by the rotating cleaning device 5, pressure-variable operation is carried out on air with fixed pressure entering the air inlet pipe 10 through the adjusting nut 14, the flotation requirements under different conditions are met, impurities scraped and removed by the cleaning head 21 fall into the collecting ring 24 under the pushing of gravity and air flow, solid residues are discharged into the shaft body 1 through the blow-off pipe 25, the blocking of the inside of the shaft body 1 is prevented, the scraper 29 which is expanded outwards cleans the inner wall of the shaft body 1, and the materials are prevented from being accumulated and bonded.
The working principle is as follows:
when the device is used, a belt is clamped into the clamping groove 13, the belt wheel 3 is driven by an external motor to drive the shaft body 1 to rotate, the bottom plate 2 is fixed in the flotation machine, the pressure regulator 4 controls the pressure of gas entering the shaft body 1, the cleaning device 5 rotates along with the flowing of the gas, the rotating cleaning device 5 scrapes and removes the inner wall of the shaft body 1, the bearing 6 and the ball 12 convert sliding friction into rolling friction, the friction resistance is reduced, the stability is improved, and the problems that the inside of a vertical shaft of the traditional flotation machine is easy to block and the friction loss is large are solved.
The upper and lower of the control screw 15 are controlled by the adjusting nut 14, the control screw 15 slides up and down along the inner surface of the cover plate 11, in the process, the distance between the conical block 16 and the pressure increasing pipe 17 is changed, when the distance between the conical block and the pressure increasing pipe is increased, the flow section of air is reduced, the flow speed and the pressure of air discharged downwards from the pressure increasing pipe 17 are further reduced, otherwise, the flow speed and the pressure of air are increased, the pressure changing operation is carried out on air with fixed pressure entering the air inlet pipe 10 through the adjusting nut 14, the flotation requirements under different conditions are met, and the problem that the air flow pressure inside the traditional flotation machine is fixed is solved.
The airflow blows the cleaning head 21, the cleaning head 21 drives the lifting rod 20 to rotate, inclined ports are formed in the bottom end of the lifting rod 20 and the top end of the fixed rod 22, the fixed rod 22 is fixed on the upper surface of the bottom plate 2, in the process, the lifting rod 20 slides up and down along the outer surface of the sliding rod 23 while rotating, the inner surface of the collecting ring 24 slides up and down relative to the outer surface of the lifting rod 20, impurities scraped and removed by the cleaning head 21 fall into the collecting ring 24 under the pushing of gravity and the airflow, the solid residues are discharged into the shaft body 1 through the drain pipe 25, the blockage in the shaft body 1 is prevented, the compression spring 18 is continuously pushed by the connecting plate 19 in the process that the lifting rod 20 moves up and down, and the problems that the inner part of a vertical shaft of a traditional flotation machine is difficult to clean and easy to block are solved.
Spoiler 27 rotates under the blowing of air, the outside at lifter 20 is fixed to commentaries on classics piece 26, along with the rotation of lifter 20, balancing weight 30 drives scraper blade 29 rotatory, along with the improvement of rotational speed, the centrifugal force that scraper blade 29 received increases gradually, the inclination of movable rod 28 increases, the scraper blade 29 of outside expansion is clean with the inner wall of axis body 1, prevent that the material from piling up cohering, after equipment stops using, balancing weight 30 is under the effect of gravity, drive scraper blade 29 whereabouts, the inner wall of axis body 1 is kept away from to scraper blade 29, flexible connection is in when guaranteeing clean effect, can avoid the rigidity extrusion, cause the fracture, the problem of the inside periodic cleaning that needs of traditional flotation machine vertical scroll has been solved.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific details or limitations.

Claims (10)

1. A self-cleaning flotation machine vertical shaft comprises a shaft body (1), and is characterized in that: the bottom of the shaft body (1) is provided with a bottom plate (2), the top of the bottom plate (2) is provided with a belt wheel (3), a pressure regulator (4) is arranged inside the belt wheel (3), the bottom of the pressure regulator (4) is provided with a cleaning device (5), the bottom of the shaft body (1) is provided with a bearing (6), the top of the shaft body (1) is provided with an air inlet pipe (10), the outer surface of the air inlet pipe (10) is fixedly connected with a cover plate (11), the inner surface of the cover plate (11) is connected with balls (12) in a rolling manner, and the bottom of the balls (12) is provided with a clamping groove (13);
the pressure regulator (4) includes adjusting nut (14), the internal surface threaded connection of adjusting nut (14) has control screw (15), the bottom fixedly connected with toper piece (16) of control screw (15), toper piece (16) surface swing joint has pressure boost pipe (17), the lower fixed surface of pressure boost pipe (17) is connected with compression spring (18), the bottom fixedly connected with connecting plate (19) of compression spring (18).
2. A self-cleaning flotation machine vertical shaft according to claim 1, wherein: the outer surface of the pressure increasing pipe (17) is fixedly connected with the outer surface of the top end of the shaft body (1), the lower surface of the adjusting nut (14) is rotatably connected with the upper surface of the cover plate (11), the inner surface of the cover plate (11) is slidably connected with the outer surface of the control screw rod (15), and the outer surface of the conical block (16) is in contact with the inner surface of the pressure increasing pipe (17).
3. A self-cleaning flotation machine vertical shaft according to claim 1, wherein: the outer surface of the ball (12) is rotatably connected with the inner surface of the shaft body (1), the outer surface of the shaft body (1) is rotatably connected with the inner surface of the cover plate (11), the outer surface of the shaft body (1) is fixedly connected with the inner surface of the belt wheel (3), the clamping groove (13) is formed in the wall of the belt wheel (3), and the ball (12) is annularly arranged along the inner surface of the cover plate (11).
4. A self-cleaning flotation machine vertical shaft according to claim 1, wherein: the pressure regulator (4) is located inside the shaft body (1), and the cleaning device (5) is located inside the shaft body (1).
5. A self-cleaning flotation machine vertical shaft according to claim 1, wherein: the cleaning device (5) comprises a lifting rod (20), cleaning heads (21) are fixedly connected to the outer surface of the lifting rod (20), and the cleaning heads (21) are vertically and linearly arranged along the outer surface of the lifting rod (20).
6. A self-cleaning flotation machine vertical shaft according to claim 5, wherein: the bottom of lifter (20) is provided with dead lever (22), the top fixedly connected with slide bar (23) of dead lever (22), the outside of slide bar (23) is provided with collection ring (24), the bottom fixedly connected with blow off pipe (25) of collection ring (24).
7. A self-cleaning flotation machine vertical shaft according to claim 6, wherein: the bottom of dead lever (22) is connected with the last fixed surface of bottom plate (2), the internal surface of bottom plate (2) is connected with the surface fixed of blow off pipe (25), the surface of slide bar (23) and the internal surface sliding connection of lifter (20), the surface of lifter (20) is connected with the internal surface rotation of collection ring (24), the surface of collection ring (24) is connected with the internal surface rotation of axis body (1).
8. A self-cleaning flotation machine vertical shaft according to claim 5, wherein: the cleaning head (21) comprises a rotating block (26), a spoiler (27) is fixedly connected to the outer surface of the rotating block (26), a movable rod (28) is arranged at the bottom of the spoiler (27), a scraping plate (29) is rotatably connected to the bottom end of the movable rod (28), and a balancing weight (30) is fixedly connected to the outer surface of the scraping plate (29).
9. A self-cleaning flotation machine vertical shaft according to claim 8, wherein: the inner surface of the rotary block (26) is fixedly connected with the outer surface of the lifting rod (20), and the spoilers (27) are annularly arranged along the outer surface of the rotary block (26).
10. A self-cleaning flotation machine vertical shaft according to claim 9, wherein: the top end of the movable rod (28) is rotatably connected with the lower surface of the rotating block (26), the outer surface of the scraper (29) is in sliding connection with the inner surface of the shaft body (1), and the outer surface of the balancing weight (30) is in contact with the outer surface of the lifting rod (20).
CN202211017517.2A 2022-08-24 2022-08-24 Self-cleaning flotation machine vertical shaft Pending CN115301414A (en)

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CN202211017517.2A CN115301414A (en) 2022-08-24 2022-08-24 Self-cleaning flotation machine vertical shaft

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Application Number Priority Date Filing Date Title
CN202211017517.2A CN115301414A (en) 2022-08-24 2022-08-24 Self-cleaning flotation machine vertical shaft

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CN115301414A true CN115301414A (en) 2022-11-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116328955A (en) * 2023-05-31 2023-06-27 山东远通公路工程集团有限公司 Pitch ore floatation pitch processing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116328955A (en) * 2023-05-31 2023-06-27 山东远通公路工程集团有限公司 Pitch ore floatation pitch processing apparatus
CN116328955B (en) * 2023-05-31 2023-08-22 山东远通公路工程集团有限公司 Pitch ore floatation pitch processing apparatus

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