CN117548237B - Mineral flotation separation equipment - Google Patents
Mineral flotation separation equipment Download PDFInfo
- Publication number
- CN117548237B CN117548237B CN202410038185.9A CN202410038185A CN117548237B CN 117548237 B CN117548237 B CN 117548237B CN 202410038185 A CN202410038185 A CN 202410038185A CN 117548237 B CN117548237 B CN 117548237B
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- cavity
- driven
- flotation
- air
- air guide
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- 238000005188 flotation Methods 0.000 title claims abstract description 161
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 40
- 239000011707 mineral Substances 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 abstract description 15
- 238000003756 stirring Methods 0.000 abstract description 8
- 238000005187 foaming Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 32
- 230000000903 blocking effect Effects 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 12
- 238000010992 reflux Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 230000002572 peristaltic effect Effects 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009291 froth flotation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
-
- 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
- B03D1/20—Flotation machines with impellers; Subaeration machines with internal air pumps
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Paper (AREA)
Abstract
The invention relates to the technical field of mineral flotation, and discloses mineral flotation separation equipment, which is used for bearing a plurality of flotation cells to synchronously work through a structure of a base and a boss, and simultaneously solves the technical problems of synchronous stirring and foaming of the plurality of flotation cells by utilizing the mutual coordination of a crank, a connecting rod, a piston, a gear and a toothed ring, so that the technical effects of effectively improving the concentrate flotation efficiency and reducing the energy consumption are realized.
Description
Technical Field
The invention relates to the technical field of mineral flotation, in particular to mineral flotation separation equipment.
Background
Beneficiation is a process of physically or chemically separating useful minerals from unwanted minerals (often called gangue) or deleterious minerals in a mineral feedstock, or separating multiple useful minerals. Flotation is an important mineral separation mode, and is carried out according to the differences of floatability of minerals according to the differences of physical and chemical properties of the surfaces of mineral particles, and a common flotation method is generally foam flotation. In the flotation process, workers need to add a collector into ore pulp to enhance the hydrophobicity of minerals to be floated, then add various regulators to improve the selectivity, finally add a foaming agent and aerate to generate bubbles, so that hydrophobic mineral particles are attached to the bubbles and float upwards for separation. The most basic behavior in flotation is mineralization of flotation bubbles, i.e. attachment of minerals, drugs and bubbles. The main function of the flotation machine is to fill or suck air into ore pulp to form a large number of fine and uniform bubbles, and the flotation process of attaching ore, medicine and bubbles is completed.
The existing flotation device is generally characterized in that a flotation cell is hung on a flotation machine, a stirring shaft on the flotation machine stretches into the flotation cell from the upper side of the flotation cell to stir ore pulp in the flotation cell, the stirring shaft adopts a hollow shaft, air is introduced into the ore pulp from the stirring shaft, and concentrate floated on the upper part of the flotation cell is scraped out through a rotary scraping device, so that flotation separation of minerals is realized. However, in the practical use process of the flotation device, the rear part and the upper part of the flotation tank are shielded, so that the observation of materials in the flotation tank is inconvenient, and a stirring shaft stretches into the flotation tank from the upper part of the flotation tank to greatly shield an upper opening of the flotation tank, so that the feeding in the flotation process is inconvenient; in addition, the existing flotation device cannot be assembled into a multi-stage mineral flotation device through a plurality of series connection, the existing laboratory multi-stage mineral flotation device needs to be purchased independently, the volume of a flotation tank cannot be changed, multi-stage equipment and single-tank equipment cannot be used in a converting mode, so that the investment of funds is high, the equipment idle rate is high, and limited production space is occupied.
In order to solve the above technical problems, a person skilled in the art discloses a multistage mineral flotation device for testing and a method for applying the same, which has the publication number: CN108636618B; this patent is with flotation tank demountable installation on the base, installs the flotation motor in the base, rotates the installation impeller in the bottom of flotation tank to can dismantle the pivot of impeller and the pivot of flotation motor and be connected, through flotation motor drive impeller rotation, during the use, place the flotation tank on the base, make the pivot of impeller be connected with the pivot of flotation motor, open the flotation motor and stir, and utilize the breather pipe to let in the air current in to the ore pulp, can carry out the flotation operation. When this patent is implemented, the back and the top surface of flotation cell all can not be sheltered from, are favorable to observing the flotation cell internal material, are convenient for add the material to same base can match the flotation cell of different specifications, and the use mode is more nimble.
However, the above patent still has the following drawbacks in the actual use process:
in the implementation process of the first and the second patents, only one flotation tank can be adopted in the flotation process of the same stage, a plurality of flotation tanks can not be arranged at the same time in the flotation process of the same stage according to the requirement of the yield, the flotation efficiency and the concentrate yield of the whole device are limited by the number of the flotation tanks, and the requirement of industrial production can not be met;
secondly, in the process of mineral flotation, each flotation cell needs to be matched with a corresponding electric motor and an air pump to implement the foaming flotation process, so that a large amount of electric energy is consumed in the mineral batch flotation process, and the energy cost of mineral batch flotation is further increased.
Accordingly, there is a need in the art for a flotation device that is efficient in flotation and effective in reducing energy consumption to accommodate the demands of mineral flotation production.
Disclosure of Invention
The invention aims to solve the problems, and designs mineral flotation separation equipment.
The technical scheme of the invention for achieving the purpose comprises a base and a plurality of flotation tanks, wherein a mounting boss is fixedly arranged on the upper surface of the base, a material guide cylinder is arranged on the upper surface of the boss, the plurality of flotation tanks are arranged around the material guide cylinder, a square notch is arranged at the joint between the inner surface of the flotation tank and the lower surface of the flotation tank, a plurality of air guide holes are arranged at the edge of the upper surface of the boss, the plurality of air guide holes and the plurality of flotation tanks are in one-to-one correspondence, an air charging nozzle is arranged on the upper surface of the notch, one end of the air guide hole corresponding to the lower end of the air charging nozzle can be inserted, a one-way valve I is arranged in the air charging nozzle, the conduction direction of the one-way valve I is the upper end of the air charging nozzle, a plurality of driven cavities are arranged on the upper surface of the base, the driven cavities are in one-to-one correspondence with the flotation tanks, a driven shaft is arranged on the lower surface of the flotation tank, the driven shaft is positioned in the driven shaft, the upper end of the driven shaft is in one-to-one correspondence with the air guide cavities, the upper end of the driven shaft is provided with the air guide cavities are respectively, the upper end of the air guide cavities is communicated with the upper end of the air guide cavity is arranged in the base, the upper end of the air guide cavity is communicated with the air guide cavity, the upper end of the air guide cavity is respectively, the upper end of the air guide cavity is communicated with the upper end of the air guide cavity is arranged in the power cavity, the upper end is communicated with the upper end of the air guide cavity is respectively, and the upper end is communicated with the upper end of the air guide cavity is respectively, the direction of conduction of the second check valve is from the side surface of the base to the upper end of the air guide cavity, an annular groove is formed in the side surface of the power cavity and is respectively communicated with a plurality of driven cavities, driven units are arranged in the driven cavities and can be connected with the lower ends of the driven shafts and rotate with the driven shafts, driving units are arranged in the power cavity and are respectively connected with the pistons and a plurality of the driven units, the driving units can drive the pistons to do lifting motion in the air guide cavity, and the driving units can also drive a plurality of the driven units to rotate.
The driving unit comprises a motor, a crank, a connecting rod, a gear, a toothed ring and two hanging brackets, wherein the two hanging brackets are respectively positioned on two sides of the opening of the lower end of the air guide cavity, the two hanging brackets are respectively provided with a first bearing, the crank is of a 'several' shaped structure formed by bending round rods, one end of the crank penetrates through the bearing on the hanging bracket and is connected with a rotating shaft of the motor, the other end of the crank penetrates through the bearing on the other hanging bracket and stretches into the annular groove, a bending part in the middle of the crank faces to the opening of the lower end of the air guide cavity, a sleeve is arranged at the lower end of the connecting rod, the sleeve is sleeved on the bending part in the middle of the crank, the sleeve can rotate around the crank, the upper end of the connecting rod stretches into the air guide cavity and is movably connected with the lower surface of the piston, the gear is arranged at the other end of the crank, the crank and the gear can synchronously rotate under the driving of the motor, the crank can pull the piston through the lifting and the bearing on the hanging bracket and stretch into the annular groove, the toothed ring is arranged in the annular groove or the annular groove, the driven ring is meshed with the driven ring, and the driven ring is meshed with the annular gear.
The side surface of the driven cavity is communicated with the side surface of the annular groove through a rectangular opening, the edge of the driven unit protrudes into the annular groove through the rectangular opening, and the edge of the driven unit is meshed with the outer ring gear.
The driven unit comprises a fixed shaft and a rotating disc, the lower end face of the fixed shaft is connected with the bottom face of the driven cavity, a bearing II is arranged on the lower surface of the rotating disc, the rotating disc is installed at the top end of the fixed shaft through the bearing II, the rotating disc can rotate at the top end of the fixed shaft, the edge of the rotating disc protrudes into the annular groove through the rectangular opening, gear teeth are arranged on the edge of the rotating disc, the edge of the rotating disc is meshed with the outer annular gear through the gear teeth, a connecting pipe is installed on the upper surface of the rotating disc, the center line of the connecting pipe, the center line of the rotating disc and the center line of the fixed shaft are all located on the same vertical straight line, the connecting pipe is of a tubular structure with the lower end closed and the upper end open, the closed face of the lower end of the connecting pipe is connected with the upper surface of the rotating disc, a slot is arranged on the bottom face of the inner cavity of the connecting pipe, the shape and the size of the slot are matched with those of the prism, and when the driven shaft is inserted into the slot, the slot is capable of being inserted into the slot and tightly matched with the slot.
The fixed shaft is close to the rectangular opening, the rotating disc and the toothed ring are located in the same horizontal plane, and the lower end of the fixed shaft and the bottom surface of the driven cavity are reinforced by reinforcing ribs.
The position of the air inlet hole communicated with the air guide cavity and the position of the air guide hole communicated with the air guide cavity are both located above the piston, and the length value of the connecting rod is matched with the length value of the air guide cavity and ensures that the piston cannot block the air inlet hole and the air guide hole in the rising process.
The flotation tank is internally provided with a separation barrel, the separation barrel is arranged around the periphery of the impeller, the upper edge of the separation barrel is lower than the upper edge of the flotation tank, a gap for ore pulp to pass through is reserved between the separation barrel and the inner wall of the flotation tank, the lower edge of the separation barrel is connected with the bottom surface of the inner cavity of the flotation tank through a backflow grating, and the position of the lower edge of the separation barrel is higher than the position of the upper end of the charging connector.
The port at the upper end of the charging connector faces the reflux grating, and bubbles sprayed out of the charging connector can enter the barrier cylinder through the reflux grating.
The position of the lower edge of the separation barrel is higher than that of the impeller, the impeller can push ore pulp and bubbles in the separation barrel to the upper side of the separation barrel in the rotating process and produce negative pressure in an area surrounded by the reflux grating, and the ore pulp between the reflux grating and the inner wall of the flotation tank is driven by the negative pressure to flow back into the inner cavity of the separation barrel through the reflux grating.
And a detachable interception net is arranged in a port, communicated with the side surface of the base, of the air inlet.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the motor is matched with the crank, and the piston and the impellers are driven to act simultaneously, so that foaming flotation is synchronously implemented on the flotation tanks, the energy consumption in the mineral flotation process is effectively controlled, and the cost of batch mineral separation is saved;
2. according to the invention, the flotation tanks can be quickly assembled and disassembled on the base, and a worker can adjust the number of the flotation tanks used in each stage of flotation process according to the concentrate yield requirement, so that the mineral flotation work is more flexible, and the requirement of industrial production can be better met;
3. the structural design adopted by the invention is simpler and more practical, has better operability and can better meet the production requirements of enterprises.
Drawings
FIG. 1 is a schematic view of a mineral flotation separation apparatus according to example 1 of the present invention (wherein the tailings removal pipe is not shown);
FIG. 2 is a schematic view showing the structure of the upper surface of the base according to embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of the plane A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view showing the structure of the separation state of the flotation cell and the base in FIG. 3 according to the present invention;
FIG. 5 is a schematic cross-sectional view of the base portion of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged partial schematic view of portion B of FIG. 3 in accordance with the present invention;
FIG. 7 is an enlarged partial schematic view of portion C of FIG. 3 in accordance with the present invention;
FIG. 8 is a schematic view showing the structure of the upper surface of the base in embodiment 2 of the present invention;
in the figure, 1, a base; 2. a flotation cell; 3. a boss; 4. a guide cylinder; 5. a notch; 6. an air guide hole; 7. an air charging nozzle; 8. a driven cavity; 9. a driven shaft; 10. an impeller; 11. an air guide cavity; 12. a power cavity; 13. a piston; 14. an air inlet hole; 15. an annular groove; 16. a motor; 17. a crank; 18. a connecting rod; 19. a gear; 20. a toothed ring; 21. a hanging bracket; 22. a sleeve; 23. inner ring teeth; 24. outer ring teeth; 25. a fixed shaft; 26. a rotating disc; 27. a connecting pipe; 28. a slot; 29. a barrier cylinder; 30. and (3) a reflow grille.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 8;
example 1: a mineral flotation separation device comprises a base 1 and a plurality of flotation tanks 2, wherein the base 1 is in a rectangular plate-shaped structure, a boss 3 is fixedly arranged at the center of the upper surface of the base 1, the boss 3 is similar to the base 1 in shape, a guide cylinder 4 is arranged on the upper surface of the boss 3, the guide cylinder 4 is in a cylindrical structure with an upper end opening and a lower end being closed, the guide cylinder 4 is in a cylindrical or prismatic shape, a concentrate discharge pipe is arranged at the lower end of the guide cylinder 4, one end port of the concentrate discharge pipe is communicated with an inner cavity of the guide cylinder 4, the other end port of the concentrate discharge pipe is used for connecting the concentrate treatment device or the flotation tank 2 of the next stage, the flotation tanks 2 are arranged on the upper surface of the base 1, the flotation tanks 2 are arranged around the guide cylinder 4, the upper end opening of the flotation tank 2 is higher than the upper end opening of the guide cylinder 4, the upper end opening of the flotation tank 2 can receive mineral powder used for flotation or tailings generated after the last stage of flotation, a guide tank is arranged at the upper end opening of the flotation tank 2, concentrate which overflows from the top of the flotation tank 2 can be guided into a guide cylinder 4 by the guide tank, the lower surface of the flotation tank 2 is placed on the upper surface of a base 1, the side surface of the flotation tank 2 opposite to the guide cylinder 4 is the inner surface of the flotation tank 2, the inner surface of the flotation tank 2 can be attached to the outer side surface of the guide cylinder 4, the side surface of the flotation tank 2 away from the guide cylinder 4 is the outer side surface, a tailings discharge pipe is arranged on the outer side surface of the flotation tank 2, one end port of the tailings discharge pipe is communicated with the inner cavity of the flotation tank 2, one end of the tailings discharge pipe is close to the lower surface of the flotation tank 2, the other end port of the tailings discharge pipe is used for connecting tailings treatment equipment or the flotation tank 2 of the next stage, peristaltic pumps are arranged on the concentrate discharge pipe and the tailings discharge pipe, the peristaltic pump is used for dragging concentrate or tailings, the junction between the inner surface of the flotation tank 2 and the lower surface of the flotation tank 2 is provided with a rectangular opening 5, the upper surface in the opening 5 can be attached to the upper surface of the boss 3, the edge of the upper surface of the boss 3 is provided with a plurality of air holes 6, the plurality of air holes 6 are in one-to-one correspondence with the plurality of flotation tanks 2, the upper surface of the opening 5 of the flotation tank 2 can cover one end of the air hole 6 corresponding to the air holes, the upper surface of the opening 5 is provided with an air charging nozzle 7, the upper end of the air charging nozzle 7 is communicated with the inner cavity of the flotation tank 2, the lower end of the air charging nozzle 7 points to one end of the air hole 6 corresponding to the air charging nozzle 7, the lower end of the air charging nozzle 7 can be inserted into one end of the air hole 6 corresponding to the air charging nozzle 7, the lower end of the air charging nozzle 7 can be plugged up one end of the air hole 6 and high pressure air flow in the air hole 6 can be ensured to enter the inner cavity of the flotation tank 2 through the air charging nozzle 7, the air charging nozzle 7 is internally provided with a one-way valve I, the conduction direction of the one-way valve I is from the lower end of the air charging nozzle 7 to the upper end of the air charging nozzle, the side surface in the opening 5 can be attached to the side surface of the boss 3, the upper surface of the base 1 is provided with a plurality of driven cavities 8, the driven cavities 8 are in one-to-one correspondence with the flotation cells 2, the lower surface of the flotation cell 2 is opposite to the corresponding driven cavities 8, the lower surface of the flotation cell 2 is provided with a driven shaft 9, the driven shaft 9 vertically penetrates through the lower surface of the flotation cell 2 and is movably connected with the lower surface of the flotation cell 2, the driven shaft 9 can rotate on the lower surface of the flotation cell 2, the upper end of the driven shaft 9 is positioned in the flotation cell 2, the upper end of the driven shaft 9 is provided with an impeller 10, the impeller 10 can stir ore pulp in the flotation cell 2 and drive the ore pulp in the flotation cell 2 to surge upwards when rotating, the lower extreme of driven shaft 9 is located flotation cell 2 below, the lower surface of driven shaft 9 is equipped with the prism, the length direction of prism and the length direction of driven shaft 9 keep unanimous, the lower extreme of driven shaft 9 can insert driven cavity 8 that corresponds with it, be equipped with air guide cavity 11 in boss 3, be equipped with power cavity 12 in base 1, air guide cavity 11 and power cavity 12 are cylindrical cavity, the central line of air guide cavity 11 coincides with the central line of power cavity 12, the diameter of air guide cavity 11 is about to be less than the diameter of power cavity 12, be equipped with piston 13 in the air guide cavity 11, piston 13 separates air guide cavity 11 into first half and lower half, piston 13 can slide in air guide cavity 11, the upper end of air guide cavity 11 communicates with the other end of a plurality of air guide holes 6 respectively, the lower extreme and the upper end of power cavity 12 of air guide cavity 11 communicates, the upper end of air guide cavity 11 still communicates with the side surface of base 1 through inlet port 14, install the check valve two in the inlet port 14, the direction of conduction is by the upper end that the side surface of base 1 points to air guide cavity 11, be equipped with 15 on the side surface of power cavity 12, it can be equipped with the annular groove unit 15 to rotate in the driven cavity 8 and driven cavity unit 13 can be connected with driven cavity 8 in the centre of rotation unit in the driven cavity 8 is located in the annular groove unit and driven cavity 8 respectively, can also be rotated by the driven cavity unit and driven cavity unit is connected to driven cavity 13 in the driven cavity unit and driven cavity 13 can be connected to the driven cavity unit and can be rotated respectively.
In the embodiment 1, the driving unit comprises a motor 16, a crank 17, a connecting rod 18, a gear 19, a toothed ring 20 and two hanging brackets 21, wherein the two hanging brackets 21 are respectively positioned at two sides of the opening at the lower end of the air guide cavity 11, the two hanging brackets 21 are provided with first bearings, the crank 17 is of a 'nearly' shape formed by bending round rods, one end of the crank 17 penetrates through the bearing on one hanging bracket 21 and is connected with the rotating shaft of the motor 16, the other end of the crank 17 penetrates through the bearing on the other hanging bracket 21 and stretches into the annular groove 15, the bending part in the middle of the crank 17 faces the opening at the lower end of the air guide cavity 11, the lower end of the connecting rod 18 is provided with a sleeve 22, the sleeve 22 is sleeved on the bending part in the middle of the crank 17, the upper end of the connecting rod 18 stretches into the air guide cavity 11 and is movably connected with the lower surface of the piston 13, and the crank 17 and the gear 19 can synchronously rotate under the driving of the motor 16, the crank 17 can drag the piston 13 to implement lifting action through the connecting rod 18 when rotating, the piston 13 can extract air in the air inlet hole 14 and push the air into the flotation tank 2 through the air guide hole 6 and the charging connector 7 in the lifting process, the gear 19 is arranged at the other end of the crank 17, the toothed ring 20 is movably arranged in the annular groove 15, the circle center of the toothed ring 20 is positioned on the central line of the power cavity 12, the toothed ring 20 can rotate around the central line of the power cavity 12, the lower surface of the toothed ring 20 is provided with a sliding groove which is in a circular ring shape, the bottom surface of the annular groove is provided with a circular ring-shaped sliding rail, the circle center of the sliding rail is positioned on the central line of the power cavity 12, the shape and the size of the sliding groove are matched with the shape and the size of the sliding rail, the sliding rail is embedded into the sliding groove, the toothed ring can rotate along the sliding rail, the inner circle of the toothed ring 20 is provided with inner ring teeth 23, the edge of the gear 19 is close to the inner ring teeth 23 and meshed with the inner ring teeth 23, the outer circle of the toothed ring 20 is provided with outer ring teeth 24, and the outer ring teeth 24 are close to the driven cavities 8.
It should be noted that, the driven cavity 8 is a cylindrical cavity, the center line of the driven cavity 8 is parallel to the center line of the power cavity 12, the side surface of the driven cavity 8 is communicated with the side surface of the annular groove 15 through a rectangular opening, the rectangular opening and the toothed ring 20 are located in the same horizontal plane, the edge of the driven unit protrudes into the annular groove 15 through the rectangular opening, and the edge of the driven unit is meshed with the outer ring teeth 24.
In embodiment 1, the driven unit includes fixed axle 25 and rolling disc 26, fixed axle 25 and rolling disc 26 all are located driven chamber 8, the lower terminal surface and the bottom surface of driven chamber 8 of fixed axle 25 are connected, be equipped with bearing two on the lower surface of rolling disc 26, the top at fixed axle 25 is installed through bearing two to rolling disc 26, rolling disc 26 can rotate on the top of fixed axle 25, the edge of rolling disc 26 is through rectangular opening protruding ring channel 15, the edge of rolling disc 26 is equipped with the teeth of a cogwheel, the edge of rolling disc 26 passes through the meshing of teeth of a cogwheel with outer ring 24, the upper surface mounting connecting pipe 27 of rolling disc 26, connecting pipe 27 is located driven chamber 8, connecting pipe 27 is the tubular structure that the lower extreme is sealed and upper end open-ended, the central line of connecting pipe 27, the central line of rolling disc 26 and the central line of fixed axle 25 all are located same vertical straight line, the sealing surface and the upper surface connection of rolling disc 26 of connecting pipe 27, the position phase-match of connecting pipe 27 and driven shaft 9 and the size phase-match of driven shaft 9 lower extreme, the lower extreme of rolling disc 9 can insert the inner chamber of prismatic 27, the bottom surface of connecting pipe 27 is equipped with the square prism 27 and the square prism-shaped inner chamber, the bottom surface of connecting pipe 27 is equipped with 28 and the square prism-shaped slot 28 and the driven shaft 25 and the slot-shaped slot of the mating groove of the driven axle 9, the shape of the annular groove is formed when the annular groove 25 is close to the annular, the annular groove is followed with the annular groove, the annular groove is formed with the annular groove of the connecting pipe 28, the bottom surface of the connecting pipe and the annular groove, the connecting pipe is adjacent to the square slot and the annular slot and the slot, the annular slot is inserted, the annular slot and the connecting groove.
In embodiment 1, the air inlet hole 14 and the air guide hole 6 are both located above the piston 13, the length of the connecting rod 18 is matched with the length of the air guide cavity 11, and the piston 13 is guaranteed not to block the air inlet hole 14 and the air guide hole 6 in the rising process, when the piston 13 slides upwards, air above the piston 13 is extruded and forms a high-pressure area, the first check valve is conducted under the action of high pressure, the second check valve is closed under the action of high pressure, compressed air enters the corresponding flotation tank 2 through the plurality of air guide holes 6 respectively and promotes the flotation reagent to foam, when the piston 13 slides downwards, the upper part of the piston 13 forms a negative pressure area, the first check valve is closed under the action of negative pressure, and the second check valve is opened under the action of negative pressure, and external air enters the air guide cavity 11 above the piston 13 through the air inlet hole 14.
It should be noted that, the flotation tank 2 is provided with a blocking cylinder 29, the blocking cylinder 29 is arranged around the periphery of the impeller 10, the upper edge of the blocking cylinder 29 is lower than the upper edge of the flotation tank 2, a gap for the ore pulp to pass through is reserved between the blocking cylinder 29 and the inner wall of the flotation tank 2, the lower edge of the blocking cylinder 29 is connected with the bottom surface of the inner cavity of the flotation tank 2 through a backflow grid 30, the lower edge of the blocking cylinder 29 is higher than the upper end of the charging connector 7, the port at the upper end of the charging connector 7 faces the backflow grid 30, and the bubbles sprayed out of the charging connector 7 can enter the blocking cylinder 29 through the backflow grid 30.
It should be noted that the lower edge of the blocking cylinder 29 is higher than the impeller 10, and the impeller 10 can push the pulp and bubbles in the blocking cylinder 29 to the upper side of the blocking cylinder 29 in the rotating process and create negative pressure in the area surrounded by the reflux grating 30, so that the pulp between the reflux grating 30 and the inner wall of the flotation tank 2 is refluxed into the inner cavity of the blocking cylinder 29 through the reflux grating 30 under the driving of the negative pressure.
The electronic devices adopted by the technical scheme are all existing products, and the technical scheme of the application has no special requirements and changes on the structure of the electronic devices;
in the implementation process of the technical scheme, the person skilled in the art needs to connect all the electric components in the scheme with the power supply matched with the electric components through wires, and proper controllers are selected according to actual conditions so as to meet control requirements. The specific connection and control sequence should refer to the working principle of the technical scheme and the sequence of the working among the electric parts, and the detailed connection means are known in the art. The technical scheme mainly introduces the working principle and the process, and no description is given to the electrical control.
In the implementation process of the embodiment 1, a worker firstly installs a corresponding number of flotation tanks 2 on a base 1 according to the requirement of yield, after the flotation tanks 2 are installed, bolts can be used for reinforcing the flotation tanks 2 and the base 1, mineral powder to be floated is put into the flotation tanks 2 to form ore pulp, then a floatation agent is put into the flotation tanks 2 and a motor 16 is started, the motor 16 drives a crank 17 to rotate, and the crank 17 drives a piston 13 to implement lifting action through a connecting rod 18 while a driving gear 19 rotates; at this time, the toothed ring 20 rotates with the driven shaft 9 and the impeller 10 through the rotating disc 26, the impeller 10 agitates ore pulp in the flotation tank 2 and drives the ore pulp in the blocking cylinder 29 to flow upwards, meanwhile, the charging nozzle 7 charges air to the flotation tank 2 and enables the ore pulp in the flotation tank 2 to generate a large number of bubbles, the bubbles generated by the ore pulp carry out a flotation process on mineral powder, the floated concentrate flows into the guide cylinder 4 along with the foam through the guide cylinder, and the concentrate in the guide cylinder 4 is pumped into concentrate treatment equipment by a peristaltic pump for treatment. The ore pulp which is not subjected to froth flotation falls back to the reflux grating 30 through the gap between the inner wall of the flotation tank 2 and the outer surface of the baffle cylinder 29, and then flows into the baffle cylinder 29 through the reflux grating 30 under the drive of the impeller 10, and the foaming and rising processes are repeated. After no concentrate is present in the froth, the rotation of the motor 16 is stopped and the tailings deposited in the flotation tank 2 are pumped by means of a peristaltic pump to the next flotation device or tailings disposal plant for disposal.
Example 2: setting the base 1 into a polygonal plate-shaped structure, adjusting the size of the base 1, forming the boss 3 to be similar to the base 1 in shape, and then installing a plurality of flotation cells 2 on the base 1 according to the requirement of yield, wherein the number of the flotation cells 2 can be more than three; the shape of the base 1 can be as shown in fig. 8. Otherwise, the same as in example 1 was used.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The utility model provides a mineral flotation separation equipment, includes base (1) and a plurality of flotation tank (2), fixed surface installs boss (3) on base (1), the upper surface of boss (3) is equipped with guide cylinder (4), a plurality of flotation tank (2) are encircled guide cylinder (4) are arranged, the junction between the internal surface of flotation tank (2) with flotation tank (2) lower surface is equipped with right angle opening (5), the edge of boss (3) upper surface is equipped with a plurality of air guide holes (6), a plurality of air guide holes (6) with a plurality of flotation tank (2) are the one-to-one relation, its characterized in that, the upper surface of opening (5) is equipped with charging connector (7), the lower extreme of charging connector (7) can insert with it air guide hole (6), be equipped with one-way valve in charging connector (7), the upper surface of base (1) is equipped with a plurality of driven chamber (8), a plurality of driven chamber (8) with flotation tank (2) upper surface of driven shaft (2) is equipped with driven shaft (9) one-to-one relation, driven shaft (9) can insert with driven shaft (9), the utility model discloses a power lifting device, including base (1), driven shaft, piston (13), air cavity (11) are equipped with on the lower terminal surface of driven shaft, be equipped with air cavity (11) in boss (3), be equipped with power cavity (12) in base (1), be equipped with piston (13) in air cavity (11), piston (13) are separated air cavity (11) into first half and second half, air cavity (11) upper end respectively with a plurality of air vent (6) intercommunication, air cavity (11) lower extreme with power cavity (12) upper end intercommunication, air cavity (11) upper end still through inlet port (14) with base (1) side surface intercommunication, install check valve two in inlet port (14), the direction of conduction of check valve two is by base (1) side surface is directional air cavity (11), be equipped with annular groove (15) on power cavity (12) side surface, annular groove (15) respectively with a plurality of driven cavity (8) intercommunication, be equipped with driven shaft (9) can the driven shaft and driven shaft (9) and driven shaft (9) are in the drive unit and the drive lifting device can be connected in the driven shaft (13) the drive unit and the drive unit is in the drive unit is gone up and down in the piston (13) is connected respectively, the driving unit can also drive a plurality of driven units to rotate;
the driving unit comprises a motor (16), a crank (17), a connecting rod (18), a gear (19), a toothed ring (20) and two hanging brackets (21), wherein the two hanging brackets (21) are respectively positioned at two sides of the opening at the lower end of the air guide cavity (11), a first bearing is arranged at the lower end of each hanging bracket (21), the crank (17) is of a 'nearly' shaped structure formed by bending round rods, one end of the crank (17) penetrates through the bearing on one hanging bracket (21) and is connected with the rotating shaft of the motor (16), the other end of the crank (17) penetrates through the bearing on the other hanging bracket (21) and stretches into the annular groove (15), the bent part in the middle of the crank (17) faces to the opening at the lower end of the air guide cavity (11), a sleeve (22) is arranged at the lower end of the connecting rod (18), the upper end of the connecting rod (18) stretches into the air guide cavity (11) and is connected with the bearing on the lower end of the other hanging bracket (21) in a movable mode, the piston (19) can be driven by the piston (17) and the lower end of the gear (17) in a movable mode, the crank (17) can drag the piston (13) to implement lifting action through the connecting rod (18) when rotating, the toothed ring (20) is movably arranged in the annular groove (15), the toothed ring (20) can rotate around the central line of the power cavity (12), an inner ring tooth (23) is arranged on the inner circle of the toothed ring (20), the edge of the gear (19) is close to the inner ring tooth (23) and meshed with the inner ring tooth (23), an outer ring tooth (24) is arranged on the outer circle of the toothed ring (20), and the outer ring tooth (24) is close to a plurality of driven cavities (8);
the side surface of the driven cavity (8) is communicated with the side surface of the annular groove (15) through a rectangular opening, the edge of the driven unit protrudes into the annular groove (15) through the rectangular opening, and the edge of the driven unit is meshed with the outer ring teeth (24); the driven unit comprises a fixed shaft (25) and a rotating disc (26), the lower end face of the fixed shaft (25) is connected with the bottom face of the driven cavity (8), a bearing II is arranged on the lower surface of the rotating disc (26), the rotating disc (26) is arranged at the top end of the fixed shaft (25) through the bearing II, the rotating disc (26) can rotate at the top end of the fixed shaft (25), the edge of the rotating disc (26) protrudes into the annular groove (15) through the rectangular opening, gear teeth are arranged on the edge of the rotating disc (26), the edge of the rotating disc (26) is meshed with the outer annular gear (24) through the gear teeth, a connecting pipe (27) is arranged on the upper surface of the rotating disc (26), the lower end of the connecting pipe (27) is of a tubular structure with the lower end closed and the upper end open, a slot (28) is arranged on the bottom face of the inner cavity of the connecting pipe (27), the shape and size of the slot (28) are matched with those of the driven shaft (9) when the driven shaft (28) is inserted into the slot (28) in a close fit mode, the rotating disc (26) and the toothed ring (20) are positioned in the same horizontal plane, and the lower end of the fixed shaft (25) and the bottom surface of the driven cavity (8) are reinforced by reinforcing ribs.
2. A mineral flotation separation apparatus according to claim 1, characterized in that the position of the air inlet (14) in communication with the air guide chamber and the position of the air guide hole (6) in communication with the air guide chamber are both located above the piston (13), the length value of the connecting rod (18) being matched with the length value of the air guide chamber (11) and ensuring that the piston (13) does not block the air inlet (14) and the air guide hole (6) during the ascent.
3. A mineral flotation separation device according to claim 2, characterized in that a baffle cylinder (29) is arranged in the flotation tank (2), the baffle cylinder (29) is arranged around the periphery of the impeller (10), the upper edge of the baffle cylinder (29) is lower than the upper edge of the flotation tank (2), a gap for ore pulp to pass through is reserved between the baffle cylinder (29) and the inner wall of the flotation tank (2), the lower edge of the baffle cylinder (29) is connected with the bottom surface of the inner cavity of the flotation tank (2) through a backflow grating (30), and the lower edge of the baffle cylinder (29) is higher than the upper end of the air charging nozzle (7).
4. A mineral flotation separation apparatus according to claim 3, characterized in that the upper end of the charging nozzle (7) is provided with a port facing the return grid (30), and that the gas bubbles ejected by the charging nozzle (7) can enter the baffle cylinder (29) through the return grid (30).
5. A mineral flotation separation apparatus according to claim 4, characterized in that the lower edge of the baffle cylinder (29) is located higher than the impeller (10), the impeller (10) being able to push pulp and air bubbles in the baffle cylinder (29) upwards the baffle cylinder (29) during rotation.
6. A mineral flotation separation apparatus according to claim 1, wherein a removable interception net is mounted in the port of the inlet aperture (14) communicating with the side surface of the base (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410038185.9A CN117548237B (en) | 2024-01-11 | 2024-01-11 | Mineral flotation separation equipment |
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| CN202410038185.9A CN117548237B (en) | 2024-01-11 | 2024-01-11 | Mineral flotation separation equipment |
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