CN220091715U - Permanent magnet synchronous motor direct-drive circular flotation machine - Google Patents
Permanent magnet synchronous motor direct-drive circular flotation machine Download PDFInfo
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- CN220091715U CN220091715U CN202321685184.0U CN202321685184U CN220091715U CN 220091715 U CN220091715 U CN 220091715U CN 202321685184 U CN202321685184 U CN 202321685184U CN 220091715 U CN220091715 U CN 220091715U
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- synchronous motor
- magnet synchronous
- air distributor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 238000005188 flotation Methods 0.000 title claims abstract description 19
- 239000006260 foam Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a permanent magnet synchronous motor direct-drive circular flotation machine which comprises a bridge, a circular cylindrical tank body, an ore inlet and an ore outlet, wherein the middle part of the bridge in the tank body is connected with a cone bucket; a foam discharge port is arranged at the corresponding position of the overflow weir at the upper part of the tank body; the bridge is connected with a permanent magnet synchronous motor, a rotating shaft of the permanent magnet synchronous motor is a hollow shaft, the upper part of the rotating shaft is connected with a rotary joint, and the lower part of the rotating shaft is connected with a lower shaft component; the lower shaft part comprises a lower end shaft, an impeller and an air distributor; the lower end shaft penetrates through the cone hopper, the upper end is connected with the rotating shaft, and the lower end is connected with the impeller; the rotating shaft and the lower end shaft are hollow shafts and are communicated with the inner cavity of the air distributor; the bottom in the groove body is provided with a stator bracket, and the upper part of the stator bracket is connected with a stator. The utility model has the advantages of simple appearance, convenient installation, simple maintenance, high transmission efficiency, energy consumption saving and high flotation efficiency.
Description
Technical Field
The utility model relates to the technical field of mineral flotation separation equipment, in particular to a permanent magnet synchronous motor direct-drive circular flotation machine.
Background
Flotation machines are one of the most important sorting devices in the field of mineral processing, and are widely used in various metal and non-metal mines. With the proposal of national carbon peak and carbon neutralization targets, the high-efficiency energy-saving equipment has a necessary trend of future social development. The traditional flotation machine uses asynchronous motor to transmit torque to impeller through belt pulley, V-belt, big belt pulley, and the structure is complicated, and transmission efficiency is low, and easy damage spare is more, and maintenance cost is higher, and asynchronous motor adopts the electricity excitation, and negative carrier moves time efficiency unstable, and the energy consumption is high, and is efficient. And the air distributor is often blocked in the use process, and needs to be manually dredged, so that the overhaul workload is large.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a permanent magnet synchronous motor direct-drive circular flotation machine.
The technical scheme provided by the utility model is as follows: a permanent magnet synchronous motor direct-drive circular flotation machine comprises a bridge, wherein two ends of the bridge are fixed on a tank body, and two sides of the lower end of the tank body are respectively provided with an ore inlet and an ore outlet; an overflow weir is arranged at the upper part in the tank body, and a foam outlet is arranged at the corresponding position of the overflow weir at the upper part of the tank body; the bridge is connected with a permanent magnet synchronous motor, the upper part of a rotating shaft of the permanent magnet synchronous motor is connected with a rotary joint, and the lower part of the rotating shaft of the permanent magnet synchronous motor is connected with a lower shaft component; the lower shaft part comprises a lower end shaft, an impeller and an air distributor; the lower end shaft penetrates through the cone hopper, the upper end is connected with the rotating shaft, and the lower end is connected with the impeller; the rotating shaft and the lower end shaft are hollow shafts and are communicated with the inner cavity of the air distributor; the bottom in the groove body is provided with a stator bracket, and the upper part of the stator bracket is connected with a stator.
Further, the upper part of the air distributor is of a cylindrical structure, a plurality of small vent holes which are uniformly distributed are formed in the upper part of the air distributor, the lower part of the air distributor is of an inverted cone-shaped structure, and a large vent hole is formed in the lower end of the air distributor, wherein the diameter of the large vent hole is larger than that of the small vent hole; the upper end of the upper cylinder structure of the air distributor is provided with a flange which is used for fixing the air distributor in the impeller cavity.
Further, the upper part of the rotating shaft is connected with the rotating joint through left-handed conical internal threads.
The beneficial effects of the utility model are as follows: the utility model has the advantages of simple appearance, convenient installation, simple maintenance, high transmission efficiency, energy consumption saving and high flotation efficiency. It has the following components:
the first, the utility model adopts the permanent magnet synchronous motor to directly drive the impeller to rotate, and has simple structure, attractive appearance, convenient installation and simple maintenance.
Secondly, the utility model cancels the transmission mode of the big belt pulley and the small belt pulley of the traditional flotation machine, improves the transmission efficiency by 4 percent, saves energy, reduces consumption and has less maintenance.
Thirdly, the tank body adopts a circular cylindrical tank body, compared with a U-shaped tank body, the flotation dead angle is avoided, air and ore pulp are mixed more fully, air bubbles are discharged from the circumferential direction, and the flotation efficiency is higher.
Fourth, the air distributor is provided with the vent holes with different sizes, when large particle materials enter the air distributor through the small vent holes on the side surface of the air distributor, the large particle materials can be discharged from the large vent holes on the lower part under the action of gravity and compressed air, and the air distributor is effectively prevented from being blocked.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the permanent magnet motor of the present utility model;
FIG. 3 is a schematic view of the structure of the lower shaft member of the present utility model;
fig. 4 is a schematic view of the air distributor of the present utility model.
In the figure, 1, a rotary joint, 2, a permanent magnet synchronous motor, 3, a bridge, 4, a cone hopper, 5, a groove body, 6, a lower shaft component, 7, a stator, 8, a stator bracket, 9, a mineral inlet, 10, a mineral outlet, 11, a foam discharge outlet, 12, an overflow weir, 13 left-hand conical internal threads, 14, a lower end shaft, 15, an impeller, 16, an air distributor, 17, a small vent hole, 18, a large vent hole, 19, a flange, 20 and a rotating shaft.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1-4, a permanent magnet synchronous motor direct-drive circular flotation machine comprises a bridge 3, wherein two ends of the bridge 3 are fixed on a tank body 5, the tank body 5 is of a circular cylindrical structure, and the middle part of the bridge 3 in the tank body 5 is connected with a cone bucket 4. An overflow weir 12 is arranged at the upper part in the tank body 5, and a foam discharge outlet 11 is arranged at the corresponding position of the overflow weir 12 at the upper part of the tank body 5. The upper end of the middle part of the bridge 3 is fixedly provided with a permanent magnet synchronous motor 2, a rotating shaft 20 of the permanent magnet synchronous motor 2 is a hollow shaft, a left-hand conical internal thread 13 is arranged on the upper part of the rotating shaft 20 and is connected with a rotary joint 1, and the lower part of the rotating shaft 20 is connected with a lower shaft part 6. As shown in fig. 3, the lower shaft member 6 includes a lower end shaft 14, an impeller 15, and an air distributor 16; the lower end shaft 14 passes through the cone 4 and is a hollow shaft, the upper end of the lower end shaft 14 is connected with the rotating shaft 20, and the lower end is connected with the impeller 15. As shown in fig. 4, the upper part of the air distributor 16 is a cylindrical structure, a plurality of small vent holes 17 which are uniformly distributed are arranged on the air distributor, the lower part of the air distributor 16 is an inverted cone structure, a large vent hole 18 is arranged at the lower end of the air distributor, and the diameter of the large vent hole 18 is larger than that of the small vent holes 17. The upper cylindrical structure of the air distributor 16 is provided at its upper end with a flange 19 for securing the air distributor 16 within the cavity of the impeller 15. The inner cavity of the air distributor 16 is communicated with the hollow cavity of the rotating shaft 20 of the permanent magnet synchronous motor 2 and the hollow cavity of the lower end shaft 14. A stator bracket 8 is arranged at the bottom in the groove body 5, and the upper part of the stator bracket 8 is connected with a stator 7 by using a bolt. The two sides of the lower end of the tank body 5 are respectively provided with an ore inlet 9 and an ore outlet 10.
The specific working process is as follows:
ore pulp enters the tank body 5 through the ore inlet 9, the impeller 15 rotates at a high speed under the drive of the permanent magnet synchronous motor 2, the ore pulp is sucked in from the lower part of the impeller 15 and thrown out to the periphery, and the ore pulp becomes radial movement under the action of the stator 7 to generate circulation in the tank body 5. Meanwhile, compressed air is dispersed into small bubbles through the rotary joint 1, the rotary shaft 19 of the permanent magnet synchronous motor 2, the lower end shaft 14, the large vent hole 18 and the small vent hole 17 of the air distributor 16, and the small bubbles are dispersed into finer bubbles through high-speed rotation of the impeller 15 to enter the ore pulp for circulation. Mineral particles, fine bubbles and a flotation reagent collide and adhere in the ore pulp circulation formed by stirring and mixing of the impeller 15 to form mineralized bubbles, the mineralized bubbles rise to the upper plane of the ore pulp, move to the periphery under the action of the cone hopper 4 and enter the overflow weir 12, and are discharged from the foam discharge port 11. Mineral particles that do not adhere to form mineralized bubbles are discharged from the bottom discharge port 10 of the tank.
It should be understood that parts of the present specification not specifically described are prior art. The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (3)
1. A permanent magnet synchronous motor direct-drive circular flotation machine comprises a bridge, wherein two ends of the bridge are fixed on a tank body, and two sides of the lower end of the tank body are respectively provided with an ore inlet and an ore outlet; an overflow weir is arranged at the upper part in the tank body, and a foam outlet is arranged at the corresponding position of the overflow weir at the upper part of the tank body; the bridge is connected with a permanent magnet synchronous motor, the upper part of a rotating shaft of the permanent magnet synchronous motor is connected with a rotary joint, and the lower part of the rotating shaft of the permanent magnet synchronous motor is connected with a lower shaft component; the lower shaft part comprises a lower end shaft, an impeller and an air distributor; the lower end shaft penetrates through the cone hopper, the upper end is connected with the rotating shaft, and the lower end is connected with the impeller; the rotating shaft and the lower end shaft are hollow shafts and are communicated with the inner cavity of the air distributor; the bottom in the groove body is provided with a stator bracket, and the upper part of the stator bracket is connected with a stator.
2. The permanent magnet synchronous motor direct-drive circular flotation machine according to claim 1, wherein the upper part of the air distributor is of a cylindrical structure, a plurality of small vent holes which are uniformly distributed are formed in the air distributor, the lower part of the air distributor is of an inverted cone structure, a large vent hole is formed in the lower end of the air distributor, and the diameter of the large vent hole is larger than that of the small vent hole; the upper end of the upper cylinder structure of the air distributor is provided with a flange which is used for fixing the air distributor in the impeller cavity.
3. The permanent magnet synchronous motor direct-driven circular flotation machine according to claim 1, wherein the upper part of the rotating shaft is connected with the rotary joint through left-handed conical internal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321685184.0U CN220091715U (en) | 2023-06-30 | 2023-06-30 | Permanent magnet synchronous motor direct-drive circular flotation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321685184.0U CN220091715U (en) | 2023-06-30 | 2023-06-30 | Permanent magnet synchronous motor direct-drive circular flotation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220091715U true CN220091715U (en) | 2023-11-28 |
Family
ID=88843213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321685184.0U Active CN220091715U (en) | 2023-06-30 | 2023-06-30 | Permanent magnet synchronous motor direct-drive circular flotation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220091715U (en) |
-
2023
- 2023-06-30 CN CN202321685184.0U patent/CN220091715U/en active Active
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