Lime milk discharging device for beneficiation flotation

Abstract

The utility model belongs to the technical field of mineral separation, and discloses a mineral separation flotation lime milk discharging device which comprises a storage tank and a foam collecting box, a second motor is attached to the top end of the right side of the foam collecting box, the output end of the second motor is rotationally connected with a rotating rod, the other end of the rotating rod is sleeved with a fixing base, and the outer side of the rotating rod is sleeved with a connecting rod. A scraping plate is attached to the rear side of the scraping plate, a round hole groove is formed in the front end of the connecting rod, a bolt is in threaded connection with the interior of the round hole groove of the connecting rod, the outer side of the bolt penetrates through the outer side of the connecting rod and is spirally connected with the scraping plate, and the outer side of the scraping plate is rotationally arranged in the foam collecting box. The ore pulp surface cannot be separated from gangue, and mineralized foam is discharged out of the flotation tank to become a concentrate product. And gangue and other mineral particles which cannot float are discharged as tailing products from the bottom of the flotation tank along with the ore pulp.

Description

Technical Field

[0001] The utility model belongs to the technical field of mineral processing, in particular to a lime milk feeding device for mineral processing flotation. Background Art

[0002] Flotation is one of the most important mineral processing technologies and is widely used. The flotation machine is a key device for flotation. After the slurry is fully aerated and stirred in the flotation machine, the useful minerals are enriched and floated.

[0003] At the same time, the patent application number 201922225270.3 discloses a lime feeding system for a flotation process, including a storage device for placing lime, a grinding device located below the storage device and connected to the discharge port of the storage device, a screening device connected to the grinding device, a stirring device connected to the screening device, an adjusting device connected to the stirring device, and a discharging device connected to the adjusting device. The grinding device is used to grind the lime and add water to turn the lime into lime milk that is easy to transport. The screening device is used to screen the lime milk, the stirring device is used to stir the lime milk, the adjusting device is used to adjust the concentration of the lime milk, and the discharging device is used to output the lime milk.

[0004] However, during the implementation of related technologies, it was discovered that the lime feed system in the aforementioned flotation process was unable to separate the slurry surface from the gangue during the beneficiation process, allowing the mineralized froth to be discharged from the flotation cell as a concentrate product. The unfloating gangue and other mineral particles were discharged from the bottom of the flotation cell along with the slurry as tailings. Utility Model Content

[0005] To address the problems raised in the aforementioned background technology, the present invention provides a lime milk discharge device for mineral flotation. This device utilizes the differences in physical and chemical properties of mineral surfaces to separate minerals. Mineralized foam is discharged from the flotation cell as a concentrate product by mechanical scraping or overflow from the slurry surface. Mineral particles such as gangue that do not float are discharged from the bottom of the flotation cell along with the slurry as tailings.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lime milk discharging device for mineral processing flotation, comprising a storage tank and a foam collecting box, a second motor is attached to the top right side of the foam collecting box, the output end of the second motor is rotatably connected to a rotating rod, the other end of the rotating rod is sleeved with a fixed seat, a connecting rod is sleeved on the outer side of the rotating rod, a scraper is attached to the rear side of the connecting rod, a circular hole groove is provided at the front end of the connecting rod, a bolt is threadedly connected to the inside of the circular hole groove of the connecting rod, the outer side of the bolt passes through the outer side of the connecting rod and is spirally connected to the scraper, and the outer side of the scraper is rotatably arranged inside the foam collecting box.

[0007] Preferably, the bottom end of the foam collecting box is fixedly connected to the processing box, the outer side of the processing box is fixedly connected to a connecting plate, the bottom end of the connecting plate is fixedly connected to a shock-absorbing spring, and the other end of the shock-absorbing spring is fixedly connected to a base.

[0008] Preferably, a third motor is fixedly connected to the top of the base, an output end of the third motor is rotatably connected to a rotating shaft, a protrusion is sleeved on the outer side of the rotating shaft, and a push rod is tightly arranged on the outer side of the protrusion.

[0009] Preferably, the outer side of the rotating shaft is provided with a shell, the inner wall of the shell is provided with a sliding groove, the rotating shaft slides up and down inside the sliding groove of the shell, the top of the shell is provided with a sliding groove, and the outer side of the push rod slides up and down inside the sliding groove at the top of the shell.

[0010] Preferably, a feed port is fixedly connected to the top of the storage tank, an electric regulating valve is sleeved on the outside of the feed port, a first motor is fixedly connected to the inner center position of the storage tank, an output end of the first motor is rotatably connected to a stirring rod, and the outer side of the stirring rod is rotatably arranged inside the storage tank.

[0011] Preferably, a feed port is provided through the interior of the storage tank, a flow sensor is sleeved on the outer side of the feed port, and the other end of the flow sensor is provided on the top end of the foam collecting box.

[0012] Preferably, a sliding groove is provided at the top of the foam collecting box, and a sliding plate is slidably provided inside the sliding groove of the foam collecting box.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model stirs the lime milk by adding a stirring device inside the storage tank. The stirring device in the storage tank can effectively prevent the lime milk from settling. By controlling the opening of the flow sensor, after the mixing and stirring is completed, the lime milk is sucked out of the storage tank and then transported out through the discharge pipe. During the transportation process, the flow sensor monitors the flow in real time and feeds back the signal to the control system. The control system further adjusts the opening of the electric regulating valve according to the feedback signal, thereby realizing precise control of the lime milk discharge flow rate to meet the regulation requirements of the pH value and other conditions of the ore pulp in the mineral processing and flotation operation.

[0015] 2. The utility model forms a mineralized foam layer when mineralized bubbles rise from the bottom of the flotation cell to the surface of the pulp. The foam containing useful minerals gathers on the surface of the flotation cell. The mineralized foam is discharged from the flotation cell by the rotating scraper and the overflow of the pulp surface to become a concentrate product. According to the purpose of flotation and the characteristics of the minerals, flotation can be divided into positive flotation and reverse flotation. Positive flotation is to float useful minerals into the foam product and leave the gangue minerals in the pulp. Reverse flotation is to float the gangue minerals into the foam product and leave the useful minerals in the pulp, realizing flexible and changeable methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the storage tank structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the sliding plate structure of the utility model;

[0020] Figure 5 This is a structural diagram of the foam collecting box of the present utility model.

[0021] In the figure: 1. Storage tank; 2. First motor; 3. Electric regulating valve; 4. Stirring rod; 5. Feed inlet; 6. Flow sensor; 7. Foam collecting box; 8. Second motor; 9. Rotating rod; 10. Fixed seat; 11. Connecting rod; 12. Scraper; 13. Bolt; 14. Sliding plate; 15. Processing box; 16. Base; 17. Third motor; 18. Rotating shaft; 19. Housing; 20. Bump; 21. Push rod; 22. Connecting plate; 23. Shock-absorbing spring; 24. Collecting box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] like Figures 1 to 5As shown, the utility model provides a lime milk discharging device for mineral processing flotation, including a storage tank 1 and a foam collecting box 7. The right top end of the foam collecting box 7 is attached to a second motor 8. The output end of the second motor 8 is rotatably connected to a rotating rod 9. The other end of the rotating rod 9 is sleeved with a fixing seat 10. The outer side of the rotating rod 9 is sleeved with a connecting rod 11. When the connecting rod 11 rotates, it drives the scraper 12 on the rear side to rotate. A circular hole groove is provided at the front end of the connecting rod 11. The circular hole groove of the connecting rod 11 is threadedly connected with a bolt 13. The outer side of the bolt 13 passes through the outer side of the connecting rod 11 and is spirally connected to the scraper 12. By removing the bolt 13, the position of the scraper 12 and the connecting rod 11 can be adjusted. The outer side of the scraper 12 is rotatably arranged inside the foam collecting box 7, so that the foam inside the scraper 12 is pushed out to the inside of the collecting box 24 for collecting the foam.

[0024] Specifically, the bottom end of the foam collecting box 7 is fixedly connected to the processing box 15, the outer side of the processing box 15 is fixedly connected to the connecting plate 22, the bottom end of the connecting plate 22 is fixedly connected to the shock-absorbing spring 23, and the other end of the shock-absorbing spring 23 is used to buffer and reduce shock to the processing box 15.

[0025] Furthermore, a third motor 17 is fixedly connected to the top of the base 16. The output end of the third motor 17 drives the rotating shaft 18 to rotate. A protrusion 20 is sleeved on the outer side of the rotating shaft 18. The rotating protrusion 20 pushes the push rod 21 upward.

[0026] Furthermore, the outer side of the rotating shaft 18 is provided with a shell 19, and the inner wall of the shell 19 is provided with a slide groove. The rotating shaft 18 slides up and down inside the slide groove of the shell 19. The shell 19 is used to limit the rotating shaft 18. The top of the shell 19 is provided with a slide groove. The outer side of the push rod 21 slides up and down inside the slide groove at the top of the shell 19. The push rod 21 slides up and down to impact and slap the processing box 15 to prevent precipitation inside the processing box 15.

[0027] It is worth noting that a feed port 5 is fixedly connected to the top of the storage tank 1, and an electric regulating valve 3 is provided on the outside of the feed port 5. The electric regulating valve 3 is used to control the flow rate of the lime milk. A first motor 2 is fixedly connected to the inner center position of the storage tank 1, and the output end of the first motor 2 is rotatably connected to a stirring rod 4. The outer side of the stirring rod 4 is rotatably arranged inside the storage tank 1.

[0028] It is worth noting that a feed port 5 is provided throughout the interior of the storage tank 1, and a flow sensor 6 is provided on the outer side of the feed port 5. The flow sensor 6 monitors the flow in real time. The other end of the feed port 5 is provided at the top of the foam collecting box 7 to facilitate the discharge of the mixed foam from the bottom end of the feed port 5.

[0029] It is worth mentioning that a chute is provided at the top of the foam collecting box 7 , and a sliding plate 14 is slidably provided inside the chute of the foam collecting box 7 to prevent the overflow of foam.

[0030] Among them, the first motor 2, the second motor 8 and the third motor 17 are prior art and will not be described in detail. At the same time, the present invention also includes a power supply, a controller and a switch, which are not the main technical points of the present invention and will not be described in detail. The "front, back, left and right" perspectives of the present device are as follows: Figure 1 The direction shown in the figure is the reference.

[0031] Working principle:

[0032] First, the staff pours lime into the storage tank 1 and starts the first motor 2 to drive the stirring rod 4 to rotate. The stirring rod 4 drives the lime in the storage tank 1 to stir. By controlling the flow sensor 6 to open, after the mixing and stirring is completed, the lime milk is sucked out of the storage tank 1 and then transported out through the discharge pipe. During the transportation process, the flow sensor 6 monitors the flow in real time and feeds the signal back to the control system. The control system further adjusts the opening angle of the electric regulating valve 3 according to the feedback signal, thereby achieving precise control of the lime milk discharge flow rate to meet the requirements for regulating the pH value and other conditions of the ore pulp in the mineral processing flotation operation;

[0033] Then the mixed lime milk enters the interior of the processing box 15 through the feed port 5, and the third motor 17 on the outside of the base 16 at the bottom end of the processing box 15 is started. After the third motor 17 is started, it drives the rotating shaft 18 to rotate, and the rotating shaft 18 drives the protrusion 20 set on the outside to rotate, and the protrusion 20 drives the top rod 21 inside the outer shell 19 to slide up and down in the slide groove of the inner wall of the outer shell 19. During the up and down sliding of the top rod 21, the processing box 15 is knocked and slapped to prevent internal precipitation. When the inside of the processing box 15 is processed, the mineralized bubbles rise from the lower part of the flotation tank to the surface of the ore pulp to form a mineralized foam layer, and the foam containing the useful minerals gathers on the surface of the flotation tank. The scraper 12 rotated by the second motor 8 scrapes out the foam attached to the top of the foam collecting box 7, and discharges the mineralized foam to the inside of the collecting box 24 to become a concentrate product.

Claims

1. A lime milk feeding device for mineral processing and flotation, comprising a storage tank (1) and a foam collecting box (7), characterized in that: The top right side of the foam collecting box (7) is fitted with a second motor (8), the output end of the second motor (8) is rotatably connected to a rotating rod (9), the other end of the rotating rod (9) is sleeved with a fixing seat (10), the outer side of the rotating rod (9) is sleeved with a connecting rod (11), the rear side of the connecting rod (11) is fitted with a scraper (12), the front end of the connecting rod (11) is provided with a circular hole groove, the circular hole groove of the connecting rod (11) is internally threadedly connected with a bolt (13), the outer side of the bolt (13) passes through the outer side of the connecting rod (11) and is spirally connected to the scraper (12), and the outer side of the scraper (12) is rotatably arranged inside the foam collecting box (7).

2. The lime milk feeding device for mineral processing and flotation according to claim 1, characterized in that: The bottom end of the foam collecting box (7) is fixedly connected to a processing box (15), the outer side of the processing box (15) is fixedly connected to a connecting plate (22), the bottom end of the connecting plate (22) is fixedly connected to a shock-absorbing spring (23), the other end of the shock-absorbing spring (23) is fixedly connected to a base (16), and a collecting box (24) is provided at the front end of the base (16).

3. The lime milk feeding device for mineral processing and flotation according to claim 2, characterized in that: The top end of the base (16) is fixedly connected to a third motor (17), and the output end of the third motor (17) is rotatably connected to a rotating shaft (18). A protrusion (20) is sleeved on the outer side of the rotating shaft (18), and a push rod (21) is tightly arranged on the outer side of the protrusion (20).

4. The lime milk feeding device for mineral processing and flotation according to claim 3, characterized in that: The outer side of the rotating shaft (18) is provided with a housing (19), the inner wall of the housing (19) is provided with a sliding groove, the rotating shaft (18) slides up and down inside the sliding groove of the housing (19), the top of the housing (19) is provided with a sliding groove, and the outer side of the push rod (21) slides up and down inside the sliding groove at the top of the housing (19).

5. The lime milk feeding device for mineral processing and flotation according to claim 1, characterized in that: The top of the storage tank (1) is fixedly connected to a feed port (5), the outer side of the feed port (5) is sleeved with an electric regulating valve (3), the inner center position of the storage tank (1) is fixedly connected to a first motor (2), the output end of the first motor (2) is rotatably connected to a stirring rod (4), and the outer side of the stirring rod (4) is rotatably arranged inside the storage tank (1).

6. The lime milk feeding device for mineral processing and flotation according to claim 5, characterized in that: A feed port (5) is provided through the interior of the storage tank (1), a flow sensor (6) is sleeved on the outer side of the feed port (5), and the other end of the feed port (5) is provided at the top end of the foam collecting box (7).

7. The lime milk feeding device for mineral processing and flotation according to claim 2, characterized in that: A sliding groove is provided at the top of the foam collecting box (7), and a sliding plate (14) is slidably provided inside the sliding groove of the foam collecting box (7).

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