A flotation device based on waste metal recycling

Abstract

The present invention discloses a flotation device based on waste metal recycling, including a machine body. A rotating shaft is rotatably connected to the inner surface of the machine body. A connecting rod is fixedly connected to the outer surface of the rotating shaft. A centrifuge is fixedly connected to the right end of the connecting rod. The present invention relates to the technical field of flotation. By setting a piston, when the device is in use, the T-shaped rod is fixed inside the air inlet pipe. When high-pressure air enters the pipe, the air pressure pushes the sealing plug away from the air inlet hole, and the air inlet hole opens. The air flows out from the gap outside the cover plate. The clamping plate slides upward along the outer surface of the limit pin, and the limit pin prevents the movable block from separating from the air inlet pipe. The T-shaped rod fixes the entire piston. Through multiple-level opening and closing, the sealing effect of the air inlet pipe is improved. At the same time, since the top of the air inlet pipe is immersed in the solution, the air and the solution are fully contacted and mixed, solving the problem of poor mixing effect of traditional flotation devices.

Description

Technical Field

[0001] The present invention relates to the technical field of flotation, and particularly relates to a flotation device for recycling waste metals. Background Art

[0002] The term "flotation" is short for "floatation separation". Flotation is a technical method for separating useful minerals from ores based on the differences in the physicochemical properties of mineral particles. It is a method of sorting according to the floatability differences of minerals, a process of separating mineral particles by utilizing the differences in the physicochemical properties of mineral surfaces. Formerly known as "froth flotation", it is the most widely used ore dressing method.

[0003] Traditional flotation methods are mostly hydrophilic or hydrophobic flotation. Metal ore particles or metal grains are put into an aqueous solution, and flotation chemicals are added. Flotation is carried out through the sedimentation and suspension of different kinds of metals. When using this method, the fluidity of the solution is poor during flotation, and the solid and the liquid cannot be fully mixed and contacted, which is only suitable for small-scale flotation. Traditional solid-liquid flotation has great limitations, resulting in low flotation effect and efficiency. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a flotation device for recycling waste metals, which solves the problems of low flotation efficiency and poor effect of traditional flotation equipment.

[0005] To achieve the above object, the present invention is realized through the following technical solutions: A flotation device based on waste metal recycling, including a machine body. The inner surface of the machine body is rotatably connected with a rotating shaft. The outer surface of the rotating shaft is fixedly connected with a connecting rod. The right end of the connecting rod is fixedly connected with a centrifuge. Raw materials enter the interior of the machine body from the feed pipe. The rotating shaft rotates, and the fan at the bottom of the rotating shaft rotates. Under the gathering effect of the conical cover, the gas pressure and flow rate increase. The high-pressure air flow enters the interior of the machine body through the air inlet pipe. The mixed raw materials inside the machine body are mixed and contacted with air. The upper surface of the machine body is fixedly connected with an exhaust pipe. The bottom of the exhaust pipe is provided with a feed pipe. The right side of the feed pipe is provided with a slag discharge pipe. The outer surface of the rotating shaft is fixedly connected with a fan. The outside of the fan is provided with a conical cover. Under the stirring action of the adjusting rod, the mixture is further mixed, so that the metal raw materials can be fully immersed. The metal particles with good floatability selectively adhere to the bubbles and are carried upward to form a foam layer composed of gas-liquid-solid three phases. Under the action of the connecting rod, the centrifuge rotates, and the water inside the foam mixture is centrifuged at high speed. The top of the conical cover is provided with an air inlet pipe. The top of the air inlet pipe is provided with an adjusting rod. The drain pipe is arranged right below the adjusting rod. The water flows out from the drain pipe. The metal particles are discharged from the discharge pipe. The excess air is discharged from the exhaust pipe. The waste liquid and the non-flotated metal particles are discharged from the slag discharge pipe. Through the gas-liquid-solid mixing, the flotation effect is improved. The bottom of the drain pipe is provided with a discharge pipe;

[0006] The adjusting rod includes a bolt. The bottom end of the bolt is fixedly connected with a turntable. The lower surface of the turntable is fixedly connected with a telescopic rod. The bolt is stuck in the inner wall of the machine body and rotates. The turntable rotates relative to the inner surface of the machine body. Driven by the rotating shaft, the stirring blades inside the vertical rod continuously stir the mixed solution inside the machine body. The bottom end of the telescopic rod is fixedly connected with a top plate. The lower surface of the top plate is fixedly connected with a scraper. The lower surface of the scraper is fixedly connected with a sieve plate. The lower surface of the sieve plate is fixedly connected with a vertical rod. The inner surface of the vertical rod is fixedly connected with stirring blades. The outside of the stirring blades is provided with sleeves.

[0007] Preferably, the inner surface of the machine body is fixedly connected with the outer surfaces of the feed pipe and the slag discharge pipe. The inner surface of the centrifuge is rotatably connected with the outer surface of the machine body. Various flotation reagents are added to the interior of the slurry and stirred and mixed to act on the metal particles to expand the floatability difference between different metal particles. The adjusted slurry is subjected to a flotation operation, stirred and aerated. The metal particles in the slurry contact and collide with the bubbles. After stirring, the foam layer floats on the liquid surface. The lower surface of the machine body is fixedly connected with the upper surface of the conical cover. The air inlet pipes are symmetrically installed on both sides of the rotating shaft.

[0008] Preferably, the outer surface of the bolt is slidably connected to the inner surface of the body, the outer surface of the inner cavity of the body is rotatably connected to the upper surface of the turntable. When the telescopic rod extends, the lower surface of the leakage plate contacts the liquid surface. Under the extrusion of the leakage plate, the foam layer enters the top of the leakage plate through the through holes of the leakage plate. Under the combined scraping action of the scraping plate and the top plate, the foam is scraped out of the interior of the body. The sleeve rises and falls with the leakage plate to prevent fluid leakage. The inner surface of the turntable is fixedly connected to the outer surface of the rotating shaft. The inner surface of the body is slidably connected to the outer surfaces of the leakage plate and the sleeve. The upper surface of the sleeve is fixedly connected to the lower surface of the leakage plate. The vertical rods are symmetrically installed on both sides of the rotating shaft.

[0009] Preferably, a movable block is slidably connected to the inner surface of the top end of the air inlet pipe. A connecting spring is fixedly connected to the inner surface of the movable block. High-pressure air flows upward from the bottom end of the air inlet pipe. The piston is lifted under the impact of air pressure. The whole movable block slides upward along the inner surface of the air inlet pipe. The connecting spring stretches. The movable block forces the sealing ring to separate from the air inlet pipe. The piston opens. The bottom end of the connecting spring is fixedly connected to the piston. The lower surface of the movable block is fixedly connected to the sealing ring. A stop rod is arranged at the bottom of the sealing ring.

[0010] Preferably, the lower surface of the sealing ring contacts the outer surface of the top end of the air inlet pipe. When the air intake stops, the movable block resets downward under the action of gravity and the pulling force of the connecting spring. The sealing ring fits with the top end of the air inlet pipe. The piston closes. The stop rod prevents the mixed metal particles from entering the interior of the air inlet pipe. Under the dual protection of the movable block and the piston, the air inlet pipe has a good check valve sealing effect while admitting air, preventing blockage inside the pipeline and leakage of the solution. The stop rods are arranged in a ring along the lower surface of the movable block.

[0011] Preferably, the piston includes a T-shaped rod. A limit pin is fixedly connected to the top end of the T-shaped rod. A clamping plate is slidably connected to the outer surface of the limit pin. The T-shaped rod is fixed inside the air inlet pipe. When high-pressure air enters the interior of the pipeline, the air pressure pushes the sealing plug to separate from the air inlet hole. The air inlet hole opens. The air flows out from the gap outside the cover plate. The clamping plate slides upward along the outer surface of the limit pin. The outer surface of the clamping plate is fixedly connected to the cover plate. The lower surface of the cover plate is fixedly connected to the sealing plug. An air inlet hole is arranged at the bottom of the sealing plug.

[0012] Preferably, the bottom end of the connecting spring is fixedly connected to the upper surface of the clamping plate. The outer surface of the clamping plate is slidably connected to the inner surface of the movable block. The limit pin prevents the movable block from separating from the air inlet pipe. The T-shaped rod fixes the entire piston. Through multi-stage opening and closing, the sealing effect of the air inlet pipe is improved. At the same time, since the top end of the air inlet pipe is immersed in the solution, air and the solution are fully contacted and mixed. The inner surface of the cover plate is slidably connected to the outer surface of the movable block. The outer surface of the T-shaped rod is fixedly connected to the inner surface of the air inlet pipe. The air inlet hole is opened in the wall of the movable block.

[0013] Preferably, the centrifuge includes a rectangular groove. A drum is arranged outside the rectangular groove. An outer cover is fixedly connected to the outer surface of the drum. Under the push of the scraper, the foam layer is scraped and flows from the rectangular groove to the outside of the machine body and finally gathers inside the drum. The drum rotates driven by the connecting rod. Through centrifugal force, the water and metal particles inside the foam mixture are separated. The water enters the inside of the outer cover and flows downward along the inner surface of the outer cover and finally is discharged from the drain pipe. An arc-shaped groove is arranged at the bottom of the outer cover. A partition is arranged at the bottom of the arc-shaped groove. An annular cover is fixedly connected to the outer surface of the partition.

[0014] Preferably, the rectangular groove is opened in the wall of the machine body. The outer surface of the machine body is rotatably connected to the inner surface of the drum. The outer surface of the machine body is fixedly connected to the inner surface of the annular cover. The lower surface of the drum is slidably connected to the upper surface of the partition. During the rotation of the drum, the arc-shaped groove intermittently contacts the partition. When the two are separated, the solid metal particles flow out from the gap between the arc-shaped groove and the partition into the inside of the annular cover and finally are discharged from the discharge pipe. The arc-shaped groove is opened in the wall at the bottom of the drum. The outer surface of the drum is fixedly connected to the inner surface of the outer cover. The inner surface of the outer cover is fixedly connected to the outer surface of the drain pipe. The inner surface of the annular cover is fixedly connected to the outer surface of the top end of the discharge pipe.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. In the present invention, by providing a machine body, when the device is in use, raw materials enter the interior of the machine body through a feed pipe. The rotating shaft rotates, and the fan at the bottom of the rotating shaft rotates. Under the gathering effect of the conical cover, the gas pressure and flow rate increase, and the high-pressure air flow enters the interior of the machine body through an air inlet pipe. The mixed raw materials inside the machine body are mixed and contacted with air. Under the stirring action of the adjusting rod, the mixture is further mixed, enabling the metal raw materials to be fully immersed. The metal particles with good floatability selectively adhere to the bubbles and are carried upward to form a foam layer composed of gas-liquid-solid three phases. Under the action of the connecting rod, the centrifuge rotates, and the moisture inside the foam mixture is centrifuged at high speed. The water flow is discharged from the drain pipe, the metal particles are discharged from the discharge pipe, and the excess air is discharged from the exhaust pipe. The waste liquid and the non-flotated metal particles are discharged from the slag discharge pipe. Through the gas-liquid-solid mixing, the flotation effect is improved, and the problem of poor solid-liquid flotation effect in the traditional method is solved.

[0017] 2. In the present invention, by providing an adjusting rod, when the device is in use, the pin rotates while being stuck in the inner wall of the machine body, and the turntable rotates relative to the inner surface of the machine body. Driven by the rotating shaft, the stirring blades inside the vertical rod continuously stir the mixed solution inside the machine body, adding various flotation reagents into the slurry and stirring and mixing them to act on the metal particles, so as to expand the floatability difference between different metal particles. The adjusted slurry is subjected to a flotation operation, with stirring and aeration. The metal particles in the slurry contact and collide with the bubbles. After the stirring is completed, the foam layer floats on the liquid surface. The telescopic rod extends, and the lower surface of the sieve plate contacts the liquid surface. Under the extrusion of the sieve plate, the foam layer enters the top of the sieve plate through the through holes of the sieve plate. Under the combined scraping action of the scraper and the top plate, the foam is scraped out of the interior of the machine body. The sleeve rises and falls with the sieve plate to prevent fluid leakage, solving the problem that in the traditional solid-liquid flotation, the contact between particles and the solution is not comprehensive, which easily affects the flotation efficiency.

[0018] 3. In the present invention, by providing an air inlet pipe, when the device is in use, the high-pressure air flow flows upward from the bottom end of the air inlet pipe. The piston is pushed up under the impact of the air pressure, and the whole movable block slides upward along the inner surface of the air inlet pipe. The connecting spring elongates, and the movable block forces the sealing ring to separate from the air inlet pipe, and the piston opens. When the air intake stops, the movable block resets downward under the action of gravity and the pulling force of the connecting spring, and the sealing ring fits with the top end of the air inlet pipe, and the piston closes. The stop rod prevents the mixed metal particles from entering the interior of the air inlet pipe. Under the dual protection of the movable block and the piston, the air inlet pipe has a good check valve sealing effect while admitting air, preventing blockage inside the pipeline and leakage of the solution, and solving the problem that the traditional flotation device is prone to leakage and blockage.

[0019] 4. In the present invention, by providing a piston, when the device is in use, the T-shaped rod is fixed inside the intake pipe. When high-pressure air flow enters the pipe interior, the air pressure pushes the sealing plug away from the air inlet hole, the air inlet hole opens, and the air flow flows out from the gap outside the cover plate. The clamping plate slides upward along the outer surface of the limit pin, and the limit pin prevents the movable block from separating from the intake pipe. The T-shaped rod fixes the entire piston. Through multiple-stage opening and closing, the sealing effect of the intake pipe is improved. At the same time, since the top end of the intake pipe is immersed in the solution, air and the solution are fully contacted and mixed, solving the problem of poor mixing effect of traditional flotation devices.

[0020] 5. In the present invention, by providing a centrifuge, when the device is in use, under the push of the scraper, the foam layer is scraped and flows from the rectangular groove to the outside of the machine body, and finally gathers inside the drum. The drum rotates driven by the connecting rod. Through centrifugal force, the water in the foam mixture is separated from the metal particles. The water enters the interior of the outer cover and flows downward along the inner surface of the outer cover, and finally is discharged from the drain pipe. During the rotation of the drum, the arc-shaped groove intermittently contacts the partition plate. When the two are separated, the solid metal particles flow out from the gap between the arc-shaped groove and the partition plate into the interior of the annular cover, and finally are discharged from the discharge pipe, solving the problem of high water content in the raw materials after flotation by traditional flotation devices. Brief Description of the Drawings

[0021] Figure 1 is the front view of the present invention;

[0022] Figure 2 is the sectional view of the present invention;

[0023] Figure 3 is the structural schematic diagram of the adjusting rod of the present invention;

[0024] Figure 4 is the structural schematic diagram of the interior of the intake pipe of the present invention;

[0025] Figure 5 is the structural schematic diagram of the piston of the present invention;

[0026] Figure 6 is the structural schematic diagram of the centrifuge of the present invention;

[0027] In the figure: 1, body; 2, rotating shaft; 3, connecting rod; 4, centrifuge; 5, exhaust pipe; 6, feed pipe; 7, slag discharge pipe; 8, fan; 9, conical cover; 10, intake pipe; 11, adjusting rod; 12, drain pipe; 13, discharge pipe; 20, bolt; 21, turntable; 22, telescopic rod; 23, top plate; 24, scraper; 25, sieve plate; 26, vertical rod; 27, stirring blade; 28, sleeve; 30, movable block; 31, connecting spring; 32, sealing ring; 33, blocking rod; 34, piston; 40, T-shaped rod; 41, limit pin; 42, clamping plate; 43, cover plate; 44, sealing plug; 45, air inlet hole; 50, rectangular groove; 51, drum; 52, outer cover; 53, arc groove; 54, partition board; 55, annular cover. Detailed implementation mode

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and the specific implementation mode. The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustive or limited to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes. Embodiment

[0029] Please refer to Figure 1 - Figure 6 As shown in the figure, the present invention provides a technical solution: a flotation device based on waste metal recycling, including a body 1, the inner surface of the body 1 is rotatably connected with a rotating shaft 2, the outer surface of the rotating shaft 2 is fixedly connected with a connecting rod 3, the right end of the connecting rod 3 is fixedly connected with a centrifuge 4, the upper surface of the body 1 is fixedly connected with an exhaust pipe 5, the bottom of the exhaust pipe 5 is provided with a feed pipe 6, the right side of the feed pipe 6 is provided with a slag discharge pipe 7, the outer surface of the rotating shaft 2 is fixedly connected with a fan 8, the outside of the fan 8 is provided with a conical cover 9, the top of the conical cover 9 is provided with an intake pipe 10, the top of the intake pipe 10 is provided with an adjusting rod 11, the lower right of the adjusting rod 11 is provided with a drain pipe 12, and the bottom of the drain pipe 12 is provided with a discharge pipe 13; the adjusting rod 11 includes a bolt 20, the bottom end of the bolt 20 is fixedly connected with a turntable 21, the lower surface of the turntable 21 is fixedly connected with a telescopic rod 22, the bottom end of the telescopic rod 22 is fixedly connected with a top plate 23, the lower surface of the top plate 23 is fixedly connected with a scraper 24, the lower surface of the scraper 24 is fixedly connected with a sieve plate 25, the lower surface of the sieve plate 25 is fixedly connected with a vertical rod 26, the inner surface of the vertical rod 26 is fixedly connected with a stirring blade 27, and the outside of the stirring blade 27 is provided with a sleeve 28.

[0030] The inner surface of the body 1 is fixedly connected to the outer surfaces of the feed pipe 6 and the slag discharge pipe 7. The inner surface of the centrifuge 4 is rotatably connected to the outer surface of the body 1. The lower surface of the body 1 is fixedly connected to the upper surface of the conical cover 9. The intake pipes 10 are symmetrically installed on both sides of the rotating shaft 2. The outer surface of the bolt 20 is slidably connected to the inner surface of the body 1. The outer surface of the inner cavity of the body 1 is rotatably connected to the upper surface of the turntable 21. The inner surface of the turntable 21 is fixedly connected to the outer surface of the rotating shaft 2. The inner surface of the body 1 is slidably connected to the outer surfaces of the sieve plate 25 and the sleeve 28. The upper surface of the sleeve 28 is fixedly connected to the lower surface of the sieve plate 25. The vertical rods 26 are symmetrically installed on both sides of the rotating shaft 2.

[0031] A movable block 30 is slidably connected to the inner surface at the top end of the intake pipe 10. A connecting spring 31 is fixedly connected to the inner surface of the movable block 30. A piston 34 is fixedly connected to the bottom end of the connecting spring 31. A sealing ring 32 is fixedly connected to the lower surface of the movable block 30. A retaining rod 33 is arranged at the bottom of the sealing ring 32. The lower surface of the sealing ring 32 is in contact with the outer surface at the top end of the intake pipe 10. The retaining rods 33 are arranged annularly along the lower surface of the movable block 30.

[0032] During use, the raw materials enter the interior of the body 1 from the feed pipe 6. The rotating shaft 2 rotates, and the fan 8 at the bottom of the rotating shaft 2 rotates. Under the gathering action of the conical cover 9, the gas pressure and flow rate increase, and the high-pressure air flow enters the interior of the body 1 through the intake pipes 10. The mixed raw materials inside the body 1 are mixed and contacted with the air. Under the stirring action of the adjusting rod 11, the mixture is further mixed, enabling the metal raw materials to be fully immersed. The metal particles with good floatability selectively adhere to the bubbles and are carried upward to form a foam layer composed of gas-liquid-solid three phases. Under the action of the connecting rod 3, the centrifuge 4 rotates, the moisture inside the foam mixture is centrifuged at high speed, the water flow is discharged from the drain pipe 12, the metal particles are discharged from the discharge pipe 13, the excess air is discharged from the exhaust pipe 5, and the waste liquid and unflotation metal particles are discharged from the slag discharge pipe 7. Through the gas-liquid-solid mixing, the flotation effect is improved.

[0033] The bolt 20 rotates while being stuck in the inner wall of the body 1. The turntable 21 rotates relative to the inner surface of the body 1. Driven by the rotating shaft 2, the stirring blades 27 inside the vertical rods 26 continuously stir the mixed solution inside the body 1, adding various flotation reagents into the slurry and stirring and mixing them to act on the metal particles to expand the floatability difference between different metal particles. The adjusted slurry is subjected to flotation operation, stirred and aerated, and the metal particles in the slurry contact and collide with the bubbles. After stirring, the foam layer floats on the liquid surface. The telescopic rod 22 extends, and the lower surface of the sieve plate 25 contacts the liquid surface. Under the extrusion of the sieve plate 25, the foam layer enters the top of the sieve plate 25 through the through holes of the sieve plate 25. Under the combined scraping action of the scraper 24 and the top plate 23, the foam is scraped out of the interior of the body 1. The sleeve 28 rises and falls with the sieve plate 25 to prevent fluid leakage.

[0034] The high-pressure air flow flows upward from the bottom end of the air inlet pipe 10. The piston 34 is pushed up under the impact of air pressure. The whole movable block 30 slides upward along the inner surface of the air inlet pipe 10. The connecting spring 31 stretches. The movable block 30 forces the sealing ring 32 to separate from the air inlet pipe 10, and the piston 34 opens. When the air intake stops, the movable block 30 resets downward under the action of gravity and the pulling force of the connecting spring 31. The sealing ring 32 fits against the top end of the air inlet pipe 10, and the piston 34 closes. The stop rod 33 prevents the mixed metal particles from entering the inside of the air inlet pipe 10. Under the dual protection of the movable block 30 and the piston 34, the air inlet pipe 10 has a good check valve sealing effect while admitting air, preventing blockage inside the pipeline and leakage of the solution. Embodiment

[0035] Please refer to Figure 1 - Figure 6 Based on Embodiment 1, the present invention provides a technical solution: The piston 34 includes a T-shaped rod 40. The top end of the T-shaped rod 40 is fixedly connected with a limit pin 41. The outer surface of the limit pin 41 is slidably connected with a clamping plate 42. The outer surface of the clamping plate 42 is fixedly connected with a cover plate 43. The lower surface of the cover plate 43 is fixedly connected with a sealing plug 44. An air inlet hole 45 is provided at the bottom of the sealing plug 44. The bottom end of the connecting spring 31 is fixedly connected with the upper surface of the clamping plate 42. The outer surface of the clamping plate 42 is slidably connected with the inner surface of the movable block 30. The inner surface of the cover plate 43 is slidably connected with the outer surface of the movable block 30. The outer surface of the T-shaped rod 40 is fixedly connected with the inner surface of the air inlet pipe 10. The air inlet hole 45 is opened in the wall of the movable block 30.

[0036] The centrifuge 4 includes a rectangular groove 50. The outside of the rectangular groove 50 is provided with a drum 51. The outer surface of the drum 51 is fixedly connected with an outer cover 52. The bottom of the outer cover 52 is provided with an arc-shaped groove 53. The bottom of the arc-shaped groove 53 is provided with a partition plate 54. The outer surface of the partition plate 54 is fixedly connected with an annular cover 55. The rectangular groove 50 is opened in the wall of the machine body 1. The outer surface of the machine body 1 is rotatably connected with the inner surface of the drum 51. The outer surface of the machine body 1 is fixedly connected with the inner surface of the annular cover 55. The lower surface of the drum 51 is slidably connected with the upper surface of the partition plate 54. The arc-shaped groove 53 is opened in the bottom wall of the drum 51. The outer surface of the drum 51 is fixedly connected with the inner surface of the outer cover 52. The inner surface of the outer cover 52 is fixedly connected with the outer surface of the drain pipe 12. The inner surface of the annular cover 55 is fixedly connected with the outer surface of the top end of the discharge pipe 13.

[0037] During use, the T-shaped rod 40 is fixed inside the intake pipe 10. When high-pressure air flow enters the pipe interior, the air pressure pushes the sealing plug 44 away from the air inlet hole 45, opening the air inlet hole 45. The air flow flows out from the gap outside the cover plate 43. The clamping plate 42 slides upward along the outer surface of the limit pin 41. The limit pin 41 prevents the movable block 30 from separating from the intake pipe 10. The T-shaped rod 40 fixes the entire piston 34. Through multi-stage opening and closing, the sealing effect of the intake pipe 10 is improved. At the same time, since the top end of the intake pipe 10 is immersed in the solution, air and the solution are fully contacted and mixed.

[0038] Under the push of the scraping plate 24, the foam layer is scraped and flows from the rectangular groove 50 to the outside of the machine body 1, and finally gathers inside the roller 51. The roller 51 rotates driven by the connecting rod 3. Through centrifugal force, the water in the foam mixture is separated from the metal particles. The water enters the interior of the outer cover 52 and flows downward along the inner surface of the outer cover 52, and finally is discharged from the drain pipe 12. During the rotation of the roller 51, the arc-shaped groove 53 intermittently contacts the partition plate 54. When the two are separated, the solid metal particles flow out from the gap between the arc-shaped groove 53 and the partition plate 54 into the interior of the annular cover 55, and finally are discharged from the discharge pipe 13.

[0039] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A flotation device based on waste metal recycling, comprising a machine body (1), characterized in that: The inner surface of the body (1) is rotatably connected to a rotating shaft (2). A connecting rod (3) is fixedly connected to the outer surface of the rotating shaft (2). A centrifuge (4) is fixedly connected to the right end of the connecting rod (3). An exhaust pipe (5) is fixedly connected to the upper surface of the body (1). A feed pipe (6) is arranged at the bottom of the exhaust pipe (5). A slag discharge pipe (7) is arranged on the right side of the feed pipe (6). A fan (8) is fixedly connected to the outer surface of the rotating shaft (2). A conical cover (9) is arranged outside the fan (8). An air inlet pipe (10) is arranged at the top of the conical cover (9). An adjusting rod (11) is arranged at the top of the air inlet pipe (10). A drain pipe (12) is arranged at the lower right of the adjusting rod (11). A discharge pipe (13) is arranged at the bottom of the drain pipe (12); The adjusting rod (11) includes a plug pin (20). The bottom end of the plug pin (20) is fixedly connected to a turntable (21). A telescopic rod (22) is fixedly connected to the lower surface of the turntable (21). The bottom end of the telescopic rod (22) is fixedly connected to a top plate (23). A scraping plate (24) is fixedly connected to the lower surface of the top plate (23). A sieve plate (25) is fixedly connected to the lower surface of the scraping plate (24). A vertical rod (26) is fixedly connected to the lower surface of the sieve plate (25). A stirring blade (27) is fixedly connected to the inner surface of the vertical rod (26). A sleeve (28) is arranged outside the stirring blade (27); An active block (30) is slidably connected to the inner surface of the top end of the air inlet pipe (10). A connecting spring (31) is fixedly connected to the inner surface of the active block (30). A piston (34) is fixedly connected to the bottom end of the connecting spring (31). A sealing ring (32) is fixedly connected to the lower surface of the active block (30). A stop rod (33) is arranged at the bottom of the sealing ring (32); The lower surface of the sealing ring (32) is in contact with the outer surface of the top end of the air inlet pipe (10). The stop rods (33) are arranged in a circular pattern along the lower surface of the active block (30); The piston (34) includes a T-shaped rod (40). A limit pin (41) is fixedly connected to the top end of the T-shaped rod (40). A clamping plate (42) is slidably connected to the outer surface of the limit pin (41). A cover plate (43) is fixedly connected to the outer surface of the clamping plate (42). A sealing plug (44) is fixedly connected to the lower surface of the cover plate (43). An air inlet hole (45) is arranged at the bottom of the sealing plug (44); The bottom end of the connecting spring (31) is fixedly connected to the upper surface of the clamping plate (42). The outer surface of the clamping plate (42) is slidably connected to the inner surface of the active block (30). The inner surface of the cover plate (43) is slidably connected to the outer surface of the active block (30). The outer surface of the T-shaped rod (40) is fixedly connected to the inner surface of the air inlet pipe (10). The air inlet hole (45) is opened in the wall of the active block (30).

2. The flotation device based on waste metal recycling according to claim 1, wherein: The inner surface of the body (1) is fixedly connected to the outer surfaces of the feed pipe (6) and the slag discharge pipe (7). The inner surface of the centrifuge (4) is rotatably connected to the outer surface of the body (1). The lower surface of the body (1) is fixedly connected to the upper surface of the conical cover (9). The intake pipes (10) are symmetrically installed on both sides of the rotating shaft (2).

3. A flotation device based on waste metal recycling according to claim 1, characterized in that: The outer surface of the bolt (20) is slidably connected to the inner surface of the body (1). The outer surface of the inner cavity of the body (1) is rotatably connected to the upper surface of the turntable (21). The inner surface of the turntable (21) is fixedly connected to the outer surface of the rotating shaft (2). The inner surface of the body (1) is slidably connected to the outer surfaces of the sieve plate (25) and the sleeve (28). The upper surface of the sleeve (28) is fixedly connected to the lower surface of the sieve plate (25). The vertical rods (26) are symmetrically installed on both sides of the rotating shaft (2).

4. A flotation device based on waste metal recycling according to claim 1, characterized in that: The centrifuge (4) includes a rectangular groove (50). The outside of the rectangular groove (50) is provided with a drum (51). The outer surface of the drum (51) is fixedly connected to an outer cover (52). The bottom of the outer cover (52) is provided with an arc-shaped groove (53). The bottom of the arc-shaped groove (53) is provided with a partition plate (54). The outer surface of the partition plate (54) is fixedly connected to an annular cover (55).

5. The flotation device based on waste metal recycling according to claim 4, characterized in that: The rectangular groove (50) is formed in the wall of the body (1). The outer surface of the body (1) is rotatably connected to the inner surface of the drum (51). The outer surface of the body (1) is fixedly connected to the inner surface of the annular cover (55). The lower surface of the drum (51) is slidably connected to the upper surface of the partition plate (54). The arc-shaped groove (53) is formed in the bottom wall of the drum (51). The outer surface of the drum (51) is fixedly connected to the inner surface of the outer cover (52). The inner surface of the outer cover (52) is fixedly connected to the outer surface of the drain pipe (12). The inner surface of the annular cover (55) is fixedly connected to the outer surface of the top end of the discharge pipe (13).

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