Flotation machine

Abstract

The flotation machine comprises a flotation bin, an adjusting assembly, bubble generating assemblies, a scraper assembly and a driving part, the flotation bin is provided with flotation tanks arranged at intervals in the length direction, the adjusting assembly is arranged on the flotation bin, and at least one bubble generating assembly is arranged in each flotation tank. The scraper blade assemblies are arranged at the notch of the flotation tank and at the bottom of the adjusting assembly, the scraper blade assemblies are arranged on the two sides of each bubble generation assembly in the width direction of the flotation bin, each scraper blade assembly comprises a scraper blade extending into the foam layer, and the driving part is arranged on the adjusting assembly and is in driving connection with the scraper blade assemblies. The driving piece provides driving force for the scraping plates on the two sides to move in the opposite directions in the width direction of the flotation bin. According to the flotation machine, the scraping plate assembly arranged at the groove opening of the flotation groove is adopted to achieve continuous pushing of the foam layer, the foam scraping efficiency is improved, and then the problem that in the prior art, a foam scraping structure of a flotation machine is low in operation efficiency can be solved.

Description

Technical Field

[0001] This utility model relates to the technical field of flotation machines, and more specifically, to a flotation machine. Background Technology

[0002] A flotation machine is a piece of equipment used for mineral processing, primarily in the mining industry. For example, flake graphite ore has a complex composition, containing not only graphite but also a large amount of gangue minerals such as quartz, feldspar, and mica. In flake graphite ore, the graphite content may be relatively low. Through effective separation by a flotation machine, the graphite resources in the ore can be recovered to the greatest extent possible.

[0003] Currently, flotation machines can achieve separation by utilizing the difference in surface wettability between graphite and gangue minerals. During the flotation process, collectors and other reagents are added to the pulp. The collectors selectively adsorb onto the surface of graphite particles, enhancing their hydrophobicity, while the gangue mineral surfaces remain hydrophilic. Then, bubbles generated by the flotation machine carry the collector-coated graphite particles to the pulp surface, forming a froth layer, while the gangue minerals remain in the pulp, thus achieving separation.

[0004] To remove the mineral-rich froth layer from the surface of the pulp and separate the minerals from the pulp, the flotation machine is equipped with a froth scraping structure. When this structure is in operation, it prevents the froth layer from becoming too thick and hindering the rise of subsequent bubbles. If the froth layer is too thick, it increases the resistance to bubble rise, making it difficult for newly generated bubbles to reach the pulp surface, thus interfering with the normal operation of the flotation machine.

[0005] The common flotation machine froth scraping structure in existing technology usually includes scrapers, supports, motors, accelerators, chains, belts and other transmission devices. The supports are set along the length of the flotation machine, and multiple scrapers are set on the supports. When the motor is working, the supports can be controlled to drive multiple scrapers to move in a circular motion, thereby pushing the froth layer located at the edge of the flotation machine away from the flotation machine under the action of the scrapers.

[0006] However, in existing flotation machines, the froth scraping structure is located at the edge of the flotation cell. During operation, it primarily moves the froth layer located at the edge of the flotation machine. Then, the remaining froth layers slowly move to the edge, where the scraping structure continuously removes them. This results in a lengthy removal process for each froth layer, hindering efficient froth removal. Furthermore, the scraper's circular motion and the inconvenient adjustment of the support position mean that when the scraper is at its lowest point, it is highly likely to come into contact with the pulp surface, pushing the liquid level and affecting froth removal.

[0007] As can be seen from the above, the existing flotation machine skimming structure suffers from low operating efficiency. Utility Model Content

[0008] The main objective of this invention is to provide a flotation machine that solves the problem of low operating efficiency in the existing flotation machine's froth scraping structure.

[0009] To achieve the above objectives, according to one aspect of the present invention, a flotation machine is provided. The flotation machine includes a flotation chamber, an adjustment component, a bubble generating component, a scraper component, and a drive component. The flotation chamber has flotation cells spaced apart along its length. The adjustment component is disposed on the flotation chamber. At least one bubble generating component is disposed inside each flotation cell. The scraper component is disposed at the opening of the flotation cell and at the bottom of the adjustment component. Scraper components are disposed on both sides of each bubble generating component along the width direction of the flotation chamber. The scraper component includes a scraper extending into the foam layer. The drive component is disposed on the adjustment component and is drivenly connected to the scraper component. The drive component provides driving force for the scrapers on both sides to move in opposite directions along the width direction of the flotation chamber.

[0010] Furthermore, the scraper assembly includes a mounting frame and a support rod. There are two mounting frames, which are spaced apart along the length of the flotation cell. The mounting frames are located at the bottom of the adjustment assembly. The two ends of the support rod are slidably mounted on the two mounting frames respectively. The scraper is fixed on the support rod and is located on the side of the support rod facing the opening of the flotation cell. The drive unit drives the scraper to move through the support rod.

[0011] Furthermore, the support rod includes a first rod body and a second rod body that are alternately arranged along the length of the flotation chamber. One of the two end faces of the adjacent first rod body and second rod body facing each other has a slot, and the other has an insert rod. The insert rod is inserted into the slot through a bearing and rotates. Multiple scrapers are provided, and the multiple scrapers are arranged sequentially along the length of the flotation chamber. Scrapers are provided on the first rod body and / or the second rod body.

[0012] Furthermore, the mounting bracket includes an annular tube and a support. The two end faces of the support rod have grooves, the annular tube passes through the grooves, the support rod is slidably mounted on the annular tube through the grooves, the support is mounted at the bottom of the adjusting assembly, and the annular tube is fixedly mounted on the side of the support facing the scraper.

[0013] Furthermore, the scraper assembly also includes an annular belt and a wheel. The annular belt is arranged in a one-to-one correspondence with the annular tube. The annular belt is arranged on the side of the annular tube away from the support along the length direction of the flotation chamber. The two ends of the support rod are respectively fixed on the annular belt. Along the length direction of the flotation chamber, the two ends of the annular belt are sleeved on the wheel. The wheel has a central shaft extending toward the support. The central shaft is connected to the support through a bearing. The driving component is driven to one of the wheels.

[0014] Furthermore, multiple support rods are provided, and multiple protruding plates are equally spaced on the annular belt. Each protruding plate corresponds to one of the support rods, and the protruding plates are fixedly connected to the support rods.

[0015] Furthermore, the support has a top positioning plate, which is connected to the adjustment assembly; the support has locking posts spaced apart along the height direction of the flotation chamber, and the annular tube includes two parallel horizontal tubes spaced apart along the height direction of the flotation chamber, with oppositely arranged locking grooves on the two horizontal tubes, the locking grooves and locking posts corresponding to each other and engaging; the support also has side plates, and the central shaft is connected to the side plates through bearings.

[0016] Furthermore, the flotation machine also includes a transmission structure. A transmission structure is provided between two adjacent scraper assemblies located on the same side of the flotation cell along the length direction of the flotation chamber. The transmission structure includes a first gear, a second gear, a first sprocket, a second sprocket, and a chain. The first gear is provided on the central shaft of one of the two adjacent wheels on the two scraper assemblies. The first gear and the second gear mesh. The second gear is coaxially arranged with the first sprocket. The second sprocket is provided on the central shaft of the other wheel among the two adjacent wheels. The first sprocket and the second sprocket are connected by a chain.

[0017] Furthermore, along the length of the flotation cell, adjustment components are respectively provided on both sides of the flotation cell. The adjustment components include a horizontal plate, a screw, a sliding buckle, a connecting plate, and two inclined support plates. They are arranged along the width of the flotation cell. The horizontal plate has a cavity, and the two ends of the top surface of the horizontal plate have elongated holes communicating with the cavity. The mounting brackets of the two scraper assemblies located on the same side of the flotation cell are connected to the bottom surface of the horizontal plate. The driving component is fixedly connected to the horizontal plate. The screw is set inside the cavity, and the two ends of the screw form a first threaded section and a second threaded section with opposite directions of rotation. The first threaded section and the second threaded section are respectively fitted with threaded sliding buckles. The top of the sliding buckle protrudes from the corresponding elongated hole. The two inclined support plates correspond one-to-one with the two sliding buckles. The two inclined support plates are symmetrically arranged about the horizontal plate. One end of the inclined support plate is hinged to the top of the sliding buckle, and the other end of the inclined support plate is hinged to the connecting plate. The connecting plate is fixedly connected to the crossbeam at the top of the flotation cell.

[0018] Furthermore, the bubble generating assembly includes a main pipe, a first base plate, a second base plate, and a power shaft. The main pipe has an inner cavity and is provided with an air inlet pipe and a slurry inlet pipe communicating with the inner cavity. The first base plate is located at the bottom of the main pipe, and the second base plate is located below the first base plate. The power shaft is rotatably disposed in the inner cavity, and the bottom end of the power shaft is connected to the second base plate. An outer impeller and an inner impeller are respectively disposed on the end faces of the first base plate and the second base plate facing each other, and the inner impeller is rotatably disposed inside the outer impeller.

[0019] According to the technical solution of this utility model, the flotation machine includes a flotation chamber, an adjustment component, a bubble generating component, a scraper component, and a drive component. The flotation chamber has flotation cells spaced apart along its length. The adjustment component is disposed on the flotation chamber. At least one bubble generating component is disposed inside each flotation cell. The scraper component is disposed at the opening of the flotation cell and at the bottom of the adjustment component. Scraper components are disposed on both sides of each bubble generating component along the width direction of the flotation chamber. The scraper component includes a scraper extending into the foam layer. The drive component is disposed on the adjustment component and is drivenly connected to the scraper component. The drive component provides driving force for the scrapers on both sides to move in opposite directions along the width direction of the flotation chamber.

[0020] As can be seen from the above, the flotation machine of this application adopts a scraper assembly set at the opening of the flotation cell, specifically scrapers set on both sides of the bubble generating assembly. By moving the scrapers on both sides in opposite directions, the scrapers push the foam layer and push out the foam layer inside the flotation chamber. During the operation of the scrapers, the scrapers of this application can continuously push the foam layer, which is conducive to efficiently pushing the foam layer and improving the foam scraping efficiency.

[0021] This application uses a method in which scrapers on both sides of the bubble generating component move synchronously and in opposite directions to push the foam layer. Compared with the structure of rotating foam scraping used in the prior art, this application not only has a highly efficient foam scraping effect, but also the scraper moves linearly when scraping foam, avoiding the problem of the scraper coming into contact with the slurry, and further improving the sorting efficiency of the separator. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0023] Figure 1 This is a schematic diagram of the flotation machine provided by this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the flotation chamber and bubble generating assembly provided by this utility model;

[0025] Figure 3 This is a first structural schematic diagram of the bubble generating component provided by this utility model;

[0026] Figure 4 This is a schematic diagram of the second structure of the bubble generating component provided by this utility model;

[0027] Figure 5 This is a schematic diagram of the installation structure of the two scraper assemblies and the adjustment assembly provided by this utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the adjustment component provided by this utility model;

[0029] Figure 7 This is a schematic diagram of the installation structure of the scraper assembly, drive component and transmission structure provided by this utility model;

[0030] Figure 8 This is a schematic diagram of the installation structure of the scraper assembly and transmission structure provided by this utility model;

[0031] Figure 9 This is a schematic diagram of the installation structure of the annular belt, annular tube, and bracket provided by this utility model;

[0032] Figure 10 This is a schematic diagram of the structure of the annular tube provided by this utility model;

[0033] Figure 11 This is a schematic diagram of the structure of the bracket provided by this utility model;

[0034] Figure 12 This is a schematic diagram of the structure of the support rod and scraper provided by this utility model;

[0035] Figure 13 This is a schematic diagram of the support rod provided by this utility model.

[0036] The above figures include the following reference numerals:

[0037] 10. Flotation chamber; 101. Flotation cell; 110. Partition plate; 120. Second plate section; 130. First plate section; 20. Bubble generating assembly; 210. Main pipe; 220. Air inlet pipe; 230. First bottom plate; 231. Outer impeller; 240. Drive motor; 250. Slurry inlet pipe; 260. Second bottom plate; 270. Drive shaft; 30. Scraper assembly; 310. Scraper; 311. Top plate; 320. Support rod; 3201. Slide groove; 3202. Through hole; 3210. First rod body; 3211. Slot; 3220. Second rod body; 3 221. Insert rod; 3230. End rod; 330. Mounting bracket; 331. Ring tube; 3311. Horizontal tube; 3312. Arc-shaped connecting tube; 3313. Slot; 332. Bracket; 3321. Locking post; 3322. Side plate; 3323. Positioning plate; 340. Ring belt; 341. Protruding plate; 40. Driving component; 50. Adjusting assembly; 510. Horizontal plate; 511. Cavity; 520. Screw; 530. Sliding buckle; 540. Diagonal brace plate; 550. Connecting plate; 610. First gear; 620. First sprocket; 630. Second sprocket. Detailed Implementation

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0040] In this utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0041] To address the problem of low operating efficiency in existing flotation machine skimming structures, this application provides a flotation machine.

[0042] Among them, the flotation machine is a flake graphite flotation machine, which is used to recover graphite resources from ore.

[0043] like Figures 1 to 13 As shown, the flotation machine includes a flotation chamber 10, a bubble generating assembly 20, a scraper assembly 30, and a drive unit 40.

[0044] The outer shell of the flotation chamber 10 is formed by four plate segments connected end to end. The four plate segments include two first plate segments 130 that are spaced apart and parallel along the width direction of the flotation chamber 10, and two second plate segments 120 that are spaced apart and parallel along the length direction of the flotation chamber 10. The extension length of the first plate segment 130 is less than the extension length of the second plate segment 120, and the top surface of the first plate segment 130 is lower than the top surface of the second plate segment 120. Thus, a notch is formed in the top area of ​​the two first plate segments 130 to form a channel for the removal of the foam layer, so that the foam layer can be removed from the top position of the first plate segments 130 on both sides of the flotation chamber 10.

[0045] The length direction of flotation chamber 10 is Figure 1 As shown in the X direction, the width direction of the flotation cell 10 is... Figure 1 As shown in the Y direction, the height direction of flotation cell 10 is... Figure 1 The Z direction is shown.

[0046] In this embodiment, a partition 110 is provided inside the flotation chamber 10. The partition 110 divides the internal space of the flotation chamber 10 into flotation cells 101 arranged at intervals along the length direction. The partition 110 is parallel to the second plate segment 120 and has the same height. There can be one partition 110 to form two flotation cells 101, or there can be multiple partitions 110. Multiple partitions 110 are arranged at equal intervals along the length direction of the flotation chamber 10 to form multiple flotation cells 101. The specific number of partitions 110 can be adapted as needed.

[0047] The flotation chamber 10 has flotation cells 101 spaced apart along its length. Each flotation cell 101 has at least one bubble generating assembly 20 inside. A scraper assembly 30 is disposed at the opening of the flotation cell 101. Scraper assemblies 30 are disposed on both sides of each bubble generating assembly 20 along the width direction of the flotation chamber 10. The scraper assembly 30 includes a scraper 310 extending into the foam layer. When scraping the foam layer, the scraper 310 moves linearly along the width direction of the flotation chamber 10, thereby pushing the foam layer and pushing it out from the top of the two first plate segments 130.

[0048] In this embodiment, the drive component 40 is disposed above the flotation cell 101. The drive component 40 is a motor and is connected to the scraper assembly 30. The drive component 40 drives the scraper assembly 30 to rotate. Under the drive of the drive component 40, the scrapers 310 on both sides move in opposite directions along the width direction of the flotation cell 10 to push the foam layer.

[0049] Specifically, the flotation machine of this application uses a scraper assembly 30 located at the opening of the flotation cell 101, specifically scrapers 310 located on both sides of the bubble generating assembly 20. By moving the scrapers 310 in opposite directions, the scrapers 310 push the foam layer and push out the foam layer inside the flotation chamber 10. During the operation of the scrapers 310, the scrapers 310 of this application can continuously push the foam layer, which is conducive to efficiently pushing the foam layer and improving the foam scraping efficiency.

[0050] This application uses the synchronous and opposite movement of scrapers 310 on both sides of the bubble generating component 20 to push the foam layer. Compared with the rotating foam scraping structure used in the prior art, this application not only has a highly efficient foam scraping effect, but also the scraper 310 moves linearly when scraping foam, avoiding the problem of the scraper 310 coming into contact with the slurry, and further improving the sorting efficiency of the separator.

[0051] like Figure 5 , Figures 7 to 13As shown, the scraper assembly 30 includes a mounting frame 330 and a support rod 320. There are two mounting frames 330, which are spaced apart along the length of the flotation cell 10. The two ends of the support rod 320 are slidably mounted on the two mounting frames 330 respectively. The scraper 310 is fixed on the support rod 320 and is located on the side of the support rod 320 facing the opening of the flotation cell 101. The drive member 40 drives the scraper 310 to move through the support rod 320.

[0052] Among them, such as Figure 12 As shown, the top of the scraper 310 has a top plate 311, which is fixedly installed on the support rod 320 by fasteners such as bolts to ensure that the scraper 310 outputs a vertical state under its own weight and that its bottom extends into the foam layer. Therefore, the foam layer can be pushed to move during the movement of the scraper 310, thereby pushing the foam layer out of the flotation tank 101.

[0053] To ensure that the scraper 310 remains in contact with the foam layer on the bottom plate side of the support rod 320 under the action of gravity and performs the foam scraping action, the support rod 320 includes a first rod body 3210 and a second rod body 3220 alternately arranged along the length of the flotation chamber 10. One of the two end faces of the adjacent first rod body 3210 and second rod body 3220 facing each other has a slot 3211 and the other has an insert rod 3221. The insert rod 3221 is inserted into the slot 3211 through a bearing and rotates in cooperation with it.

[0054] Specifically, the connection between the first rod 3210 and the second rod 3220 adopts a bearing structure. Specifically, the bearing is sleeved on the insert rod 3221 and set inside the slot 3211 to ensure that the first rod 3210 and the second rod 3220 can rotate relative to each other. Thus, when the scraper 310 is installed below the support rod 320, the scraper 310 can be kept in a vertical state under the action of its gravity. At the same time, the state of the scraper 310 is not affected when the support rod 320 moves along the mounting bracket 330.

[0055] Furthermore, this application provides multiple scraper blades 310, which are arranged sequentially along the length of the flotation chamber 10. The multiple scraper blades 310 are in direct contact to ensure that there are no gaps between adjacent scraper blades 310, thereby improving the froth removal efficiency and the separation efficiency of the flotation machine. The scraper blades 310 can be mounted on the first rod 3210; or on the second rod 3220; or some scraper blades 310 can be mounted on the first rod 3210 while others are mounted on the second rod 3220; or a portion of the same scraper blade 310 can be fixedly connected to the first rod 3210 while another portion is fixedly connected to the second rod 3220.

[0056] like Figures 7 to 11 As shown, the mounting bracket 330 includes an annular tube 331 and a support 332. The two end faces of the support rod 320 have grooves 3201. The annular tube 331 passes through the grooves 3201. The support rod 320 is slidably mounted on the annular tube 331 through the grooves 3201. The annular tube 331 is fixedly mounted on the side of the support 332 facing the scraper 310. The support 332 is used to fix the annular tube 331.

[0057] The annular tube 331 includes two horizontal tubes 3311 extending along the width of the flotation chamber 10. The two horizontal tubes 3311 are spaced apart along the height of the flotation chamber 10. The annular tube 331 also includes two arc-shaped connecting tubes 3312. The arc-shaped connecting tubes 3312 and the horizontal tubes 3311 are connected end to end to form an annular structure. When the scraper 310 pushes the foam layer to move, the support rod 320 is slidably set on the bottom horizontal bar and moves along the horizontal bar.

[0058] The arc-shaped connecting pipe 3312 and the horizontal pipe 3311 are fixedly connected by bolts and other fasteners to facilitate disassembly and assembly. Specifically, the arc-shaped connecting pipe 3312 is removed to allow the horizontal pipe 3311 to pass through the slide groove 3201 and allow the support rod 320 to slide on the horizontal pipe 3311.

[0059] Specifically, the support rod 320 of this application has end rods 3230 at both ends with a pipe diameter larger than that of the first rod body 3210 and the second rod body 3220. The two end rods 3230 are separated from each other by a groove 3201. The structure of the end rods 3230 is conducive to providing a larger area of ​​the groove 3201, so that the horizontal tube 3311 can pass through the groove 3201.

[0060] In this embodiment, the opening of the cross-section of the annular tube 331 is circular, and both the transverse and arc-shaped connecting tubes 3312 are circular tubes. The sliding groove 3201 of the support rod 320 is provided on the two end faces of the support rod 320. The inner wall of the sliding groove 3201 covers the outer circumferential surface of the annular tube 331, and the central angle formed by the inner wall of the annular groove is greater than 180°, so as to ensure that the support rod 320 moves stably along the annular tube 331 and avoid the phenomenon of the support rod 320 falling off.

[0061] The scraper assembly 30 of this application also includes an annular belt 340 and a wheel. The annular belt 340 is arranged in a one-to-one correspondence with the annular tube 331. The annular belt 340 is arranged on the side of the annular tube 331 away from the support 332 along the length direction of the flotation chamber 10. The two ends of the support rod 320 are respectively fixedly arranged on the annular belt 340. Along the length direction of the flotation chamber 10, the two ends of the annular belt 340 are sleeved on the wheel. The wheel has a central shaft extending toward the support 332. The central shaft is connected to the support 332 through a bearing. The drive member 40 is drivenly connected to one of the wheels.

[0062] Specifically, the drive unit 40 drives the annular belt 340 to rotate through the wheel body. The annular belt 340 is fixedly connected to the support rod 320. The drive unit 40 drives the annular belt 340 to drive the support rod 320 to slide along the annular tube 331.

[0063] In this embodiment, multiple support rods 320 are provided, and multiple protruding plates 341 are equally spaced on the annular belt 340. Each protruding plate 341 corresponds to one support rod 320, and the protruding plates 341 are fixedly connected to the support rod 320. Each support rod 320 has a through hole 3202, into which the protruding plates 341 extend. The protruding plates 341 and support rod 320 are fixedly connected by bolts or other fasteners to ensure the connection strength between the annular belt 340 and the support rod 320.

[0064] The central axis of the wheel body in this application is mounted on the bracket 332 via a bearing, thereby achieving the stability of the wheel body mounting.

[0065] like Figure 11 As shown, the support 332 has locking posts 3321 spaced apart along the height direction of the flotation chamber 10, and the annular tube 331 includes two parallel horizontal tubes 3311 spaced apart along the height direction of the flotation chamber 10. The two horizontal tubes 3311 have oppositely arranged locking grooves 3313, and the locking grooves 3313 are engaged with the locking posts 3321 in a one-to-one correspondence. The support 332 also has a side plate 3322, and the central shaft is connected to the side plate 3322 through a bearing.

[0066] The inner wall of the slot 3313 forms a central angle greater than 180°. The locking post 3321 extends in the same direction as the horizontal tube 3311. The locking post 3321 moves from the end opening of the slot 3313 to the inside of the slot 3313. The inner wall of the slot 3313 covers the outer circumference of the locking post 3321 to fix the locking post 3321. Alternatively, the locking post 3321 can be inserted into the slot 3313 and then fixed by bolts or other fasteners to further strengthen the installation strength of the bracket 332 and the annular tube 331. After the locking post 3321 and the slot 3313 are inserted, the annular tube 331 is fixed on the bracket 332. The slot 3313 is located on the rear side of the annular tube 331, that is, on the wall facing away from the support rod 320, to ensure that there is no interference between the locking post 3321 and the support rod 320.

[0067] In this embodiment, multiple supports 332 are provided, and the multiple supports 332 are spaced apart along the width direction of the flotation chamber 10. The multiple supports 332 support the annular tube 331, ensuring the stability of the annular tube 331 and thus improving the stability of the movement of the support rod 320.

[0068] like Figure 7 and Figure 8As shown, the flotation machine also includes a transmission structure. The drive unit 40 drives the annular belt 340 to rotate through the transmission structure. In this application, a transmission structure is provided between two adjacent scraper assemblies 30 on the same side of the flotation cell 101 along the length direction of the flotation chamber 10.

[0069] The scraper assemblies 30 arranged on both sides of the bubble generating assembly 20 along the width direction each have annular belts 340 arranged on the same side of the flotation tank 101 to form two adjacent annular belts 340. The two adjacent annular belts 340 are connected by a transmission structure. One of the two adjacent annular belts 340 is connected to a driving member 40. The driving member 40 drives the annular belt 340 to rotate, and the annular belt 340 drives the other annular belt 340 to rotate through the transmission structure.

[0070] Specifically, the transmission structure includes a first gear 610, a second gear, a first sprocket 620, a second sprocket 630, and a chain. The first gear 610 is disposed on the central shaft of one of the two adjacent wheels on the two scraper assemblies 30. The first gear 610 meshes with the second gear. The second gear is coaxially disposed with the first sprocket 620. The second sprocket 630 is disposed on the central shaft of the other of the two adjacent wheels. The first sprocket 620 and the second sprocket 630 are connected by a chain.

[0071] The drive unit 40 has a first pulley and a second pulley on its pulley, which is driven to rotate. The drive unit 40 is connected to the first pulley via a conveyor belt to drive the first pulley to rotate. The first pulley drives the annular belt 340 and the second pulley to rotate. A first gear 610 is provided on the central shaft of the second pulley. The first gear 610 rotates synchronously with the second pulley and meshes with the second gear. The first gear 610 and the second gear rotate in opposite directions. The second gear rotates in the same direction as a first sprocket 620, which is coaxially arranged. The second gear and the first sprocket 620 are mounted on the same rotating shaft and rotate with the shaft. The rotating shaft is connected to the second pulley. The central axis of the wheel is connected by a connecting frame to support the rotating shaft via a support shaft. To avoid affecting the rotation direction of the rotating shaft, the rotating shaft and the connecting frame are connected by a bearing. The first sprocket 620 drives the second sprocket 630 to rotate via a chain. The second sprocket 630 is set on the central axis of the wheel body of the adjacent annular belt 340, thereby driving the wheel body of the adjacent annular belt 340 to rotate. This enables one driving member 40 to drive two annular belts 340 to rotate in opposite directions. The annular belts 340 drive the support rod 320 to move in opposite directions, thereby causing the scrapers 310 of the two adjacent scraper assemblies 30 to move in opposite directions.

[0072] like Figure 5 and Figure 6As shown, the flotation machine includes an adjustment component 50, which is disposed on the flotation chamber 10. The adjustment component 50 is used to adjust the height of the scraper assembly 30 and the drive component 40 to accommodate foam layers of different depths, thereby improving the applicability of the structure and enabling it to be applied in different flotation machine scenarios.

[0073] The scraper assembly 30 is located at the bottom of the adjustment assembly 50. Specifically, the bracket 332 has a top positioning plate 3323, which is connected to the adjustment assembly 50. The drive component 40 is located on the adjustment assembly 50 to ensure that the drive component 40 moves synchronously with the scraper assembly 30.

[0074] Specifically, along the length of the flotation chamber 10, two adjacent scraper assemblies 30 on the same side of the flotation cell 101 are mounted on the same adjustment assembly 50 so that the two scraper assemblies 30 can be controlled to move synchronously through one adjustment assembly 50.

[0075] The adjusting assembly 50 includes a horizontal plate 510, a screw 520, a sliding buckle 530, a connecting plate 550, and two inclined support plates 540, arranged along the width direction of the flotation cell 10. The horizontal plate 510 has a cavity 511, and both ends of the top surface of the horizontal plate 510 have elongated holes communicating with the cavity 511. The mounting brackets 330 of the two scraper assemblies 30 located on the same side of the flotation cell 101 are connected to the bottom surface of the horizontal plate 510. The driving component 40 is fixedly connected to the horizontal plate 510. The screw 520 is disposed inside the cavity 511. The two ends of 20 form a first threaded section and a second threaded section with opposite directions of rotation. The first threaded section and the second threaded section are respectively fitted with threaded sliding buckles 530. The top of the sliding buckle 530 extends out from the corresponding elongated hole. Two inclined support plates 540 correspond one-to-one with the two sliding buckles 530. The two inclined support plates 540 are symmetrically arranged about the horizontal plate 510. One end of the inclined support plate 540 is hinged to the top of the sliding buckle 530, and the other end of the inclined support plate 540 is hinged to the connecting plate 550. The connecting plate 550 is fixedly connected to the crossbeam at the top of the flotation chamber 10.

[0076] In this embodiment, the screw 520 has different rotating threaded sections, forming a bidirectional screw 520. By controlling the rotation of the screw 520, the tilt angle of the inclined support rod is adjusted, and the two inclined support plates 540 move closer or further apart, thereby driving the horizontal plate 510 to move along the height direction of the flotation chamber 10. The horizontal plate 510 can adjust the height of the scraper assembly 30, improving the scraping efficiency of the foam layer, while reducing the possibility of the scraper 310 contacting the slurry and avoiding the impact on the flotation process.

[0077] In this embodiment, the screw 520 can be rotated by a tool or by a motor.

[0078] like Figures 1 to 4As shown, the bubble generating device in this application is used to generate bubbles, which carry graphite particles to float to the surface of the slurry to form a foam layer.

[0079] Specifically, the bubble generating assembly 20 includes a main pipe 210, a first base plate 230, a second base plate 260, and a power shaft 270. The main pipe 210 has an inner cavity and is provided with an air inlet pipe 220 and a slurry inlet pipe 250 communicating with the inner cavity. The first base plate 230 is located at the bottom of the main pipe 210, and the second base plate 260 is located below the first base plate 230. The power shaft 270 is rotatably disposed in the inner cavity, and the bottom end of the power shaft 270 is connected to the second base plate 260. An outer impeller 231 and an inner impeller are respectively disposed on the end faces of the first base plate 230 and the second base plate 260 facing each other. The inner impeller is rotatably disposed inside the outer impeller 231.

[0080] The air inlet of the air inlet pipe 220 is located on the outside of the slurry. Both the air inlet pipe 220 and the slurry inlet pipe 250 are connected to the inner cavity to supply air and slurry to the inner cavity. The top of the flotation chamber 10 is equipped with a drive motor 240, which drives the power shaft 270 to rotate. The power shaft 270 drives the second bottom plate 260 to rotate at high speed. The inner impeller on the second bottom plate 260 rotates at high speed inside the outer impeller 231 to form a stirring zone. The slurry generates strong turbulence and vortex in the stirring zone. During the stirring process, the impeller continuously draws air from the surface of the slurry into the slurry. At the same time, through the shearing and squeezing action of the impeller, the drawn-in air is broken into tiny bubbles and evenly dispersed in the slurry to achieve full mixing of the slurry and bubbles.

[0081] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0082] The flotation machine of this application uses a scraper assembly 30 located at the opening of the flotation cell 101. Specifically, it consists of scrapers 310 located on both sides of the bubble generating assembly 20. The scrapers 310 on both sides move in opposite directions to push the foam layer and push the foam layer inside the flotation chamber 10 out. During the operation of the scrapers 310, the scrapers 310 of this application can continuously push the foam layer, which is conducive to efficiently pushing the foam layer and improving the foam removal efficiency.

[0083] This application uses the synchronous and reverse movement of scrapers 310 on both sides of the bubble generating component 20 to push the foam layer. Compared with the rotating foam scraping structure used in the prior art, this application not only has a highly efficient foam scraping effect, but also the scraper 310 moves linearly when scraping foam, avoiding the problem of the scraper 310 coming into contact with the slurry, and further improving the sorting efficiency of the separator.

[0084] The flotation machine of this application includes an adjustment component 50, which is disposed on the flotation chamber 10. The adjustment component 50 is used to adjust the height of the scraper assembly 30 and the drive component 40 to accommodate foam layers of different depths, thereby improving the applicability of the structure and enabling it to be applied in different flotation machine scenarios.

[0085] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0086] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0087] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0088] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A flotation machine, characterized in that The application relates to a flotation machine. The flotation machine comprises a flotation bin (10) with flotation grooves (101) arranged at intervals along the length direction; an adjusting assembly (50) arranged on the flotation bin (10); a bubble generating assembly (20) arranged in each flotation groove (101); a scraper assembly (30) arranged at the groove opening of the flotation groove (101) and at the bottom of the adjusting assembly (50), the scraper assembly (30) being arranged at both sides of each bubble generating assembly (20) along the width direction of the flotation bin (10), and the scraper assembly (30) comprising a scraper (310) extending into the foam layer; and a driving member (40) arranged on the adjusting assembly (50), the driving member (40) being in driving connection with the scraper assembly (30) and providing driving force for moving the scrapers (310) at both sides in opposite directions along the width direction of the flotation bin (10). The scraper assembly (30) comprises two mounting racks (330) arranged at intervals along the length direction of the flotation bin (10), the mounting racks (330) being arranged at the bottom of the adjusting assembly (50); a supporting rod (320) with two ends slidingly arranged on the two mounting racks (330), the scraper (310) being fixed on the supporting rod (320) and located on the side of the supporting rod (320) facing the groove opening of the flotation groove (101), and the driving member (40) driving the scraper (310) to move through the supporting rod (320).

3. The flotation machine according to claim 2, wherein the supporting rod (320) comprises a first rod body (3210) and a second rod body (3220) arranged alternately along the length direction of the flotation bin (10), one of the two end faces of the first rod body (3210) and the second rod body (3220) facing each other has a slot (3211), and the other has a plug rod (3221), the plug rod (3221) is inserted into the slot (3211) through a bearing and is in rotating cooperation with the slot (3211); and the scraper (310) is arranged in plurality, the plurality of scrapers (310) are arranged in sequence along the length direction of the flotation bin (10), and the first rod body (3210) and / or the second rod body (3220) is provided with the scraper (310). The mounting rack (330) comprises an annular pipe (331) with a sliding groove (3201) on the two end faces of the supporting rod (320), the annular pipe (331) penetrating through the sliding groove (3201), and the supporting rod (320) being slidingly arranged on the annular pipe (331) through the sliding groove (3201); and a support (332) arranged at the bottom of the adjusting assembly (50), the annular pipe (331) being fixedly arranged on the side of the support (332) facing the scraper (310). The scraper assembly (30) further comprises 2. The flotation machine of claim 1, characterized in that ​ ​ ​ ​ ​ ​ 4. The flotation machine of claim 2, wherein, ​ ​ ​ 5. A flotation machine according to claim 4, characterised in that ​ A plurality of the support rods (320) are arranged on the annular belt (340) at equal intervals, and the annular belt (340) is provided with a plurality of protruding plates (341) arranged one-to-one with the support rods (320) and fixedly connected with the support rods (320).

7. The flotation machine according to claim 5, characterized in that, 6. A flotation machine according to claim 5, characterised in that The support (332) has a positioning plate (3323) at the top, and the positioning plate (3323) is connected with the adjusting assembly (50). The support (332) has clamping columns (3321) arranged at intervals along the height direction of the flotation tank (10), and the annular pipe (331) includes two parallel transverse pipes (3311) arranged at intervals along the height direction of the flotation tank (10), and the two transverse pipes (3311) have oppositely arranged clamping grooves (3313) thereon, which are connected with the clamping columns (3321) one-to-one. The support (332) further has a side plate (3322), and the central shaft is connected with the side plate (3322) through a bearing. The flotation machine further comprises a transmission structure arranged between two adjacent scraper assemblies (30) on the same side of the flotation tank (101) along the length direction of the flotation tank (101), and the transmission structure comprises: A first gear (610) and a second gear, the first gear (610) is arranged on the central shaft of one of the two wheel bodies of the two adjacent scraper assemblies (30) that are close to each other, and the first gear (610) is engaged with the second gear; 8. The flotation machine of claim 5, characterized in that A first sprocket (620) and a second sprocket (630), the second gear is coaxially arranged with the first sprocket (620), and the second sprocket (630) is arranged on the central shaft of the other wheel body of the two wheel bodies that are close to each other; A chain, the first sprocket (620) and the second sprocket (630) are connected through the chain. Along the length direction of the flotation tank (101), the adjusting assembly (50) is arranged on both sides of the flotation tank (101), and the adjusting assembly (50) comprises: ​ 9. The flotation machine according to any one of claims 1 to 8, characterized in that, ​ A horizontal plate (510) is arranged along the width direction of the flotation tank (10), the horizontal plate (510) has a cavity (511), both ends of the top surface of the horizontal plate (510) have long holes communicating with the cavity (511), the mounting frame (330) of the two scraper assemblies (30) located on the same side of the flotation tank (101) are connected with the bottom surface of the horizontal plate (510), and the driving member (40) is fixedly connected with the horizontal plate (510); A screw rod (520) is arranged in the cavity (511), the two ends of the screw rod (520) form first and second thread segments with opposite rotation directions; A sliding buckle (530) is threadedly connected on the first and second thread segments, and the top end of the sliding buckle (530) extends out of the corresponding long hole; Two inclined support plates (540) correspond to the two sliding buckles (530), and the two inclined support plates (540) are symmetrically arranged about the horizontal plate (510); A connecting rod (550) is hingedly connected to one end of the inclined support plate (540) and the top end of the sliding buckle (530), and the other end of the inclined support plate (540) is hingedly connected to the connecting rod (550), and the connecting rod (550) is fixedly connected with the cross beam at the top of the flotation tank (10).

10. The flotation machine according to any one of claims 1 to 8, characterized in that, The bubble generating assembly (20) comprises: A main pipe (210) having an inner cavity, the main pipe (210) is provided with an air inlet pipe (220) and a slurry inlet pipe (250) communicating with the inner cavity; A first bottom plate (230) arranged at the bottom of the main pipe (210); A second bottom plate (260) arranged on the underside of the first bottom plate (230); A power shaft (270) rotatably arranged in the inner cavity, the bottom end of the power shaft (270) is connected with the second bottom plate (260), and the end faces of the first bottom plate (230) and the second bottom plate (260) facing each other are respectively provided with an outer impeller (231) and an inner impeller, and the inner impeller is rotatably arranged in the inner portion of the outer impeller (231).

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