Quartz sand efficient flotation device and using method thereof
By designing an efficient quartz sand flotation device, using a high-pressure air pump and a stirring device to automatically blow out the foam, combined with a scraper and a spiral conveyor cylinder, the problem of limited foam scraping capacity in the existing technology is solved, and efficient and rapid quartz sand cleaning is achieved.
Patent Information
- Application Number
- CN202511006108.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-21
- Publication Date
- 2025-10-17
AI Technical Summary
The existing quartz sand flotation device has limited ability to remove foam from the scraper during the cleaning process, and the operation is cumbersome, which reduces the flotation effect.
An efficient quartz sand flotation device was designed, which included a stirring barrel, a rectangular box, an air blowing pipe, a collecting box, and a stirring device. A high-pressure air pump was used to blow the foam out of the rectangular port. A scraper and a spiral conveyor were combined to achieve automated cleaning. The driving device and stirring device were used to improve the cleaning efficiency.
The invention realizes simple operation, large amount of sand cleaned at one time, fast cleaning speed, and improves the cleaning efficiency and effect of quartz sand.
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Figure CN120790591A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of quartz sand flotation, specifically to a quartz sand high-efficiency flotation device and a method for using the same. Background Art
[0002] Quartz sand is quartz particles made by crushing quartz stone. It is a non-metallic mineral and a silicate mineral that is hard, wear-resistant and chemically stable. Quartz sand is an important industrial mineral raw material and is widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy and other industries.
[0003] Quartz sand requires high purity. During the cleaning process, the scraper has limited ability to remove foam, which makes the operation cumbersome and reduces the flotation effect. Therefore, we propose a high-efficiency quartz sand flotation device and its use method. Summary of the Invention
[0004] In order to solve the above deficiencies in the prior art, the present invention proposes a quartz sand high-efficiency flotation device and a method for using the same.
[0005] To achieve the above objectives, the invention is implemented through the following technical solutions: A high-efficiency flotation device for quartz sand is designed, comprising a mixing barrel, a plurality of brackets are provided at the bottom of the mixing barrel, a driving device is provided at the bottom of the mixing barrel, a stirring device is provided in the mixing barrel, and the stirring device and the driving device are connected; A rectangular box is installed on the top of the mixing barrel, and a blowing pipe is horizontally installed on the top of one side of the rectangular box. A strip-shaped blowing port is opened on one side of the blowing pipe. One end of the blowing pipe is connected to a pipe joint, and the pipe joint is connected to a high-pressure blowing pump through a conduit. The high-pressure blowing pump is installed on the side of the rectangular box; A rectangular opening is opened on the top of the rectangular box away from the blowing pipe. The water surface in the mixing barrel reaches the rectangular opening, and the air flow blown out from the blowing pipe blows floating objects on the water surface to the rectangular opening and flows out from the rectangular opening.
[0006] Preferably, a collection box with a strip structure is installed below the rectangular opening, and the collection box is installed on the side of the rectangular box body; One end of the collecting box is connected with a material guiding pipe, the bottom of the material guiding pipe is installed in the collecting pool, and the collecting pool is arranged on one side of the bracket.
[0007] Preferably, strip-shaped mounting seats are installed on the rectangular box on both sides of the rectangular opening, a rotating shaft is rotatably installed between the tops of the strip-shaped mounting seats, a plurality of scrapers are radially distributed on the side of the rotating shaft, and both ends of the scrapers are connected to a connecting plate, each of the connecting plates is mounted on the connecting seat by a bolt, and the other end of the connecting seat is respectively mounted on the side of the rotating shaft; A rotating motor is installed at one end of the rotating shaft, the rotating motor is installed on the corresponding strip-shaped mounting seat, the rotating motor drives the rotation of each scraper, and the scraper passes through the rectangular opening.
[0008] Preferably, the driving device comprises a gearbox installed at the bottom of the stirring barrel, a hollow outer shaft is installed through and rotatably at the top of the gearbox, a hollow inner shaft is coaxially arranged in the outer shaft, and the two ends of the inner shaft and the outer shaft are rotatably connected; Both the inner shaft and the outer shaft extend into the gearbox, and a turbine is coaxially installed at the end of each of the inner shaft and the outer shaft, and the turbine is meshed with a worm on one side, and the two ends of the worm are rotatably connected to the side wall of the gearbox. A first gear is coaxially installed at one end of each of the two worms, the first gears are meshed with each other, a driving motor is installed outside the gearbox, the rotating shaft of the driving motor is rotatably connected to the gearbox, a second gear is connected to the rotating shaft of the driving motor and the end of one of the worms, the size of the second gear installed on the driving motor is smaller than that of the second gear installed at the end of the worm, and the two second gears are meshed. Both the inner shaft and the outer shaft extend into the stirring barrel and are connected to the stirring device, and the outer shaft is rotatably connected to the bottom of the stirring barrel.
[0009] Preferably, the stirring device comprises a disc-shaped shell coaxially installed at the top of the outer shaft, the inner shaft extends into the disc-shaped shell and is rotatably connected between the two. A plurality of strip-shaped shells are installed at equal intervals on the side of the disc-shaped shell and are arranged radially, a driving shaft is arranged in each of the strip-shaped shells, each driving shaft is rotatably installed in at least two bearing seats, and the bearing seats are respectively installed in the disc-shaped shell and the strip-shaped shell. A stirring shaft vertically downwardly rotatably connected is arranged at the end of each of the strip-shaped shells, a bevel gear is installed at the top of the stirring shaft, the two ends of the driving shaft, and the top of the inner shaft, and adjacent bevel gears are meshed with each other.
[0010] Preferably, the bottom of the stirring shaft is connected with a stirring frame, a plurality of stirring blades are obliquely installed in the stirring frame, the stirring blades have a rectangular structure, and a shovel plate is obliquely installed at the bottom of the stirring frame. The top of the disc-shaped shell and the strip-shaped shell are sealed by a sealing cover, and the edge of the sealing cover is fastened to the disc-shaped shell and the strip-shaped shell by bolts.
[0011] Preferably, the bottom of the stirring barrel is provided with at least one control valve, the bottom of the control valve is connected with a screw conveying cylinder through a flange, the screw conveying cylinder extends upwardly and obliquely, the top of the screw conveying cylinder is higher than the height of the stirring barrel, and a discharging passage at the top of the screw conveying cylinder is arranged obliquely downwardly.
[0012] Preferably, the stirring barrel is provided with an electric control box between the supports.
[0013] Preferably, the application further provides a use method of the quartz sand high-efficiency flotation device, which comprises the following steps: Step one, the quartz sand to be cleaned is conveyed into the rectangular box through the oblique belt conveyor, and the conveying time of the oblique belt conveyor can be controlled to ensure that the volume of the quartz sand in the stirring barrel is moderate; Step two, the driving device drives the stirring device to rotate, the stirring device stirs the quartz sand in the stirring barrel, and the cleaning liquid in the stirring barrel stirs and cleans the quartz sand, and the floating matter and foam generated in the cleaning process flow out of the rectangular port and are collected; Step three, the cleaned quartz sand is outputted outwardly through the screw conveying cylinder, and then the next round of quartz sand cleaning work is performed.
[0014] Compared with the prior art, in use, the stirring device stirs the quartz sand in the stirring barrel, the cleaning liquid in the stirring barrel stirs and cleans the quartz sand, the foam floating above the rectangular box is directly blown out of the rectangular port during the cleaning process, the liquid surface is kept clean, the operation is simple, the volume of the sand cleaned at one time is large, and the cleaning speed is fast. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a three-dimensional structure diagram of the application Figure 1 .
[0016] Figure 2 is a three-dimensional structure diagram of the application Figure 2 .
[0017] Figure 3 is a front view of the application.
[0018] Figure 4 is a structure diagram of the stirring barrel of the application.
[0019] Figure 5 is a structure diagram of the driving device and the stirring device of the application.
[0020] Figure 6 is an internal structure diagram of the driving device and the stirring device of the application Figure 1 .
[0021] Figure 7 Fig. 1 is a schematic diagram of the internal structure of the driving device and the stirring device Figure 2 .
[0022] Fig. 1 is a schematic diagram of the internal structure of the driving device and the stirring device DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0024] Please refer to Figures 1 to 7 The application provides a technical solution: a quartz sand high-efficiency flotation device, which comprises a stirring barrel 1, a plurality of supports 18 are arranged at the bottom of the stirring barrel 1, a driving device is arranged at the bottom of the stirring barrel 1, a stirring device is arranged in the stirring barrel 1, and the stirring device is connected with the driving device. A rectangular box body 4 is arranged at the top of the stirring barrel 1, as shown in Figure 1 One end of the blowing pipeline 6 is connected with a pipe joint 5, the pipe joint 5 is connected with a high-pressure blowing pump 21 through a pipeline, the high-pressure blowing pump 21 is arranged on the side of the rectangular box body 4, the high-pressure blowing pump 21 sends the airflow into the blowing pipeline 6, and then the airflow in the blowing pipeline 6 is blown out from the strip-shaped blowing port 41 to the liquid surface. As shown in Figure 1As shown, the top of the rectangular box 4 is provided with a rectangular opening 12 away from one side of the blowing pipe 6, the water surface in the stirring barrel 1 reaches the rectangular opening 12, and the airflow blown from the blowing pipe 6 blows the floating objects on the water surface to the rectangular opening 12 and flows out of the rectangular opening 12, that is, the foam floating above the rectangular box 4 is directly blown out of the rectangular opening 12, so that the liquid surface is kept clean.
[0025] In use, the present application supplies water into the rectangular box 4 through the water pump, avoids the water level in the rectangular box 4 from being too low, and is provided with a sewage valve at the bottom of the stirring barrel 1 for cleaning when not in use.
[0026] As shown in the drawings, Figure 1 A strip-shaped collecting box 16 is installed below the rectangular opening 12, and the collecting box 16 is installed on the side of the rectangular box 4; One end of the collecting box 16 is connected with a material guide pipe 19, the bottom of the material guide pipe 19 is installed in a collecting pool 20, and the collecting pool 20 is arranged on one side of the support 18; the sundries flowing out of the rectangular opening 12 directly fall into the collecting box 16 and then flow into the collecting pool 20 for storage.
[0027] As shown in the drawings, Figure 1 And Figure 2 A strip-shaped mounting seat 26 is installed on the rectangular box 4 on both sides of the rectangular opening 12, a rotating shaft 7 is rotatably installed between the top of the strip-shaped mounting seat 26, a plurality of scrapers 11 are radially distributed on the side of the rotating shaft 7, the two ends of the scraper 11 are connected with a connecting plate 10, each connecting plate 10 is installed on the connecting seat 8 through a bolt, and the other end of the connecting seat 8 is installed on the side of the rotating shaft 7; A rotating motor 9 is installed at one end of the rotating shaft 7, the rotating motor 9 is installed on the corresponding strip-shaped mounting seat 26, the rotating motor 9 drives the rotation of each scraper 11, the scraper 11 passes through the rectangular opening 12, if a large amount of sundries are accumulated at the rectangular opening 12, the rotating motor 9 is started to drive the rotation of the scraper 11, the rotating scraper 11 drives the sundries to flow into the collecting box 16, accelerates the discharge, and prevents blockage.
[0028] As shown in the drawings, Figure 2 And Figure 4 The driving device includes a gearbox 23 installed at the bottom of the stirring barrel 1, an outer shaft 34 is rotatably installed at the top of the gearbox 23, the outer shaft 34 is a hollow structure, an inner shaft 40 is coaxially arranged in the outer shaft 34, and the two ends of the inner shaft 40 and the outer shaft 34 are rotatably connected; The inner shaft 40 and the outer shaft 34 both extend into the gearbox 23, and a turbine 37 is coaxially installed on the end of the inner shaft 40 and the outer shaft 34, and one side of the turbine 37 engages with a worm 35, and the two ends of the worm 35 are both rotatably connected to the side wall of the gearbox 23; As shown in Figure 6 and Figure 7 , a first gear 36 is coaxially installed on one end of the two worms 35, and the first gears 36 are engaged with each other, a driving motor 22 is installed outside the gearbox 23, and the rotating shaft of the driving motor 22 is rotatably connected to the gearbox 23, and a second gear 38 is connected to the end of one of the worms 35 and the rotating shaft of the driving motor 22, and the size of the second gear 38 installed on the driving motor is smaller than that of the second gear 38 installed on the end of the worm 35, the two second gears 38 are engaged to form a driving structure of the large gear driving the small gear, so that the driving motor 22 rotates with smaller torque; Among them, the inner shaft 40 and the outer shaft 34 both extend into the stirring barrel 1 and are connected to the stirring device, and the outer shaft 34 is rotatably connected to the bottom of the stirring barrel 1, so that the inner shaft 40 and the outer shaft 34 rotate at the same time and in opposite directions.
[0029] As shown in Figure 6 and Figure 7 , the stirring device comprises a disc-shaped shell 28 coaxially installed on the top of the outer shaft 34, and the inner shaft 40 extends into the disc-shaped shell 28 and is rotatably connected therebetween; A plurality of strip-shaped shells 29 are installed on the side of the disc-shaped shell 28 at equal intervals and are radially arranged, and a driving shaft 2 is arranged in each of the strip-shaped shells 29, and each driving shaft 2 is rotatably installed in at least two bearing seats 39, and the bearing seats 39 are respectively installed in the disc-shaped shell 28 and the strip-shaped shell 29; As shown in Figure 7 and Figure 6 , a stirring shaft 30 vertically downwardly rotatably connected is connected to the end of each of the strip-shaped shells 29, and a bevel gear 3 is installed on the top of the stirring shaft 30, the two ends of the driving shaft 2, and the top of the inner shaft 40, and the adjacent bevel gears 3 are engaged with each other, so that in the present application, when the driving motor 22 rotates to drive the second gear 38 to rotate, the second gear 38 drives the two worms 35 to rotate, and the two worms 35 respectively drive the inner shaft 40 and the outer shaft 34 to rotate in opposite directions, so that the outer shaft 34 drives the disc-shaped shell 28 to rotate, and the inner shaft 40 drives the driving shaft 2 to rotate, and then the driving shaft 2 drives each stirring shaft 30 to rotate; As shown in Figure 6 and Figure 7As shown, the bottom of the stirring shaft 30 is connected with a stirring frame 31, and a plurality of stirring blades 33 are obliquely arranged in the stirring frame 31, and the stirring blades 33 are rectangular structures, and a shovel plate 32 is obliquely arranged at the bottom of the stirring frame 31; the stirring frame 31, the shovel plate 32 and the stirring blades 33 rotate with the disc-shaped shell 28, so that the stirring frame 31, the shovel plate 32 and the stirring blades 33 can efficiently stir the quartz sand in the stirring barrel 1, so that the quartz sand can be quickly cleaned. Meanwhile, the top of the disc-shaped shell 28 and the strip-shaped shell 29 are sealed by the sealing cover 27, and the edge of the sealing cover 27 is fastened with the disc-shaped shell 28 and the strip-shaped shell 29 by bolts, so that the top of the disc-shaped shell 28 and the strip-shaped shell 29 are sealed.
[0030] As shown in Figure 3 and Figure 1 shown, at least one control valve 17 is arranged at the bottom of the stirring barrel 1, the bottom of the control valve 17 is connected with a spiral conveying cylinder 14 through a flange, the spiral conveying cylinder 14 extends upwardly and obliquely, the height of the top of the spiral conveying cylinder 14 is higher than the height of the stirring barrel 1, the discharge channel 13 at the top of the spiral conveying cylinder 14 is arranged downwardly obliquely, and at least one stabilizing frame 15 is arranged at the middle position of the spiral conveying cylinder 14. Specifically, when the quartz sand is cleaned, the spiral conveying cylinder 14 drives the sand to gradually rise from the bottom of the stirring barrel 1, when the sand rises to a position higher than the liquid level, the water in the sand drops by gravity, and finally the sand without water falls from the discharge channel 13.
[0031] As shown in Figure 3 shown, the stirring barrel 1 is loaded by the oblique belt conveyor 25, and the electric control box 24 is arranged between the supports 18.
[0032] The application further provides a use method of the quartz sand efficient flotation device, which comprises the following steps: Step one, the quartz sand to be cleaned is conveyed into the rectangular box by the oblique belt conveyor, and the conveying time of the oblique belt conveyor can be controlled to ensure that the volume of the quartz sand in the stirring barrel is moderate; Step two, the driving device drives the stirring device to rotate, the stirring device stirs the quartz sand in the stirring barrel, the cleaning liquid in the stirring barrel stirs and cleans the quartz sand, and the floating matter and foam generated in the cleaning process flow out of the rectangular port and are collected; Step three, the cleaned quartz sand is outputted outwardly by the spiral conveying cylinder, and then the next round of quartz sand cleaning work is performed.
[0033] In the description of the application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.
[0034] Although embodiments of the application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the application, and the scope of the application is defined by the appended claims and their equivalents.
Claims
1. A quartz sand high-efficiency flotation device, comprising a stirring barrel (1), wherein a plurality of brackets (18) are provided at the bottom of the stirring barrel (1), characterized in that: A driving device is provided at the bottom of the mixing barrel (1), a stirring device is provided inside the mixing barrel (1), and the stirring device and the driving device are connected; A rectangular box (4) is installed on the top of the mixing barrel (1), a blowing pipe (6) is horizontally installed on the top of one side of the rectangular box (4), a strip-shaped blowing port (41) is opened on one side of the blowing pipe (6), one end of the blowing pipe (6) is connected to a pipe joint (5), the pipe joint (5) is connected to a high-pressure blowing pump (21) through a conduit, and the high-pressure blowing pump (21) is installed on the side of the rectangular box (4); A rectangular opening (12) is provided on the top of the rectangular box (4) away from the blowing duct (6). The water surface in the mixing barrel (1) reaches the rectangular opening (12). The air flow blown out from the blowing duct (6) blows floating objects on the water surface to the rectangular opening (12) and flows out from the rectangular opening (12).
2. A quartz sand high-efficiency flotation device according to claim 1, characterized in that: A collection box (16) with a strip structure is installed below the rectangular opening (12), and the collection box (16) is installed on the side of the rectangular box body (4); One end of the collecting box (16) is connected to a material guide pipe (19), the bottom of the material guide pipe (19) is installed in a collecting pool (20), and the collecting pool (20) is arranged on one side of the bracket (18).
3. A quartz sand high-efficiency flotation device according to claim 1, characterized in that: Strip-shaped mounting seats (26) are installed on the rectangular box (4) on both sides of the rectangular opening (12), and a rotating shaft (7) is rotatably installed between the tops of the strip-shaped mounting seats (26). A plurality of scrapers (11) are radially distributed on the side of the rotating shaft (7), and both ends of the scrapers (11) are connected to connecting plates (10). Each connecting plate (10) is mounted on a connecting seat (8) by bolts, and the other ends of the connecting seats (8) are respectively mounted on the side of the rotating shaft (7); A rotating motor (9) is installed at one end of the rotating shaft (7). The rotating motor (9) is installed on a corresponding strip-shaped mounting seat (26). The rotating motor (9) drives each scraper (11) to rotate, and the scraper (11) passes through the rectangular opening (12).
4. A quartz sand high-efficiency flotation device according to claim 1, characterized in that: The driving device includes a gearbox (23) mounted on the bottom of the mixing barrel (1), an outer shaft (34) is rotatably mounted through the top of the gearbox (23), the outer shaft (34) is a hollow structure, an inner shaft (40) is coaxially arranged inside the outer shaft (34), and the inner shaft (40) and the outer shaft (34) are rotatably connected at both ends; The inner shaft (40) and the outer shaft (34) are both extended into the gearbox (23), and turbines (37) are coaxially mounted on the ends of the inner shaft (40) and the outer shaft (34), a worm (35) is meshed on one side of the turbine (37), and both ends of the worm (35) are rotatably connected to the side wall of the gearbox (23); A first gear (36) is coaxially mounted on one end of each of the two worms (35), and the first gears (36) are meshed with each other. A drive motor (22) is mounted on the outside of the gearbox (23), and the rotating shaft of the drive motor (22) and the gearbox (23) are rotatably connected. A second gear (38) is connected to the rotating shaft of the drive motor (22) and to the end of one of the worms (35). The size of the second gear (38) mounted on the drive motor is smaller than the size of the second gear (38) mounted on the end of the worm (35), and the two second gears (38) are meshed with each other. The inner shaft (40) and the outer shaft (34) both extend into the mixing barrel (1) and are connected to the mixing device, and the outer shaft (34) is rotatably connected to the bottom of the mixing barrel (1).
5. A quartz sand high-efficiency flotation device according to claim 4, characterized in that: The stirring device comprises a disc-shaped housing (28) coaxially mounted on the top of the outer shaft (34), the inner shaft (40) extending into the disc-shaped housing (28) and the two being rotatably connected; A plurality of strip-shaped housings (29) are installed at equal intervals on the side of the disc-shaped housing (28) and are arranged radially therewith. A drive shaft (2) is provided in each of the strip-shaped housings (29). Each drive shaft (2) is rotatably mounted in at least two bearing seats (39). The bearing seats (39) are respectively mounted in the disc-shaped housing (28) and the strip-shaped housing (29). A stirring shaft (30) arranged vertically downward is rotatably connected to the end of each strip-shaped housing (29), and bevel gears (3) are installed on the top of the stirring shaft (30), both ends of the drive shaft (2), and the top of the inner shaft (40), and adjacent bevel gears (3) are meshed with each other.
6. A quartz sand high-efficiency flotation device according to claim 5, characterized in that: The bottom of the stirring shaft (30) is connected to a stirring frame (31), and a plurality of stirring blades (33) are obliquely installed in the stirring frame (31). The stirring blades (33) are rectangular in structure, and a shovel (32) is obliquely installed at the bottom of the stirring frame (31); The tops of the disc-shaped housing (28) and the strip-shaped housing (29) are sealed by a sealing cover (27), and the edge of the sealing cover (27) and the disc-shaped housing (28) and the strip-shaped housing (29) are fastened by bolts.
7. A quartz sand high-efficiency flotation device according to claim 1, characterized in that: At least one control valve (17) is installed at the bottom of the mixing barrel (1), and the bottom of the control valve (17) is connected to a spiral conveying cylinder (14) through a flange. The spiral conveying cylinder (14) extends upward at an angle, and the top height of the spiral conveying cylinder (14) is higher than the height of the mixing barrel (1). The discharge channel (13) at the top of the spiral conveying cylinder (14) is arranged downward at an angle, and at least one stabilizing frame (15) is installed in the middle position of the spiral conveying cylinder (14).
8. A quartz sand high-efficiency flotation device according to claim 1, characterized in that: The mixing barrel (1) is loaded with materials via an inclined belt conveyor (25), and an electric control box (24) is installed between the brackets (18).
9. The method for using the quartz sand high-efficiency flotation device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: The quartz sand to be cleaned is transported to a rectangular box via an inclined belt conveyor. During the transportation process, the conveying time of the inclined belt conveyor can be controlled to ensure that the volume of the quartz sand in the mixing barrel is appropriate; Step 2: The driving device drives the stirring device to rotate, and the stirring device stirs the quartz sand in the stirring barrel. The cleaning liquid in the stirring barrel stirs and cleans the quartz sand, and the floating matter and foam generated by the cleaning flow out from the rectangular opening and are collected; Step 3: The cleaned quartz sand is output to the outside through the spiral conveyor, and then the next round of quartz sand cleaning is carried out.