Inflation type mechanical stirring flotation device

By installing an air inlet assembly and a rotating mechanism at the bottom of the flotation tube, combined with stirring blades and a skimmer assembly, the problem of uneven bubble distribution in the flotation device was solved, achieving more efficient separation of minerals and gangue.

CN224057629UActive Publication Date: 2026-03-31ZHAOYUAN JINDU MINING MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing aerated mechanical stirring flotation devices have uneven bubble distribution inside the flotation tube, which causes strong turbulence in the slurry and affects the separation effect.

Method used

An air inlet assembly is installed at the bottom of the flotation cylinder. Air bubbles are formed through the air inlet and outlet pipes. The air inlet pipe is rotated by a rotating mechanism to ensure that the air bubbles are evenly distributed in the flotation cylinder. At the same time, stirring blades are used for stirring, and foam is collected by a skimmer assembly.

Benefits of technology

This method achieves uniform bubble distribution within the flotation tube, improves the separation efficiency of minerals and gangue, reduces turbulence, and enhances the separation effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224057629U_ABST
    Figure CN224057629U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of coal mine flotation, and particularly relates to an air inflation type mechanical stirring flotation device which comprises a flotation cylinder, the right side of the flotation cylinder is fixedly connected with a collecting tank, the front side and the rear side of the collecting tank are provided with a water outlet and a foam outlet respectively, and a filter plate is arranged in the collecting tank. The air inlet assembly is installed at the bottom of the flotation cylinder and provided with the air inlet pipe, the outer surface of the top of the air inlet pipe is fixedly communicated with the air outlet pipes, the air outlet holes are formed in the air outlet pipes in a penetrating mode, and air is discharged through the air outlet holes to form bubbles. According to the air inlet assembly, the rotating mechanism is arranged, so that the air inlet pipe rotates and exhausts air at the same time, formed bubbles are evenly distributed in the flotation cylinder, stirring blades are combined to stir ore pulp in the flotation cylinder, and the bubble distribution uniformity is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine floatation technology field, concretely is inflatable mechanical stirring floatation device. BACKGROUND

[0002] Inflatable mechanical stirring floatation device is a kind of separation equipment widely used in mineral processing industry, its core principle is in the way of producing small bubbles in slurry by mechanical stirring and gas filling, so that hydrophobic mineral particles can be attached to these bubbles, and with bubble rising to slurry surface to form foam layer, so that the effective separation of mineral and gangue is realized.

[0003] The existing inflatable mechanical stirring floatation device, when the gas bubble is formed in the inside of floatation cylinder, the gas outlet of gas outlet pipe is fixed in the inside of floatation cylinder at a position, so that the bubble concentration in some areas in the inside of floatation cylinder is too high, if only the speed of stirring is improved to disperse the bubble, it will cause strong turbulence of slurry, further intensify the uneven distribution of bubble in the inside of floatation cylinder, for this reason, we propose inflatable mechanical stirring floatation device. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides inflatable mechanical stirring floatation device, the bottom of floatation cylinder is equipped with air inlet assembly, the air inlet assembly is provided with air inlet pipe, the top outer surface of air inlet pipe is fixedly connected with a plurality of gas outlet pipes, a plurality of gas outlet holes are penetrated on the gas outlet pipe, the gas bubble is formed by gas outlet hole, and the air inlet assembly is rotated by setting rotating mechanism, so that the air inlet pipe rotates and exhausts, so that the formed bubble is evenly distributed in the inside of floatation cylinder, and the slurry in the inside of floatation cylinder is stirred by stirring vane, further improve the uniformity of bubble distribution, solve the problem in the background.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: inflatable mechanical stirring floatation device, including floatation cylinder, the right side of floatation cylinder is fixedly connected with collecting tank, the front and back sides of collecting tank are respectively provided with drain outlet and froth outlet, the inside of collecting tank is provided with filter plate, the top of floatation cylinder is fixedly installed with mounting plate one, the top of mounting plate one is fixedly connected with mounting frame, the top of mounting frame is fixedly installed with driving motor one, rotating rod one is rotatably arranged on mounting plate one, the output shaft end of driving motor one is fixedly connected with the top end of rotating rod one, the bottom of rotating rod one is fixedly sleeved with fixed column, the four lateral surfaces of fixed column are all fixedly installed with stirring vane, the bottom of floatation cylinder is installed with air inlet assembly, the bottom side of mounting plate one is installed with froth scraping assembly.

[0006] Preferably, the air inlet assembly comprises an air compressor fixedly installed at the bottom of the flotation cylinder, the bottom of the flotation cylinder is rotatably provided with an air inlet pipe, the top outer surface of the air inlet pipe is fixedly communicated with a plurality of air outlet pipes, a plurality of air outlet holes are formed through the air outlet pipes, the bottom end of the air inlet pipe is fixedly communicated with a check valve, the bottom of the flotation cylinder is fixedly connected with a fixing frame, a rotary joint is installed on the fixing frame, the top end of the rotary joint is communicated with the bottom end of the check valve, the input end of the rotary joint is fixedly communicated with a communication pipe, the input end of the communication pipe is fixedly communicated with the output end of the air compressor, and a rotating mechanism for driving the air inlet pipe to rotate is further installed at the bottom of the flotation cylinder.

[0007] Preferably, the rotating mechanism comprises a second driving motor, the bottom side of the flotation cylinder is further fixedly connected with a mounting bracket, the second driving motor is fixedly installed at the bottom side of the mounting bracket, the output shaft end of the second driving motor penetrates through the mounting bracket and is fixedly connected with a second gear, and the bottom side outer surface of the air inlet pipe is fixedly sleeved with a second toothed disc.

[0008] Preferably, the foam scraping assembly comprises a fixed sleeve fixedly connected to the bottom side of the first mounting plate, a rotating sleeve rotatably sleeved on the fixed sleeve, a plurality of foam scraping plates fixedly connected to the outer surface of the rotating sleeve, a first toothed disc fixedly sleeved to the top of the rotating sleeve, a second rotating rod rotatably penetrating through the rear side of the first mounting plate, a second pulley and a first gear fixedly connected to the top end and the bottom end of the second rotating rod respectively, the first gear being engaged with the first toothed disc, a first pulley fixedly sleeved to the top side outer surface of the first rotating rod, and a belt tightly sleeved between the first pulley and the second pulley.

[0009] Preferably, the filter plate is placed obliquely, and the height of the front end of the filter plate is higher than the height of the rear end of the filter plate.

[0010] Preferably, the left top of the flotation cylinder is provided with a feeding port, and the right bottom of the flotation cylinder is provided with a discharging port.

[0011] The utility model provides an inflatable mechanical stirring flotation device, which has the following beneficial effects compared with the prior art:

[0012] 1. The inflatable mechanical stirring flotation device is provided with an air inlet assembly at the bottom of the flotation cylinder, the air inlet assembly is provided with an air inlet pipe, the top outer surface of the air inlet pipe is fixedly communicated with a plurality of air outlet pipes, a plurality of air outlet holes are formed through the air outlet pipes, air bubbles are formed through the air outlet holes, the air inlet assembly is provided with a rotating mechanism, the air inlet pipe rotates while discharging air, the air bubbles are uniformly distributed in the flotation cylinder, and the mineral slurry in the flotation cylinder is stirred by the stirring blades, so that the uniformity of the air bubbles is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the main body front view structural schematic diagram of the utility model;

[0014] Figure 2 It is the collecting groove internal structure schematic diagram of the utility model;

[0015] Figure 3 It is the main body front view cross section structural schematic diagram of the utility model;

[0016] Figure 4 It is the utility model Figure 3 It is the structure enlarged schematic diagram of A place in the utility model;

[0017] Figure 5 It is the utility model Figure 3 It is the structure enlarged schematic diagram of B place in the utility model.

[0018] In the drawing: 1, floatation cylinder; 2, feed inlet; 3, discharge outlet; 4, collecting groove; 5, mounting plate one; 6, mounting frame; 7, drive motor one; 8, drain; 9, foam outlet; 10, filter plate; 11, rotating rod one; 12, pulley one; 13, pulley two; 14, belt; 15, rotating rod two; 16, gear one; 17, toothed disc one; 18, fixed sleeve; 19, rotating sleeve; 20, foam scraping plate; 21, fixed column; 22, stirring blade; 23, air inlet pipe; 24, air outlet pipe; 25, air outlet hole; 26, mounting bracket; 27, drive motor two; 28, gear two; 29, check valve; 30, rotary joint; 31, fixed bracket; 32, toothed disc two; 33, communication pipe; 34, air compressor. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-5The utility model provides a technical scheme: inflatable mechanical stirring flotation device, including flotation cylinder 1, the right side fixed connection of flotation cylinder 1 has collection tank 4, and the front and back sides of collection tank 4 are provided with drain outlet 8 and foam outlet 9 respectively, and the inside of collection tank 4 is provided with filter plate 10, and the top of mounting plate no. 5 is fixedly installed on the top of mounting plate no. 5, and the top of mounting frame 6 is fixedly connected, and the top of mounting frame 6 is fixedly installed drive motor no. 7, and the top of drive motor no. 7 is fixedly connected in the top end of rotating rod no. 11, and the bottom of rotating rod no. 11 is fixedly sleeved with fixed column 21, and the four lateral surfaces of fixed column 21 are all fixedly installed with stirring vane 22, and the bottom of flotation cylinder 1 is installed with air inlet assembly, and the bottom side of mounting plate no. 5 is installed with scraping foam assembly.

[0021] The inflatable mechanical stirring flotation device, through the air inlet assembly, the pulp in the flotation cylinder 1 is aerated, a plurality of bubbles are formed in the pulp, then the rotating rod no. 11 is rotated by the drive motor no. 7, the fixed column 21 at the bottom of the rotating rod no. 11 is rotated, and the stirring vane 22 fixedly installed on the four lateral surfaces of the fixed column 21 is used to stir the pulp, the bubbles are further uniformly dispersed, the hydrophobic mineral particles in the pulp adhere to the bubbles, and the bubbles rise to the surface of the pulp to form a foam layer, the foam is scraped into the collection tank 4 by the scraping foam assembly, and the water in the foam is filtered by the filter plate 10, the filtered water is discharged back by the drain outlet 8, and the filtered foam is discharged by the foam outlet 9.

[0022] The air inlet assembly includes an air compressor 34, the air compressor 34 is fixedly installed at the bottom of the flotation cylinder 1, the bottom of the flotation cylinder 1 is rotatably provided with an air inlet pipe 23, the top outer surface of the air inlet pipe 23 is fixedly communicated with a plurality of air outlet pipes 24, a plurality of air outlet holes 25 are formed through the air outlet pipes 24, the bottom end of the air inlet pipe 23 is fixedly communicated with a check valve 29, the bottom of the flotation cylinder 1 is fixedly connected with a fixed frame 31, the fixed frame 31 is installed with a rotary joint 30, the top end of the rotary joint 30 is communicated with the bottom end of the check valve 29, the input end of the rotary joint 30 is fixedly communicated with a communication pipe 33, the input end of the communication pipe 33 is fixedly communicated with the output end of the air compressor 34, and the bottom of the flotation cylinder 1 is further provided with a rotating mechanism for driving the air inlet pipe 23 to rotate.

[0023] The rotating mechanism includes a drive motor no. 27, the bottom side of the flotation cylinder 1 is further fixedly connected with a mounting frame 26, the drive motor no. 27 is fixedly installed at the bottom side of the mounting frame 26, the output shaft end of the drive motor no. 27 penetrates the mounting frame 26 and is fixedly connected with a gear no. 28, the bottom side outer surface of the air inlet pipe 23 is fixedly sleeved with a gear no. 32, and the gear no. 28 is engaged with the gear no. 32.

[0024] When the air inlet assembly is in use, compressed air is generated by the air compressor 34, and then discharged into the rotary joint 30 through the communication pipe 33, and finally into the air inlet pipe 23, and then into the several air outlet pipes 24 fixedly communicated with the outer surface of the air inlet pipe 23, and then discharged through the several air outlet holes 25 on the air outlet pipe 24 to form several air bubbles. A check valve 29 is arranged between the rotary joint 30 and the air inlet pipe 23 to prevent the backflow of the ore pulp in the flotation cylinder 1. During the air discharge process of the air outlet pipe 24, the gear two 28 is rotated by the driving motor two 27, and the gear two 28 is engaged with the gear plate two 32, so that the gear plate two 32 is rotated, and then the air inlet pipe 23 is rotated at the bottom of the flotation cylinder 1, so that the air discharge of the several air outlet pipes 24 is more uniform.

[0025] The foam scraping assembly comprises a fixed sleeve 18 fixedly connected to the bottom side of the mounting plate one 5, a rotating sleeve 19 rotatably sleeved on the fixed sleeve 18, a plurality of foam scraping plates 20 fixedly connected to the outer surface of the rotating sleeve 19, a gear plate one 17 fixedly sleeved on the top of the rotating sleeve 19, a rotating rod two 15 rotatably arranged on the rear side of the mounting plate one 5, a belt pulley two 13 and a gear one 16 fixedly connected to the top end and the bottom end of the rotating rod two 15 respectively, the gear one 16 being engaged with the gear plate one 17, a belt pulley one 12 fixedly sleeved on the top side of the rotating rod one 11, and a belt 14 tightly sleeved between the belt pulley one 12 and the belt pulley two 13.

[0026] When the foam scraping assembly is in use, the rotating rod two 15 is rotated by the belt 14 tightly sleeved between the belt pulley one 12 fixedly sleeved on the top side of the rotating rod one 11 and the belt pulley two 13 fixedly connected to the top end of the rotating rod two 15, the gear one 16 fixedly connected to the bottom end of the rotating rod two 15 is engaged with the gear plate one 17 fixedly sleeved on the top of the rotating sleeve 19, the gear plate one 17 is rotated, the rotating sleeve 19 is rotated on the fixed sleeve 18, and the foam on the top of the ore pulp is scraped into the collecting groove 4 by the plurality of foam scraping plates 20 fixedly connected to the outer surface of the rotating sleeve 19.

[0027] The filter plate 10 is placed obliquely, and the height of the front end of the filter plate 10 is higher than the height of the rear end of the filter plate 10, so as to facilitate the flow of the foam from front to back.

[0028] The left top of the flotation cylinder 1 is provided with a feed inlet 2, the ore pulp enters the flotation cylinder 1 from the feed inlet 2, the right bottom of the flotation cylinder 1 is provided with a discharge outlet 3, and the tailings after being floated by the ore pulp are discharged from the discharge outlet 3.

[0029] Working principle: the inflatable mechanical agitation flotation device, through the air compressor 34 to make compressed air, and then through the communication pipe 33 into the rotary joint 30, finally into the air inlet pipe 23, then into the air inlet pipe 23 outer surface fixed communication of several air outlet pipe 24, through the several air outlet pipe 24 on the air outlet hole 25 exhaust, form several bubbles, and set check valve 29 between the rotary joint 30 and air inlet pipe 23 to avoid the backflow of the pulp in the flotation cylinder 1, in the process of air outlet pipe 24 exhaust, through the driving motor two 27 rotating gear two 28, because the gear two 28 and gear two 32 meshing, thus rotating gear two 32, and then make the air inlet pipe 23 rotate at the bottom of the flotation cylinder 1, so that the exhaust distribution of several air outlet pipe 24 is more uniform;

[0030] Then through the driving motor one 7 rotating rod one 11, thus rotating the fixed column 21 at the bottom of the rotating rod one 11, and then through the fixed column 21 four side surface fixed installation of stirring blade 22 to the pulp stirring, further uniform dispersion of bubbles, hydrophobic mineral particles in the pulp adhere to the bubble, and with the bubble rising to the surface of the pulp to form a foam layer, while rotating rod one 11 rotates, because the top side of the rotating rod one 11 outer surface fixed sleeve of pulley one 12, with the pulley two 13 fixed connection of rotating rod two 15 top end, through the belt 14 tensioning sleeve, thus rotating the rotating rod two 15, because the gear one 16 fixed connection of rotating rod two 15 bottom end, with the gear one 17 fixed sleeve of rotating sleeve 19 top, meshing, thus rotating the gear one 17, make the rotating sleeve 19 rotate on the fixed sleeve 18, through the several scraping plate 20 fixed connection of rotating sleeve 19 outer surface, the foam on the top of the pulp is scraped into the collecting groove 4, and the moisture in the foam is filtered through the filter plate 10, the filtered moisture is discharged through the drain 8 backflow, and the filtered foam is discharged through the foam outlet 9.

[0031] It should be noted that in this text, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment.

[0032] Although the embodiments of the present 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 the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An aerated mechanical agitation flotation device comprising a flotation cylinder (1), characterized in that: The right side of the floatation cylinder (1) is fixedly connected with a collecting groove (4), the front and rear sides of the collecting groove (4) are respectively provided with a drain port (8) and a foam outlet (9), the inside of the collecting groove (4) is provided with a filter plate (10), the top of the floatation cylinder (1) is fixedly installed with a mounting plate one (5), the top of the mounting plate one (5) is fixedly connected with a mounting frame (6), the top of the mounting frame (6) is fixedly installed with a driving motor one (7), a rotating rod one (11) is rotatably arranged on the mounting plate one (5), the output shaft end of the driving motor one (7) is fixedly connected with the top end of the rotating rod one (11), the bottom of the rotating rod one (11) is fixedly sleeved with a fixed column (21), the four side faces of the fixed column (21) are all fixedly installed with stirring blades (22), the bottom of the floatation cylinder (1) is installed with an air inlet assembly, the bottom side of the mounting plate one (5) is installed with a foam scraping assembly.

2. An aerated mechanical flotation cell according to claim 1, characterised in that: The air inlet assembly comprises an air compressor (34), the air compressor (34) is fixedly installed at the bottom of the floatation cylinder (1), the bottom of the floatation cylinder (1) is rotatably provided with an air inlet pipe (23), the top outer surface of the air inlet pipe (23) is fixedly communicated with a plurality of air outlet pipes (24), a plurality of air outlet holes (25) are arranged through the air outlet pipes (24), the bottom end of the air inlet pipe (23) is fixedly communicated with a check valve (29), the bottom of the floatation cylinder (1) is fixedly connected with a fixing frame (31), the fixing frame (31) is installed with a rotary joint (30), the top end of the rotary joint (30) is communicated with the bottom end of the check valve (29), the input end of the rotary joint (30) is fixedly communicated with a communication pipe (33), the input end of the communication pipe (33) is fixedly communicated with the output end of the air compressor (34), the bottom of the floatation cylinder (1) is further installed with a rotating mechanism for driving the air inlet pipe (23) to rotate.

3. An aerated mechanical flotation cell according to claim 2, wherein: The rotating mechanism comprises a driving motor two (27), the bottom side of the floatation cylinder (1) is further fixedly connected with a fixing frame (26), the driving motor two (27) is fixedly installed at the bottom side of the fixing frame (26), the output shaft end of the driving motor two (27) penetrates through the fixing frame (26) and is fixedly connected with a gear two (28), the bottom side outer surface of the air inlet pipe (23) is fixedly sleeved with a gear disc two (32), the gear two (28) is engaged with the gear disc two (32).

4. The aerated mechanical agitation flotation device of claim 1, wherein: The scraping foam assembly comprises a fixing sleeve (18) fixedly connected to the bottom side of the mounting plate I (5), a rotating sleeve (19) rotatably sleeved on the fixing sleeve (18), a plurality of scraping plates (20) fixedly connected to the outer surface of the rotating sleeve (19), a gear disc I (17) fixedly sleeved to the top of the rotating sleeve (19), a rotating rod II (15) rotatably arranged at the rear side of the mounting plate I (5), a belt pulley II (13) and a gear I (16) fixedly connected to the top end and the bottom end of the rotating rod II (15) respectively, the gear I (16) engaged with the gear disc I (17), a belt pulley I (12) fixedly sleeved to the top side outer surface of the rotating rod I (11), and the belt pulley I (12) and the belt pulley II (13) being tensily sleeved with a belt (14).

5. The aerated mechanical agitation flotation device of claim 1, wherein: The filter plate (10) is placed obliquely, and the height of the front end of the filter plate (10) is higher than the height of the rear end of the filter plate (10).

6. The aerated mechanical agitation flotation device of claim 1, wherein: The left top of the flotation cylinder (1) is provided with a feeding port (2), and the right bottom of the flotation cylinder (1) is provided with a discharging port (3).