CN113970935A

CN113970935A - Automatic liquid level control device of flotation machine

Info

Publication number: CN113970935A
Application number: CN202111249225.7A
Authority: CN
Inventors: 黄建农; 薛国庆
Original assignee: Jiangsu Xianglong Equipment Co ltd
Current assignee: Jiangsu Xianglong Equipment Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-01-25
Anticipated expiration: 2041-10-26
Also published as: CN113970935B

Abstract

The utility model relates to a flotation device liquid level automatic control device relates to the technical field of flotation equipment, the power distribution box comprises a box body, be equipped with rabbling mechanism on the box and scrape bubble mechanism, rabbling mechanism is used for stirring the ore pulp in the box, it is used for scraping the box with the epaxial foam of ore pulp liquid to scrape out the bubble mechanism, be equipped with into thick liquid mouth and grout outlet on the box, be equipped with the actuating mechanism who is used for controlling into thick liquid mouth feed volume on the box, be equipped with the floater in the box, the floater floats on the ore pulp liquid level, be equipped with the measuring mechanism who is used for measuring floater flotation height on the box, measuring mechanism is connected with actuating mechanism. The measuring mechanism measures the floating height of the floating ball, the measuring result is fed back to the driving mechanism, the driving mechanism adjusts the feeding amount of the pulp inlet, and then the liquid level height of the pulp is adjusted, so that the foam scraping mechanism can scrape foam on the liquid level of the pulp out of the box body, the operation is convenient, and the collection efficiency of mineral substances in the pulp is improved.

Description

Automatic liquid level control device of flotation machine

Technical Field

The application relates to the technical field of flotation equipment, in particular to a flotation machine liquid level automatic control device.

Background

Flotation is the main method for separating and enriching useful minerals, and a flotation machine is main equipment for realizing mineral separation. Flotation machines generally consist of a tank containing the pulp, an agitator to stir the pulp, an aeration device to produce froth, and a froth scraping device to discharge the froth. Aerating device is connected with the agitator, and aerating device produces the foam, and the foam carries out the enrichment with the trace mineral substance of ore pulp, and the agitator stirring drives the foam and floats on the ore pulp liquid level, scrapes the bubble device and scrapes out the cell body with the foam that floats on the liquid level and collect, and then realizes drawing and utilizing of useful mineral.

However, in the actual production process, the height of the liquid level of the ore pulp can be easily changed, so that the height of the foam layer is changed, the foam is difficult to accurately scrape by the foam scraping device, and the collection efficiency of mineral substances in the ore pulp is reduced.

Disclosure of Invention

In order to improve the problem that foam layer height changes and leads to scraping the bubble device and be difficult to accurately scrape the foam, the application provides a flotation machine liquid level automatic control device.

The application provides a flotation device liquid level automatic control device adopts following technical scheme:

the utility model provides a flotation device liquid level automatic control device, includes the box, be equipped with rabbling mechanism on the box and scrape bubble mechanism, rabbling mechanism is used for stirring the ore pulp in the box, it is used for scraping out the box with the foam on the ore pulp liquid level to scrape bubble mechanism, be equipped with into thick liquid mouth and play thick liquid mouth on the box, be equipped with the actuating mechanism who is used for controlling into thick liquid mouth feed volume on the box, be equipped with the floater in the box, the floater floats on the ore pulp liquid level, be equipped with the measuring mechanism who is used for measuring floater floating height on the box, measuring mechanism is connected with actuating mechanism.

Through adopting above-mentioned technical scheme, measuring mechanism is used for measuring the floating height of floater, and measuring mechanism feeds back drive mechanism with measuring result, and drive mechanism is used for adjusting the feeding volume of entering thick liquid mouth, and then adjusts the liquid level height of ore pulp to make and scrape the bubble mechanism and can scrape out the box with the foam on the ore pulp liquid level, convenient operation improves the collection efficiency of mineral substance in the ore pulp.

Preferably, the driving mechanism comprises a first gate and a screw rod, the first gate is slidably connected with the box body, the screw rod is in threaded connection with the box body, the screw rod is fixedly connected with the first gate, and a driving piece for driving the screw rod to rotate is arranged on the box body.

By adopting the technical scheme, the driving piece drives the screw rod to rotate, the screw rod drives the first gate to slide, the overlapping area of the first gate and the pulp inlet is adjusted, and then the feeding amount of the pulp inlet is adjusted, so that the liquid level of the ore pulp is changed, the height of the foam is changed along with the change of the ore pulp, and the foam is conveniently scraped by the foam scraping mechanism; on the one hand, the foam scraping efficiency of the foam scraping mechanism is improved, on the other hand, the overflow of ore pulp can be reduced, and resources are saved.

Preferably, sliding connection has the second gate on the box, fixedly connected with connects the rope on the second gate, the one end and the first gate fixed connection of second gate are kept away from to the connection rope, be equipped with on the box and be used for driving the second gate towards keeping away from the gliding elastic component of connection rope direction.

Through adopting above-mentioned technical scheme, the elastic component drive second gate is kept away from to be connected the rope direction and is slided, and the load of increase discharge gate connects the rope direction slip of rope direction of rope drive first gate orientation, and then reduces the feeding volume of feed inlet to reduce the height of liquid level in the box, convenient operation.

Preferably, the measuring mechanism comprises a sliding rod, the sliding rod is connected with the box body in a sliding mode, one end of the sliding rod is connected with the floating ball, the other end of the sliding rod penetrates out of the box body, a grating ruler sensor is arranged on the sliding rod, and the grating ruler sensor is electrically connected with the driving piece.

By adopting the technical scheme, the buoyancy of the floating ball pushes the sliding rod to slide along the vertical direction, the grating ruler sensor detects the sliding distance of the sliding rod and feeds the sliding distance back to the driving piece, and the driving piece drives the second gate to slide towards the direction far away from the connecting rope, so that the manual work is saved and the operation is convenient; on the other hand, the positions of the first gate and the second gate are adjusted in real time according to the floating height of the floating ball, so that slurry can be supplemented and discharged in time.

Preferably, scrape bubble mechanism and include axis of rotation and thick liquid piece, the axis of rotation is rotated with the box and is connected, the thick liquid piece radially sets up along the axis of rotation, the thick liquid piece is kept away from the one end and the foam butt of axis of rotation, be equipped with on the box and be used for driving axis of rotation pivoted adjusting part.

Through adopting above-mentioned technical scheme, adjusting part drive axis of rotation rotates, and the axis of rotation drives the thick liquid piece and rotates, and the thick liquid piece rotates and drives the foam and discharge from the box, improves the collection efficiency of foam on the one hand, and on the other hand reduces the foam and piles up too much, and the floater parcel is wrapped up to the foam, and then influences the measuring accuracy's of floater possibility.

Preferably, the adjusting component comprises a driving belt wheel and a driven belt wheel, the driven belt wheel is fixedly connected with the rotating shaft in a coaxial mode, the driving belt wheel is rotatably connected with the box body, and the driving belt wheel and the driven belt wheel realize transmission through the belt body.

Through adopting above-mentioned technical scheme, driving pulley rotates, drives driven pulley through the belt body and rotates, and then drives the axis of rotation and rotate, saves the manual work, improves production efficiency.

Preferably, be equipped with a water injection section of thick bamboo on the box, sliding connection has the piston in the water injection section of thick bamboo, coaxial fixedly connected with carousel on the driven pulleys, it has the connecting rod to articulate on the carousel, the one end that the carousel was kept away from to the connecting rod is articulated with the piston, be equipped with inlet tube and outlet pipe on the water injection section of thick bamboo, the outlet pipe mouth of pipe sets up towards the floater.

By adopting the technical scheme, the turntable rotates to drive the connecting rod to move, the connecting rod drives the piston to slide along the length direction of the water injection cylinder, the piston adjusts the pressure in the water injection cylinder, so that ore pulp is sucked into the water injection cylinder through the water inlet pipe and then discharged through the pipe orifice of the water outlet pipe, the ore pulp is sprayed on the floating ball after being discharged from the pipe orifice of the water outlet pipe, the floating ball is cleaned, and foam on the surface of the floating ball and around the floating ball is blown away, so that the influence of the foam on the buoyancy of the floating ball is reduced, and the measuring accuracy of the grating ruler sensor is improved; on the other hand, the height of the liquid level of the ore pulp and the color change of the ore pulp can be conveniently checked manually, so that the ore pulp can be conveniently replaced.

Preferably, be equipped with the first check valve that is used for preventing the air admission water injection section of thick bamboo on the outlet pipe, be equipped with the second check valve that is used for preventing ore pulp discharge water injection section of thick bamboo on the inlet tube.

By adopting the technical scheme, the first one-way valve prevents air from entering the water injection cylinder, and the second one-way valve is used for preventing ore pulp from being discharged out of the water injection cylinder, so that when the water injection cylinder pumps water to the water inlet pipe, the floating ball cannot be sucked through the water outlet pipe, and the measurement error of the floating ball is reduced; when the water injection section of thick bamboo was washd the floater through the outlet pipe, the inlet tube was closed, improved the utilization ratio that the ore pulp was used for wasing the floater in the water injection section of thick bamboo.

Preferably, the box body is provided with a wave prevention barrel, the floating ball is positioned in the wave prevention barrel, and the wave prevention barrel is provided with a plurality of through holes for balancing the water pressure difference inside and outside the wave prevention barrel.

By adopting the technical scheme, the floating ball is positioned in the wave prevention barrel, and the wave prevention barrel can reduce the influence of waves on the buoyancy of the floating ball and reduce the possibility of shaking of the floating ball; the through hole can make the interior outer water pressure of ripples section of thick bamboo of preventing the same, and then makes the measurement point location of floater the same with the ore pulp liquid level height in the box, further improves the measurement accuracy of floater.

In summary, the present application includes at least one of the following beneficial technical effects:

the measuring mechanism is used for measuring the floating height of the floating ball, the measuring mechanism feeds the measuring result back to the driving mechanism, and the driving mechanism is used for adjusting the feeding amount of the pulp inlet and further adjusting the liquid level height of the pulp, so that the foam scraping mechanism can scrape foam on the liquid level of the pulp out of the box body, the operation is convenient, and the collection efficiency of mineral substances in the pulp is improved;

the buoyancy of the floating ball pushes the sliding rod to slide along the vertical direction, the grating ruler sensor detects the sliding distance of the sliding rod and feeds the sliding distance back to the driving piece, and the driving piece drives the second gate to slide towards the direction far away from the connecting rope, so that the manual work is saved and the operation is convenient; on the other hand, the positions of the first gate and the second gate are adjusted in real time according to the floating height of the floating ball, so that slurry is conveniently supplemented and discharged in time;

the adjusting part drives the axis of rotation and rotates, and the axis of rotation drives the thick liquid piece and rotates, and the thick liquid piece rotates and drives the foam and discharge from the box, improves the collection efficiency of foam on the one hand, and on the other hand reduces the foam and piles up too much, and the floater parcel is wrapped up in to the foam, and then influences the measurement accuracy's of floater possibility.

Drawings

Fig. 1 is a schematic structural diagram of the whole automatic liquid level control device of the flotation machine in the embodiment of the application.

Fig. 2 is a sectional view for showing the internal structure of the case in the embodiment of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partial view for embodying a water injection cartridge in the embodiment of the present application.

Fig. 5 is a partially enlarged view at B in fig. 1.

Description of reference numerals: 1. a box body; 11. a pulp inlet; 12. a pulp outlet; 13. a floating ball; 14. a water injection barrel; 141. a piston; 142. a connecting rod; 143. a turntable; 144. a water inlet pipe; 1441. a second one-way valve; 145. a water outlet pipe; 1451. a first check valve; 15. a surge prevention barrel; 151. a through hole; 2. a stirring mechanism; 21. a first motor; 22. a main shaft; 221. a main bevel gear; 222. a slave bevel gear; 23. a stirring shaft; 24. a first bracket; 25. a mixing drum; 251. a bubble inlet pipe; 252. a bubble outlet pipe; 3. a foam scraping mechanism; 31. a rotating shaft; 32. pulp sheet; 33. an adjustment assembly; 331. a driving pulley; 332. a driven pulley; 333. a belt body; 4. a drive mechanism; 41. a first gate; 42. a screw; 43. a drive member; 431. a second motor; 432. a threaded sleeve; 433. a driving wheel; 434. a transmission belt; 435. a second bracket; 44. connecting ropes; 45. an elastic member; 451. a tension spring; 46. a second gate; 5. a measuring mechanism; 51. a slide bar; 52. grating chi sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses flotation device liquid level automatic control device. Referring to fig. 1, the automatic liquid level control device of the flotation machine comprises a box body 1, wherein a stirring mechanism 2 and a foam scraping mechanism 3 are installed on the box body 1, the stirring mechanism 2 is used for stirring ore pulp in the box body 1, and the generated foam enriches and floats mineral substances on the liquid level of the ore pulp; scrape bubble mechanism 3 and be used for scraping out box 1 with the foam, and then collect the mineral substance in the foam, improve the collection efficiency of mineral.

Referring to fig. 1 and 2, the stirring mechanism 2 includes a first motor 21, a main shaft 22 and a stirring shaft 23, the first motor 21 is fixedly connected to the top wall of the box 1 through a bolt, and an output shaft of the first motor 21 is connected to the main shaft 22 through a coupling. The box body 1 is welded with a first support 24, the main shaft 22 is rotatably connected with the first support 24, the main shaft 22 is coaxially welded with a main bevel gear 221, the stirring shaft 23 is rotatably connected with the box body 1, the stirring shaft 23 is perpendicular to the main shaft 22, one end of the stirring shaft 23 facing the main shaft 22 is coaxially welded with a slave bevel gear 222, and the main bevel gear 221 is meshed with the slave bevel gear 222. The bottom wall of the box body 1 is welded with a mixing cylinder 25, and foaming agents are placed in the mixing cylinder 25. The mixing tube 25 is sleeved on the stirring shaft 23, and the mixing tube 25 is communicated with a foam inlet tube 251 and a foam outlet tube 252. The foam inlet pipe 251 is used for sucking the slurry in the mixing cylinder 25, and the foam outlet pipe 252 is used for discharging the generated foam from the mixing cylinder 25.

During operation, the output shaft of the first motor 21 rotates to drive the main shaft 22 to rotate, the main shaft 22 drives the main bevel gear 221 to rotate, the main bevel gear 221 is meshed with the slave bevel gear 222 to further drive the stirring shaft 23 to rotate, the stirring shaft 23 rotates to enable negative pressure to be formed in the mixing cylinder 25, ore pulp is sucked into the mixing cylinder 25 through the foam inlet pipe 251 by the negative pressure, and under the action of a foaming agent, foam generated in the mixing cylinder 25 is discharged from the foam outlet pipe 252. The foam enriches and wraps the mineral substances in the ore pulp, and floats on the liquid surface of the ore pulp under the action of the ore pulp buoyancy.

Referring to fig. 2, the froth scraping mechanism 3 includes an adjusting assembly 33 and a rotating shaft 31, the rotating shaft 31 is rotatably connected to the housing 1, and the adjusting assembly 33 is used for driving the rotating shaft 31 to rotate. The adjusting component 33 comprises a driving pulley 331 and a driven pulley 332, the driving pulley 331 is coaxially welded with one end of the main shaft 22 far away from the first motor 21, the driven pulley 332 is coaxially welded and fixed with the rotating shaft 31, and the driving pulley 331 and the driven pulley 332 realize transmission through a belt body 333. The welding has the thick liquid piece 32 on the lateral wall of axis of rotation 31, and thick liquid piece 32 has a plurality ofly along the circumferential array of (mixing) shaft 23, and the quantity of thick liquid piece 32 is 4 in this application embodiment, and the one end and the foam butt of axis of rotation 31 are kept away from to thick liquid piece 32. The main shaft 22 rotates to drive the driving belt wheel 331 to rotate, the driving belt wheel 331 drives the driven belt wheel 332 to rotate through the belt body 333, the driven belt wheel 332 drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the pulp sheet to rotate, so that foam floating on the liquid level of the pulp is scraped out of the box body 1, the operation is convenient, and the labor is saved.

Referring to fig. 3, in order to reduce the possibility that the pulp sheet 32 cannot scrape the foam due to the change of the liquid level of the pulp, the wave-proof cylinder 15 is welded on the top wall of the box body 1, a plurality of through holes 151 are formed in the wave-proof cylinder 15, the ore pulp can freely enter and exit the wave-proof cylinder 15 through the through holes 151, and the pressure difference inside and outside the wave-proof cylinder 15 is balanced. The floating ball 13 is placed in the wave prevention cylinder 15, the floating ball 13 floats on the liquid level of the ore pulp, and the wave prevention cylinder 15 can reduce the influence of the fluctuation of the ore pulp on the floating ball 13 and improve the fluctuation resistance of the floating ball 13. The box body 1 is provided with a measuring mechanism 5, and the measuring mechanism 5 is used for measuring the floating height of the floating ball 13 and further measuring the height of the liquid level in the box body 1. Measuring mechanism 5 is including slide bar 51 and grating ruler sensor 52, and slide bar 51 splices with floater 13, and the vertical setting of slide bar 51 and the one end that slide bar 51 kept away from floater 13 wear out box 1, and grating ruler sensor 52 installs on slide bar 51, and grating ruler sensor 52 is used for measuring the distance that slide bar 51 removed along vertical direction.

Referring to fig. 4, in order to reduce the influence of foam on the measurement accuracy of the float 13, a rotating disc 143 is coaxially welded on the rotating shaft 31, a connecting rod 142 is hinged on the rotating disc 143, and the distance from one end of the connecting rod 142 facing the rotating disc 143 to the axis of the rotating disc 143 is greater than 0. The piston 141 is connected to the one end that the carousel 143 was kept away from to connecting rod 142, and the welding has a water injection section of thick bamboo 14 on the box 1 lateral wall, and piston 141 and a water injection section of thick bamboo 14 sliding connection, the intercommunication has inlet tube 144 and outlet pipe 145 on the water injection section of thick bamboo 14, and the one end that the inlet tube 144 was kept away from the water injection section of thick bamboo 14 stretches into the ore pulp, and the one end that the outlet pipe 145 was kept away from the water injection section of thick bamboo 14 passes through-hole 151 and sets up towards floater 13, is convenient for wash floater 13. In order to improve the water injection efficiency of the water injection cartridge 14, a second one-way valve 1441 is installed on the water inlet pipe 144, and the second one-way valve 1441 is used for preventing ore pulp in the water injection cartridge 14 from being discharged out of the water injection cartridge 14; the outlet pipe 145 is provided with a first one-way valve 1451, and the first one-way valve 1451 is used for preventing ore pulp from entering the water injection barrel 14 from the outlet pipe 145, so that the operation is convenient.

Referring to fig. 1 and 5, a driving mechanism 4 is installed on the box body 1, the driving mechanism 4 includes a first shutter 41 and a driving member 43, the first shutter 41 is slidably connected with a side wall of the box body 1, the driving member 43 includes a second motor 431, the second motor 431 is welded and fixed with the side wall of the box body 1, and the grating ruler sensor 52 is electrically connected with the second motor 431. A driving wheel 433 is coaxially welded on an output shaft of the second motor 431, a second support 435 is welded on the box body 1, a threaded sleeve 432 is rotatably connected on the second support 435, and the driving wheel 433 and the threaded sleeve 432 are driven through a driving belt 434. The threaded sleeve 432 is in threaded connection with a screw rod 42, and one end of the screw rod 42, which is far away from the threaded sleeve 432, is welded and fixed with the first gate 41. The side wall of the box body 1 is provided with a pulp inlet 11, and the first gate 41 is used for shielding the pulp inlet 11. During operation, grating chi sensor 52 changes displacement signal into the signal of telecommunication, and the output shaft of drive second motor 431 rotates, and then drives action wheel 433 and rotates, and action wheel 433 passes through drive belt 434 and drives swivel nut 432 and rotate, swivel nut 432 and screw rod 42 threaded connection, and then drives screw rod 42 and remove along vertical direction to drive first gate 41 and slide in the vertical direction, adjust the coincidence area of first gate 41 and entering thick liquid mouth 11, finally adjust the feeding volume of entering thick liquid mouth 11.

Referring to fig. 4, a grout outlet 12 is correspondingly formed in one side of the box body 1, which is back to the grout inlet 11, a second gate 46 is slidably connected to the side wall of the box body 1, which is provided with the grout outlet 12, the second gate 46 slides along the vertical direction, the second gate 46 is connected with the first gate 41 through two connecting ropes 44, and the two connecting ropes 44 are arranged in parallel. When the first gate 41 slides, the connecting rope 44 is driven to move, the connecting rope 44 drives the second gate 46 to slide towards the direction opposite to the first gate 41, and the first gate 41 and the second gate 46 realize dynamic balance through the connecting rope 44.

Referring to fig. 4, in order to make the connecting rope 44 move smoothly, the box body 1 is provided with an elastic member 45, in the embodiment of the present application, the elastic member 45 is a tension spring 451, one end of the tension spring 451 is welded and fixed to the box body 1, and the other end is welded and fixed to one end of the second gate 46 far away from the connecting rope 44. The pulling force pulling second gate 46 of extension spring 451 is kept away from the direction that the next year was saved and is slided, and then reduces second gate 46 and leads to the unable orientation of second gate 46 to keep away from the direction slip of connecting rope 44 because of ore pulp buoyancy is greater than self gravity, and convenient operation improves second gate 46's slip stability.

The implementation principle of the flotation machine liquid level automatic control device in the embodiment of the application is as follows: during operation, an operator firstly adds a foaming agent into the mixing drum 25, starts the first motor 21, the output shaft of the first motor 21 rotates to drive the main shaft 22 to rotate, on one hand, the main shaft 22 drives the stirring shaft 23 to rotate through the meshing of the main bevel gear 221 and the slave bevel gear 222, and then ore pulp is stirred, so that foam is discharged from the foam discharging pipe 252 of the mixing drum 25, and the foam enriches and floats mineral substances in the ore pulp on the liquid level of the ore pulp. On the other hand, the main shaft 22 drives the driving pulley 331 to rotate, the driving pulley 331 drives the driven pulley 332 to rotate through the belt body 333, the driven pulley 332 drives the rotating shaft 31 to rotate, the rotating shaft 31 drives the pulp sheet 32 to rotate, and then foams floating on the pulp liquid level are scraped out of the box body 1, so that labor is saved.

Meanwhile, the driven pulley 332 drives the rotating disc 143 to rotate, the rotating disc 143 drives the piston 141 to slide in the water injection cylinder 14 in a reciprocating manner through the connecting rod 142, the pressure in the water injection cylinder 14 is changed, ore slurry in the tank body 1 is sucked into the water injection cylinder 14 through the water inlet pipe 144, then the surface of the floating ball 13 is washed through the water outlet pipe 145, and the influence of foam on the surface of the floating ball 13 on the floating height of the floating ball 13 is reduced.

When the liquid level of ore pulp in the box 1 reduces, floater 13 descends and then makes the vertical lapse of slide rod 51, grating chi sensor 52 changes displacement signal into the output shaft rotation of signal of telecommunication drive second motor 431, the output shaft rotation of second motor 431 drives the action wheel 433 and rotates, the action wheel 433 drives swivel nut 432 through drive belt 434 and rotates, swivel nut 432 and screw rod 42 threaded connection, and then drive the vertical lapse of first gate 41, reduce the coincidence area of entering thick liquid mouth 11 and first gate 41, and then increase the volume of advancing thick liquid of entering thick liquid mouth 11. Meanwhile, the first gate 41 descends to drive the second gate 46 to vertically slide upwards through the connecting rope 44, the overlapping area of the second gate 46 and the pulp outlet 12 is increased, the pulp outlet amount of the pulp outlet 12 is reduced, the pulp inlet amount is larger than the pulp outlet amount, the liquid level of pulp in the box body 1 is made to rise, the pulp sheet 32 can scrape off foam on the liquid level of the pulp conveniently, operation is convenient, and resources are saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a flotation device liquid level automatic control device, includes box (1), be equipped with rabbling mechanism (2) and scrape bubble mechanism (3), its characterized in that on box (1): rabbling mechanism (2) are used for stirring the ore pulp in box (1), scrape bubble mechanism (3) and be used for scraping out box (1) with the foam on the ore pulp liquid level, be equipped with into thick liquid mouth (11) and go out thick liquid mouth (12) on box (1), be equipped with on box (1) and be used for controlling actuating mechanism (4) of entering thick liquid mouth (11) feed volume, be equipped with floater (13) in box (1), floater (13) float on the ore pulp liquid level, be equipped with on box (1) and be used for measuring mechanism (5) of floater (13) floating height, measuring mechanism (5) are connected with actuating mechanism (4).

2. The automatic liquid level control device of the flotation machine according to claim 1, characterized in that: actuating mechanism (4) include first gate (41) and screw rod (42), first gate (41) and box (1) sliding connection, screw rod (42) and box (1) threaded connection, screw rod (42) and first gate (41) fixed connection, be equipped with on box (1) and be used for driving screw rod (42) pivoted driving piece (43).

3. The automatic liquid level control device of the flotation machine according to claim 2, characterized in that: sliding connection has second gate (46) on box (1), fixedly connected with connects rope (44) on second gate (46), connect one end and first gate (41) fixed connection that second gate (46) were kept away from in rope (44), be equipped with on box (1) and be used for driving second gate (46) towards keeping away from connecting gliding elastic component (45) of rope (44) direction.

4. The automatic liquid level control device of the flotation machine according to claim 2, characterized in that: measuring mechanism (5) are including slide bar (51), slide bar (51) and box (1) sliding connection, the one end and the floater (13) of slide bar (51) are connected, and box (1) is worn out to the other end, be equipped with grating chi sensor (52) on slide bar (51), grating chi sensor (52) are connected with driving piece (43) electricity.

5. The automatic liquid level control device of the flotation machine according to claim 1, characterized in that: scrape bubble mechanism (3) including axis of rotation (31) and thick liquid piece (32), axis of rotation (31) are rotated with box (1) and are connected, thick liquid piece (32) are along the radial setting of axis of rotation (31), the one end and the foam butt of axis of rotation (31) are kept away from in thick liquid piece (32), be equipped with on box (1) and be used for driving axis of rotation (31) pivoted adjusting part (33).

6. The automatic liquid level control device of the flotation machine according to claim 5, characterized in that: the adjusting component (33) comprises a driving pulley (331) and a driven pulley (332), the driven pulley (332) is coaxially and fixedly connected with the rotating shaft (31), the driving pulley (331) is rotatably connected with the box body (1), and the driving pulley (331) and the driven pulley (332) realize transmission through a belt body (333).

7. The automatic liquid level control device of the flotation machine according to claim 6, characterized in that: be equipped with water injection section of thick bamboo (14) on box (1), water injection section of thick bamboo (14) sliding connection has piston (141), coaxial fixedly connected with carousel (143) on driven pulley (332), it has connecting rod (142) to articulate on carousel (143), the one end that carousel (143) were kept away from in connecting rod (142) is articulated with piston (141), be equipped with inlet tube (144) and outlet pipe (145) on water injection section of thick bamboo (14), outlet pipe (145) mouth of pipe sets up towards floater (13).

8. The automatic liquid level control device of the flotation machine according to claim 7, characterized in that: the water inlet pipe (144) is provided with a second one-way valve (1441) for preventing ore pulp from being discharged out of the water injection cylinder (14).

9. The automatic liquid level control device of the flotation machine according to claim 1, characterized in that: the wave prevention device is characterized in that a wave prevention barrel (15) is arranged on the box body (1), the floating ball (13) is located in the wave prevention barrel (15), and a plurality of through holes (151) used for balancing the internal and external water pressure difference of the wave prevention barrel (15) are formed in the wave prevention barrel (15).