CN215692032U

CN215692032U - Mining emulsion returns liquid and filters station

Info

Publication number: CN215692032U
Application number: CN202122371366.8U
Authority: CN
Inventors: 徐道合; 李宗志; 盛丽
Original assignee: Beijing Ruifei Zhichen Water Treatment Equipment Co ltd
Current assignee: Beijing Ruifei Zhichen Water Treatment Equipment Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-01
Anticipated expiration: 2031-09-28

Abstract

The utility model belongs to the field of mining emulsion, in particular to a mining emulsion return filtering station, which aims at solving the problems that the emulsion flowing out from the existing underground coal mine hydraulic support is too dirty and directly flows back to an emulsion tank without being filtered, and the service life of the hydraulic support is greatly damaged, and provides the following scheme, which comprises a base and a shell, wherein the bottom of the shell is fixedly connected with the top of the base, a partition plate is fixedly connected in the shell, both sides of the partition plate are fixedly connected with a first filter screen, and the top of the shell is symmetrically provided with a liquid inlet pipe. The filtering effect is improved.

Description

Mining emulsion returns liquid and filters station

Technical Field

The utility model relates to the technical field of mining emulsion, in particular to a mining emulsion return filtering station.

Background

The working medium of the mining hydraulic support is emulsion, and the quality of the emulsion has great influence on the service life of each hydraulic cylinder, each valve bank and the whole hydraulic system of the hydraulic support.

The existing underground coal mine hydraulic support is too dirty in effluent emulsion, and the effluent emulsion directly flows back to an emulsion tank without being filtered, so that the service life of the hydraulic support can be greatly damaged, and a mine emulsion return filtration station is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, the emulsion flowing out of the existing underground coal mine hydraulic support is too dirty and directly flows back to an emulsion tank without being filtered, and the service life of the hydraulic support is greatly damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the mining emulsion return filtering station comprises a base and a shell, wherein the bottom of the shell is fixedly connected with the top of the base, a partition plate is fixedly connected in the shell, first filter screens are fixedly connected to two sides of the partition plate, liquid inlet pipes are symmetrically arranged at the top of the shell, two liquid inlet pipes are arranged, fixing plates are fixedly connected to the bottoms of two sides of the partition plate, filter cylinders are fixedly connected to the tops of the two fixing plates, second filter screens are arranged in the two filter cylinders, liquid inlet pipes are arranged at the tops of the two filter cylinders, liquid outlet pipes are arranged at the bottoms of two sides of the shell, rectangular boxes are fixedly connected to the two filter cylinders, power components are arranged in the two rectangular boxes, an impact plate is connected to the power components in a transmission manner, one side of the impact plate extends into the filter cylinders and is fixedly connected with impact blocks, and one side of the impact blocks is attached to one side of the second filter screens, can carry out dual filtration to the emulsion through first filter screen and second filter screen, effectively solve the dirty problem of emulsion that hydraulic support flowed, filter fineness is high, can effectively satisfy the liquid requirement of hydraulic support to the emulsion, can prevent simultaneously through power component that first filter screen and second filter screen from taking place to block up, have improved the filter effect.

Preferably, the power assembly comprises a driving motor, a rotary table, two connecting plates and a rectangular plate, the rear side of the driving motor is fixedly connected with the rear wall of the rectangular box, the rotary table is fixedly sleeved at the front end of an output shaft of the driving motor, the two connecting plates are symmetrically and fixedly connected to the outer side of the rotary table, rollers are arranged on the two connecting plates, the other side of the impact plate extends into the rectangular box, the bottom of the rectangular plate is fixedly connected with the top of the impact plate, the rollers are in rolling connection with one side of the rectangular plate, the bottom of the impact plate is fixedly connected with a sliding plate, one side of the sliding plate is symmetrically and fixedly connected with two springs, one ends of the two springs are fixedly connected with the inner wall of one side of the rectangular box, the driving motor can enable the rotary table to rotate anticlockwise, and the rollers on the two connecting plates can be alternately contacted with the rectangular plate, under the effect of spring, can make the striking board move the striking piece and strike to the second filter screen for the second filter screen takes place vibrations, thereby can drop attached to the impurity on the second filter screen, prevents that the second filter screen from blockking up, influences the filter effect.

Preferably, all be equipped with the manometer on admission pipe and the fluid-discharge tube, the manometer designs for the trichromatic instruction, and the manometer can be used for monitoring the pressure of straining a section of thick bamboo and advancing, go out the liquid, conveniently judges the filter core jam degree of filtering station.

Preferably, one side of straining a section of thick bamboo is equipped with the blow off pipe, be equipped with spherical stop valve on the blow off pipe, the one side bottom fixedly connected with swash plate of straining a section of thick bamboo, the top of swash plate and the opposite side looks butt of second filter screen can conveniently carry out the blowdown through the blow off pipe, and the blow off pipe still can regard as the pressure release mouth of straining a section of thick bamboo to use, can make the blow off pipe be connected with the outside through spherical stop valve, and the model of spherical stop valve is KJ 13.

Preferably, the bottom fixedly connected with baffle of first filter screen, the baffle is two, and the bottom of two baffles all with strain the top fixed connection of section of thick bamboo, two baffles can carry on spacingly to the emulsion after first filter screen filters for the emulsion can accurate flow to go into the liquid intraductal.

Preferably, the rear wall of the rectangular box is respectively and rotatably connected with a first supporting shaft and a second supporting shaft, the front ends of the first supporting shaft and the second supporting shaft are respectively and fixedly sleeved with a first gear and a second gear which are meshed with each other, the output shaft of the driving motor and the first supporting shaft are respectively and fixedly sleeved with a first belt pulley, the two first belt pulleys are in transmission connection with a first belt, the front side surfaces of the first gear and the second gear are respectively provided with a transmission rod, the two transmission rods are hinged with each other, one ends of the two transmission rods, which are far away from each other, are respectively and rotatably connected with a connecting rod, a rack is arranged in the rectangular box, one side of the rack is fixedly connected with a transverse plate, one ends of the two connecting rods are respectively and rotatably connected with the transverse plate, the top inner wall of the shell is symmetrically and rotatably connected with a rotating shaft, the rotating shafts are two, and the top inner wall of the shell is symmetrically and rotatably connected with a connecting shaft, the connecting shafts are two, the rotating shaft and the connecting shaft are fixedly sleeved with second belt pulleys, the two second belt pulleys are connected with a second belt in a transmission mode, the bottom end of the connecting shaft extends into the rectangular box and is fixedly connected with a third gear, the third gear is meshed with the rack, the bottom end of the rotating shaft is fixedly connected with a cleaning brush, the bottom of the cleaning brush is attached to the top of the first filter screen, an output shaft of a driving motor can enable the first supporting shaft to rotate anticlockwise through the two first belt pulleys and the first belt, further enable the first gear to rotate anticlockwise, the first gear is meshed with the second gear, further enable the second gear to rotate clockwise, enable the rack to move transversely in a reciprocating mode through the action of the driving rod and the connecting rod, enable the connecting shaft to rotate in a reciprocating mode under the action of the third gear, and enable the connecting shaft to pass through the two second belt pulleys and the second belt, can make the pivot drive cleaning brush reciprocating rotation, cleaning brush can carry out reciprocating brushing to first filter screen and move, prevents that first filter screen from taking place to block up, reduces the filter effect.

Preferably, the inner wall of the bottom of the rectangular box is provided with a sliding groove, the bottom of the sliding plate is in sliding connection with the inner wall of the bottom of the sliding groove, and the sliding groove can enable the sliding plate to move more smoothly.

Preferably, the bottom fixedly connected with limiting plate of rack, the bottom of limiting plate and the bottom inner wall sliding connection of rectangle case, the limiting plate can support the rack, and can make the rack remove more firmly.

Has the advantages that: can filter great impurity in the emulsion through first filter screen, can filter the emulsion once more through the second filter screen, and the aperture of second filter screen is less than first filter screen, can filter tiny impurity in the emulsion like this, make and filter more thoroughly, can separate into two regions with the casing through the baffle, all be equipped with filter assembly in two regions, and set up two feed liquor pipes and drain pipe, can be one with one and be equipped with, convenient to use and maintenance.

The rotary disc can rotate anticlockwise through the driving motor in the power assembly, the rollers on the two connecting plates can alternately contact with the rectangular plate, the impact plate can drive the impact block to impact the second filter screen under the action of the spring, so that the second filter screen vibrates, impurities attached to the second filter screen can be fallen off, the second filter screen is prevented from being blocked, and the filtering effect is influenced, the output shaft of the driving motor can enable the first supporting shaft to rotate anticlockwise through the two first belt pulleys and the first belt, and further enable the first gear to rotate anticlockwise, because the first gear is meshed with the second gear, the second gear can rotate clockwise, the rack can transversely reciprocate through the action of the driving rod and the connecting rod, the connecting shaft can reciprocate through the action of the third gear, and the connecting shaft can pass through the two second belt pulleys and the second belt, can make the pivot drive cleaning brush reciprocating rotation, cleaning brush can carry out reciprocating brushing to first filter screen and move, prevents that first filter screen from taking place to block up, reduces the filter effect.

The double-filter hydraulic support has the advantages that the structure is reasonable, the operation is convenient, the double-filter hydraulic support can be used for filtering the emulsion through the first filter screen and the second filter screen, the problem that the emulsion flowing out of the hydraulic support is dirty is effectively solved, the filtering precision is high, the requirement of the hydraulic support on the emulsion can be effectively met, meanwhile, the first filter screen and the second filter screen can be prevented from being blocked through the power assembly, and the filtering effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of a main view of a mine emulsion return filtering station provided by the utility model;

FIG. 2 is a schematic main sectional structural view of a mining emulsion return filtering station provided by the utility model;

FIG. 3 is a schematic cross-sectional structural view of a rectangular box of the emulsion return filtering station for mining, which is provided by the utility model;

fig. 4 is a schematic partial side view of the emulsion return filtering station for mine according to the present invention.

In the figure: the cleaning device comprises a shell 1, a partition plate 2, a first filter screen 3, a limiting plate 4, a filter cylinder 5, a second filter screen 6, a liquid inlet pipe 7, a liquid outlet pipe 8, a rectangular box 9, a striking plate 10, a liquid inlet pipe 11, a baffle plate 12, a sewage discharge pipe 13, a driving motor 14, a rotating disc 15, a connecting plate 16, a rectangular plate 17, a sliding plate 18, a pressure gauge 19, a first gear 20, a second gear 21, a transmission rod 22, a connecting rod 23, a rack 24, a connecting shaft 25, a third gear 26, a rotating shaft 27, a cleaning brush 28 and a chute 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, the mining emulsion return filtering station comprises a base and a casing 1, wherein the bottom of the casing 1 is fixedly connected with the top of the base, two box doors are arranged on the casing 1, and both the two box doors are provided with observation windows, the casing 1 can be opened through the box doors for convenient maintenance, a partition plate 2 is fixedly connected in the casing 1, the casing 1 can be divided into two regions through the partition plate 2, filter assemblies are arranged in both the two regions, and two liquid inlet pipes 11 and two liquid outlet pipes are arranged for one use and convenient use and maintenance, both sides of the partition plate 2 are fixedly connected with a first filter screen 3, the first filter screen 3 can filter larger impurities in the emulsion, the top of the casing 1 is symmetrically provided with two liquid inlet pipes 11, both the bottoms of both sides of the partition plate 2 are fixedly connected with fixing plates, and both the tops of both the fixing plates are fixedly connected with filter cartridges 5, a second filter screen 6 is arranged in each of the two filter cylinders 5, the aperture of each second filter screen 6 is smaller than that of each first filter screen 3, each second filter screen 6 can filter fine impurities in the emulsion, a liquid inlet pipe 7 is arranged at the top of each filter cylinder 5, a liquid outlet pipe 8 is arranged at the bottom of each filter cylinder 5, liquid outlet pipes are arranged at the bottoms of two sides of the shell 1, rectangular boxes 9 are fixedly connected to each filter cylinder 5, power assemblies are arranged in the rectangular boxes 9, impact plates 10 are connected to the power assemblies in a transmission manner, one sides of the impact plates 10 extend into the filter cylinders 5 and are fixedly connected with impact blocks, one sides of the impact blocks are attached to one sides of the second filter screens 6, each power assembly comprises a driving motor 14, a rotary table 15, a connecting plate 16 and a rectangular plate 17, the rear side of the driving motor 14 is fixedly connected with the rear wall of the rectangular boxes 9, the rotary table 15 is fixedly sleeved at the front ends of output shafts of the driving motor 14, the output shaft of the driving motor 14 can rotate the rotary table 15, two connecting plates 16 are provided, two connecting plates 16 are symmetrically and fixedly connected to the outer side of the rotary table 15, rollers are arranged on the two connecting plates 16, the other side of the impact plate 10 extends into the rectangular box 9, the bottom of the rectangular plate 17 is fixedly connected with the top of the impact plate 10, the rollers are in rolling connection with one side of the rectangular plate 17, the bottom of the impact plate 10 is fixedly connected with a sliding plate 18, one side of the sliding plate 18 is symmetrically and fixedly connected with two springs, one ends of the two springs are fixedly connected with the inner wall of one side of the rectangular box 9, the springs can provide resetting power for the sliding plate 18 and the impact plate 10 so as to conveniently impact the second filter screen 6, a first supporting shaft and a second supporting shaft are respectively and rotatably connected to the rear wall of the rectangular box 9, and a first gear 20 and a second gear 21 are respectively and fixedly sleeved at the front ends of the first supporting shaft and the second supporting shaft, the first gear 20 is engaged with the second gear 21, the output shaft of the driving motor 14 and the first supporting shaft are fixedly sleeved with first belt pulleys, the two first belt pulleys are in transmission connection with first belts, the first supporting shaft can synchronously rotate with the output shaft of the driving motor 14 through the first belt pulleys and the first belts, the front side surfaces of the first gear 20 and the second gear 21 are respectively provided with a transmission rod 22, the two transmission rods 25 are hinged with each other, the ends, far away from each other, of the two transmission rods 25 are respectively in transmission connection with a connecting rod 23 in a rotating way, a rack 24 is arranged in the rectangular box 9, one side of the rack 24 is fixedly connected with a transverse plate, one ends of the two connecting rods 23 are respectively in transmission connection with the transverse plate in a rotating way, the inner wall of the top of the shell 1 is symmetrically and rotatably connected with two rotating shafts 27, the inner wall of the top of the shell 1 is symmetrically and rotatably connected with two connecting shafts 25, the two connecting shafts 25 are respectively, the rotating shafts 27 and the connecting shafts 25 are respectively provided with second belt pulleys, the two second belt pulleys are connected with a second belt in a transmission way, the bottom end of the connecting shaft 25 extends into the rectangular box 9 and is fixedly connected with a third gear 26, the third gear 26 is meshed with the rack 24, when the rack 24 moves transversely, the third gear 26 can rotate, the bottom end of the rotating shaft 27 is fixedly connected with a cleaning brush 28, the bottom of the cleaning brush 28 is attached to the top of the first filter screen 3, larger impurities in the emulsion can be filtered through the first filter screen 3, the emulsion can be filtered again through the second filter screen 6, the aperture of the second filter screen 6 is smaller than that of the first filter screen 3, so that fine impurities in the emulsion can be filtered, the filtration is more thorough, the shell 1 can be divided into two areas through the partition plate 2, the two areas are respectively provided with a filter assembly, and the two liquid inlet pipes 11 and the liquid outlet pipes are arranged, so that the two belt pulleys can be used and maintained at once and are convenient to use and overhaul, the rotary disc 15 can rotate anticlockwise through the driving motor 14 in the power assembly, the rollers on the two connecting plates 16 can alternately contact with the rectangular plate 17, the impact plate 10 can drive the impact block to impact the second filter screen 6 in a reciprocating manner under the action of the spring, so that the second filter screen 6 vibrates, impurities attached to the second filter screen 6 can be separated, the second filter screen 6 is prevented from being blocked, and the filtering effect is influenced, the output shaft of the driving motor 14 can drive the first supporting shaft to rotate anticlockwise through the two first belt pulleys and the first belt, so that the first gear 20 can rotate anticlockwise, as the first gear 20 is meshed with the second gear 21, the second gear 21 can rotate clockwise, through the action of the driving rod 22 and the connecting rod 23, the rack 24 can transversely reciprocate, under the action of the third gear 26, the utility model has the advantages that the structure is reasonable, the operation is convenient, the emulsion can be doubly filtered through the first filter screen 3 and the second filter screen 6, the problem of dirt of the emulsion flowing out of the hydraulic support is effectively solved, the filtering precision is high, the requirement of the hydraulic support on the emulsion can be effectively met, meanwhile, the first filter screen 3 and the second filter screen 6 can be prevented from being blocked through the power assembly, and the filtering effect is improved.

In the utility model, the liquid inlet pipe 7 and the liquid outlet pipe 8 are both provided with the pressure gauge 19, the pressure gauge 19 is designed to be a three-color indication, and the pressure gauge 19 can be used for monitoring the liquid inlet pressure and the liquid outlet pressure of the filter cylinder 5, thereby being convenient for judging the filter element blockage degree of the filter station.

According to the utility model, a drain pipe 13 is arranged on one side of the filter cylinder 5, a spherical stop valve is arranged on the drain pipe 13, an inclined plate is fixedly connected to the bottom of one side of the filter cylinder 5, the top of the inclined plate is abutted against the other side of the second filter screen 6, sewage can be conveniently discharged through the drain pipe 13, the drain pipe 13 can also be used as a pressure relief opening of the filter cylinder 5, the drain pipe 13 can be connected with the outside through the spherical stop valve, and the spherical stop valve is KJ 13.

According to the utility model, the bottom of the first filter screen 3 is fixedly connected with the two baffles 12, the bottoms of the two baffles 12 are fixedly connected with the top of the filter cylinder 5, and the two baffles 12 can limit the emulsion filtered by the first filter screen 3, so that the emulsion can accurately flow into the liquid inlet pipe 7.

In the utility model, the inner wall of the bottom of the rectangular box 9 is provided with the sliding chute 29, the bottom of the sliding plate 18 is in sliding connection with the inner wall of the bottom of the sliding chute 29, and the sliding chute 29 can enable the sliding plate 18 to move more smoothly.

According to the utility model, the limiting plate 4 is fixedly connected to the bottom of the rack 24, the bottom of the limiting plate 4 is slidably connected with the inner wall of the bottom of the rectangular box 9, the rack 24 can be supported by the limiting plate 4, and the rack 24 can be more stably moved.

The working principle is as follows: the casing 1 can be divided into two areas by the partition board 2, the two areas are respectively provided with the filtering component, and are provided with the two liquid inlet pipes 11 and the two liquid outlet pipes, so that the two areas can be used and maintained, when the filtering is needed, firstly, the emulsion is guided in by the liquid inlet pipes 11, the first filter screen 3 can filter larger impurities in the emulsion, the filtered emulsion can enter the filter cylinder 5 through the liquid inlet pipe 7, the emulsion can be filtered again by the second filter screen 6, because the aperture of the second filter screen 6 is smaller than that of the first filter screen 3, the emulsion can be filtered more thoroughly, the emulsion after being filtered again can be discharged through the liquid outlet, the driving motor 14 can be started during the filtering, the output shaft of the driving motor 14 can enable the rotary disc 15 to rotate anticlockwise, the rotary disc 15 can enable the two connecting plates 16 to rotate anticlockwise, the idler wheels on the connecting plate 16 at the bottom can push the rectangular plate 17 to move inwards, thereby the striking plate 10 can move towards the rectangular box 9, the two springs can be pulled through the sliding plate 18, when the roller on the connecting plate 16 is separated from the rectangular plate 17, the striking plate 10 can rapidly move outwards under the action of the two springs, so that the striking block can strike the second filter screen 6, the second filter screen 6 can vibrate, thereby the impurities attached on the second filter screen 6 can be dropped off, the second filter screen 6 is prevented from being blocked, the filtering effect is influenced, because the drain pipe 13 is arranged, the drain pipe 13 can be connected with the outside through the spherical stop valve, and further the sewage can be conveniently discharged, the output shaft of the driving motor 14 can pass through the two first belt pulleys and the first belt, the first supporting shaft can be rotated anticlockwise, and further the first gear 20 can be rotated anticlockwise, because the first gear 20 is meshed with the second gear 21, and further the second gear 21 can be rotated clockwise, through the effect of transfer line 22 and connecting rod 23, can make rack 24 horizontal reciprocating motion, under the effect of third gear 26, can make connecting axle 25 reciprocating rotation, connecting axle 25 can be through two second pulleys and second belt, can make pivot 27 drive cleaning brush 28 reciprocating rotation, cleaning brush 28 can brush first filter screen 3 reciprocating, prevent that first filter screen 3 from taking place to block up, reduce the filter effect, through the dual filtration of first filter screen 3 and second filter screen 6, can be more thorough to emulsion filtration, make things convenient for follow-up use, because all be equipped with manometer 19 on admission pipe 7 and the fluid-discharge tube 8, can be used to monitor the entering of straining a section of thick bamboo 5, go out the pressure of liquid, conveniently judge filter station filter core jam degree.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The mining emulsion return filtering station comprises a base and a shell (1), and is characterized in that the bottom of the shell (1) is fixedly connected with the top of the base, a partition plate (2) is fixedly connected in the shell (1), first filter screens (3) are fixedly connected on two sides of the partition plate (2), two liquid inlet pipes (11) are symmetrically arranged on the top of the shell (1), fixing plates are fixedly connected on the bottoms of two sides of the partition plate (2), filter cylinders (5) are fixedly connected on the tops of the two fixing plates, second filter screens (6) are arranged in the two filter cylinders (5), liquid inlet pipes (7) are arranged on the tops of the two filter cylinders (5), liquid discharge pipes (8) are arranged on the bottoms of two sides of the shell (1), and rectangular boxes (9) are fixedly connected on the two filter cylinders (5), all be equipped with power component in two rectangle casees (9), power component goes up the transmission and is connected with striking board (10), one side of striking board (10) extends to and strains in section of thick bamboo (5) and fixedly connected with striking piece, and one side of striking piece is laminated mutually with one side of second filter screen (6).

2. The mining emulsion return filtering station according to claim 1, wherein the power assembly comprises a driving motor (14), two rotating discs (15), two connecting plates (16) and a rectangular plate (17), the rear side of the driving motor (14) is fixedly connected with the rear wall of the rectangular box (9), the rotating discs (15) are fixedly sleeved at the front end of the output shaft of the driving motor (14), the two connecting plates (16) are symmetrically and fixedly connected to the outer side of the rotating discs (15), the two connecting plates (16) are respectively provided with a roller, the other side of the impact plate (10) extends into the rectangular box (9), the bottom of the rectangular plate (17) is fixedly connected with the top of the impact plate (10), the rollers are connected with one side of the rectangular plate (17) in a rolling manner, the bottom of the impact plate (10) is fixedly connected with a sliding plate (18), and two springs are symmetrically and fixedly connected to one side of the sliding plate (18), and one ends of the two springs are fixedly connected with the inner wall of one side of the rectangular box (9).

3. The mining emulsion return filtering station according to claim 1, characterized in that a pressure gauge (19) is arranged on each of the liquid inlet pipe (7) and the liquid outlet pipe (8), and the pressure gauge (19) is designed to indicate by three colors.

4. The mining emulsion return filtering station according to claim 1, characterized in that a drain pipe (13) is arranged on one side of the filter cartridge (5), a spherical stop valve is arranged on the drain pipe (13), an inclined plate is fixedly connected to the bottom of one side of the filter cartridge (5), and the top of the inclined plate abuts against the other side of the second filter screen (6).

5. The mining emulsion returning and filtering station according to claim 1, characterized in that the bottom of the first filter screen (3) is fixedly connected with two baffles (12), and the bottoms of the two baffles (12) are fixedly connected with the top of the filter cartridge (5).

6. The mining emulsion return filtering station according to claim 2, characterized in that a first supporting shaft and a second supporting shaft are respectively and rotatably connected to the rear wall of the rectangular box (9), a first gear (20) and a second gear (21) are respectively and fixedly sleeved at the front ends of the first supporting shaft and the second supporting shaft, the first gear (20) and the second gear (21) are engaged with each other, a first belt pulley is fixedly sleeved on the output shaft of the driving motor (14) and the first supporting shaft, a first belt is rotatably connected to the two first belt pulleys, a transmission rod (22) is respectively arranged on the front side surface of each of the first gear (20) and the second gear (21), the two transmission rods (25) are mutually hinged, a connecting rod (23) is rotatably connected to the end, far away from each other, of the two transmission rods (25), a rack (24) is arranged in the rectangular box (9), one side of the rack (24) is fixedly connected with a transverse plate, one end of each of the two connecting rods (23) is rotatably connected with the transverse plate, the inner wall of the top of the shell (1) is symmetrically and rotatably connected with two rotating shafts (27), the number of the rotating shafts (27) is two, the inner wall of the top of the shell (1) is symmetrically and rotatably connected with a connecting shaft (25), two connecting shafts (25) are provided, second belt pulleys are fixedly sleeved on the rotating shaft (27) and the connecting shafts (25), second belts are connected to the two second belt pulleys in a transmission manner, the bottom end of the connecting shaft (25) extends into the rectangular box (9) and is fixedly connected with a third gear (26), the third gear (26) is meshed with the rack (24), the bottom end of the rotating shaft (27) is fixedly connected with a cleaning brush (28), the bottom of the cleaning brush (28) is attached to the top of the first filter screen (3).

7. The mining emulsion return filtering station according to claim 2, characterized in that a sliding groove (29) is formed in the bottom inner wall of the rectangular box (9), and the bottom of the sliding plate (18) is slidably connected with the bottom inner wall of the sliding groove (29).

8. The mining emulsion return filtering station according to claim 3, characterized in that a limiting plate (4) is fixedly connected to the bottom of the rack (24), and the bottom of the limiting plate (4) is slidably connected to the inner wall of the bottom of the rectangular box (9).