CN214459175U

CN214459175U - Retrieve thick liquids clarification plant

Info

Publication number: CN214459175U
Application number: CN202120443209.0U
Authority: CN
Inventors: 卜建成
Original assignee: Hangzhou Lin'an Wanli Paper Co ltd
Current assignee: Hangzhou Lin'an Wanli Paper Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-22
Anticipated expiration: 2031-03-01

Abstract

The application relates to a recovered slurry purifying device, which comprises a stirring tank and a filtering tank; the side wall of the stirring tank is provided with a stirring mechanism for stirring the slurry in the inner cavity of the stirring tank; a material conveying pipe for communicating the stirring tank with the filtering tank is fixed on the inner bottom wall of the stirring tank; the inner bottom wall of the stirring tank is movably connected with a movable plate for opening and closing a pipe orifice of the material conveying pipe in the stirring tank; the periphery of the delivery pipe in the filter tank is rotatably connected with a filter cartridge, and a plurality of filter holes are formed in the periphery of the filter cartridge; the side wall of the filter tank is provided with a driving mechanism for driving the filter cartridge to rotate; the lateral wall of the filter tank is provided with a cleaning mechanism for cleaning the filtered materials in the filter cartridge. This application has the effect that improves production efficiency.

Description

Retrieve thick liquids clarification plant

Technical Field

The application relates to the field of recovery equipment, in particular to recovered slurry purification equipment.

Background

The paper making is one of four novel practical uses in China, and comprises a mechanism and a manual mode, wherein the mechanism is continuously carried out on the paper making machine, the manual mode uses a frame with a bamboo curtain, a polyester net or a copper net to make fibers dispersed and suspended in water into wet paper sheets in the process of preparing pulp, the pulp needs to be screened and recovered, and large-particle sizing materials are filtered out, so that the quality of the paper is improved.

The patent with the publication number of CN209006118U discloses a sizing material recovery and purification device for white cardboard, which comprises a shell, wherein a screen cavity is fixed at the bottom of the shell, a U-shaped block is fixedly connected to the left side wall in the screen cavity, and the top and the bottom of the inner wall of the U-shaped block are respectively and fixedly connected with a primary screen and a fine screen through rotating shafts; the right side of just screen cloth and smart screen cloth all pegs graft with linking piece, it has the stuck bolt to peg graft in the right side of piece to link up, the right side fixedly connected with of stuck bolt extends to the gag lever post in the sieve chamber outside, the right side fixedly connected with pull handle of gag lever post, the spring that is located between sieve intracavity portion and the linking piece right side has been cup jointed in the outside of gag lever post, the top right side fixed mounting in sieve chamber has servo motor, servo motor's output passes through shaft coupling fixedly connected with runner, the outside winding of runner has the stay cord, the bottom of stay cord extends to the inside fixedly connected with of sieve chamber and links up the piece.

In view of the above-mentioned related art, the inventor believes that although the primary screen and the fine screen can filter large-particle size, in continuous production, because the two ends of the primary screen and the fine screen are respectively connected with the U-shaped block and the connecting block, and cross over the screen cavity, the screen holes of the primary screen and the fine screen are easily blocked in production. The primary screen and the fine screen are turned over by a clamping bolt and a servo motor, residues on the primary screen and the fine screen are removed, and the primary screen and the fine screen are reset, so that the production can be continued, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve production efficiency, the application provides a retrieve thick liquids clarification plant.

The application provides a retrieve thick liquids clarification plant adopts following technical scheme:

a recovered slurry purifying device comprises a stirring tank and a filtering tank; the side wall of the stirring tank is provided with a stirring mechanism for stirring the slurry in the inner cavity of the stirring tank; a material conveying pipe for communicating the stirring tank with the filtering tank is fixed on the inner bottom wall of the stirring tank; the inner bottom wall of the stirring tank is movably connected with a movable plate for opening and closing a pipe orifice of the material conveying pipe in the stirring tank; the periphery of the delivery pipe in the filter tank is rotatably connected with a filter cartridge, and a plurality of filter holes are formed in the periphery of the filter cartridge; the side wall of the filter tank is provided with a driving mechanism for driving the filter cartridge to rotate; the lateral wall of the filter tank is provided with a cleaning mechanism for cleaning the filtered materials in the filter cartridge.

Through adopting above-mentioned technical scheme, behind the rabbling mechanism reached the stirring time of regulation, open closed mouth of pipe through the fly leaf, the thick liquids in the agitator tank are along defeated pipeline flow to the inner chamber of cartridge filter, start actuating mechanism, and the cartridge filter rotates, filters the thick liquids to the cartridge filter in. On the one hand, through the pivoted cartridge filter, change the filter surface, make the production operation continuous, reduce the clean step of cartridge filter in the production process to improve production efficiency, on the other hand after production, clean the cartridge filter in the cartridge filter again, improve the efficiency that follow-up production filtered the thick liquid.

Optionally, the driving mechanism comprises a rotating shaft coaxially fixed at one end of the filter cartridge and a reset motor fixed on the outer side wall of the filter tank; one end of the rotating shaft, which is far away from the filter cartridge, is coaxially fixed at one end of the rotating shaft of the reset motor, which penetrates through the side wall of the filter tank.

Through adopting above-mentioned technical scheme, start reset motor, the axis of rotation rotates and drives the cartridge filter rotation of connecting in conveying pipeline week side. Reset motor's setting, the resetting of the follow-up production of being convenient for drive cartridge filter after stopping, the clearance of the follow-up clearance mechanism to the cartridge filter of being convenient for of resetting of cartridge filter.

Optionally, the cleaning mechanism comprises an air cylinder fixed on the outer side wall of the filter tank, a push sheet fixed on the end part of a piston rod of the air cylinder, a first turnover sheet hinged to one end of the filter cartridge facing the air cylinder, and a second turnover sheet hinged to one end of the filter cartridge far away from the air cylinder; the side wall of the push piece is fixedly provided with bristles which are abutted against the inner side wall of the filter cylinder; the end of the filter cylinder facing the air cylinder and the end of the filter cylinder far away from the air cylinder are both provided with a discharge hole, and the first turnover piece and the second turnover piece are opened and closed at the discharge hole; the side walls of the first turnover sheet and the second turnover sheet are both fixed with magnetic suction pieces which are sucked on the side walls of the filter cartridges; a waste material port is formed in one side of the filter tank, which is far away from the air cylinder; a material collecting hopper is fixed on the inner side wall of the filtering tank at the position corresponding to the waste material port; the outer side wall of the filtering tank is movably connected with a movable cover for opening and closing the waste material port.

Through adopting above-mentioned technical scheme, after production, reset motor resets, start the cylinder, the piston rod of cylinder stretches out, the push jack promotes first upset piece, the brush hair butt is in the inside wall of cartridge filter, along with lasting stretching out of cylinder piston rod, the brush hair pushes away the filtration thing in the cartridge filter to second upset piece, the upset of second upset piece, the filtration thing in the cartridge filter drops to the collection hopper in, remove the movable cover and open closed waste material mouth, the filtration thing in the collection hopper shifts out and filters the jar and collect outward, realize the effect of the filtration thing in the clearance cartridge filter. The setting of piece is inhaled to magnetism, reduces the risk of cartridge filter in the upset of the first upset piece of pivoted in-process and second upset piece, improves the filter effect of cartridge filter.

Optionally, a flange which is turned over towards the outer side wall of the filter cartridge is fixed at the edge of the filter cartridge at one end of the second turning piece; the side wall of the second turnover sheet is obliquely provided with a contact surface abutted with the turned edge; the magnetic piece of the second turnover piece is fixed on the contact surface.

Through adopting above-mentioned technical scheme, when the brush hair released the discharge gate that is located second upset piece position department with the filtration thing in the cartridge filter, through turn-ups direction, reduced the filtration thing in the cartridge filter and dropped the risk to filtering the jar inner chamber, improved clearance mechanism's clean effect.

Optionally, the cleaning mechanism further comprises an air bag fixed on the outer side wall of the filter tank, an electromagnetic pulse valve fixed on the outer side wall of the air bag, and a pulse tube fixed at the air outlet end of the electromagnetic pulse valve; one end of the pulse pipe, which is far away from the electromagnetic pulse valve, penetrates through the side wall of the filter tank and extends into the inner cavity of the filter tank; and one end of the pulse tube, which is positioned in the filter tank, is provided with a nozzle facing the circumferential side of the filter cylinder.

By adopting the technical scheme, the electromagnetic pulse valve is electrified, and compressed air in the air bag flows into the pulse tube through the electromagnetic pulse valve and is sprayed to the peripheral side of the filter cylinder through the nozzle. Through electromagnetic pulse valve and pulse tube, the compressed air of nozzle jetting will block up the inner chamber that filters the thing and insufflates the cartridge filter in cartridge filter week side filter hole, reduces the risk that the filter hole blockked up, improves the filter effect of cartridge filter.

Optionally, a communicating pipe parallel to the axis of the filter cartridge is fixed at one end of the pulse tube in the filter tank; the communicating pipe is communicated with the pulse pipe; the number of the nozzles is multiple; the plurality of nozzles are fixed to the circumferential side of the communication pipe.

Through adopting above-mentioned technical scheme, the setting of a plurality of nozzles improves the jetting area of nozzle, shortens the circular telegram time of electromagnetic pulse valve, improves the clean efficiency of clearance mechanism to clean a section of thick bamboo.

Optionally, the electromagnetic pulse valve is electrically connected to the reset motor.

Through adopting above-mentioned technical scheme, after reset motor starts, the circular telegram of electromagnetic pulse valve starts, through the nozzle to the all sides jetting compressed air of cartridge filter, reduces the risk that the filter orifice blockked up in the production process, improves the filter effect of cartridge filter, reduces the time of starting electromagnetic pulse valve alone simultaneously, improves production efficiency.

Optionally, an electric push rod electrically connected to the driving mechanism is fixed to the side wall of the stirring tank; the end surface of the push rod of the electric push rod is fixedly connected with the side wall of the movable plate.

Through adopting above-mentioned technical scheme, start electric putter, actuating mechanism receives electric putter's start signal, and actuating mechanism starts, and electric putter's push rod contracts, and the movable rod removes and opens the mouth of pipe of closed, and actuating mechanism drives the cartridge filter and rotates. Through the driving mechanism and the electric push rod which are connected in a communication mode, the steps of starting the driving mechanism are reduced, and the production efficiency is improved.

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

1. on one hand, the filter cartridge is rotated to change the filter surface, so that the production operation is continuous, and the step of cleaning the filter cartridge in the production process is reduced, thereby improving the production efficiency, and on the other hand, after the production is finished, the filter cartridge in the filter cartridge is cleaned, thereby improving the efficiency of filtering slurry in the subsequent production;

2. the arrangement of the reset motor is convenient for the air cylinder to push the filtered substances in the filter cartridge to the collecting hopper through the push sheet and move out of the filter tank, so that the effect of cleaning the filtered substances in the filter cartridge is realized;

3. through electromagnetic pulse valve and pulse tube, the compressed air of nozzle jetting will block up the filtrating thing in cartridge filter week side filter hole, insufflates the inner chamber of cartridge filter, reduces the risk that the filter hole blockked up, improves the filter effect of cartridge filter.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the agitation tank and the filtration tank according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a cleaning mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a stirring tank; 11. a feed pipe; 12. a movable plate; 2. a filter tank; 21. a discharge pipe; 22. a waste material port; 3. a stirring mechanism; 31. rotating the motor; 32. a stirring blade; 4. a delivery pipe; 5. an electric push rod; 6. a filter cartridge; 61. a filtration pore; 62. a discharge port; 63. flanging; 7. a drive mechanism; 71. a rotating shaft; 72. resetting the motor; 8. a cleaning mechanism; 81. a cylinder; 82. pushing the sheet; 821. brushing; 83. a first flip sheet; 84. a second flip sheet; 841. a contact surface; 85. a magnetic member; 86. air bags; 87. an electromagnetic pulse valve; 88. a pulse tube; 881. a communicating pipe; 89. a nozzle; 9. a collection hopper; 10. a movable cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a recovered slurry purifying device. Referring to fig. 1 and 2, the recovered slurry purifying equipment comprises a stirring tank 1 and a filtering tank 2, wherein a feeding pipe 11 for conveying materials to an inner cavity of the stirring tank 1 is fixed on the side wall of the stirring tank 1. The side wall of the stirring tank 1 is provided with a stirring mechanism 3 for stirring the slurry in the inner cavity of the stirring tank 1. The inner bottom wall of the stirring tank 1 is fixed with a material conveying pipe 4 for communicating the stirring tank 1 with the filtering tank 2, and the inner bottom wall of the stirring tank 1 is connected with a movable plate 12 for opening and closing the pipe orifice of the material conveying pipe 4 in the stirring tank 1 in a sliding manner. An electric push rod 5 is fixed on the outer side wall of the stirring tank 1, a push rod of the electric push rod 5 extends into the inner cavity of the stirring tank 1, and the end part of the push rod of the electric push rod 5 is fixedly connected with the side wall of the movable plate 12. A discharge pipe 21 for discharging the slurry in the filter tank 2 is fixed to the outer side wall of the filter tank 2. And (3) closing the stirring mechanism 3, starting the electric push rod 5, contracting the push rod of the electric push rod 5, opening the closed pipe orifice by the movable plate 12, and allowing the slurry completely stirred in the stirring tank 1 to flow into the filter tank 2 along the material conveying pipe 4 for filtering operation.

Referring to fig. 2, the stirring mechanism 3 includes a rotating motor 31 fixed on the outer top wall of the stirring tank 1 and a stirring blade 32 fixed on the peripheral side of the rotating shaft of the rotating motor 31, and the rotating shaft of the rotating motor 31 vertically penetrates through the side wall of the stirring tank 1 and extends into the inner cavity of the stirring tank 1. The stirring blade 32 is fixed to the rotating shaft of the rotating motor 31 on the circumferential side inside the stirring tank 1. The rotating motor 31 is started, the feeding pipe 11 conveys the slurry to the inner cavity of the stirring tank 1, the stirring blades 32 stir the slurry, after the stirring time is reached, the rotating motor 31 is closed, the electric push rod 5 is started, and the completely-stirred slurry can flow into the filtering tank 2 through the conveying pipe 4 to be filtered.

Referring to fig. 2, a filter cartridge 6 is rotatably connected to the feed pipe 4 at the inner side of the filter tank 2, and a plurality of filter holes 61 are formed at the inner side of the filter cartridge 6. The side wall of the filter tank 2 is provided with a driving mechanism 7 for driving the filter cartridge 6 to rotate and a cleaning mechanism 8 for cleaning the filtered materials in the filter cartridge 6. And starting the driving mechanism 7, and filtering the slurry completely stirred through the rotating filter cylinder 6 after the slurry in the conveying pipe 4 flows into the filter cylinder 6. After production, alright start clearance mechanism 8 clears up the filtrating thing in the cartridge filter 6, and subsequent thick liquids of being convenient for are filtered.

Referring to fig. 2, the driving mechanism 7 includes a rotating shaft 71 coaxially fixed at one end of the filter cartridge 6 and a reset motor 72 fixed on the outer side wall of the filter tank 2, and one end of the rotating shaft 71 far away from the filter cartridge 6 and one end of the reset motor 72, the rotating shaft of which penetrates through the side wall of the filter tank 2, are coaxially connected through a coupler. The reset motor 72 is electrically connected to the electric putter 5. The electric push rod 5 is started, the reset motor 72 receives a starting signal of the electric push rod 5, the reset motor 72 is started, the rotation of the reset motor 72 drives the filter cartridge 6 to rotate through the rotating shaft 71, the steps of starting the driving mechanism 7 are reduced, and the production efficiency is improved.

Referring to fig. 3, clearance mechanism 8 is including being fixed in the cylinder 81 of filter tank 2 lateral wall, being fixed in the push jack 82 of cylinder 81 piston rod tip, articulating in cartridge filter 6 towards the first upset piece 83 of cylinder 81 one end and articulating in cartridge filter 6 and keeping away from the second upset piece 84 of cylinder 81 one end, and discharge gate 62 has all been seted up to the one end that wherein cartridge filter 6 faces cylinder 81 and deviates from the one end of cylinder 81. The edge of the filter cartridge 6 at one end of the second turnover piece 84 is fixed with a flange 63 turned over toward the outer side wall of the filter cartridge 6.

Referring to fig. 3, the projection of the push piece 82 along the expansion and contraction direction of the cylinder 81 is semicircular, and bristles 821 abutting against the inner side wall of the filter cartridge 6 are fixed to the arc surface of the push piece 82. The side walls of the first and

second turnover sheets

83 and 84 are fixed with magnetic attraction pieces 85 attracted to the side walls of the filter cartridge 6, and the discharge port 62 is covered by the first and

second turnover sheets

83 and 84 through the magnetic attraction pieces 85. The side wall of the second flip piece 84 is obliquely provided with a contact surface 841 having a slope identical to that of the flange 63, the contact surface 841 and the side wall of the flange 63 are in a mutually abutting relationship, and the magnetic member 85 of the side wall of the second flip piece 84 is fixed to the contact surface 841.

Referring to fig. 3, a waste opening 22 is formed in one side of the filter tank 2 away from the cylinder 81, a material collecting hopper 9 is fixed at a position corresponding to the waste opening 22 on the inner side wall of the filter tank 2, and one end of the material collecting hopper 9 away from the waste opening 22 extends to the lower side of the flange 63. The outer side wall of the filter tank 2 is movably connected with a movable cover 10 for opening and closing the waste material opening 22, the movable connection mode can be bolt connection, magnetic connection or sliding connection, and the movable cover 10 has the effect of opening and closing the waste material opening 22.

Referring to fig. 2 and 3, in the present embodiment, in order to improve the cleaning effect of the cleaning mechanism 8 and the filtering effect of the filter cartridge 6, an air bag 86 for storing compressed air is fixed to an outer side wall of the filter cartridge 2, an electromagnetic pulse valve 87 electrically connected to the reset motor 72 is fixed to an outer side wall of the air bag 86, and a pulse tube 88 is fixed to an outlet end of the electromagnetic pulse valve 87. The end of the pulse tube 88 far away from the electromagnetic pulse valve 87 passes through the side wall of the filter tank 2 and extends into the inner cavity of the filter tank 2, a communicating pipe 881 parallel to the axis of the filter cartridge 6 is fixed at the end of the pulse tube 88 in the filter tank 2, and the communicating pipe 881 is communicated with the pulse tube 88. It should be noted that the length of the communication pipe 881 is equal to the axial length of the filter cartridge 6.

Referring to fig. 2 and 3, a plurality of nozzles 89 facing the circumferential side of filter cartridge 6 are fixed to the circumferential side of communication pipe 881, and a plurality of nozzles 89 are arranged at equal intervals on the circumferential side of communication pipe 881 in the axial direction of communication pipe 881. After reset motor 72 starts, electromagnetic pulse valve 87 receives reset motor 72's start signal, and electromagnetic pulse valve 87 circular telegram starts, through nozzle 89 to the week side jetting compressed air of cartridge filter 6, reduces the risk that filtration pore 61 blockked up in the production process, improves the filter effect of cartridge filter 6, reduces the time of starting electromagnetic pulse valve 87 alone simultaneously, improves production efficiency.

The implementation principle of the recovered slurry purifying equipment in the embodiment of the application is as follows:

when the production is started, the rotating motor 31 is started, then the feeding pipe 11 conveys the slurry to the inner cavity of the stirring tank 1, and the stirring blade 32 stirs the slurry. After the stirring time is reached, the rotating motor 31 is turned off, the electric push rod 5 is started, the reset motor 72 receives a starting signal of the electric rod, and the reset motor 72 is started to drive the filter cartridge 6 to rotate. After the reset motor 72 is started, the electromagnetic pulse valve 87 receives a start signal of the reset motor 72, the electromagnetic pulse valve 87 is energized and started, and compressed air is blown to the peripheral side of the filter cartridge 6 through the nozzle 89. The slurry completely stirred in the stirring tank 1 flows into the rotating filter cylinder 6 along the material conveying pipe 4 for filtering, and the filtered slurry falls to the bottom wall of the filter tank 2 through the filter holes 61 and is discharged to the next manufacturing process through the discharge pipe 21.

After production is finished, the reset motor 72 is closed, the reset motor 72 resets, the air cylinder 81 is started, a piston rod of the air cylinder 81 extends out, the pushing piece 82 pushes the first turnover piece 83, the first turnover piece 83 turns over towards the inner cavity of the filter cylinder 6, the bristles 821 abut against the inner side wall of the filter cylinder 6, along with continuous extension of the piston rod of the air cylinder 81, the bristles 821 push the filter matters in the filter cylinder 6 to the second turnover piece 84 and push the second turnover piece 84 to turn over, the filter matters in the filter cylinder 6 fall into the collecting hopper 9 through the guide of the flanging 63, the closed waste material port 22 is opened by the movable cover 10, the filter matters in the collecting hopper 9 move out of the filter tank 2 to be collected, and the cleaning operation of the filter matters in the filter cylinder 6 is completed.

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. A recovery slurry clarification plant which characterized in that: comprises a stirring tank (1) and a filtering tank (2); the side wall of the stirring tank (1) is provided with a stirring mechanism (3) for stirring the slurry in the inner cavity of the stirring tank (1); a material conveying pipe (4) for communicating the stirring tank (1) with the filtering tank (2) is fixed on the inner bottom wall of the stirring tank (1); the inner bottom wall of the stirring tank (1) is movably connected with a movable plate (12) for opening and closing a pipe orifice of the material conveying pipe (4) in the stirring tank (1); the periphery of the conveying pipe (4) positioned in the filter tank (2) is rotatably connected with a filter cylinder (6), and a plurality of filter holes (61) are formed in the periphery of the filter cylinder (6); a driving mechanism (7) for driving the filter cartridge (6) to rotate is mounted on the side wall of the filter tank (2); the side wall of the filter tank (2) is provided with a cleaning mechanism (8) used for cleaning the filtered materials in the filter cartridge (6).

2. The recycled slurry purifying apparatus as claimed in claim 1, wherein: the driving mechanism (7) comprises a rotating shaft (71) coaxially fixed at one end of the filter cylinder (6) and a reset motor (72) fixed on the outer side wall of the filter tank (2); one end of the rotating shaft (71) far away from the filter cartridge (6) is coaxially fixed at one end of the rotating shaft of the reset motor (72) penetrating through the side wall of the filter tank (2).

3. The recycled slurry purifying apparatus as claimed in claim 2, wherein: the cleaning mechanism (8) comprises an air cylinder (81) fixed on the outer side wall of the filter tank (2), a push sheet (82) fixed at the end part of a piston rod of the air cylinder (81), a first turnover sheet (83) hinged to one end, facing the air cylinder (81), of the filter cylinder (6) and a second turnover sheet (84) hinged to one end, far away from the air cylinder (81), of the filter cylinder (6); bristles (821) which are abutted against the inner side wall of the filter cylinder (6) are fixed on the side wall of the push piece (82); the end, facing the air cylinder (81), of the filter cylinder (6) and the end, deviating from the air cylinder (81), of the filter cylinder (6) are both provided with a discharge hole (62), and the first turnover piece (83) and the second turnover piece (84) are opened and closed on the discharge hole (62); the side walls of the first turnover sheet (83) and the second turnover sheet (84) are both fixed with a magnetic part (85) which is attracted to the side wall of the filter cylinder (6); a waste material port (22) is formed in one side, away from the air cylinder (81), of the filter tank (2); a collecting hopper (9) is fixed on the inner side wall of the filter tank (2) at the position corresponding to the waste port (22); the outer side wall of the filter tank (2) is movably connected with a movable cover (10) for opening and closing the waste material port (22).

4. A recycled slurry purification apparatus as claimed in claim 3, wherein: a flange (63) which is turned over towards the outer side wall of the filter cartridge (6) is fixed on the edge of the filter cartridge (6) at one end of the second turning piece (84); the side wall of the second turnover sheet (84) is obliquely provided with a contact surface (841) abutted against the flanging (63); and the magnetic suction piece (85) of the second turnover sheet (84) is fixed on the contact surface (841).

5. A recycled slurry purification apparatus as claimed in claim 3, wherein: the cleaning mechanism (8) further comprises an air bag (86) fixed on the outer side wall of the filter tank (2), an electromagnetic pulse valve (87) fixed on the outer side wall of the air bag (86) and a pulse pipe (88) fixed at the air outlet end of the electromagnetic pulse valve (87); one end of the pulse pipe (88), which is far away from the electromagnetic pulse valve (87), penetrates through the side wall of the filter tank (2) and extends into the inner cavity of the filter tank (2); and one end of the pulse tube (88) in the filter tank (2) is provided with a nozzle (89) facing the circumferential side of the filter cylinder (6).

6. The recycled slurry purifying apparatus as recited in claim 5, wherein: one end of the pulse tube (88) positioned in the filter tank (2) is fixed with a communicating pipe (881) parallel to the axis of the filter cylinder (6); the communicating pipe (881) is communicated with the pulse pipe (88); the number of the nozzles (89) is plural; the plurality of nozzles (89) are fixed to the circumferential side of the communication pipe (881).

7. The recycled slurry purifying apparatus as recited in claim 5, wherein: the electromagnetic pulse valve (87) is electrically connected to the reset motor (72).

8. The recycled slurry purifying apparatus as claimed in claim 1, wherein: an electric push rod (5) electrically connected with a driving mechanism (7) is fixed on the side wall of the stirring tank (1); the end surface of the push rod of the electric push rod (5) is fixedly connected with the side wall of the movable plate (12).