CN115196795B

CN115196795B - Chemical plant sewage purification treatment device

Info

Publication number: CN115196795B
Application number: CN202211113736.0A
Authority: CN
Inventors: 刘福来; 刘振明; 杨新利
Original assignee: Shandong Hongyuan New Material Technology Co ltd
Current assignee: Shandong Hongyuan New Material Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-06
Anticipated expiration: 2042-09-14
Also published as: CN115196795A

Abstract

The invention relates to the technical field of sewage purification, in particular to chemical plant sewage purification treatment equipment which comprises a filter box, wherein the left side and the right side of the outer surface of the lower end of the filter box are symmetrically and fixedly connected with supporting legs, the left side of the outer surface of the front end of the filter box is fixedly connected with a water inlet pipe, the inner surface of the water inlet pipe is communicated with the inner side of the filter box, the left side in the filter box is provided with a rotating assembly, the rotating assembly comprises a rotating shaft which is rotatably connected with the left end of the filter box, the outer surface of the rotating shaft is positioned between the left side of a partition plate III and the filter box and is fixedly connected with blades, and the inner surface of the filter box is vertically and fixedly connected with a partition plate I and a partition plate III. According to the sewage treatment device, the stirring assembly is arranged, the rotating shaft is used for driving the blades to rotate so as to stir sewage, and the flocculating agent is automatically added into the sewage, so that the flocculating agent and the sewage are fully mixed, impurities in the sewage are adsorbed and precipitated more thoroughly, and the quality of sewage purification treatment is effectively improved.

Description

Chemical plant sewage purification treatment device

Technical Field

The invention relates to the technical field of sewage purification, in particular to chemical plant sewage purification treatment equipment.

Background

The industrial wastewater comprises production wastewater, production sewage and cooling water, and refers to wastewater and waste liquid generated in the industrial production process, wherein the wastewater and the waste liquid contain industrial production materials, intermediate products, byproducts and pollutants generated in the production process, which are lost along with water. The industrial wastewater has various types and complex components, and because the industrial wastewater contains various toxic substances, the polluted environment has great harm to the health of human beings, so the industrial wastewater needs to be developed and comprehensively utilized, turns the harm into the benefit, and can be discharged after being treated by adopting corresponding purification measures according to the components and the concentration of pollutants in the wastewater;

the Chinese patent with the publication number of 201410184143.2 discloses a sewage purification system, which comprises a first dosing device, a second dosing device, a third dosing device, a coagulation tank, a flocculation tank, a filtering device and a liquid storage tank. The first dosing device and the second dosing device are both communicated with the coagulation tank through pipelines; the third dosing device is communicated with the flocculation tank through a pipeline; the coagulation tank is communicated with the flocculation tank through a pipeline. The system can effectively purify sewage and has short period; the water quality of the purified sewage reaches the discharge standard, and can be recycled according to production requirements, so that the application range is wide;

although this sewage purification system can purify sewage through processes such as add medicine, flocculation and filtration, in the in-service use process, the sediment that impurity smugglied secretly in the sewage and flocculation produced causes the jam and the clearance of being inconvenient for very easily to filter equipment, can influence sewage purification's efficiency and quality in the past for a long time.

Therefore, a chemical plant sewage purification treatment device is provided.

Disclosure of Invention

The invention aims to provide a chemical plant sewage purification treatment device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage purification treatment device of chemical plant, includes the rose box, rose box lower extreme surface left and right sides symmetry fixedly connected with landing leg, rose box front end surface left side fixedly connected with inlet tube, the inlet tube internal surface communicates with each other with the rose box is inboard, the inside left side of rose box is provided with rotating assembly, rotating assembly includes the pivot of being connected with the rose box left end rotation, the pivot surface is located fixedly connected with blade between three left sides of baffle and the rose box, rose box internal surface perpendicular fixedly connected with baffle one and baffle three, baffle three is located baffle one left side, the pivot right-hand member runs through baffle one, baffle three and is connected with baffle one, baffle three rotation respectively, the gap has been seted up to three surface downside of baffle, the stirring subassembly right side is provided with the clearance subassembly, the pivot right-hand member is provided with scrapes the subassembly.

Preferably, the rotating shaft is internally provided with a through groove, the rotating shaft outer surface is fixedly connected with a sealing ring on the left side, the rotating shaft outer surface is provided with a notch on the upper portion on the left side, and the notch penetrates through the sealing ring and is communicated with the through groove in the rotating shaft.

Preferably, the outer surface of the sealing ring is rotatably connected with a rotating sleeve, the upper end of the outer surface of the rotating sleeve is fixedly connected with a feeding box, the feeding box is internally hollow and communicated with the inside of the rotating sleeve, a first air pipe is embedded in the blade, one end of the first air pipe is communicated with the through groove, and the other end of the first air pipe penetrates through the blade.

Preferably, the cleaning assembly comprises a connecting rod rotatably connected with the outer surface of the rotating shaft, a scraping blade is fixedly connected to the right end of the connecting rod, a second air pipe is installed on the inner side of the connecting rod in an embedded mode, a nozzle is installed in the scraping blade in an embedded mode, the left end of the nozzle is communicated with the inside of the first air pipe, a guide pipe is arranged in the through groove, a gate valve is fixedly connected to the left end of the inner surface of the guide pipe, and the right end of the guide pipe is communicated with the inner side of the second air pipe.

Preferably, the lower end of the inner surface of the filter box is fixedly connected with a second partition plate, the second partition plate is positioned under the first partition plate, a filter screen is fixedly connected between the first partition plate and the second partition plate, and the scraping blade is positioned on the left side of the filter screen.

Preferably, the outer surface of the right end of the filter screen is symmetrically and fixedly connected with a spring, the right end of the spring is fixedly connected with a bottom plate, and the outer surface of the bottom plate is fixedly connected with the first partition plate and the second partition plate respectively.

Preferably, a guide plate is fixedly connected to the outer surface of the right end of the partition plate, the guide plate is obliquely arranged, the other end of the guide plate is fixedly connected with the lower end of the inner surface of the filter box, and a sewage discharge pipe is fixedly connected to the lower end of the inner surface of the filter box.

Preferably, the scraping component comprises a reciprocating screw rod fixedly connected with the right end of the rotating shaft, the outer surface of the reciprocating screw rod is rotatably connected with a moving pipe, a supporting plate is fixedly connected between the right side of the partition plate and the right end of the inner surface of the filtering box, and a filtering membrane is fixedly connected to the middle of the supporting plate.

Preferably, it is connected with the commentaries on classics cover to remove the pipe surface rotation, it is connected with pivot one to change cover surface upper end rotation, a pivot surface upper end is rotated and is connected with the bracing piece, the bracing piece right-hand member is rotated and is connected with even axle two, even axle two is located the bracing piece top, even axle external surface upside is rotated and is connected with and wipes the board, it is connected with pivot three to wipe the board right-hand member rotation, three upper ends in pivot and filtration membrane fixed connection.

Preferably, the right end of the reciprocating screw rod is rotatably connected with a motor, the upper side of the outer surface of the right end of the filter box is fixedly connected with a drain pipe, and the drain pipe is communicated with the inner side of the filter box.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the sewage treatment device, the stirring assembly is arranged, the rotating shaft is used for driving the blades to rotate, so that sewage is stirred, and the flocculating agent is automatically added into the sewage, so that the flocculating agent and the sewage are fully mixed, impurities in the sewage are adsorbed and precipitated more thoroughly, and the quality of sewage purification treatment is effectively improved;

2. by arranging the cleaning component, the surface of the filter screen can be continuously cleaned in the sewage purification process, and meanwhile, the filter screen can be automatically cleaned by a cleaning agent, so that the service life of the filter screen can be greatly prolonged while the sewage filtration quality is improved;

3. according to the invention, the scraping component is arranged, the surface of the filtering membrane is wiped by utilizing the reciprocating screw rod, the scraping plate and other components, so that the permeability of the filtering membrane is ensured, and meanwhile, the scraping plate rotates below the filtering membrane to disturb water flow, so that residual impurities in water are prevented from being adsorbed on the surface of the filtering membrane.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a left side view of the overall construction of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a structural view of the rotating sleeve and the rotating shaft of the present invention;

FIG. 5 is a structural view of the moving tube and the reciprocating screw according to the present invention;

FIG. 6 is a structural view of the blade and link of the present invention;

FIG. 7 is an enlarged view of the invention at B of FIG. 3;

FIG. 8 is an enlarged view at C of FIG. 7 in accordance with the present invention;

fig. 9 is an enlarged view at D in fig. 3 according to the present invention.

Description of reference numerals:

1. a stirring assembly; 11. a blade; 12. a rotating shaft; 13. a notch; 14. a seal ring; 15. rotating the sleeve; 16. a feeding box; 17. a first air pipe; 18. a through groove; 19. a motor; 2. cleaning the assembly; 21. filtering with a screen; 22. a conduit; 23. a connecting rod; 24. a second trachea; 25. a squeegee; 26. a nozzle; 27. a gate valve; 28. a base plate; 29. a spring; 3. a wiper assembly; 30. a reciprocating screw rod; 31. moving the tube; 32. a sleeve; 33. a first rotating shaft; 34. a support bar; 35. a second rotating shaft; 36. wiping the board; 37. a rotating shaft III; 38. a filtration membrane; 39. a support plate; 4. a filter box; 5. a support leg; 6. a water outlet pipe; 7. a water inlet pipe; 8. a first clapboard; 9. a second clapboard; 41. a guide plate; 42. a blow-off pipe; 44. a third clapboard; 45. and (4) an overflow port.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

the utility model provides a sewage purification treatment device of chemical plant, includes rose box 4, the symmetrical fixedly connected with landing leg 5 in 4 lower extreme surface left and right sides of rose box, 4 front end surface left sides fixedly connected with inlet tube 7 of rose box, the internal surface of inlet tube 7 communicates with each other with rose box 4 is inboard, the inside left side of rose box 4 is provided with stirring subassembly 1, stirring subassembly 1 includes the pivot 12 of being connected with rose box 4 left end rotation, 12 surfaces of pivot are located fixedly connected with blade 11 between three 44 left sides of baffle and the

rose box

4, 4 internal surface perpendicular fixedly connected with baffle one 8 and three 44 of baffle in the rose box, three 44 of baffle are located 8 left sides of baffle, the 12 right-hand member of pivot runs through baffle one 8, baffle three 44 and is connected with baffle one 8, baffle three 44 rotation respectively, overflow mouth 45 has been seted up to three 44 external surfaces downside of baffle 1 right side of stirring subassembly is provided with clearance subassembly 2, the 12 right-hand member of pivot is provided with scrapes away subassembly 3.

Through groove 18 has been seted up to pivot 12 inside, 12 surface left sides fixedly connected with sealing washer 14 of pivot, notch 13 has been seted up on 12 surface left sides upper portion of pivot, notch 13 runs through sealing washer 14 and is linked together with the inside through groove 18 of

pivot

12, 14 surface rotations of sealing washer are connected with and change cover 15, change 15 surface upper end fixedly connected with feeding case 16 of cover, feeding case 16 is inside to be hollow structure and with change the inside intercommunication in cover 15, blade 11 is inside embedded to be installed trachea one 17, trachea one 17 one end and the through groove 18 other end that communicates with each other runs through in blade 11.

Through adopting above-mentioned technical scheme, sewage gets into 4 left side tank rooms of rose box from inlet tube 7, stirring subassembly 1 drives blade 11 through pivot 12 and stirs sewage, pivot 12 left side axle head is located changes cover 15 inside and rotates with changeing cover 15 and be connected, the flocculating agent is equipped with in the feeding case 16, along with the rotation of pivot 12, notch 13 on the pivot 12 is located feeding case 16 under, the flocculating agent in feeding case 16 passes through notch 13 and gets into logical groove 18 in the pivot 12, sealing washer 14 can effectively reduce the overflow of flocculating agent, then the flocculating agent flows into in the sewage through trachea one 17, make flocculating agent and sewage intensive mixing through the stirring of blade 11 again, thereby make impurity in the sewage deposit, and then effectively improve the efficiency of impurity flocculation, it deposits to get into three 44 right side tank rooms of baffle through overflow mouth 45 on baffle three 44 with the sewage that the flocculating agent mixes, clearance subassembly 2 clears up the impurity that adheres to the surface at filter screen 21, thereby avoid filter screen 21 to block up and influence the filterable efficiency of sewage.

As an embodiment of the present invention, as shown in fig. 3, 6, 7, 8 and 9, the cleaning assembly 2 includes a connecting rod 23 rotatably connected to an outer surface of the rotating shaft 12, a scraper 25 is fixedly connected to a right end of the connecting rod 23, a second air pipe 24 is embedded in the connecting rod 23, a nozzle 26 is embedded in the scraper 25, a left end of the nozzle 26 is communicated with an interior of the first air pipe 17, a guide pipe 22 is disposed in the through groove 18, a gate valve 27 is fixedly connected to a left end of an inner surface of the guide pipe 22, and a right end of the guide pipe 22 is communicated with an interior of the second air pipe 24.

Through adopting above-mentioned technical scheme, it is rotatory in step to drive connecting rod 23 when pivot 12 rotates, thereby connecting rod 23 drives scraper blade 25 and rotates and scrape the cleaning to filter screen 21 surface through scraper blade 25, operator's accessible gate valve 27 injects the sanitizer into pipe 22 in simultaneously, then the sanitizer passes through two 24 nozzles 26 of trachea and sprays to filter screen 21 surface, carry out self-cleaning to filter screen 21 surface, thereby both reduced the work load of artifical clean filter screen 21, simultaneously through the regular cleaning to filter screen 21, sewage purification's efficiency and quality have been improved, and filter screen 21's life has been prolonged.

As an embodiment of the present invention, as shown in fig. 3 and 7, a second partition plate 9 is fixedly connected to a lower end of an inner surface of the filter box 4, the second partition plate 9 is located right below the first partition plate 8, a filter screen 21 is fixedly connected between the first partition plate 8 and the second partition plate 9, and the scraper 25 is located on the left side of the filter screen 21.

The outer surface of the right end of the filter screen 21 is symmetrically and fixedly connected with a spring 29, the right end of the spring 29 is fixedly connected with a bottom plate 28, and the outer surface of the bottom plate 28 is fixedly connected with a first partition plate 8 and a second partition plate 9 respectively.

Through adopting above-mentioned technical scheme, baffle 8 and two 9 messenger's sewage flow into right side case room after filtering again, filter screen 21 surface often has large granule impurity to adhere to, scraper blade 25 is when scraping filter screen 21 surface, large granule impurity damages scraper blade 25 and filter screen 21 very easily, spring 29 has been set up for this reason, when scraper blade 25 meets large granule impurity, filter screen 21 compression spring 29, reduce the pressure that scraper blade 25 and filter screen 21 received, thereby avoid scraper blade 25 and filter screen 21 to receive the damage.

As an embodiment of the invention, as shown in fig. 1 and 3, the outer surface of the right end of the first partition plate 8 is fixedly connected with a guide plate 41, the guide plate 41 is obliquely arranged, the other end of the guide plate 41 is fixedly connected with the lower end of the inner surface of the filter box 4, and the lower end of the inner surface of the filter box 4 is fixedly connected with a sewage discharge pipe 42.

The right end of the reciprocating screw rod 30 is rotatably connected with a motor 19, the upper side of the outer surface of the right end of the filter box 4 is fixedly connected with a water outlet pipe 6, and the water outlet pipe 6 is communicated with the inner side of the filter box 4.

Through adopting above-mentioned technical scheme, the reciprocal lead screw 30 of motor 19 electrically conductive operation drive rotates to drive pivot 12 synchronous revolution, through on the guide plate 41 can be fallen to the impurity of flocculation and precipitation, collect the clearance through blow off pipe 42 at last, the guide plate 41 that the slope set up can be convenient for clear up the precipitate, the water after the purification filtration passes through outlet pipe 6 and discharges.

As an embodiment of the invention, as shown in FIGS. 3 and 5, the wiping assembly 3 comprises a reciprocating screw rod 30 fixedly connected with the right end of the rotating shaft 12, a moving pipe 31 is rotatably connected to the outer surface of the reciprocating screw rod 30, a support plate 39 is fixedly connected between the right side of the first partition plate 8 and the right end of the inner surface of the filter box 4, and a filter membrane 38 is fixedly connected to the middle of the support plate 39.

Remove 31 outer surfaces of pipe and rotate and be connected with sleeve 32, sleeve 32 outer surface upper end fixedly connected with pivot 33, a 33 outer surface upper end of pivot rotates and is connected with bracing piece 34, bracing piece 34 right-hand member rotates and is connected with two 35 of pivot, two 35 of pivot are located bracing piece 34 top, two 35 outer surface upsides of pivot rotate and are connected with and wipe board 36, wipe board 36 right-hand member and rotate and be connected with three 37 of pivot, three 37 upper ends of pivot and filtration membrane 38 fixed connection.

Through adopting above-mentioned technical scheme, reciprocal lead screw 30 rotates and drives sleeve 32 left and right reciprocating motion through removing pipe 31, thereby drive a 33 synchronous motion of pivot, a 33 drive two 35 motions of pivot through bracing piece 34 in the pivot, thereby it is rotatory to make wiping 36 revolute three 37 of pivot, it cleans cleanly to filtration membrane 38's surface to wipe 36, guarantee filtration membrane 38's permeability, can carry out the disturbance to the water of filtration membrane 38 below simultaneously and avoid aquatic surplus impurity adsorption to filtration membrane 38 surface, can effectively filter the bacterium of aquatic through filtration membrane 38. Viruses and other impurities, thereby improving the sewage purification effect.

The working principle is as follows: sewage enters a left box chamber of a filter box 4 from a water inlet pipe 7, a stirring component 1 drives a blade 11 to stir the sewage through a rotating shaft 12, the left shaft end of the rotating shaft 12 is positioned inside a rotating sleeve 15 and is rotationally connected with the rotating sleeve 15, a flocculating agent is arranged in a feeding box 16, along with the rotation of the rotating shaft 12, when a notch 13 in the rotating shaft 12 is positioned under the feeding box 16, the flocculating agent in the feeding box 16 enters a through groove 18 in the rotating shaft 12 through the notch 13, a sealing ring 14 can effectively reduce the overflow of the flocculating agent, then the flocculating agent flows into the sewage through a first air pipe 17, the flocculating agent is fully mixed with the sewage through the stirring of the blade 11, so that impurities in the sewage are precipitated, and the impurity flocculation efficiency is effectively improved;

the rotating shaft 12 drives the connecting rod 23 to synchronously rotate when rotating, the connecting rod 23 drives the scraper 25 to rotate so as to scrape and clean the surface of the filter screen 21 through the scraper 25, meanwhile, an operator can inject a cleaning agent into the guide pipe 22 through the gate valve 27, then the cleaning agent is sprayed to the surface of the filter screen 21 from the nozzle 26 through the air pipe two 24, and the surface of the filter screen 21 is automatically cleaned, so that the workload of manually cleaning the filter screen 21 is reduced, meanwhile, the efficiency and the quality of sewage purification are improved through the periodical cleaning of the filter screen 21, the service life of the filter screen 21 is prolonged, the first partition plate 8 and the second partition plate 9 enable the sewage to flow into a right box chamber after being filtered, large-particle impurities tend to be attached to the surface of the filter screen 21, when the scraper 25 scrapes the surface of the filter screen 21, the large-particle impurities tend to damage the scraper 25 and the filter screen 21, and the spring 29 is arranged for this reason, when the scraper 25 encounters the large-particle impurities, the filter screen 21 compresses the spring 29, the pressure borne by the scraper 25 and the filter screen 21 is reduced, and the damage to the scraper 25 and the filter screen 21 is avoided;

reciprocating screw 30 rotates and drives sleeve 32 left and right reciprocating motion through removing pipe 31, thereby drive a pivot 33 synchronous motion, pivot 33 passes through bracing piece 34 and drives two 35 motions in the pivot, thereby it is rotatory about three 37 of pivot to make the board 36 of wiping, it cleans the cleanness on filtering membrane 38's surface to wipe board 36, guarantee filtering membrane 38's permeability, can carry out the disturbance to the water of filtering membrane 38 below simultaneously and avoid aquatic remaining impurity to adsorb on filtering membrane 38 surface, can effectively filter the bacterium of aquatic through filtering membrane 38. Impurities such as virus to improve sewage purification's effect, impurity through flocculation and precipitation can fall to deflector 41 on, collects the clearance through blow off pipe 42 at last, and the deflector 41 that the slope set up can be convenient for clear up the precipitate, and the water after the purification filtration passes through outlet pipe 6 and discharges.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a chemical plant sewage purification treatment device, includes rose box (4), its characterized in that: the left side and the right side of the outer surface of the lower end of the filter box (4) are symmetrically and fixedly connected with supporting legs (5), the left side of the outer surface of the front end of the filter box (4) is fixedly connected with a water inlet pipe (7), the inner surface of the water inlet pipe (7) is communicated with the inner side of the filter box (4), the left side inside the filter box (4) is provided with a stirring assembly (1), the stirring assembly (1) comprises a rotating shaft (12) rotatably connected with the left end of the filter box (4), the outer surface of the rotating shaft (12) is positioned between the left side of a partition plate III (44) and the filter box (4) and fixedly connected with blades (11), the inner surface of the filter box (4) is vertically and fixedly connected with a partition plate I (8) and a partition plate III (44), the partition plate III (44) is positioned on the left side of the partition plate I (8), the right end of the rotating shaft (12) penetrates through the partition plate I (8) and the partition plate III (44) and is respectively rotatably connected with the partition plate I (8) and the partition plate III (44), the lower side of the partition plate III (44) is provided with an overflow port (45), the right side of the stirring assembly (1) is provided with a cleaning assembly (2), the right end of the rotating shaft (12) is provided with a scraping assembly (3), the sealing ring (12), the outer surface of the rotating shaft (12) is fixedly connected with a sealing ring (14), notch (13) has been seted up on pivot (12) surface left side upper portion, notch (13) run through sealing washer (14) and are linked together with pivot (12) inside logical groove (18), sealing washer (14) surface rotates and is connected with commentaries on classics cover (15), change cover (15) surface upper end fixedly connected with feeding case (16), feeding case (16) inside be hollow structure and communicate with each other with commentaries on classics cover (15) inside, embedded trachea one (17) of installing in blade (11) inside, trachea one (17) one end communicates with each other the other end with logical groove (18) and runs through with blade (11), clearance subassembly (2) includes connecting rod (23) of being connected with pivot (12) surface rotation, connecting rod (23) right-hand member fixedly connected with scraper blade (25), trachea two (24) are installed to connecting rod (23) inboard embedded, nozzle (26) are installed to scraper blade (25) inside, nozzle (26) left end communicates with each other with trachea one (17) inside, be provided with pipe (22) in logical groove (18), left side pipe (22) internal surface fixedly connected with wipes away gate valve (27), pipe (22) and the inside fixed gate valve (30) of scraping of connecting screw rod (30) and the right-hand member (12), reciprocating screw rod (30) surface rotates to be connected with and removes pipe (31), fixedly connected with backup pad (39) between baffle (8) right side and rose box (4) internal surface right-hand member, backup pad (39) middle part fixedly connected with filtration membrane (38), it rotates to be connected with sleeve (32) to remove pipe (31) surface, sleeve (32) surface upper end rotates and is connected with pivot (33), pivot (33) surface upper end rotates and is connected with bracing piece (34), bracing piece (34) right-hand member rotates and is connected with pivot two (35), pivot two (35) are located bracing piece (34) top, pivot two (35) surface upside rotates and is connected with wipes board (36), wipe board (36) right-hand member rotates and is connected with pivot three (37), pivot three (37) upper end and filtration membrane (38) fixed connection, reciprocating screw rod (30) rotates and is connected with motor (19), rose box (4) right-hand member external surface upside fixedly connected with outlet pipe (6), outlet pipe (6) communicate with rose box (4) inboard.

2. The chemical plant sewage purification treatment device according to claim 1, wherein: filter tank (4) internal surface lower extreme fixedly connected with baffle two (9), baffle two (9) are located under baffle one (8), fixedly connected with filter screen (21) between baffle one (8) and baffle two (9), scraper blade (25) are located filter screen (21) left side.

3. The chemical plant sewage purification treatment device according to claim 2, wherein: the filter screen is characterized in that a spring (29) is symmetrically and fixedly connected to the outer surface of the right end of the filter screen (21), a bottom plate (28) is fixedly connected to the right end of the spring (29), and the outer surface of the bottom plate (28) is fixedly connected with the first partition plate (8) and the second partition plate (9) respectively.

4. The chemical plant sewage purification treatment device according to claim 3, wherein: the outer surface of the right end of the first partition plate (8) is fixedly connected with a guide plate (41), the guide plate (41) is placed in an inclined mode, the other end of the guide plate (41) is fixedly connected with the lower end of the inner surface of the filter box (4), and a sewage discharge pipe (42) is fixedly connected with the lower end of the inner surface of the filter box (4).