CN114455733B

CN114455733B - Sewage filtering device

Info

Publication number: CN114455733B
Application number: CN202210029815.7A
Authority: CN
Inventors: 黄国贤; 沈超; 金豪杰; 杜雪锋; 周佳渊; 沈勤; 毛沈超
Original assignee: Haining Crape Myrtle Water Service Co ltd
Current assignee: Haining Crape Myrtle Water Service Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2023-05-26
Anticipated expiration: 2042-01-12
Also published as: CN114455733A

Abstract

The invention provides a sewage filtering device, and belongs to the technical field of sewage treatment. The sewage filtering device comprises a square shell, a sewage inlet pipe, a multi-layer filtering plate mechanism and a bottom dredging mechanism, wherein the sewage inlet pipe is inserted and fixed on the square shell, the multi-layer filtering plate mechanism is arranged in the square shell and located below the sewage inlet pipe, the multi-layer filtering plate mechanism comprises a filtering box and an anti-blocking component, a bottom plate is arranged in the square shell and located below the multi-layer filtering plate mechanism, a filtering motor is arranged on the bottom plate and connected with a sleeve, the upper end of the sleeve is connected with a rotating water pipe, the bottom dredging mechanism is arranged at the bottom of the square shell, the bottom dredging mechanism comprises a mud scraping motor, a driving wheel, a driven wheel and a mud guard, two sides of the mud guard are fixed on the inner wall of the square shell, and the driving wheel and the driven wheel are all rotationally connected on the inner wall of the square shell. The invention can carry out multistage filtration on sewage, has good filtration effect, realizes self-cleaning function, has high automation degree and effectively avoids blockage.

Description

Sewage filtering device

Technical Field

The invention belongs to the technical field of sewage treatment, and relates to a sewage filtering device.

Background

The sewage treatment is to make sewage reach the water quality requirement who discharges into a certain water or reuse and carry out the process of purifying it, and sewage treatment is widely used in each fields such as building, agriculture, traffic, energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and beverage, also more and more walk into ordinary people's daily life, need use the filtering ponds to filter sewage when carrying out sewage treatment, present filtering ponds filter effect is not good, can not circulate many times filtration, and only use the filter screen to carry out the filtration of impurity, the filter screen is easy to block up, influence normal use, and the silt of filtering out at last is piled up in the device bottom easily, difficult clearance leads to the inside jam that takes place of device, lead to the later stage sewage treatment effect not good easily.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the sewage filtering device which can simultaneously realize sewage filtering and sludge cleaning, has high automation degree and good sewage filtering effect, can automatically clean the inside of the device and effectively avoid blockage.

The aim of the invention can be achieved by the following technical scheme: the utility model provides a sewage filter device, includes square shell, advances sewer pipe, multilayer filter mechanism, the clear silt mechanism of bottom, advance sewer pipe interlude and fix on square shell, its characterized in that, advance sewer pipe bottom intercommunication have four upper screen pipes, it has a plurality of big granule filtration pore to go up to open on the upper screen pipe, multilayer filter mechanism sets up in square shell and is located upper screen pipe below, multilayer filter mechanism includes the rose box, prevents stifled subassembly, and the rose box is fixed on square shell inner wall, and the rose box upper end has the import, and the rose box lower extreme has the export, the rose box is from last to be provided with one-level filter screen, active carbon net, secondary filter screen, tertiary filter screen that slide in proper order down, prevent stifled subassembly includes anti-blocking motor, lead screw, bull stick, waterproof case is fixed on the rose box right side, anti-blocking motor is fixed on the rose box right side and is located the lag, bull stick one end runs through and is connected with single groove belt pulley in the filter box right side other end, lead screw one end rotation is connected on the rose box left side inner wall, the other end and motor end and output shaft end and the end is connected with the filter wire brush end, the filter plate has a plurality of filter tube, the filter tube has the filter plate, the filter tube has a plurality of filter grooves, the filter tube has the filter tube is connected with the bottom plate is opened through four, the filter tube has the bottom plate, the filter plate is connected to the filter tube has the bottom to the filter plate is opened through the groove, has the bottom to the filter plate, the filter plate is connected to the top to the filter tube has. The upper end of the motor is fixedly connected with a guide cylinder, the guide cylinder is provided with a through hole corresponding to the water outlet, the through hole is connected with a sewage pipe, one end of the sewage pipe penetrates through the side wall of the square shell, the bottom plate is provided with a plurality of sediment discharge openings, the bottom layer dredging mechanism is arranged at the bottom of the square shell and is positioned below the bottom plate, the mud cleaning mechanism comprises a mud scraping motor, a driving wheel, driven wheels and mud guards, wherein two sides of each mud guard are fixed on the inner wall of the square shell, the driving wheel and the driven wheels are all rotationally connected to the inner wall of the square shell, a transmission toothed chain is sleeved between the driving wheel and the driven wheels, a mud scraping knife is arranged on the outer surface of the transmission toothed chain, the mud scraping motor is fixed on the inner wall of the square shell, and the driving wheel is driven by the mud scraping motor.

This sewage filter device realizes the multistage filtration to sewage through being provided with screen pipe, well screen pipe, multilayer filter mechanism, improves the filter effect, is provided with anti-blocking assembly in this sewage filter device's the multilayer filter mechanism, has effectively avoided the rose box sediment to pile up, realizes sustainable work, and this sewage filter device bottom is provided with bottom desilting mud mechanism, can be better with the clearance of bottom sediment discharge, reaches an automatically cleaning effect of device inside, improves this device life, improves cleaning efficiency.

Furthermore, the fender is L-shaped, the lower end of the fender is fixed on the side wall of the square shell, and the inclination of the fender is 30 degrees. The mud guard is obliquely arranged at 30 degrees, so that the bottom layer can flow and clean the mud better.

Further, the mud guard separates the square shell lower extreme into silt pond and effluent water sump, the silt pond is located the mud guard left side, the effluent water sump is located the mud guard right side.

Further, the mud guard is a water passing activated carbon plate. The mud guard can further filter a small amount of sewage contained in the mud piled up at the bottom layer, so that the filtering effect is improved.

Further, a mud pipe is connected to the side wall of the shell in the penetrating direction at one side of the silt pool, and the mud pipe is connected to the mud pipe; is connected with a sludge pump, and one side of the sewage pool is connected with a drain pipe.

Further, the outer side of the square shell is provided with an opening, the opening is positioned at one side of the upper sieve tube, and an openable cabin door is connected to the opening. Opening the cabin door is convenient for taking out the upper screen pipe in the device, and cleaning large particle sediment in the upper screen pipe.

Further, the left side of the filter box is provided with three rows of sediment pipes, the sediment pipes penetrate through the side wall of the square shell, and the three rows of sediment pipes are respectively in one-to-one correspondence with the primary filter screen, the secondary filter screen and the tertiary filter screen.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, by arranging the upper sieve tube, the multi-layer filter plate mechanism and the lower sieve tube, multi-layer graded filtration of sewage is realized, and large-particle sediments in the sewage are filtered from large to small in sequence, so that the filtration efficiency is improved;

2. the multi-layer filter plate mechanism is provided with the anti-blocking assembly, and sediment in the filter box can be effectively discharged out of the filter box through the anti-blocking assembly, so that the blockage is avoided, the service life of the filter box is prolonged, and the working efficiency is improved;

3. the bottom layer sludge cleaning mechanism is provided with the bottom layer sludge cleaning mechanism, can clean the sludge deposited on the bottom layer in the device and discharge the sludge out of the device, and simultaneously the bottom layer sludge cleaning mechanism is provided with the sludge scraping knife, the transmission toothed chain and the sludge scraping motor to mutually cooperate to scrape the residual sludge at the bottom part of the bottom plate so as to avoid the sludge accumulation at the bottom part of the bottom plate;

4. according to the bottom sludge cleaning mechanism, the mud guard is arranged to divide the lower end of the square shell into the sludge tank and the sewage tank, so that bottom sludge can be further filtered, and residual water in the sludge is separated out and enters the sewage tank, so that the filtering effect is further improved.

Drawings

Fig. 1 is a schematic diagram of the structure of the sewage filtering device.

FIG. 2 is a schematic view of the structure of the multi-layer filter plate mechanism of the present sewage filter device.

Fig. 3 is a schematic view of the structure of the rotary water pipe of the sewage filtering device.

Fig. 4 is a schematic structural view of a screw rod of the sewage filtering device.

In the figure, 1, a square shell; 2. a sewage inlet pipe; 3. an upper sieve tube; 4. a filter box; 5. a first-stage filter screen; 6. an activated carbon net; 7. a secondary filter screen; 8. a third-stage filter screen; 9. an anti-blocking motor; 10. a screw rod; 11. a rotating rod; 12. a waterproof case; 13. a single-groove belt pulley; 14. a four-groove belt pulley; 15. a transmission belt; 16. a movable plate; 17. a brush; 18. a bottom plate; 19. filtering the motor; 20. a sleeve; 21. rotating the water pipe; 22. a lower sieve tube; 23. a water outlet; 24. a guide cylinder; 25. a through hole; 26. a sewage drain pipe; 27. a sediment discharge port; 28. a mud scraping motor; 29. a driving wheel; 30. driven wheel; 31. a mud guard; 32. a drive toothed chain; 33. a mud scraper; 34. a silt pool; 35. a sewage pool; 36. a mud pipe; 37. a mud pump; 38. a drain pipe; 39. a cabin door; 40. and discharging the sediment tube.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in figures 1, 2 and 4, the sewage filtering device comprises a square shell (1), a sewage inlet pipe (2), a multi-layer filtering plate mechanism and a bottom sludge cleaning mechanism, wherein the sewage inlet pipe (2) is fixedly inserted on the square shell (1), four upper screening pipes (3) are communicated with the bottom of the sewage inlet pipe (2), a plurality of large-particle filtering holes are formed in the upper screening pipes (3), the multi-layer filtering plate mechanism is arranged in the square shell (1) and located below the upper screening pipes (3), the multi-layer filtering plate mechanism comprises a filtering box (4) and an anti-blocking component, the filtering box (4) is fixed on the inner wall of the square shell (1), the upper end of the filtering box (4) is provided with an inlet, the lower end of the filtering box (4) is provided with an outlet, the filtering box (4) is sequentially and slidably provided with a first-stage filtering net (5), an active carbon screen (6), a second-stage filtering screen (7), a third-stage filtering screen (8), an anti-blocking component comprises an anti-blocking motor (9), a screw (10), a rotating rod (11) and a waterproof shell (12), the waterproof shell (12) is fixed on the filtering box (4) and is fixedly arranged on the right side of the filtering box (4) on the filtering box (4) and is fixedly connected with one end of the filtering box (4) on the right side (4) at one end (13), one end of the screw rod (10) is rotationally connected to the left inner wall of the filter box (4), the other end of the screw rod is connected with the end part of the rotary rod (11), the output shaft of the anti-blocking motor (9) is connected with a four-groove belt pulley (14), the four-groove belt pulley (14) and the anti-single-groove belt pulley (13) are connected through a transmission belt (15), the screw rod (10) is in threaded connection with a movable plate (16), the end part of the movable plate (16) is provided with a hairbrush (17), the anti-blocking motor (9) is driven to drive the movable plate (16) to move along the screw rod (10), and drive brush (17) and clear up the precipitate on the filter screen, be equipped with bottom plate (18) in square shell (1), open flutedly bottom plate (18), be equipped with in the recess and filter motor (19), rose box (4) left side have three sediment tube (40) of arranging, sediment tube (40) run through square shell (1) lateral wall, sediment tube (40) are respectively with one-to-one of one filter screen (5), second grade filter screen (7), tertiary filter screen (8).

As shown in fig. 1 and 3, a sleeve (20) is fixedly connected to an output shaft of the filtering motor (19), a rotating water pipe (21) is communicated with the upper end of the sleeve (20), a plurality of lower sieve pipes (22) are communicated with the rotating water pipe (21), a plurality of small particle filtering holes are formed in the lower sieve pipes (22), a plurality of water outlets (23) are formed in the bottom of the sleeve (20), a guide cylinder (24) is fixedly connected to the upper end of the motor, a through hole (25) corresponding to the water outlets (23) is formed in the guide cylinder (24), a sewage draining pipe (26) is connected to the through hole (25), one end of the sewage draining pipe (26) penetrates through the side wall of the square casing (1), the filtering motor (19) is started to drive the sleeve (20) to rotate, when the water outlets (23) formed in the bottom of the sleeve (20) are mutually overlapped with the through holes (25) formed in the guide cylinder (24), sewage in the rotating water pipe (21) can be discharged out of the casing through the water draining pipe (26), a plurality of motor (24) are fixedly connected to the guide cylinder (24), a sewage draining hole (25) is formed in the bottom plate (18), a sludge draining mechanism (27) is arranged on the bottom of the mud-cleaning mechanism (31) and comprises a mud-cleaning mechanism (30) and a mud-cleaning mechanism (30) arranged below the mud-cleaning mechanism (31), the mud guard (31) both sides are fixed on the inner wall of square shell (1), and action wheel (29), follow driving wheel (30) are all rotated and are connected on the inner wall of square shell (1), the cover is equipped with transmission toothed chain (32) between action wheel (29) and follow driving wheel (30), transmission toothed chain (32) surface is equipped with scrapes mud sword (33), scrapes mud motor (28) and fixes on square shells inner wall, action wheel (29) are driven by scraping mud motor (28), and drive scrapes mud motor (28) and drive transmission toothed chain (32) and rotate and make and scrape mud sword (33) with the silt of mud guard (31) upper surface and bottom plate (18) lower surface and scrape away.

As shown in fig. 1, fender (31) are L type, fender (31) lower extreme is fixed at square casing lateral wall, the gradient of fender is 30 degrees, fender (31) separate square shell (1) lower extreme into silt basin (34) and effluent water sump (35), silt basin (34) are located fender (31) left side, effluent water sump (35) are located fender (31) right side, fender for crossing the water activated carbon board, silt basin (34) one side run through direction shell lateral wall and be connected with mud pipe (36), mud pipe (36) are connected with mud pump (37), effluent water sump (35) one side is connected with drain pipe (38), square shell (1) outside have the opening, the opening is located screen pipe (3) one side, be connected with openable hatch door (39) on the opening.

Detailed description of the preferred embodiments

The sewage is poured into a sewage inlet pipe (2), the sewage passes through an upper screen pipe (3), the upper screen pipe (3) enables large-particle sediments contained in the sewage to stay in the upper screen pipe (3), the sewage enters a filter tank (4) for multistage filtration, sediments in different states respectively stay on a first-stage filter screen (5), a second-stage filter screen (7) and a third-stage filter screen (8), a drive anti-blocking motor (9) drives a four-groove belt pulley (14) to rotate, the four-groove belt pulley (14) drives a single-groove belt pulley (13) to rotate through a transmission belt (15) and drives a movable plate (16) to move along a screw rod (10), a brush (17) is driven to clear the sediments on the filter screen, the pushed sediments are discharged through a sediment discharge pipe (40), a filter motor (19) is started to drive a rotary water pipe (21) to rotate, fine particles are isolated from the outside by the lower screen pipe (22) in the rotary water pipe (21) in the rotating process, when the bottom of a sleeve (20) is provided with a water outlet (24) and a square sewage outlet (18) is arranged on the bottom of the water outlet pipe (21) and the sewage outlet pipe (26) is pushed out through the water outlet (18), sediment is pushed and extruded when a certain amount gets into bottom desilting mechanism through sediment discharge opening (27), start and scrape mud motor (28) and drive transmission toothed chain (32) and rotate, drive and scrape mud sword (33) and rotate, scrape mud sword (33) and scrape the silt of mud guard (31) upper surface and bottom plate (18) lower surface, scrape mud sword (33) and make sediment get into silt basin (34) and pile up, part sewage that contains in the silt filters through mud guard (31) and enters into in sewage basin (35), sewage passes through drain pipe (38) discharge direction shell, start dredge pump (37) and discharge the silt in silt basin (34) through dredge pipe (36).

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a sewage filter device, includes square shell, advances sewer pipe, multilayer filter mechanism, bottom clear silt mechanism, advance sewer pipe and alternate to fix on square shell, its characterized in that, advance sewer pipe bottom intercommunication have four upper screen pipes, it has a plurality of large granule filtration pore to open on the upper screen pipe, multilayer filter mechanism sets up in square shell and is located upper screen pipe below, multilayer filter mechanism includes rose box, anti-blocking subassembly, and the rose box is fixed on square shell inner wall, and the rose box upper end has the import, and the rose box lower extreme has the export, the rose box is provided with one-level filter screen, activated carbon net, two-level filter screen, tertiary filter screen from top to bottom in proper order sliding, anti-blocking subassembly includes anti-blocking motor, lead screw, bull stick, waterproof shell is fixed on the rose box right side, the anti-blocking motor is fixed on the right side of the filter tank and is positioned in the waterproof shell, one end of the rotating rod penetrates through and is rotationally connected with the other end of the right side of the filter tank, one end of the screw rod is rotationally connected with the inner wall of the left side of the filter tank, the other end of the screw rod is connected with the end part of the rotating rod, the output shaft of the anti-blocking motor is connected with the four-groove belt pulley, the four-groove belt pulley and the single-groove belt pulley are connected through a transmission belt, the screw rod is connected with a movable plate in a threaded manner, the end part of the movable plate is provided with a hairbrush, a bottom plate is arranged in the square shell, a groove is formed in the bottom plate, a filter motor is arranged in the groove, a sleeve is fixedly connected with the output shaft of the filter motor, a rotating water pipe is communicated with the upper end of the sleeve, a plurality of lower sieve pipes are communicated with the rotating water pipe, a plurality of small particle filter holes are formed in the lower sieve pipes, a plurality of water outlet openings are formed in the bottoms of the sleeve, the upper end of the motor is fixedly connected with a guide cylinder, the guide cylinder is provided with a through hole corresponding to the water outlet, the through hole is connected with a sewage pipe, one end of the sewage pipe penetrates through the side wall of the square shell, the bottom plate is provided with a plurality of sediment discharge openings, the bottom layer dredging mechanism is arranged at the bottom of the square shell and is positioned below the bottom plate, the mud cleaning mechanism comprises a mud scraping motor, a driving wheel, driven wheels and mud guards, wherein two sides of each mud guard are fixed on the inner wall of the square shell, the driving wheel and the driven wheels are all rotationally connected to the inner wall of the square shell, a transmission toothed chain is sleeved between the driving wheel and the driven wheels, a mud scraping knife is arranged on the outer surface of the transmission toothed chain, the mud scraping motor is fixed on the inner wall of the square shell, and the driving wheel is driven by the mud scraping motor.

2. The sewage filtering device according to claim 1, wherein the mud guard is L-shaped, the lower end of the mud guard is fixed on the side wall of the square shell, and the inclination of the mud guard is 30 degrees.

3. The sewage filter device according to claim 1, wherein the mud guard divides the lower end of the square housing into a sludge tank and a sewage tank, the sludge tank is positioned on the left side of the mud guard, and the sewage tank is positioned on the right side of the mud guard.

4. The wastewater filter device of claim 1, wherein the mud guard is a water passing activated carbon plate.

5. A sewage filtering apparatus according to claim 3, wherein a sludge discharge pipe is connected to a side wall of the casing in a direction penetrating one side of the sludge tank, the sludge discharge pipe is connected to a sludge discharge pump, and a water discharge pipe is connected to one side of the sludge tank.

6. The sewage filtering device according to claim 1, wherein the square casing is provided with an opening on the outer side, the opening is positioned on one side of the upper screen pipe, and an openable cabin door is connected to the opening.

7. The sewage filtering device according to claim 1, wherein three rows of sediment pipes are arranged on the left side of the filtering box, the sediment pipes penetrate through the side wall of the square shell, and the three rows of sediment pipes are respectively in one-to-one correspondence with the primary filter screen, the secondary filter screen and the tertiary filter screen.