CN108970238B - Sewage filtering device - Google Patents

Sewage filtering device Download PDF

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Publication number
CN108970238B
CN108970238B CN201810914130.4A CN201810914130A CN108970238B CN 108970238 B CN108970238 B CN 108970238B CN 201810914130 A CN201810914130 A CN 201810914130A CN 108970238 B CN108970238 B CN 108970238B
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China
Prior art keywords
water
circular
pipe
water outlet
filtering
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CN201810914130.4A
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Chinese (zh)
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CN108970238A (en
Inventor
胡杏玉
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Yiwu hangying Technology Co., Ltd
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Yiwu Hangying Technology Co Ltd
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Priority to CN201810914130.4A priority Critical patent/CN108970238B/en
Publication of CN108970238A publication Critical patent/CN108970238A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/01Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements
    • B01D29/03Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements self-supporting
    • B01D29/036Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements self-supporting ring shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/50Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/60Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/60Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/603Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/60Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps

Abstract

The invention discloses a sewage filtering device which comprises a circular filtering box, wherein a water inlet mechanism is arranged on the circular filtering box and is connected with a rotary filtering mechanism; the water inlet mechanism comprises a water storage tank, a liquid level sensor, a water outlet, a back washing mechanism, a connecting water pipe, an electric valve, a water inlet, a water guide pipe, a circular truncated cone type water outlet channel, a circular supporting table and an arc-shaped supporting column; the rotary filtering mechanism comprises a vertical channel, a waterproof fixed bearing, an arc-shaped guide pipe, a supporting rod, a spherical groove, a spherical ball, a circular groove, a servo motor, a connecting rod, a connecting shaft, a water outlet pipe, a circular ring type filter screen, a protection plate and a cleaning mechanism, wherein a controller is arranged on one side of the upper surface of the circular filtering box. The invention has the advantages of simple structure and strong practicability.

Description

Sewage filtering device
Technical Field
The invention relates to the field of sewage filtration, in particular to a sewage filtration device.
Background
At present common sewage filter equipment generally all directly makes sewage pass through the filter screen, intercepts impurity to reach filterable purpose, but the impurity that contains in some sewage is more, often causes the filter screen to block up when filtering, influences filtration efficiency, and often only filters through the partly of filter screen when filtering, causes the part of filter screen to appear the damage easily, reduces its life.
Disclosure of Invention
The invention aims to solve the problems and designs a sewage filtering device.
The technical scheme of the invention is that the sewage filtering device comprises a circular filtering tank, wherein the circular filtering tank is fixedly arranged on the ground, and is provided with a water inlet mechanism which is connected with a rotary filtering mechanism;
the water inlet mechanism comprises a water storage tank fixedly arranged on the upper surface of the circular filter tank, a liquid level sensor is arranged on one side of the inner upper surface of the water storage tank, a first signal transmitter is arranged in the liquid level sensor, a water outlet is arranged on one side of the lower end of the water storage tank, a protective net is arranged at the water outlet, a back washing mechanism is arranged on one side of the water outlet, a connecting water pipe is connected to the outer side of the water outlet, an electric valve is connected to the water outlet end of the connecting water pipe, a water inlet is arranged at the central position of the upper surface of the circular filter tank, a water guide pipe is arranged between the water outlet end of the electric valve and the water inlet, an inverted circular table type water outlet channel is arranged at the inner upper end of the circular filter tank, the upper surface of the circular table type water outlet channel is fixedly connected with the inner upper surface of the circular filter tank, a circular support table is arranged below the circular support table, the circular support table concentrically corresponds to the circular filter tank, and a plurality of arc-shaped support columns are arranged below the circular table type water outlet channel, the arc-shaped supporting columns are uniformly distributed in a circumferential manner by taking the circle center of the circular supporting table as the center, and the upper ends of the arc-shaped supporting columns are fixedly connected with the inner upper surface of the circular filter box;
the rotary filtering mechanism comprises a vertical channel fixedly connected with the outlet end of the circular table type water outlet channel, the outlet end of the vertical channel is provided with a waterproof fixed bearing, the lower end of the waterproof fixed bearing is provided with an arc-shaped guide pipe, the lower end of the arc-shaped guide pipe is provided with a support rod, the lower surface of the support rod is provided with a spherical groove, the spherical groove is internally provided with a spherical ball, the upper surface of a circular support table is provided with a circular groove, the circular groove is positioned below the support rod, the lower end of the spherical ball is positioned in the circular groove, the upper surface of the rotary end of the servo motor is provided with a servo motor, the upper end of the connecting rod is fixedly connected with the arc-shaped guide pipe, the side surface of the rotary end of the servo motor is provided with a connecting shaft connected with one end of the arc-shaped guide pipe, the lower end of the water outlet end of the arc-shaped guide pipe is provided with a water outlet pipe with the vertical downward outlet end, and a circular ring-shaped filtering screen is arranged between the outer side surface of the circular support table and the inner side surface of the circular filtering box, the annular filter screen is positioned at the lower end of the water outlet pipe, the inner ring and the outer ring of the upper surface of the annular filter screen are both provided with a protective plate, the rear side of the water outlet pipe is provided with a cleaning mechanism,
and a controller is arranged on one side of the upper surface of the circular filter box.
The upper end of the water storage tank is provided with a water inlet pipe connected with a sewage outlet pipe.
The back flush mechanism includes the suction pump of fixed mounting at circular rose box upper surface, and the suction pump is located delivery port one side, and storage water tank upper end one side is equipped with the mouth that draws water, and the suction pump end of intaking is equipped with the drinking-water pipe with mouthful fixed connection that draws water, and connecting pipe one side is equipped with the return water mouth, and the suction pump water outlet end is equipped with the wet return, and wet return outlet end is connected with the return water mouth, is equipped with detection mechanism in the connecting pipe.
The detection mechanism comprises a flow counter fixedly installed on one side in the connecting water pipe, and a second signal emitter is arranged in the flow counter.
And a drain pipe connected with the next purification process is arranged on one side of the lower end of the circular filter box.
Clearance mechanism is including being located the square opening of one side on the ring filter screen, and circular rose box lower surface is equipped with and holds the platform, holds the bench surface and is equipped with and holds the recess, holds to be equipped with in the recess and holds the case, holds the case on the mouth correspond with square opening, and outlet pipe lower extreme one side is equipped with horizontal dead lever, and horizontal dead lever lower extreme is equipped with flexible brush, is equipped with warning mechanism on the circular rose box, and circular rose box lower extreme one side is equipped with business turn over mechanism.
Warning mechanism is equipped with pressure sensor including being located the small-size recess that holds the recess lower surface in the small-size recess, is equipped with third signal transmitter in the pressure sensor, and circular rose box outside upper end is equipped with warning board, is equipped with the warning light on the warning board, is equipped with the speaker in the warning light.
The inlet and outlet mechanism comprises an inlet and an outlet which are positioned on one side of the lower end of the circular filter box, the inlet and the outlet correspond to the positions of the containing boxes, a rotary stop door is arranged at the inlet and the outlet, an electromagnetic lock is arranged on the rotary stop door, and a pulling handle is arranged on one side of the electromagnetic lock.
An electric interface, a capacitive display screen, a signal receiver and a PLC system are arranged in the controller.
The first signal transmitter, the second signal transmitter and the third signal transmitter are connected with the signal receiver through Bluetooth signals.
The sewage filtering device manufactured by the technical scheme of the invention is firstly precipitated before filtering, larger impurities are preliminarily filtered through the protective net, and the protective net can be backwashed, so that the filtering efficiency is improved.
Drawings
FIG. 1 is a schematic view showing the construction of a sewage filtering apparatus according to the present invention;
FIG. 2 is a partial top view of the sewage filter apparatus of the present invention;
FIG. 3 is a partial schematic view of the water intake mechanism of the present invention;
FIG. 4 is a partial schematic view of the rotary filter mechanism of the present invention;
FIG. 5 is a partial schematic view of the cleaning mechanism of the present invention;
FIG. 6 is a partial schematic view of the access mechanism of the present invention;
in the figure, 1, a circular filter box; 2. a water storage tank; 3. a liquid level sensor; 4. a first signal transmitter; 5. a water outlet; 6. a protective net; 7. connecting a water pipe; 8. an electrically operated valve; 9. a water inlet; 10. a water conduit; 11. a circular table type water outlet channel; 12. a circular support table; 13. an arc-shaped support column; 14. a vertical channel; 15. a waterproof fixed bearing; 16. an arcuate conduit; 17. a support bar; 18. a spherical recess; 19. a spherical ball; 20. a circular groove; 21. a servo motor; 22. a connecting rod; 23. a connecting shaft; 24. a water outlet pipe; 25. a circular ring type filter screen; 26. a protection plate; 27. a controller; 28. a water inlet pipe; 29. a water pump; 30. a water pumping port; 31. a water pumping pipe; 32. a water return port; 33. a water return pipe; 34. a flow counter; 35. a second signal transmitter; 36. a drain pipe; 37. a square opening; 38. a containing table; 39. a containing groove; 40. a containing box; 41. a transverse fixing rod; 42. a flexible brush; 43. a small groove; 44. a pressure sensor; 45. a third signal transmitter; 46. a warning board; 47. a warning light; 48. a speaker; 49. an inlet and an outlet; 50, rotating the stop door; 51. an electromagnetic lock; 52. pulling the handle; 53. an electricity utilization interface; 54. a capacitive display screen; 55. a signal receiver; 56. a PLC system.
Detailed Description
The invention is described in detail below with reference to the drawings, which are shown in fig. 1-6.
In this embodiment, the first step: the method comprises the following steps of (1) primary filtering, discharging sewage generated in the production process into a water storage tank 2 through a water inlet pipe 28 to enable the sewage to be primarily precipitated therein, detecting a liquid level signal in the water storage tank 2 through a liquid level sensor 3, sending the signal into a controller 27, controlling the electric valve 8 to be opened through the controller 27 after the liquid level reaches a certain degree, enabling the sewage to enter a circular filter tank through a protective net 6, a water outlet 5, a connecting water pipe 7, the electric valve 8 and a water inlet 9, precipitating impurities in the sewage to the bottom of the water storage tank 2 in the process, and intercepting larger impurities through the protective net 6 to prevent the larger impurities from blocking the device and influencing the working efficiency;
the second step is that: during backwashing, along with the filtering, impurities on the inner side of the protective net 6 block the protective net, the flow counter 34 detects the water flow speed and sends a signal to the controller 27, after the water flow speed is reduced to a certain degree, the controller 27 controls the electric valve 8 to be closed, the water suction pump 29 is started, the water above the water storage tank 2 is pumped into the connecting water pipe 7 by the water suction pump 29, and the impurities on the inner side of the protective net 6 are flushed away, in the process, the counter 34 detects the impurities and the water suction pump 29 conducts dredging, the water outlet speed is guaranteed, and the filtering efficiency is improved;
a third step; the circular filter box 1 is rotated and filtered, water entering the circular filter box 1 falls to the upper side of a circular filter screen 25 through a circular table type water outlet channel 11, a vertical channel 14 and an arc-shaped guide pipe 16 for filtering, after the water is filtered for a period of time, a servo motor 21 is started to rotate, the arc-shaped guide pipe 16 is driven to rotate through a connecting rod 22 and a connecting shaft 23, a water outlet pipe 24 is made to rotate, the filtering position is changed, a spherical ball 19 below a supporting rod 17 rotates in a circular ring groove 20 to support the arc-shaped guide pipe 16, in the process, the servo motor 21 drives a water outlet pipe 24 to change positions, filtering is carried out at different positions of the circular filter screen 25, the service life of the circular filter screen is prolonged, the position of the water outlet pipe 24 is determined through the servo motor 21, when the water outlet pipe 24 rotates to a square opening 37, an electric valve 8 is closed, and filtering is stopped;
the fourth step: cleaning impurities, when the impurities are accumulated to a certain degree, the servo motor 21 drives the water outlet pipe 24 to rotate, the flexible brush 42 below the transverse fixing rod 41 rotates, the impurities on the upper surface of the circular filter net 25 are cleaned to a square opening and enter the containing box 40, the pressure sensor 44 detects the impurities and sends signals to the controller 27, when the impurities in the containing box 40 reach a certain weight, the controller 27 controls the starting of the warning lamp 47 to light and the sounding of the loudspeaker 48 to remind a worker to clean, the worker opens the electromagnetic lock 51, pulls the rotary blocking door 50 open, takes the containing box 40 out for cleaning, after the cleaning is finished, puts the containing box 40 back to the original position, closes the rotary blocking door 50, locks the electromagnetic lock 51 to complete the whole working process, and in the processing process, the impurities are cleaned by rotating the flexible brush 42, the filtering efficiency is guaranteed.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (1)

1. A sewage filtering device comprises a circular filtering box (1), and is characterized in that the circular filtering box (1) is fixedly arranged on the ground, a water inlet mechanism is arranged on the circular filtering box (1), and the water inlet mechanism is connected with a rotary filtering mechanism;
the water inlet mechanism comprises a water storage tank (2) fixedly mounted on the upper surface of a circular filter tank (1), one side of the inner upper surface of the water storage tank (2) is provided with a liquid level sensor (3), a first signal transmitter (4) is arranged in the liquid level sensor (3), one side of the lower end of the water storage tank (2) is provided with a water outlet (5), a protective screen (6) is arranged at the water outlet (5), one side of the water outlet (5) is provided with a back washing mechanism, the outer side of the water outlet (5) is connected with a connecting water pipe (7), the water outlet end of the connecting water pipe (7) is connected with an electric valve (8), the central position of the upper surface of the circular filter tank (1) is provided with a water inlet (9), a water guide pipe (10) is arranged between the water outlet end of the electric valve (8) and the water inlet (9), the inner upper end of the circular filter tank (1) is provided with an inverted circular truncated cone-shaped water outlet channel (11), the upper surface of the circular truncated cone-shaped water outlet channel (11) is fixedly connected with the inner upper surface of the circular filter tank (1), a circular support table (12) is arranged below the circular table type water outlet channel (11), the circular support table (12) concentrically corresponds to the circular filter box (1), a plurality of arc-shaped support columns (13) are arranged below the circular table type water outlet channel (11), the arc-shaped support columns (13) are uniformly distributed in a circumferential manner by taking the circle center of the circular support table (12) as the center, and the upper ends of the arc-shaped support columns (13) are fixedly connected with the inner upper surface of the circular filter box (1);
the rotary filtering mechanism comprises a vertical channel (14) fixedly connected with the outlet end of the circular truncated cone type water outlet channel (11), a waterproof fixed bearing (15) is arranged at the outlet end of the vertical channel (14), an arc-shaped guide pipe (16) is arranged at the lower end of the waterproof fixed bearing (15), a support rod (17) is arranged at the lower end of the arc-shaped guide pipe (16), a spherical groove (18) is arranged on the lower surface of the support rod (17), a spherical ball (19) is arranged in the spherical groove (18), a circular groove (20) is arranged on the upper surface of the circular support table (12), the circular groove (20) is positioned below the support rod (17), the lower end of the spherical ball (19) is positioned in the circular groove (20), a servo motor (21) is arranged on the upper surface of the rotary end of the servo motor (21), a connecting rod (22) is arranged on the upper surface of the rotary end of the servo motor (21), and the upper end of the connecting rod (22) is fixedly connected with the arc-shaped guide pipe (16), a connecting shaft (23) connected with one end of the arc guide pipe (16) is arranged on the side surface of the rotating end of the servo motor (21), a water outlet pipe (24) with an outlet end vertically downward is arranged at the lower end of the water outlet end of the arc guide pipe (16), a circular ring type filter screen (25) is arranged between the outer side surface of the circular support table (12) and the inner side surface of the circular filter box (1), the circular ring type filter screen (25) is positioned at the lower end of the water outlet pipe (24), both the inner ring and the outer ring of the upper surface of the circular ring type filter screen (25) are provided with protective plates (26), and a cleaning mechanism is arranged on the rear side of the water outlet pipe (24),
a controller (27) is arranged on one side of the upper surface of the circular filter box (1);
the upper end of the water storage tank (2) is provided with a water inlet pipe (28) connected with a sewage outlet pipe; the backwashing mechanism comprises a water suction pump (29) fixedly mounted on the upper surface of the circular filter box (1), the water suction pump (29) is positioned on one side of the water outlet (5), a water suction port (30) is arranged on one side of the upper end of the water storage tank (2), a water suction pipe (31) fixedly connected with the water suction port (30) is arranged at the water inlet end of the water suction pump (29), a water return port (32) is arranged on one side of the water connecting pipe (7), a water return pipe (33) is arranged at the water outlet end of the water suction pump (29), the water outlet end of the water return pipe (33) is connected with the water return port (32), and a detection mechanism is arranged in the water connecting pipe (7);
the detection mechanism comprises a flow counter (34) fixedly arranged on one side in the connecting water pipe (7), and a second signal emitter (35) is arranged in the flow counter (34);
a drain pipe (36) connected with the next purification process is arranged on one side of the lower end of the circular filter box (1); the cleaning mechanism comprises a square opening (37) positioned on one side of the circular ring type filter screen (25), the lower surface of the circular filter box (1) is provided with a containing table (38), the upper surface of the containing table (38) is provided with a containing groove (39), a containing box (40) is arranged in the containing groove (39), the upper inlet end of the containing box (40) corresponds to the square opening (37), one side of the lower end of the water outlet pipe (24) is provided with a transverse fixing rod (41), the lower end of the transverse fixing rod (41) is provided with a flexible brush (42), the circular filter box (1) is provided with a warning mechanism, and one side of the lower end of the circular filter box (1) is provided with an in-out mechanism;
the warning mechanism comprises a small groove (43) positioned on the lower surface of the containing groove (39), a pressure sensor (44) is arranged in the small groove (43), a third signal transmitter (45) is arranged in the pressure sensor (44), a warning plate (46) is arranged at the upper end of the outer side of the circular filter box (1), a warning lamp (47) is arranged on the warning plate (46), and a loudspeaker (48) is arranged in the warning lamp (47);
the in-out mechanism comprises an inlet and outlet (49) positioned on one side of the lower end of the circular filter box (1), the inlet and outlet (49) corresponds to the position of the containing box (40), a rotary stop door (50) is arranged at the inlet and outlet (49), an electromagnetic lock (51) is arranged on the rotary stop door (50), and a pulling handle (52) is arranged on one side of the electromagnetic lock (51);
an electric interface (53), a capacitance display screen (54), a signal receiver (55) and a PLC system (56) are arranged in the controller (27); the first signal transmitter (4), the second signal transmitter (35) and the third signal transmitter (45) are connected with a signal receiver (55) through Bluetooth signals;
the method comprises the following steps that firstly, primary filtration is carried out, sewage generated in the production process is discharged into a water storage tank (2) through a water inlet pipe (28), the sewage is preliminarily precipitated in the water storage tank, a liquid level signal in the water storage tank (2) is detected by a liquid level sensor (3), the signal is sent into a controller (27), after the liquid level reaches a certain degree, an electric valve (8) is controlled to be opened by the controller (27), the sewage enters a circular filter tank through a protective net (6), a water outlet (5), a connecting water pipe (7), the electric valve (8) and a water inlet (9), in the process, impurities in the sewage are precipitated to the bottom of the water storage tank (2), then the larger impurities are intercepted through the protective net (6), and the phenomenon that the larger impurities block the device to influence the working efficiency is avoided;
secondly, backwashing, wherein impurities exist on the inner side of the protective net (6) to block the protective net along with the filtering, the flow counter (34) is used for detecting the water flow speed and sending a signal to the controller (27), when the water flow speed is reduced to a certain degree, the controller (27) is used for controlling to close the electric valve (8), the water suction pump (29) is started, the water above the water storage tank (2) is pumped into the connecting water pipe (7) by the water suction pump (29), and the impurities on the inner side of the protective net (6) are flushed away, in the process, the flow counter (34) is used for detecting, and the water suction pump (29) is used for dredging, so that the water outlet speed is guaranteed, and the filtering efficiency is improved;
thirdly, rotating and filtering, wherein water entering the circular filter box (1) falls to the upper part of the circular filter screen (25) through the circular table type water outlet channel (11), the vertical channel (14) and the arc-shaped guide pipe (16) for filtering, after filtering for a period of time, the servo motor (21) is started to rotate, the arc-shaped guide pipe (16) is driven to rotate through the connecting rod (22) and the connecting shaft (23), the water outlet pipe (24) is driven to rotate, the filtering position is changed, the spherical ball (19) below the supporting rod (17) rotates in the circular groove (20) to support the arc-shaped guide pipe (16), in the process, the servo motor (21) drives the water outlet pipe (24) to change positions, filtering is carried out at different positions of the circular filter screen (25), the service life of the circular filter screen is prolonged, and the position of the water outlet pipe (24) is determined through the servo motor (21), when the water outlet pipe (24) rotates to the square opening (37), the electric valve (8) is closed, and the filtration is stopped;
fourthly, cleaning impurities, after the impurities are accumulated to a certain degree, driving a water outlet pipe (24) to rotate by a servo motor (21), enabling a flexible brush (42) below a transverse fixing rod (41) to rotate, cleaning the impurities on the upper surface of a circular ring filter screen (25) to a square opening, enabling the impurities to enter a containing box (40), detecting by a pressure sensor (44), sending a signal to a controller (27), controlling a starting warning lamp (47) to be turned on and a loudspeaker (48) to be sounded by the controller (27) after the impurities in the containing box (40) reach a certain weight, reminding a worker to clean, opening an electromagnetic lock (51), pulling open a rotary blocking door (50), taking the containing box (40) out, cleaning, returning the containing box (40) to the original position after cleaning, closing the rotary blocking door (50), and locking the electromagnetic lock (51), the whole working process is completed, and in the treatment process, impurities are cleaned through rotation of the flexible hairbrush (42), so that the filtering efficiency is guaranteed.
CN201810914130.4A 2018-08-13 2018-08-13 Sewage filtering device Active CN108970238B (en)

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Application Number Priority Date Filing Date Title
CN201810914130.4A CN108970238B (en) 2018-08-13 2018-08-13 Sewage filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810914130.4A CN108970238B (en) 2018-08-13 2018-08-13 Sewage filtering device

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CN108970238B true CN108970238B (en) 2021-08-06

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Publication number Priority date Publication date Assignee Title
CN111097228A (en) * 2020-01-13 2020-05-05 袁壮达 Sewage filters filter screen cleaning device
CN111569483A (en) * 2020-04-07 2020-08-25 青岛奥利普自动化控制系统有限公司 Liquid purifying device
CN112019949B (en) * 2020-08-03 2021-03-16 新疆河润水业有限责任公司 Water pump running state on-line monitoring system of multisensor

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