Sewage filtering device

Abstract

The utility model discloses a sewage filtering device which comprises a filtering assembly, the filtering assembly comprises a base, multiple sets of supporting frames are arranged on the outer wall of the top of the base, a filtering bin is installed on the tops of the supporting frames, a water conveying pipe is connected to the top of the filtering bin, a filtering net is arranged on the inner wall of the water conveying pipe, and multiple sets of filtering elements are arranged on the inner wall of the filtering bin. A connecting pipe is connected to the bottom of the conveying pump; one end of the connecting pipe is connected to the purification bin; an adding opening is connected to the top of the purification bin; a conveying pipe is connected to one side of the purification bin; the cleaning assembly comprises a motor support, the motor support is fixed to the inner wall of the water conveying pipe, a rotating motor is installed through the motor support, a rotating shaft is connected to the bottom of the rotating motor, a scraper is installed at one end of the rotating shaft and matched with the filter screen, and an electric control valve is installed at one end of the water conveying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage filtration, in particular to a sewage filtration device. Background Art

[0002] Sewage refers to polluted water discharged from domestic and industrial sources. Water that has lost its original function is simply called sewage. It primarily refers to water used in daily life, contains a high amount of organic matter, and is relatively easy to treat. Once generated, sewage needs to be filtered and purified, requiring the use of sewage filtration equipment. Sewage filtration equipment plays a crucial role in sewage treatment, effectively removing impurities and purifying wastewater, which is crucial for improving water quality.

[0003] A search revealed Chinese patent application number 201721715142.1, which discloses a sewage filtration device comprising a primary filter element and a secondary filter element; the primary filter element comprises a treatment tank and a grille; a water outlet is provided on the sidewall of the treatment tank; and a grille is provided above the water outlet. The sewage filtration device disclosed in the aforementioned patent suffers from the following deficiencies: The device lacks an effective cleaning device during use. During sewage filtration, impurities adhere to the filter element, which accumulates over time and eventually clogs the filter element. The lack of a cleaning device prevents clogging, hindering normal operation. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a sewage filtering device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A sewage filtering device includes a filter assembly, which includes a base, a support frame is provided on the top outer wall of the base, and the support frame is provided with multiple groups. A filter bin is installed on the top of the support frame, the top of the filter bin is connected to a water pipe, the inner wall of the water pipe is provided with a filter screen, and the inner wall of the filter bin is provided with multiple groups of filter elements. A purification bin is provided on the top outer wall of the base, the bottom of the filter bin is connected to a delivery pump, the bottom of the delivery pump is connected to a connecting pipe, one end of the connecting pipe is connected to the purification bin, the top of the purification bin is connected to an addition port, a delivery pipe is connected to one side of the purification bin, and a cleaning assembly for cleaning the filter screen to prevent blockage is provided on one side of the water pipe.

[0007] As a further solution of the present invention: the cleaning assembly includes a motor bracket, which is fixed to the inner wall of the water pipe. A rotating motor is installed through the motor bracket. A rotating shaft is connected to the bottom of the rotating motor. A scraper is installed at one end of the rotating shaft. The scraper is adapted to the filter screen. An electric control valve is installed at one end of the water pipe. The lower end of the water pipe is connected to a backflush pipe, and the upper end of the water pipe is connected to a sewage pipe.

[0008] As a further solution of the present invention: the outer wall of the bottom of the base is fixed with support legs by bolts, and there are multiple groups of support legs, and foot pads are provided at the bottom of the support legs.

[0009] As a further solution of the present invention: an auxiliary frame is provided on the top of the adding port, and the opening of the auxiliary frame gradually expands upward.

[0010] As a further solution of the present invention: a speed regulating motor is fixed to the outer wall of the top of the purification chamber by bolts, a transmission shaft is connected to the bottom of the speed regulating motor, one end of the transmission shaft is rotatably connected to the purification chamber, and a fan blade is installed at one end of the transmission shaft.

[0011] As a further solution of the present invention: a gasket is provided at the bottom of the foot pad, and the gasket is made of rubber material.

[0012] As a further solution of the present invention: a control panel is fixed to the outer wall of the top of the base by bolts.

[0013] As a further solution of the present invention: a connecting flange is installed on the top of the water pipe.

[0014] The beneficial effects of the utility model are:

[0015] 1. After the electric control valve is closed, the scraper is controlled by the rotating motor to rotate against the filter screen to clean it. The impurities attached to the filter screen can be scraped off. The water supply is connected to the water pipe through the backflush pipe, so that the water flow can reversely flush the filter screen, thereby flushing away the impurities in the filter holes and the stubborn impurities attached. The wastewater and the cleaned impurities are discharged through the sewage pipe to complete the cleaning of the device, which can avoid the situation where the device is completely blocked and cannot be used normally after a long period of use.

[0016] 2. The speed regulating motor controls the rotation of the drive shaft and fan blades to stir the sewage so that the added chemicals can be fully mixed with it, thus facilitating purification.

[0017] 3. When the water pipe is connected to the pipeline for water transportation, the connection flange can be used to reinforce the connection to avoid leakage caused by disconnection during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a structural schematic diagram of a sewage filtration device proposed by the utility model from a main perspective;

[0019] Figure 2 This is a structural diagram of the cleaning part of a sewage filtering device proposed by the utility model;

[0020] Figure 3 This is a structural diagram of the stirring part of a sewage filtration device proposed by the utility model;

[0021] Figure 4 This is a structural schematic diagram of the supporting part of a sewage filtering device proposed by the utility model.

[0022] In the figure: 1-base, 2-support leg, 3-foot pad, 4-gasket, 5-delivery pump, 6-connecting pipe, 7-control panel, 8-delivery pipe, 9-purification chamber, 10-addition port, 11-auxiliary frame, 12-electric control valve, 13-drain pipe, 14-connecting flange, 15-water pipe, 16-backflush pipe, 17-filter chamber, 18-support frame, 19-filter element, 20-motor bracket, 21-rotating motor,

[0023] 22-rotating shaft, 23-scraper, 24-filter, 25-fan blade, 26-drive shaft, 27-speed regulating motor. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be further described in detail below in conjunction with specific implementation methods.

[0025] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0026] Example 1

[0027] A sewage filtering device, such as Figure 1-4As shown, it includes a filter assembly, which includes a base 1. A support frame 18 is fixed to the top outer wall of the base 1 by bolts. The support frame 18 is provided with multiple groups. A filter bin 17 is installed on the top of the support frame 18. The top of the filter bin 17 is connected to a water pipe 15. The inner wall of the water pipe 15 is provided with a filter screen 24. The inner wall of the filter bin 17 is provided with multiple groups of filter elements 19. A purification bin 9 is fixed to the top outer wall of the base 1 by bolts. A delivery pump 5 is connected to the bottom of the filter bin 17. The bottom of the delivery pump 5 is connected to a connecting pipe 6. One end of the connecting pipe 6 is connected to the purification bin 9. The top of the purification bin 9 is connected to an addition port 10. A delivery pipe 8 is connected to one side of the purification bin 9. A cleaning component for cleaning the filter screen 24 to prevent clogging is provided on one side of the water pipe 15.

[0028] During use, sewage is transported through the pipeline connected to the delivery pipe 15. The sewage can be filtered through the filter screen 24 of the water delivery pipe 15 to filter out impurities mixed in it. The filtered sewage enters the filter chamber 17 and passes through the filter element 19 to filter out impurities with smaller particles inside it. After the filtration is completed, the delivery pump 5 is started to transport the filtered sewage and input it into the purification chamber 9 through the connecting pipe 6. The sewage treatment agent is added through the adding port 10 to fully mix with the sewage for purification. The sewage to which the sewage treatment agent has been added is transported through the pipeline connected to the delivery pipe 8 for the next step of treatment.

[0029] The cleaning assembly includes a motor bracket 20, which is fixed to the inner wall of the water pipe 15. A rotating motor 21 is installed through the motor bracket 20. A rotating shaft 22 is connected to the bottom of the rotating motor 21. A scraper 23 is installed at one end of the rotating shaft 22. The scraper 23 is adapted to the filter 24. An electric control valve 12 is installed at one end of the water pipe 15. The lower end of the water pipe 15 is connected to a backflush pipe 16. The upper end of the water pipe 15 is connected to a sewage pipe 13.

[0030] During use, the backflush pipe 16 is located below the filter 24, and the drain pipe 13 is located above the filter 24. When the filter 24 needs to be cleaned after a long period of use, the electric control valve 12 is controlled to close, and the rotary motor 21 controls the rotation shaft 22 and the scraper 23 that is in contact with the filter 24 to rotate. The scraper 23 is in contact with the filter 24 and rotates to clean it, so that impurities attached to the filter 24 can be scraped off. The backflush pipe 16 is connected to the pipeline water supply input into the water supply pipe 15, so that the water flow can reversely flush the filter 24, thereby flushing away impurities in the filter pores and stubborn impurities attached thereto, and the waste water and the cleaned impurities are discharged through the drain pipe 13, thereby completing the cleaning of the device, which can avoid the situation where the device is completely blocked and cannot be used normally after a long period of use.

[0031] In order to support the device, Figure 4As shown, the outer wall of the bottom of the base 1 is fixed with support legs 2 by bolts, and the support legs 2 are provided with multiple groups, and foot pads 3 are provided at the bottom of the support legs 2;

[0032] When in use, the support legs 2 and the foot pads 3 cooperate to support the device, thereby maintaining stability during operation;

[0033] In order to facilitate the addition of drugs, such as Figure 2 As shown, an auxiliary frame 11 is provided on the top of the adding port 10, and the opening of the auxiliary frame 11 gradually expands upwards;

[0034] When in use, the auxiliary frame 11 with an opening gradually expanding upwards can facilitate the addition of sewage treatment agent, avoiding spillage and waste due to a small opening during addition;

[0035] In order to fully mix the agent with the sewage, Figure 3 As shown, a speed regulating motor 27 is fixed to the top outer wall of the purification chamber 9 by bolts, and a transmission shaft 26 is connected to the bottom of the speed regulating motor 27. One end of the transmission shaft 26 is rotatably connected to the purification chamber 9, and a fan blade 25 is installed at one end of the transmission shaft 26;

[0036] When in use, after the sewage treatment agent is added, the speed regulating motor 27 controls the transmission shaft 26 and the fan blades 25 to rotate to stir the sewage so that the added agent can be fully mixed with it, thereby facilitating purification;

[0037] To prevent the device from sliding, Figure 4 As shown, a gasket 4 is provided at the bottom of the foot pad 3, and the gasket 4 is made of rubber material;

[0038] When in use, the rubber gasket 4 can increase the friction when in contact with the ground, thereby preventing the device from sliding unnecessarily;

[0039] To facilitate control, Figure 1 As shown, a control panel 7 is fixed to the top outer wall of the base 1 by bolts;

[0040] When in use, the control panel 7 is connected to the various components of the device through lines. The start and stop of the various components of the device and the adjustment of power can be conveniently controlled through the control panel 17.

[0041] Example 2

[0042] To prevent leakage when inputting sewage, refer to Figure 1 、 2 , a sewage filtering device, this embodiment makes the following improvements compared to embodiment 1, the top of the water pipe 15 is installed with a connecting flange 14;

[0043] During use, when the water pipe 15 is connected to the pipeline for water delivery, the connection can be reinforced by the connecting flange 14 to avoid leakage caused by disconnection during delivery.

[0044] The above is only a preferred specific implementation method of the present invention. Parts that do not require creative work such as circuit control and signal control transmission may refer to the existing technology, but the protection scope of the present invention is not limited to this. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sewage filtration device, comprising a filtration assembly, characterized in that: The filter assembly comprises a base (1), a support frame (18) is provided on the outer wall of the top of the base (1), the support frame (18) is provided with multiple groups, a filter chamber (17) is installed on the top of the support frame (18), the top of the filter chamber (17) is connected to a water pipe (15), the inner wall of the water pipe (15) is provided with a filter screen (24), the inner wall of the filter chamber (17) is provided with multiple groups of filter elements (19), a purification chamber (9) is provided on the outer wall of the top of the base (1), the bottom of the filter chamber (17) is connected to a delivery pump (5), the bottom of the delivery pump (5) is connected to a connecting pipe (6), one end of the connecting pipe (6) is connected to the purification chamber (9), the top of the purification chamber (9) is connected to an addition port (10), one side of the purification chamber (9) is connected to a delivery pipe (8), and one side of the water pipe (15) is provided with a cleaning assembly for cleaning the filter screen (24) to prevent clogging.

2. A sewage filtering device according to claim 1, characterized in that: The cleaning assembly comprises a motor bracket (20), the motor bracket (20) being fixed to the inner wall of the water pipe (15), a rotating motor (21) being installed through the motor bracket (20), a rotating shaft (22) being connected to the bottom of the rotating motor (21), a scraper (23) being installed at one end of the rotating shaft (22), the scraper (23) being adapted to the filter screen (24), an electric control valve (12) being installed at one end of the water pipe (15), a backflush pipe (16) being connected to the lower end of the water pipe (15), and a sewage pipe (13) being connected to the upper end of the water pipe (15).

3. A sewage filtering device according to claim 1, characterized in that: The outer wall of the bottom of the base (1) is fixed with support legs (2) by bolts, and the support legs (2) are provided in multiple groups, and foot pads (3) are provided at the bottom of the support legs (2).

4. A sewage filtering device according to claim 1, characterized in that: An auxiliary frame (11) is provided on the top of the adding port (10), and the opening of the auxiliary frame (11) gradually expands upwards.

5. A sewage filtering device according to claim 1, characterized in that: A speed regulating motor (27) is fixed to the outer wall of the top of the purification chamber (9) by bolts. The bottom of the speed regulating motor (27) is connected to a transmission shaft (26). One end of the transmission shaft (26) is rotatably connected to the purification chamber (9). A fan blade (25) is installed at one end of the transmission shaft (26).

6. A sewage filtering device according to claim 3, characterized in that: A gasket (4) is provided at the bottom of the foot pad (3), and the gasket (4) is made of rubber material.

7. A sewage filtering device according to claim 1, characterized in that: A control panel (7) is fixed on the top outer wall of the base (1) by bolts.

8. The sewage filtering device according to claim 1, characterized in that: A connecting flange (14) is installed at the top end of the water delivery pipe (15).

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