Sewage treatment equipment with multi-stage filtration function

Abstract

The utility model provides sewage treatment equipment with a multi-stage filtering function, which relates to the technical field of sewage treatment and comprises a main body support, and the surface of the main body support is fixedly connected with a first-stage filtering tank. The device comprises a main body bracket, a first-stage filtering tank, a second-stage filtering tank, a first-stage filtering element frame, a PP cotton filtering element, a quartz sand filtering element, a second-stage filtering element frame, an activated carbon filtering element, a ceramic filtering element, a first water outlet, a first water inlet, a second water inlet, a second water outlet and a water pump, according to the sewage treatment device, sewage can be subjected to dust fall, PP cotton filtration, quartz sand filtration, activated carbon filtration and ceramic filtration step by step, so that large and small impurities and harmful substances in the water can be effectively removed, and through a supporting table, a lifting support, a sliding table, a first motor, a lead screw, a second motor, a positioning bolt and a lifting table, the sewage treatment efficiency is improved; therefore, the filter element can be disassembled and assembled more simply and conveniently, and the workload when the filter element needs to be replaced is reduced.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a wastewater treatment device with multi-stage filtration. Background Technology

[0002] Water, after use, often cannot be directly reused; instead, it needs to be filtered. This is where wastewater treatment devices come in. Publication number CN215250145U discloses a filter assembly for domestic wastewater treatment equipment. This utility model relates to the technical field of domestic wastewater treatment equipment. The filter assembly for domestic wastewater treatment equipment includes a filter bucket and a filter bag, with the filter bag located inside the lower part of the filter bucket. A through-hole is opened in the middle of the bottom of the filter bucket, and side openings communicating with the through-hole are opened in the middle of the left and right sides of the bottom of the filter bucket. Grooves communicating with the through-hole are opened in the middle of the front and rear sides of the bottom of the filter bucket, and magnetic sheets are fixed to the bottom of the inner walls of the side openings. A filter screen with communication with its interior is embedded on the outer surface of the filter bucket; a filter bag is embedded in the opening and the opening is sealed, and side blocks are fixed in the middle of both sides of the filter bag, and the side blocks are embedded in the side openings; the beneficial effect of this utility model is that it can store solid waste while filtering, which is convenient for subsequent centralized treatment, and at the same time, it can perform preliminary disinfection treatment on the collected solid waste. However, in reality, sewage contains many impurities and harmful substances, but this device can only filter out larger substances by using a filter screen, while many fine impurity particles in the water still cannot be removed. Moreover, the filter screen needs to be replaced after a period of use, and this device does not have a simpler treatment method, so it needs to be improved. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems mentioned in the background art.

[0004] This utility model adopts the following technical solution: a multi-stage filtration sewage treatment device, including a main support frame, a primary filter tank and a secondary filter tank fixedly connected to the surface of the main support frame, a primary filter cartridge frame threadedly connected inside the primary filter tank, a secondary filter cartridge frame threadedly connected inside the secondary filter tank, a support platform fixedly connected to the surface of the secondary filter tank, a lifting support fixedly connected to the surface of the support platform, a sliding table slidably connected inside the lifting support frame, a lifting platform rotatably connected to the surface of the sliding table, a first motor fixedly connected to the top of the lifting support frame, a lead screw rotatably connected to the inner surface of the lifting support frame, a second motor fixedly connected to the surface of the lifting platform, a positioning sleeve penetrating inside the lifting platform, a positioning bolt slidably connected inside the positioning sleeve, a first inlet and a first outlet opened on the surface of the primary filter tank, and a second inlet and a second outlet opened on the surface of the secondary filter tank.

[0005] Preferably, the interior of the first outlet is connected to the water pump, and the interior of the second inlet is also connected to the water pump. This allows water from the first outlet to be pumped to the second inlet.

[0006] Preferably, a PP cotton filter element is slidably connected inside the primary filter element holder, a quartz sand filter element is slidably connected inside the primary filter element holder, an activated carbon filter element is slidably connected inside the secondary filter element holder, and a ceramic filter element is slidably connected inside the secondary filter element holder. This allows wastewater to undergo multi-stage filtration sequentially.

[0007] Preferably, the output end of the first motor is fixedly connected to the lead screw, and the interior of the slide is threadedly connected to the lead screw. This allows the lead screw to drive the slide to rise and fall under the influence of the first motor.

[0008] Preferably, the output end of the second motor is fixedly connected to the positioning sleeve, the surface of the positioning bolt is slidably connected to the secondary filter element frame, and the surface of the positioning sleeve is threadedly connected to the secondary filter element frame. This allows the second motor to drive the positioning sleeve to rotate, the positioning bolt to slide on the secondary filter element frame, and the positioning sleeve to be fixed to the secondary filter element frame by rotation.

[0009] Preferably, a brush rod is threadedly connected to the surface of the positioning sleeve, a movable ring is rotatably connected to the surface of the brush rod, a flexible tube is connected inside the movable ring, a brush plate is slidably connected to the bottom end of the brush rod, a cleaning fluid nozzle is provided on the bottom surface of the brush plate, and a pivot pin is rotatably connected to the surface of the brush rod. This configuration allows the positioning sleeve and brush rod to be fixed by rotation, the movable ring to rotate on the brush rod, cleaning fluid to be injected into the movable ring through the flexible tube, the brush plate to move with the brush rod, and the pivot pin to rotate on the brush rod.

[0010] Preferably, the brush rod has a hollow interior, the interior of the movable ring is connected to the brush rod, the interior of the brush rod is connected to the cleaning fluid nozzle, and the surface of the rotating pin is slidably connected to the brush plate. This allows the cleaning fluid to flow through the movable ring within the brush rod and out of the cleaning fluid nozzle, while the rotating pin can fix the brush plate by rotation.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, through the main support, primary filter tank, secondary filter tank, primary filter cartridge holder, PP cotton filter cartridge, quartz sand filter cartridge, secondary filter cartridge holder, activated carbon filter cartridge, ceramic filter cartridge, first outlet, first inlet, second inlet, second outlet, and water pump, sewage can pass through dust settling, PP cotton filtration, quartz sand filtration, activated carbon filtration, and ceramic filtration in stages, thereby effectively removing impurities and harmful substances of all sizes in the water. Furthermore, through the support platform, lifting bracket, sliding table, first motor, lead screw, second motor, positioning bolt, and lifting platform, the filter cartridges can be more easily disassembled and installed, thereby reducing the workload when the filter cartridges need to be replaced.

[0013] 2. In this utility model, the use of a hose, movable ring, brush rod, brush plate, cleaning liquid nozzle, pivot pin, and positioning sleeve enables rapid cleaning when there is a lot of debris at the bottom of the tank, by using the brush plate in conjunction with the cleaning liquid, thus ensuring the subsequent filtration effect. Attached Figure Description

[0014] Figure 1 This utility model provides a schematic diagram of a multi-stage filtration wastewater treatment device;

[0015] Figure 2 This utility model provides a cross-sectional view of a primary filter tank and a secondary filter tank of a multi-stage filtration wastewater treatment device;

[0016] Figure 3 This utility model provides exploded views of a primary filter cartridge holder and a secondary filter cartridge holder for a multi-stage filtration wastewater treatment device.

[0017] Figure 4 This utility model provides a partial schematic diagram of the lifting support of a multi-stage filtration sewage treatment device;

[0018] Figure 5 This utility model provides a schematic diagram of the brush rod section of the primary filter tank of a multi-stage filtration wastewater treatment device.

[0019] Figure 6 This utility model proposes a multi-stage filtration wastewater treatment device. Figure 5 Enlarged view of point A in the middle.

[0020] Legend:

[0021] 1. Main support frame; 2. Primary filter tank; 3. Secondary filter tank; 4. Primary filter cartridge holder; 5. PP cotton filter cartridge; 6. Quartz sand filter cartridge; 7. Support platform; 8. Lifting bracket; 9. Slide table; 10. First motor; 11. Lead screw; 12. Second motor; 13. Positioning bolt; 14. Secondary filter cartridge holder; 15. Activated carbon filter cartridge; 16. Ceramic filter cartridge; 17. First outlet; 18. First inlet; 19. Second inlet; 20. Second outlet; 21. Drain outlet; 22. Water pump; 23. Hose; 24. Movable ring; 25. Brush rod; 26. Brush plate; 27. Cleaning liquid nozzle; 28. Turning pin; 29. ​​Positioning sleeve; 30. Lifting platform. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1

[0025] Please see Figure 1-4This utility model provides a technical solution: a multi-stage filtration wastewater treatment device, including a main support 1. A primary filter tank 2 and a secondary filter tank 3 are fixedly connected to the surface of the main support 1, so that both the primary filter tank 2 and the secondary filter tank 3 can be fixedly placed on the main support 1. A primary filter cartridge frame 4 is threadedly connected inside the primary filter tank 2, and a secondary filter cartridge frame 14 is threadedly connected inside the secondary filter tank 3, so that the primary filter cartridge frame 4 and the secondary filter cartridge frame 14 can be placed inside the primary filter tank 2 and the secondary filter tank 3 respectively. A support platform 7 is fixedly connected to the surface of the secondary filter tank 3, and a lifting bracket 8 is fixedly connected to the surface of the support platform 7. The lifting bracket 8 can be fixed on the secondary filter tank 3. A slide table 9 is slidably connected inside the lifting bracket 8, and a lifting platform 30 is rotatably connected to the surface of the slide table 9, allowing the lifting platform 30 to move and rotate with the slide table 9. A first motor 10 is fixedly connected to the top of the lifting bracket 8, and a lead screw 11 is rotatably connected to the inner surface of the lifting bracket 8, allowing the first motor 10 and the lead screw 11 to be placed on the lifting bracket 8. A second motor 12 is fixedly connected to the surface of the lifting platform 30, and a positioning sleeve 29 passes through the interior of the lifting platform 30, allowing the positioning sleeve 29 and the second motor 12 to move with the lifting platform 30. A positioning bolt 13 is slidably connected inside the positioning sleeve 29, allowing the positioning bolt 13 to move within the positioning sleeve 29. The primary filter tank 2 has a first inlet 18 and a first outlet 17 on its surface, and the secondary filter tank 3 has a second inlet 19 and a second outlet 20 on its surface, allowing wastewater to be introduced into the primary filter tank 2 and then into the secondary filter tank 3. The interior of the first outlet 17 is connected to the water pump 22, and the interior of the second inlet 19 is also connected to the water pump 22, allowing water from the first outlet 17 to be transported to the second inlet 19 by the water pump 22. A PP cotton filter element 5 and a quartz sand filter element 6 are slidably connected inside the primary filter element frame 4. An activated carbon filter element 15 is slidably connected inside the secondary filter element frame 14. The internal sliding connection of the 4 is a ceramic filter element 16, which allows the sewage to be filtered in multiple stages. The output end of the first motor 10 is fixedly connected to the lead screw 11. The interior of the slide table 9 is threadedly connected to the lead screw 11, so that the lead screw 11 drives the slide table 9 to rise and fall under the drive of the first motor 10. The output end of the second motor 12 is fixedly connected to the positioning sleeve 29, so that the second motor 12 can drive the positioning sleeve 29 to rotate. The surface of the positioning bolt 13 is slidably connected to the secondary filter element frame 14, so that the positioning bolt 13 can slide on the secondary filter element frame 14. The surface of the positioning sleeve 29 is threadedly connected to the secondary filter element frame 14, so that the positioning sleeve 29 can be fixed to the secondary filter element frame 14 by rotation.

[0026] Example 2

[0027] Please see Figure 5-6The positioning sleeve 29 is threadedly connected to a brush rod 25, allowing the positioning sleeve 29 and the brush rod 25 to be fixed by rotation. A movable ring 24 is rotatably connected to the surface of the brush rod 25, allowing the movable ring 24 to rotate on the brush rod 25. A hose 23 is connected inside the movable ring 24, allowing cleaning fluid to be injected into the movable ring 24 through the hose 23. A brush plate 26 is slidably connected to the bottom end of the brush rod 25. A cleaning fluid nozzle 27 is opened on the bottom surface of the brush plate 26. A pivot pin 28 is rotatably connected to the surface of the brush rod 25, allowing the brush plate 26 to move with the brush rod 25. The pivot pin 28 can rotate on the brush rod 25. The brush rod 25 has a hollow internal structure. The interior of the movable ring 24 is connected to the brush rod 25, and the interior of the brush rod 25 is connected to the cleaning fluid nozzle 27, allowing the cleaning fluid to flow through the movable ring 24 inside the brush rod 25 and out of the cleaning fluid nozzle 27. The surface of the pivot pin 28 is slidably connected to the brush plate 26, allowing the pivot pin 28 to fix the brush plate 26 by rotation.

[0028] Working principle: When wastewater needs to be filtered, firstly, place the primary filter cartridge frame 4 under the positioning sleeve 29. Start the first motor 10, which drives the lead screw 11 to rotate, causing the slide 9 to lower the lifting platform 30. Simultaneously, start the second motor 12, which connects the positioning sleeve 29 to the screw thread. After the second motor 12 rotates the positioning sleeve 29 into position, insert and fix the positioning bolt 13. Start the first motor 10 to raise the primary filter cartridge frame 4 and rotate the lifting platform 30 above the primary filter tank 2. Then, start the first motor 10 again to lower the primary filter cartridge frame 4 until the bottom thread contacts the thread of the primary filter tank 2. Start the second motor 12, which drives the positioning sleeve 29 to rotate in the opposite direction, thus rotating the primary filter cartridge frame 4 until it reaches the correct position. Finally, remove the positioning bolt 13. The positioning plug 13 restarts the second motor 12 and the first motor 10 until the positioning sleeve 29 leaves the primary filter cartridge frame 4. The assembly of the secondary filter cartridge frame 14 is completed through the same operation. The two tank covers are closed, and wastewater is injected into the primary filter tank 2 through the first inlet 18. The wastewater settles at the bottom of the primary filter tank 2. When the wastewater submerges the first inlet 18, the water pump 22 is started. The water pump 22, in conjunction with the wastewater injection, accelerates the wastewater's passage through the quartz sand filter cartridge 6 for primary filtration, and then through the PP cotton filter cartridge 5 for secondary filtration. The purified water is then pumped by the water pump 22 from the first outlet 17 through the second inlet 19 into the secondary filter tank 3. It first passes through the ceramic filter cartridge 16 and finally through the activated carbon filter, thus completing the wastewater filtration. The filtered water can then be discharged through the second outlet 20. If the filter cartridge's effect is unsatisfactory, the filter cartridge can be removed by reversing the installation steps, and then reinstalled. When the bottom of the first and second filter tanks needs cleaning, first remove their filter elements, and then rotate and fix the brush rod 25 by rotating the positioning sleeve 29 driven by the second motor 12. After fixing it by inserting the positioning bolt 13, rotate the lifting platform 30 until it moves onto the first-stage filter tank 2. Start the first motor 10 and the second motor 12 so that the brush rod 25 drives the brush plate 26 to descend and rotate while contacting the inside. At the same time, the cleaning liquid is injected through the hose 23, so that the cleaning liquid flows into the movable ring 24, then into the inside of the brush rod 25, and finally discharged from the cleaning liquid nozzle 27. This allows the brush plate 26 to be cleaned more effectively by the cleaning liquid. Finally, open the drain port 21 to let the sewage flow out. The cleaning work of the second-stage filter tank 3 can be completed in the same way. When the brush plate 26 needs to be replaced, the rotating pin 28 can be rotated to replace the brush plate 26.

[0029] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A multi-stage filtration sewage treatment plant having a main body support (1), characterized in that: The surface of the main support (1) is fixedly connected with a first filter tank (2), the surface of the main support (1) is fixedly connected with a second filter tank (3), the inside of the first filter tank (2) is threadedly connected with a first filter element holder (4), the inside of the second filter tank (3) is threadedly connected with a second filter element holder (14), the surface of the second filter tank (3) is fixedly connected with a supporting table (7), the surface of the supporting table (7) is fixedly connected with a lifting support (8), the inside of the lifting support (8) is slidably connected with a sliding table (9), the surface of the sliding table (9) is rotatably connected with a lifting table (30), the top end of the lifting support (8) is fixedly connected with a first motor (10), the inner surface of the lifting support (8) is rotatably connected with a lead screw (11), the surface of the lifting table (30) is fixedly connected with a second motor (12), the inside of the lifting table (30) penetrates a positioning sleeve (29), the inside of the positioning sleeve (29) is slidably connected with a positioning bolt (13), the surface of the first filter tank (2) is provided with a first water inlet (18) and a first water outlet (17), the surface of the second filter tank (3) is provided with a second water inlet (19) and a second water outlet (20).

2. The multi-stage filtration sewage treatment apparatus according to claim 1, characterized by: The inside of the first water outlet (17) is communicated with a water pump (22), and the inside of the second water inlet (19) is communicated with the water pump (22).

3. The multi-stage filtration sewage treatment apparatus according to claim 1, wherein: The inside of the first filter element holder (4) is slidably connected with a PP cotton filter element (5), the inside of the first filter element holder (4) is slidably connected with a quartz sand filter element (6), the inside of the second filter element holder (14) is slidably connected with an activated carbon filter element (15), and the inside of the second filter element holder (14) is slidably connected with a ceramic filter element (16).

4. The multi-stage filtration sewage treatment apparatus according to claim 1, wherein: The output end of the first motor (10) is fixedly connected with the lead screw (11), and the inside of the sliding table (9) is threadedly connected with the lead screw (11).

5. The multi-stage filtration sewage treatment apparatus according to claim 1, wherein: The output end of the second motor (12) is fixedly connected with the positioning sleeve (29), the surface of the positioning bolt (13) is slidably connected with the second filter element holder (14), and the surface of the positioning sleeve (29) is threadedly connected with the second filter element holder (14).

6. The multi-stage filtration sewage treatment apparatus according to claim 1, wherein: The surface of the positioning sleeve (29) is threadedly connected with a brush rod (25), the surface of the brush rod (25) is rotatably connected with a movable ring (24), the inside of the movable ring (24) is communicated with a hose (23), the bottom end of the brush rod (25) is slidably connected with a brush plate (26), the bottom surface of the brush plate (26) is provided with a cleaning liquid nozzle (27), and the surface of the brush rod (25) is rotatably connected with a rotating pin (28).

7. The multi-stage filtration sewage treatment apparatus according to claim 6, wherein: The inside of the brush rod (25) is a hollow structure, the inside of the movable ring (24) is communicated with the brush rod (25), the inside of the brush rod (25) is communicated with the cleaning liquid nozzle (27), and the surface of the rotating pin (28) is slidably connected with the brush plate (26).

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