A greywater recycling ultrafiltration membrane filtration device

By introducing an electric telescopic rod and lifting arm structure into the ultrafiltration membrane filtration equipment, convenient replacement and cleaning of the ultrafiltration membrane filter element are achieved, solving the problem of inconvenient maintenance of existing equipment and improving operating efficiency.

CN224279865UActive Publication Date: 2026-05-26NANJING DINGSHIHE MEMBRANE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING DINGSHIHE MEMBRANE TECH CO LTD
Filing Date
2025-06-13
Publication Date
2026-05-26

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    Figure CN224279865U_ABST
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Abstract

This utility model discloses a greywater recycling ultrafiltration membrane filtration device, belonging to the field of greywater recycling technology. It includes a mounting frame, with a fixed plate fixedly connected to the middle of the inner walls on both sides of the mounting frame. Lifting plates are slidably connected to the top inner sides of both sides of the mounting frame. Lifting arms are symmetrically installed between the fixed plate and the lifting plate on the same side. Each lifting arm has an electric telescopic rod rotatably connected to one side via a pin, and the top and bottom ends of the electric telescopic rod are respectively connected to the hinge points at both ends of the lifting arm. This greywater recycling ultrafiltration membrane filtration device, by setting up electric telescopic rods, lifting arms, lifting plates, and movable plates, allows the lifting arms to move the lifting plates upwards, thereby causing the lifting plates to move the movable plates between the lifting plates upwards. This causes the movable plates to move the sealing cover upwards, disengaging it from the top of the protective cylinder, thus opening the top of the protective cylinder and allowing the ultrafiltration membrane filter element to be removed from the top of the protective cylinder, facilitating the replacement of the ultrafiltration membrane filter element.
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Description

Technical Field

[0001] This utility model belongs to the field of greywater recycling technology, specifically a greywater recycling ultrafiltration membrane filtration device. Background Technology

[0002] Reclaimed water refers to non-potable water that has been properly treated from domestic sewage, industrial wastewater, or rainwater to meet certain water quality standards and can be reused within a certain range. Reclaimed water reuse is an important way of water resource recycling. Reclaimed water recycling ultrafiltration membrane filtration equipment is a highly efficient water treatment technology, mainly used to remove suspended solids, colloids, bacteria, and macromolecular organic matter from sewage, reduce water turbidity, and achieve water clarification. When using existing ultrafiltration membrane filtration equipment, after a period of use, the ultrafiltration membrane inside the equipment needs to be maintained, inspected, and replaced. However, the pipes connected to the ultrafiltration membrane cartridge are usually bolted, making the maintenance of the ultrafiltration membrane module relatively inconvenient. Utility Model Content

[0003] To overcome the above-mentioned defects, this utility model provides a greywater recycling ultrafiltration membrane filtration device, which solves the problem that after a period of use, the ultrafiltration membrane inside the device needs to be maintained, repaired and replaced. However, the pipes connected to the ultrafiltration membrane cartridge are usually bolted, which makes the maintenance of the ultrafiltration membrane module inconvenient.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a greywater recycling ultrafiltration membrane filtration device, comprising a mounting frame, a fixed plate fixedly connected to the middle position of the inner walls on both sides of the mounting frame, a lifting plate slidably connected to the top of the inner walls on both sides of the mounting frame, lifting arms symmetrically installed between the fixed plate and the lifting plate on the same side, an electric telescopic rod rotatably connected to one side of each lifting arm via a pin shaft, and the top and bottom ends of the electric telescopic rod are respectively connected to the hinges at both ends of the lifting arm, a sliding groove symmetrically opened on the opposite side of the fixed plate and the lifting plate, a limiting seat slidably connected through the sliding groove, the limiting seat being fixedly connected to the lifting arm, a movable plate fixedly connected between the two lifting plates, a diversion pipe installed on the top of the movable plate, four sealing caps fixedly connected to the bottom of the movable plate, the sealing caps communicating with the diversion pipe, an mounting plate fixedly connected inside the mounting frame, four protective cylinders fixedly connected to the top of the mounting plate, the protective cylinders corresponding to the sealing caps.

[0005] As a further embodiment of this utility model: a rubber pad is fixedly connected to the inner wall of the sealing cover, and the rubber pad is in close contact with the top of the outer surface of the protective cylinder.

[0006] As a further embodiment of this utility model: a flow collector is fixedly installed at the bottom of the mounting plate, and the flow collector is connected to the bottom of the protective cylinder.

[0007] As a further embodiment of this utility model: a lower water outlet valve is installed on one side of the bottom of the collecting pipe, and a backflow flushing valve is provided on the side of the bottom of the collecting pipe away from the lower water outlet valve.

[0008] As a further embodiment of this utility model: a flexible tube is fixedly connected to the top of the diversion pipe, and an inlet valve is installed on the side of the flexible tube that passes through the mounting bracket.

[0009] As a further embodiment of this utility model: a backflow outlet valve is provided on the side of the hose that passes through the mounting bracket away from the inlet valve, and an ultrafiltration membrane filter element is installed inside the protective cylinder.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] This wastewater recycling ultrafiltration membrane filtration equipment is equipped with electric telescopic rods, lifting arms, lifting plates, and movable plates. The electric telescopic rods on both sides of the mounting frame drive the lifting arms to move, which in turn moves the lifting plates upward. This causes the movable plates between the lifting plates to move upward, and the movable plates move the sealing cover upward and away from the top of the protective cylinder, thus opening the top of the protective cylinder and removing the ultrafiltration membrane filter element from the top of the protective cylinder, making it convenient to replace the ultrafiltration membrane filter element.

[0012] This ultrafiltration membrane filtration equipment for wastewater recycling, equipped with a backflow flushing valve, hose, backflow outlet valve, and manifold, allows for rapid cleaning of the ultrafiltration membrane filter element when cleaning is required. The lower outlet valve and backflow outlet valve are closed, while the backflow outlet valve and backflow flushing valve are opened, allowing water to enter the manifold through the backflow flushing valve. The water then flows into the protective cylinder through the manifold, contacting the ultrafiltration membrane filter element and flushing it. The water then flows through the diverter to the backflow outlet valve and is discharged. This allows for quick cleaning of the ultrafiltration membrane filter element without disassembling it, improving cleaning efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional structural diagram of the fixed plate and the lifting plate of this utility model;

[0015] Figure 3 This is a cross-sectional structural diagram of the protective cylinder and ultrafiltration membrane filter element of this utility model;

[0016] In the diagram: 1. Mounting frame; 2. Fixing plate; 3. Lifting arm; 4. Lifting plate; 5. Slide groove; 6. Limit seat; 7. Electric telescopic rod; 8. Movable plate; 9. Diverter pipe; 10. Sealing cover; 11. Rubber pad; 12. Mounting plate; 13. Protective cylinder; 14. Ultrafiltration membrane filter element; 15. Collector pipe; 16. Bottom outlet valve; 17. Backflow flushing valve; 18. Hose; 19. Inlet valve; 20. Backflow outlet valve. Detailed Implementation

[0017] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0018] like Figure 1-3 As shown, this utility model provides a technical solution: a greywater recycling ultrafiltration membrane filtration device, including a mounting frame 1, a fixed plate 2 fixedly connected to the middle position of the inner walls on both sides of the mounting frame 1, a lifting plate 4 slidably connected to the top of the inner sides of the mounting frame 1, and lifting arms 3 symmetrically installed between the fixed plate 2 and the lifting plate 4 on the same side. Each lifting arm 3 is rotatably connected to an electric telescopic rod 7 on one side by a pin shaft, and the top and bottom ends of the electric telescopic rod 7 are respectively connected to the hinges at both ends of the lifting arm 3. By setting the electric telescopic rod 7, the electric telescopic rod 7 extends outward to drive the lifting arm 3 to move, so that the lifting arm 3 can drive the lifting plate 4 to move upward, so that the lifting plate 4 drives the movable plate 8 to move upward.

[0019] The fixed plate 2 and the lifting plate 4 are symmetrically provided with a sliding groove 5. The sliding groove 5 is slidably connected to a limit seat 6. The limit seat 6 is fixedly connected to the lifting arm 3. By setting the limit seat 6, as the electric telescopic rod 7 drives the lifting arm 3 to move, the lifting arm 3 drives the limit seat 6 to slide in the sliding groove 5, so that the sliding groove 5 can limit the movement of the lifting arm 3 through the limit seat 6.

[0020] A movable plate 8 is fixedly connected between the two lifting plates 4. A diversion pipe 9 is installed on the top of the movable plate 8. A hose 18 is fixedly connected to the top of the diversion pipe 9. An inlet valve 19 is installed on the side of the hose 18 that passes through the mounting frame 1. A backflow outlet valve 20 is provided on the side of the hose 18 that passes through the mounting frame 1 away from the inlet valve 19. An ultrafiltration membrane filter element 14 is installed inside the protective cylinder 13. By setting the hose 18, the hose 18 can move together with the movable plate 8, which facilitates water to enter the interior of the sealing cover 10.

[0021] Four sealing covers 10 are fixedly connected to the bottom of the movable plate 8. Rubber pads 11 are fixedly connected to the inner wall of the sealing cover 10. The rubber pads 11 are tightly attached to the top of the outer surface of the protective cylinder 13. By setting the rubber pads 11, the rubber pads 11 are tightly attached to the top of the protective cylinder 13, thereby achieving a sealing treatment at the opening of the protective cylinder 13 and increasing the sealing performance between the protective cylinder 13 and the sealing cover 10.

[0022] The sealing cover 10 is connected to the diversion pipe 9. The mounting plate 12 is fixedly connected inside the mounting bracket 1. The bottom of the mounting plate 12 is fixedly installed with the collection pipe 15. The collection pipe 15 is connected to the bottom of the protective cylinder 13. By setting the collection pipe 15, the collection pipe 15 can collect the water filtered by the ultrafiltration membrane filter element 14 in a unified manner, so that the water can be discharged through the lower outlet valve 16.

[0023] A lower outlet valve 16 is installed on one side of the bottom of the manifold 15. A backflow flushing valve 17 is provided on the side of the bottom of the manifold 15 away from the lower outlet valve 16. By setting the backflow flushing valve 17 and closing the backflow flushing valve 17, water is prevented from being discharged through the backflow flushing valve 17, thus guiding the water.

[0024] Four protective cylinders 13 are fixedly connected to the top of the mounting plate 12. The protective cylinders 13 correspond to the sealing cover 10. By setting the protective cylinders 13, the ultrafiltration membrane filter element 14 is installed inside the protective cylinders 13, so that the protective cylinders 13 can protect the ultrafiltration membrane filter element 14.

[0025] The working principle of this utility model is as follows:

[0026] In use, water enters the hose 18 through the inlet valve 19. The water then flows through the hose 18 into the diverter pipe 9, which in turn diverts it into the protective cylinder 13. There, it comes into contact with the ultrafiltration membrane filter element 14 inside the protective cylinder 13, allowing the ultrafiltration membrane filter element 14 to filter the water. The water then flows downwards into the manifold 15 and is discharged from the device through the lower outlet valve 16 at the bottom of the manifold 15. When cleaning the ultrafiltration membrane filter element 14 is required, the lower outlet valve 16 and the inlet valve 19 are closed, while the backflow flushing valve 17 and the backflow outlet valve 20 are opened. Water is then guided through the backflow flushing valve 17 into the manifold 15 and flows from the manifold 15... The water enters the protective cylinder 13 and flushes the ultrafiltration membrane filter element 14 inside the protective cylinder 13 to clean the ultrafiltration membrane filter element 14. After cleaning, the water flows through the diversion pipe 9 to the backflow outlet valve 20 and is discharged from the equipment through the backflow outlet valve 20. When the ultrafiltration membrane filter element 14 needs to be replaced after long-term use, the electric telescopic rod 7 is activated. The electric telescopic rod 7 drives the lifting arm 3 to move, so that the lifting arm 3 pushes the lifting plate 4 upward. The movable plate 8 moves upward with the lifting plate 4, causing the sealing cover 10 to detach from the top of the protective cylinder 13, thereby facilitating the removal of the ultrafiltration membrane filter element 14 from the top of the protective cylinder 13 for easy replacement and maintenance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A water-reclaiming ultrafiltration membrane filter apparatus comprising a mounting rack (1), characterized in that: On the middle positions of the inner walls on both sides of the mounting frame (1), there are fixedly connected fixing plates (2). On the inner tops on both sides of the mounting frame (1), there are slidingly connected lifting plates (4). Between the fixing plates (2) and the lifting plates (4) on the same side, there are symmetrically installed lifting arms (3). On one side of each lifting arm (3), there is a motorized telescopic rod (7) rotatably connected by a pin shaft, and the top and bottom ends of the motorized telescopic rod (7) are respectively connected to the hinge joints at both ends of the lifting arm (3). On the opposite sides of the fixing plates (2) and the lifting plates (4), there are symmetrically opened sliding grooves (5). Inside the sliding grooves (5), there is a limiting seat (6) slidably penetrating through. The limiting seat (6) is fixedly connected to the lifting arm (3). Between the two lifting plates (4), there is a movable plate (8) fixedly connected. On the top of the movable plate (8), there is a shunt pipe (9) installed. On the bottom of the movable plate (8), there are four sealing caps (10) fixedly connected. The sealing caps (10) are communicated with the shunt pipe (9). Inside the mounting frame (1), there is a mounting plate (12) fixedly connected. On the top of the mounting plate (12), there are four protective cylinders (13) fixedly connected. The protective cylinders (13) correspond to the positions of the sealing caps (10).

2. The water-reclaiming ultrafiltration membrane filter apparatus according to claim 1, wherein: On the inner wall of the sealing cap (10), there is a rubber pad (11) fixedly connected. The rubber pad (11) is tightly pressed against the top outer surface of the protective cylinder (13).

3. The water-reclaiming ultrafiltration membrane filter apparatus according to claim 1, characterized by: On the bottom of the mounting plate (12), there is a collecting pipe (15) fixedly installed. The collecting pipe (15) is communicated with the bottom of the protective cylinder (13).

4. The water-reclaiming ultrafiltration membrane filter apparatus according to claim 3, wherein: On one side of the bottom of the collecting pipe (15), there is a lower water outlet valve (16) installed. On the side of the bottom of the collecting pipe (15) far from the lower water outlet valve (16), there is a reverse flow flushing valve (17) arranged.

5. The water-reclaiming ultrafiltration membrane filter apparatus according to claim 1, wherein: On the top of the shunt pipe (9), there is a hose (18) fixedly connected. The top of the hose (18) passes through one side of the mounting frame (1) and there is an inlet flow valve (19) installed.

6. The water-reclaiming ultrafiltration membrane filter apparatus according to claim 5, wherein: On the side of the top of the hose (18) passing through the mounting frame (1) far from the inlet flow valve (19), there is a reverse flow water outlet valve (20) arranged. Inside the protective cylinder (13), there is an ultrafiltration membrane filter element (IS) installed.