Filtering paperboard production sewage filtering device
The barrel-shaped filter plate design solves the problem of filter plates being difficult to disassemble and replace, achieving high-efficiency filtration and low labor intensity, reducing replacement frequency and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG GREAT WALL FILTER CARDBOARD CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-16
AI Technical Summary
In current filter paperboard production, horizontally installed filter plates are difficult to disassemble and replace, resulting in high labor intensity and reduced filtration efficiency.
The filter uses a barrel-shaped filter plate with mounting rings at both ends. The lower end is inserted into the limiting groove, and the upper end is fixed by the groove and screws of the fixing plate to ensure stability. It is easy to install and disassemble. The vertical design allows impurities to settle at the bottom of the pool, reducing the frequency of replacement.
It improves the efficiency of filter plate replacement, reduces labor intensity, maintains filtration effect, and saves costs.
Smart Images

Figure CN224358088U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filtration equipment technology, specifically to a wastewater filtration device for the production of filter paperboard. Background Technology
[0002] The production of filter paperboard generates a large amount of wastewater. With scientific advancements and social development, as people's quality of life improves, the treatment of wastewater from filter paperboard production is a crucial step in enhancing the quality of the living and production environment and providing a strong guarantee for sustainable development.
[0003] Wastewater treatment in filter paperboard production involves filtration through filter plates. Flat filter plates, which are frequently used, tend to accumulate impurities after prolonged use, affecting filtration efficiency and necessitating replacement. Since the filter plates are typically installed horizontally in the center of the housing, and the housing has a certain height, it's difficult for personnel to remove them directly, making installation and disassembly cumbersome. Furthermore, horizontally installed filter plates accumulate impurities across their entire surface during operation, requiring frequent replacements, which is time-consuming, labor-intensive, and increases the workload for personnel. Utility Model Content
[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides a wastewater filtration device for filter paperboard production. It employs a barrel-shaped filter plate with mounting rings at both ends. The lower mounting ring is inserted into a limiting groove, while the upper mounting ring is limited by grooves in multiple fixing plates and secured with screws, ensuring the stability of the filter plate. The device features a simple structure, convenient installation and disassembly, improved filter plate replacement efficiency, and reduced labor intensity.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a wastewater filtration device for filter paperboard production, comprising a water tank, a barrel-shaped filter plate, and multiple fixing plates. The filter plate has mounting rings at its upper and lower ends, and the filter plate is at the same depth as the water tank. A limiting groove is provided at the bottom of the water tank, with a diameter equal to that of the barrel-shaped filter plate. The mounting ring at the lower end of the filter plate is inserted into the limiting groove. Multiple fixing plates are evenly arranged on the upper surface of the water tank. The fixing plates are rotatably connected to the outer side of the upper surface of the water tank via shaft connectors. The fixing plates can rotate to the inner side of the water tank and rest on the mounting ring at the upper end of the filter plate. A groove is provided on the bottom surface of the fixing plate corresponding to the mounting ring, and the groove can be fastened onto the mounting ring. Screws are screwed onto the fixing plates at positions corresponding to the mounting ring at the upper end of the filter plate. A water outlet pipe is provided at the bottom of the side wall of the water tank, and a valve is provided on the water outlet pipe.
[0006] Preferably, the bottom of the water tank is provided with multiple limiting grooves of different diameters, and multiple filter plates are set in the water tank through the multiple limiting grooves. The fixing plate is provided with corresponding grooves and screws at the positions of the filter plates, and the multiple filter plates can filter step by step from the inside to the outside.
[0007] Preferably, a sealing gasket is provided in the limiting groove, and the mounting ring at the lower end of the filter plate is inserted into the sealing gasket in the limiting groove.
[0008] Preferably, the shaft connector is provided with a torsion spring, which tends to flip the fixing plate toward the inside of the pool.
[0009] Preferably, the edge of the mounting ring is chamfered.
[0010] Preferably, a reinforcing fixing rod is provided between the mounting rings at the upper and lower ends of the filter plate.
[0011] This utility model provides a wastewater filtration device for filter paperboard production, which has the following beneficial effects:
[0012] 1. This utility model adopts a barrel-shaped filter plate with mounting rings at both ends. The mounting ring at the lower end is inserted into the limiting groove, and the mounting ring at the upper end is limited by the grooves of multiple fixing plates and fixed by screws to ensure the stability of the filter plate. The structure is simple, easy to install and disassemble, improves the efficiency of filter plate replacement, and reduces the labor intensity of personnel.
[0013] 2. The vertical design of the barrel-shaped filter plate in this utility model allows the filtered impurities to settle to the bottom of the pool due to gravity, while the upper surface of the filter plate maintains a good filtration effect, reducing the frequency of filter plate replacement, saving costs, and reducing the labor intensity of personnel. Attached Figure Description
[0014] Figure 1 This is a front cross-sectional view of a wastewater filtration device for filter paperboard production according to this utility model;
[0015] Figure 2 This is a top view of a wastewater filtration device for filter paperboard production according to this utility model;
[0016] Figure 3 This is a top cross-sectional view of a wastewater filtration device for filter paperboard production according to this utility model;
[0017] Figure 4 This is a schematic diagram of the fixed floor panel of this utility model;
[0018] Figure 5 This is a schematic diagram of the bottom of the pool in this utility model.
[0019] In the diagram: 1. Reinforcing rod; 2. Filter plate; 3. Water tank; 4. Mounting ring; 5. Limiting groove; 6. Sealing gasket; 7. Valve; 8. Water outlet pipe; 9. Torsion spring; 10. Shaft connector; 11. Fixing plate; 12. Groove; 13. Chamfer; 14. Screw. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figure 1-5 As shown, a wastewater filtration device for filter paperboard production includes a water tank 3, a barrel-shaped filter plate 2, and multiple fixing plates 11. The filter plate 2 has mounting rings 4 at its upper and lower ends. The filter plate 2 has the same depth as the water tank 3. A limiting groove 5 is provided at the bottom of the water tank 3, with a diameter identical to that of the barrel-shaped filter plate 2. The mounting ring 4 at the lower end of the filter plate 2 is inserted into the limiting groove 5. Multiple fixing plates 11 are evenly arranged on the upper surface of the water tank 3. The fixing plates 11 are rotatably connected to the outer side of the upper surface of the water tank 3 via shaft connectors 10. The fixing plates 11 can rotate to the inner side of the water tank 3 and rest on the mounting ring 4 at the upper end of the filter plate 2. A groove 12 is provided on the bottom surface of the fixing plate 11 corresponding to the mounting ring 4, and the groove 12 can be fastened onto the mounting ring 4. The fixing plates 11 and the corresponding filter plate 2... A screw 14 is screwed onto the mounting ring 4 at the end. A water outlet pipe 8 is provided at the bottom of the side wall of the water tank 3, and a valve 7 is provided on the water outlet pipe 8. Multiple limiting grooves 5 of different diameters are provided at the bottom of the water tank 3. Multiple filter plates 2 are set in the water tank 3 through the multiple limiting grooves 5. The fixing plate 11 is provided with corresponding grooves 12 and screws 14 at the positions of the filter plates 2. The multiple filter plates 2 can filter step by step from the inside to the outside. A sealing gasket 6 is provided in the limiting groove 5. The mounting ring 4 at the lower end of the filter plate 2 is inserted into the sealing gasket 6 in the limiting groove 5. A torsion spring 9 is provided on the shaft connector 10. The torsion spring 9 tends to flip the fixing plate 11 inward to the water tank 3. The edge of the mounting ring 4 is designed with a chamfer 13. A reinforcing fixing rod 1 is provided between the upper end and the lower end of the mounting ring 4 of the filter plate 2.
[0022] Its detailed connection methods are well-known technologies in this field. The following mainly introduces the working principle and process, as follows:
[0023] According to the instruction manual Figure 1-5As can be seen, when installing the filter plate 2 in this utility model, the barrel-shaped filter plate 2 is vertically inserted into the water tank 3 from above. The mounting ring 4 at the lower end of the filter plate 2 is inserted into the limiting groove 5. A sealing gasket 6 can be set in the limiting groove 5. The mounting ring 4 at the lower end of the filter plate 2 is inserted into the sealing gasket 6 in the limiting groove 5 to ensure sealing and installation stability. Then, multiple fixing plates 11 are flipped inward into the water tank 3 through the shaft connector 10 so that the groove 12 at the bottom of their respective ends is fastened to the mounting ring 4 of the filter plate 2. The fixing plates 11 and the mounting ring 4 are then fixed with screws 14 to ensure the stability of the filter plate 2. When disassembling, the screws 14 are removed, and the filter plate 2 can be taken out from above the water tank 3. During operation, sewage is injected from the top of the water tank 3 into the center of the barrel-shaped filter plate 2. After being filtered by the filter plate 2, it is discharged from the outlet pipe 8. This utility model uses a barrel-shaped filter plate 2. The filter plate 2 has mounting rings 4 at both ends. The lower mounting ring 4 is inserted into a limiting groove 5, and the upper mounting ring 4 is limited by the grooves 12 of multiple fixing plates 11 and fixed with screws 14, ensuring the stability of the filter plate 2. The structure is simple, easy to install and disassemble, improving the efficiency of filter plate 2 replacement and reducing labor intensity. The vertical design of the barrel-shaped filter plate 2 ensures that the filtered impurities will settle to the bottom of the water tank 3 due to gravity, maintaining good filtration effect on the upper surface of the filter plate 2, reducing the frequency of filter plate 2 replacement, saving costs, and reducing labor intensity.
[0024] The bottom of the water tank 3 is provided with multiple limiting grooves 5 of different diameters. Multiple filter plates 2 are installed in the water tank 3 through the multiple limiting grooves 5. The fixing plate 11 is provided with corresponding grooves 12 and screws 14 at the positions of the filter plates 2. The multiple filter plates 2 can filter step by step from the inside to the outside. This utility model can perform graded filtration while ensuring convenient installation and disassembly.
[0025] Among them, the shaft connector 10 is provided with a torsion spring 9, which tends to flip the fixing plate 11 towards the inside of the water tank 3, and press down the filter plate 2 during installation, which is convenient for personnel to install.
[0026] The mounting ring 4 has a chamfered edge 13 to facilitate insertion into the limiting groove 5 and the groove 12 for fastening.
[0027] A reinforcing fixing rod 1 is provided between the mounting rings 4 at the upper and lower ends of the filter plate 2 to increase the strength of the filter plate 2.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A filter paperboard production wastewater filtering device, characterized by, The utility model provides a filter device, including water tank (3), bucket -shaped filter board (2) and a plurality of fixed plate (11), the upper end and lower end of filter board (2) are provided with mounting ring (4) respectively, filter board (2) is same with the depth of water tank (3), the inner bottom of water tank (3) is provided with limiting groove (5), the diameter of limiting groove (5) is same with the diameter of bucket -shaped filter board (2), the mounting ring (4) of filter board (2) lower end is inserted in limiting groove (5), a plurality of fixed plate (11) are evenly provided on the upper end surface of water tank (3), and fixed plate (11) is rotatably connected with the position of the outer side of the upper end surface of water tank (3) through shaft connecting piece (10), and fixed plate (11) can rotate to the inside of water tank (3) and be supported on the mounting ring (4) of filter board (2) upper end, and recess (12) is seted up on the bottom surface of fixed plate (11) and corresponds the position of mounting ring (4), the recess (12) can be buckled on mounting ring (4), and the position of fixed plate (11) and corresponds filter board (2) upper end mounting ring (4) is provided with screw (14) and is rotatively connected, the bottom of the lateral wall of water tank (3) is provided with water outlet pipe (8), and water outlet pipe (8) is provided with valve (7).
2. The filter paperboard production wastewater filtering device according to claim 1, characterized in that, The inner bottom of water tank (3) is provided with a plurality of limiting grooves (5) with different diameters, a plurality of filter boards (2) are arranged in water tank (3) through the plurality of limiting grooves (5), the fixed plate (11) is provided with corresponding recess (12) and screw (14) corresponding to the position of filter board (2), and the plurality of filter boards (2) can be filtered step by step from inside to outside.
3. The filter paperboard production wastewater filtering device according to claim 1, characterized in that, The limiting groove (5) is provided with a sealing gasket (6), and the mounting ring (4) at the lower end of the filter board (2) is inserted into the sealing gasket (6) in the limiting groove (5).
4. The filter paperboard production wastewater filtering device according to claim 1, characterized in that, The shaft connecting piece (10) is provided with a torsion spring (9), which tends to turn the fixed plate (11) inwardly to the inside of the water tank (3).
5. The filter paperboard production wastewater filtering device according to claim 1, characterized in that, The edge of the mounting ring (4) is chamfered (13).
6. The filter paperboard production wastewater filtering device according to claim 1, characterized in that, A reinforcing fixing rod (1) is arranged between the mounting rings (4) at the upper and lower ends of the filter board (2).