Large-flow filter element with layered filter structure
Through the layered filter structure and the filter mesh design of the mesh connection, the problem of poor filtration effect of large flow filter elements in wastewater treatment is solved, and the service life and stability of the filter elements are improved.
Patent Information
- Application Number
- CN202422463510.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing high-flow filter element has poor filtration effect in wastewater treatment, resulting in large loss of filter element and short service life.
The layered filter structure is adopted, including a double-layer hollow filter and a fitting structure. It is connected to the docking groove of the filter screen and combined with the fixing of the lock bolts and lock seats to achieve stable installation and rapid disassembly of the filter element.
It improves the filtering effect and service life of the filter element, and enhances the stability and disassembly efficiency of the filter element.
Smart Images

Figure CN223170466U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of large-flow filter elements, and in particular relates to a large-flow filter element with a layered filtering structure. Background Art
[0002] A high-flow filter element is a specialized device used for filtration and purification. Its structure consists of the following components: The end cap is typically made of high-strength polypropylene (PP) material, which offers excellent mechanical strength and chemical stability. It can withstand a certain amount of pressure and the erosion of various chemicals during the filtration process, serving to secure and seal the filter element. The filter layer is the core of the filter element and is composed of a variety of filter materials, including a protective mesh, non-woven fabric, and a high-precision filter membrane. The protective mesh prevents the filter element from external mechanical damage during use; the non-woven fabric performs preliminary filtration, intercepting larger particles and impurities; and the high-precision filter membrane is responsible for finely filtering the fluid, removing tiny particles, suspended matter, bacteria, and other contaminants.
[0003] Water treatment industry: including pre-filtration of reverse osmosis system, purification filtration of various process water, filtration of power plant feed water, condensate water, stator cooling water, etc., is the main application field of large-flow filter elements. Common large-flow filter elements on the market use filter elements to treat wastewater. This type of large-flow filter element only relies on the filtering characteristics of the filter element itself to filter the wastewater, reducing the filtering effect of the large-flow filter element, and increasing the loss of the large-flow filter element, reducing the service life of the large-flow filter element. Utility Model Content
[0004] The purpose of the utility model is to provide a large-flow filter element with a layered filtering structure, aiming to solve the problem in the prior art that when the above-mentioned large-flow filter element is in use, the common large-flow filter element on the market adopts a filter element to treat wastewater. This type of large-flow filter element only relies on the filtering characteristics of the filter element itself to filter the wastewater, which reduces the filtering effect of the large-flow filter element, increases the loss of the large-flow filter element, and reduces the service life of the large-flow filter element.
[0005] To achieve the above object, the present invention provides the following technical solution: a large flow filter element with a layered filtering structure, comprising a filter element housing and mounting plates mounted on both ends of the filter element housing, a water inlet cylinder being connected to the surface of the mounting plate, and a filter element being connected to the inner wall of the filter element housing;
[0006] The inner side of the filter element is connected to a filter screen, both ends of the filter screen are connected to fastening plates, the outer side of the fastening plate is connected to a docking plate, the outer surface of the fastening plate is connected to an assembly plate, and a docking groove is provided on the bottom surface of the assembly plate near the docking plate.
[0007] Preferably, as a large-flow filter element with a layered filtration structure of the present utility model, the filter screen is a double-layer hollow structure, and the outer side wall of the filter screen is in contact with the inner side wall of the filter element.
[0008] Preferably, as a large-flow filter element with a layered filtration structure of the present utility model, the filter screen and the docking groove at the bottom surface of the assembly plate form a fitting structure through the docking plate.
[0009] Preferably, as a large-flow filter element with a layered filtration structure of the present utility model, a locking seat is connected to the surface of the assembly plate close to the mounting plate, and four locking seats are provided.
[0010] Preferably, as a large-flow filter element with a layered filtration structure of the present utility model, a locking hole is opened at the bottom surface of the mounting plate close to the locking seat, and the locking hole at the bottom surface of the locking seat is docked with the locking seat.
[0011] Preferably, as a large-flow filter element with a layered filtration structure of the present utility model, a locking bolt penetrates through the surface of the mounting plate, and the locking bolt passes through the mounting plate and is threadedly connected to the locking seat.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] In the present utility model, the filter element is placed inside the filter element housing, and the double-layer filter screen is placed inside the filter element. Then, the docking plates at both ends of the filter screen are docked with the docking grooves at the bottom surface of the assembly plate, which facilitates the stable assembly of the filter screen. Wastewater enters the large-flow filter element through the water inlet cylinder. First, the filter screen filters the particulate impurities contained in the wastewater. In addition, the double-layer structure can improve the filtration effect. Then, the filter element filters the harmful substances in the wastewater, enabling the large-flow filter element to have a layered filtration function and extending the service life of the large-flow filter element. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:
[0015] Figure 1 is a schematic diagram of the overall structure of the large-flow filter element of the present utility model;
[0016] Figure 2 is a schematic diagram of the exploded structure of the large-flow filter element of the present utility model;
[0017] Figure 3 is a schematic diagram of the filter element mounting structure of the present utility model;
[0018] Figure 4Schematic cross-sectional structure diagram of the filter screen of the present utility model;
[0019] Figure 5 Schematic diagram of the butt joint structure of the cross-section of the filter element of the present utility model;
[0020] Figure 6 Schematic exploded view of the mounting plate of the present utility model;
[0021] Figure 7 Schematic connection structure diagram of the locking seat of the present utility model.
[0022] In the figure: 1, filter element housing; 2, mounting plate; 3, water inlet cylinder; 4, filter element; 5, filter screen; 6, fastening plate; 7, docking plate; 8, assembly plate; 9, docking groove; 10, locking seat; 11, locking hole; 12, locking bolt. Detailed implementation manners
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figure 1-7 , the present utility model provides the following technical solutions: A large-flow filter element with a layered filtration structure, including a filter element housing 1 and mounting plates 2 installed at both ends of the filter element housing 1. The surface of the mounting plate 2 is connected with a water inlet cylinder 3, and the inner wall of the filter element housing 1 is connected with a filter element 4;
[0025] The inner side of the filter element 4 is connected with a filter screen 5. Both ends of the filter screen 5 are connected with fastening plates 6. The outer side of the fastening plate 6 is connected with a docking plate 7. The outer surface of the fastening plate 6 is connected with an assembly plate 8. A docking groove 9 is opened at the bottom surface of the assembly plate 8 close to the docking plate 7.
[0026] Preferably: The filter screen 5 is a double-layer hollow structure, and the outer side wall of the filter screen 5 is in contact with the inner side wall of the filter element 4.
[0027] During specific use, through the use of the filter screen 5, it is convenient to perform multi-layer filtration treatment on wastewater, and the service life of the large-flow filter element is improved.
[0028] Preferably: The filter screen 5 forms a fitting structure with the docking groove 9 at the bottom surface of the assembly plate 8 through the docking plate 7.
[0029] During specific use, by docking the docking plate 7 at the top of the filter screen 5 with the assembly plate 8, it is convenient to stably install the filter screen 5.
[0030] Preferably, a locking seat 10 is connected to the surface of the assembly plate 8 close to the mounting plate 2, and there are four locking seats 10.
[0031] During specific use, by using the locking seat 10, it is convenient to improve the stability of the large-flow filter element.
[0032] Preferably, a locking hole 11 is opened on the bottom surface of the mounting plate 2 close to the locking seat 10, and the locking hole 11 on the bottom surface of the locking seat 10 is docked with the locking seat 10.
[0033] During specific use, by fitting and docking the locking seat 10 with the locking hole 11, it is convenient to stably dock the mounting plate 2 and the filter element housing 1 and avoid deviation.
[0034] Preferably, a locking bolt 12 is connected through the surface of the mounting plate 2, and the locking bolt 12 passes through the mounting plate 2 and is threadedly connected to the locking seat 10.
[0035] During specific use, by passing the locking bolt 12 through the mounting plate 2 and the locking seat 10, it is convenient to stably install the mounting plate 2, and thus it is convenient to quickly assemble and join the large-flow filter element.
[0036] The working principle of the present utility model during specific use: First, place the filter element 4 inside the filter element housing 1, and place the double-layer structure filter screen 5 inside the filter element 4. Drive the docking plates 7 at both ends of the filter screen 5 to dock with the docking grooves 9 on the bottom surface of the assembly plate 8, which is convenient to stably assemble the filter screen 5. Waste water enters the large-flow filter element through the water inlet cylinder 3. First, the filter screen 5 filters the particulate impurities contained in the waste water. In addition, with the double-layer structure, the filtering effect can be improved. Then, the filter element 4 filters the harmful substances in the waste water, so that the large-flow filter element has the function of hierarchical filtration and improves the service life of the large-flow filter element; in addition, by docking the mounting plate 2 with the assembly plates 8 at both ends of the filter element housing 1, it is convenient to drive the locking hole 11 on the bottom surface of the mounting plate 2 to fit and dock with the locking seat 10 on the surface of the assembly plate 8. Then, pass the locking bolt 12 through the opening on the surface of the mounting plate 2 and threadedly connect it to the locking seat 10, which is convenient to quickly disassemble the large-flow filter element, facilitate the extraction and replacement of the internal filter element 4, and improve the use efficiency of the large-flow filter element.
[0037] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A large-flow filter element with a layered filtering structure, comprising a filter element housing (1) and mounting plates (2) installed at both ends of the filter element housing (1), characterized in that: The surface of the mounting plate (2) is connected with a water inlet cylinder (3), and the inner wall of the filter element housing (1) is connected with a filter element (4); The inner side of the filter element (4) is connected with a filter screen (5), both ends of the filter screen (5) are connected with fastening plates (6), the outer sides of the fastening plates (6) are connected with docking plates (7), the outer surface of the fastening plates (6) is connected with an assembly plate (8), and a docking groove (9) is formed in the bottom surface of the assembly plate (8) close to the docking plate (7).
2. The large-flow filter element with a hierarchical filtration structure according to claim 1, characterized in that: The filter screen (5) is of a double-layer hollow structure, and the outer side wall of the filter screen (5) is in contact with the inner side wall of the filter element (4).
3. The large-flow filter element with a hierarchical filtration structure according to claim 1, characterized in that: The filter screen (5) and the docking groove (9) at the bottom surface of the assembly plate (8) form a fitting structure through the docking plate (7).
4. A large-flow filter element with a hierarchical filtration structure according to claim 1, characterized in that: The surface of the assembly plate (8) close to the mounting plate (2) is connected with locking seats (10), and four locking seats (10) are provided.
5. The large-flow filter element with a layered filtering structure according to claim 1, wherein: Locking holes (11) are formed in the bottom surface of the mounting plate (2) close to the locking seats (10), and the locking holes (11) at the bottom surface of the locking seats (10) are docked with the locking seats (10).
6. A large-flow filter element with a layered filtration structure according to claim 1, wherein: A locking bolt (12) penetrates through the surface of the mounting plate (2), and the locking bolt (12) passes through the mounting plate (2) and is in threaded connection with the locking seat (10).