Filter disc

Abstract

The utility model relates to the technical field of filter disc production, in particular to a filter disc which is provided with a flow guide ring, flow guide holes, sintered felts, a porous plate and a supporting framework, reinforcing filter screens are arranged on the outer sides of the two sintered felts, an annular protrusion is arranged on an edge covering ring, the reinforcing filter screens are welded to the annular protrusion, the reinforcing filter screens are arranged on the outer sides of the sintered felts, and the porous plate is arranged on the supporting framework. The sintered felt is effectively prevented from being subjected to external impact or abrasion, which is crucial for protecting the integrity and filtering performance of the sintered felt, especially when fluid containing solid particles or impurities is treated. The reinforced filter screen has higher strength and rigidity, and the structural strength of the whole filter disc can be enhanced, so that the filter disc is more stable when bearing high-pressure or high-speed fluid impact, and is not easy to deform or damage.

Description

Technical Field

[0001] The utility model relates to the technical field of filter disc production, in particular to a filter disc. Background Art

[0002] The disc filter is an important solid-liquid separation element, which is widely used in industries such as chemical engineering, petroleum, pharmaceuticals, food processing and water treatment. It uses a group of circular or fan-shaped filter discs arranged side by side as the filter medium, and through physical interception and depth coagulation, effectively separates solid particles in the liquid. The design of the disc filter enables it to have a large filtration area and small resistance, and can reduce energy consumption while ensuring high-efficiency filtration. During the working process, the liquid to be filtered passes through the filter disc under the drive of pressure, the solid particles are intercepted by the filter disc, and the clean liquid flows out smoothly. The disc filter has the advantages of simple structure, easy maintenance and long service life, and has become an ideal choice in the industry.

[0003] However, in the actual use process, due to the continuous high-pressure and high-speed impact of the fluid on the filter disc, as well as the wear caused by impurities and particles in the fluid, the material of the disc will experience fatigue and wear, resulting in a reduction in the structural strength of the filter disc, and further affecting the filtration accuracy and efficiency. Summary of the Invention

[0004] To solve the above problems, the present application provides a filter disc, which is provided with a guide ring, the guide ring is provided with guide holes, the upper and lower sides of the guide ring are provided with edge-wrapping rings, the edge-wrapping rings wrap the end faces of the sintered felts, a perforated plate is arranged between the two sintered felts, a support skeleton is arranged between the two perforated plates, a reinforcing filter screen is arranged outside the two sintered felts, the edge-wrapping ring is provided with a circular protrusion, and the reinforcing filter screen is welded to the circular protrusion.

[0005] In one embodiment, the sintered felt includes a flow distribution layer and a filter layer, and the flow distribution layer is located on the upper and lower sides of the filter layer.

[0006] In one embodiment, a sealing ring is embedded inside the guide ring.

[0007] In one embodiment, the sintered felt and the perforated plate on the side away from the guide ring are connected by pressing.

[0008] In one embodiment, the edge-wrapping ring is arranged in a U shape.

[0009] In one embodiment, the sealing ring is made of silica gel material.

[0010] The beneficial effects of the utility model are as follows:

[0011] A filter disc of the present application is provided with a diversion ring, diversion holes, sintered felt, a perforated plate, and a support skeleton. Reinforcing filter meshes are arranged on the outer sides of the two sintered felts, and annular protrusions are arranged on the edge wrapping ring. The reinforcing filter meshes are welded to the annular protrusions. The reinforcing filter meshes are arranged on the outer sides of the sintered felts, effectively preventing the sintered felts from being impacted or worn externally, which is crucial for protecting the integrity and filtration performance of the sintered felts, especially when dealing with fluids containing solid particles or impurities. The reinforcing filter meshes themselves have relatively high strength and stiffness, capable of enhancing the structural strength of the entire filter disc, making the filter disc more stable when withstanding high-pressure or high-speed fluid impacts and not prone to deformation or damage. The annular protrusions, as the connection points of the reinforcing filter meshes, enhance the connection stability, helping to ensure that the reinforcing filter meshes maintain a fixed position during the filtration process and will not loosen or fall off due to fluid impacts. Connecting them by welding improves the connection strength and also enhances the anti-deformation ability of the reinforcing filter meshes. During the filtration process, even when subjected to relatively large fluid pressures or impact forces, the reinforcing filter meshes can maintain their shape and stability and will not affect the filtration effect due to deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a cross-sectional view of the present utility model;

[0013] Figure 2 is Figure 1 an enlarged view of part A in

[0014] Figure 3 is a cross-sectional view of the sintered felt;

[0015] Explanation of symbols in the figures:

[0016] 1, diversion ring; 11, sealing ring;

[0017] 2, diversion holes; 3, edge wrapping ring;

[0018] 4, sintered felt; 41, shunt layer; 42, filter layer;

[0019] 5, perforated plate; 6, support skeleton; 7, reinforcing filter mesh; 8, annular protrusion. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0021] It should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0022] As Figure 1 , 2 shown, a filter disc is provided with a diversion ring 1, diversion holes 2 are provided on the diversion ring 1, edge wrapping rings 3 are provided on both the upper and lower sides of the diversion ring 1, the edge wrapping rings 3 wrap the end faces of sintered felts 4, a perforated plate 5 is provided inside the two sintered felts 4, a support skeleton 6 is provided between the two perforated plates 5, a strengthening filter screen 7 is provided outside the two sintered felts 4, an annular protrusion 8 is provided on the edge wrapping ring 3, and the strengthening filter screen 7 is welded to the annular protrusion 8.

[0023] Specifically, when the disc is filtering, the fluid is first guided to the outside of the filter disc, the discs are fitted together and fixed on the guide column, and the guide holes 2 on the guide ring 1 of each disc are precisely aligned with the filter holes on the guide column. The reinforced filter screen 7 is arranged on the outside of the sintered felt 4, providing additional protection for the sintered felt 4 to prevent it from external impact or wear. The edging ring 3 is U-shaped, and the edging ring 3 is tightly wrapped on the end face of the sintered felt 4, which enhances the overall stability and structural strength of the filter disc. When the equipment is running, the fluid first enters the sintered felt 4 through the reinforced filter screen 7. When the fluid contacts the sintered felt 4, the three-dimensional fiber structure and uniform pore size distribution begin to play a role, so that the sintered felt 4 can effectively capture suspended matter, particles and microparticles in the fluid to achieve preliminary filtration. After the fluid is filtered by the sintered felt 4, most of the impurities in it are intercepted, while the clean fluid continues to penetrate into the inside; after passing through the sintered felt 4, the fluid further contacts the porous plate 5, and the porous plate 5 further removes the tiny impurities that may remain in the fluid; then, the fluid enters the support skeleton 6, which not only provides a stable support for the entire filtering structure, but also has tiny channels or pores to allow the fluid to continue to flow. The fluid filtered by the sintered felt 4 and the porous plate 5 is finally collected on the guide ring 2. The guide hole 21 on the guide ring serves as the outlet of the fluid, guiding the filtered fluid to the guide column. The fluid passes through the guide hole 21 and the filter hole on the guide column, and finally flows out of the filtration system to complete the entire filtering process. In this application, the reinforced filter 7 is arranged on the outside of the sintered felt 4, which effectively prevents the sintered felt 4 from being subjected to external impact or wear, which is crucial to protecting the integrity and filtering performance of the sintered felt 4, especially when dealing with fluids containing solid particles or impurities. The reinforced filter screen 7 itself has high strength and rigidity, which can enhance the structural strength of the entire filter disc, making the filter disc more stable when subjected to high-pressure or high-speed fluid impact, and less prone to deformation or damage. The annular protrusion 8 serves as the connection point of the reinforced filter screen 7, which enhances the stability of the connection and helps to ensure that the reinforced filter screen 7 remains in a fixed position during the filtration process and will not loosen or fall off due to fluid impact. The connection by welding improves the connection strength and also enhances the deformation resistance of the reinforced filter screen 7. During the filtration process, even if it is subjected to greater fluid pressure or impact force, the reinforced filter screen 7 can maintain its shape and stability, and will not affect the filtration effect due to deformation. The annular protrusion 8 on the edging ring 3 is welded to the reinforced filter screen 7, which enhances the structural strength of the filter disc and ensures that it can remain stable under high-pressure or high-speed fluid flow.

[0024] like Figure 3 As shown, the sintered felt 4 includes a diverter layer 41 and a filter layer 42 , and the diverter layer 41 is located at the upper and lower sides of the filter layer 42 .

[0025] Specifically, the flow splitting layer 41 is located on both the upper and lower sides of the filtering layer 42, providing additional support and protection for the filtering layer 42. This structural design makes the filter disc more stable when subjected to high-pressure or high-speed fluid impacts, and less likely to deform or be damaged. The flow splitting layer 41 can also act as a buffer layer between the filtering layer 42 and the external environment, reducing the direct impact and wear of the external environment on the filtering layer 42. The main function of the flow splitting layer 41 is to preliminarily split and evenly distribute the fluid entering the filter disc, ensuring that the fluid can evenly cover the entire surface of the filtering layer 42, avoiding the formation of local high-pressure areas on the filtering layer 42, making full use of its filtering area, and thus improving the filtering efficiency. The filtering layer 42 captures suspended solids, particles, and microparticles in the fluid through its unique three-dimensional fiber structure and uniform pore size distribution.

[0026] As Figure 1 shown, a sealing ring 11 is embedded inside the guide ring 1.

[0027] Specifically, the sealing ring 11 is made of silicone material. The sealing ring 11 is tightly embedded inside the guide ring 1, which can effectively prevent the fluid from bypassing the filter medium and directly passing through during the filtering process, thus ensuring the sealing performance of the filter disc. Due to the presence of the sealing ring 11, even under high-pressure or high-speed fluid impacts, the occurrence of leakage can be effectively reduced or avoided.

[0028] As Figure 2 shown, the sintered felt 4 is press-fitted and connected to the porous plate 5.

[0029] Specifically, the sintered felt 4 and the porous plate 5 are press-fitted and connected on the side away from the guide ring 1. This not only improves the sealing performance and structural strength of the filter assembly, but also simplifies the production process and maintenance process, having significant advantages and benefits.

[0030] A filter disc of the present application is provided with a flow guiding ring 1, flow guiding holes 2, a sintered felt 4, a perforated plate 5, and a support skeleton 6. Reinforcing filter meshes 7 are arranged on the outer sides of the two sintered felts 4. An annular protrusion 8 is arranged on the edge wrapping ring 3, and the reinforcing filter meshes 7 are welded to the annular protrusion 8. The reinforcing filter meshes 7 are arranged on the outer sides of the sintered felts 4, effectively preventing the sintered felts 4 from being impacted or worn externally, which is crucial for protecting the integrity and filtering performance of the sintered felts 4, especially when processing fluids containing solid particles or impurities. The reinforcing filter meshes 7 themselves have relatively high strength and stiffness, capable of enhancing the structural strength of the entire filter disc, making the filter disc more stable when withstanding high-pressure or high-speed fluid impacts and not prone to deformation or damage. The annular protrusion 8, as the connection point of the reinforcing filter meshes 7, enhances the connection stability, helps to ensure that the reinforcing filter meshes 7 maintain a fixed position during the filtering process and will not loosen or fall off due to fluid impacts. Connecting by welding improves the connection strength and also enhances the anti-deformation ability of the reinforcing filter meshes 7. During the filtering process, even when subjected to relatively large fluid pressure or impact force, the reinforcing filter meshes 7 can maintain their shape and stability and will not affect the filtering effect due to deformation.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0032] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can also be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A filter disc, provided with a guide ring (1), the guide ring (1) is provided with a guide hole (2), the guide ring (1) is provided with a rim ring (3) on the upper and lower sides, the rim ring (3) wraps the end surface of a sintered felt (4), two porous plates (5) are provided inside the two sintered felts (4), and a support frame (6) is provided between the two porous plates (5), characterized in that: A reinforced filter screen (7) is arranged outside the two sintered felts (4), an annular protrusion (8) is arranged on the edging ring (3), and the reinforced filter screen (7) is welded to the annular protrusion (8).

2. A filter disc according to claim 1, characterized in that: The sintered felt (4) comprises a diverter layer (41) and a filter layer (42), wherein the diverter layer (41) is located at the upper and lower sides of the filter layer (42).

3. A filter disc according to claim 1, characterized in that: A sealing ring (11) is embedded inside the guide ring (1).

4. A filter disc according to claim 1, characterized in that: The sintered felt (4) is connected to the porous plate (5) at a side away from the guide ring (1) by compression.

5. A filter disc according to claim 1, characterized in that: The edging ring (3) is arranged in a U shape.

6. A filter disc according to claim 3, characterized in that: The sealing ring (11) is made of silicone material.

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