A particulate filter
By designing a two-stage filtration structure in the particulate filter and using a layer of perlite or diatomaceous earth filter media, the problem of low filtration efficiency in existing filters is solved, achieving a stronger filtration effect and water purification capacity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING TIANYI SPORTS FACILITIES CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-31
AI Technical Summary
Existing granular filters using perlite and diatomaceous earth only have one filtration process, resulting in poor filtration efficiency and failing to meet the demand for high-quality purified water.
Design a particle filter including a filter body, a first filter tube, and a second filter tube. It is divided into a filtration chamber and a drainage chamber by a support plate. The first filter tube contains multiple second filter tubes. Both tubes have a filter media layer on their walls to achieve two-stage filtration. The filter media layer is made of perlite or diatomaceous earth. The support mesh is used to protect the media layer, and the support angle iron is used to improve the load-bearing capacity.
It achieves two-stage filtration, significantly improving the filtration effect, powerfully removing particulate matter and colloidal impurities from the water, and enhancing the practicality of the filter.
Smart Images

Figure CN224573284U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of water treatment equipment, and specifically relates to a particulate filter. Background Technology
[0002] In the water treatment industry, removing suspended particulate matter, colloids, and other impurities from water is a crucial task. Traditional filtration devices often fail to meet the demands for high-quality purified water due to limitations in filter media selection and filtration efficiency. Perlite and diatomaceous earth, with their natural porosity and large specific surface area, offer significant advantages in removing suspended solids and colloids from water. Existing particulate filters using perlite and diatomaceous earth as filter elements only perform a single filtration process, resulting in suboptimal filtration efficiency and failing to meet increasingly demanding water treatment requirements.
[0003] Therefore, a two-stage filtration system with better filtration efficiency is urgently needed. Utility Model Content
[0004] This invention provides a particulate filter to solve the technical problem of poor filtration efficiency in ordinary filters in the prior art.
[0005] This utility model is achieved through the following technical solution: a particulate filter, including a filter body, a first filter tube, and a second filter tube. The filter body is divided into a filtration chamber and a drainage chamber by a support plate. The filtration chamber is provided with an inlet, and the drainage chamber is provided with an outlet and a drain outlet. The first filter tube is disposed in the filtration chamber, and multiple first filter tubes are fixed on the support plate. Each first filter tube is provided with multiple second filter tubes. The bottom of the second filter tube is fixed on the support plate. The support plate is provided with a through hole connecting the second filter tube and the drainage chamber. The walls of the first filter tube and the second filter tube are provided with a filter media layer.
[0006] To better realize this utility model, the above structure is further optimized, and the filter medium layer is perlite or diatomaceous earth.
[0007] To better realize this utility model, the above structure is further optimized by including a support mesh. The support mesh is sleeved on both the first filter tube and the second filter tube, and the filter medium layer is filled between the first filter tube and the support mesh and between the second filter tube and the support mesh.
[0008] To better realize this utility model, the above structure is further optimized. The number of the first filter tubes is 40, and the 40 first filter tubes are evenly distributed on the support plate. Each first filter tube contains 5 second filter tubes.
[0009] To better realize this utility model, the above structure is further optimized. The first filter tube and the second filter tube are both filter tubes with open bottom and closed top. The bottom ends of the first filter tube and the second filter tube are welded and fixed to the support plate.
[0010] To better realize this utility model, the above structure is further optimized by including a support angle iron, wherein a plurality of the support angle irons are circumferentially fixed to the inner wall of the filter body, and the support plate is welded and fixed to the support angle irons.
[0011] To better realize this utility model, the above structure is further optimized by including a water distribution mesh plate, which is fixed inside the filter body and is located above the first filter tube and below the water inlet in the vertical direction.
[0012] To better realize this utility model, the above structure is further optimized, with the water inlet and water outlet both located on the side wall of the filter body, and the sewage outlet located at the bottom of the filter body.
[0013] To better realize this utility model, the above structure is further optimized by including a support leg, which is fixed to the bottom of the filter body.
[0014] Compared with the prior art, this utility model has the following advantages:
[0015] The particle filter provided by this utility model includes a filter body, a first filter tube, and a second filter tube. The filter body is divided into a filtration chamber and a drainage chamber by a support plate. The filtration chamber has an inlet, and the drainage chamber has an outlet and a drain outlet. The first filter tubes are installed in the filtration chamber, and multiple first filter tubes are fixed on the support plate. Each first filter tube contains multiple second filter tubes, and the bottom of the second filter tubes is fixed on the support plate. The support plate has through holes connecting the second filter tubes and the drainage chamber. Both the first and second filter tubes have a filter media layer on their tube walls. With this structure, by setting the second filter tubes inside the first filter tubes, the filtered water needs to pass through the filter media layers on the first and second filter tubes in sequence after entering the filtration chamber, thus completing two stages of filtration before entering the drainage chamber for discharge. This results in a stronger filtration effect, powerfully removing particulate matter and other impurities from the water, making this utility model more practical. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the particulate filter in this utility model; Figure 2 This is a cross-sectional view of the first filter tube and the second filter tube.
[0018] In the picture: 1-Filter body; 2-First filter tube; 3-Second filter tube; 4-Filter chamber; 5-Drainage chamber; 6-Support plate; 7-Inlet; 8-Outlet; 9-Drainage outlet; 10-Through hole; 11-Filter media layer; 12-Support mesh; 13-Support angle iron; 14-Water distribution mesh plate; 15-Support leg. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should also 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0022] Example 1: In this embodiment, a particulate filter, such as Figure 1 As shown, the filter includes a filter body 1, a first filter tube 2, and a second filter tube 3. Specifically, the filter body 1 is divided into a filter chamber 4 and a drain chamber 5 by a support plate 6. The filter chamber 4 is located above the drain chamber 5 and has an inlet 7. The drain chamber 5 has an outlet 8 and a drain outlet 9. Each of the inlet 7, outlet 8, and drain outlet 9 is equipped with a valve. The first filter tube 2 is erected in the filter chamber 4, and multiple first filter tubes 2 are fixed on the support plate 6. Each first filter tube 2 contains multiple second filter tubes 3, and the bottom of each second filter tube 3 is fixed on the support plate 6. The tube walls of the first filter tube 2 and the second filter tube 3 are evenly provided with a number of filter holes. The support plate 6 has a through hole 10 connecting the second filter tube 3 and the drain chamber 5. The tube walls of the first filter tube 2 and the second filter tube 3 are provided with a filter media layer 11.
[0023] With this structure, by setting the second filter tube 3 inside the first filter tube 2, after the filtered water enters the filter chamber 4, it needs to pass through the filter media layer 11 on the first filter tube 2 and the second filter tube 3 in sequence, so as to complete two-stage filtration before entering the drain chamber 5 for discharge. The filtration effect is stronger, and it powerfully removes particulate matter and other impurities from the water, making the utility model more practical.
[0024] In this embodiment, the filter media layer 11 is perlite or diatomaceous earth. Perlite or diatomaceous earth can adsorb and intercept suspended particles, colloids and other impurities in the water, thereby achieving the purpose of purifying the water quality.
[0025] As an optimization, such as Figure 2 As shown, it also includes a support net 12. The support net 12 is sleeved on both the first filter tube 2 and the second filter tube 3. The filter medium layer 11 is filled between the first filter tube 2 and the support net 12 and between the second filter tube 3 and the support net 12. The support net 12 is used to protect the filter medium layer 11 and prevent water flow from directly impacting the filter medium layer 11 and causing it to be lost.
[0026] In this embodiment, as Figure 2As shown, there are 40 first filter tubes 2, which are evenly distributed on the support plate 6. Each first filter tube 2 contains 5 second filter tubes 3. This arrangement allows the filter chamber 4 to have up to 40 primary filters and 200 secondary filters, greatly improving the filtration efficiency and effect.
[0027] Furthermore, both the first filter tube 2 and the second filter tube 3 are filter tubes with open bottoms and closed tops. The bottom ends of the first filter tube 2 and the second filter tube 3 are welded and fixed to the support plate 6. The annular space between the first filter tube 2 and the second filter tube 3 is not connected to the drainage chamber 5. The second filter tube 3 is connected to the drainage chamber 5 through the through hole 10 on the support plate 6, so that the water to be filtered can pass through the first filter tube 2 and the second filter tube 3 in sequence before entering the drainage chamber 5 through the through hole 10, thereby completing two filtrations.
[0028] In this embodiment, as Figure 1 As shown, it also includes support angle irons 13, and multiple support angle irons 13 are circumferentially fixed to the inner wall of the filter body 1. The support plate 6 is welded and fixed to the support angle irons 13. The support angle irons 13 are used to support the support plate 6 and all filter tubes, thereby improving the load-bearing capacity of the support plate 6.
[0029] As an optimized implementation of this embodiment, such as Figure 1 As shown, it also includes a water distribution mesh plate 14, which is fixed inside the filter body 1. The water distribution mesh plate 14 is located above the first filter tube 2 and below the water inlet 7 in the vertical direction. The water distribution mesh plate 14 is used to disperse the water so that the water to be filtered enters the filter chamber 4 evenly and prevents the water flow from concentrating and impacting the filter media layer 11.
[0030] In this embodiment, as Figure 1 As shown, the inlet 7 and outlet 8 are both located on the side wall of the filter body 1, and the drain outlet 9 is located at the bottom of the filter body 1. The drain outlet 9 is used to periodically discharge impurities deposited at the bottom of the drain chamber 5. As an optimization, a support leg 15 is also included. The support leg 15 is fixed to the bottom of the filter body 1, so as to facilitate the discharge of sewage through the drain outlet 9.
[0031] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A particulate filter characterized by: The filter includes a filter body (1), a first filter tube (2), and a second filter tube (3). The filter body (1) is divided into a filter chamber (4) and a drain chamber (5) by a support plate (6). The filter chamber (4) is provided with an inlet (7), and the drain chamber (5) is provided with an outlet (8) and a drain outlet (9). The first filter tube (2) is disposed in the filter chamber (4). Multiple first filter tubes (2) are fixed on the support plate (6). Multiple second filter tubes (3) are provided in each first filter tube (2). The bottom of the second filter tube (3) is fixed on the support plate (6). The support plate (6) is provided with a through hole (10) connecting the second filter tube (3) and the drain chamber (5). The walls of the first filter tube (2) and the second filter tube (3) are provided with a filter medium layer (11).
2. A particulate filter according to claim 1, characterised in that: The filter media layer (11) is perlite or diatomaceous earth.
3. A particulate filter according to claim 2, characterized in that: It also includes a support mesh (12), on which the first filter tube (2) and the second filter tube (3) are fitted with the support mesh (12), and the filter medium layer (11) is filled between the first filter tube (2) and the support mesh (12) and between the second filter tube (3) and the support mesh (12).
4. A particulate filter according to claim 1, characterized in that: The number of the first filter tubes (2) is 40. The 40 first filter tubes (2) are evenly distributed on the support plate (6). Each first filter tube (2) contains 5 second filter tubes (3).
5. A particulate filter according to claim 4, characterized in that: The first filter tube (2) and the second filter tube (3) are both filter tubes with open bottom and closed top. The bottom ends of the first filter tube (2) and the second filter tube (3) are welded and fixed on the support plate (6).
6. A particulate filter according to claim 5, characterized in that: It also includes support angle irons (13), a plurality of the support angle irons (13) being circumferentially fixed to the inner wall of the filter body (1), and the support plate (6) being welded and fixed to the support angle irons (13).
7. A particulate filter according to any one of claims 1-6, characterized in that: It also includes a water distribution mesh plate (14), which is fixed inside the filter body (1). The water distribution mesh plate (14) is located above the first filter tube (2) and below the water inlet (7) in the vertical direction.
8. A particulate filter according to claim 7, characterized in that: The inlet (7) and outlet (8) are both located on the side wall of the filter body (1), and the drain outlet (9) is located at the bottom of the filter body (1).
9. A particulate filter according to claim 8, characterized in that: It also includes a support leg (15) which is fixed to the bottom of the filter body (1).