Filter element with multi-layer filter structure

Abstract

The filter element comprises a filter cartridge, the middle of the bottom of the lower end of the filter cartridge is connected with the middle of the upper end of a positioning base through a connecting filter screen cartridge, and the outer side of a fixing seat arranged at the top of the upper end of the filter cartridge is connected with the inner side of a positioning clamping seat in a clamped mode. An activated carbon filter layer and an ultrafiltration fiber membrane are arranged in the filter cartridge, the upper end in the ultrafiltration fiber membrane is in threaded connection with an adsorption assembly, a sealing gasket is arranged at the top of the upper end of the ultrafiltration fiber membrane, and a sealing cover is arranged at the upper end of the sealing gasket. According to the filter element with the multi-layer filter structure, the filter cotton sleeve is arranged and connected with the filter screen cylinder, so that water entering the filter element can be preliminarily filtered, then the water is filtered through the filter cylinder, the activated carbon filter layer and the ultrafiltration fiber membrane, the filter effect is further improved, and when the activated carbon filter layer has a poor filter adsorption effect, the filter element can be recycled. The alum in the adsorption rod can be used for adsorption and purification again, so that the use practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to filter cores, in particular to a filter core with a multi-layer filter structure. Background Art

[0002] The filter element is a filtering device and the core component of the filter. Now the filter element is mainly used in the filtering industries such as oil filtration, air filtration, and water filtration. The filter element separates solid particles from liquid or gas, or allows different material components to fully contact, speeds up the reaction time, and can protect the normal operation of the equipment or the cleanliness of the air.

[0003] The existing filter element is generally an activated carbon adsorption filter. After a period of use, the adsorption capacity of the activated carbon filter layer deteriorates, causing impurities in the water to easily pass through the filter element layer, so that the filtered water quality is not clean and black water occurs. At the same time, the structure is one-piece. When damage occurs, the internal damaged part cannot be disassembled and replaced separately, which increases the replacement cost and reduces the practicality of use. In view of the above problems, it is necessary to improve the existing equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a filter element with a multi-layer filtering structure to solve the problem proposed in the above background technology that the existing filter element is generally activated carbon adsorption filtration, and the adsorption capacity of the activated carbon filter layer deteriorates after a period of use, causing impurities in the water to easily pass through the filter element layer, so that the filtered water quality is not clean and black water occurs. At the same time, the structure is one-piece, and when damage occurs, the internal damaged part cannot be disassembled and replaced separately, which increases the replacement cost and reduces the practicality of use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a filter element with a multi-layer filtering structure, comprising a filter cartridge,

[0006] The middle of the bottom of the lower end of the filter cartridge is connected with the middle of the upper end of the positioning base by connecting the filter mesh cartridge, and a fixed seat is arranged on the top of the upper end of the filter cartridge, the outer side of the fixed seat is engaged with the inner side of the positioning card seat, and sealing rings are arranged inside the grooves equidistantly opened on the outer side of the fixed seat, and the outer side of the sealing ring is fitted with the inner side of the positioning card seat, an activated carbon filter layer is arranged inside the filter cartridge, and an ultrafiltration fiber membrane is arranged inside the activated carbon filter layer, and an adsorption component is threadedly connected to the upper end of the ultrafiltration fiber membrane, a sealing gasket is arranged on the top of the upper end of the ultrafiltration fiber membrane, and a sealing cover is arranged on the upper end of the sealing gasket, and the sealing cover is threadedly connected to the upper end of the inner side of the fixed seat.

[0007] Preferably, a water inlet socket is opened in the middle of the positioning base, and the position of the water inlet socket is set corresponding to the position inside the filter screen cylinder. At the same time, the top of the filter cotton sleeve arranged inside the water inlet socket passes through the water inlet socket and extends to the upper end of the inner part of the filter screen cylinder.

[0008] Preferably, the outer diameter of the positioning base is the same as the outer diameter of the positioning socket.

[0009] Preferably, the filter cartridge includes an outer filter layer, an inner filter layer and a stainless steel filter mesh, and a stainless steel filter mesh is arranged between the outer filter layer and the inner filter layer, and the water filtration holes of the stainless steel filter mesh are smaller than the water filtration holes of the outer filter layer and the inner filter layer. A water outlet pipe is arranged at the upper end of the outer side of the filter cartridge, and the water outlet pipe passes through the filter cartridge, the activated carbon filter layer and the threaded holes opened on the ultrafiltration fiber membrane and is threadedly connected.

[0010] Preferably, the adsorption assembly comprises a threaded seat, a plurality of adsorption rods are equidistantly arranged at the bottom of the lower end of the threaded seat, and the interior of the adsorption rods are filled with alum particles.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the filter element with a multi-layer filter structure,

[0012] (1) In order to solve the problem that the existing filter element is generally activated carbon adsorption filtration, the adsorption capacity of the activated carbon filter layer deteriorates after a period of use, resulting in impurities in the water being more easily passed through the filter element layer, so that the filtered water quality is not clean and black water occurs, the present application provides a filter cotton sleeve and connects the filter net cylinder to facilitate the preliminary filtration of the water entering the filter element, and then passes through the filter cylinder, the activated carbon filter layer and the ultrafiltration fiber membrane to further improve the filtration effect. When the activated carbon filter layer has a poor filtration and adsorption effect, it can be adsorbed and purified again through the alum in the adsorption rod to improve the practicality of use;

[0013] (2) In order to solve the problem that the existing filter element has an integrated structure and cannot be disassembled and replaced individually when damage occurs, which increases the replacement cost and reduces the practicality of use, the present application arranges the activated carbon filter layer, ultrafiltration fiber membrane and adsorption component separately. When replacement is needed, the damaged part can be disassembled and replaced individually, thereby reducing the replacement cost and improving the practicality of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0016] Figure 3 This is a schematic diagram of the front cross-sectional structure of the filter cartridge of the utility model;

[0017] Figure 4 This is a schematic diagram of the front view structure of the threaded seat and the adsorption rod of the utility model;

[0018] Figure 5 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 6 It is a side structural schematic diagram of the utility model.

[0020] In the figure: 1. Positioning base; 101. Water inlet socket; 102. Filter cotton sleeve; 2. Connecting filter mesh cylinder; 3. Filter cylinder; 301. Outer filter layer; 302. Inner filter layer; 303. Stainless steel filter mesh; 4. Fixed seat; 401. Sealing ring; 5. Positioning card seat; 6. Activated carbon filter layer; 7. Ultrafiltration fiber membrane; 8. Threaded seat; 801. Adsorption rod; 9. Sealing pad; 10. Sealing cover; 11. Water outlet pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides a technical solution: a filter element with a multi-layer filter structure, according to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the middle of the bottom of the lower end of the filter cartridge 3 is connected to the middle of the upper end of the positioning base 1 by connecting the filter screen cartridge 2. A water inlet socket 101 is provided in the middle of the positioning base 1, and the position of the water inlet socket 101 is arranged corresponding to the position of the inner side of the connection filter screen cartridge 2. At the same time, the top of the filter cotton sleeve 102 arranged on the inner side of the water inlet socket 101 passes through the water inlet socket 101 and extends to the upper end of the inner part of the connection filter screen cartridge 2, so as to facilitate the adsorption and filtration of larger impurities in the water to avoid entering the filter element and causing blockage and damage to the interior thereof. The outer diameter of the positioning base 1 is the same as the outer diameter of the positioning clamping seat 5, so as to facilitate installation and fixation inside the shell, and a fixing seat 4 is provided on the top of the upper end of the filter cartridge 3, and the outer side of the fixing seat 4 is clamped with the inner side of the positioning clamping seat 5 The filter cartridge 3 is provided with an activated carbon filter layer 6, and the activated carbon filter layer 6 is provided with an ultrafiltration fiber membrane 7 on the inner side, and the upper end of the ultrafiltration fiber membrane 7 is threadedly connected with an adsorption component, the adsorption component comprises a threaded seat 8, and a plurality of adsorption rods 801 are equidistantly arranged at the bottom of the lower end of the threaded seat 8, and the adsorption rods 801 are filled with alum particles, a sealing pad 9 is provided on the top of the upper end of the ultrafiltration fiber membrane 7, and a sealing cover 10 is provided on the upper end of the sealing pad 9, and the sealing cover 10 is threadedly connected to the upper end of the inner side of the fixed seat 4 to improve the sealing performance during use.

[0023] To further explain, the filter cartridge 3 includes an outer filter layer 301, an inner filter layer 302 and a stainless steel filter mesh 303, and a stainless steel filter mesh 303 is arranged between the outer filter layer 301 and the inner filter layer 302, and at the same time, the water filtration holes of the stainless steel filter mesh 303 are smaller than the water filtration holes of the outer filter layer 301 and the inner filter layer 302, so that smaller impurities can be filtered and blocked, and an outlet pipe 11 is arranged at the upper end of the outer side of the filter cartridge 3, and the outlet pipe 11 passes through the filter cartridge 3, the activated carbon filter layer 6 and the threaded holes opened on the ultrafiltration fiber membrane 7, so that the filtered water can be discharged through the outlet pipe 11 conveniently.

[0024] When in use, the water is inserted into the water inlet socket 101 through the water inlet pipe, so that the filter cotton sleeve 102 is sleeved on the outside of the water inlet pipe, and then the water is initially filtered through the filter cotton sleeve 102 and enters the outside of the filter cylinder 3 through the connected filter mesh cylinder 2. Then the water passes through the filter cylinder 3, the activated carbon filter layer 6 and the ultrafiltration fiber membrane 7 in turn for filtration and adsorption and then enters the filter element. Then, under the action of the adsorption rod 801, the particles in the water are further adsorbed to improve the filtration and purification effect, and finally discharged through the outlet pipe 11.

[0025] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A filter element with a multi-layer filtering structure, comprising a filter cartridge (3), characterized in that: The middle of the bottom of the lower end of the filter cartridge (3) is connected to the middle of the upper end of the positioning base (1) by connecting the filter mesh cartridge (2), and a fixing seat (4) is arranged at the top of the upper end of the filter cartridge (3). The outer side of the fixing seat (4) is snap-connected with the inner side of the positioning card seat (5), and the inner sides of the grooves equidistantly provided on the outer side of the fixing seat (4) are all provided with sealing rings (401), and the outer side of the sealing ring (401) is fitted with the inner side of the positioning card seat (5). An activated carbon filter layer (6) is arranged inside the filter cartridge (3), and an ultrafiltration fiber membrane (7) is arranged inside the activated carbon filter layer (6). At the same time, an adsorption component is threadedly connected to the upper end of the ultrafiltration fiber membrane (7). A sealing pad (9) is arranged at the top of the upper end of the ultrafiltration fiber membrane (7), and a sealing cover (10) is arranged at the upper end of the sealing pad (9), and the sealing cover (10) is threadedly connected to the upper end of the inner side of the fixing seat (4).

2. The filter element with a multi-layer filtering structure according to claim 1, characterized in that: A water inlet socket (101) is provided in the middle of the positioning base (1), and the position of the water inlet socket (101) is arranged corresponding to the position inside the connection filter screen cylinder (2), and at the same time, the top of the filter cotton sleeve (102) arranged inside the water inlet socket (101) passes through the water inlet socket (101) and extends to the upper end of the connection filter screen cylinder (2).

3. The filter element with a multi-layer filtering structure according to claim 1, characterized in that: The outer diameter of the positioning base (1) is the same as the outer diameter of the positioning clamping seat (5).

4. The filter element with a multi-layer filtering structure according to claim 1, characterized in that: The filter cartridge (3) comprises an outer filter layer (301), an inner filter layer (302) and a stainless steel filter screen (303), and a stainless steel filter screen (303) is arranged between the outer filter layer (301) and the inner filter layer (302), and the water filtration holes of the stainless steel filter screen (303) are smaller than the water filtration holes of the outer filter layer (301) and the inner filter layer (302). An outlet pipe (11) is arranged at the upper end of the outer side of the filter cartridge (3), and the outlet pipe (11) passes through the filter cartridge (3), the activated carbon filter layer (6) and the threaded hole opened on the ultrafiltration fiber membrane (7) for threaded connection.

5. The filter element with a multi-layer filtering structure according to claim 1, characterized in that: The adsorption assembly comprises a threaded seat (8), a plurality of adsorption rods (801) are equidistantly arranged at the bottom of the lower end of the threaded seat (8), and the adsorption rods (801) are filled with alum particles.

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