Polypropylene yarn winding type filter element

By using a pretreatment process with a polypropylene yarn-wound filter cartridge and a high-pressure cleaning component design, the problems of needing to replace the filter paper layer regularly and poor filtration effect are solved, achieving high-efficiency filtration and cost savings.

CN224167042UActive Publication Date: 2026-04-28YANCHENG XINYE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG XINYE ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The filter paper layer of existing wound filter cartridges needs to be replaced regularly, which increases the cost of use, and the polypropylene yarn has poor filtration effect and also needs to be replaced regularly.

Method used

It adopts a polypropylene yarn wound filter element, which includes a pretreatment component and a high-pressure cleaning component. It is cleaned by a second threaded fixing ring, an annular filter screen and a high-pressure nozzle. It combines the first and second polypropylene yarn filter components to perform multi-layer filtration and extend service life.

Benefits of technology

It achieves high-efficiency filtration, extends the service life of the filter element, and reduces the frequency of replacement and operating costs.

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Abstract

The utility model discloses a polypropylene yarn winding type filter element which comprises a filter element shell structure, a filter element structure and a pretreatment assembly are detachably installed in the filter element shell structure, the filter element structure is arranged in the pretreatment assembly, the filter element shell structure comprises a base, a shell is fixed on the upper side of the base, and a top cover is in threaded sealing connection with the upper side of the shell. A first water inlet pipe penetrates through the upper side of the top cover, a high-pressure cleaning assembly is embedded in the lower side of the top cover, a waste water pipe penetrates through the base and is used for waste water treatment, and the high-pressure cleaning assembly comprises a high-pressure water inlet pipe; according to the polypropylene yarn winding type filter element, large-particle impurities are pretreated through arrangement of a second threaded fixing ring, an annular filter screen and a second pressing plate, and after the annular filter screen is used for a long time, the surface of the annular filter screen is directly cleaned through arrangement of a high-pressure water inlet pipe, a water conveying pipe and a high-pressure spray head; the normal use of the annular filter screen is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of filter element technology, specifically a polypropylene yarn wound filter element. Background Technology

[0002] To remove various impurities and harmful substances from water and ensure the safety and health of drinking water, filter cartridges remove suspended solids, particulate matter, residual chlorine, chemicals, heavy metals, bacteria, and viruses through physical barrier and adsorption. One existing technology involves a wound filter cartridge, typically disclosed in CN205042223U. This type of cartridge incorporates a filter paper layer within the yarn layer, effectively avoiding the problem of incomplete filtration of small particles in the initial use stage and increasing the dirt-holding capacity of the yarn layer, thus extending the filter cartridge's lifespan. However, some problems remain, such as the filter paper layer requiring replacement, increasing later operating costs, and the use of a single set of polypropylene yarns resulting in poor filtration performance and the need for periodic replacement. Utility Model Content

[0003] The purpose of this invention is to provide a polypropylene yarn wound filter element to solve the problems mentioned in the background art, such as the filter paper layer only needing to be replaced, which increases the cost of later use, and the poor filtration effect and need for regular replacement of the polypropylene yarn set.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a polypropylene yarn wound filter element, comprising a filter element shell structure, a filter element structure and a pretreatment component that are disassembled and installed inside the filter element shell structure, the filter element structure being provided inside the pretreatment component, the filter element shell structure comprising a base, a shell fixed on the upper side of the base, a top cover threadedly sealed to the upper side of the shell, a first water inlet pipe passing through the upper side of the top cover, a high-pressure cleaning component embedded in the lower side of the top cover, and a wastewater pipe passing through the base for wastewater treatment;

[0005] The high-pressure cleaning component includes a high-pressure water inlet pipe, which is connected to a water delivery pipe. The water delivery pipe is embedded in the housing, and the lower side of the water delivery pipe is connected to a high-pressure nozzle.

[0006] Preferably, in the filter element structure, a first polypropylene yarn filter assembly is disposed on the outer side of the filter element structure, and a second polypropylene yarn filter assembly is disposed on the outer side of the first polypropylene yarn filter assembly.

[0007] Preferably, the second polypropylene yarn filter assembly and the first polypropylene yarn filter assembly have the same structure.

[0008] By adopting the above technical solution and setting up a second polypropylene yarn filter assembly and a first polypropylene yarn filter assembly, the filtration effect is guaranteed.

[0009] Preferably, the first polypropylene yarn filter assembly includes a first threaded fixing ring, a filter tube fixed on the first threaded fixing ring, an anti-slip protrusion fixed on the filter tube, a polypropylene yarn layer wound on the anti-slip protrusion, and a first pressure plate fixed on the upper side of the filter tube.

[0010] By adopting the above technical solution, tap water is further treated by setting up a first polypropylene yarn filter assembly.

[0011] Preferably, the pretreatment component includes a second threaded retaining ring, an annular filter screen is fixed on the upper side of the second threaded retaining ring, and a second pressure plate is fixed on the upper side of the annular filter screen.

[0012] By adopting the above technical solution, the tap water entering the filter element structure is pretreated by setting up a pretreatment component.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the polypropylene yarn wound filter element

[0014] (1) It is equipped with a pretreatment component and a high-pressure cleaning component. Large particles of impurities are pretreated by the second threaded fixing ring, the annular filter screen and the second pressure plate. After the annular filter screen has been used for a long time, the surface of the annular filter screen is directly cleaned by the high-pressure water inlet pipe, the water delivery pipe and the high-pressure nozzle to ensure the normal use of the annular filter screen. The impurities after cleaning are discharged through the wastewater pipe, which increases the practicality.

[0015] (2) The filter element structure is provided. The filtered wastewater is pretreated again by setting the first threaded fixing ring, filter tube, anti-slip protrusion, polypropylene yarn layer and first pressure plate. The second polypropylene yarn filter component and the first polypropylene yarn filter component are filtered in sequence to ensure the treatment effect, extend the service life of the filter element body, and thus save the cost of use. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram showing the distribution of the filter element structure within the pretreatment assembly of this utility model;

[0018] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a three-dimensional structural diagram of the filter element shell of this utility model.

[0020] In the diagram: 1. Filter cartridge housing structure; 11. Base; 12. Housing; 13. Top cover; 14. First water inlet pipe; 15. High-pressure cleaning assembly; 151. High-pressure water inlet pipe; 152. Water supply pipe; 153. High-pressure nozzle; 16. Wastewater pipe; 2. Filter cartridge structure; 21. Filter cartridge body; 22. First polypropylene yarn filter assembly; 221. First threaded retaining ring; 222. Filter tube; 223. Anti-slip protrusion; 224. Polypropylene yarn layer; 225. First pressure plate; 23. Second polypropylene yarn filter assembly; 3. Pretreatment assembly; 31. Second threaded retaining ring; 32. Annular filter screen; 33. Second pressure plate. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a polypropylene yarn wound filter element, such as... Figure 1 , Figure 2 and Figure 4 As shown, the filter element housing structure 1 includes a base 11, a housing 12 is fixed on the upper side of the base 11, a top cover 13 is threadedly sealed to the upper side of the housing 12, a first water inlet pipe 14 passes through the upper side of the top cover 13, a high-pressure cleaning component 15 is embedded in the lower side of the top cover 13, a wastewater pipe 16 passes through the base 11 and is used for wastewater treatment, the high-pressure cleaning component 15 includes a high-pressure water inlet pipe 151, the high-pressure water inlet pipe 151 is connected to a water supply pipe 152, the water supply pipe 152 is embedded in the housing 12, and the lower side of the water supply pipe 152 is connected to a high-pressure nozzle 153;

[0023] The outer shell 12 and the top cover 13 are detached and installed by threads, and a rubber sealing ring is provided between the top cover 13 and the outer shell 12 to ensure a sealing effect;

[0024] Specifically, the water supply pipe 152 is arranged in a ring, and multiple sets of high-pressure nozzles 153 are connected to the lower side of the water supply pipe 152. The multiple sets of high-pressure nozzles 153 are distributed at equal intervals on the water supply pipe 152.

[0025] In the above scheme, the top cover 13 is placed on the upper side of the outer shell 12, the top cover 13 is rotated and the outer shell 12 is sealed, the pressurized cleaning water enters the water supply pipe 152 through the high pressure water inlet pipe 151, and the high pressure water enters the multiple sets of high pressure nozzles 153 through the water supply pipe 152. With the assistance of the multiple sets of high pressure nozzles 153, the impurities on the inner wall of the outer shell 12 and the surface of the annular filter screen 32 are cleaned, thereby ensuring the pre-filtration effect. The cleaned impurities and wastewater are discharged through the wastewater pipe 16 on the base 11, and the tap water enters the inner shell 12 through the first water inlet pipe 14 on the top cover 13 for filtration.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, filter element structure 2 and pretreatment component 3 are disassembled and installed inside filter element housing structure 1. Filter element structure 2, a first polypropylene yarn filter component 22 is provided on the outside of filter element structure 2, and a second polypropylene yarn filter component 23 is provided on the outside of the first polypropylene yarn filter component 22. The second polypropylene yarn filter component 23 has the same structure as the first polypropylene yarn filter component 22. The first polypropylene yarn filter component 22 includes a first threaded fixing ring 221, a filter tube 222 is fixed on the first threaded fixing ring 221, an anti-slip protrusion 223 is fixed on the filter tube 222, a polypropylene yarn layer 224 is wound on the anti-slip protrusion 223, and a first pressure plate 225 is fixed on the upper side of the filter tube 222.

[0027] The filter element body 21 passes through the base 11 and is fixed by threaded sealing. The first threaded fixing ring 221 is detached and installed from the base 11 by thread. A rubber sealing ring is provided between the first pressure plate 225 in the first polypropylene yarn filter assembly 22 and the first pressure plate 225 in the second polypropylene yarn filter assembly 23 to ensure the sealing effect.

[0028] Specifically, multiple sets of anti-slip protrusions 223 are provided on the filter tube 222. The multiple sets of anti-slip protrusions 223 are evenly distributed on the filter tube 222. The anti-slip protrusions 223 are provided to assist in limiting the polypropylene yarns of the polypropylene yarn layer 224.

[0029] Furthermore, multiple sets of filter holes are provided on the filter tube 222, and the multiple sets of filter holes are equally spaced through the filter tube 222.

[0030] In the above scheme, the filter element body 21 is fixed by rotating through the threaded hole on the lower side of the base 11. A rubber sealing ring is set between the base 11 and the filter element body 21 to achieve a sealing effect. The polypropylene yarn layer 224 is wound around the anti-slip protrusion 223 on the filter tube 222. The first threaded fixing ring 221 on the lower side of the filter tube 222 is threaded and fixed on the base 11. The first pressure plate 225 passes through the upper side of the first threaded fixing ring 221 and presses and limits the first threaded fixing ring 221. Similarly, the second polypropylene yarn filter assembly 23 is threaded and fixed on the base 11. The filtered tap water passes through the second polypropylene yarn filter assembly 23, the first polypropylene yarn filter assembly 22, and the filter element body 21 in sequence to filter the tap water, ensuring the filtration effect.

[0031] like Figure 1 and Figure 2 As shown, the pretreatment component 3 is provided with a filter element structure 2. The pretreatment component 3 includes a second threaded fixing ring 31, an annular filter screen 32 is fixed on the upper side of the second threaded fixing ring 31, and a second pressure plate 33 is fixed on the upper side of the annular filter screen 32.

[0032] The second threaded fixing ring 31 is threadedly fixed to the base 11 on its lower side, the second pressure plate 33 presses the upper side of the first pressure plate 225, and a rubber sealing ring is provided between the first pressure plate 225 and the second pressure plate 33 to ensure the sealing effect.

[0033] In the above scheme, the second threaded fixing ring 31 is threadedly fixed to the base 11, and an annular filter screen 32 is fixed on the upper side of the second threaded fixing ring 31. A second pressure plate 33 is fixed on the upper side of the annular filter screen 32 and squeezes the first pressure plate 225. Tap water is filtered with the assistance of the annular filter screen 32 to prevent large particles of impurities from entering the filter element structure 2, which would affect the shortening of the filter element structure 2 replacement time and increase the cost of use.

[0034] Working principle: When using this polypropylene yarn wound filter element, the external power supply is connected, and the filter element structure 2 and pretreatment component 3 are stored through the filter element shell structure 1. The impurities are pretreated through the pretreatment component 3, and the tap water is filtered through the filter element structure 2.

[0035] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing this utility model 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. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A polypropylene yarn wound filter element, comprising a filter element shell structure (1), a filter element structure (2) and a pretreatment assembly (3) detachably installed within the filter element shell structure (1), wherein the filter element structure (2) is disposed within the pretreatment assembly (3), characterized in that, The filter cartridge housing structure (1) includes a base (11), a housing (12) is fixed on the upper side of the base (11), a top cover (13) is threadedly sealed on the upper side of the housing (12), a first water inlet pipe (14) passes through the upper side of the top cover (13), a high-pressure cleaning component (15) is embedded on the lower side of the top cover (13), and a wastewater pipe (16) passes through the base (11) for wastewater treatment; The high-pressure cleaning component (15) includes a high-pressure water inlet pipe (151), which is connected to a water delivery pipe (152). The water delivery pipe (152) is embedded in the housing (12), and the lower side of the water delivery pipe (152) is connected to a high-pressure nozzle (153).

2. The polypropylene yarn wound filter element according to claim 1, characterized in that: The filter element structure (2) has a first polypropylene yarn filter assembly (22) on its outer side and a second polypropylene yarn filter assembly (23) on its outer side.

3. A polypropylene yarn wound filter element according to claim 2, characterized in that: The second polypropylene yarn filter assembly (23) and the first polypropylene yarn filter assembly (22) have the same structure.

4. A polypropylene yarn wound filter element according to claim 2, characterized in that: The first polypropylene yarn filter assembly (22) includes a first threaded fixing ring (221), a filter tube (222) fixed on the first threaded fixing ring (221), an anti-slip protrusion (223) fixed on the filter tube (222), a polypropylene yarn layer (224) wound on the anti-slip protrusion (223), and a first pressure plate (225) fixed on the upper side of the filter tube (222).

5. A polypropylene yarn wound filter element according to claim 4, characterized in that: The pretreatment component (3) includes a second threaded retaining ring (31), an annular filter screen (32) is fixed on the upper side of the second threaded retaining ring (31), and a second pressure plate (33) is fixed on the upper side of the annular filter screen (32).

Citation Information

Patent Citations

  • Wire -wound filter core

    CN205042223U