Multi-medium filter based on long-acting recycling

By using multi-layer filter media and backwashing technology, the problem of multi-media filters being prone to failure during repeated use has been solved, achieving high-efficiency filtration and long-term repeated use, while reducing maintenance difficulty and cost.

CN224105574UActive Publication Date: 2026-04-10JIANGSU NOBEL CONTAINER MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing multi-media filters are prone to failure due to adsorption saturation or clogging during recycling, leading to frequent replacements, increased operating costs, and environmental pollution, making it difficult to achieve long-term recycling.

Method used

It adopts a multi-layer filter media structure, including a sand and gravel layer, a quartz sand layer, an activated carbon adsorption layer, and a manganese sand layer. Combined with inclined pipes and water distribution hoods, it can distribute water evenly and is equipped with a mesh plate, a media blocking net, a flushing pipe, and an ultrasonic generator to achieve efficient backwashing and impurity removal.

Benefits of technology

It achieves comprehensive and efficient filtration of various pollutants in water, extends the service life of the filter media, reduces maintenance difficulty and cost, and ensures the long-term stable operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of multi-medium filters, in particular to a multi-medium filter based on long-acting recycling, which comprises a filter cartridge, a gravel layer, a quartz sand layer, an activated carbon adsorption layer and a manganese sand layer are sequentially arranged in the filter cartridge from top to bottom, and a conical hopper is mounted at the bottom end of the filter cartridge. A mesh plate is installed on the inner wall of the cover body at the top of the conical hopper, a medium blocking net is arranged on the upper surface of the mesh plate, a water outlet pipe is installed at the bottom end of the conical hopper, a first valve is fixedly installed on the water outlet pipe, a flushing pipe is installed on the side face of the conical hopper, and a second valve is installed on the flushing pipe. A sewage discharge pipe is fixedly mounted on a top cylinder body of the filter cylinder, a third valve is fixedly mounted on the sewage discharge pipe, a top cover is fixedly mounted at the top of the filter cylinder, a water inlet pipe is arranged on the top cover, and an ultrasonic generator is fixedly mounted in the center of the top cover. The device has the effects of high-efficiency filtration and subsequent impurity cleaning, and is beneficial to long-acting recycling.
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Description

TECHNICAL FIELD

[0001] The utility model relates to multi -medium filter technical field, concretely relates to a multi -medium filter based on long -term cyclic use. BACKGROUND

[0002] In modern industrial production and civil life many scenes, multi -medium filter as realizing water purification's key equipment, is widely used in sewage treatment, drinking water purification, industrial circulating water system etc. field, however, the existing multi -medium filter has the remarkable defect in the long -term cyclic use, it is difficult to meet the unceasingly enhanced filtration requirement;

[0003] Traditional multi -medium filter uses quartz sand, activated carbon etc. filter medium, faces the complex pollutant in sewage, such as heavy metal ion, chemical oxygen demand higher organic pollutant etc., easily fails because of adsorption saturation or blockage, at this moment, frequent replacement is needed, not only increases the operation cost, but also causes a large amount of solid waste, improper handling can produce secondary pollution to the environment, in addition, the microorganism in water can also breed in filter medium, forms the biological membrane, further blocks the medium pore, causes its service life to shorten, frequent replacement influences production continuity, is not conducive to achieving the effect of long -term cyclic use. In view of this, we propose a multi -medium filter based on long -term cyclic use. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a multi -medium filter based on long -term cyclic use to solve the defect proposed in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A multi -medium filter based on long -term cyclic use, including filter drum, the inside of filter drum is sequentially provided with sandstone layer, quartz sand layer, activated carbon adsorption layer and manganese sand layer from top to bottom, the bottom of filter drum is fixedly installed with conical hopper, the top cover inner wall of conical hopper is fixedly installed with mesh plate, the upper surface of mesh plate is provided with medium blocking net, the bottom of conical hopper is fixedly installed with water outlet pipe, the first valve is fixedly installed on water outlet pipe, the side of conical hopper is fixedly installed with flush pipe, the second valve is fixedly installed on flush pipe, the top of filter drum is fixedly installed with dirt discharge pipe, the third valve is fixedly installed on dirt discharge pipe, the top of filter drum is fixedly installed with top cover, the top cover is provided with water inlet pipe.

[0007] Preferably, the mesh plate is a mesh plate body structure, and the medium blocking net is located below the manganese sand layer.

[0008] Preferably, the flushing pipe is located below the mesh plate, and the conical hopper is funnel-shaped.

[0009] Preferably, a support ring is fixedly installed on the top of the filter cartridge, and the top cover is fixedly installed on the upper surface of the support ring.

[0010] Preferably, an annular groove is arranged on the upper surface of the support ring, and a sealing ring is connected and matched in the annular groove.

[0011] Preferably, two left and right symmetrical inclined pipes are fixedly installed at the bottom end of the water inlet pipe, and the inclined pipes are fixedly installed on the top cover and connected with the inside of the filter cartridge.

[0012] Preferably, a water distribution cover is fixedly installed at the bottom end of the inclined pipe, and a plurality of water outlets are arranged on the bottom plate of the water distribution cover.

[0013] Preferably, an ultrasonic generator is fixedly installed at the center position of the top cover, and the emitting end of the ultrasonic generator penetrates into the top cover.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a multi-layer filter cartridge, which comprises a filter cartridge, a top cover, a support ring, an annular groove, a sealing ring, a water inlet pipe, an inclined pipe, a water distribution cover, an ultrasonic generator and a mesh plate.

[0016] 2. The utility model discloses a multi-layer filter cartridge, which comprises a filter cartridge, a top cover, a support ring, an annular groove, a sealing ring, a water inlet pipe, an inclined pipe, a water distribution cover, an ultrasonic generator and a mesh plate.

[0017] 3. The utility model discloses a multi-layer filter cartridge, which comprises a filter cartridge, a top cover, a support ring, an annular groove, a sealing ring, a water inlet pipe, an inclined pipe, a water distribution cover, an ultrasonic generator and a mesh plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic diagram of the utility model;

[0019] Figure 2 It is an explosion structure schematic diagram of the utility model;

[0020] Figure 3 Figure is a sectional view of the filter cartridge of the present application;

[0021] Figure 4 Figure is a schematic diagram of part of the structure of the present application;

[0022] The meanings of the various reference numerals in the figures are as follows:

[0023] 1. filter cartridge; 10. gravel layer; 11. quartz sand layer; 12. activated carbon adsorption layer; 13. manganese sand layer; 14. support ring; 141. annular groove; 142. sealing ring; 15. conical hopper; 151. mesh plate; 152. medium barrier net; 16. water outlet pipe; 161. first valve; 17. flushing pipe; 171. second valve; 18. dirt discharge pipe; 181. third valve;

[0024] 2. top cover; 20. water inlet pipe; 21. inclined pipe; 22. water distribution cover; 23. water outlet hole; 24. ultrasonic generator. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0026] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise” and the like are the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as a limitation on the present application.

[0027] Please refer to Figures 1-4The utility model provides a technical scheme: a multi -media filter based on long -term recycling, including filter drum 1, the inside of filter drum 1 is sequentially provided with sandstone layer 10, quartz sand layer 11, activated carbon adsorption layer 12 and manganese sand layer 13 from top to bottom, through the sandstone layer 10, quartz sand layer 11, activated carbon adsorption layer 12 and manganese sand layer 13 of setting, different filter medium plays respective characteristic, sandstone layer can intercept large particle impurities, quartz sand layer further filters small particle, activated carbon adsorption layer removes organic matter and peculiar smell, manganese sand layer removes heavy metal ions such as iron and manganese, make filter have the ability of overall purification water body, effectively promote filtration quality,

[0028] Specifically, the bottom end of the filter cartridge 1 is fixedly installed with a conical hopper 15, a mesh plate 151 is fixedly installed on the inner wall of the top cover of the conical hopper 15, a medium blocking net 152 is arranged on the upper surface of the mesh plate 151, the mesh plate 151 is a mesh-shaped plate body structure, the medium blocking net 152 is located below the manganese sand layer 13, which provides double protection to prevent the filter medium from flowing out through the water outlet pipe 16.

[0029] Specifically, the bottom end of the conical hopper 15 is fixedly installed with a water outlet pipe 16, the water outlet pipe 16 is used for discharging the purified water, a first valve 161 is fixedly installed on the water outlet pipe 16, a flushing pipe 17 is fixedly installed on the side surface of the conical hopper 15, a second valve 171 is fixedly installed on the flushing pipe 17, a dirt discharge pipe 18 is fixedly installed on the top cylinder of the filter cartridge 1, a third valve 181 is fixedly installed on the dirt discharge pipe 18, the flushing pipe 17 is located below the mesh plate 151, the conical hopper 15 is funnel-shaped, when backwashing is needed, the second valve 171 is opened, water flows into the flushing pipe 17 from below to above to flush the filter medium, so that the impurities attached to the filter medium are separated, the purpose of cleaning the filter medium is achieved, the service life of the filter medium is prolonged, and the impurities flushed out during backwashing are discharged through the dirt discharge pipe 18, so that the dirt generated during backwashing is cleaned in time, and the inside of the equipment is kept clean.

[0030] In this embodiment, the top of the filter cartridge 1 is fixedly installed with a top cover 2, the top cover 2 is provided with a water inlet pipe 20, the water inlet pipe 20 is used for water inlet operation, a support ring 14 is fixedly installed on the top cylinder of the filter cartridge 1, the top cover 2 is fixedly installed on the upper surface of the support ring 14 through a plurality of fastening bolts, the upper surface of the support ring 14 is provided with an annular groove 141, a sealing ring 142 is detachably connected in the annular groove 141, the sealing ring 142 in the annular groove 141 enhances the sealing performance between the filter cartridge 1 and the top cover 2, prevents water leakage, and in addition, this structure facilitates the installation and disassembly of the top cover 2, and makes the equipment maintenance more convenient.

[0031] Specifically, the bottom end of the water inlet pipe 20 is fixedly installed with two left and right symmetrical inclined pipes 21, the inclined pipes 21 are fixedly installed on the top cover 2 and are communicated with the inside of the filter cylinder 1, the bottom end of the inclined pipe 21 is fixedly installed with a water distribution cover 22, a plurality of water outlet holes 23 are arranged on the bottom plate body of the water distribution cover 22, water is introduced into the water distribution cover 22, the plurality of water outlet holes 23 of the bottom plate body of the water distribution cover 22 uniformly disperse the water into the filter cylinder 1, avoid that the local filtering load is too large, make the filtering medium fully play a role, and improve the filtering efficiency.

[0032] Further, the center position of the top cover 2 is fixedly installed with an ultrasonic generator 24, the emitting end of the ultrasonic generator 24 penetrates into the top cover 2, the emitting end of the ultrasonic generator 24 penetrating into the top cover 2 and the top cover 2 are also sealed by a sealing gasket or waterproof glue, so that the sealing effect is ensured; through the arranged ultrasonic generator 24, in the backwashing process, the ultrasonic generator 24 emits ultrasonic waves, uses the cavitation effect of the ultrasonic waves, shakes off stubborn impurities attached to the surface and the inside of the filtering medium, and combines with the water flow flushing of the flushing pipe 17, so that the backwashing effect is further improved, and the long-term use of the filtering medium is ensured.

[0033] The multi-medium filter based on long-term cyclic use of the utility model in use, the filtered water enters by the water inlet pipe 20, flows to the water distribution cover 22 through the inclined pipe 21, the water outlet holes 23 at the bottom of the water distribution cover 22 uniformly disperse the water into the filter cylinder 1, and the water flow passes through the gravel layer 10, the quartz sand layer 11, the activated carbon adsorption layer 12 and the manganese sand layer 13 in turn, so that multi-stage purification of water bodies is realized.

[0034] The purified water flows out from the water outlet pipe 16 through the medium resistance net 152 and the mesh plate 151, and at this time, the first valve 161 is in an open state.

[0035] With the continuous operation of the filter, impurities will be attached to the surface of the filtering medium, when backwashing operation is needed, the first valve 161 is closed, the second valve 171 and the third valve 181 are opened, the water flow enters the conical hopper 15 from the flushing pipe 17, and washes the filtering medium from bottom to top, at the same time, the ultrasonic generator 24 is started, the emitted ultrasonic waves use cavitation effect to shake off stubborn impurities on the surface and inside of the filtering medium, and the impurities washed down are discharged with the water flow through the dirt discharge pipe 18.

[0036] In daily maintenance, if the inside of the filter needs to be checked or parts are replaced, the fastening bolts can be unscrewed, and the top cover 2 is disassembled, and the sealing ring 142 between the top cover 2 and the supporting ring 14 ensures the sealing property of the equipment.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-media filter based on long-term cyclic use, comprising a filter cartridge (1), characterized in that: The inside of the filter cartridge (1) is sequentially provided with a sand layer (10), a quartz sand layer (11), an activated carbon adsorption layer (12) and a manganese sand layer (13) from top to bottom, the bottom end of the filter cartridge (1) is fixedly installed with a conical hopper (15), the top cover inner wall of the conical hopper (15) is fixedly installed with a mesh plate (151), the upper surface of the mesh plate (151) is provided with a medium blocking net (152), the bottom end of the conical hopper (15) is fixedly installed with a water outlet pipe (16), the water outlet pipe (16) is fixedly installed with a first valve (161), the side surface of the conical hopper (15) is fixedly installed with a flushing pipe (17), the flushing pipe (17) is fixedly installed with a second valve (171), the top cylinder of the filter cartridge (1) is fixedly installed with a dirt discharge pipe (18), the dirt discharge pipe (18) is fixedly installed with a third valve (181), the top of the filter cartridge (1) is fixedly installed with a top cover (2), and the top cover (2) is provided with a water inlet pipe (20).

2. The long-cycling, multi-media based filter of claim 1, wherein: The mesh plate (151) is a mesh-shaped plate body structure, and the medium blocking net (152) is located below the manganese sand layer (13).

3. The long-cycling, multi-media based filter of claim 1, wherein: The flushing pipe (17) is located below the mesh plate (151), and the conical hopper (15) is funnel-shaped.

4. The long-cycling, multi-media based filter of claim 1, wherein: The top cylinder of the filter cartridge (1) is fixedly installed with a supporting ring (14), and the top cover (2) is fixedly installed on the upper surface of the supporting ring (14).

5. The long-cycling, multi-media based filter of claim 4, wherein: The upper surface of the supporting ring (14) is provided with an annular groove (141), and the annular groove (141) is matched with a sealing ring (142) in clamping mode.

6. The long-cycling, multi-media based filter of claim 1, wherein: The bottom end of the water inlet pipe (20) is fixedly installed with two left and right symmetrical inclined pipes (21), the inclined pipes (21) are fixedly installed on the top cover (2) and are connected with the inside of the filter cartridge (1).

7. The long-cycling, multi-media filter based on long-term use according to claim 6, characterized by: The bottom end of the inclined pipe (21) is fixedly installed with a water distribution cover (22), and the bottom plate body of the water distribution cover (22) is provided with a plurality of water outlet holes (23).

8. The long-cycling, multi-media based filter of claim 1, wherein: The center position of the top cover (2) is fixedly installed with an ultrasonic generator (24), and the emission end of the ultrasonic generator (24) penetrates into the top cover (2).