CN215559369U

CN215559369U - Composite filter element with multi-stage filtering function

Info

Publication number: CN215559369U
Application number: CN202121269584.4U
Authority: CN
Inventors: 靳艳涛; 孙学硕; 齐晓娜; 张军; 庞淑昌
Original assignee: HEBEI BAODING TAIHANG GROUP RESPONSIBLE CO LTD
Current assignee: HEBEI BAODING TAIHANG GROUP RESPONSIBLE CO LTD
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-18
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a composite filter element with a multistage filtering function, which comprises a lower filter layer and an upper filter layer which are sequentially arranged along a water flow direction, wherein the lower filter layer is communicated with the upper filter layer through an intermediate end cover, the lower filter layer comprises a lower end cover and a lower composite filter element arranged between the lower end cover and the intermediate end cover, and the lower composite filter element comprises an intermediate framework, a lower filter body wrapped on the outer circumferential side of the intermediate framework and non-woven fabric filter cotton wrapped on the outer circumferential side of the lower filter body. According to the composite filter element with the multi-stage filtering function, which is provided by the utility model, by adopting the composite filter element, rust, silt and other suspended matters in water can be effectively intercepted, abnormal color and peculiar smell can be removed, harmful substances such as residual chlorine and organic compounds in water can be adsorbed, the combination of calcium and magnesium ions in water can be prevented, and the filtering effect is improved.

Description

Composite filter element with multi-stage filtering function

Technical Field

The utility model relates to a water purification and filtration technology, in particular to a composite filter element with a multistage filtration function.

Background

Along with the improvement that the rapid development people's of society living standard obtained showing, make people more and more focus on the quality safety of drinking water, people filter water through water purifier etc. often at drinking water in-process now, wherein the inside core of water purifier is exactly the filter core, filter core brand pattern on the existing market is more, but filter core structure is comparatively complicated, and single filter core can only carry out the filtration of a mode to water (filter silt or get rid of the peculiar smell), influence the filter effect, do not have the characteristic of multistage multipotency integration, and filter core preparation technology is complicated, and the cost is higher. The simple filter element is often sealed in a flat pressing mode, and has the defects of inconvenient installation, easy leakage hidden danger and the like. Therefore, it is necessary to design a composite filter element with multi-stage filtering function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite filter element with a multistage filtering function, which can effectively intercept iron rust, silt and other suspended matters in water, remove abnormal color and peculiar smell, adsorb harmful substances such as residual chlorine, organic compounds and the like in water, prevent calcium and magnesium ions in water from being combined and improve the filtering effect.

In order to achieve the purpose, the utility model provides a composite filter element with a multistage filtering function, which comprises a lower filter layer and an upper filter layer which are sequentially arranged along a water flow direction, wherein the lower filter layer is communicated with the upper filter layer through an intermediate end cover, the lower filter layer comprises a lower end cover and a lower composite filter element arranged between the lower end cover and the intermediate end cover, and the lower composite filter element comprises an intermediate framework, a lower filter body wrapped on the outer circumference side of the intermediate framework and non-woven fabric filter cotton wrapped on the outer circumference side of the lower filter body.

Preferably, the upper filter layer comprises an upper end cover and an upper filter element arranged between the upper end cover and the middle end cover, and the upper filter element comprises a filter cartridge and an upper filter body filled in the filter cartridge.

Preferably, the bottom end of the upper end cover is fixedly connected with the inner side of the filter cylinder, a water outlet connector is fixed at the top end of the upper end cover, an annular sealing groove is formed in the outer circumferential side of the water outlet connector, and an O-shaped sealing ring is clamped in the annular sealing groove.

Preferably, the upper end cover, the filter cartridge, the middle end cover, the framework and the lower end cover are all made of food-grade polypropylene.

Preferably, the outer circumference side of water outlet joint is equipped with the twice by last to under in proper order annular seal groove, twice equal joint has in the annular seal groove O type sealing washer, the material of O type sealing washer is food level rubber material.

Preferably, the upper end cover and the filter cartridge, the filter cartridge and the middle end cover, the middle end cover and the framework, and the framework and the lower end cover are connected in a spin-melt welding manner.

Preferably, the upper filter body is acid-washed coconut shell granular activated carbon.

Preferably, the lower filter body is an activated carbon fiber layer.

The utility model has the following beneficial effects:

1. the composite filter element is arranged, so that the filtering effect is better, large-particle matters such as sludge and the like in water are removed by water flow through the non-woven fabric filter cotton, then the water flow enters the lower filter body to be filtered again and adsorb organic matters and prevent the combination of calcium and magnesium ions in the water, chlorine is removed at the same time, and then the water flow enters the upper filter body to remove peculiar smell, so that the filtering effect is better;

2. the filter element is sealed and isolated from filtered water through the O-shaped sealing ring, the sealing is tight, a sealing point is reduced compared with flat pressure type sealing, the operation performance is more stable, the installation and replacement are more convenient and faster, the market demand is met, and the filter element is suitable for popularization;

3. simple structure, convenient production and low manufacturing cost.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a composite filter element with a multi-stage filtering function according to an embodiment of the present invention.

Wherein: 1. an O-shaped sealing ring; 2. an upper end cover; 3. a filter cartridge; 4. an upper filter body; 5. a middle end cap; 6. a framework; 7. a lower filtering body; 8. non-woven fabric filter cotton; 9. a lower end cover; 10. and a water outlet joint.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.

Fig. 1 is a schematic structural diagram of a composite filter element with a multistage filtering function according to an embodiment of the present invention, and as shown in fig. 1, the composite filter element includes a lower filter layer and an upper filter layer sequentially arranged along a water flow direction, the lower filter layer is communicated with the upper filter layer through an intermediate end cap 5, the lower filter layer includes a lower end cap 9 and a lower composite filter element disposed between the lower end cap 9 and the intermediate end cap 5, and the lower composite filter element includes an intermediate skeleton 6, a lower filter body 7 wrapped on an outer circumferential side of the intermediate skeleton 6, and a non-woven fabric filter cotton 8 wrapped on an outer circumferential side of the lower filter body 7.

Preferably, the upper filter layer includes an upper end cap 2 and an upper filter element disposed between the upper end cap 2 and the middle end cap 5, and the upper filter element includes a filter cartridge 3 and an upper filter body 4 filled in the interior of the filter cartridge 3. The bottom end of the upper end cover 2 is fixedly connected with the inner side of the filter cylinder 3, the top end of the upper end cover 2 is fixedly provided with a water outlet connector 10, an annular sealing groove is formed in the outer circumferential side of the water outlet connector 10, and an O-shaped sealing ring 1 is clamped in the annular sealing groove. Preferably, the outer circumference side of water connectors 10 is equipped with the twice by last to under in proper order annular seal groove, twice equal joint has in the annular seal groove O type sealing washer 1, O type sealing washer 1's material is food level rubber material, double sealing, and sealed effect is better.

Preferably, the upper end cover 2, the filter cartridge 3, the middle end cover 5, the framework 6 and the lower end cover 9 are all made of food-grade polypropylene, so that the use is safer.

Preferably, the upper end cover 2 and the filter cartridge 3, the filter cartridge 3 and the middle end cover 5, the middle end cover 5 and the framework 6, and the framework 6 and the lower end cover 9 are connected in a spin-on welding manner.

Preferably, the upper filter body 4 is acid-washed coconut shell particle activated carbon, and can adsorb abnormal color and odor in water and improve water quality.

Preferably, the lower filter 7 is an activated carbon fiber layer, and the carbon-containing fibers are activated at high temperature to form nano-scale apertures on the surface thereof, so that the specific surface area is increased, the adsorption treatment capacity is greatly improved, and harmful substances such as residual chlorine and organic compounds in water can be effectively adsorbed.

The working process is as follows: water enters the activated carbon fiber layer through the non-woven fabric filter cotton 8, large particle impurities in water, such as rust, silt, peculiar smell, suspended matters and the like, can be removed in the process, harmful substances such as residual chlorine, organic compounds and the like in the water can be effectively adsorbed, the raw water treated in the first step upwards passes through the upper filter body 4 in the filter cylinder 3 through the framework 6 arranged at the center, the peculiar smell in the water can be adsorbed when passing through the upper filter body 4, the water quality is improved, and the water is finally treated and then flows out through the water outlet joint 10 of the upper end cover 2.

Therefore, the composite filter element with the multi-stage filtering function, which adopts the structure, can effectively intercept iron rust, silt and other suspended matters in water, remove abnormal color and peculiar smell, adsorb harmful substances such as residual chlorine and organic compounds in water, prevent the combination of calcium and magnesium ions in water and improve the filtering effect.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a composite filter core with multiple stage filtration function which characterized in that: the filter comprises a lower filter layer and an upper filter layer which are sequentially arranged along the water flow direction, wherein the lower filter layer is communicated with the upper filter layer through an intermediate end cover, the lower filter layer comprises a lower end cover and a lower composite filter element arranged between the lower end cover and the intermediate end cover, and the lower composite filter element comprises an intermediate framework, a lower filter body wrapped on the outer circumferential side of the intermediate framework and non-woven fabric filter cotton wrapped on the outer circumferential side of the lower filter body;

the upper filter layer comprises an upper end cover and an upper filter element arranged between the upper end cover and the middle end cover, and the upper filter element comprises a filter cylinder and an upper filter body filled in the filter cylinder;

the bottom end of the upper end cover is fixedly connected with the inner side of the filter cylinder, the top end of the upper end cover is fixedly provided with a water outlet connector, an annular sealing groove is formed in the outer circumferential side of the water outlet connector, and an O-shaped sealing ring is clamped in the annular sealing groove.

2. The composite filter element with multistage filtering function according to claim 1, wherein: the upper end cover, the filter cylinder, the middle end cover, the framework and the lower end cover are all made of food-grade polypropylene.

3. The composite filter element with multistage filtering function according to claim 1, wherein: the outer circumference side of water outlet joint is equipped with the twice by last to under in proper order annular seal groove, twice equal joint has in the annular seal groove O type sealing washer, the material of O type sealing washer is food level rubber material.

4. The composite filter element with multistage filtering function according to claim 1, wherein: the upper end cover and the filter cylinder, the filter cylinder and the middle end cover, the middle end cover and the framework and the lower end cover are connected in a spin-melt welding mode.

5. The composite filter element with multistage filtering function according to claim 1, wherein: the upper filter body is acid-washed coconut shell granular activated carbon.

6. The composite filter element with multistage filtering function according to claim 1, wherein: the lower filter body is an activated carbon fiber layer.