CN211546150U

CN211546150U - Composite filter element

Info

Publication number: CN211546150U
Application number: CN201921579535.3U
Authority: CN
Inventors: 张上贺; 冯永刚
Original assignee: Guangdong Welland Life Technology Co ltd; Guangdong Wapu Technology Co Ltd
Current assignee: Guangdong Lingshang Water Purification Technology Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-09-22
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a composite filter element, which comprises a filter element body, wherein the outer side of the filter element body is arranged to be wide at the top and narrow at the bottom; the filter element body is internally provided with a cavity, the upper part of the filter element body is provided with a plurality of water inlet through holes which are communicated with the cavity and the external space of the filter element body, and the bottom of the filter element body is provided with a plurality of water outlet through holes which are communicated with the cavity and the external space of the filter element body; in the cavity, a basic filter layer, an anion-cation exchange resin filter layer and an active adsorption material filter layer are arranged between the water inlet through hole and the water outlet through hole. The utility model has the advantages that: filterable water can obviously reduce TDS, and available TDS pen or TDS check out test set detect the drainage and whether reach filter effect, easy dismounting.

Description

Composite filter element

Technical Field

The utility model relates to a water purification unit field especially relates to a composite filter element.

Background

In recent years, water purification products have been receiving more and more attention from consumers as health products, and the water purification industry has been rapidly developed. Tap water is typically filtered through a filtration system to obtain purified water. The drinking water in the prior art is generally provided to the user for use after being subjected to various filtering or sterilizing treatments before use. However, as the quality of drinking water is further improved, the drinking water purified in advance in the prior art cannot meet the gradually improved requirements of people. Therefore, water purifying kettles, water purifiers, and water purifying cups for filtering drinking water to be used have gradually come into wide use. However, the water purifying kettle, the water purifying cup and the water purifier in the prior art often cannot reduce the desalination rate or remove heavy metals, and the filtered water cannot be used for identifying whether the drinking is satisfied by using a simple tool. Therefore, it is necessary to overcome the deficiencies of the prior art by providing a composite filter element of a water purifying kettle capable of safely purifying water and reducing TDS. (TDS value represents the total solids dissolved in water, in PPM. relatively speaking, the purer the water, the lower its TDS value, and vice versa)

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a composite filter element to solve water purification unit and can not reduce the desalination, can not get rid of the heavy metal and the water of filtering out can't use simple and convenient instrument to go the not enough of discernment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a composite filter element comprises a filter element body, wherein the outer side of the filter element body is wide at the top and narrow at the bottom; the filter element body is internally provided with a cavity, the upper part of the filter element body is provided with a plurality of water inlet through holes which are communicated with the cavity and the external space of the filter element body, and the bottom of the filter element body is provided with a plurality of water outlet through holes which are communicated with the cavity and the external space of the filter element body; in the cavity, a basic filter layer, an anion-cation exchange resin filter layer and an active adsorption material filter layer are arranged between the water inlet through hole and the water outlet through hole.

The principle of the technical scheme is as follows:

the upper part of the filter element body is wider and gradually narrows from top to bottom, and the filter element body is arranged to be wide at the top and narrow at the bottom and can be directly installed inside a water purifying device, such as a water purifying kettle, a water purifying cup and the like. The flow direction of water flow in the composite filter element is as follows: enters the cavity from the water inlet through hole and then flows out of the cavity through the water outlet through hole. The water flow enters the cavity of the filter element body from the water inlet through hole and passes through the basic filter layer, the anion-cation exchange resin filter layer and the active adsorption material filter layer in the cavity; the basic filter layer can filter large-particle impurities; the anion and cation exchange resin filter layer has the anion and cation exchange function and can remove ions in water and reduce the TDS value in water; the active adsorption material filtering layer can adsorb the heterochrosis, peculiar smell, organic matters, chloride, pesticide residues and the like in water. The water which finishes the purification process leaves the composite filter element through the water outlet through hole at the bottom of the filter element body.

Specifically, the periphery side of the filter element body is provided with an annular groove, and a sealing ring is sleeved on the annular groove. After the filter element is arranged in the water purifying equipment, the sealing ring is tightly clamped between the outer wall of the filter element body and the inner wall of the water purifying equipment, and the effect of preventing unfiltered water from directly flowing into the water purifying equipment is achieved.

Specifically, the basic filter layer, the anion and cation exchange resin filter layer and the active adsorption material filter layer are sequentially arranged along the water flow direction. Water flow firstly passes through the basic filter layer, large particle impurities can be firstly filtered, ions in water are removed through the anion-cation exchange resin filter layer, and finally, the water is adsorbed by the active adsorption material filter layer to remove heterochrosis, peculiar smell, organic matters, chloride, pesticide residues and the like in the water, so that the filtering is more hierarchical, and the efficiency is higher.

Specifically, the upper side of the filter element body is provided with an upper opening which is communicated with the cavity and the external space of the filter element body; the upper opening is detachably provided with a filter element upper cover, and the water inlet through hole is arranged on the filter element upper cover; the upper cover of the filter element is provided with a handle. The composite filter element is convenient to disassemble and assemble under the condition of ensuring certain sealing property.

Specifically, the basic filter layer comprises a filter screen and filter cotton. The filter cotton has the functions of water dispersion, dirt absorption, filtration and separation in the composite filter element.

Specifically, the anion and cation exchange resin filter layer comprises one or more of anion and cation exchange mixed bed resin, triiodine resin, ultrapure water resin and softened resin. The proper resin can be selected according to actual conditions, and the resin can play a role in reducing the TDS value.

Specifically, the filtering layer of the active adsorption material comprises one or more of common carbon fiber, heavy metal removing carbon fiber, silver-loaded carbon particles, silver-loaded carbon blocks, heavy metal removing carbon blocks, silver-loaded carbon particles, mineralized filter elements, medical stone, zeolite and basalt. According to the actual situation of the liquid to be filtered, a proper active adsorption material is selected in a targeted manner, so that the water purification efficiency of the composite filter element can be improved, and the taste of the purified water discharged is improved.

Particularly, the partition board which can be used for water flow to pass through is arranged between the anion and cation exchange resin filter layer and the active adsorption material filter layer, the partition board plays a role of bearing resin, the anion and cation exchange resin filter layer and the active adsorption material filter layer are not required to be in direct contact, the water purification effect is prevented from being influenced by the overlapping of the filter function between the anion and cation exchange resin filter layer and the active adsorption material filter layer, and the water purification functions of the two parts are more clearly determined.

Specifically, a post-positioned non-woven fabric is arranged between the active adsorption material filtering layer and the water outlet through hole; the filtrating that has carried out above-mentioned purification process must pass through this rearmounted non-woven fabrics from the top down before leaving this composite filter, so the upper and lower surface production pressure differential of this rearmounted non-woven fabrics, and the impurity that is greater than rearmounted non-woven fabrics pore diameter is then held back at the upper surface of rearmounted non-woven fabrics, and the filtration is also carrying out once filtering, improves this composite filter's water purification efficiency.

The utility model has the advantages that: filterable water can obviously reduce TDS, and available TDS pen or TDS check out test set detect the drainage and whether reach filter effect, easy dismounting.

Drawings

FIG. 1 is a schematic structural view of a composite filter element according to the present embodiment;

FIG. 2 is an exploded view of the composite filter element of this embodiment;

fig. 3 is a bottom view of the composite filter element of this embodiment.

Description of reference numerals: 1. a seal ring; 2. a filter element upper cover; 3. a filter screen; 4. filtering cotton; 5. a filtering layer of anion and cation exchange resin; 6. a separator plate; 7. a filter layer of active adsorption material; 8. arranging non-woven fabrics; 9. a filter element body; 10. a handle; 12. a water inlet through hole; 13. a cavity; 14. a water outlet through hole; 15. a hollow platform; 16. an annular groove.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above objects, features and advantages of the present invention more comprehensible, the present invention is further described with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the composite filter element comprises a filter element body 9 and a filter element upper cover 2, wherein an inclined wall is formed at the outer side of the filter element body 9, the inclined wall gradually approaches to a central axis of the filter element body 9 from the upper part to the lower part of the filter element body 9, so that the filter element body 9 is in a shape with a wide upper part and a narrow lower part, and is installed in cooperation with an inner container structure of water purifying equipment, such as a water purifying kettle, a water purifying bottle and the like. A cavity 13 is arranged in the filter element body 9, an upper opening with an upward opening is arranged at the upper part of the cavity 13, and the filter element upper cover 2 is arranged at the upper opening; be provided with handle 10 and the inlet opening 12 of regularly arranging on filter element upper cover 2, inlet opening 12 is seven rows altogether, communicates cavity 13 and this composite filter element's exterior space, and handle 10 is outside towards composite filter element, can supply the user to control, makes things convenient for the dismouting. The filter element upper cover 2 is parallel to the bottom of the filter element body 9.

An annular groove 16 is arranged on the periphery of the filter element body 9, and the annular groove 16 is arranged close to the upper part of the filter element body 9. A sealing ring 1 is sleeved in the annular groove 16.

The bottom of the filter element body 9 is provided with five rows of water outlet through holes 14, and the water outlet through holes 14 are communicated with the cavity 13 and the external space of the composite filter element. In the cavity 13, a basic filter layer, an anion-cation exchange resin filter layer 5, a separation plate 6, an active adsorption material filter layer 7 and a rear non-woven fabric 8 are sequentially arranged from the filter element upper cover 2 to the bottom of the filter element body 9.

The basic filter layer comprises a filter screen 3 and filter cotton 4, and the filter screen 3 is arranged above the filter cotton 4. The anion and cation exchange resin filter layer 5 comprises one or more of anion and cation exchange mixed bed resin, triiodine resin, ultrapure water resin and softening resin. The active adsorption material filtering layer 7 comprises one or more of common carbon fiber, heavy metal removing carbon fiber, silver-loaded carbon particles, silver-loaded carbon blocks, heavy metal removing carbon blocks, silver-loaded carbon particles, mineralized filter elements, medical stone, zeolite and basalt.

A hollow platform 15 is formed in the cavity 13 near the bottom of the filter element body 9, the separation plate 6 is erected on the hollow platform 15, and the anion and cation exchange resin filter layer 5 is placed on the separation plate 6. And the division board 6 below is provided with active adsorption material filter layer 7, is provided with rearmounted non-woven fabrics 8 on the filter element body 9 bottom, and active adsorption material filter layer 7 places on this rearmounted non-woven fabrics 8.

The embodiment of the utility model provides a principle as follows:

install this composite filter element in water purification unit, sealing washer 1 card is established its waterproof effect between 9 outer walls of filter element body and water purification unit inner wall. Water to be filtered enters a cavity 13 of the filter element body 9 from a water inlet through hole 12 of the filter element upper cover 2, large-particle impurities are filtered by the filter screen 3, and then the water flows to the anion and cation exchange resin filter layer 5 after being dispersed, absorbed, filtered and separated by the filter cotton 4, and the anion and cation exchange resin filter layer 5 has an anion and cation exchange function, can remove ions in water and reduce the TDS value in the water; then flows to an active adsorbing material filtering layer 7 through a separation plate 6 to adsorb the heterochrosis, peculiar smell, organic matters, chloride, pesticide residues and the like in the water; finally, the purification process is completed after the impurities are intercepted again by the post-positioned non-woven fabric 8. The water which completes the purification process leaves the composite filter element through the water outlet hole 14 at the bottom of the filter element body 9.

The preferred embodiment of the present invention is only listed in the present specification, and all the technical changes equivalent to those made under the working principle and thought of the present invention are considered as the protection scope of the present invention.

Claims

1. A composite filter element, comprising a filter element body (9), characterized in that: the outer side of the filter element body (9) is wide at the top and narrow at the bottom; a cavity (13) is arranged in the filter element body (9), a plurality of water inlet through holes (12) which are communicated with the cavity (13) and the external space of the filter element body (9) are formed in the upper part of the filter element body (9), and a plurality of water outlet through holes (14) which are communicated with the cavity (13) and the external space of the filter element body (9) are formed in the bottom of the filter element body (9); in cavity (13), be provided with basic filter layer, anion and cation exchange resin filter layer (5) and active adsorption material filter layer (7) between inlet opening (12) and outlet opening (14).

2. The composite filter element of claim 1, wherein: an annular groove (16) is formed in the peripheral side of the filter element body (9), and a sealing ring (1) is sleeved on the annular groove (16).

3. The composite filter element of claim 1, wherein: the basic filter layer, the anion and cation exchange resin filter layer (5) and the active adsorbing material filter layer (7) are sequentially arranged along the water flow direction.

4. The composite filter element of claim 1, wherein: an upper opening which is communicated with the cavity (13) and the external space of the filter element body (9) is arranged on the upper side of the filter element body (9); the filter element upper cover (2) is detachably arranged at the upper opening, and the water inlet through hole (12) is formed in the filter element upper cover (2).

5. The composite filter element of claim 4, wherein: the filter element upper cover (2) is provided with a handle (10).

6. The composite filter element of claim 1, wherein: the basic filter layer comprises a filter screen (3) and filter cotton (4).

7. The composite filter element of claim 1, wherein: the anion and cation exchange resin filter layer (5) comprises one or more of anion and cation exchange mixed bed resin, triiodine resin, ultrapure water resin and softening resin.

8. The composite filter element of claim 1, wherein: the active adsorption material filtering layer (7) comprises one or more of common carbon fiber, heavy metal removing carbon fiber, silver-loaded carbon particles, silver-loaded carbon blocks, heavy metal removing carbon blocks, mineralized filter elements, medical stone, zeolite and basalt.

9. The composite filter element of claim 1, wherein: and a separation plate (6) through which water can flow is arranged between the anion and cation exchange resin filter layer (5) and the active adsorbing material filter layer (7).

10. The composite filter element of claim 1, wherein: a post-positioned non-woven fabric (8) is arranged between the active adsorption material filtering layer (7) and the water outlet through hole (14).