CN219709299U

CN219709299U - Scale inhibition type composite filter element

Info

Publication number: CN219709299U
Application number: CN202123426875.2U
Authority: CN
Inventors: 沈鑫
Original assignee: Guangdong Wapu Technology Co Ltd
Current assignee: Guangdong Wapu Technology Co Ltd
Priority date: 2020-12-31
Filing date: 2021-12-31
Publication date: 2023-09-19
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of water purification, in particular to a scale-inhibiting composite filter element, which comprises a shell and a filter element assembly arranged in the shell, wherein the shell is provided with a first water intersection, a second water intersection, a third water intersection, a fourth water intersection and a fifth water intersection which are positioned on the same end face of the shell; the filter element assembly comprises a second filter part and a first filter part which are sequentially arranged up and down and are mutually isolated; raw water sequentially flows through the first water crossing, the first filtering part and the second water crossing to form a raw water primary filtering channel; the primary filtered water sequentially flows through a fourth water crossing, a second filtering part and a fifth water crossing to form a re-filtering water purifying channel; the drainage side of the second filtering part is communicated with the third waterway port to form a re-filtering drainage channel; a scale inhibition cavity for placing a scale inhibitor is arranged in the re-filtering water purification channel, the scale inhibition cavity wraps the lower end of the second filtering part, is communicated with the second filtering part and is isolated from the first filtering part; the utility model has compact structure and is not easy to be blocked.

Description

Scale inhibition type composite filter element

Technical Field

The utility model relates to the technical field of water purification, in particular to a scale-inhibiting composite filter element.

Background

Tap water delivered to individual users from municipal water works typically contains a certain amount of salt ions, metal species, chlorides, microorganisms, silt, etc. In order to improve the drinking quality, more families choose to install water purifiers on a water outlet pipe of tap water, and filter elements with multiple functions are arranged in the water purifiers so as to remove different types of harmful substances in the tap water.

Usually, the existing water purifier filter element is generally 3-4 grades, and the water purifier filter element of partial manufacturer is double-core. In order to improve the filter effect of the composite filter element, a plurality of filter element assemblies are arranged in the water purifier, water inlets and water outlets among the filter element assemblies are sequentially connected in series, water inlet cavities and water outlet cavities are respectively formed at two sides of different filter elements, three-stage and four-stage filter element assemblies are often required to be connected in series in order to achieve high-quality drinking water, and external pipelines are required to be connected between the water outlets and the water inlets among the different filter element assemblies, so that the pipeline system of the composite filter element assemblies is numerous and complicated, the whole water purifier occupies a large space, and the filter elements are inconvenient to install and replace.

On the other hand, the higher the hardness of water quality is, the higher the content of calcium and magnesium ions in water is, and long-term drinking of high-hardness water can cause chronic poisoning of human body and seriously harm the health of people. The content of calcium and magnesium ions in the high-hardness water can be effectively reduced through the filtration of the filter element of the water purifier, however, the reverse osmosis membrane component of the filter element is easy to be blocked due to the fact that the high-hardness water contains a large amount of calcium and magnesium ions, and the service life of the reverse osmosis membrane component of the filter element is short.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art, providing a scale-inhibiting composite filter element and solving the problems of complex pipeline system of a composite filter element assembly and easy blockage of the filter element assembly.

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

the scale inhibition type composite filter element comprises a shell and a filter element assembly arranged in the shell, wherein a first water crossing, a second water crossing, a third water crossing, a fourth water crossing and a fifth water crossing which are positioned on the same end face of the shell are arranged on the shell; the filter element assembly comprises a second filter part and a first filter part which are sequentially arranged up and down and are mutually isolated; raw water sequentially flows through the first water crossing, the first filtering part and the second water crossing to form a raw water primary filtering channel; the primary filtered water sequentially flows through a fourth water crossing, a second filtering part and a fifth water crossing to form a re-filtering water purifying channel; the drainage side of the second filtering part is communicated with the third water channel port to form a re-filtering drainage channel; a scale inhibition cavity for placing a scale inhibitor is arranged in the re-filtering water purification channel, the scale inhibition cavity wraps the lower end of the second filtering part, is communicated with the second filtering part and is isolated from the first filtering part; and a scale inhibitor is arranged in the scale inhibition cavity.

The working principle of the utility model is as follows:

when raw water enters the scale inhibition type composite filter element, the raw water enters a raw water primary filtering channel through a corresponding first water channel port, flows through a central pipe and a first filtering part along the raw water primary filtering channel, radially permeates into a drainage side through a water inlet side of the first filtering part to obtain primary filtered water, and flows out of a shell through a second water channel port. The primary filtered water enters a re-filtering water purifying channel through a fourth water channel, flows through a scale inhibition cavity filled with a scale inhibitor and a second filtering part along the re-filtering water purifying channel, radially permeates to the inner side from the outer peripheral side of the second filtering part, sequentially enters a second overflow hole, a second water flow channel and a third filtering part to obtain re-filtering water, flows to a fifth water channel outlet and flows out of the shell, and the concentrated water enters the re-filtering water discharging channel from the water discharging side of the second filtering part and flows to the third water channel outlet and flows out of the shell.

Through above-mentioned compound filter core scheme of scale inhibition, single filter core shell realizes multistage filtration, and single filter core can satisfy purifier user demand advantage, and is provided with the scale inhibitor, can effectively prevent the incrustation scale production, reaches the effect that prevents the filter core subassembly and blocks up, makes filter core subassembly's life and filtration ability guarantee and extension, can avoid the comparatively frequent change filter core of user, reaches the purpose that reduces user use cost.

Further, the scale inhibition cavity is provided with a scale inhibition shell, and the scale inhibition shell, the first filtering part and the second filtering part are coaxially arranged and are all in a cylindrical structure.

In order to better improve the water quality and taste, in the re-filtering water purifying channel, the upper part of the second filtering part is provided with a third filtering part for improving the water quality and taste.

In order to further realize the compactness of the structure, a spacer is arranged in the re-filtering water purifying channel, the spacer comprises an outer baffle plate and an inner baffle plate sleeved in the outer baffle plate, a first water flow channel is formed in the inner baffle plate and communicated with the water outlet side of the first filtering part, and a second water flow channel communicated with the re-filtering water purifying channel is formed between the outer baffle plate and the inner baffle plate; the outer baffle is provided with a plurality of second overflow holes, the second overflow holes are communicated with the second water flow channel, and the fourth water crossing, the scale inhibition cavity, the second overflow holes, the second water flow channel and the fifth water channel are sequentially communicated to form the re-filtration water purification channel.

Further, the inner baffle is provided with a projection projecting toward the outer baffle, the projection being disposed toward the second overflow hole.

Further, a central tube is arranged in the first water flow channel; the central pipe penetrates through the first filtering part and is communicated with the water inlet side of the first filtering part; a gap is reserved between the central pipe and the inner baffle plate, and the gap is communicated with the water outlet side of the first filtering part; the central tube, the first filtering part and the gap are communicated in sequence to form the raw water primary filtering channel.

Further, a sealing member for sealing the first filtering part is arranged at the lower part of the first filtering part; a third water flow channel is formed between the sealing piece and the shell; the sealing piece is provided with a first overflow hole, and the third water flow channel, the first overflow hole and the central tube are sequentially communicated.

Further, in the filter element assembly, the third filtering portion, the second filtering portion and the first filtering portion are arranged in a vertical space, and the first filtering portion, the second filtering portion, the third filtering portion and the separator are coaxially arranged and all have a cylindrical structure; the center tube is positioned at a central axis of the filter element assembly.

Further, the first filtering part and the second filtering part are separated by a first separator; the first partition is provided with a first center hole communicated with the space inside the first filtering part; the lower part of the central tube is connected in the first central hole in a penetrating way, and the upper part of the central tube is connected in the water purifying opening in a penetrating way.

Further, the second filtering part and the third filtering part are separated by a second separator; the third filtering part and the second separating piece are in a cylindrical structure and are provided with a second center hole through which the center pipe can pass.

The utility model has the beneficial effects that:

1. the single filter element shell realizes multistage filtration, and the single filter element can meet the use requirement of the water purifier.

2. The composite filter element is provided with the isolating piece and the central tube, and is separated from the central tube through the isolating piece to form a raw water primary filtering channel and a secondary filtering water inlet channel, and meanwhile, a secondary filtering water outlet channel is formed, so that the composite filter element is compact in structure.

3. The scale inhibitor is arranged, so that scale can be effectively prevented from being generated, the effect of preventing the filter element assembly from being blocked is achieved, the service life and the filtering capacity of the filter element assembly are ensured and prolonged, the filter element can be prevented from being replaced more frequently by a user, and the purpose of reducing the use cost of the user is achieved.

Drawings

FIG. 1 is a schematic view of the scale inhibiting composite filter element of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of B in FIG. 1;

fig. 4 is a schematic structural view of the spacer.

Reference numerals illustrate: a housing 1; a filter element assembly 2; a first water crossing 3; a second water crossing 4; a third water crossing 5; a fourth water crossing 6; a fifth water crossing 7; a first filter unit 8; a second filtering part 9; a third filter unit 10; a raw water primary filtration channel 11; a re-filtering drainage channel 13; a re-filtration water purification channel 14; a seal 15; a first overflow hole 151; a spacer 17; an inner baffle 171; an outer baffle 172; a second overflow hole 173; a bump 174; a central tube 18; a first partitioning member 19; a first central bore 20; a second partitioning member 21; a second central bore 22; a scale inhibition housing 23; scale inhibiting cavity 24.

Detailed Description

In order to make the technical scheme, the purpose and the advantages of the utility model more clear, the utility model is further explained below with reference to the drawings and the embodiments.

As shown in fig. 1-3, the scale inhibition type composite filter element comprises a shell 1 and a filter element assembly 2 arranged in the shell 1, wherein a first water crossing 3, a second water crossing 4, a third water crossing 5, a fourth water crossing 6 and a fifth water crossing 7 which are positioned on the same end face of the shell 1 are arranged on the shell 1.

The filter element assembly 2 comprises a second filter part 9 and a first filter part 8 which are sequentially arranged up and down and are mutually isolated; raw water sequentially flows through the first water crossing 3, the first filtering part 8 and the second water crossing 4 to form a raw water primary filtering channel 11; the primary filtered water sequentially flows through the fourth water crossing 6, the second filtering part 9 and the fifth water crossing 7 to form a re-filtering water purifying channel 14; the drainage side of the second filtering part 9 is communicated with the third water crossing 5 to form a re-filtering drainage channel 13. In order to improve the taste of water, a third filter part 10 for improving the taste of purified water is arranged at the upper part of the second filter part 9 in the re-filtering water channel 14. The first filtering part 8, the second filtering part 9 and the third filtering part 10 are coaxially arranged and all have a cylindrical structure.

A scale inhibition cavity 24 for placing a scale inhibitor is arranged in the re-filtering water purification channel 14, the scale inhibition cavity 24 wraps the lower end of the second filtering part 9, is communicated with the second filtering part 9 and is isolated from the first filtering part 8; a scale inhibitor is disposed within the scale inhibiting cavity 24. The scale inhibition cavity 24 is provided with a scale inhibition shell 23, and the scale inhibition shell 23, the first filtering part 8 and the second filtering part 9 are coaxially arranged and all have a cylindrical structure.

Specifically, as shown in fig. 1 and 4, the separator 17 is disposed in the re-filtering water purifying channel 14, the separator 17 includes an outer baffle 172 and an inner baffle 171 sleeved inside the outer baffle 172, a first water flow channel is formed in the inner baffle 171 and is communicated with the water outlet side of the first filtering portion 8, the outer baffle 172 and the inner baffle 171 are isolated from each other, and a second water flow channel communicated with the re-filtering water purifying channel 14 is formed between the outer baffle 172 and the inner baffle 171; the outer baffle 172 is provided with a plurality of second overflow holes 173, the second overflow holes 173 are communicated with the second water flow channel, and the fourth water crossing 6, the scale inhibition cavity 24, the second overflow holes 173, the second water flow channel, the third filtering part 10 and the fifth water crossing 7 are sequentially communicated to form the re-filtering water purification channel 14. The inner barrier 171 is provided with a projection 174 projecting toward the outer barrier 172, and the projection 174 is disposed toward the second overflow hole 173.

A central tube 18 is arranged in the first water flow channel; the central pipe 18 penetrates to the first filtering part 8 and is communicated with the water inlet side of the first filtering part 8; a gap is reserved between the central tube 18 and the inner baffle 171, and the gap is communicated with the water outlet side of the first filtering part 8; the central tube 18, the first filtering part 8 and the gap are sequentially communicated to form the raw water primary filtering channel 11.

The spacers 17 simultaneously form a fixing effect on the central tube 18, and the central tube 18 is fixed through the arranged spacers 17, so that the structure is further simple and compact.

The lower part of the first filtering part 8 is provided with a sealing member 15 for sealing the first filtering part 8; a third water flow channel is formed between the sealing piece 15 and the shell 1; the sealing member 15 is provided with a first overflow hole 151, and the third water flow channel, the first overflow hole 151 and the central tube 18 are sequentially communicated.

In the filter element assembly 2, the third filter portion 10, the second filter portion 9 and the first filter portion 8 are arranged in a vertically spaced manner, and the first filter portion 8, the second filter portion 9, the third filter portion 10 and the separator 17 are coaxially arranged and all have a tubular structure; the center tube 18 is located at a central axis of the cartridge assembly 2. The first filtering part 8 and the second filtering part 9 are separated by a first separator 19; the first partition 19 is provided with a first central hole 20 communicating with the space inside the first filtering portion 8; the lower portion of the center tube 18 is connected to the first center hole 20 in a penetrating manner, and the upper portion of the center tube 18 is connected to the purified water opening in a penetrating manner. The second filtering part 9 and the third filtering part 10 are separated by a second separator 21; the third filtering part 10 and the second partition 21 have a cylindrical structure and are provided with a second central hole 22 through which the central tube 18 passes.

The spacer 17, the seal 15, the scale inhibition housing 23, the first filter unit 8 and the second filter unit 9 are coaxially arranged and have a cylindrical structure.

The working principle of the utility model is as follows:

when raw water enters the scale inhibition type composite filter element, the raw water firstly enters the raw water primary filtering channel 11 through the corresponding first water crossing 3, flows through the central pipe 18 and the first filtering part 8 along the raw water primary filtering channel 11, radially permeates into the gap from the water inlet side to the water outlet side of the first filtering part 8 to obtain primary filtered water, and flows out of the shell 1 through the second water crossing 4. The primary filtered water enters the re-filtering water purifying channel 14 through the fourth water crossing 6, flows through the scale inhibition cavity 24 filled with the scale inhibitor and the second filtering part 9 along the re-filtering water purifying channel 14, radially permeates to the inner side from the outer peripheral side of the second filtering part 9, sequentially enters the second overflow hole 173, the second water flow channel and the third filtering part 10, obtains re-filtering water, flows to the fifth water crossing 7 and flows out of the shell 1, and the concentrated water flows out of the shell 1 from the water draining side of the second filtering part 9, flows to the third water crossing 5 and flows out of the water draining channel 13.

The foregoing is merely a preferred embodiment of the present utility model, and modifications of the embodiments described above can be made by those skilled in the art without departing from the implementation principles of the present utility model, and the corresponding modifications should also be considered as the protection scope of the present utility model.

Claims

1. The utility model provides a compound filter core of scale inhibition formula, includes casing (1) and set up in filter core subassembly (2) in casing (1), its characterized in that: the shell (1) is provided with a first water crossing (3), a second water crossing (4), a third water crossing (5), a fourth water crossing (6) and a fifth water crossing (7) which are positioned on the same end face of the shell (1);

the filter element assembly (2) comprises a second filter part (9) and a first filter part (8) which are sequentially arranged up and down and are mutually isolated;

raw water sequentially flows through the first water crossing (3), the first filtering part (8) and the second water crossing (4) to form a raw water primary filtering channel (11);

the primary filtered water sequentially flows through a fourth water crossing (6), a second filtering part (9) and a fifth water crossing (7) to form a re-filtering water purifying channel (14);

the drainage side of the second filtering part (9) is communicated with the third water crossing (5) to form a re-filtering drainage channel (13);

a scale inhibition cavity (24) for placing a scale inhibitor is arranged in the re-filtering water purification channel (14), the scale inhibition cavity (24) wraps the lower end of the second filtering part (9), is communicated with the second filtering part (9) and is isolated from the first filtering part (8); a scale inhibitor is arranged in the scale inhibition cavity (24).

2. The scale-inhibiting composite filter cartridge of claim 1, wherein the scale-inhibiting cavity (24) is provided with a scale-inhibiting housing (23), and the scale-inhibiting housing (23), the first filter portion (8) and the second filter portion (9) are coaxially arranged and all have a cylindrical structure.

3. A scale inhibiting composite filter cartridge according to claim 1, wherein in the re-filtration water purifying channel (14), a third filter portion (10) for improving the taste of purified water is provided at an upper portion of the second filter portion (9).

4. The scale-inhibiting composite filter cartridge of claim 1, wherein a spacer (17) is disposed in the re-filtration water purification channel (14), the spacer (17) comprises an outer baffle (172) and an inner baffle (171) sleeved inside the outer baffle (172), a first water flow channel is formed in the inner baffle (171) and is communicated with the water outlet side of the first filter part (8), the outer baffle (172) and the inner baffle (171) are isolated from each other, and a second water flow channel communicated with the re-filtration water purification channel (14) is formed between the outer baffle (172) and the inner baffle (171); the outer baffle plate (172) is provided with a plurality of second overflow holes (173), the second overflow holes (173) are communicated with the second water flow channel, and the fourth water crossing (6), the scale inhibition cavity (24), the second overflow holes (173), the second water flow channel and the fifth water crossing (7) are sequentially communicated to form the re-filtering water purification channel (14).

5. The scale-inhibiting composite filter cartridge of claim 4, wherein the inner baffle (171) is provided with a projection (174) projecting in the direction of the outer baffle (172), the projection (174) being disposed toward the second flow-through aperture (173).

6. A scale-inhibiting composite filter cartridge according to claim 4, wherein in the re-filtration water purification channel (14), a third filter portion (10) for improving the taste of purified water is provided at an upper portion of the second filter portion (9); a central tube (18) is arranged in the first water flow channel; the central pipe (18) penetrates through the first filtering part (8) and is communicated with the water inlet side of the first filtering part (8); a gap is reserved between the central pipe (18) and the inner baffle plate (171), and the gap is communicated with the water outlet side of the first filtering part (8); the central tube (18), the first filtering part (8) and the gap are sequentially communicated to form the raw water primary filtering channel (11).

7. A scale-inhibiting composite filter cartridge according to claim 6, wherein the lower part of the first filter portion (8) is provided with a seal (15) for sealing the first filter portion (8); a third water flow channel is formed between the sealing piece (15) and the shell (1); the sealing piece (15) is provided with a first overflow hole (151), and the third water flow channel, the first overflow hole (151) and the central tube (18) are communicated in sequence.

8. The scale-inhibiting composite filter element according to claim 6, wherein in the filter element assembly (2), the third filter portion (10), the second filter portion (9) and the first filter portion (8) are arranged in a vertically spaced arrangement, and the first filter portion (8), the second filter portion (9), the third filter portion (10) and the separator (17) are coaxially arranged and all have a cylindrical structure; the central tube (18) is positioned at the central axis of the filter element assembly (2).

9. A scale-inhibiting composite filter cartridge according to claim 6, wherein the first filter portion (8) and the second filter portion (9) are separated by a first separator (19); the first partition (19) is provided with a first central hole (20) communicating with the space inside the first filtering portion (8); the lower part of the central tube (18) is connected in the first central hole (20) in a penetrating way, and the upper part of the central tube (18) is connected in a penetrating way into the water purifying opening.

10. A scale-inhibiting composite filter cartridge according to claim 6, wherein the second filter portion (9) and the third filter portion (10) are separated by a second separator (21); the third filtering part (10) and the second partition (21) are in a cylindrical structure and are provided with a second central hole (22) through which the central tube (18) can pass.