CN220520319U

CN220520319U - Multifunctional composite RO membrane element

Info

Publication number: CN220520319U
Application number: CN202322095394.0U
Authority: CN
Inventors: 甄建生; 张晓丽; 董江明; 李昭良
Original assignee: Hebei Kaisheng Wancun Environmental Protection Technology Co ltd
Current assignee: Hebei Kaisheng Wancun Environmental Protection Technology Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-23
Anticipated expiration: 2033-08-04

Abstract

The application provides a composite RO membrane element, in particular a multifunctional composite RO membrane element, which comprises two filter cartridges and a flow direction switching valve, wherein a first filter element and a second filter element are respectively arranged in the two filter cartridges, and the flow direction switching valve is connected between the two filter cartridges; according to the utility model, the first filter element and the second filter element are respectively arranged in the two filter cartridges, and the flow direction switching valves are used for connecting with each other, so that the raw water is subjected to graded filtration, purified water obtained by filtering and purifying the first filter element can be discharged through the flow direction switching valves and used as household normal water for cooking, washing and the like, and the obtained purified water can be further filtered by using the second filter element to obtain clean water for direct drinking or infants.

Description

Multifunctional composite RO membrane element

Technical Field

The utility model relates to the technical field of RO (reverse osmosis) membrane elements, and particularly discloses a multifunctional composite RO membrane element.

Background

RO is an abbreviation for English Reverse Osmosis, chinese means Reverse Osmosis. The water flow mode is from low concentration to high concentration, and once pressurized, the water flows from high concentration to low concentration, namely the reverse osmosis principle, namely that the RO membrane has the pore diameter of one part per million (0.0001 microns) of hair, bacteria and viruses are 5000 times of the RO membrane and can not be seen by naked eyes, so that only water molecules and part of mineral ions can pass through, and other impurities and heavy metals are discharged from a waste pipe.

The utility model with the publication number of CN216799385U provides a multifunctional composite RO membrane element and a reverse osmosis filter element thereof, wherein the multifunctional composite RO membrane element comprises an RO membrane, and a contact surface of the RO membrane, which contacts with purified water, is provided with a composite layer for reprocessing the purified water.

Although the above-described utility model reduces the problems of the filter device volume and reduces the possibility of damage to the RO membrane. However, the above-mentioned utility model cannot filter and classify raw water into two different applications of water. In view of this, we propose a multifunctional composite RO membrane element.

Disclosure of Invention

In view of the above-described drawbacks or deficiencies of the prior art, the present application is directed to providing a multifunctional composite RO membrane element.

The technical scheme adopted by the utility model is as follows:

providing a multifunctional composite RO membrane element comprising:

the two filter cartridges are respectively provided with a first filter element and a second filter element, the first filter element is used for preliminarily filtering raw water to obtain purified water, and the second filter element is used for filtering purified water;

the flow direction switching valve is connected between the two filter cartridges, and the handle in the flow direction switching valve can be rotated by ninety degrees in a reciprocating manner to enable the inner cavities of the two filter cartridges to be communicated with each other or enable the inner cavities of the filter cartridges on the left side to be communicated with the outside.

As a preferred technical scheme of the utility model: the filter cartridge is composed of a cylinder, a water inlet cover and a water outlet cover are respectively installed at the left end and the right end of the cylinder, and a water inlet pipe is installed at the left side of the water inlet cover in a communicating mode.

As a preferred technical scheme of the utility model: the cylinder is internally provided with a water collecting pipe, the water collecting pipe is provided with a plurality of water inlet holes, the left side of the water collecting pipe is provided with a baffle, and the water collecting pipe penetrates through the water outlet cover.

As a preferred technical scheme of the utility model: the flow direction switching valve is composed of a spherical valve body and a spherical valve core, a spherical cavity is arranged in the spherical valve body, the spherical valve core is arranged in the spherical cavity, the left side, the right side and the lower side of the spherical cavity are respectively and communicated with each other, and a connecting pipe is arranged at the left side of the spherical cavity, and the right end of the connecting pipe is mutually communicated with the right end of the water collecting pipe.

As a preferred technical scheme of the utility model: the right side the connecting pipe and the right side the inlet tube intercommunication each other, the front side in ball chamber is equipped with the round hole of intercommunication each other.

As a preferred technical scheme of the utility model: the front side of the spherical valve core is provided with a valve rod, the valve rod is arranged in the round hole, and the front end of the valve rod is provided with a handle.

As a preferred technical scheme of the utility model: the limiting block is arranged on the front side of the spherical valve body, the limiting block is in contact with the handle, and the upper side, the left side and the right side of the spherical valve core are provided with mutually communicated perforations.

As a preferred technical scheme of the utility model: the first filter element is composed of a PP cotton ring and a carbon rod, wherein a mounting hole is formed in the carbon rod, and the water collecting pipe on the left side is mounted in the mounting hole.

As a preferred technical scheme of the utility model: the second filter element is composed of a PP cotton sheet, two RO membranes, active carbon cotton and four permeable support layers, wherein the PP cotton sheet, the two RO membranes, the active carbon cotton and the four permeable support layers are wound on the water collecting pipe on the right side.

The beneficial effects are that:

according to the utility model, the first filter element and the second filter element are respectively arranged in the two filter cartridges, and the flow direction switching valves are used for connecting with each other, so that the raw water is subjected to graded filtration, purified water obtained by filtering and purifying the first filter element can be discharged through the flow direction switching valves and used as household normal water for cooking, washing and the like, and the obtained purified water can be further filtered by using the second filter element to obtain clean water for direct drinking or infants.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in a cut-away configuration;

FIG. 3 is a schematic view of a filter cartridge according to the present utility model;

FIG. 4 is a schematic diagram of an exploded structure of a flow direction switching valve according to the present utility model;

FIG. 5 is a schematic view of a first cartridge of the present utility model;

fig. 6 is a schematic view of a second filter cartridge according to the present utility model.

In the figure:

1. a filter cartridge; 11. a cylinder; 12. a water collecting pipe; 13. a water inlet hole; 14. an outlet cover; 15. a baffle; 16. a water inlet cover; 17. a water inlet pipe;

2. a flow direction switching valve; 21. a spherical valve body; 22. a ball cavity; 23. a round hole; 24. a spherical valve core; 25. perforating; 26. a valve stem; 27. a handle; 28. a connecting pipe; 29. a limiting block;

3. a first filter element; 31. PP cotton ring; 32. a carbon rod; 33. a mounting hole;

4. a second filter element; 41. a water permeable support layer; 42. PP cotton sheets; 43. RO membrane; 44. activated carbon cotton.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-6, the preferred embodiment of the present utility model provides a multifunctional composite RO membrane element, which comprises two filter cartridges 1, wherein the filter cartridges 1 are formed by a cylinder 11, a water inlet cover 16 and a water outlet cover 14 are respectively and fixedly installed at the left end and the right end of the cylinder 11, a water inlet pipe 17 is fixedly installed at the left side of the water inlet cover 16 in a communicating manner, a water collecting pipe 12 is arranged in the cylinder 11, a plurality of water inlet holes 13 are arranged on the water collecting pipe 12, a baffle 15 is installed at the left side of the water collecting pipe 12, the water collecting pipe 12 is fixedly installed on the water outlet cover 14 in a sealing manner, and the right side of the water collecting pipe 12 penetrates out of the water outlet cover 14.

In this embodiment, a flow direction switching valve 2 is installed between the right end of the left water collecting pipe 12 and the right water inlet pipe 17, the flow direction switching valve 2 is composed of a spherical valve body 21 and a spherical valve core 24, a spherical cavity 22 is arranged in the spherical valve body 21, the spherical valve core 24 is installed in the spherical cavity 22 in a sealing and rotating manner, a connecting pipe 28 is fixedly connected to the left side, the right side and the lower side of the spherical cavity 22 respectively and fixedly connected with the right end of the water collecting pipe 12, the left connecting pipe 28 is fixedly connected with the right end of the water collecting pipe 12, the right connecting pipe 28 is fixedly connected with the right water inlet pipe 17, the right connecting pipe 28 is mutually communicated with the right water inlet pipe 17, and a round hole 23 is formed in the front side of the spherical cavity 22 and mutually communicated with each other.

In this embodiment, the front side of the spherical valve core 24 is fixedly provided with a valve rod 26, the valve rod 26 is installed in the round hole 23 in a sealing and rotating manner, the front end of the valve rod 26 is fixedly provided with a handle 27, the front side of the spherical valve body 21 is provided with a limiting block 29, the limiting block 29 and the handle 27 are mutually contacted, an inner right angle is arranged below the left side of the limiting block 29 and used for limiting the rotating range of the handle 27, the upper side, the left side and the right side of the spherical valve core 24 are provided with mutually communicated through holes 25, when the handle 27 is in a horizontal state, through connecting pipes 28 on the left side and the right side of the spherical valve core 22 and the left and right through holes 25 on the spherical valve core 24, the inner cavities of water collecting pipes 12 on the two sides are mutually communicated, when the handle 27 is rotated, the handle 27 is rotated vertically downwards, the through holes 25 on the left side of the spherical valve core 22 are rotated downwards to be communicated with the connecting pipes 28 on the left side, the inner cavities of the connecting pipes 28 on the right side are rotated downwards, the inner cavities of the connecting pipes 12 on the left side are mutually communicated with each other, the connecting pipes 28 on the lower side are mutually communicated with the outside, and purified water is used for flowing out, and meanwhile, the spherical valve core 24 can be rotated by nine degrees, namely, the left and right channels and the inner cavities of the filter cartridge can be mutually communicated with each other, and 1 are rotated, and the inner cavity can be mutually communicated.

In this embodiment, the first filter element 3 and the second filter element 4 are respectively installed in the two filter cartridges 1, the first filter element 3 is installed in the left filter cartridge 1, the first filter element 3 is composed of a PP cotton ring 31 and a carbon rod 32, an installation hole 33 is provided in the carbon rod 32, the water collecting pipe 12 on the left is slidably installed in the installation hole 33, the water inlet pipe 17 on the left is used for fixedly communicating with raw water in a high pressure state, the raw water is filtered by the carbon rod 32 and the PP cotton ring 31 to obtain purified water, and the purified water enters the water collecting pipe 12 through the water inlet hole 13 and can be used for cooking, and when the handle 27 is in a horizontal state, the purified water can continuously enter the water inlet pipe 17 on the right.

In this embodiment, the second filter element 4 is composed of a PP cotton sheet 42, two RO membrane sheets 43, activated carbon cotton 44 and four water permeable support layers 41, after the PP cotton sheet 42, the two RO membrane sheets 43, the activated carbon cotton 44 and the four water permeable support layers 41 are overlapped, the PP cotton sheet 42, the two RO membrane sheets 43, the activated carbon cotton 44 and the four water permeable support layers 41 are wound on the water collecting pipe 12 on the right side, and the order of overlapping the PP cotton sheet 42, the two RO membrane sheets 43, the activated carbon cotton 44 and the four water permeable support layers 41 from top to bottom is water permeable support layers 41, PP cotton sheet 42, water permeable support layers 41, RO membrane sheets 43, water permeable support layers 41, activated carbon cotton 44, water permeable support layers 41 and RO membrane sheets 43.

It should be noted that the PP cotton ring 31 and the PP cotton piece 42 are made of PP cotton, and can be used for filtering colloid impurities, micro-mud, rust, worm eggs, organic pollution mineral impurities and the like in water, and the activated carbon cotton 44 and the carbon rod 32 are made of activated carbon, and can be used for deodorizing water, removing heavy metals, chlorine and decoloring liquid in water.

In this embodiment, through installing the first filter core 3 and the second filter core 4 in two filter cartridges 1 respectively, and use flow direction switching valve 2 interconnect, can discharge the pure water that first filter core 3 filtration purification obtained through flow direction switching valve 2, as the family normal water, be used for cooking, washing one's face and rinsing one's mouth etc. water, also can be further use the pure water that obtains to filter with the second filter core 4, obtain clean water for direct drinking or for the baby use, when turning handle 27 is in the horizontality, through connecting pipe 28 and the spherical valve core 24 on the left and right sides of ball chamber 22 about, connect the collector pipe 12 inner chamber of both sides each other, and spherical valve core 24 blocks up the connecting pipe 28 of below, when turning handle 27, with handle 27 vertical decurrent, originally the perforated 25 of ball chamber 22 decurrent connects connecting pipe 28 of below, originally the collector pipe 12 inner chamber of left side and lower side 28 interconnect, connecting pipe 28 of lower side interconnect, be used for the outside world intercommunication, be used for the cross-flow to outside inner chamber and left and right sides of ball chamber 24 to cross outside world's intercommunication, can be in the reciprocal valve core 1, can be switched over with the cross-flow channel 2 simultaneously, the cross-flow channel is opened and the cross-flow channel is closed to the outside in the filter cartridge 1.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. The multifunctional composite RO membrane element is characterized by comprising:

the two filter cartridges (1), a first filter element (3) and a second filter element (4) are respectively arranged in the two filter cartridges (1), the first filter element (3) is used for preliminarily filtering raw water to obtain purified water, and the second filter element (4) is used for filtering the purified water I again;

the flow direction switching valve (2), flow direction switching valve (2) are connected between two cartridge filter (1), and reciprocating ninety degrees rotates handle (27) in flow direction switching valve (2) can with two cartridge filter (1) inner chamber intercommunication each other, perhaps with left side cartridge filter (1) inner chamber and external intercommunication each other.

2. A multifunctional composite RO membrane element according to claim 1 in which: the filter cartridge (1) is composed of a cylinder (11), wherein a water inlet cover (16) and a water outlet cover (14) are respectively arranged at the left end and the right end of the cylinder (11), and a water inlet pipe (17) is arranged at the left side of the water inlet cover (16) in a communicating manner.

3. A multifunctional composite RO membrane element according to claim 2 in which: a water collecting pipe (12) is arranged in the cylinder (11), a plurality of water inlet holes (13) are formed in the water collecting pipe (12), a baffle (15) is arranged on the left side of the water collecting pipe (12), and the water collecting pipe (12) penetrates through the water outlet cover (14).

4. A multifunctional composite RO membrane element according to claim 3 in which: the flow direction switching valve (2) is composed of a spherical valve body (21) and a spherical valve core (24), a spherical cavity (22) is arranged in the spherical valve body (21), the spherical valve core (24) is arranged in the spherical cavity (22), a connecting pipe (28) is respectively arranged at the left side, the right side and the lower side of the spherical cavity (22) in a communicating mode, and the connecting pipe (28) at the left side and the right end of the water collecting pipe (12) are mutually communicated.

5. The multi-functional composite RO membrane element of claim 4, wherein: the connecting pipe (28) on the right side and the water inlet pipe (17) on the right side are mutually communicated, and a round hole (23) which is mutually communicated is formed in the front side of the ball cavity (22).

6. The multi-functional composite RO membrane element of claim 5, wherein: the front side of the spherical valve core (24) is provided with a valve rod (26), the valve rod (26) is arranged in the round hole (23), and the front end of the valve rod (26) is provided with a handle (27).

7. The multi-functional composite RO membrane element of claim 6, wherein: the limiting block (29) is arranged on the front side of the spherical valve body (21), the limiting block (29) and the handle (27) are in contact with each other, and the upper side, the left side and the right side of the spherical valve core (24) are provided with mutually communicated through holes (25).

8. A multifunctional composite RO membrane element according to claim 3 in which: the first filter element (3) is composed of a PP cotton ring (31) and a carbon rod (32), a mounting hole (33) is formed in the carbon rod (32), and the water collecting pipe (12) on the left side is mounted in the mounting hole (33).

9. A multifunctional composite RO membrane element according to claim 3 in which: the second filter element (4) is composed of a PP cotton sheet (42), two RO (reverse osmosis) membranes (43), active carbon cotton (44) and four permeable support layers (41), wherein the PP cotton sheet (42), the two RO membranes (43), the active carbon cotton (44) and the four permeable support layers (41) are wound on the water collecting pipe (12) on the right side.