CN218786538U

CN218786538U - RO membrane filter

Info

Publication number: CN218786538U
Application number: CN202223158672.4U
Authority: CN
Inventors: 李伯良; 谢清宏
Original assignee: Guangdong Kanggexin Environmental Technology Co ltd
Current assignee: Guangdong Kanggexin Environmental Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-04
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a RO membrane filter, a filter element, which comprises an inner filter element and an outer filter element which are coaxial and are sleeved at intervals, wherein a cylindrical flow passage for connecting raw water is formed at the interval between the inner filter element and the outer filter element; the filter element comprises an upper end cover, a lower end cover and a connecting pipe for connecting the upper end cover and the lower end cover, wherein the upper end cover is provided with a first through hole for introducing raw water into a cylindrical flow passage, a chamber is formed between the inner side of the connecting pipe and the outer side of the outer filter element, the lower end cover is provided with a second through hole communicated with the chamber, and the lower end cover is provided with a wastewater channel communicated with the cylindrical flow passage; the center tube, the outer interior filter core that coats of center tube, center tube and cavity intercommunication simultaneously, the utility model discloses a raw water divide into radial outside and radial inside two branch roads, and the hydrone corresponds respectively and passes outer filter core and interior filter core, finally converges to the intraductal outflow of center, has improved the filter capacity of raw water, has solved current RO membrane element owing to only set up the RO membrane of cladding outside the center tube for RO membrane element filter capacity can not satisfy the problem of more filtration demand.

Description

RO membrane filter

Technical Field

The utility model relates to a water purification technology field especially relates to a RO membrane filter.

Background

Ordinary RO membrane element is to be formed by the RO diaphragm, the graticule mesh of intaking, the compound multilayer winding center tube that pure water conservancy diversion net stack constitutes, the center tube is put between folding RO diaphragm, the water inflow runner that constitutes between the internal surface of intaking graticule mesh position after the RO diaphragm is folding, the product water runner that constitutes between the surface of pure water conservancy diversion net position after the RO diaphragm is folding, ordinary RO membrane element is to bind the both sides terminal surface and the winding center tube pipe wall of RO diaphragm with glue, whole surface is wrapped up with the sticky tape and is sealed, add one deck sealing ring again.

However, the conventional RO membrane element is only provided with the RO membrane coated outside the central tube, so that the filtration capacity of the RO membrane element cannot meet the filtration requirement of a larger amount.

Therefore, it is necessary to provide an RO membrane filter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a RO membrane filter is used for solving current RO membrane element because only set up the RO membrane of cladding outside the center tube for RO membrane element filtration capacity can not satisfy the problem of the filtration demand of more volume.

The utility model provides a pair of RO membrane filter, include:

the filter element comprises an inner filter element and an outer filter element which are coaxial and are sleeved at intervals, and a cylindrical flow passage for accessing raw water is formed at the interval between the inner filter element and the outer filter element;

the filter comprises an upper end cover, a lower end cover and a connecting pipe for connecting the upper end cover and the lower end cover, wherein the inner filter element and the outer filter element are hermetically connected with the upper end cover and the lower end cover;

the central tube is covered with the inner filter element, and the central tube is communicated with the chamber.

Preferably, the top surface of upper end cover is provided with the raw water entry that is used for connecing into the raw water, and the below of upper end cover is provided with annular board one simultaneously, forms through annular board one and deposits the water cavity, through-hole one sets up on annular board one.

Preferably, a connecting ring which is connected with the central pipe in a sealing manner is arranged at the center of the upper end cover, and the connecting ring is provided with a transverse water inlet.

Preferably, the bottom of the lower end cover is provided with a pure water outlet for guiding out pure water, a second annular plate is arranged above the lower end cover, a pure water cavity for conducting a second through hole and the central pipe is formed through the second annular plate, and the second through hole is formed in the second annular plate.

Preferably, the inner filter element and the outer filter element are correspondingly and hermetically connected to the first annular plate and the second annular plate.

Preferably, the waste water channel is arranged on the second annular plate and the lower end cover.

Preferably, the inner filter element and the outer filter element respectively comprise a PP cotton filter element, an activated carbon filter element and an RO membrane filter element which are sequentially arranged from the water inlet side to the water outlet side.

Compared with the prior art, the utility model provides a pair of RO membrane filter has following beneficial effect:

the utility model discloses a filter core that the setting is constituteed by outer filter core and inner filter core, the center tube, the upper end cover, the lower extreme cover is with the connecting pipe of connecting upper end cover and lower extreme cover, and be formed with the cylindric runner between outer filter core and the inner filter core, make the raw water divide into radial outside and radial inside two branch roads, make the hydrone correspond respectively and pass outer filter core and inner filter core, finally flow to the intraductal outflow of center, the filter capacity of raw water has been improved, the current RO membrane element has been solved because only set up the RO membrane of cladding outside the center tube, make RO membrane element filter capacity can not satisfy the problem of more many filter demands.

Drawings

Fig. 1 is a schematic plan view of an RO membrane filter according to the present invention;

fig. 2 is a schematic view of a water flow structure of an RO membrane filter according to the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of a filter element of an RO membrane filter according to the present invention;

reference numbers in the figures: 1. a filter element; 101. an inner filter element; 102. an outer filter element; 103. a cylindrical flow passage; 2. an upper end cover; 3. a lower end cover; 4. a connecting pipe; 5. a first through hole; 6. a chamber; 7. a second through hole; 8. a waste water channel; 9. a raw water inlet; 10. a first annular plate; 11. a water storage cavity; 12. a connecting ring; 13. a water inlet; 14. a pure water outlet; 15. a second annular plate; 16. a pure water chamber; 17. a central tube.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

The present invention will be further explained with reference to the drawings and the embodiments.

In the present embodiment, as shown in fig. 1, an RO membrane filter includes a filter element 1, the filter element 1 is composed of an inner filter element 101 and an outer filter element 102 which are coaxially and sleeved at an interval, and a cylindrical flow channel 103 for receiving raw water is formed at the interval between the inner filter element 101 and the outer filter element 102;

more specifically, as shown in fig. 3, the inner filter element 101 and the outer filter element 102 each include a PP cotton filter element, an activated carbon filter element, and an RO membrane filter element, which are sequentially disposed from the water inlet side to the water outlet side, wherein the PP cotton filter element can filter macroscopic objects, large-grained silt, rust, impurities, red worms, etc., the activated carbon filter element can adsorb residual chlorine, organic compounds, pesticide residues, etc., and the RO membrane permeates water molecules to filter raw water to form pure water;

in the present embodiment, as shown in fig. 1, an upper end cap 2, a lower end cap 3 and a connecting pipe 4 for connecting the upper end cap 2 and the lower end cap 3, wherein a raw water inlet 9 for inputting raw water is provided on the top surface of the upper end cap 2, a first annular plate 10 is provided below the upper end cap 2, a water storage chamber 11 is formed by the first annular plate 10, a first through hole 5 is provided on the first annular plate 10, a connecting ring 12 hermetically connected to a central pipe 17 is provided at the center of the upper end cap 2, the connecting ring 12 is provided with a transverse water inlet 13, a pure water outlet 14 for leading out pure water is provided at the bottom of the lower end cap 3, a second annular plate 15 is provided above the lower end cap 3, a pure water chamber 16 is formed by the second annular plate 15, a second through hole 7 is provided on the second annular plate 15, and a wastewater channel 8 communicating with a cylindrical flow passage 103 is provided on the lower end cap 3, and the wastewater channel 8 is provided on the second annular plate 15 and the lower end cap 3;

in the present embodiment, as shown in fig. 1, the inner filter element 101 and the outer filter element 102 are hermetically connected with the upper end cover 2 and the lower end cover 3, and more specifically, the inner filter element 101 and the outer filter element 102 are hermetically connected with the first annular plate 10 and the second annular plate 15, respectively, the first through hole 5 of the first annular plate 10 is communicated with the cylindrical flow passage 103, and a chamber 6 is formed inside the connecting pipe 4 and outside the outer filter element 102, and the chamber 6 is communicated with the second through hole 7;

in this embodiment, as shown in fig. 1, the inner filter element 101 is coated outside the central tube 17, and the central tube 17 is communicated with the chamber 6, the central tube 17 is similar to the central tube 17 in the related art, a water hole for pure water to flow into the central tube 17 is formed in a tube wall, a blocking portion for separating the concentrated water from the pure water is formed in the central tube 17, detailed structures are not described herein again, and the water hole in the bottom layer is located below the inner filter element 101 and the outer filter element 102 and is communicated with the pure water chamber 16.

During operation, as shown in fig. 2, raw water enters the water storage cavity 11 from the upper end cap 2, then enters the cylindrical flow channel 103 through the first through hole 5, and the raw water in the cylindrical flow channel 103 simultaneously passes through the corresponding outer filter element 102 and inner filter element 101 along the radial direction outwards and inwards, wherein the outwards raw water is filtered to form pure water and then enters the cavity 6, then enters the pure water cavity 16 from the second through hole 7, and finally enters the central tube 17 from the water hole at the bottommost layer of the central tube 17; after the pure water is formed by filtering the inward raw water of another path, the water hole of the central tube 17 enters the central tube 17, and the water is converged with another path and flows out from the pure water outlet 14, so that the filtering capacity of the raw water is improved by the raw water subjected to the two-way filtering, the problem that the filtering capacity of the RO membrane element cannot meet the filtering requirement of more amount due to the fact that the existing RO membrane element is only provided with the RO membrane coated outside the central tube 17 is solved, and the raw water which cannot penetrate through the filter element 1 flows out from the waste water channel 8.

The utility model provides a pair of RO membrane filter's theory of operation as follows: the utility model discloses a filter core that the setting is constituteed by outer filter core 102 and interior filter core 101, center tube 17, upper end cover 2, lower end cover 3 and the connecting pipe 4 of connecting upper end cover 2 and lower end cover 3, and be formed with cylindric runner 103 between outer filter core 102 and the interior filter core 101, make the raw water divide into radial outside and radial inside two branch roads, make the hydrone correspond respectively and pass outer filter core 102 and interior filter core 101, finally flow in converging to center tube 17, the filter capacity of raw water has been improved, the current RO membrane element has been solved because only set up the RO membrane of cladding outside center tube 17, make RO membrane element filter capacity can not satisfy the problem of more filtration demand.

The above only does the embodiment of the present invention, not therefore limit the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification and the attached drawings do, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An RO membrane filter, comprising:

the filter element (1) comprises an inner filter element (101) and an outer filter element (102) which are coaxial and are sleeved at intervals, and a cylindrical flow passage (103) for connecting raw water is formed at the interval between the inner filter element (101) and the outer filter element (102);

the filter element comprises an upper end cover (2), a lower end cover (3) and a connecting pipe (4) for connecting the upper end cover (2) and the lower end cover (3), wherein an inner filter element (101) and an outer filter element (102) are hermetically connected with the upper end cover (2) and the lower end cover (3), the upper end cover (2) is provided with a through hole I (5) for introducing raw water into a cylindrical flow channel (103), a chamber (6) is formed between the inner side of the connecting pipe (4) and the outer side of the outer filter element (102), the lower end cover (3) is provided with a through hole II (7) communicated with the chamber (6), and the lower end cover (3) is provided with a wastewater channel (8) communicated with the cylindrical flow channel (103);

the central tube (17), outer cladding inner filter core (101) of central tube (17), central tube (17) and cavity (6) intercommunication simultaneously.

2. An RO membrane filter according to claim 1, characterized in that the top surface of the upper end cap (2) is provided with a raw water inlet (9) for receiving raw water, while the lower side of the upper end cap (2) is provided with a first annular plate (10), a water storage chamber (11) is formed by the first annular plate (10), and the first through-hole (5) is provided on the first annular plate (10).

3. A RO membrane filter according to claim 2 characterized in that the upper end cap (2) is provided with a connection ring (12) at its center, which is sealingly connected to a central tube (17), and the connection ring (12) is provided with a transverse water inlet (13).

4. An RO membrane filter according to claim 3, characterized in that the bottom of the lower end cap (3) is provided with a pure water outlet (14) for discharging pure water, and an annular plate two (15) is provided above the lower end cap (3), and a pure water chamber (16) for conducting the through hole two (7) and the center tube (17) is formed by the annular plate two (15), and the through hole two (7) is provided on the annular plate two (15).

5. An RO membrane filter according to claim 4, characterized in that the inner (101) and outer (102) filter elements are sealingly connected to the first (10) and second (15) annular plates, respectively.

6. A RO membrane filter according to claim 5, characterized in that the reject water channel (8) is provided on the second annular plate (15) and the lower end cap (3).

7. A RO membrane filter according to claim 6, characterized in that the inner filter element (101) and the outer filter element (102) each comprise a PP cotton filter element, an activated carbon filter element and a RO membrane filter element, which are arranged in sequence from the water inlet side to the water outlet side.