CN209778391U - Modular RO membrane filter core and filter flask thereof - Google Patents
Modular RO membrane filter core and filter flask thereof Download PDFInfo
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- CN209778391U CN209778391U CN201822108575.1U CN201822108575U CN209778391U CN 209778391 U CN209778391 U CN 209778391U CN 201822108575 U CN201822108575 U CN 201822108575U CN 209778391 U CN209778391 U CN 209778391U
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Abstract
The utility model relates to the field of water purification, and discloses a combined RO membrane filter element and a filter flask thereof, which comprise a first filter element (10) and a second filter element (11); still include connecting piece (12), connecting piece (12) are including connecting pipe (121) and retaining ring (122), retaining ring (122) encircle to be fixed on connecting pipe (121) outer circumference lateral wall, be equipped with through-hole (1221) that supply dense water to pass through on retaining ring (122), the one end and the first filter core (10) of connecting pipe (121) are connected, the other end and the second filter core (11) of connecting pipe (121) are connected, first filter core (10), form annular gap (100) between second filter core (11) and retaining ring (122) three, it has glue layer (200) to coat in annular gap (100). The RO membrane in this filter core surface velocity of flow is fast, has increased the life-span of singly propping up the RO membrane life-span, has increased the circulation of singly propping up the RO membrane, has increased the rate of recovery of water purification.
Description
Technical Field
The utility model relates to a water purification field especially relates to a modular RO membrane filter core and filter flask thereof.
Background
Traditional RO membrane element mainly comprises pure water diversion net, reverse osmosis diaphragm, the water inflow diversion net, center tube, water diversion rubber ring, and the theory of operation is: tap water enters from one end and exits from the other end, pure water enters the central pipe, and wastewater flows out through the tap water diversion net.
The side type RO roll membrane technology overcomes the problems, and can increase flux, prolong service life and improve recovery rate by changing the direction of a tap water flow channel, reducing the sectional area of the water flow channel and increasing flow speed.
The existing filter element also has a combination form, and comprises a first central tube and a second central tube, wherein the first central tube and the second central tube are directly clamped and connected, and then glue is applied to a seam between the first central tube and the second central tube, so that the uniformity cannot be controlled, and water of the first RO membrane cannot smoothly flow into the second RO membrane. There is also a prior art in which a regulating valve is connected between a first RO membrane and a second RO membrane, and there is also coating unevenness between the RO membranes and the regulating valve, for example, application publication No.: CN 108355495 a, patent name: an RO membrane cartridge having a regulator valve.
Disclosure of Invention
The utility model provides a modular RO membrane filter core and filter flask thereof to the inhomogeneous shortcoming of combination formula junction coating among the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
A combined RO membrane filter element comprises a first filter element and a second filter element; still include the connecting piece, the connecting piece includes connecting pipe and retaining ring, and the retaining ring encircles and fixes on the outer circumference lateral wall of connecting pipe, is equipped with the through-hole that supplies dense water to pass through on the retaining ring, and the one end and the first filter core of connecting pipe are connected, and the other end and the second filter core of connecting pipe are connected, form annular gap between first filter core, second filter core and the retaining ring three, and the coating has the glue layer in the annular gap. The utility model discloses connect through the connecting piece between first filter core and the second filter core, first filter core and second filter core junction can form annular gap, annular gap's bottom surface is the outer circumference lateral wall of retaining ring, the outer circumference lateral wall of retaining ring is as spacing face, when people carry out glue coating to annular gap, the retaining ring blocks the glue flow direction, make glue can not inside infiltration again, thereby the raw water of having guaranteed first filter core can flow and filter once more in the second filter core, the filterable passageway has been prolonged, make the better of this filter core filter effect.
Preferably, the retainer ring is circular in shape, the through holes in the retainer ring are fan-shaped, and the number of the through holes is at least two. The shape of the retainer ring is fully utilized, so that the raw water in the first filter element can rapidly flow into the second filter element.
Preferably, the first filter element comprises a first central tube, the second filter element comprises a second central tube, one end of the connecting tube extends into the first central tube and is communicated with the first central tube, and the other end of the connecting tube extends into the second central tube and is communicated with the second central tube. The first central pipe and the second central pipe are connected through the connecting piece, so that the first central pipe and the second central pipe are firmly connected and cannot be easily loosened.
Preferably, the first filter element further comprises a plurality of first RO membranes, the second filter element further comprises a plurality of second RO membranes, the back edges of two adjacent first RO membranes are bonded to form a first purified water bag with an opening facing the first central tube, and the back edges of two adjacent second RO membranes are bonded to form a second purified water bag with an opening facing the second central tube. The first water purifying bag and the second water purifying bag are used for containing purified water filtered by the RO membrane, the purified water of the first water purifying bag flows into the first central pipe, and the purified water of the second water purifying bag flows into the second central pipe.
Preferably, the upper edge and the lower edge of the front face of the first RO membrane are bonded to form a first raw water bag with an opening deviating from the first central tube, the lower end of the first raw water bag is provided with a first through hole, the upper edge and the lower edge of the front face of the second RO membrane are bonded to form a second raw water bag with an opening deviating from the second central tube, the upper end of the second raw water bag is provided with a second through hole, and the first through hole is communicated with the second through hole when the first filter element and the second filter element are spliced. First raw water bag and second raw water bag intercommunication to make raw water distance extension when passing through, thereby make the effect of raw water purification better, the same raw water that originally goes out of filter core can be more.
Preferably, the first RO membrane is wound around the first central tube with its upper end surface coated with a top size coat, and the second RO membrane is wound around the second central tube with its lower end surface coated with a bottom size coat. Raw water enters from the circumferential side wall after the first RO membrane is wound, and water exits from the circumferential side wall after the second RO membrane is wound, so that the surface flow velocity of the membranes is improved.
Preferably, a water diversion ring is arranged at the joint of the first filter element and the second filter element.
The utility model provides a filter flask, still includes the bottle, and the filter flask includes the RO membrane filter core, and the RO membrane filter core is installed in the bottle.
preferably, a water distribution ring is arranged at the joint of the first filter element and the second filter element, and the outer end of the water distribution ring is hermetically connected with the inner wall of the bottle body and divides the inner cavity of the bottle body into two cavities.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
the utility model discloses connect through the connecting piece between first filter core and the second filter core, first filter core and second filter core junction can form annular gap, annular gap's bottom surface is the outer circumference lateral wall of retaining ring, the outer circumference lateral wall of retaining ring is as spacing face, when people carry out glue coating to annular gap, the retaining ring blocks the glue flow direction, make glue can not inside infiltration again, thereby the raw water of having guaranteed first filter core can flow and filter once more in the second filter core, the filterable passageway has been prolonged, make the better of this filter core filter effect. The filter element RO membrane has fast surface flow velocity, prolonged service life of single RO membrane, increased circulation of single RO membrane and increased recovery rate of purified water.
Drawings
Fig. 1 is an explosion structure diagram of the filter element of the present invention.
Fig. 2 is a schematic view of the combined structure of the filter element of the present invention.
Fig. 3 is a schematic view of the combined structure of the middle filter element without the water dividing ring.
Fig. 4 is a schematic sectional view of the filter element of the present invention.
Fig. 5 is a sectional structural view of the connector of fig. 1.
Fig. 6 is a schematic top view of the connector of fig. 1.
Fig. 7 is a schematic flow diagram of the reverse side purified water of the first RO membrane and the second RO membrane of fig. 1.
Fig. 8 is a schematic front raw water flow direction view of the first RO membrane and the second RO membrane in fig. 1.
Fig. 9 is a schematic view of an expanded structure of the first RO membrane in fig. 1.
Fig. 10 is a schematic view of an expanded structure of the second RO membrane in fig. 1.
Fig. 11 is a schematic structural view of the middle filter flask of the present invention.
The names of the parts indicated by the numerical references in the above figures are as follows: 10-first filter element, 11-second filter element, 12-connecting piece, 13-water diversion circle, 14-bottle, 15-first raw water diversion net, 16-first purified water diversion net, 17-second raw water diversion net, 18-second purified water diversion net, 100-annular gap, 101-first center tube, 102-first RO membrane, 111-second center tube, 112-second RO membrane, 121-connecting tube, 122-retaining ring, 200-glue layer, 1021-first water purification bag, 1022-first raw water bag, 1023-first through opening, 1024-glue coating, 1121-second water purification bag, 1122-second raw water bag, 1123-second through opening, 1124-lower glue coating, 1221-through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-11 and examples.
Example 1
A modular RO membrane cartridge, as shown in fig. 1, comprises a first cartridge 10 and a second cartridge 11; the filter element is characterized by further comprising a connecting piece 12, the connecting piece 12 is made of PE materials, the connecting piece 12 comprises a connecting pipe 121 and a retainer ring 122, as shown in figures 5-6, the connecting pipe 121 is a hollow pipe, the connecting pipe 121 and the retainer ring 122 are integrated, the retainer ring 122 is fixed on the outer circumferential side wall of the connecting pipe 121 in a surrounding mode, a through hole 1221 for passing concentrated water is formed in the retainer ring 122, one end of the connecting pipe 121 is connected with the first filter element 10, and the other end of the connecting pipe 121 is connected with the second filter. As shown in fig. 3 to 4, an annular gap 100 is formed among the first filter element 10, the second filter element 11 and the retainer ring 122, and a glue layer 200 is coated in the annular gap 100.
The outer shape of the retainer ring 122 is circular, the shape of the through holes 1221 on the retainer ring 122 is fan-shaped, the number of the through holes 1221 is at least two, the number of the through holes 1221 is four, and the four through holes 1221 are uniformly distributed on the retainer ring 122.
The first filter element 10 comprises a first center tube 101, the second filter element 11 comprises a second center tube 111, a plurality of diversion holes are formed in the outer circumferential side walls of the first center tube 101 and the second center tube 111, purified water flows into the center tubes through the diversion holes, one end of a connecting tube 121 extends into the first center tube 101 and is communicated with the first center tube 101, the other end of the connecting tube 121 extends into the second center tube 111 and is communicated with the second center tube 111, glue is coated on the connecting tube 121, the first center tube 101 is connected with the connecting tube 121 in a gluing and sealing mode, and the second center tube 111 is connected with the connecting tube 121 in a gluing and sealing mode.
The first filter element 10 further includes a plurality of first RO membranes 102, the second filter element 11 further includes a plurality of second RO membranes 112, the back edges of two adjacent first RO membranes 102 are bonded to form a first purified water bag 1021 with an opening facing the first center tube 101, and the back edges of two adjacent second RO membranes 112 are bonded to form a second purified water bag 1121 with an opening facing the second center tube 111. After the first RO membrane 102 is wound on the first central tube 101, the adhesive tape with holes is wrapped outside the first RO membrane 102, after the second RO membrane 112 is wound on the second central tube 111, the adhesive tape with holes is wrapped outside the second RO membrane 112, and when the filter element filters, raw water flows in from the adhesive tape holes on the first RO membrane 102, passes through the second RO membrane 112, and finally flows out from the adhesive tape holes on the second RO membrane 112.
As shown in fig. 7 to 10, the upper and lower edges of the front surface of the first RO membrane 102 are bonded to form a first raw water bag 1022 having an opening away from the first center tube 101, the lower end of the first raw water bag 1022 is provided with a first through hole 1023, the upper and lower edges of the front surface of the second RO membrane 112 are bonded to form a second raw water bag 1122 having an opening away from the second center tube 111, the upper end of the second raw water bag 1122 is provided with a second through hole 1123, and when the first filter element 10 and the second filter element 11 are spliced, the first through hole 1023 is communicated with the second through hole 1123. A first raw water guide net 15 is installed in the first raw water bag 1022, raw water flows in the first raw water bag 1022 along the first raw water guide net 15, the raw water is filtered and purified through the first RO membrane 102, the purified water is purified water, the purified water flows into the first purified water bag 1021, a first purified water guide net 16 is installed in the first purified water bag 1021, and the purified water in the first purified water bag 1021 flows to the first central tube 101 through the first purified water guide net 16. The purified water from the first raw water bag 1022 flows into the second raw water bag 1122 through the first port 1023 and the second port 1123, the second raw water flow guiding net 17 is installed in the second raw water bag 1122, the raw water flows along the second raw water flow guiding net 17 to perform secondary purification in the second raw water bag 1122, the purified water flows into the second purified water bag 1121, the second purified water flow guiding net 18 is installed in the second purified water bag 1121, and the purified water in the second purified water bag 1121 flows toward the second central tube 111 along the second purified water flow guiding net 18.
The first RO membrane 102 is wound around the first center tube 101 with its upper end coated with a top glue coating 1024 and the second RO membrane 112 is wound around the second center tube 111 with its lower end coated with a bottom glue coating 1124. When the filter element is used for filtering, raw water can only flow in from the circumferential side surface of the first RO membrane, and concentrated water formed after the raw water is filtered flows out from the circumferential side surface of the second RO membrane.
A water diversion ring 13 is arranged at the joint of the first filter element 10 and the second filter element 11.
Example 2
Embodiment 2 has substantially the same features as embodiment 1, except that in embodiment 2, the connection pipe 121 and the first center pipe 101 are connected in a sealing manner by an O-ring, and the connection pipe 121 and the second center pipe 111 are also connected in a sealing manner by an O-ring.
Example 3
Embodiment 2 has substantially the same features as embodiment 1, except that embodiment 2 discloses a filter flask, which, as shown in fig. 11, further includes a flask body 14 including an RO membrane cartridge installed in the flask body 14.
A water distribution ring 13 is arranged at the joint of the first filter element 10 and the second filter element 11, as shown in fig. 2, the outer end of the water distribution ring 13 is hermetically connected with the inner wall of the bottle body 14 and divides the inner cavity of the bottle body 14 into two cavities. Raw water flows into the first filter element 10 from one cavity of the bottle body 14, the raw water is divided into two water paths in the first RO membrane 102, one path of the raw water forms clean water and flows out through the first central tube 101, the other path of the raw water forms concentrated water and flows into the second RO membrane for secondary filtration, and finally the concentrated water flows out through the second raw water path 1122 of the second RO membrane 102.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (9)
1. A combined RO membrane cartridge comprising a first cartridge (10) and a second cartridge (11); the method is characterized in that: still include connecting piece (12), connecting piece (12) are including connecting pipe (121) and retaining ring (122), retaining ring (122) encircle to be fixed on connecting pipe (121) outer circumference lateral wall, be equipped with through-hole (1221) that supply dense water to pass through on retaining ring (122), the one end and the first filter core (10) of connecting pipe (121) are connected, the other end and the second filter core (11) of connecting pipe (121) are connected, first filter core (10), form annular gap (100) between second filter core (11) and retaining ring (122) three, it has glue layer (200) to coat in annular gap (100).
2. A modular RO membrane cartridge according to claim 1 wherein: the retainer ring (122) is circular in shape, the through holes (1221) in the retainer ring (122) are fan-shaped, and the number of the through holes (1221) is at least two.
3. A modular RO membrane cartridge according to claim 1 wherein: the first filter element (10) comprises a first central tube (101), the second filter element (11) comprises a second central tube (111), one end of a connecting tube (121) extends into the first central tube (101) and is communicated with the first central tube, and the other end of the connecting tube (121) extends into the second central tube (111) and is communicated with the second central tube.
4. A modular RO membrane cartridge according to claim 3 wherein: the first filter element (10) further comprises a plurality of first RO membranes (102), the second filter element (11) further comprises a plurality of second RO membranes (112), the back edges of two adjacent first RO membranes (102) are bonded to form first purified water bags (1021) with openings facing the first central tube (101), and the back edges of two adjacent second RO membranes (112) are bonded to form second purified water bags (1121) with openings facing the second central tube (111).
5. A modular RO membrane cartridge according to claim 4, characterized in that: the edge bonding forms first raw water bag (1022) that the opening deviates from first center tube (101) about first RO membrane (102) is positive, the lower extreme of first raw water bag (1022) is equipped with first opening (1023), the edge bonding forms second raw water bag (1122) that the opening deviates from second center tube (111) about second RO membrane (112) is positive, the upper end of second raw water bag (1122) is equipped with second opening (1123), when first filter core (10) and second filter core (11) splice, first opening (1023) and second opening (1123) intercommunication.
6. A modular RO membrane cartridge according to claim 4, characterized in that: the first RO membrane (102) is wound on the first central tube (101) and coated with an upper glue coating (1024) on the upper end surface, and the second RO membrane (112) is wound on the second central tube (111) and coated with a lower glue coating (1124) on the lower end surface.
7. A modular RO membrane cartridge according to claim 1 wherein: a water diversion ring (13) is arranged at the joint of the first filter element (10) and the second filter element (11).
8. The utility model provides a filter flask, still includes bottle (14), its characterized in that: comprising a RO membrane cartridge according to any one of claims 1 to 7, which is mounted in the flask (14).
9. The filter bottle of claim 8, wherein: a water distribution ring (13) is arranged at the joint of the first filter element (10) and the second filter element (11), the outer end of the water distribution ring (13) is hermetically connected with the inner wall of the bottle body (14) and divides the inner cavity of the bottle body (14) into two cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822108575.1U CN209778391U (en) | 2018-12-14 | 2018-12-14 | Modular RO membrane filter core and filter flask thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822108575.1U CN209778391U (en) | 2018-12-14 | 2018-12-14 | Modular RO membrane filter core and filter flask thereof |
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| Publication Number | Publication Date |
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| CN209778391U true CN209778391U (en) | 2019-12-13 |
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| CN201822108575.1U Active CN209778391U (en) | 2018-12-14 | 2018-12-14 | Modular RO membrane filter core and filter flask thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873664A (en) * | 2021-02-05 | 2022-08-09 | 吴教善 | Water purifying filter |
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2018
- 2018-12-14 CN CN201822108575.1U patent/CN209778391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873664A (en) * | 2021-02-05 | 2022-08-09 | 吴教善 | Water purifying filter |
| CN114873664B (en) * | 2021-02-05 | 2023-12-19 | 吴教善 | Water purifying filter |
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