CN215592681U - Composite RO (reverse osmosis) membrane filter element using water outlet support - Google Patents
Composite RO (reverse osmosis) membrane filter element using water outlet support Download PDFInfo
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- CN215592681U CN215592681U CN202122248171.4U CN202122248171U CN215592681U CN 215592681 U CN215592681 U CN 215592681U CN 202122248171 U CN202122248171 U CN 202122248171U CN 215592681 U CN215592681 U CN 215592681U
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Abstract
The utility model discloses a composite RO membrane filter element using a water outlet support, which comprises a water outlet support and a composite RO membrane layer combination; the composite RO membrane layer combination comprises at least one group of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane; the water outlet support comprises a water outlet pipe, a rear seat and a support; the bracket comprises a plurality of supporting sheets, the inner side edges of the supporting sheets are mutually connected, and a gap communicated with the water outlet pipe is arranged between two adjacent supporting sheets; RO diaphragm with the carbon fiber membrane roll up in go out the lateral surface of water support to cover adjacent two clearance between the backing sheet integrates the reverse osmosis filtration of RO membrane and the active carbon purification function of carbon fiber membrane in an organic whole, compact structure, occupation space is little, and water purification efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of water purification equipment, in particular to a composite RO membrane filter element using a water outlet support.
Background
The RO membrane filter core of prior art to central tube tail supports the RO membrane of convoluteing, still need increase the taste of rearmounted active carbon filter core in order to optimize the purification water at the purification water output of RO membrane filter core, and the space that occupies is bulky, and purification efficiency hangs down.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, the present invention provides a composite RO membrane filter cartridge using a water outlet bracket and integrating the functions of a post-activated carbon filter cartridge, and the composite RO membrane filter cartridge has the advantages of compact structure and high purification efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a composite RO membrane filter element using a water outlet support comprises a water outlet support and a composite RO membrane layer combination;
the composite RO membrane layer combination comprises at least one group of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane;
the water outlet support comprises a water outlet pipe, a rear seat and a support;
the support comprises a plurality of support sheets, the inner side edges of the support sheets are mutually connected, and a gap communicated with the water outlet pipe is arranged between every two adjacent support sheets;
the rear end of the water outlet pipe and the front end of the rear seat are respectively connected with the front ends and the rear ends of the supporting pieces;
the outer side surfaces of the supporting sheets, the outer side surface of the water outlet pipe and the outer side surface of the rear seat are positioned on the same cylindrical circumferential surface;
the RO membrane sheet and the carbon fiber membrane are wound on the outer side surface of the water outlet support and cover the gap between the two adjacent support sheets.
Furthermore, the composite RO membrane layer also comprises a flow guide cloth and a separation net, the separation net is arranged between two adjacent RO membranes at intervals, and the flow guide cloth is wrapped on the outer side surface of the RO membrane outside each group; the RO membrane, the separation net and the flow guide cloth are the same in shape and size.
Furthermore, the supporting sheet is also provided with a plurality of baffle sheets;
the two ends of the baffle plate extend to the two sides along the direction vertical to the supporting sheet;
the supporting sheet comprises a plurality of supporting sheets, wherein the plurality of supporting sheets are arranged on the outer side of the supporting sheet at intervals along the length direction of the supporting sheet, and the outer side surfaces of the plurality of supporting sheets are located on the same cylindrical circumferential surface.
Specifically, the inner sides of the blocking pieces extend inwards to be close to the side surfaces of two adjacent supporting pieces, and a drainage groove is formed in a gap between the inner side surface of each blocking piece and the side surface of each two adjacent supporting pieces;
the drainage channel is communicated with the gap between the two adjacent supporting sheets and the water outlet pipe.
In some embodiments, the outer side of the carbon fiber membrane is connected to the inner side of the flow guide cloth located at the outermost side, the carbon fiber membrane is wound around the outer side of the water outlet support, and the wound carbon fiber membrane is located between the outer side of the water outlet support and the inner side of the RO membrane located at the innermost side.
In other embodiments, the carbon fiber membrane is positioned between the flow guide cloth and the RO membrane sheet;
the carbon fiber membrane and the flow guide cloth are also the same in shape and size as the RO membrane.
Further, the composite RO membrane layer assembly also comprises a water-resisting membrane;
the waterproof membrane is connected with the outer side edge of the diversion cloth positioned on the outermost side, and the waterproof membrane is wound on and covers the outer side face of the diversion cloth positioned on the outermost side.
Furthermore, gaps between the membrane layers at the front end and the rear end of the composite RO membrane layer assembly are sealed through welding or bonding.
Furthermore, the water outlet pipe is provided with a water outlet hole and a plurality of water inlet holes;
the front end of the water outlet pipe is exposed in front of the composite RO membrane layer combination; the water outlet hole is positioned at the front end of the water outlet pipe; the water inlet holes are formed in the rear end of the water outlet pipe, are close to the front ends of the two adjacent supporting pieces and are communicated with the water outlet holes;
the water outlet hole is communicated with the gap between the two adjacent supporting pieces through the water inlet hole.
Preferably, the water outlet support is integrally formed.
The technical scheme of the utility model has the beneficial effects that: the composite RO membrane filter element using the water outlet support comprises a water outlet support and a composite RO membrane layer combination; the composite RO membrane layer combination comprises an RO membrane and a carbon fiber membrane, and integrates the reverse osmosis filtration function of the RO membrane and the active carbon purification function of the carbon fiber membrane into a whole, so that the structure is compact, the occupied space is small, and the water purification efficiency is higher; a water flow channel formed by a gap between two adjacent supporting sheets has a larger drainage space, and the outer side surfaces of the supporting sheets, the outer side surface of the water outlet pipe and the outer side surface of the rear seat are positioned on the same cylindrical circumferential surface; the support framework is more stable and powerful, and can effectively prevent the RO membrane and the carbon fiber membrane wound on the water outlet support from shrinking and wrinkling or inwards sinking.
Drawings
FIG. 1 is a schematic diagram of the external configuration of a composite RO membrane cartridge using a water outlet bracket according to an embodiment of the present invention;
FIG. 2 is a schematic view of the composite RO membrane cartridge of FIG. 1 in an expanded state;
FIG. 3 is a schematic structural view of the water outlet bracket of FIG. 1;
FIG. 4 is a rear view of the structure of FIG. 3;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;
fig. 7 is a schematic view of a composite RO membrane cartridge according to another embodiment in an expanded state;
wherein: a water outlet bracket 1; a composite RO membrane layer combination 2; a carbon fiber film 21; a composite RO membrane layer 22; a water-stop film 23; a water outlet pipe 11; a rear seat 12; a bracket 13; a support sheet 130; a stopper piece 131; a drain tank 132; a water outlet hole 111; (ii) a A water inlet 112; a flow guide cloth 221; RO membrane 222 and spacer mesh 223.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the attached fig. 1-7.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
A composite RO membrane filter element using a water outlet support comprises a water outlet support 1 and a composite RO membrane layer combination 2;
the composite RO membrane layer assembly 2 comprises at least one set of composite RO membrane layers 22, the composite RO membrane layers 22 comprising RO membrane sheets 222 and carbon fiber membranes 21;
the water outlet support 1 comprises a water outlet pipe 11, a rear seat 12 and a support 13;
the bracket 13 comprises a plurality of supporting sheets 130, the inner sides of the supporting sheets 130 are connected with each other, and a gap communicated with the water outlet pipe 11 is arranged between two adjacent supporting sheets 130;
the rear end of the water outlet pipe 11 and the front end of the rear seat 12 are respectively connected with the front ends and the rear ends of the plurality of supporting pieces 130;
the outer side surfaces of the supporting pieces 130, the outer side surface of the water outlet pipe 11 and the outer side surface of the rear seat 12 are located on the same cylindrical circumferential surface;
the RO membrane sheet 222 and the carbon fiber membrane 21 are wound on the outer side surface of the water outlet bracket 1, and cover the gap between the two adjacent support sheets 30.
As shown in fig. 1-3, the composite RO membrane cartridge using the effluent bracket of the present invention comprises an effluent bracket 1 and a composite RO membrane layer assembly 2; the composite RO membrane layer assembly 2 comprises an RO membrane 222 and a carbon fiber membrane 21, integrates the reverse osmosis filtration of the RO membrane and the activated carbon purification function of the carbon fiber membrane 21, and has compact structure, small occupied space and higher water purification efficiency; a water flow channel formed by a gap between two adjacent supporting sheets 130 has a larger drainage space, and the outer side surfaces of the supporting sheets 130, the outer side surface of the water outlet pipe 11 and the outer side surface of the rear seat 12 are positioned on the same cylindrical circumferential surface; the support structure is more stable and powerful, and can effectively prevent the RO membrane 222 wound on the water outlet support 1 from shrinking and wrinkling or sinking inwards.
Further, the composite RO membrane layer 22 further comprises a flow guide cloth 221 and a separation net 223, the separation net 223 is arranged between two adjacent RO membranes 222, and the flow guide cloth 221 is wrapped on the outer side surface of each group of RO membranes 222;
the shapes and the sizes of the RO membrane 222, the separation net 223 and the flow guide cloth 221 are the same.
As shown in fig. 2, the composite RO membrane layer assembly 2 according to an embodiment of the present invention is in a state before winding, and includes two sets of composite RO membrane layers 22, the dotted ellipse with an arrow indicates a clockwise rotation direction of the water outlet bracket 1 during winding, the separation net 223 in the figure is isolated between two adjacent RO membrane sheets 222, and the separation net 223 includes criss-cross warps and wefts, so that a certain gap can be maintained between two RO membrane sheets 222 to form a fluid channel, thereby improving flow distribution, increasing flux of the RO membrane sheets 222, and enabling the RO membrane sheets 222 to have better reverse osmosis water purification efficiency.
The guide cloth 221 is wrapped on the outer side surface of the RO membrane 222 outside each group, and both the upper surface and the lower surface of the guide cloth 221 are provided with fabric grooves capable of guiding water flow, so that unpurified water can be guided to permeate into the RO membrane 222 along the grooves.
Further, the supporting sheet 130 is further provided with a plurality of blocking sheets 131;
two ends of the blocking piece 131 extend towards two sides along a direction perpendicular to the supporting piece 130;
the plurality of blocking pieces 131 are arranged at intervals outside the supporting piece 130 along the length direction of the supporting piece 130, and the outer side surfaces of the plurality of blocking pieces 131 and the outer side surfaces of the plurality of supporting pieces 130 are located on the same cylindrical circumferential surface.
As shown in fig. 2 to 7, a plurality of blocking sheets 131 are disposed on the outer side of the supporting sheet 130, and the outer side surfaces of the blocking sheets 131 and the outer side surface of the supporting sheet 130 are located on the same virtual cylindrical surface, so that the contact area with the composite RO membrane layer assembly 2 can be increased, and the strength and the installation stability of the composite RO membrane layer assembly 2 can be improved.
Specifically, the inner side of the blocking sheet 131 extends inward to be close to the side surfaces of two adjacent supporting sheets 130, and a gap between the inner side surface of the blocking sheet 131 and the side surfaces of two adjacent supporting sheets 130 forms a drainage groove 132;
the drainage grooves 132 are communicated with the gaps between two adjacent supporting sheets 130 and the water outlet pipe 1.
As shown in fig. 3, the drainage groove 132 is provided to prevent the blocking sheet 131 from blocking the purified water from flowing between two adjacent supporting sheets 130, and the drainage groove 132, the gap between two adjacent supporting sheets 130 and the water outlet pipe 11 are communicated to form a water flow channel for outputting the purified water outwards.
In some embodiments, the outer side of the carbon fiber film 21 is connected to the inner side of the baffle cloth 221 located at the outermost side, the carbon fiber film 21 is wound on the outer side of the water outlet bracket 1, and the wound carbon fiber film 21 is located between the outer side of the water outlet bracket 1 and the inner side of the RO membrane 222 located at the innermost side.
As shown in fig. 2, the carbon fiber membrane 21 is wound between the outer side surface of the water outlet bracket 1 and the inner side surface of the innermost RO membrane 222, which has an effect equivalent to an activated carbon filter element, and thus the taste of the purified water filtered by the RO membrane 222 can be improved, and the quality of the outputted purified water can be improved.
In other embodiments, the carbon fiber membrane 21 is located between the cloth 221 and the RO membrane sheet 222;
the carbon fiber membrane 21, the cloth 221 and the RO membrane 222 have the same shape and size.
Another embodiment of the composite RO membrane layer 22 shown in fig. 7 comprises two sets of composite RO membrane layers 22, wherein a dotted ellipse with an arrow indicates a clockwise rotation direction of the water outlet bracket 1 during winding, and a carbon fiber membrane 21 is added between the flow guide cloth 221 and the RO membrane 222, and the carbon fiber membrane 21 has an effect equivalent to an activated carbon filter element, so as to improve the taste of purified water filtered by the RO membrane 222 and improve the quality of output purified water.
Further, the composite RO membrane layer assembly 2 further comprises a water-barrier membrane 23;
the waterproof film 23 is connected to the outer side edge of the flow guide cloth 221 located on the outermost side, and the waterproof film 23 is wound around and covers the outer side surface of the flow guide cloth 221 located on the outermost side.
As shown in fig. 2 and 7, the water-stop membrane 23 can protect the outer side edge of the flow guide cloth 221 located at the outer side from being scratched, and can prevent unpurified water from penetrating into the composite RO membrane layer assembly 2 along the flow guide cloth 221, thereby preventing the purification failure of the composite RO membrane cartridge.
Furthermore, gaps between the membrane layers at the front end and the rear end of the composite RO membrane layer assembly 2 are sealed by welding or bonding.
As shown in fig. 1, the gaps between the membrane layers at the front and rear ends are sealed, so that unpurified water can be prevented from permeating into the composite RO membrane module 2 from both ends, and the permeation path of the water permeating from both ends is short, so that the purification rate is insufficient.
Further, the water outlet pipe 11 is provided with a water outlet hole 111 and a plurality of water inlet holes 112;
the front end of the water outlet pipe 11 is exposed in front of the composite RO membrane layer assembly 2; the water outlet hole 111 is positioned at the front end of the water outlet pipe 11; the water inlet holes 112 are arranged at the rear end of the water outlet pipe 11, are arranged close to the front ends of the two adjacent supporting sheets 130, and are communicated with the water outlet holes 111;
the water outlet hole 111 is communicated with the gap between two adjacent support pieces 130 through the water inlet hole 112.
As shown in fig. 5 and 6, the purified water flows into the gap between the two adjacent supporting pieces 130, passes through the water inlet 112, and is output from the water outlet 111. The gap between each two adjacent supporting sheets 130 is provided with a water inlet 112, so that purified water is more smoothly output.
Preferably, the water outlet support 1 is integrally formed.
The integrally formed water outlet support 1 has better stress strength, and can ensure that the composite RO membrane layer assembly 2 wound on the water outlet support 1 is not curled and is not inwards sunken.
In summary, in the embodiments of the present invention shown in fig. 1 to 7, the composite RO membrane cartridge using the effluent bracket includes an effluent bracket 1 and a composite RO membrane layer assembly 2; the composite RO membrane layer assembly 2 comprises an RO membrane 222 and a carbon fiber membrane 21, integrates the reverse osmosis filtration of the RO membrane and the activated carbon purification function of the carbon fiber membrane 21, and has compact structure, small occupied space and higher water purification efficiency; a water flow channel formed by a gap between two adjacent supporting sheets 130 has a larger drainage space, and the outer side surfaces of the supporting sheets 130, the outer side surface of the water outlet pipe 11 and the outer side surface of the rear seat 12 are positioned on the same cylindrical circumferential surface; the support framework is more stable and powerful, and can effectively prevent the RO membrane sheet 222 and the carbon fiber membrane 21 wound on the water outlet support 1 from shrinking and wrinkling or inwards sinking.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A composite RO membrane filter element using a water outlet support is characterized by comprising a water outlet support and a composite RO membrane layer combination;
the composite RO membrane layer combination comprises at least one group of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane;
the water outlet support comprises a water outlet pipe, a rear seat and a support;
the support comprises a plurality of support sheets, the inner side edges of the support sheets are mutually connected, and a gap communicated with the water outlet pipe is arranged between every two adjacent support sheets;
the rear end of the water outlet pipe and the front end of the rear seat are respectively connected with the front ends and the rear ends of the supporting pieces;
the outer side surfaces of the supporting sheets, the outer side surface of the water outlet pipe and the outer side surface of the rear seat are positioned on the same cylindrical circumferential surface;
the RO membrane sheet and the carbon fiber membrane are wound on the outer side surface of the water outlet support and cover the gap between the two adjacent support sheets.
2. The composite RO membrane filter element using the effluent support of claim 1, wherein the composite RO membrane layer further comprises a flow guiding cloth and a separation net, the separation net is arranged between two adjacent RO membrane sheets, and the flow guiding cloth covers the outer side surfaces of the RO membrane sheets at the outer side of each group;
the RO membrane, the separation net and the flow guide cloth are the same in shape and size.
3. The composite RO membrane cartridge using a water outlet support according to claim 1 wherein the support sheet is further provided with a plurality of baffle sheets;
the two ends of the baffle plate extend to the two sides along the direction vertical to the supporting sheet;
the supporting sheet comprises a plurality of supporting sheets, wherein the plurality of supporting sheets are arranged on the outer side of the supporting sheet at intervals along the length direction of the supporting sheet, and the outer side surfaces of the plurality of supporting sheets are located on the same cylindrical circumferential surface.
4. A composite RO membrane cartridge utilizing a water outlet leg according to claim 3 wherein the inner sides of the baffle plates extend inwardly adjacent to the side surfaces of the adjacent two support sheets and the gap between the inner side surfaces of the baffle plates and the side surfaces of the adjacent two support sheets forms a drainage channel;
the drainage channel is communicated with the gap between the two adjacent supporting sheets and the water outlet pipe.
5. The composite RO membrane cartridge using the water outlet bracket as recited in claim 2, wherein an outer side of the carbon fiber membrane is connected to an inner side of the baffle cloth located at an outermost side, the carbon fiber membrane is wound around an outer side of the water outlet bracket, and the wound carbon fiber membrane is located between the outer side of the water outlet bracket and an inner side of the RO membrane located at an innermost side.
6. The composite RO membrane cartridge using a water stand of claim 2 wherein the carbon fiber membrane is positioned between the flow cloth and the RO membrane sheets;
the carbon fiber membrane and the flow guide cloth are also the same in shape and size as the RO membrane.
7. The composite RO membrane cartridge using a water outlet support of claim 2 wherein the composite RO membrane layer assembly further comprises a water barrier membrane;
the waterproof membrane is connected with the outer side edge of the diversion cloth positioned on the outermost side, and the waterproof membrane is wound on and covers the outer side face of the diversion cloth positioned on the outermost side.
8. The composite RO membrane cartridge using the effluent support according to claim 2 wherein the gap between each membrane layer at the front and rear ends of the composite RO membrane layer assembly is sealed by welding or bonding.
9. The composite RO membrane filter cartridge using the water outlet bracket as recited in claim 1, wherein the water outlet pipe is provided with a water outlet hole and a plurality of water inlet holes;
the front end of the water outlet pipe is exposed in front of the composite RO membrane layer combination; the water outlet hole is positioned at the front end of the water outlet pipe; the water inlet holes are formed in the rear end of the water outlet pipe, are close to the front ends of the two adjacent supporting pieces and are communicated with the water outlet holes;
the water outlet hole is communicated with the gap between the two adjacent supporting pieces through the water inlet hole.
10. The composite RO membrane cartridge using a water outlet bracket according to claim 1 wherein the water outlet bracket is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122248171.4U CN215592681U (en) | 2021-09-16 | 2021-09-16 | Composite RO (reverse osmosis) membrane filter element using water outlet support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122248171.4U CN215592681U (en) | 2021-09-16 | 2021-09-16 | Composite RO (reverse osmosis) membrane filter element using water outlet support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592681U true CN215592681U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122248171.4U Active CN215592681U (en) | 2021-09-16 | 2021-09-16 | Composite RO (reverse osmosis) membrane filter element using water outlet support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215592681U (en) |
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- 2021-09-16 CN CN202122248171.4U patent/CN215592681U/en active Active
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