CN215756744U - Water purification device containing composite RO (reverse osmosis) membrane filter element wound on tubular filter element - Google Patents
Water purification device containing composite RO (reverse osmosis) membrane filter element wound on tubular filter element Download PDFInfo
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- CN215756744U CN215756744U CN202122249987.9U CN202122249987U CN215756744U CN 215756744 U CN215756744 U CN 215756744U CN 202122249987 U CN202122249987 U CN 202122249987U CN 215756744 U CN215756744 U CN 215756744U
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Abstract
The utility model discloses a water purifier containing a composite RO membrane filter element wound on a tubular filter element, which comprises a shell, a primary filter element, a front activated carbon filter element, a composite RO membrane filter element and a tubular filter element, wherein the primary filter element is wound on the tubular filter element; the primary filter element, the preposed activated carbon filter element and the composite RO membrane filter element which are sequentially sleeved from outside to inside are all arranged in the shell; the composite RO membrane filter element comprises a plurality of groups of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane; carbon fiber membrane and RO diaphragm from interior to exterior are convoluteed in the lateral surface of cast filter core, and the cast filter core sets up for cavity, and the front end and the external world of cast filter core are linked together, and the compound RO membrane filter core of adoption includes RO diaphragm and carbon fiber membrane, and accessible coiling technology production preparation has both had the dual function that the reverse osmosis of RO membrane purified and active carbon improved the water purification taste, has the advantage that low in manufacturing cost again, still has the efficient characteristics of water purification.
Description
Technical Field
The utility model relates to the technical field of water purification equipment, in particular to a water purification device with a composite RO membrane filter element wound on a tubular filter element.
Background
The multi-stage filtration water purifier containing the RO filtering membrane in the prior art has a complex structure, is externally connected with a water inlet and outlet pipe between filter elements at different levels, and has a large volume of an included postposition activated carbon filter element, large occupied space and low overall purification efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, the present invention provides a water purification apparatus with a composite RO membrane wound around a tubular filter element, which has the advantages of simple structure and high purification efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water purifier containing a composite RO membrane filter element wound on a tubular filter element comprises a shell, a primary filter element, a front activated carbon filter element, a composite RO membrane filter element and a tubular filter element;
the primary filter element, the preposed activated carbon filter element and the composite RO membrane filter element which are sequentially sleeved from outside to inside are all arranged in the shell;
the composite RO membrane filter element comprises a plurality of groups of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane;
the carbon fiber membrane with the RO diaphragm from inside to outside is convoluteed in the lateral surface of cast filter core, the cast filter core is hollow setting, the front end of cast filter core is linked together with the external world.
Specifically, the tubular filter element is a microporous ceramic sintered filter element, a microporous diatomite sintered filter element or a microporous molecular sieve sintered filter element.
Preferably, the outer side surface of the tubular filter element is a cylindrical surface.
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.
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 tubular filter element, and the wound carbon fiber membrane is located between the outer side of the tubular filter element 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, the flow guide cloth and the RO membrane are the same in shape and size.
In still other embodiments, the composite RO membrane layer further comprises a water barrier membrane;
the waterproof membrane is positioned on the outer side surface of the composite RO membrane layer and wraps the outer side surface of the flow guide cloth.
Furthermore, the device also comprises an activated carbon filter disc;
the lower end part of the tubular filter element is provided with a water outlet hole;
the activated carbon filter disc is arranged below the water outlet hole and covers the water outlet hole.
Further, the device also comprises a water separator;
the lower end of the shell is provided with a water inlet and outlet pipe, and the water separator is arranged in the water inlet and outlet pipe;
the water separator comprises an inner water dividing pipe and an outer water dividing pipe, and the inner water dividing pipe is positioned in the outer water dividing pipe;
the upper end of the inner water dividing pipe is communicated with the water outlet hole, the activated carbon filter disc is positioned between the rear end of the inner water dividing pipe and the water outlet hole, and the lower end of the inner water dividing pipe is communicated with the outside;
the outer water distribution pipe is sleeved on the outer side face of the water outlet pipe, gaps are arranged between the outer water distribution pipe and the outer side face of the water outlet pipe and between the outer water distribution pipe and the outer side face of the inner water distribution pipe, the upper end of the outer water distribution pipe is communicated with the initial filtering end of the composite RO membrane filter element through the gaps between the outer water distribution pipe and the outer side face of the water outlet pipe and between the outer water distribution pipe and the outer side face of the inner water distribution pipe, and the lower end of the outer water distribution pipe is communicated with the outside.
Furthermore, a gap is arranged between the outer side surface of the outer water distributing pipe and the inner side surface of the water inlet and outlet pipe, and the gap between the outer side surface of the outer water distributing pipe and the inner side surface of the water inlet and outlet pipe is communicated with the initial filtering end of the primary filter element.
The technical scheme of the utility model has the beneficial effects that: the water purifying device with the composite RO membrane filter element wound on the tubular filter element comprises the tubular filter element with a simple structure; the composite RO membrane filter element comprises an RO membrane and a carbon fiber membrane, can be produced and prepared by a winding process, has the dual functions of reverse osmosis purification of the RO membrane and improvement of the taste of purified water by activated carbon, has the advantages of low manufacturing cost, and has the characteristic of high water purification efficiency, the functions of four-stage filtration and purification are integrated, water pipes for water inlet and outlet between filter elements at different stages can be saved, the whole structure is simple, and the appearance is neat and clean.
Drawings
Fig. 1 is a schematic sectional view showing a water purification apparatus including a composite RO membrane cartridge wound around a tube-type cartridge according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the appearance of FIG. 1;
FIG. 3 is a schematic diagram of the construction of the composite RO membrane cartridge of FIG. 1;
FIG. 4 is a schematic diagram of an expanded state of one embodiment of the composite RO membrane cartridge of FIG. 3;
FIG. 5 is a schematic view of another embodiment of the composite RO membrane cartridge of FIG. 3 in an expanded state;
wherein: a housing 1; a primary filter element 2; a front activated carbon filter element 3; a composite RO membrane filter element 4; a tubular filter element 5; an activated carbon filter 6; a water separator 7; a water inlet and outlet pipe 11; a composite RO membrane layer 42; a carbon fiber film 421; an RO membrane 422; a screen 423; the flow guide cloth 424; a water-barrier film 425; a water outlet hole 51; an inner water dividing pipe 71 and an outer water dividing pipe 72.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying fig. 1-5.
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 water purifier containing a composite RO membrane filter element wound on a tubular filter element comprises a shell 1, a primary filter element 2, a preposed activated carbon filter element 3, a composite RO membrane filter element 4 and a tubular filter element 5;
the primary filter element 2, the preposed activated carbon filter element 3 and the composite RO membrane filter element 4 which are sequentially sleeved from outside to inside are all arranged in the shell 1;
the composite RO membrane cartridge 4 comprises a plurality of sets of composite RO membrane layers 42, wherein each composite RO membrane layer 42 comprises an RO membrane 422 and a carbon fiber membrane 421;
the carbon fiber membrane 421 and the RO membrane 422 are wound on the outer side surface of the tubular filter element 5 from inside to outside, the tubular filter element 5 is arranged in a hollow mode, and the front end of the tubular filter element 5 is communicated with the outside.
As shown in fig. 1 to 5, in the water purification apparatus including the composite RO membrane cartridge wound around the tubular cartridge according to the present invention, the water inlet and outlet pipes 11 are installed with their openings facing downward, the water to be purified is sequentially filtered by the primary cartridge 2, the pre-activated carbon cartridge 3, the composite RO membrane cartridge 4 and the tubular cartridge 5 in the housing 1, the purified water is discharged from the tubular cartridge 5 to the outside from the front end of the hollow tubular cartridge 5, and the purified water after quadruple filtration is delivered to the place of use through the external water pipe connected to the front end of the tubular cartridge 5; contain the purifier who convolutes in the compound RO membrane filter core of cast filter core, compound RO membrane filter core 4 of adoption includes RO diaphragm 422 and carbon fiber membrane 421, accessible coiling technology production preparation, the dual function that both had the reverse osmosis purification of RO membrane and active carbon improved the purified water taste has low in manufacturing cost's advantage again, still have the efficient characteristics of water purification, the function collection of purifying waste water is as an organic whole with level four filtration, the water pipe of the business turn over water between the filter core of can saving at different levels, overall structure is succinct, the outward appearance is neat clean.
The primary filter element 2 can be a ceramic filter element or a PP cotton filter element.
Specifically, the tubular filter element 5 is a microporous ceramic sintered filter element, a microporous diatomite sintered filter element or a microporous molecular sieve sintered filter element.
The microporous ceramic sintered filter element, the microporous diatomite sintered filter element or the microporous molecular sieve sintered filter element not only has quick filtering efficiency, but also has stronger surface hardness, and can powerfully support the winding of the RO membrane 422 and the carbon fiber membrane 421 so as to keep the surface of the filtering membrane stretched without folds.
The tubular filter element 5 can be a microporous ceramic sintered filter element, a microporous diatomite sintered filter element or a microporous molecular sieve sintered filter element, or a microporous activated carbon filter element, as long as the tubular filter element is of a hollow structure and can rapidly output purified water, and therefore, an integrally injection-molded central tube in the prior art can also be used.
Preferably, the outer side surface of the tubular filter element 5 is a cylindrical surface.
As shown in fig. 3-5, the tubular filter element 5 support structure with the cylindrical outer side surface is more stable and powerful, and can effectively prevent the RO membrane 422 and the carbon fiber membrane 421 wound around the tubular filter element 5 from shrinking and wrinkling or sinking inwards, so that the purification efficiency is higher.
Specifically, the composite RO membrane layer 42 further includes a flow guide cloth 424 and a separation net 423, the separation net 423 is spaced between two adjacent RO membranes 422, and the flow guide cloth 424 is wrapped on the outer side surfaces of the RO membranes 422 on the outer side of each group;
the shapes and the sizes of the RO membrane 422, the separation net 423 and the flow guide cloth 424 are the same.
As shown in fig. 4, the composite RO membrane layer 42 according to an embodiment of the present invention is in a state before being wound, and includes two sets of composite RO membrane layers 42, the dotted ellipse with an arrow indicates a clockwise rotation direction of the tubular filter element 5 during winding, the separation net 423 in the figure is separated between two adjacent RO membrane pieces 422, and the separation net 423 includes warps and wefts which are criss-crossed, so that a certain gap can be maintained between the two RO membrane pieces 422 to form a fluid passage, thereby improving flow distribution, increasing the flux of the RO membrane pieces 422, and enabling the RO membrane pieces 422 to have better reverse osmosis water purification efficiency.
The guide cloth 424 wraps the outer side of the RO membranes 422 outside each group, and both the upper and lower surfaces of the guide cloth 424 are provided with fabric grooves capable of guiding water flow, so that unpurified water can be guided to permeate into the RO membranes 422 along the grooves.
In some embodiments, the outer side of the carbon fiber membrane 421 is connected to the inner side of the flow guiding cloth 424 located at the outermost side, the carbon fiber membrane 421 is wound on the outer side of the tubular filter element 5, and the wound carbon fiber membrane 421 is located between the outer side of the tubular filter element 5 and the inner side of the RO membrane 422 located at the innermost side.
As shown in fig. 4, the carbon fiber membrane 421 is wound between the outer surface of the tubular filter element 5 and the inner surface of the innermost RO membrane 422, and has an effect equivalent to that of an activated carbon filter element, thereby improving the taste of the purified water filtered by the RO membrane 422 and improving the quality of the outputted purified water.
In other embodiments, the carbon fiber membrane 421 is located between the cloth 424 and the RO membrane 422; the carbon fiber membrane 421, the cloth 424 and the RO membrane 422 have the same shape and size.
As shown in fig. 5, another embodiment of the composite RO membrane cartridge 4 includes two sets of composite RO membrane layers 42, a dotted ellipse with an arrow indicates a clockwise rotation direction of the tubular cartridge 5 during winding, and a carbon fiber membrane 421 is added between the guiding cloth 424 and the RO membrane 422, and the carbon fiber membrane 421 has an effect equivalent to that of an activated carbon cartridge, so as to improve the taste of purified water filtered by the RO membrane 422 and improve the quality of outputted purified water.
In further embodiments, the composite RO membrane layer 42 further comprises a water barrier membrane 425;
the waterproof membrane 425 is located on the outer side of the composite RO membrane layer 42 and wraps the outer side of the flow guide cloth 424 on the outer side.
As shown in fig. 4 and 5, the water barrier 425 can protect the membrane cloth 424 inside the composite RO membrane layer 42 from scratches during installation or maintenance, and can prevent unpurified water from penetrating into the composite RO membrane layer 42 along the membrane cloth 424, thereby preventing purification failure of the composite RO membrane cartridge 4.
Further, the device also comprises an activated carbon filter sheet 6;
the lower end part of the tubular filter element 5 is provided with a water outlet hole 51;
the activated carbon filter 6 is installed below the water outlet hole 51 and covers the water outlet hole 51.
Set up activated carbon filter 6 in the below of apopore 51, not only can filter the process fine impurity of the purified water of compound RO membrane filter core 4 output can also promote the taste of the purified water of output.
Further, a water separator 7 is also included;
the lower end of the shell 1 is provided with a water inlet and outlet pipe 11, and the water separator 7 is arranged in the water inlet and outlet pipe 11;
the water separator 7 comprises an inner water dividing pipe 71 and an outer water dividing pipe 72, and the inner water dividing pipe 71 is positioned in the outer water dividing pipe 72;
the upper end of the inner water dividing pipe 71 is communicated with the water outlet hole 51, the activated carbon filter sheet 6 is positioned between the rear end of the inner water dividing pipe 71 and the water outlet hole 51, and the lower end of the inner water dividing pipe 71 is communicated with the outside;
the outer water distributing pipe 72 is sleeved on the outer side surface of the water outlet pipe 51, gaps are arranged between the outer water distributing pipe 72 and the outer side surface of the water outlet pipe 51 and between the outer water distributing pipe 72 and the outer side surface of the inner water distributing pipe 71, the upper end of the outer water distributing pipe 72 is communicated with the filtration starting end of the composite RO membrane filter element 4 through the gaps between the outer water distributing pipe 72 and the outer side surface of the water outlet pipe 51 and between the outer water distributing pipe 71 and the outer side surface of the inner water distributing pipe 71, and the lower end of the outer water distributing pipe 72 is communicated with the outside.
Through the water separator 7, not only purified water produced by the filtering end of the composite RO membrane filter element 4 can be output outwards through the inner water dividing pipe 71, but also waste water remained at the filtering end of the composite RO membrane filter element 4 can be output outwards through a gap between the outer water dividing pipe 72 and the outer side surface of the water outlet pipe 51 and the outer side surface of the inner water dividing pipe 71, and the waste water is not penetrated mutually, so that the purified water can be effectively prevented from being polluted.
Further, a gap is arranged between the outer side surface of the outer water distributing pipe 72 and the inner side surface of the water inlet and outlet pipe 11, and the gap between the outer side surface of the outer water distributing pipe 72 and the inner side surface of the water inlet and outlet pipe 11 is communicated with the initial filtering end of the primary filter element 2.
The purified tap water can be output inwards through the gap between the outer side surface of the outer water distributing pipe 72 and the inner side surface of the water inlet and outlet pipe 11, and the pipeline for conveying the water outwards has a simple structure and is neat and attractive in appearance.
In summary, as shown in fig. 1 to 5, in the embodiment of the present invention, the water purification apparatus including the composite RO membrane cartridge wound around the tubular cartridge includes the tubular cartridge having a simple structure, the composite RO membrane cartridge 4 includes the RO membrane 422 and the carbon fiber membrane 421, and can be produced and prepared by a winding process, which not only has dual functions of reverse osmosis purification of the RO membrane and improvement of the mouth feel of purified water by activated carbon, but also has the advantage of low manufacturing cost, and also has the characteristic of high water purification efficiency, and integrates the functions of four-stage filtration and purification of water, thereby saving water pipes for water inlet and outlet between the cartridges at each stage, and the water purification apparatus has a simple overall structure and a neat and clean appearance.
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 water purifier containing a composite RO membrane filter element wound on a tubular filter element is characterized by comprising a shell, a primary filter element, a front activated carbon filter element, a composite RO membrane filter element and a tubular filter element;
the primary filter element, the preposed activated carbon filter element and the composite RO membrane filter element which are sequentially sleeved from outside to inside are all arranged in the shell;
the composite RO membrane filter element comprises a plurality of groups of composite RO membrane layers, and each composite RO membrane layer comprises an RO membrane and a carbon fiber membrane;
the carbon fiber membrane with the RO diaphragm from inside to outside is convoluteed in the lateral surface of cast filter core, the cast filter core is hollow setting, the front end of cast filter core is linked together with the external world.
2. The water purification apparatus of claim 1, wherein the tubular filter element is a microporous ceramic sintered filter element, a microporous diatomaceous earth sintered filter element or a microporous molecular sieve sintered filter element.
3. The water purification apparatus comprising a composite RO membrane cartridge wrapped around a tube-type cartridge according to claim 1, wherein the outer surface of the tube-type cartridge is a cylindrical surface.
4. The water purification device with the composite RO membrane filter element wound on the tube-type filter element as recited in claim 1, wherein the composite RO membrane layer further comprises a flow guide cloth and a separation net, the separation net is arranged between two adjacent RO membrane sheets, and the flow guide cloth is wrapped on the outer side surface of the RO membrane sheet outside each group;
the RO membrane, the separation net and the flow guide cloth are the same in shape and size.
5. The water purification apparatus including a composite RO membrane cartridge wound around a tube-type cartridge as set forth in claim 4, wherein the outer side of the carbon fiber membrane is connected to the inner side of the cloth guide located at the outermost side, the carbon fiber membrane is wound around the outer side of the tube-type cartridge, and the wound carbon fiber membrane is located between the outer side of the tube-type cartridge and the inner side of the RO membrane located at the innermost side.
6. The water purification apparatus comprising a composite RO membrane cartridge wound around a tube-type cartridge according to claim 4, wherein the carbon fiber membrane is positioned between the cloth and the RO membrane sheet; the carbon fiber membrane, the flow guide cloth and the RO membrane are the same in shape and size.
7. The water purification apparatus comprising a composite RO membrane cartridge wrapped around a tube-type cartridge according to claim 4, wherein the composite RO membrane layer further comprises a water-barrier membrane;
the waterproof membrane is positioned on the outer side surface of the composite RO membrane layer and wraps the outer side surface of the flow guide cloth.
8. The water purification apparatus comprising a composite RO membrane cartridge wound around a tube-type cartridge according to claim 3, further comprising an activated carbon filter sheet;
the lower end part of the tubular filter element is provided with a water outlet hole; the activated carbon filter disc is arranged below the water outlet hole and covers the water outlet hole.
9. The water purification apparatus comprising a composite RO membrane cartridge wrapped around a tube-type cartridge according to claim 8, further comprising a water separator;
the lower end of the shell is provided with a water inlet and outlet pipe, and the water separator is arranged in the water inlet and outlet pipe;
the water separator comprises an inner water dividing pipe and an outer water dividing pipe, and the inner water dividing pipe is positioned in the outer water dividing pipe;
the upper end of the inner water dividing pipe is communicated with the water outlet hole, the activated carbon filter disc is positioned between the rear end of the inner water dividing pipe and the water outlet hole, and the lower end of the inner water dividing pipe is communicated with the outside;
the outer water distribution pipe is sleeved on the outer side face of the water outlet pipe, gaps are arranged between the outer water distribution pipe and the outer side face of the water outlet pipe and between the outer water distribution pipe and the outer side face of the inner water distribution pipe, the upper end of the outer water distribution pipe is communicated with the initial filtering end of the composite RO membrane filter element through the gaps between the outer water distribution pipe and the outer side face of the water outlet pipe and between the outer water distribution pipe and the outer side face of the inner water distribution pipe, and the lower end of the outer water distribution pipe is communicated with the outside.
10. The water purification apparatus including a composite RO membrane cartridge wound around a tube-type cartridge according to claim 9, wherein a gap is provided between an outer side surface of the outer water distribution pipe and an inner side surface of the water inlet/outlet pipe, and the gap between the outer side surface of the outer water distribution pipe and the inner side surface of the water inlet/outlet pipe communicates with a filtration start end of the primary cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249987.9U CN215756744U (en) | 2021-09-16 | 2021-09-16 | Water purification device containing composite RO (reverse osmosis) membrane filter element wound on tubular filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249987.9U CN215756744U (en) | 2021-09-16 | 2021-09-16 | Water purification device containing composite RO (reverse osmosis) membrane filter element wound on tubular filter element |
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| Publication Number | Publication Date |
|---|---|
| CN215756744U true CN215756744U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122249987.9U Active CN215756744U (en) | 2021-09-16 | 2021-09-16 | Water purification device containing composite RO (reverse osmosis) membrane filter element wound on tubular filter element |
Country Status (1)
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| CN (1) | CN215756744U (en) |
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2021
- 2021-09-16 CN CN202122249987.9U patent/CN215756744U/en active Active
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