CN206082192U - Reverse osmosis membrane technology and purifier - Google Patents
Reverse osmosis membrane technology and purifier Download PDFInfo
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- CN206082192U CN206082192U CN201621131863.3U CN201621131863U CN206082192U CN 206082192 U CN206082192 U CN 206082192U CN 201621131863 U CN201621131863 U CN 201621131863U CN 206082192 U CN206082192 U CN 206082192U
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- osmosis membrane
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Abstract
The utility model provides a reverse osmosis membrane technology and purifier. Reverse osmosis membrane technology includes center tube and the winding reverse osmosis membrane piece group on the center tube, and reverse osmosis membrane piece group leads flow net and reverse osmosis membrane piece including water inlet separating net, pure water, forms the pure water runner between the front intermediate layer of reverse osmosis membrane piece, forms water inlet channel between the reverse side intermediate layer of reverse osmosis membrane piece, and water inlet separating net is arranged in water inlet channel, and the pure water is led flow net and is arranged in the pure water runner, be provided with a plurality of dense water inlets on the center tube, the tip of center tube is as reverse osmosis membrane technology's dense water export, and reverse osmosis membrane technology's water inlet be two, and two water inlets are located reverse osmosis membrane technology's both ends face respectively, and reverse osmosis membrane technology's pure water enters the mouth and is located reverse osmosis membrane technology's periphery. Above -mentioned reverse osmosis membrane technology can effectively reduce reverse osmosis membrane technology's pollution speed, improves reverse osmosis membrane technology's life, improves system water efficiency simultaneously.
Description
Technical field
This utility model is related to water cleaning systems field, more particularly to a kind of reverse-osmosis membrane element and purifier.
Background technology
Fig. 1 is referred to, the operation principle of existing reverse-osmosis membrane element is flowed out using raw water water inlet direction and concentrated water
Direction is parallel with central canal, and the direction for producing water outflow is vertical with central canal, by diaphragm seal bag away from three sides of central canal, comes real
The separation of existing raw water, concentrated water and pure water.There is problems with the reverse-osmosis membrane element of this structure：(1) raw water runner is longer, and
There is transition region to concentrated water exit from import in the current in raw water runner, there are the extremely low region of flow rate of water flow, reverse osmosiss
There is severe contamination in membrane component end, so as to cause reverse-osmosis membrane element performance rapid decrease.(2) water inlet flow channel is little, pollutant
It is difficult to wash away, reverse-osmosis membrane element effectively can not be rinsed.(3) reverse-osmosis membrane element concentrated water end is tight relative to water inlet end concentration polarization
Weight, concentrated water end are seriously polluted.(4) pure water is collected by central canal, and resistance is larger, and the back pressure in pure water runner is larger, controlling the water circulation effect
Rate is relatively low.
Utility model content
Based on this, for the problems referred to above, it is necessary to provide a kind of reverse-osmosis membrane element and purifier, to improve reverse osmosiss
The contamination resistance of membrane component, while improving controlling the water circulation efficiency.
A kind of reverse-osmosis membrane element, including central canal and the reverse osmosiss diaphragm group being wrapped on the central canal,
The reverse osmosiss diaphragm group includes intake filter, pure water flow-guiding screen and reverse osmosiss diaphragm, the reverse osmosiss diaphragm
Pure water runner is formed between the interlayer of front, water inlet flow channel between the reverse side interlayer of the adjacent reverse osmosiss diaphragm, is formed, it is described enter
Water filter is located in the water inlet flow channel, and the pure water flow-guiding screen is located in the pure water runner；
Multiple concentrated water imports are provided with the central canal, the end of the central canal is used as the reverse-osmosis membrane element
Concentrated water is exported, and the water inlet of the reverse-osmosis membrane element is two, and two water inlets are located at the reverse osmosiss membrane element respectively
The both ends of the surface of part, the pure water entrance of the reverse-osmosis membrane element are located on the periphery of the reverse-osmosis membrane element.
Wherein in one embodiment, the water inlet flow channel has two first sides being oppositely arranged, first side
While being the water inlet flow channel side adjacent with the central canal, the water inlet is positioned at the first side near the center
One end of pipe.
Wherein in one embodiment, the length of the water inlet is the 1/2 to 1 of the length of the reverse osmosiss diaphragm, and
Endpoint value is not included.
Wherein in one embodiment, the first side is partially enclosed, and the untight part in the first side is formed
The water inlet.
Wherein in one embodiment, the pure water runner two side closings adjacent with the central canal are described pure
The water flow passage opposite side relative with the central canal forms the pure water entrance.
Wherein in one embodiment, concentrated water outlet is two, two concentrated water outlets be located at respectively it is described in
The both ends of heart pipe.
Wherein in one embodiment, current velocity controller on the central canal, is provided with, the current velocity controller is used
The flow velocity of concentrated water, current velocity controller described in concentrated water Jing in the central canal, from the concentrated water in the central canal is adjusted
Outlet is discharged.
Wherein in one embodiment, the current velocity controller is porous disc structure.
Wherein in one embodiment, also include for the reverse osmosiss diaphragm group is fixed on the film on the central canal
Piece protection device, and the diaphragm protection device is network structure.
A kind of purifier, including the reverse-osmosis membrane element described in any of the above-described.
Above-mentioned reverse-osmosis membrane element, raw water are intake from the both ends of the surface of reverse-osmosis membrane element, increase raw water inflow and
Water inlet flow velocity, can reduce the pollution speed of reverse-osmosis membrane element, improve the service life of reverse-osmosis membrane element, and raw water along
Parallel to central canal direction flow into reverse-osmosis membrane element in, after raw water filtration, concentrated water along perpendicular to raw water water inlet direction from
The concentrated water import of central canal is entered in central canal and is flowed out from the end of central canal, and the discharge of concentrated water is smoother so that reverse osmosiss
Membrane component is intrinsic pressure more stable, filters relatively fully, and controlling the water circulation efficiency is higher, periphery upper water-out of the pure water from reverse osmosis membrane original paper, pure
Water flow passage is perpendicular or parallel to the direction of raw water runner, and deviates from central canal direction so that pure water runner is little compared with short, back pressure, pure
Water discharge is smoother, is conducive to improving reverse-osmosis membrane element pure water flux and salt rejection rate, improves then controlling the water circulation efficiency.
Description of the drawings
Fig. 1 is the structural representation of reverse-osmosis membrane element in prior art；
Structural representations of the Fig. 2 for the reverse-osmosis membrane element of one embodiment of this utility model；
Fig. 3 is the applying structure schematic diagram of the reverse-osmosis membrane element shown in Fig. 2；
Fig. 4 is the structural representation after the reverse-osmosis membrane element shown in Fig. 2 launches；
Schematic diagrams of the Fig. 5 for the water flow inside direction of the reverse-osmosis membrane element of one embodiment of this utility model；
Structural representations of the Fig. 6 for the current velocity controller of one embodiment of this utility model.
Specific embodiment
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand this utility model.But this utility model can be implemented with being much different from alternate manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to this utility model intension, therefore this utility model does not receive following public affairs
The restriction being embodied as opened.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level
", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein
The purpose of description specific embodiment, it is not intended that in limiting this utility model.Term as used herein " and/or " bag
Include the arbitrary and all of combination of one or more related Listed Items.
Fig. 2 to Fig. 4 is referred to, one embodiment of this utility model provides a kind of reverse-osmosis membrane element, the reverse-osmosis membrane element
Including central canal 100 and it is wrapped in the reverse osmosiss diaphragm group 200 of the central canal 100.The reverse osmosiss diaphragm group 200 include into
Water filter 210, pure water flow-guiding screen 220 and reverse osmosiss diaphragm 230, form pure between the front interlayer of the reverse osmosiss diaphragm 230
Water flow passage 240, forms water inlet flow channel 250, the water inlet filter 210 between the reverse side interlayer of the adjacent reverse osmosiss diaphragm 230
In the water inlet flow channel 250, the pure water flow-guiding screen 220 is located in the pure water runner 240, on the central canal 100
Multiple concentrated water imports 101 are provided with, the end of the central canal 100 forms the concentrated water outlet 102 of the reverse-osmosis membrane element, institute
The water inlet 251 for stating reverse-osmosis membrane element is two, and two water inlets 251 are respectively positioned at the two of the reverse-osmosis membrane element
End face, the water inlet 251 of the reverse-osmosis membrane element are located at the end of the reverse-osmosis membrane element, the reverse-osmosis membrane element
Pure water entrance 241 is located on the periphery of the reverse-osmosis membrane element.
It should be noted that reverse osmosiss diaphragm 230 can be by a reverse osmosiss diaphragm by fold formed two panels or
It is that a folding forms multi-disc, or two reverse osmosiss diaphragms or multiple reverse osmosiss diaphragms.For example, a reverse osmosis membrane
The doubling of piece elder generation, then wind again on central canal 100, or central canal is placed in into a reverse osmosiss diaphragm middle, then doubling reverse osmosis
Permeable membrane piece, is finally wound again.
In the present embodiment, the reverse osmosiss diaphragm group 200 is one.Certainly, in other embodiments, it is also possible to according to
Need to design multiple reverse osmosiss diaphragm groups 200.
Above-mentioned reverse-osmosis membrane element, raw water are intake from the both ends of the surface of reverse-osmosis membrane element, increase raw water inflow and
Water inlet flow velocity, can reduce the pollution speed of reverse-osmosis membrane element, improve the service life of reverse-osmosis membrane element, and raw water along
Flow in reverse-osmosis membrane element, after raw water filtration parallel to the direction of central canal 100, concentrated water is along perpendicular to the direction of raw water water inlet
Enter in central canal 100 from the concentrated water import 101 of central canal 100 and flow out from the end of central canal 100, the discharge of concentrated water is relatively flowed
Freely so that reverse-osmosis membrane element is intrinsic pressure more stable, filter relatively fully, controlling the water circulation efficiency is higher, circle of the pure water from reverse osmosis membrane original paper
Side face upper water-out, pure water runner 240 is perpendicular or parallel to the direction of raw water runner 250, and deviates from central canal direction so that pure water
Runner is little compared with short, back pressure, and pure water discharge is smoother, is conducive to improving reverse-osmosis membrane element pure water flux and salt rejection rate, carries then
High controlling the water circulation efficiency.For example, the central canal 100 arranges some concentrated water imports 101, and for example, each concentrated water import 101
The gross area exceedes the 15% of the area of 100 periphery of the central canal；And for example, the gross area of each concentrated water import 101 exceedes
The 25% of the area of 100 periphery of the central canal, as such, it is possible to lift concentrated water into the efficiency of central canal 100.
Further, Fig. 3 is referred to, the water inlet flow channel 250 has two first sides 253 being oppositely arranged, described
First side 253 is the side adjacent with the central canal 100 of the water inlet flow channel 250, and the water inlet 251 is located at described the
One side 253 is near one end of the central canal 100.Further, length a of the water inlet 251 is the reverse osmosis membrane
The 1/2 to 1 of length b of piece, and do not include endpoint value, as such, it is possible to increase the inflow of reverse-osmosis membrane element, and then can increase
Big water inlet flow velocity, confuses reverse-osmosis membrane element surface turbulence state, mitigates concentration polarization phenomenon, the property of stable reverse-osmosis membrane element
Can, extend the life-span of reverse-osmosis membrane element.
Further, Fig. 3 is referred to, the first side 253 of the water inlet flow channel 250 is partially enclosed, described first
253 untight part of side forms the water inlet 251.For example, part is realized by part gluing in the first side 253
Closing, on first side 253, non-glue application portions form the water inlet 251.
Further, Fig. 3 is referred to, the concentrated water outlet 102 is two, and two concentrated water outlets 102 are located at respectively
The both ends of the central canal 100.That is, the both ends open of central canal 100, and surface offers multiple through holes, and through hole is formed
The concentrated water import 101, two openings form two concentrated water outlets 102.Specific in the present embodiment, set on central canal 100
The multiple concentrated water imports 101 put are equal in magnitude, and are uniformly distributed.
Further, Fig. 5 is referred to, current velocity controller 110, the flow speed control on the central canal 100, is provided with
Device 110 is used for the flow and flow velocity for adjusting concentrated water in the central canal 100, stream described in concentrated water Jing in the central canal 100
Velocity control device 110, discharges from concentrated water outlet 102.By current velocity controller 110 is arranged on central canal 100, can be with
The flow and flow velocity of control concentrated water, when concentrated water enters fashionable along concentrated water import 101 from water inlet flow channel, current velocity controller 110 passes through
Adjust the flow of concentrated water so that have pressure, rather than zero in central canal 100, also there is pressure same reverse-osmosis membrane element end, dense
Flow velocity of the water on reverse-osmosis membrane element surface slowly declines, and will not suddenly become zero, as such, it is possible to it is dense to improve reverse-osmosis membrane element
The eroding velocity of water end (W.E.), effectively reduces reverse-osmosis membrane element concentrated water end contamination phenomenon.
Further, the current velocity controller 110 is porous disc structure.Specifically, Fig. 6, flow speed control are referred to
Device 110 includes disk 111 and the multiple swivelling covers 112 being arranged on the disk 111, and the individual swivelling cover 112 is surrounded
The disk 111 is arranged, and with the center of the disk 111 as rotating shaft, the swivelling cover 112 can be appointed on the disk 111
Meaning is overlapped, and when multiple swivelling covers 112 are non-overlapping, the disk 111 can be completely covered, opening for current velocity controller is made
Open area is zero, i.e. concentrated water cannot be discharged, and for example, refers to Fig. 6, and the swivelling cover 112 is four, four swivelling covers 112
Size is essentially equal, and four swivelling covers 112 cause one of swivelling cover 112 to overlap to other swivelling covers 112 by rotation,
I.e. so that disk 111 exposes 1/4 aperture area and flows out for concentrated water.By the number and swivelling cover 112 that adjust swivelling cover 112
Between the area that overlaps, can adjust the aperture area of current velocity controller, and then adjust the concentrated water flow of concentrated water outlet, can replace
For existing waste water ratio function, structure is simpler, easy to use.When actually used, China's water quality the North and South is widely different,
Conventional reverse osmosis membrane component does not have universality, by arranging current velocity controller 110, can be according to raw water quality, required
The parameter regulation current velocity controller split shed area such as pure water water quality, time, and then concentrated water flow is adjusted, reverse osmosiss can be caused
Membrane component has universality.
Specific in the present embodiment, current velocity controller 110 is two, and two current velocity controllers 110 are respectively arranged at
At the opening at the two ends of central canal 100, i.e. concentrated water exit.
Further, the unit volume of the central canal 100 is the reverse-osmosis membrane element unit interval to enter the 3 of water volume
More than times, i.e. the cumulative volume of central canal 100 is water inlet in the unit time plus the summation of the concentrated water volume discharged in the unit interval
More than 3 times of amount, to ensure that it is unobstructed that concentrated water is discharged.
Further, the two side closings adjacent with the central canal 100 of the pure water runner 240, the stream of pure water
The opposite side relative with the central canal 100 of road 240 forms the pure water entrance 241.When reverse osmosiss diaphragm group 200 is wound on center
When on pipe 100, pure water entrance 241 is located on the periphery of the reverse-osmosis membrane element.For example, this utility model and its each correlation
The closing of embodiment indication is realizing by using the mode of gluing or sealing member.
Further, Fig. 5 is referred to, the reverse-osmosis membrane element also includes pure water collection device 300, the pure water collection
Device 300 is set on the periphery of the reverse osmosiss diaphragm group, and pure water flows into pure water collection device from the pure water entrance 241
300.For example, pure water collection device 300 is barrel-like structure, be wound with reverse osmosiss diaphragm group 200 central canal 100 be plugged in it is described
In pure water collection device 300.Further, pure water outlet 310, pure water collection device are additionally provided with pure water collection device 300
Pure water in 300 is discharged by pure water outlet 310.
Further, the reverse-osmosis membrane element also include for by the reverse osmosiss diaphragm group 200 be fixed on it is described in
Diaphragm protection device 400 on heart pipe 100, and the diaphragm protection device 400 is network structure, by arranging diaphragm protection dress
Put, reverse osmosiss diaphragm 230 can be more securely wrapped on central canal 100, prevent reverse osmosiss diaphragm 230 from scattering.For example, institute
It is net to state diaphragm protection device 400, and its material can be plastics, such as PE, PP, PA or PVC, or metal, it is such as stainless
Steel, the thickness of net is 10～20 microns.And for example, the diaphragm protection device 400 is the water inlet filter 210 away from central canal
Paste to be formed in 100 one end, i.e. paste to form set beyond the part Jing glue of reverse osmosiss diaphragm 230 in the end of water inlet filter 210
Tubular, reverse osmosiss diaphragm 230 is wrapped up wherein, and structure is relatively simple, be easy to production.
Above-mentioned reverse-osmosis membrane element, raw water are intake from the both ends of the surface of reverse-osmosis membrane element, along parallel to central canal 100
Direction is flowed in reverse-osmosis membrane element, after raw water filtration, concentrated water along perpendicular to the direction of raw water water inlet from the concentrated water of central canal 100
Import 101 is entered in central canal 100 and is flowed out from the end of central canal 100, and pure water runner 240 is perpendicular or parallel to raw water runner
250 direction, and deviate from 100 direction of central canal, the pollution speed of reverse-osmosis membrane element can be effectively reduced, reverse osmosis membrane is improved
The service life of element, while improving controlling the water circulation efficiency.
This utility model also provides a kind of purifier, and which includes the reverse-osmosis membrane element described in any of the above-described embodiment.
As purifier employs the technical scheme of above-mentioned reverse-osmosis membrane element, naturally, which has reverse-osmosis membrane element institute
Some beneficial effects.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are only to describe for ease of describing this utility model and simplifying, rather than indicate or infer indication
Device or element must have specific orientation, for specific azimuth configuration and operation, thus it is not intended that to this practicality newly
Type protects the restriction of content.
Each technical characteristic of embodiment described above arbitrarily can be combined, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, these belong to
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (10)
1. a kind of reverse-osmosis membrane element, it is characterised in that including central canal and the reverse osmosiss diaphragm being wrapped on the central canal
Group,
The reverse osmosiss diaphragm group includes intake filter, pure water flow-guiding screen and reverse osmosiss diaphragm, the front of the reverse osmosiss diaphragm
Pure water runner is formed between interlayer, water inlet flow channel, the water inlet filter position between the reverse side interlayer of the reverse osmosiss diaphragm, is formed
In the water inlet flow channel, the pure water flow-guiding screen is located in the pure water runner；
It is provided with multiple concentrated water imports on the central canal, the concentrated water of the end of the central canal as the reverse-osmosis membrane element
Outlet, the water inlet of the reverse-osmosis membrane element is two, and two water inlets are respectively positioned at the reverse-osmosis membrane element
Both ends of the surface, the pure water entrance of the reverse-osmosis membrane element are located on the periphery of the reverse-osmosis membrane element.
2. reverse-osmosis membrane element according to claim 1, it is characterised in that the water inlet flow channel is oppositely arranged with two
First side, the first side is the water inlet flow channel side adjacent with the central canal, and the water inlet is located at institute
First side is stated near one end of the central canal.
3. reverse-osmosis membrane element according to claim 2, it is characterised in that the length of the water inlet is the reverse osmosiss
The 1/2 to 1 of the length of diaphragm, and do not include endpoint value.
4. reverse-osmosis membrane element according to claim 2, it is characterised in that the first side is partially enclosed, described
The untight part in one side forms the water inlet.
5. reverse-osmosis membrane element according to claim 1, it is characterised in that the pure water runner is adjacent with the central canal
The closing of two sides, the pure water runner opposite side relative with the central canal form the pure water entrance.
6. reverse-osmosis membrane element according to claim 1, it is characterised in that the concentrated water outlet is two, described in two
Concentrated water outlet is respectively positioned at the both ends of the central canal.
7. reverse-osmosis membrane element according to claim 6, it is characterised in that flow speed control dress is provided with the central canal
Put, the current velocity controller is used for the flow velocity for adjusting concentrated water in the central canal, stream described in concentrated water Jing in the central canal
Velocity control device, discharges from concentrated water outlet.
8. reverse-osmosis membrane element according to claim 7, it is characterised in that the current velocity controller is porous disc knot
Structure.
9. reverse-osmosis membrane element according to claim 1, it is characterised in that also include for by the reverse osmosiss diaphragm group
The diaphragm protection device being fixed on the central canal, and the diaphragm protection device is network structure.
10. a kind of purifier, it is characterised in that including the reverse-osmosis membrane element any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131863.3U CN206082192U (en) | 2016-10-17 | 2016-10-17 | Reverse osmosis membrane technology and purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131863.3U CN206082192U (en) | 2016-10-17 | 2016-10-17 | Reverse osmosis membrane technology and purifier |
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| Publication Number | Publication Date |
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| CN206082192U true CN206082192U (en) | 2017-04-12 |
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ID=59976026
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621131863.3U Active CN206082192U (en) | 2016-10-17 | 2016-10-17 | Reverse osmosis membrane technology and purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474925A (en) * | 2016-10-17 | 2017-03-08 | 珠海格力电器股份有限公司 | Reverse-osmosis membrane element and purifier |
| CN107158954A (en) * | 2017-05-04 | 2017-09-15 | 广东韦博科技有限公司 | A kind of rolled membrane module |
-
2016
- 2016-10-17 CN CN201621131863.3U patent/CN206082192U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474925A (en) * | 2016-10-17 | 2017-03-08 | 珠海格力电器股份有限公司 | Reverse-osmosis membrane element and purifier |
| CN107158954A (en) * | 2017-05-04 | 2017-09-15 | 广东韦博科技有限公司 | A kind of rolled membrane module |
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