CN207430064U - A kind of porous graphene sea water desalination composite membrane and its desalination plant - Google Patents
A kind of porous graphene sea water desalination composite membrane and its desalination plant Download PDFInfo
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- CN207430064U CN207430064U CN201721245823.6U CN201721245823U CN207430064U CN 207430064 U CN207430064 U CN 207430064U CN 201721245823 U CN201721245823 U CN 201721245823U CN 207430064 U CN207430064 U CN 207430064U
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- porous graphene
- graphene
- composite membrane
- sea water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model is related to field of seawater desalination, disclose a kind of porous graphene sea water desalination composite membrane and its desalination plant.The porous graphene sea water desalination composite membrane includes shell, is equipped with filter layer and graphene sieve nest layer in the shell successively from top to bottom, and the graphene sieve nest layer is the porous graphene of 1 nanometer of hole size.For the utility model shell for fixing filter layer and graphene sieve nest layer, filter layer is finally reached sea water desalination purpose for the preliminary treatment to seawater, graphene sieve nest layer for filtering salt.The utility model is compared with traditional reverse osmosis technology, and without the pressure additional to seawater eroding, cost is lower, and structure is simpler, and filter efficiency higher.
Description
Technical field
The utility model is related to field of seawater desalination, more particularly, to a kind of porous graphene sea water desalination composite membrane
And its desalination plant.
Background technology
To solve the problems, such as freshwater resources growing lack, sight has been turned to sea water desalination, desalination technology warp by people
Effort after for many years achieves many progress, but up to the present, these technologies are superior to that cost is excessively high can not large-scale promotion
Using.
The most commonly used is reverse osmosis technology, operation principle is to use reverse osmosis membrane for seawater desalination at present（A kind of special film
Take the salt in filtering sea, since the aperture on these films is extremely fine and close（1000 times closeer than porous graphene）, it is necessary to very
Big pressure forces seawater through film, therefore, also needs to consume many resources in the notice to desalinize seawater.
Porous graphene refer on graphene sheet layer introduce size uniform hole, Massachusetts Institute of Technology's material science with
Engineering college associate professor Jeffree Groceman etc. is by accurately controlling the aperture of porous graphene and adding other thereto
The method of material changes the property of graphene aperture edge, can repel or attract hydrone.So this special stone
Black alkene leaves behind hydrone just as the same salt that can rapidly filter in seawater of sieve.The key of new process is very smart
Really control the size of graphene hole.Researcher claims, and optimal size is 1 nanometer, it is impossible to too greatly can not be too small, such as
The too big salt of fruit will not have the effect of filtering with hydrone together by sieve；It can not pass through if too small water molecule
These apertures.Computer simulation results show that the performance of this graphene sieve is very outstanding, and it is light can to quickly complete seawater
Change process.The raw material of graphene are cheap and are easily obtained, this makes the technology possess inherent advantage in cost.In addition, it
It is known most hard material again, it is more durable compared with current used reverse osmosis membrane.
The content of the invention
The technical problems to be solved in the utility model be for prior art reverse osmosis technology cost it is too high, provide it is a kind of into
This relatively low, simple in structure, faster porous graphene sea water desalination composite membrane of the rate of filtration.
The utility model also provides a kind of desalination plant equipped with the porous graphene sea water desalination composite membrane.
The purpose of this utility model is achieved by the following technical programs：
A kind of porous graphene sea water desalination composite membrane is provided, including shell, is equipped with successively from top to bottom in the shell
Filter layer and graphene sieve nest layer, the graphene sieve nest layer be 1 nanometer of hole size porous graphene, the porous graphite
Alkene is inclined roof construction.
For the utility model shell for fixing filter layer and graphene sieve nest layer, filter layer is used for the preliminary place to seawater
Reason, graphene sieve nest layer are finally reached sea water desalination purpose, prevent from blocking using inclined roof construction for filtering salt.
Preferably, the graphene sieve nest layer further includes supporting rack and support plate, and the support plate is removably attached to
On housing, support frame as described above fixes the porous graphene for being used to support inclined roof construction on the supporting plate, and the support plate is more
The lower section of hole graphene is hollow-core construction, remaining is solid construction.
Preferably, support frame as described above includes oblique ridge, column and positive ridge, and described oblique ridge one end is fixed on positive ridge, the other end
It fixes on the supporting plate.
Preferably, the positive ridge is equipped with more parallel oblique ridges.
Preferably, it is additionally provided with intercept layer on the filter layer.
Preferably, the intercept layer is intercept net, and the intercept net is using nylon wire, steel wire etc..
Preferably, the filter layer is activated carbon.
Preferably, the graphene sieve nest layer thickness is 1~5mm, and the upper surface of the porous graphene is additionally provided with fixation
Net.
Preferably, the mesh number of the intercept net is 60~100 mesh.
Preferably, it is additionally provided with connector on the outer wall of the shell.
The present embodiment also provides a kind of desalination plant equipped with above-mentioned porous graphene sea water desalination composite membrane.
Compared with prior art, the beneficial effects of the utility model：
The utility model is compared with traditional reverse osmosis technology, and without the pressure additional to seawater eroding, cost is lower, knot
Structure is simpler, and filter efficiency higher.
The utility model is compared with traditional reverse osmosis technology, at the same pressure, the rate of filtration of porous graphene
It wants fast hundreds times, under the same rate of filtration, then can save more multiple-energy-source, and hardness is high, durable.
The thickness of the preferred porous graphene of the utility model, using inclined roof construction, compared to horizontal structure, the structured filter
Effect is more preferable, can effectively prevent blocking.
The utility model uses multilayered structure, and seawater passes through intercept layer successively, by bulkrage interception outside, using
Fine material in filter layer adsorbing seawater, finally by graphene sieve nest layer desalination, so as to obtain fresh water.
Description of the drawings
Fig. 1 porous graphene sea water desalination structure of composite membrane schematic diagrames.
Fig. 2 inclined roof construction schematic diagrames.
Fig. 3 graphene sieve nest layer top views.
Fig. 4 supporting rack configuration diagrams.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by attached drawing.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of porous graphene sea water desalination composite membrane, including shell 1, in shell 1
Intercept layer 4, filter layer 2 and graphene sieve nest layer 3 are equipped with successively, and connector is additionally provided on the outer wall of shell 1；
Wherein intercept layer 4, filter layer 2 and graphene sieve nest layer 3 are horizontally fixed on shell 1, and intercept layer 4 is interception
Nylon wire, steel wire etc. specifically can be used in net, and the mesh number of intercept net is 60~100 mesh, is mainly used in filtering sea thin
The finely ground particle substances such as sand, filter layer 2 are activated carbon, and graphene sieve nest layer 3 is the porous graphene of 1 nanometer of the size of hole 34
31, thickness is 1~5mm, and in inclined roof construction, as shown in figs. 2 to 4, graphene sieve nest layer further includes supporting rack and support plate 32,
Support plate 32 is removably attached on housing, and the modes such as buckle, connector may be employed, and the present embodiment uses connector 35,
Supporting rack fixes the porous graphene 31 for being used to support inclined roof construction on the supporting plate, and support plate is under porous graphene 31
Side is hollow-core construction, remaining is solid construction, and supporting rack includes oblique ridge 36, column 33 and positive ridge 37, and 36 one end of oblique ridge is fixed on
On positive ridge 37, the other end is fixed in support plate 32, and positive ridge 37 is equipped with more parallel oblique ridges 36, is used to support more empty graphite
Alkene 31, column 33 are fixed on the both sides of supporting rack, and the side 38 on supporting rack both sides is enclosed construction, and the present embodiment is in order to reach more
Good effect, using 31 closed side 38 of porous graphene, naturally it is also possible to be replaced into more cheap material closing, not influence to take off
Salt effect；The inclined roof construction of the present embodiment compares horizontal positioned one layer of porous graphene more compact structure, filter area bigger,
And salt is all washed into the solid section of support plate 32 by the structure, can effectively prevent blocking, when repair, cleaning, is taken
Go out graphene sieve nest layer 3, only need reversely to be rinsed with water the solid construction of graphene sieve nest layer 3 and support plate 32.
The present embodiment, can be in the upper of porous graphene 31 in order to ensure stability of the porous graphene 31 on supporting rack
Surface layer overlay fixes net, is fixed on by fixed net in porous graphene 31 on supporting rack, and fixes net and be then fixed on branch
On fagging 32.
The utility model can coordinate conventional reverse osmosis desalination plant, and conventional reverse osmosis desalination device is usual
Including pressure instruction, the instruction of high pressure pump pressure, pure water, concentrated water before and after rolling composite membrane, fabric filter, centrifugal pump, filter
Flowmeter etc. after seawater is pumped by centrifugation by tentatively filtering, then by reverse osmosis membrane progress desalination, finally obtains drink
With water, but power of centrifugal pump is very great talent to can guarantee that seawater passes through reverse osmosis membrane during this.The utility model is more
Hole graphene sea water desalination composite membrane only need to replace reverse osmosis membrane as filter core or film（Rolling composite membrane）, pass through the company of shell
Fitting is connected fixation with other components, without specially designing corollary equipment, can run without too big pressure, greatly save
Cost, and it is simple in structure, be easily carried, install or easy to maintenance.
The present embodiment selects the thickness of porous graphene, using inclined roof construction, compared to horizontal structure, the structured filter area
Bigger, filter effect are more preferable；Salt is all washed into support plate 53 by the structure, can effectively prevent blocking, dismounting, cleaning side
Just.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.Made within the spirit and principle of the utility model
All any modification, equivalent and improvement etc., should be included within the protection of the utility model claims.
Claims (9)
1. a kind of porous graphene sea water desalination composite membrane, which is characterized in that including shell, in the shell from top to bottom successively
Equipped with filter layer and graphene sieve nest layer, the graphene sieve nest layer is the porous graphene of 1 nanometer of hole size, described porous
Graphene is inclined roof construction；The graphene sieve nest layer further includes supporting rack and support plate, and the support plate is removably solid
It is scheduled on housing, support frame as described above fixes the porous graphene for being used to support inclined roof construction on the supporting plate, the support plate
It is hollow-core construction in the lower section of porous graphene, remaining is solid construction.
2. porous graphene sea water desalination composite membrane according to claim 1, which is characterized in that support frame as described above includes oblique
Ridge, column and positive ridge, described oblique ridge one end are fixed on positive ridge, and the other end is fixed on the supporting plate.
3. porous graphene sea water desalination composite membrane according to claim 2, which is characterized in that the positive ridge is equipped with more
Parallel oblique ridge.
4. porous graphene sea water desalination composite membrane according to claim 1, which is characterized in that be additionally provided on the filter layer
Intercept layer.
5. porous graphene sea water desalination composite membrane according to claim 4, which is characterized in that the intercept layer is interception
Net, the mesh number of the intercept net is 60~100 mesh.
6. porous graphene sea water desalination composite membrane according to claim 1, which is characterized in that the filter layer is activity
Charcoal.
7. porous graphene sea water desalination composite membrane according to claim 1, which is characterized in that the graphene sieve nest thickness
It spends for 1~5mm, the upper surface of the porous graphene is additionally provided with fixed net.
8. porous graphene sea water desalination composite membrane according to claim 1, which is characterized in that on the outer wall of the shell also
Equipped with connector.
9. a kind of desalination plant, which is characterized in that including porous graphene seawater described in claim 1~8 any one
Desalinate composite membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245823.6U CN207430064U (en) | 2017-09-27 | 2017-09-27 | A kind of porous graphene sea water desalination composite membrane and its desalination plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245823.6U CN207430064U (en) | 2017-09-27 | 2017-09-27 | A kind of porous graphene sea water desalination composite membrane and its desalination plant |
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| CN207430064U true CN207430064U (en) | 2018-06-01 |
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| CN201721245823.6U Expired - Fee Related CN207430064U (en) | 2017-09-27 | 2017-09-27 | A kind of porous graphene sea water desalination composite membrane and its desalination plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056595A (en) * | 2019-12-19 | 2020-04-24 | 饶玉明 | Seawater desalination device based on graphene film |
-
2017
- 2017-09-27 CN CN201721245823.6U patent/CN207430064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056595A (en) * | 2019-12-19 | 2020-04-24 | 饶玉明 | Seawater desalination device based on graphene film |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20200927 |