CN104098158A - Sea water desalination device based on pressure retardation osmosis and reverse osmosis and method thereof - Google Patents
Sea water desalination device based on pressure retardation osmosis and reverse osmosis and method thereof Download PDFInfo
- Publication number
- CN104098158A CN104098158A CN201410314434.9A CN201410314434A CN104098158A CN 104098158 A CN104098158 A CN 104098158A CN 201410314434 A CN201410314434 A CN 201410314434A CN 104098158 A CN104098158 A CN 104098158A
- Authority
- CN
- China
- Prior art keywords
- seawater
- chamber
- sea water
- pressure
- infiltration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a sea water desalination device based on pressure retardation osmosis and reverse osmosis and a method thereof. The sea water desalination device comprises a concentration difference power unit, a sea water desalination unit and a pressure transfer element positioned between the concentration difference power unit and the sea water desalination unit. The concentration difference power unit comprises a hollow seal water chamber No. 1, a hollow concentrated seawater chamber adjacent to the hollow seal water chamber No. 1, and an osmotic membrane positioned between the hollow seal water chamber No. 1 and the hollow concentrated seawater chamber, and the concentration difference power unit is used for converting salinity gradient power of sea water with different concentrations into static pressure. The sea water desalination unit comprises a hollow seal water chamber No. 2, a hollow fresh water chamber adjacent to the hollow seal water chamber No. 2, and a reverse osmosis membrane positioned between the hollow seal water chamber No. 2 and the hollow fresh water chamber, and under the effect of static pressure, the reverse osmosis membrane only allows water molecules to pass through, thereby achieving sea water desalination. The pressure transfer element can move or deform, and transfers static pressure to the seal water chamber No.2 through self moving or deforming. The device has a compact structure, only uses seawater salinity gradient energy for sea water desalination, does not consume high-grade energy and is green and environmental-friendly.
Description
Technical field
The invention belongs to field of sea water desalting technology, be specifically related to a kind of sea water desalinating plant and method thereof based on the infiltration and counter-infiltration of pressure retardation of utilizing salt error energy.
Background technology
At present, a large amount of marine island and cay Freshwater resources are rare, and in the urgent need to utilizing desalination technology to prepare fresh water, the technology of traditional sea water desaltination mainly contains: seawater freezing method, electroosmose process, distillation method, reverse osmosis membrane.Wherein, distillation method and reverse osmosis membrane are main desalination methods, both rely on electric energy, tradition faces exhaustion for the coal oil-gas resource generating electricity, and electric energy cannot be sent to remote island, therefore utilize the desalination technology of electric energy can not adapt to remote island, utilize in the desalination technology of electric energy and need to use the power assist apparatus such as pump, cause the complex structure of its device, floor space is large, maintenance and running cost high.
Salt error can be the poor energy of the chemical potential between seawater and fresh water or between the seawater of two kinds of different concns, is a kind of renewable energy source of energy density maximum in sea energy, it is estimated, China coast salt error energy resource standing stock are about 3.9 × 10
15j.Pressure retardation infiltration (referred to as PRO) system based on semi-permeable membranes is one of mode of extracting at present salt error energy, reverse osmosis (being called for short RO) is the technology relative with PRO, under its pressure providing in the external world by ionic membrane by the solvent inverse osmosis in higher concentration seawater the opposite side to ionic membrane, can be for sea water desaltination.
At present, RO has developed into a kind of seawater (and brackish water) desalination techniques, but this reverse osmosis system working process needs extraneous pressure exerting device that pressure is provided, in traditional method, this pressure is to provide by electric energy, need to consume a large amount of high-grade energies, high and the contaminate environment of cost, is unfavorable for the mankind's Sustainable development.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of sea water desalinating plant and method thereof based on the infiltration and counter-infiltration of pressure retardation of utilizing salt error energy, its object is the pressure retardation infiltration technology based on semi-permeable membranes (being called for short PRO) and reverse osmosis technology (being called for short RO) to combine cleverly, utilize PRO system to obtain static pressure for RO system provides propulsion source, recycle RO technology and carry out sea water desaltination.Solve thus the problem of utilizing RO technology to carry out sea water desaltination in traditional method need to consume high-grade energy.
For achieving the above object, according to one aspect of the present invention, a kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation is provided, for utilizing the salt error of seawater to desalinate seawater, it is characterized in that, comprise concentration difference power unit and sea water desaltination unit, and be positioned between two unit for separating two unit and described concentration difference power unit pressure being passed to the pressure transmission device of described sea water desaltination unit, wherein
Concentration difference power unit, it comprise seawater chamber of hollow and with it adjacent hollow concentrated seawater chamber and be positioned between two chambers for separate two chambers and only allow that water molecules passes through permeable membrane, described concentration difference power unit is for being converted into static pressure by the salt error between the seawater of different concns;
Sea water desaltination unit, it comprise No. two seawater chambeies of hollow and with it adjacent hollow fresh water chamber and be positioned at the reverse osmosis membrane for separating two chambers and only allowing water molecules to pass through between two chambers, described sea water desaltination unit utilizes reverse osmosis membrane that water is separated with impurity under static pressure, carries out sea water desaltination;
Pressure transmission device, it is positioned between described concentrated seawater chamber and described No. two seawater chambeies, can move or be out of shape, for separating described concentrated seawater chamber and No. two seawater chambeies and the static pressure in concentrated seawater chamber being passed to described No. two seawater chambeies by self displacement or distortion;
While being full of respectively the seawater of different concns and concentrated seawater chamber maritime interior waters concentration higher than a seawater chamber maritime interior waters concentration in seawater chamber and concentrated seawater chamber, under the effect of osmotic pressure, in a seawater chamber, water molecules enters in concentrated seawater chamber through permeable membrane, concentrated seawater chamber internal volume increases and formation static pressure, by making pressure transmission device shift to No. two seawater chambeies of sea water desaltination unit, make to be subject to static pressure effect in No. two seawater chambeies and complete sea water desaltination.
Further, the wall close contact between described pressure transmission device and concentrated seawater chamber and No. two seawater chambeies, to form sealing, forms and leaks between concentrated seawater chamber and No. two seawater chambeies for preventing, it is preferably piston or the deformable pellosil of variable movement.
Further, the permeable membrane between a described seawater chamber and concentrated seawater chamber is fixed and supports by the first porous resistance to deformation retaining plate, to prevent that described permeable membrane from breaking under the salt error of different concns seawater can act on; Reverse osmosis membrane between described No. two seawater chambeies and fresh water chamber is fixed and supports by the second porous resistance to deformation retaining plate, to prevent displacement under the pressure-acting of described reverse osmosis membrane in No. two seawater chambeies.
Further, the first porous resistance to deformation plate is fixed on the wall between seawater chamber and concentrated seawater chamber, consumes static pressure to prevent it from moving under the maritime interior waters effect of concentrated seawater chamber; The second porous resistance to deformation plate is fixed on the wall between No. two seawater chambeies and fresh water chamber, consume pressure energy to prevent it from moving under No. two seawater chamber maritime interior waters effects, thereby ensure that the static pressure being provided by concentration difference power unit all acts on sea water desaltination unit.
Further, a described seawater chamber, described concentrated seawater chamber and described No. two seawater chambeies are all separately installed with inlet valve, outlet valve on the pipeline of two relative walls of chamber separately, to be respectively used to the inlet and outlet of seawater, shown in fresh water chamber only on an one wall pipeline, outlet valve is installed, for the discharge of fresh water obtaining.
According to another aspect of the present invention, a kind of seawater desalination system is provided, it comprises that at least two devices as above connect mutually, wherein, the pipeline that installs outlet valve place, fresh water chamber described in the pipeline communication upper level at the inlet valve place, No. two seawater chambeies of installing described in next stage, obtains for seawater is carried out to multistage desalination the fresh water that purity is higher.
According to a third aspect of the present invention, provide a kind of method of applying device described above and carrying out sea water desaltination.
Further, while carrying out sea water desaltination, in a seawater chamber, concentrated seawater chamber and No. two seawater chambeies of described device, be filled with respectively seawater, concentrated seawater and brackish water, described concentrated seawater solute concentration is greater than described seawater, and described brackish water solute concentration is less than described seawater.
Further, the permeable pressure head that described seawater and concentrated seawater form is greater than the permeable pressure head forming between the fresh water obtaining in described brackish water and described fresh water chamber.
In general, the above technical scheme of conceiving by the present invention compared with prior art, can obtain following beneficial effect:
1, apparatus of the present invention only utilize the salt error between different concns seawater can carry out sea water desaltination, compared with existing seawater desalination system, it is without using high-grade energy such as electric energy, the raw material of its preparing fresh is all taken from nature, there is not the problem of any contaminate environment, environmental protection, economic and practical.
2, the compact construction of apparatus of the present invention, without driving arrangements such as additional motor and pumps,, without high pressure original paper, there is not the safety problems such as blast and leakage in operation that can be steady in a long-term.
3, method for desalting seawater in the present invention, owing to only utilizing the salt error energy of different concns seawater, for the remote island that lacks power supply, it is not subject to the restriction of severe regional condition can carry out sea water desaltination, thereby can be people's the movable extending space in sea.
4, in the inventive method, salt error can be converted into static pressure energy by permeable membrane, static pressure can be converted into the power desalinizing seawater simultaneously, utilize to greatest extent salt error energy, utilize compared with mode with utilizing salt error to generate electricity in prior art to wait, the inventive method has improved the utilising efficiency of the salt error energy energy greatly.
Brief description of the drawings
Fig. 1 is the sea water desalinating plant structural representation that in the present embodiment, pressure transmission device is piston;
Fig. 2 is the sea water desalinating plant structural representation that in the present embodiment, pressure transmission device is pellosil.
In institute's drawings attached, identical Reference numeral is used for representing identical element or structure, wherein:
1-left side set collar 2-permeable membrane 3-the first porous resistance to deformation plate
Flange bolt 6-left side, flange 5-left side, 4-left side end cap
7-seawater inlet valve 8-concentrated seawater inlet valve 9-brackish water inlet valve
10-pressure transmission device 11-casing 12-right side end cap
13-right side flange bolt 14-reverse osmosis membrane 15-the second porous resistance to deformation plate
16-right side set collar 17-pipeline and casing weld seam 18-water outlet valve
19-brackish water outlet valve 20-concentrated seawater outlet valve 21-seawer outlet valve.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.In addition,, in each embodiment of described the present invention, involved technical characterictic just can combine mutually as long as do not form each other conflict.
If Fig. 1 and Fig. 2 are the sea water desalinating plants of the embodiment of the present invention, different is that in Fig. 1, pressure transmission device is piston, and in Fig. 2, pressure transmission device is pellosil.The arrow of the horizontal direction in Fig. 1 and Fig. 2 represents the infiltration direction of solvent, and at this, solvent is water.
In Fig. 1 and Fig. 2, all there are four chambers, be respectively as the chamber A in a seawater chamber, as the chamber B in concentrated seawater chamber, as the cavity C in No. two seawater chambeies and as the chamber D in fresh water chamber, four chambers have formed the internal space of casing 11, chamber A and chamber B and the permeable membrane 2 arranging between the two form concentration difference power unit, and cavity C and chamber D and the reverse osmosis membrane 14 arranging between the two form sea water desaltination unit.Wherein, the first porous resistance to deformation plate 3 is for supporting permeable membrane 2, and left side set collar 1 is for being fixed on the first porous resistance to deformation plate 3 left hand wall of casing 11.Same, the second porous resistance to deformation plate 15 is for supporting reverse osmosis membrane 14, and right side set collar 16 is for being fixed on the second porous resistance to deformation plate 15 on the right wall of casing 11.The quantity of left and right sides support set collar 1 and 16 is respectively two, two identical support set collars are stuck in the groove of casing, in figure, do not draw groove, but the present invention does not limit it for groove, it can also be other fixed form, be respectively used to the two ends of first, second porous resistance to deformation plate of the left and right sides to be fixed on the upper lower wall of casing by being stuck in groove, thereby the porous resistance to deformation plate of the left and right sides is fixedly secured on casing 11.
Between concentration difference power unit and sea water desaltination unit, be provided with pressure transmission device 10, for concentration difference power unit being utilized the obtainable static pressure of salt error pass to sea water desaltination unit, thereby make to utilize RO technology to make sea water desaltination unit under extraneous pressure-acting, carry out sea water desaltination.Pressure transmission device 10 is preferably movable piston or pellosil, but material, the structure formation of the present invention to pressure transmission device and do not limit with the fixed form of casing, as long as its can transmission of pressure and with the stopping property of casing better.
Left side welding flange 4 is to be welded on the web plate of box body wall for being tightly connected, it is fastening that itself and left side end cap 6 pass through left side flange bolt 5, in order to ensure stopping property, the two accompanies sealing-ring (sealing-ring does not draw in the drawings), has completed the sealing in the left side of casing.Same, right side welding flange is to be welded on the web plate of casing 11 walls for being tightly connected, it is fastening that itself and right side end cap 6 pass through right side flange bolt 13, in order to ensure stopping property, the two accompanies sealing-ring (sealing-ring does not draw in the drawings), has completed the sealing on casing right side.
On the wall of the both sides of chamber A place casing, device has seawater inlet duct and seawer outlet pipeline respectively, entering chamber A and discharging chamber A for seawater, seawater inlet valve 7 and seawer outlet valve 21 are housed respectively on seawater inlet duct and outlet conduit, to control respectively the switching of pipeline separately.Same, on the two side of the casing at chamber B place, device has concentrated seawater inlet duct and concentrated seawater outlet conduit respectively, entering chamber B and discharging chamber B for concentrated seawater, concentrated seawater inlet valve 8 and concentrated seawater outlet valve 20 are housed respectively on concentrated seawater inlet duct and concentrated seawater outlet conduit, to control respectively the switching of pipeline separately.Same, on the wall of the both sides of cavity C place casing, device has brackish water inlet duct and brackish water outlet conduit respectively, entering cavity C and discharging cavity C for brackish water, brackish water inlet valve 9 and brackish water outlet valve 19 are housed respectively on brackish water inlet duct and brackish water outlet conduit, to control respectively the switching of pipeline separately.Different from first three chamber, chamber D only has water outlet pipeline on the wall of casing one side, is provided with water outlet valve 18 on this pipeline, for discharging the fresh water of acquisition.In the present invention, seawater inlet valve 7 is normally open valve doors with water outlet valve 18, and other valves open and close as required.
In the present embodiment, 17 is pipeline and casing weld seam, and the inlet duct on tank wall and outlet pipe are realized and being connected with casing by welding, but its fixed form are not limited in the present invention.
The principle of work of apparatus of the present invention is:
In the time being full of respectively seawater, concentrated seawater in chamber A and chamber B, in the time there is concentration difference in both concentration, under the permeable membrane effect between chamber A and chamber B, solvent (in the present embodiment, solvent is water molecules) in the lower chamber A of solute concentration enters in the chamber B that solute concentration is higher by permeable membrane, the solvent entering in chamber B increases, result is that chamber B internal pressure increases, concentration step-down.
On the one hand, chamber B internal pressure causes seawater squeeze pressure transmitting element inner with it that its direction to sea water desaltination unit is moved after increasing, the brackish water pressurized of the cavity C that simultaneously makes to be positioned at pressure transmission device opposite side and contact with it, brackish water water molecules under pressure reduction can act on sees through reverse osmosis membrane and arrives chamber D, has completed sea water desaltination.
On the other hand, because the solvent in chamber B constantly increases, its concentration declines gradually, when the density loss of chamber B maritime interior waters to chamber A in the concentration of seawater while balancing each other, chamber A internal solvent no longer enters in chamber B, and the volume in chamber B no longer increases, and can not promote pressure transmission device to sea water desaltination single element move, sea water desaltination unit loses pressure-acting, cannot carry out reverse osmosis process.Now, need to change the seawater in chamber B or adopt other modes to increase chamber B maritime interior waters concentration and make it revert to the seawater that concentration is higher.
In the present invention, for the fresh water that makes to produce is purer, the device shown in Fig. 1 can be together in series step by step, the water outlet of upper level is connected with the brackish water entrance of next stage, so can improve the purity of fresh water.In the present embodiment, only provided one-level sea water desalinating plant, but in the present invention not the progression to desalting equipment limit, within apparatus and method that purer fresh water is produced in its series connection all belong to protection scope of the present invention.
In the present invention, seawater serve as reasons local concentration of seawater determine, concentrated seawater is the seawater higher than solute concentration in seawater, brackish water is the seawater lower than concentration of seawater.In the present invention, the concentration height of seawater is comparatively speaking, and not concrete regulation can be determined according to practical situation, in the present invention, does not specifically limit.
In the present invention, first the seawater in access to plant and brackish water remove the normal work of silt wherein and other granule foreign guarantee permeable membrane and reverse osmosis membrane through pre-treatment.In the present invention, seawater, concentrated seawater, brackish water pre-processing device all do not provide, and can select as required not only energy saving economy but also good pre-processing device.
In the embodiment of the present invention, high density seawater can be adjusted concentration difference by adding NaCl (being salt), but this method, as a kind of method of adjusting seawater height concentration difference, is not only unique scheme of the present invention, the present invention does not specifically limit adjusting the poor method of high-concentration and low-concentration.
In the present invention, high-concentration and low-concentration seawater separately the definite of concentration has determined concentration difference between the two, and the height of concentration difference directly affects the effect of sea water desaltination, and concentration difference is larger in theory, the pressure difference that concentration difference power unit provides is larger, and the effect of sea water desaltination is better.The character of permeable membrane in using according to reality, determines concentration difference corresponding when this film work-ing life is longer, and particular case is actually comprehensively weighed and selects according to producing, and in the present invention, does not specifically limit.
In the present invention, the high-concentration and low-concentration seawater separately volume size of corresponding chamber is recently determined by the volume of the rear final balance of infiltration according to the required pressure difference of sea water desaltination, high-concentration and low-concentration seawater, in the present invention, does not specifically limit.
Permeable membrane in the present invention, reverse osmosis membrane are chosen according to the concentration of both sides seawater separately, in the present invention, specifically do not limit.
In the present invention, bracing frame preferentially selects non-deformability strong, is difficult for by the material of sea-water corrosion, and the present invention does not specifically limit.
In the inventive method, change the time of seawater according to the volume calculative determination of the concentration of the concentration of the concentration of seawater, concentrated seawater, brackish water and chamber A, chamber B.The time that seawater replacing can be set in order to improve the efficiency of production fresh water is slightly less than the starting time of calculating, but consideration economy is changed too small that the time of seawater can not arrange.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation, utilize the salt error of seawater can carry out sea water desaltination, it is characterized in that, it comprises concentration difference power unit and sea water desaltination unit, and be positioned at the pressure transmission device that passes to described sea water desaltination unit between two unit for the pressure energy of separating two unit and described concentration difference power unit is obtained, wherein
Concentration difference power unit, it comprise seawater chamber of hollow and with it adjacent hollow concentrated seawater chamber and be positioned between two chambers for separating the permeable membrane of two chambers, because this permeable membrane exists, in the less seawater chamber of salinity, in seawater, water molecules can be penetrated in the concentrated seawater chamber that salinity is larger under salt error can act on, and because the compressibility of liquid is poor, concentrated seawater cavity pressure is increased, realize salt error energy osmotic pressure is converted into static pressure;
Pressure transmission device, it can move or be out of shape in the time that the static pressure in concentrated seawater chamber increases, thereby described static pressure is passed to described sea water desaltination unit;
Sea water desaltination unit, it comprise No. two seawater chambeies of hollow and with it adjacent hollow fresh water chamber and be arranged between two chambers for separating two chambers and only allowing the water molecules of No. two seawater chamber maritime interior waters to be penetrated into the reverse osmosis membrane in fresh water chamber, thereby described No. two seawater chambeies are subject to described static pressure effect to make water molecules in No. two seawater in seawater chamber enter fresh water chamber by described reverse osmosis membrane, realize sea water desaltination.
2. a kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation as claimed in claim 1, it is characterized in that, described pressure transmission device is preferably movable piston or deformable pellosil, its between concentrated seawater chamber and No. two seawater chambeies for transmission of pressure.
3. a kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation as claimed in claim 1 or 2, is characterized in that,
Permeable membrane between a described seawater chamber and concentrated seawater chamber is fixed and supports by the first porous resistance to deformation retaining plate, to prevent that described permeable membrane from moving or breaking under the salt error of different concns seawater can act on;
Described the first porous resistance to deformation retaining plate is fixed between seawater chamber and concentrated seawater chamber, consumes static pressure to prevent it from moving under the maritime interior waters effect of concentrated seawater chamber.
4. a kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation as described in one of claim 1-3, is characterized in that,
Reverse osmosis membrane between described No. two seawater chambeies and fresh water chamber is fixed and supports by the second porous resistance to deformation retaining plate, moves or breaks preventing under the pressure-acting of described reverse osmosis membrane in No. two seawater chambeies;
Described the second porous resistance to deformation plate is fixed between No. two seawater chambeies and fresh water chamber, consumes static pressure to prevent it from moving under No. two seawater chamber maritime interior waters effects, thereby ensures that the static pressure being provided by concentration difference power unit all acts on sea water desaltination.
5. a kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation as described in one of claim 1-4, it is characterized in that, a described seawater chamber, described concentrated seawater chamber and described No. two seawater chambeies are all provided with pipeline on two relative walls of chamber separately, and on the pipeline of relative two walls, be separately installed with inlet valve, outlet valve, to be respectively used to the inlet and outlet of seawater, described fresh water chamber is only provided with pipeline at an one wall, and on this pipeline, outlet valve is installed, the discharge of the fresh water obtaining for sea water desaltination.
6. a seawater desalination system, it comprises that at least 2 sea water desalinating plants as described in one of claim 1-5 connect mutually, wherein, the pipeline at the outlet valve place, fresh water chamber of installing described in the pipeline communication upper level at the inlet valve place, No. two seawater chambeies of the device described in the next stage that series connection forms, obtains for carrying out multistage seawater desalting the fresh water that purity is higher.
7. the application method that device carries out sea water desaltination as described in one of claim 1-6.
8. a kind of method for desalting seawater as claimed in claim 7, it is characterized in that, while carrying out sea water desaltination, in a seawater chamber, concentrated seawater chamber and No. two seawater chambeies of described device, be filled with respectively seawater, concentrated seawater and brackish water, described concentrated seawater solute concentration is greater than described seawater, and described brackish water solute concentration is less than described seawater.
9. a kind of method for desalting seawater as claimed in claim 7 or 8, is characterized in that, while carrying out sea water desaltination, the permeable pressure head that described seawater and concentrated seawater form is greater than the permeable pressure head forming between the fresh water obtaining in described brackish water and described fresh water chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314434.9A CN104098158B (en) | 2014-07-02 | 2014-07-02 | A kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314434.9A CN104098158B (en) | 2014-07-02 | 2014-07-02 | A kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104098158A true CN104098158A (en) | 2014-10-15 |
| CN104098158B CN104098158B (en) | 2016-04-13 |
Family
ID=51666754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410314434.9A Expired - Fee Related CN104098158B (en) | 2014-07-02 | 2014-07-02 | A kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104098158B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587270A (en) * | 2017-02-06 | 2017-04-26 | 浙江斯科能科技股份有限公司 | Method for desalination of seawater by using seawater pressure |
| CN106745516A (en) * | 2016-11-25 | 2017-05-31 | 浙江斯科能科技股份有限公司 | A kind of method for desalting seawater |
| CN106745518A (en) * | 2016-12-14 | 2017-05-31 | 华中科技大学 | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration |
| CN109293086A (en) * | 2018-10-17 | 2019-02-01 | 倍杰特集团股份有限公司 | A kind of sub-prime salt high frequency concentration water treatment system |
| WO2020146957A1 (en) | 2019-01-18 | 2020-07-23 | Investigaciones Forestales Bioforest S.A. | Industrial salinity gradient battery and associated method |
| CN113804677A (en) * | 2021-09-16 | 2021-12-17 | 杨兴红 | Rapid detection kit for pH of aquaculture water |
| IL265245B2 (en) * | 2019-03-08 | 2023-06-01 | Ide Technologies Ltd | Method and apparatus for improving water distribution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004065308A1 (en) * | 2003-01-22 | 2004-08-05 | DÜCHTING, Wolfgang | Water desalination installation |
| CN101092257A (en) * | 2007-07-27 | 2007-12-26 | 西安交通大学 | Method and device of desalination process by reverse osmosis for water |
| CN101581328A (en) * | 2009-05-31 | 2009-11-18 | 王世昌 | United piston self-pressurization energy recovery pump used for reverse osmosis seawater desalination system |
| CN203938503U (en) * | 2014-07-02 | 2014-11-12 | 华中科技大学 | A kind of sea water desalinating plant and system thereof based on the infiltration and counter-infiltration of pressure retardation |
-
2014
- 2014-07-02 CN CN201410314434.9A patent/CN104098158B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004065308A1 (en) * | 2003-01-22 | 2004-08-05 | DÜCHTING, Wolfgang | Water desalination installation |
| CN101092257A (en) * | 2007-07-27 | 2007-12-26 | 西安交通大学 | Method and device of desalination process by reverse osmosis for water |
| CN101581328A (en) * | 2009-05-31 | 2009-11-18 | 王世昌 | United piston self-pressurization energy recovery pump used for reverse osmosis seawater desalination system |
| CN203938503U (en) * | 2014-07-02 | 2014-11-12 | 华中科技大学 | A kind of sea water desalinating plant and system thereof based on the infiltration and counter-infiltration of pressure retardation |
Non-Patent Citations (1)
| Title |
|---|
| ALI ALTAEE 等: "Pressure retarded osmosis for power generation and seawater desalination: performance analysis", 《DESALINATION》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745516A (en) * | 2016-11-25 | 2017-05-31 | 浙江斯科能科技股份有限公司 | A kind of method for desalting seawater |
| CN106745518A (en) * | 2016-12-14 | 2017-05-31 | 华中科技大学 | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration |
| CN106745518B (en) * | 2016-12-14 | 2023-07-04 | 华中科技大学 | Double-stroke sea water desalting device based on pressure delay permeation and reverse osmosis |
| CN106587270A (en) * | 2017-02-06 | 2017-04-26 | 浙江斯科能科技股份有限公司 | Method for desalination of seawater by using seawater pressure |
| CN109293086A (en) * | 2018-10-17 | 2019-02-01 | 倍杰特集团股份有限公司 | A kind of sub-prime salt high frequency concentration water treatment system |
| CN109293086B (en) * | 2018-10-17 | 2021-08-24 | 倍杰特集团股份有限公司 | High-frequency concentrated water treatment system for quality-divided salt |
| WO2020146957A1 (en) | 2019-01-18 | 2020-07-23 | Investigaciones Forestales Bioforest S.A. | Industrial salinity gradient battery and associated method |
| IL265245B2 (en) * | 2019-03-08 | 2023-06-01 | Ide Technologies Ltd | Method and apparatus for improving water distribution |
| CN113804677A (en) * | 2021-09-16 | 2021-12-17 | 杨兴红 | Rapid detection kit for pH of aquaculture water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104098158B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104098158B (en) | A kind of sea water desalinating plant based on the infiltration and counter-infiltration of pressure retardation and method thereof | |
| CN203938503U (en) | A kind of sea water desalinating plant and system thereof based on the infiltration and counter-infiltration of pressure retardation | |
| Gude | Energy consumption and recovery in reverse osmosis | |
| CN106379961A (en) | Multi-section reverse-osmosis seawater desalination and saline water potential difference energy power generation coupling system | |
| Guirguis | Energy recovery devices in seawater reverse osmosis desalination plants with emphasis on efficiency and economical analysis of isobaric versus centrifugal devices | |
| CN103172189A (en) | Device for generating power by utilizing osmosis energy | |
| CN106082397B (en) | System and method for synchronous sewage regeneration and seawater desalination | |
| CN102040261B (en) | Water-pressure automatic transposition energy recovery device | |
| CN102747717A (en) | Device for generating power and desalinating seawater by using tidal energy | |
| WO2021012440A1 (en) | Sewage treatment device and method for synchronously recycling water and electric energy | |
| CN104692492A (en) | Reverse-osmosis seawater desalting device based on organic rankine cycle | |
| Post et al. | Pre-desalination with electro-membranes for SWRO | |
| CN104176847A (en) | Seawater desalination technology | |
| KR101587592B1 (en) | A salinity gradient power generation system using pro pressure | |
| CN202185260U (en) | Forward osmosis equipment | |
| CN203229405U (en) | Gas-liquid transmission system taking compressed air as power, and seawater desalination system | |
| CN101786696A (en) | Reverse osmosis seawater desalting method and device by utilizing ocean energy | |
| KR20150034543A (en) | Hybrid salinity gradient power generation system for concentrated brine and fresh water | |
| CN102900712A (en) | Gas booster pump and emergency air-energy multifunctional water purification system | |
| CN101353192A (en) | Reverse osmosis unit arranged in deep water | |
| CN106745518B (en) | Double-stroke sea water desalting device based on pressure delay permeation and reverse osmosis | |
| CN203308664U (en) | Magnetic control type energy recovery pump for reverse osmosis sea water desalinating system | |
| CN102507245A (en) | Test device for testing energy recovery device | |
| CN206359286U (en) | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration | |
| CN101863531A (en) | Zero energy deep seawater desalting all-in-one pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20200702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |