CN107055706A - The method of desalination of sea water by hydrate method and the device of this method is realized under a kind of electric field action - Google Patents
The method of desalination of sea water by hydrate method and the device of this method is realized under a kind of electric field action Download PDFInfo
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- CN107055706A CN107055706A CN201610939989.1A CN201610939989A CN107055706A CN 107055706 A CN107055706 A CN 107055706A CN 201610939989 A CN201610939989 A CN 201610939989A CN 107055706 A CN107055706 A CN 107055706A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4604—Treatment of water, waste water, or sewage by electrochemical methods for desalination of seawater or brackish water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
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- Environmental & Geological Engineering (AREA)
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- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a kind of method of desalination of sea water by hydrate method under electric field action, comprise the following steps：(1) hydrate generation container is transported to after sea water preprocessing, hydrating agents deliver into hydrate generation container；(2) fresh water and hydrating agents in hydrate generates container maritime interior waters reacts under DC Electric Field forms cation remaining in solid-state hydrate, seawater and anion and is enriched with respectively in positive room and cloudy room；(3) in decomposition of hydrate container, hydrate slurry phase decomposition obtains desalination water and hydrating agents, desalination water enters fresh water collecting container by desalination water transfer pipeline, after the hydrating agents of collection are mixed with the blended valve of hydrating agents that the first hydrating agents transfer pipeline is conveyed, hydrate is generated with seawater again into hydrate generation container, a desalinization circulation technology is formed.The present invention is under DC Electric Field, seawater quick formation solid-state hydrate under the conditions of without hydrate accelerant with hydrating agents, while avoiding ion from mutually adsorbing or assemble in hydrate, so as to improve desalinization efficiency and yield, technique is simple, energy-saving consumption-reducing.
Description
Technical field
The invention belongs to desalination of sea water by hydrate method technical field, and in particular to hydrate seawater under a kind of electric field action
The method of desalination and the device for realizing this method.
Background technology
Increase with world population, the high speed development of modern industry, scarcity of fresh water resources has become the world today and faces
Very severe global problem.So far, the existing kind more than 20 of desalination technology.Wherein, mainly have hot method (such as MED,
MSF etc.) and embrane method (such as RO).Traditional technology method has the shortcomings of big energy consumption, high cost and serious fouling, it is necessary to develop more
Plus economic and environment-friendly method.Desalination of sea water by hydrate method is to utilize the water for being easier to generate in the small-molecule substance and seawater of hydrate
Molecule is generated after clathrate hydrate crystal, separation of solid and liquid, and solid hydrate, which is decomposed, can obtain fresh water.Desalination of sea water by hydrate method
Technology is so that technique is simple, the low feature of energy consumption cost as a kind of solves freshwater resources effective means in short supply, increasingly by
The extensive concern of coastal local government.The key of this technology：One is to need hydrating agents to form hydration quick compared with temperate condition
Thing,；Two be separation of solid and liquid, that is, the separation of hydrate solid and residual brine after being hydrated.
And current predicament is, the relatively mild C of formation condition3ClF、CH3Br、CHCl2The hydrating agents toxicity such as F is larger, uncomfortable
Close desalination drinking water；And the CO of relative clean2、C3H8It is higher, it is necessary to add hydrate accelerant Deng hydrating agents formation condition, and
Hydrate accelerant is typically all poisonous to have pollution.The various ions in residual brine can be wrapped up or adsorbed in hydrate simultaneously
Solid phase, so as to reduce desalination of sea water by hydrate method efficiency.Above-mentioned two key issue has become desalination of sea water by hydrate method skill
Art promotes the bottleneck with application.
The content of the invention
It is an object of the invention to provide a kind of method of desalination of sea water by hydrate method under electric field action and realize this method
Device.The present invention is under DC Electric Field, and fresh water in seawater and hydrating agents quickly form solid-state hydrate, and remaining
Anions and canons are enriched with the Room of yin, yang two respectively, so that improving efficient hydro-combination process improves desalinization efficiency and yield；This
Technology need not add any hydrate accelerant, and clean environment firendly can be applied to the technical fields such as desalinization, solution desalination.
In order to realize foregoing invention purpose, technical scheme is as follows：
It is an object of the invention to provide a kind of method of desalination of sea water by hydrate method under electric field action, comprise the following steps：
(1) after the clarified pretreatment of seawater, generated and held by sea water supply Pipeline transport to hydrate through the first centrifugal pump
Device, while hydrating agents deliver into hydrate through pressure-reducing valve and mixing valve by hydration agent container by the first hydrating agents transfer pipeline
Generate container；
(2) extra electric field is provided with hydrate generation container, seawater and hydrating agents are thoroughly mixed, powered up outside
Under field action, the remaining anion and cation that the fresh water in seawater is quickly formed in solid-state hydrate, seawater with hydrating agents
Respectively in positive room and cloudy room enrichment；The salt solution of cloudy room and the indoor enrichment of sun is discharged through brine discharge tube road, and hydrate slurry is through the
Two centrifugal pumps enter decomposition of hydrate container by hydrate slurry phase output pipe；
(3) in decomposition of hydrate container, hydrate slurry obtains desalination water and water insoluble in agitated abundant decompose
Hydrating agents, desalination water enters fresh water collecting container by desalination water transfer pipeline, and the hydrating agents of collection pass through the second hydrating agents
After transfer pipeline is mixed with the blended valve of hydrating agents conveyed by the first hydrating agents transfer pipeline, into the hydrate
Generate container and generate hydrate with seawater again, be thusly-formed a desalinization circulation technology.Hydrate slurry is normal in normal temperature
Depress agitated abundant decompose and obtain desalination water and water insoluble hydrating agents.
The present invention is under the effect of contraction of extra electric field, and the anions and canons in seawer system are respectively positive and negative the two of electric field
Level enrichment, so as to reduce concentration of the ion in gas hydrate synthesis region, and avoids ion from mutually being adsorbed in hydrate；Meanwhile, it is additional
Electric field can strengthen the hydro-combination process of seawater.In brief, this technology be characterized in extra electric field from constraint sea water ion distribution and
Strengthen two key links of seawater hydro-combination process to improve the validity and reliability of hydration method desalination technology.This technology work
Skill simple possible, no added non-secondary pollution, desalination efficiency high, energy consumption cost are low, can be widely applied to seawater, brackish water it is light
Change process.
Preferably, hydrating agents described in step (1) are selected from CO2Or C3H8。CO2Or C3H8It is easy to react to form hydrate with water
Crystal, generate hydrate hydration number it is larger, be insoluble in water or the cleaning substance to water nonpollution.
Preferably, cation described in step (2) includes Na+、Ca2+、Mg2+Or K+At least one of, the anion
Including Cl-、SO4 2-Or HCO3 -At least one of.
Preferably, the extra electric field is dc source electric field, and the voltage of the dc source electric field is 1~110V.
Further, the voltage of the extra electric field is 1~36V.Extra electric field is to be set in gas hydrate synthesis area periphery
The DC electric field put, its voltage is 1~36V, and preferably DC electric field is horizontal direction.Extra electric field is about in the present invention
Beam ion is distributed, without high voltage electric field, so that energy consumption cost is reduced.
Another object of the present invention is to propose a kind of dress for realizing the method for desalination of sea water by hydrate method under electric field action
Put, including seawater input module, hydrating agents supplying module, hydrate generation module, decomposition of hydrate module, fresh water collecting module
With external electric field module, the hydrate generation module includes hydrate and generates container and hydrate slurry phase output pipe, the water
Compound generation container top is provided with hydrating agents entrance, and the hydrating agents supplying module includes hydration agent container and the first hydrating agents
Transfer pipeline, the hydrating agents container top is provided with hydrating agents outlet, and the hydrating agents outlet leads to the hydrating agents entrance
Cross on the connection of the first hydrating agents transfer pipeline, the hydrate generation container and be provided with seawater input port, the seawater inputs mould
Block includes seawater depositing reservoir and sea water supply pipeline, and seawater passes through sea water supply pipeline and the sea after the seawater depositing reservoir
Water input is connected；Hydrate slurry phase delivery outlet, the decomposition of hydrate module are additionally provided with the hydrate generation container
It is mutually defeated that hydrate slurry is provided with including decomposition of hydrate container and the second hydrating agents transfer pipeline, on the decomposition of hydrate container
Entrance, the hydrate slurry phase delivery outlet is connected by hydrate slurry phase output pipe with the hydrate slurry phase input port, institute
State decomposition of hydrate container top and be provided with hydrating agents delivery outlet, the hydrating agents delivery outlet passes through the second hydrating agents transfer pipeline
It is connected with the mixing valve in the first hydrating agents transfer pipeline, the fresh water collecting module includes desalination water transfer pipeline and light
Fresh water in water collecting container, the decomposition of hydrate container by the desalination water transfer pipeline in fresh water collecting module with it is described
Fresh water collecting reservoir；The external electric field module includes dc source and the negative electricity being connected with the dc source by wire
Pole plate and positive electricity pole plate, the positive electricity pole plate and the negative electricity pole plate are arranged inside the hydrate generation container, described outer
Electric field module provides steady electric field to hydrate generation container.
Compared with the technique of prior art desalination by hydrate process seawater, prior art is rested essentially within to hydrating agents or hydration
The choice of accelerator and technique coproduction or energy-conservation etc. optimize and designed, and none can inherently solve the ion in hydro-combination process
Absorption and its removal problem in hydrate crystal；It is existing removal ion method be also limited to or centrifuge removing or wash etc. or
Complex process or need consumes extra fresh water or energy consumption energy consumption cost is high or desalination efficiency is low.The present invention provides a kind of dispatch from foreign news agency field strength
Change the method and apparatus of desalination of sea water by hydrate method, its technical characteristic is to carry out strengthened aqua compound forming process with extra electric field；Together
When with extra electric field constraint ion distribution inherently solve ionic adsorption problem, without follow-up Ion extracting process.
Compared with the technique of electric field desalinization disclosed in prior art:One is that this technology is about using the essence of electric field
Beam ion is distributed, and technological core is that fresh water is obtained by hydro-combination process, and prior art be by the polarization reaction of electric field or
Acceleration directly obtains zwitterion product；Two be that this technology uses weak electric field (only needing to 1~36V voltages), and existing special
The desalination efficiency and ability of sharp technology are highly dependent on voltage of electric field, need to use high voltage electric field, and desalination less efficient (one
As less than 60%)；Three are decomposed using the formation that the technical role and technical purpose of electric field are strengthened aqua compound method desalinizations
Process.
Preferably, the hydrate generation module also includes the brine discharge tube for the salt solution discharge that will be enriched with electric field action
Road.
Preferably, hydrate generation container is high voltage bearing reactor, the kettle inner chamber by cloudy room dividing plate and
Positive room dividing plate is divided into cloudy room, hydrate phase room and positive room, and the seawater and the hydrating agents are under DC Electric Field in institute
State reaction in hydration phase room and form hydrate.In the present invention, high pressure is 0~10Mpa.Reactor kettle is cylinder, middle
It is round, cylinder both sides are elongated, both sides elongation is the electrode that elongated zones are used for placing extra electric field.
Further, be provided with the positive room dividing plate and the cloudy room dividing plate be easy to ion by and hinder hydrate
The micropore that particle passes through, the micro-pore diameter is 0.1~1mm.The design of pore size can be such that ion enters from hydrate phase side
Cloudy room and positive room, and hydrate particle can not pass through.
Preferably, the material of the positive room dividing plate and the cloudy room dividing plate is polytetrafluoroethylene (PTFE).
The beneficial effects of the invention are as follows：
(1) row constraint directly is entered to the zwitterion in seawer system using extra electric field, so as to solve ion in hydration
Thing mutually adsorbs, desalinates the low problem of efficiency；
(2) hydrate can be formed quickly under electric field facilitation, thus need not add any hydrate additive, whole
Individual technique is no added pollution-free, and desalination speed is fast；
(3) system architecture is rationally compact, meets demand of industrial production, and running is reliable and stable, with low cost, energy-saving ring
Protect, can be applied to the technical fields such as desalinization, brackish water desalination, solution desalination.
Brief description of the drawings
Fig. 1 is desalination of sea water by hydrate method device and method workflow schematic diagram under a kind of External Electrical Field of the invention；
Fig. 2 arranges for the kettle of desalination of sea water by hydrate method device and method under External Electrical Field of the present invention with extra electric field
Schematic diagram；
Reference：1st, hydrating agents tank；2nd, the first hydrating agents transfer pipeline；3rd, pressure-reducing valve；4th, mixing valve；5th, hydrate is given birth to
Into tank；51st, negative electricity pole plate；52nd, positive electricity pole plate, 53, cloudy room dividing plate, 54, positive room dividing plate；55th, cloudy room；56th, hydrate phase room；
57th, positive room；6th, agitator；7th, dc source；8th, seawater depositing reservoir；9th, the first centrifugal pump；10th, the second centrifugal pump；11st, hydrate
Decompose tank；12nd, fresh water collecting tank；13rd, sea water supply pipeline；14th, hydrate slurry phase output pipe；15th, brine discharge tube road；
16th, the second hydrating agents transfer pipeline；17th, desalination water transfer pipeline.
Embodiment
With reference to instantiation, the present invention is furture elucidated.It should be understood that these embodiments are merely to illustrate this hair
It is bright, rather than limit protection scope of the present invention.Technical staff makes according to the present invention in actual applications improvement and tune
It is whole, still fall within protection scope of the present invention.
The equipment and reagent used except special instruction, the present invention is the conventional commercial products of the art.Arrow side in Fig. 1
To the flow direction for representing hydrating agents.
The method of desalination of sea water by hydrate method, comprises the following steps under a kind of electric field action：
(1) after the clarified pretreatment of seawater, generated and held by sea water supply Pipeline transport to hydrate through the first centrifugal pump
Device, while hydrating agents deliver into hydrate through pressure-reducing valve and mixing valve by hydration agent container by the first hydrating agents transfer pipeline
Generate container；
(2) extra electric field is provided with hydrate generation container, seawater and hydrating agents are thoroughly mixed, in direct current
Under the electric field action of source, fresh water and hydrating agents progress hydration reaction formation solid-state hydrate in seawater, and remaining cation (Na+、Ca2+、Mg2+Or K+Deng cation) and anion (Cl-、SO4 2-Or HCO3 -Deng anion) respectively in positive room and cloudy room enrichment.So
Afterwards, the salt solution of cloudy room and the indoor enrichment of sun is discharged through brine discharge tube road, and hydrate slurry passes through hydrate through the second centrifugal pump
Starch phase output pipe and enter decomposition of hydrate container；
(3) in decomposition of hydrate container, mutually agitated abundant decompose obtains desalination water to hydrate slurry under certain condition
With water insoluble hydrating agents, desalination water enters fresh water collecting container by desalination water transfer pipeline, and the hydrating agents of collection pass through
After second hydrating agents transfer pipeline is mixed with the blended valve of hydrating agents conveyed by the first hydrating agents transfer pipeline, enter
The hydrate generation container generates hydrate with seawater again, is thusly-formed a desalinization circulation technology.
In the present invention, hydrating agents are to be easy to react to form hydrate crystal with water, and the hydration number for generating hydrate is larger,
It is insoluble in hydrating agents in water or the material to water nonpollution, step (1) and is selected from CO2Or C3H8.The voltage of dc source electric field is
1~110V, the present inventor has found that when the voltage of extra electric field is 1~36V, its fading effect is best in actual tests.At this
Extra electric field simply uses restraint to zwitterion in invention, without high voltage electric field, so that energy consumption cost is reduced, preferably
Dc source is horizontal direction.
Realize each container under electric field action in the device of the method for desalination of sea water by hydrate method its can select equipment,
The storage container of tower, storage tank or any method that can realize the present invention, in the following embodiments, each container is selected
Storage tank.
Embodiment
A kind of device for realizing the method for desalination of sea water by hydrate method under electric field action, including seawater input module, hydration
Agent supplying module, hydrate generation module, decomposition of hydrate module, fresh water collecting module and external electric field module, the hydrate
What generation module was discharged including hydrate generation tank 5, hydrate slurry phase output pipe 14 and by the salt solution being enriched with electric field action
Brine discharge tube road 15, the top of hydrate generation tank 5 is provided with hydrating agents entrance, and hydrating agents supplying module includes hydrating agents tank 1
With the first hydrating agents transfer pipeline 2, hydrating agents tank top is provided with hydrating agents outlet, and hydrating agents outlet passes through with hydrating agents entrance
First hydrating agents transfer pipeline 2 is connected, and is provided with seawater input port on hydrate generation tank 5, seawater input module includes seawater
Depositing reservoir 8 and sea water supply pipeline 13, seawater are connected after seawater depositing reservoir 8 by sea water supply pipeline 13 and seawater input port
It is logical；Hydrate slurry phase delivery outlet is additionally provided with hydrate generation tank 5, decomposition of hydrate module includes the He of decomposition of hydrate tank 11
Hydrate slurry phase input port, hydrate slurry phase delivery outlet are provided with second hydrating agents transfer pipeline 16, decomposition of hydrate tank 11
Connected by hydrate slurry phase output pipe 14 with hydrate slurry phase input port, the top of decomposition of hydrate tank 11 is provided with hydrating agents
Delivery outlet, hydrating agents delivery outlet is connected by the second hydrating agents transfer pipeline 16 with the mixing valve 4 in the first hydrating agents transfer pipeline 2
Connect, the fresh water that fresh water collecting module is included in desalination water transfer pipeline 17 and fresh water collecting tank 12, decomposition of hydrate tank 11 passes through
Desalination water transfer pipeline 17 in fresh water collecting module is connected with fresh water collecting tank 12；External electric field module includes the He of dc source 7
The negative electricity pole plate 51 and positive electricity pole plate 52 being connected with dc source 7 by wire, negative electricity pole plate 51 and positive electricity pole plate 52 are arranged at
Inside hydrate generation tank 11, external electric field module provides steady electric field to hydrate generation tank 11.
Hydrate generation tank 5 is high voltage bearing reactor, and kettle inner chamber is split by cloudy room dividing plate 53 and positive room dividing plate 54
For cloudy room 55, hydrate phase room 56 and positive room 57, seawater and hydrating agents are anti-in the hydration phase room under DC Electric Field
Hydrate should be formed.In the present embodiment, hydrating agents selection CO2And C3H8.Under electric field action, CO2And C3H8Its desalinization
Efficiency is respectively up to 88% and 90%, hence it is evident that better than state of the art 60%~70%.In the present embodiment, high pressure be 0~
10Mpa.Reactor kettle is cylinder, and centre is round, and cylinder both sides are elongated, and both sides elongation is that elongated zones are used for placing
The electrode of extra electric field.
In the present embodiment, hydrating agents are to be easy to react to form hydrate crystal with water, generate hydrate hydration number compared with
Greatly, hydrating agents in water or the material to water nonpollution, step (1) are insoluble in and are selected from CO2Or C3H8.The electricity of dc source electric field
Press as 1~110V, the present inventor has found in actual tests, when the voltage of extra electric field is 1~36V, its fading effect is best.
Extra electric field is constraint ion distribution in the present embodiment, without high voltage electric field, so that energy consumption cost is reduced, preferably
Dc source is horizontal direction.
Be provided with positive room dividing plate and cloudy room dividing plate for ion by and the micropore that hinders hydrate particle to pass through,
Micro-pore diameter is 0.1~1mm.The material of positive room dividing plate and the cloudy room dividing plate is polytetrafluoroethylene (PTFE).
The technological process of the device is：
(1) after seawater is pre-processed through seawater depositing reservoir 8, water is transported to by sea water supply pipeline 13 through the first centrifugal pump 9
Compound generate tank 5, while hydrating agents after the elder generation of hydrating agents tank 1 through the pressure-reducing valve 3 and mixing valve in the first hydrating agents transfer pipeline 2
Hydrate generation tank 5 is delivered into after 4；
(2) dc source electric field is provided with hydrate generation tank 5, seawater and the agitated device 6 of hydrating agents are sufficiently stirred for
Mixing, under dc source electric field action, fresh water and hydrating agents in seawater carry out hydration reaction formation solid-state hydrate, and residual
Remaining cation (Na+、Ca2+、Mg2+Or K+Deng cation) and anion (Cl-、SO4 2-Or HCO3 -Deng anion) respectively in positive room
With the enrichment of cloudy room.Hydrate slurry enters decomposition of hydrate tank through the second centrifugal pump 10 by hydrate slurry phase output pipe 14
11, then, the salt solution of cloudy room and the indoor enrichment of sun is discharged through brine discharge tube road 15,；
(3) in decomposition of hydrate tank 11, mutually agitated device 6 stirs fully decomposition acquisition to hydrate slurry at normal temperatures and pressures
Desalination water and water insoluble hydrating agents, desalination water enter fresh water collecting tank, the hydration of collection by desalination water transfer pipeline 17
Agent is mixed by the second hydrating agents transfer pipeline 16 with the blended valve 4 of hydrating agents conveyed by the first hydrating agents transfer pipeline 2
Afterwards, hydrate is generated with seawater again into hydrate generation tank, is thusly-formed a desalinization circulation technology.
Method above to desalination of sea water by hydrate method under a kind of electric field action for providing of the present invention and realize this method
Device is described in detail, and specific case used herein is set forth to the principle and embodiment of the present invention,
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention, it is noted that for this technology
For the technical staff in field, under the premise without departing from the principles of the invention, some improvement can also be carried out to the present invention and are repaiied
Decorations, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of method of desalination of sea water by hydrate method under electric field action, it is characterised in that comprise the following steps：
(1) after the clarified pretreatment of seawater, container is generated by sea water supply Pipeline transport to hydrate through the first centrifugal pump, together
When hydrating agents hydrate delivered into by the first hydrating agents transfer pipeline through pressure-reducing valve and mixing valve by hydration agent container generated
Container；
(2) extra electric field is provided with hydrate generation container, seawater and hydrating agents are thoroughly mixed, seawater and hydrating agents
The remaining cation formed in solid-state hydrate, seawater and anion are reacted under DC Electric Field respectively in positive room and the moon
Room is enriched with；The salt solution of cloudy room and the indoor enrichment of sun is discharged through brine discharge tube road, and hydrate slurry passes through water through the second centrifugal pump
Compound slurry phase output pipe enters decomposition of hydrate container；
(3) in decomposition of hydrate container, mutually agitated abundant decompose of hydrate slurry obtains desalination water and water insoluble hydration
Agent, desalination water enters fresh water collecting container by desalination water transfer pipeline, and the hydrating agents of collection pass through the second hydrating agents delivery pipe
After road is mixed with the blended valve of hydrating agents conveyed by the first hydrating agents transfer pipeline, generate and hold into the hydrate
Device generates hydrate with seawater again, is thusly-formed a desalinization circulation technology.
2. the method for desalination of sea water by hydrate method under electric field action according to claim 1, it is characterised in that step (1)
Described in hydrating agents be selected from CO2Or C3H8。
3. the method for desalination of sea water by hydrate method under electric field action according to claim 1, it is characterised in that step (2)
Described in cation include Na+、Ca2+、Mg2+Or K+At least one of, the anion includes Cl-、SO4 2-Or HCO3 -In
It is at least one.
4. the method for desalination of sea water by hydrate method under electric field action according to claim 1, it is characterised in that described additional
Electric field is dc source electric field, and the voltage of the dc source electric field is 1~110V.
5. the method for desalination of sea water by hydrate method under electric field action according to claim 4, it is characterised in that described additional
The voltage of electric field is 1~36V.
6. a kind of device for realizing the method for desalination of sea water by hydrate method under electric field action described in claim 1, it is characterised in that
Including seawater input module, hydrating agents supplying module, hydrate generation module, decomposition of hydrate module, fresh water collecting module and
External electric field module, the hydrate generation module includes hydrate and generates container and hydrate slurry phase output pipe, the hydration
Thing generation container top is provided with hydrating agents entrance, and the hydrating agents supplying module includes hydration agent container and the first hydrating agents are defeated
Pipeline is sent, the hydrating agents container top is provided with hydrating agents outlet, and the hydrating agents outlet passes through with the hydrating agents entrance
First hydrating agents transfer pipeline is connected, and seawater input port, the seawater input module are provided with the hydrate generation container
Including seawater depositing reservoir and sea water supply pipeline, seawater passes through sea water supply pipeline and the seawater after the seawater depositing reservoir
Input port is connected；Hydrate slurry phase delivery outlet, the decomposition of hydrate module bag are additionally provided with the hydrate generation container
Include and be provided with hydrate slurry on decomposition of hydrate container and the second hydrating agents transfer pipeline, the decomposition of hydrate container and mutually input
Mouthful, the hydrate slurry phase delivery outlet is connected by hydrate slurry phase output pipe with the hydrate slurry phase input port, described
Decomposition of hydrate container top is provided with hydrating agents delivery outlet, the hydrating agents delivery outlet by the second hydrating agents transfer pipeline with
Mixing valve connection in the first hydrating agents transfer pipeline, the fresh water collecting module includes desalination water transfer pipeline and fresh water
Fresh water in collection vessel, the decomposition of hydrate container by the desalination water transfer pipeline in fresh water collecting module with it is described light
Water collecting container is connected；The external electric field module includes dc source and the negative electrode being connected with the dc source by wire
Plate and positive electricity pole plate, the positive electricity pole plate and the negative electricity pole plate are arranged inside the hydrate generation container, the dispatch from foreign news agency
Field module provides steady electric field to hydrate generation container.
7. the device of the method for desalination of sea water by hydrate method under electric field action is realized according to claim 6, it is characterised in that
The hydrate generation module also includes the brine discharge tube road for the salt solution discharge for being enriched with hydrate process.
8. the device of the method for desalination of sea water by hydrate method under electric field action is realized according to claim 6, it is characterised in that
The hydrate generation container is high pressure resistant reactor, and the kettle inner chamber is divided into the moon by cloudy room dividing plate and positive room dividing plate
Room, hydrate phase room and positive room, the seawater and the hydrating agents react under DC Electric Field in the hydration phase room
Form hydrate.
9. the device of the method for desalination of sea water by hydrate method under electric field action is realized according to claim 8, it is characterised in that
0.1~1mm micropore is provided with the positive room dividing plate and the cloudy room dividing plate.
10. realizing the device of the method for desalination of sea water by hydrate method under electric field action according to claim 9, its feature exists
In the material of the positive room dividing plate and the cloudy room dividing plate is polytetrafluoroethylene (PTFE).
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333238A (en) * | 2020-03-06 | 2020-06-26 | 中国石油大学(华东) | Method for desalinating sea water |
| CN113272253A (en) * | 2018-10-15 | 2021-08-17 | 爱尔兰国家大学都柏林学院 | System and method for treating biogas and wastewater |
| WO2023240663A1 (en) * | 2022-06-15 | 2023-12-21 | 大连理工大学 | Electric-field-based co2 capture apparatus and method using hydrate method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003111A1 (en) * | 1999-07-12 | 2002-01-10 | Marine Desalination Systems, L.L.C. | Hydrate desalination or water purification |
| CN102219267A (en) * | 2011-04-07 | 2011-10-19 | 青岛海洋地质研究所 | Experimental device for seawater desalination by gas hydrate method |
| CN102784604A (en) * | 2012-07-24 | 2012-11-21 | 华南理工大学 | Promoter for generation of gas hydrate, and preparation method and application thereof |
| CN203866061U (en) * | 2014-05-26 | 2014-10-08 | 上海理工大学 | Hydrate sea water desalinating system adopting CO2 compression-type mode refrigerating cycle |
-
2016
- 2016-10-25 CN CN201610939989.1A patent/CN107055706B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003111A1 (en) * | 1999-07-12 | 2002-01-10 | Marine Desalination Systems, L.L.C. | Hydrate desalination or water purification |
| CN102219267A (en) * | 2011-04-07 | 2011-10-19 | 青岛海洋地质研究所 | Experimental device for seawater desalination by gas hydrate method |
| CN102784604A (en) * | 2012-07-24 | 2012-11-21 | 华南理工大学 | Promoter for generation of gas hydrate, and preparation method and application thereof |
| CN203866061U (en) * | 2014-05-26 | 2014-10-08 | 上海理工大学 | Hydrate sea water desalinating system adopting CO2 compression-type mode refrigerating cycle |
Non-Patent Citations (2)
| Title |
|---|
| 任宏波等: "水合物法海水淡化技术应用进展", 《海洋地质前沿》 * |
| 周诗岽等: "天然气水合物生成促进因素的研究进展", 《石油化工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113272253A (en) * | 2018-10-15 | 2021-08-17 | 爱尔兰国家大学都柏林学院 | System and method for treating biogas and wastewater |
| CN111333238A (en) * | 2020-03-06 | 2020-06-26 | 中国石油大学(华东) | Method for desalinating sea water |
| WO2023240663A1 (en) * | 2022-06-15 | 2023-12-21 | 大连理工大学 | Electric-field-based co2 capture apparatus and method using hydrate method |
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