CN108046447A - A kind of desalination plant based on tide energy - Google Patents
A kind of desalination plant based on tide energy Download PDFInfo
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- CN108046447A CN108046447A CN201711154035.0A CN201711154035A CN108046447A CN 108046447 A CN108046447 A CN 108046447A CN 201711154035 A CN201711154035 A CN 201711154035A CN 108046447 A CN108046447 A CN 108046447A
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- water
- tide
- desalination
- seawater
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
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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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- 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
- Y02A20/138—Water desalination using renewable energy
- Y02A20/144—Wave energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Oceanography (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of desalination plants based on tide energy, including tide cumulative mechanism and sea water desalination mechanism, tide cumulative mechanism includes tide energy switching mechanism, and tide energy switching mechanism is connected with seawater boost device, and the output terminal of seawater boost device is connected to sea water desalination mechanism；Tide energy switching mechanism includes tide amplitude transformer, and the output shaft end of tide amplitude transformer is connected with axial converter, and the other end of axial converter is connected to seawater boost device；Seawater boost device includes booster water feeding tank, supercharging babinet eases up and rushes babinet, and supercharging babinet is connected to buffer box body by aqueduct；The water outlet of buffer box body is connected with water regulating valve, and the output terminal of water regulating valve connects sea water desalination mechanism by conduit.The present invention takes full advantage of the tide energy of seawater, is directly realized sea water desalination operation, capacity usage ratio is high, and whole device safety and stability, high conversion efficiency, clean environment firendly is pollution-free.
Description
Technical field
The present invention relates to new energy apparatus fields, are specially a kind of desalination plant based on tide energy.
Background technology
Tide energy refers to generate due to the gravitation and the earth of the Sun and the Moon and the rotation of the earth-moon system of moon composition
Centrifugal force, the two collective effect and so that the water level potential energy that the continuous mechanical periodicity of ocean water level is formed is poor.Tide energy is by people
The ocean energy that class utilizes earliest, the earliest report on tidal energy utilization that can be found is probably 1000 Christian eras.Profit earliest
There are Britain, France and Spain etc. with the country of tide energy.Tide energy is that technology is most ripe in marine energy and utilizes scale most
A kind of big regenerative resource.Ocean energy has the characteristics that intermittent and randomness, with the ocean energies such as wind energy on the sea and wave energy
Source is compared, and tide energy has the advantage of very predictable.Tide energy is that one kind does not consume fuel, no pollution, from flood
It is influenced with low water, the inexhaustible renewable sources of energy, in various marine energies, the utilization of tide energy are the most existing
It is real, easy.Tide energy is mainly used for generating electricity at present, has more tidal power stations in the world and puts into commercial operation, there are many more tides
Nighttide power station is just in planning construction.
Ocean energy sea water desalination refers to exploitation of marine energy and sea water desalination being coupled so that ocean energy is held completely or partially
Carry on a shoulder pole the required energy of sea water desalination.Ocean energy sea water desalination is maximum for other regenerative resource sea water desalinations
Advantage be that its energy and raw material are all from ocean, so may be such that the efficiency of whole system can be greatly improved.
In desalination technology, investment is small, construction period is short, equipment and operation are simple with it for Reverse-osmosis Seawater Desalination Technology
It the advantages that single, easily controllable and large-scale use, have developed rapidly in the past 20 years, by unremitting effort, reverse osmosis technology also takes
Obtained the progress to attract people's attention.Tide energy reverse osmosis seawater desalting refers to using tide energy certain supercharging device being driven to generate
High pressure sea water, the high pressure sea water of generation carry out sea water desalination, preparing fresh by reverse osmosis membrane assembly.It is that ocean energy seawater is light
One kind of change, principle are exactly by certain energy conversion device so that tide energy can fully or partially undertake reverse osmosis
The required energy of saturating sea water desalination.But related tide energy reverse osmosis seawater desalting research, up to now still without too big
It breaks through.
A kind of seawater desalination system based on tide energy of Publication No. 105800712A, disclosed system structure include living
Plug device further includes babinet, distillation water collecting groove, cooling water tank, drive link and floating body, the piston apparatus and is located in babinet,
One end of the piston rod and drive link connects, and the other end of the drive link is connected with floating body, and the babinet is additionally provided with seawater
Entrance, the babinet top are also equipped with distillation water collecting groove by hollow pipe, and the cooling water tank is mounted on distillation water collecting groove
Top.The device, as energizing, realizes sea water desalination using the way of distillation, realizes tool to a certain extent by using tide energy
There is the environmentally protective seawater desalination system based on tide energy.But in the invention, it is to utilize steaming in the operation of sea water desalination
Method progress is evaporated, not only energy consumption is big but also desalination efficiency is low, while it is piston cylinder to promote floating body merely with tide energy in the apparatus
Distillation is realized in acting fever, and utilization rate is low.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of desalination plant based on tide energy, this
Invention takes full advantage of the tide energy of seawater, and being directly realized sea water desalination using hyperfiltration operates, and capacity usage ratio is high, whole
A safe and stable arrangement, high conversion efficiency, clean environment firendly are pollution-free.
The technical solution adopted by the present invention to solve the technical problems is：A kind of desalination plant based on tide energy,
Including tide cumulative mechanism and sea water desalination mechanism, the tide cumulative mechanism includes tide energy switching mechanism, the tide energy
Switching mechanism is connected with seawater boost device, and the output terminal of the seawater boost device is connected to sea water desalination mechanism；The tide
Nighttide energy converter structure includes tide amplitude transformer, and the irrigating gate of the tide amplitude transformer is connected with high water tank by aqueduct, institute
The water inlet for stating high water tank is equipped with inlet valve, and the inlet valve is connected to tiding mouth by aqueduct；The tide
Nighttide amplitude transformer is for assembling tide seawater, and the output shaft end of tide amplitude transformer is connected with axial converter, and the axial direction turns
Parallel operation is connected to seawater boost device for changing shaft work direction and rotating speed, the other end of axial converter；
The seawater boost device includes booster water feeding tank, supercharging babinet eases up and rushes babinet, the booster water feeding tank
The water outlet of tide amplitude transformer is connected to by conduit, for storing the low pressure seawater of tide amplitude transformer output, booster supplies water
Case exports low pressure seawater and is horizontally fixed with high-pressure booster, the high-pressure booster to babinet, the supercharging box house is pressurized
Water inlet by conduit be pressurized babinet water outlet be connected, the water outlet of high-pressure booster is connected with pressure release by conduit
Valve, the relief valve is embedded in the lower surface of supercharging babinet, and the other end of relief valve is connected to buffer box body by aqueduct；
The water outlet of the buffer box body is connected with water regulating valve, and the output terminal of the water regulating valve is light by conduit connection seawater
Change mechanism；
The sea water desalination mechanism includes desalination water tank, and the water inlet of the desalination water tank passes through conduit and water regulating valve
Be connected, desalinate water tank inside be installed with sea-water reverse osmose desalination membrane module and filter, the sea-water reverse osmose it is light
Change membrane module to be vertically fixed on inside desalination water tank, and desalination water tank is divided into two independent spaces, the filter
Infiltration arrival end mounted on sea-water reverse osmose desalination membrane module tentatively filters for carrying out seawater, the water outlet of the desalination water tank
Water outlet butterfly valve is inlaid at mouthful.
As a kind of preferred technical solution of the present invention, the tide amplitude transformer includes sealing minor air cell, the sealing whirlpool
Flow chamber is made of stainless steel, and seals and fairing member is inlaid on the inside of minor air cell, and the fairing member shares
Three, fairing member forms the opposite spiral type structure of bottom centre, and is equipped with whirlpool at the bottom centre of sealing minor air cell
Impeller blade, the bottom side of the sealing minor air cell are also equipped with drainpipe, and the drainpipe is connected to booster water feeding tank
Water inlet.
As a kind of preferred technical solution of the present invention, the turbo blade is total to three pieces, the blade screw side of turbo blade
To upward, and blade end is connected on the set axis at center, and draft tube, the tail are socketed in the set axis of the turbo blade
Water pipe is made of high voltage bearing PVC hollow tube, and the upper end outer surface of draft tube and rear surface are both provided with standard thread, tail
Water pipe top is connected with the center axis rotation at turbo blade center, and the end of draft tube is socketed with output revolving shaft, and the output turns
The other end of axis is connected by connecting flange with axial converter.
As a kind of preferred technical solution of the present invention, the axial direction converter includes vertical transition axis and horizontal conveyor
Axis, the vertical transition axis is L-shaped, and wherein vertical end is connected with output revolving shaft spiral, and horizontal ends are connected with coupling wheel group,
The coupling wheel group includes driving gear and driven gear, and the driving gear is socketed in vertical transition shaft end, it is described from
Moving gear is socketed on horizontal drive shaft.
As a kind of preferred technical solution of the present invention, the high-pressure booster includes the sealing pump housing, the sealing pump housing
Sealing structure is made of stainless steel, pump housing shell is in cylindrical tube shape structure broad in the middle small in ends, and seals the pump housing
Inside is equipped with pump shaft, and the pump shaft is made of solid steel, and pump shaft is vertically-mounted, and the top of pump shaft, which is worn, connects canned pump
The upper surface of outer cover of body, the pump shaft top being pierced by are connected with horizontal conveyor the tip of the axis by shaft coupling, and pump the tip of the axis
Spiral is connected with supercharging impeller.
As a kind of preferred technical solution of the present invention, the increasing for having circular ring shape is dug in the top shell of the sealing pump housing
The mouth of a river is pressed into, the supercharging water inlet is centered around the outer surface of pump shaft, and the internal radius for being pressurized water inlet is more than the diameter of pump shaft,
The supercharging water inlet is connected by double-layer tube with the water outlet of booster water feeding tank, and is pressurized inside water inlet also close edge
Embedded with sealing valve, the sealing valve is one-way seal valve, and sealing valve is closely embedded in supercharging water inlet with sealing the shell of the pump housing
Between.
As a kind of preferred technical solution of the present invention, the buffer box body is made of stainless steel, the top of buffer box body
Portion is cylindrical shape sealing structure in back-off funnel-form, lower section, and the water inlet of the buffer box body is connected to relief valve by conduit
Output terminal, the water outlet of the buffer box body is arranged on the bottom of box, and the water outlet of buffer box body be equipped with pressure from
Movable valve, the water outlet of the pressure automatic valve are connected to water regulating valve by conduit.
As a kind of preferred technical solution of the present invention, the sea-water reverse osmose desalination membrane module includes film fixed frame, institute
It states film fixed frame to be made of PVC composite materials, the size of film fixed frame is consistent with the inside length, width and height for desalinating water tank, and film is solid
Determine to dig on frame and have threaded locating hole, the threaded locating hole is spacedly distributed on the edge of film fixed frame.
As a kind of preferred technical solution of the present invention, the film fixed frame altogether there are three, between each two film fixed frame
Two layers of reverse osmosis membrane is accompanied, the reverse osmosis membrane employs compound super with electrostatic spinning nano fiber/microfine cellulose nanofiber
Filter membrane is nanofiber composite nanometer filtering film prepared by base material.
As a kind of preferred technical solution of the present invention, the filter includes filtering mesh screen and adsorption filter layer, described
Filtering mesh screen is woven into fine and closely woven steel wire using stainless steel wire and is made, and steel wire outer surface is coated with anticorrosive paint, filtering
Mesh screen, which is embedded on front side of adsorption filter layer, is used to implement mechanical filter, and the adsorption filter layer uses organic composite porous material system
Straticulation, is evenly distributed with miniature hole on thin layer, and filling bamboo charcoal and organic adsorption material are used to implement and ensured public security in hole
Filter.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention is by setting tide cumulative mechanism, in tide energy switching mechanism, utilizes the realization pair of tide amplitude transformer
The cumulative of tide seawater and conversion operation of the tide energy to mechanical energy is realized, while also achieved seawater introducing device,
Convenient for subsequently carrying out sea water desalination processing operation；By setting seawater boost device, high-pressure booster is fixed using babinet is pressurized,
High-pressure booster operation power is provided by foregoing tide energy switching mechanism, realizes seawater pressurized operation, is provided again without outside
Other power, clean environment firendly；
(2) present invention sets filter, using double-filtration by setting sea water desalination mechanism in sea water desalination mechanism
Combination carries out the pretreatment of sea water desalination, effectively prevents sludge etc. from blocking pipeline, and effectively protects reverse osmosis membrane assembly
It is without damage, the water quality to desalinize seawater is improved, also allows for carrying out device cleaning；Using height in sea-water reverse osmose desalinates membrane module
The new reverse osmosis membrane of flux improves seawater transfer efficiency；
(3) axial converter is socketed in the present invention on the output revolving shaft of tide amplitude transformer, using disposing transition axis and water
Moving axis of flating pass realizes that the direction of shaft work changes, and speed is realized using the coupling of driving gear and driven gear in coupling wheel group
Match somebody with somebody, improve the stability of tide energy output mechanical energy, being allowed to mechanical energy can directly utilize without reconvert into electric energy, carry
High energy transmission efficiency；The present invention also adds buffer box body between seawater boost device and desalination water tank so that from height
The high pressure sea water of pressure booster pump output obtains certain buffering, and is unlikely to impact quickly in desalination water tank, avoid by
In the excessive caused inwelling of pressure or to the excessive damage brought of the pressure of reverse osmosis membrane assembly；
In conclusion the present invention takes full advantage of the tide energy of seawater, sea water desalination operation, energy utilization are directly realized
Rate is high, and whole device safety and stability, high conversion efficiency, clean environment firendly is pollution-free.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 desalinates membrane module structure schematic diagram for sea-water reverse osmose of the present invention；
Fig. 3 is tide amplitude transformer external structure schematic diagram of the present invention；
Fig. 4 is tide amplitude transformer top view of the present invention；
Fig. 5 is output revolving shaft structure diagram of the present invention；
Fig. 6 is high-pressure booster internal structure schematic diagram.
Figure label is：
1- tide cumulatives mechanism；2- sea water desalinations mechanism；3- tide energy switching mechanisms；4- seawater boost devices；
201- desalinates water tank；202- sea-water reverse osmoses desalinate membrane module；203- filters；204- water outlet butterfly valves；205- films
Fixed frame；206- reverse osmosis membranes；207- filters mesh screen；208- adsorption filter layers；209- threaded locating holes；
301- tide amplitude transformers；302- high water tanks；303- inlet valves；304- axial direction converters；305- driven gears；
306- seals minor air cell；307- turbo blades；308- draft tubes；309- output revolving shafts；310- fairing members；311- vertically passings
Cross axis；312- horizontal drive shafts；313- coupling wheel groups；314- driving gears；315- drainpipes；
401- booster water feeding tanks；402- is pressurized babinet；403- buffer box bodies；404- high-pressure boosters；405- relief valves；
406- water regulating valves；407- seals the pump housing；408- pressure automatic valves；409- pump shafts；410- supercharging impellers；411- shaft couplings
Device；412- is pressurized water inlet；413- sealing valves.
Specific embodiment
As shown in Figure 1, a kind of desalination plant based on tide energy, including tide cumulative mechanism 1 and desalinator for seawater
Structure 2, the tide cumulative mechanism 1 are used to implement to assemble tide energy and convert, and it is anti-that the sea water desalination mechanism 2 is used to implement seawater
Osmosis desalination operates, and the tide cumulative mechanism 1 includes tide energy switching mechanism 3, and the tide energy switching mechanism 3 is connected with sea
Water supercharging device 4, the output terminal of the seawater boost device 4 are connected to sea water desalination mechanism 2；The tide energy switching mechanism 3
For collecting seawater and seawer tide energy, and tide energy is directly changed into mechanical energy, exported to seawater boost device 4,
Seawater boost device 4 is pressurizeed seawater, using the mechanical energy of 3 output of tide energy switching mechanism after the seawater is pressurized
High pressure water flow is formed, high pressure water flow improves sea water desalination efficiency by sea water desalination mechanism 2.
It should be noted that the tide energy switching mechanism 3 includes tide amplitude transformer 301, tide amplitude transformer 301 is used to gather
Collect tide energy, the irrigating gate of the tide amplitude transformer 301 is connected with high water tank 302, the high water tank 302 by aqueduct
Water inlet inlet valve 303 is installed, the inlet valve 303 is connected to tiding mouth, the inlet valve by aqueduct
303 are turned on and off as needed, and inlet valve 303 is opened during high tide, and flood tide seawater is poured in high water tank 302,
Tide amplitude transformer 301 is flowed into after being cached in high water tank 302, increases gravitional force in tide energy, further improves power
Source；The output shaft end of the tide amplitude transformer 301 is connected with axial converter 304, and the axial direction converter 304 is for changing axis
Work(direction and rotating speed, the other end of axial converter 304 are connected to seawater boost device 4.
As shown in Figure 3 and Figure 4, the tide amplitude transformer 301 includes sealing minor air cell 306, and the sealing minor air cell 306 is adopted
It is made of stainless steel material, seals and fairing member 310 is inlaid on the inside of minor air cell 306, the fairing member 310 is common
There are three, fairing member 310 forms the opposite spiral type structure of bottom centre, and at the bottom centre of sealing minor air cell 306
Turbo blade 307 is installed, the turbo blade 307 is total to three pieces, the blade screw direction of turbo blade 307 upward, and blade
End is connected on the set axis at center, and tide seawater is flowed out from high water tank 302, since high-order drop further improves water
Stream energy, current are from top water inlet falling impacts to the inner wall fairing member 310 for sealing minor air cell 306, due to streamline
Type baffle 310 forms helical structure, effectively reduces the resistance in impact process and contributes to the generation of spiral water flow, generation
For spiral water flow falling impacts on turbo blade 307, turbo blade 307 starts high-speed rotation under the impact energetically of current, from
And tidal potential is converted to mechanical energy.
As shown in figure 4, being socketed with draft tube 308 in the set axis of the turbo blade 307, the draft tube 308 is using resistance to
The PVC hollow tube of high pressure is made, and the upper end outer surface of draft tube 308 and rear surface are both provided with standard thread, draft tube 308
Top is connected with the center axis rotation at 307 center of turbo blade, and the end of draft tube 308 is socketed with output revolving shaft 309, described defeated
The other end for going out shaft 309 is connected by connecting flange with axial converter 304, when turbo blade 307 is in tide seawater
Under impact during high-speed rotation, while 308 high-speed rotation of draft tube at center is driven, 308 high-speed rotation of draft tube generates axis
Work(, and vacuum state can be formed inside draft tube 308, reduce resistance during turbo blade rotation, improve tide energy conversion
Efficiency；The shaft work that draft tube 308 generates is exported by output revolving shaft 309 to axial converter 304.
As shown in Figure 1 and Figure 5, the axial converter 304 includes vertical transition axis 311 and horizontal drive shaft 312, described
Vertical transition axis 311 is L-shaped, and wherein vertical end is connected with 309 spiral of output revolving shaft, and horizontal ends are connected with coupling wheel group
313, the coupling wheel group 313 includes driving gear 314 and driven gear 305, and the driving gear 314 is socketed in vertically passing
311 end of axis is crossed, the driven gear 305 is socketed on horizontal drive shaft 312；Since the shaft work of tide amplitude transformer 301 exports
The shaft work input direction of direction and seawater boost device 4 is not arranged on the same straight line, in addition, tide amplitude transformer 301 and sea
4 rated speed of water supercharging device is also different, and speed cannot be matched directly, described to need to increase axial converter 304 to carry out axis
Work(direction is converted, while also carries out speeds match；The vertical transition axis 311 converts the shaft work of vertical direction horizontally
Shaft work, the shaft work that horizontal drive shaft 312 is used to implement horizontal direction transfer, and the coupling wheel group 313 is used to implement rotating ratio
Example conversion, the wherein gear ratio of driving gear 314 and driven gear 305 are equal to tide amplitude transformer 301 and seawater boost device 4
The inverse of speed ratio is transferred by the rotation of driving gear 314 and driven gear 305, realizes the speed of axial 304 both sides of converter
Spend matching problem.
The bottom side of the sealing minor air cell 306 is also equipped with drainpipe 315, and the drainpipe 315 is connected to supercharging
The water inlet of device water feeding tank 401 is flowing into booster water supply by the seawater of tide amplitude transformer 301 after turbo blade 307
Case 401 carries out pressurized operation, so that subsequent sea water desalination uses.
The seawater boost device 4 includes booster water feeding tank 401, supercharging babinet 402 and buffer box body 403, the increasing
Depressor water feeding tank 401 is connected to the water outlet of tide amplitude transformer 301 by conduit, for storing the output of tide amplitude transformer 301
Low pressure seawater, to ensure that it is sufficient that subsequent sea water desalination operation is supplied water；The booster water feeding tank 401 exports low pressure seawater to increasing
Babinet 402 is pressed, the supercharging babinet 402 is made of high pressure resistant material, has powerful voltage endurance capability and good leakproofness
Energy；Supercharging 402 inner horizontal of babinet is fixed with high-pressure booster 404, and the high-pressure booster 404 is used to implement seawater and adds
Press operation.
It further illustrates, the high-pressure booster 404 includes the sealing pump housing 407, and the sealing pump housing 407 is not using
Sealing structure is made in rust Steel material, and pump housing shell is in cylindrical tube shape structure broad in the middle small in ends, effectively reduces single unit system
Volume, while also help realization pressurized operation；Dug in the top shell of the sealing pump housing 407 have the supercharging of circular ring shape into
The mouth of a river 412, the supercharging water inlet 412 are centered around the outer surface of pump shaft 409, and the internal radius of supercharging water inlet 412 is more than pump
The diameter of axis 409, the supercharging water inlet 412 is connected by double-layer tube with the water outlet of booster water feeding tank 401, and is pressurized
412 inside of water inlet is also closely inlaid with sealing valve 413, and the sealing valve 413 is one-way seal valve, and sealing valve 413 is closely inlayed
Between the shell of supercharging water inlet 412 and the sealing pump housing 407, using one-way seal valve 413 seawater can be caused unidirectionally to flow
It is logical, it prevents pressurised seawater from pouring in down a chimney, booster water feeding tank 401 is caused to bear.
As shown in fig. 6, the inside of the sealing pump housing 407 is equipped with pump shaft 409, the pump shaft 409 uses solid steel
It is made, and pump shaft 409 is vertically-mounted, the upper surface of outer cover for connecing the sealing pump housing 407, the pump shaft being pierced by are worn in the top of pump shaft 409
409 tops are connected with the end of horizontal drive shaft 312 by shaft coupling 411, and the terminal helix of pump shaft 409 is connected with supercharging
Impeller 410；The radial direction work(that tide amplitude transformer 301 exports is converted into axial direction by the horizontal drive shaft 312 in axial converter 304
After work(, and after coupling wheel group 313 realizes speeds match, the shaft work of output drives pump shaft 409 to start by shaft coupling 411
High-speed rotation drives supercharging impeller 410 to rotate while 409 high-speed rotation of pump shaft, and the shape of the supercharging impeller 410 is complicated
Ternary curved surface ultra-thin-wall impeller blade, generally have 12~30 leaves, in radial line curved arrangement, vane thickness is at 0.5 millimeter
Hereinafter, it is made using aluminium of integrated pouring molding technology, the water inlet of the high-pressure booster 404 passes through conduit and supercharging
The water outlet of babinet 402 is connected, and introduces seawater to be pressurized, and when 410 rotating speed of supercharging impeller is faster, enters the sealing pump housing
Water flow inside 407 is more, and hydraulic pressure is increasing, and then realizes turbo charged purpose, final output high pressure sea water.
The water outlet of the high-pressure booster 404 is connected with relief valve 405 by conduit, and the relief valve 405 is embedded in
The lower surface of babinet 402 is pressurized, and the other end of relief valve 405 is connected to buffer box body 403, the relief valve by aqueduct
405 when sealing 407 internal pressure of the pump housing is excessive, i.e., when pressure reaches the max-thresholds that relief valve 405 can bear, in pressure
Under the action of automatically open and release a part of seawater to realize pressure discharge operations, prevent pressure is excessive from causing high-pressure booster 404 quick-fried
It splits；The water outlet of the buffer box body 403 is connected with water regulating valve 406, and the output terminal of the water regulating valve 406 is by leading
Pipe connection sea water desalination mechanism 2, it is normal in pressure, it can be with the openings of sizes of regulating pondage regulating valve 406, with adjustment
The amount of storage of the seawater exported from high-pressure booster 404.
The buffer box body 403 is made of stainless steel, and in back-off funnel-form, lower section is circle at the top of buffer box body 403
Shaped seals structure, the water inlet of the buffer box body 403 are connected to the output terminal of relief valve 405, the buffering by conduit
The water outlet of babinet 403 is arranged on the bottom of box, and the water outlet of buffer box body 403 is equipped with pressure automatic valve 408, institute
The water outlet for stating pressure automatic valve 408 is connected to water regulating valve 406 by conduit, due to 404 water outlet of high-pressure booster
Place, the pressure of seawater is very big, and on the other hand, tide amplitude transformer 301 selects plunger-type structure, then exit high pressure sea water
Pressure might have fluctuation, therefore for the ease of safety test, also for the pressure of seawater can be made to become steady, this embodiment party
Formula has installed buffer box body 403 additional in the water outlet of supercharging babinet 402, and installs pressure in the water outlet of buffer box body 403
Power automatic valve 408, when seawater pressure increases to certain value, pressure automatic valve 408 can automatically turn on, and discharge a part
High pressure sea water makes in babinet seawater pressure stabilization be unlikely to the phenomenon that pressure moment increase occur in a certain particular value；It installs additional slow
It is to set a pressure buffer region to high pressure sea water to rush 403 main function of babinet, can be to avoid the instantaneous pulsation of seawater pressure
To the damage that reverse osmosis membrane assembly is brought, the quality of freshwater product is improved.
The sea water desalination mechanism 2 includes desalination water tank 201, and the water inlet of the desalination water tank 201 passes through conduit and water
Adjustable valve 406 is connected, and the high pressure sea water exported from seawater boost device 4 is stepped into inside desalination water tank 201, described
The inside of desalination water tank 201 is installed with sea-water reverse osmose desalination membrane module 202 and filter 203, wherein sea-water reverse osmose
Desalination membrane module 202 for carrying out sea-water reverse osmose fading operations, and filter 203 be then used for carry out desalination by reverse osmosis it
Before, preliminary filter operation is carried out to seawater.
During reverse osmosis seawater desalting, pretreatment is a very crucial step, it can ensure that counter-infiltration system is long
Phase safe and stable operation.By pretreatment, turbidity of sea water can be reduced, prevent bacterium, microorganism from growing, ensure effluent quality.
If influent quality is poor, producing water ratio will reduce, therefore have to carry out in advance before seawater enters reverse osmosis membrane assembly
Processing.The sea-water reverse osmose desalination membrane module 202 is vertically fixed on inside desalination water tank 201, and desalination water tank 201 is divided
Two independent spaces are cut into, the infiltration arrival end that the filter 203 is mounted on sea-water reverse osmose desalination membrane module 202 is used for
It carries out seawater tentatively to filter, the filter 203 includes filtering mesh screen 207 and adsorption filter layer 208, the filtering mesh screen 207
Fine and closely woven steel wire is woven into using stainless steel wire to be made, and steel wire outer surface, coated with anticorrosive paint, filtering mesh screen 207 is inlayed
Mechanical filter is used to implement embedded in 208 front side of adsorption filter layer, the adsorption filter layer 208 uses organic composite porous material system
Straticulation, is evenly distributed with miniature hole on thin layer, and filling bamboo charcoal and organic adsorption material are used to implement and ensured public security in hole
Filter.Mechanical filter is first order filtering, can efficiently remove suspended matter in water body, colloid, silt, clay, humus,
The impurity such as grain object, reduce the turbidity of water, reach the clear purpose of water quality；Security personnel's filtering is also referred to as secondary filter, is mostly used in machinery
After filtering, it is reverse osmosis wait membrane filtrations before, for filter out the subtitle substance after mechanical filter (such as small quartz sand,
Active carbon particle etc.) with ensure water filtration precision and protect film filtering element from large particulate matter damage.
As depicted in figs. 1 and 2, the sea-water reverse osmose desalination membrane module 202 includes film fixed frame 205, and the film is fixed
Frame 205 is made of PVC composite materials, and the size of film fixed frame 205 is consistent with the inside length, width and height for desalinating water tank 201, film
Being dug on fixed frame 205 has threaded locating hole 209, and the threaded locating hole 209 is spacedly distributed at the edge of film fixed frame 205
On, the threaded locating hole 209 on the film fixed frame 205, which is used to wear, connects dismounting and peace that fixed thread realizes film fixed frame 205
Dress, is easy to implement the update of device.There are three the film fixed frame 205 is common, two layers is accompanied between each two film fixed frame 205 instead
Permeable membrane 206；The water outlet of the desalination water tank 201 is inlaid with water outlet butterfly valve 204, and water outlet butterfly valve 204 is final for controlling
The desalination water of output is using the advantages of butterfly valve：Butterfly valve has that simple in structure, small, light-weight, switch is rapid, can
The advantages such as 90 ° of reciprocating rotatings, regulation performance be good select butterfly valve can be by controlling the aperture of butterfly valve come water above and below arbitrary adjusting
Flow.
The principle of reverse osmosis seawater desalting is under the action of higher than solution osmotic pressure, and half cannot be penetrated according to other substances
Permeable membrane and these substances and water are separated.The membrane aperture of reverse osmosis membrane is very small, therefore can effectively go in water removal
The systems such as dissolved salts, colloid, microorganism, organic matter have water quality is good, energy consumption is low, pollution-free, simple for process, easy to operate etc.
Advantage；The reverse osmosis membrane 206 used here is employed with electrostatic spinning nano fiber/microfine cellulose nanofiber Compound Ultrafiltration
Film is nanofiber composite nanometer filtering film prepared by base material；The reverse osmosis membrane 206, will be super by adjusting reaction condition and reaction process
Fine cellulose nanofiber is introduced into the filter layer of NF membrane, so as to effectively increase the water flux of the film.Result of study table
It is bright, in the filtering of the magnesium sulfate solution of 2000ppm, compared with traditional commerce film (NF270 of such as Dow), keeping retaining
In the case that rate (97.5%) is constant, which can be increased to 2 times or more, so as to substantially increase sea-water reverse osmose
Transfer efficiency.
The specifically used mode and step of present embodiment：
(1) tide cumulative is converted：Tide seawater is introduced in high water tank 302 and is kept in, after work is proceeded by, tide
Nighttide seawater is fallen into from high water tank 302 into tide amplitude transformer 301, and tide amplitude transformer 301 is started to work, and is converted tidal energy into
Mechanical shaft work output；
(2) tide seawater boost：The seawater discharged from tide amplitude transformer 301 is entered in seawater boost device 4, simultaneously
Axial converter 304 realizes the conversion of shaft work direction and rate-matched, and high-pressure booster 404 is driven to carry out pressurized operation to seawater；
(3) sea water desalination operates：Seawater after pressurization enters to sea water desalination mechanism 2, in the pressure of high pressure sea water itself
Under effect, filter 203 and sea-water reverse osmose desalination membrane module 202 are passed sequentially through, filter 203 is pre- for carrying out sea water desalination
Processing removes the impurity in seawater and improves the seawer quality after desalination, and sea-water reverse osmose desalination membrane module 202 utilizes reverse osmosis original
Reason and new reverse osmosis membrane realize efficient sea water desalination processing.
Claims (10)
1. a kind of desalination plant based on tide energy, special including tide cumulative mechanism (1) and sea water desalination mechanism (2)
Sign is：The tide cumulative mechanism (1) includes tide energy switching mechanism (3), and tide energy switching mechanism (3) is connected with seawater increasing
Pressure device (4), the output terminal of seawater boost device (4) are connected to sea water desalination mechanism (2)；The tide energy switching mechanism (3)
Including tide amplitude transformer (301), the irrigating gate of the tide amplitude transformer (301) is connected with high water tank (302) by aqueduct,
The water inlet of the high water tank (302) is equipped with inlet valve (303), and the inlet valve (303) is connected to by aqueduct
Tiding mouth；The tide amplitude transformer (301) is used to assemble tide seawater, and the output shaft end of tide amplitude transformer (301)
Axial converter (304) is connected with, the other end of axial converter (304) is connected to seawater boost device (4)；
The seawater boost device (4) includes booster water feeding tank (401), supercharging babinet (402) and buffer box body (403), increases
Depressor water feeding tank (401) is connected to the water outlet of tide amplitude transformer (301) by conduit, and booster water feeding tank (401) output is low
Pressure seawater is fixed with high-pressure booster (404), high-pressure booster (404) to babinet (402) is pressurized inside supercharging babinet (402)
Water inlet by conduit with supercharging babinet (402) water outlet be connected, the water outlet of high-pressure booster (404) is connected by conduit
Relief valve (405) is connected to, relief valve (405) is embedded in supercharging babinet (402) lower surface, and the other end of relief valve (405) leads to
It crosses aqueduct and is connected to buffer box body (403)；The water outlet of buffer box body (403) is connected with water regulating valve (406), water tune
The output terminal for saving valve (406) connects sea water desalination mechanism (2) by conduit；
The sea water desalination mechanism (2) includes desalination water tank (201), and the water inlet of desalination water tank (201) passes through conduit and water
Regulating valve (406) is connected, and the inside of desalination water tank (201) is installed with sea-water reverse osmose desalination membrane module (202) and mistake
Filter (203), sea-water reverse osmose desalination membrane module (202) is vertically fixed on desalination water tank (201) inside, and will desalinate water tank
(201) two independent spaces are divided into.
2. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The tide cumulative
Device (301) includes sealing minor air cell (306), and sealing minor air cell (306) is made of stainless steel, and seals minor air cell
(306) fairing member (310) is inlaid on inside, the fairing member (310) shares three, fairing member
(310) the opposite spiral type structure of bottom centre is formed, and turbo blade is installed at the bottom centre of sealing minor air cell (306)
(307), the bottom side of sealing minor air cell (306) is also equipped with drainpipe (315), and the drainpipe (315) is connected to
The water inlet of booster water feeding tank (401).
3. a kind of desalination plant based on tide energy according to claim 2, it is characterised in that：The turbo blade
(307) three pieces altogether, upward, and blade end is connected on the set axis at center, institute in the blade screw direction of turbo blade (307)
It states and draft tube (308) is socketed in the set axis of turbo blade (307), the draft tube (308) uses high voltage bearing PVC hollow tube
It is made, the upper end outer surface of draft tube (308) and rear surface are both provided with standard thread, draft tube (308) top and turbine
The center axis rotation connection at blade (307) center, the end of draft tube (308) are socketed with output revolving shaft (309), and the output turns
The other end of axis (309) is connected by connecting flange with axial converter (304).
4. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The axial conversion
Device (304) includes vertical transition axis (311) and horizontal drive shaft (312), and the vertical transition axis (311) is L-shaped, wherein hanging down
Straight end is connected with output revolving shaft (309) spiral, and horizontal ends are connected with coupling wheel group (313), coupling wheel group (313) bag
Driving gear (314) and driven gear (305) are included, the driving gear (314) is socketed in vertical transition axis (311) end, institute
Driven gear (305) is stated to be socketed on horizontal drive shaft (312).
5. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The high pressure supercharging
Pumping (404) includes the sealing pump housing (407), and the sealing pump housing (407) is made of stainless steel sealing structure, pump housing shell
In cylindrical tube shape structure broad in the middle small in ends, and the inside for sealing the pump housing (407) is equipped with pump shaft (409), the pump shaft
(409) it is made of solid steel, and pump shaft (409) is vertically-mounted, the top of pump shaft (409), which is worn, connects the sealing pump housing (407)
Upper surface of outer cover, the pump shaft being pierced by (409) top is connected with the end of horizontal drive shaft (312) by shaft coupling (411),
And the terminal helix of pump shaft (409) is connected with supercharging impeller (410).
6. a kind of desalination plant based on tide energy according to claim 5, it is characterised in that：The sealing pump housing
(407) the supercharging water inlet (412) for having circular ring shape is dug in top shell, the supercharging water inlet (412) is centered around pump shaft
(409) outer surface, the internal radius of supercharging water inlet (412) are more than the diameter of pump shaft (409), the supercharging water inlet
(412) it is connected by double-layer tube with the water outlet of booster water feeding tank (401), and it is internal also close to be pressurized water inlet (412)
Sealing valve (413) is inlaid with, the sealing valve (413) is one-way seal valve, and sealing valve (413) is closely embedded in supercharging water inlet
(412) between the shell of the sealing pump housing (407).
7. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The buffer box body
(403) it is made of stainless steel, in back-off funnel-form, lower section is cylindrical shape sealing structure, described at the top of buffer box body (403)
The water inlet of buffer box body (403) is connected to the output terminal of relief valve (405) by conduit, and buffer box body (403) go out
The mouth of a river is arranged on the bottom of box, and the water outlet of buffer box body (403) is equipped with pressure automatic valve (408), the pressure
The water outlet of automatic valve (408) is connected to water regulating valve (406) by conduit.
8. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The seawater reverse osmosis
Desalination membrane module (202) includes film fixed frame (205) thoroughly, and the film fixed frame (205) is made of PVC composite materials, and film is solid
It is consistent with the inside length, width and height for desalinating water tank (201) to determine the size of frame (205), being dug on film fixed frame (205) has screw thread to determine
Position hole (209), the threaded locating hole (209) are spacedly distributed on the edge of film fixed frame (205).
9. a kind of desalination plant based on tide energy according to claim 8, it is characterised in that：The film fixed frame
(205) there are three altogether, two layers of reverse osmosis membrane (206), the reverse osmosis membrane (206) are accompanied between each two film fixed frame (205)
It employs and is received using electrostatic spinning nano fiber/microfine cellulose nanofiber composite hyperfiltration membrane as nanofiber prepared by base material is compound
Filter membrane.
10. a kind of desalination plant based on tide energy according to claim 1, it is characterised in that：The filter
(203) filtering mesh screen (207) and adsorption filter layer (208) are included, the filtering mesh screen (207) is woven into carefully using stainless steel wire
Close steel wire is made, and steel wire outer surface, coated with anticorrosive paint, filtering mesh screen (207) is embedded in adsorption filter layer
(208) front side is used to implement mechanical filter, and thin layer is made using organic composite porous material in the adsorption filter layer (208), thin
Miniature hole is evenly distributed on layer, bamboo charcoal is filled in hole and organic adsorption material is used to implement security personnel's filtering.
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| CN201711154035.0A CN108046447B (en) | 2017-11-20 | 2017-11-20 | Seawater desalination device based on tidal energy |
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| CN108775271A (en) * | 2018-05-24 | 2018-11-09 | 王学彦 | A kind of tide water generating seawater filtering device |
| CN108911226A (en) * | 2018-09-26 | 2018-11-30 | 大连君方科技有限公司 | A kind of efficient sea water desalting equipment and method |
| CN109058028A (en) * | 2018-08-06 | 2018-12-21 | 郭淑华 | A kind of new energy sea water filter power generator |
| CN110255732A (en) * | 2019-06-17 | 2019-09-20 | 南京理工大学 | A kind of energy-efficient separation of solid and liquid purification device |
| CN110374165A (en) * | 2019-06-21 | 2019-10-25 | 瞿亚虎 | A kind of nuclear power station water process intake control set for adjusting |
| CN112169595A (en) * | 2019-07-02 | 2021-01-05 | 广东海洋大学深圳研究院 | Voltage-stabilizing pilot type integral shunt for energy-gathering supercharging device |
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| CN110374165A (en) * | 2019-06-21 | 2019-10-25 | 瞿亚虎 | A kind of nuclear power station water process intake control set for adjusting |
| CN112169595A (en) * | 2019-07-02 | 2021-01-05 | 广东海洋大学深圳研究院 | Voltage-stabilizing pilot type integral shunt for energy-gathering supercharging device |
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