CN105753104A - System and technology for carrying out sea water desalination and generating at same time by utilizing geothermal resource - Google Patents
System and technology for carrying out sea water desalination and generating at same time by utilizing geothermal resource Download PDFInfo
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- CN105753104A CN105753104A CN201610224548.3A CN201610224548A CN105753104A CN 105753104 A CN105753104 A CN 105753104A CN 201610224548 A CN201610224548 A CN 201610224548A CN 105753104 A CN105753104 A CN 105753104A
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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
- C02F1/44—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
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G3/00—Other motors, e.g. gravity or inertia motors
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a system and technology for carrying out sea water desalination and generating at the same time by utilizing a geothermal resource. The system comprises a sea water taking unit, a raw water pre-treatment unit arranged below sea level, a geothermal heat removing unit as well as a raw water replenishing unit, a reverse osmosis unit, a fresh water lifting unit and a hydraulic generating unit which keep appropriate head fall with the raw water pre-treatment unit, wherein a water diversion pipeline of the hydraulic generating unit is communicated with the sea water taking unit, a tail water pipeline of the hydraulic generating unit is respectively communicated with the raw water replenishing unit and the fresh water lifting unit; the geothermal heat removing unit respectively outputs heat energy to the raw water replenishing unit and the fresh water lifting unit by virtue of a heating pipeline; after sea water is treated by the raw water pre-treatment unit, generating is carried out firstly by virtue of water potential energy, then pressure of tail water after generating is supplemented by the raw water replenishing unit, the sea water is subjected to reverse osmosis desalination, then raw water is separated into fresh water and strong brine, geothermal heat energy-water potential energy-electric energy conversion is realized, and the social problems of scare fresh water and lack of low-carbon generating at present are solved.
Description
Technical field
The invention belongs to desalinization and geothermal energy and water potential energy application, utilize particularly to one
Geothermal energy resources carry out desalinization and the system of generating and technique thereof simultaneously.
Background technology
Current international and domestic desalinization is broadly divided into the way of distillation (full-boiled process) and reverse osmosis (embrane method) two
Big class, concrete desalination technology plants more than more than 20, including multistage flash evaporation, low-temperature multi-effect, reverse osmosis,
Electrodialysis, pressure steam distillation, dew point evaporation, water-electricity cogeneration, hotting mask coproduction and utilize nuclear energy, the sun
Energy, wind energy, tide energy, water column potential energy desalination technology etc..
Through semicentennial development, define with multistage flash evaporation, multi-effect distilling and reverse osmosis as main flow
Industrial technology.From the point of view of from area, Middle East Gulf states will with multistage flash evaporation as first-selection because
It has maximization and large (single device aquifer yield the most up to daily output fresh water 40,000～50,000
Ton), adapt to pollute the bay water of weight and the low advantage of pretreatment expense；But it is regional beyond the Middle East
With hyperfiltration as first-selection.
Different method for desalting seawater is adapted to different geography and weather and water quality and other industry of periphery
The condition feature of facility, but common method for desalting seawater, either full-boiled process or embrane method, rely on single
The Technical comparing of pure a kind of energy is many, is required for expending a large amount of fuel or electric energy, and cost is the highest.
But for generation mode, mostly the hydraulic power generation technology of current popular is to block water by construction dam
Generating, and thermal power generation is also by converting heat energy into the mechanical energy that can externally do work, then by machinery
Can be converted to kinetic energy, conversion efficiency is the highest.
Summary of the invention
The present invention solves the heat energy in desalinization and fresh water lifting process present in known technology
Or the technical problem that power consumption is big, it is provided that one utilizes geothermal energy resources to carry out desalinization simultaneously
With system and the technique thereof of generating, it utilizes the Geothermal Conditions in coastal cities, at reverse osmosis seawater desalting
During a large amount of introduce geothermal energy clean energy resourcies, it is possible to use the combination skyscraper of on-fuel non-electricity
Natural water column potential energy with deep-well, it is achieved desalinization, promote and generate electricity, replaces common by consumption
The method that expense electric power or consumption fuel carry out desalinization.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
On the one hand, the invention provides and a kind of utilize geothermal energy resources to carry out desalinization and generating simultaneously
System, including sea water water intaking unit, be positioned at the treating nature water unit of b.s.l., underground heat takes heat
Unit, and have the former water moisturizing unit of applicable head fall, reverse osmosis with described treating nature water unit
Unit, fresh water lift unit and hydroelectric generation unit thoroughly, described sea water water intaking unit passes through raw water
Treating nature water unit described in pipeline entrance；The conduit pipe of described hydroelectric generation unit and described sea
Water water intaking unit connection, the tail water pipeline of described hydroelectric generation unit respectively with described former water moisturizing unit,
Fresh water lift unit is connected；
Described underground heat takes hot cell and promotes to described former water moisturizing unit and fresh water respectively by adding hot channel
Unit output heat energy；
Described former water moisturizing unit includes that former coolant-temperature gage regulation tank, temperature difference drive former water water replanishing device,
The water inlet of described former coolant-temperature gage regulation tank and described tail water pipeline communication, and by adding hot channel and institute
State underground heat and take hot cell connection, for the former water entered in described former coolant-temperature gage regulation tank after generating
Carry out temperature regulation；Described temperature difference drive former water water replanishing device respectively with described reverse osmosis units and former
The outlet of coolant-temperature gage regulation tank connects, for being supplemented to by the former water in described former coolant-temperature gage regulation tank
In described reverse osmosis units；
Described reverse osmosis units, for former water is carried out desalination by reverse osmosis, isolates fresh water after reverse osmosis
And strong brine, described strong brine is defeated by strong brine conveyance conduit by the overbottom pressure of described reverse osmosis units
Deliver to ground；
Described fresh water lift unit include the fresh-water tank that connects with described reverse osmosis units and with described fresh water
Temperature difference that case is connected drives fresh water lifting device, described underground heat take hot cell by add hot channel to
Described temperature difference drives fresh water lifting device output heat energy, and described temperature difference drives fresh water lifting device to lead to
Cross on the ground that the fresh water in described fresh-water tank is delivered to be located above sea level by fresh water conveyance conduit.
Described system also includes underground power house, deep-well structure and skyscraper, described former water moisturizing unit,
Reverse osmosis units, fresh water lift unit and hydroelectric generation unit are positioned at described underground power house, described deeply
One end of well construction connects with described underground power house, and its other end extends on described skyscraper, described
Strong brine conveyance conduit and fresh water conveyance conduit are extended in described deep-well structure by described underground power house, and
Fresh water and strong brine are delivered in described skyscraper.
Also setting up one in described system utilizes water column to keep the pressurizer of pressure, described pressurizer bag
Include the water column pipe well being positioned in deep-well structure and the pressurize buffer gear being positioned in described underground power house, institute
State the pressurize buffer gear original water inlet end respectively with described water column pipe well and reverse osmosis units to connect.
Described pressurize buffer gear includes a cylinder body and is positioned at the piston of cylinder interior, the two of described cylinder body
End original water inlet end with described water column pipe well and reverse osmosis units respectively connects.
Described temperature difference drives former water water replanishing device and temperature difference to drive fresh water lifting device to include one respectively
Circulating-heating room, circulating cooling room, temperature difference phase transformation promote room and transmission pump；
Described circulating-heating room promotes room with described fresh-water tank and temperature difference phase transformation respectively and is connected, described in follow
Be provided with in the chamber of ring heating chamber take with described underground heat that hot cell is connected add hot channel, described circulation
Heating chamber connects with described fresh-water tank；
Described circulating cooling room and described tail water pipeline communication, be provided with in its chamber and described temperature difference phase transformation
Promoting the cooling line that room is connected, described cooling line connects with described fresh-water tank；
Described temperature difference phase transformation promotes room and includes circulating chamber and phase transformation driving cylinder, in described phase transformation driving cylinder
Being provided with a piston, described phase transformation driving cylinder is divided into fresh water to promote room and Working fluid phase changing room by described piston,
It is indoor that described Working fluid phase changing room is positioned at described torus, and described fresh water promotes and is respectively provided with one and institute on room
State water inlet and an outlet being connected with described fresh water conveyance conduit that fresh-water tank connects；
Described transmission pump is for by hot water in described circulating-heating room and the cold water in described circulating cooling room
In alternate transport extremely described circulation chamber, described phase transformation driving cylinder is made to drive fresh water to promote.
Described underground heat takes hot cell and includes that underground heat recharge well, underground heat take hot well, geothermal source, geothermal heating
Well, underground heat moisturizing pipeline and underground heat heat removing tube road, described geothermal heating well location is in the rock of described geothermal source
In Ceng, described underground heat moisturizing pipeline connects with described underground heat recharge well, described underground heat recharge well and described
Underground heat takes hot well and connects with described geothermal heating well respectively, and described underground heat heat removing tube road adds with described underground heat
Hot well connects；Described circulating-heating room and lower water temperature tank are respectively by adding hot channel and described underground heat
Heat removing tube road is connected.
Described underground heat takes and is additionally provided with heat storage box in hot cell and the underground heat that is connected with described heat storage box should
With user, described heat storage box is connected with described geothermal heating well by described underground heat heat removing tube road, described
Underground heat heat removing tube road connects with described heat storage box.
Described geothermal source is dry-hot-rock geothermal source, and described geothermal heating well is positioned horizontally in dry-hot-rock geothermal
In source.
Described treating nature water unit includes that the water-retention regulating reservoir being sequentially connected in series setting in upper-lower position is with just
Step pretreatment unit, micro-filtration, ultrafiltration apparatus, cartridge filter, flow by gravity sea water water-supply-pipe
Road, described water-retention regulating reservoir is positioned at the lower section of described sea water water intaking unit, and it passes through raw water pipeline
It is connected with described sea water water intaking unit, described water-retention regulating reservoir is additionally provided with chemicals dosing plant.
On the other hand, present invention also offers one utilizes geothermal energy resources carry out desalinization simultaneously and send out
The technique of electricity, described processing step is as follows: by sea water water intaking unit, sea water is introduced treating nature water list
Unit, removes antibacterial, float, colloid, free chlorine in sea water；Former water after processing introduces and arranges
Hydroelectric generation unit in have the underground power house of certain height of water with sea level, turns former water potential energy
It is changed to electric energy；Former water after generating enters in former coolant-temperature gage regulation tank, in former coolant-temperature gage regulation tank
Introduce underground heat heat energy and former water is carried out homoiothermic process；Former water after homoiothermic drives former water to mend by temperature difference
Water device injects reverse osmosis units, carries out the separation of reverse osmosis freshwater and strong brine, and fresh water passes through temperature
Difference drives fresh water lifting device to be exported ground by fresh water conveyance conduit, for fresh water user, strong brine
The overbottom pressure relying on reverse osmosis units is delivered to ground by strong brine conveyance conduit.
Described sea water is flowed into, in flow by gravity mode, the former water being vertically arranged by conveyance conduit and locates in advance
In reason unit, sea water conveying pipelines can be pipeline or tunnel.
The former coolant-temperature gage in former coolant-temperature gage regulation tank after homoiothermic is 20-30 DEG C.
Strong brine therein is delivered to ground through strong brine conveyance conduit, and carries out salt manufacturing or/and artificial temperature
The construction of spring formula Dead Sea project.
Deep-well construction and underground power house simultaneously as the deep foundation of skyscraper, save skyscraper
Capital construction expense, achieves many things at one stroke.
The present invention has the advantage that with good effect:
The present invention builds desalinization and deep-well, high-rise and utilize strong brine carry out artificial extremely
Sea tourism development, generating etc. combines, and has both possessed some functions of development of real estate, has also possessed and send out
The function of electricity, also has tourism development function；The deep-well built both can be used to keep water column potential energy,
The quite firm deep foundation of skyscraper can also be utilized as, decrease the foundation construction of skyscraper
Expense, achieves many things at one stroke, and not only takes full advantage of the low-carbon (LC) new forms of energy such as geothermal energy, water potential energy, the most fully
Make use of strong brine to carry out tourism development, not only expand the Land use systems of new forms of energy, carrying of innovation
Go out to utilize geothermal energy and sea water potential energy to carry out the comprehensive utilization of cogeneration and desalinization, saved
A large amount of fuel energies, go out substantial amounts of fresh water with low-cost production, provide a large amount of electric power, solve at present
Fresh water is in short supply and lacks the social problem that low-carbon (LC) generates electricity, and changes fresh water in the world and day by day lacks and electric power confession
Answer not enough situation, improve the water supply condition of water-deficient area, improve the living standard of the people, moreover it is possible to
By fresh water with relatively low cost water delivery to water-deficient area farther out, the present invention not only can produce huge society
Meeting benefit, it is also possible to produce huge economic benefit, social development and living standards of the people will be carried
Height, has profound significance and impact.
Relative to common reverse osmosis seawater desalting method, the present invention can be manufactured into by fresh-water-saving in a large number
Originally the following aspects it is mainly reflected in:
A takes sea water by flow by gravity, it is not necessary to again with the former water of pump extracting seawater, in salt rejection rate 40%
In the case of, it is only necessary to conveying accounts for the fresh water of former water volume 40%, thus saves sea water extraction cost.
Being realized by flow by gravity of B sea water preprocessing flow process, the pressure of pretreatment ultra-filtration process also utilizes
Natural Water column pressure, saves pretreatment cost.
C utilizes skyscraper to combine deep-well to carry out reverse osmosis seawater desalting and utilize geothermal energy to carry out moisturizing
The design treatment in accordance with local conditions promoted with fresh water, makes full use of low-carbon (LC) new forms of energy, it is not necessary to extra is anti-with electric pump
Infiltration pressurization, saves a large amount of electric energy.Be enough to supply desalinization and Yuan Shui in the geothermal energy that can provide utilization
When supplementing the required energy consumed, utilize geothermal energy and sea water potential energy to combine and carry out generating electricity and sea water
Desalination processes, and increases the comprehensive utilization of generating and sea water.
D utilizes temperature difference to drive former water water replanishing device supplement former water and utilize temperature difference to drive fresh water to promote
Device promotes fresh water, saves water pump investment cost and water pump running cost；
E is by proposing strong brine Land use systems after new desalination, for hot-spring type artificial dead-sea tourism development,
Revenue source increases, and income level improves.
The investment of F skyscraper can be obtained by office building/apartment/hotel that sale is developed accordingly
Investment repayment, the most additionally strengthens the water producing cost of fresh water, moreover it is possible to increase income.
Accompanying drawing explanation
Fig. 1 is desalinization provided by the present invention and generating process flow block diagram；
Fig. 2 is one desalinization of the present invention and electricity generation system horizontal layout schematic diagram；
Fig. 3 is that the structure of the fresh water lift unit in Fig. 2 arranges schematic diagram；
Fig. 4 is treating nature water cell schematics provided by the present invention；
Fig. 5 is that the underground heat in Fig. 2 takes hot cell structural representation；
Fig. 6 is that the temperature difference in Fig. 2 drives the structure of former water moisturizing unit to arrange schematic diagram.
In figure:
1-sea water water intaking unit；
2-treating nature water unit, 21-water-retention regulating reservoir, the preliminary pretreatment unit of 22-, 23-microfiltration fills
Put, 24-ultrafiltration apparatus, 25-cartridge filter, 26-flow by gravity sea water aqueduct, 27-dosing
Device；
3-underground heat takes hot cell, 31-underground heat recharge well, and 32-underground heat takes hot well, 33-geothermal source, 34-
Geothermal heating well, 35-underground heat moisturizing pipeline, 36-underground heat heat removing tube road, 37-heat storage box, 38-underground heat
Application user；
4-former water moisturizing unit, 41-former coolant-temperature gage regulation tank, 42-temperature difference drives former water water replanishing device；
5-reverse osmosis units；
6-fresh water lift unit, 61-fresh-water tank, 62-temperature difference drives fresh water lifting device；
7-raw water pipeline；8-adds hot channel；9-strong brine conveyance conduit；10-fresh water conveyance conduit；
20-pressurizer, 201-water column pipe well, 202-pressurize buffer gear, 2021-cylinder body, 2022-
Piston；
301-circulating-heating room, 302-circulating cooling room, 303-temperature difference phase transformation promotes room, and 3031-circulates
Chamber, 3032-phase transformation driving cylinder, 30321-fresh water promotes room, 30322-Working fluid phase changing room, 3033-
Piston；
40-cooling line；50-fresh water user；60-salt-water applications project；70-fresh water storage tank；80-stores up
Hot tank；90-geothermal applications user；100-check valve；101-stop valve；102-generator unit；103-
Conduit pipe；104-tail water pipeline；105-underground power house；106-deep-well structure；107-skyscraper.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example
It is described as follows:
Shown in Fig. 1 and Fig. 2, the invention provides one and utilize geothermal energy resources to carry out sea water simultaneously
Desalination and the system of generating, including sea water water intaking unit 1, be positioned at the treating nature water list of b.s.l.
Unit 2, underground heat take hot cell 3, and are arranged at and have the former water moisturizing list of certain height of water with sea level
Unit 4, reverse osmosis units 5, hydroelectric generation unit 102 and fresh water lift unit 6, sea water takes through sea water
Water unit 1 enters treating nature water unit 2 through raw water pipeline 7, remove the antibacterial in the former water of sea water,
Float, colloid and free chlorine；The conduit pipe 103 of hydroelectric generation unit 102 is single with sea water water intaking
Unit 1 connection, the tail water pipeline 104 of hydroelectric generation unit 102 respectively with former water moisturizing unit 4, fresh water
Lift unit 6 is connected；Underground heat therein takes hot cell 3 by adding hot channel 8 to former water moisturizing list
Unit 4 and fresh water lift unit 6 export heat energy；
Former water moisturizing unit 4 specifically includes former coolant-temperature gage regulation tank 41, temperature difference drives former water moisturizing dress
Putting 42, the water inlet of former coolant-temperature gage regulation tank 41 connects with tail water pipeline 104, and by adding hot channel
8 take hot cell 3 with underground heat is connected, for generating after enter former coolant-temperature gage regulation tank 41 in former
Water carries out temperature regulation；Temperature difference drive former water water replanishing device 42 respectively with reverse osmosis units 5 and Yuan Shui
The outlet of temperature regulation tank 41 connects, for being supplemented to by the former water in former coolant-temperature gage regulation tank 41
Described reverse osmosis units 5 carries out reverse osmosis freshwater process；
Reverse osmosis units 5 therein, for former water is carried out desalination by reverse osmosis, is isolated after reverse osmosis
Fresh water and strong brine, strong brine relies on the overbottom pressure of reverse osmosis units 5 to be carried by strong brine conveyance conduit 9
To ground, carry out the exploitation of salt-water applications project 60, such as extract salinity therein for salt making enterprises,
Can also utilize strong brine exploitation is hot-spring type artificial dead-sea, may be used for health preserving and protect after adding Chinese medicine
It is good for.
Fresh water lift unit 6 therein includes fresh-water tank 61 and and the fresh water connected with reverse osmosis units 5
The temperature difference that case 61 is connected drives fresh water lifting device 62, and underground heat takes hot cell 3 by adding hot channel
8 drive fresh water lifting device 62 to export heat energy to temperature difference, will be through reverse osmosis units 5 reverse-osmosis treated
After fresh water be delivered on the ground that is located above sea level by fresh water conveyance conduit 10, and be delivered to
In the fresh water storage tank 70 of high-rise, use for fresh water user 50.
The present invention takes sea water by flow by gravity, it is not necessary to the former water of extracting seawater, in the feelings of salt rejection rate 40%
Under condition, it is only necessary to conveying accounts for the fresh water of former water volume 40%, thus saves sea water extraction cost, is used
Treating nature water unit be to be realized by flow by gravity, as shown in Figure 4, pretreatment ultra-filtration process
Pressure also utilizes Natural Water column pressure, saves pretreatment cost；By utilizing skyscraper to combine deep-well
Carry out reverse osmosis seawater desalting, and utilize geothermal energy to carry out moisturizing and the design treatment in accordance with local conditions of fresh water lifting,
Make full use of low-carbon (LC) new forms of energy, it is not necessary to extra electric pump is reverse osmosis pressurization, saves a large amount of electric energy, attached
All pipelines in Fig. 1-6 are equipped with check valve 100 or the stop valve 101 controlling former taps, it is achieved
Carry out power generation with sea water simultaneously and desalinization processes.
As in figure 2 it is shown, this system also includes underground power house 105, deep-well structure 106 and skyscraper
107, former water moisturizing unit 4, reverse osmosis units 5, fresh water lift unit 6 and hydroelectric generation unit 102
In Factory Building 105 located underground, one end of deep-well structure 106 connects with underground power house 105, its another
End extends on skyscraper 107, and strong brine conveyance conduit 9 and fresh water conveyance conduit 10 are by underground power house
105 extend in deep-well structure 106, and fresh water and strong brine are delivered in skyscraper 107.So
Deep-well construction and underground power house simultaneously as the deep foundation of skyscraper, save the basis of skyscraper
Construction cost, achieves many things at one stroke, meanwhile, also by means of skyscraper, deep-well structure, underground power house
Structure is created water potential energy condition and is combined with geothermal energy and carries out desalinization and generating.
In order to make reverse osmosis units 5 be in a preferable working pressure conditions, also set up in systems
Water column is utilized to keep the pressurizer 20 of pressure, as it is shown in figure 5, pressurizer 20 includes being positioned at deep
Water column pipe well 201 in well construction and the pressurize buffer gear 202 in Factory Building located underground 105, pressurize
Buffer gear 202 connects with the original water inlet end of water column pipe well 201 and reverse osmosis units 5 respectively.?
Water column pipe well 201 injects water, pressurize buffer gear 202 therein respectively with water column pipe well 201, anti-
Permeation unit 5 connects.Pressurize buffer gear 202 of the present invention is preferably piston cylinder operator,
Other can certainly be used to utilize water column potential energy to keep the head of pressure, specifically include a cylinder body
2021 and be positioned at the piston 2022 within cylinder body 2021, the two ends of cylinder body 2021 respectively with water column pipe well
201 connect with reverse osmosis units 5, when temperature difference drives the driving pressure that provided of former water water replanishing device not
When stablizing, can rely on piston 2022 moves left and right the osmotic pressure adjusting reverse osmosis units 5, energy
Amount loss is little, more brief and practical.
As shown in Figure 6, temperature difference drives fresh water lift unit 6 such as Fig. 3 to former water moisturizing unit 4 therein
Shown in, both includes that a circulating-heating room 301, circulating cooling room 302, temperature difference phase transformation promote room 303
And transmission pump；Circulating-heating room 301 promotes room 303 with fresh-water tank 61 and temperature difference phase transformation and is connected, its
Take hot cell 3 with underground heat and be connected by adding hot channel 8 in chamber, be used for circulating-heating room 301
Interior fresh water heating；
Circulating cooling room 302 therein connects with raw water pipeline 7, is provided with and the temperature difference in its chamber
Phase transformation promotes the cooling line 40 that room 303 is connected, and cooling line 40 connects with fresh-water tank 61；
Temperature difference phase transformation therein promotes room 303 and includes circulating chamber 3031 and phase transformation driving cylinder 3032, phase
Being provided with a piston 3033 in becoming driving cylinder 3032, phase transformation driving cylinder 3032 is divided into fresh water by piston 3033
Promoting room 30321 and Working fluid phase changing room 30322, Working fluid phase changing room 30322 is positioned at circulation chamber 3031
In, fresh water promotes and is respectively provided with a water inlet being connected with fresh-water tank 61 and one and fresh water on room 30321
The outlet that conveyance conduit 10 is connected, the fresh water infiltrated by reverse osmosis units passes through fresh water
Water inlet on case 61 enters, and carries out on-off control by the check valve 100 on water inlet and outlet,
Realization order water inlet and water outlet.
Transmission pump therein is for by the fresh water after heated in circulating-heating room 301 and circulating cooling room
CFW alternate transport in 302, to circulating in chamber 3031, makes phase transformation driving cylinder 3032 drive fresh water
Promote.In terms of temperature difference drives former water moisturizing, by geothermal heating unit, sea water is carried out temperature tune
Joint, is adjusted such that reverse osmosis membrane has the temperature range (20 DEG C-30 DEG C) of relatively equipment with high desalinization, this temperature
Difference drives former water water replanishing device the sea water with certain pressure can be added to utilize water column potential energy to be protected
Hold and under the pressure environment of pressure (the suitable services pressure 5Mpa-7Mpa of reverse osmosis membrane), carry out reverse osmosis sea
Water is desalinated.
In terms of fresh water lifting, it is possible to use Working fluid phase changing room is alternately carried out by circulating hot water and cooling water
Rise gentleness cooling, make the conversion between material generation gaseous state and the liquid in Working fluid phase changing room, promote and live
Plug acting, it is achieved fresh water promotes the lifting of fresh water in room, it is achieved that the conversion of heat energy to water potential energy.
Concrete temperature difference driving principle is: promote by hot water and cold water alternately input temperature difference phase transformation
In the middle of room so that and special working medium in Working fluid phase changing room (working medium as special in certain at 45 DEG C, 6Mpa pressure
Under, gaseous state can be become, but at 20 DEG C, under 6Mpa, just can become liquid) alternately occur gas phase and
The change of liquid phase externally drives piston, mainly comprises two processes:
1) the special working medium in Working fluid phase changing room becomes gaseous state when circulating chamber input hot water, the most swollen
Swollen acting, drives piston, and meanwhile, water feeding one-way valve is closed, and goes out water one-way valve and opens, phase transformation is driven
Hydraulic pressure in dynamic cylinder enters in another one pressure environment, completes moisturizing or promotes work；
2) the special working medium in Working fluid phase changing room becomes liquid when circulating chamber input cold water, and piston returns
Falling, meanwhile, water outlet closed check valve, water feeding one-way valve is opened, by phase transformation driving cylinder other side
Without in pressure or the relatively low water sucker chamber of pressure；
3) repetitive process 1), 2), the extrusion of continuous recirculated water and suction process；Realize the temperature difference and drive benefit
Water or the temperature difference drive persistently carrying out of fresh water lifting.
Circulating hot water can be heated to 45 DEG C-65 DEG C by obtaining underground heat, with the room temperature sea of northern China
Water (cold state: winter, 4.4 DEG C；Intermediate state: spring and autumn 7 DEG C-17 DEG C, high temperature state: 17 DEG C-26 DEG C)
Between have temperature difference, this temperature difference can complete to mend by the phase transformation of special working medium for externally acting
Water or fresh water lifting work；
Underground heat therein takes hot cell 3 as it is shown in figure 5, include that underground heat recharge well 31, underground heat take hot well
32, geothermal source 33, geothermal heating well 34, underground heat moisturizing pipeline 35, underground heat heat removing tube road 36, storage
Hot tank 37 and geothermal applications user 38, geothermal heating well 34 is positioned in the rock stratum of geothermal source 33, underground heat
Moisturizing pipeline 35 connects with underground heat recharge well 31, is added entering underground heat by the rock stratum in geothermal source 33
Former water in hot well heats, underground heat recharge well 31 and underground heat take hot well 32 respectively with geothermal heating
Well 34 connects, and the two ends in underground heat heat removing tube road 36 connect with geothermal heating well 34, heat storage box 37 respectively,
Geothermal applications user 38 connects with heat storage box 37 respectively；Circulating-heating room 301 and the regulation of former coolant-temperature gage
Tank 21 is connected with underground heat heat removing tube road 36 respectively.Currently preferred geothermal source 33 is xeothermic underground heat
Rock, geothermal heating well 34 level is preferably located in xeothermic underground heat rock.
It addition, treating nature water unit 2 provided by the present invention includes being sequentially connected in series in upper-lower position setting
The water-retention regulating reservoir 21 put and preliminary pretreatment unit 22, micro-filtration 23, ultrafiltration apparatus 24,
Cartridge filter 25, flow by gravity sea water aqueduct 26, water-retention regulating reservoir 21 is positioned at sea water water intaking
The lower section of unit 1, it is connected by raw water pipeline 7 and sea water water intaking unit 1, water-retention regulation
Chemicals dosing plant 27 it is additionally provided with on pond 21.The integral arrangement for the treatment of nature water unit is vertical, Ke Yichong
Divide and utilize the pressure of nature water column to carry out filtering work, remove the antibacterial in the former water of sea water, colloid and hang
Float and be unfavorable for the free chlorine etc. that reverse osmosis membrane works, this seawater pretreatment system being vertically arranged
Natural Water column pressure can be made full use of and carry out pretreatment, reduce power consumption.
Present invention also offers and utilize geothermal energy resources to carry out desalinization and the technique of generating process simultaneously,
Processing step is as follows: by sea water water intaking unit, sea water is introduced treating nature water unit, removes in sea water
Antibacterial, float, colloid, free chlorine；Former water after processing introduces hydroelectric generation unit, by former
Water potential energy is converted to electric energy；Former water after generating enters in former coolant-temperature gage regulation tank, at former coolant-temperature gage
Regulation tank introduces underground heat heat energy former water is carried out homoiothermic process；Former water after homoiothermic is driven by temperature difference
Dynamic former water water replanishing device injects reverse osmosis units, carries out the separation of fresh water and strong brine, and fresh water is by temperature
Degree difference drives fresh water lifting device to be exported ground by fresh water conveyance conduit, for fresh water user, dense salt
Water relies on the overbottom pressure of reverse osmosis units to be delivered to ground by strong brine conveyance conduit.Sea water therein passes through
Conveyance conduit is flowed in flow by gravity mode in the treating nature water unit being vertically arranged, and sea water carries
Pipeline can be pipeline or tunnel.
The present invention is to combine skyscraper and deep-well utilizes the desalinization of water column potential energy and geothermal energy and sends out
Electricity comprehensive exploitation system is integrated, and certain the adjacent inland city in city and this city freshwater resources that border on the sea is the most deficient
Weary, this port city is on the verge of certain ocean, possess 120-160 at subsurface degree of depth 3000-4000 rice in the east
The Geothermal Conditions of degree, and normal temperature seawater (cold state: winter, 4.4 DEG C；Intermediate state: spring and autumn 7 DEG C-17 DEG C,
High temperature state: 17 DEG C-26 DEG C；Seawater quality is preferable, is suitable for utilizing reverse osmosis membrane to carry out reverse osmosis sea water light
Change.
Such as: certain port city plans to build combination skyscraper and the deep-well profit setting 1,000,000 tons of fresh water of daily output
By water column potential energy and the desalinization of geothermal energy and generating and the demonstration project of comprehensive exploitation system factory,
The pressure 60MPa's intending utilizing the deep-well of 300 meters of high skyscrapers and 300 meters to form 600 meters high
Water column, sea water intake is positioned at the minimum b.s.l. of offshore 3 kilometers 2 meters, marine by laying
Sea water is directed at the sea water preprocessing collecting-tank at deep-well by flow by gravity by pipeline and construction tunnel,
Utilize low water column pressure, flow through, by flow by gravity sea water aqueduct, the treating nature water being vertically arranged
Unit carries out microfiltration ultrafiltration pretreatment respectively, and pretreated sea water is transported to be positioned at b.s.l.
First pass through hydroelectric generation unit in the underground power house of 300 meters to generate electricity, then carried out by reverse osmosis units
Desalinization, the water in water column pipe well is until building top, and water column is high 600 meters, in order to keep
Pressure required for reverse osmosis, and drive former water water replanishing device constantly will adjust through excess temperature by temperature difference
The sea water suitably desalinating temperature that has of joint adds to sea-water reverse osmose desalination list in former coolant-temperature gage regulation tank
In unit, utilizing the Natural Water column pressure of 6Mpa to carry out desalination by reverse osmosis, the fresh water after desalination utilizes temperature
The fresh water storage that the fresh water that sea-water reverse osmose desalination is formed is promoted on skyscraper differing heights by difference acting
Case, is transported to the territory, Water District of different distance for user by flow by gravity.A strong brine part
For salt manufacturing, a part utilizes the tourism development project after geothermal heating for hot-spring type artificial dead-sea.
Temperature difference drives moisturizing and temperature difference to drive fresh water to promote, and heats preferably by geothermal vapour
Recirculated water provide heat, vapours is from the hot dry rock by 120 DEG C-200 DEG C of water filling to geothermal well
Extract after vaporization, other convenient modes can also be used here to obtain geothermal energy.
The construction investment of skyscraper can be obtained by office building/apartment/hotel that sale is developed accordingly
Investment repayment, the most additionally strengthen the water producing cost of fresh water.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also all of embodiment being given
With exhaustive.And the obvious change thus extended out or variation are still in the guarantor of the invention
Protect among scope.
Claims (12)
1. one kind utilizes the system that geothermal energy resources carry out desalinization and generating simultaneously, it is characterised in that
Including sea water water intaking unit (1), be positioned at the treating nature water unit (2) of b.s.l., underground heat takes
Hot cell (3), and have the former water moisturizing of applicable head fall with described treating nature water unit (2)
Unit (4), reverse osmosis units (5), fresh water lift unit (6) and hydroelectric generation unit (102),
Sea water in described sea water water intaking unit (1) is by the former water described in raw water pipeline (7) entrance
Pretreatment unit (2)；The conduit pipe (103) of described hydroelectric generation unit (102) is former with described
Water pretreatment unit (2) water side connects, the tail water pipeline (104) of described hydroelectric generation unit (102)
It is connected with described former water moisturizing unit (4), fresh water lift unit (6) respectively；
Described underground heat takes hot cell (3) by adding hot channel (8) respectively to described former water moisturizing unit
(4) and fresh water lift unit (6) output heat energy；
Described former water moisturizing unit (4) includes that former coolant-temperature gage regulation tank (41), temperature difference drive former water
Water replanishing device (42), the water inlet of described former coolant-temperature gage regulation tank (41) and described tail water pipeline (104)
Connection, and take hot cell (3) with described underground heat be connected by adding hot channel (8), it is used for generating
After entrance described former coolant-temperature gage regulation tank (41) in former water carry out temperature regulation；Described temperature difference
Former water water replanishing device (42) is driven to regulate tank (41) with described reverse osmosis units (5) and former coolant-temperature gage respectively
Outlet connect, for will described former coolant-temperature gage regulate the former water in tank (41) be supplemented to described instead
In permeation unit (5)；
Described reverse osmosis units (5), for former water is carried out desalination by reverse osmosis, separates after reverse osmosis
Go out fresh water and strong brine, described strong brine by the overbottom pressure of described reverse osmosis units (5) by strong brine
Conveyance conduit (9) is delivered to ground；
Described fresh water lift unit (6) includes the fresh-water tank (61) connected with described reverse osmosis units (5)
With the temperature difference being connected with described fresh-water tank (61) drives fresh water lifting device (62), described underground heat
Take hot cell (3) and drive fresh water lifting device (62) by adding hot channel (8) to described temperature difference
Output heat energy, described temperature difference drives fresh water lifting device (62) by fresh water conveyance conduit (10)
Fresh water in described fresh-water tank (61) is delivered on the ground that is located above sea level.
System the most according to claim 1, it is characterised in that described system also includes underground
Factory Building (105), deep-well structure (106) and skyscraper (107), described former water moisturizing unit (4),
Reverse osmosis units (5), fresh water lift unit (6) and hydroelectric generation unit (102) are positioned at describedly
In lower Factory Building (105), one end of described deep-well structure (106) is with described underground power house (105) even
Logical, its other end extends on described skyscraper (107), described strong brine conveyance conduit (9) and
Fresh water conveyance conduit (10) is extended in described deep-well structure (106) by described underground power house (105),
And fresh water and strong brine are delivered in described skyscraper (107).
System the most according to claim 2, it is characterised in that also set up one in described system
Utilizing water column to keep the pressurizer (20) of pressure, described pressurizer (20) includes being positioned at deep-well knot
Water column pipe well (201) in structure and the pressurize buffer gear (202) being positioned in described underground power house (105),
Described pressurize buffer gear (202) respectively with described water column pipe well (201) and reverse osmosis units (5)
Original water inlet end connection.
System the most according to claim 3, it is characterised in that described pressurize buffer gear (202)
Including a cylinder body (2021) be positioned at the piston (2022) that cylinder body (2021) is internal, described cylinder body (2021)
Two ends original water inlet end with described water column pipe well (201) and reverse osmosis units (5) respectively connect.
System the most according to claim 4, it is characterised in that described temperature difference drives former water
Water replanishing device (42) and temperature difference drive fresh water lifting device (62) to include a circulating-heating room respectively
(301), circulating cooling room (302), temperature difference phase transformation promote room (303) and transmission pump；
Described circulating-heating room (301) promotes room with described fresh-water tank (61) and temperature difference phase transformation respectively
(303) it is connected, is provided with in the chamber of described circulating-heating room (301) and takes heat list with described underground heat
What unit (3) was connected adds hot channel (8), described circulating-heating room (301) and described fresh-water tank (61)
Connection；
Described circulating cooling room (302) connects with described tail water pipeline (104), is provided with in its chamber
The cooling line (40) that room (303) is connected, described cooling line (40) is promoted with described temperature difference phase transformation
Connect with described fresh-water tank (61)；
Described temperature difference phase transformation promotes room (303) and includes circulating chamber (3031) and phase transformation driving cylinder (3032),
Being provided with a piston (3033) in described phase transformation driving cylinder (3032), described piston (3033) is by described
Phase transformation driving cylinder (3032) is divided into fresh water to promote room (30321) and Working fluid phase changing room (30322), institute
Stating Working fluid phase changing room (30322) and be positioned at described circulation chamber (3031), described fresh water promotes room (30321)
On be respectively provided with a water inlet being connected with described fresh-water tank (61) and one with described fresh water conveyance conduit
(10) outlet being connected；
Described transmission pump is for by hot water and described circulating cooling room in described circulating-heating room (301)
(302), in the extremely described circulation chamber (3031) of the cold water alternate transport in, described phase transformation driving cylinder is made
(3032) fresh water is driven to promote.
System the most according to claim 5, it is characterised in that described underground heat takes hot cell (3)
Including underground heat recharge well (31), underground heat take hot well (32), geothermal source (33), geothermal heating well (34),
Underground heat moisturizing pipeline (35) and underground heat heat removing tube road (36), described geothermal heating well (34) is positioned at institute
State in the rock stratum of geothermal source (33), described underground heat moisturizing pipeline (35) and described underground heat recharge well (31)
Connection, described underground heat recharge well (31) and described underground heat take hot well (32) and add with described underground heat respectively
Hot well (34) connects, and described underground heat heat removing tube road (36) connects with described geothermal heating well (34)；
Described circulating-heating room (301) and lower water temperature tank (41) are respectively by adding hot channel (8) and institute
The underground heat heat removing tube road (36) stated is connected.
System the most according to claim 6, it is characterised in that described underground heat takes hot cell
In be additionally provided with heat storage box (37) and the geothermal applications user (38) being connected with described heat storage box (37),
Described heat storage box (37) is by described underground heat heat removing tube road (36) and described geothermal heating well (34)
Connection, described underground heat heat removing tube road (36) connects with described heat storage box (37).
System the most according to claim 7, it is characterised in that described geothermal source (33)
For dry-hot-rock geothermal source, described geothermal heating well (34) is positioned horizontally in dry-hot-rock geothermal source.
9. according to the arbitrary described system of claim 1-8, it is characterised in that described former water is located in advance
Reason unit (2) includes the water-retention regulating reservoir (21) being sequentially connected in series setting in upper-lower position and locates the most in advance
Reason device (22), micro-filtration (23), ultrafiltration apparatus (24), cartridge filter (25), gravity
Gravity flow sea water aqueduct (26), described water-retention regulating reservoir (21) is positioned at described sea water water intaking unit (1)
Lower section, it is connected by raw water pipeline (7) and described sea water unit (1) of fetching water, described
Chemicals dosing plant (27) it is additionally provided with on water-retention regulating reservoir (21).
10. utilize geothermal energy resources to carry out desalinization and a technique for generating process, its feature simultaneously
Being, described processing step is as follows: by sea water water intaking unit, sea water is introduced treating nature water unit,
Remove antibacterial, float, colloid, free chlorine in sea water；Former water after processing introduces hydroelectric generation
Unit, is converted to electric energy by former water potential energy；Former water after generating enters in former coolant-temperature gage regulation tank,
In former coolant-temperature gage regulation tank, introduce underground heat heat energy former water is carried out homoiothermic process；Former water after homoiothermic leads to
Excess temperature difference drives former water water replanishing device to inject reverse osmosis units, carries out reverse osmosis freshwater and strong brine
Separating, fresh water drives fresh water lifting device to be exported ground by fresh water conveyance conduit by temperature difference, for light
Water user uses, and strong brine relies on the overbottom pressure of reverse osmosis units to be delivered to ground by strong brine conveyance conduit.
11. techniques according to claim 10, it is characterised in that described sea water is by defeated
Pipeline is sent to be flowed in flow by gravity mode in the treating nature water unit being vertically arranged, sea water conveying pipe
Road can be pipeline or tunnel.
12. techniques according to claim 10, it is characterised in that the former coolant-temperature gage after homoiothermic
Former coolant-temperature gage in regulation tank is 20-30 DEG C, and strong brine therein is delivered to ground through strong brine conveyance conduit
Face, and carry out salt manufacturing or/and the construction of artificial hot spring formula Dead Sea project.
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