CN105753104B - A kind of system and its technique that sea water desalination and power generation are carried out at the same time using geothermal energy resources - Google Patents
A kind of system and its technique that sea water desalination and power generation are carried out at the same time using geothermal energy resources Download PDFInfo
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- CN105753104B CN105753104B CN201610224548.3A CN201610224548A CN105753104B CN 105753104 B CN105753104 B CN 105753104B CN 201610224548 A CN201610224548 A CN 201610224548A CN 105753104 B CN105753104 B CN 105753104B
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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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Abstract
The invention discloses a kind of system and its technique that sea water desalination and power generation are carried out at the same time using geothermal energy resources, hot cell is taken, and has raw water moisturizing unit, reverse osmosis units, fresh water lift unit and the hydroelectric generation unit of suitable head fall with treating nature water unit including seawater water intaking unit, treating nature water unit, underground heat positioned at b.s.l.；The conduit pipe of hydroelectric generation unit is connected with seawater water intaking unit, and the tail water pipeline of hydroelectric generation unit is connected with raw water moisturizing unit, fresh water lift unit respectively；Underground heat takes hot cell to export thermal energy to raw water moisturizing unit and fresh water lift unit respectively by heating pipe；Seawater generates electricity by water potential energy first after treating nature water cell processing, then ftercompction is carried out to the tail water after power generation through raw water moisturizing unit again, raw water is separated into fresh water and strong brine by seawater after desalination by reverse osmosis, realize the conversion of underground heat thermal energy water potential energy electric energy, solve current fresh water it is in short supply and lack low-carbon power generation social concern.
Description
Technical field
It is more particularly to a kind of same using geothermal energy resources the invention belongs to sea water desalination and geothermal energy and water potential energy application field
Shi Jinhang sea water desalinations and the system and its technique of power generation.
Background technology
Current international and domestic sea water desalination is broadly divided into the way of distillation (hot method) and reverse osmosis (embrane method) two major class, specific seawater
Desalination technology is planted more than more than 20, including multistage flash distillation, low-temperature multi-effect, reverse osmosis, electrodialysis, pressure steam distillation, dew point evaporation, water power
Coproduction, hotting mask coproduction and utilize nuclear energy, solar energy, wind energy, tide energy, water column potential energy desalination technology etc..
By semicentennial development, form with multistage flash distillation, multi-effect distilling and the reverse osmosis industrial technology for mainstream.
From area, Middle East Gulf states will be using multistage flash distillation as first choice, because it has maximization and large (separate unit
Equipment water yield at present up to daily output fresh water 40,000~50,000 ton), adapt to pollution weight bay water and pretreatment expense it is low
Advantage；But area is using hyperfiltration as first choice beyond the Middle East.
Different method for desalting seawater is adapted to different geography and weather and the bar of water quality and other industrial plants of periphery
Part feature, but common method for desalting seawater, either Re Fa or embrane method, by a kind of Technical comparing of simple energy
It is more, it is required for expending a large amount of fuel or electric energy, cost is all higher.
But for generation mode, hydraulic power generation technology is to block water power generation by building dam mostly currently popular, and hot
Power power generation is also to pass through the mechanical energy that converts heat energy into and can externally do work, then converts mechanical energy into kinetic energy, and transfer efficiency is not
It is high.
The content of the invention
The present invention disappears for the thermal energy present in solution known technology in sea water desalination and fresh water lifting process or electric energy
The big technical problem of consumption, there is provided a kind of system and its technique that sea water desalination and power generation are carried out at the same time using geothermal energy resources,
It utilizes the Geothermal Conditions in coastal cities, and geothermal energy clean energy resource, Ke Yili are largely introduced during reverse osmosis seawater desalting
With the combination skyscraper of on-fuel non-electricity and the natural water column potential energy of deep-well, sea water desalination, lifting and power generation are realized, substitute
The common method by expending electric power or consuming fuel progress sea water desalination.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
On the one hand, the present invention provides a kind of system that sea water desalination and power generation are carried out at the same time using geothermal energy resources, including
Seawater water intaking unit, treating nature water unit, underground heat positioned at b.s.l. take hot cell, and with the treating nature water
Unit has raw water moisturizing unit, reverse osmosis units, fresh water lift unit and the hydroelectric generation unit of suitable head fall, the sea
Water water intaking unit enters the treating nature water unit by raw water pipeline；The conduit pipe of the hydroelectric generation unit
Connected with seawater water intaking unit, the tail water pipeline of the hydroelectric generation unit respectively with the raw water moisturizing unit, fresh water
Lift unit is connected；
The underground heat takes hot cell to be exported respectively to the raw water moisturizing unit and fresh water lift unit by heating pipe
Thermal energy；
The raw water moisturizing unit includes raw water temperature adjustment tank, temperature difference driving raw water water replanishing device, the raw water temperature
The water inlet that degree adjusts tank is connected with the tail water pipeline, and takes hot cell to be connected with the underground heat by heating pipe, is used for
To carrying out temperature adjustment into the raw water in the raw water temperature adjustment tank after power generation；The temperature difference driving raw water moisturizing dress
Put the water outlet respectively with the reverse osmosis units and raw water temperature adjustment tank to be connected, for by the raw water temperature adjustment tank
Raw water be supplemented in the reverse osmosis units；
The reverse osmosis units are used to carry out desalination by reverse osmosis to raw water, and fresh water and strong brine are isolated after reverse osmosis,
The strong brine is delivered to ground by the overbottom pressure of the reverse osmosis units by strong brine conveyance conduit；
The fresh water lift unit includes being connected with the fresh-water tank of reverse osmosis units connection and with the fresh-water tank
Temperature difference driving fresh water lifting device, the underground heat take hot cell by heating pipe to the temperature difference drive fresh water lifted
Device exports thermal energy, and the temperature difference driving fresh water lifting device is defeated by the fresh water in the fresh-water tank by fresh water conveyance conduit
Send to the ground being located above sea level.
The system also includes underground power house, deep-well structure and skyscraper, the raw water moisturizing unit, reverse osmosis list
Member, fresh water lift unit and hydroelectric generation unit are located in the underground power house, one end and the underground of the deep-well structure
Workshop connects, its other end is extended on the skyscraper, and the strong brine conveyance conduit and fresh water conveyance conduit are by described
Lower workshop extends in the deep-well structure, and fresh water and strong brine is delivered in the skyscraper.
A pressurizer that pressure is kept using water column is also set up in the system, the pressurizer includes being located at deep-well
Water column pipe well in structure and the pressurize buffer gear in the underground power house, the pressurize buffer gear respectively with it is described
Water column pipe well connected with the original water inlet end of reverse osmosis units.
The pressurize buffer gear includes a cylinder body and the piston positioned at cylinder interior, the both ends of the cylinder body respectively with institute
Water column pipe well is stated to connect with the original water inlet end of reverse osmosis units.
The temperature difference driving raw water water replanishing device and temperature difference driving fresh water lifting device include a circulating-heating respectively
Room, circulating cooling room, temperature difference phase transformation lifting room and transmission pump；
The circulating-heating room is connected with the fresh-water tank and temperature difference phase transformation lifting room respectively, the circulating-heating room
The heating pipe for taking hot cell to be connected with the underground heat is equipped with chamber, the circulating-heating room is connected with the fresh-water tank；
The circulating cooling room is connected with the tail water pipeline, is equipped with its chamber and is connected with temperature difference phase transformation lifting room
Logical cooling line, the cooling line are connected with the fresh-water tank；
The temperature difference phase transformation lifting room includes circulation chamber and phase transformation driving cylinder, and being equipped with one in the phase transformation driving cylinder lives
The phase transformation driving cylinder is divided into fresh water lifting room and Working fluid phase changing room by plug, the piston, and the Working fluid phase changing room is positioned at described
In torus room, a water inlet being connected with the fresh-water tank and one defeated with the fresh water is set respectively on fresh water lifting room
Send the water outlet that pipeline is connected；
The transmission pump is used for the cold water alternate transport in hot water and the circulating cooling room in the circulating-heating room
Into the circulation chamber, make the phase transformation driving cylinder driving fresh water lifting.
The underground heat takes hot cell to take hot well, geothermal source, geothermal heating well, underground heat moisturizing including underground heat recharge well, underground heat
Pipeline and underground heat heat removing tube road, the geothermal heating well location is in the rock stratum of the geothermal source, the underground heat moisturizing pipeline and institute
The connection of underground heat recharge well is stated, the underground heat recharge well and the underground heat take hot well to be connected respectively with the geothermal heating well, described
Underground heat heat removing tube road is connected with the geothermal heating well；The circulating-heating room and lower water temperature tank respectively by heating pipe with
The underground heat heat removing tube road is connected.
The underground heat takes the geothermal applications user that heat storage box is additionally provided with hot cell and is connected with the heat storage box, institute
State heat storage box to connect with the geothermal heating well by the underground heat heat removing tube road, the underground heat heat removing tube road and the heat storage box
Connection.
The geothermal source is dry-hot-rock geothermal source, and the geothermal heating well is positioned horizontally in dry-hot-rock geothermal source.
The treating nature water unit includes being sequentially connected in series the water storage regulating reservoir of setting and preliminary pretreatment in upper-lower position
Device, micro-filtration, ultrafiltration apparatus, cartridge filter, flow by gravity seawater aqueduct, the water storage regulating reservoir is positioned at described
The lower section of seawater water intaking unit, it is connected by raw water pipeline with seawater water intaking unit, on the water storage regulating reservoir
It is additionally provided with chemicals dosing plant.
On the other hand, present invention also offers it is a kind of using geothermal energy resources be carried out at the same time sea water desalination and power generation technique,
The processing step is as follows：Seawater is introduced into treating nature water unit by seawater water intaking unit, bacterium in seawater is removed, suspends
Thing, colloid, free chlorine；Raw water after processing is introduced to the water being arranged in the underground power house for having certain height of water with sea level
Power generator unit, electric energy is converted to by raw water potential energy；Raw water after power generation enters in raw water temperature adjustment tank, in raw water temperature
Adjust and underground heat thermal energy is introduced in tank to raw water progress temperature adjustment processing；Raw water after temperature adjustment drives raw water water replanishing device by temperature difference
Inject reverse osmosis units, carry out the separation of reverse osmosis freshwater and strong brine, fresh water by temperature difference drive fresh water lifting device by
Fresh water conveyance conduit exports ground, is used for fresh water user, and strong brine is by the overbottom pressure of reverse osmosis units by strong brine delivery pipe
Road is delivered to ground.
The seawater is flowed into by conveyance conduit in a manner of flow by gravity in the treating nature water unit being vertically arranged,
Sea water conveying pipelines can be pipeline or tunnel.
The raw water temperature in raw water temperature adjustment tank after temperature adjustment is 20-30 DEG C.
Strong brine therein is delivered to ground through strong brine conveyance conduit, and carries out salt manufacturing or/and the artificial hot spring formula Dead Sea
The construction of project.
Using deep-well construction and underground power house at the same time as the deep foundation of skyscraper, the infrastructure expense of skyscraper is saved
With achieving many things at one stroke.
The present invention has the advantages and positive effects of：
The present invention is opened sea water desalination and deep-well construction, high-rise and using strong brine progress artificial dead-sea tourism
Hair, power generation etc. combine, and have both possessed some functions of development of real estate, the function of also possessing power generation, also with tourism development
Function；The deep-well built can both be used for keeping water column potential energy, can also be utilized as the quite firm deep base of skyscraper
Plinth, reduces the foundation construction expense of skyscraper, achieves many things at one stroke, it is new not only to take full advantage of the low-carbons such as geothermal energy, water potential energy
The energy, is also fully utilized by strong brine and carries out tourism development, not only expanded the Land use systems of new energy, innovation proposes
The comprehensive utilization of cogeneration and sea water desalination is carried out using geothermal energy and sea water potential energy, a large amount of fuel energies have been saved, with low
Cost produces substantial amounts of fresh water, provides a large amount of electric power, solve current fresh water it is in short supply and lack low-carbon power generation social concern,
Change fresh water in the world and increasingly lack situation with supply of electric power deficiency, improve the water supply condition of water-deficient area, the raising people
Living standard, moreover it is possible to by fresh water with relatively low cost water delivery to water-deficient area farther out, the present invention can not only produce huge
Social benefit, can also produce huge economic benefit, by the raising to social development and living standards of the people, there is far-reaching meaning
Justice and influence.
Relative to common reverse osmosis seawater desalting method, the present invention largely can manufacture cost major embodiment by fresh-water-saving
In the following aspects：
A takes seawater by flow by gravity, without using pump extracting seawater raw water again, in the case of salt rejection rate 40%, only
Conveying is needed to account for the fresh water of raw water volume 40%, so that saving seawater extracts cost.
B sea water preprocessing flows realize that the pressure for pre-processing ultra-filtration process also utilizes nature water column by flow by gravity
Pressure, saves pretreatment cost.
C carries out reverse osmosis seawater desalting using skyscraper combination deep-well and carries out moisturizing and fresh water lifting using geothermal energy
Design adaptation to local conditions, make full use of low-carbon new energy, without it is extra with electric pump be reverse osmosis pressurization, save a large amount of electric energy.
When can provide the energy of consumption required for the geothermal energy utilized is enough to supply sea water desalination and raw water supplement, geothermal energy and seawater are utilized
Potential energy, which is combined, carries out power generation and sea water desalination processing, increase power generation and the comprehensive utilization of seawater.
D is light using temperature difference driving raw water water replanishing device supplement raw water and using temperature difference driving fresh water lifting device lifting
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
Increase, income level improve.
The investment of F skyscrapers can obtain corresponding investment repayment by selling office building/apartment/hotel of exploitation,
Do not increase the water producing cost of fresh water additionally not only, moreover it is possible to increase income.
Brief description of the drawings
Fig. 1 is sea water desalination provided by the present invention and power generation process flow block diagram；
Fig. 2 is a kind of sea water desalination of the present invention and electricity generation system horizontal layout schematic diagram；
Fig. 3 is the structure arrangement schematic diagram of the fresh water lift unit in Fig. 2；
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 structure diagram；
Fig. 6 is the structure arrangement schematic diagram of the temperature difference driving raw water moisturizing unit in Fig. 2.
In figure：
1- seawater water intaking unit；
2- treating nature water units, 21- water storage regulating reservoirs, the preliminary pretreatment units of 22-, 23- micro-filtrations, 24- ultrafiltration
Device, 25- cartridge filters, 26- flow by gravity seawater aqueducts, 27- chemicals dosing plants；
3- underground heat takes hot cell, 31- underground heat recharge wells, and 32- underground heat takes hot well, 33- geothermal sources, 34- geothermal heating wells,
35- underground heat moisturizing pipelines, 36- underground heat heat removing tubes road, 37- heat storage box, 38- geothermal applications users；
4- raw water moisturizing units, 41- raw water temperature adjustment tanks, 42- temperature differences driving raw water water replanishing device；
5- reverse osmosis units；
6- fresh water lift units, 61- fresh-water tanks, 62- temperature differences driving fresh water lifting device；
7- raw water pipelines；8- heating pipes；9- strong brine conveyance conduits；10- fresh water conveyance conduits；
20- pressurizers, 201- water column pipe wells, 202- pressurize buffer gears, 2021- cylinder bodies, 2022- pistons；
301- circulating-heatings room, 302- circulating coolings room, 303- temperature difference phase transformation lifting room, 3031- circulation chambers, 3032-
Phase transformation driving cylinder, 30321- fresh water lifting room, 30322- Working fluid phase changings room, 3033- pistons；
40- cooling lines；50- fresh water users；60- salt-water applications projects；70- fresh water storage tanks；80- heat storage box；90- underground heat
Using user；100- check valves；101- shut-off valves；102- generator units；103- conduit pipes；104- tail water pipelines；105-
Lower workshop；106- deep-well structures；107- skyscrapers.
Embodiment
It is described as follows in order to further understand the content, features and effects of the present invention, the following examples are hereby given：
With reference to shown in Fig. 1 and Fig. 2, sea water desalination and power generation are carried out at the same time using geothermal energy resources the present invention provides a kind of
System, including seawater water intaking unit 1, treating nature water unit 2, underground heat positioned at b.s.l. take hot cell 3, and set
In the raw water moisturizing unit 4, reverse osmosis units 5, hydroelectric generation unit 102 and the fresh water lifting that have certain height of water with sea level
Unit 6, seawater enter treating nature water unit 2 through raw water pipeline 7 through seawater water intaking unit 1, remove in seawater raw water
Bacterium, suspended matter, colloid and free chlorine；The conduit pipe 103 of hydroelectric generation unit 102 is connected with seawater water intaking unit 1, waterpower
The tail water pipeline 104 of generator unit 102 is connected with raw water moisturizing unit 4, fresh water lift unit 6 respectively；Underground heat therein takes
Hot cell 3 exports thermal energy by heating pipe 8 to raw water moisturizing unit 4 and fresh water lift unit 6；
Raw water moisturizing unit 4 specifically includes raw water temperature adjustment tank 41, temperature difference driving raw water water replanishing device 42, raw water temperature
The water inlet that degree adjusts tank 41 is connected with tail water pipeline 104, and takes hot cell 3 to be connected with underground heat by heating pipe 8, for pair
After power generation temperature adjustment is carried out into the raw water in raw water temperature adjustment tank 41；Temperature difference driving raw water water replanishing device 42 is distinguished
It is connected with the water outlet of reverse osmosis units 5 and raw water temperature adjustment tank 41, for the raw water in raw water temperature adjustment tank 41 to be mended
It is charged to progress reverse osmosis freshwater processing in the reverse osmosis units 5；
Reverse osmosis units 5 therein are used to carry out desalination by reverse osmosis to raw water, and fresh water and dense salt are isolated after reverse osmosis
Water, strong brine are delivered to ground by strong brine conveyance conduit 9 by the overbottom pressure of reverse osmosis units 5, carry out salt-water applications project 60
Exploitation, for example extract salinity therein for salt making enterprises, it is hot-spring type artificial dead-sea that can also utilize strong brine exploitation, then
It can be used for health care etc. after adding Chinese medicine.
Fresh water lift unit 6 therein includes the fresh-water tank 61 connected with reverse osmosis units 5 and is connected with fresh-water tank 61
Temperature difference driving fresh water lifting device 62, underground heat takes hot cell 3 to drive fresh water lifting device to temperature difference by heating pipe 8
62 output thermal energy, the fresh water after 5 reverse-osmosis treated of reverse osmosis units is delivered to positioned at Hai Ping by fresh water conveyance conduit 10
On ground above face, and it is delivered in the fresh water storage tank 70 of high-rise, is used for fresh water user 50.
The present invention takes seawater by flow by gravity, without extracting seawater raw water, in the case of salt rejection rate 40%, only needs
The fresh water for accounting for raw water volume 40% is conveyed, so that saving seawater extracts cost, used treating nature water unit is to pass through
Flow by gravity is realized, as shown in figure 4, the pressure of pretreatment ultra-filtration process also utilizes nature water column pressure, saves pretreatment cost；
Reverse osmosis seawater desalting is carried out by using skyscraper combination deep-well, and is set using what geothermal energy progress moisturizing and fresh water were lifted
Count adaptation to local conditions, make full use of low-carbon new energy, without it is extra with electric pump be reverse osmosis pressurization, save a large amount of electric energy, attached drawing 1-6
In all pipelines be equipped with control raw water switch check valve 100 or shut-off valve 101, realize be carried out at the same time power generation with sea water and
Sea water desalination is handled.
As shown in Fig. 2, the system further includes underground power house 105, deep-well structure 106 and skyscraper 107, raw water moisturizing list
In member 4, reverse osmosis units 5, fresh water lift unit 6 and the workshop 105 located underground of hydroelectric generation unit 102, deep-well structure 106
One end is connected with underground power house 105, its other end is extended on skyscraper 107, strong brine conveyance conduit 9 and fresh water conveyance conduit
10 are extended in deep-well structure 106 by underground power house 105, and fresh water and strong brine are delivered in skyscraper 107.So depth
Well construction and underground power house while the deep foundation as skyscraper, save the infrastructure expense of skyscraper, achieve many things at one stroke,
Meanwhile also by means of skyscraper, deep-well structure, the structure of underground power house create water potential energy condition and be combined geothermal energy into
Row sea water desalination and power generation.
In order to make reverse osmosis units 5 be in a preferable working pressure conditions, it is also provided with utilizing water column in systems
The pressurizer 20 of pressure is kept, as shown in figure 5, pressurizer 20 includes water column pipe well 201 and the position being located in deep-well structure
Pressurize buffer gear 202 in underground power house 105, pressurize buffer gear 202 respectively with water column pipe well 201 and reverse osmosis units
5 original water inlet end connection.Inject water in water column pipe well 201, pressurize buffer gear 202 therein respectively with water column pipe well
201st, reverse osmosis units 5 connect.Pressurize buffer gear 202 of the present invention is preferably piston cylinder operator, naturally it is also possible to
The head of pressure is kept using water column potential energy using other, specifically includes a cylinder body 2021 and inside cylinder body 2021
Piston 2022, the both ends of cylinder body 2021 are connected with water column pipe well 201 and reverse osmosis units 5 respectively, when temperature difference driving raw water is mended
When the driving pressure that water installations are provided is unstable, oozing for reverse osmosis units 5 can be adjusted by moving left and right for piston 2022
Saturating pressure, energy loss is small, more brief and practical.
Raw water moisturizing unit 4 therein is as shown in fig. 6, temperature difference drives fresh water lift unit 6 as shown in figure 3, the two is equal
Including a circulating-heating room 301, circulating cooling room 302, temperature difference phase transformation lifting room 303 and transmission pump；Circulating-heating room 301 with it is light
Water tank 61 is connected with temperature difference phase transformation lifting room 303, takes hot cell 3 to be connected with underground heat by heating pipe 8 in its chamber, uses
Fresh water heating in by circulating-heating room 301；
Circulating cooling room 302 therein is connected with raw water pipeline 7, is equipped with its chamber and is lifted room with temperature difference phase transformation
303 cooling lines 40 being connected, cooling line 40 are connected with fresh-water tank 61；
Temperature difference phase transformation lifting room 303 therein includes circulation chamber 3031 and phase transformation driving cylinder 3032, phase transformation driving cylinder
A piston 3033 is equipped with 3032, piston 3033 divides phase transformation driving cylinder 3032 lifts room 30321 and Working fluid phase changing room for fresh water
30322, in circulation chamber 3031, fresh water lifting sets one and fresh-water tank 61 respectively on room 30321 for Working fluid phase changing room 30322
The water inlet of connection and a water outlet being connected with fresh water conveyance conduit 10, the fresh water infiltrated by reverse osmosis units
Entered by the water inlet on fresh-water tank 61, switch control is carried out by the check valve 100 on water inlet and water outlet, is realized suitable
Sequence is intake and water outlet.
Transmission pump therein be used for will be heated in circulating-heating room 301 after fresh water and circulating cooling room 302 in it is cold
Fresh water alternate transport makes phase transformation driving cylinder 3032 drive fresh water lifting to circulating in chamber 3031.Mended in temperature difference driving raw water
In terms of water, temperature adjustment is carried out to seawater by geothermal heating unit, is adjusted such that reverse osmosis membrane has the temperature compared with equipment with high desalinization
Scope (20 DEG C -30 DEG C) is spent, the seawater with certain pressure can be added to utilization by temperature difference driving raw water water replanishing device
Water column potential energy keeps carrying out reverse osmosis seawater under the pressure environment of pressure (the suitable services pressure 5Mpa-7Mpa of reverse osmosis membrane)
Desalination.
In terms of fresh water lifting, alternately Working fluid phase changing room can be heated up and dropped using circulating hot water and cooling water
Temperature, makes the material in Working fluid phase changing room that the conversion between gaseous state and liquid occur, and promotes piston acting, realizes in fresh water lifting room
The lifting of fresh water, realizes conversion of the thermal energy to water potential energy.
Specifically temperature difference driving principle is：Lifted among room, made by the way that hot water and cold water are alternately inputted temperature difference phase transformation
In Working fluid phase changing room special working medium (such as certain special working medium can become gaseous state under 45 DEG C, 6Mpa pressure, but at 20 DEG C,
Can become liquid under 6Mpa) alternately occur gas phase and liquid phase change externally drive piston, mainly include two processes：
1) the special working medium in Working fluid phase changing room becomes gaseous state when circulating chamber input hot water, and external expansion work, drives
Piston, meanwhile, water feeding one-way valve is closed, and goes out water one-way valve opening, the hydraulic pressure in phase transformation driving cylinder is entered another pressure
In environment, moisturizing or lifting work are completed；
2) the special working medium in Working fluid phase changing room becomes liquid when circulating chamber input cold water, and piston is fallen after rise, meanwhile, go out
Water one-way valve is closed, and water feeding one-way valve is opened, and the water relatively low without pressure or pressure of phase transformation driving cylinder other side is sucked and is lived
Fill in chamber；
3) repetitive process 1), 2), the extrusion of continuous recirculated water and suction process；Realize temperature difference driving moisturizing or temperature difference driving
The lasting progress of fresh water lifting.
Circulating hot water can be heated to 45 DEG C -65 DEG C by obtaining underground heat, the normal temperature seawater (low temperature with northern China
State：Winter, 4.4 DEG C；Intermediate state：7 DEG C -17 DEG C of spring and autumn, high temperature state：17 DEG C -26 DEG C) between have temperature difference, which can be with
It is used to externally do work by the phase transformation of special working medium, completes moisturizing or fresh water lifting work；
Underground heat therein take hot cell 3 as shown in figure 5, including 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, heat storage box 37 and geothermal applications user 38, geothermal heating
Well 34 is located in the rock stratum of geothermal source 33, and underground heat moisturizing pipeline 35 is connected with underground heat recharge well 31, passes through the rock in geothermal source 33
Layer is heated to entering the raw water in geothermal heating well, underground heat recharge well 31 and underground heat take hot well 32 respectively with geothermal heating well
34 connections, the both ends in underground heat heat removing tube road 36 are connected with geothermal heating well 34, heat storage box 37 respectively, and geothermal applications user 38 distinguishes
Connected with heat storage box 37；Circulating-heating room 301 and raw water temperature adjustment tank 21 are connected with underground heat heat removing tube road 36 respectively.This hair
Bright preferable geothermal source 33 is xeothermic underground heat rock, and 34 level of geothermal heating well is preferably located in xeothermic underground heat rock.
In addition, treating nature water unit 2 provided by the present invention includes the water storage tune that setting is sequentially connected in series in upper-lower position
Save pond 21 and preliminary pretreatment unit 22, micro-filtration 23, ultrafiltration apparatus 24, cartridge filter 25, flow by gravity seawater water delivery
Pipeline 26, water storage regulating reservoir 21 are located at the lower section of seawater water intaking unit 1, it passes through raw water pipeline 7 and seawater water intaking unit 1
Connect, chemicals dosing plant 27 is additionally provided with water storage regulating reservoir 21.The integral arrangement for the treatment of nature water unit be it is vertical, can be abundant
Filtration is carried out using the pressure of nature water column, bacterium, colloid and suspended matter in seawater raw water is removed and is unfavorable for anti-
Free chlorine of permeable membrane work etc., it is pre- which can make full use of nature water column pressure to carry out
Processing, reduces power consumption.
Present invention also offers the technique that sea water desalination and power generation processing are carried out at the same time using geothermal energy resources, processing step is such as
Under：Seawater is introduced into treating nature water unit by seawater water intaking unit, removes bacterium, suspended matter, colloid, free chlorine in seawater；
Raw water after processing is introduced into hydroelectric generation unit, raw water potential energy is converted into electric energy；Raw water after power generation enters raw water temperature
Degree is adjusted in tank, and underground heat thermal energy is introduced in raw water temperature adjustment tank and carries out temperature adjustment processing to raw water；Raw water after temperature adjustment passes through
Temperature difference driving raw water water replanishing device injection reverse osmosis units, carry out the separation of fresh water and strong brine, fresh water is driven by temperature difference
Dynamic fresh water lifting device exports ground by fresh water conveyance conduit, is used for fresh water user, and strong brine is remaining by reverse osmosis units
Pressure is delivered to ground by strong brine conveyance conduit.Seawater therein is flowed into vertical cloth by conveyance conduit in a manner of flow by gravity
In the treating nature water unit put, sea water conveying pipelines can be pipeline or tunnel.
The present invention is to be opened with reference to skyscraper and deep-well using the sea water desalination of water column potential energy and geothermal energy with generation comprehensive
The system integration is sent out, certain borders on the sea, and there is a serious shortage in the supply for the adjacent inland city's freshwater resources in city and the city, which is on the verge of in the east
Certain ocean, possesses the Geothermal Conditions of 120-160 degree, normal temperature seawater (cold state at 3000-4000 meters of subsurface depth：Winter,
4.4℃；Intermediate state：7 DEG C -17 DEG C of spring and autumn, high temperature state：17℃-26℃；Seawater quality is preferable, is adapted to carry out using reverse osmosis membrane
Reverse osmosis seawater desalting.
Such as：The proposed combination skyscraper for setting 1,000,000 tons of fresh water of daily output of certain port city and deep-well utilize water column potential energy
The demonstration project of sea water desalination and power generation and comprehensive exploitation system factory with geothermal energy, plan utilize 300 meters of high skyscrapers
Form the water column of 600 meters high of pressure 60MPa with 300 meters of deep-well, seawater intake be located at 3 kilometers of minimum sea level of offshore with
At lower 2 meters, by being laid with marine pipeline and building the sea water preprocessing that seawater is directed at deep-well by tunnel by flow by gravity
At collecting-tank, using low water column pressure, the treating nature water unit being vertically arranged is flowed through by flow by gravity seawater aqueduct
Micro-filtration ultrafiltration pretreatment is carried out respectively, and pretreated seawater is transported in the underground power house of 300 meters of b.s.l.
First pass through hydroelectric generation unit to generate electricity, then sea water desalination carried out by reverse osmosis units, the water in water column pipe well until
Building top, water column is 600 meters high, to keep reverse osmosis required pressure, and drives raw water moisturizing to fill by temperature difference
Put constantly will have the seawater for suitably desalinating temperature to add to sea-water reverse osmose out of raw water temperature adjustment tank by temperature adjustment
In desalination unit, desalination by reverse osmosis is carried out using the natural water column pressure of 6Mpa, the fresh water after desalination will using temperature difference acting
Sea-water reverse osmose desalinates the fresh water storage tank that the fresh water to be formed is promoted on skyscraper different height, is transported to by flow by gravity
The Water District domain of different distance is for users to use.A strong brine part is used for salt manufacturing, and a part is used for temperature after utilizing geothermal heating
The tourism development project of spring formula artificial dead-sea.
Temperature difference drives moisturizing and temperature difference driving fresh water lifting, and the recirculated water heated preferably by geothermal vapour carries
Heating load, hot steam are extracted after being vaporized from the hot dry rock by 120 DEG C -200 DEG C of water filling to geothermal well, can also adopted here
Geothermal energy is obtained with other convenient modes.
The construction investment of skyscraper can obtain investing back accordingly by selling office building/apartment/hotel of exploitation
Report, does not increase the water producing cost of fresh water additionally.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (12)
1. a kind of system that sea water desalination and power generation are carried out at the same time using geothermal energy resources, it is characterised in that fetch water including seawater single
First (1), treating nature water unit (2), underground heat positioned at b.s.l. take hot cell (3), and with the treating nature water
Unit (2) has raw water moisturizing unit (4), reverse osmosis units (5), fresh water lift unit (6) and the waterpower hair of suitable head fall
Electric unit (102), the seawater in seawater water intaking unit (1) are located in advance by raw water pipeline (7) into the raw water
Manage unit (2)；The conduit pipe (103) of the hydroelectric generation unit (102) connects with treating nature water unit (2) water outlet
It is logical, the tail water pipeline (104) of the hydroelectric generation unit (102) respectively with the raw water moisturizing unit (4), fresh water lift unit
(6) it is connected；
The underground heat takes hot cell (3) by heating pipe (8) respectively to the raw water moisturizing unit (4) and fresh water lift unit
(6) thermal energy is exported；
The raw water moisturizing unit (4) includes raw water temperature adjustment tank (41), temperature difference driving raw water water replanishing device (42), described
The water inlet of raw water temperature adjustment tank (41) is connected with the tail water pipeline (104), and passes through heating pipe (8) and the underground heat
Hot cell (3) is taken to connect, for carrying out temperature adjustment to the raw water in the entrance raw water temperature adjustment tank (41) after power generation；
Temperature difference driving raw water water replanishing device (42) goes out with the reverse osmosis units (5) and raw water temperature adjustment tank (41) respectively
The mouth of a river connects, for the raw water in the raw water temperature adjustment tank (41) to be supplemented in the reverse osmosis units (5)；
The reverse osmosis units (5) are used to carry out desalination by reverse osmosis to raw water, fresh water and strong brine are isolated after reverse osmosis, institute
The strong brine stated is delivered to ground by the overbottom pressure of the reverse osmosis units (5) by strong brine conveyance conduit (9)；
The fresh water lift unit (6) include the fresh-water tank (61) that is connected with the reverse osmosis units (5) and with the fresh-water tank
(61) the temperature difference driving fresh water lifting device (62) being connected, the underground heat take hot cell (3) by heating pipe (8) to institute
Temperature difference driving fresh water lifting device (62) output thermal energy is stated, the temperature difference driving fresh water lifting device (62) is defeated by fresh water
Send pipeline (10) that the fresh water in the fresh-water tank (61) is delivered on the ground being located above sea level.
2. system according to claim 1, it is characterised in that the system also includes underground power house (105), deep-well structure
(106) and skyscraper (107), the raw water moisturizing unit (4), reverse osmosis units (5), fresh water lift unit (6) and waterpower
Generator unit (102) is located in the underground power house (105), one end and the underground power house of the deep-well structure (106)
(105) connect, its other end is extended on the skyscraper (107), the strong brine conveyance conduit (9) and fresh water conveyance conduit
(10) extended by the underground power house (105) in the deep-well structure (106), and fresh water and strong brine are delivered to the high level
Build in (107).
3. system according to claim 2, it is characterised in that one is also set up in the system and keeps pressure using water column
Pressurizer (20), the pressurizer (20) include the water column pipe well (201) being located in deep-well structure and positioned at the undergrounds
Pressurize buffer gear (202) in workshop (105), the pressurize buffer gear (202) respectively with the water column pipe well (201)
Connected with the original water inlet end of reverse osmosis units (5).
4. system according to claim 3, it is characterised in that the pressurize buffer gear (202) includes a cylinder body
(2021) and positioned at the internal piston (2022) of cylinder body (2021), the both ends of the cylinder body (2021) respectively with the water column pipe well
(201) the original water inlet end with reverse osmosis units (5) connects.
5. system according to claim 4, it is characterised in that the temperature difference driving raw water water replanishing device (42) and temperature
Difference driving fresh water lifting device (62) includes a circulating-heating room (301), circulating cooling room (302), temperature difference phase transformation lifting respectively
Room (303) and transmission pump；
The circulating-heating room (301) is connected with the fresh-water tank (61) and temperature difference phase transformation lifting room (303) respectively, described to follow
The heating pipe (8) for taking hot cell (3) to be connected with the underground heat is equipped with the chamber of ring heating chamber (301), the circulation adds
Hot cell (301) is connected with the fresh-water tank (61)；
The circulating cooling room (302) connects with the tail water pipeline (104), is equipped with its chamber and is lifted with the temperature difference phase transformation
The cooling line (40) that room (303) is connected, the cooling line (40) connect with the fresh-water tank (61)；
Temperature difference phase transformation lifting room (303) includes circulation chamber (3031) and phase transformation driving cylinder (3032), the phase transformation driving
A piston (3033) is equipped with cylinder (3032), the phase transformation driving cylinder (3032) is divided into fresh water lifting room by the piston (3033)
(30321) and Working fluid phase changing room (30322), the Working fluid phase changing room (30322) are described in the circulation chamber (3031)
One water inlet being connected with the fresh-water tank (61) and one and the fresh water delivery pipe are set respectively in fresh water lifting room (30321)
The water outlet that road (10) is connected；
The transmission pump is used to hand in the cold water in hot water and the circulating cooling room (302) in the circulating-heating room (301)
For being transmitted in the circulation chamber (3031), make phase transformation driving cylinder (3032) the driving fresh water lifting.
6. system according to claim 5, it is characterised in that the underground heat takes hot cell (3) to include underground heat recharge well
(31), underground heat takes hot well (32), geothermal source (33), geothermal heating well (34), underground heat moisturizing pipeline (35) and underground heat heat removing tube road
(36), the geothermal heating well (34) is located in the rock stratum of the geothermal source (33), the underground heat moisturizing pipeline (35) with it is described
Underground heat recharge well (31) connects, the underground heat recharge well (31) and the underground heat take hot well (32) respectively with the geothermal heating well
(34) connect, the underground heat heat removing tube road (36) connects with the geothermal heating well (34)；The circulating-heating room (301) and water
Temperature adjusts tank (41) and is connected respectively by heating pipe (8) with the underground heat heat removing tube road (36).
7. system according to claim 6, it is characterised in that the underground heat, which takes, is additionally provided with heat storage box (37) in hot cell
The geothermal applications user (38) being connected with the heat storage box (37), the heat storage box (37) pass through the underground heat heat removing tube road
(36) connected with the geothermal heating well (34), the underground heat heat removing tube road (36) connects with the heat storage box (37).
8. system according to claim 7, it is characterised in that the geothermal source (33) is dry-hot-rock geothermal source, described
Geothermal heating well (34) is positioned horizontally in dry-hot-rock geothermal source.
9. according to any systems of claim 1-8, it is characterised in that the treating nature water unit (2) includes presenting
Lower position is sequentially connected in series the water storage regulating reservoir (21) and preliminary pretreatment unit (22), micro-filtration (23), ultrafiltration apparatus of setting
(24), cartridge filter (25), flow by gravity seawater aqueduct (26), the water storage regulating reservoir (21) are located at the seawater and take
The lower section of water unit (1), it is connected by raw water pipeline (7) with seawater water intaking unit (1), the water storage regulating reservoir
(21) chemicals dosing plant (27) is additionally provided with.
A kind of 10. technique for being carried out at the same time sea water desalination and power generation processing using geothermal energy resources, it is characterised in that the technique step
It is rapid as follows：Seawater is introduced into treating nature water unit by seawater water intaking unit, removes bacterium, suspended matter, colloid, freedom in seawater
Chlorine；Raw water after processing is introduced into hydroelectric generation unit, raw water potential energy is converted into electric energy；Raw water after power generation enters raw water
In temperature adjustment tank, underground heat thermal energy is introduced in raw water temperature adjustment tank to raw water progress temperature adjustment processing；Raw water after temperature adjustment is led to
Excess temperature difference driving raw water water replanishing device injection reverse osmosis units, carry out the separation of reverse osmosis freshwater and strong brine, fresh water passes through
Temperature difference drives fresh water lifting device to export ground by fresh water conveyance conduit, is used for fresh water user, and strong brine is by reverse osmosis
The overbottom pressure of unit is delivered to ground by strong brine conveyance conduit.
11. technique according to claim 10, it is characterised in that the seawater is by conveyance conduit with flow by gravity side
Formula is flowed into the treating nature water unit being vertically arranged, and sea water conveying pipelines are pipeline or tunnel.
12. technique according to claim 10, it is characterised in that the raw water temperature in raw water temperature adjustment tank after temperature adjustment
For 20-30 DEG C, strong brine therein is delivered to ground through strong brine conveyance conduit, and carries out salt manufacturing or/and artificial hot spring formula is dead
The construction of extra large project.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
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| CN109231545A (en) * | 2018-09-26 | 2019-01-18 | 蔡小春 | Energy-saving and emission-reduction town sewage treatment system |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| CN115594254A (en) * | 2022-09-29 | 2023-01-13 | 淄博仲基能源科技有限公司（Cn） | Water, electricity and heat cogeneration seawater desalination system |
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| CN102086048A (en) * | 2010-12-05 | 2011-06-08 | 任永斌 | Method for desalting seawater and increasing water level by utilizing natural energy |
| CN102398962A (en) * | 2011-11-07 | 2012-04-04 | 廖立华 | Device and method for reverse osmosis desalination by using sea water potential energy |
| CN102976427B (en) * | 2012-12-25 | 2014-05-28 | 中盈长江国际新能源投资有限公司 | Seawater desalting plant continuously supplied with solar heat and method thereof |
| CN103663837A (en) * | 2013-12-26 | 2014-03-26 | 中国华能集团清洁能源技术研究院有限公司 | Seawater desalination system and seawater desalination method |
| CN205472805U (en) * | 2016-04-08 | 2016-08-17 | 范海燕 | System for utilize geothermal resource to carry out seawater desalination and electricity generation simultaneously |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
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