CN205472805U - System for utilize geothermal resource to carry out seawater desalination and electricity generation simultaneously - Google Patents

Abstract

The utility model discloses a system for utilize geothermal resource to carry out seawater desalination and electricity generation simultaneously, get the hot cell including sea water water intaking unit, the former pretreatment of water unit, the geothermol power that are located below the sea level to reach the raw water moisturizing unit, reverse osmosis unit, fresh water promotion unit and the hydroelectric power generation unit that there are suitable head fall with former pretreatment of water unit, the conduit pipe and the sea water water intaking unit intercommunication of hydroelectric power generation unit, the tail water pipeline of hydroelectric power generation unit is linked together with raw water moisturizing unit, fresh water promotion unit respectively, hot cell by heating pipeline is got respectively to raw water moisturizing unit and fresh water promotion unit output heat energy to geothermol power, the sea water at first relies on the flow of water to generate electricity behind former pretreatment of water unit operation, and then carries out the ftercompction to the tail water after the electricity generation through raw water moisturizing unit, and the sea water becomes fresh water and strong brine with former separation of water after the reverse osmosis desalination, realize geothermol power heat energy flow of water ability the electricity transformation of energy, solve present fresh water in short supply with the social concern that lacks low carbon electricity generation.

Description

A kind of system utilizing geothermal energy resources simultaneously to carry out desalinization and generating

Technical field

This utility model belongs to desalinization and geothermal energy and water potential energy application, particularly to one Utilize geothermal energy resources to carry out the system of desalinization and generating 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.

Utility model content

This utility model is to solve present in known technology in desalinization and fresh water lifting process Heat energy or the big technical problem of power consumption, it is provided that one utilizes geothermal energy resources to carry out sea water simultaneously Desalination and the system of generating, it utilizes the Geothermal Conditions in coastal cities, in reverse osmosis seawater desalting process In a large amount of introduce geothermal energy clean energy resourcies, it is possible to use the combination skyscraper of on-fuel non-electricity and deep The natural water column potential energy of well, it is achieved desalinization, promote and generate electricity, replaces common by expending electricity The method that power or consumption fuel carry out desalinization.

This utility model is adopted the technical scheme that by solving technical problem present in known technology:

This utility model provides a kind of system utilizing geothermal energy resources simultaneously to carry out desalinization and generating, Including sea water water intaking unit, be positioned at the treating nature water unit of b.s.l., underground heat takes hot cell, And with described treating nature water unit have the former water moisturizing unit of applicable head fall, reverse osmosis units, Fresh water lift unit and hydroelectric generation unit, described sea water water intaking unit is entered by raw water pipeline Described treating nature water unit；The conduit pipe of described hydroelectric generation unit is single with the water intaking of described sea water Unit's connection, the tail water pipeline of described hydroelectric generation unit carries with described former water moisturizing unit, fresh water respectively Rise unit to be 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.

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.

This utility model has the advantage that with good effect:

This utility model is desalinization and deep-well construction, high-rise and utilizes strong brine to carry out people Make Dead Sea tourism development, generating etc. to combine, both possessed some functions of development of real estate, also had The function of preparation electricity, also has tourism development function；The deep-well built both can be used to keep water column Potential energy, it is also possible to be utilized as the quite firm deep foundation of skyscraper, decrease the base of skyscraper Plinth operating expenses, 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, It is also fully utilized by strong brine and carries out tourism development, not only expand the Land use systems of new forms of energy, wound New proposes the comprehensive utilization utilizing geothermal energy and sea water potential energy to carry out cogeneration and desalinization, Save a large amount of fuel energy, gone out substantial amounts of fresh water with low-cost production, provide a large amount of electric power, solved Certainly current fresh water is in short supply and lacks the social problem of low-carbon (LC) generating, change fresh water in the world day by day lack and The situation that supply of electric power is not enough, improves the water supply condition of water-deficient area, improves the living standard of the people, Can also by fresh water with relatively low cost water delivery to water-deficient area farther out, this utility model not only can produce Huge social benefit, it is also possible to produce huge economic benefit, will be to social development and people's lives The raising of level, has profound significance and impact.

Relative to common reverse osmosis seawater desalting method, this utility model can fresh-water-saving system in a large number Cause and be originally mainly reflected in the following aspects:

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 utility model and generating process flow block diagram；

Fig. 2 is this utility model one desalinization 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 utility model；

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 utility model content of the present utility model, feature and effect can be further appreciated that, hereby enumerate with Lower embodiment is described as follows:

Shown in Fig. 1 and Fig. 2, this utility model provides one and utilizes geothermal energy resources to carry out simultaneously Desalinization and the system of generating, locate in advance including sea water water intaking unit 1, the former water that is positioned at b.s.l. Reason unit 2, underground heat take hot cell 3, and are arranged at and have the former water of certain height of water to mend with sea level Water unit 4, reverse osmosis units 5, hydroelectric generation unit 102 and fresh water lift unit 6, sea water is through sea Water water intaking unit 1 enters treating nature water unit 2 through raw water pipeline 7, removes in the former water of sea water Antibacterial, float, colloid and free chlorine；The conduit pipe 103 of hydroelectric generation unit 102 and sea water Water intaking unit 1 connect, 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 and mends to former water by adding hot channel 8 Water 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.

This utility model takes sea water by flow by gravity, it is not necessary to the former water of 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, institute The treating nature water unit used is to be realized by flow by gravity, as shown in Figure 4, and pretreatment ultra filtration The pressure of journey also utilizes Natural Water column pressure, saves pretreatment cost；By utilizing skyscraper to combine Deep-well carries out reverse osmosis seawater desalting, and utilizes geothermal energy to carry out the design of moisturizing and fresh water lifting because of ground Suiting measures to different conditions, makes 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 electricity Can, all pipelines in accompanying drawing 1-6 are equipped with check valve 100 or the stop valve 101 controlling former taps, Achieve and carry out power generation with sea water and desalinization process simultaneously.

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.The pressurize buffer gear 202 that this utility model is used is preferably piston type knot Structure, naturally it is also possible to use other to utilize water column potential energy to keep the head of pressure, specifically include one 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 connects with reverse osmosis units 5, when the driving that the temperature difference former water water replanishing device of driving is provided Pressure instability timing, can rely on piston 2022 moves left and right the osmotic pressure adjusting reverse osmosis units 5 Power, energy 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.The preferred geothermal source of this utility model 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 utility model includes going here and there successively in upper-lower position The water-retention regulating reservoir 21 of connection setting 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 The lower section of water intaking unit 1, it is connected by raw water pipeline 7 and sea water unit 1 of fetching water, water-retention Chemicals dosing plant 27 it is additionally provided with on regulating reservoir 21.The integral arrangement for the treatment of nature water unit is vertical, can Carry out filtering work making full use of the pressure of nature water column, remove the antibacterial in the former water of sea water, colloid With float and be unfavorable for the free chlorine etc. that reverse osmosis membrane works, this sea water preprocessing being vertically arranged System can make full use of Natural Water column pressure and carry out pretreatment, reduces power consumption.

This utility model additionally provides and utilizes geothermal energy resources to carry out desalinization and the work of generating process simultaneously Skill, processing step is as follows: by sea water water intaking unit, sea water is introduced treating nature water unit, removes sea Antibacterial, float, colloid, free chlorine in water；Former water after processing introduces hydroelectric generation unit, Former water potential energy is converted to electric energy；Former water after generating enters in former coolant-temperature gage regulation tank, at Yuan Shui Temperature regulation tank introduces underground heat heat energy former water is carried out homoiothermic process；Former water after homoiothermic passes through temperature Difference drives former water water replanishing device to inject reverse osmosis units, carries out the separation of fresh water and strong brine, and fresh water leads to Excess temperature difference drives fresh water lifting device to be exported ground by fresh water conveyance conduit, for fresh water user, Strong brine relies on the overbottom pressure of reverse osmosis units to be delivered to ground by strong brine conveyance conduit.Sea water therein It is flowed in the treating nature water unit being vertically arranged in flow by gravity mode by conveyance conduit, sea water Conveyance conduit can be pipeline or tunnel.

This utility model is to combine skyscraper and deep-well utilizes the desalinization of water column potential energy and geothermal energy Integrated with generation comprehensive development system, certain border on the sea city and adjacent inland city freshwater resources pole, this city Degree scarcity, this port city is on the verge of in the east certain ocean, to be possessed at subsurface degree of depth 3000-4000 rice The Geothermal Conditions of 120-160 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 instead Penetration sea water desalinization.

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 created still in this utility model Protection domain among.

Claims (9)

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).