CN205528228U - System for it handles to utilize geothermal resource to carry out seawater desalination - Google Patents

Abstract

The utility model discloses a system for it handles to utilize geothermal resource to carry out seawater desalination, 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 and there is raw water moisturizing unit, reverse osmosis unit and the temperature difference drive fresh water of suitable head fall to promote the unit with former pretreatment of water unit, geothermol power is got hot cell by heating pipeline and is promoted unit output heat energy to temperature difference drive raw water moisturizing unit and temperature difference drive fresh water respectively, the sea water is at first through the pressurization of temperature difference drive raw water moisturizing unit behind former pretreatment of water unit operation to get into reverse osmosis unit, the sea water becomes fresh water and strong brine with former separation of water after the reverse osmosis desalination, relies on the difference in temperature to drive the promotion of accomplishing fresh water and strong brine, realizes geothermol power heat energy to flow of water transformation of energy, solves the social concern that present fresh water is in short supply.

Description

A kind of system utilizing geothermal energy resources to carry out desalinization process

Technical field

This utility model belongs to desalinization and geothermal energy and water potential energy application, particularly to one Geothermal energy resources are utilized to carry out the system of desalinization process, and a kind of new geothermal energy utilization and conversion Mode.

Background technology

Current international and domestic desalinization is broadly divided into the way of distillation (full-boiled process) and reverse osmosis (embrane method) two is big Class, concrete desalination technology more than more than 20 plant, 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 There is maximization and large (single device aquifer yield the most up to daily output fresh water 40,000～50,000 Ton), adapt to pollute weight bay water, there is the advantage that pretreatment expense is low；But beyond the Middle East Area is with hyperfiltration as first-selection.

Different method for desalting seawater is adapted to different other industry of geography, weather, water quality and periphery and sets The condition feature executed, but common method for desalting seawater, either full-boiled process or embrane method, rely on simple The Technical comparing of a kind of energy many, be required for expending a large amount of fuel or electric energy, cost 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 desalinization The system processed, it utilizes the Geothermal Conditions in coastal cities, a large amount of during reverse osmosis seawater desalting Introduce geothermal energy clean energy resource, it is possible to use the combination skyscraper of on-fuel non-electricity and deep-well from So water column potential energy, and it is combined with the method that geothermal energy carries out desalinization and fresh water promotes, replace general The logical method carrying out desalinization by consuming electric power or consumption fuel.

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 to carry out desalinization process, including Sea water water intaking unit, be positioned at the treating nature water unit of b.s.l., and with treating nature water list Unit has the underground heat of applicable head fall to take hot cell, temperature difference drives former water moisturizing unit, reverse osmosis list Unit and temperature difference drive fresh water lift unit, and sea water is through the former water described in the water intaking unit entrance of described sea water Pretreatment unit, removes the antibacterial in the former water of sea water, float, colloid, free chlorine；

Described underground heat takes hot cell for driving former water moisturizing unit and temperature difference to drive to described temperature difference Fresh water lift unit output heat energy；

Described temperature difference drives former water moisturizing unit to include, and former coolant-temperature gage regulation tank, temperature difference drive former water Water replanishing device, described former coolant-temperature gage regulation tank is by raw water pipeline with described sea water water intaking unit even Connect, and take hot cell by jet chimney with described underground heat and be connected, for entering described former coolant-temperature gage Former water in regulation tank carries out temperature regulation；Described temperature difference drives former water water replanishing device respectively with described Reverse osmosis units and former coolant-temperature gage regulation tank connect, for by the former water in described former coolant-temperature gage regulation tank It is supplemented in described reverse osmosis units；

Described reverse osmosis units, for desalinating former water, isolates fresh water and strong brine after infiltration, Described strong brine is delivered to ground by the overbottom pressure of described reverse osmosis units by strong brine conveyance conduit；

Described temperature difference drive fresh water lift unit include the fresh-water tank that connects with described reverse osmosis units and The driving fresh water lifting device being connected with described fresh-water tank, described underground heat takes hot cell to described driving Fresh water lifting device output heat energy, is delivered to be located above sea level by fresh water conveyance conduit by fresh water Ground on.

Described system also includes that one utilizes water column to keep the pressurizer of pressure, and described pressurizer includes The water column pipe well elevated above the soil and pressurize buffer gear, described pressurize buffer unit respectively with described water Column jecket well, reverse osmosis units 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 connects with described water column pipe well and reverse osmosis units respectively.

Described driving former water water replanishing device and drive fresh water lifting device include respectively a 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 and is connected, and sets in its chamber Have and take, with described underground heat, the geothermal heat pipeline that hot cell is connected, for by indoor for described circulating-heating light Water heats；

Described circulating cooling room and described raw water pipeline communication, be provided with in its chamber and the described temperature difference Phase transformation promotes the cooling line that room is connected, and 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 Alternate transport in described circulation chamber, make the working medium in described phase transformation driving cylinder alternately occur liquid and The phase transformation of gaseous state drives piston, thus drives 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, underground heat heat removing tube road, heat storage box and geothermal applications user, described underground heat adds Hot well is positioned in the rock stratum of described geothermal source, and described underground heat moisturizing pipeline connects with described underground heat recharge well, Described underground heat recharge well takes hot well and connects with described geothermal heating well respectively with described underground heat, described underground heat The two ends in heat removing tube road connect with described geothermal heating well, heat storage box respectively, and described geothermal applications is used Family connects with described heat storage box respectively；Described circulating-heating room and former coolant-temperature gage regulation tank respectively with institute The underground heat heat removing tube road stated is connected.

Described geothermal source is preferably dry-hot-rock geothermal source, it would however also be possible to employ other thermals source, described underground heat Heated well is positioned horizontally in xeothermic underground heat rock or in its geothermal 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 is pipeline or tunnel.

The former coolant-temperature gage in former coolant-temperature gage regulation tank after homoiothermic is 20-30 DEG C.

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 etc. to combine, both possessed some functions of development of real estate, it may have tourism Development function；The deep-well built both can be used to keep water column potential energy, it is possible to use for skyscraper Quite firm deep foundation, decrease the foundation construction expense of skyscraper, achieve many things at one stroke, not only Take full advantage of the low-carbon (LC) new forms of energy such as geothermal energy, water potential energy, be also fully utilized by strong brine and travel Industry is developed, and has not only expanded the Land use systems of new forms of energy, has saved a large amount of fuel energy, with low cost Produce substantial amounts of fresh water, solve the social problem that current fresh water is in short supply, change in the world that fresh water is day by day The situation lacked, improves the water supply condition of water-deficient area, improves the living standard of the people, moreover it is possible to will Fresh water is with relatively low cost water delivery to water-deficient area farther out, and this utility model not only can produce huge Social benefit, it is also possible to produce huge economic benefit, by social development and living standards of the people Improve, have 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. sea water is taken by flow by gravity, it is not necessary to the former water of extracting seawater, in the case of salt rejection rate 40%, Have only to carry the fresh water accounting for former water volume 40%, thus save sea water extraction cost；

B. the treating nature water unit used is to be realized by flow by gravity, pretreatment ultra-filtration process Pressure also utilizes Natural Water column pressure, saves pretreatment cost；

C. this utility model is to combine skyscraper and deep-well structure, utilizes reverse osmosis to realize desalinization, And utilize geothermal energy to carry out moisturizing and the design treatment in accordance with local conditions of fresh water lifting, make full use of low-carbon (LC) new forms of energy, It is reverse osmosis pressurization without extra electric pump, saves a large amount of electric energy.

D. this utility model utilizes temperature difference to drive the temperature difference former water supplementary device supplement former water and order about fresh water Lifting device promotes fresh water, saves water pump investment cost and water pump running cost；

E. by proposing strong brine Land use systems after new desalination, open for the tourism of hot-spring type artificial dead-sea Sending out, revenue source increases, and income level improves.

Accompanying drawing explanation

Fig. 1 is desalinization process flow block diagram provided by the utility model；

Fig. 2 is this utility model one desalination treatment system horizontal layout schematic diagram；

Fig. 3 is that the temperature difference in Fig. 2 drives the structure of fresh water lift unit to arrange 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 actuation 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-temperature difference drives former water moisturizing unit, and 41-former coolant-temperature gage regulation tank, 42-temperature difference drives former Water water replanishing device；

5-reverse osmosis units；

6-temperature difference drives fresh water lift unit, 61-fresh-water tank, and 62-temperature difference drives fresh water to promote dress Put；

7-raw water pipeline；8-jet chimney；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-underground power house；103- Deep-well structure；104-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 following 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 sea water The system that desalination processes, including sea water water intaking unit 1, is positioned at the treating nature water unit of b.s.l. 2 and have the underground heat of applicable head fall to take hot cell 3 with treating nature water unit 2, temperature difference is driven Dynamic former water moisturizing unit 4, reverse osmosis units 5 and temperature difference drive fresh water lift unit 6, and sea water is through sea Water water intaking unit 1 enters treating nature water unit 2, removes the antibacterial in the former water of sea water, float, glue Body and free chlorine；Underground heat takes hot cell 3 for driving former water moisturizing unit 4 and temperature difference to temperature difference Fresh water lift unit 6 is driven to export heat energy；Temperature difference drives former water moisturizing unit 4 to include former coolant-temperature gage Regulation tank 41, temperature difference drive former water water replanishing device 42, and former coolant-temperature gage regulation tank 41 is defeated by former water Send pipeline 7 to be connected with sea water water intaking unit 1, and take hot cell 3 even by geothermal heat pipeline 8 and underground heat Connect, for the former water entered in former coolant-temperature gage regulation tank 41 is carried out temperature regulation；Temperature difference drives former Water water replanishing device 42 regulates tank 41 with reverse osmosis units 5 and former coolant-temperature gage respectively and is connected, for by former Former water in coolant-temperature gage regulation tank 41 is supplemented in reverse osmosis units 5；

Reverse osmosis units therein 5 for former water is desalinated, isolate after reverse osmosis fresh water and Strong brine, strong brine is delivered to ground by the overbottom pressure of reverse osmosis units 5 by strong brine conveyance conduit 9, Carry out the exploitation of salt-water applications project 60, such as extract salinity therein for salt making enterprises, it is also possible to Utilizing strong brine exploitation is hot-spring type artificial dead-sea, may be used for health care etc. after adding Chinese medicine.

Temperature difference therein drives fresh water lift unit 6 to include the fresh-water tank connected with reverse osmosis units 5 61 and the temperature difference that is connected with fresh-water tank 61 drive fresh water lifting device 62, underground heat takes hot cell 3 Fresh water lifting device 62 is driven to export heat energy to temperature difference, fresh water is defeated by fresh water conveyance conduit 10 Deliver on the ground that is located above sea level, and be delivered in the fresh water storage tank 70 of high-rise, use Use in 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, accompanying drawing 1-6 is additionally provided with at pipeline and controls the stop valve 101 of former taps.

As in figure 2 it is shown, this system also includes underground power house 102, deep-well structure 103 and skyscraper 104, former water moisturizing unit 4, reverse osmosis units 5 and temperature difference drive fresh water lift unit 6 to be positioned in ground In lower Factory Building 102, one end of deep-well structure 103 connects with underground power house 104, and its other end extends On skyscraper 104, strong brine conveyance conduit 9 and fresh water conveyance conduit 10 are stretched by underground power house 102 To deep-well structure 103, and fresh water and strong brine are delivered in skyscraper 104.So deep Well construction and underground power house, simultaneously as the deep foundation of skyscraper, save the capital construction of skyscraper Expense, achieves 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 with geothermal energy and carry out desalinization.

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 102, 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.

Temperature difference therein drives former water moisturizing unit 4 as shown in Figure 6, and temperature difference drives fresh water to promote Unit 6 is as it is shown on figure 3, both includes a circulating-heating room 301, circulating cooling room 302, the temperature difference Phase transformation promotes room 303 and transmission pump；Circulating-heating room 301 promotes room with fresh-water tank 61 and temperature difference phase transformation 303 are connected, and be provided with and take the geothermal heat pipeline 8 that hot cell 3 is connected with underground heat in its chamber, and being used for will Fresh water heating in circulating-heating room 301；

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 thermal cycle and geothermal heating unit, sea water is entered Trip temperature regulates, and 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 gesture Can carry out instead under the pressure environment of kept pressure (the suitable services pressure 5Mpa-7Mpa of reverse osmosis membrane) Penetration sea water desalinization.

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 special working medium in phase change chamber (working medium as special in certain at 45 DEG C, under 6Mpa pressure, Gaseous state can be become, but at 20 DEG C, under 6Mpa, just can become liquid) alternately there is gas phase and liquid phase Change externally do work driving piston, mainly comprise two processes:

1). during the input hot water of Working fluid phase changing room, special working medium becomes gaseous state, external expansion work, drives Piston, meanwhile, water feeding one-way valve is closed, and goes out water one-way valve and opens, is entered separately by the hydraulic pressure in plunger shaft In an outer pressure environment, complete moisturizing or promote work；

2). during the input cold water of Working fluid phase changing room, special working medium becomes liquid, and piston falls after rise, goes out meanwhile Water one-way valve is closed, and water feeding one-way valve opens, by other side the water relatively low without pressure or pressure inhale Enter in plunger shaft；

3). repetitive process 1), 2), the extrusion of continuous recirculated water and suction process；Realize the temperature difference to drive Dynamic moisturizing 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.

Utility model is it addition, treating nature water unit 2 provided by the utility model includes presenting bottom Put and be sequentially connected in series water-retention regulating reservoir 21 and preliminary pretreatment unit 22, the micro-filtration 23 of setting, surpass Filter device 24, cartridge filter 25, flow by gravity sea water aqueduct 26, water-retention regulating reservoir 21 In the lower section of sea water water intaking unit 1, it is connected with sea water water intaking unit 1 by raw water pipeline 7, Chemicals dosing plant 27 it is additionally provided with on water-retention regulating reservoir 21.The integral arrangement for the treatment of nature water unit is vertical, The pressure that can make full use of nature water column carries out filtering work, removes the antibacterial in the former water of sea water, glue Body and float and be unfavorable for the free chlorine etc. that reverse osmosis membrane works, this sea water being vertically arranged is located in advance Reason system can make full use of Natural Water column pressure and carry out pretreatment, reduces power consumption.

This utility model additionally provides a kind of desalinization and processes technique, is introduced former by pipeline by sea water Water pretreatment unit, removes antibacterial, float, colloid, free chlorine in sea water；Will process after former Water introduces and is positioned at the underground power house under skyscraper and deep-well, and former water initially enters the regulation of former coolant-temperature gage Tank, and in former coolant-temperature gage regulation tank, introduce the underground heat heat energy former water to entering in former coolant-temperature gage regulation tank Carry out homoiothermic process；Former water after the homoiothermic temperature difference in underground power house again drives former water water replanishing device And reverse osmosis units, former water is carried out successively ftercompction and desalination by reverse osmosis processes, obtain fresh water and dense salt Water；Gained fresh water temperature difference in underground power house drives fresh water lifting device defeated by fresh water conveyance conduit Going out ground, for fresh water user, the overbottom pressure of gained strong brine dependence reverse osmosis units is defeated by strong brine Pipeline is sent to be delivered to ground.Sea water therein is flowed into vertically in flow by gravity mode by conveyance conduit In the treating nature water unit arranged, sea water conveying pipelines 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 And comprehensive exploitation system is integrated, certain the adjacent inland city in city and this city freshwater resources that border on the sea is the most deficient Weary, this port city is on the verge of certain ocean, possess 120-160 at subsurface degree of depth 3000-4000 rice in the east The Geothermal Conditions of degree, and normal temperature seawater (cold state: winter, 4.4 DEG C；Intermediate state: spring and autumn 7 DEG C-17 DEG C, High temperature state: 17 DEG C-26 DEG C；Seawater quality is preferable, is suitable for utilizing reverse osmosis membrane to carry out reverse osmosis sea water light Change.

Such as: this 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 the demonstration project of comprehensive exploitation system factory, intend utilizing The deep-well of 300 meters of high skyscrapers and 300 meters forms the water column of the pressure 60MPa of 600 meters high, sea Water intake is positioned at the minimum b.s.l. of offshore 3 kilometers 2 meters, by laying marine pipeline and building If sea water is directed to, at the sea water preprocessing collecting-tank at deep-well, utilize low by tunnel by flow by gravity Water column pressure, flows through the treating nature water unit being vertically arranged by flow by gravity sea water aqueduct 26 Carry out microfiltration ultrafiltration pretreatment respectively, pretreated sea water is transported to be positioned at b.s.l. 300 Carrying out desalinization by reverse osmosis units in the underground power house of rice, the water in water column pipe well is until building Building thing top, water column is high 600 meters, in order to keep the pressure required for reverse osmosis, and passes through temperature difference Drive sea water former water water replanishing device constantly will to have the sea water suitably desalinating temperature from former through thermoregulator Add in sea-water reverse osmose desalination unit in coolant-temperature gage regulation tank, utilize the Natural Water column pressure of 6Mpa Carrying out desalination by reverse osmosis, the fresh water after desalination utilizes temperature difference acting sea-water reverse osmose desalination to be formed Fresh water is promoted to the fresh water storage tank on skyscraper differing heights, by flow by gravity be transported to different away from From territory, Water District for user.A strong brine part is used for salt manufacturing, and a part utilizes geothermal heating Afterwards for the tourism development project of 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 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 (7)

1. one kind utilizes the system that geothermal energy resources carry out desalinization process, it is characterised in that include sea Water water intaking unit (1), be positioned at the treating nature water unit (2) of b.s.l., and with former water Pretreatment unit (2) has the underground heat of applicable head fall to take hot cell (3), temperature difference drives former water Moisturizing unit (4), reverse osmosis units (5) and temperature difference drive fresh water lift unit (6), sea water Treating nature water unit (2) described in entering through described sea water water intaking unit (1), removes sea water former Antibacterial in water, float, colloid, free chlorine；

Described underground heat take hot cell (3) for described temperature difference drive former water moisturizing unit (4) and Temperature difference drives fresh water lift unit (6) output heat energy；

Described temperature difference drives former water moisturizing unit (4) to include former coolant-temperature gage regulation tank (41), temperature Difference drives former water water replanishing device (42), and described former coolant-temperature gage regulation tank (41) is by raw water pipe Road (7) is connected with described sea water water intaking unit (1), and by geothermal heat pipeline (8) and described underground heat Take hot cell (3) to connect, for the former water entered in described former coolant-temperature gage regulation tank (41) is carried out Temperature regulates；Described temperature difference drive former water water replanishing device (42) respectively with described reverse osmosis units (5) Connect with former coolant-temperature gage regulation tank (41), for will described former coolant-temperature gage regulate in tank (41) former Water is supplemented in described reverse osmosis units (5)；

Described reverse osmosis units (5) for former water is desalinated, isolate after reverse osmosis fresh water and Strong brine, described strong brine by the overbottom pressure of described reverse osmosis units (5) by strong brine conveyance conduit (9) it is delivered to ground；

Described temperature difference drives fresh water lift unit (6) to include connecting with described reverse osmosis units (5) Fresh-water tank (61) and the temperature difference that is connected with described fresh-water tank (61) drive fresh water lifting device (62), described underground heat take hot cell (3) to described temperature difference drive fresh water lifting device (62) defeated Go out heat energy, fresh water is passed through on the ground that fresh water conveyance conduit (10) is delivered to be located above sea level.

System the most according to claim 1, it is characterised in that described system also includes a utilization Water column keeps the pressurizer (20) of pressure, and described pressurizer (20) includes the water elevated above the soil Column jecket well (201) and pressurize buffer gear (202), described pressurize buffer unit is respectively with described Water column pipe well (201), reverse osmosis units (5) connect.

System the most according to claim 2, 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 connect with described water column pipe well (201) and reverse osmosis units (5) respectively.

System the most according to claim 3, it is characterised in that described temperature difference drives former water to mend Water device (42) and temperature difference drive fresh water lifting device (62) include respectively a circulating-heating room (301), Circulating cooling room (302), temperature difference phase transformation promote room (303) and transmission pump；

Described circulating-heating room (301) promotes room (303) with described fresh-water tank (61) and temperature difference phase transformation It is connected, is provided with in its chamber and takes the geothermal heat pipeline (8) that hot cell (3) is connected with described underground heat, For the fresh water in described circulating-heating room (301) is heated；

Described circulating cooling room (302) connects with described raw water pipeline (7), sets in its chamber Have and promote the cooling line (40) that room (303) is connected, described cooling line with described temperature difference phase transformation (40) 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 institute Stating phase transformation driving cylinder (3032) is divided into fresh water to promote room (30321) and Working fluid phase changing room (30322), Described Working fluid phase changing room (30322) is positioned at described circulation chamber (3031), and described fresh water promotes room (30321) be respectively provided with on a water inlet being connected with described fresh-water tank (61) and one with described fresh water The outlet that conveyance conduit (10) is 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) working medium in alternately occurs the phase transformation of liquid and gaseous state to drive piston, thus drives fresh water to carry Rise.

System the most according to claim 4, it is characterised in that described underground heat takes hot cell (3) Hot well (32), geothermal source (33), geothermal heating well is taken including underground heat recharge well (31), underground heat (34), underground heat moisturizing pipeline (35), underground heat heat removing tube road (36), heat storage box (37) and ground Heat application user (38), described geothermal heating well (34) is positioned at the rock stratum of described geothermal source (33) In, described underground heat moisturizing pipeline (35) connects with described underground heat recharge well (31), vulcanizes describedly Well (31) takes hot well (32) and connects with described geothermal heating well (34) respectively with described underground heat, The two ends of described underground heat heat removing tube road (36) respectively with described geothermal heating well (34), heat storage box (37) Connection, described geothermal applications user (38) connects with described heat storage box (37) respectively；Described Circulating-heating room (301) and former coolant-temperature gage regulation tank (41) respectively with described underground heat heat removing tube road (36) It is connected.

System the most according to claim 5, it is characterised in that described geothermal source (33) is Xeothermic underground heat rock geothermal source, described geothermal heating well (34) is positioned horizontally in xeothermic underground heat rock geothermal source.

7. according to the arbitrary described system of claim 1-6, it is characterised in that described treating nature water Water-retention regulating reservoir (21) that unit (2) includes being sequentially connected in series setting in upper-lower position and preliminary pretreatment Device (22), micro-filtration (23), ultrafiltration apparatus (24), cartridge filter (25), weight Power gravity flow sea water aqueduct (26), it is single that described water-retention regulating reservoir (21) is positioned at the water intaking of described sea water The lower section of unit (1), it is connected by raw water pipeline (7) and described sea water unit (1) of fetching water, It is additionally provided with chemicals dosing plant (27) on described water-retention regulating reservoir (21).