CN106892473A - A kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method - Google Patents
A kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method Download PDFInfo
- Publication number
- CN106892473A CN106892473A CN201710178655.1A CN201710178655A CN106892473A CN 106892473 A CN106892473 A CN 106892473A CN 201710178655 A CN201710178655 A CN 201710178655A CN 106892473 A CN106892473 A CN 106892473A
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- China
- Prior art keywords
- evaporation tank
- cryosurface
- water
- fresh water
- arc
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The invention discloses system prepared by a kind of geother-mal power generation and fresh water, including producing well, inverted well, arc cryosurface, water leg, evaporation tank;The producing well is connected with evaporation tank, the arc cryosurface bottom is connected with water leg, the water leg is connected with evaporation tank top, and the arc cryosurface condensing water inlet end is connected with evaporation tank outlet, and the arc cryosurface condensation-water drain is connected with inverted well.The invention discloses system prepared by a kind of geother-mal power generation and fresh water, desalinized seawater by directly being heated using geothermal energy, with simple structure, it is easy to run, it is not necessary to be additionally provided the energy, operating cost is low, the advantage for maintaining easily.
Description
Technical field
The invention belongs to field of seawater desalination, and in particular to prepared by a kind of geothermal energy fresh water preparation system and geothermal energy fresh water
Method.
Background technology
Growth and the worsening shortages of freshwater resources with population, countries in the world face larger shortage of fresh water pressure
Power, desalinization is one and extremely has the promising approach for solving shortage of fresh water, but current desalination technology bag
Counter-infiltration, multistage flash evaporation, multi-effect distilling are included, generally existing is relatively costly, huge energy consumption, the problems such as inefficiency, and geothermal energy
There is renewable, the small advantage of effect on environment as a kind of new energy, using geothermal energy carry out desalinization be one very
Has potential potential settling mode.
Chinese patent literature CN 1485279A disclosed a kind of geothermal-energy seawater desalinating apparatus on March 31st, 2004, bag
The composition such as water injecting pump, pulsating pump, flash vessel, steam turbine, generator, condenser is included, seawater is injected underground heat rock by water injecting pump, is inhaled
Seawater after pump handle is heated through underground heat rock is pumped into flash vessel, from flash vessel Steam Actuation steam turbine rotation out, steamer
Machine drives generator to send electric energy, and fresh water is turned into from after the condensed device condensation of steam turbine vapor out, what generator sent
An electric energy part is powered to water injecting pump and pulsating pump, remainder input commercial power grid, so as to realize the low cost production of fresh water.
But, there is huge principle defect in the program, the steam pressure obtained from flash vessel exit is typically smaller than greatly
Atmospheric pressure because cannot pushing turbine acting, so as to patent purpose cannot be realized.
Chinese patent literature CN 101338736A disclosed a kind of method and of multi-energy sources power generation on January 7th, 2009
The method for planting multi-energy sources power generation and desalinization, its feature is comprised the following steps:The heat heated by heat source system in chimney is handed over
Parallel operation, raises the air themperature in chimney, and density declines, and rises along chimney, and air intake is passed through along from the cold air of surrounding
Mouth enters system, so as to form air circulation flow, steam-water separation plate is passed through using this strand of powerful air-flow, makes from sea water spray mist
A part of vaporific seawater sprayed in device becomes vapor by rapid vaporization, and vapor reaches fresh water recycle device quilt
Reclaim, air is discharged outside chimney;The big water droplet of another part salt content can not be vaporized, and sea is returned under gravity
Secondary cycle is used in water circulation case.
But the patent, come heating heat exchanger, due to there is heat transfer temperature difference, reduces the energy of thermal source by heat source system
Utilization ratio, and by heating after air carry out heating evaporation seawater, this mode inefficiency, on the other hand due to being provided with mist
Shape sea water spray mist device and heat exchanger system so that this body structure of device is complex.
The content of the invention
In view of this, an object of the present invention is to provide system prepared by a kind of geothermal energy fresh water, can be using ground
Heat energy prepares fresh water, and the second object of the present invention is to provide geothermal energy fresh water preparation method.
An object of the present invention is achieved through the following technical solutions:
A kind of geothermal energy fresh water preparation system, including producing well, inverted well, arc cryosurface, water leg, evaporation tank;Institute
State producing well to be connected with evaporation tank, the arc cryosurface bottom is connected with water leg, the water leg and evaporation tank top phase
Even, the arc cryosurface condensing water inlet end and evaporation tank are exported and are connected, the arc cryosurface condensation-water drain and recharge
Well is connected.
Further, the evaporation tank is convex evaporation tank, and the convex evaporation tank means that upper steam channel diameter is less than
The evaporation tank of bottom evaporation tank diameter.
Further, system also includes power generation sub-system, and the power generation sub-system includes blade, connecting shaft, generator;The leaf
Piece is located at the centre position of evaporation tank, and the blade is connected by connecting shaft with generator.
Further, it is provided with bypass duct between evaporation tank outlet and inverted well.
Further, supplement water input is connected with arc cryosurface condensing water inlet end.
The second object of the present invention is achieved through the following technical solutions:
Geothermal energy fresh water preparation method, including producing well, inverted well, cryosurface, water leg, evaporation tank, methods described bag
Include following steps:
Step one:From producing well extracting high-temperature underground heat steam to evaporation tank;
Step 2:Geothermal vapour is condensed on cryosurface, collects gained fresh water;
Step 3:By low temperature geothermal water together with supplement water recharge to inverted well.
Further, the geothermal energy fresh water preparation method, further comprising the steps of:
Step one:Low temperature geothermal water is delivered into cryosurface;
Step 2:Supplement water is delivered into cryosurface.
By adopting the above-described technical solution, the present invention has advantages below:
The invention discloses a kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method, by directly using ground
Energy heats desalinize seawater, with simple structure, it is easy to run, it is not necessary to be additionally provided the energy, and operating cost is low, maintains easily
Advantage.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out
Explanation:
Fig. 1 is principle assumption diagram of the invention.
In figure:1, inverted well;2, producing well;Generator;4, arc cryosurface;5, blade;6, water leg;8, fresh water output
End;9, supplement water input;10, evaporation tank;11, bypass duct.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
System prepared by a kind of geother-mal power generation and fresh water, including producing well 2, inverted well 1, arc cryosurface 4, water leg
6, evaporation tank 10;Producing well 2 is connected with evaporation tank 10, and the bottom of arc cryosurface 4 is connected with water leg 6, water leg 6 and evaporation tank
10 tops are connected, and the outlet of the condensing water inlet end of arc cryosurface 4 and evaporation tank 10 is connected, the condensation-water drain of arc cryosurface 4 and
Inverted well 1 is connected.The underground heat steam after geothermal energy is heated for coming up is extracted from producing well 2, by pipeline to evaporation
The side of pond 10;Steam is condensed on arc cryosurface 4, and arcuately cryosurface 4 flows automatically to water leg 6 to condensed fresh water, then
Fresh water is exported through fresh water output end.Geothermal vapour is gradually condensed in arc cryosurface 4, forms negative pressure, promotes GEOTHERMAL WATER to steaming
The hair opposite side of pond 10 is constantly flashed during flowing, and the low temperature geothermal water after flash distillation flows from the opposite side exit of evaporation tank 10
Go out, be subsequently conveyed to the condensing water inlet end of arc cryosurface 4, take away the heat discharged when geothermal vapour is condensed, arc is cold
Water at the solidifying condensation-water drain of face 4 is subsequently conveyed to inverted well 1, completes circulation.
As a further improvement, the evaporation tank 10 is convex evaporation tank, and the convex evaporation tank means upper steam
Evaporation tank of the channel diameter less than bottom evaporation tank diameter.
The system also includes power generation sub-system, and power generation sub-system includes blade 5, connecting shaft, generator 3;Blade 5 is located at evaporation
The centre in pond 10, blade 5 is connected by connecting shaft with generator 3.Because geothermal vapour temperature is high, density is small, and geothermal vapour is floating
The lower motion upwards of power effect, in the presence of negative pressure near arc cryosurface 4, geothermal vapour accelerates to be flowed to arc cryosurface 4,
Blade 5 is promoted to rotate, so as to drive connecting shaft to be further driven to generator 3 do work.
As a further improvement, exported in evaporation tank 10 and bypass duct 11 is provided with and inverted well 1 between, from evaporation tank
The low temperature geothermal water part in 10 exits is transported to arc cryosurface 4 for taking away the heat discharged when geothermal vapour is condensed
Amount, by recharge to inverted well 1 together with the water that another part export by bypass duct 11 with arc cryosurface 4, condenses in arc
Face 4 can also keep geothermal system water circulation stabilization when being stopped.
As a further improvement, supplement water input is connected with the condensing water inlet end of arc cryosurface 4.
The present invention also provides the fresh water preparation method of geothermal energy.
Including producing well, inverted well, cryosurface, water leg, evaporation tank, the described method comprises the following steps:
Step one:From producing well extracting high-temperature underground heat steam to evaporation tank;
Step 2:Geothermal vapour is condensed on cryosurface, collects gained fresh water;
Step 3:By low temperature geothermal water together with supplement water recharge to inverted well.
As a further improvement, method is further comprising the steps of:
Step one:Low temperature geothermal water is delivered into cryosurface;
Step 2:Supplement water is delivered into cryosurface.
The invention discloses a kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method, by directly using ground
Energy heats desalinize seawater, with simple structure, it is easy to run, it is not necessary to be additionally provided the energy, and operating cost is low, maintains easily
Advantage.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (7)
1. a kind of geothermal energy fresh water preparation system, it is characterised in that:Including producing well (2), inverted well (1), arc cryosurface
(4), water leg (6), evaporation tank (10);The producing well (2) is connected with evaporation tank (10), arc cryosurface (4) bottom
It is connected with water leg (6), the water leg (6) is connected with evaporation tank (10) top, arc cryosurface (4) condensing water inlet
End is connected with evaporation tank (10) outlet, and arc cryosurface (4) condensation-water drain is connected with inverted well (1).
2. a kind of geothermal energy fresh water preparation system according to claim 1, it is characterised in that:The evaporation tank steams for convex
Hair pond, the convex evaporation tank means evaporation tank of the upper steam channel diameter less than bottom evaporation tank diameter.
3. a kind of geothermal energy fresh water preparation system according to claim 1, it is characterised in that:Also include power generation sub-system,
The power generation sub-system include blade (5), connecting shaft, generator (3), the blade (5) positioned at the centre position of evaporation tank (10),
The blade (5) is connected by connecting shaft with generator (3).
4. a kind of geothermal energy fresh water preparation system according to claim 1, it is characterised in that:Evaporation tank (10) outlet with
Bypass duct (11) is provided between inverted well (1).
5. a kind of geothermal energy fresh water preparation system according to claim 1 or 2 or 3, it is characterised in that:Supplement water input
It is connected with arc cryosurface (4) condensing water inlet end.
6. geothermal energy fresh water preparation method, it is characterised in that:Including producing well, inverted well, cryosurface, water leg, evaporation tank, institute
The method of stating is comprised the following steps:
Step one:From producing well extracting high-temperature underground heat steam to evaporation tank;
Step 2:Geothermal vapour is condensed on cryosurface, collects gained fresh water;
Step 3:By low temperature geothermal water together with supplement water recharge to inverted well.
7. the geothermal energy fresh water preparation method according to claims 6, it is characterised in that further comprising the steps of:
Step one:Low temperature geothermal water is delivered into cryosurface;
Step 2:Supplement water is delivered into cryosurface.
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CN201710178655.1A CN106892473A (en) | 2017-03-23 | 2017-03-23 | A kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method |
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CN201710178655.1A CN106892473A (en) | 2017-03-23 | 2017-03-23 | A kind of geothermal energy fresh water preparation system and geothermal energy fresh water preparation method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159497A (en) * | 2019-04-29 | 2019-08-23 | 中国科学院广州能源研究所 | A kind of light co-generation system of island geothermal energy electricity |
CN110878739A (en) * | 2019-12-14 | 2020-03-13 | 燕山大学 | Salt gradient solar cell power generation device |
CN112370805A (en) * | 2020-10-22 | 2021-02-19 | 黄细女 | Can improve chemical industry distiller who collects efficiency along with atmospheric pressure changes |
CN112537812A (en) * | 2020-11-12 | 2021-03-23 | 唐伟聪 | Geothermal energy power generation and fresh water preparation device and geothermal energy fresh water preparation method thereof |
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JPS62214278A (en) * | 1986-03-14 | 1987-09-21 | Mitsubishi Heavy Ind Ltd | Geothermal power generation system |
CN2463019Y (en) * | 2000-12-08 | 2001-12-05 | 中国科学院青海盐湖研究所 | High-efficiency tower distilling apparatus |
CN2500668Y (en) * | 2001-08-06 | 2002-07-17 | 刘佳锋 | Water distiller |
CN1485279A (en) * | 2002-09-28 | 2004-03-31 | 姚福来 | Geothermal-energy seawater desalinating apparatus |
CN202023706U (en) * | 2011-04-01 | 2011-11-02 | 中国科学院广州能源研究所 | Device for carrying out flash evaporation electricity generation and recovering distilled water by using terrestrial heat |
CN103244364A (en) * | 2013-05-02 | 2013-08-14 | 天津大学 | Construction-used geothermal energy low temperature generator set |
TW201534817A (en) * | 2014-03-14 | 2015-09-16 | Cheng-Yan Gao | Geothermal moist steam power generation system |
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2017
- 2017-03-23 CN CN201710178655.1A patent/CN106892473A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62214278A (en) * | 1986-03-14 | 1987-09-21 | Mitsubishi Heavy Ind Ltd | Geothermal power generation system |
CN2463019Y (en) * | 2000-12-08 | 2001-12-05 | 中国科学院青海盐湖研究所 | High-efficiency tower distilling apparatus |
CN2500668Y (en) * | 2001-08-06 | 2002-07-17 | 刘佳锋 | Water distiller |
CN1485279A (en) * | 2002-09-28 | 2004-03-31 | 姚福来 | Geothermal-energy seawater desalinating apparatus |
CN202023706U (en) * | 2011-04-01 | 2011-11-02 | 中国科学院广州能源研究所 | Device for carrying out flash evaporation electricity generation and recovering distilled water by using terrestrial heat |
CN103244364A (en) * | 2013-05-02 | 2013-08-14 | 天津大学 | Construction-used geothermal energy low temperature generator set |
TW201534817A (en) * | 2014-03-14 | 2015-09-16 | Cheng-Yan Gao | Geothermal moist steam power generation system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159497A (en) * | 2019-04-29 | 2019-08-23 | 中国科学院广州能源研究所 | A kind of light co-generation system of island geothermal energy electricity |
CN110878739A (en) * | 2019-12-14 | 2020-03-13 | 燕山大学 | Salt gradient solar cell power generation device |
CN112370805A (en) * | 2020-10-22 | 2021-02-19 | 黄细女 | Can improve chemical industry distiller who collects efficiency along with atmospheric pressure changes |
CN112537812A (en) * | 2020-11-12 | 2021-03-23 | 唐伟聪 | Geothermal energy power generation and fresh water preparation device and geothermal energy fresh water preparation method thereof |
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Application publication date: 20170627 |