CN207261183U - A kind of hot dry rock electricity generation system - Google Patents
A kind of hot dry rock electricity generation system Download PDFInfo
- Publication number
- CN207261183U CN207261183U CN201720989212.6U CN201720989212U CN207261183U CN 207261183 U CN207261183 U CN 207261183U CN 201720989212 U CN201720989212 U CN 201720989212U CN 207261183 U CN207261183 U CN 207261183U
- Authority
- CN
- China
- Prior art keywords
- medium
- heat
- heat exchanger
- waters
- hot dry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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 utility model belongs to geothermal energy development technical field, more particularly to hot dry rock electricity generation system.Including individual well working medium (1), medium input pipe (2), heat exchanger (6), medium efferent duct (3), high-pressure pump (4), thermal power generator (5), waters (9) and heat-conduction medium (10), medium input pipe (2), heat exchanger (6), medium efferent duct (3), high-pressure pump (4) are connected with thermal power generator (5)；Individual well working medium (1) bottom sets waters (9), and it is inner that heat exchanger (6) is arranged on waters (9).Solves the technical problem that hot dry rock electricity generation system heat exchanger effectiveness of the prior art is low, easily blocks.
Description
Technical field
The utility model belongs to geothermal energy development technical field, more particularly to hot dry rock electricity generation system.
Background technology
At present, geothermal power station is generated electricity using higher geotemperature, according to China's underground heat national standard
The regulation of GB11615-89, only geotemperature could be used to generate electricity between 90 DEG C~150 DEG C, be sent out for existing underground heat
For electricity, there are following deficiency：
It is 1. with high costs：When existing geothermal power generation temperature needs to reach 90 DEG C~150 DEG C, the drilling depth of its geothermal well
5000m or so is up to, is calculated according to average 2670 yuan/ meter Jin Hang, only drilling cost is just up to 13,350,000 yuan/hole, cost
It is high.
2nd, all it is directly to inject normal-temperature water in hot dry rock well in currently available technology, then water can pass through well and pressure-break
Flow back again after gap as in outlet well or outlet, and it is this on the one hand can be carried by the water of underground gap or missile silo it is a large amount of
Impurity, in addition water CaCO can be also formed after high temperature is circulated through for a long time3Deng sediment, so as to block pipeline or broken evil idea is set
It is standby.If do not take by normal-temperature water diameter injection well by pressure break gap and using heat exchanger when, due to heat exchanger
It cannot be come into full contact with xeothermic rock stratum, therefore heat exchanger effectiveness can substantially reduce again.
Utility model content
The utility model provides a kind of new hot dry rock electricity generation system, solves hot dry rock power generation of the prior art
System heat exchanger effectiveness is low, the technical problem easily blocked.
Concrete technical scheme is the hot dry rock electricity generation system, including individual well working medium, medium input pipe, heat exchanger, Jie
Matter efferent duct, high-pressure pump, thermal power generator, waters and heat-conduction medium, medium input pipe, heat exchanger, medium efferent duct, height
Press pump is connected with thermal power generator；Individual well working medium bottom sets waters, and heat exchanger is arranged in waters.Individual well working medium is by ground
Table directly enters xeothermic rock stratum, and medium input pipe, heat exchanger and medium efferent duct are arranged in individual well working medium, and heat exchanger is set
Put in xeothermic rock stratum；A cavity is provided with the bottom of individual well working medium and then injection water in the inside forms the waters of certain depth again,
Then heat exchanger is arranged in waters；Heat-conduction medium enters heat exchanger by medium input pipe, because heat exchanger is set
Put in waters, and waters is arranged on xeothermic rock stratum, therefore heat exchange can be sufficiently carried out, the then heat friendship by heating
Change medium to be extracted under the action of high-pressure pump outside individual well working medium and then by thermal power generator, convert thermal energy into electric energy, so
Reused afterwards again by medium input pipe into heat exchanger.
The bottom of the further individual well working medium is additionally provided with pressure break gap, and pressure break gap is connected with waters.
The further hot dry rock electricity generation system further includes a liquid level meter.
Further heat-conduction medium is liquid heat-conduction medium.
The further heat-conduction medium is liquid metal.
The further heat-conduction medium is gaseous heat conduction medium.
Beneficial effect：
1st, by heat exchanger being arranged in high temperature waters so as to greatly improve heat exchanger effectiveness, additionally by directly general
Heat-conduction medium is arranged on medium input pipe, heat exchanger, medium efferent duct, high-pressure pump and the thermal energy hair of hot dry rock electricity generation system
In the circulatory system that motor is formed, do not contacted directly with hot dry rock, mineral matter is brought and precipitate into so as to avoid impurity
Formation.
2nd, the heat exchanger effectiveness of waters and hot dry rock is increased by being provided with pressure break gap in the bottom of individual well working medium.
3rd, setting for liquid level meter can facilitate the water level that timely check waters.
4th, the specific heat capacity higher electrical generation efficiency of liquid heat-conduction medium is also optimal.
5th, the setting of transmitting medium liquid metal makes heat conduction efficiency higher and specific heat capacity is also of a relatively high, significantly improves heat
The generating efficiency of energy generator.
6th, heat-conduction medium makes whole hot dry rock electricity generation system to meet low temperature for the setting of gaseous heat conduction medium
The utilization of power generation.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed for embodiment description will be made below
It is simple to introduce, it should be apparent that, drawings in the following description are only some embodiments of the utility model, common to this area
For technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings, these
The technical solution that attached drawing is directly obtained should also belong to the protection scope of the utility model.
Fig. 1 is the structure diagram of the utility model.
Description of reference numerals：1st, individual well working medium；2nd, medium input pipe；3rd, medium efferent duct；4th, high-pressure pump；5th, heat energy power-generating
Machine；6th, heat exchanger；7th, pressure break gap；8th, liquid level meter；9th, waters；10th, heat-conduction medium.
Embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below to the utility model
Embodiment elaborate.Many details are elaborated in the following description in order to fully understand this practicality
It is new.But the utility model can be much to implement different from other manner described here, those skilled in the art can
To do similar improvement in the case of without prejudice to the utility model connotation, therefore the utility model is from following public specific real
Apply the limitation of mode.
Embodiment 1 is as shown in Figure 1, the hot dry rock electricity generation system, including individual well working medium 1, medium input pipe 2, heat exchange
Device 6, medium efferent duct 3, high-pressure pump 4, thermal power generator 5, waters 9 and heat-conduction medium 10, medium input pipe 2, heat exchanger
6th, medium efferent duct 3, high-pressure pump 4 are connected to form heat-conduction medium circulator with thermal power generator 5；1 bottom of individual well working medium
Waters 9 is set, and heat exchanger 6 is arranged in waters 9.Individual well working medium 1 is directly entered xeothermic rock stratum by earth's surface, and medium input pipe 2, heat are handed over
Parallel operation 6 and medium efferent duct 3 are arranged in individual well working medium 1, and heat exchanger 6 is arranged on xeothermic rock stratum；In individual well working medium 1
Bottom is provided with a cavity and then injection water in the inside forms the waters 9 of certain depth again, and then heat exchanger is arranged on waters 9
In, that is, waters 9 floods heat exchanger 6；Heat-conduction medium 10 enters heat exchanger 6 by medium input pipe 2, because heat is handed over
Parallel operation 6 is arranged in waters 9, and waters 9 is arranged on xeothermic rock stratum, therefore can sufficiently carry out heat exchange, is then passed through
Heat exchange medium 10 after heating is extracted outside individual well working medium 1 under the action of high-pressure pump 4 then by thermal power generator 5, will
Thermal energy is converted into electric energy, and then entering the progress Repeat-heating of heat exchanger 6 again by medium input pipe 2 recycles.Pass through
Heat exchanger is arranged in high temperature waters so as to greatly improving heat exchanger effectiveness, additionally by directly setting heat-conduction medium
Followed what the medium input pipe of hot dry rock electricity generation system, heat exchanger, medium efferent duct, high-pressure pump and thermal power generator were formed
In loop system, do not contacted directly with hot dry rock, so as to avoid the formation for bringing and precipitating mineral matter into of impurity.
Embodiment 2, the hot dry rock electricity generation system as shown in Figure 1, including individual well working medium 1, medium input pipe 2, heat exchange
Device 6, medium efferent duct 3, high-pressure pump 4, thermal power generator 5, waters 9 and distilled water 10, medium input pipe 2, heat exchanger 6, be situated between
Matter efferent duct 3, high-pressure pump 4 are connected to form heat-conduction medium circulator with thermal power generator 5；1 bottom of individual well working medium is set
Waters 9, heat exchanger 6 are arranged in waters 9.The bottom of the further individual well working medium 1 is additionally provided with pressure break gap 7, presses
Crack gap 7 is connected with waters 9.Individual well working medium 1 is directly entered xeothermic rock stratum, medium input pipe 2, heat exchanger 6 and medium by earth's surface
Efferent duct 3 is arranged in individual well working medium 1, and heat exchanger 6 is arranged on xeothermic rock stratum；It is provided with the bottom of individual well working medium 1
One cavity and then the again waters 9 of the inside injection water formation certain depth, then heat exchanger is arranged in waters 9, that is, water
Heat exchanger 6 is flooded in domain 9；Distilled water 10 enters heat exchanger 6 by medium input pipe 2, because heat exchanger 6 is arranged on waters
In 9, and waters 9 is arranged on xeothermic rock stratum, therefore can sufficiently carry out heat exchange, then the distilled water 10 after heating
It is extracted under the action of high-pressure pump 4 outside individual well working medium 1 and then by thermal power generator 5, converts thermal energy into electric energy, Ran Houzai
It is secondary to be recycled by medium input pipe 2 into the progress Repeat-heating of heat exchanger 6.By the way that heat exchanger 6 is arranged on high temperature
So as to greatly improve heat exchanger effectiveness in waters 9, additionally by Jie that distilled water 10 is directly arranged on to hot dry rock electricity generation system
In the circulatory system that matter input pipe 2, heat exchanger 6, medium efferent duct 3, high-pressure pump 4 and thermal power generator 5 are formed, not with
Hot dry rock directly contacts, so as to avoid the formation for bringing and precipitating mineral matter into of impurity；By being set in the bottom of individual well working medium 1
Pressure break gap 7 is put so as to increase the heat exchanger effectiveness in waters 9 and hot dry rock.
Embodiment 3 is as shown in Figure 1, the hot dry rock electricity generation system is also based on the above technical solutions
Including a liquid level meter 8 for being arranged on xeothermic 9 water surface of rock stratum waters in individual well working medium 1.The setting of liquid level meter can be conveniently timely
The water level for checking waters.Water level can be adjusted in time when finding that water level is too low or excessive, it is more practical.
The further heat-conduction medium 10 in the technology of above-mentioned technical proposal of embodiment 4 is liquid heat-conduction medium.Liquid
State heat-conduction medium specific heat capacity is larger, therefore heat is also larger so that the transformation efficiency of whole system thermal energy to electric energy also can again
It is improved significantly.
The further heat-conduction medium of the row on the basis of above-described embodiment 4 of embodiment 5 is liquid metal, such as liquid
Mercury or liquid state Na-K alloy, preferably Na-K alloy specific heat capacity are larger and are the good conductors of heat, make the power generation of thermal power generator 5
Efficiency also can significantly be deducted a percentage.
The further heat-conduction medium 10 on the basis of above-described embodiment 3 of embodiment 6 is gaseous heat conduction medium,
Hot dry rock power generation of the prior art mostly utilizes high-temperature power generation as temperature more than 90 DEG C, and is passed by using air heat
Leading medium can make thermal power generator generate electricity using air heat conductor, so as to realize low-temperature electricity-generating.
Claims (6)
1. a kind of hot dry rock electricity generation system, including individual well working medium (1), medium input pipe (2), heat exchanger (6), medium efferent duct
(3), high-pressure pump (4), thermal power generator (5), waters (9) and heat-conduction medium (10), it is characterised in that：Medium input pipe (2),
Heat exchanger (6), medium efferent duct (3), high-pressure pump (4) are connected with thermal power generator (5)；Individual well working medium (1) bottom is set
Waters (9), it is inner that heat exchanger (6) is arranged on waters (9).
2. hot dry rock electricity generation system according to claim 1, it is characterised in that：The bottom of the individual well working medium (1) is also set
Pressure break gap (7) is equipped with, pressure break gap (7) are connected with waters (9).
3. hot dry rock electricity generation system according to claim 2, it is characterised in that：The hot dry rock electricity generation system further includes
One liquid level meter.
4. hot dry rock electricity generation system according to claim 3, it is characterised in that：Heat-conduction medium (10) is liquid heat transfer
Medium.
5. hot dry rock electricity generation system according to claim 4, it is characterised in that：The heat-conduction medium (10) is liquid gold
Belong to.
6. hot dry rock electricity generation system according to claim 3, it is characterised in that：The heat-conduction medium (10) is gaseous state heat
Transmitting medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989212.6U CN207261183U (en) | 2017-08-09 | 2017-08-09 | A kind of hot dry rock electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989212.6U CN207261183U (en) | 2017-08-09 | 2017-08-09 | A kind of hot dry rock electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261183U true CN207261183U (en) | 2018-04-20 |
Family
ID=61924752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989212.6U Active CN207261183U (en) | 2017-08-09 | 2017-08-09 | A kind of hot dry rock electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261183U (en) |
-
2017
- 2017-08-09 CN CN201720989212.6U patent/CN207261183U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206648010U (en) | The depth peak regulation system that electrode boiler combines with feedwater heating | |
| WO2018014608A1 (en) | Novel steel-tube energy-pile for improving utilization efficiency of shallow geothermal energy, and manufacturing method therefor | |
| CN106130406B (en) | Stratum itself low-temperature receiver type hot dry rock thermoelectric heat generation system and method | |
| CN210374724U (en) | Heat exchanger in middle-deep geothermal heat exchange well | |
| CN106767063A (en) | The system that a kind of utilization hot tube high-efficiency exploits dry-hot-rock geothermal | |
| CN105162232A (en) | High ground temperature tunnel cooling heat dissipation and heat energy conversion apparatus | |
| CN103166516A (en) | Geothermal power generation system | |
| CN204992736U (en) | Cooling heat dissipation of high ground temperature tunnel and heat energy conversion device | |
| CN206860366U (en) | A kind of wind electric heating energy-storage system | |
| CN216159390U (en) | Energy supply system for heat supply or cold supply power generation by using waste mine water | |
| CN207261183U (en) | A kind of hot dry rock electricity generation system | |
| CN204665998U (en) | A kind of heat-storing device | |
| CN103166519A (en) | Hot water temperature differential power generation device | |
| CN103147939A (en) | Geothermal generating set | |
| CN202374199U (en) | Device for generating power by utilizing temperature difference between high temperature water of solar water heater, tap water and constant temperature water of ground source heat pump | |
| CN210118223U (en) | Coal field mine electricity generation and heat transfer system | |
| CN202660813U (en) | Solar underground heat storage and buried coupling tube heat exchanging and warming device | |
| CN204961180U (en) | Can draw geothermal geothermal power unit of high temperature | |
| CN202203064U (en) | Geothermal water energy low-temperature power generation device utilizing thermal superconducting liquid as medium | |
| CN105553387A (en) | Solar power generating device | |
| CN106286169A (en) | The accumulation of heat generating of a kind of desert | |
| CN204961171U (en) | Nuclear power station waste heat wind generator system | |
| CN219656356U (en) | Coal field spontaneous combustion high-temperature stratum heat exchange device | |
| CN204082112U (en) | Utilize the oil extraction system of light and heat energy | |
| CN207585427U (en) | A kind of high temperature resistant tank level monitor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190320 Address after: 710000 Oak Block No. 36, Fenghui South Road, Xi'an High-tech Zone, Shaanxi Province, No. 21501, 1st Building No. 2, Unit 15 Patentee after: Xi'an Hongguan Energy Technology Co., Ltd. Address before: 710075 Unit 2, Hangzhou Huafu Building, West Dazhai Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: Jie Li |
|
| TR01 | Transfer of patent right |