CN206681921U - Twin-well connects electricity generation system - Google Patents
Twin-well connects electricity generation system Download PDFInfo
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- CN206681921U CN206681921U CN201720300582.4U CN201720300582U CN206681921U CN 206681921 U CN206681921 U CN 206681921U CN 201720300582 U CN201720300582 U CN 201720300582U CN 206681921 U CN206681921 U CN 206681921U
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- well
- sleeve pipe
- pipe
- extraction
- water inlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The utility model discloses a kind of twin-well to connect electricity generation system, including injection well and extraction well, and the bottom and the bottom of extraction well of injection well are connected with horizontal well, and horizontal well is located at xeothermic rock stratum；Sleeve pipe is provided with injection well, horizontal well and extraction well；The internal surface of sleeve pipe of injection well, and sealed set has cover plate to the internal surface of sleeve pipe of extraction well respectively, cover plate is located at the upper end of xeothermic rock stratum, two cover plates and the sleeve pipe of the injection well, the sleeve pipe of horizontal well and extracts the sleeve pipe of well and surrounds the heating chamber of closing jointly；Inject into well and be provided with water inlet pipe, water inlet pipe passes through the cover plate injected into well, is connected to the top for injecting into well heating chamber, and outlet pipe is provided with extraction well, and outlet pipe passes through the cover plate in extraction well, is connected to the top of heating chamber in extraction well；High-pressure hydraulic pump is provided with water inlet pipe；TRT is connected between water inlet pipe and outlet pipe.Twin-well of the present utility model connects electricity generation system, can efficiently utilize underground heat heat energy, low-carbon environment-friendly.
Description
Technical field
Underground heat extractive technique field is the utility model is related to, specifically, is related to a kind of twin-well connection electricity generation system.
Background technology
Underground heat heat energy is a kind of inexhaustible regenerative resource, with the development of science and technology, being used as hair by the use of underground heat heat energy
The heat energy source of electricity, turns into a kind of development trend.Such as the profit of the heat pump using underground heat heat energy to grow up in recent years
With.It in the 2000 meters of xeothermic rock stratum to ten thousand metres in underground, is the internal high temperature rock that fluid or only a small amount of fluid is not present to bury
Body, for its temperature at tens degrees Celsius to hundreds of degrees Celsius, containing has huge heat energy, is a kind of regenerative resource of cleaning.
But limited by technology, the heat of hot dry rock is not easy to extract, and therefore, the extraction and application of hot dry rock heat energy never has
To extensive use.
Utility model content
Technical problem to be solved in the utility model is：A kind of pair for efficiently utilizing underground heat heat energy, low-carbon environment-friendly is provided
Well connects electricity generation system.
In order to solve the above technical problems, the technical solution of the utility model is：
Twin-well connects electricity generation system, including injection well and extraction well, the bottom of the injection well and the extraction well
Bottom is connected with horizontal well, and the horizontal well is located at xeothermic rock stratum；
Sleeve pipe is provided with the injection well, the horizontal well and the extraction well, and the sleeve pipe in three wells is successively
Connection；
The internal surface of sleeve pipe of the injection well, and sealed set has cover plate to the internal surface of sleeve pipe of the extraction well respectively, it is described
Cover plate is located at the upper end of the xeothermic rock stratum, two cover plates and sleeve pipe, the set of the horizontal well of the injection well
The sleeve pipe of pipe and the extraction well surrounds the heating chamber of closing jointly；
Described to inject into well provided with water inlet pipe, the water inlet pipe is connected to the note through the cover plate injected into well
Enter the top of the heating chamber in well, outlet pipe is provided with the extraction well, the outlet pipe passes through the lid in the extraction well
Plate, it is connected to the top of the heating chamber in the extraction well；
High-pressure hydraulic pump is provided with the water inlet pipe；
TRT is connected between the water inlet pipe and the outlet pipe.
Preferably, the TRT is organic Rankine bottoming cycle TRT, including evaporator, steam turbine, generator, cold
Condenser and working medium pump；
The secondary side outlet of the evaporator connects the working medium import of the steam turbine, and the sender property outlet of the steam turbine connects
The working medium import of the condenser, the output end connection generator of the steam turbine are connect, the sender property outlet of the condenser passes through
The working medium pump is connected to the secondary side-entrance of the evaporator；
Side-entrance of the evaporator connects the outlet pipe, enters described in the side outlet connection of the evaporator
Water pipe.
Preferably, described sleeve pipe is the sleeve pipe of metal material.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Twin-well of the present utility model connects electricity generation system, two cover plates and the sleeve pipe of injection well, the sleeve pipe of horizontal well and
The sleeve pipe of extraction well surrounds the heating chamber of closing jointly, and heating chamber is located at xeothermic rock stratum, and sleeve pipe absorbs xeothermic rock stratum from the borehole wall
Heat energy, make the heated heating of the water in heating chamber, under the high pressure effect of high-pressure hydraulic pump, water inlet pipe constantly pours into water from injection well
In heating chamber, intaking absorbs the heat energy of xeothermic rock stratum in heating chamber and is heated up, under pressure, automatically into water outlet
Pipe is risen to outside extraction well, so closed circulation repeatedly, constantly using the underground heat heat energy of xeothermic rock stratum extract to outside well as generating
Heat energy source.The twin-well connection electricity generation system of such a structure, the path of heating chamber is the bottom of injection well, the length of horizontal well
The summation of the bottom of degree and extraction well, heating path is longer, efficiently can be generated electricity using the heat energy of xeothermic rock stratum,
Without being generated electricity again by burning non-renewable fuel to obtain the energy, there is no the discharge of waste gas waste residue, low-carbon in running
Environmental protection.In addition, the water of system inner sealing circulation is from extraneous priming charge, does not exploit using underground water, only extract underground heat,
Can be inexpensive at any time use heat, avoid influence of the transition groundwater abstraction to the earth's crust, and the water of closed circulation is clean
Water, do not have pollution.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the principle schematic of twin-well connection electricity generation system of the present utility model；
In figure：1- injection wells；2- horizontal wells；3- extracts well；4- sleeve pipes；5- cover plates；6- heating chambers；7- water inlet pipes；8- goes out
Water pipe；9- high-pressure hydraulic pumps；10- TRTs；101- evaporators；102- steam turbines；103- generators；104- condensers；105-
Working medium pump.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Reference picture 1, twin-well of the present utility model connect electricity generation system, including injection well 1 and extraction well 3, the bottom of injection well 1
End and the bottom of extraction well 3 are connected with horizontal well 2, the bottom of injection well 1, the bottom for extracting well 3 and horizontal well 2
Positioned at xeothermic rock stratum.
Sleeve pipe 4 is provided with injection well 1, horizontal well 2 and extraction well 3, and the sleeve pipe 4 in three wells is sequentially connected.
The internal surface of sleeve pipe of injection well 1, and sealed set has cover plate 5 to the internal surface of sleeve pipe of extraction well 3 respectively, cover plate 5 is located at
The upper end of xeothermic rock stratum, the sleeve pipe of two cover plates 5 and the sleeve pipe of injection well 1, the sleeve pipe of horizontal well 2 and extraction well 3 are total to
With the heating chamber 6 for surrounding closing.
Water inlet pipe 7 is provided with injection well 1, water inlet pipe 7 is connected in injection well 1 and heated through the cover plate 5 in injection well 1
The top of chamber 6, extraction well 3 is interior to be provided with outlet pipe 8, and outlet pipe 8 is connected to heating in extraction well 3 through the cover plate in extraction well 3
The top of chamber 6.
High-pressure hydraulic pump 9 is provided with water inlet pipe 7.TRT 10 is connected between water inlet pipe 7 and outlet pipe 8.
TRT 10 is organic Rankine bottoming cycle TRT, including evaporator 101, steam turbine 102, generator 103, cold
Condenser 104 and working medium pump 105；The working medium import of the secondary side outlet connection steam turbine 102 of evaporator 101, the work of steam turbine 102
The working medium import of matter outlet connection condenser 103, the output end connection generator 103 of steam turbine 102, the working medium of condenser 104
Outlet is connected to the secondary side-entrance of evaporator 101 by working medium pump 105；The side-entrance connection outlet pipe of evaporator 101
8, the side outlet connection water inlet pipe 7 of evaporator 101.Wherein, evaporator 101 can use plate type heat exchanger, or other kinds
The heat exchanger of class.The working medium circulated in organic Rankine bottoming cycle TRT is lower boiling organic matter, such as pentane, the boiling of pentane
O'clock between 10 DEG C to 40 DEG C, and under heating of the water in the primary side of evaporator 101 in heating chamber, extract to ground
When, temperature can reach more than 100 DEG C, can ensure the good circulation of organic Rankine cycle power generation system.
Wherein, sleeve pipe 4 uses the sleeve pipe of metal material.
Twin-well of the present utility model connects electricity generation system, the sleeve pipe of two cover plates 5 and injection well 1, the sleeve pipe of horizontal well 2,
And the sleeve pipe of extraction well 3 surrounds the heating chamber 6 of closing jointly, heating chamber 6 is located at xeothermic rock stratum, and sleeve pipe 4 absorbs dry from the borehole wall
The heat energy of hot rock stratum, make the heated heating of the water in heating chamber 6, under the high pressure effect of high-pressure hydraulic pump 9, water inlet pipe 7 is constantly by water
Poured into from injection well 1 in heating chamber 6, the heat energy of the xeothermic rock stratum of absorption in heating chamber 6 of intaking is heated up, and is acted in pressure
Under, rise to outside extraction well automatically into outlet pipe 8, so closed circulation repeatedly, constantly carry the underground heat heat energy of xeothermic rock stratum
Take to well and generated electricity outside.The twin-well connection electricity generation system of such a structure, the path of heating chamber 6 is the bottom of injection well 1, water
The length of horizontal well 2 and the summation of the bottom of extraction well 3, heating path is longer, can efficiently utilize the heat of xeothermic rock stratum
It can be generated electricity, without obtaining the energy by burning non-renewable fuel again, without the discharge of waste gas waste residue, low-carbon ring
Protect.In addition, the water of system inner sealing circulation is from extraneous priming charge, does not exploit using underground water, only extract underground heat, can
Inexpensive at any time uses heat, avoids influence of the transition groundwater abstraction to the earth's crust, and the water of closed circulation is clean
Water, pollution is not had.
Citing described above for the utility model preferred forms, wherein the part do not addressed in detail is this area
The common knowledge of those of ordinary skill.The scope of protection of the utility model is defined by the content of claim, any to be based on this reality
The equivalent transformation carried out with new technical inspiration, also within the scope of protection of the utility model.
Claims (3)
1. twin-well connects electricity generation system, including injection well and extraction well, it is characterised in that：The bottom of the injection well with it is described
The bottom of extraction well is connected with horizontal well, and the horizontal well is located at xeothermic rock stratum；
Sleeve pipe is provided with the injection well, the horizontal well and the extraction well, and the sleeve pipe in three wells is sequentially connected；
The internal surface of sleeve pipe of the injection well, and sealed set has cover plate, the cover plate to the internal surface of sleeve pipe of the extraction well respectively
Upper end located at the xeothermic rock stratum, the sleeve pipe of two cover plates and the injection well, the sleeve pipe of the horizontal well, with
And the sleeve pipe of the extraction well surrounds the heating chamber of closing jointly；
Described to inject into well provided with water inlet pipe, the water inlet pipe is connected to the injection well through the cover plate injected into well
The top of the interior heating chamber, the extraction well is interior to be provided with outlet pipe, and the outlet pipe connects through the cover plate in the extraction well
It is connected to the top of the heating chamber in the extraction well；
High-pressure hydraulic pump is provided with the water inlet pipe；
TRT is connected between the water inlet pipe and the outlet pipe.
2. twin-well according to claim 1 connects electricity generation system, it is characterised in that：The TRT follows for organic Rankine
Ring TRT, including evaporator, steam turbine, generator, condenser and working medium pump；
The secondary side outlet of the evaporator connects the working medium import of the steam turbine, the sender property outlet connection institute of the steam turbine
State the working medium import of condenser, the output end connection generator of the steam turbine, the sender property outlet of the condenser passes through described
Working medium pump is connected to the secondary side-entrance of the evaporator；
Side-entrance of the evaporator connects the outlet pipe, and a side outlet of the evaporator connects the water inlet
Pipe.
3. twin-well according to claim 1 or 2 connects electricity generation system, it is characterised in that：Described sleeve pipe is metal material
Sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300582.4U CN206681921U (en) | 2017-03-24 | 2017-03-24 | Twin-well connects electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300582.4U CN206681921U (en) | 2017-03-24 | 2017-03-24 | Twin-well connects electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206681921U true CN206681921U (en) | 2017-11-28 |
Family
ID=60390970
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720300582.4U Active CN206681921U (en) | 2017-03-24 | 2017-03-24 | Twin-well connects electricity generation system |
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| CN (1) | CN206681921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894938A (en) * | 2018-07-09 | 2018-11-27 | 陈婧琪 | A method of improving geother-mal power generation efficiency |
| CN108915813A (en) * | 2018-07-17 | 2018-11-30 | 杨胜祥 | The geothermal power station to be generated electricity using stratum deep geothermal |
-
2017
- 2017-03-24 CN CN201720300582.4U patent/CN206681921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894938A (en) * | 2018-07-09 | 2018-11-27 | 陈婧琪 | A method of improving geother-mal power generation efficiency |
| CN108894938B (en) * | 2018-07-09 | 2019-12-06 | 苏州理合文科技有限公司 | Method for improving geothermal energy power generation efficiency |
| CN108915813A (en) * | 2018-07-17 | 2018-11-30 | 杨胜祥 | The geothermal power station to be generated electricity using stratum deep geothermal |
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