CN204783491U - Organic working medium power generation system of geothermol power - Google Patents
Organic working medium power generation system of geothermol power Download PDFInfo
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- CN204783491U CN204783491U CN201520501660.8U CN201520501660U CN204783491U CN 204783491 U CN204783491 U CN 204783491U CN 201520501660 U CN201520501660 U CN 201520501660U CN 204783491 U CN204783491 U CN 204783491U
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- working medium
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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
Abstract
The utility model discloses an organic working medium power generation system of geothermol power, including working medium ascending pipe (1) and working medium extraction pipe (3), the one end of ascending pipe (1) is provided with an electric valve (15), the other end of ascending pipe (1) and the one end of airtight passageway (2) in the ground thermosphere communicate with each other, the other end of airtight passageway (2) with the one end of extraction pipe (3) is connected, the other end of extraction pipe (3) is provided with the 2nd electric valve (4), the 2nd electric valve (4) link to each other with heat energy generator (9) through conveyer pipe (5), heat energy generator (9) link to each other with condenser (10), condenser (10) through loopback pipe (16) with an electric valve (15) link to each other. The utility model discloses sustainable exploitation, draw the geothermal energy.
Description
Technical field
The utility model relates to a kind of power generation system, particularly a kind of underground heat organic working medium power generation system.
Background technique
Geothermal power is from earth depths, it arises from the melting magma of the earth and the decay of radioactive material, geothermal power not still free of contamination clean energy resource, still the relatively reproducible energy, therefore geothermal power has become the important component part in future source of energy, but present stage geothermal power exploitation still by the impact of factors, as geological condition, drilling technique etc., at present, prior art injects water or cryogenic fluid by electric energy to underground mostly, water after heat exchange of heating is drawn up ground for people, because the stratum, water-bearing layer of being rich in geothermal power is positioned at km extremely a few km depths at the end, ground mostly, need huge pressure water could be injected, need at substantial electric energy, in addition extract hot water and also need at substantial electric energy, therefore geothermal power is extracted also very huge to expending of electric energy, therefore the energy needed for geothermal energy development how is reduced, also to well heat injection water simultaneously, become problem in the urgent need to address.
Summary of the invention
For the defect of prior art, the utility model provides a kind of underground heat organic working medium power generation system.
A kind of underground heat organic working medium power generation system, comprise working medium ascending pipe 1 and working medium extraction pipe 3, one end of described working medium ascending pipe 1 is provided with the first electric valve 15, the other end of described working medium ascending pipe 1 communicates with one end of the airtight passage 2 in geothermal layer, the other end of described airtight passage 2 is connected with one end of described working medium extraction pipe 3, the other end of described working medium extraction pipe 3 is provided with the second electric valve 4, described second electric valve 4 is connected with thermal power generator 9 by delivery pipe 5, described thermal power generator 9 is connected with condenser 10, described condenser 10 is connected with described first electric valve 15 by loopback pipe 16.
Optionally, submerged type extraction pump 8 is provided with in described working medium extraction pipe 3, described delivery pipe 5 is provided with the first temperature transducer 6 and the first pressure transducer 7, described loopback pipe 16 is provided with the second temperature transducer 12, second pressure transducer 13 and injection pump 14; Described condenser 10 provides cooling water by water pump 11.
Optionally, also comprise PLC, the output terminal of described PLC is connected with the second electric valve 4 with described first electric valve 15 respectively by relay, is connected respectively by frequency variator with described submerged type extraction pump 8, water pump 11 with injection pump 14; Described first temperature transducer 6, first pressure transducer 7, second temperature transducer 12 is connected with the input end of described PLC respectively with the second pressure transducer 13, and described PLC is also connected with supervisory control comuter and touch screen.
Optionally, described organic working medium selects low boiling organic working medium.
Optionally, the diameter of described ascending pipe 1 is greater than the diameter of described extraction pipe 3.
Optionally, described airtight passage 2 is arranged in the geothermal layer that ground temperature is greater than 60 degrees Celsius.
The beneficial effects of the utility model are: the utility model utilizes underground heat to generate electricity, absorb the heat energy in stratum by low boiling organic working medium, utilize this heat energy by electrical power generators, working medium is in the circular flow of system inner sealing, environmentally safe, generating efficiency is high; PLC is adopted to achieve Automated condtrol; Whole system structure is simple, continuable exploitation, extraction geothermal power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model system for geothermal production of electricity;
Fig. 2 is the utility model Control system architecture schematic diagram.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing, make above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference character identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing in proportion, focus on purport of the present utility model is shown.
As shown in Figure 1, underground heat organic working medium power generation system of the present utility model comprises working medium ascending pipe 1 and working medium extraction pipe 3, one end of described working medium ascending pipe 1 is provided with the first electric valve 15, the other end of described working medium ascending pipe 1 communicates with one end of the airtight passage 2 in geothermal layer, the other end of described airtight passage 2 is connected with one end of described working medium extraction pipe 3, the other end of described working medium extraction pipe 3 is provided with the second electric valve 4, described second electric valve 4 is connected with thermal power generator 9 by delivery pipe 5, described thermal power generator 9 is connected with condenser 10, described condenser 10 is connected with described first electric valve 15 by loopback pipe 16, submerged type extraction pump 8 is provided with in described extraction pipe 3, described delivery pipe 5 is provided with the first temperature transducer 6, with the first pressure transducer 7, described loopback pipe 16 is provided with the second temperature transducer 12, second pressure transducer 13 and injection pump 14, described condenser 10 provides cooling water by water pump 11.Described organic working medium selects low boiling organic working medium, such as, can select freon etc.
Refer to Fig. 2, further described system for geothermal production of electricity also comprises PLC, the output terminal of described PLC is connected with the second electric valve 4 with described first electric valve 15 respectively by relay, is connected respectively by frequency variator with described extraction pump 8, water pump 11 with injection pump 14; Described first temperature transducer 6, first pressure transducer 7, second temperature transducer 12 is connected with the input end of described PLC respectively with the second pressure transducer 13, and described PLC is also connected with supervisory control comuter and touch screen.
Below this novel working principle is described further.This power generation system bores a horizontal airtight passage 2 by drillng operation at geothermal layer, by airtight passage 2, ascending pipe 1 is connected with extraction pipe 3, the diameter of ascending pipe 1 can be greater than the diameter of extraction pipe 3, adopt low boiling organic working medium, such as freon is as working medium (working medium), under the effect of injection pump 14, low-density gaseous state organic working medium is injected underground from ascending pipe 1, organic working medium is converted to highly dense organic working medium under the effect of the pressure in the earth formation, high density organic working medium absorbs underground heat in geothermal layer, described geothermal layer refers to that ground temperature is greater than the stratum of 60 degrees Celsius, generally speaking, along with the increase of the degree of depth, the temperature of ground temperature rises gradually, it is dark that ground temperature is that the geothermal layer of 100 degrees Celsius is usually located at the thousands of rice in underground, high density organic working medium is extracted out from underground geothermal layer by submerged type extraction pump 8, the extraction pipe 3 of minor diameter can play throttling action, the high density organic working medium of extracting out is after the extraction of submerged type extraction pump 8, be converted to low density gaseous state, promotion thermal power generator generates electricity, working medium after generating is after condenser cooling, underground is gone back to by injection pump 14 loopback, thus form a closed circulatory system, underground heat energy is absorbed by working medium, this heat energy is converted to electric energy by generator, thus achieve the object utilizing geothermal power generation.PLC receives the testing signal of described first temperature transducer 6, first pressure transducer 7, second temperature transducer 12 and the second pressure transducer 13, the aperture of electric valve or the rotating speed of submerged type extraction pump 8, water pump 11 and injection pump 14 is controlled according to the force value detected and temperature value, specifically, after the second temperature transducer 12 detects that the temperature of working medium in loopback pipe is greater than setting value, PLC improves the rotating speed of water pump 11 by frequency variator, thus more cooling waters are injected condenser, reduce the temperature of working medium; After the second pressure transducer 13 detects that the force value of loopback pipe 16 is greater than setting value, PLC drives the first electric valve 15 to run, tune up the aperture of the first electric valve 15, improved the rotating speed of injection pump 14 by frequency variator simultaneously, more working medium can be made like this to be recycled to ascending pipe 1, thus to reduce the pressure of loopback pipe 16; When the temperature value that the first temperature transducer 6 or the first pressure transducer 7 detect or force value exceed setting range, PLC turns the aperture of the second electric valve 4 down, improves the rotating speed of submerged type extraction pump 8 simultaneously, thus reduces the pressure of delivery pipe 5.
Set forth a lot of detail in the above description so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be much different from alternate manner described here to implement, and therefore the utility model is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solutions of the utility model ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (6)
1. a underground heat organic working medium power generation system, it is characterized in that comprising working medium ascending pipe (1) and working medium extraction pipe (3), one end of described working medium ascending pipe (1) is provided with the first electric valve (15), the other end of described working medium ascending pipe (1) communicates with one end of the airtight passage (2) in geothermal layer, the other end of described airtight passage (2) is connected with one end of described working medium extraction pipe (3), the other end of described working medium extraction pipe (3) is provided with the second electric valve (4), described second electric valve (4) is connected with thermal power generator (9) by delivery pipe (5), described thermal power generator (9) is connected with condenser (10), described condenser (10) is connected with described first electric valve (15) by loopback pipe (16).
2. power generation system according to claim 1, it is characterized in that being provided with submerged type extraction pump (8) in described working medium extraction pipe (3), described delivery pipe (5) is provided with the first temperature transducer (6) and the first pressure transducer (7), described loopback pipe (16) is provided with the second temperature transducer (12), the second pressure transducer (13) and injection pump (14); Described condenser (10) provides cooling water by water pump (11).
3. power generation system according to claim 2, characterized by further comprising PLC, the output terminal of described PLC is connected with the second electric valve (4) with described first electric valve (15) respectively by relay, is connected respectively by frequency variator with described submerged type extraction pump (8), water pump (11) with injection pump (14); Described first temperature transducer (6), the first pressure transducer (7), the second temperature transducer (12) are connected with the input end of described PLC respectively with the second pressure transducer (13), and described PLC is also connected with supervisory control comuter and touch screen.
4. power generation system according to claim 1, is characterized in that described working medium selects low boiling organic working medium.
5. power generation system according to claim 1, is characterized in that the diameter of described working medium ascending pipe (1) is greater than the diameter of described working medium extraction pipe (3).
6. power generation system according to claim 1, is characterized in that the geothermal layer that described airtight passage (2) is arranged in ground temperature and is greater than 60 degrees Celsius.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520501660.8U CN204783491U (en) | 2015-07-13 | 2015-07-13 | Organic working medium power generation system of geothermol power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520501660.8U CN204783491U (en) | 2015-07-13 | 2015-07-13 | Organic working medium power generation system of geothermol power |
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| CN204783491U true CN204783491U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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