CN217632782U - Power generation equipment based on geothermal energy power generation - Google Patents
Power generation equipment based on geothermal energy power generation Download PDFInfo
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- CN217632782U CN217632782U CN202221729548.6U CN202221729548U CN217632782U CN 217632782 U CN217632782 U CN 217632782U CN 202221729548 U CN202221729548 U CN 202221729548U CN 217632782 U CN217632782 U CN 217632782U
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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 relates to the technical field of geothermal power generation, and discloses a power generation device based on geothermal energy power generation, including producing well, separator, evaporimeter, pre-heater, electricity generation subassembly and reinjection well, geothermal water in the producing well passes through the pipe connection to the separator, is connected to the electricity generation subassembly through the steam after the evaporimeter heat dissipation and generates electricity, the comdenstion water that produces after the evaporimeter heat dissipation passes through the pipe connection to the pre-heater, and geothermal tail water after releasing heat through the pre-heater injects into the reinjection well through the pipeline; through using evaporimeter, pre-heater, make full use of geothermal water's energy, through the combined use with air condenser and pre-heater, realized geothermal energy source ladder nature utilization, through with producing well and reinjection well bottom through connection, the geothermal water of the producing well of being convenient for and the geothermal tail water of reinjection well circulate fast and flow, and then better rational utilization to geothermal resources, improve thermal utilization ratio.
Description
Technical Field
The utility model relates to a geothermal power generation technical field specifically is a power generation facility based on geothermal energy electricity generation.
Background
Geothermal resources are abundant in many areas in China, particularly hydrothermal geothermal resources are particularly abundant in North China, geothermal power generation has a high utilization coefficient which is 0.72 on average (72% of the time in one year is in work), the higher the temperature of the geothermal resources is, the higher the power generation efficiency is, and the better the economy is. The investment cost of geothermal power generation comprises power station equipment, a geothermal well and geothermal fluid transportation, the drilling risk is large due to uneven distribution of geothermal resources, and the initial investment of geothermal power generation is high. But the geothermal resources are not influenced by weather, day and night and seasons, can continuously and stably output high-quality electric energy and have obvious competitiveness. With the shortage of energy, the warming of climate, the increasing deterioration of environment, the progress of geothermal power generation technology and the reduction of cost, the advantages of geothermal power generation will be further revealed.
However, the existing power generation system cannot fully utilize the energy of the geothermal fluid, so that the resource waste is caused, and the system has low power generation efficiency and poor heat economy.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art's not enough, the utility model provides a power generation facility based on geothermal energy generates electricity possesses the ladder nature utilization to geothermal energy, improves the advantage of thermal utilization ratio, and it is lower to have solved present power generation system generating efficiency, the relatively poor problem of heat economic nature.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a power generation device based on geothermal energy power generation comprises a production well, a separator, an evaporator, a preheater, a power generation assembly and a reinjection well, geothermal water in the production well is connected to the separator through a pipeline, water vapor and saline water generated by the separator are respectively connected to the evaporator and the preheater through pipelines, the water vapor generated after heat dissipation through the evaporator is connected to the power generation assembly to generate power, condensed water generated after heat dissipation through the evaporator is connected to the preheater through a pipeline, and geothermal tail water generated after heat dissipation through the preheater is injected into the reinjection well through a pipeline.
Furthermore, the power generation assembly comprises a turbine and a generator, the steam generated after the heat dissipation of the evaporator is connected to the turbine through a pipeline and drives the turbine to work, the turbine is connected with the generator through a coupler, the turbine drives the generator to work to generate power, and the power generated by the generator is connected to a power grid in a grid-connected mode.
Furthermore, a first stop valve is connected to a pipeline between the production well and the separator, and a second stop valve and a pressure regulating valve are sequentially connected to a pipeline between the evaporator and the turbine.
Furthermore, the gas that produces after the turbine work is connected to air condenser, the comdenstion water that air condenser produced is connected to the preheater and is released heat and pour into the reinjection well, be connected with the feed pump between air condenser and the preheater.
Furthermore, the production well is communicated with the bottom of the reinjection well.
Furthermore, a heat insulation layer is arranged on the outer side of the pipeline.
(III) advantageous effects
Compared with the prior art, the utility model provides a power generation facility based on geothermal energy electricity generation possesses following beneficial effect:
this power generation facility based on geothermal energy power generation, through using the evaporimeter, the pre-heater, make full use of geothermal water's energy, through the joint use with air condenser and pre-heater, geothermal energy source ladder nature utilization has been realized, through with producing well and reinjection well bottom through connection, the geothermal water of the producing well of being convenient for and the geothermal tail water quick cycle flow of reinjection well, make the geothermal tail water carry out rapid heating up, and then better rational utilization to geothermal resource, the heat preservation reducible geothermal water in the pipeline outside in addition, steam etc. are at the calorific loss of flow in-process, thereby improve thermal utilization ratio.
Drawings
Fig. 1 is a schematic diagram of the supply flow of the present invention.
In the figure: 1. a production well; 2. a separator; 3. an evaporator; 4. a preheater; 5. a power generation assembly; 6. a reinjection well; 7. a turbine; 8. a generator; 9. a coupling; 10. a first shut-off valve; 11. a second stop valve; 12. a pressure regulating valve; 13. an air condenser; 14. a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
A power generation device based on geothermal energy power generation comprises a production well 1, a separator 2, an evaporator 3, a preheater 4, a power generation assembly 5 and a reinjection well 6, geothermal water in the production well 1 is connected to the separator 2 through a pipeline, a first stop valve 10 is connected to the pipeline between the production well 1 and the separator 2, the first stop valve 10 facilitates manual control of flow of the geothermal water in the pipeline, water vapor and saline water generated by the separator 2 are respectively connected to the evaporator 3 and the preheater 4 through pipelines, the separator 2 can separate the geothermal water into a gas state and a liquid state, the water vapor generated after heat dissipation of the evaporator 3 is connected to the power generation assembly 5 for power generation, the power generation assembly 5 comprises a turbine 7 and a power generator 8, the water vapor generated after heat dissipation of the evaporator 3 is connected to the turbine 7 through a pipeline, the turbine 7 can be driven to work due to certain pressure of the water vapor, the turbine 7 is connected with the power generator 8 through a coupling 9, the turbine 7 drives the power generator 8 to work for power generation, electricity generated by the power generator 8 is connected to a power grid, the purpose of utilizing geothermal energy, a second stop valve 11 and a pressure regulating valve 11 is connected to the pipeline, and the water vapor can conveniently regulate the pressure in the turbine 7, and the pressure of the steam in a pressure regulating valve 11 can avoid influence on the normal control valve 11;
the comdenstion water that produces after the heat dissipation of evaporimeter 3 passes through pipe connection to pre-heater 4, the comdenstion water is exothermic in pre-heater 4, geothermol power tail water after exothermic through pre-heater 4 passes through the pipeline and pours into reinjection well 6, producing well 1 and 6 bottom through connections of reinjection well, the geothermol power tail water rapid cycle of the geothermol power tail water of producing well 1 of being convenient for flows, make the geothermol power tail water carry out rapid heating up, and then better rational utilization to geothermol power resource, the pipeline outside is provided with the heat preservation, reducible geothermol power water, steam etc. are at the heat loss of flow in-process, thereby improve thermal utilization ratio.
Referring to fig. 1, in use, when the first stop valve 10 and the second stop valve 11 are opened, geothermal water in the production well 1 can enter the separator 2 through a pipeline and is separated into gaseous water vapor and liquid saline water, the water vapor enters the evaporator 3 through a pipeline to dissipate heat, and then enters the turbine 7 through a pipeline, the turbine 7 can be driven to work due to the pressure of the water vapor entering the turbine 7, then the generator 8 is driven to work to generate electricity, the pressure regulating valve 12 is adjusted according to actual conditions in the electricity generating process to ensure that the pressure of the water vapor entering the turbine 7 meets requirements, the saline water and condensed water generated after heat dissipation of the evaporator 3 enter the preheater 4 through a pipeline to dissipate heat, and geothermal tail water after heat dissipation is injected into the reinjection well 6 through a pipeline.
Example two
The function of fully utilizing geothermal energy is added on the basis of the first embodiment.
The gas that produces after the turbine 7 work is connected to air condenser 13, and the comdenstion water that air condenser 13 produced is connected to pre-heater 4 and releases heat and pours into reinjection well 6, is connected with feed water pump 14 between air condenser 13 and the pre-heater 4, and feed water pump 14 can provide power and pour into pre-heater 4 with the comdenstion water that air condenser 13 produced to pour into reinjection well 6 into after releasing heat through pre-heater 4, realized geothermal energy source ladder nature and utilized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A power generation device based on geothermal energy power generation comprises a production well (1), a separator (2), an evaporator (3), a preheater (4), a power generation assembly (5) and a reinjection well (6), and is characterized in that: geothermal water in the production well (1) is connected to a separator (2) through a pipeline, water vapor and brine generated by the separator (2) are respectively connected to an evaporator (3) and a preheater (4) through pipelines, the water vapor after heat dissipation through the evaporator (3) is connected to a power generation assembly (5) for power generation, condensed water generated after heat dissipation through the evaporator (3) is connected to the preheater (4) through a pipeline, and geothermal tail water after heat dissipation through the preheater (4) is injected into a reinjection well (6) through a pipeline.
2. A geothermal energy power generation-based power generation apparatus according to claim 1, wherein: the power generation assembly (5) comprises a turbine (7) and a power generator (8), water vapor generated after heat dissipation of the evaporator (3) is connected to the turbine (7) through a pipeline and drives the turbine (7) to work, the turbine (7) and the power generator (8) are connected through a coupler (9), the turbine (7) drives the power generator (8) to work to generate power, and the power generated by the power generator (8) is connected to a power grid in a grid-connected mode.
3. A geothermal power generation-based power generation apparatus according to claim 2, wherein: a first stop valve (10) is connected to a pipeline between the production well (1) and the separator (2), and a second stop valve (11) and a pressure regulating valve (12) are sequentially connected to a pipeline between the evaporator (3) and the turbine (7).
4. A geothermal power generation-based power generation apparatus according to claim 3, wherein: the gas that turbine (7) work back produced is connected to air condenser (13), the comdenstion water that air condenser (13) produced is connected to pre-heater (4) and releases heat and pours into reinjection well (6), be connected with between air condenser (13) and pre-heater (4) and feed water pump (14).
5. A geothermal power-generation-based power generation apparatus according to claim 4, wherein: the production well (1) is communicated with the bottom of the reinjection well (6).
6. A geothermal power generation-based power generation apparatus according to claim 1, wherein: and a heat insulation layer is arranged outside the pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221729548.6U CN217632782U (en) | 2022-07-06 | 2022-07-06 | Power generation equipment based on geothermal energy power generation |
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| CN202221729548.6U CN217632782U (en) | 2022-07-06 | 2022-07-06 | Power generation equipment based on geothermal energy power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2804793C1 (en) * | 2023-03-16 | 2023-10-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
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2022
- 2022-07-06 CN CN202221729548.6U patent/CN217632782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2804793C1 (en) * | 2023-03-16 | 2023-10-05 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
| RU2810329C1 (en) * | 2023-08-24 | 2023-12-26 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Geothermal power supply plant |
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