CN105656352A - Underground heat power generation device - Google Patents
Underground heat power generation device Download PDFInfo
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- CN105656352A CN105656352A CN201410642098.0A CN201410642098A CN105656352A CN 105656352 A CN105656352 A CN 105656352A CN 201410642098 A CN201410642098 A CN 201410642098A CN 105656352 A CN105656352 A CN 105656352A
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- heat
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Abstract
The invention discloses an underground heat power generation device. The underground heat power generation device comprises an underground well, wherein the underground well is internally equipped with a heat energy exchanger and is externally equipped with a heat collection water tank, two sides of the heat energy exchanger are equipped with an inlet guide pipe and an outlet guide pipe, the inlet guide pipe and the outlet guide pipe extend and are connected with the heat collection water tank, the inlet guide pipe is equipped with a heat pipe circulation pump, the upper surface of the heat collection water tank is equipped with a semiconductor temperature difference power generation device, a heat end face of the semiconductor temperature difference power generation device closely clings to the upper surface of the heat collection water tank, a cold end face of the semiconductor temperature difference power generation device closely clings to a cold water tank, a water inlet end and a water outlet end of the cold water tank are connected through a cooling water circulation pipeline, the cooling water circulation pipeline is equipped with a cooling water heat radiator, and the heat energy exchanger is internally equipped with an annular spiral heat conduction pipe. According to the underground heat power generation device, heat resources of small and medium underground heat wells are fully utilized through the heat energy exchanger with high heat conduction efficiency and the reliable semiconductor temperature difference power generation device.
Description
Technical field
The invention belongs to geothermal power generation technical field, be specifically related to a kind of geothermal power generation plant.
Background technology
Traditional geothermal power generation mode is to utilize a kind of new-generation technology that geothermal water and steam are power source. Its ultimate principle is similar with thermal power generation, is also according to energy conversion principle, and first BADIRE can be converted to mechanical energy, then mechanical energy is converted to electric energy. It is mechanical energy that geothermal power generation is actually the thermal energy of underground, then again by energy conversion process that mechanical energy is electric energy or be called geothermal power generation, this generation mode is a lot of due to energy conversion times, so the utilization rate of energy is very low, simply it is suitable for large-scale geothermal power generation, and construction cost is significantly high, cannot utilize for middle-size and small-size geothermal energy resources at all.
Summary of the invention
The technical problem to be solved is in that for above-mentioned deficiency of the prior art, thering is provided a kind of geothermal power generation plant, it is realized the making full use of of geothermal energy resources in middle-size and small-size geothermal well by the thermal energy converter of high efficient heat and reliable semiconductor thermoelectric generator.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of geothermal power generation plant, including geothermal well, it is characterized in that: in described geothermal well, thermal energy converter is installed, outside described geothermal well, heat collection water tank is installed, the both sides of described thermal energy converter are installed to be connected to respectively through ingress interface and discharge coupling and are led into conduit and derive conduit, described lead into conduit and derive conduit and all extend and be connected on heat collection water tank, described leading is provided with heat pipe circulating pump on conduit, described leading is filled with low temperature heat-conducting medium in conduit, described low temperature heat-conducting medium becomes high temperature heat conducting medium after flowing through thermal energy converter and being delivered in derivation conduit, the upper surface of described heat collection water tank is provided with semiconductor thermoelectric generator, the upper surface of heat collection water tank is close in the face, hot junction of described semiconductor thermoelectric generator, the cold end face of described semiconductor thermoelectric generator tightens to be sticked and is equipped with cold water storage cistern, the inlet end of described cold water storage cistern is connected by cooling water circulation pipeline with water outlet end, described cooling water circulation pipeline is provided with cooling water circulating pump, cooling water circulation pipeline between described cooling water circulating pump and cold water storage cistern water outlet end is provided with radiator, the outer wall of described radiator is provided with radiator fan, described thermal energy converter internal by thermal energy converter support be provided with for the annular disk exported again after inputting low temperature heat-conducting medium and being changed into high temperature heat conducting medium around heat pipe, the two ends of described heat pipe are described ingress interface and discharge coupling respectively, interting on described heat pipe and be provided with conducting strip, described conducting strip two ends are securedly mounted on the inwall of thermal energy converter support by fixed mount.
Above-mentioned a kind of geothermal power generation plant, it is characterised in that: described low temperature heat-conducting medium and high temperature heat conducting medium are conduction oil.
Above-mentioned a kind of geothermal power generation plant, it is characterised in that: the outer surface of tube wall of described heat pipe is coated with corrosion resistant Heat Conduction Material.
Above-mentioned a kind of geothermal power generation plant, it is characterised in that: described thermal energy converter support is cylindrical structure.
Above-mentioned a kind of geothermal power generation plant, it is characterised in that: described ingress interface and discharge coupling are positioned at the middle position of thermal energy converter.
The present invention compared with prior art has the advantage that
1, the present invention adopts thermo-electric generation, make whole generating device structure simple, miniaturization, applied widely, can being applied to by the device invented in the geothermal energy resources generating of middle low temperature, heat-conducting medium cannot be gasified by the heat of these geothermal energy resources, therefore can not generate electricity by driving steam turbine, but this kind of geothermal energy resources can be made full use of by assembly of the invention, there is significantly high energy-saving benefit.
2, the present invention adopts thermal energy converter to be undertaken the heat in geothermal well promoting transmission, device overall structure is simple, mechanical drive disk assembly, reliable, the heat pipe annular disk of thermal energy converter annular coiling around and the middle conducting strip that interts, the heat exchanger effectiveness of whole thermal energy converter can be improved, reduce thermal loss when heat transmits in geothermal well.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of thermal energy converter in Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the top view of Fig. 2.
Description of reference numerals:
1 ingress interface; 2 thermal energy converter supports; 3 fixed mounts;
4 discharge couplings; 5 conducting strips; 6 heat pipes;
7 tube walls; 8 Heat Conduction Materials; 10 lead into conduit;
11 geothermal wells; 12 thermal energy converters; 13 derive conduit;
14 low temperature heat-conducting mediums; 15 high temperature heat conducting mediums; 16 heat pipe circulating pumps;
17 semiconductor thermoelectric generators; 18 cold water storage cisterns; 19 cooling water circulation pipelines;
20 radiator fans; 21 heat collection water tanks; 22 cooling water circulating pumps;
23 radiators.
Detailed description of the invention
Such as Fig. 1, Fig. 2, a kind of geothermal power generation plant shown in Fig. 3 and Fig. 4, including geothermal well 11, in described geothermal well 11, thermal energy converter 12 is installed, outside described geothermal well 11, heat collection water tank 21 is installed, the both sides of described thermal energy converter 12 are installed to be connected to respectively through ingress interface 1 and discharge coupling 4 and are led into conduit 10 and derive conduit 13, described lead into conduit 10 and derive conduit 13 and all extend and be connected on heat collection water tank 21, described leading is provided with heat pipe circulating pump 16 on conduit 10, described leading is filled with low temperature heat-conducting medium 14 in conduit 10, described low temperature heat-conducting medium 14 becomes high temperature heat conducting medium 15 after flowing through thermal energy converter 12 and being delivered in derivation conduit 13, the upper surface of described heat collection water tank 21 is provided with semiconductor thermoelectric generator 17, the upper surface of heat collection water tank 21 is close in the face, hot junction of described semiconductor thermoelectric generator 17, the cold end face of described semiconductor thermoelectric generator 17 tightens to be sticked and is equipped with cold water storage cistern 18, the inlet end of described cold water storage cistern 18 is connected by cooling water circulation pipeline 19 with water outlet end, described cooling water circulation pipeline 19 is provided with cooling water circulating pump 22, cooling water circulation pipeline 19 between described cooling water circulating pump 22 and cold water storage cistern 18 water outlet end is provided with radiator 23, the outer wall of described radiator 23 is provided with radiator fan 20,Described thermal energy converter 12 internal by thermal energy converter support 2 be provided with for the annular disk exported again after inputting low temperature heat-conducting medium 14 and being changed into high temperature heat conducting medium 15 around heat pipe 6, the two ends of described heat pipe 6 are described ingress interface 1 and discharge coupling 4 respectively, interting on described heat pipe 6 and be provided with conducting strip 5, described conducting strip 5 two ends are securedly mounted on the inwall of thermal energy converter support 2 by fixed mount 3.
In the present embodiment, described low temperature heat-conducting medium 14 and high temperature heat conducting medium 15 are conduction oil.
In the present embodiment, tube wall 7 outer surface of described heat pipe 6 is coated with corrosion resistant Heat Conduction Material 8.
In the present embodiment, described thermal energy converter support 2 is cylindrical structure.
In the present embodiment, described ingress interface 1 and discharge coupling 4 are positioned at the middle position of thermal energy converter 12.
During use, on the one hand, be arranged on thermal energy converter in geothermal well 11 12 by annular disk therein around heat pipe 6 and conducting strip 5 collect the heat in geothermal well 11, along with annular disk around heat pipe 6 in flow into after low temperature heat-conducting medium 14 collects heat therein and become high temperature heat conducting medium 15 and continue to flow out, heat is taken away and passes through to derive conduit 13 and be delivered to heat collection water tank 21, heat pipe circulating pump 16 produces power and flows through thermal energy converter 12 for driving to lead into conduit 10 and the heat-conducting medium circulation derived in conduit 13, the heat collected in geothermal well 11 is sent to heat collection water tank 21, heat collection water tank 21 transfers heat to the face, hot junction of semiconductor thermoelectric generator 17 further, on the other hand, the heat of the cold end face of semiconductor thermoelectric generator 17 is persistently transmitted and is transported through radiator 23 and distributes and make the cold end face of semiconductor thermoelectric generator 17 be maintained at low temperature state by the cooling water circulation pipeline 19 connected on cold water storage cistern 18, therefore there is the bigger temperature difference all the time between cold end face and the face, hot junction of semiconductor thermoelectric generator 17 of semiconductor thermoelectric generator 17, it is ensured that semiconductor thermoelectric generator 17 can stable electric generation.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure change above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. a geothermal power generation plant, including geothermal well (11), it is characterized in that: thermal energy converter (12) is installed in described geothermal well (11), heat collection water tank (21) is installed outside described geothermal well (11), the both sides of described thermal energy converter (12) are installed to be connected to respectively through ingress interface (1) and discharge coupling (4) and are led into conduit (10) and derive conduit (13), described lead into conduit (10) and derive conduit (13) and all extend and be connected on heat collection water tank (21), described leading is provided with heat pipe circulating pump (16) on conduit (10), described leading is filled with low temperature heat-conducting medium (14) in conduit (10), described low temperature heat-conducting medium (14) becomes high temperature heat conducting medium (15) after flowing through thermal energy converter (12) and being delivered in derivation conduit (13), the upper surface of described heat collection water tank (21) is provided with semiconductor thermoelectric generator (17), the upper surface of heat collection water tank (21) is close in the face, hot junction of described semiconductor thermoelectric generator (17), the cold end face of described semiconductor thermoelectric generator (17) tightens to be sticked and is equipped with cold water storage cistern (18), the inlet end of described cold water storage cistern (18) is connected by cooling water circulation pipeline (19) with water outlet end, described cooling water circulation pipeline (19) is provided with cooling water circulating pump (22), cooling water circulation pipeline (19) between described cooling water circulating pump (22) and cold water storage cistern (18) water outlet end is provided with radiator (23), the outer wall of described radiator (23) is provided with radiator fan (20),Described thermal energy converter (12) internal by thermal energy converter support (2) be provided with for the annular disk exported again after inputting low temperature heat-conducting medium (14) and being changed into high temperature heat conducting medium (15) around heat pipe (6), the two ends of described heat pipe (6) respectively described ingress interface (1) and discharge coupling (4), described heat pipe (6) upper interting is provided with conducting strip (5), and described conducting strip (5) two ends are securedly mounted on the inwall of thermal energy converter support (2) by fixed mount (3).
2. a kind of geothermal power generation plant described in claim 1, it is characterised in that: described low temperature heat-conducting medium (14) and high temperature heat conducting medium (15) they are conduction oil.
3. a kind of geothermal power generation plant described in claim 1, it is characterised in that: tube wall (7) outer surface of described heat pipe (6) is coated with corrosion resistant Heat Conduction Material (8).
4. a kind of geothermal power generation plant described in claim 1, it is characterised in that: described thermal energy converter support (2) is cylindrical structure.
5. a kind of geothermal power generation plant described in claim 1, it is characterised in that: described ingress interface (1) and discharge coupling (4) are positioned at the middle position of thermal energy converter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410642098.0A CN105656352A (en) | 2014-11-13 | 2014-11-13 | Underground heat power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410642098.0A CN105656352A (en) | 2014-11-13 | 2014-11-13 | Underground heat power generation device |
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| CN105656352A true CN105656352A (en) | 2016-06-08 |
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| CN201410642098.0A Pending CN105656352A (en) | 2014-11-13 | 2014-11-13 | Underground heat power generation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846158A (en) * | 2017-12-06 | 2018-03-27 | 四川大学 | A kind of thermoelectric power generation unit with geothermal power generation |
| CN108131262A (en) * | 2018-02-02 | 2018-06-08 | 长沙紫宸科技开发有限公司 | A kind of geothermal energy temperature and pressure electric organ |
| CN108953080A (en) * | 2018-07-10 | 2018-12-07 | 肇庆市高新区晓靖科技有限公司 | A kind of small-sized system for geothermal production of electricity |
| CN110234872A (en) * | 2017-01-17 | 2019-09-13 | 海普赛尔斯公司 | System for acoustic navigation of a borehole |
| CN110847886A (en) * | 2019-10-23 | 2020-02-28 | 北京科技大学 | Deep mine wireless drilling stress meter based on geothermal thermoelectric power generation |
| CN113224979A (en) * | 2021-06-16 | 2021-08-06 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Geothermal/seawater semiconductor temperature difference power generation system and method |
-
2014
- 2014-11-13 CN CN201410642098.0A patent/CN105656352A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234872A (en) * | 2017-01-17 | 2019-09-13 | 海普赛尔斯公司 | System for acoustic navigation of a borehole |
| CN107846158A (en) * | 2017-12-06 | 2018-03-27 | 四川大学 | A kind of thermoelectric power generation unit with geothermal power generation |
| CN108131262A (en) * | 2018-02-02 | 2018-06-08 | 长沙紫宸科技开发有限公司 | A kind of geothermal energy temperature and pressure electric organ |
| CN108131262B (en) * | 2018-02-02 | 2023-07-25 | 长沙紫宸科技开发有限公司 | Geothermal energy warm-pressing generator |
| CN108953080A (en) * | 2018-07-10 | 2018-12-07 | 肇庆市高新区晓靖科技有限公司 | A kind of small-sized system for geothermal production of electricity |
| CN110847886A (en) * | 2019-10-23 | 2020-02-28 | 北京科技大学 | Deep mine wireless drilling stress meter based on geothermal thermoelectric power generation |
| CN113224979A (en) * | 2021-06-16 | 2021-08-06 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Geothermal/seawater semiconductor temperature difference power generation system and method |
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Application publication date: 20160608 |
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