CN107846158A - A kind of thermoelectric power generation unit with geothermal power generation - Google Patents

A kind of thermoelectric power generation unit with geothermal power generation Download PDF

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Publication number
CN107846158A
CN107846158A CN201711277801.2A CN201711277801A CN107846158A CN 107846158 A CN107846158 A CN 107846158A CN 201711277801 A CN201711277801 A CN 201711277801A CN 107846158 A CN107846158 A CN 107846158A
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thermo
power generation
electric device
flash vessel
water
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唐军
王正上
谢凌志
邓建辉
梁斌
***
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Sichuan University
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Sichuan University
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
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Abstract

The present invention relates to a kind of thermoelectric power generation unit with geothermal power generation, belong to technical field of generators, including bailing pipe (4), pulsating pump (5), flash vessel (6), draining pump (7), drainpipe (8), the bailing pipe (4) is positioned over the geothermal layer for holding hot water, pulsating pump (5) is installed on bailing pipe (4), draining pump (7) is installed on drainpipe (8), described flash vessel (6) includes radiator (1), thermo-electric device (2), water storage system (3), it is connected in series between described thermo-electric device (2) and thermo-electric device (2), and it is evenly arranged on the wall of water storage system (3), radiator (1) is equiped with the outer wall of thermo-electric device (2), one end of flash vessel (6) is connected with pulsating pump (5), the other end is connected with drainpipe (8).The present invention is that a kind of high generated energy, fund input and maintenance cost are low, and operation is simple, the generating set that noise pollution is low, environmental requirement is low, stability is high.

Description

A kind of thermoelectric power generation unit with geothermal power generation
Technical field
The invention belongs to geothermal power generation technical field, specifically, is related to a kind of thermoelectric power generation unit with geothermal power generation.
Background technology
China's geothermal energy resources are so abundant, but power station only has four because traditional geothermal power generation, especially in The technology of low-temperature space geothermal power generation is extremely complex.First have to extract and store enough hot water, container is reduced by being depressured dilatation method Pressure and hot water boiling is changed into steam, and then pushing turbine generates electricity.Or intermediate medium method is taken, due to chloroethanes or fluorine Boiling point is relatively low under the material normal pressure such as Lyons, and using hot water heating, these intermediate medium pushing turbines generate electricity.
Traditional underground heat power generation mode is actually one and converts heat into mechanical energy, and mechanical energy is then converted to the mistake of electric energy Journey.However, this power generation mode has many defects, the possibility of its large-scale application significantly limit.Firstly, since pass Geothermal power generation of uniting is to convert heat into mechanical energy using steam turbine to be then converted to electric energy, thus generating efficiency is extremely inefficient, no To 5%.In addition, the use of steam turbine, and decompression dilatation method or take intermediate medium method operation substantially increase before The input of phase and the maintenance cost in later stage.
Simultaneity factor run for environment degree of dependence it is high, process is sufficiently complex, technical requirements are too high, operation it is steady It is qualitative extremely low, but also huge noise pollution can be caused to surrounding environment.These factors cause geothermal power generation to be difficult to be absorbed to Trade investment, cause geothermal energy resources and fail to obtain the difficult situation of effective exploitation.
In face of this insufficient predicament of Development of Geothermal Resources, low temperature underground heat power generation project turns into carrying out in eastern region A kind of reliable selection, pass through progressively cultivating market and enterprise, actively low temperature geothermal power generation in development.But traditional geothermal power generation The highly difficult and inefficient purpose that can not substantially reach large-scale application of pattern, therefore we are a kind of efficient there is an urgent need to find The new technology of rate, low cost, fully to develop and utilize geothermal energy resources.
Denomination of invention 201410642098.0, discloses a kind of geothermal power generation plant, and it extracts hot water out, in header tank case Semiconductor thermoelectric generator is installed on wall, and generating is realized using the method for water-cooling semiconductor water cooling electric organ, its advantage is can It is high by property, middle-size and small-size geothermal power station is can be suitably used for, its existing deficiency is that the utilization rate of heat energy is low.
Therefore, it is necessary to propose a kind of TRT, geothermal energy resources can be efficiently utilized, convert heat energy into electric energy, Ensure generated energy, when avoiding use steam turbine power generation, noise that steam turbine is sent in operation process, raising heat utilization rate.
The content of the invention
The problem of in order to overcome in background technology, the present invention propose a kind of generated energy efficiency high, fund input and maintenance expense With low, operation is simple, the generating set that noise pollution is low, environmental requirement is low, stability is high.
To achieve these goals, the present invention is realized according to following technical scheme:
A kind of thermoelectric power generation unit with geothermal power generation includes bailing pipe 4, pulsating pump 5, flash vessel 6, draining pump 7, draining Pipe 8, described bailing pipe 4 are positioned over the geothermal layer for holding hot water, and pulsating pump 5 is installed on bailing pipe 4, and draining pump 7 is installed on On drainpipe 8, described flash vessel 6 include radiator 1, thermo-electric device 2, water storage system 3, described thermo-electric device 2 with it is another It is connected in series between thermo-electric device 2, and thermo-electric device 2 is uniformly mounted on the outer wall of water storage system 3, outside thermo-electric device 2 Radiator 1 is equiped with wall, the one end of flash vessel 6 is connected with pulsating pump 5, and the other end is connected with drainpipe 8.
A kind of another embodiment of thermoelectric power generation unit with geothermal power generation, it include thermo-electric device 2, water storage system 3, Flash vessel 6, cold water ascending pipe 14, warming water discharge pipe 15, one end of described cold water ascending pipe 14 are connected with the one end of flash vessel 6 Connect, the other end of flash vessel 6 is connected with warming water discharge pipe 15, and described flash vessel 6 includes thermo-electric device 2, water storage system 3, institute It is connected in series between the thermo-electric device 2 and thermo-electric device 2 stated, thermo-electric device 2 is uniformly mounted on the outer wall of water storage system 3, Flash vessel 6 is arranged in spa pool 17, and spa pool 17 is located in geothermal well 16.
Further, described water storage system 3 is the positive six face cylinder of inner hollow.
Further, described thermo-electric device 2 is composed in series by 100 Duis and above thermoelectric material by conducting strip 10, and Encapsulated using ceramic bases 11.
Preferably, the thermoelectric power generation unit of described geothermal power generation includes the flash vessel 6 of at least more than one, and previous stage The delivery port of flash vessel 6 is connected with the water filling port of next stage flash vessel 6.
Further, described thermo-electric device 2 is connected with accelerator.
Beneficial effects of the present invention:
(1) compared with traditional thermal power generation, geothermal energy resources can regenerate, be environment-friendly, and the aboundresources in China, Application prospect is huge.
(2) for compared with traditional geothermal power generation, conversion ratio of the invention is higher by 10% to 15%, and without turbine Group, reduce early investment and the maintenance cost in later stage.
(3) is affected by a natural smaller compared with the various new energy such as solar energy, wind energy, tidal power generation, can Lasting operation in 24 hours, is not interrupted, power generation stabilization, is adapted to grid-connected.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is thermo-electric device combining structure schematic diagram;
Fig. 3 is flash vessel structural representation I;
Fig. 4 is flash vessel structural representation II;
Fig. 5 is thermo-electric device structural representation;
Fig. 6 is the structural representation of embodiment 2;
Fig. 7 is the flash vessel structural representation of embodiment 2.
In figure, 1- radiators, 2- thermo-electric devices, 3- water storage systems, 4- bailing pipes, 5- pulsating pumps, 6- flash vessels, 7- drainings Pump, 8- drainpipes, 9- electric wires, 10- conducting strips, 11- ceramic bases, the very hot electric materials of 12-P, the very hot electric materials of 13-N, 14- are cold Water ascending pipe, 15- warming water discharge pipes, 16- geothermal wells, 17- spa pools.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, clear, it is right below in conjunction with accompanying drawing The preferred embodiments of the present invention are described in detail, to facilitate the technical staff to understand.
China's geothermal energy resources:
China's geothermal energy resources enrich, equivalent to 1.25 trillion tons standard coals of geothermal resource of hydrothermal type total amount, Chinese hot dry rock Total resources entry evaluation is equivalent up to 856,000,000,000,000 tons of standard coals.
Chinese hot water type resource every year can the amount of adopting (equivalent standard coal) 18.65 hundred million t, based on middle low temperature, supplemented by high temperature.
High temperature hot water type resource is mainly distributed on Tibet, Yunnan, Sichuan and Taiwan, and annual mining resources amount is (equivalent Standard coal) 0.18 hundred million t.
Middle water at low temperature heat type resource is distributed mainly on the large and medium-sized basins such as North China, northern Suzhou, loose the Liao Dynasty, Jiang-Han Area, Fen Weihe, every year Allowable exploitation (equivalent standard coal) 18.28 hundred million t;
Low-temperature geothermal resource (equivalent standard coal) 0.19 hundred million t in remaining hilly area.
As shown in figs. 1-7, it is embodiments of the invention structural representation:
Embodiment 1
A kind of thermoelectric power generation unit with geothermal power generation,
It includes bailing pipe 4, pulsating pump 5, flash vessel 6, draining pump 7, drainpipe 8, and described one end of bailing pipe 4 is positioned over Hold in the geothermal well 16 of hot water, pulsating pump 5 is installed on bailing pipe 4, and the one end of flash vessel 6 is connected with bailing pipe 4, the other end with Drainpipe 8 is connected, and draining pump 7 is installed on drainpipe 8, and described flash vessel 6 includes radiator 1, thermo-electric device 2, water storage system System 3, described inside thermo-electric device 2 is connected in series with another thermo-electric device 2, and thermo-electric device 2 is uniformly mounted to water storage On the wall of system 3, radiator 1 is equiped with the outer wall of thermo-electric device 2, in use, thermal water by water storage system 3 inside Circulate in hole.
In order to maintain the temperature difference on the two sides of thermo-electric device 2, radiator 1 is provided with outside thermo-electric device 2, keeps outside wall temperature It is similar to environment temperature, internal thermal source and outside environment, the temperature difference for causing the inside of thermo-electric device 2 to have 30 DEG C to 50 DEG C, Thermo-electric device 2 can realize 24 hours uninterrupted efficient, continued powers in the range of this, drastically increase geothermal power generation Efficiency.
The one side of radiator 1 of setting can protect thermo-electric device 2 from the mechanical damage of outside, on the other hand, can be with Increase the temperature difference between the hot junction of thermo-electric device 2 and cold end, ensure that thermo-electric device 2 continues efficiently to generate electricity.
Further, the water in geothermal spring contains substantial amounts of mineral, has corrosivity, therefore the water storage system 3 used With excellent decay resistance, described water storage system 3 be inner hollow positive six face cylinder, the inside of water storage system 3 Cavity can circulate substantial amounts of thermal water, and to reduce the thermal resistance between the outer wall of water storage system 3 and thermo-electric device 2, heat can be Even transmission, heat-conducting silicone grease is coated between the outer wall of water storage system 3 and thermo-electric device 2.
Water storage system 3 has high thermal conductivity, and this is due to that heat energy efficiently must be passed to thermo-electric device by water storage system 3 2。
Further, described thermo-electric device 2 is composed in series by more than 100 pairs thermoelectric materials by conducting strip 10, and is made It is encapsulated with ceramic bases 11.
The present embodiment, the research and development technology of thermo-electric device 2 possessed can be by several thermoelectric materials 2 to hundreds of pairs by special Conducting strip 10 is efficiently together in series, and reaches and uniformly generates electricity, puies forward efficient purpose.
In thermo-electric device 2 conducting strip 10 be thickness about 0.1mm albronze, albronze have low resistance, it is highly thermally conductive, Resistance to oxidation, erosion-resisting characteristic, it can effectively transmit the electric current between thermoelectricity bulk.
Thermo-electric device 2 is provided with two substrates 11, is equipped with conducting strip 10 in two substrates 11, very hot by P between conducting strip 10 Electric material 12 or the very hot electric materials 13 of N are connected, and arrival end is with installing live wire 9 on port of export conducting strip 10.
Due to long-play, there is oxidation, the factor of deliquescence, thermo-electric device 2 will be had an impact in hot spring pool environment, from Thermoelectricity bulk under being cut on monocrystalline is not suitable for directly using, it is necessary to the thermoelectricity device of standard is fabricated to by special encapsulation technology Part 2 could be applied.
The thermo-electric device 2 of series connection is pasted onto in highly thermally conductive, insulation ceramic bases 11 in use, according to thermo-electric device 2 Shape design ceramic bases 11 shape, vacuumized using mechanical pump and molecular pump, using same ceramic material by thermoelectricity Material 2 is encapsulated, and realizes the Vacuum Package of device.Anaerobic, insulator seal can be realized by encapsulation technology and ceramic bases 11 Dress, it is therefore prevented that oxidation, the generation of leaky.
Thermo-electric device 2 can convert heat energy into electric energy, and with the progress of generating, heat energy can gradually be lost, and cause water The reduction of temperature, causes internal-external temperature difference to reduce, and thermo-electric device 2 needs the higher temperature difference, can just there is higher efficiency.Therefore when temperature When degree reduces, by increasing aperture, hot water flow can be increased, water temperature can be raised.
It is embodied as, the water filling port of described flash vessel 6 is provided with temperature control system, and temperature control system includes TEMP Device, flow controller and electric control valve, controller, temperature sensor set a threshold value, detected when temperature sensor When temperature is less than the threshold temperature value set, temperature sensor is signaled to controller, and controller is signaled to electric adjustable Valve is saved, electric control valve increases its aperture, water temperature is increased, so as to improve the water temperature in water storage system 3.
Simultaneously, it is contemplated that be still far above environment temperature from the hot water temperature of delivery port outflow, devise more than one dilatation Device 6 recycles the hot water of different temperatures, drastically increases generating total amount and the utilization rate of geothermal energy resources.
It is embodied as, the thermoelectric power generation unit of described geothermal power generation comprises at least more than one group of flash vessel 6, and preceding The water inlet of the delivery port of one-level flash vessel 6 and next stage flash vessel 6 is connected in series.
Due to thermal source, in outside emitted energy, temperature is gradually successively decreased, in order to improve the utilization ratio to thermal source, also It can be cooperateed with generate electricity using different temperatures step by step by the multilayer device of design.
The thermo-electric device 2 that multilayer device is 2 groups and more than 2 groups, which organically combines, to be formed.Two groups of devices are exactly the heat with individual layer Electrical part 2 is substrate, and individual layer thermo-electric device 2 is connected thermo-electric device 2 again on potsherd, by electric wire by two layers of thermo-electric device 2 It is together in series, realizes the purpose that collaboration generates electricity.
The composition of more than two layers structure of thermo-electric device 2 is similar to two layer devices, will not be repeated here.
Accelerator and radionuclide can produce distinct ray, and these rays can be especially single to thermoelectric material 2 Brilliant material carries out the regulation and control of performance, so as to increase the thermoelectricity capability of thermoelectric material, improves transformation efficiency so that accelerator is in thermoelectricity Material 2 plays the important function of uniqueness in studying.The Ge-73.6 of natural abundance, synthesis are replaced currently with isotope Ge-76 Ba8Ga16Ge30 caged thermoelectric material 2, it is found that isotope effect exacerbates the sub- coupling effect of material electroacoustic.
It is embodied as, described thermo-electric device 2 is connected with accelerator.
The course of work of the present embodiment 1:In the thermo-electric plant of middle low temperature, inject water into rock mass, use suction pump 4 Water in rock mass is extracted out, makes hot water by flash vessel 6, and when hot water flows through the water storage system 3 in flash vessel 6, heat leads to Cross thermo-electric device 2 and be converted to electric energy, thermo-electric device 2 by electricity collection and transfers out after connecting, after flowing through one-level flash vessel 6 Hot water, the flash vessel 6 for flowing through next stage continue to generate electricity, until the temperature of hot water can arrange when being reduced to 5-10 DEG C of environment temperature Put, be finally discharged to from the hot water that flash vessel 6 is discharged from draining pump 7 in spa pool 17 and be used to persistently generate electricity.
Embodiment 2
The present invention discloses the thermoelectric power generation unit with geothermal power generation of another structure, and it includes thermo-electric device 2, water storage system System 3, flash vessel 6, electric wire 9, conducting strip 10, substrate 11, the very hot electric materials 12 of P, the very hot electric materials 13 of N, cold water ascending pipe 14, temperature Water discharge pipe 15.
One end of described cold water ascending pipe 14 is connected with the one end of flash vessel 6, the other end of flash vessel 6 and warming water discharge pipe 15 are connected, and described flash vessel 6 includes thermo-electric device 2, water storage system 3, described thermo-electric device 2 and another thermo-electric device 2 Between be connected in series, thermo-electric device 2 is uniformly mounted on the outer wall of water storage system 3, and flash vessel 6 is arranged in spa pool 17, Spa pool 17 is located in geothermal well 16.
Further, the water in geothermal spring contains substantial amounts of mineral, has corrosivity, for make the outer wall of water storage system 3 with Thermal resistance between thermo-electric device 2 reduces, and heat can uniformly transfer, be coated with and lead between the outer wall of water storage system 3 and thermo-electric device 2 Hot silicone grease.
To ensure efficiently to realize the effect of the increase temperature difference, water storage system 3 has high thermal conductivity, and substrate 11 has outstanding The capacity of heat transmission.
Further, described thermo-electric device 2 is composed in series by more than 100 pairs thermoelectric materials 2 by conducting strip 10, and is made Loaded with the underseal of ceramic base 11.
Several thermoelectricity bulks to hundreds of pairs can be passed through special conduction by the research and development technology of thermo-electric device 2 that this group is possessed Piece 10 is efficiently together in series, and reaches and uniformly generates electricity, puies forward efficient purpose.
In thermo-electric device 2 conducting strip 10 be thickness about 0.1mm albronze, albronze have low resistance, it is highly thermally conductive, Resistance to oxidation, erosion-resisting characteristic, it can effectively transmit the electric current between thermoelectricity bulk.
Series system is:Thermo-electric device 2 is provided with two substrates 11, is equipped with conducting strip 10 in two substrates 11, conducting strip 10 it Between be connected by the very hot electric materials 12 of P or the very hot electric materials 13 of N, arrival end is with installing live wire 9 on port of export conducting strip 10.
Due to long-play, oxidation, deliquescence in spa pool under environment can have an impact to thermo-electric device 2, from monocrystalline Thermoelectricity bulk 2 under upper cutting is not suitable for directly using, it is necessary to the thermo-electric device 2 of standard is fabricated to by special encapsulation technology It just can apply to put into practice.
The thermo-electric device 2 of series connection is pasted onto in highly thermally conductive, insulation ceramic bases 11, according to the shape of thermo-electric device 2 The shape of ceramic bases 11 is designed, is vacuumized using mechanical pump and molecular pump, using same ceramic material by the envelope of thermoelectric material 2 Load, realize the Vacuum Package of device.Anaerobic, insulation-encapsulated can be realized by encapsulation technology and ceramic bases 11, is prevented Oxidation, the generation of leaky.
In addition, it is contemplated that requirement of the different application environment to device shape specification is different, we can prepare shape, size Diversified device, reach the purpose suited measures to local conditions.Due to thermal source, in outside emitted energy, temperature is gradually successively decreased, in order to The utilization ratio for thermal source is improved, we also develop the device of multilayer, are generated electricity step by step using different temperatures to cooperate with.
Thermo-electric device 2 can convert heat energy into electric energy, and with the progress of generating, heat energy can gradually be lost, and cause water The reduction of temperature, causes internal-external temperature difference to reduce, and thermo-electric device 2 needs the higher temperature difference to have higher efficiency.Therefore when temperature Degree is needed to increase cold water flow when reducing, and the temperature difference can be made to become big.
Further, the water filling port of described flash vessel 6 is provided with temperature control system, temperature control system include temperature sensor, Flow controller and electric control valve, controller, temperature sensor sets a threshold value, when the temperature that temperature sensor detects Higher than setting threshold temperature value when, temperature sensor is signaled to controller, and controller is signaled to electric control valve, Electric control valve increases its aperture, makes the water temperature drop in water storage system 3, so as to reach the purpose of the increase temperature difference.
Simultaneously, it is contemplated that be still far above environment temperature from the hot water of delivery port outflow is stable, devise more than one dilatation Device recycles the hot water of different temperatures, drastically increases generating total amount and the utilization rate of geothermal energy resources.
It is embodied as, the thermoelectric power generation unit of described geothermal power generation includes the flash vessel 6 more than at least one set of, and preceding The water inlet of the delivery port of one-level flash vessel 6 and next stage flash vessel 6 is connected in series.
Accelerator and radionuclide can produce distinct ray, and these rays can be to thermoelectric material especially monocrystalline Material carries out the regulation and control of performance, so as to increase the thermoelectricity capability of material, improves transformation efficiency so that accelerator is ground in thermoelectric material Study carefully the middle important function for playing uniqueness.We replace the Ge-73.6 of natural abundance, synthesis using isotope Ge-76 at present Ba8Ga16Ge30 caged thermoelectric materials, it is found that isotope effect exacerbates the sub- coupling effect of material electroacoustic.
It is embodied as, described thermo-electric device 2 is connected with accelerator.
The course of work of the embodiment of the present invention 2:Flash vessel 6 is placed in the spa pool 17 of underground geothermal well 16, drawn from the ground Enter cold water, cold water is will be filled with such water storage system 3, and now the temperature sensor device in temperature control system sets a temperature The upper limit is spent, when water temperature is higher than this threshold value, temperature controller sends control signal and sends a signal to electronic to controller, controller Regulating valve, the aperture of electric control valve is increased, to reach the purpose of water temperature in stable flash vessel 6.
And due to there is difference in height between cold water inlet and outlet so that can be in the case of water pump consumed energy is less just The water circulation of cold water completion from the inlet to the outlet can be driven.It is that outside is hot junction by such mounting means, the inside is cold end Form.The flash vessel 6 of series connection can make the outer wall of flash vessel 6 more fully contact thermal source, be advantageous to make full use of geothermal energy resources.
Table one:
Table two:
It is geothermal power station parameter and non-technical cost as shown in table one, table two, considers the maturity of technological innovation and non- It is about 1,200,000,000 through adjusting power station totle drilling cost, by current electricity price, gross investment will the cost recovery in 20 years under scale situation. The service life of thermo-electric device 2 will at least obtain the economic benefit of follow-up 10 years more than 30 years.
Table three
Table four
Thermo-electric device Sulfur family leaded thing Sulfur family copper compound Sulfur family bismuthide
Conversion efficiency 12%~15% 10%~12% 9%~11%
Electrical conductivity (/ Ω m) 6.1×104 5.7×104 8.5×104
Thermoelectricity is high-quality 2.05 1.63 1.81
Table five
As shown in table 3- tables 5, compared to traditional underground heat power generation mode, have with the thermoelectric power generation unit of geothermal power generation many Advantage.During system operation, in the water storage system 3 that extraction hot water injection flash vessel 6 need to be continued, or cold water is persistently injected, by temperature Difference, the thermo-electric device 2 on flash vessel 6,24 hours tidal time differences can be achieved.
This power generation mode eliminates steam turbine and rotates all too many levels, directly converts heat into electric energy, is greatly enhanced Generating efficiency, improves about 10% to 15%.Simultaneously because without turbine set, mechanical energy loss is reduced, is greatly reduced Early investment and later maintenance expense, whole process operation is simple, engineering difficulty is low, to the degree of dependence of environment small, will not Noise pollution is caused, sustainable generating, there is high stability.
The system for geothermal production of electricity of the present invention is to organically combine geothermal power generation and thermoelectric material, is sent out using high performance thermoelectricity The abundant exploitation of geothermal resource of electric installation.Simultaneously the speciality based on thermoelectric material, thermoelectricity system for geothermal production of electricity without steam turbine among The work of medium, heat energy can be achieved to the direct conversion of electric energy, reduce technology difficulty, improve generating efficiency, have very big Application potential and development prospect.
The present invention has compared with traditional thermal power generation, and geothermal energy resources can regenerate, be environment-friendly, and the resource in China It is abundant, huge using advancing.Compared with traditional geothermal power generation, conversion ratio of the invention is higher by 10% to 15%, and need not Turbine set, reduce early investment and the maintenance cost in later stage.Compared with solar energy, wind energy, the various new energy of tidal power generation, by The influence of natural environment is smaller, can lasting operation in 24 hours, do not interrupt, power generation stabilization, adapt to it is grid-connected.
In the present invention design of flash vessel with package technique technique is simple, cost is relatively low, power output is high, have great Development potentiality and application value, it is a ring indispensable in thermoelectricity geothermal power generation.
Finally illustrate, described above is the preferred embodiment of the present invention, although by above preferred embodiment, Through the present invention is described in detail, it is to be understood by those skilled in the art that can be in the form and details to it It is variously modified, without departing from the scope required by claims of the present invention.

Claims (6)

1. a kind of thermoelectric power generation unit with geothermal power generation, including bailing pipe (4), pulsating pump (5), flash vessel (6), draining pump (7), drainpipe (8), described bailing pipe (4) are positioned over the geothermal well (16) for holding thermal water (17), and pulsating pump (5) is installed on On bailing pipe (4), draining pump (7) is installed on drainpipe (8), it is characterised in that:Described flash vessel (6) includes radiator (1), thermo-electric device (2), water storage system (3), are connected in series between described thermo-electric device (2) and another thermo-electric device (2), and Thermo-electric device (2) is evenly mounted on the outer wall of water storage system (3), and radiator is equiped with the outer wall of thermo-electric device (2) (1), flash vessel (6) one end is connected with bailing pipe (4), and flash vessel (6) other end is connected with drainpipe (8).
2. a kind of thermoelectric power generation unit with geothermal power generation, including thermo-electric device (2), water storage system (3), flash vessel (6), cold water Ascending pipe (14), warming water discharge pipe (15), one end of described cold water ascending pipe (14) are connected with flash vessel (6) one end, expand Container (6) other end is connected with warming water discharge pipe (15), it is characterised in that:Described flash vessel (6) includes thermo-electric device (2), water storage system (3), it is connected in series between described thermo-electric device (2) and another thermo-electric device (2), thermo-electric device (2) is equal Evenly on the outer wall of water storage system (3), flash vessel (6) is arranged in spa pool (17), and spa pool (17) is located at underground heat In well (16).
A kind of 3. thermoelectric power generation unit with geothermal power generation according to claim 1 or 2, it is characterised in that:Described storage Water system (3) is the positive six face cylinder of inner hollow.
A kind of 4. geothermal power generation unit according to claim 1 or 2, it is characterised in that:Described thermo-electric device (2) by 100 pairs and above thermoelectric material are composed in series by conducting strip (10), and are encapsulated using ceramic bases (11).
A kind of 5. thermoelectric power generation unit with geothermal power generation according to claim 1 or 2, it is characterised in that:Described use The thermoelectric power generation unit of geothermal power generation includes the flash vessel (6) of at least more than one, and the delivery port of previous stage flash vessel (6) with The water filling port connection of next stage flash vessel (6).
A kind of 6. thermoelectric power generation unit with geothermal power generation according to claim 3, it is characterised in that:Described thermoelectricity device Part (2) is connected with accelerator.
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