CN208332725U - A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device - Google Patents
A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device Download PDFInfo
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- CN208332725U CN208332725U CN201820933139.5U CN201820933139U CN208332725U CN 208332725 U CN208332725 U CN 208332725U CN 201820933139 U CN201820933139 U CN 201820933139U CN 208332725 U CN208332725 U CN 208332725U
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- 238000000605 extraction Methods 0.000 title claims abstract description 10
- 230000005611 electricity Effects 0.000 title claims description 13
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 15
- 238000012806 monitoring device Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005553 drilling Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 15
- 238000010248 power generation Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
本实用新型公开了一种基于温差发电装置的煤田火区热能提取与利用系统，包括热能提取系统、温差发电片组、回收装置、监测装置以及附属装置；热能提取系统包括煤田火区、设置在煤田火区中的垂直钻孔、导热管路、蒸汽管路、耐高温抽气泵以及流量控制阀；温差发电片组由多组温差发电片串并联构成，通过改变温差发电片串并联连接方式，达到所需电压；回收装置由冷凝器、循环工质、泄压阀以及箱体组成，监测装置由温度传感器和液位传感器构成，附属装置包括网络线路和计算机。本实用新型利用热棒相变传热原理提取火区中的热能，采用温差发电装置转化热能，实现煤田火区热能的高效利用。
The utility model discloses a thermal energy extraction and utilization system in a coal field fire area based on a thermoelectric power generation device. Vertical boreholes, heat conduction pipelines, steam pipelines, high temperature resistant air pumps and flow control valves in the coal field fire area; thermoelectric power generation panels are composed of multiple sets of thermoelectric power generation panels in series and parallel. The required voltage is reached; the recovery device is composed of a condenser, a circulating working medium, a pressure relief valve and a box body, the monitoring device is composed of a temperature sensor and a liquid level sensor, and the ancillary devices include network lines and computers. The utility model utilizes the heat transfer principle of the hot rod phase change to extract the thermal energy in the fire zone, adopts the thermoelectric power generation device to convert the thermal energy, and realizes the efficient utilization of the thermal energy in the coal field fire zone.
Description
Technical field
The utility model relates to heat energy recycle fields, are related to a kind of coal-field fire thermal energy based on temperature difference electricity generation device
It extracts and the system of utilizing.
Background technique
In the world, in the world all there is subterranean coal combustion phenomena in all producing coal states to some extent.From 20 generation
Discipline starts, and Coal Fire Fields successively form disaster in Britain, the U.S., India, Australia, Indonesia and China, wherein in
State, the U.S. and India's coal fire disaster are the most serious.For the range that coal-field fire is distributed in China than wide, fire degree is tight
The gross area of weight, flame range reaches 720km2, wherein flame range area in Xinjiang coalfield's is 9,920,000 m2.It is lost it is estimated that China is directly burnt every year
Coal reserves is more than 20,000,000 tons, 200,000,000 tons of collateral damage coal resources, at least causes 20,000,000,000 yuan of economic loss every year.This
Outside, a series of problems, such as coal-field fire not only burns a large amount of coal resources, causes surface subsidence, soil desertification, but also meeting
The a large amount of toxic and harmful gas of such as CO is generated to pollute environment.Although coal-field fire ignition temperature is high, range is big, its
Contain huge thermal energy.In addition, conventional fire-fighting technique such as slip casting or fluid injection nitrogen etc. do not consider the extraction of coal fire heat with
The huge energy for utilizing, but containing in waste coal fire completely.According to statistics, annual whole world coal fire about burn 1,000,000,000 t can not
Regenerated coal resources generate the energy of about 1000GW.
Utility model content
The utility model is directed to the problems such as waste of the heat resource in coal-field fire, environmental pollution, utilizes hot pin phase transformation
Heat transfer theory extracts the thermal energy in flame range, propose a kind of coal-field fire thermal energy based on temperature difference electricity generation device extract with using being
System converts thermal energy using temperature difference electricity generation device, realizes the efficient utilization of coal-field fire thermal energy.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of extraction of coal-field fire thermal energy and the system of utilizing, including thermal energy extraction system, temperature based on temperature difference electricity generation device
Poor power generation sheet group, recyclable device, monitoring device and auxiliary equipment；
The thermal energy extraction system includes coal-field fire, the vertical drilling being arranged in coal-field fire, thermally conductive pipeline, steam
Pipeline, high temperature resistant aspiration pump and flow control valve；
The closed thermally conductive pipeline in bottom is arranged in the vertical drilling, one end of thermally conductive pipeline is located underground, for drawing
Coal-field fire heat, the other end are rest on the ground, and top is connected with steam pipework, and heat conducting pipe road is equipped with liquid injection hole,
The steam (vapor) outlet and liquid injection port of thermally conductive pipeline form circulation loop, to prevent heat conducting pipe road from dry-out occur, guarantee heat conducting pipe
Cycle fluid is sufficient in road；In order to control the flow velocity of steam, high temperature resistant aspiration pump and adjustable is disposed on the steam pipework
The flow control valve of section guarantees steam pipework and thermoelectric generation film group to realize that steam at the uniform velocity flows in steam pipework
High efficient heat exchanging；
The thermoelectric generation film group is made of in series and parallel multiple groups thermoelectric generation film, is connected in series and parallel by changing thermoelectric generation film
Mode is connect, required voltage is reached；The thermoelectric generation film includes hot end heat exchanger, thermoelectric material, cool end heat exchanger, wing
Piece, battery, cooling fan and installation part；In order to reduce the loss of the heat-exchange power between steam and thermoelectric generation film group, institute
It states thermoelectric generation film to be tightly attached on steam pipework, the hot end heat exchanger high with heating conduction of the steam in realization steam pipework is efficient
Heat exchange；Arrange that fin, fin are contacted with air on the cool end heat exchanger, the cool end heat exchanger lower end arrangement small-power is cooling
Fan causes cool end heat exchanger and air forced heat-exchanging, increases between hot end heat exchanger and cool end heat exchanger to the utmost
The temperature difference, the temperature difference is bigger, and generating efficiency is higher, and the cooling fan is by thermoelectric generation film group power itself；The hot end heat exchanger
Two thermoelectric materials are fixed by installation part between cool end heat exchanger；The battery turns for storing thermoelectric generation film group
The electric energy of change；
The recyclable device is made of condenser, cycle fluid, relief valve and cabinet, the thermoelectric generation film group and case
Setting condenser then passes in cabinet for the gas and liquid that carry heat to be condensed into Normal Atmospheric Temperature Liquid among body；It is described
Cabinet uses closed cuboid, inside stores cycle fluid, and automatic pressure relief valve is arranged in top, once pressure limit, automatic leakage
Pressure；
The monitoring device is made of temperature sensor and liquid level sensor, and hot end heat exchanger directly connects with steam pipework
It touches, fin is connected on cool end heat exchanger and uses cooling fan forced cooling, changed using temperature sensor real-time monitoring hot end
The temperature change of hot device and cool end heat exchanger flows into the flow and cooling fan of the cycle fluid in thermally conductive pipeline by regulation
Wind speed guarantee that the temperature difference between hot end heat exchanger and cool end heat exchanger is larger；Liquid level sensor is installed in cabinet, for real
When monitoring cabinet in cycle fluid fluid change；
The auxiliary equipment includes network line and computer；By temperature sensor and liquid level sensor real-time monitoring
Data are transmitted to host by network line, and host is transferred signals to after carrying out transformational analysis processing to it by network line
Computer is observed by computer and is followed in the temperature change and cabinet of thermoelectric generation film group hot end heat exchanger and cool end heat exchanger
The fluid change situation of ring working medium, and then adjust the steam in steam pipework and flow into the circulation industrial mass flow in thermally conductive pipeline
Speed, to guarantee the maximization of generating efficiency.
Coal-field fire vertical drilling collapse hole in order to prevent, the vertical drilling is interior to be equipped with sets of holes.
The utility model has the following beneficial effects:
The thermal energy in flame range is extracted using hot pin phase-change heat transfer principle, thermal energy is converted using temperature difference electricity generation device, realizes coal
The efficient utilization of field flame range thermal energy.
Detailed description of the invention
Fig. 1 is that a kind of coal-field fire thermal energy based on temperature difference electricity generation device of the utility model embodiment extracts and the system of utilizing
Overall structure diagram.
Fig. 2 is the partial structural diagram of the utility model embodiment.
Fig. 3 is the cooling fan electrical schematic in the utility model embodiment
In figure: 1- coal-field fire；2- drilling；The thermally conductive pipeline of 3-；4- steam pipework；5- high temperature resistant aspiration pump；6- flow control
Valve processed；7- thermoelectric generation film group；8- fin；9- temperature sensor；10- cooling fan；11 condensers；12- cycle fluid；13-
Relief valve；14- cabinet；15- liquid level sensor；16- fluid injection pipeline；17- network line；18- computer；The heat exchange of the hot end 19-
Device；20- thermoelectric material；21- cool end heat exchanger；22- installation part；23- battery.
Specific embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1-Figure 3, a kind of coal-field fire thermal energy based on temperature difference electricity generation device of the utility model embodiment mentions
It takes and utilizes system, including thermal energy extraction system, thermoelectric generation film group, recyclable device, monitoring device and auxiliary equipment；
Thermal energy extraction system includes coal-field fire 1, the vertical drilling being arranged in coal-field fire 2, thermally conductive pipeline 3, steam
Pipeline 4, high temperature resistant aspiration pump 5 and flow control valve 6 etc..2 collapse hole of coal-field fire vertical drilling in order to prevent, in vertical drilling
Sets of holes are equipped in 2；The closed thermally conductive pipeline 3 in bottom, one end suction located underground of thermally conductive pipeline 3 are arranged in the vertical drilling 2
1 heat of coal-field fire is taken, the other end is rest on the ground, and top is connected with steam pipework 4, and note is equipped on thermally conductive pipeline 3
Fluid apertures, the steam (vapor) outlet and liquid injection port of thermally conductive pipeline 3 form circulation loop, to prevent heat conducting pipe road 3 from dry-out occur, protect
It is sufficient to demonstrate,prove cycle fluid 12 in thermally conductive pipeline 3；In order to control the flow velocity of steam, high temperature resistant pumping is disposed on steam pipework 4
Pump and adjustable flow control valve 5 guarantee steam pipework 4 and temperature to realize that steam at the uniform velocity flows in steam pipework 4
The high efficient heat exchanging of poor power generation sheet group 7.
Thermoelectric generation film group 7 is made of multiple groups thermoelectric generation film series and parallel, is connected in series and parallel by changing thermoelectric generation film
Mode reaches required voltage.Thermoelectric generation film is mainly by hot end heat exchanger 19, thermoelectric material 20, cool end heat exchanger 21, wing
The composition such as piece 8, battery 23, cooling fan 10 and installation part 22.In order to which the heat reduced between steam and thermoelectric generation film group 7 is handed over
Energy loss is changed, thermoelectric generation film group 7 is tightly attached on steam pipework 4, realizes the steam and heating conduction in steam pipework 4
High 19 high efficient heat exchanging of hot end heat exchanger；In order to reduce the temperature of cool end heat exchanger 21, fin is arranged on cool end heat exchanger 21
8, fin 8 is contacted with air, and cooling fan 10 is arranged in the cool end heat exchanger lower end, causes cool end heat exchanger 21 and air strong
System heat exchange increases the temperature difference between hot end heat exchanger 19 and cool end heat exchanger 21 to the utmost, and the temperature difference is bigger, and generating efficiency is got over
Height, cooling fan 10 is by 7 power itself of thermoelectric generation film group；In order to efficiently utilize thermal energy, generated energy is improved, in hot end heat exchanger
The good thermoelectric material 20 of two power generation performances is arranged between 19 and cool end heat exchanger 21, and fixed using installation part 22；It stores
Battery 23 is used to store the electric energy of the conversion of thermoelectric generation film group 7.
Recyclable device is made of condenser 11, cycle fluid 12, relief valve 13 and cabinet 14.Steam exists in order to prevent
The steam for carrying heat by still there is part after thermoelectric generation film group 7, is arranged among thermoelectric generation film group 7 and cabinet 14
The gas for carrying heat and liquid are condensed into Normal Atmospheric Temperature Liquid, flow in cabinet 14 by condenser 11；Cabinet 14 be designed to one it is close
The cuboid closed, for installing cycle fluid 12；Box house pressure is excessive in order to prevent, and automatic leakage is arranged on 14 top of cabinet
Pressure valve 13, once pressure limit, releasing pressure automatically.
Monitoring device is made of temperature sensor 9 and liquid level sensor 15.Hot end heat exchanger 19 directly connects with steam pipework 4
It touches, fin 8 is connected on cool end heat exchanger 21 and uses 10 forced cooling of cooling fan, use 9 real-time monitoring of temperature sensor
The temperature change of hot end heat exchanger 19 and cool end heat exchanger 21 flows into the stream of the cycle fluid 12 in thermally conductive pipeline 3 by regulation
The wind speed of amount and cooling fan 10 guarantees that the temperature difference between hot end heat exchanger 19 and cool end heat exchanger 21 is larger；Level sensing
Device 15 is installed in cabinet 14, the fluid change of cycle fluid 12 in real-time monitoring cabinet 14.
Auxiliary equipment includes network line 17, computer 18.Temperature sensor 9 and liquid level sensor 15 are supervised in real time
The data of survey are transmitted to host by network line 17, and host will be believed after carrying out transformational analysis processing to it by network line 17
Number it is transferred to computer 18, passes through the temperature that computer 18 observes thermoelectric generation film group hot end heat exchanger 19 and cool end heat exchanger 21
The fluid change situation of cycle fluid 12 in variation and cabinet 14, and then adjust steam and inflow in steam pipework 4 and lead
12 flow velocity of cycle fluid in pipe line 3, to guarantee the maximization of generating efficiency.
The working principle of this specific embodiment are as follows: arranged in existing coal-field fire injected hole or in coal-field fire 1
New vertical drilling 2, arranges the thermally conductive pipeline 3 of overlength in vertical drilling 2.Lower 1 high-temperature region of end in contact coal-field fire of thermally conductive pipeline 3
Domain, the cycle fluid 12 in thermally conductive pipeline 3 absorb coal-field fire thermal energy, are changed into gaseous state by liquid, high temperature resistant aspiration pump 5 with
And under the action of flow control valve 6, being flowed in steam pipework 4 at the uniform velocity, when flowing through thermoelectric generation film group 7, thermoelectric generation film
Hot end heat exchanger 19 and steam pipework 4 in working substance steam high efficient heat exchanging, 19 temperature of hot end heat exchanger rise, the cold end on both sides
It is connected to fin 8 on heat exchanger 21 and uses 10 forced cooling of cooling fan, reduces the temperature on cool end heat exchanger 21, causes
The temperature difference sends out 20 both ends of sheet material and forms the temperature difference, for generating electricity, exchanges heat in the hot end heat exchanger 19 and cold end of thermoelectric generation film group 7
Device 21 is respectively arranged temperature sensor 9, perceives hot end heat exchanger 19 and 21 temperature change of cool end heat exchanger, passes through network line
17 are transmitted to host, and host transfers signals to computer 18 by network line 17 again after carrying out transformational analysis processing to it,
Realize the real-time monitoring of its temperature.Steam enters in condenser 11 by after thermoelectric generation film group 7 to liquefy, and flows into cabinet 14,
In cabinet 14, liquid level sensor 15 is installed, monitors the fluid change of cycle fluid 12 in cabinet 14, is led to control inflow
12 flow velocity of cycle fluid in pipe line 3,14 lower end of cabinet is connected with fluid injection pipeline 16, under the action of flow control valve 6,
Cycle fluid 12 at the uniform velocity flows into thermally conductive pipeline 3 via fluid injection pipeline 16, forms circulation, pushes without external impetus.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (3)
1. a kind of coal-field fire thermal energy based on temperature difference electricity generation device extracts and the system of utilizing, it is characterised in that: mentioned including thermal energy
Take system, thermoelectric generation film group, recyclable device, monitoring device and auxiliary equipment；
The thermal energy extraction system includes coal-field fire, the vertical drilling being arranged in coal-field fire, thermally conductive pipeline, steam pipe
Road, high temperature resistant aspiration pump and flow control valve；The closed thermally conductive pipeline in bottom is arranged in the vertical drilling, thermally conductive pipeline
One end is located underground, and for drawing coal-field fire heat, the other end is rest on the ground, and top is connected with steam pipework, and described
Heat conducting pipe road is equipped with liquid injection hole, and the steam (vapor) outlet and liquid injection port of thermally conductive pipeline form circulation loop, cloth on the steam pipework
It is equipped with high temperature resistant aspiration pump and adjustable flow control valve, to realize that steam at the uniform velocity flows in steam pipework, is guaranteed
The high efficient heat exchanging of steam pipework and thermoelectric generation film group；
The thermoelectric generation film group is made of in series and parallel multiple groups thermoelectric generation film, by changing the series-parallel connection side of thermoelectric generation film
Formula reaches required voltage；The thermoelectric generation film includes hot end heat exchanger, thermoelectric material, cool end heat exchanger, fin, storage
Battery, cooling fan and installation part；The thermoelectric generation film is tightly attached on steam pipework, realize steam pipework in steam with lead
The high hot end heat exchanger high efficient heat exchanging of hot property；Arrange that fin, fin are contacted with air on the cool end heat exchanger, the cold end
Small-power cooling fan is arranged in heat exchanger lower end, causes cool end heat exchanger and air forced heat-exchanging；The hot end heat exchanger with it is cold
Two thermoelectric materials are fixed by installation part between the heat exchanger of end；The battery is used to store the conversion of thermoelectric generation film group
Electric energy；
The recyclable device is made of condenser, cycle fluid, relief valve and cabinet, in the thermoelectric generation film group and cabinet
Between condenser is set, for the gas and liquid that carry heat to be condensed into Normal Atmospheric Temperature Liquid, then pass in cabinet；The cabinet
Using closed cuboid, cycle fluid is inside stored, automatic pressure relief valve is arranged in top, once pressure limit, releasing pressure automatically；
The monitoring device is made of temperature sensor and liquid level sensor, and the temperature sensor is changed for real-time monitoring hot end
The temperature change of hot device and cool end heat exchanger flows into the flow and cooling fan of the cycle fluid in thermally conductive pipeline by regulation
Wind speed guarantee that the temperature difference between hot end heat exchanger and cool end heat exchanger is larger；The liquid level sensor is installed in cabinet, is used
The fluid change of cycle fluid in real-time monitoring cabinet；
The auxiliary equipment includes network line and computer；By temperature sensor and the data of liquid level sensor real-time monitoring
Host is transmitted to by network line, and host carries out it to transfer signals to calculating by network line after transformational analysis processing
Machine observes circulation industrial in the temperature change and cabinet of thermoelectric generation film group hot end heat exchanger and cool end heat exchanger by computer
The fluid change situation of matter, and then adjust the steam in steam pipework and flow into the cycle fluid flow velocity in thermally conductive pipeline, from
And guarantee the maximization of generating efficiency.
2. a kind of coal-field fire thermal energy based on temperature difference electricity generation device as described in claim 1 extracts and the system of utilizing, spy
Sign is: sets of holes are equipped in the vertical drilling.
3. a kind of coal-field fire thermal energy based on temperature difference electricity generation device as described in claim 1 extracts and the system of utilizing, spy
Sign is: the cooling fan is by thermoelectric generation film group power itself.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933139.5U CN208332725U (en) | 2018-06-15 | 2018-06-15 | A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820933139.5U CN208332725U (en) | 2018-06-15 | 2018-06-15 | A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534380A (en) * | 2018-06-15 | 2018-09-14 | 西安科技大学 | A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device |
| NL1044009B1 (en) * | 2021-04-22 | 2022-11-01 | Lodewijk Peter Ruijters Drs | Shallow depth geothermal electricity generator |
| CN115289865A (en) * | 2022-07-20 | 2022-11-04 | 中国舰船研究设计中心 | A nuclear steam waste heat recovery device based on thermoelectric power generation |
-
2018
- 2018-06-15 CN CN201820933139.5U patent/CN208332725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534380A (en) * | 2018-06-15 | 2018-09-14 | 西安科技大学 | A kind of extraction of coal-field fire thermal energy and the system of utilizing based on temperature difference electricity generation device |
| NL1044009B1 (en) * | 2021-04-22 | 2022-11-01 | Lodewijk Peter Ruijters Drs | Shallow depth geothermal electricity generator |
| CN115289865A (en) * | 2022-07-20 | 2022-11-04 | 中国舰船研究设计中心 | A nuclear steam waste heat recovery device based on thermoelectric power generation |
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