CN1667935A - Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident - Google Patents
Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident Download PDFInfo
- Publication number
- CN1667935A CN1667935A CN 200510011353 CN200510011353A CN1667935A CN 1667935 A CN1667935 A CN 1667935A CN 200510011353 CN200510011353 CN 200510011353 CN 200510011353 A CN200510011353 A CN 200510011353A CN 1667935 A CN1667935 A CN 1667935A
- Authority
- CN
- China
- Prior art keywords
- power supply
- high temperature
- thermoelectric generator
- temperature gas
- cooled reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
This invention relates to a thermo-generator for monitoring instrument power supply after a fault of high temperature gas-cooled reactor characterizing in containing at least a thermo-generator module closely stuck to the inside surface of a water-cool wall of the reactor, said module contains a thermo-generator, its cooling end is adhered to said water-cool wall by a heat conduction plate, its heat end faces to said pressure shell, a heat end heat conduction plate and a heat absorption face are stuck to the heat end face, the output end of the power supply of the device is connected with a supply automatic regulation device, the output end of which is connected with an instrument waiting for providing power.
Description
Technical field
The invention belongs to nuclear reactor engineering and safe practice field, particularly high-temperature gas-cooled reactor Post-Accident Monitoring Instrumentation power supply device.
Background technology
High temperature gas cooled reactor is known as one of preferred heap type of the advanced reactor of a new generation's (the 4th generation) with its good intrinsic safety by world's nuclear energy circle.Nuclear energy technology design and research institute of Tsing-Hua University research, the 10MW high temperature gas cooled reactor of building have realized the first divergence operation on December 21st, 2000, make China continue English, U.S., moral, become that a few grasps one of country of this advanced technology in the world in the future.
According to the Safety Design criterion of advanced nuclear power system of the 4th generation, the high temperature gas-cooled experimental reactor of 10MW particularly under the breakdown operating mode, must carry out post accident monitoring in shutdown to the important technological parameters of high temperature nuclear reactor for a long time continuously.For the data acquisition and monitoring system provides reliable and stable power supply is one of prerequisite that reaches the criterion requirement.The most safe level diesel generating sets that adopt of traditional emergency power supply, it costs an arm and a leg, technical sophistication.The thermo-electric generation technology is the reliable thermoelectric generation technology of a kind of height of static state.Utilizing the residual heating after the high temperature nuclear reactor shutdown, convert the post accident monitoring power supply to through thermoelectric generator, then is the power supply reliability that strengthens accident monitoring greatly, the conception that has novelty that prolongs duration of power supply.This conception then can further be improved the security feature inscape of high temperature nuclear reactor if be achieved, and great innovative significance is arranged.
10MW high temperature nuclear reactor residual heat removal system is carried out the waste heat discharge function after the reactor shutdown, for non-can dynamic formula system, promptly disobey outer power and waste heat can be drained into the ultimate heat sink atmosphere.The separate residual heat removal system of existing 2 covers of high temperature nuclear reactor, every Analysis of Nested Design ability is 134kW.Every cover system is by water-cooling wall, the natural circulation chilled(cooling) water return (CWR), and three parts of aerial cooler are formed.During the normal reactor operation, this system carries out pressure vessel bearing refrigerating function, assurance bearing place concrete temperature≤70 ℃.After deperssurization emergency that circuit cools agent loss takes place or reactor shutdown, carry out the waste heat discharge function, to guarantee that pressure vessel is in the safe temperature scope.180 ℃ the temperature difference is nearly arranged between pressure vessel and the water-cooling wall.When can guaranteeing that waste heat is fully discharged, suitably utilize this temperature difference to produce electric power and power for Post-Accident Monitoring Instrumentation by temperature difference electricity generation device.Like this, even in all factories of forfeiture, under the situation of external power, also can utilize reactor waste to power, thereby obtain Monitoring Data for Post-Accident Monitoring Instrumentation.
Thermoelectric generator can be divided into high temperature (more than 700 ℃), middle temperature (400～700 ℃) and low temperature (below 400 ℃) electric organ by the hot junction working temperature.The used transductive material of high temperature electric organ mainly contains germanium-silicon alloy, Antaciron etc.; In the used material of warm electric organ mainly be lead telluride and alloy thereof; The used material of low-temperature electricity-generating device mainly is bismuth telluride and alloy thereof.The thermoelectric generator life-span is long, reliability is high, noiseless, Maintenance free when working.
Thermoelectric generator utilizes the Seebeck effect (being thermoelectric effect) of material, (claim that usually the polyelectron semi-conducting material is a n type material having different Seebeck coefficients, multi-hole section bar material is a P-type material) material be coupled to π type PN joint with conducting strip, head and the tail series connection then constitutes thermoelectric device thus.
According to the thermal technology state of high temperature nuclear reactor residual heat removal system, the low temperature thermoelectric device meets specification requirement.Common low temperature thermoelectric device mostly is plate, and output voltage is different because of model with power, and its conversion efficiency of thermoelectric majority is 3～6%, and useful life is more than 100,000 hours.
The voltage-current characteristic of thermoelectric generator is linear, and along with the increase of load current, voltage reduces by linearity.Therefore, for guaranteeing the operate as normal of Post-Accident Monitoring Instrumentation, need configuration to comprise storage battery, charger and voltage regulating device are at interior power supply automatic regulating system.
Summary of the invention
The purpose of this invention is to provide a kind of long-life, high reliability, non-active, noiseless, the non-maintaining thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply.
The invention is characterized in, contain at least one the thermoelectric generator unit module that is close to high temperature gas cooled reactor water-cooling wall (4) inner surface, this thermoelectric generator unit module contains thermoelectric power generation device (14), the cold junction of this thermoelectric power generation device (14) is close on the described water-cooling wall (4) by a cold junction conducting strip (10), its hot junction is towards described pressure vessel (7), on the face of described hot junction, also post a hot junction conducting strip (13) and a heat-absorbent surface (12) successively, the power output end of described thermoelectric power generation device (14) connects a power supply device for automatically regulating (2), and the output of this power supply device for automatically regulating (2) connects treats power supply instrument.
The present invention compares with existing safe level diesel generating set emergency power supply, has the following advantages and the high-lighting effect: (1) in the normal reactor operation operating mode, the coolant loss accident can both provide stable power in the station blackout accident; (2) life-span long, can continuous operation more than 100,000 hours; (3) movement-less part, noiseless, the reliability height need not be safeguarded; (4) can purchase every requirement of satisfying in the nuclear power station nuclear safety system the Post-Accident Monitoring Instrumentation power supply; (5) cost is low, compares very low of its cost with the safe level diesel generating set of costliness.
Description of drawings
Fig. 1 is the layout plan of the outer thermoelectric generator of high temperature air-cooled pile pressure casing;
Fig. 2 is the detailed structure schematic diagram of thermoelectric generator unit module 3 among Fig. 1;
The concrete implication of numeral correspondence is as follows among the figure:
1-is for instrument power output interface, 2-power supply device for automatically regulating, 3-thermoelectric generator unit module, 4-water-cooling wall steel plate, 5-water-cooling wall cooling-water duct, 6-concrete shielding, 7-high temperature nuclear reactor pressure vessel, 8-natural circulation cooling water conveyance conduit, 9-air cooling compressor, 10-cold junction conducting strip, the 11-trip bolt, 12-heat-absorbent surface, 13-hot junction conducting strip, the 14-thermoelectric power generation device, 15-thermoelectric power generation device power supply output lead.
Embodiment
The objective of the invention is to be achieved through the following technical solutions:
Utilize between high temperature nuclear reactor pressure vessel and the water-cooling wall 180 ℃ the temperature difference nearly, adopt thermoelectric power generation device to be combined into the thermo-electric generation unit module that satisfies instrument electricity consumption requirement, according to the power needs, can between pressure vessel and water-cooling wall, add the thermo-electric generation unit module of right quantity.The thermo-electric generation unit module absorbs the heat from reactor vessel, is converted to electric energy output by thermoelectric power generation device, for Post-Accident Monitoring Instrumentation provides stable power.
Below in conjunction with accompanying drawing principle of the present invention, structure are described in further detail.
Among Fig. 1, the temperature of high temperature nuclear reactor pressure vessel outer wall 7 is about 240 ℃ when operation, for the temperature of guaranteeing pressure vessel 7 is no more than safe range, 7 are with a circle by the water-cooled water-cooling wall 4 of natural circulation outside pressure vessel, and pressure vessel 7 carries out heat exchange with water-cooling wall 4 by radiation and convection current.Thermoelectric generator unit module 3 utilizes the temperature difference between pressure vessel 7 and the water-cooling wall 4 to provide power supply for instrument, and concrete structure as shown in Figure 2.Thermoelectric generator unit module cold junction is close to water-cooling wall 4, and is lined with conductive coefficient conducting strip 10 preferably between the water-cooling wall, and as red copper or fine aluminium, size is bigger slightly than thermoelectric power generation device, and thickness is about 5mm; The heat-absorbent surface 12 that the hot junction adopts the heat absorption material to make, heat-absorbent surface 12 is made by materials such as good red copper of conductive coefficient or fine aluminiums, can adopt fin etc. to increase the profile of heat-transfer areas for optimizing heat-transfer effect; Heat-absorbent surface 12 is combined closely by hot junction conducting strip 13 with thermoelectric power generation device 14 hot junctions, hot junction conducting strip 13 adopts the good material of conductive coefficient, as red copper or fine aluminium, size is suitable with the cold junction conducting strip, and heat-absorbent surface can be fixed on thermoelectric generator on the water-cooling wall by screw.Like this, can set up the temperature difference about 120 ℃ nearly at the thermoelectric generator two ends.Thermoelectric generator adopts existing products on the market, and the model that restrains the production of thermoelectric Electronics Co., Ltd. as the Xiamen nanometer is the electric organ of TEP1-12656-0.8, heat can be converted to electric energy.Each thermoelectric generator unit module can provide the electric current of certain power, can determine what of institute's subsides thermoelectric generator according to the watt level of instrument needs, then the mode of these thermoelectric generators with series and parallel connected, make its power output reach pre-provisioning request, insert power supply device for automatically regulating 2 then, the number of power supply device for automatically regulating is determined according to the requirement of output.The power supply device for automatically regulating can adopt the DC/DC transducer, and what the present invention adopted is that model is the DC/DC transducer of IWS505, and this DC/DC transducer provides the power interface 1 of all kinds of instrument.
Claims (8)
1, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply, it is characterized in that, contain at least one the thermoelectric generator unit module that is close to high temperature gas cooled reactor water-cooling wall (4) inner surface, this thermoelectric generator unit module contains thermoelectric power generation device (14), the cold junction of this thermoelectric power generation device (14) is close on the described water-cooling wall (4) by a cold junction conducting strip (10), its hot junction is towards described pressure vessel (7), on the face of described hot junction, also post a hot junction conducting strip (13) and a heat-absorbent surface (12) successively, the power output end of described thermoelectric power generation device (14) connects a power supply device for automatically regulating (2), and the output of this power supply device for automatically regulating (2) connects treats power supply instrument.
2, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, described thermoelectric power generation device (14) is a TEP1-12656-0.8 type electric organ.
3, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, described cold junction conducting strip (10) material adopts red copper or fine aluminium.
4, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, described hot junction conducting strip (13) material adopts red copper or fine aluminium.
5, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, described heat-absorbent surface (12) material adopts red copper or fine aluminium.
6, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, described heat-absorbent surface (12) is a fin shape.
7, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 1 is characterized in that, power supply device for automatically regulating (2) adopts the DC/DC transducer.
8, the thermoelectric generator that is used for high temperature gas cooled reactor Post-Accident Monitoring Instrumentation power supply as claimed in claim 7 is characterized in that, the model of described DC/DC transducer is IWS505.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510011353 CN1667935A (en) | 2005-02-25 | 2005-02-25 | Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510011353 CN1667935A (en) | 2005-02-25 | 2005-02-25 | Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1667935A true CN1667935A (en) | 2005-09-14 |
Family
ID=35038863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510011353 Pending CN1667935A (en) | 2005-02-25 | 2005-02-25 | Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1667935A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969938A (en) * | 2012-10-29 | 2013-03-13 | 华北电力大学 | Nuclear power station signal injection system using temperature difference for sensing |
| CN103174872A (en) * | 2013-03-20 | 2013-06-26 | 华北电力大学 | Passive valve system driven by temperature difference |
| CN104052333A (en) * | 2014-05-27 | 2014-09-17 | 中国核电工程有限公司 | System for generating power through decay heat of reactor core melting objects |
| US9157765B2 (en) | 2010-12-01 | 2015-10-13 | Industrial Technology Research Institute | Self-powered power consumption detecting device and power consumption detecting method thereof |
| CN105292413A (en) * | 2015-10-13 | 2016-02-03 | 杜善骥 | Mute nuclear submarine |
| CN105329428A (en) * | 2015-11-12 | 2016-02-17 | 杜善骥 | Injection machine and steam jet pump boosting mute nuclear-powered submarine |
| CN109412248A (en) * | 2018-12-21 | 2019-03-01 | 上海东润换热设备制造有限公司 | Power supply unit for cooler of electric motor instrument |
| CN110310751A (en) * | 2019-06-29 | 2019-10-08 | 西安交通大学 | A kind of nuclear reactor power supply of the two-way insertion reactor core of heat pipe |
| CN111323688A (en) * | 2020-03-02 | 2020-06-23 | 长沙军民先进技术研究有限公司 | TEG performance test platform and test method thereof |
| CN111710446A (en) * | 2020-06-23 | 2020-09-25 | 中国核动力研究设计院 | System for discharging reactor core waste heat and thermoelectric heat exchanger for discharging reactor core waste heat |
-
2005
- 2005-02-25 CN CN 200510011353 patent/CN1667935A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9157765B2 (en) | 2010-12-01 | 2015-10-13 | Industrial Technology Research Institute | Self-powered power consumption detecting device and power consumption detecting method thereof |
| CN102969938A (en) * | 2012-10-29 | 2013-03-13 | 华北电力大学 | Nuclear power station signal injection system using temperature difference for sensing |
| CN102969938B (en) * | 2012-10-29 | 2015-10-14 | 华北电力大学 | A kind of nuclear power station signal injection system utilizing temperature difference sensing |
| CN103174872A (en) * | 2013-03-20 | 2013-06-26 | 华北电力大学 | Passive valve system driven by temperature difference |
| CN104052333A (en) * | 2014-05-27 | 2014-09-17 | 中国核电工程有限公司 | System for generating power through decay heat of reactor core melting objects |
| CN105292413A (en) * | 2015-10-13 | 2016-02-03 | 杜善骥 | Mute nuclear submarine |
| CN105329428A (en) * | 2015-11-12 | 2016-02-17 | 杜善骥 | Injection machine and steam jet pump boosting mute nuclear-powered submarine |
| CN109412248A (en) * | 2018-12-21 | 2019-03-01 | 上海东润换热设备制造有限公司 | Power supply unit for cooler of electric motor instrument |
| CN110310751A (en) * | 2019-06-29 | 2019-10-08 | 西安交通大学 | A kind of nuclear reactor power supply of the two-way insertion reactor core of heat pipe |
| CN111323688A (en) * | 2020-03-02 | 2020-06-23 | 长沙军民先进技术研究有限公司 | TEG performance test platform and test method thereof |
| CN111710446A (en) * | 2020-06-23 | 2020-09-25 | 中国核动力研究设计院 | System for discharging reactor core waste heat and thermoelectric heat exchanger for discharging reactor core waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1667935A (en) | Thermoelectric generator for monitoring instrument power supply after high temperature gas cooled reactor accident | |
| Xu et al. | Energy conversion performance of a PV/T-PCM system under different thermal regulation strategies | |
| CN101183808B (en) | Stator structure of inner cooling type self-circulation vaporization cooling wind power generator | |
| EP2306119A2 (en) | Geothermal heating and cooling management system | |
| CN102739115A (en) | Power generating system utilizing internal and external environmental temperature difference of building | |
| Zhou et al. | Seasonal performance comparison analysis of the roll-bond photovoltaic thermal heat pump system in a multi-energy generation: An experimental study | |
| CN203105035U (en) | Semiconductor heat radiation device applied to photovoltaic controller | |
| CN101106344A (en) | A temperature difference power generation device | |
| EP4322284A1 (en) | Energy storage module, energy storage apparatus, and power generation system | |
| CN2857319Y (en) | Generator with whole fins hydrogen cooler | |
| CN205160410U (en) | Water -cooled semiconductor thermal power generation module | |
| CN201142651Y (en) | Temperature difference power generation device | |
| CN211851944U (en) | Power generation system for recovering waste heat of electrolytic cell | |
| CN207398847U (en) | A kind of battery discharging instrument | |
| US20240136954A1 (en) | Cogeneration apparatus, thermoelectric power generation system, voltage control method and heating device | |
| CN215370125U (en) | Liquid phase medium cooling equipment | |
| CN217182258U (en) | Intelligent temperature controller for power battery pack of electric automobile | |
| CN219677006U (en) | High-power self-cooling high-frequency transformer for electric dust removal | |
| CN103174872A (en) | Passive valve system driven by temperature difference | |
| CN213817597U (en) | Photovoltaic inverter with stable performance | |
| CN204117037U (en) | The available hard disk of a kind of waste heat | |
| Huang et al. | A High-efficiency air-cooling and waste heat utilization system for 100Mvar STATCOM | |
| CN214545160U (en) | Data acquisition box for photovoltaic power plant | |
| CN110416573B (en) | Intercooler module, fuel cell intercooler system and working method of fuel cell intercooler system | |
| JP2001257387A (en) | Thermal generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |