CN209216595U - Heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion - Google Patents
Heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion Download PDFInfo
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- CN209216595U CN209216595U CN201821459818.XU CN201821459818U CN209216595U CN 209216595 U CN209216595 U CN 209216595U CN 201821459818 U CN201821459818 U CN 201821459818U CN 209216595 U CN209216595 U CN 209216595U
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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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a kind of heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, including heat pipe, the reactor being arranged on the inside of shield, the control being arranged on the outside of shield drum driving mechanism, heat exchanger and safe rod drive mechanism；The heat pipe duct of reactor is protruded into described heat pipe one end, and the other end passes through the shield and is inserted into the heat exchanger；The heat exchanger appearance is provided with thermo-electric generation element；The control drum driving mechanism and safe rod drive mechanism are drivingly connected with the control of reactor drum and safety rod respectively.The beneficial effects of the utility model are as follows: the program sufficiently combines the safety advantages of uranium hydrogen zirconium fuel and the heat pipe type of cooling, guarantees long-term running safety under the conditions of no worker monitor；The abundant simplied system structure of the program improves environmental suitability and disposition flexibility, can meet all kinds of Activities of Ocean well for ten kilowatts and the needs of the following magnitude energy.
Description
Technical field
The utility model belongs to nuclear power field, and in particular to a kind of heat pipe based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Cooled reactor power supply.
Background technique
With increasingly prominent, the remote island garrison, ocean water acoustic monitoring, submarine mine of "Oceanic" strategy status and economic value
It produces the military and civil Activities of Ocean such as exploitation, hydrological environment monitoring and increasingly higher demands is proposed to energy resource system.It is each at present
The energy source device that class Activities of Ocean mainly uses is internal combustion engine and chemical cell, and the two all has certain inherent shortcoming: internal combustion
Machine needs a large amount of fossil fuels of external sustainable supply, and needs consumed cabin air (oxygen) when operation；Chemical cell energy density is not high,
The continuation of the journey service life is short, needs to charge repeatedly, performance degradation is obvious at low ambient temperatures.With mentioning for mission requirements and equipment performance
It rising, internal combustion engine and chemical cell are increasingly difficult to meet the energy demand of Activities of Ocean, or even have constituted main development bottleneck,
There is an urgent need to new energy devices to be replaced.
The new energy device that one kind can be used for Activities of Ocean is radioactive isotope power supply, which can be same by radioactivity
The heat of position element decay release is converted to electric energy and uses for Activities of Ocean.Document " Radioisotope Thermoelectric
Generators of the U.S.Navy " points out that USN has just had been equipped with a series of radioactivity in the 70's of 20th century
Isotope battery, these devices, will using semiconductor temperature differential generating element using radioactive isotope plutonium -238 or Strontium-90 as heat source
Radioisotopic decay heat is converted to electric energy, electromotive power output 10-30W, and design and operation service life 10-15 is mainly used for
The infrasonic monitoring station power supply of system and Arctic is monitored for ocean acoustic positioning system, hydrological environment.Except radioactive isotope
Other than battery, the H.K.McCluer in the U.S. etc. is in document " Radioisotope Fueled Multi-kilowatt Energy
It also proposed a kind of radioisotopic heat source and Rankine cycle in Sources for Underwater Applications "
Generate electricity the underwater power source system schema combined, and it is same which can be used a variety of radioactivity such as plutonium -238, Strontium-90 or cobalt -60
Position element, the heat of radioactive decay are exported by water loop, are transferred to Dowtherm A Rankine cycle circuit through heat exchanger and are realized hair
Electricity；System electromotive power output is up to 5-10kW, and the design and operation service life 15 years or more.
The another kind of new energy device that can be used for Activities of Ocean is circuit cooled nuclear reactor power supply, which can incite somebody to action
The energy of nuclear reactor fuel fission release is converted to electric energy and uses for Activities of Ocean.The A. Otsubo of Japan is in document
It is proposed in " Deep-sea Fast Reactors Demanded for Oceanography " a kind of cold based on liquid metal
But the deep-sea nuclear reactor power system approach DSFR of fast neutron reactor and Brayton cycle power generation, fast reactor splits in the system
Heating is exported by sodium-potassium circuit or lead-bismuth circuit, and it is real to be transferred to helium-xenon mixed gas Brayton cycle circuit through heat exchanger
Now generate electricity；The program takes Seriation Design, is divided into 40kW grades, 200kW grades and three sons of 500kW grade by electromotive power output height
Model, the design and operation service life is up to 15-20 or more.
There are still certain shortcomings for both the above new energy device: the manufacture of radioactive isotope power supply is by plutonium-
238, the serious restriction of a few radioactive isotope yield such as Strontium-90, use cost are high, it is difficult to which large-scale promotion is answered
With；The nuclear reactor power-supply system of circuit cooled is complicated, needs the active cooling of main pump, can not fundamentally prevent loss-of-flow accident
(LOFA) and coolant loss accident (LOCA) ad hoc safety device safeguards system safety, is needed.
In view of this, special propose the utility model.
Utility model content
In view of the deficiencies in the prior art, the purpose of the utility model is to provide a kind of based on uranium hydrogen zirconium fuel and quiet
The heat-pipe cooling type reactor power supply of state heat to electricity conversion can satisfy ten kilowatts and following magnitude energy demand.
The technical solution of the utility model is as follows:
A kind of heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, including heat pipe, setting
Reactor on the inside of shield, the control being arranged on the outside of shield drum driving mechanism, heat exchanger and safe rod drive mechanism；
The heat pipe duct of reactor is protruded into described heat pipe one end, and the other end passes through the shield and is inserted into the heat exchanger；The heat exchange
Device appearance is provided with thermo-electric generation element；Control drum driving mechanism and safe rod drive mechanism respectively with the reactor
Control is bulging and safety rod is drivingly connected.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
Stating heat exchanger includes upper heat exchanger and lower heat exchanger.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
State the radial reflector that reactor includes active region matrix He is set on the outside of the active region matrix；The active region matrix is set
It is equipped with fuel element, heat pipe duct and safety rod duct；The radial reflector is provided with control drum.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, often
Fuel element described in root is adjacent at least two heat pipe ducts.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
It states fuel element and the heat pipe duct is arranged according to triangular lattice.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
Stating thermo-electric generation element is skutterudite compound.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
Stating radial reflector material is beryllium oxide.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
The material for stating active region matrix is graphite.
Further, the above-mentioned heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, institute
Stating heat pipe is liquid metal heat pipe.
The beneficial effects of the utility model are as follows:
The program uses the reactive extremely strong uranium hydrogen zirconia material of negative temperature effect as fuel, using the liquid of passive heat transfer
State metal heat pipe exports reactor core heat, sufficiently combines the safety advantages of uranium hydrogen zirconium fuel and the heat pipe type of cooling, Ke Yibao
Demonstrate,prove long-term running safety under the conditions of no worker monitor；Efficiently thermo-electric generation element is real using skutterudite compound etc. for the program
Existing static state heat to electricity conversion, abundant simplied system structure improve environmental suitability and disposition flexibility, can meet well all kinds of
Activities of Ocean is for ten kilowatts and the demand of the following magnitude energy.
Detailed description of the invention
Fig. 1 is a kind of heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion of the utility model
Structural schematic diagram.
Fig. 2 is the structural schematic diagram of the reactor of the utility model.
Fig. 3 is the cross section structure schematic diagram of the reactor of the utility model.
In above-mentioned attached drawing, 1, safety rod；2, heat pipe duct；3, fuel element；4, safety rod duct；5, active region matrix；
6, control drum；7, radial reflector；8, reactor；9, shield；10, drum driving mechanism is controlled；11, heat pipe；12, lower heat exchange
Device；13, thermo-electric generation element；14, upper heat exchanger；15, safe rod drive mechanism；16, control drum drum body；17, control drum absorbs
Body.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model provides a kind of heat pipe cooling based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Formula nuclear reactor power-supply system including heat pipe 11, the reactor 8 being arranged on the inside of shield 9, is arranged on the outside of shield
Control drum driving mechanism 10, heat exchanger and safe rod drive mechanism 15；The heat pipe duct 2 of reactor 8 is protruded into described heat pipe one end,
The other end passes through the shield 9 and is inserted into the heat exchanger；The heat exchanger appearance is provided with thermo-electric generation element 13；The control
Drum driving mechanism 10 and safe rod drive mechanism 15 is made to be drivingly connected with the control drum 6 of the reactor 8 and safety rod 1 respectively.
In the present embodiment, the structure of the control drum 6 includes control drum drum body 16 and controls drum absorber 17.The heat exchanger includes
Upper heat exchanger 14 and lower heat exchanger 12.The thermo-electric generation element 13 is skutterudite compound.The heat pipe 11 is liquid metal
Heat pipe.Heat pipe 11 passes through and is inserted into lower heat exchanger 12 and upper after shield 9 (shield 9 be upper end shield) in the present embodiment
Heat exchanger 14, the two outer surface stick the efficiently thermo-electric generation element 13 such as skutterudite compound, i.e. reactor core derived from heat pipe 11 is split
Heating is transferred to thermo-electric generation element 13 by lower heat exchanger 12 and upper heat exchanger 14 and realizes heat to electricity conversion, and final waste heat can pass through
Seawater convection current (submerged applications) or cross-ventilation (land application) discharge.The nuclear radiation in the radial direction of reactor 8 can pass through by
Reactor 8 is deployed in the mode in melt pit and realizes shielding using soil, it is also contemplated that arrangement screen similar with upper end shield
Cover body.It controls drum driving mechanism 10 and safe rod drive mechanism 15 is arranged in 9 outside of shield, avoid the core spoke of reactor 8
It penetrates to run it and impact.
When work, the fission of 3 inner nuclear material of fuel element generates thermal energy and enters heat by the solid thermal conduction of active region matrix 5
Pipe 11 makes liquid refrigerant in heat pipe 11 be evaporated to gaseous state.Gaseous working medium is upward under the action of tube core capillary head in heat pipe 11
Movement, the heat pipe insulation section corresponding to the upper end shield 9 reach heat pipe corresponding to lower heat exchanger 12 and upper heat exchanger 14
Condensation segment, and it is condensed into liquid here, while transferring heat to lower heat exchanger 12 and upper heat exchanger 14.Lower 12 He of heat exchanger
Upper heat exchanger 14 transfers heat to the thermo-electric generation member sticked on its outer surface by itself heat transfer and transmission of heat by contact again
Part 13, to realize heat to electricity conversion.Since system entirety thermal power level is lower, the waste heat of heat to electricity conversion can directly lead to
Air or the discharge of seawater Natural Circulation are crossed, to realize the passive heat transfer of total system and hot driving, significantly simplifies system structure.
The utility model can adopt higher power energy requirement mainly for ten kilowatts and following magnitude energy requirement
It takes modular mode while disposing multimachine power supply, suitable distance should be kept by taking between each single machine when such mode, to avoid mutual
Mutually influence heat dissipation.
As shown in Figures 2 and 3, the reactor 8 includes active region matrix 5 and is set on the outside of the active region matrix 5
Radial reflector 7；The active region matrix 5 is provided with fuel element 3, heat pipe duct 2 and safety rod duct 4；The radial direction
Reflecting layer 7 is provided with control drum 6.Liquid metal (mercury, sodium or potassium) heat pipe is inserted into the heat pipe duct 2, in fuel element 3
Fuel material is uranium hydrogen zirconium.The fuel element 3 and the heat pipe duct 2 are arranged according to triangular lattice, the every fuel
Element 3 is adjacent at least two heat pipe ducts 2.When a heat pipe 11 fails wherein in this way, the fission of the fuel element 3
Heat can still be drawn off by another heat pipe 11.The radial reflector material is beryllium oxide.The reactivity of the reactor 8 is by active region
6 co- controlling of control drum in the safety rod 1 and radial reflector 7 in center, the two control mechanism is independent, control is worth redundancy,
Individually investment any of them control means can all make 8 shutdown of reactor；Safety rod 1 is mainly for the manufacture of transit link and tightly
Reach reactor 8 under anxious accident conditions and keep the subcritical level of safe enough, control drum 6 is mainly used for running power tune
Section and normal start and stop heap.Phase in Core Design burnup longevity meets Operation at full power requirement in 8~10 years or more enough.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, belonging to the utility model claims to these modifications and variations of the present invention
And its within the scope of equivalent technology, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion, it is characterised in that: including
Heat pipe (11), the reactor (8) being arranged on the inside of shield (9), the control being arranged on the outside of shield (9) drum driving mechanism
(10), heat exchanger and safe rod drive mechanism (15)；The heat pipe duct (2) of reactor (8) is protruded into described heat pipe (11) one end, separately
One end passes through the shield (9) and is inserted into the heat exchanger；The heat exchanger appearance is provided with thermo-electric generation element (13)；It is described
It controls drum driving mechanism (10) and safe rod drive mechanism (15) and rouses (6) and safety rod with the control of the reactor (8) respectively
It is drivingly connected.
2. the heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion as described in claim 1,
Be characterized in that: the heat exchanger includes upper heat exchanger (14) and lower heat exchanger (12).
3. the heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion as described in claim 1,
Be characterized in that: the reactor (8) includes active region matrix (5) and is set to radial anti-on the outside of the active region matrix (5)
Penetrate layer (7)；The active region matrix (5) is provided with fuel element (3), heat pipe duct (2) and safety rod duct (4)；The diameter
Reflecting layer (7) are provided with control drum (6).
4. the heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion as claimed in claim 3,
Be characterized in that: the every fuel element (3) is adjacent at least two heat pipe ducts (2).
5. the heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion as claimed in claim 4,
Be characterized in that: the fuel element (3) and the heat pipe duct (2) are arranged according to triangular lattice.
6. the heat-pipe cooling type reactor electricity a method as claimed in any one of claims 1 to 5 based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Source, it is characterised in that: the thermo-electric generation element (13) is skutterudite compound.
7. such as the heat-pipe cooling type reactor electricity as claimed in claim 3 to 5 based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Source, it is characterised in that: radial reflector (7) material is beryllium oxide.
8. such as the heat-pipe cooling type reactor electricity as claimed in claim 3 to 5 based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Source, it is characterised in that: the material of the active region matrix (5) is graphite.
9. the heat-pipe cooling type reactor electricity a method as claimed in any one of claims 1 to 5 based on uranium hydrogen zirconium fuel and static heat to electricity conversion
Source, it is characterised in that: the heat pipe (11) is liquid metal heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459818.XU CN209216595U (en) | 2018-09-06 | 2018-09-06 | Heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459818.XU CN209216595U (en) | 2018-09-06 | 2018-09-06 | Heat-pipe cooling type reactor power supply based on uranium hydrogen zirconium fuel and static heat to electricity conversion |
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| CN209216595U true CN209216595U (en) | 2019-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767332A (en) * | 2019-10-14 | 2020-02-07 | 哈尔滨工程大学 | Passive residual heat removal system for high-temperature heat pipe reactor |
| CN111478624A (en) * | 2020-04-09 | 2020-07-31 | 中国科学院上海应用物理研究所 | Hot end seat, thermoelectric power generation system, liquid reactor and operation method and application thereof |
-
2018
- 2018-09-06 CN CN201821459818.XU patent/CN209216595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767332A (en) * | 2019-10-14 | 2020-02-07 | 哈尔滨工程大学 | Passive residual heat removal system for high-temperature heat pipe reactor |
| CN110767332B (en) * | 2019-10-14 | 2022-07-15 | 哈尔滨工程大学 | Passive residual heat removal system for high-temperature heat pipe reactor |
| CN111478624A (en) * | 2020-04-09 | 2020-07-31 | 中国科学院上海应用物理研究所 | Hot end seat, thermoelectric power generation system, liquid reactor and operation method and application thereof |
| CN111478624B (en) * | 2020-04-09 | 2021-07-16 | 中国科学院上海应用物理研究所 | Hot end seat, thermoelectric power generation system, liquid reactor and operation method and application thereof |
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