CN108443850A - Waste heat collection and utilization system for underground neutron energy power station - Google Patents
Waste heat collection and utilization system for underground neutron energy power station Download PDFInfo
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- CN108443850A CN108443850A CN201810270228.0A CN201810270228A CN108443850A CN 108443850 A CN108443850 A CN 108443850A CN 201810270228 A CN201810270228 A CN 201810270228A CN 108443850 A CN108443850 A CN 108443850A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/02—Biological shielding ; Neutron or gamma shielding
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/10—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from reflector or thermal shield
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/12—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from pressure vessel; from containment vessel
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D9/00—Arrangements to provide heat for purposes other than conversion into power, e.g. for heating buildings
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F7/00—Shielded cells or rooms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/023—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers with heating tubes, for nuclear reactors as far as they are not classified, according to a specified heating fluid, in another group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/06—Heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0054—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for nuclear applications
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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
-
- 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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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Sciences (AREA)
- Plasma & Fusion (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
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- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention provides a kind of waste heat collection and utilization system for underground neutron energy power station, is used to acquire the waste heat during the underground neutron energy power station operation, and the waste heat collection and utilization system includes：Main electricity generation system waste heat acquisition utilizes circuit, there is the First Heat Exchanger being connected with the electricity generation system in the underground neutron energy power station, the First Heat Exchanger to be connected with the first hot trap, the electricity generation system is connected with the energy production system in the underground neutron energy power station；The acquisition of shielding construction waste heat utilizes circuit, and there is heat exchanger tube, the second heat exchanger and the second hot trap being sequentially connected, the heat exchanger tube to be arranged in the peripheral side of the energy production system.The present invention can solve the acquisition Utilizing question of waste heat during the operation of underground neutron energy power station, improve energy use efficiency, promote the safe operation of nuclear facilities.
Description
Technical field
The present invention relates to underground energy and technical field of nuclear power more particularly to a kind of waste heats for underground neutron energy power station
Collection and utilization system.
Background technology
The energy production system in underground neutron energy power station is using fast neutron bombardment uranium ore (uranium 238) and then releases a large amount of
Energy, using lead or lead bismuth alloy, as coolant, the miniaturization of energy production system may be implemented in energy production system.
During normal operation, there will be a large amount of waste heats around energy production system, while the steam Jing Guo electricity generation system also will tool
There is higher energy, according to initial estimate, 30% that energy production system releases energy is converted to electricity by underground neutron energy power station
Can, and remaining 70% energy will exist in the form of waste heat.How to export and make good use of the remaining of underground neutron energy power station 70%
Heat utilizes the high efficiency of energy in underground neutron energy power station and safe operation is of great significance.
Invention content
The object of the present invention is to provide a kind of waste heat collection and utilization systems for underground neutron energy power station, solve in underground
The waste heat acquisition Utilizing question that the operation of sub- energy power station generates in the process promotes the peace of nuclear facilities to improve energy use efficiency
Row for the national games.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：
The present invention provides a kind of waste heat collection and utilization system for underground neutron energy power station, is used to acquire the underground
Waste heat during the operation of neutron energy power station, the waste heat collection and utilization system include：
Main electricity generation system waste heat acquisition utilizes circuit, with what is be connected with the electricity generation system in the underground neutron energy power station
First Heat Exchanger, the First Heat Exchanger are connected with the first hot trap, the energy of the electricity generation system and the underground neutron energy power station
Generation system is measured to be connected；
The acquisition of shielding construction waste heat utilizes circuit, has heat exchanger tube, the second heat exchanger and the second hot trap being sequentially connected,
The heat exchanger tube is arranged in the peripheral side of the energy production system.
In embodiments of the present invention, the waste heat collection and utilization system further includes：Residual heat of nuclear core acquisition utilizes circuit,
There is cooling water tank, third heat exchanger and the third hot trap being sequentially connected, the cooling water tank to be arranged in the energy production for it
The lower part of system.
In embodiments of the present invention, the energy production system is placed on anti-nuclein migration barriers located underground
Interior, there is the anti-nuclein migration barriers accommodating chamber, the electricity generation system to have steam generator, the steam turbine being sequentially connected
And generator, the steam generator are connected with the energy production system, are located at the top of the accommodating chamber.
In embodiments of the present invention, the heat exchanger tube includes the circumferential heat exchanger tube being connected and vertical heat exchanger tube, institute
All side-walls that vertical heat exchanger tube is located at the accommodating chamber are stated, the circumferential direction heat exchanger tube is embedded in the anti-nuclein migration barriers
In.
In embodiments of the present invention, the vertical heat exchanger tube has the vertical water inlet pipe being connected and vertical water outlet
Pipe, the circumferential direction heat exchanger tube have circumferential water inlet pipe and circumferential outlet pipe, the circumferential direction water inlet pipe and the vertical water inlet pipe phase
Even, the circumferential direction outlet pipe is connected with the vertical outlet pipe.
In embodiments of the present invention, the vertical outlet pipe is arranged close to the anti-nuclein migration barriers, described
Vertical water inlet pipe is arranged close to the energy production system.
In embodiments of the present invention, pass through the first pipeline phase between the cooling water tank and the third heat exchanger
Even, it is connected by the second pipeline between the third heat exchanger and the third hot trap, first pipeline is equipped with for controlling
The first circulation of circulating water velocity processed pumps.
In embodiments of the present invention, it is connected by third pipeline between the heat exchanger tube and second heat exchanger,
It is connected by the 4th pipeline between second heat exchanger and second hot trap, the third pipeline is equipped with to follow for controlling
The second circulation of ring water speed pumps.
In embodiments of the present invention, it is connected by the 5th pipeline between the steam generator and the steam turbine,
The First Heat Exchanger is connected on the 5th pipeline, passes through the 6th pipe between the First Heat Exchanger and first hot trap
Road is connected.
In embodiments of the present invention, first hot trap, second hot trap and the third hot trap are separately connected
There is external heating system.
The characteristics of waste heat collection and utilization system for underground neutron energy power station of the present invention and advantage are：The waste heat acquires
It can effectively be acquired using system and using the waste heat in the entire energy generation process in underground neutron energy power station, be made to improve the energy
With efficiency, promotes the residual heat of nuclear core of energy production system to be discharged, prevented hot melt heap, it is ensured that the safety of energy production system.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of the waste heat collection and utilization system for underground neutron energy power station of the present invention.
Fig. 2 is the structural schematic diagram of the heat exchanger tube of the present invention.
Drawing reference numeral explanation：1, main electricity generation system waste heat acquisition utilizes circuit；11, First Heat Exchanger；12, the 6th pipeline；
121, water inlet pipe；122, outlet pipe；2, shielding construction waste heat acquisition utilizes circuit；21, heat exchanger tube；211, circumferential heat exchanger tube；
2111, circumferential water inlet pipe；2112, circumferential outlet pipe；212, vertical heat exchanger tube；2121, vertical water inlet pipe；2122, vertical water outlet
Pipe；22, the second heat exchanger；23, third pipeline；231, water inlet pipe；232, outlet pipe；233, second circulation pumps；24, the 4th pipe
Road；241, outlet pipe；242, water inlet pipe；3, residual heat of nuclear core acquisition utilizes circuit；31, cooling water tank；32, third heat exchanger；33、
First pipeline；331, water inlet pipe；332, outlet pipe；333, first circulation pumps；34, the second pipeline；341, water inlet pipe；342, it is discharged
Pipe；4, hot trap；41, circuit；5, energy production system；51, reactor core；6, anti-nuclein migration barriers；61, accommodating chamber；7, it generates electricity
System；71, steam generator；72, steam turbine；73, generator；74, the 5th pipeline；741, outlet pipe；742, water inlet pipe；8, it supplies
Hot systems.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of waste heat collection and utilization system for underground neutron energy power station, it is used to adopt
Collect the waste heat during the underground neutron energy power station operation, the waste heat collection and utilization system includes：
Main electricity generation system waste heat acquisition utilizes circuit 1, has and is connected with the electricity generation system 7 in the underground neutron energy power station
First Heat Exchanger 11, the First Heat Exchanger 11 is connected with the first hot trap, and the electricity generation system 7 can electricity with the underground neutron
The energy production system 5 stood is connected；
The acquisition of shielding construction waste heat utilizes circuit 2, has heat exchanger tube 21, the second heat exchanger 22 and second being sequentially connected
Hot trap, the heat exchanger tube 21 are arranged in the peripheral side of the energy production system 5.
According to the operation state in underground neutron energy power station, there can be a large amount of waste heat around energy production system 5, simultaneously
Steam by electricity generation system 7 will also have higher energy, waste heat collection and utilization system of the invention to pass through main electricity generation system
Waste heat acquisition acquires the waste heat that electricity generation system 7 generates using circuit 1, and is acquired using circuit 2 by the acquisition of shielding construction waste heat
The waste heat that energy production system 5 generates, to which the energy in underground neutron energy power station efficiently be utilized, and to underground neutron energy power station
Safe operation provide safeguard.
Further, which further includes that residual heat of nuclear core acquisition utilizes circuit 3, has and is sequentially connected
Cooling water tank 31, third heat exchanger 32 and third hot trap, which is arranged in the lower part of energy production system 5.It should
Residual heat of nuclear core acquisition can also be used for the waste heat of the generation of collecting energy generation system 5 using circuit 3.
It follows that the operation state according to underground neutron energy power station, in a feasible embodiment, waste heat acquisition profit
The main electricity generation system waste heat acquisition of unlatching may be selected with system and utilize circuit 2 using circuit 1 and the acquisition of shielding construction waste heat, to adopt
Collect the waste heat during the operation of underground neutron energy power station；In another feasible embodiment, the waste heat collection and utilization system is optional
The acquisition of unlatching residual heat of nuclear core is selected to acquire and utilize using circuit 2 and main electricity generation system waste heat using circuit 3, the acquisition of shielding construction waste heat
Circuit 1, locality to descend the waste heat during the operation of neutron energy power station more fully hereinafter.
The three waste heats acquisition for being used for the waste heat collection and utilization system in underground neutron energy power station utilizes circuit, that is, heap
The acquisition of core waste heat utilizes circuit 1, phase using circuit 3, the acquisition of shielding construction waste heat using circuit 2 and the acquisition of main electricity generation system waste heat
It mutual independence and does not interfere with each other, the waste heat for increasing the present invention acquires the efficiency utilized.
The energy production system 5 in underground neutron energy power station is the core in underground neutron energy power station, is the specific of energy production
Unit, the reactor core 51 of the energy production system 5 are the main places of fuel reaction, will generate higher energy, the energy production
System 5 is placed in anti-nuclein migration barriers 6 located underground, which has accommodating chamber 61, the energy
Amount generation system 5 is located in accommodating chamber 61.Electricity generation system 7 has the steam generator 71 being sequentially connected, steam turbine 72 and power generation
Machine 73, the steam generator 71 are connected with energy production system 5, are located at the top of accommodating chamber 61, which is used for will
The energy that energy production system 5 discharges is converted to electric energy.
Three waste heats acquisition that the waste heat collection and utilization system for underground neutron energy power station is detailed below utilizes back
The structure on road：
The main electricity generation system waste heat acquisition mainly acquires the remaining high-temperature steam of electricity generation system 7 using circuit 1, so as to sharp again
With with the First Heat Exchanger 11 being connected with electricity generation system 7, which is connected with the first hot trap.Wherein, it generates electricity
It is connected by the 5th pipeline 74 between the steam generator 71 and steam turbine 72 of system 7, which is connected to the 5th
On pipeline 74, that is, passing through 74 head and the tail phase of the 5th pipeline between the steam generator 71, steam turbine 72 and First Heat Exchanger 11
Even；It is connected by the 6th pipeline 12 between the First Heat Exchanger 11 and the first hot trap.
In the present invention, electricity generation system 7 realizes the connection with energy production system 5, the steam by steam generator 71
Generator 71 is located at the top of accommodating chamber 61, which realizes the heap with energy production system 5 by built-in pipeline
Lead or lead bismuth alloy in core 51 carry out heat exchange, and generate high temperature and high pressure steam, which passes through the 5th first
741 pushing turbine 72 of outlet pipe of pipeline 74 rotates, and then generator 73 is made to produce electricl energy, and realizes the transmission with the external world,
Still there is higher temperature by the steam of steam turbine 72, can realize that the heat with the first hot trap is handed over by First Heat Exchanger 11
It changes, subsequently becomes condensed water, steam generator 71 is flowed back into using the water inlet pipe 742 of the 5th pipeline 74.The one of the present invention
, can be as needed in embodiment, acceleration pump is set on First Heat Exchanger 11 and the 6th pipeline 12 of the first hot trap, to accelerate back
Cycle in road.The high-temperature water in the 6th pipeline 12 after the heating of First Heat Exchanger 11, the water inlet pipe 121 through the 6th pipeline 12
Heat exchange occurs with the first hot trap, energy is gathered in the first hot trap, the later cooling water of heat exchange passes through the 6th pipeline 12
Outlet pipe 122 continue to flow back at First Heat Exchanger 11 and recycled.
Shielding construction waste heat acquisition is gone here and there using the waste heat of 2 main collecting energy generation system 5 of circuit by two circuits
The heat exchange between circuit is realized in connection composition, two circuits by the second heat exchanger 22.Wherein, first circuit by heat exchanger tube 21,
Third pipeline 23 and the second heat exchanger 22 composition, are connected between heat exchanger tube 21 and the second heat exchanger 22 by third pipeline 23, should
Third pipeline 23 is equipped with second circulation and pumps 233, speed of the second circulation pump 233 for controlling recirculated water in first circuit
Degree realizes the control acquired to waste heat；Second circuit is made of the second heat exchanger 22, the 4th pipeline 24 and the second hot trap, should
It is connected by the 4th pipeline 24 between second heat exchanger 22 and the second hot trap.In the present invention, the waste heat of the energy production system 5
It is realized and is acquired by heat exchanger tube 21, and realized through the second heat exchanger 22 by the outlet pipe of third pipeline 23 232 and returned with second
The heat exchange on road, later cooling water heat exchanger tube 21 is flowed back to by the water inlet pipe 231 of third pipeline 23 and is recycled, realize first
The closure in circuit.The high-temperature water in second circuit after the heating of the second heat exchanger 22, the water inlet pipe 242 through the 4th pipeline 24
Heat exchange occurs with the second hot trap, energy is gathered in the second hot trap, the later cooling water of heat exchange passes through the 4th pipeline 24
Outlet pipe 241 continue to flow back at the second heat exchanger 22 and recycled.
In the present embodiment, as shown in Fig. 2, heat exchanger tube 21 includes the circumferential heat exchanger tube 211 being connected and vertical heat exchanger tube
212, which is located at all side-walls of accommodating chamber 61, which is embedded in anti-nuclein migration barrier
In body 6.Specifically, the vertical heat exchanger tube 212 has the vertical water inlet pipe 2121 being connected and vertical outlet pipe 2122, the circumferential direction
Heat exchanger tube 211 has circumferential water inlet pipe 2111 and circumferential outlet pipe 2112, the circumferential direction water inlet pipe 2111 and vertical water inlet pipe 2121
It is connected, which is connected with vertical outlet pipe 2122.Wherein, vertical outlet pipe 2122 is close to anti-nuclein migration screen
Hinder body 6 to be arranged, which is arranged close to energy production system 5.In the present invention, the vertical heat exchanger tube 212 around
The peripheral annular of energy production system 5 is evenly arranged, and can increase the heat exchange area of vertical heat exchanger tube 212 in this way, with maximum journey
The waste heat of energy production system 5 is taken away on degree ground, lead powder concrete of the circumferential direction heat exchanger tube 211 in anti-nuclein migration barriers 6
It is circumferentially arranged in layer, according to heat exchange needs, the circumferential water inlet pipe 2111 of the circumferential direction heat exchanger tube 211 and circumferential outlet pipe 2112 can
It is vertically arranged a ring or polycyclic, is not limited herein.The circumferential water inlet pipe 2111 of the circumferential direction heat exchanger tube 211 and circumferential outlet pipe
2112 are connect by the water inlet pipe 231 of third pipeline 23 and outlet pipe 232 with the second heat exchanger 22 respectively.
Residual heat of nuclear core acquisition utilizes the waste heat of 3 main collecting energy generation system 5 of circuit, by two circuit in series groups
At the heat exchange between circuit is realized in two circuits by third heat exchanger 32.Wherein, first circuit is mainly by being arranged in energy
The cooling water tank 31 of 5 lower part of generation system, the first pipeline 33 and third heat exchanger 32 form, cooling water tank 31 and third heat exchanger
It is connected by the first pipeline 33 between 32, which is equipped with first circulation and pumps 333, and first circulation pump 333 is used for
The speed of recirculated water in first circuit is controlled, realizes the control of the waste heat acquisition to energy production system 5；Second circuit master
It to be made of third heat exchanger 32, the second pipeline 34 and third hot trap, pass through between the third heat exchanger 32 and third hot trap
Two pipelines 34 are connected.In the present invention, cooling water tank 31 is located at 61 lower part of accommodating chamber of anti-nuclein migration barriers 6, this first
Cooling water in a circuit flows through the lower part of energy production system 5 by the water inlet pipe 331 of the first pipeline 33 first, in cooling water
The heat exchange with the reactor core 51 of energy production system 5 is realized at case 31, flows back to the by the outlet pipe 332 of the first pipeline 33 later
Three heat exchangers 32 realize the heat exchange with second circuit, and are flowed back by water inlet pipe 331 after becoming the lower cooling water of temperature
To cooling water tank 31.High-temperature water after the heating of third heat exchanger 32 in second circuit, the water inlet pipe 341 through the second pipeline 34
Heat exchange occurs with third hot trap, energy is gathered in third hot trap, the later cooling water of heat exchange passes through the second pipeline 34
Outlet pipe 342 continue to flow back at third heat exchanger 32 and recycled.Due to the cooling water in cooling water tank 31 itself
First circuit is formed, which does not occur water coke slurry with second circuit where third hot trap, therefore is avoided that
Height puts the outflow of substance, prevents nuclear leakage.In case of emergency, the first circulation pump 333 in first circuit can be started, added
The flow rate of fast cooling water tank 31 and third heat exchanger 32 improves heat exchange efficiency, reinforces the export ability of 51 decay heat of reactor core,
Prevent 51 over hot melting of reactor core.
In the present invention, first hot trap, the second hot trap and third hot trap can be connected separately with external heating system 8.It should
First hot trap, the second hot trap and third hot trap realize the recycling of waste heat by the acquisition of each waste heat using circuit, pass through each time
Road carries out heat exchange with the extraneous heating system 8 for needing thermal energy, and the cooling water after exchange flows back into the first hot trap, the second hot trap
In third hot trap, realization recycles.First hot trap, the second hot trap and third hot trap are potentially for heat target, namely are somebody's turn to do
Heating system 8, it may include municipal administration implementation such as ground heating system, winter heating system or swimming pool of building etc..
The waste heat collection and utilization system for underground neutron energy power station of the present invention uses three waste heat acquisitions and utilizes back
The mode on road realizes acquisition and the recycling of residual heat of nuclear core, barrier structure waste heat and main electricity generation system waste heat respectively, has waste heat
Using wide, the advantages that potential Land use systems are more, it is effectively improved the efficiency of energy utilization in underground neutron energy power station, preferably
Solves the problems, such as the recycling of 70% waste heat.In addition, residual heat of nuclear core acquisition is utilized back using circuit 3 and the acquisition of shielding construction waste heat
Road 2 can effectively export 51 decay heat of 51 waste heat of reactor core and reactor core, prevent the excessively thermogenetic molten heap phenomenon of reactor core 51, be conducive to underground
The safety in neutron energy power station.Waste heat collection and utilization system for underground neutron energy power station carries out in such a way that multiloop is in parallel
Waste heat acquisition, waste heat transmits and UTILIZATION OF VESIDUAL HEAT IN, can effectively evade radioactive element and outwardly be transmitted by the water loop of heat supply.
In one embodiment of the present invention, according to geological conditions and formation conditions, three waste heat acquisitions can be utilized back
Road carries out different space layouts；In addition, three waste heat acquisitions can share a hot trap using circuit, that is, the first hot trap,
Second hot trap and third hot trap are the same hot trap 4, and in this embodiment, hot trap 4 needs thermal energy by circuit 41 and the external world
Heating system 8 carry out heat exchange, which is habitat of three waste heats acquisition using circuit, convenient for building and technology pipe
Reason, reduces whole investment.Alternatively, the first hot trap, the second hot trap and described in above-described embodiment can also be used in the present invention
The form that three hot traps are provided separately, is not limited herein.According to local conditions, the waste heat of acquisition can be used for different use
On the way.
The foregoing is merely several embodiments of the present invention, and those skilled in the art is according to application documents disclosure
Various changes or modifications can be carried out without departing from the spirit and scope of the present invention to the embodiment of the present invention.
Claims (10)
1. a kind of waste heat collection and utilization system for underground neutron energy power station, which is characterized in that it is used to acquire the underground
Waste heat during the operation of neutron energy power station, the waste heat collection and utilization system include：
Main electricity generation system waste heat acquisition utilizes circuit, has first to be connected with the electricity generation system in the underground neutron energy power station
Heat exchanger, the First Heat Exchanger are connected with the first hot trap, the energy volume production of the electricity generation system and the underground neutron energy power station
Raw system is connected；
The acquisition of shielding construction waste heat utilizes circuit, has heat exchanger tube, the second heat exchanger and the second hot trap being sequentially connected, described
Heat exchanger tube is arranged in the peripheral side of the energy production system.
2. being used for the waste heat collection and utilization system in underground neutron energy power station as described in claim 1, which is characterized in that described remaining
Hot collection and utilization system further includes：Residual heat of nuclear core acquisition utilizes circuit, has cooling water tank, the third heat exchanger being sequentially connected
With third hot trap, the cooling water tank is arranged in the lower part of the energy production system.
3. being used for the waste heat collection and utilization system in underground neutron energy power station as described in claim 1, which is characterized in that the energy
Amount generation system is placed in anti-nuclein migration barriers located underground, and the anti-nuclein migration barriers have accommodating chamber,
The electricity generation system has steam generator, steam turbine and the generator being sequentially connected, the steam generator and the energy
Generation system is connected, and is located at the top of the accommodating chamber.
4. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 3, which is characterized in that described to change
Heat pipe includes the circumferential heat exchanger tube being connected and vertical heat exchanger tube, and the vertical heat exchanger tube is located at all side walls of the accommodating chamber
Place, the circumferential direction heat exchanger tube are embedded in the anti-nuclein migration barriers.
5. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 4, which is characterized in that described perpendicular
To heat exchanger tube there is the vertical water inlet pipe being connected and vertical outlet pipe, the circumferential direction heat exchanger tube to have circumferential water inlet pipe and circumferential direction
Outlet pipe, the circumferential direction water inlet pipe are connected with the vertical water inlet pipe, and the circumferential direction outlet pipe is connected with the vertical outlet pipe.
6. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 5, which is characterized in that described perpendicular
To the close anti-nuclein migration barriers setting of outlet pipe, the vertical water inlet pipe is arranged close to the energy production system.
7. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 2, which is characterized in that described cold
But it is connected by the first pipeline between water tank and the third heat exchanger, is led between the third heat exchanger and the third hot trap
It crosses the second pipeline to be connected, first pipeline is equipped with to be pumped for the first circulation of control loop water speed.
8. being used for the waste heat collection and utilization system in underground neutron energy power station as described in claim 1, which is characterized in that described to change
It is connected by third pipeline between heat pipe and second heat exchanger, is passed through between second heat exchanger and second hot trap
4th pipeline is connected, and the third pipeline is equipped with to be pumped for the second circulation of control loop water speed.
9. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 3, which is characterized in that the steaming
It is connected by the 5th pipeline between vapour generator and the steam turbine, the First Heat Exchanger is connected on the 5th pipeline,
It is connected by the 6th pipeline between the First Heat Exchanger and first hot trap.
10. being used for the waste heat collection and utilization system in underground neutron energy power station as claimed in claim 2, which is characterized in that described
First hot trap, second hot trap and the third hot trap are connected separately with external heating system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270228.0A CN108443850A (en) | 2018-03-29 | 2018-03-29 | Waste heat collection and utilization system for underground neutron energy power station |
| PCT/CN2019/079793 WO2019184927A1 (en) | 2018-03-29 | 2019-03-27 | Residual heat collecting and utilizing system for use in underground neutron energy power plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810270228.0A CN108443850A (en) | 2018-03-29 | 2018-03-29 | Waste heat collection and utilization system for underground neutron energy power station |
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| CN108443850A true CN108443850A (en) | 2018-08-24 |
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| CN201810270228.0A Pending CN108443850A (en) | 2018-03-29 | 2018-03-29 | Waste heat collection and utilization system for underground neutron energy power station |
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| WO (1) | WO2019184927A1 (en) |
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| WO2019184927A1 (en) * | 2018-03-29 | 2019-10-03 | 何满潮 | Residual heat collecting and utilizing system for use in underground neutron energy power plant |
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