CN107016913A - The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent - Google Patents
The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent Download PDFInfo
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- CN107016913A CN107016913A CN201710400490.8A CN201710400490A CN107016913A CN 107016913 A CN107016913 A CN 107016913A CN 201710400490 A CN201710400490 A CN 201710400490A CN 107016913 A CN107016913 A CN 107016913A
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- 239000002826 coolant Substances 0.000 title claims abstract description 64
- 239000000446 fuel Substances 0.000 title claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000010304 firing Methods 0.000 claims description 11
- 238000002474 experimental method Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000008376 long-term health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/20—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for atomic physics or neucleonics
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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The present invention relates to the experimental system that molten fuel pond fuel during a kind of sodium-cooled fast reactor major accident and cooling agent interact, including reaction generation container, coolant container, drive module, heating module, data acquisition module and control terminal；Wherein heating module is used to heat reaction generation container；Coolant container is arranged on above reaction generation container, and the drive end of coolant container and drive module is connected, and drive module is used to be delivered to coolant container downwards in reaction generation container；The data acquisition module is arranged in reaction generation container；Heating module, drive module, data acquisition module are electrically connected with control terminal.
Description
Technical field
The present invention relates to the 4th generation of technology such as nuclear energy system sodium-cooled fast reactor field, more particularly, to a kind of serious thing of sodium-cooled fast reactor
Therefore when molten fuel pond fuel and cooling agent local interaction experimental system.
Background technology
Relative to first three for nuclear power technology, Generation Ⅳ have security more preferably, economy is higher, nuclear waste production
The advantages of life is measured less and can effectively prevented nuclear proliferation.Sodium-cooled fast reactor is used as the preferred heap in Generation Ⅳ in the world
Type, represents the development trend and frontline technology of Advanced Nuclear Energy Systems.Therefore, occurs reactor core disassembly major accident to sodium-cooled fast reactor
Mechanism studied, for mitigate and slow down major accident consequence so that ensure the heap-type long-term health development have it is important
Meaning.Previously research shows in the world, when core disassembly accident occurs for sodium-cooled fast reactor, under the conditions of extreme pessimism, with
The development of accident, will likely form large-scale molten fuel pond in core region, under the local interaction of fuel and cooling agent,
Fuel distribution will become more crypto set, so as to trigger again critical danger.Molten fuel when therefore, to sodium-cooled fast reactor major accident
Pond fuel and the mechanism of cooling agent local interaction are studied the safety evaluatio and heap for improving sodium-cooled fast reactor
The design of interior key safety facility has great importance.
The content of the invention
The invention provides molten fuel pond fuel during a kind of sodium-cooled fast reactor major accident and cooling agent Local Phase interaction
Experimental system.
To realize above goal of the invention, the technical scheme of use is：
The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent, including reaction generation container,
Coolant container, drive module, heating module, data acquisition module and control terminal；Wherein heating module is used to send out reaction
Raw container is heated；Coolant container is arranged on above reaction generation container, the drive end of coolant container and drive module
Connection, drive module is used to be delivered to coolant container downwards in reaction generation container；The data acquisition module is arranged on
React in generation container；Heating module, drive module, data acquisition module are electrically connected with control terminal.
The course of work of experimental system is as follows：The low-melting alloy of certain content is filled in reaction generation container, control is eventually
End control heating module makes after it heats to reaction generation container, and the low-melting alloy of fusing simulates fast reactor major accident mistake
Molten fuel in journey；Now control terminal is by controlling the work of drive module so as to which coolant container is defeated downwards
Deliver in reaction generation container, the water for simulating cooling agent is filled in coolant container, sent out when coolant container enters reaction
After its water filled is contacted with the low-melting alloy melted after raw container, that is, start to fuel and cooling agent local interaction
Simulation, now installed in reaction generation container in data collecting module collected reaction generation container in environmental data and by its
Transmit to control terminal, studied for technical staff.
Compared with prior art, the beneficial effects of the invention are as follows：
The experimental system that the present invention is provided is adopted by reacting generation container, coolant container, drive module, heating module, data
Collect module, control terminal, low-melting alloy, water etc. and realize molten fuel pond fuel and cooling during to sodium-cooled fast reactor major accident
The simulation of agent local interaction, is easy to technical staff to study related mechanism, the safety for improving sodium-cooled fast reactor
The design of key safety facility has great importance in property evaluation and heap.
Brief description of the drawings
Fig. 1 is the structural representation of system.
Fig. 2 is the electrical block diagram of system.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, 2, the reality that a kind of sodium-cooled fast reactor molten fuel pond fuel that the present invention is provided interacts with cooling agent
Check system, including reaction generation container 1, coolant container 2, drive module, heating module 3, data acquisition module and control are eventually
End 4；Wherein heating module 3 is used to heat reaction generation container 1；Coolant container 2 is arranged on reaction generation container 1
Side, coolant container 2 is connected with the drive end of drive module, and drive module is used to coolant container 2 being delivered to reaction downwards
In generation container 1；The data acquisition module is arranged in reaction generation container 1；Heating module 3, drive module, data acquisition
Module is electrically connected with control terminal 4.
In the present embodiment, the control terminal 4 is computer.
The course of work of experimental system is as follows：The low-melting alloy of certain content is filled in reaction generation container 1, control is eventually
End 4 controls heating modules 3 to make after it heats to reaction generation container 1, and the low-melting alloy of fusing simulates the serious thing of fast reactor
Therefore during molten fuel；Now control terminal 4 is by controlling the work of drive module so as to by coolant container 2
It is delivered to downwards in reaction generation container 1, the water for simulating cooling agent is filled in coolant container 2, when coolant container 2 enters
After the low-melting alloy for entering to react it is filled after generation container 1 water with melting contact, that is, start to fuel and cooling agent part
The simulation of interaction, now reacts the ring in generation container 1 installed in the data collecting module collected reacted in generation container 1
Border data simultaneously transmit it to control terminal 4, are studied for user.
Embodiment 2
The present embodiment has done further optimization on the basis of embodiment 1 to the concrete structure of experimental system, is specially：
The reaction generation container 1 is rack-mount；Screw mandrel installation position and motor installation position are provided with support.It is wherein described
Drive module includes motor 5, circuit for controlling motor and screw mandrel 6, and screw mandrel 6 is set vertically downward, and motor 5 is driven with screw mandrel 6
Connection, motor 5 electrically connected by circuit for controlling motor with control terminal 4, screw mandrel 6, motor 5 be separately mounted to screw mandrel installation position,
On motor installation position.
When specific implementation, control terminal 4 controls circuit come the rotation of controlled motor 5 by controlled motor, and then
Motion to screw mandrel 6 is adjusted, so as to drive the motion of coolant container 2 in vertical direction, coolant container 2 is sent into
Or send out reaction generation container 1.Position sensor, position sensor are set on wherein described support, in reaction generation container 1
Electrically connected with control terminal 4.In the transmitting procedure for carrying out coolant container 2, position sensor is used to gather coolant container 2
Real-time position information and transmit it to control terminal 4, control terminal 4 is according to the information of reception come the rotation of controlled motor 5
Whether.The positional information gathered by position sensor determines whether coolant container 2 conveys in place, or determines cooling agent
Whether container 2 has been moved out reacting generation container 1.
In specific implementation process, the coolant container 2 is made of the low-melting alloy consistent with melt body material.
In the present embodiment, the coolant container of stating is made of the babbit of low melting point, the fusing point of the low melting point babbit
For 80 DEG C ~ 110 DEG C.When it is delivered to downwards by drive module in reaction generation container 1, by the temperature in reaction generation container 1
The influence of degree, coolant container 2 can melt, so as to complete the release of its cooling agent filled, need to cool down after also avoiding experiment
The problem of residual fragment of agent container 2 takes out.
In specific implementation process, the data acquisition module includes the temperature being arranged on the reaction inwall of generation container 1
Transmitter, pressure transmitter, signal amplifier and analog-digital converter are spent, temperature transmitter, pressure transmitter are amplified by signal
Device, analog-digital converter and control terminal 4 are connected.Wherein temperature transmitter, pressure transmitter are used to react when gathering simulated experiment
Temperature data and pressure data in generation container 1 simultaneously pass it through signal amplifier, analog-digital converter and transmitted to control terminal
4, studied for technical staff.
Wherein described temperature transmitter, the quantity of pressure transmitter are multiple, and multiple temperature transmitters, pressure transmitter are set
Put and set in the different of the reaction inwall of generation container 1 in height.In the present embodiment, at each height in reaction generation container 1 altogether
Provided with least No. 16 temperature transmitters and pressure transmitter, sample frequency reaches as high as 1MHz/s.
In specific implementation process, the heating module 3 includes temperature controller and firing equipment；The firing equipment is electricity
Stove is heated using way of electromagnetic induction；When firing equipment is electric furnace, it is arranged on the lower section of reaction generation container, heating
Fitted with reacting the bottom surface of generation container in face；When firing equipment is heated using way of electromagnetic induction, the winding of its induction coil
In reaction generation container surrounding；Firing equipment is electrically connected with temperature controller, and temperature controller is electrically connected with control terminal 4.Wherein, control eventually
End 4 controls firing equipment by temperature controller and then controls the heating to reaction generation container 1.
Embodiment 3
The present embodiment has done further optimization on the basis of embodiment 2 to the concrete structure for reacting generation container 1, is specially
The reaction generation container 1 is made of stainless steel, and its entirety is in the form of a column, and its inner side is provided with temperature transmitter installing port and pressure
Transmitter installing port, and 1 relief valve installing port and 1 low-melting alloy discharge port, during experiment, react the energy of generation container 1
Bear high temperature within 1000 degrees Celsius and at least 2MPa internal pressure.
In specific implementation process, the top in the reaction generation container 1 is provided with heat insulation cylinder 7, the heat insulation cylinder 7
Be suspended in reaction generation container 1, the top of heat insulation cylinder 7 be provided with end cap, the end cap be provided with one group of gas inlet and outlet and
Coolant container 2 is imported and exported.The heat insulation cylinder 7 is made of stainless steel, and its barrel uses hollow region in double layer design, barrel to set
In respect of 3 sections of water cooling labyrinths, its top design has 3 pairs of cooling water outlet and inlets；Its end cover designs has 1 pair of gas inlet and outlet and 1
Drive link is imported and exported；Its bottom is covered with ultra thin Aluminum foil（For heat-insulated）.Heat insulation cylinder 7 is used to obstruct before conveying coolant container 2
Coolant container 2 and extraneous heat transmission, prevent coolant container 2 melt before transporting or the generation of cooling agent initial temperature compared with
It is big to change.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. the experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent, it is characterised in that：Including
React generation container, coolant container, drive module, heating module, data acquisition module and control terminal；Wherein heating module
For being heated to reaction generation container；Coolant container is arranged on above reaction generation container, coolant container and driving
The drive end connection of module, drive module is used to be delivered to coolant container downwards in reaction generation container；The data are adopted
Collection module is arranged in reaction generation container；Heating module, drive module, data acquisition module are electrically connected with control terminal.
2. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 1 interacts with cooling agent
System, it is characterised in that：The coolant container is made of low melting point babbit, and the fusing point of the low melting point babbit is
80℃~110℃。
3. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 1 interacts with cooling agent
System, it is characterised in that：The drive module includes motor and screw mandrel, and screw mandrel is set vertically downward, and motor is driven with screw mandrel
Connection, motor is electrically connected with control terminal, and the lower end of screw mandrel is connected with coolant container.
4. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 3 interacts with cooling agent
System, it is characterised in that：The experimental system also includes a support, and the reaction generation container is rack-mount, the branch
Screw mandrel installation position and motor installation position are provided with frame, the screw mandrel, motor are separately mounted to screw mandrel installation position, motor installation position
On.
5. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 1 interacts with cooling agent
System, it is characterised in that：The reaction generation container is in the form of a column, its bottom end seal, its top end opening.
6. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 5 interacts with cooling agent
System, it is characterised in that：Top in the reaction generation container is provided with heat insulation cylinder, and the heat insulation cylinder, which is suspended to reaction, to be held
In device, the top of heat insulation cylinder, which is provided with end cap, the end cap, is provided with one group of gas inlet and outlet and coolant container import and export.
7. the experiment system that a kind of sodium-cooled fast reactor molten fuel pond fuel according to claim 6 interacts with cooling agent
System, it is characterised in that：Water cooling labyrinth is provided with the cylinder of the heat insulation cylinder, the top of heat insulation cylinder is provided with cooling water turnover
Mouthful.
8. a kind of sodium-cooled fast reactor molten fuel pond fuel according to any one of claim 1 ~ 7 interacts with cooling agent
Experimental system, it is characterised in that：The data acquisition module includes the temperature pick-up being arranged on reaction generation container inwall
Device, pressure transmitter, signal amplifier and analog-digital converter, temperature transmitter, pressure transmitter pass through signal amplifier, modulus
Converter is connected with control terminal.
What 9. a kind of sodium-cooled fast reactor molten fuel pond fuel according to any one of claim 8 interacted with cooling agent
Experimental system, it is characterised in that：The temperature transmitter, the quantity of pressure transmitter are multiple, multiple temperature transmitters, pressure
Transmitter is arranged on the different height of reaction generation container inwall.
10. a kind of sodium-cooled fast reactor molten fuel pond fuel and cooling agent phase interaction according to any one of claim 1 ~ 7
Experimental system, it is characterised in that：The heating module includes temperature controller and firing equipment；The firing equipment be electric furnace or
Heated using way of electromagnetic induction；Firing equipment be electric furnace when, its be arranged on reaction generation container lower section, heating surface with
React the bottom surface laminating of generation container；When firing equipment is heated using way of electromagnetic induction, its induction coil is wound in instead
Answer generation container surrounding；Firing equipment is electrically connected with temperature controller, and temperature controller is electrically connected with control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400490.8A CN107016913A (en) | 2017-05-31 | 2017-05-31 | The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400490.8A CN107016913A (en) | 2017-05-31 | 2017-05-31 | The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent |
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| Publication Number | Publication Date |
|---|---|
| CN107016913A true CN107016913A (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710400490.8A Pending CN107016913A (en) | 2017-05-31 | 2017-05-31 | The experimental system that a kind of sodium-cooled fast reactor molten fuel pond fuel interacts with cooling agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053903A (en) * | 2017-12-21 | 2018-05-18 | 中国原子能科学研究院 | Fission product retention factor measuring device in a kind of high-temperature sodium |
| CN108362735A (en) * | 2018-01-23 | 2018-08-03 | 常州大学 | A kind of test device and test method of high-temperature molten metal and water explosive reaction |
| CN109087718A (en) * | 2018-07-26 | 2018-12-25 | 中山大学 | The experimental system visualizing of reactor core fusant fragmentation behavior when sodium-cooled fast reactor major accident |
| CN111540491A (en) * | 2020-05-14 | 2020-08-14 | 中国核动力研究设计院 | Rod-shaped fuel source item release characteristic research experimental device and using method thereof |
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| CN106409349A (en) * | 2016-09-30 | 2017-02-15 | 中山大学 | Experimental system for forming characteristic of sodium-cooled fast reactor debris bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053903A (en) * | 2017-12-21 | 2018-05-18 | 中国原子能科学研究院 | Fission product retention factor measuring device in a kind of high-temperature sodium |
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| CN109087718A (en) * | 2018-07-26 | 2018-12-25 | 中山大学 | The experimental system visualizing of reactor core fusant fragmentation behavior when sodium-cooled fast reactor major accident |
| CN109087718B (en) * | 2018-07-26 | 2021-12-31 | 中山大学 | Visual experiment system for reactor core molten matter fragmentation behavior in severe accident of sodium-cooled fast reactor |
| CN111540491A (en) * | 2020-05-14 | 2020-08-14 | 中国核动力研究设计院 | Rod-shaped fuel source item release characteristic research experimental device and using method thereof |
| CN111540491B (en) * | 2020-05-14 | 2022-04-01 | 中国核动力研究设计院 | Rod-shaped fuel source item release characteristic research experimental device and using method thereof |
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Application publication date: 20170804 |
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