CN110033872A - A kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental method - Google Patents
A kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental method Download PDFInfo
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- CN110033872A CN110033872A CN201910343847.2A CN201910343847A CN110033872A CN 110033872 A CN110033872 A CN 110033872A CN 201910343847 A CN201910343847 A CN 201910343847A CN 110033872 A CN110033872 A CN 110033872A
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- experimental
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- water
- circulation loop
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Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 58
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 16
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 16
- 239000011734 sodium Substances 0.000 title claims abstract description 16
- 239000000178 monomer Substances 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- NASFKTWZWDYFER-UHFFFAOYSA-N sodium;hydrate Chemical compound O.[Na] NASFKTWZWDYFER-UHFFFAOYSA-N 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/001—Mechanical simulators
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention belongs to the flow behavior experimental technique field of sodium cold rapid stack component more particularly to a kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental methods.The experimental stand includes sequentially connected: water purification system, voltage-stabilizing system, main circulation loop, experimental section；Wherein, the bringing-up section in main circulation loop is in parallel with experimental section；Measured experiment simulating piece is placed inside experimental section.The experimental method includes: deionized water to be squeezed into main circulation loop and experimental section, and the gas being gathered in pipeline is discharged；The feed pump for starting major circulatory system, establishes stable circulate in experimental loop；Heater is closed after the working fluid is heated to scheduled temperature；Main feed pump frequency and outlet valve aperture are adjusted to realize the switching of different experiments operating condition, completes acquisition and the record of experimental data.The present invention can study the flow behavior of sodium-cooled fast reactor various components and its corresponding cluster section by hydraulic experiment, have stronger versatility and scalability.
Description
Technical field
It is cold fast that the invention belongs to the flow behavior experimental technique fields of sodium cold rapid stack component more particularly to a kind of universal sodium
Pile component monomer hydraulic experiment rack and its experimental method.
Background technique
Sodium-cooled fast reactor is used as nuclear power heap-type of new generation, the related functional components distributing position difference in reactor core, configurations,
Also there is larger difference in corresponding flow behavior etc., designed by reasonable structure so that component meets expected performance requirement.
Since component internal structure is extremely complex, leading to coolant flowing status pole, it is complicated, tortuous, can not utilize calculating fluid dynamic
The flow behavior that theories and methods accurately obtain component is learned, and component flow characteristic is directly related to fast reactor safety and economy
Property.Therefore before carrying out engineer application, it is necessary to the correctness designed by its structure of experimental verification, and constantly repaired by experiment
Change with it is perfect, finally determine the structure size of each structure member.Further, since the practical coolant sodium used in sodium-cooled fast reactor
Chemical property is active, inflammable in air, meets water and sodium-water reaction occurs, therefore ex-reactor experiment has biggish danger using sodium working medium
It is dangerous, not easy to operate, maintenance.
Currently, about the research of sodium cold rapid stack component flow behavior, there are problems to be mainly manifested in following three sides both at home and abroad
Face:
(1) research method is mostly method for numerical simulation, and Related Experimental Study extremely lacks；
(2) experimental study carried out is mostly using band wrapping wire cluster section flow behavior as research emphasis, and whole assembly flowing is special
The experimental study of property is less；
(3) experimental stand that many experimental studies are utilized is only capable of for certain types of component, and scalability is poor.
Summary of the invention
In view of the above technical problems, the invention proposes a kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and
Its experimental method.
The experimental stand includes sequentially connected: water purification system, voltage-stabilizing system, main circulation loop, experimental section；Wherein,
Bringing-up section in main circulation loop is in parallel with experimental section；Measured experiment simulating piece is placed inside experimental section.
The experiment simulating piece is three stage structure, is followed successively by lower head, middle part sleeve, upper cover, middle part from bottom to top
Sleeve is provided with observation window in the vertical direction, is equipped with three discharge pipes in middle and upper part and collectively constitutes the working fluid outlet, under
End socket has experiment simulating piece guide pipe by upper bit, is properly inserted simulating piece tube socket convenient for simulating piece.
The water purification system prepares deionized water using equipment of De-ionized Water.
The voltage-stabilizing system includes high-order feed-tank and a circulating pump.
The main circulation loop includes: to send water water return pipeline, filter, main feed pump and corresponding valve.
The experimental section upper and lower ends monitor flow, pressure, temperature.
The experimental method includes:
Deionized water is squeezed into main circulation loop and experimental section, and the gas being gathered in pipeline is discharged；
The feed pump for starting major circulatory system, establishes stable circulate in experimental loop；
Heater is closed after the working fluid is heated to scheduled temperature；
Main feed pump frequency and outlet valve aperture are adjusted to realize the switching of different experiments operating condition, completes experimental data
Acquisition and record.
Before experiment, starting water purification system injects deionized water into voltage-stabilizing system high position feed-tank, while monitoring water level, reaches
Water purification system is closed after to predetermined water level.
Experimental method voltage-stabilizing system in experiment process is isolated by valve with main circulation loop, and high temperature and pressure is prevented
Water flow backward into vacuum tank.
Beneficial effects of the present invention: the present invention can study sodium-cooled fast reactor various components and its corresponding cluster by hydraulic experiment
The flow behavior of section has stronger versatility and scalability, for the design of sodium-cooled fast reactor external structure with verifying with important
Scientific research value and engineering significance.The experimental stand may be implemented:
(1) carry out hydraulic experiment for all kinds of sodium cold rapid stack components and study its flow behavior；
(2) has the ability that all kinds of sodium cold rapid stack components correspond to cluster section hydraulic experiment, and the pin section thus amplified
The research of flow behavior；
(3) flow covers various components metered flow, and it is real to have laminar flow, transition flow, the waterpower of turbulent flow difference flow region
Test ability；
(4) it is real that other fast reactors with similar structure attribute, presurized water reactor whole assembly, the waterpower of cluster section out-pile are extended to
Verifying.
Detailed description of the invention
Fig. 1 is experimental stand system block diagram of the invention.
Fig. 2 is experimental section schematic diagram of the invention.
Fig. 3 is experimental section lower head structural schematic diagram of the invention.
Fig. 4 is tube-in-tube structure schematic diagram in the middle part of experimental section of the invention.
Fig. 5 is experimental section pictorial diagram of the invention.
The universal sodium cold rapid stack component monomer hydraulic experiment rack layout drawing of Fig. 6.
Specific embodiment
With reference to the accompanying drawing, it elaborates to embodiment.
Experimental stand of the invention is made of water purification system, voltage-stabilizing system, major circulatory system, experimental section.Purification system packet
Equipment of De-ionized Water and a feed pump are included, since component simulating piece structure used in experimental section is very fine, if the working fluid
In there are larger impurity, easily cause surface scale even impurity accumulated plugging flow channel occur, thus test using go from
Sub- wetting system prepares deionized water, and conductivity meets experiment water quality requirement, to ensure that from source less than 0.5 μ s/cm
The reliability of flow condition is also beneficial to measurement accuracy simultaneously；Voltage-stabilizing system mainly includes high-order feed-tank and a circulation
Pump, deionized water are kept in high-order feed-tank, squeeze into experimental loop through circulating pump before experiment, and voltage-stabilizing system is logical in experiment process
It crosses valve to be isolated with experimental loop, prevents the water of high temperature and pressure from flowing backward into vacuum tank；Testing major loop includes corresponding pipeline, mistake
Filter, main feed pump and corresponding valve realize working medium circulation by main feed pump, in master when being full of water in experimental loop
Steady flow in circuit and experimental section branch；Temperature control system mainly includes an electric heater, is flowed in the working fluid
Cheng Zhong starts heater for the working fluid and is heated to scheduled experimental temperature；Experimental section is stainless steel material, and inside is placed tested
The experiment simulating piece of amount, simulating piece axis and experimental section axis keep centering, and the working fluid is entered by bottom experimental section import, stream
Flowed out after testing simulating piece by top exit, by adjust main feed pump frequency and motorized adjustment valve opening realize to flow,
The accurate control of pressure drop；This experiment needs to measure the working fluid flow for flowing through experiment simulating piece and pressure drop, while real-time monitoring
Experimental system temperature, above-mentioned parameter are all made of the automatic data collection mode, complete display, in real time prison at the end PC by data conversion module
Control and storage.Experimental stand major parameter is as shown in table 1.
The universal sodium cold rapid stack component monomer hydraulic experiment rack important technological parameters of table 1
| Parameter | Numerical value | Remarks |
| Design pressure | 1.6MPa | Closed circuit, when work, do not allow any leakage |
| Working media | Deionized water | Conductivity is less than 0.5 μ s/cm |
| Heater maximum power | 120KW | |
| Design maximum stream flow | 150m3/h |
It is carried out in same experimental section for the hydraulic experiment of sodium-cooled fast reactor various components, which has stronger
Versatility and scalability have whole assembly and cluster section experimental ability.Experimental section material is 304 stainless steels, generally three-stage
Structure is followed successively by lower head, middle part sleeve, upper cover from bottom to top, is connected with each other between three by flange；Lower head passes through
Foundation bolt fixes on the ground；Middle part sleeve is provided with 3 observation windows in the vertical direction, for observing inside stream emotionally
Condition；Upper cover is isometrical with lower head, is equipped with three discharge pipes in middle and upper part and collectively constitutes the working fluid outlet；At the top of upper cover
Screw thread is installed, after experiment simulating piece is housed inside experimental section, keeps the compression and centering of simulating piece；Lower head leans on upper bit
There is experiment simulating piece guide pipe, is properly inserted simulating piece tube socket convenient for simulating piece.It is as shown in Figure 3 to test segment structure.
Experimental method and step:
(1) first integral experiment rack is checked before experiment, whether the connection including each system equipment is correct, each
The sealing of interface and Experimental Water Tank is complete, and acquisition system works normally.
(2) experimental section drain valve is closed, each valve in circuit is successively opened, keeps the unimpeded of flow channel；
(3) starting water purification system injects deionized water into voltage-stabilizing system high position feed-tank, while monitoring water level, reaches pre-
Water purification system is closed after determining water level；
(4) deionized water being temporarily stored into high-order feed-tank is squeezed into experimental loop by the circulating pump for opening voltage-stabilizing system, directly
To being completely filled with circuit；
(5) it opens experimental loop top vent valve and the gas being gathered in experimental loop is discharged；
(6) feed pump for starting major circulatory system, establishes stable circulate in experimental loop；
(7) electric heater belonging to start-up temperature control system, by the working fluid be heated to it is scheduled test temperature after close
Heater；
(8) water supply pump frequency and outlet valve aperture are adjusted to realize the switching of different experiments operating condition, completes experimental data
Acquisition and record；
(9) drain valve is opened after testing, the water in experimental loop is arranged to melt pit.
(10) it after testing, checks whether all valve switch, power supply close, checks again for each junction of experimental system
Leakproofness；
(11) experimental data is handled, related experiment report is completed.
This embodiment is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (9)
1. a kind of universal sodium cold rapid stack component monomer hydraulic experiment rack, which is characterized in that including sequentially connected: water purification system
System, voltage-stabilizing system, main circulation loop, experimental section；Wherein, the bringing-up section in main circulation loop is in parallel with experimental section；In experimental section
Place measured experiment simulating piece in portion.
2. experimental stand according to claim 1, which is characterized in that the experiment simulating piece is three stage structure, from lower
On be followed successively by lower head, middle part sleeve, upper cover, middle part sleeve is provided with observation window in the vertical direction, middle and upper part install
There are three discharge pipes to collectively constitute the working fluid outlet, lower head has experiment simulating piece guide pipe by upper bit, is convenient for simulating piece
It is properly inserted simulating piece tube socket.
3. experimental stand according to claim 1 or claim 2, which is characterized in that the water purification system uses equipment of De-ionized Water system
Standby deionized water.
4. experimental stand according to claim 1 or claim 2, which is characterized in that the voltage-stabilizing system includes high-order feed-tank and one
Platform circulating pump.
5. experimental stand according to claim 1 or claim 2, which is characterized in that the main circulation loop includes: to send water return pipe
Road, filter, main feed pump and corresponding valve.
6. experimental stand according to claim 1 or claim 2, which is characterized in that it is characterized in that, the experimental section upper and lower ends are supervised
Measurement of discharge, pressure, temperature.
7. a kind of experimental method based on universal sodium cold rapid stack component monomer hydraulic experiment rack as claimed in claim 1 or 2,
It is characterized in that, the experimental method includes:
Deionized water is squeezed into main circulation loop and experimental section, and the gas being gathered in pipeline is discharged；
The feed pump for starting major circulatory system, establishes stable circulate in experimental loop；
Heater is closed after the working fluid is heated to scheduled temperature；
Main feed pump frequency and outlet valve aperture are adjusted to realize the switching of different experiments operating condition, completes the acquisition of experimental data
With record.
8. experimental method according to claim 7, which is characterized in that before experiment, starting water purification system is high-order to voltage-stabilizing system
Deionized water is injected in feed-tank, while monitoring water level, closes water purification system after reaching predetermined water level.
9. experimental method according to claim 7, which is characterized in that experimental method voltage-stabilizing system in experiment process is logical
It crosses valve to be isolated with main circulation loop, prevents the water of high temperature and pressure from flowing backward into vacuum tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910343847.2A CN110033872A (en) | 2019-04-26 | 2019-04-26 | A kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343847.2A CN110033872A (en) | 2019-04-26 | 2019-04-26 | A kind of universal sodium cold rapid stack component monomer hydraulic experiment rack and its experimental method |
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| CN110033872A true CN110033872A (en) | 2019-07-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509715A (en) * | 2020-11-16 | 2021-03-16 | 中国原子能科学研究院 | Seven subassembly flow measurement experiment sections |
| CN112614602A (en) * | 2020-12-11 | 2021-04-06 | 西安交通大学 | Modeling experiment system and method for stirring characteristics of outlet impact jet flow of sodium-cooled fast reactor core |
| CN113063816A (en) * | 2021-03-23 | 2021-07-02 | 华北电力大学 | Test bench for researching thermal oscillation of central column of fast reactor plug |
| CN113782236A (en) * | 2021-09-09 | 2021-12-10 | 哈尔滨工程大学 | Test device for researching rapid start of nuclear reactor |
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| JPH0346592A (en) * | 1989-07-14 | 1991-02-27 | Hitachi Ltd | Nuclear reactor having coolant circulating pump |
| CN101335058A (en) * | 2008-08-06 | 2008-12-31 | 中国原子能科学研究院 | Fuel assembly simulation piece of sodium-cooled fast reactor |
| US20130216015A1 (en) * | 2010-10-04 | 2013-08-22 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Integrated sodium-cooled fast nuclear reactor |
| CN106981321A (en) * | 2017-04-20 | 2017-07-25 | 西安交通大学 | Simulate the experimental rig and method of sodium-cooled fast reactor fuel assembly hot-working hydraulic characteristic |
| CN107481774A (en) * | 2017-07-18 | 2017-12-15 | 西安交通大学 | A kind of pilot system and its test method of the passive shutdown unit of nuclear reactor |
-
2019
- 2019-04-26 CN CN201910343847.2A patent/CN110033872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0346592A (en) * | 1989-07-14 | 1991-02-27 | Hitachi Ltd | Nuclear reactor having coolant circulating pump |
| CN101335058A (en) * | 2008-08-06 | 2008-12-31 | 中国原子能科学研究院 | Fuel assembly simulation piece of sodium-cooled fast reactor |
| US20130216015A1 (en) * | 2010-10-04 | 2013-08-22 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Integrated sodium-cooled fast nuclear reactor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509715A (en) * | 2020-11-16 | 2021-03-16 | 中国原子能科学研究院 | Seven subassembly flow measurement experiment sections |
| CN112509715B (en) * | 2020-11-16 | 2022-08-05 | 中国原子能科学研究院 | Seven subassembly flow measurement experiment sections |
| CN112614602A (en) * | 2020-12-11 | 2021-04-06 | 西安交通大学 | Modeling experiment system and method for stirring characteristics of outlet impact jet flow of sodium-cooled fast reactor core |
| CN112614602B (en) * | 2020-12-11 | 2022-12-27 | 西安交通大学 | Modeling experiment system and method for stirring characteristics of outlet impact jet flow of sodium-cooled fast reactor core |
| CN113063816A (en) * | 2021-03-23 | 2021-07-02 | 华北电力大学 | Test bench for researching thermal oscillation of central column of fast reactor plug |
| CN113063816B (en) * | 2021-03-23 | 2022-07-26 | 华北电力大学 | Test bench for researching thermal oscillation of central column of fast reactor plug |
| CN113782236A (en) * | 2021-09-09 | 2021-12-10 | 哈尔滨工程大学 | Test device for researching rapid start of nuclear reactor |
| CN113782236B (en) * | 2021-09-09 | 2024-01-16 | 哈尔滨工程大学 | Test device for researching quick start of nuclear reactor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190719 |
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