CN107655816A - A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision and method - Google Patents
A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision and method Download PDFInfo
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- CN107655816A CN107655816A CN201711153654.8A CN201711153654A CN107655816A CN 107655816 A CN107655816 A CN 107655816A CN 201711153654 A CN201711153654 A CN 201711153654A CN 107655816 A CN107655816 A CN 107655816A
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Abstract
The invention discloses a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision and method, the device includes the parts such as bearing support, inner tank body, outer tank body, cover, seal assembly, motor and decelerator, outer magnet rotor, separation sleeve, interior magnet rotor, clamping coupling, power transmission shaft, disc specimen holder, smelting pot, charging aperture, air inlet/outlet, pressure gauge, pressure-reducing valve, primary heater, back-up heater, heat-insulation layer, temperature sensor, master control cabinet may be reversed.Motor and decelerator by magnetic coupling drive in magnet rotor, realize the non-contact torque transmission of static seal structure, specimen holder is driven to be rotated in liquid metal, according to relative motion principle, carry out the constant flow corrosion experiment of low activation steel and its weld seam in liquid metal, sample surface morphology is carried out and observes and analyze corrosion mechanism, the Study on Compatibility for liquid metal and fusion reactor structural material provides basic data.The present invention greatly improves the reliability and operating efficiency of device.
Description
Technical field
The invention belongs to liquid metal and fusion reactor blanket structural material corrosion compatibility field, and in particular to a kind of high temperature
Control oxygen magnetically-actuated liquid metal spin etching experimental provision and method.
Background technology
Covering undertakes the functions such as production tritium, propagation neutron, the damage of shielding high-energy irradiation and heat extraction, is International Thermonuclear experiment
Critical component in heap (ITER) and following commercial fusion power plant.Liquid metal covering is due to high Tritium-breeding ratio, high hot-cast socket
Efficiency, out-pile carry tritium and the complex geometric shapes to tokamak device in real time online has the advantages that good adaptability,
With huge research and application prospect, turn into one of international fusion research institution mainstay scheme in recent years.Although liquid
Clad is with the obvious advantage, but moves towards engineer applied from conceptual design, is also faced with a series of problems, under tritium-permeation, high-intensity magnetic field
MHD effects, safety problem caused by chemism etc..In addition, it is contemplated that the military service cycle of cladding feature is up to several years, liquid
Metal is likely to produce corrosion to cladding structure material so as to cause equipment failure, therefore, carries out liquid metal and cladding structure
The Study on Compatibility of material and its weld seam, it is significant for improving equipment safety nargin.
At present, international each fusion research institution mainly carries out liquid metal and structure by liquid metal experimental loop
The Study on Compatibility of material.One complete liquid metal experimental loop, generally comprise a major loop and purification, fill the conjunction of lead lithium
The subsidiary loops such as gold, discharge lead lithium alloy, protective gas, experimental system is complicated, builds, cycle length high with experimental cost.Europe,
The U.S., Japan etc. have established multiple liquid lead lithium experimental loops in last century the eighties, such as ALCESTE loops of France,
The experimental loop in the LIFUSII loops, Kyoto Univ Japan of Italy, the DRAGON of domestic Chinese Academy of Sciences's nuclear safety technical research institute
Series of loops etc., the corrosion experiments such as static, semi-static, dynamic are carried out, it is compatible with structural material to obtain some liquid metals
The basic data of property.However, either open type, enclosed, 8 fonts still double enclosed liquid metal experimental loops, all unavoidably
The problems such as ground needs to consider driving, burn into purification, blocking, thermal stress.As allowed flow of liquid metal to move up in the loop, especially
It is to need to consume larger driving power in complex pipeline；The high temperature fluent metal flowed in the running of loop is to structural wood
The control of the burn into impurity of material with purification etc. can not avoid；Complicated pipe-line system can bring the security risks such as welding leakage.
To overcome problem above, the present invention uses can-like structure, by magnetic coupling drive in magnet rotor, realize quiet close
The non-contact torque transmission of seal structure, according to relative motion principle, drive specimen holder to be rotated in liquid metal, carry out low activation
The constant flow corrosion experiment of steel and its weld seam in liquid metal.Relative to liquid metal experimental loop, apparatus of the present invention tool
Have the advantage that：1st, it is compact-sized, the complete static seal of inner tank body is realized by magnetically-actuated, is avoided in fluent metal loop
The security risk such as existing structural failure and pipe leakage；2nd, the disc specimen holder of present apparatus unique design, can be accommodated simultaneously
Dozens of sample carries out corrosion experiment different in flow rate, can obtain the corrosion regularity under different operating modes simultaneously；3rd, by overturning branch
Bolster realizes the charging and recovery of liquid metal under vacuum conditions, eliminates the impurity effects such as air, moisture；4th, according to relative
Motion principle, driving power is significantly reduced, the continual and steady corrosion up to thousands of hours can be carried out under high temperature control oxygen operating mode
Experiment, greatly improves reliability and operating efficiency that device uses.Experimental method involved in the present invention have it is simple to operate,
The low remarkable advantage of fault rate, fusion reactor material such as RAFM steel, SiC plug-in units and its weld seam etc. can be carried out by normalizing operation,
Multi-state corrosion experiment in different liquid metals, by observing samples surface topography and corrosion mechanism is analyzed, be liquid gold
The Study on Compatibility of category and fusion reactor structural material provides basic data.
Based on background above technology, for national magnetic confinement nuclear fusion energy developmental research special project project problem
The mission requirements of (2013GB113004) research, spy propose patent of the present invention.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the shortcomings of existing liquid metal experimental loop technology, there is provided a kind of
High temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision and method, solve liquid metal to fusion reactor structural material
And its problem such as the insoluble purification of weld corrosion experiment, sealing, lasting, avoid pipeline loop complexity, liquid metal drives
The technological deficiencies such as the leakage hidden danger caused by dynamic power is high, liquid metal corrodes to device in itself.
The technical solution adopted by the present invention is：A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision,
Including bearing support, inner tank body, outer tank body, cover, seal assembly, motor, decelerator, outer magnet rotor, interior magnet rotor, folder may be reversed
Shell shaft coupling, power transmission shaft, disc specimen holder, smelting pot, air inlet/outlet, air inlet needle-valve, charging aperture gate valve, pressure gauge, subtract
Pressure valve, primary heater, back-up heater, heat-insulation layer, temperature sensor, master control cabinet；Described turnable bearing support and outer tank
Body is connected, and inner tank body is connected with outer magnet rotor and interior magnet rotor respectively by cover, and clamping coupling is located at interior magnet rotor lower end,
And be connected by power transmission shaft with disc specimen holder, outer magnet rotor is located at decelerator lower end, and passes through transmission device and decelerator
The motor connection of upper end；Motor is connected by support rod with cover；Inner tank body bottom set one group of primary heater, two groups it is standby plus
Hot device and a temperature sensor, temperature sensor and power supply are connected to master control cabinet；Inner canister body sidewall sets a pressure-reducing valve；
Filling heat insulating wall between inside and outside tank body；There are taper charging aperture, smelting pot, air inlet/outlet and pressure gauge on cover, smelting pot is by entering
Material mouth gate valve is connected with taper charging aperture.
Wherein, described inner tank body structural material is that molybdenum alloy, outer tank body and can cover structure material are 316L steel, heat-insulation layer
For polyurethane.
Wherein, a diameter of 32cm of described inner tank body, depth 20cm, volume about 16L.
Wherein, described outer magnet rotor, interior magnet rotor are magnetic driven rotary device, and motor is turned by decelerator and outer magnetic
Son connection, interior magnet rotor are connected by clamping coupling with disc specimen holder, are installed between interior magnet rotor and outer magnet rotor exhausted
The seal isolation set of magnetic.
Wherein, described power transmission shaft material is molybdenum alloy, length 13cm, a diameter of 1cm.
Wherein, described seal assembly uses copper alloy seal circle.
Wherein, described disc specimen holder material is molybdenum alloy, disc radius 14cm, thickness 5mm, two above and below disk
Individual surface respectively sets two annular sample cells, and sample is fixed using clamp nut.
Wherein, described primary heater and back-up heater are silicon molybdenum alloy heater, power 300W, in primary heater
When breaking down, the first back-up heater is automatically switched to；During the first back-up heater failure, automatically switch to second it is standby plus
Hot device.
Wherein, described temperature sensor is industrial thermometric armoured thermocouple, error ± 1 DEG C；Described temperature control device temperature
Control 0 DEG C~550 DEG C of scope, precision ± 1 DEG C.
Wherein, described heat-insulation layer is polyurethane heat insulation material, thermal conductivity factor<0.03W/(m.K).
Wherein, described power of motor is 1kW, 0~800rpm of decelerator working range.
Wherein, described melting tank volume is 8L, resistance-type heating power 500W.
A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental method, implementation step are as follows：
S1：The disc specimen holder for installing sample is installed on power transmission shaft, power transmission shaft is placed in inner tank body, by close
Sealing assembly is connected with cover, is put metallic lead lithium alloy into smelting pot, is opened air inlet needle-valve and charging aperture gate valve, starts pumping
Pump, inner tank body and smelting pot are vacuumized；
S2：Air inlet needle-valve is closed, starts smelting pot heating power supply, starts inner tank body primary heater, keeping temperature sensing
Device and master control cabinet are in running order, all flow into inner tank body after the fusing of metallic lead lithium alloy, close charging aperture gate valve；
S3：Smelting pot heating power supply is closed, argon bottle is connected by air inlet/outlet, air inlet needle-valve is opened, leads to tank body
Enter argon gas as protective gas, air inlet needle-valve is closed when pressure gauge shows 0.2MPa；
S4：Start motor, rotating speed of transmission shaft is controlled by decelerator, heating liquid lead lithium alloy to design temperature, implemented
Corrode compatibility experiments；
S5：Experiment closes motor after terminating, and turnable bearing support is rotated into 180 degree, opens charging aperture gate valve, opens decompression
Valve, liquid metal flow into smelting pot by taper charging aperture and reclaimed, and close primary heater, treat that device naturally cools to room temperature,
Inner tank body is opened, takes out laboratory sample.
Wherein, inner tank body vacuum maintains about 10 during charging-5Pa, inner tank body maintains 0.2MPa pressure, inner tank body in experiment
Interior liquid metal temperature reaches as high as 500 DEG C.
Wherein, by the means such as magnetically-actuated and the auxiliary heat of temperature control, multiple laboratory samples can synchronously be carried out hundreds of to thousands of
Hour high temperature control oxygen liquid metal spin etching experiment, grinds for the compatibility of liquid metal and fusion reactor structural material and its weld seam
Offer basic data is provided.
The present invention compared with prior art the advantages of be：
A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision of the present invention and method, according to fusion reactor knot
Structure material and its weld seam and the technical need of liquid metal compatibility, using the invention device and experimental method, carry out high temperature control
The lasting corrosion experiment of oxygen, by technical Analysis such as SEM, XPS, EDS, to study the phase of liquid metal and fusion reactor structural material
Capacitive provides basic data.Apparatus of the present invention are compact-sized, and the complete static seal of inner tank body is realized by magnetically-actuated, is avoided
Pipeline material high-temerature creep, liquid metal leakage equivalent risk.The disc specimen holder of unique design, can accommodate dozens of simultaneously
Sample carries out corrosion experiment different in flow rate.Liquid metal charging under vacuum conditions is realized by the way that bearing support may be reversed and is returned
Receive, eliminate the impurity effects such as air, moisture.According to relative motion principle, significantly reduce driving power, in high temperature control oxygen work
The continual and steady corrosion experiment up to thousands of hours can be carried out under condition, greatly improve reliability and work effect that device uses
Rate.Experimental method involved in the present invention has simple to operate, the low remarkable advantage of fault rate, by normalizing operation to fusion
Heap material such as RAFM steel, SiC plug-in units and its weld seam etc., can carry out the multi-state corrosion experiment in different liquid metals.
Brief description of the drawings
Fig. 1 is a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision principle used in the present invention
Figure；
Fig. 2 is the disc specimen holder schematic diagram used in the present invention.
Reference implication is in figure：1 is may be reversed bearing support, and 2 be inner tank body, and 3 be outer tank body, and 4 be cover, and 5 be close
Sealing assembly, 6 be motor, and 7 be decelerator, and 8 be outer magnet rotor, and 9 be interior magnet rotor, and 10 be clamping coupling, and 11 be power transmission shaft, 12
It is smelting pot for disc specimen holder, 13,14 be air inlet/outlet, and 15 be air inlet needle-valve, and 16 be charging aperture gate valve, and 17 be pressure
Table, 18 be pressure-reducing valve, and 19 be primary heater, and 20 be back-up heater, and 21 be heat-insulation layer, and 22 be temperature sensor, and 23 be master control
Cabinet processed.
Embodiment
The embodiment of the present invention is provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
The specific embodiment of the invention is rotten using a kind of high temperature control oxygen magnetically-actuated liquid metal rotation shown in accompanying drawing 1
Lose experiment device schematic diagram.
A kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision that the present invention uses, by supporting may be reversed
Frame 1, inner tank body 2, outer tank body 3, cover 4, seal assembly 5, motor 6, decelerator 7, outer magnet rotor 8, interior magnet rotor 9, pod connection
Axle device 10, power transmission shaft 11, disc specimen holder 12, smelting pot 13, air inlet/outlet 14, air inlet needle-valve 15, charging aperture gate valve 16,
Pressure gauge 17, pressure-reducing valve 18, primary heater 19, back-up heater 20, heat-insulation layer 21, temperature sensor 22, master control cabinet 23 etc.
Part forms.
May be reversed bearing support 1 be connected with outer tank body 3, inner tank body 2 by cover 4 respectively with outer magnet rotor 8 and interior magnet rotor 9
Connection, clamping coupling 10 is located at the interior lower end of magnet rotor 9, and is connected by power transmission shaft 11 with disc specimen holder 12, and outer magnetic turns
Son 8 is located at the lower end of decelerator 7, and is connected by transmission device with the motor 6 of decelerator upper end；Motor 6 passes through support rod and tank
Lid 4 connects；The bottom of inner tank body 2 sets one group of primary heater, 19, two groups of back-up heaters 20 and a temperature sensor 22, temperature
Sensor 22 and power supply are connected to master control cabinet 23；Inner canister body sidewall sets a pressure-reducing valve 18；Insulation is filled between inside and outside tank body
Layer 21；There are taper charging aperture 16, smelting pot 13, air inlet/outlet 14 and pressure gauge 17 on cover 4, smelting pot 13 passes through charging aperture lock
Valve 16 is connected with taper charging aperture.
It is as follows to implement step：
S1：The disc specimen holder 12 for installing sample is installed on power transmission shaft 11, power transmission shaft 11 is placed in inner tank body 2
In, it is connected by seal assembly 5 with cover 4, puts metallic lead lithium alloy about 40Kg into smelting pots 13, open air inlet needle-valve
15th, charging aperture gate valve 16, start aspiration pump, inner tank body 2 and smelting pot 13 are vacuumized, vacuum about 10-5Pa；
S2：Air inlet needle-valve 15 is closed, starts the heating power supply of smelting pot 13, starts primary heater 19 and preheats inner tank body 2, protect
Hold temperature sensor 22 and master control cabinet 23 is in running order, all flow into inner tank body 2 after the fusing of metallic lead lithium alloy, close
Charging aperture gate valve 16 is closed, closes the heating power supply of smelting pot 13；
S3：Continue to put metallic lead lithium alloy about 40Kg into smelting pots 13, open air inlet needle-valve 15, charging aperture gate valve
16, start aspiration pump, inner tank body 2 and smelting pot 13 are vacuumized, vacuum about 10-5Pa；Start the heating power supply of smelting pot 13, treat
Inner tank body 2 is all flowed into after the fusing of metallic lead lithium alloy, closes charging aperture gate valve 16；
S4：The heating power supply of smelting pot 13 is closed, argon bottle is connected by air inlet/outlet 14, air inlet needle-valve 15 is opened, gives
Tank body is passed through protective gas, and pressure gauge 17 closes air inlet needle-valve 15 when showing 0.2MPa；
S5：Start motor 6, the rotating speed of disc specimen holder 12 controlled by decelerator 7, when rotating speed is about 40rpm, it is corresponding from
Four sample cell linear velocities respectively may be about 50cm/s, 42cm/s, 33cm/s and 25cm/s outside to inside, carry out under operating mode different in flow rate
Spin etching experiment；
S6：Experiment closes motor 6 after terminating, and turnable bearing support 1 is rotated into 180 degree, opens charging aperture gate valve 16, is opened
Pressure-reducing valve 18, liquid metal flow into smelting pot 13 by taper charging aperture and recycled, and close primary heater 19, treat device certainly
Room temperature is so cooled to, opens inner tank body 2, takes out laboratory sample.
16 samples can be at least put into simultaneously as needed in the step S1, on disc specimen holder 12 carries out experiment.
The vacuum of inner tank body 2 maintains about 10 during charging-5Pa, primary heater 19 are pre-heated to 240 DEG C to inner tank body 2.
In the step S2, because smelting pot swept volume is limited, to ensure that disc specimen holder 12 is totally submerged in liquid
In state metal, secondary melting liquid metal in two batches in smelting pot 13, each melting amount about 40Kg, melting lead lithium alloy volume twice
About 8L.
In the step S3, inner tank body 2 maintains about 0.2MPa argon pressures in experimentation, periodically carries out inspection.
Claims (15)
- A kind of 1. high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision, it is characterised in that：Including supporting may be reversed Frame (1), inner tank body (2), outer tank body (3), cover (4), seal assembly (5), motor (6), decelerator (7), outer magnet rotor (8), Interior magnet rotor (9), clamping coupling (10), power transmission shaft (11), disc specimen holder (12), smelting pot (13), air inlet/outlet (14), air inlet needle-valve (15), charging aperture gate valve (16), pressure gauge (17), pressure-reducing valve (18), primary heater (19), it is standby plus Hot device (20), heat-insulation layer (21), temperature sensor (22) and master control cabinet (23)；Described turnable bearing support (1) and outer tank Body (3) is connected, and inner tank body (2) is connected with outer magnet rotor (8) and interior magnet rotor (9) respectively by cover (4), clamping coupling (10) interior magnet rotor (9) lower end is located at, and is connected by power transmission shaft (11) with disc specimen holder (12), outer magnet rotor (8) sets It is connected in decelerator (7) lower end, and by transmission device with the motor (6) of decelerator upper end；Motor (6) passes through support rod and tank Cover (4) connection；Inner tank body (2) bottom sets one group of primary heater (19), two groups of back-up heaters (20) and a TEMP Device (22), temperature sensor (22) and power supply are connected to master control cabinet (23)；Inner tank body (2) side wall sets a pressure-reducing valve (18)；Filling heat insulating wall (21) between inside and outside tank body (3)；There are taper charging aperture, smelting pot (13), air inlet/outlet on cover (4) (14) it is connected with pressure gauge (17), smelting pot (13) by charging aperture gate valve (16) with taper charging aperture.
- 2. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described inner tank body (2) structural material is that molybdenum alloy, outer tank body (3) and cover (4) structural material are 316L steel, insulation Layer (21) is polyurethane.
- 3. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described inner tank body (2) a diameter of 32cm, depth 20cm, volume about 16L.
- 4. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described outer magnet rotor (8), interior magnet rotor (9) are magnetic driven rotary device, motor (6) by decelerator (7) with it is outer Magnet rotor (8) is connected, and interior magnet rotor (9) is connected by clamping coupling (10) with disc specimen holder (12), interior magnet rotor (9) The seal isolation set of exhausted magnetic is installed between outer magnet rotor (8).
- 5. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described power transmission shaft (11) material is molybdenum alloy, length 13cm, a diameter of 1cm.
- 6. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described seal assembly (5) uses copper alloy seal circle.
- 7. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described disc specimen holder (12) material is molybdenum alloy, and disc radius 14cm, two surfaces are respectively set above and below disk Two annular sample cells, sample are fixed using clamp nut.
- 8. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described primary heater (19) and back-up heater (20) is silicon molybdenum alloy heater, power 300W, in primary heater (19) when breaking down, the first back-up heater is automatically switched to；During the first back-up heater failure, it is standby to automatically switch to second Use heater.
- 9. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described temperature sensor (22) is industrial thermometric armoured thermocouple, error ± 1 DEG C；Described temperature control device temperature control model 0 DEG C~550 DEG C are enclosed, precision ± 1 DEG C.
- 10. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described heat-insulation layer (21) is polyurethane heat insulation material, thermal conductivity factor<0.03W/(m.K).
- 11. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described motor (6) power is 1kW, 0~800rpm of decelerator working range.
- 12. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental provision according to claim 1, its feature It is：Described smelting pot (13) volume is 8L, resistance-type heating power 500W.
- A kind of 13. high temperature control oxygen magnetically-actuated liquid metal spin etching experimental method, it is characterised in that：Realize that step is as follows：S1：The disc specimen holder (12) for installing sample is installed on power transmission shaft (11), power transmission shaft (11) is placed in inner tank body (2) in, it is connected by seal assembly (5) with cover (4), puts metallic lead lithium alloy into smelting pot (13), open air inlet lancet Valve (15) and charging aperture gate valve (16), start aspiration pump, inner tank body (2) are vacuumized；S2：Air inlet needle-valve (15) is closed, starts smelting pot (13) heating power supply, starts inner tank body (2) primary heater (19), is protected Hold temperature sensor (22) and master control cabinet (23) is in running order, inner tank body is all flowed into after the fusing of metallic lead lithium alloy (2) charging aperture gate valve (16), is closed；S3：Smelting pot (13) heating power supply is closed, argon bottle is connected by air inlet/outlet (14), opens air inlet needle-valve (15), Argon gas is passed through as protective gas to tank body, and air inlet needle-valve (15) is closed when pressure gauge (17) shows 0.2MPa；S4：Start motor (6), power transmission shaft (12) rotating speed is controlled by decelerator (7), heating liquid lead lithium alloy is to setting temperature Degree, implement corrosion compatibility experiments；S5：Experiment closes motor (6) after terminating, and turnable bearing support (1) is rotated into 180 degree, charging aperture gate valve (16) is opened, beats Pressure valve (18) is reduced, liquid metal flows into smelting pot (13) by taper charging aperture and reclaimed, and closes primary heater (19), to be installed Put and naturally cool to room temperature, open inner tank body (2), take out laboratory sample.
- 14. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental method according to claim 13, it is special Sign is：Inner tank body (2) vacuum maintains about 10 during charging-5Pa, inner tank body (2) maintains 0.2MPa pressure, inner tank body in experiment (2) interior liquid metal temperature reaches as high as 500 DEG C.
- 15. a kind of high temperature control oxygen magnetically-actuated liquid metal spin etching experimental method according to claim 13, it is special Sign is：By the means such as magnetically-actuated and the auxiliary heat of temperature control, multiple laboratory samples can synchronously be carried out with hundreds of to thousands of hours height Temperature control oxygen liquid metal spin etching is tested, and the Study on Compatibility for liquid metal and fusion reactor structural material and its weld seam provides Basic data.
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| CN112229782A (en) * | 2020-09-01 | 2021-01-15 | 华北电力大学 | Device for simulating corrosion research of liquid metal battery |
| CN113686767A (en) * | 2021-08-25 | 2021-11-23 | 中国科学院合肥物质科学研究院 | Multi-flow-velocity dynamic corrosion experimental device and experimental method in liquid environment |
| CN114910375A (en) * | 2022-04-24 | 2022-08-16 | 华北水利水电大学 | Ultrahigh-flow-velocity impeller mechanical erosion and abrasion performance experimental device |
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