CN110499520A - Fused salt electrolysis apparatus - Google Patents
Fused salt electrolysis apparatus Download PDFInfo
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- CN110499520A CN110499520A CN201910918742.5A CN201910918742A CN110499520A CN 110499520 A CN110499520 A CN 110499520A CN 201910918742 A CN201910918742 A CN 201910918742A CN 110499520 A CN110499520 A CN 110499520A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 67
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 47
- 238000002156 mixing Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 230000009467 reduction Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 27
- 238000011084 recovery Methods 0.000 abstract description 8
- 231100001261 hazardous Toxicity 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 description 36
- 239000007788 liquid Substances 0.000 description 19
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a kind of fused salt electrolysis apparatus, including heating furnace, connecting shaft, crucible, mixing baffle, electrode and driving assembly, heating furnace includes bottom wall and side wall, and bottom wall and side wall limit furnace chamber, and bottom wall is equipped with through-hole；Connecting shaft passes through through-hole and can be rotated, and upper end is located in furnace chamber, and lower end is located at the lower section of bottom wall；Crucible setting is not contacted in furnace chamber and between heating furnace, and crucible is fixed on the upper end of connecting shaft, and crucible has upper opening；Mixing baffle passes through the upper opening of crucible, and lower end is located in crucible, and upper end is fixed on the top of the side wall of heating furnace；Electrode is suspended in crucible, is not contacted between electrode and crucible and between electrode and mixing baffle；Driving assembly is connected with the lower end of connecting shaft.Fused salt electrolysis apparatus of the invention can be realized automation agitating function, greatly reduce labor intensity, and operating personnel is avoided to operate in hazardous environment, and not only structure is simply convenient for operating, and electrolytic efficiency is high, and metal recovery rate is high.
Description
Technical field
The present invention relates to nonferrous materials preparation technical fields, more particularly, to a kind of fused salt electrolysis apparatus.
Background technique
In the molten salt electrolysis method of rare metal and its alloy, there are upper spaces there are electrolysis unit for upper slotting cathode method
The nervous, drawbacks such as production efficiency is low, the degree of automation is low, labor intensity of workers is big.Therefore frequently with liquid cathode molten-salt electrolysis
Method produces rare metal, and this method has many advantages, such as that product composition is uniform, metal recovery rate is high, less energy consumption, at low cost.
In liquid cathode method electrolysis process, the rare metal and alloy for needing strict control electrolysis to be precipitated are in liquid to cathode
Interior diffusion velocity can form clad in liquid cathode, to being electrolysed if the rare metal being precipitated and alloy diffusion are not in time
Journey has an adverse effect, and electrolytic efficiency is caused to decline.In liquid cathode method electrolysis process, to liquid metal internal and fused salt
It is stirred operation simultaneously with liquid metal interface, the mass transfer effect of rare metal and alloy in liquid cathode can be effectively improved
Rate, and then improve electrolytic efficiency.
The crucible of fused salt electrolysis apparatus is fixed with electrode position in industrial production at present, and worker is mostly used to stir or be electrolysed
Slot top applied mechanical device realizes the stirring operation in Molten, labor intensity is big, operating environment is dangerous,
Add-on device is complicated, upper part of the electrolytic cell space is nervous, accelerates fused salt volatilization loss in whipping process, increases production cost and energy
Consumption has an impact electrode normal work, is unfavorable for large-scale production.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of fused salt electrolysis apparatus, can be realized automation agitating function, greatly reduce labor intensity, keep away
Exempt from operating personnel to operate in hazardous environment, not only structure is simply convenient for operating, and electrolytic efficiency is high, and metal recovery rate is high.
Fused salt electrolysis apparatus according to an embodiment of the present invention, comprising:
Heating furnace, heating furnace include the side wall that bottom wall and the peripheral portion from bottom wall upwardly extend, and bottom wall and side wall limit
Furnace chamber, bottom wall are equipped with through-hole；
Connecting shaft, connecting shaft vertically pass through through-hole and can horizontally rotate, and the upper end of connecting shaft is located in furnace chamber, connecting shaft
Lower end is located at the lower section of bottom wall；
Crucible, crucible are arranged in furnace chamber, do not contact between crucible and heating furnace, crucible is removably attached to connecting shaft
Upper end, crucible have upper opening；
Mixing baffle, mixing baffle pass through the upper opening of crucible, and the lower end of mixing baffle is located in crucible, mixing baffle
Upper end is fixed on the top of the side wall of heating furnace；
Electrode, electrode are suspended in crucible, are not contacted between electrode and crucible and between electrode and mixing baffle；
Driving assembly, driving assembly are connected with the lower end of connecting shaft, to be drivingly connected axis and the rotation of crucible level of synchronization.
Fused salt electrolysis apparatus according to an embodiment of the present invention, the course of work are as follows: pour into and be electrolysed in crucible
Molten salt electrolyte opens heating furnace, so that molten salt electrolyte remains liquid, starts driving assembly, so that crucible and connection
Axis level of synchronization rotation, since crucible horizontally rotates, drive crucible in molten salt electrolyte make rotating motion, molten salt electrolyte with
To become uniformly, powered electrode is electric by the molten salt electrolyte in crucible for the mixing baffle relative motion being fixed on heating furnace
Solution, rotated horizontally as a result, using crucible in electrolytic process and mixing baffle collective effect can to the rare metal of precipitation or
Alloy is stirred operation；Molten salt electrolyte electrolysis since crucible is removably attached in connecting shaft, in crucible
After the completion, heating furnace, electrode and driving assembly can be closed, takes out crucible, replaced molten salt electrolyte, carry out next round later
Electrolysis.
Fused salt electrolysis apparatus according to an embodiment of the present invention, heating furnace heat molten salt electrolyte, are allowed to be constantly in liquid
State facilitates the progress of electrolytic process；Driving assembly drives connecting shaft and crucible to rotate horizontally, the mixing baffle being placed in crucible
Position is fixed, crucible and mixing baffle relative motion, as a result, can be by molten-salt electrolysis under mixing baffle and crucible collective effect
Matter stirs evenly, and effectively improves the mass-transfer efficiency of rare metal and alloy in liquid cathode, and then improves electrolysis effect
Rate, the rare metal for avoiding precipitation and alloy diffusion form clad not in time, in liquid cathode, generate unfavorable shadow to electrolysis
It rings；Crucible is removably attached in connecting shaft, and charging and draw operation are convenient.To sum up, the molten-salt electrolysis of the embodiment of the present invention
Device can be realized automation agitating function, greatly reduce labor intensity, avoid operating personnel in hazardous environment
Middle operation, not only structure is simply convenient for operating, and electrolytic efficiency is high, and metal recovery rate is high.
According to one embodiment of present invention, it is not contacted between the outer peripheral surface of connecting shaft and the internal perisporium of through-hole.
According to one embodiment of present invention, further include turntable, turntable is horizontally set in furnace chamber, turntable and heating furnace it
Between do not contact, the lower surface of turntable and the upper end of connecting shaft are fixed, and the bottom of crucible and the upper surface of turntable are removably secured.
Further embodiment according to the present invention is formed with positioning groove or located cavity, crucible on the upper surface of turntable
Bottom be equipped with the locating piece that is adapted to positioning groove or located cavity, bottom and the turntable of crucible are removably secured mode and are
Locating piece cooperates in positioning groove or located cavity.
According to one embodiment of present invention, mixing baffle includes upper cross plate and riser, and one end of upper cross plate, which is fixed on, to be added
The top of the side wall of hot stove, the other end of upper cross plate and the upper end of riser are fixed, and riser passes through the upper opening of crucible, under riser
Termination is bordering on the bottom of crucible.
Further embodiment according to the present invention, inner sidewall of the riser close to crucible.
Further embodiment, mixing baffle further include lower cross plate according to the present invention, and lower cross plate is located at the inside of riser
And fixed close to the bottom of crucible, one end of lower cross plate and the lower end of riser, the other end of lower cross plate is free end.
Further embodiment, mixing baffle have one or more according to the present invention.
According to one embodiment of present invention, driving assembly includes reduction gearbox and motor, and reduction gearbox has input terminal and defeated
The input terminal of outlet, reduction gearbox is connected to the motor, and the output end of reduction gearbox is connected with the lower end of connecting shaft.
It according to some embodiments of the present invention, further include conducting ring, conducting ring is set on the outer peripheral surface of connecting shaft and position
In the lower section of the bottom wall of heating furnace, connecting shaft and crucible are electric conductor, between connecting shaft and conducting ring and connecting shaft and earthenware
It is electrically connected between crucible, the anode and cathode that the upper end of conducting ring and electrode passes through conducting wire and the first power supply respectively electrically connect
It connects.
According to some embodiments of the present invention, electrode includes positive electrode and negative electrode, and positive electrode and negative electrode are at interval
Setting, the lower end of positive electrode and the lower end of negative electrode are divided close to the bottom of crucible, the upper end of positive electrode and the upper end of negative electrode
Do not pass through the anode of conducting wire and second source and cathode electric connection.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the fused salt electrolysis apparatus of one embodiment of the invention.
Fig. 2 is the structural schematic diagram of the fused salt electrolysis apparatus of another embodiment of the present invention.
Fig. 3 is the schematic top plan view of the turntable of Fig. 1 and Fig. 2.
Fig. 4 is the schematic side view of the turntable of Fig. 1 and Fig. 2.
Fig. 5 is the schematic side view of the crucible of Fig. 1 and Fig. 2.
Appended drawing reference:
Fused salt electrolysis apparatus 1000
Heating furnace 1
101 side wall of bottom wall, 102 furnace chamber, 103 through-hole 104
Connecting shaft 2
Mixing baffle 3
301 riser of upper cross plate, 302 lower cross plate 303
Turntable 4
Positioning groove 401
Crucible 5
Locating piece 501
Driving assembly 6
601 motor 602 of reduction gearbox
First power supply, 7 second source, 8 conducting ring 9
Electrode 10
1001 negative electrode 1002 of positive electrode
11 molten salt electrolyte 12 of conducting wire
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Fused salt electrolysis apparatus 1000 according to an embodiment of the present invention is described below with reference to Fig. 1 to Fig. 5.
As shown in Fig. 1 to 5, fused salt electrolysis apparatus 1000 according to an embodiment of the present invention, including heating furnace 1, connecting shaft 2,
Crucible 5, mixing baffle 3, electrode 10 and driving assembly 6, heating furnace 1 include that bottom wall 101 and the peripheral portion from bottom wall 101 prolong upwards
The side wall 102 stretched, bottom wall 101 and side wall 102 limit furnace chamber 103, and bottom wall 101 is equipped with through-hole 104；Connecting shaft 2 vertically passes through
Through-hole 104 and it can horizontally rotate, the upper end of connecting shaft 2 is located in furnace chamber 103, and the lower end of connecting shaft 2 is located under bottom wall 101
Side；Crucible 5 is arranged in furnace chamber 103, does not contact between crucible 5 and heating furnace 1, crucible 5 is removably attached to connecting shaft 2
Upper end, crucible 5 have upper opening；Mixing baffle 3 passes through the upper opening of crucible 5, and the lower end of mixing baffle 3 is located in crucible 5, stirs
Mix baffle 3 upper end be fixed on heating furnace 1 side wall 102 top；Electrode 10 is suspended in crucible 5, electrode 10 and crucible 5 it
Between and electrode 10 and mixing baffle 3 between do not contact；Driving assembly 6 is connected with the lower end of connecting shaft 2, to be drivingly connected axis
2 and 5 level of synchronization of crucible rotation.
Specifically, heating furnace 1 includes the side wall 102 that bottom wall 101 and the peripheral portion from bottom wall 101 upwardly extend, bottom wall
101 and side wall 102 limit furnace chamber 103, bottom wall 101 is equipped with through-hole 104.It is understood that in the furnace chamber 103 of heating furnace 1
Crucible 5 can be placed, the molten salt electrolyte 12 in crucible 5 can be heated by heating furnace 1, avoid temperature lower so that
Molten salt electrolyte 12 generates deposition, and molten salt electrolyte 12 is constantly in liquid condition, convenient for the progress of electrolytic process, electrolysis effectiveness
Good, metal recovery rate is high.
Connecting shaft 2 vertically passes through through-hole 104 and can horizontally rotate, and the upper end of connecting shaft 2 is located in furnace chamber 103, connecting shaft 2
Lower end be located at the lower section of bottom wall 101.Specifically, connecting shaft 2 is vertically across the through-hole 104 of the bottom wall 101 of heating furnace 1, connection
2 upper end of axis is fixedly connected with 5 bottom of crucible that furnace chamber 103 is provided with molten salt electrolyte 12, so that crucible 5 is supported and fixed on furnace
In chamber 103；Connecting shaft 2 horizontally rotates, and the crucible 5 being fixed in connecting shaft 2 can be driven to rotate horizontally.
Crucible 5 is arranged in furnace chamber 103, does not contact between crucible 5 and heating furnace 1, avoid crucible 5 and heating furnace 1 it
Between generate friction, influence crucible 5 rotation, reduce electrolytic efficiency；Crucible 5 is removably attached to the upper end of connecting shaft 2, so that earthenware
Crucible 5 can be removed or placed into from the furnace chamber 103 of heating furnace 1；Crucible 5 has upper opening, the as a result, molten-salt electrolysis in crucible 5
Matter 12 can be replaced in time after the completion of electrolysis.
Mixing baffle 3 passes through the upper opening of crucible 5, and the lower end of mixing baffle 3 is located in crucible 5, the upper end of mixing baffle 3
It is fixed on the top of the side wall 102 of heating furnace 1.Specifically, 3 position of mixing baffle is fixed and lower end is located in crucible 5, because
This, when crucible 5 rotates in the horizontal direction, mixing baffle 3 and 5 relative motion of crucible are realized in electrolytic process to the dilute of precipitation
There is the stirring operation of Metal and Alloy, effectively improves the mass-transfer efficiency of rare metal and alloy in liquid cathode, in turn
Electrolytic efficiency is improved, the rare metal for avoiding precipitation and alloy diffusion form clad not in time, in liquid cathode, to electricity
Solution has an adverse effect, and electrolytic efficiency is caused to decline, and metal recovery rate is low, meanwhile, open additional 3 knot of mixing baffle on crucible 5
Structure is simple, and 5 upper space of crucible is rationally distributed.
Electrode 10 is suspended in crucible 5, and electrode 10 protrudes into the fused electrolyte in crucible 5, so as to be electrolysed fused salt
Rare metal is precipitated in electrolyte 12；It does not contact, avoids between electrode 10 and crucible 5 and between electrode 10 and mixing baffle 3
It rubs between electrode 10 and crucible 5, influences the rotation of crucible 5, reduce electrolytic efficiency, while avoiding electrode 10 and mixing baffle
3 contacts influence the electrolytic efficiency of electrode 10.
Driving assembly 6 is connected with the lower end of connecting shaft 2, to be drivingly connected axis 2 and the rotation of 5 level of synchronization of crucible.It can manage
Solution, driving assembly 6 are the powered rotation of crucible 5, enable crucible 5 relative to fixed electrode 10 and mixing baffle 3
Rotation realizes automatic stirring operation, greatly reduces labor intensity, operating personnel is avoided to operate in hazardous environment.
Fused salt electrolysis apparatus 1000 according to an embodiment of the present invention, the course of work are as follows: pour into needs in crucible 5 and carry out electricity
The molten salt electrolyte 12 of solution opens heating furnace 1, so that molten salt electrolyte 12 remains liquid, starts driving assembly 6, so that
Crucible 5 and 2 level of synchronization of connecting shaft rotate, and since crucible 5 horizontally rotates, drive the molten salt electrolyte 12 in crucible 5 to do and rotate
Movement, molten salt electrolyte 12 and 3 relative motion of mixing baffle being fixed on heating furnace 1 are to become uniformly, powered electrode 10
Molten salt electrolyte 12 in crucible 5 is electrolysed, is rotated horizontally in electrolytic process using crucible 5 as a result, and mixing baffle 3 is common
Effect can be stirred operation to the rare metal or alloy of precipitation；Since crucible 5 is removably attached in connecting shaft 2,
Therefore after the completion of the molten salt electrolyte 12 in crucible 5 is electrolysed, heating furnace 1, electrode 10 and driving assembly 6 can be closed, is taken
Molten salt electrolyte 12 is replaced in crucible 5 out, carries out next round electrolysis later.
Molten salt electrolyte 12 is heated, is allowed to always by fused salt electrolysis apparatus 1000 according to an embodiment of the present invention, heating furnace 1
In liquid, facilitate the progress of electrolytic process；Driving assembly 6 drives connecting shaft 2 and crucible 5 to rotate horizontally, and is placed in crucible 5
3 position of mixing baffle fix, crucible 5 and 3 relative motion of mixing baffle, as a result, in mixing baffle 3 and 5 collective effect of crucible
Under molten salt electrolyte 12 can be stirred evenly, effectively improve rare metal and alloy in liquid cathode mass transfer effect
Rate, and then electrolytic efficiency is improved, the rare metal for avoiding precipitation and alloy diffusion not in time, are formed in liquid cathode and are coated
Layer, has an adverse effect to electrolysis；Crucible 5 is removably attached in connecting shaft 2, and charging and draw operation are convenient.To sum up, originally
The fused salt electrolysis apparatus 1000 of inventive embodiments can be realized automation agitating function, and it is strong to greatly reduce hand labor
Degree, avoids operating personnel from operating in hazardous environment, and not only structure is simply convenient for operating, and electrolytic efficiency is high, metal recovery
Rate is high.
According to one embodiment of present invention, it is not contacted between the internal perisporium of the outer peripheral surface with through-hole 104 of connecting shaft 2, by
This, is avoided generating friction between connecting shaft 2 and the internal perisporium of through-hole 104, influences the horizontal rotation of connecting shaft 2 Yu crucible 5.
According to one embodiment of present invention, further include turntable 4, turntable 4 is horizontally set in furnace chamber 103, turntable 4 with plus
It is not contacted between hot stove 1, the lower surface of turntable 4 and the upper end of connecting shaft 2 are fixed, and the bottom of crucible 5 and the upper surface of turntable 4 can
It is removedly fixed.It is understood that the upper and lower surfaces of turntable 4 are solid with 5 bottom of crucible and 2 upper end of connecting shaft respectively
Fixed, crucible 5 and the contact surface of turntable 4 are big as a result, and crucible 5, which is placed, stablizes convenient and stability of rotation.
Further embodiment according to the present invention is formed with positioning groove 401 or located cavity on the upper surface of turntable 4
(not shown), the bottom of crucible 5 are equipped with the locating piece 501 being adapted to positioning groove 401 or located cavity, the bottom of crucible 5
It is the cooperation of locating piece 501 in positioning groove 401 or located cavity that portion and turntable 4, which are removably secured mode,.It is understood that
It is that the locating piece 501 of the bottom of the positioning groove 401 or located cavity on the upper surface of turntable 4 and crucible 5 cooperates, dress
With simple, when placing crucible 5, rapidly and accurately crucible 5 can be engaged with turntable 4, be rotated horizontally in turntable 4 and crucible 5
When, crucible 5 can be clamped on turntable 4 so that 5 stability of rotation of crucible and can be avoided crucible 5 displacement.
According to one embodiment of present invention, mixing baffle 3 include upper cross plate 301 and riser 302, the one of upper cross plate 301
End is fixed on the top of the side wall 102 of heating furnace 1, and the upper end of the other end and riser 302 of upper cross plate 301 is fixed, and riser 302 is worn
Cross the upper opening of crucible 5, the lower end of riser 302 is close to the bottom of crucible 5.It is understood that mixing baffle 3 passes through upper cross
Plate 301 is fixed, and when crucible 5 rotates horizontally, the riser 302 of mixing baffle 3 plays stirring action, riser to molten salt electrolyte 12
302 lower end can be stirred the molten salt electrolyte 12 of 5 bottom of crucible, close to 5 bottom of crucible so that in crucible 5
Molten salt electrolyte 12 is stirred, and effectively improves the mass-transfer efficiency of rare metal and alloy in liquid cathode, and then improve
Electrolytic efficiency.
It should be noted that mixing baffle 3 is made of non electrically conductive material, mixing baffle 3 can be ceramics.
Further embodiment according to the present invention, riser 302 is close to the inner sidewall 102 of crucible 5, and electrode 10 is sharp as a result,
It is larger with space, it can easily be hanged on 5 top of crucible and set electrode 10, riser 302 will not generate the normal operation of electrode 10
Adverse effect.
Further embodiment, mixing baffle 3 further include lower cross plate 303 according to the present invention, and lower cross plate 303 is located at riser
302 inside and fixed close to the bottom of crucible 5, one end of lower cross plate 303 and the lower end of riser 302, lower cross plate 303 it is another
One end is free end, and the lower cross plate 303 of mixing baffle 3 can stir the molten salt electrolyte 12 of 5 bottom centre of crucible as a result,
It mixes, so that the molten salt electrolyte 12 in crucible 5 is stirred more uniform, rare metal and alloy can be effectively improved in liquid
Mass-transfer efficiency in cathode, and then improve electrolytic efficiency.
Further embodiment, mixing baffle 3 have one or more according to the present invention.Specifically, of mixing baffle 3
Number determines according to the actual situation.
According to one embodiment of present invention, driving assembly 6 includes reduction gearbox 601 and motor 602, and reduction gearbox 601 has
The input terminal of input terminal and output end, reduction gearbox 601 is connected with motor 602, under the output end and connecting shaft 2 of reduction gearbox 601
End is connected.It is understood that motor 602, reduction gearbox 601 and connecting shaft 2 are sequentially connected, motor 602 and reduction gearbox as a result,
601 can control the velocity of rotation and rotation direction of connecting shaft 2, enable crucible 5 velocity of rotation and rotation direction therewith
Change.
According to some embodiments of the present invention, further include conducting ring 9, conducting ring 9 be set on the outer peripheral surface of connecting shaft 2 and
Positioned at the lower section of the bottom wall 101 of heating furnace 1, connecting shaft 2 and crucible 5 are electric conductor, between connecting shaft 2 and conducting ring 9 and
It is electrically connected between connecting shaft 2 and crucible 5, the upper end of conducting ring 9 and electrode 10 passes through conducting wire 11 and the first power supply 7 respectively
Anode and cathode are electrically connected.It is understood that conducting ring 9 is connect by conducting wire 11 with the positive or negative pole of the first power supply 7,
Conducting ring 9 is set on 2 outer peripheral surface of connecting shaft, is avoided the rotation of connecting shaft 2 with conducting ring 9 and is generated friction, so that 9 He of conducting ring
Conducting wire 11 is wound, and connecting shaft 2 is fixedly connected with crucible 5 and connecting shaft 2 and crucible 5 are all conductive, and crucible 5 can be used as molten as a result,
The positive or negative pole that salt electrolyte 12 is electrolysed；Electrode 10 is connect by conducting wire 11 with the cathode of the first power supply 7 or anode, as a result,
Electrode 10 can be used as the cathode or anode of the electrolysis of molten salt electrolyte 12；Driving assembly 6 is drivingly connected axis 2 and rotates horizontally, crucible 5
It rotates with, mixing baffle 3 is stirred molten salt electrolyte 12, and electrode 10 is with crucible 5 respectively as the anode of cell reaction
And cathode, molten salt electrolyte 12 is electrolysed, so that rare metal be precipitated.
It should be noted that electrode 10 can be connect with the positive or negative pole of the first power supply 7, conducting ring 9 can be with first
The cathode of power supply 7 or anode connection.
According to some embodiments of the present invention, electrode 10 includes positive electrode 1001 and negative electrode 1002,1001 He of positive electrode
Negative electrode 1002 is arranged at interval, and the lower end of positive electrode 1001 and the lower end of negative electrode 1002 are close to the bottom of crucible 5, just
The upper end of electrode 1001 and the upper end of negative electrode 1002 pass through conducting wire 11 respectively and the anode and cathode of second source 8 electrically connect
It connects.It is understood that positive electrode 1001 and negative electrode 1002 are all suspended at 5 top of crucible and respectively by conducting wire 11 and second
The anode and cathode of power supply 8 are electrically connected, and driving assembly 6 is drivingly connected axis 2 and rotates horizontally, and crucible 5 rotates with, mixing baffle
3 pairs of molten salt electrolytes 12 are stirred, and positive electrode 1001 is electrolysed molten salt electrolyte 12 with negative electrode 1002, to be precipitated
Rare metal, the lower end of positive electrode 1001 and the lower end of negative electrode 1002 are close to the bottom of crucible 5, so that molten salt electrolyte 12
What is be electrolysed is more complete, and metal recovery rate is high.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (11)
1. a kind of fused salt electrolysis apparatus characterized by comprising
Heating furnace, the heating furnace include the side wall that bottom wall and the peripheral portion from the bottom wall upwardly extend, the bottom wall and institute
It states side wall and limits furnace chamber, the bottom wall is equipped with through-hole；
Connecting shaft, the connecting shaft vertically pass through the through-hole and can horizontally rotate, and the upper end of the connecting shaft is located at the furnace
Intracavitary, the lower end of the connecting shaft is located at the lower section of the bottom wall；
Crucible, the crucible are arranged in the furnace chamber, do not contact between the crucible and the heating furnace, the crucible is removable
It is fixed on the upper end of the connecting shaft with unloading, the crucible has upper opening；
Mixing baffle, the mixing baffle pass through the upper opening of the crucible, and the lower end of the mixing baffle is located at described
In crucible, the upper end of the mixing baffle is fixed on the top of the side wall of the heating furnace；
Electrode, the electrode are suspended in the crucible, and between the electrode and the crucible and the electrode is stirred with described
It mixes and is not contacted between baffle；
Driving assembly, the driving component are connected with the lower end of the connecting shaft, to drive the connecting shaft and the crucible same
Step horizontally rotates.
2. fused salt electrolysis apparatus according to claim 1, which is characterized in that the outer peripheral surface of the connecting shaft and the through-hole
Internal perisporium between do not contact.
3. fused salt electrolysis apparatus according to claim 1, which is characterized in that further include turntable, the turntable is horizontally disposed
It in the furnace chamber, is not contacted between the turntable and the heating furnace, the lower surface of the turntable is upper with the connecting shaft
End is fixed, and the bottom of the crucible and the upper surface of the turntable are removably secured.
4. fused salt electrolysis apparatus according to claim 3, which is characterized in that be formed with positioning on the upper surface of the turntable
Groove or located cavity, the bottom of the crucible are equipped with the locating piece being adapted to the positioning groove or the located cavity, institute
State the bottom of crucible and the turntable to be removably secured mode be locating piece cooperation in the positioning groove or described fixed
In the cavity of position.
5. fused salt electrolysis apparatus according to claim 1, which is characterized in that the mixing baffle includes upper cross plate and erects
Plate, one end of the upper cross plate are fixed on the top of the side wall of the heating furnace, the other end of the upper cross plate with it is described
The upper end of riser is fixed, and the riser passes through the upper opening of the crucible, and the lower end of the riser is close to the crucible
Bottom.
6. fused salt electrolysis apparatus according to claim 5, which is characterized in that the riser is close to described in the crucible
Inner sidewall.
7. fused salt electrolysis apparatus according to claim 6, which is characterized in that the mixing baffle further includes lower cross plate, institute
It states lower cross plate and is located at the inside of the riser and close to the bottom of the crucible, one end of the lower cross plate and the riser
Lower end is fixed, and the other end of the lower cross plate is free end.
8. fused salt electrolysis apparatus according to claim 7, which is characterized in that the mixing baffle has one or more.
9. fused salt electrolysis apparatus according to claim 1, which is characterized in that the driving component includes reduction gearbox and electricity
Machine, the reduction gearbox have input terminal and output end, and the input terminal of the reduction gearbox is connected with the motor, the deceleration
The output end of case is connected with the lower end of the connecting shaft.
10. fused salt electrolysis apparatus described in any one of -9 according to claim 1, which is characterized in that it further include conducting ring, institute
It states conducting ring and is set in the lower section on the outer peripheral surface of the connecting shaft and being located at the bottom wall of the heating furnace, the connecting shaft
It is electric conductor with the crucible, between the connecting shaft and the conducting ring and between the connecting shaft and the crucible
It is electrically connected, the anode and cathode that the upper end of the conducting ring and the electrode passes through conducting wire and the first power supply respectively electrically connect
It connects.
11. fused salt electrolysis apparatus described in any one of -9 according to claim 1, which is characterized in that the electrode includes just
Electrode and negative electrode, the positive electrode and the negative electrode are arranged at interval, the lower end of the positive electrode and the negative electrode
Lower end close to the bottom of the crucible, the upper end of the upper end of the positive electrode and the negative electrode passes through conducting wire and respectively
The anode and cathode of two power supplys are electrically connected.
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|---|---|---|---|
| CN201910918742.5A CN110499520A (en) | 2019-09-26 | 2019-09-26 | Fused salt electrolysis apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918742.5A CN110499520A (en) | 2019-09-26 | 2019-09-26 | Fused salt electrolysis apparatus |
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| CN110499520A true CN110499520A (en) | 2019-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251663A (en) * | 2021-05-19 | 2021-08-13 | 中国电建集团江西装备有限公司 | High-temperature molten salt storage tank preheating and heating device and method |
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