CN208532947U - A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal - Google Patents
A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal Download PDFInfo
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- CN208532947U CN208532947U CN201820849201.2U CN201820849201U CN208532947U CN 208532947 U CN208532947 U CN 208532947U CN 201820849201 U CN201820849201 U CN 201820849201U CN 208532947 U CN208532947 U CN 208532947U
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- Prior art keywords
- fused salt
- black
- ito
- bell
- furnace body
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- 150000003839 salts Chemical class 0.000 title claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 48
- 239000002184 metal Substances 0.000 title claims abstract description 48
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 33
- 229910052738 indium Inorganic materials 0.000 title claims abstract description 31
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 45
- 239000010439 graphite Substances 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011261 inert gas Substances 0.000 claims abstract description 28
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 230000009970 fire resistant effect Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000005619 thermoelectricity Effects 0.000 claims description 4
- 239000003708 ampul Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000036647 reaction Effects 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 15
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 235000011164 potassium chloride Nutrition 0.000 description 7
- 239000001103 potassium chloride Substances 0.000 description 7
- 230000005496 eutectics Effects 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- 239000001307 helium Substances 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- OLNXARFGZAXAHP-UHFFFAOYSA-N antimony(3+) indium(3+) oxygen(2-) Chemical compound [O--].[O--].[O--].[In+3].[Sb+3] OLNXARFGZAXAHP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to a kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, belong to fused salt electrolysis apparatus technical field.The device includes furnace body, resistive heater, refractory insulating layer, black-fead crucible, graphite anode, graphite pallet, conductive metal stick, inert gas cavity I, air inlet, liquid metal cathode, fused salt, feed opening, inert gas cavity II, bell, gas vent.The utility model can increase cell reaction contact area using liquid metal cathode, and electrolytic production of metals is directly entered liquid metal cathode, will not be wrapped in ITO powder surface and hinder reaction;ITO is set to be reduced to the whole process safety and environmental protection of indium metal using the device of the utility model, no pernicious gas and harmful waste water generate.
Description
Technical field
The utility model relates to a kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, belong to fused salt electrolysis apparatus skill
Art field.
Background technique
Indium is a kind of important electronic industrial material, mainly for the production of ITO target.Indium oxide is in ITO(indium oxide antimony)
In content be about 90%, since indium belongs to scarce resource, and the recycling and reusing of indium is then particularly important.Currently, ITO target
The utilization rate of material sputter coating is generally 30%, and remainder becomes ITO waste material, and generated in ITO production leftover pieces, cut
It cuts, waste product etc. all can serve as the secondary resource of indium production.Currently, for the method that indium metal is extracted in recycling from ITO waste material
It mainly include that acid extracting, ion-exchange, solvent extraction etc. chemically and physically purify the process integration combined.Using fused salt
Electrolysis method is reduced directly ITO waste material, whole process safety and environmental protection, the indium meeting that no pernicious gas and harmful waste water are generated, but restored
Being wrapped in ITO powder surface hinders reaction to carry out, and reaction rate and current efficiency is caused to decline.
Utility model content
The utility model is directed to prior art ITO(indium oxide antimony) current efficiency is low in electrolytic process and reaction rate is slow etc.
Problem, provides a kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, and the utility model can be increased using liquid metal cathode
Cell reaction contact area, electrolytic production of metals are directly entered liquid metal cathode, will not be wrapped in ITO powder surface and hinder instead
It answers;ITO is set to be reduced to the whole process safety and environmental protection of indium metal using the device of the utility model, no pernicious gas and nocuousness are useless
Water generates.
The utility model be solve its technical problem and the technical solution adopted is that:
A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, including furnace body 1, resistive heater 2, refractory insulating layer
3, black-fead crucible 4, graphite anode 5, graphite pallet 6, conductive metal stick 7, inert gas cavity I 9, air inlet 10, liquid metal yin
Pole 11, fused salt 13, feed opening 16, inert gas cavity II 19, bell 21, gas vent 20, bell 21 are arranged in 1 top of furnace body, furnace
1 inner wall of body is provided with refractory insulating layer 3, and several layers resistive heater 2, adding thermal resistance are evenly arranged with inside refractory insulating layer 3
2 external heating power supplies of silk, 1 bottom wall of furnace body middle part are vertically arranged with the conductive metal stick 7 across 1 bottom wall of furnace body, conductive metal stick 7
Bottom end connected by the cathode of cathode wire and electrolysis power, 7 top of conductive metal stick is fixedly installed graphite pallet 6, stone
Black crucible 4 is fixed at 6 top of graphite pallet and black-fead crucible 4 is located at 1 middle part of furnace body, and the inner sidewall of black-fead crucible 4 is also set
It is equipped with fire resistant heat preserving liner 12, the setting of liquid metal cathode 11 is arranged in 4 bottom of black-fead crucible, fused salt 13 in liquid metal cathode
In the black-fead crucible 4 on 11 tops, the cavity between 1 bottom wall of 4 bottom wall of black-fead crucible and furnace body is inert gas cavity I 9,1 bottom of furnace body
Wall is provided with the air inlet 10 being connected to inert gas cavity I 9, and the cavity between fused salt 13 and bell 21 is inert gas cavity II
19, graphite anode 5 is immersed in the center on 13 top of fused salt, and the top of graphite anode 5 is connect with positive wire 17, positive wire 17
Across the anode of the external electrolysis power of bell 21;Feed opening 16, gas vent 20 are arranged on bell 21, feed opening 16, exhaust
Hole 20 is connected to in furnace body 1;
Further, 21 center of bell is additionally provided with positive wire insertion hole 18, and positive wire 17 is led across anode
The anode of the external electrolysis power of line pluging handhole 18;
Further, the fused salt electrolysis apparatus further includes charging sealing-plug, positive wire insertion hole sealing-plug, is fed close
Blocking, positive wire insertion hole sealing-plug are sealed with feed opening 16, the positive wire insertion cooperation of hole 18 respectively.
Further, the fused salt electrolysis apparatus further includes protecting tube 14 and thermocouple digital display thermometer 15, heat
Galvanic couple protection pipe 14 is vertically arranged on bell 21, and protecting tube 14 passes through bell 21 and extended in fused salt 13 down,
Thermocouple digital display thermometer 15 is arranged in protecting tube 14 and the probe of thermocouple digital display thermometer 15 is located at thermocouple
The lower part of protection pipe 14;
Further, the protecting tube 14 is quartz ampoule or alundum tube;
Further, the black-fead crucible 4 is cylindrical structure, and fire resistant heat preserving liner 12 includes that corundum round tube and cement are filled out
Layer is filled, corundum round tube is arranged in black-fead crucible 4, and cement filled layer is arranged between 4 inner wall of alundum tube and black-fead crucible;
Further, the refractory insulating layer 3 is the refractory insulating layer that electric furnace carries;
The liquid metal cathode 11 is the metal bath of indium or tin;
The fused salt 13 is according to lithium chloride and potassium chloride eutectic point, lithium chloride and chlorine disclosed in FactSage database
Changing the molar ratio that potassium eutectic point is lithium chloride and potassium chloride is 58.2:41.8;
4 inner sidewall of black-fead crucible is provided with fire resistant heat preserving liner 12 in the utility model, makes the side wall of its black-fead crucible 4 not
Conduction, the liquid metal cathode of 4 bottom of black-fead crucible only pass through the bottom wall of black-fead crucible 4, graphite pallet, conductive metal stick and yin
Polar conductor electrical connection;
The application method of the utility model:
(1) alundum tube is inserted into graphite crucible 4, then between graphite crucible 4 and alundum tube filling concrete formed it is resistance to
Fiery insulating lining;
(2) conductive metal stick 7 is fixed on to the bottom wall of furnace body 1 vertically, graphite pallet 6 is fixed on the top of conductive metal stick 7
End;The graphite crucible 4 of step (1) is placed on graphite pallet 6;Liquid metal cathode 11 is sequentially added in graphite crucible 4
With fused salt 13;
(3) positive wire that the positive wire of graphite anode passes through bell is inserted into hole, and hole is inserted into using positive wire
Sealing-plug is fixed and seals, and the lower end of protecting tube 14 is passed through bell and is fixed on bell vertically, then will
Bell is placed on furnace body, and thermocouple digital display thermometer 15 is put into protecting tube 14;
(4) ITO raw material 8 is added to by fused salt 13 by the feed opening on bell, using charging sealing-plug to feed opening into
Row sealing;
(5) be passed through inert gas (nitrogen or helium) from air inlet 10, inert gas in inert gas cavity I 9 (nitrogen or
Helium) gap between furnace body 1 and graphite crucible 4 enters in inert gas cavity II 19, and drain the intracorporal air of furnace;
(6) fused salt in graphite crucible is heated by furnace intracorporal resistive heater, thermocouple digital display thermometer 15 is examined
It measures when temperature of molten salt reaches 450 DEG C and is kept the temperature, and molten-salt electrolysis is carried out to graphite anode and liquid metal cathode making alive,
Indium metal is gathered in the liquid metal electrode of bottom.
Inert gas (nitrogen or helium) can protect indium metal not oxidized;
The utility model has the beneficial effects that
(1) the utility model can increase cell reaction contact area using liquid metal cathode, and electrolytic production of metals is direct
Into liquid metal cathode, ITO powder surface will not be wrapped in and hinder reaction;
(2) device of the utility model is for restoring ITO powder recycling indium metal in whole process safety and environmental protection, without harmful gas
Body and harmful waste water generate;
(3) inert gas air inlet and inert gas tap being arranged in the utility model can make cell reaction in indifferent gas
Body protection is lower to be carried out, and be can effectively prevent indium and is oxidized;
(4) the utility model device is simple, cheap.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the fused salt electrolysis apparatus that ITO is reduced to indium metal by embodiment;
Wherein: 1- furnace body, 2- resistive heater, 3- refractory insulating layer, 4- black-fead crucible, 5- graphite anode, 6- graphite support
Disk, 7- conductive metal stick, 8-ITO raw material, 9- inert gas cavity I, 10- air inlet, 11- liquid metal cathode, 12- fire resistant heat preserving
Liner, 13- fused salt, 14- protecting tube, 15- thermocouple digital display thermometer, 16- feed opening, 17- positive wire, 18- sun
Polar conductor is inserted into hole, 19- inert gas cavity II, 20- gas vent, 21- bell.
Specific embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, including furnace body 1, heating
Resistance wire 2, refractory insulating layer 3, black-fead crucible 4, graphite anode 5, graphite pallet 6, conductive metal stick 7, inert gas cavity I 9, into
Stomata 10, liquid metal cathode 11, fused salt 13, feed opening 16, inert gas cavity II 19, bell 21, gas vent 20, bell 21 are set
It sets on 1 top of furnace body, 1 inner wall of furnace body is provided with refractory insulating layer 3, and several layers heating is evenly arranged with inside refractory insulating layer 3
Resistance wire 2, the external heating power supply of resistive heater 2,1 bottom wall of furnace body middle part are vertically arranged with the conductive gold across 1 bottom wall of furnace body
Belong to stick 7, the bottom end of conductive metal stick 7 is connected by the cathode of cathode wire and electrolysis power, and the fixation of 7 top of conductive metal stick is set
It is equipped with graphite pallet 6, black-fead crucible 4 is fixed at 6 top of graphite pallet and black-fead crucible 4 is located at 1 middle part of furnace body, graphite earthenware
The inner sidewall of pot 4 is additionally provided with fire resistant heat preserving liner 12, and liquid metal cathode 11 is arranged in 4 bottom of black-fead crucible, and fused salt 13 is set
It sets in the black-fead crucible 4 on 11 top of liquid metal cathode, the cavity between 1 bottom wall of 4 bottom wall of black-fead crucible and furnace body is inertia
Air chamber I 9,1 bottom wall of furnace body are provided with the air inlet 10 being connected to inert gas cavity I 9, the cavity between fused salt 13 and bell 21
For inert gas cavity II 19, graphite anode 5 is immersed in the center on 13 top of fused salt, the top of graphite anode 5 and positive wire 17
Connection, positive wire 17 pass through the anode of the external electrolysis power of bell 21;Feed opening 16, gas vent 20 are arranged at bell 21
On, feed opening 16, gas vent 20 are connected to in furnace body 1;
21 center of bell described in the present embodiment is additionally provided with positive wire insertion hole 18, and positive wire 17 passes through positive wire
It is inserted into the anode of the external electrolysis power in hole 18;
Fused salt electrolysis apparatus described in the present embodiment further includes charging sealing-plug, positive wire insertion hole sealing-plug, is fed close
Blocking, positive wire insertion hole sealing-plug are sealed with feed opening 16, the positive wire insertion cooperation of hole 18 respectively;
Fused salt electrolysis apparatus described in the present embodiment further includes protecting tube 14 and thermocouple digital display thermometer 15, thermoelectricity
Even protection pipe 14 is vertically arranged on bell 21, and protecting tube 14 passes through bell 21 and extended in fused salt 13 down, heat
Galvanic couple digital display thermometer 15 is arranged in protecting tube 14 and the probe of thermocouple digital display thermometer 15 is located at thermocouple guarantor
The lower part of pillar 14;
Protecting tube 14 described in the present embodiment is quartz ampoule, can also use alundum tube;
Black-fead crucible 4 described in the present embodiment is cylindrical structure, and fire resistant heat preserving liner 12 includes that corundum round tube and cement are filled out
Layer is filled, corundum round tube is arranged in black-fead crucible 4, and cement filled layer is arranged between 4 inner wall of alundum tube and black-fead crucible;
Refractory insulating layer 3 described in the present embodiment is the refractory insulating layer that electric furnace carries;
Liquid metal cathode 11 described in the present embodiment is the metal bath of indium, can also use the metal bath of tin;
Fused salt 13 described in the present embodiment is according to lithium chloride and potassium chloride eutectic point disclosed in FactSage database, chlorine
Changing the molar ratio that lithium and potassium chloride eutectic point are lithium chloride and potassium chloride is 58.2:41.8;
4 inner sidewall of black-fead crucible is provided with fire resistant heat preserving liner 12 in the present embodiment, leads the side wall of its black-fead crucible 4 not
Electricity, the liquid metal cathode of 4 bottom of black-fead crucible only pass through the bottom wall of black-fead crucible 4, graphite pallet, conductive metal stick and cathode
Conducting wire electrical connection;
ITO is reduced to the application method of the fused salt electrolysis apparatus of indium metal by the present embodiment:
(1) alundum tube is inserted into graphite crucible 4, then between graphite crucible 4 and alundum tube filling concrete formed it is resistance to
Fiery insulating lining;
(2) conductive metal stick 7 is fixed on to the bottom wall of furnace body 1 vertically, graphite pallet 6 is fixed on the top of conductive metal stick 7
End;The graphite crucible 4 of step (1) is placed on graphite pallet 6;Liquid metal cathode 11 is sequentially added in graphite crucible 4
(metal bath of indium) and fused salt 13 be lithium chloride and potassium chloride eutectic point (molar ratio of lithium chloride and potassium chloride is 58.2:
41.8);
(3) positive wire that the positive wire of graphite anode passes through bell is inserted into hole, and hole is inserted into using positive wire
Sealing-plug is fixed and seals, and the lower end of protecting tube 14 is passed through bell and is fixed on bell vertically, then will
Bell is placed on furnace body, and thermocouple digital display thermometer 15 is put into protecting tube 14;
(4) ITO raw material 8 is added in fused salt 13 by the feed opening on bell, using charging sealing-plug to feed opening
It is sealed;
(5) be passed through inert gas (nitrogen or helium) from air inlet 10, inert gas in inert gas cavity I 9 (nitrogen or
Helium) gap between furnace body 1 and graphite crucible 4 enters in inert gas cavity II 19, and drain the intracorporal air of furnace;
(6) fused salt in graphite crucible is heated by furnace intracorporal resistive heater, thermocouple digital display thermometer 15 is examined
It measures when temperature of molten salt reaches 450 DEG C and is kept the temperature, and molten-salt electrolysis is carried out to graphite anode and liquid metal cathode making alive,
Indium metal is gathered in the liquid metal electrode of bottom.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.
Claims (6)
1. a kind of fused salt electrolysis apparatus that ITO is reduced to indium metal, it is characterised in that: including furnace body (1), resistive heater
(2), refractory insulating layer (3), black-fead crucible (4), graphite anode (5), graphite pallet (6), conductive metal stick (7), inert gas
Chamber I (9), air inlet (10), liquid metal cathode (11), fused salt (13), feed opening (16), inert gas cavity II (19), bell
(21), gas vent (20), bell (21) are arranged on furnace body (1) top, and furnace body (1) inner wall is provided with refractory insulating layer (3), fire resisting
It is evenly arranged with several layers resistive heater (2) inside insulating layer (3), resistive heater (2) external heating power supply, furnace body (1)
It is vertically arranged with the conductive metal stick (7) across furnace body (1) bottom wall in the middle part of bottom wall, the bottom end of conductive metal stick (7) passes through cathode
The connection of the cathode of conducting wire and electrolysis power, conductive metal stick (7) top are fixedly installed graphite pallet (6), and black-fead crucible (4) is solid
Fixed setting is on graphite pallet (6) top and black-fead crucible (4) is located at furnace body (1) middle part, and the inner sidewall of black-fead crucible (4) is also set up
Have fire resistant heat preserving liner (12), liquid metal cathode (11) setting is in black-fead crucible (4) bottom, and fused salt (13) setting is in liquid gold
In the black-fead crucible (4) for belonging to cathode (11) top, the cavity between black-fead crucible (4) bottom wall and furnace body (1) bottom wall is indifferent gas
Body cavity I (9), furnace body (1) bottom wall are provided with the air inlet (10) being connected to inert gas cavity I (9), fused salt (13) and bell (21)
Between cavity be inert gas cavity II (19), graphite anode (5) is immersed in the center on fused salt (13) top, graphite anode (5)
Top connect with positive wire (17), positive wire (17) pass through bell (21) external electrolysis power anode;Feed opening
(16), gas vent (20) is arranged on bell (21), feed opening (16), gas vent (20) with furnace body (1) in be connected to.
2. ITO to be reduced to the fused salt electrolysis apparatus of indium metal according to claim 1, it is characterised in that: in bell (21)
The heart is additionally provided with positive wire insertion hole (18), and positive wire (17) passes through positive wire insertion hole (18) external electrolysis power
Anode.
3. ITO to be reduced to the fused salt electrolysis apparatus of indium metal according to claim 2, it is characterised in that: further include charging
Sealing-plug, positive wire be inserted into hole sealing-plug, charging sealing-plug, positive wire insertion hole sealing-plug respectively with feed opening (16),
Positive wire is inserted into hole (18) cooperation sealing.
4. ITO to be reduced to the fused salt electrolysis apparatus of indium metal according to claim 1, it is characterised in that: further include thermoelectricity
Even protection pipe (14) and thermocouple digital display thermometer (15), protecting tube (14) are vertically arranged on bell (21), thermoelectricity
Even protection pipe (14) passes through bell (21) and is extended in fused salt (13) down, and thermocouple digital display thermometer (15) is arranged in thermoelectricity
In even protection pipe (14) and the probe of thermocouple digital display thermometer (15) is located at the lower part of protecting tube (14).
5. ITO to be reduced to the fused salt electrolysis apparatus of indium metal according to claim 4, it is characterised in that: thermocouple protection
Managing (14) is quartz ampoule or alundum tube.
6. ITO to be reduced to the fused salt electrolysis apparatus of indium metal according to claim 1, it is characterised in that: black-fead crucible (4)
For cylindrical structure, fire resistant heat preserving liner (12) includes corundum round tube and cement filled layer, and corundum round tube is arranged in black-fead crucible
(4) in, cement filled layer is set between alundum tube and black-fead crucible (4) inner wall.
Priority Applications (1)
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CN201820849201.2U CN208532947U (en) | 2018-06-04 | 2018-06-04 | A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal |
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CN201820849201.2U CN208532947U (en) | 2018-06-04 | 2018-06-04 | A kind of fused salt electrolysis apparatus that ITO is reduced to indium metal |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110760893A (en) * | 2019-11-22 | 2020-02-07 | 龙南龙钇重稀土科技股份有限公司 | Continuous suspension type electrolysis device |
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2018
- 2018-06-04 CN CN201820849201.2U patent/CN208532947U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110760893A (en) * | 2019-11-22 | 2020-02-07 | 龙南龙钇重稀土科技股份有限公司 | Continuous suspension type electrolysis device |
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