CN203700537U - Electrolyzer for preparing sodium metal by using melted sodium hydroxide - Google Patents
Electrolyzer for preparing sodium metal by using melted sodium hydroxide Download PDFInfo
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- CN203700537U CN203700537U CN201420060192.0U CN201420060192U CN203700537U CN 203700537 U CN203700537 U CN 203700537U CN 201420060192 U CN201420060192 U CN 201420060192U CN 203700537 U CN203700537 U CN 203700537U
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- electrolyzer
- sodium
- pipe
- diaphragm
- row
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims abstract description 60
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000011734 sodium Substances 0.000 claims abstract description 56
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 55
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 54
- 238000013022 venting Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000005868 electrolysis reaction Methods 0.000 abstract description 21
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 229910006587 β-Al2O3 Inorganic materials 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 230000004927 fusion Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 229910001948 sodium oxide Inorganic materials 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- -1 hydrogen sodium oxide Chemical class 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- ZBNMBCAMIKHDAA-UHFFFAOYSA-N sodium superoxide Chemical compound [Na+].O=O ZBNMBCAMIKHDAA-UHFFFAOYSA-N 0.000 description 1
- 229910000144 sodium(I) superoxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to an electrolyzer for preparing sodium metal by using melted sodium hydroxide. Gas outlets are formed in the electrolyzer, therefore, that the gas produced during electrolysis can be discharged timely is ensured; a limiting hole is formed in the pipe wall of a sodium discharging pipe in a catholyte cavity; during the using process of the electrolyzer, the sodium discharging pipe is inserted into the bottom of catholyte, so as to enable the limiting hole to be positioned in the junction of the sodium discharging pipe and the catholyte, therefore, that the electrolytic reaction of the electrolyzer is performed smoothly can be ensured, and the safety performance of the electrolyzer is improved; a shielding gas inlet is formed in the top of a Na-beta-Al2O3 diaphragm tube, so that the catholyte which is produced by electrolysis and higher than the limiting hole in position is enabled to be pressed into a sodium metal collector timely by feeding shielding gas with certain pressure.
Description
Technical field
The utility model relates to a kind of electrolyzer, and more particularly, the utility model relates to a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5, belongs to the electrolytic preparation device technique field of sodium Metal 99.5.
Background technology
Sodium is important source material or the material of the industry such as chemical industry, metallurgy, nuclear power and national defence.It is electroplated with sodium cyanide, sodium peroxide SYNTHETIC OPTICAL WHITNER for, manufacture new forms of energy sodium-sulphur battery for making, and reduces rare metal from scarce metallic compound, and the oxygenate sodium superoxide on thermal barrier and the submarine of nuclear reactor is used as in national defense industry.
The commercial run that China's sodium processed is used at present has this (Downs) method of east of electrolyzing fused sodium-chlor and Castner (Caotner) method of electrolyzing fused sodium hydroxide.Karst nanofarad service temperature is low, device structure is simple, but this method has current efficiency low (theoretical value only has 50%), and power consumption is large, the shortcoming that cost is high.Dong Sifa is the main production method in the world, and it has the advantages such as current efficiency is high, power consumption is little, raw material consumption is low, is the weak point of Dong Sifa but service temperature is high, consumption of electrode large, facility investment expense is high, product purity is low.
It is CN202898560U that State Intellectual Property Office discloses a notification number in 2013.4.24, name is called the utility model patent of " a kind of fusion electrolysis device for the preparation of sodium Metal 99.5 ", this patent relates to a kind of fusion electrolysis device for the preparation of sodium Metal 99.5, belongs to the electrolytic preparation device technique field of sodium Metal 99.5.Comprise heating unit, electrolyzer, anode, the negative electrode of anodolyte is housed and the diaphragm tube of catholyte is housed, described electrolyzer is arranged in heating unit, described diaphragm tube and anode are in electrolyzer is inserted at electrolyzer top and partial insertion anodolyte, expose outside electrolyzer at described diaphragm tube and the top of anode, and described diaphragm tube is Na-β-Al
2o
3diaphragm tube, described negative electrode inserts diaphragm tube and partial insertion catholyte from the top of diaphragm tube, expose outside diaphragm tube at the top of negative electrode, the top of diaphragm tube is also provided with the row's sodium pipe for discharging sodium Metal 99.5, this device in the time carrying out electrolytic reaction almost without side reaction, reaction efficiency approaches 100%, and energy consumption is low, the sodium Metal 99.5 purity of producing higher.
Although the fusion electrolysis device of preparing sodium Metal 99.5 in above-mentioned patent has solved some problems that current electrolysis is prepared sodium Metal 99.5, but the gas producing while still there is electrolysis can not be discharged in time, electrolytic reaction, row are steady not when sodium, cause the not high problem of security of electrolyzer.
Utility model content
The gas that the utility model is intended to produce while solving the fusion electrolysis device electrolysis of preparing sodium Metal 99.5 of the prior art can not be discharged in time, steady not when electrolytic reaction, row's sodium, cause the not high problem of security of electrolyzer, a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 is provided, can improves smoothness and the security of electrolytic reaction.
To achieve these goals, the technical solution of the utility model is as follows:
Utilize molten sodium hydroxide to prepare an electrolyzer for sodium Metal 99.5, comprise electrolyzer, heating unit, Na-β-Al
2o
3diaphragm pipe, negative electrode and anode, is characterized in that: described electrolyzer is placed on heating unit, and the top of electrolyzer is provided with anodolyte dog-house, and the inside of electrolyzer is anodolyte chamber, described Na-β-Al
2o
3diaphragm pipe and anode are inserted in anodolyte chamber from the top of electrolyzer, Na-β-Al
2o
3expose outside electrolyzer at the top of diaphragm pipe and anode, and electrolyzer top is also provided with venting port, and described venting port is arranged on anode and Na-β-Al
2o
3between diaphragm pipe; Described Na-β-Al
2o
3the inside of diaphragm pipe is catholyte chamber, and described negative electrode is from Na-β-Al
2o
3the top of diaphragm pipe is inserted in catholyte chamber, and β-Al at Na-is exposed at the top of negative electrode
2o
3outside diaphragm pipe, Na-β-Al
2o
3diaphragm pipe top is provided with gas atmosphere inlet and row's sodium pipe, and described row's sodium pipe one end is inserted in catholyte chamber, and the other end connection metal sodium collector has spacing hole on the tube wall of the row's sodium pipe in catholyte chamber.
On electrolyzer described in the utility model, be provided with thermopair, described thermopair is inserted in anodolyte chamber from the top of electrolyzer, and expose outside electrolyzer at thermopair top.
Anode described in the utility model and venting port are all 2, lay respectively at Na-β-Al
2o
3diaphragm pipe both sides, and be symmetrical arranged.
Between row's sodium pipe described in the utility model and sodium Metal 99.5 collector, adopt rotary valve to be connected.
On rotary valve described in the utility model, be provided with the shielding gas gangway being communicated with described row's sodium pipe.
The row's of being provided with sodium tube valve on row's sodium pipe between rotary valve described in the utility model and described sodium Metal 99.5 collector.
Wherein Na-β-Al
2o
3for the well known materials of this area, i.e. Beta-Al
2o
3, Na-β-Al
2o
3diaphragm tube is called again β pipe.βAl2O3 is many aluminate class that univalent cation is contained in gang.Its general formula is M
2011A1
20
3, M can be Ι in the periodic table of elements
ali, Na, K and Rb etc. in family, or can be Ι
bthe Ag of family etc., the current βAl2O3 containing Na the most with practical value in this compounds, Beta-Al
2o
3if a word, without specified otherwise, refers generally to Na-β-Al
2o
3.
Document is visible:
As if Song Shufeng, the moon coral, reed.Sodium-sulfur cell research and development key issue.DEC's comment, the 25th volume in 2011.
Wen Tinglian.βAl2O3-a kind of fast-ionic conductor.Silicate journal, general survey, the 7th volume fourth phase in 1979.
Anodolyte described in the utility model and catholyte are all solids at normal temperature, are molten state when work, and anodolyte is sodium hydroxide, and catholyte is that purity is more than or equal to 99.99% high pure sodium.
The useful technique effect that the utility model brings:
1, the gas that the electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 of the present utility model has produced while having solved the fusion electrolysis device electrolysis of preparing sodium Metal 99.5 of the prior art can not be discharged in time, electrolytic reaction, steady not when row's sodium, cause the not high problem of security of electrolyzer, owing to being provided with venting port, can ensure that the gas that electrolysis produces discharges in time, on the tube wall of the row's sodium pipe in catholyte chamber, have spacing hole, in use, row's sodium pipe inserts catholyte bottom, make spacing hole be positioned at the intersection of row's sodium pipe and catholyte, can ensure that like this electrolyzer electrolytic reaction steadily carries out, improve the safety performance of electrolyzer, Na-β-Al
2o
3diaphragm pipe top is provided with protection gas entrance, and the catholyte higher than spacing hole that can adopt the protection gas that passes into certain pressure that electrolysis is produced is pressed in sodium Metal 99.5 collector in good time.
2, not only product purity is not high for current various industrial electrolysis sodium method processed, do not reach the requirement of the industrial sectors such as nuclear power, and current efficiency is low, the problem that energy consumption is large, what the utility model provided utilizes molten sodium hydroxide to prepare the electrolyzer of sodium Metal 99.5, and the technical process high, simple in structure, that use this device of high, the processed sodium purity of current efficiency is simple.
3, diaphragm tube of the present utility model adopts Na-β-Al
2o
3diaphragm tube, Na-β-A1
2o
3be a kind of novel solid electrolyte growing up in recent ten years, its feature is under electric field action, and sodium ion can freely move therein, other ions can not or more difficult passing through, with Na-β-A1
2o
3pipe, for barrier film, is separated anode hydrogen sodium oxide and negative electrode high pure sodium, carries out fusion electrolysis and prepares operation, prepares sodium Metal 99.5, and this apparatus structure is simple, technical process is simple, and when electrolysis, almost without side reaction, current efficiency approaches 100%; Prepared sodium Metal 99.5 purity is more than 99.99%.
3, the top of the utility model electrolyzer is provided with anodolyte dog-house, can realize continuous electrolysis operation.
4, on the utility model electrolyzer, be provided with the thermopair for thermometric, can Real-Time Monitoring electrolysis temperature.
5, the utility model arranges two venting ports and can ensure anodolyte top pressure equalization, liquid level is steady, prevents anodolyte liquid level top local pressure liquid level uneven and that cause that single venting port causes the splash security incident and the corrosion component problem that cause and anode liquid level working current of flowing rhythm and that cause rises and falls and then the stationarity of impact reaction; Water vapour and oxygen that reaction produces are steadily discharged fast, and then prevent its corrosion diaphragm tube, the work-ing life of improving diaphragm tube.Two anodes are set and can solve steadily carrying out because of the uneven diaphragm tube sodian deposition causing of current density and electrolytic reaction.Because diaphragm tube is that pipe Sole anode makes diaphragm tube current density inequality around, thereby cause electrolytic reaction not steady; This surface current density that diaphragm tube faces anode is large, away from a surface current density little, because current unevenness damages diaphragm tube.Current density is crossed conference and is caused sodium to deposit in diaphragm tube, affects the work-ing life of diaphragm tube.
6, the utility model row sodium pipe adopts rotary valve apparatus with being connected of sodium Metal 99.5 collector, can be used for changing sodium Metal 99.5 collector in good time.
7, on the utility model rotary valve apparatus, be provided with shielding gas gangway, can make the emptying protection gas that is full of of whole device that do not feed in raw material, also can prevent that in the time changing sodium Metal 99.5 collector air from entering and then affecting the purity of sodium Metal 99.5.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fusion electrolysis device.
Fig. 2 is that anode of the present utility model and venting port are the structural representation while being respectively 2.
Reference numeral: 1 is that electrolyzer, 2 is that heating unit, 3 is Na-β-Al
2o
3diaphragm pipe, 4 be negative electrode, 5 for anode, 6 for anodolyte dog-house, 7 for anodolyte chamber, 8 for venting port, 9 for catholyte chamber, 10 for gas atmosphere inlet, 11 for row's sodium pipe, 12 for sodium Metal 99.5 collector, 13 for spacing hole, 14 for thermopair, 15 for rotary valve, 16 for shielding gas gangway, 17 be row's sodium tube valve.
Embodiment
embodiment 1
Utilize molten sodium hydroxide to prepare an electrolyzer for sodium Metal 99.5, comprise electrolyzer 1, heating unit 2, Na-β-Al
2o
3diaphragm pipe 3, negative electrode 4 and anode 5, described electrolyzer 1 is placed on heating unit 2, and the top of electrolyzer 1 is provided with anodolyte dog-house 6, and the inside of electrolyzer 1 is anodolyte chamber 7, described Na-β-Al
2o
3diaphragm pipe 3 and anode 5 are inserted in anodolyte chamber 7 from the top of electrolyzer 1, Na-β-Al
2o
3expose outside electrolyzer 1 at the top of diaphragm pipe 3 and anode 5, and electrolyzer 1 top is also provided with venting port 8, and described venting port 8 is arranged on anode 5 and Na-β-Al
2o
3between diaphragm pipe 3; Described Na-β-Al
2o
3the inside of diaphragm pipe 3 is catholyte chamber 9, and described negative electrode 4 is from Na-β-Al
2o
3the top of diaphragm pipe 3 is inserted in catholyte chamber 9, and β-Al at Na-is exposed at the top of negative electrode 4
2o
3outside diaphragm pipe 3, Na-β-Al
2o
3diaphragm pipe 3 tops are provided with gas atmosphere inlet 10 and row's sodium pipe 11, and described row's sodium pipe 11 one end are inserted in catholyte chamber 9, and the other end connection metal sodium collector 12 has spacing hole 13 on the tube wall of the row's sodium pipe 11 in catholyte chamber 9.
embodiment 2
Utilize molten sodium hydroxide to prepare an electrolyzer for sodium Metal 99.5, comprise electrolyzer 1, heating unit 2, Na-β-Al
2o
3diaphragm pipe 3, negative electrode 4 and anode 5, described electrolyzer 1 is placed on heating unit 2, and the top of electrolyzer 1 is provided with anodolyte dog-house 6, and the inside of electrolyzer 1 is anodolyte chamber 7, described Na-β-Al
2o
3diaphragm pipe 3 and anode 5 are inserted in anodolyte chamber 7 from the top of electrolyzer 1, Na-β-Al
2o
3expose outside electrolyzer 1 at the top of diaphragm pipe 3 and anode 5, and electrolyzer 1 top is also provided with venting port 8, and described venting port 8 is arranged on anode 5 and Na-β-Al
2o
3between diaphragm pipe 3; Described Na-β-Al
2o
3the inside of diaphragm pipe 3 is catholyte chamber 9, and described negative electrode 4 is from Na-β-Al
2o
3the top of diaphragm pipe 3 is inserted in catholyte chamber 9, and β-Al at Na-is exposed at the top of negative electrode 4
2o
3outside diaphragm pipe 3, Na-β-Al
2o
3diaphragm pipe 3 tops are provided with gas atmosphere inlet 10 and row's sodium pipe 11, and described row's sodium pipe 11 one end are inserted in catholyte chamber 9, and the other end connection metal sodium collector 12 has spacing hole 13 on the tube wall of the row's sodium pipe 11 in catholyte chamber 9.
On the basis of the above:
Preferably, on described electrolyzer 1, be provided with thermopair 14, described thermopair 14 is inserted in anodolyte chamber 7 from the top of electrolyzer 1, and expose outside electrolyzer 1 at thermopair 14 tops.
Preferably, described anode 5 and venting port 8 are all 2, lay respectively at Na-β-Al2O3 diaphragm pipe 3 both sides, and are symmetrical arranged.
Venting port can be made as 2,4 or 6, is made as symmetric position between two.Anode is two anodes or round shape, and position is symmetrical centered by diaphragm tube.
Preferably, between described row's sodium pipe 11 and sodium Metal 99.5 collector 12, adopt rotary valve 15 to be connected.
Preferably, on described rotary valve 15, be provided with the shielding gas gangway 16 being communicated with described row's sodium pipe 11.
Preferably or further, the row's of being provided with sodium tube valve 17 on the row's sodium pipe 11 between described rotary valve 15 and described sodium Metal 99.5 collector 12.
embodiment 3
For further illustrating the content of the utility model device, have embodiment to be explained in detail below in conjunction with embodiment and accompanying drawing most to of the present utility model:
As shown in Figure 1,
A kind of electrolyzer that utilizes molten sodium hydroxide to prepare high pure metal sodium.Utilize Na-β-Al
2o
3under electric field action, sodium ion can freely move therein, other ions can not or the more difficult feature of passing through; With Na-β-Al
2o
3for diaphragm tube 3 is separated the catholyte (high pure sodium) in the anodolyte in anodolyte chamber 7 (sodium hydroxide) and catholyte chamber 9, on anode 5 and negative electrode 4, pass to direct current and carry out fusion electrolysis and prepare operation, prepare high pure metal sodium.
Electrolyzer 1 is heated with heating unit 2; From anodolyte dog-house 6, feed intake and in good time hydrogen make-up sodium oxide; By thermopair 14 timely monitor temperature; The gas producing on anode 5 when electrolysis is discharged from venting port 8; The protection gas that in good time passes into certain pressure from gas atmosphere inlet 10 makes Na-β-Al
2o
3for the high pure metal sodium higher than spacing hole 13 of diaphragm tube 3 interior generations is pressed into sodium Metal 99.5 collector 12 from row's sodium pipe 11; After sodium Metal 99.5 collector 12 is collected certain high pure sodium, change in time sodium Metal 99.5 collector 12 by rotary valve 15, when replacing, protect gas to pass into from shielding gas gangway 16, prevent that air from entering screw socket place, the consecutive production of implement device.
Claims (6)
1. utilize molten sodium hydroxide to prepare an electrolyzer for sodium Metal 99.5, comprise electrolyzer (1), heating unit (2), Na-β-Al
2o
3diaphragm pipe (3), negative electrode (4) and anode (5), it is characterized in that: described electrolyzer (1) is placed on heating unit (2), the top of electrolyzer (1) is provided with anodolyte dog-house (6), and the inside of electrolyzer (1) is anodolyte chamber (7), described Na-β-Al
2o
3diaphragm pipe (3) and anode (5) are inserted in anodolyte chamber (7) from the top of electrolyzer (1), Na-β-Al
2o
3expose outside electrolyzer (1) at the top of diaphragm pipe (3) and anode (5), and electrolyzer (1) top is also provided with venting port (8), and described venting port (8) is arranged on anode (5) and Na-β-Al
2o
3between diaphragm pipe (3); Described Na-β-Al
2o
3the inside of diaphragm pipe (3) is catholyte chamber (9), and described negative electrode (4) is from Na-β-Al
2o
3the top of diaphragm pipe (3) is inserted in catholyte chamber (9), and β-Al at Na-is exposed at the top of negative electrode (4)
2o
3outside diaphragm pipe (3), Na-β-Al
2o
3diaphragm pipe (3) top is provided with gas atmosphere inlet (10) and row's sodium pipe (11); described row's sodium pipe (11) one end is inserted in catholyte chamber (9); the other end connection metal sodium collector (12), has spacing hole (13) on the tube wall of the row's sodium pipe (11) in catholyte chamber (9).
2. a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 according to claim 1, it is characterized in that: on described electrolyzer (1), be provided with thermopair (14), described thermopair (14) is inserted in anodolyte chamber (7) from the top of electrolyzer (1), and expose outside electrolyzer (1) at thermopair (14) top.
3. a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 according to claim 1, is characterized in that: described anode (5) and venting port (8) are all 2, lay respectively at Na-β-Al
2o
3diaphragm pipe (3) both sides, and be symmetrical arranged.
4. a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 according to claim 1, is characterized in that: between described row's sodium pipe (11) and sodium Metal 99.5 collector (12), adopt rotary valve (15) to be connected.
5. a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 according to claim 4, is characterized in that: on described rotary valve (15), be provided with the shielding gas gangway (16) being communicated with described row's sodium pipe (11).
6. according to a kind of electrolyzer that utilizes molten sodium hydroxide to prepare sodium Metal 99.5 described in claim 4 or 5, it is characterized in that: the row's of being provided with sodium tube valve (17) on the row's sodium pipe (11) between described rotary valve (15) and described sodium Metal 99.5 collector (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060192.0U CN203700537U (en) | 2014-02-10 | 2014-02-10 | Electrolyzer for preparing sodium metal by using melted sodium hydroxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060192.0U CN203700537U (en) | 2014-02-10 | 2014-02-10 | Electrolyzer for preparing sodium metal by using melted sodium hydroxide |
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| Publication Number | Publication Date |
|---|---|
| CN203700537U true CN203700537U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420060192.0U Expired - Lifetime CN203700537U (en) | 2014-02-10 | 2014-02-10 | Electrolyzer for preparing sodium metal by using melted sodium hydroxide |
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| CN108048872A (en) * | 2017-12-28 | 2018-05-18 | 中国东方电气集团有限公司 | A kind of electrorefining system for preparing high pure metal sodium |
| CN108624913A (en) * | 2018-03-27 | 2018-10-09 | 中国东方电气集团有限公司 | It is a kind of industry sodium fusion melt electrorefining be high pure sodium technique |
| CN109023422A (en) * | 2018-08-21 | 2018-12-18 | 中国东方电气集团有限公司 | A kind of technique and its electrolysis system preparing metallic sodium with sodium hydroxide fusion electrolysis |
| WO2020135112A1 (en) * | 2018-12-28 | 2020-07-02 | Yi Cui | Electrolytic production of high-purity lithium from low-purity sources |
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| CN113073357A (en) * | 2021-03-19 | 2021-07-06 | 西南石油大学 | Electrolytic device based on solid electrolyte diaphragm material and method for preparing sodium by using electrolytic device |
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2014
- 2014-02-10 CN CN201420060192.0U patent/CN203700537U/en not_active Expired - Lifetime
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| CN109023422A (en) * | 2018-08-21 | 2018-12-18 | 中国东方电气集团有限公司 | A kind of technique and its electrolysis system preparing metallic sodium with sodium hydroxide fusion electrolysis |
| CN109023422B (en) * | 2018-08-21 | 2023-09-01 | 中国东方电气集团有限公司 | Process for preparing metallic sodium by melting and electrolyzing sodium hydroxide and electrolysis system thereof |
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| WO2020135112A1 (en) * | 2018-12-28 | 2020-07-02 | Yi Cui | Electrolytic production of high-purity lithium from low-purity sources |
| US11965261B2 (en) | 2018-12-28 | 2024-04-23 | Metagenesis, Ltd. | Electrolytic production of high-purity lithium from low-purity sources |
| CN112813288A (en) * | 2020-12-29 | 2021-05-18 | 东方电气集团科学技术研究院有限公司 | Method for preparing high-purity beryllium from industrial beryllium |
| CN113073357A (en) * | 2021-03-19 | 2021-07-06 | 西南石油大学 | Electrolytic device based on solid electrolyte diaphragm material and method for preparing sodium by using electrolytic device |
| WO2024078526A1 (en) * | 2022-10-11 | 2024-04-18 | Beijing Yeeneng New Energy Technology Co., Ltd. | A method and apparatus for preparing high-purity metallic lithium based on lithium-ion solid-liquid dual electrolyte |
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