CN108048871A - It is used to prepare the electrolysis cells of high pure metal sodium - Google Patents
It is used to prepare the electrolysis cells of high pure metal sodium Download PDFInfo
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- CN108048871A CN108048871A CN201711458394.5A CN201711458394A CN108048871A CN 108048871 A CN108048871 A CN 108048871A CN 201711458394 A CN201711458394 A CN 201711458394A CN 108048871 A CN108048871 A CN 108048871A
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- Prior art keywords
- sodium
- metal casing
- insulating ceramics
- smart
- high pure
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- 239000011734 sodium Substances 0.000 title claims abstract description 121
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 119
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 119
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 71
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000010079 rubber tapping Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 14
- 239000007784 solid electrolyte Substances 0.000 description 8
- 229910006587 β-Al2O3 Inorganic materials 0.000 description 8
- 239000002228 NASICON Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052594 sapphire Inorganic materials 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910003249 Na3Zr2Si2PO12 Inorganic materials 0.000 description 2
- 108010052164 Sodium Channels Proteins 0.000 description 2
- 102000018674 Sodium Channels Human genes 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- -1 magnesium aluminate Chemical class 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- RLAHWVDQYNDAGG-UHFFFAOYSA-N Methanetriol Chemical compound OC(O)O RLAHWVDQYNDAGG-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MRMOZBOQVYRSEM-UHFFFAOYSA-N tetraethyllead Chemical compound CC[Pb](CC)(CC)CC MRMOZBOQVYRSEM-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar 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
- C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
-
- 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
-
- 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
- C25C7/02—Electrodes; Connections thereof
Landscapes
- 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)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of electrolysis cells for being used to prepare high pure metal sodium, including membrane ceramic tube, insulating ceramics ring and cathode assembly, cathode assembly includes electrode bar and metal casing, and electrode bar is located in membrane ceramic tube, and metal casing is connected by flange with insulating ceramics ring；The metal casing is equipped with metallic sodium fluid catheter, one end of metallic sodium fluid catheter is connected with electrode bar, metallic sodium fluid catheter is equipped with smart sodium inner outlet with electrode bar junction, and the other end of metallic sodium fluid catheter is smart sodium external tapping, and the metal casing is equipped with electrode interface.The present invention on electrolytic cell can active control row sodium, non-easy worn part repeat utilization, easily sealing and the requirements such as convenient to overhaul, reduce operation and maintenance and replacement cost be low.
Description
Technical field
The present invention relates to a kind of electrolysis cells, more specifically to a kind of electrolysis cells for preparing high pure metal sodium, belong to
In the solid electrolyte electrolysis component technology field for preparing metallic sodium.
Background technology
Metallic sodium is material indispensable in a kind of development of the national economy, in numerous areas such as industry, the energy and national defence
Play important value and effect.In terms of metallurgy, metallic sodium is used to smelt some noble metals such as titanium, tantalum and niobium because of its strong reducing property
Deng；In field of light industry, metallic sodium selects the intermediate of indigo pure powder with ammonia reaction generation Sodamide as dye industry system；It is led in medicine
Domain, metallic sodium is for producing sodium borohydride, as medicine intermediates such as orthoformic acid front three vinegar, formic acid triethyls；In petrochemical field,
The alloy of metallic sodium and lead enhances the antiknock ability of gasoline for producing lead tetraethide；In national defence, metallic sodium is closed with oxidation
The sodium peroxide of generation is for the oxygenate as submarine.
A series of environment and resource problem brought due to fossil energy energy consumption, in recent years wind energy, solar energy and
A batch new energy technology such as nuclear energy largely rises, to substitute seriously polluted traditional thermal power generation.Energy storage as wind energy and
Grid-connected irreplaceable its importance of a ring of the intermittent energies such as solar energy does not say and language that wherein sode cell energy storage technology is current
Business application is one the most successful in many static chemical energy storage technologies, as energy storage market will to the growth of sode cell demand
Pull the firm need to high pure metal sodium.Referring to document：Tang Guang Shengs et al. high temperature and middle low temperature sode cell Recent Progresses In The Development east
Electrical comment, total 122nd phase of volume 31 in 2017.High pure metal sodium also has a particularly significant application in nuclear energy field, as
The thermal conducting agent of the cold fast neutron reactor of sodium, with starting for the projects such as China's forth generation nuclear power demonstration project, the whole world is to High Purity Gold
The demand for belonging to sodium also will be more vigorous.
The method of production high pure metal sodium is cold using vacuum distillation method, filtering sedimentation mostly using industrial sodium as raw material at present
Trap combined method and solid electrolyte electrolysis etc..Wherein, metallic sodium purity highest, the technique mistake of solid electrolyte electrolysis production
Journey is the simplest.
State Intellectual Property Office discloses a notification number as CN203700555U in 2014.7.9, a kind of entitled " electricity
The patent of invention of solution preparation or the cathode assembly for sodium device of purifying metals ", the patent are related to a kind of component of electrolysis unit,
More specifically, the cathode assembly of a kind of electrolytic preparation or sodium device of purifying metals, belongs to the electrolyzing fused preparation of metallic sodium
Or purifying plant technical field of sealing technology.Including Na- β-Al2O3Diaphragm tube, top are provided with α-Al2O3Ring, α-Al2O3It is set at the top of ring
Second support is equipped with, aluminium ring is provided in the second support, aluminium ring is socketed with obturator, obturator and Na- β-Al2O3Every
Have annular space between membrane tube, T type screws be inserted in obturator cavity, sodium channel is provided with out in T-shaped screw, go out sodium channel with
The annular space connection.Above-mentioned patent is disadvantageous in that：1st, the curing connection side welded between metal and ceramics is taken
Formula, the reuse of unfavorable non-easy worn part, replacement cost are high；2nd, external interface is single, it is difficult to install and advise on electrolytic cell
Modelling integrates, while is initially added after metallic sodium conducting medium also difficult realize and seals in time；3rd, it can not realize that active control arranges sodium,
And when reusing heating after electrolysis cells cooling maintenance, solid electrolytic is easily burst in the metallic sodium volume expansion in electrolysis cells
Matter membrane ceramic tube.
The content of the invention
The defects of in order to overcome the prior art, the present invention is intended to provide a kind of electrolysis list for being used to prepare high pure metal sodium
Member, meet electrolysis cells on electrolytic cell can active control row sodium, non-easy worn part repeat utilization, easily sealing and convenient to overhaul etc.
It is required that reduction operation and maintenance and replacement cost are low.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
The electrolysis cells of high pure metal sodium are used to prepare, including membrane ceramic tube, insulating ceramics ring and cathode assembly, the insulation
Ceramic ring is connected with the openend of membrane ceramic tube, it is characterised in that：The cathode assembly includes electrode bar and metal casing, institute
It states electrode bar to be located in membrane ceramic tube, the metal casing is connected by flange with insulating ceramics ring；On the metal casing
Equipped with metallic sodium fluid catheter, one end of metallic sodium fluid catheter is connected with electrode bar, and metallic sodium fluid catheter is set with electrode bar junction
There is smart sodium inner outlet, the other end of metallic sodium fluid catheter is smart sodium external tapping, and the metal casing is equipped with electrode interface.It utilizes
Metal casing is connected repeatable utilization, easily sealing and convenient to overhaul by flange with insulating ceramics ring, and metal casing is equipped with gold
Belong to sodium fluid catheter, one end of metallic sodium fluid catheter is connected with electrode bar, and metallic sodium fluid catheter is equipped with smart sodium with electrode bar junction
Inner outlet, the other end of metallic sodium fluid catheter be smart sodium external tapping meet electrolysis cells on electrolytic cell can active control arrange sodium,
It reduces operation and maintenance and reduces at low cost.
Membrane ceramic tube（Solid electrolyte diaphragm ceramic tube）, shape is the pipe structure that one end open one end is remained silent；Its
Material is Na- β-Al2O3Or NASICON materials, the Na- β-Al2O3For the well known materials of this field, the NASICON is sodium
Super-ionic surpasses body, is not limited to Na3Zr2Si2PO12、Na1+xSixZr2P3-xO12（Between x is 1.6 to 2.4）And Mg, Fe, Y and La etc.
The NASICON materials of doping vario-property, wherein it is preferred that Na- β-Al2O3Material.
Insulating ceramics ring, material are α-Al2O3, MgO, magnesium aluminate spinel（MgO·Al2O3）、ZrO2And mullite
（3Al2O3·2SiO2）Materials are waited, wherein it is preferred that α-Al2O3Material.
The metal casing is equipped with mounting hole, and bolt is fastened through mounting hole and flange, the bolt and mounting hole it
Between be equipped with insulation lantern ring.
The first gasket is equipped between the insulating ceramics ring and metal casing, the is equipped between insulating ceramics ring and flange
Two gaskets.Between cathodic metal component and ceramics using hard sealing means seal, avoid between metal and ceramics using welding or
Hot pressing etc. cures connection mode, and cathode assembly is easy to disassemble and reusable, reduces cost.
The metal casing is equipped with protective gas external tapping, for being passed through protective gas into membrane ceramic tube.
The protective gas is inert gas or nitrogen.Prevent that sodium from being aoxidized, internal essence sodium can under protective gas effect
Increase the pressure discharged, be easily discharged.
Internal cavities are formed between the cathode assembly, membrane ceramic tube and insulating ceramics ring, middle and upper part is that smart sodium delays
Chamber is deposited, lower part is that smart sodium retains chamber.It can ensure the effective of solid electrolyte diaphragm ceramic tube and the response area stablized, even if row
Sodium operation nor affects on effective area；Smart sodium caching chamber can keep in the smart sodium of output, can be electrolysed in the course of work between taking pneumatically
Formula of having a rest row's sodium operation, facilitates automation control and reduces operation expense.
The essence sodium inner outlet retains positioned at smart sodium caching chamber and smart sodium between chamber.
It is sealed between the membrane ceramic tube and insulating ceramics ring using glass-sealed mode.
The present invention has the following advantages：
1st, cathode assembly of the present invention includes electrode bar and metal casing, and metal casing is connected by flange with insulating ceramics ring；Institute
Metal casing is stated equipped with metallic sodium fluid catheter, one end of metallic sodium fluid catheter is connected with electrode bar, metallic sodium fluid catheter and electricity
Pole stick junction is equipped with smart sodium inner outlet, and the other end of metallic sodium fluid catheter is smart sodium external tapping, and the metal casing is equipped with
Electrode interface.It solves the problems, such as that prepare high pure metal sodium using solid electrolyte method faces in large-scale production, meets electrolysis
Unit can install in batches on electrolytic cell, can active control row sodium, non-easy worn part repeat utilization, easily sealing and convenient to overhaul etc.
It is required that reduce operation and maintenance and replacement cost.
2nd, metal casing of the present invention is equipped with mounting hole, and bolt is fastened through mounting hole and flange, the bolt and fixation
Insulation lantern ring is equipped between hole.Be equipped with the first gasket between insulating ceramics ring and metal casing, insulating ceramics ring and flange it
Between be equipped with the second gasket.It is sealed between cathodic metal component and ceramics using hard sealing means, avoids and adopted between metal and ceramics
Cure connection mode with welding or hot pressing etc., cathode assembly is easy to disassemble and reusable, reduces cost.
3rd, metal casing of the present invention is equipped with protective gas external tapping, for being passed through protective gas into membrane ceramic tube.
Prevent that sodium from being aoxidized, internal essence sodium can increase the pressure discharged under protective gas effect, be easily discharged.
4th, internal cavities are formed between cathode assembly of the present invention, membrane ceramic tube and insulating ceramics ring, middle and upper part is essence
Sodium caches chamber, and lower part is that smart sodium retains chamber.It can ensure the effective of solid electrolyte diaphragm ceramic tube and the response area stablized, i.e.,
The operation of row's sodium is made to nor affect on effective area；Smart sodium caching chamber can keep in the smart sodium of output, can be electrolysed in the course of work and take gas
Dynamic intermittent row's sodium operation, facilitates automation control and reduces operation expense.
5th, sealed between membrane ceramic tube and insulating ceramics ring of the present invention using glass-sealed mode, air-tightness it is reliable and
Service life is long.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Mark 1 is membrane ceramic tube in figure, and 2 be electrode bar, and 3 be insulating ceramics ring, and 4 be flange, and 5 is outside protective gas
Interface, 6 be smart sodium external tapping, and 7 be electrode interface, and 8 be bolt, and 9 be insulation lantern ring, and 10 be the first gasket, and 11 is close for second
Packing, 12 cache chamber for smart sodium, and 13 be smart sodium inner outlet, and 14 retain chamber for smart sodium, and 15 be metal casing, and 16 lead for metallic sodium liquid
Pipe.
Specific embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings, but the present invention is not limited to following embodiment, the methods
It is conventional method unless otherwise instructed, the material can obtain unless otherwise instructed from open commercial sources.
Embodiment 1
As shown in Figure 1, a kind of electrolysis cells for being used to prepare high pure metal sodium, which includes membrane ceramic tube 1（It is or solid
Body electrolyte membrance ceramic tube）, insulating ceramics ring 3 and membrane ceramic tube 1 described in insulating ceramics ring 3 and cathode assembly openend
Connection.It is sealed between membrane ceramic tube 1 and insulating ceramics ring 3 using glass-sealed mode.Its shape of membrane ceramic tube 1 is one
The pipe structure that end opening one end is remained silent；Its material is Na- β-Al2O3Or NASICON materials, the Na- β-Al2O3For this field
Well known materials, the NASICON surpasses body for sodium super-ionic, is not limited to Na3Zr2Si2PO12、Na1+xSixZr2P3-xO12（X is 1.6
To between 2.4）And the NASICON materials of the doping vario-properties such as Mg, Fe, Y and La, wherein it is preferred that Na- β-Al2O3Material.Insulation pottery
Ceramic ring, material are α-Al2O3, MgO, magnesium aluminate spinel（MgO·Al2O3）、ZrO2And mullite（3Al2O3·2SiO2）Wait materials,
Wherein preferred α-Al2O3Material.
Cathode assembly includes electrode bar 2 and metal casing 15, and the electrode bar 2 is located in membrane ceramic tube 1, electrode bar 2
It is hollow-core construction to mitigate weight.Metal casing 15 is connected by flange 4 with insulating ceramics ring 3；Metal casing 15 is equipped with
Metallic sodium fluid catheter 16, metal casing 15 are equipped with metallic sodium fluid catheter 16, and metallic sodium fluid catheter 16 is located in metal casing 15
It receives, and it is integrally formed with metal casing 15；One end of metallic sodium fluid catheter 16 is connected with electrode bar 2, metallic sodium fluid catheter 16 with
2 junction of electrode bar is equipped with smart sodium inner outlet 13, and the other end of metallic sodium fluid catheter 16 is smart sodium external tapping 6, outside the metal
Cover 15 is equipped with electrode interface 7, electrode interface portion disposed thereon, for connecting electrolysis power cathode during work（That is cathode）.
Metal casing 15 is equipped with mounting hole, and bolt 8 fastens through mounting hole with flange 4, the bolt 8 and mounting hole it
Between be equipped with insulation lantern ring 9.The first gasket 10, insulating ceramics ring 3 and flange are equipped between insulating ceramics ring 3 and metal casing 15
The second gasket 11 is equipped between 4.It is sealed between cathodic metal component and ceramics using hard sealing means, avoids metal and ceramics
Between connection mode cured using welding or hot pressing etc., cathode assembly is easy to disassemble and reusable, reduces cost.
Metal casing 15 is equipped with protective gas external tapping 5, and protective gas external tapping is located at top, and with internal cavities phase
It is logical；For being passed through protective gas into membrane ceramic tube.
The protective gas is inert gas or nitrogen.Prevent that sodium from being aoxidized, internal essence sodium can under protective gas effect
Increase the pressure discharged, be easily discharged.
Internal cavities are formed between cathode assembly, membrane ceramic tube 1 and insulating ceramics ring 3, middle and upper part is that smart sodium caches
Chamber 12, lower part are that smart sodium retains chamber 14.It can ensure the effective of solid electrolyte diaphragm ceramic tube and the response area stablized, even if
Row's sodium operation nor affects on effective area；Smart sodium caching chamber can keep in the smart sodium of output, can be electrolysed in the course of work and take pneumatically
Intermittent row's sodium operation facilitates automation control and reduces operation expense.Smart sodium inner outlet 13 be located at smart sodium cache chamber with
Smart sodium retains between chamber.
Claims (7)
1. be used to prepare the electrolysis cells of high pure metal sodium, including membrane ceramic tube (1), insulating ceramics ring (3) and cathode assembly,
The insulating ceramics ring (3) is connected with the openend of membrane ceramic tube (1), it is characterised in that：The cathode assembly includes electrode
Stick (2) and metal casing (15), the electrode bar (2) are located in membrane ceramic tube (1), and the metal casing (15) passes through flange
(4) it is connected with insulating ceramics ring (3)；The metal casing (15) is equipped with metallic sodium fluid catheter (16), metallic sodium fluid catheter
(16) one end is connected with electrode bar (2), and metallic sodium fluid catheter (16) is equipped with smart sodium inner outlet with electrode bar (2) junction
(13), the other end of metallic sodium fluid catheter (16) is smart sodium external tapping (6), and the metal casing (15) is equipped with electrode interface
(7)。
2. the electrolysis cells according to claim 1 for preparing high pure metal sodium, it is characterised in that：The metal casing (15)
Mounting hole is equipped with, bolt (8) is fastened through mounting hole and flange (4), and the bolt (8) is equipped with insulation sleeve between mounting hole
Ring (9).
3. the electrolysis cells according to claim 1 for being used to prepare high pure metal sodium, it is characterised in that：The insulating ceramics
The first gasket (10) is equipped between ring (3) and metal casing (15), second is equipped between insulating ceramics ring (3) and flange (4)
Gasket (11).
4. the electrolysis cells according to claim 1 for being used to prepare high pure metal sodium, it is characterised in that：The metal casing
(15) protective gas external tapping (5) is equipped with, for being passed through protective gas into membrane ceramic tube (1).
5. the electrolysis cells according to claim 1 for being used to prepare high pure metal sodium, it is characterised in that：The negative pole part
Internal cavities are formed between part, membrane ceramic tube (1) and insulating ceramics ring (3), middle and upper part is that smart sodium caches chamber (12), lower part
Retain chamber (14) for smart sodium.
6. the electrolysis cells according to claim 6 for being used to prepare high pure metal sodium, it is characterised in that：Go out in the essence sodium
Mouth (13) is located at smart sodium and caches between chamber (12) and smart sodium reservation chamber (14).
7. the electrolysis cells according to claim 1 for being used to prepare high pure metal sodium, it is characterised in that：The membrane ceramics
It is sealed between pipe (1) and insulating ceramics ring (3) using glass-sealed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458394.5A CN108048871A (en) | 2017-12-28 | 2017-12-28 | It is used to prepare the electrolysis cells of high pure metal sodium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458394.5A CN108048871A (en) | 2017-12-28 | 2017-12-28 | It is used to prepare the electrolysis cells of high pure metal sodium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108048871A true CN108048871A (en) | 2018-05-18 |
Family
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| CN201711458394.5A Pending CN108048871A (en) | 2017-12-28 | 2017-12-28 | It is used to prepare the electrolysis cells of high pure metal sodium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN203700537U (en) * | 2014-02-10 | 2014-07-09 | 中国东方电气集团有限公司 | Electrolyzer for preparing sodium metal by using melted sodium hydroxide |
| CN207904380U (en) * | 2017-12-28 | 2018-09-25 | 中国东方电气集团有限公司 | A kind of electrolysis cells preparing high pure metal sodium |
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| CN1261631A (en) * | 1998-12-22 | 2000-08-02 | Basf公司 | Producing alkali metal from alkali metal analgam by electrochemical method |
| TW201024467A (en) * | 2008-12-31 | 2010-07-01 | Taiwan Semiconductor Co Ltd | Device and method for producing high purity alkali metal from electrolytic cell |
| CN203700537U (en) * | 2014-02-10 | 2014-07-09 | 中国东方电气集团有限公司 | Electrolyzer for preparing sodium metal by using melted sodium hydroxide |
| CN207904380U (en) * | 2017-12-28 | 2018-09-25 | 中国东方电气集团有限公司 | A kind of electrolysis cells preparing high pure metal sodium |
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| 陈宗璋;: "关于用β―Al_2O_3为隔膜电解熔融氯化钠或粗钠制取高纯金属钠和烧碱的初步研究", 湖南大学学报(自然科学版), no. 03, pages 96 - 102 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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