CN204644480U - A kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device - Google Patents
A kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device Download PDFInfo
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- CN204644480U CN204644480U CN201520298617.6U CN201520298617U CN204644480U CN 204644480 U CN204644480 U CN 204644480U CN 201520298617 U CN201520298617 U CN 201520298617U CN 204644480 U CN204644480 U CN 204644480U
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- wall
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- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 108010052164 Sodium Channels Proteins 0.000 claims description 10
- 102000018674 Sodium Channels Human genes 0.000 claims description 10
- 239000011734 sodium Substances 0.000 abstract description 24
- 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 abstract description 23
- 229910052708 sodium Inorganic materials 0.000 abstract description 23
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 239000002184 metal Substances 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 230000004927 fusion Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000021050 feed intake Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- WGRULTCAYDOGQK-UHFFFAOYSA-M sodium;sodium;hydroxide Chemical compound [OH-].[Na].[Na+] WGRULTCAYDOGQK-UHFFFAOYSA-M 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to a kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device, belongs to the electrolyzing fused preparation technical field of sealing technology of sodium Metal 99.5.The utility model tightness system is by Na-β-A1
2o
3as cathode compartment between the outer wall of diaphragm pipe and the inwall of electrolyzer main body, eliminate the welded seal between metal and pottery, its structure is simple, easy dismounting, sealed structure easily realizes, and device resistance to air loss is good, for electrolytic preparation high pure metal sodium provides effective guarantee.
Description
Technical field
The utility model relates to a kind of parts of electrolyzer, and more particularly, the utility model relates to a kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device, belongs to the electrolyzing fused preparation technical field of sealing technology of sodium Metal 99.5.
Background technology
In recent years along with the technical progress of association area and the needs in market, sodium Metal 99.5 starts to be applied to nuclear power station, the departments such as rare metal smelting and chemical industry.The production technology preparing sodium Metal 99.5 mainly contains caustic soda fusion electrolysis method, salt fusion electrolysis method and electrolytic sodium amalgamation process etc.The thick sodium impurity prepared by aforesaid method is more, purity is not high, and need carry out purification could for relevant industries.The method great majority of sodium purify metals at present with industrial sodium for raw material, adopt cold-trap method, filtration method and distillation method to carry out purifying, but these methods all also exist some shortcomings, and quality product is not high enough.Na-β-A1
2o
3be a kind of novel solid electrolyte grown up in recent decades, its feature is under electric field action, and sodium ion can freely move wherein, and other ions then can not or more difficultly to pass through.
Along with β-Al
2o
3the development of stupalith, associated mechanisms and researchist start trial β-Al
2o
3stupalith does the method that barrier film carries out electrolysis sodium.From in September, 1979, chemical industry system of Hunan University and Shanghai Silicate Inst., Chinese Academy of Sciences's cooperation, the β-Al provided with this
2o
3ceramic diaphragm pipe is barrier film, starts the research carrying out electrolyzing fused NaOH sodium.Research shows, with β-Al
2o
3ceramic diaphragm is the purity that diaphragm electrolysis melts NaOH gained sodium is very high, and product reaches top grade pure (GR) rank, current efficiency almost 100%.On December 5th, 1981 has held evaluation meeting to December 8 in Changsha, Hunan, and through conscientious review, they think: β-Al
2o
3diaphragm electrolysis melting NaOH Na technique is feasible substantially, should strengthen β-Al further from now on
2o
3diaphragm process optimum process condition and raising sodium β-Al
2o
3pipe work-ing life and make it maximize research.
It is CN203700555U that State Intellectual Property Office discloses a notification number in 2014.7.9, name is called the utility model patent of " cathode assembly of a kind of electrolytic preparation or sodium device of purifying metals ", this patent relates to a kind of parts of electrolyzer, more particularly, a cathode assembly for electrolytic preparation or sodium device of purifying metals, belongs to electrolyzing fused preparation or the purifying plant technical field of sealing technology of sodium Metal 99.5.Comprise Na-β-Al
2o
3diaphragm tube, top is provided with α-Al
2o
3ring, α-Al
2o
3ring top is provided with the second support, and the second described support is provided with aluminium ring, and aluminium ring set is connected to obturator, obturator and Na-β-Al
2o
3there is annular space between diaphragm tube, be inserted with T type screw in obturator cavity, in T-shaped screw, have out sodium channel, go out sodium channel and be communicated with described annular space.The utility model cathode assembly structure is simple; under protection of inert gas, under normal temperature, just can add solid metal sodium, the resistance to air loss of cathode assembly and whole electrolyzer can be ensured; preventing sodium Metal 99.5 to be subject to atmospheric pollution, providing good guarantee for preparing high pure metal sodium.
State Intellectual Property Office discloses a notification number CN202898560U 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, the electrolyzer of anodolyte, anode, negative electrode are housed and the diaphragm tube of catholyte is housed, described electrolyzer is arranged in heating unit, described diaphragm tube and anode are in electrolyzer top insertion electrolyzer and partial insertion anodolyte, described diaphragm tube and the top of anode are exposed outside electrolyzer, and described diaphragm tube is Na-β-Al
2o
3diaphragm tube, described negative electrode inserts diaphragm tube from the top of diaphragm tube and partial insertion catholyte, the top of negative electrode is exposed outside diaphragm tube, the top of diaphragm tube is also provided with the row's sodium pipe for discharging sodium Metal 99.5, this device when carrying out electrolytic reaction almost without side reaction, reaction efficiency is close to 100%, and energy consumption is low, to produce sodium Metal 99.5 purity higher.
The device of above-mentioned electrolytic preparation or sodium of purifying metals is all Na-β-Al
2o
3diaphragm tube is inner as cathode compartment, so feed intake part and the cathode assembly that add sodium Metal 99.5 in device are sealed into the sealing between pottery and metal, packing technique requires high, so not easily carry out sealing, and device is not quick detachable.
Utility model content
The utility model is intended to solve in prior art Na-β-Al
2o
3diaphragm tube is inner as cathode compartment, feed intake part and the cathode assembly that add sodium Metal 99.5 in device are sealed into sealing between pottery and metal, packing technique requires high, so not easily carry out sealing, and the not easily detachable problem of device, a kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device is provided, its structure is simple, and easily dismantle, sealed structure easily realizes, device resistance to air loss is good, for electrolytic preparation high pure metal sodium provides effective guarantee.
To achieve these goals, concrete technical scheme of the present utility model is as follows:
A cathode electrolytic cell for electrolytic preparation sodium Metal 99.5 device, is characterized in that: comprise electrolyzer main body, Na-β-Al
2o
3diaphragm tube, top cover and sealed structure, described Na-β-Al
2o
3diaphragm tube is open top, closed bottom, and is arranged on the inside of described electrolyzer main body, and described top cover is arranged on the top of described electrolyzer main body, described Na-β-Al
2o
3the inside of described top cover is stretched at the top of diaphragm tube, and described top cover is connected with described electrolyzer main body by described sealed structure, and described sealed structure is by described Na-β-Al
2o
3diaphragm tube is fixed, and makes described Na-β-Al
2o
3form closed cavity between the outer wall of diaphragm tube and the inwall of described electrolyzer main body, this cavity is cathode compartment, described Na-β-Al
2o
3closed cavity between the inside of diaphragm tube and the inside of described top cover is anolyte compartment.
Sealed structure described in the utility model is thread seal and sealing-ring sealing.
Sealed structure described in the utility model comprises set collar, dead ring, upper press ring, lower pressure ring, upper sealing-ring and lower seal.
The upper and lower of set collar inwall described in the utility model is provided with internal thread, the middle part of inwall is provided with annular projection, the bottom of the outer wall of described dead ring is provided with outside screw, this outside screw is connected with the internal thread of described set collar upper inside wall, the top of the outer wall of described electrolyzer main body is provided with outside screw, and this outside screw is connected with the internal thread of described set collar inner wall lower; Described upper press ring is arranged between described dead ring and the upper edge of described annular projection, and described upper sealing-ring is pressed on the upper edge of described annular projection and described Na-β-Al
2o
3between the outer wall of diaphragm tube, described lower pressure ring is arranged between described electrolyzer main body and the lower edge of described annular projection, and described lower seal is pressed on the upper edge of described annular projection and described Na-β-Al
2o
3between the outer wall of diaphragm tube.
Na-β-Al described in the utility model
2o
3distance between diaphragm pipe outer wall and described electrolyzer main body inner wall is 1-5mm.
The bottom of top cover described in the utility model is that the bottom of stepped, described top cover is connected with the outer wall of described dead ring and the top seal of described set collar by top seal circle.
Bottom upper press ring described in the utility model and described lower pressure ring top is provided with chamfering.
The lower sidewall of top cover described in the utility model is provided with gas atmosphere inlet, anolyte compartment, and top is provided with anolyte compartment's shielding gas outlet.
The sidewall of electrolyzer main body described in the utility model is provided with cathode compartment gas atmosphere inlet and the outlet of cathode compartment shielding gas.
The sidewall of electrolyzer main body described in the utility model is provided with row's sodium channel.
The Advantageous Effects that the utility model brings:
1, the diaphragm tube of the utility model tightness system adopts Na-β-Al
2o
3diaphragm tube, Na-β-A1
2o
3be a kind of novel solid electrolyte grown up in recent ten years, its feature is under electric field action, and sodium ion can freely move wherein, and other ions then can not or more difficultly to pass through, and the utility model tightness system is by Na-β-A1
2o
3as cathode compartment between the outer wall of diaphragm pipe and the inwall of electrolyzer main body, eliminate the welded seal between metal and pottery, its structure is simple, easy dismounting, sealed structure easily realizes, and device resistance to air loss is good, for electrolytic preparation high pure metal sodium provides effective guarantee.
2, the utility model is preferred, and described sealing mechanism is thread seal and sealing-ring sealing.By the double seal that thread seal and sealing-ring seal, the resistance to air loss of whole device can being ensured, prevent sodium Metal 99.5 to be subject to atmospheric pollution, providing good guarantee for preparing high pure metal sodium.Simultaneously, sealed structure of the present utility model have employed set collar, dead ring, upper press ring, lower pressure ring, upper sealing-ring and lower seal, further increases resistance to air loss, and connects closely between all parts, be easy to installation and removal, the work before and after convenient experiment.
3, the utility model tightness system is considered from security standpoint, and sodium Metal 99.5 is active metal, is easy to and air or water generation vigorous reaction, produces a large amount of gas, if device has a large amount of sodium Metal 99.5s to reveal, will cause danger, so consider Na-β-Al
2o
3distance between diaphragm tube and electrolyzer main body is set to 1-5mm, can greatly reduce the consumption of sodium Metal 99.5, improves the safety performance of whole device.
4, the utility model tightness system adopts double seal circle to seal, and can ensure the hermetic seal of whole device better.
5, the sidewall of electrolyzer main body described in the utility model is provided with cathode compartment gas atmosphere inlet and the outlet of cathode compartment shielding gas.Protection gas not only can take away partial heat, also plays the effect that isolated air contacts with sodium Metal 99.5.
6, the utility model is provided with top cover and top seal circle, can ensure to terminate under Hou Shi anolyte compartment is in vacuum or protection of inert gas in experiment, can prevent like this because fused salt solidifies moisture in rear water suction or air to Na-β-Al
2o
3the infringement that diaphragm tube causes, thus the work-ing life of improving whole device.
7, the utility model is provided with row's sodium channel, and the sodium Metal 99.5 that electrolytic reaction produces enters storage sodium device by row's sodium channel, can ensure that whole catholyte working area is substantially constant like this, can ensure that electrolyzer electrolytic reaction is steadily carried out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of the utility model sealed structure part;
Fig. 3 is the structural representation of the utility model set collar;
Fig. 4 is the structural representation of the utility model dead ring;
Fig. 5 is the structural representation of the utility model upper press ring;
Fig. 6 is the structural representation of pressure ring under the utility model.
Reference numeral: 1 is that electrolyzer main body, 2 is for Na-β-Al
2o
3diaphragm tube, 3 be top cover, 4 for cathode compartment, 5 for anolyte compartment, 6 for set collar, 7 for dead ring, 8 for upper press ring, 9 for lower pressure ring, 10 for upper sealing-ring, 11 for lower seal, 12 for annular projection, 13 for top seal circle, 14 for gas atmosphere inlet, anolyte compartment, 15 for anolyte compartment's shielding gas outlet, 16 for cathode compartment gas atmosphere inlet, 17 for cathode compartment shielding gas outlet, 18 be arrange sodium channel.
Embodiment
embodiment 1
A cathode electrolytic cell for electrolytic preparation sodium Metal 99.5 device, comprises electrolyzer main body 1, Na-β-Al
2o
3diaphragm tube 2, top cover 3 and sealed structure, described Na-β-Al
2o
3diaphragm tube 2 is open top, and closed bottom, and the inside being arranged on described electrolyzer main body 1, described top cover 3 is arranged on the top of described electrolyzer main body 1, described Na-β-Al
2o
3the inside of described top cover 3 is stretched at the top of diaphragm tube 2, and described top cover 3 is connected with described electrolyzer main body 1 by described sealed structure, and described sealed structure is by described Na-β-Al
2o
3diaphragm tube 2 is fixed, and makes described Na-β-Al
2o
3form closed cavity between the outer wall of diaphragm tube 2 and the inwall of described electrolyzer main body 1, this cavity is cathode compartment 4, described Na-β-Al
2o
3closed cavity between the inside of diaphragm tube 2 and the inside of described top cover 3 is anolyte compartment 5.
embodiment 2
A cathode electrolytic cell for electrolytic preparation sodium Metal 99.5 device, comprises electrolyzer main body 1, Na-β-Al
2o
3diaphragm tube 2, top cover 3 and sealed structure, described Na-β-Al
2o
3diaphragm tube 2 is open top, and closed bottom, and the inside being arranged on described electrolyzer main body 1, described top cover 3 is arranged on the top of described electrolyzer main body 1, described Na-β-Al
2o
3the inside of described top cover 3 is stretched at the top of diaphragm tube 2, and described top cover 3 is connected with described electrolyzer main body 1 by described sealed structure, and described sealed structure is by described Na-β-Al
2o
3diaphragm tube 2 is fixed, and makes described Na-β-Al
2o
3form closed cavity between the outer wall of diaphragm tube 2 and the inwall of described electrolyzer main body 1, this cavity is cathode compartment 4, described Na-β-Al
2o
3closed cavity between the inside of diaphragm tube 2 and the inside of described top cover 3 is anolyte compartment 5.
Preferably, described sealed structure is thread seal and sealing-ring sealing.
Preferably or further, described sealed structure comprises set collar 6, dead ring 7, upper press ring 8, lower pressure ring 9, upper sealing-ring 10 and lower seal 11.
embodiment 3
On the basis of embodiment 2:
The upper and lower of described set collar 6 inwall is provided with internal thread, the middle part of inwall is provided with annular projection 12, the bottom of the outer wall of described dead ring 7 is provided with outside screw, this outside screw is connected with the internal thread of described set collar 6 upper inside wall, the top of the outer wall of described electrolyzer main body 1 is provided with outside screw, and this outside screw is connected with the internal thread of described set collar 6 inner wall lower; Described upper press ring 8 is arranged between described dead ring 7 and the upper edge of described annular projection 12, and described upper sealing-ring 10 is pressed on the upper edge of described annular projection 12 and described Na-β-Al
2o
3between the outer wall of diaphragm tube 2, described lower pressure ring 8 is arranged between described electrolyzer main body 1 and the lower edge of described annular projection 12, and described lower seal 11 is pressed on the upper edge of described annular projection 12 and described Na-β-Al
2o
3between the outer wall of diaphragm tube 2.
embodiment 4
On the basis of embodiment 3:
Preferably, the bottom of described top cover 3 is that the bottom of stepped, described top cover 3 is connected with the outer wall of described dead ring 7 and the top seal of described set collar 6 by top seal circle 13.
Preferably, bottom described upper press ring 8 and described lower pressure ring 9 top is provided with chamfering.
embodiment 5
On the basis of embodiment 1:
Preferably, described Na-β-Al
2o
3distance between diaphragm pipe 2 outer wall and described electrolyzer main body 1 inwall is 1-5mm.
Preferably, the lower sidewall of described top cover 3 is provided with gas atmosphere inlet, anolyte compartment 14, and top is provided with anolyte compartment's shielding gas outlet 15.
Preferably, the sidewall of described electrolyzer main body 1 is provided with cathode compartment gas atmosphere inlet 16 and cathode compartment shielding gas outlet 17.
Preferably, the sidewall of described electrolyzer main body 1 is provided with row's sodium channel 18.
embodiment 6
Electrolyzer main body 1 described in the utility model is aluminium or stainless steel.
Upper sealing-ring 10 described in the utility model is high temperature resistant with lower seal 11 and has silica gel or the viton of deformation.
Electrolyzer main body 1 upper section described in the utility model is provided with outside screw, by being connected with set collar 6 with set collar 6 screw-internal thread fit.Be provided with internal thread in set collar 6 described in the utility model, by screwing dead ring 7 and electrolyzer main body 1, and make upper press ring 8, lower pressure ring 9 extrude sealing-ring 10 and lower seal 11 respectively, making it produce deformation and then fix N a-β-Al
2o
3diaphragm tube 2, thus play sealing function.
Electrolyzer 1 main body described in the utility model is also provided with the outlet of protection gas and protection gas entrance, partial heat when protection gas not only can take away reaction can also play sealing function.
Na-β-Al described in the utility model
2o
3diaphragm tube 2 outer wall and electrolyzer main body 1 inwall form cathode compartment 4 chamber, and cathode compartment 4 chamber is for filling electrolytic reaction front portion essence sodium.
Cathode compartment 4 chamber described in the utility model is connected with row's sodium channel 18, the high pure metal sodium produced when row's sodium channel 18 is for discharging continuous seepage.
Top cover described in the utility model 3 and top seal circle 13 act on, and under making anolyte compartment 5 be in vacuum or protection of inert gas, can prevent like this because fused salt solidifies moisture in rear water suction or air to Na-β-Al
2o
3the infringement that diaphragm tube 2 causes, thus the work-ing life of improving whole device.
The utility model tightness system can be applicable to the technical field of sealing technology of electrolyzing fused sodium processed, in these areas, the utility model tightness system serves as negative electrode, and catholyte is solid at normal temperature, be molten state during work, catholyte is the sodium Metal 99.5 that purity is more than or equal to 99.9%.
Na-β-Al described in the utility model tightness system
2o
3one end open is closed in diaphragm tube 2 one end.
The cathode electrolytic cell structure of the utility model electrolytic preparation sodium Metal 99.5 device is simple; be convenient to dismounting and assembling; under protection of inert gas; just solid metal sodium can be added under normal temperature; by screw thread and sealing-ring double seal; the resistance to air loss of whole device can being ensured, prevent sodium Metal 99.5 from being polluted, providing good guarantee for preparing high pure metal sodium.
Claims (10)
1. a cathode electrolytic cell for electrolytic preparation sodium Metal 99.5 device, is characterized in that: comprise electrolyzer main body (1), Na-β-Al
2o
3diaphragm tube (2), top cover (3) and sealed structure, described Na-β-Al
2o
3diaphragm tube (2) is open top, closed bottom, and is arranged on the inside of described electrolyzer main body (1), and described top cover (3) is arranged on the top of described electrolyzer main body (1), described Na-β-Al
2o
3the inside of described top cover (3) is stretched at the top of diaphragm tube (2), and described top cover (3) is connected with described electrolyzer main body (1) by described sealed structure, and described sealed structure is by described Na-β-Al
2o
3diaphragm tube (2) is fixed, and makes described Na-β-Al
2o
3form closed cavity between the outer wall of diaphragm tube (2) and the inwall of described electrolyzer main body (1), this cavity is cathode compartment (4), described Na-β-Al
2o
3closed cavity between the inside of diaphragm tube (2) and the inside of described top cover (3) is anolyte compartment (5).
2. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1, is characterized in that: described sealed structure is thread seal and sealing-ring sealing.
3. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1 and 2, is characterized in that: described sealed structure comprises set collar (6), dead ring (7), upper press ring (8), lower pressure ring (9), upper sealing-ring (10) and lower seal (11).
4. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 3, it is characterized in that: the upper and lower of described set collar (6) inwall is provided with internal thread, the middle part of inwall is provided with annular projection (12), the bottom of the outer wall of described dead ring (7) is provided with outside screw, this outside screw is connected with the internal thread of described set collar (6) upper inside wall, the top of the outer wall of described electrolyzer main body (1) is provided with outside screw, and this outside screw is connected with the internal thread of described set collar (6) inner wall lower; Described upper press ring (8) is arranged between the upper edge of described dead ring (7) and described annular projection (12), and described upper sealing-ring (10) is pressed on the upper edge of described annular projection (12) and described Na-β-Al
2o
3between the outer wall of diaphragm tube (2), described lower pressure ring (8) is arranged between the lower edge of described electrolyzer main body (1) and described annular projection (12), and described lower seal (11) is pressed on the upper edge of described annular projection (12) and described Na-β-Al
2o
3between the outer wall of diaphragm tube (2).
5. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1, is characterized in that: described Na-β-Al
2o
3distance between diaphragm pipe (2) outer wall and described electrolyzer main body (1) inwall is 1-5mm.
6. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 4, it is characterized in that: the bottom of described top cover (3) is that the bottom of stepped, described top cover (3) is connected with the outer wall of described dead ring (7) and the top seal of described set collar (6) by top seal circle (13).
7. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 4, is characterized in that: described upper press ring (8) bottom and described lower pressure ring (9) top are provided with chamfering.
8. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1; it is characterized in that: the lower sidewall of described top cover (3) is provided with gas atmosphere inlet, anolyte compartment (14), top is provided with anolyte compartment's shielding gas outlet (15).
9. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1, is characterized in that: the sidewall of described electrolyzer main body (1) is provided with cathode compartment gas atmosphere inlet (16) and cathode compartment shielding gas outlet (17).
10. the cathode electrolytic cell of a kind of electrolytic preparation sodium Metal 99.5 device according to claim 1, is characterized in that: the sidewall of described electrolyzer main body (1) is provided with row's sodium channel (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298617.6U CN204644480U (en) | 2015-05-11 | 2015-05-11 | A kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298617.6U CN204644480U (en) | 2015-05-11 | 2015-05-11 | A kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device |
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| Publication Number | Publication Date |
|---|---|
| CN204644480U true CN204644480U (en) | 2015-09-16 |
Family
ID=54097241
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| CN201520298617.6U Active CN204644480U (en) | 2015-05-11 | 2015-05-11 | A kind of cathode electrolytic cell of electrolytic preparation sodium Metal 99.5 device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104805469A (en) * | 2015-05-11 | 2015-07-29 | 中国东方电气集团有限公司 | Cathode electrolytic cell of device for preparing metallic sodium by electrolysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805469A (en) * | 2015-05-11 | 2015-07-29 | 中国东方电气集团有限公司 | Cathode electrolytic cell of device for preparing metallic sodium by electrolysis |
| CN104805469B (en) * | 2015-05-11 | 2017-04-05 | 中国东方电气集团有限公司 | A kind of cathode electrolytic cell of electrolytic preparation metallic sodium device |
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Effective date of registration: 20180426 Address after: 610000 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee after: Dongfang Electric Co., Ltd. Address before: 610036 Shu Han Road, Jinniu District, Chengdu, Sichuan Province, No. 333 Patentee before: Dongfang Electric Corporation |