CN201981272U - Cathode motive seal device for electrorefining of uranium molten salts - Google Patents
Cathode motive seal device for electrorefining of uranium molten salts Download PDFInfo
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- CN201981272U CN201981272U CN2010206895667U CN201020689566U CN201981272U CN 201981272 U CN201981272 U CN 201981272U CN 2010206895667 U CN2010206895667 U CN 2010206895667U CN 201020689566 U CN201020689566 U CN 201020689566U CN 201981272 U CN201981272 U CN 201981272U
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- loam cake
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Abstract
The utility model relates to the manufacturing technique of high-purity uranium metal, in particular to a cathode motive seal device for an electrorefining of uranium molten salts. The cathode motive seal device for the electrorefining of uranium molten salts comprises a water-cooling conducting rod, a top cover of an electrolytic tank is arranged outside the water-cooling conducting rod, the top cover of the electrolytic tank is provided with a vacuum wilson seal ring and the water-cooling conducting rod penetrates through the vacuum wilson seal ring. Therefore, in the electrorefining process, the seal of the device is guaranteed in the up-down motion of a cathode bar, and the inert atmosphere protection to cathodic deposition products is realized in the removing process of molten salts. Further, a circulating water-cooling channel is positioned in the conducting rod, the temperature of the conducting rod is reduced by the cooling water circulation and the temperature of the water-cooling conducting rod is kept below 50 DEG C, thereby avoiding the damage to the wilson seal ring caused by the excess temperature.
Description
Technical field
The utility model belongs to the production technology of high purity uranium metal, is specifically related to a kind of negative electrode dynamic sealing device.
Background technology
In the uranium electrorefining process, under the effect of galvanic current, thick uranium metal is oxidized at anode, is dissolved in the fused ionogen, is diffused into negative electrode with ionic species, obtains electronics and is reduced into elemental metals at the negative electrode place.Chemical stability between the different elements there are differences, and is also inequality in anode generation oxidation and negative electrode generation reductive ability, thereby realizes the purifying of uranium metal.
Eighties of last century, the U.S. has developed uranium electrorefining device, has realized the fairly large fused-salt electrolytic refining of uranium metal, and refining is separated in energising, and they have obtained high-purity uranium metal.After this, countries such as France, Britain, Belgium, USSR (Union of Soviet Socialist Republics) all carried out correlative study in this respect.
The electrolyzer that external uranium fused-salt electrolytic refining institute adopts is the vertical barrel type electrolyzer, as shown in Figure 1.The top is provided with anode terminal, rare gas element aeration aperture, cathode terminal with the sealing of stainless steel lid at lid, and the anode and cathode terminal stud adopts insulation spacer and lid insulation.Connect bar-shaped anode crude metal in the anode terminal lower end, the cathode terminal lower end is connected to cathode bar or plate.In this design, cathode terminal is fixed on the lid.In electrolytic process, metal enters fused salt from anode dissolution, deposits on the cathode bar, after electrorefining is finished, promotes lid, will have the sedimentation products cathode bar and propose fused salt together.To be cooled to room temperature, take off cathode bar, obtain cathode product.
For this design; fixedly connected between negative electrode and the electrolyzer lid; in the proposition process of cathode bar, lid need be promoted together, at this moment; the cathodic deposition product also is in the condition of high temperature; and cathodic deposition this moment product has lost inert atmosphere protection, very easily produces oxidation, influences end product quality; even produce burning, lead to a disaster.
If can realize dynamic seal between negative electrode and electrolyzer loam cake, that is: loam cake is motionless, guarantees well sealing with electrolyzer in the cathode bar uphill process, can effectively solve the problem that cathode product in the lifting process can't be realized inert atmosphere protection.Obtain the cathodic deposition product of better quality.
Summary of the invention
The purpose of this utility model is to provide a kind of temperature that can realize reducing on the negative electrode, realizes the uranium fused-salt electrolytic refining negative electrode dynamic sealing device of the dynamic seal between negative electrode and the electrolyzer simultaneously.
The technical solution of the utility model is as follows:
A kind of uranium fused-salt electrolytic refining negative electrode dynamic sealing device, it comprises the water-cooled conducting rod, described water-cooled conducting rod is provided with the electrolyzer loam cake outward, described electrolyzer loam cake comprises the loam cake main body, the loam cake main body is the right cylinder of hollow, and its lower end is a disk, and this right cylinder is provided with gland, be provided with vacuum Wilson seal circle in described right cylinder, the water-cooled conducting rod runs through vacuum Wilson seal circle.
In above-mentioned uranium fused-salt electrolytic refining negative electrode dynamic sealing device: described water-cooled conducting rod upper end is provided with cathode terminal, bottom centre has screw, this water-cooled conducting rod inside is processed with cooling water circulation passage, and is provided with cooling water inlet and cooling water outlet on the body of rod.
In above-mentioned uranium fused-salt electrolytic refining negative electrode dynamic sealing device: described gland is fixed on the right cylinder of loam cake main body by trip bolt.
Unusual effect of the present utility model is: owing to be provided with vacuum Wilson seal circle in the electrolyzer loam cake, the water-cooled conducting rod runs through vacuum Wilson seal circle, therefore in the electrorefining process, guaranteed that cathode bar moves up and down the sealing of installing in the process, thereby realized the inert atmosphere protection of cathodic deposition product in shifting out the process of fused salt; Further, be provided with recirculated water cooling passage in conducting rod inside, by cooling water circulation temperature on the conducting rod reduced, the temperature on the water-cooled conducting rod remains on below 50 ℃, can Yin Wendu is not too high the Wilson seal circle not be caused damage.
Description of drawings
Fig. 1 is an electrolyzer superstructure synoptic diagram;
Fig. 2 is a water-cooled conducting rod structural representation;
Fig. 3 is a uranium fused-salt electrolytic refining negative electrode dynamic sealing device one-piece construction synoptic diagram;
Among the figure: 1. trip bolt; 2. gland; 3. vacuum Wilson seal circle; 4. loam cake main body; 5. water-cooled conducting rod; 6. cathode terminal; 7. screw; 8. cooling water inlet; 9. cooling water outlet; 10. electrolyzer loam cake.
Embodiment
Be described in further detail the utility model is bright below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, the loam cake main body 4 of electrolyzer loam cake comprises the right cylinder of hollow, and its lower end is a disk.In right cylinder, be placed with vacuum Wilson seal circle 3, and on right cylinder, add a cover gland 2, and gland 2 and loam cake main body 4 are fixedly mounted by trip bolt 1.
As shown in Figure 2, the upper end of water-cooled conducting rod is a cathode terminal 6, and body of rod bottom centre has screw 7, and the inside of whole water-cooled conducting rod is processed with cooling water circulation passage, and is processed with cooling water inlet 8 and cooling water outlet 9 in the body of rod outside.
Fig. 3 has provided the structural representation of whole uranium fused-salt electrolytic refining negative electrode dynamic sealing device, and it is made of jointly electrolyzer loam cake 10 and water-cooled conducting rod 5 two portions.Water-cooled conducting rod 5 runs through the inferior dynamic seal ring 3 of Weir of electrolyzer loam cake 10 inside, and water-cooled conducting rod 5 adopts stainless steel to make.
During use,, cathode bar is fixedlyed connected with water-cooled conducting rod 5, form by water-cooled conducting rod 5 and cathode bar and form negative electrode (in the electrorefining process, having only cathode bar to be in fused salt inside) jointly by the screw 7 of water-cooled conducting rod 5 lower ends.By cathode terminal 6, the top of water-cooled conducting rod 5 is connected with the dc electrolysis power cathode.Electrolyzer loam cake 10 and electrolyzer are connected and sealed, under the effect of the inferior dynamic seal ring 3 of Weir, realize the dynamic seal of negative electrode and refining cell.Feed the recirculated water cooling then in the inside of water-cooled conducting rod 5, reduce the temperature on the water-cooled conducting rod 5, guarantee the inferior dynamic seal ring 3 of Weir Yin Wendu is not too high to be damaged.After electrorefining is finished,, fused salt is proposed the cathodic deposition product, the stopping property of the inferior dynamic seal ring 3 of Weir assurance device inside in this process, the inert atmosphere protection of realization anticathode sedimentation products by transmission mechanism rising water-cooled conducting rod 5.
Claims (3)
1. uranium fused-salt electrolytic refining negative electrode dynamic sealing device, it comprises water-cooled conducting rod (5), it is characterized in that: the outer electrolyzer loam cake (10) that is provided with of described water-cooled conducting rod (5), described electrolyzer loam cake (10) comprises loam cake main body (4), loam cake main body (4) is the right cylinder of hollow, and its lower end is a disk, and this right cylinder is provided with gland (2), be provided with vacuum Wilson seal circle (3) in described right cylinder, water-cooled conducting rod (5) runs through vacuum Wilson seal circle (3).
2. uranium fused-salt electrolytic refining negative electrode dynamic sealing device as claimed in claim 1, it is characterized in that: described water-cooled conducting rod (5) upper end is provided with cathode terminal (6), bottom centre has screw (7), this water-cooled conducting rod (5) inside is processed with cooling water circulation passage, and is provided with cooling water inlet (8) and cooling water outlet (9) on the body of rod.
3. uranium fused-salt electrolytic refining negative electrode dynamic sealing device as claimed in claim 1 or 2, it is characterized in that: described gland (2) is fixed on the right cylinder of loam cake main body (4) by trip bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206895667U CN201981272U (en) | 2010-12-30 | 2010-12-30 | Cathode motive seal device for electrorefining of uranium molten salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206895667U CN201981272U (en) | 2010-12-30 | 2010-12-30 | Cathode motive seal device for electrorefining of uranium molten salts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201981272U true CN201981272U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206895667U Expired - Lifetime CN201981272U (en) | 2010-12-30 | 2010-12-30 | Cathode motive seal device for electrorefining of uranium molten salts |
Country Status (1)
| Country | Link |
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| CN (1) | CN201981272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834971A (en) * | 2012-11-23 | 2014-06-04 | 宁波创润新材料有限公司 | Electrode and molten salt electrolysis device |
| CN104213095A (en) * | 2014-09-25 | 2014-12-17 | 昆山彰盛奈米科技有限公司 | Continuous coating device for coating layer on surface of cable and method thereof |
| CN107604398A (en) * | 2017-09-01 | 2018-01-19 | 北京曙光航空电气有限责任公司 | Part cylinder shape inner wall electroplates localised protection method |
-
2010
- 2010-12-30 CN CN2010206895667U patent/CN201981272U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834971A (en) * | 2012-11-23 | 2014-06-04 | 宁波创润新材料有限公司 | Electrode and molten salt electrolysis device |
| CN103834971B (en) * | 2012-11-23 | 2016-08-17 | 宁波创润新材料有限公司 | Electrode and fused salt electrolysis apparatus |
| CN104213095A (en) * | 2014-09-25 | 2014-12-17 | 昆山彰盛奈米科技有限公司 | Continuous coating device for coating layer on surface of cable and method thereof |
| CN104213095B (en) * | 2014-09-25 | 2017-08-25 | 昆山彰盛奈米科技有限公司 | Cable surface coating continuous coating apparatus and method |
| CN107604398A (en) * | 2017-09-01 | 2018-01-19 | 北京曙光航空电气有限责任公司 | Part cylinder shape inner wall electroplates localised protection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
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| CX01 | Expiry of patent term |