CN104073841B - A kind of silver electrolysis bath - Google Patents
A kind of silver electrolysis bath Download PDFInfo
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- CN104073841B CN104073841B CN201410340843.6A CN201410340843A CN104073841B CN 104073841 B CN104073841 B CN 104073841B CN 201410340843 A CN201410340843 A CN 201410340843A CN 104073841 B CN104073841 B CN 104073841B
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- groove
- trisection
- silver
- conductive rod
- electrolysis bath
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 28
- 239000004332 silver Substances 0.000 title claims abstract description 28
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 210000005056 cell body Anatomy 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010946 fine silver Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention belongs to electrorefining of silver technical field, disclose a kind of silver electrolysis bath, including the silver-colored cell body of some series connection, wherein positive and negative electrode contact rod all includes the first trisection, stage casing and the second trisection, between the height in stage casing and groove, the height of series conductor row is contour；Front groove edge and pit along on be equipped with several equidistant draw-in groove fixed seats, and front groove along upper draw-in groove fixed seat just pit along the midpoint between upper two neighboring draw-in groove fixed seat；Two cutting ferrules are cased with positive conductive rod, the cutting ferrule position on every positive conductive rod is identical and aligns one by one.The present invention be conducive to cathode-anode plate to put more specification, make the indexing of electric current density evenly, improve utilization rate and the production efficiency of electric current, and operation is simple, beneficial to commercial production.
Description
Technical field
The present invention principally falls into electrorefining of silver technical field, particularly to a kind of silver electrolysis bath.
Background technology
The method of silver-colored refine mainly has electrolytic refining process, wet method refining fusion, selects absorption method etc., and wherein electrorefining is the most normal
Method.The process nature of electrorefining of silver is redox reaction, with slightly silver as anode, with titanium plate or fine silver as negative electrode,
With silver nitrate as electrolyte, under the energising of negative and positive the two poles of the earth, slightly silver constantly loses electronics and is oxidized to silver ion, thus dissolving anode
Immerse electrolyte, the silver ion in solution, in the presence of electric field, constantly moves to cathode direction simultaneously, obtain after reaching negative electrode
Electronics is reduced into argent.Suitable electric current density size and uniform electric current distribution are to efficient electrorefining of silver extremely
Close important, the distribution of wherein electric current density depends on the design of electrolysis bath.With electrorefining of silver industrial expansion, it is electrolysed
Groove has also obtained continuous improvement, such as improves single cavity and is together in series for multiple-grooved, takes up an area space to save；Electrolysis bath is modified to
Surrounding has the pattern of hermetyic window, to solve workmen's health problem that nitric acid volatilization causes；Copper contact rod superscribes silver
Clothing, to improve the electric conductivity of contact rod and to be difficult oxidized；Set up the parallel stirring rod of a long row in the upper end of electrolysis bath back and forth
Silver on minus plate, to guarantee electrolyte excellent cycle, can also be partially stripped by stirring simultaneously；Many other are also had to change
Enter, such as increase barrier film, change polar plate spacing etc. in anode.
But in place of in existing actual production, general electrolysis bath still suffers from some shortcomings, Fig. 1 is the part of traditional electrolyte groove
Structural representation, in electrolysis bath, negative conductive rod 5 is shaped as cuboid, and one end rides on series conductor row 3 between the first groove, another
End is directly placed in pit along along 2, due to the first groove between series conductor row 3 higher along 2 horizontal level than pit, so that negative
One end that pole contact rod rides over series conductor row 3 between the first groove is higher than the other end, leads to minus plate 7 to tilt, near between the first groove
One end of series conductor row 3 is higher than other end horizontal level.In the same manner, one end of positive plate 8 series conductor row 4 near between the second groove
Higher than other end horizontal level.There is, between the two pieces of pole plates tilting when being arranged so that, the surface area mutually staggering, lead to electric current
Density Distribution is uneven, reduces actual production efficiency；Especially at the two ends end to end of electrolysis bath, groove is higher along position, goes here and there between groove
The position of connection busbar is also of a relatively high, thus two-plate tilts even more serious, the surface area mutually staggering is bigger.This
Outward, positive plate must often be changed, workmen place pole plate often make because of artificial operation pole plate put not just, uneven
Even, cause not parallel between two neighboring pole plate, each polar plate spacing difference, thus leading to electric current distribution uneven.If local
Electric current density is excessive, and crystal nucleation easily wraps up electrolyte and impurity effect electrolytic silver purity very much soon, is also easy to lead to this insoluble
The dissolving metal of solution enters electrolyte thus destroying electrolyte so that the excessive electric power of whole process consumption causes the wasting of resources.
Therefore, it is necessary to improve to existing silver electrolysis bath.
Content of the invention
The technical problem to be solved is intended to overcome above-mentioned prior art not enough, and provides a kind of silver electrolysis bath,
Mainly solve the problems, such as due to pole plate place not just, the uneven electric current distribution that causes uneven equal.
In order to reach object above, the technical scheme that the present invention provides is as follows：
A kind of silver electrolysis bath, including the silver-colored cell body of some series connection, described silver cell body includes front groove edge, pit
Along, be arranged at series conductor row between first groove on front groove edge, be arranged at series conductor row between second groove on pit edge, some for
The negative conductive connecting the row of series conductor between the first groove and minus plate is excellent, some for connecting series conductor row and sun between the second groove
Pole plate positive conductive rod it is characterised in that：
Described negative conductive rod, positive conductive rod are " Z " type structure, including the first trisection, stage casing and the second trisection three
Part, the two ends in stage casing connect the first trisection and the second trisection respectively, and the first trisection is parallel with the second trisection, the height in stage casing with
Between groove, the height of series conductor row is contour；
Described front groove edge and pit equidistant are used for fixing negative conductive rod or positive conductive along being above respectively equipped with several
Rod fixing device, and described front groove along each upper fixing device just to described pit along upper two neighboring fixing device
Between midpoint；
Cutting ferrule position on two cutting ferrules, and every positive conductive rod is provided with the first trisection of described positive conductive rod
Fixing and identical.
Preferably, described fixing device is draw-in groove fixed seat, and described draw-in groove fixed seat has the groove of opening upwards, and this is recessed
Channel opening width is equal with the width of the first trisection, for the first trisection is embedded clamping in groove.
Preferably, the first described trisection, the second trisection are lamellar rectangular structure.
Preferably, the length of described first trisection is longer than the length of described second trisection.
Preferably, the two ends in described stage casing are respectively provided with circular arc chamfering, for connecting the first trisection and the second trisection.
Preferably, described cutting ferrule is separately to be enclosed within positive conductive rod by two rubber cases to be formed.
Preferably, described front groove is preferably 1 ~ 10 along upper draw-in groove fixed seat quantity.
Preferably, the material of described draw-in groove fixed seat and cutting ferrule is light weight, acid-fast alkali-proof, chemical stability be good and price just
Suitable common PVC material.
Preferably, described draw-in groove fixed seat and cutting ferrule are all replaced by graduated scale.
Compared with prior art, the beneficial effects of the present invention is：Using " Z " type structural conductive rod it is ensured that placing pole
During plate, pole plate left and right sides height is consistent, and when efficiently avoid highly inconsistent, the disappearance of electric field action surface area, carries
High production efficiency；Using on groove edge, equidistant draw-in groove fixing device is set（Or graduated scale）Fixing both positive and negative polarity contact rod,
Ensure that and in actual production, place the strictly equidistant of pole plate time interval, be conducive to unanimously adjusting the big of electric current density between each pole plate
Little；Positive conductive rod is provided with cutting ferrule（Or graduated scale）Can fixed anode Board position, thus having ensured every piece of positive plate
Align two-by-two between adjacent cathode plate, be conducive to being uniformly distributed of electric field density, improve current utilization rate.
Brief description
Fig. 1 is the part-structure schematic diagram of traditional electrolyte groove.
Fig. 2 is the part-structure schematic diagram of the present invention.
Fig. 3 is the silver-colored cell body part-structure schematic diagram of some series connection of the present invention.
Fig. 4 is the negative conductive rod schematic diagram being hung with minus plate of the present invention.
Fig. 5 is the positive conductive rod schematic diagram being hung with positive plate of the present invention.
Fig. 6 is the draw-in groove fixed seat schematic diagram of the present invention.
Fig. 7 is the cutting ferrule schematic diagram of the present invention.
Wherein, 1 is front groove edge, and 2 is pit edge, and 3 is series conductor row between the first groove, and 4 is series conductor row between the second groove,
5 is the negative conductive rod of existing electrolysis bath, and 6 is the positive conductive rod of existing electrolysis bath, and 7 is minus plate, and 8 is positive plate, and 9 are
The negative conductive rod of the present invention, 10 is the positive conductive rod of the present invention, and 11 is draw-in groove fixed seat, and 12 is cutting ferrule, and 13 is the present invention
Negative or positive electrode contact rod the first trisection, 14 is the stage casing of the negative or positive electrode contact rod of the present invention, and 15 is the present invention
Second trisection of negative or positive electrode contact rod, 16 is the circular arc chamfering of the negative or positive electrode contact rod of the present invention, and 17 is that draw-in groove is solid
The base of reservation, 18 is the groove of draw-in groove fixed seat, and 19 is rubber case.
Specific embodiment
For disclosing technical scheme further, describe embodiments of the present invention below in conjunction with the accompanying drawings in detail.
As shown in Figures 2 and 3, a kind of silver electrolysis bath, including the silver-colored cell body of some series connection, described silver cell body bag
Containing front groove along 1, pit along 2, be placed on front groove along series conductor row 3 between the first groove on 1, be placed on pit along the on 2
Series conductor row 4 between two grooves, some negative conductive rods 9 for connecting the row of series conductor between the first groove 3 and minus plate, Ruo Ganyong
In the positive conductive rod 10 connecting series conductor row 4 and positive plate between the second groove.Front groove is parallel along 2 with pit along 1.
As shown in Figure 4 and Figure 5, negative conductive rod 9, positive conductive rod 10 are " Z " type structure, including the first trisection 13,
Stage casing 14 and 15 3 parts of the second trisection.The two ends in stage casing 14 connect the first trisection 13 and the second trisection 15, the first folding respectively
Section 13 is parallel with the second trisection 15.Between the height in stage casing 14 and groove, the height of series conductor row is contour.The length of the first trisection 13
It is longer than the length of 15 sections of the second folding.Front groove is respectively equipped with several along along 2 along 1 and pit and equidistant is used for fixing positive conductive rod
10 or the fixing device of negative conductive rod 9.Front groove along each fixing device on 1 just to pit along two neighboring solid on 2
Determine the midpoint between device.Namely the pit perpendicular bisector between any two adjacent fixation devices and front groove along along 2 are provided with along 1 intersection
Front groove is along the fixing device on 1.It is provided with two cutting ferrules 12 in first trisection 13 of positive conductive rod 10, and every positive conductive
Cutting ferrule 12 position on rod 10 is fixed and identical.
As shown in fig. 6, being arranged on groove along upper fixing device is draw-in groove fixed seat 11, draw-in groove fixed seat 11 includes link slot
The base 17 on edge and the groove 18 of opening upwards.This groove 18 A/F is equal with the width of the first trisection 13, for by
One trisection 13 embeds clamping in groove.During working condition, positive conductive rod 10, the first trisection 13 of negative conductive rod 9 embed recessed
Clamping in groove, the second trisection 15 rides over series conductor between groove and arranges above.Due to series conductor row between the height in stage casing 14 and groove
Highly contour, positive conductive rod 10 or negative conductive rod 9 levels therefore can be kept to put it is ensured that hanging over cathode-anode plate thereon
Left and right two ends highly consistent, can reliable, evenly cathode-anode plate is vertically put in electrolyte.
As shown in fig. 7, the cutting ferrule 12 of setting is to be separated by two rubber cases 19 in the first trisection 13 of positive conductive rod 10
It is enclosed within formation on positive conductive rod 10.Silver-colored hook can be suspended on the separate centre position of this two rubber cases 19, so both may be used
To keep the connection between silver-colored hook and positive conductive rod, silver-colored hook position can be fixed, thus keeping the fixation of anode Board position again.
Cutting ferrule 12 position on every positive conductive rod 10 fix and identical it is ensured that being two-by-two between every piece of positive plate and adjacent cathode plate
Alignment.
First trisection 13 of contact rod, the second trisection 15 are lamellar rectangular structure.Lamellar rectangular structure not only makes
Contact rod is placed more surely, also add the conductive contact area of series conductor row between contact rod and groove, thus reducing contact electricity
Resistance, decreases the thermal effect occurring on the row of series conductor between groove, it is to avoid electrolysis bath because of groove between series conductor row's temperature rise too high and produce
Thawing deformation, improve groove between series conductor row electric current, motor current density, thus improve electrolytic speed.
The two ends in contact rod stage casing 14 are respectively provided with circular arc chamfering 16 and are connected with the first trisection 13 and the second trisection 15.
Front groove is preferably 5 along draw-in groove fixed seat 11 quantity on 1.
The material of draw-in groove fixed seat 11 and cutting ferrule 12 is light weight, acid-fast alkali-proof, chemical stability are good and low-cost general
Logical PVC material.
One kind improvement to such scheme, described draw-in groove fixed seat 11 and cutting ferrule 12 are all replaced by graduated scale, with
Sample can ensure the strictly equidistantly parallel with the position of adjacent plate relative of polar plate spacing.
In concrete production operation, first the silver-colored hook having hung positive plate is fixed in the cutting ferrule 12 of positive conductive rod 10,
Then the second trisection 15 of the negative conductive rod 9 and the positive conductive rod 10 having hung positive plate that have hung minus plate is ridden over groove
Between on series conductor row, the first trisection embeds clamping in the groove 18 of draw-in groove fixed seat 11, plays fixation, negative conductive rod
9 mutually place with positive conductive rod 10 friendship, as shown in Figure 2.Between the height in stage casing 14 and groove, the height of series conductor row is contour, therefore
Positive conductive rod 10 or negative conductive rod 9 levels can be kept to put it is ensured that hanging over the height at two ends about cathode-anode plate thereon
Degree is consistent, can reliable, evenly cathode-anode plate is vertically put in electrolyte.Because the fixation of equidistant draw-in groove fixed seat 11,
Make yin, yang polar plate spacing accurately equal, in electrolyte, being more evenly distributed of electric current density between two-plate, improves production efficiency
While, also more energy-conservation, silver-colored electrolysis production process is also more stable.
Claims (8)
1. a kind of silver electrolysis bath, including the silver-colored cell body of some series connection, described silver cell body includes front groove edge（1）, after
Groove edge（2）, be arranged at front groove edge（1）On the first groove between series conductor row（3）, be arranged at pit edge（2）On the second groove between
Series conductor is arranged（4）, some for connecting between the first groove series conductor row（3）Negative conductive rod with minus plate（9）, Ruo Ganyong
Arrange in connecting series conductor between the second groove（4）Positive conductive rod with positive plate（10）It is characterised in that：
Described negative conductive rod（9）, positive conductive rod（10）It is " Z " type structure, including the first trisection（13）, stage casing（14）And
Second trisection（15）Three parts, stage casing（14）Two ends connect the first trisection respectively（13）With the second trisection（15）, the first trisection
（13）With the second trisection（15）Parallel, stage casing（14）Height and groove between series conductor row height contour；
Described front groove edge（1）With pit edge（2）On be respectively equipped with several and equidistant be used for fixing positive conductive rod（10）With negative
Pole contact rod（9）Fixing device, and described front groove edge（1）On each fixing device just to described pit edge（2）On
Midpoint between two neighboring fixing device；
Described positive conductive rod（10）The first trisection on be provided with two cutting ferrules (12), and every positive conductive rod（10）On
Cutting ferrule (12) position is fixed and identical；
Described fixing device is draw-in groove fixed seat（11）, described draw-in groove fixed seat（11）Have the groove (18) of opening upwards, should
Groove (18) A/F and the first trisection（13）Width equal, for by the first trisection（13）Card in embedded groove (18)
Tightly.
2. silver electrolysis bath according to claim 1 is it is characterised in that described first trisection（13）, the second trisection（15）All
For lamellar rectangular structure.
3. silver electrolysis bath according to claim 1 is it is characterised in that the length of described first trisection is longer than described second folding
The length of section.
4. the arbitrary silver electrolysis bath according to claim 1-3 is it is characterised in that the two ends in described stage casing are respectively provided with circular arc
Chamfering（16）, for connecting the first trisection（13）With the second trisection（15）.
5. silver electrolysis bath according to claim 1 is it is characterised in that described cutting ferrule (12) is separately to be covered by two rubber cases
Positive conductive rod is formed.
6. silver electrolysis bath according to claim 1 is it is characterised in that described front groove edge（1）On draw-in groove fixed seat（11）
Quantity is preferably 1 ~ 10.
7. silver electrolysis bath according to claim 1 is it is characterised in that described draw-in groove fixed seat (11) and cutting ferrule (12)
Material is light weight, acid-fast alkali-proof, the good and low-cost common PVC material of chemical stability.
8. the silver-colored electrolysis bath according to claim 1 or 6 is it is characterised in that described draw-in groove fixed seat (11) and cutting ferrule (12)
It is replaced by graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340843.6A CN104073841B (en) | 2014-07-17 | 2014-07-17 | A kind of silver electrolysis bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340843.6A CN104073841B (en) | 2014-07-17 | 2014-07-17 | A kind of silver electrolysis bath |
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| CN104073841A CN104073841A (en) | 2014-10-01 |
| CN104073841B true CN104073841B (en) | 2017-03-08 |
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| CN105926016A (en) * | 2016-05-25 | 2016-09-07 | 北京鼎臣超导科技有限公司 | Small and medium aluminium product anodic oxidation device and anodic oxidation method |
| CN106435650A (en) * | 2016-11-07 | 2017-02-22 | 杭州帝洛森科技有限公司 | Electric conducting beam fixed base |
| CN106435651A (en) * | 2016-11-07 | 2017-02-22 | 杭州帝洛森科技有限公司 | Split type polar plate lap joint structure and electrolytic bath with same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204151430U (en) * | 2014-07-17 | 2015-02-11 | 郴州市金贵银业股份有限公司 | A kind of silver-colored electrolyzer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB730649A (en) * | 1952-03-28 | 1955-05-25 | Baker Platinum Ltd | Improvements in or relating to electrolytic cells |
| US4175026A (en) * | 1976-07-16 | 1979-11-20 | Litton Industrial Products, Inc. | Electrolytic apparatus for recovering metal from solutions |
| DE3126925A1 (en) * | 1981-07-03 | 1983-01-27 | Siemens AG, 1000 Berlin und 8000 München | Apparatus for electrolytically recovering metals, in particular silver |
| CN2157194Y (en) * | 1993-04-01 | 1994-02-23 | 沈阳冶炼厂 | Titanium plate cathode for silver electrolysis |
| CN2597489Y (en) * | 2003-01-23 | 2004-01-07 | 内蒙古乾坤金银精炼股份有限公司 | Silver electrolysing anode basket device |
| CN201411497Y (en) * | 2009-06-20 | 2010-02-24 | 永兴县元泰应用材料有限公司 | Full-sealing silver electrolysis device |
| CN201593070U (en) * | 2009-11-28 | 2010-09-29 | 白银有色集团股份有限公司 | Silver electrolysis negative plate |
| CN102560537B (en) * | 2012-03-09 | 2014-06-11 | 哈尔滨工业大学 | Silver recovery device for silver-containing waste liquor |
| CN203569214U (en) * | 2013-10-11 | 2014-04-30 | 金川集团股份有限公司 | Silver electrolytic conductive device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204151430U (en) * | 2014-07-17 | 2015-02-11 | 郴州市金贵银业股份有限公司 | A kind of silver-colored electrolyzer |
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Address after: No. 1 Fucheng Avenue, Nonferrous Metals Industrial Park, Chenzhou City, Hunan Province, China 423038 Patentee after: Hunan Baiyin Co.,Ltd. Country or region after: China Address before: No. 1 Fucheng Avenue, Nonferrous Metals Industrial Park, Chenzhou City, Hunan Province, China 423038 Patentee before: JINGUI SILVER INDUSTRY Co.,Ltd. Country or region before: China |
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