CN204550724U - Trapezoidal stream electrowinning plant - Google Patents
Trapezoidal stream electrowinning plant Download PDFInfo
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- CN204550724U CN204550724U CN201520180764.3U CN201520180764U CN204550724U CN 204550724 U CN204550724 U CN 204550724U CN 201520180764 U CN201520180764 U CN 201520180764U CN 204550724 U CN204550724 U CN 204550724U
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- feed liquor
- winning cell
- electrowinning plant
- liquor arm
- described feed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model discloses a kind of trapezoidal stream electrowinning plant, comprise reservoir, some Winning cells, be connected to the feed liquor house steward on described reservoir outlet end, be connected to the return line between described Winning cell outlet end and described reservoir liquid inlet, be located at the feed liquor arm in described Winning cell, the mouth of pipe of described feed liquor arm exports with the pipe on described feed liquor house steward and is connected, described feed liquor arm axially offers multiple jet hole communicated with its tube chamber along it, circulation of elecrolyte speed control in each described Winning cell is at 75 ~ 105L/min, heating unit before described electrowinning plant also comprises the electrolytic copper additive throwing device before being located at described feed liquor arm and is arranged on described feed liquor arm, this electrowinning plant is by improving speed of circulation in Winning cell to increase the internal circulating load in Winning cell, make the cathode copper purity that obtains high, visual appearance is good, electrolytic solution in copper refining process is obtained effectively recycle.
Description
Technical field
the utility model belongs to the electrolyte purification technical field of non-ferrous metal metallurgy, particularly the trapezoidal stream electrowinning plant of one.
Background technology
at present, after copper refining, in the process of electrolyte purification, existing customary practice is separated out by the cupric ion in electrolytic solution, and then continue to be back in former electrolyzer, the cupric ion of precipitation is then adsorbed on negative plate.Because the internal circulating load mostly adopted in scavenging process is at present less, and Recycle design is that solution enters from trench bottom or termination, go out from another termination of groove, solution flows slowly and skewness, can not ensure that the metal ion near negative electrode is in higher concentration all the time, when elemental release is accelerated on current density raising, negative electrode, will concentration polarization be produced, sedimentary stirring when internal circulating load is large, also can be caused to make solutions turbid or cause the anode sludge floating.So far, cause the cupric ion visual appearance that is adsorbed on negative plate poor, do not reach the requirement of Cu-CATH-2 trade mark standard cathode copper in GB/T467-2010, refining furnace melting again can only be returned as waste cupron, in the process of this recirculation, inevitably cause the waste of the energy, add the loss of cupric ion in tooling cost and the course of processing.
Summary of the invention
the purpose of this utility model is to provide a kind of electrowinning plant utilizing trapezoidal Flow Technique to prepare cathode copper, and this device increases internal circulating load by improving speed of circulation.
for achieving the above object, the technical solution adopted in the utility model is: trapezoidal stream electrowinning plant, comprise reservoir, some Winning cells, be connected to the feed liquor house steward on described reservoir outlet end, be connected to the return line between described Winning cell outlet end and described reservoir liquid inlet, be located at the feed liquor arm in described Winning cell, the mouth of pipe of described feed liquor arm exports with the pipe on described feed liquor house steward and is connected, described feed liquor arm axially offers multiple jet hole communicated with its tube chamber along it, circulation of elecrolyte speed control in each described Winning cell is at 75 ~ 105L/min, heating unit before described electrowinning plant also comprises the electrolytic copper additive throwing device before being located at described feed liquor arm and is arranged on described feed liquor arm.
preferably, described electrowinning plant also comprises the filter screen being at least wrapped in and described feed liquor arm offering described jet hole side, in order to reduce the fluid speed at described jet hole place.
preferably, described electrowinning plant also comprises the filtration unit before being arranged on described feed liquor arm, for filtering the impurity in electrolytic solution.
preferably, the described feed liquor arm in each described Winning cell has one at least, and described feed liquor arm is along the long sidewall setting of described Winning cell side, and all described feed liquor arms are spaced apart along the short transverse of described Winning cell.
preferably, a sidewall of described Winning cell also offers the liquid return hole communicated with described liquid returning tube.
preferably, described electrowinning plant also comprises the mounting block be installed in described Winning cell on the side sidewall being provided with described feed liquor arm, and for fixing described feed liquor arm, described mounting block has multiple, and the length bearing of trend along described sidewall is spaced apart.
preferably, the drain hole of emptying described electrolytic solution when the bottom surface of described Winning cell also offers for overhauling.
further preferably, the diameter of described feed liquor house steward and described liquid returning tube is 150mm, and the described feed liquor arm in each described Winning cell has 3, and the diameter of the described jet hole on all described feed liquor arms is 8 ~ 10mm.
further preferably, described heating unit is be located at titanium coil pipe in described reservoir or vapour pipe.
further preferably, the temperature entering the described electrolytic solution of described Winning cell controls at 50 ~ 65 DEG C.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: trapezoidal stream electrowinning plant of the present utility model, the internal circulating load of solution in Winning cell is added by the speed of circulation improved in Winning cell, the phenomenon decreasing concentration polarization occurs, improve current density, ensure that the quality product of cathode copper reaches standard-required, improve the purity of product simultaneously, effectively recycled the electrolytic solution after copper refining.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of trapezoidal stream electrowinning plant of the present utility model;
accompanying drawing 2 is A place enlarged view in accompanying drawing 1;
wherein: 1, reservoir; 2, Winning cell; 21, mounting block; 22, liquid return hole; 23, drain hole; 3, feed liquor house steward; 4, feed liquor arm; 41, jet hole; 5, liquid returning tube; 6, electrolytic copper additive throwing device; 7, heating unit; 8, filtration unit; 9, filter screen.
Embodiment
below in conjunction with drawings and the specific embodiments, the technical solution of the utility model is further elaborated.
shown in Figure 1, a kind of trapezoidal stream electrowinning plant, comprising the reservoir 1 for storing the electrolytic solution in copper refining process, multiple Winning cell 2, the feed liquor house steward 3 be connected on reservoir 1 outlet end for carrying out electrodeposition recovery to the cupric ion in electrolytic solution, being connected to the liquid returning tube 5 between Winning cell 2 outlet end and reservoir 1 liquid inlet, the feed liquor arm 4 be located in Winning cell 2, the mouth of pipe of this feed liquor arm 4 is connected to the pipe exit of feed liquor house steward 3.Circulation of elecrolyte speed control in each Winning cell 2 is at 75 ~ 105 L/min.In the present embodiment, feed liquor house steward 3 and liquid returning tube 5 all have employed the pvc pipe that diameter is 150mm.
shown in Fig. 1, Fig. 2, a feed liquor arm 4 is all at least provided with in each Winning cell 2, preferably, all feed liquor arms 4 are arranged along the long sidewall of Winning cell 2 side, the length bearing of trend of all feed liquor arms 4 is consistent with the long side lengths bearing of trend of this Winning cell 2 side, in the present embodiment, this feed liquor arm 4 has three, short transverse respectively along Winning cell 2 is spaced apart, the total flux of three described feed liquor arms 4 can reach 75 ~ 105 L/min, substantially increase current density simultaneously, improve production capacity.In order to ensure feed liquor speed, guarantee that Winning cell 2 Inner electrolysis liquid level is steady, time liquid measure of liquid returning tube 5 should be consistent with total liquid inlet volume of all feed liquor arms 4 in Winning cell 2.Feed liquor arm 4 axially offers multiple jet hole 41 along it, the diameter of jet hole 41 is 8 ~ 10mm, in order to prevent jet hole 41 place to go out flow velocity too fast, cause being formed at jet hole 41 place and spray torrent, at cathode plate surface formation radial pattern vestige, in the present embodiment, the outside surface of feed liquor arm 4 is also enclosed with the filter screen 9 that one deck adopts stainless material to make, this filter screen 9 at least can cover side feed liquor arm 4 offering jet hole 41, by arranging filter screen 9, thus reduce the fluid speed at jet hole 41 place.Winning cell 2 with the relative long sidewall being provided with feed liquor arm 4 also offers the liquid return hole 22 communicated with liquid returning tube 5, the electrolytic solution in Winning cell 2 after electrodeposition is flow to after in liquid returning tube 5 by liquid return hole 22 and is delivered to reservoir 1 liquid inlet place by liquor pump.
shown in Figure 1, this electrowinning plant also comprises the electrolytic copper additive throwing device 6 be arranged on reservoir 1, in electrolytic deposition process, copper ion concentration in electrolytic solution along with produce carrying out can be more and more lower, but minimum need maintain 25g/L, otherwise the cathode copper surface quality be prepared into can seriously glide, in order to stop the generation of this phenomenon, guarantee the quality of the cathode copper made by dripping suitable additive.In the present embodiment, this additive comprises gelatin, thiocarbamide, casein food grade and hydrochloric acid, here, gelatin, thiocarbamide and casein food grade can mix drip and hydrochloric acid need drip separately in addition, as in former electrolytic solution contain hydrochloric acid, then without the need to dripping hydrochloric acid again.
shown in Figure 1, in order to ensure the Cathode Copper Quality made, this electrode device also comprises the heating unit 7 for heating electrolytic solution be located on reservoir 1, heating unit 7 can be provided at titanium coil pipe in reservoir 1 or vapour pipe, by heating unit 7, the temperature of the electrolytic solution passed in electrolyzer is made to maintain 50 ~ 65 DEG C.
shown in Figure 1, electrowinning plant also comprises the filtration unit 8 before being located at feed liquor arm 4, for filtering the impurity in electrolytic solution.If it is more to enter the impurity contained in the electrolytic solution in Winning cell 2, not only easily blocks the jet hole 41 on feed liquor arm 4, reduce and flow quantity; If the copper coin face particle that can make to obtain is more and impurity and negative electrode adhere to each other, cause electrolytic copper Quality Down.By arranging filtration unit 8, effectively can reduce the foreign matter content in the electrolytic solution entered in electrolyzer, certainly, this filtration unit 8 can also be arranged on the liquid inlet of reservoir 1, between reservoir 1 and feed liquor house steward 3, only need the foreign matter content that can reduce in the electrolytic solution entering Winning cell 2, this filtration unit 8 can adopt the filter screen be made up of stainless steel, regularly clears up filtration unit 8, checks, guarantee filter effect.
shown in Fig. 1, Fig. 2, install in electrolyzer firmly in order to ensure feed liquor arm 4, the long sidewall in side being provided with feed liquor arm 4 in electrolyzer is provided with mounting block 21, for fixing feed liquor arm 4, this mounting block 21 has multiple, and the long side bearing of trend interval along electrolyzer is arranged.The bottom surface of Winning cell 2 also offers drain hole 23, when overhauling Winning cell 2, the electrolytic solution in the emptying Winning cell 2 of drain hole 23 can be opened.
trapezoidal stream electrowinning plant of the present utility model, by improving feed liquor speed, thus the internal circulating load that improve in Winning cell, before feed liquor arm, install filtration unit additional, on reservoir, install electrolytic copper additive throwing device additional simultaneously, eliminate concentration polarization phenomenon, obtained electrolytic copper quality is high, electrolytic copper surface uniform, crystallization effect are good, and purity is high.Feed liquor arm wraps up filter screen, has effectively stopped to cause because jet hole place flow velocity is fast and sprayed torrent in the formation of jet hole place, occur in the phenomenon of cathode copper surface formation radial pattern vestige.In reservoir, increase heating unit simultaneously, the temperature of the electrolytic solution entered in Winning cell can be effectively ensured, prevent electrolytic copper quality from occurring fluctuation.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a trapezoidal stream electrowinning plant, it is characterized in that: comprise reservoir, some Winning cells, be connected to the feed liquor house steward on described reservoir outlet end, be connected to the liquid returning tube between described Winning cell outlet end and described reservoir liquid inlet, be located at the feed liquor arm in described Winning cell, the mouth of pipe of described feed liquor arm exports with the pipe on described feed liquor house steward and is connected, described feed liquor arm axially offers multiple jet hole communicated with its tube chamber along it, circulation of elecrolyte speed control in each described Winning cell is at 75 ~ 105L/min, heating unit before described electrowinning plant also comprises the electrolytic copper additive throwing device before being located at described feed liquor arm and is arranged on described feed liquor arm.
2. trapezoidal stream electrowinning plant according to claim 1, is characterized in that: described electrowinning plant also comprises the filter screen being at least wrapped in and described feed liquor arm offering described jet hole side, in order to reduce the fluid speed at described jet hole place.
3. trapezoidal stream electrowinning plant according to claim 1, is characterized in that: described electrowinning plant also comprises the filtration unit before being arranged on described feed liquor arm, for filtering the impurity in electrolytic solution.
4. trapezoidal stream electrowinning plant according to claim 1, it is characterized in that: the described feed liquor arm in each described Winning cell has one at least, and described feed liquor arm is along the long sidewall setting of described Winning cell side, all described feed liquor arms are spaced apart along the short transverse of described Winning cell.
5. trapezoidal stream electrowinning plant according to claim 1, is characterized in that: a sidewall of described Winning cell also offers the liquid return hole communicated with described liquid returning tube.
6. trapezoidal stream electrowinning plant according to claim 1, it is characterized in that: described electrowinning plant also comprises the mounting block be installed in described Winning cell on the side sidewall being provided with described feed liquor arm, for fixing described feed liquor arm, described mounting block has multiple, and the length bearing of trend along described sidewall is spaced apart.
7. trapezoidal stream electrowinning plant according to claim 1, is characterized in that: the drain hole of emptying described electrolytic solution when the bottom surface of described Winning cell also offers for overhauling.
8. according to the arbitrary described trapezoidal stream electrowinning plant of claim 1 to 7, it is characterized in that: the diameter of described feed liquor house steward and described liquid returning tube is 150mm, described feed liquor arm in each described Winning cell has 3, and the diameter of the described jet hole on all described feed liquor arms is 8 ~ 10mm.
9. according to the arbitrary described trapezoidal stream electrowinning plant of claim 1 to 7, it is characterized in that: described heating unit is be located at titanium coil pipe in described reservoir or vapour pipe.
10., according to the arbitrary described trapezoidal stream electrowinning plant of claim 1 to 7, it is characterized in that: the temperature entering the described electrolytic solution of described Winning cell controls at 50 ~ 65 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180764.3U CN204550724U (en) | 2015-03-27 | 2015-03-27 | Trapezoidal stream electrowinning plant |
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| CN201520180764.3U CN204550724U (en) | 2015-03-27 | 2015-03-27 | Trapezoidal stream electrowinning plant |
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| CN204550724U true CN204550724U (en) | 2015-08-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775132A (en) * | 2015-03-27 | 2015-07-15 | 张家港联合铜业有限公司 | Trapezoidal flow electrodeposition apparatus |
| CN114540884A (en) * | 2022-02-23 | 2022-05-27 | 云锡文山锌铟冶炼有限公司 | System, method and application for controlling temperature of electrodeposited liquid and purifying acid mist in hydrometallurgy |
-
2015
- 2015-03-27 CN CN201520180764.3U patent/CN204550724U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775132A (en) * | 2015-03-27 | 2015-07-15 | 张家港联合铜业有限公司 | Trapezoidal flow electrodeposition apparatus |
| CN114540884A (en) * | 2022-02-23 | 2022-05-27 | 云锡文山锌铟冶炼有限公司 | System, method and application for controlling temperature of electrodeposited liquid and purifying acid mist in hydrometallurgy |
| CN114540884B (en) * | 2022-02-23 | 2023-05-30 | 云锡文山锌铟冶炼有限公司 | Electro-deposition liquid temperature regulation and acid mist purification system, method and application in hydrometallurgy |
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