CN212771009U - Automatic refining equipment for gold electrolytic purification - Google Patents
Automatic refining equipment for gold electrolytic purification Download PDFInfo
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- CN212771009U CN212771009U CN202021076242.6U CN202021076242U CN212771009U CN 212771009 U CN212771009 U CN 212771009U CN 202021076242 U CN202021076242 U CN 202021076242U CN 212771009 U CN212771009 U CN 212771009U
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Abstract
The utility model provides an automatic refining equipment for gold electrolytic purification, which comprises a gold melting electrolytic tank, a first transfer tank, a second transfer tank, a precipitation electrolytic tank and a circulating device, wherein the gold melting electrolytic tank comprises a gold melting anode electrolytic tank and a gold melting cathode electrolytic tank which are separated by a cation exchange membrane, the gold melting anode electrolytic tank, the first transfer tank and the precipitation cathode electrolytic tank form a first electrolyte circulation, and the gold melting cathode electrolytic tank, the second transfer tank and the precipitation anode electrolytic tank form a second electrolyte circulation; the utility model provides an automatic refining equipment of gold electrolysis purification can realize that the gold electrolysis is appeared not shutting down and lasts the cycle work, and degree of automation is high, can shorten production cycle, promotes production efficiency by a wide margin.
Description
Technical Field
The utility model belongs to the field of gold refining, in particular to an automatic refining device for gold electrolytic purification.
Background
The purpose of the gold refining (purifying) process is to purify the crude gold with low gold-containing taste to a higher purity. According to civil use and different industrial uses, the purification can be carried out to 99 percent or even 99.999 percent. The gold refining process has a long history, the traditional pyrometallurgical oxidation refining gold utilizes the characteristic that gold is not easy to oxidize, various metal impurities are oxidized in a high-temperature melting state, slag is formed and impurities are removed, the purpose of improving the purity of gold is achieved, and the method is suitable for refining placer gold, mercury paste, cyanide gold mud and promoted or recovered coarse gold, has the advantages of lower cost and relatively simple equipment, but has the disadvantages of high labor intensity, poor environment, low production efficiency, high raw material consumption and low product purity, and is rarely adopted in recent generations.
The electrolytic refining method takes the crude gold to be refined as an anode, an anode bag is sleeved, a pure gold plate or a titanium plate is taken as a cathode, direct current is conducted for electrolysis, the crude gold anode is continuously dissolved in the electrolysis process, and silver falls into the anode bag in a silver chloride precipitation mode. Gold, copper, iron and other metal impurities enter the electrolyte in an ionic state, gold ions (aurochloridic acid [ AuCl4] ions) with higher electrode potential are preferentially precipitated at the cathode, and copper, iron and other impurity ions with lower electrode potential are left in the electrolyte, so that the aim of separating gold from various impurities is fulfilled. Therefore, there is a need for improvement of existing electrolytic refining equipment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a continuous cycle work of not shutting down is appeared in electrolysis, and degree of automation is high, can shorten production cycle, can promote production efficiency's automatic refining equipment of gold electrolysis purification by a wide margin.
In order to achieve the purpose, the technical scheme of the utility model is as follows, an automatic refining equipment for gold electrolysis purification comprises a gold melting electrolytic tank, a first transfer tank and a second transfer tank, a precipitation electrolytic tank and a circulating device, wherein the gold melting electrolytic tank comprises a gold melting anode electrolytic tank and a gold melting cathode electrolytic tank which are separated by a cation exchange membrane, the precipitation electrolytic tank comprises a precipitation anode electrolytic tank and a precipitation cathode electrolytic tank which are separated by a cation exchange membrane, the circulating device comprises a gold melting anode circulating pipeline, a gold melting cathode circulating pipeline, a precipitation anode circulating pipeline and a precipitation cathode circulating pipeline, the gold melting anode electrolytic tank is communicated with the first transfer tank through the gold melting anode circulating pipeline, the gold melting cathode electrolytic tank is communicated with the second transfer tank through the gold melting cathode circulating pipeline, the precipitation anode electrolytic tank is communicated with the second transfer tank through the precipitation anode circulating pipeline, the precipitation cathode electrolytic cell is communicated with the first transit cell through a precipitation cathode circulating pipeline.
Preferably, the molten gold anode circulating pipeline, the molten gold cathode circulating pipeline, the precipitated anode circulating pipeline and the precipitated cathode circulating pipeline all comprise a return pipe and a liquid injection pipe, and the liquid injection pipe is provided with a liquid injection water pump and a valve.
Preferably, U-shaped pipes are arranged in the molten metal electrolytic tank and the precipitation electrolytic tank, a plurality of through holes are formed in the U-shaped pipes, and electrolyte conveyed by the liquid injection water pump is sprayed to the electrode plate through the through holes.
Preferably, the molten gold electrolytic bath comprises a molten gold anode electrolytic bath and two molten gold cathode electrolytic baths, the molten gold anode electrolytic bath is arranged between the two molten gold cathode electrolytic baths, the precipitation electrolytic bath comprises two precipitation anode electrolytic baths and a precipitation cathode electrolytic bath, and the precipitation cathode electrolytic bath is arranged between the two precipitation anode electrolytic baths.
Preferably, heating devices are arranged in the first transit tank and the second transit tank.
Preferably, a filtering device is arranged in the first transfer tank and is communicated with the return pipe.
Preferably, the vertical height of the molten gold electrolytic cell and the separating electrolytic cell from the ground is not less than the vertical height of the first transfer tank and the second transfer tank from the ground.
Preferably, the molten gold electrolytic cell and the precipitation electrolytic cell are both arranged in the case.
Preferably, an exhaust device is arranged on the case.
Preferably, a return water pump is arranged on the return pipe.
The utility model has the advantages that,
the gold melting electrolytic tank is divided into a gold melting anode electrolytic tank and a gold melting cathode electrolytic tank by a cation exchange membrane, in the gold melting electrolytic tank, other metal ions enter the gold melting cathode electrolytic tank through the cation exchange membrane and are enriched at a cathode plate, the aurochloric acid [ AuCl4] ions can not enter a cathode region due to the separation effect of the cation exchange membrane, the aurochloric acid [ AuCl4] ions are accumulated and increased in the gold melting anode electrolytic tank, the electrolyte in the gold melting anode electrolytic tank and the first transfer tank are circulated continuously, the crude gold electrolysis residue and the precipitated silver chloride are filtered through the first transfer tank, the electrolyte in the first transfer tank keeps certain concentration of the aurochloric acid [ AuCl4] ions, the crude gold electrolysis process is accelerated, when the aurochloric acid [ AuCl4] ions in the first transfer tank reach certain concentration, the cathode electrolytic tank can be directly pumped to precipitate, and are reduced into gold in the cathode electrolytic tank, the continuous cycle work of gold electrolysis precipitation without shutdown is realized, the production period can be shortened, and the production efficiency can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the circulation device shown in FIG. 1;
FIG. 3 is a schematic view of the molten gold electrolytic cell shown in FIG. 2;
FIG. 4 is a schematic view of the structure of the precipitation cell shown in FIG. 2;
FIG. 5 is a schematic structural view of the first transfer tank shown in FIG. 2;
FIG. 6 is a top view of the first transfer slot shown in FIG. 5;
FIG. 7 is a cross-sectional view taken along line C-C of the first transfer tank shown in FIG. 6;
FIG. 8 is a schematic structural view of the anode circulation circuit of FIG. 2;
FIG. 9 is a schematic structural view of the molten metal cathode circulation line shown in FIG. 2;
FIG. 10 is a schematic structural view of the U-shaped tube shown in FIG. 8;
fig. 11 is a schematic structural diagram of another embodiment of the present invention;
FIG. 12 is a schematic view of another perspective structure of the embodiment shown in FIG. 11.
In the figure, 1-a molten gold electrolytic cell; 11-a molten gold anode electrolytic cell; 12-molten gold cathode electrolytic cell; 2-a first transit trough; 21-a heating device; 22-a filtration device; 3-a second transfer tank; 4-separating out an electrolytic bath; 41-precipitation of an anode electrolytic cell; 42-precipitation cathode electrolytic cell; 5-a circulation device; 51-molten gold anode circulation pipeline; 511-a return pipe; 512-liquid injection pipe; 513-liquid injection water pump; 514-a valve; 515-a U-shaped tube; 516-a via; 52-molten gold cathode circulation line; 53-separating out an anode circulation pipeline; 54-separating out a cathode circulating pipeline; 10-a chassis; 101-exhaust means.
Detailed Description
The technical scheme of the utility model is further described in detail with reference to the accompanying drawings and specific embodiments:
example one
Referring to fig. 1-10 together, the gold electrolysis purification automatic refining equipment provided by this embodiment includes a gold melting electrolytic tank 1, a first transfer tank 2, a second transfer tank 3, a precipitation electrolytic tank 4 and a circulation device 5, where the gold melting electrolytic tank 1 includes a gold melting anode electrolytic tank 11 and a gold melting cathode electrolytic tank 12 separated by a cation exchange membrane, the precipitation electrolytic tank 4 includes a precipitation anode electrolytic tank 41 and a precipitation cathode electrolytic tank 42 separated by a cation exchange membrane, the circulation device 5 includes a gold melting anode circulation pipeline 51, a gold melting cathode circulation pipeline 52, a precipitation anode circulation pipeline 53 and a precipitation cathode circulation pipeline 54, the gold melting anode electrolytic tank 11 is communicated with the first transfer tank 2 through the gold melting anode circulation pipeline 51, the gold melting cathode electrolytic tank 12 is communicated with the second transfer tank 3 through the gold melting cathode circulation pipeline 52, the precipitation anode electrolytic tank 41 is communicated with the second transfer tank 3 through the precipitation anode circulation pipeline 53, the precipitation cathode electrolytic cell 42 communicates with the first transit tank 2 through a precipitation cathode circulation line 54.
The molten gold electrolytic bath 1 is divided into a molten gold anode electrolytic bath 11 and a molten gold cathode electrolytic bath 12 by a cation exchange membrane, in the molten gold electrolytic bath 1, the crude gold is used as an anode, the titanium is used as a cathode, impurities in the crude gold are electrolyzed at the anode to generate metal cations, the metal ions enter the molten gold cathode electrolytic bath through the cation exchange membrane and are enriched at a cathode plate, chloroauric acid [ AuCl4] ions cannot enter the molten gold cathode electrolytic bath 12 due to the partition action of the cation exchange membrane, the chloroauric acid [ AuCl4] ions are increased in the molten gold anode electrolytic bath 11 continuously, the electrolytes in the molten gold anode electrolytic bath 11 and the first transfer bath 2 are circulated continuously, the crude gold electrolysis residue and the precipitated silver chloride are filtered by the first transfer bath 2, the electrolyte in the first transfer bath 2 keeps a certain concentration of the chloroauric acid [ AuCl4] ions, the process is accelerated, when the chloroauric acid [ AuCl4] ions in the first transfer bath 2 reach a certain concentration, the separated cathode electrolytic tank 42 can be directly pumped to reduce gold in the separated cathode electrolytic tank 42, continuous cycle work without stopping gold electrolysis separation is realized, the production period can be shortened, and the production efficiency can be greatly improved.
In this embodiment, first transfer tank 2 and second transfer tank 3 all locate outside quick-witted case 10, first transfer tank 2 and second transfer tank 3 still can be for the jar form, and communicate with a plurality of melting gold electrolysis trough 1 and appearing electrolysis trough 4 simultaneously, corresponding increase circulating device 5 can realize large batch electrolysis, filter, appear circulation operation, equipment integrated level is high, degree of automation is high, can promote production efficiency by a wide margin, and can set up the quantity that melts gold electrolysis trough 1 and appear electrolysis trough 4 according to different users' production demand, application scope is wide.
The molten gold anode circulating pipeline 51, the molten gold cathode circulating pipeline 52, the precipitated anode circulating pipeline 53 and the precipitated cathode circulating pipeline 54 respectively comprise a return pipe 511 and a liquid injection pipe 512, and a liquid injection water pump 513 and a valve 514 are arranged on the liquid injection pipe 512; the electrolyte in the molten gold anode electrolytic tank 11 enters the first transfer tank 2 through a return pipe 511, and an electrolyte water pump 513 injects the electrolyte in the first transfer tank 2 into the molten gold anode electrolytic tank 11 through an electrolyte injection pipe 512 of the molten gold anode circulating pipeline 51 to form a molten gold electrolyte circulation; the electrolyte pump 513 of the separated cathode circulation pipeline 54 injects the electrolyte in the first transit tank 2 into the separated cathode electrolytic tank 42 through the electrolyte injection pipe 512, and the electrolyte in the separated cathode electrolytic tank 42 enters the first transit tank 2 through the return pipe 511 to form a separated cathode electrolyte circulation; namely, the molten gold anode electrolytic tank 11, the molten gold anode circulation line 51, the first transfer tank 2, the deposition cathode circulation line 54 and the deposition cathode electrolytic tank 42, and in the same manner, an electrolyte circulation is formed among the molten gold cathode electrolytic tank 12, the molten gold cathode circulation line 52, the second transfer tank 3, the deposition anode circulation line 53 and the deposition anode electrolytic tank 41. The gold electrolysis and precipitation can be carried out relatively independently, and the chloroauric acid [ AuCl4] ions are transferred in the first transfer groove 2, thereby realizing continuous and cyclic gold refining without stopping the machine, shortening the production period and greatly improving the production efficiency.
All be equipped with U-shaped pipe 515 in melting gold electrolysis trough 1 and the electrolytic bath 4 that precipitates, a plurality of through-holes 516 have been seted up on the U-shaped pipe 515, through-hole 516 will annotate the electrolyte that liquid water pump 513 carried and spray to the plate electrode, annotate liquid water pump 513 and think the plate electrode with electrolyte through U-shaped pipe 515 and spray for realize two rings at plate electrode both sides and from up circulation down, can accelerate in the electrolyte that ion concentration reaches the balance, promote production efficiency.
The molten gold electrolytic tank 1 comprises a molten gold anode electrolytic tank 11 and two molten gold cathode electrolytic tanks 12, wherein the molten gold anode electrolytic tank 11 is arranged between the two molten gold cathode electrolytic tanks 12, so that the molten gold anode current efficiency can be improved, and the crude gold electrolysis speed can be accelerated; the precipitation electrolytic tank 4 comprises two precipitation anode electrolytic tanks 41 and a precipitation cathode electrolytic tank 42, and the precipitation cathode electrolytic tank 42 is arranged between the two precipitation anode electrolytic tanks 41, so that the current efficiency of the precipitation cathode can be improved, the precipitation speed of pure gold can be increased, and the production efficiency can be improved.
The heating devices 21 are arranged in the first transit tank 2 and the second transit tank 3, and the heating devices 21 are used for heating the electrolyte, so that the reaction speed can be increased, and the electrolysis efficiency can be improved; the heating temperature of the heating device 21 is 50-60 ℃, a stable reaction temperature is provided for electrolysis, the power consumption of the heating device 21 can be reduced by heat brought by the circulation of the electrolyte, and energy is saved.
A filter device 22 is arranged in the first transfer tank 2, and the filter device 22 is communicated with a return pipe 511 so as to filter the electrolyte and collect anode mud and impurities.
The vertical height of the molten metal electrolytic tank 1 and the precipitation electrolytic tank 4 from the ground is not lower than that of the first transfer tank 2 and the second transfer tank 3 from the ground, and the electrolyte can flow into the transfer tanks from the electrolytic tanks without arranging a return water pump, so that the cost can be saved.
The molten gold electrolytic cell 1 and the precipitation electrolytic cell 4 are both arranged in the case 10, so that hydrochloric acid heated by the electrolytic cells is prevented from directly volatilizing into the air, the loss caused by the volatilization of gold-containing solution can be reduced, the environmental pollution is reduced, and impurities and dust can be prevented from falling into the molten gold electrolytic cell 1 and the precipitation electrolytic cell 4; an exhaust device 101 is arranged on the case 10, and the exhaust device 101 is used for collecting waste gas generated by electrolysis.
Be equipped with the backwash water pump on the back flow 511, the backwash water pump cooperates with annotating the liquid water pump, can adjust the speed of electrolyte circulation according to production needs, and when the vertical height of transfer groove apart from ground is higher than the vertical height of electrolysis trough apart from ground, also can accomplish the electrolyte circulation, and application scope is wider.
Example two
Referring to fig. 11 to 12, the present embodiment is substantially the same as the first embodiment in terms of technical solutions, except that: fuse gold electrolysis trough 1, first transfer groove 2 and second transfer groove 3, appear electrolysis trough 4 and circulating device 5 and all locate quick-witted incasement 10, integral type design space utilization is high, is fit for the less production place in space, and need not dismantle, assemble when the equipment removes, and is convenient high-efficient.
The above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a gold electrolytic purification automation refining equipment which characterized in that: the device comprises a molten gold electrolytic bath (1), a first transfer bath (2), a second transfer bath (3), a precipitation electrolytic bath (4) and a circulating device (5), wherein the molten gold electrolytic bath (1) comprises a molten gold anode electrolytic bath (11) and a molten gold cathode electrolytic bath (12) which are separated by a cation exchange membrane, the precipitation electrolytic bath (4) comprises a precipitation anode electrolytic bath (41) and a precipitation cathode electrolytic bath (42) which are separated by the cation exchange membrane, the circulating device (5) comprises a molten gold anode circulating pipeline (51), a molten gold cathode circulating pipeline (52), a precipitation anode circulating pipeline (53) and a precipitation cathode circulating pipeline (54), the molten gold anode electrolytic bath (11) is communicated with the first transfer bath (2) through the molten gold anode circulating pipeline (51), and the molten gold cathode electrolytic bath (12) is communicated with the second transfer bath (3) through the molten gold cathode circulating pipeline (52), the precipitation anode electrolytic tank (41) is communicated with the second transit tank (3) through a precipitation anode circulating pipeline (53), and the precipitation cathode electrolytic tank (42) is communicated with the first transit tank (2) through a precipitation cathode circulating pipeline (54).
2. The automatic refining equipment for the electrolytic purification of gold according to claim 1, characterized in that: the molten metal anode circulating pipeline (51), the molten metal cathode circulating pipeline (52), the precipitated anode circulating pipeline (53) and the precipitated cathode circulating pipeline (54) respectively comprise a return pipe (511) and a liquid injection pipe (512), and a liquid injection water pump (513) and a valve (514) are arranged on the liquid injection pipe (512).
3. The automatic refining equipment for the electrolytic purification of gold according to claim 2, characterized in that: u-shaped pipes (515) are arranged in the molten metal electrolytic tank (1) and the precipitation electrolytic tank (4), a plurality of through holes (516) are formed in the U-shaped pipes (515), and electrolyte conveyed by the liquid injection water pump (513) is sprayed to the electrode plates through the through holes (516).
4. The automatic refining equipment for the electrolytic purification of gold according to claim 2 or 3, characterized in that: the molten gold electrolytic tank (1) comprises a molten gold anode electrolytic tank (11) and two molten gold cathode electrolytic tanks (12), the molten gold anode electrolytic tank (11) is arranged between the two molten gold cathode electrolytic tanks (12), the precipitation electrolytic tank (4) comprises two precipitation anode electrolytic tanks (41) and a precipitation cathode electrolytic tank (42), and the precipitation cathode electrolytic tank (42) is arranged between the two precipitation anode electrolytic tanks (41).
5. The automatic refining equipment for the electrolytic purification of gold according to claim 4, characterized in that: and heating devices (21) are arranged in the first transit tank (2) and the second transit tank (3).
6. The automatic refining equipment for the electrolytic purification of gold according to claim 5, characterized in that: a filtering device (22) is arranged in the first transit tank (2), and the filtering device (22) is communicated with the return pipe (511).
7. An automated refining apparatus for the electrolytic purification of gold according to claims 1, 2, 3, 5 or 6, wherein: the vertical height of the molten gold electrolytic tank (1) and the separating electrolytic tank (4) from the ground is not less than the vertical height of the first transit tank (2) and the second transit tank (3) from the ground.
8. The automatic refining equipment for the electrolytic purification of gold according to claim 7, characterized in that: the molten gold electrolytic tank (1) and the precipitation electrolytic tank (4) are both arranged in the case (10).
9. The automatic refining equipment for the electrolytic purification of gold according to claim 8, characterized in that: an exhaust device (101) is arranged on the case (10).
10. An automated refining apparatus for the electrolytic purification of gold according to claims 2, 3, 5 or 6, wherein: and a return water pump is arranged on the return pipe (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076242.6U CN212771009U (en) | 2020-06-11 | 2020-06-11 | Automatic refining equipment for gold electrolytic purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076242.6U CN212771009U (en) | 2020-06-11 | 2020-06-11 | Automatic refining equipment for gold electrolytic purification |
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| Publication Number | Publication Date |
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| CN212771009U true CN212771009U (en) | 2021-03-23 |
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| CN202021076242.6U Active CN212771009U (en) | 2020-06-11 | 2020-06-11 | Automatic refining equipment for gold electrolytic purification |
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| CN (1) | CN212771009U (en) |
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- 2020-06-11 CN CN202021076242.6U patent/CN212771009U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of gold electrolytic purification automatic refining equipment Effective date of registration: 20220916 Granted publication date: 20210323 Pledgee: China Everbright Bank Co.,Ltd. Changsha Huasheng Sub branch Pledgor: HUNAN DUNO INTELLIGENT ROBOTS TECHNOLOGY CO.,LTD. Registration number: Y2022430000084 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |