CN219637302U - Gold refining system - Google Patents
Gold refining system Download PDFInfo
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- CN219637302U CN219637302U CN202320607331.6U CN202320607331U CN219637302U CN 219637302 U CN219637302 U CN 219637302U CN 202320607331 U CN202320607331 U CN 202320607331U CN 219637302 U CN219637302 U CN 219637302U
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- China
- Prior art keywords
- impurity removal
- tank
- impurity
- reaction kettle
- communicated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 35
- 239000010931 gold Substances 0.000 title claims abstract description 35
- 238000007670 refining Methods 0.000 title description 6
- 239000012535 impurity Substances 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 238000006722 reduction reaction Methods 0.000 claims description 19
- 238000004090 dissolution Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims 3
- 230000008676 import Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 239000011521 glass Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a gold extraction system, which relates to the field of gold extraction and comprises a first impurity removal module, a second impurity removal module, an exhaust gas treatment unit and a buffer tank, wherein the buffer tank is communicated with the second impurity removal module through a pipeline, and the exhaust gas treatment unit is simultaneously communicated with the first impurity removal module and the second impurity removal module through pipelines; the first impurity removal module is provided with an impurity removal reaction kettle, the upper end of the impurity removal reaction kettle is communicated with the second condenser, and the lower end of the impurity removal reaction kettle is communicated with a liquid storage tank for storing silver-containing waste liquid. The sealed reaction kettle is adopted to replace equipment with poor safety performance such as a glass beaker, an electric furnace and the like used in the traditional process, so that the intrinsic safety of the equipment is improved, and meanwhile, the operation intensity and the potential safety hazard are reduced.
Description
Technical Field
The utility model relates to the field of gold extraction, in particular to a gold extraction system.
Background
In the gold wet purification process, a large amount of dangerous chemical solutions such as hydrochloric acid, nitric acid, sodium hydroxide, sodium sulfite and the like are required to be used for refining, and a plurality of procedures such as impurity removal, leaching separation, reduction or ingot casting are required.
The existing refining equipment mainly adopts glassware to carry various solutions manually, combines an electric furnace to carry out gold or refine, and needs to pour various solutions to chemical ware for purification in the refining process of a plurality of procedures. Splashing and splashing easily occurs during handling or pouring of the solution, resulting in burn staff. The glass beaker is manually used for pouring and filtering, so that the potential safety hazard is high.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a gold extraction system, which adopts a sealed reaction kettle to replace equipment with poor safety performance such as a glass beaker, an electric furnace and the like used in the traditional process, improves the intrinsic safety of the equipment, and reduces the operation intensity and the potential safety hazard.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the gold extraction system comprises a first impurity removal module, a second impurity removal module, an exhaust gas treatment unit and a buffer tank, wherein the buffer tank is communicated with the second impurity removal module through a pipeline, and the exhaust gas treatment unit is simultaneously communicated with the first impurity removal module and the second impurity removal module through pipelines;
the first impurity removal module is provided with an impurity removal reaction kettle, the upper end of the impurity removal reaction kettle is communicated with a second condenser, and the lower end of the impurity removal reaction kettle is communicated with a liquid storage tank for storing silver-containing waste liquid;
the second impurity removal module is formed by sequentially communicating a dissolution reaction kettle, a fine filter, a noble liquid storage tank, an impurity removal component, a reduction reaction kettle and a waste liquid tank through pipelines, wherein the upper end of the dissolution reaction kettle is communicated with a first condenser, the first condenser and the second condenser are both communicated with a refrigerator, the upper end of the reduction reaction kettle is also communicated with a reducing agent tank and a reducing liquid tank, and an inlet of the reducing liquid tank is communicated with an outlet of the reduction reaction kettle for circulating reducing liquid;
further, the impurity removing component is formed by sequentially communicating a first impurity removing groove, a first impurity removing tank, a second impurity removing groove and a second impurity removing tank through pipelines, wherein the first impurity removing groove and the first impurity removing tank form primary impurity removing, and the second impurity removing groove and the second impurity removing tank form secondary impurity removing.
Further, one end of the buffer tank is communicated with a vacuum pump for providing power through a pipeline, and the other end of the buffer tank is communicated with a noble liquid storage tank, a first impurity removal tank, a second impurity removal tank, a reducing agent tank, a reducing liquid tank and a waste liquid tank through pipelines.
Further, the bottoms of the first impurity removal tank, the second impurity removal tank, the reduction reaction kettle, the dissolution reaction kettle and the impurity removal reaction kettle are provided with filter discs.
The utility model has the beneficial effects that: according to the utility model, the sealed reaction kettle is used for purifying gold, so that various waste liquids can be prevented from being manually conveyed, and the labor intensity is reduced. And when the production is carried out by installing the reducing agent tank and the reducing agent tank at high positions, the reducing agent tank and the reducing agent tank can flow into corresponding reaction kettles in a closed mode automatically through the process flow, various reducing agents and reducing agents are replaced by pouring manually, and the reducing agent is prevented from splashing or splashing on workers. According to the utility model, the fine filter is arranged on the solution outlet pipeline at the lower end of the dissolution reaction kettle, so that the filtering effect of the solution is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a conventional gold extraction process.
In the figure, each serial number is represented as: 1. dissolving the reaction kettle; 101. a first condenser; 102. a noble liquid storage tank; 2. removing impurities in the reaction kettle; 201. a second condenser; 202. a liquid storage tank; 3. a filter tray; 4. a fine filter; 5. a first impurity removal tank; 6. a first impurity removal tank; 7. a second impurity removal tank; 8. a second impurity removal tank; 9. a reduction reaction kettle; 10. a waste liquid tank; 11. a waste liquid pump; 12. a buffer tank; 13. a vacuum pump; 14. a refrigerating machine; 15. a reducing agent tank; 16. a reducing liquid tank; 17. acid mist absorption tower.
Description of the embodiments
In order to make the object technical scheme and the beneficial effects of the present utility model clearer, the following detailed description of the preferred embodiments of the present utility model will be given with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
Referring to fig. 2, a schematic diagram of the existing gold extraction process is shown, in which it is required to add a reducing solution (hydrochloric acid, nitric acid, sodium hydroxide, sodium sulfite, etc. hereinafter collectively referred to as reducing solution) into a raw solution tank to perform reduction purification on gold, and then adding a gold mine agent and a reducing agent (iron powder, aluminum powder or zinc powder, etc. hereinafter collectively referred to as reducing agent) into the raw solution tank through a glass vessel. After the full reaction, spraying and leaching are carried out to a noble liquid pool, and then smelting is carried out in an electric furnace through carbon, so that gold is extracted (the actual extraction is more detailed, the extraction process is well known to the person skilled in the art, and the details are not repeated here). The solution is easy to splash or splash during the process of adding the reducing solution or the mineral agent, and has great potential safety hazard.
Compared with the prior art for purifying gold, the gold purifying device automatically adds various reducing agents and reducing liquid according to the process in a closed environment for reaction and extraction, and is provided with the fine filter and the impurity removing mechanism which are all carried out in the closed environment, so that the filtering effect is greatly improved. Meanwhile, various waste liquid can be prevented from being manually carried, the labor intensity is reduced, the probability of manually contacting the reducing liquid is reduced, and the potential safety hazard is reduced. And the reducing agent tank are arranged at high positions, so that the reducing agent can automatically flow into the corresponding reaction kettles in a closed mode through a process flow when the production is carried out, and the reducing agent is prevented from splashing or splashing on workers.
The following description refers to the accompanying drawings:
referring to fig. 1, a gold extraction system combines wet purification to remove impurities from gold, and the system mainly comprises a second impurity removal module, a first impurity removal module, an exhaust gas treatment unit and a buffer tank.
The first impurity removing module and the second impurity removing module are arranged together to share the waste gas treatment element, so that the installation cost of equipment is saved. The first impurity removal module is provided with an impurity removal reaction kettle 2 for dissolving silver-containing impurities in Huang Jinkuang agents. The second condenser 201 is communicated with the upper end of the impurity removal reaction kettle 2, has the same gas-liquid separation effect as the first condenser 101 of the second impurity removal module, and the first condenser (101) and the second condenser (201) are both communicated with the refrigerator (14) to provide cold air through the refrigerator (14). The lower end of the impurity removal reaction kettle 2 is communicated with a liquid storage tank 202, and is mainly used for storing silver-containing waste liquid discharged after impurity removal.
The second impurity removal module is formed by sequentially communicating a dissolution reaction kettle 1, a fine filter 4, a noble liquid storage tank 102, impurity removal components, a reduction reaction kettle 9 and a waste liquid tank 10 through pipelines, so that gold smelting waste liquid can be sequentially reacted and filtered according to the system process.
The dissolution reaction kettle 1 is mainly used for containing gold mineral powder, and a dissolving agent (aqua regia) is added into the dissolution reaction kettle to dissolve the mineral powder, and various vapors or waste gases can be generated in the dissolution process. The upper end of the dissolution reaction kettle 1 is communicated with a first condenser 101, and the first condenser 101 can convert gas or steam generated by the reaction in the dissolution reaction kettle 1 into liquid, thereby achieving gas-liquid separation. The main working mode is that the heat in the pipe is quickly transferred to the air near the pipe to realize cold-heat exchange.
The filter 4 takes filter paper as a filter medium, and carries out pressurized filtration on gold mixed liquor in a closed environment, belongs to precise clarification filter equipment, and can improve the filtration effect of gold to a certain extent.
The noble liquid storage tank 102 is used for containing the gold mixed liquid filtered by the fine filter 4, and because the fine filter 4 works for a long time, the gold mixed liquid is stored in the noble liquid storage tank 102 and can be concentrated to carry out the next treatment process, thereby saving the process energy consumption.
The impurity removing component is formed by sequentially communicating a first impurity removing groove 5, a first impurity removing tank 6, a second impurity removing groove 7 and a second impurity removing tank 8 through pipelines, the first impurity removing groove 5 and the first impurity removing tank 6 form primary impurity removing, the second impurity removing groove 7 and the second impurity removing tank 8 form secondary impurity removing, and the impurity removing effect of the two stages can be improved. The impurity removing tank is mainly used for removing impurities, the impurities are discharged through corresponding channels (not shown in the figure), the impurity removing tank is used for storing gold mixed liquid after the impurities are removed, and the gold mixed liquid can be stored in a concentrated mode for processing, so that the aim of saving energy is achieved.
The upper end of the reduction reaction kettle 9 is also communicated with a reducing agent tank 15 and a reducing liquid tank 16 which are respectively used for containing reducing agent and reducing liquid, and the inlet of the reducing liquid tank 16 is communicated with the outlet of the reduction reaction kettle 9 for circulating the reducing liquid. During production, reducing agent and reducing liquid are automatically added into the reduction reaction kettle 9 according to the process, and the reducing liquid circularly flows between the reducing liquid tank 16 and the reduction reaction kettle 9. After the full reaction, the waste liquid is discharged to a waste liquid tank 10, and is discharged to be processed in the next process through a waste liquid pump 11 communicated with the lower end of the waste liquid tank 10. And the produced gold-precipitated mineral powder (containing less than 5mg/L of trace gold) is mixed with lead anode slime and then returned to the fire process for recovery.
Referring to fig. 1 and 2, the tail end of the buffer tank 12 is communicated with a vacuum pump 13 through a pipeline, and the vacuum pump is used as a main power element, so that gold waste liquid can flow in the system. The front end of the buffer tank 12 is provided with a noble liquid storage tank 102, a first impurity removal tank 6, a second impurity removal tank 8, a reducing agent tank 15, a reducing liquid tank 16 and a waste liquid tank 10 through pipelines. Because the system is carried out in a closed environment, the buffer tank is arranged to prevent gold or silver-containing mixed liquid from flowing backwards, and the air pressure in the system can be stabilized.
The exhaust gas treatment unit is configured as an exhaust gas absorption assembly having therein an acid mist absorption tower 17 and other exhaust gas treatment assemblies such as a vacuum pump (not shown) and is mainly used for absorbing exhaust gas generated in the refining process. The gas (nitrogen oxide, sulfur dioxide, etc.) generated between the components is sent to an acid mist absorption tower (not shown in the figure) for treatment and then discharged to the air.
In some preferred embodiments, the bottoms of the first impurity removal tank 5, the second impurity removal tank 7, the reduction reaction kettle 9, the dissolution reaction kettle 1 and the impurity removal reaction kettle 2 are all provided with a filter disc 3, and impurities are further removed through the filter disc 3, so that the impurity removal efficiency of the system is effectively improved.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. The gold extraction system is characterized by comprising a first impurity removal module, a second impurity removal module, an exhaust gas treatment unit and a buffer tank (12), wherein the buffer tank (12) is communicated with the second impurity removal module through a pipeline, and the exhaust gas treatment unit is simultaneously communicated with the first impurity removal module and the second impurity removal module through pipelines;
the first impurity removal module is provided with an impurity removal reaction kettle (2), the upper end of the impurity removal reaction kettle (2) is communicated with a second condenser (201), and the lower end of the impurity removal reaction kettle is communicated with a liquid storage tank (202) for storing silver-containing waste liquid;
the second edulcoration module is by dissolving reation kettle (1), smart filter (4), noble liquid storage tank (102), edulcoration component, reduction reation kettle (9), waste liquid jar (10) are linked together in proper order through the pipeline and are constituted, dissolve reation kettle (1) upper end intercommunication has first condenser (101), first condenser (101) and second condenser (201) all communicate in refrigerator (14), reduction reation kettle (9) upper end still communicates there is reductant jar (15) and reduction fluid jar (16), reduction fluid jar (16) import intercommunication is used for circulating the reducing fluid in reduction reation kettle (9) export.
2. The gold extraction system of claim 1, wherein: the impurity removing component is formed by sequentially communicating a first impurity removing groove (5), a first impurity removing tank (6), a second impurity removing groove (7) and a second impurity removing tank (8) through pipelines, wherein the first impurity removing groove (5) and the first impurity removing tank (6) form primary impurity removing, and the second impurity removing groove (7) and the second impurity removing tank (8) form secondary impurity removing.
3. The gold extraction system of claim 2, wherein: one end of the buffer tank (12) is communicated with a vacuum pump (13) for providing power through a pipeline, and the other end of the buffer tank is communicated with a noble liquid storage tank (102), a first impurity removal tank (6), a second impurity removal tank (8), a reducing agent tank (15), a reducing liquid tank (16) and a waste liquid tank (10) through pipelines.
4. The gold extraction system of claim 2, wherein: the first impurity removal groove (5), the second impurity removal groove (7), the reduction reaction kettle (9), the dissolution reaction kettle (1) and the impurity removal reaction kettle (2) are respectively provided with a filter disc (3) at the bottoms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320607331.6U CN219637302U (en) | 2023-03-24 | 2023-03-24 | Gold refining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320607331.6U CN219637302U (en) | 2023-03-24 | 2023-03-24 | Gold refining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637302U true CN219637302U (en) | 2023-09-05 |
Family
ID=87822230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320607331.6U Active CN219637302U (en) | 2023-03-24 | 2023-03-24 | Gold refining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637302U (en) |
-
2023
- 2023-03-24 CN CN202320607331.6U patent/CN219637302U/en active Active
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