CN211057199U - Copper ore column leaching-extraction linkage test system - Google Patents
Copper ore column leaching-extraction linkage test system Download PDFInfo
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- CN211057199U CN211057199U CN201921862485.XU CN201921862485U CN211057199U CN 211057199 U CN211057199 U CN 211057199U CN 201921862485 U CN201921862485 U CN 201921862485U CN 211057199 U CN211057199 U CN 211057199U
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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 relates to a copper ore stone column leaching-extraction linkage test system, which comprises a leaching column, a heat preservation water bath circulator, a peristaltic pump, a liquid collecting barrel, an extraction mixer, a liquid separating device and an organic phase storage barrel; the liquid collecting barrel is connected with a liquid inlet of the leaching column through a peristaltic pump; the heat-preservation water bath circulator is used for controlling the temperature in the leaching column; the liquid outlet of the bottom of the leaching column is connected with the liquid inlet of the liquid collecting barrel, the liquid outlet of the liquid collecting barrel is connected with the extraction mixer, the liquid outlet of the extraction mixer is connected with the liquid separating device, the residual liquid after the liquid separating device is separated is transferred into the liquid collecting barrel, and the organic phase enters the organic phase storage barrel. The utility model discloses both prevent that closed circuit from leaching in the circulation leachate copper ion concentration too high restraines the effect of leaching, avoid opening a way again and leach in the circulation acid, iron concentration can not maintain and lead to the copper to leach the hypodynamia, can effectively simulate the bioleaching-the actual conditions of extraction production, obtain the test data that have the direct guidance meaning on the one hand and be used for the copper ore to leach production optimization.
Description
Technical Field
The utility model belongs to the technical field of the nonferrous metallurgy of wet process, concretely relates to copper ore stone column soaks-extraction linkage test system.
Background
Due to the obvious advantages of low cost, low energy consumption and the like, the bioleaching-extraction-electrodeposition process becomes the first choice for the economic utilization of the secondary copper sulfide ore. Chalcocite is used as a main occurrence mineral of secondary copper sulfide ore, the copper-containing grade of the chalcocite is greatly different in different ore bodies and is different even in the same ore body, for example, the rich ore grade of a certain copper ore in Burma can reach 4%, and the lean ore is as low as 0.04%. Different ores with different grades have different leaching rates during bioleaching, and conventional experiments cannot simulate actual production so as to obtain corresponding leaching rates.
SUMMERY OF THE UTILITY MODEL
The utility model provides a copper ore stone column soaks-extraction linkage test system, the technical problem that solve is: the actual effect of bioleaching-extraction production can be simulated, and the leaching rate can be obtained.
In order to solve the technical problem, the utility model provides a copper ore stone column soaks-extraction linkage test system which characterized in that: comprises a leaching column, a heat-preservation water bath circulator, a peristaltic pump, a liquid collecting barrel, an extraction mixer, a liquid separating device and an organic phase storage barrel; the liquid collecting barrel is connected with a liquid inlet of the leaching column through a peristaltic pump; the heat-preservation water bath circulator is used for controlling the temperature in the leaching column; the liquid outlet of the bottom of the leaching column is connected with the liquid inlet of the liquid collecting barrel, the liquid outlet of the liquid collecting barrel is connected with the extraction mixer, the liquid outlet of the extraction mixer is connected with the liquid separating device, the residual liquid after the liquid separating device is separated is transferred into the liquid collecting barrel, and the organic phase enters the organic phase storage barrel.
Has the advantages that: the utility model discloses both prevent that closed circuit from leaching in the circulation leachate copper ion concentration too high restraines the effect of leaching, avoid opening a way again and leach in the circulation acid, iron concentration can not maintain and lead to the copper to leach the hypodynamia, can effectively simulate the bioleaching-the actual conditions of extraction production, obtain the test data that have the direct guidance meaning on the one hand and be used for the copper ore to leach production optimization.
Drawings
Fig. 1 is a diagram of a test system of the utility model.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will be made in further detail with respect to the embodiments of the present invention.
The utility model provides a copper ore stone column soaks-extraction linkage test system which characterized in that: comprises a leaching column 1, a heat-preservation water bath circulator 2, a peristaltic pump 3, a liquid collecting barrel 4, an extraction mixer 5, a liquid separating device 6 and an organic phase storage barrel 7;
initially, the extraction mixer 5 is filled with a volume of extraction organic phase; the leaching column 1 is filled with target copper ore, and a certain volume of acidic iron-containing raffinate is injected into the liquid collecting barrel 4;
the liquid collecting barrel 4 sprays the acidic iron-containing raffinate into the leaching column 1 through the peristaltic pump 3;
the heat-preservation water bath circulator is used for controlling the temperature in the leaching column 1;
a liquid outlet at the bottom of the leaching column 1 is connected with a liquid inlet of the liquid collecting barrel, and leachate is collected in the liquid collecting barrel through the bottom of the leaching column 1;
the liquid outlet of the liquid collecting barrel is connected with the extraction mixer, the liquid outlet of the extraction mixer is connected with the liquid separating device, the residual liquid after the layering of the liquid separating device is transferred into the liquid collecting barrel, and the organic phase enters the organic phase storage barrel.
The working principle is as follows: periodically sampling the leachate collected in the liquid collecting barrel to analyze the copper concentration, and mixing the leachate with an extraction organic phase in an extraction mixer when the copper concentration of the leachate in the liquid collecting barrel is more than 3 g/l;
the fully mixed solution in the extraction mixer is transferred to a liquid separating device for standing and layering, the layered residual liquid is transferred to a liquid collecting barrel for circular leaching, the layered organic phase enters an organic phase storage barrel, and is regenerated after being back-extracted by 180g/l of sulfuric acid until the ore is leached to realize the expected leaching effect;
the copper leaching amount and the leaching rate in a fixed time period can be calculated according to the copper concentration sampled by the liquid collecting barrel 4 at regular time and the volume of the leaching liquid during sampling; different types of heaping arrangements are performed on the corresponding types of ores according to the leaching rate.
As shown in fig. 1, fig. 1 is a schematic diagram of a high-grade chalcocite column leaching-extraction linkage test system of the present invention. The average grade of a certain section of chalcocite ore body is 3.78%, after ore is filled in a bio-column leaching system of a leaching column, a heat-preservation water bath circulator, a peristaltic pump and a liquid collecting barrel in the picture 1, 18g/l of iron-containing production raffinate containing 15g/h of acid is sprayed and started, the liquid collecting barrel collects the leaching solution and performs daily analysis, when the copper concentration of the leaching solution is more than 3g/l, the leaching solution is transferred to an extraction mixer for extraction operation, then the solution is stood for layering through a liquid separating device, the layered raffinate returns to the liquid collecting barrel for cyclic leaching, and the layered organic phase is regenerated for later use through 180g/l of acid stripping. The ore leaching-extraction linkage operation is carried out for 60 days, and the leaching rate effect of 35 percent is achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (3)
1. A copper ore column leaching-extraction linkage test system is characterized in that: comprises a leaching column, a heat-preservation water bath circulator, a peristaltic pump, a liquid collecting barrel, an extraction mixer, a liquid separating device and an organic phase storage barrel; the liquid collecting barrel is connected with a liquid inlet of the leaching column through a peristaltic pump; the heat-preservation water bath circulator is used for controlling the temperature in the leaching column; the liquid outlet of the bottom of the leaching column is connected with the liquid inlet of the liquid collecting barrel, the liquid outlet of the liquid collecting barrel is connected with the extraction mixer, the liquid outlet of the extraction mixer is connected with the liquid separating device, the residual liquid after the liquid separating device is separated is transferred into the liquid collecting barrel, and the organic phase enters the organic phase storage barrel.
2. The copper ore column leaching-extracting linkage test system according to claim 1, characterized in that: the extraction mixer is filled with a certain volume of extraction organic phase, and the liquid collecting barrel is filled with a certain volume of acidic iron-containing raffinate.
3. The copper ore column leaching-extracting linkage test system according to claim 1, characterized in that: the leaching column 1 is filled with target copper ore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862485.XU CN211057199U (en) | 2019-10-31 | 2019-10-31 | Copper ore column leaching-extraction linkage test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862485.XU CN211057199U (en) | 2019-10-31 | 2019-10-31 | Copper ore column leaching-extraction linkage test system |
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| CN211057199U true CN211057199U (en) | 2020-07-21 |
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| CN201921862485.XU Active CN211057199U (en) | 2019-10-31 | 2019-10-31 | Copper ore column leaching-extraction linkage test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184441A (en) * | 2021-10-19 | 2022-03-15 | 威凯检测技术有限公司 | Preparation device and method of animal-derived medical instrument biological safety evaluation experiment leaching liquor |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184441A (en) * | 2021-10-19 | 2022-03-15 | 威凯检测技术有限公司 | Preparation device and method of animal-derived medical instrument biological safety evaluation experiment leaching liquor |
| CN114184441B (en) * | 2021-10-19 | 2024-04-05 | 威凯检测技术有限公司 | Preparation device and method of animal-derived medical instrument biosafety evaluation experiment leaching solution |
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