CN204779757U - Cobalt nickel hydrometallurgy in -process cobalt nickel separation and purification production line - Google Patents
Cobalt nickel hydrometallurgy in -process cobalt nickel separation and purification production line Download PDFInfo
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- CN204779757U CN204779757U CN201520501847.8U CN201520501847U CN204779757U CN 204779757 U CN204779757 U CN 204779757U CN 201520501847 U CN201520501847 U CN 201520501847U CN 204779757 U CN204779757 U CN 204779757U
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Abstract
The utility model relates to a cobalt nickel hydrometallurgy in -process cobalt nickel separation and purification production line, the P507 extractant gets into multistage countercurrent extraction groove by the extractant import, the mixed liquid of cobalt nickel sodium is in multistage countercurrent extraction groove extraction function section through multistage countercurrent extraction, surplus liquid is discharged by the raffinate export behind the collection cobalt nickel, it washes the sodium extraction tank to get into multistage adverse current organically mutually, wash that sodium is sour to be washed the multistage adverse current of sodium extraction tank through multistage adverse current and wash sodium, the aqueous phase is returned and is delivered to the imported mixture of the mixed liquid of cobalt nickel sodium, it washes the nickel extraction tank to get into multistage adverse current organically mutually, wash nickel solution and wash the exchange of the multistage adverse current cobalt nickel of nickel extraction tank through multistage adverse current, nickel solution is discharged by the nickel salt export, it washes the cobalt extraction tank to get into multistage adverse current organically mutually, wash that the cobalt is sour to be washed the multistage adverse current of cobalt extraction tank through multistage adverse current and wash the cobalt, cobalt solution, organic looks extractant is discharged, and the chlorine can be circularly used. The integrative extraction of the mixed liquid of cobalt nickel sodium need not to extract in addition the line, saves manufacturing cost, reduces operation.
Description
Technical field
The utility model relates to cobalt nickel hydrometallurgical plant, is cobalt nickel separating-purifying production line in a kind of cobalt nickel hydrometallurgy process specifically.
Background technology
In cobalt nickel hydrometallurgical processes, it be last is also necessary operation that cobalt nickel is separated, but with cobalt nickel mixing mineral aggregate (as rough cobaltous hydroxide nickel, rough cobaltous sulfide nickel, nickel cobalt manganese lithium cell waste material etc.) in the Whote-wet method technique extraction process of raw material, traditional cobalt nickel purification & isolation is: cobalt raw material is through reducing leaching, yellow sodium ferrum vanadium process iron removal step, Sodium Fluoride demagging, after P204 removal of impurities, P507 extraction tank is used (to comprise extraction functional section again, washing function section, wash cobalt functional section) carry out the separation of cobalt nickel, extraction agent is at extraction functional section, cobalt in cobalt nickel sodium mixed solution is extracted in extraction agent, but a small amount of nickel and sodium also can be entrained in extraction agent simultaneously, extraction agent enters washing function section afterwards, by the dilute sulphuric acid of 1.0-1.2mol/L concentration, the nickel brought into and sodium are washed, extraction agent enters and washes cobalt functional section afterwards, by the hydrochloric acid (or sulfuric acid of 2.0-2.5mol/L) of 5.0-5.5mol/L, cobalt backwash from extraction agent is got off, form cobalt chloride (or rose vitriol) solution, blank extraction agent recycles.And nickel from extraction functional section out, (nickel solution sodium ion is now very high, reach more than 100g/L, nickel concentration is also very low in addition, lower than 30g/L, be not suitable for direct use), nickel solution one is afterwards: precipitate into rough nickelous sulfide or nickelous carbonate by sodium sulphite or soda ash, sells as thick product, and two is undertaken purifying and enrichment by a P507 extraction tank again, and form high-purity sulphuric acid nickel or nickel chloride solution, for subsequent processing directly.The shortcoming of this cobalt nickel separation method is: nickel is if make rough nickelous sulfide or nickelous carbonate sale, then added value is very low, consumes sodium sulphite or soda ash simultaneously, increases cost, and can strengthen the cost of cobalt purification; As made high-purity sulphuric acid nickel or nickelous chloride, then need increase P507 to extract line, increase investment, increase operation sequence, and the cost of cobalt purification can be strengthened equally.
But as being separated and cobalt nickel of purifying in same P507 extraction tank simultaneously, (this extraction tank comprises extraction functional section, wash sodium functional section, wash nickel functional section, back extraction functional section), that extraction agent is at extraction functional section equally, cobalt in cobalt nickel sodium mixed solution is extracted in extraction agent, simultaneously also have a small amount of nickel and sodium also can be entrained in extraction agent, extraction agent enters and washes sodium functional section afterwards, by the dilute sulphuric acid of 0.1-0.15mol/L, the sodium brought into is washed, extraction agent enters and washes nickel functional section afterwards, be 3.5-4.0 by pH value, cobalt chloride (or the 120-130g/L rose vitriol) solution of 150-160g/L is changed the nickel in extraction agent by metal ion, formation nickelous chloride or nickel sulfate solution are from washing nickel functional section out, extraction agent enters and washes cobalt functional section simultaneously, the hydrochloric acid (or sulfuric acid of 2.0-2.5mol/L) crossing 5.0-5.5mol/L gets off cobalt backwash from extraction agent, the cobalt liquor PH simultaneously controlling to wash is 3.5-4.0, form cobalt chloride (or rose vitriol) solution, blank extraction agent recycles.Do not increasing operation sequence like this, when not increasing extraction line in addition, the higher high-purity sulphuric acid nickel of added value or nickel chloride solution can obtained simultaneously.
Summary of the invention
The purpose of this utility model is loaded down with trivial details for extracting operation in prior art, that equipment is many, cost is high deficiencies, and cobalt nickel separating-purifying production line in the cobalt nickel hydrometallurgy process that a kind of structure provided is simple, simple operation, extraction cost are low.
The technical solution adopted in the utility model is: cobalt nickel separating-purifying production line in a kind of cobalt nickel hydrometallurgy process, comprise multi-stage counter current extraction groove, multi-stage countercurrent washes sodium extraction tank, multi-stage countercurrent washes nickel extraction tank and multi-stage countercurrent washes cobalt extraction tank, above-mentioned extraction tank is equipped with mixing section and clarifying chamber, the mixing section of the first step counter-current extraction groove of multi-stage counter current extraction groove is provided with extraction agent import, the clarifying chamber of the first step counter-current extraction groove of multi-stage counter current extraction groove is provided with raffinate outlet, the mixing section of the last step counter-current extraction groove of multi-stage counter current extraction groove is provided with the import of cobalt nickel sodium mixed solution, the clarifying chamber of the last step counter-current extraction groove of multi-stage counter current extraction groove is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is communicated with the import of cobalt nickel sodium mixed solution, the mixing section that the last step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is provided with washes sodium acid import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is communicated with the first step adverse current that multi-stage countercurrent washes nickel extraction tank and washes nickel extraction tank mixing section, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is provided with nickel salt outlet, the mixing section that the last one set adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is provided with washes nickel solution import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with cobalt salt outlet, the mixing section that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with washes cobalt acid import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with extraction agent outlet.
The import of described extraction agent outlet extraction agent.
During utility model works, P507 extraction agent enters multi-stage counter current extraction groove by extraction agent import, cobalt nickel sodium mixed solution is entered by the import of cobalt nickel sodium mixed solution, at multi-stage counter current extraction groove extraction functional section through multi-stage counter current extraction, cobalt nickel in aqueous phase extracts in organic phase, the sodium ion of trace can be carried secretly simultaneously, after extraction cobalt nickel, remaining liquid is discharged by raffinate outlet, organic phase enters multi-stage countercurrent and washes sodium extraction tank afterwards, wash sodium acid to enter by washing sodium acid import, wash sodium extraction tank multi-stage countercurrent through multi-stage countercurrent and wash sodium, sodium ion washes in aqueous phase, wash sodium aqueous phase return deliver to the import of cobalt nickel sodium mixed solution mixing, wash the organic phase after sodium to enter multi-stage countercurrent and wash nickel extraction tank, wash nickel solution to enter by washing nickel solution import, wash nickel extraction tank multi-stage countercurrent cobalt nickel through multi-stage countercurrent to exchange, nickel in organic phase exchanges in aqueous phase, form pure nickel solution and export discharge by nickel salt, organic phase enters multi-stage countercurrent and washes cobalt extraction tank afterwards, wash cobalt acid to enter by washing cobalt acid import, wash cobalt extraction tank multi-stage countercurrent through multi-stage countercurrent and wash cobalt, cobalt washing in organic phase is in aqueous phase, form pure cobalt liquor and export discharge by cobalt salt, simultaneously clean organic extractant phase agent is exported by extraction agent and discharges, can be recycled.The one extraction of cobalt nickel sodium mixed solution, without the need to extracting line in addition, saving production cost, reducing operation sequence.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: multi-stage counter current extraction groove 1, mixing section 101, clarifying chamber 102, extraction agent import 103, raffinate outlet 104, cobalt nickel sodium mixed solution import 105, multi-stage countercurrent washes sodium extraction tank 2, and wash sodium acid import 201, multi-stage countercurrent washes nickel extraction tank 3, wash nickel solution import 301, nickel salt outlet 302, multi-stage countercurrent washes cobalt extraction tank 4, washes cobalt acid import 401, cobalt salt outlet 402, extraction agent outlet 403.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Shown in Fig. 1, in a kind of cobalt nickel hydrometallurgy process, cobalt nickel separating-purifying production line comprises multi-stage counter current extraction groove 1, multi-stage countercurrent washes sodium extraction tank 2, multi-stage countercurrent washes nickel extraction tank 3 and multi-stage countercurrent washes cobalt extraction tank 4, above-mentioned extraction tank is equipped with mixing section and clarifying chamber, the mixing section 101 of the first step counter-current extraction groove of multi-stage counter current extraction groove 1 is provided with extraction agent import 103, the clarifying chamber 102 of the first step counter-current extraction groove of multi-stage counter current extraction groove 1 is provided with raffinate outlet 104, the mixing section of the last step counter-current extraction groove of multi-stage counter current extraction groove 1 is provided with cobalt nickel sodium mixed solution import 105, the clarifying chamber of the last step counter-current extraction groove of multi-stage counter current extraction groove 1 is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes sodium extraction tank 2 washes sodium extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes sodium extraction tank 2 washes sodium extraction tank is communicated with cobalt nickel sodium mixed solution import 105, the mixing section that the last step adverse current that multi-stage countercurrent washes sodium extraction tank 2 washes sodium extraction tank is provided with washes sodium acid import 201, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes sodium extraction tank 2 washes sodium extraction tank is communicated with the first step adverse current that multi-stage countercurrent washes nickel extraction tank 3 and washes nickel extraction tank mixing section, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes nickel extraction tank 3 washes nickel extraction tank is provided with nickel salt outlet 302, the mixing section that the last one set adverse current that multi-stage countercurrent washes nickel extraction tank 3 washes nickel extraction tank is provided with washes nickel solution import 301, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes nickel extraction tank 3 washes nickel extraction tank is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes cobalt extraction tank 4 washes cobalt extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes cobalt extraction tank 4 washes cobalt extraction tank is provided with cobalt salt outlet 402, the mixing section that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank 4 washes cobalt extraction tank is provided with washes cobalt acid import 401, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank 4 washes cobalt extraction tank is provided with extraction agent outlet 403, extraction agent outlet 403 can be stored up extraction agent or be communicated with extraction agent import 103 and recycle.
Claims (2)
1. cobalt nickel separating-purifying production line in a cobalt nickel hydrometallurgy process, it is characterized in that: comprise multi-stage counter current extraction groove, multi-stage countercurrent washes sodium extraction tank, multi-stage countercurrent washes nickel extraction tank and multi-stage countercurrent washes cobalt extraction tank, above-mentioned extraction tank is equipped with mixing section and clarifying chamber, the mixing section of the first step counter-current extraction groove of multi-stage counter current extraction groove is provided with extraction agent import, the clarifying chamber of the first step counter-current extraction groove of multi-stage counter current extraction groove is provided with raffinate outlet, the mixing section of the last step counter-current extraction groove of multi-stage counter current extraction groove is provided with the import of cobalt nickel sodium mixed solution, the clarifying chamber of the last step counter-current extraction groove of multi-stage counter current extraction groove is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is communicated with the import of cobalt nickel sodium mixed solution, the mixing section that the last step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is provided with washes sodium acid import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes sodium extraction tank washes sodium extraction tank is communicated with the first step adverse current that multi-stage countercurrent washes nickel extraction tank and washes nickel extraction tank mixing section, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is provided with nickel salt outlet, the mixing section that the last one set adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is provided with washes nickel solution import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes nickel extraction tank washes nickel extraction tank is communicated with the mixing section that first step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank, the clarifying chamber that the first step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with cobalt salt outlet, the mixing section that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with washes cobalt acid import, the clarifying chamber that the last step adverse current that multi-stage countercurrent washes cobalt extraction tank washes cobalt extraction tank is provided with extraction agent outlet.
2. cobalt nickel separating-purifying production line in a kind of cobalt nickel hydrometallurgy process according to claim 1, is characterized in that: the import of described extraction agent outlet extraction agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520501847.8U CN204779757U (en) | 2015-07-13 | 2015-07-13 | Cobalt nickel hydrometallurgy in -process cobalt nickel separation and purification production line |
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| CN201520501847.8U CN204779757U (en) | 2015-07-13 | 2015-07-13 | Cobalt nickel hydrometallurgy in -process cobalt nickel separation and purification production line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270070A (en) * | 2018-12-04 | 2020-06-12 | 格林美（江苏）钴业股份有限公司 | Washing method and device for P507 cobalt extraction system |
| CN113227419A (en) * | 2018-12-27 | 2021-08-06 | 捷客斯金属株式会社 | Method for recovering valuable metals |
| CN113718116A (en) * | 2021-08-30 | 2021-11-30 | 安徽南都华铂新材料科技有限公司 | Method for extracting nickel, cobalt and manganese from acidic lithium-rich solution |
-
2015
- 2015-07-13 CN CN201520501847.8U patent/CN204779757U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270070A (en) * | 2018-12-04 | 2020-06-12 | 格林美（江苏）钴业股份有限公司 | Washing method and device for P507 cobalt extraction system |
| CN113227419A (en) * | 2018-12-27 | 2021-08-06 | 捷客斯金属株式会社 | Method for recovering valuable metals |
| CN113718116A (en) * | 2021-08-30 | 2021-11-30 | 安徽南都华铂新材料科技有限公司 | Method for extracting nickel, cobalt and manganese from acidic lithium-rich solution |
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| C14 | Grant of patent or utility model | ||
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Address after: 225400 No. 8 Binjiang North Road, Taixing Economic Development Zone, Jiangsu Patentee after: Grammy (Jiangsu) cobalt industry Limited by Share Ltd Address before: 225400 Taixing Economic Development Zone, Jiangsu, Binjiang, North Road, No. 8, No. Patentee before: Jiangsu Cobalt Nickel Metal Co., Ltd. |