CN220597608U - Extraction device for extracting lithium from salt lake - Google Patents
Extraction device for extracting lithium from salt lake Download PDFInfo
- Publication number
- CN220597608U CN220597608U CN202321836973.XU CN202321836973U CN220597608U CN 220597608 U CN220597608 U CN 220597608U CN 202321836973 U CN202321836973 U CN 202321836973U CN 220597608 U CN220597608 U CN 220597608U
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- China
- Prior art keywords
- sleeve
- salt lake
- extraction device
- extracting lithium
- rectifier
- Prior art date
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- 238000000605 extraction Methods 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000005352 clarification Methods 0.000 claims abstract description 30
- 239000012267 brine Substances 0.000 claims abstract description 27
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000012074 organic phase Substances 0.000 claims abstract description 18
- 239000012071 phase Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000008346 aqueous phase Substances 0.000 abstract description 7
- 239000003595 mist Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- GCICAPWZNUIIDV-UHFFFAOYSA-N lithium magnesium Chemical compound [Li].[Mg] GCICAPWZNUIIDV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 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
- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model provides an extraction device for extracting lithium from a salt lake, which is characterized in that a stirrer is arranged in an extraction chamber, so that the extraction agent and brine are fully mixed; the mixed liquid of the full mixed flow is converted into a plug flow form through the rectifier, so that the mixed liquid is convenient to clarify and layer in the clarification separation chamber; the silk screen demister is arranged behind the rectifier to remove mist in the mixed liquid, so that layering of two phases of an organic phase and a water phase is prevented from being influenced; through setting up the interface regulator in the clarification separation chamber to get into the sleeve with the aqueous phase from the lower extreme of sleeve fretwork in to overflow to in the flexible overflow pipe of ripple shape, the aqueous phase export that sets up in the bottom of clarification separation chamber through the setting that communicates to the flexible overflow pipe bottom of ripple shape flows out, and the organic phase is followed the organic phase export that sets up on the clarification separation chamber lateral wall and is flowed out. The extraction device for extracting lithium from the salt lake has the advantages of simple integral structure, easy construction and good extraction and separation effects.
Description
Technical Field
The utility model belongs to the technical field of extraction, and particularly relates to an extraction device for extracting lithium from a salt lake.
Background
With the rapid development of portable electronic devices and electric automobiles in recent years, the application of lithium in the field of novel energy materials is increasingly emerging, and the development and utilization of lithium are also receiving high attention. Lithium is mainly present in ore and salt lake brine resources, wherein the lithium storage in salt lake brine is up to more than 70%. The process for extracting lithium from the salt lake brine is simple, low in energy consumption, free of complex processes of ore processing and decomposition, free of generation of a large amount of acidic or alkaline solid waste residues and environment-friendly. Therefore, compared with the ore lithium extraction process, the salt lake brine lithium extraction process has obvious technical and economic advantages, and is a main way for producing world lithium products.
The solvent extraction technology is an effective technology for separating and extracting various metals from liquid, has the advantages of high separation efficiency, simple process equipment, strong operation continuity and easy realization of automation, and is one of the best methods for extracting lithium from salt lakes with high magnesium-lithium ratio.
Disclosure of Invention
The utility model aims to provide a novel extraction device for extracting lithium from a salt lake.
For this purpose, the above object of the present utility model is achieved by the following technical solutions:
the extraction device for extracting lithium from the salt lake comprises an extraction chamber and a clarification separation chamber, wherein the extraction chamber and the clarification separation chamber are separated by a silk screen foam remover;
the extraction chamber is internally provided with a stirrer and a rectifier, the stirrer and the rectifier are positioned at the upstream and downstream of the liquid flow direction, and the side wall of the extraction chamber is provided with an extractant feed inlet and a brine feed inlet;
an organic phase outlet is formed in the side wall of the clarification separation chamber, and an interface regulator is arranged in the clarification separation chamber;
the interface adjuster includes: the device comprises a sleeve, a corrugated telescopic overflow pipe arranged in the sleeve and an adjusting hand wheel arranged outside the sleeve;
the lower end of the sleeve is hollowed out, and the upper end of the sleeve is isolated from liquid;
a gap is reserved between the outer side wall of the corrugated telescopic overflow pipe and the inner side wall of the sleeve so as to overflow liquid upwards, the upper end of the corrugated telescopic overflow pipe is lower than the upper end of the sleeve, the top and the bottom of the corrugated telescopic overflow pipe are hollowed out, and the hollowed-out bottom of the corrugated telescopic overflow pipe is communicated with a water phase outlet arranged at the bottom of the clarification separation chamber;
the adjusting hand wheel comprises an adjusting rod and a rotating wheel, the lower end of the adjusting rod is limited to the corrugated telescopic overflow pipe, and the middle part of the adjusting rod is rotationally connected with the sleeve; the rotating wheel rotates to lift or shrink the height of the corrugated telescopic overflow pipe.
The utility model can also adopt or combine the following technical proposal when adopting the technical proposal:
as a preferred technical scheme of the utility model: the extractant feed inlet and the brine feed inlet are arranged oppositely and are approximately perpendicular to the liquid flow direction. Through setting up extractant feed inlet and brine feed inlet relatively, can make both feeding hedging, the rethread agitator stirs, can make between extractant and the brine both mix better to promote extraction effect.
As a preferred technical scheme of the utility model: a partition plate is further arranged in the space between the stirrer and the rectifier, a space exists between the partition plate and the rectifier, and the upper edge of the partition plate is wavy. The baffle with the wave-shaped upper edge is additionally arranged, so that the baffle with the wave-shaped upper edge forms a first rectifying effect, a certain space is reserved between the baffle and the rectifier, and the baffle is used as a barrier to prevent the stirring of the stirrer from influencing the rectifying effect of the subsequent rectifier.
As a preferred technical scheme of the utility model: the upper edge of the partition plate is higher than the heights of the extractant feed inlet and the brine feed inlet. By setting the upper edge of the partition plate higher than the extractant feed port and the brine feed port, the flow of insufficiently mixed extractant and brine from the upper edge of the partition plate into the rectifier is avoided.
As a preferred technical scheme of the utility model: the rectifier is formed by stacking a plurality of wavy rectifying plates, and the wavy side surfaces of the rectifying plates are consistent with the flow direction of liquid.
As a preferred technical scheme of the utility model: the wave trough of the wave rectifying plate is overlapped with the wave crest of the adjacent wave rectifying plate, and the wave crest of the wave rectifying plate is overlapped with the wave trough of the adjacent wave rectifying plate to form a honeycomb-shaped rectifier side face.
As a preferred technical scheme of the utility model: the wave trough of the wave rectifying plate is overlapped with the wave trough of the adjacent wave rectifying plate, the wave crest of the wave rectifying plate is overlapped with the wave crest of the adjacent wave rectifying plate, and a certain gap is reserved between the two adjacent wave rectifying plates for circulating liquid.
As a preferred technical scheme of the utility model: the organic phase outlet is arranged on the downstream side of the liquid flow direction of the clarification separation chamber.
As a preferred technical scheme of the utility model: the top of the sleeve is higher than the liquid level, the top of the sleeve is hollowed out and is provided with a supporting rod, the middle of the supporting rod is provided with a threaded hole, and the position of the adjusting rod corresponding to the threaded hole is provided with external threads. The top of the sleeve is set to be higher than the liquid level, so that the bottom of the sleeve is not affected by liquid even if the sleeve is hollowed out.
As a preferred technical scheme of the utility model: the top of the sleeve is sealed, a threaded hole is formed in the center of the top of the sleeve, and external threads are arranged at positions of the adjusting rod corresponding to the threaded hole. The top of the sleeve is sealed to isolate the upper liquid (mainly organic phase).
The utility model provides an extraction device for extracting lithium from a salt lake, which is characterized in that a stirrer is arranged in an extraction chamber, so that the extraction agent and brine are fully mixed; the mixed liquid of the full mixed flow is converted into a plug flow form through the rectifier, so that the mixed liquid is convenient to clarify and layer in the clarification separation chamber; the silk screen demister is arranged behind the rectifier to remove mist in the mixed liquid, so that layering of two phases of an organic phase and a water phase is prevented from being influenced; through setting up the interface regulator in the clarification separation chamber to get into the sleeve with the aqueous phase from the lower extreme of sleeve fretwork in to overflow to in the flexible overflow pipe of ripple shape, the aqueous phase export that sets up in the bottom of clarification separation chamber through the setting that communicates to the flexible overflow pipe bottom of ripple shape flows out, and the organic phase is followed the organic phase export that sets up on the clarification separation chamber lateral wall and is flowed out. The extraction device for extracting lithium from the salt lake has the advantages of simple integral structure, easy construction and good extraction and separation effects.
Drawings
Fig. 1 is a perspective view of an extraction device for extracting lithium from a salt lake, provided by the utility model;
fig. 2 is a top view of the extraction device for extracting lithium from a salt lake provided by the utility model;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a perspective view, in half section, of the interface adjuster position;
FIG. 5a is a form of rectifier;
FIG. 5b is another version of a rectifier;
in the figure: 110-an extraction chamber; 111-an extractant feed inlet; 112-brine feed inlet; 113-a stirrer; 120-a clarification separation chamber; 121-an organic phase outlet; 122-aqueous phase outlet; 123-interface adjuster; 1231-sleeve; 1232-corrugated telescoping overflow tube; 1233-adjusting handwheels; 1231 a-support bar; 1233 A-Adjustment lever; 1233 b-wheel; 131-separator; 132-rectifier; 133-wire mesh demister.
Detailed Description
The utility model will be described in further detail with reference to the drawings and specific embodiments.
An extraction device for extracting lithium from a salt lake comprises an extraction chamber 110 and a clarification separation chamber 120, wherein the extraction chamber 110 and the clarification separation chamber 120 are separated by a wire mesh demister 133;
the extraction chamber 110 is internally provided with a stirrer 113 and a rectifier 132, the stirrer 113 and the rectifier 132 are positioned at the upstream and downstream of the liquid flow direction, and the side wall of the extraction chamber 110 is provided with an extractant feed inlet 111 and a brine feed inlet 112;
an organic phase outlet 121 is arranged on the side wall of the clarification separation chamber 120, and an interface regulator 123 is arranged in the clarification separation chamber 120;
the interface adjuster 123 includes: a sleeve 1231, a corrugated telescoping overflow tube 1232 inside the sleeve 1231, and an adjusting handwheel 1233 outside the sleeve 1231;
the lower end of the sleeve 1231 is hollowed out, and the upper end of the sleeve 1231 is isolated from liquid;
a gap is formed between the outer side wall of the corrugated telescopic overflow pipe 1232 and the inner side wall of the sleeve 1231 so as to overflow liquid upwards, the upper end of the corrugated telescopic overflow pipe 1232 is lower than the upper end of the sleeve 1231, the top and the bottom of the corrugated telescopic overflow pipe 1232 are hollowed out, and the hollowed-out bottom of the corrugated telescopic overflow pipe 1232 is communicated with the water phase outlet 122 arranged at the bottom of the clarification and separation chamber 120;
the adjusting hand wheel 1233 comprises an adjusting rod 1233a and a rotating wheel 1233b, the lower end of the adjusting rod 1233a is limited to the corrugated telescopic overflow pipe 1232, and the middle part of the adjusting rod 1233a is rotationally connected with the sleeve 1231; the wheel 1233b rotates to raise or lower the height of the corrugated telescoping overflow pipe 1232.
In this embodiment: extractant feed port 111 and brine feed port 112 are disposed opposite and are both generally perpendicular to the liquid flow direction. Through setting up extractant feed inlet 111 and brine feed inlet 112 relatively, can make both feeding hedging, the rethread agitator 113 stirs, can make between extractant and the brine both better mix to promote extraction effect.
In this embodiment: a partition plate 131 is further arranged in the space between the stirrer 113 and the rectifier 132, and the upper edge of the partition plate 131 is wavy. The baffle 131 with the wavy upper edge is additionally arranged, so that the baffle 131 with the wavy upper edge forms a first rectifying effect, meanwhile, a certain space is reserved between the baffle 131 and the rectifier 132, the baffle 131 serves as a barrier, and the influence of the stirring of the stirrer 113 on the rectifying effect of the subsequent rectifier 132 is avoided.
The upper edge of the partition 131 is higher than the heights of the extractant feed port 111 and the brine feed port 112. By setting the upper edge of the partition plate 131 higher than the extractant feed port 111 and the brine feed port 112, the flow of the insufficiently mixed extractant and brine from the upper edge of the partition plate 131 into the rectifier 132 is avoided.
In this embodiment: the rectifier 132 is formed by stacking a plurality of wave-shaped rectifying plates, and the wave-shaped sides of the rectifying plates coincide with the flow direction of the liquid.
As shown in fig. 5a, the wave troughs of the wave rectifying plates overlap with the wave crests of the adjacent wave rectifying plates, and the wave crests of the wave rectifying plates overlap with the wave troughs of the adjacent wave rectifying plates to form sides of the honeycomb-shaped rectifier 132.
Of course, in other embodiments, the wave trough of the wave rectifying plate and the wave trough of the adjacent wave rectifying plate may be overlapped, the wave crest of the wave rectifying plate and the wave crest of the adjacent wave rectifying plate are overlapped, and a certain gap is formed between the two adjacent wave rectifying plates to circulate the liquid, as shown in fig. 5 b.
In this embodiment: the organic phase outlet 121 is provided on the downstream side of the liquid flow direction of the clarification separation chamber 120.
In this embodiment: the top of sleeve 1231 is higher than the height of liquid level, and sleeve 1231's top fretwork just is equipped with bracing piece 1231a, and bracing piece 1231a middle part has the screw hole, and regulation pole 1233a sets up the external screw thread in the position corresponding with the screw hole. The top of the sleeve 1231 is set to be higher than the liquid level, and therefore, even if the bottom of the sleeve 1231 is hollowed out, the bottom of the sleeve 1231 is not affected by the liquid.
Of course, in other embodiments, the top of the sleeve 1231 may be sealed, a threaded hole may be provided in the center of the top of the sleeve 1231, and the adjusting rod 1233a may be provided with an external thread at a position corresponding to the threaded hole. The top of the sleeve 1231 is sealed to isolate the upper liquid (mainly organic phase).
Specifically, the extractant enters the extraction chamber 110 through the extractant feed port 111 and the brine through the brine feed port 112 in a hedging manner, and is stirred by the stirrer 113 to enhance the mixing effect between the extractant and the brine, and then the mixed liquid forms a first rectifying effect through the baffle plate 131 with the wavy upper edge, and is rectified again through the rectifier 132; a certain space is also provided between the baffle plate 131 and the rectifier 132, and the baffle plate 131 serves as a barrier to prevent the stirring of the stirrer 113 from influencing the rectifying effect of the subsequent rectifier 132. The liquid rectified by the rectifier 132 is subjected to defoaming through the wire mesh demister 133, so that the mist in the mixed liquid is removed, and the layering of the two phases of the organic phase and the water phase is avoided; then, the liquid enters the clarification separation chamber 120 for clarification and delamination, the upper organic phase flows out from the organic phase outlet 121, the lower aqueous phase enters the hollow lower end of the sleeve 1231 of the interface adjuster 123, and thus enters the overflow gap between the sleeve 1231 and the corrugated telescopic overflow pipe 1232, enters the corrugated telescopic overflow pipe 1232, and flows out from the aqueous phase outlet 122 at the bottom of the clarification separation chamber 120.
The purpose of the adjusting handwheel 1233 and the corrugated telescopic overflow pipe 1232 in the interface adjuster 123 is to control the overflow height of the water phase, so as to achieve the purpose of adjusting the height of the interface between two phases, so as to meet the daily production requirement.
The above detailed description is intended to illustrate the present utility model by way of example only and not to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the precise embodiments disclosed, and any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. An extraction device for extracting lithium from a salt lake, which is characterized in that: the extraction device for extracting lithium from the salt lake comprises an extraction chamber and a clarification separation chamber, wherein the extraction chamber and the clarification separation chamber are separated by a silk screen foam remover;
the extraction chamber is internally provided with a stirrer and a rectifier, the stirrer and the rectifier are positioned at the upstream and downstream of the liquid flow direction, and the side wall of the extraction chamber is provided with an extractant feed inlet and a brine feed inlet;
an organic phase outlet is formed in the side wall of the clarification separation chamber, and an interface regulator is arranged in the clarification separation chamber;
the interface adjuster includes: the device comprises a sleeve, a corrugated telescopic overflow pipe arranged in the sleeve and an adjusting hand wheel arranged outside the sleeve;
the lower end of the sleeve is hollowed out, and the upper end of the sleeve is isolated from liquid;
a gap is reserved between the outer side wall of the corrugated telescopic overflow pipe and the inner side wall of the sleeve so as to overflow liquid upwards, the upper end of the corrugated telescopic overflow pipe is lower than the upper end of the sleeve, the top and the bottom of the corrugated telescopic overflow pipe are hollowed out, and the hollowed-out bottom of the corrugated telescopic overflow pipe is communicated with a water phase outlet arranged at the bottom of the clarification separation chamber;
the adjusting hand wheel comprises an adjusting rod and a rotating wheel, the lower end of the adjusting rod is limited to the corrugated telescopic overflow pipe, and the middle part of the adjusting rod is rotationally connected with the sleeve; the rotating wheel rotates to lift or shrink the height of the corrugated telescopic overflow pipe.
2. The extraction device for extracting lithium from salt lake according to claim 1, wherein: the extractant feed inlet and the brine feed inlet are arranged oppositely and are approximately perpendicular to the liquid flow direction.
3. The extraction device for extracting lithium from salt lake according to claim 1, wherein: a partition plate is further arranged in the space between the stirrer and the rectifier, a space exists between the partition plate and the rectifier, and the upper edge of the partition plate is wavy.
4. A salt lake lithium extraction device according to claim 3, wherein: the upper edge of the partition plate is higher than the heights of the extractant feed inlet and the brine feed inlet.
5. The extraction device for extracting lithium from salt lake according to claim 1, wherein: the rectifier is formed by stacking a plurality of wavy rectifying plates, and the wavy side surfaces of the rectifying plates are consistent with the flow direction of liquid.
6. The extraction device for extracting lithium from a salt lake according to claim 5, wherein: the wave trough of the wave rectifying plate is overlapped with the wave crest of the adjacent wave rectifying plate, and the wave crest of the wave rectifying plate is overlapped with the wave trough of the adjacent wave rectifying plate to form a honeycomb-shaped rectifier side face.
7. The extraction device for extracting lithium from a salt lake according to claim 5, wherein: the wave trough of the wave rectifying plate is overlapped with the wave trough of the adjacent wave rectifying plate, the wave crest of the wave rectifying plate is overlapped with the wave crest of the adjacent wave rectifying plate, and a gap is reserved between the two adjacent wave rectifying plates for circulating liquid.
8. The extraction device for extracting lithium from salt lake according to claim 1, wherein: the organic phase outlet is arranged on the downstream side of the liquid flow direction of the clarification separation chamber.
9. The extraction device for extracting lithium from salt lake according to claim 1, wherein: the top of the sleeve is higher than the liquid level, the top of the sleeve is hollowed out and is provided with a supporting rod, the middle of the supporting rod is provided with a threaded hole, and the position of the adjusting rod corresponding to the threaded hole is provided with external threads.
10. The extraction device for extracting lithium from salt lake according to claim 1, wherein: the top of the sleeve is sealed, a threaded hole is formed in the center of the top of the sleeve, and external threads are arranged at positions of the adjusting rod corresponding to the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321836973.XU CN220597608U (en) | 2023-07-13 | 2023-07-13 | Extraction device for extracting lithium from salt lake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321836973.XU CN220597608U (en) | 2023-07-13 | 2023-07-13 | Extraction device for extracting lithium from salt lake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220597608U true CN220597608U (en) | 2024-03-15 |
Family
ID=90169924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321836973.XU Active CN220597608U (en) | 2023-07-13 | 2023-07-13 | Extraction device for extracting lithium from salt lake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220597608U (en) |
-
2023
- 2023-07-13 CN CN202321836973.XU patent/CN220597608U/en active Active
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