CN220999771U - Extraction equipment for extracting lithium from salt lake - Google Patents
Extraction equipment for extracting lithium from salt lake Download PDFInfo
- Publication number
- CN220999771U CN220999771U CN202322212583.1U CN202322212583U CN220999771U CN 220999771 U CN220999771 U CN 220999771U CN 202322212583 U CN202322212583 U CN 202322212583U CN 220999771 U CN220999771 U CN 220999771U
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- Prior art keywords
- mixing chamber
- wall
- oil phase
- salt lake
- extraction tank
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- 238000000605 extraction Methods 0.000 title claims abstract description 64
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 238000002156 mixing Methods 0.000 claims description 52
- 239000012071 phase Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000005191 phase separation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 239000012267 brine Substances 0.000 claims description 12
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 12
- 239000008346 aqueous phase Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The application relates to the technical field of lithium extraction in salt lakes, and solves the problems of large occupied area, high investment cost and low extraction efficiency of extraction equipment in the prior art.
Description
Technical Field
The application relates to the technical field of lithium extraction in salt lakes, in particular to extraction equipment for extracting lithium from salt lakes.
Background
At present, in the process of extracting lithium from salt lakes, equipment in the production process of an extraction method is as follows: the multistage horizontal extraction tank mainly comprises a mixing chamber and a clarifying chamber, wherein the volume ratio of the mixing chamber is as follows: the clarifying chamber=1:4, and the material is transported between the stages by centrifugal force of stirring (after stirring is started, the blades rotate, and liquid near the blades is thrown away to form a vacuum area, so that the liquid is sucked in), so that the material is transported.
The main disadvantages of the prior art devices are: the equipment treatment capacity is small, the whole occupied area is large due to the adoption of the horizontal extraction tank, the using amount of the extractant is large, the investment cost of the extractant is high, and the time required by layering the oil phase and the water phase is long, so that the extraction efficiency is low.
Disclosure of utility model
The application aims to solve the problems of large occupied area, high investment cost and low extraction efficiency of extraction equipment in the prior art, and provides extraction equipment for extracting lithium from salt lakes.
Specifically, the extraction equipment for extracting lithium from a salt lake comprises: the device comprises a vertical extraction tank, wherein a coalescer is fixed in the vertical extraction tank, one end of the coalescer is fixedly embedded with an oil phase separation cylinder, the lower end of the oil phase separation cylinder is fixedly connected with the bottom of the vertical extraction tank through a plurality of supporting legs, one side of the vertical extraction tank is provided with an oil phase discharge port, the bottom of the vertical extraction tank is fixedly embedded with an aqueous phase discharge pipe, and the aqueous phase discharge pipe is positioned in the oil phase separation cylinder; the mixing chamber is fixedly embedded at one end of the vertical extraction tank, the upper end of the mixing chamber penetrates through the coalescer, an annular baffle is arranged outside the upper end of the mixing chamber, an extractant inlet and a brine inlet are formed in the side wall of the lower end of the mixing chamber, a stirring mechanism is arranged in the mixing chamber, and a foam breaking mechanism is arranged at the upper end of the mixing chamber; the interface adjuster comprises a threaded cylinder, a screw rod is connected with the internal threads of the threaded cylinder, a hand wheel is fixed at the upper end of the screw rod, a sleeve is fixed at the lower end of the screw rod through a plurality of connecting rods, and the sleeve is sleeved on the outer wall of the water phase discharge pipe in a sliding mode.
Further, the upper end of the oil phase separation cylinder is higher than the oil phase discharge port, so that the oil phase above the vertical extraction tank can be effectively prevented from entering the oil phase separation cylinder.
Further, the mixing chamber is arranged to be a hollow cylindrical structure with an open upper end, and the bottom of the mixing chamber is arranged to be a spherical structure, so that dead angles are not easy to form on the inner wall and the bottom of the mixing chamber, and scaling is not easy to generate on the inner wall of the mixing chamber.
Further, rabbling mechanism includes the motor, and the pivot fixedly connected with (mixing) shaft of motor, and (mixing) shaft one end extends to in the mixing chamber and (mixing) shaft outer wall is fixed with a plurality of stirring leaves, rotates through motor drive (mixing) shaft and stirring leaf and carries out intensive mixing to brine and extractant in the mixing chamber to make the liquid in each region in the mixing chamber all obtain mixing.
Further, the bubble breaking mechanism is of a zigzag structure, the upper end of the mixing chamber is provided with the zigzag structure, and bubbles generated by mixed liquid can be removed by utilizing the zigzag structure.
Further, the sleeve lower extreme inner wall is fixed with first sealing washer, and the fixed cover of water phase discharge pipe upper end outer wall is equipped with the second sealing washer, and wherein, first sealing washer inner wall and water phase discharge pipe outer wall laminating, second sealing washer outer wall and sleeve pipe inner wall laminating utilize first sealing washer and second sealing washer can effectually increase the leakproofness between sleeve pipe and the water phase discharge pipe.
Furthermore, the vertical extraction tank is arranged into a hollow cylindrical structure with an opening at the upper end, so that the occupied area of the vertical extraction tank can be further reduced, and the space utilization rate of extraction equipment is improved.
The application has the following beneficial effects: through adopting vertical extraction tank design can effectually reduce extraction equipment's area to make extractant and brine intensive mixing through the stirring, can reduce the use amount of extractant, make investment cost reduce, the required time of layering after the mixed liquid passes through the coalescer can effectually shorten, and layering effect is better, thereby can improve extraction efficiency, can also control the position at oil phase and aqueous phase interface through adjusting sheathed tube position.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an extraction apparatus for extracting lithium from a salt lake according to an embodiment of the present application;
Fig. 2 is a schematic structural diagram of an interface regulator in an extraction apparatus for extracting lithium from a salt lake according to an embodiment of the present application;
Fig. 3 is a schematic structural view of an oil phase isolation cylinder and a support leg in the extraction equipment for extracting lithium from a salt lake according to the embodiment of the application;
Fig. 4 is a top view of an extraction apparatus for extracting lithium from a salt lake according to an embodiment of the present application.
Reference numerals:
1. A vertical extraction tank; 2. a coalescer; 3. an oil phase blocking cylinder; 4. a support leg; 5. an oil phase discharge port; 6. a water phase discharge pipe; 7. a mixing chamber; 8. an extractant inlet; 9. a brine inlet; 10. a stirring mechanism; 101. a motor; 102. a stirring shaft; 103. stirring the leaves; 11. a bubble breaking mechanism; 12. an interface adjuster; 121. a thread cylinder; 122. a screw rod; 123. a hand wheel; 124. a connecting rod; 125. a sleeve; 13. a first seal ring; 14. a second seal ring; 15. an annular baffle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.
In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, in a preferred embodiment of the present application, an extraction apparatus for extracting lithium from a salt lake comprises:
As shown in fig. 1 and 3, a vertical extraction tank 1, wherein, in order to reduce the occupied area of the vertical extraction tank 1 and improve the space utilization rate of extraction equipment, the vertical extraction tank 1 is arranged into a hollow cylindrical structure with an open upper end, a coalescer 2 is fixed in the vertical extraction tank 1, one end of the coalescer 2 is fixedly embedded with an oil phase separation cylinder 3, the lower end of the oil phase separation cylinder 3 is fixedly connected with the bottom of the vertical extraction tank 1 through a plurality of support legs 4, one side of the vertical extraction tank 1 is provided with an oil phase discharge port 5, wherein, in order to prevent the oil phase above the vertical extraction tank 1 from entering the oil phase separation cylinder 3 from the upper end of the oil phase separation cylinder 3, the level of the upper end of the oil phase separation cylinder 3 needs to be higher than that of the oil phase discharge port 5, the bottom of the vertical extraction tank 1 is fixedly embedded with an aqueous phase discharge pipe 6, and the aqueous phase discharge pipe 6 is positioned inside the oil phase separation cylinder 3;
The mixing chamber 7 is arranged into a hollow cylindrical structure with an opening at the upper end, the bottom of the mixing chamber 7 is arranged into a spherical structure, the mixing chamber 7 is fixedly embedded at one end of the vertical extraction tank 1, the upper end of the mixing chamber 7 penetrates through the coalescer 2, an annular baffle 15 is arranged outside the upper end of the mixing chamber 7, a gap is reserved between the mixing chamber 7 and the annular baffle 15, liquid in the mixing chamber 7 can enter the coalescer 2 through the gap between the annular baffle 15 and the mixing chamber 7, the side wall of the lower end of the mixing chamber 7 is provided with an extractant inlet 8 and a brine inlet 9, a stirring mechanism 10 is arranged in the mixing chamber 7, and a foam breaking mechanism 11 is arranged at the upper end of the mixing chamber 7;
Illustratively, the stirring mechanism 10 includes a motor 101, wherein the motor 101 needs to be fixed to prevent the motor 101 from rotating during operation, for example: the motor 101 and the vertical extraction tank 1 can be fixed together through a connecting piece, a stirring shaft 102 is fixedly connected to a rotating shaft of the motor 101, one end of the stirring shaft 102 extends into the mixing chamber 7, a plurality of stirring blades 103 are fixed on the outer wall of the stirring shaft 102, the stirring shaft 102 and the stirring blades 103 are driven to rotate by the motor 101 to fully mix brine and extractant in the mixing chamber 7, and liquids in all areas in the mixing chamber 7 can be mixed.
The foam breaking mechanism 11 is illustratively a zigzag structure, and the upper end of the mixing chamber 7 is provided with a zigzag structure, however, the foam breaking mechanism 11 may be a needle-like structure or a cone-like structure, or other structures capable of piercing foam, and the zigzag structure or the needle-like structure can be used to remove bubbles generated by the mixed liquid.
The interface adjuster 12, as shown in fig. 2, the interface adjuster 12 includes a threaded cylinder 121, wherein the threaded cylinder 121 needs to be fixed, for example: the screw barrel 121 and the vertical extraction tank 1 are fixed together through a connecting piece, a screw rod 122 is connected with the screw barrel 121 in a threaded manner, a hand wheel 123 is fixed at the upper end of the screw rod 122, a sleeve 125 is fixed at the lower end of the screw rod 122 through a plurality of connecting rods 124, the sleeve 125 is slidably sleeved on the outer wall of the water phase discharge pipe 6, and the screw rod 122 can be rotated through the hand wheel 123 to adjust the horizontal height of the sleeve 125 by utilizing the threaded connection relationship between the screw rod 122 and the screw barrel 121.
In a further embodiment, as shown in fig. 2, the inner wall of the lower end of the sleeve 125 is fixed with a first sealing ring 13, and the outer wall of the upper end of the water phase discharge pipe 6 is fixedly sleeved with a second sealing ring 14, wherein the inner wall of the first sealing ring 13 is attached to the outer wall of the water phase discharge pipe 6, the outer wall of the second sealing ring 14 is attached to the inner wall of the sleeve 125, and the tightness between the sleeve 125 and the water phase discharge pipe 6 can be effectively increased by using the first sealing ring 13 and the second sealing ring 14.
In a further embodiment, flange ports are used for the oil phase outlet 5, extractant inlet 8 and brine inlet 9 in order to facilitate the connection of pipes.
When the vertical extraction tank 1 is used, the two sides of the bottom of the vertical extraction tank 1 are respectively provided with an extractant inlet 8 and a brine inlet 9, wherein the extractant inlet 8 is used for introducing the extractant, the brine inlet 9 is used for introducing the brine, the brine and the extractant are fully mixed under the action of a stirring mechanism 10, a plurality of groups of stirring blades 103 are distributed on a stirring shaft 102, liquids in all areas can be mixed, a foam breaking mechanism 11 is arranged on a mixing chamber 7, bubbles generated after mixing can be effectively removed, the mixed liquid flows into a coalescer (silk screen) along a baffle at the upper end of the mixing chamber 7, bubbles in the mixed liquid are destroyed after passing through the coalescer, oil phase droplets are coalesced, then move upwards more and more, water phase droplets are coalesced, move downwards more and more, two phases are convenient to separate, the required separation time is shortened, the extraction efficiency is improved, the oil phase flows out from an oil phase outlet 5 through the bottom of an oil phase separation cylinder, then flows into a water phase outlet 6 through the upper end of a sleeve 125, and flows out of the water phase separation cylinder, as shown in the figure 1, the water phase flows out along the direction of a dotted line + arrow), the interface adjuster 12 can control the water phase through the sleeve 125 by rotating the hand wheel, the water phase 125 or the water phase is controlled to flow upwards and the interface position is controlled.
The above is only a preferred embodiment of the present application; the scope of the application is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present application, and the technical solution and the improvement thereof are all covered by the protection scope of the present application.
Claims (7)
1. An extraction device for extracting lithium from a salt lake, comprising:
The device comprises a vertical extraction tank, wherein a coalescer is fixed in the vertical extraction tank, one end of the coalescer is fixedly embedded with an oil phase separation cylinder, the lower end of the oil phase separation cylinder is fixedly connected with the bottom of the vertical extraction tank through a plurality of supporting legs, one side of the vertical extraction tank is provided with an oil phase discharge port, the bottom of the vertical extraction tank is fixedly embedded with an aqueous phase discharge pipe, and the aqueous phase discharge pipe is positioned in the oil phase separation cylinder;
The mixing chamber is fixedly embedded at one end of the vertical extraction tank, the upper end of the mixing chamber penetrates through the coalescer, an annular baffle is arranged outside the upper end of the mixing chamber, an extractant inlet and a brine inlet are formed in the side wall of the lower end of the mixing chamber, a stirring mechanism is arranged in the mixing chamber, and a foam breaking mechanism is arranged at the upper end of the mixing chamber;
The interface adjuster comprises a threaded cylinder, a screw rod is connected with the internal threads of the threaded cylinder, a hand wheel is fixed at the upper end of the screw rod, a sleeve is fixed at the lower end of the screw rod through a plurality of connecting rods, and the sleeve is sleeved on the outer wall of the water phase discharge pipe in a sliding mode.
2. The extraction apparatus for lithium extraction from a salt lake of claim 1, wherein the level of the upper end of the oil phase blocking cylinder is higher than the level of the oil phase discharge port.
3. The extraction apparatus for extracting lithium from a salt lake according to claim 1, wherein the mixing chamber is provided in a hollow cylindrical structure with an open upper end, and a bottom of the mixing chamber is provided in a spherical structure.
4. The extraction device for extracting lithium from a salt lake according to claim 1, wherein the stirring mechanism comprises a motor, a rotating shaft of the motor is fixedly connected with a stirring shaft, one end of the stirring shaft extends into the mixing chamber, and a plurality of stirring blades are fixed on the outer wall of the stirring shaft.
5. The extraction apparatus for extracting lithium from a salt lake according to claim 1, wherein the bubble breaking mechanism has a zigzag structure, and the upper end of the mixing chamber is provided with a zigzag structure.
6. The extraction device for extracting lithium from salt lake according to claim 1, wherein a first sealing ring is fixed on the inner wall of the lower end of the sleeve, a second sealing ring is fixedly sleeved on the outer wall of the upper end of the water phase discharge pipe, the inner wall of the first sealing ring is attached to the outer wall of the water phase discharge pipe, and the outer wall of the second sealing ring is attached to the inner wall of the sleeve.
7. The extraction apparatus for extracting lithium from a salt lake according to claim 1, wherein the vertical extraction tank is provided in a hollow cylindrical structure with an open upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212583.1U CN220999771U (en) | 2023-08-17 | 2023-08-17 | Extraction equipment for extracting lithium from salt lake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212583.1U CN220999771U (en) | 2023-08-17 | 2023-08-17 | Extraction equipment for extracting lithium from salt lake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220999771U true CN220999771U (en) | 2024-05-24 |
Family
ID=91126787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212583.1U Active CN220999771U (en) | 2023-08-17 | 2023-08-17 | Extraction equipment for extracting lithium from salt lake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220999771U (en) |
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2023
- 2023-08-17 CN CN202322212583.1U patent/CN220999771U/en active Active
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| GR01 | Patent grant |