CN118222852A - An automated salt lake lithium extraction device - Google Patents

An automated salt lake lithium extraction device Download PDF

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Publication number
CN118222852A
CN118222852A CN202410392944.1A CN202410392944A CN118222852A CN 118222852 A CN118222852 A CN 118222852A CN 202410392944 A CN202410392944 A CN 202410392944A CN 118222852 A CN118222852 A CN 118222852A
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CN
China
Prior art keywords
liquid
stirring
tank body
pipeline
tube shaft
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Granted
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CN202410392944.1A
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CN118222852B (en
Inventor
余海军
谢英豪
李爱霞
李长东
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Hunan Brunp Recycling Technology Co Ltd
Guangdong Brunp Recycling Technology Co Ltd
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Hunan Brunp Recycling Technology Co Ltd
Guangdong Brunp Recycling Technology Co Ltd
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Priority to CN202410392944.1A priority Critical patent/CN118222852B/en
Publication of CN118222852A publication Critical patent/CN118222852A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10Obtaining alkali metals
    • C22B26/12Obtaining lithium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006Wet processes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

The invention relates to an automatic lithium extraction device for a salt lake, which belongs to the technical field of salt lake brine processing, and an open end is used for recovering crystals; the hydraulic driving mechanism is arranged at the bottom of the tank body and used for driving the stirring pipe shaft to rotate; the hemispherical collection bin is sleeved on the stirring tube shaft, moves up and down relative to the stirring tube shaft, the edge of the hemispherical collection bin is in contact with the inner wall of the tank body, a first liquid discharge pipeline communicated with the hydraulic cavity and a first liquid inlet pipeline communicated with the hollow cavity are arranged on the side wall of the tank body, and the first liquid discharge pipeline and the first liquid inlet pipeline are both connected with the liquid storage tank; a via hole on the stirring tube shaft for collecting crystals; the bottom scraper which only moves along the axial direction of the stirring pipe is sleeved on the stirring pipe shaft in a sliding manner, and the stirring of liquid in the tank body is realized through the simple structure of the bottom scraper, so that crystals on the semi-spherical collecting bin can be scraped, and the technical problem that a large amount of crystals are attached due to the fact that a stirring mechanism is too complex is effectively solved.

Description

Automatic change salt lake and carry lithium device
Technical Field
The invention belongs to the technical field of salt lake brine processing, and particularly relates to an automatic salt lake lithium extraction device.
Background
Lithium has a plurality of excellent physicochemical properties, has very wide functions and applications, is considered as "energy metal for promoting the world to progress", is mainly applied to military in the first place, and along with the rapid development of new energy, metallurgy, aerospace, glass manufacturing and other industries, the demand of people for lithium is increased year by year, the development of lithium extraction technology is increasingly emphasized, about 80% of lithium resources are contained in salt lake brine, and the salt lake brine has complex components and contains a large amount of metal and nonmetal elements.
In the prior art, for example, the Chinese patent number is: the invention discloses a device for extracting lithium carbonate in salt lake brine, which is characterized in that a driving mechanism is fixedly arranged at the top of a heating tank mechanism, and a support column is fixedly connected to the ground of the heating tank mechanism: the heating tank mechanism comprises a tank body shell and a top cover, wherein the top cover is movably connected to the top surface of the tank body shell, a heating cavity and a stirring cavity are formed in the tank body shell, a bracket is arranged on the bottom surface of the inner wall of the stirring cavity, a hemispherical liquid storage box is movably connected to the inside of the bracket, the driving mechanism comprises a servo motor and a stirring rod, the top end of the stirring rod penetrates through the top surface of the top cover and the shaft end of the servo motor to be fixedly connected with a connecting bearing on the bottom surface of the inner wall of the hemispherical liquid storage box, an inner ring of the connecting bearing is fixedly connected with the bottom end outer wall of the stirring rod, the stirring rod is rotatably connected with the hemispherical liquid storage box through the connecting bearing, arc plates are fixedly connected to the ground of the arc plates, a filter hole is formed in the outer wall of the stirring net in a penetrating mode, the problem that some brine at the bottom surface of the heating tank cannot be sufficiently stirred, the heating effect is reduced, the existing formed crystals are generally in a block shape, and difficulty in extracting from the tank is solved.
But among the prior art, can adhere to on the rabbling mechanism in it after the brine in the heating jar crystallization, and then the more complicated its area of adhesion of rabbling mechanism is bigger the later stage clearance more difficult, still need the manual work to take out after opening all parts on the top cap when taking out the sodium carbonate after crystallization in above-mentioned application simultaneously, and is very loaded down with trivial details, inefficiency.
Disclosure of Invention
The invention aims to solve the technical problems, and further provides an automatic salt lake lithium extraction device.
The specific technical scheme of the invention is as follows: an automated salt lake lithium extraction device comprising:
the tank body is provided with a liquid injection pipeline;
the stirring tube shaft is arranged in the tank body, the upper end of the stirring tube shaft is a closed end, the lower end of the stirring tube shaft is an open end, and the open end is used for recovering crystals;
the hydraulic driving mechanism is arranged at the bottom of the tank body and used for driving the stirring tube shaft to rotate;
The hemispherical collection bin is sleeved on the stirring tube shaft, moves up and down relative to the stirring tube shaft, the edge of the hemispherical collection bin is contacted with the inner wall of the tank body, and a hydraulic cavity is formed between the hemispherical collection bin and the inner bottom of the tank body;
The side wall of the tank body is provided with a first liquid discharge pipeline communicated with the hydraulic cavity and a first liquid inlet pipeline communicated with the hollow cavity, and the first liquid discharge pipeline and the first liquid inlet pipeline are both connected with the liquid storage tank;
A via hole on the stirring tube shaft for collecting crystals;
The stirring pipe shaft is sleeved with a bottom scraper which only moves along the axial direction of the stirring pipe shaft in a sliding manner, and the bottom scraper is used for cleaning the inner wall of the hemispherical collection bin and stirring liquid in the tank body.
Further, the number of the bottom scrapers is at least one.
Further, the bottom blade includes: the scraper body is installed on the stirring tube shaft through a sleeve, and a liquid passing groove is formed in the sleeve and matched with the through hole to collect crystals in the tank body.
Further, still include the spacing ring, the spacing ring passes through spacing post to be installed on the hemisphere is collected the storehouse, set up T shape on the scraper body and lead to the groove, the spacing ring is arranged in T shape leads to the inslot and is used for restricting the scraper body with the hemisphere is collected the storehouse and is taken place relative displacement.
Further, the hydraulic drive mechanism is including installing drive flabellum and the hydraulic drive casing of stirring pipe axle lower extreme, the inside accommodation chamber that is used for holding of hydraulic drive casing, accommodation chamber pass through the second feed liquor pipeline with the cavity intercommunication in the casing of the jar body, accommodation chamber passes through second flowing back pipeline and hydraulic cavity intercommunication, the second feed liquor pipeline with the second flowing back pipeline is located respectively and holds the both sides of chamber, it links to each other with the liquid storage pot to hold the chamber through the liquid return pipeline.
Further, the first liquid discharge pipeline and the first liquid inlet pipeline are both provided with pump bodies.
Further, the second liquid inlet pipeline, the second liquid discharge pipeline, the liquid return pipeline, the first liquid discharge pipeline and the first liquid inlet pipeline are all provided with electromagnetic valves.
Further, still include shutoff mechanism, shutoff mechanism includes: the blocking pipe is sleeved on the stirring pipe shaft, one end of the blocking spring is fixedly connected with the stirring pipe shaft, the other end of the blocking spring is connected with the blocking pipe, and the blocking pipe is located at the position of the through hole in an initial state and used for sealing the through hole to prevent liquid from entering.
Further, sealing rings are arranged on the surface, which is contacted with the stirring pipe shaft, of the hemispherical collection bin and the surface, which is contacted with the tank body, of the hemispherical collection bin.
Further, a rotary sealing joint is arranged at the lower end of the stirring tube shaft and is used for being connected with an external filtering mechanism.
The beneficial effects are that:
1. according to the application, the stirring of liquid in the tank body is realized through the simple structure of the bottom scraper, and meanwhile, the scraping of crystals on the hemispherical collection bin can be realized, so that the technical problem of mass adhesion of crystals caused by excessively complex stirring mechanisms is effectively solved.
2. The application simultaneously realizes the power required by stirring through hydraulic power driving, simultaneously provides power for the hemispherical collection bin to ascend and clean the inner wall of the tank body, simultaneously provides a conduction medium for water bath heating, improves the heat conduction efficiency, and has stable power output.
3. According to the application, centralized collection is realized by cleaning the inner wall and the bottom crystals of the tank body, the positions of the hemispherical collection bin are controlled by the hydraulic system to realize the discharge of the crystals, and a top cover is not required to be opened, so that the operation is simple, and further, the full-mechanical automatic extraction of lithium carbonate is realized.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the location of a hemispherical collection bin according to the present invention;
FIG. 3 is a schematic diagram of a hemispherical collection bin position II according to the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4A in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of B of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged view of a portion of C of FIG. 4 in accordance with the present invention;
FIG. 8 is a bottom view of the present invention;
FIG. 9 is a schematic view of the mounting position of the driving blade according to the present invention;
FIG. 10 is a schematic view of the position of the liquid passing trough of the present invention;
the figure indicates:
Tank 1, hollow cavity 11, first drain line 12, first feed liquor pipeline 13, stirring tube axle 2, annotate liquid pipeline 3, hydraulic drive mechanism 4, drive flabellum 41, hydraulic drive casing 42, hold cavity 43, second feed liquor pipeline 44, second drain line 45, liquid return pipeline 46, hemisphere collection storehouse 5, hydraulic cavity 6, bottom scraper 7, scraper body 71, sleeve pipe 72, liquid passing groove 73, spacing collar 74, spacing post 75, T-shaped through groove 76, via hole 8, shutoff mechanism 9, shutoff pipe 91, shutoff spring 92, rotary seal joint 10.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components 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 invention.
An automated salt lake lithium extraction device comprising:
Referring to fig. 1 and 4, a tank body 1 is provided with a liquid injection pipeline 3, a detachable top cover is provided on the tank body 1, the liquid injection pipeline 3 is provided on the top cover or the side wall of the tank body 1, the shape of the tank body 1 is not limited to that shown in the drawings, and the outer wall of the tank body 1 can be coated with an insulating layer for maintaining the temperature of a liquid medium in the tank body 1;
The stirring tube shaft 2 is arranged in the tank body 1, the upper end of the stirring tube shaft 2 is a closed end, the lower end of the stirring tube shaft 2 is an open end, the open end is used for recovering crystals, the upper end of the stirring tube shaft 2 is arranged on the inner wall of the tank body 1 through a bracket, and the bracket is connected with the stirring tube shaft 2 through a bearing;
the hydraulic driving mechanism 4 is arranged at the bottom of the tank body 1 and is used for driving the stirring tube shaft 2 to rotate;
The hemispherical collection bin 5 is sleeved on the stirring tube shaft 2, the hemispherical collection bin 5 moves up and down relative to the stirring tube shaft 2, the edge of the hemispherical collection bin 5 is in contact with the inner wall of the tank body 1, a hydraulic cavity 6 is formed in the hemispherical collection bin 5 and the bottom in the tank body 1, an annular scraper or sharp processing is arranged on the edge of the hemispherical collection bin 5 and used for scraping crystals on the inner wall of the tank body 1, so that the crystals and a solution are mixed and removed together, and the annular scraper can be detached;
The side wall of the tank body 1 is provided with a first liquid discharge pipeline 12 communicated with the hydraulic cavity 6 and a first liquid inlet pipeline 13 communicated with the hollow cavity 11, and the first liquid discharge pipeline 12 and the first liquid inlet pipeline 13 are both connected with a liquid storage tank; the storage medium in the liquid storage tank is water, so that pollution to brine is prevented, a heating pipe (not shown in the figure) for heating is arranged in the liquid storage tank and used for heating the liquid storage tank, and a temperature sensor is arranged in the liquid storage tank and used for temperature monitoring;
a through hole 8 for collecting crystals on the stirring tube shaft 2;
The stirring tube shaft 2 is sleeved with a bottom scraper 7 which only moves along the axial direction of the stirring tube shaft 2 in a sliding manner and is used for cleaning the inner wall of the hemispherical collection bin 5 and stirring the liquid in the tank body 1. At least one of said bottom scrapers 7.
According to the application, the stirring of liquid in the tank body is realized through the simple structure of the bottom scraper, and meanwhile, the scraping of crystals on the hemispherical collection bin can be realized, so that the technical problem of mass adhesion of crystals caused by excessively complex stirring mechanisms is effectively solved.
As shown in fig. 6 and 10, the bottom blade 7 includes: the scraper body 71, the scraper body 71 passes through the sleeve pipe 72 and installs on the stirring pipe axle 2, be provided with the liquid bath 73 on the sleeve pipe 72, the liquid bath 73 is used for collecting the inside crystalline solid of jar body 1 with the via hole 8 cooperation.
Wherein, the profile of the liquid passing groove 73 is not less than the profile of the through hole 8, the scraper body 71 can be obliquely arranged, so that the stirring of the brine in the inside is realized, and the scraper body 71 and the surface adjacent to the inner wall of the hemispherical collection bin 5 are subjected to sharp treatment so as to conveniently scrape crystals on the inner wall of the hemispherical collection bin 5.
The application simultaneously realizes the power required by stirring through hydraulic power driving, simultaneously provides power for the hemispherical collection bin to ascend and clean the inner wall of the tank body, simultaneously provides a conduction medium for water bath heating, improves the heat conduction efficiency, and has stable power output.
Referring to fig. 7, the scraper device further comprises a limiting ring 74, wherein the limiting ring 74 is mounted on the hemispherical collection bin 5 through a limiting post 75, a T-shaped through groove 76 is formed in the scraper body 71, and the limiting ring 74 is disposed in the T-shaped through groove 76 and used for limiting the relative displacement between the scraper body 71 and the hemispherical collection bin 5.
As shown in fig. 8 and 9, the hydraulic driving mechanism 4 includes a driving fan blade 41 and a hydraulic driving housing 42 mounted at the lower end of the stirring tube shaft 2, a containing chamber 43 for containing the driving fan blade 41 is disposed inside the hydraulic driving housing 42, the containing chamber 43 is communicated with the hollow housing 11 of the tank 1 through a second liquid inlet pipeline 44, the containing chamber 43 is communicated with the hydraulic cavity 6 through a second liquid outlet pipeline 45, the second liquid inlet pipeline 44 and the second liquid outlet pipeline 45 are respectively located at two sides of the containing chamber 43, and the containing chamber 43 is connected with the liquid storage tank through a liquid return pipeline 46. The first liquid discharge pipeline 12 and the first liquid inlet pipeline 13 are respectively provided with a pump body. The second liquid inlet pipeline 44, the second liquid outlet pipeline 45, the liquid return pipeline 46, the first liquid outlet pipeline 12 and the first liquid inlet pipeline 13 are all provided with electromagnetic valves, and the caliber of the liquid return pipeline 46 is larger than that of the second liquid outlet pipeline 45.
According to the application, the heating medium is utilized for power driving, so that the need of a specific motor for stirring driving is reduced, and the cost is further saved.
As shown in fig. 5, the device further comprises a plugging mechanism 9, wherein the plugging mechanism 9 comprises: the shutoff pipe 91, the shutoff pipe 91 suit is in on the stirring pipe axle 2, shutoff spring 92 one end with stirring pipe axle 2 fixed connection, the shutoff spring 92 other end with the shutoff pipe 91 links to each other, the shutoff pipe 91 is located via hole 8 department under the initial condition, is used for right via hole 8 seals and prevents that liquid from getting into.
The application realizes centralized collection by cleaning the inner wall and the bottom crystals of the tank body, and realizes the discharge of the crystals by controlling the position of the hemispherical collection bin through the hydraulic system, and the top cover is not required to be opened, so that the operation is simple, and the full-mechanical automatic extraction of lithium carbonate is realized
Sealing rings are arranged on the surface, which is contacted with the stirring tube shaft 2, of the hemispherical collection bin 5 and the surface, which is contacted with the tank body 1. The lower end of the stirring tube shaft 2 is provided with a rotary sealing joint 10 for connecting with an external filtering mechanism. Temperature sensors are arranged in the tank body 1 and the hollow cavity 11 of the shell for temperature monitoring.
Working engineering:
S1: preheating the tank body 1;
pump body state: the pump body on the first liquid inlet pipeline 13 works; the pump body on the first liquid discharge pipeline 12 is closed;
Solenoid valve status: the solenoid valves on the liquid return pipeline 46 and the first liquid discharge pipeline 12 are closed, and the solenoid valves on the second liquid inlet pipeline 44, the second liquid discharge pipeline 45 and the first liquid inlet pipeline 13 are opened;
As shown in fig. 2, a first pump body (a pump body on a first liquid inlet pipeline 13) extracts heated water heated in a liquid storage tank, and a medium sequentially passes through the first liquid inlet pipeline 13, a hollow cavity 11 in a shell, a second liquid inlet pipeline 44, a containing chamber 43, a second liquid discharge pipeline 45 and a hydraulic cavity 6, wherein liquid in the hydraulic cavity 6 flows back to the liquid storage tank through the first liquid discharge pipeline 12 to realize circulation, and after a period of time, the temperature in the tank 1 rises to a specified temperature;
at this time, the hemispherical collection bin 5 does not move upward because the caliber of the liquid return pipeline 46 is larger than that of the second liquid discharge pipeline 45;
s2: feeding;
pump body state: the pump body on the first liquid inlet pipeline 13 and the first liquid outlet pipeline 12 is closed;
Solenoid valve status: the solenoid valves on the liquid return pipeline 46, the first liquid discharge pipeline 12, the second liquid inlet pipeline 44, the second liquid discharge pipeline 45 and the first liquid inlet pipeline 13 are closed;
firstly, brine enters the tank body 1 through the liquid injection pipeline 3;
s3, continuously stirring the brine in the tank body 1;
Pump body state: the pump body on the first liquid inlet pipeline 13 is opened; the pump body on the first liquid discharge pipeline 12 is closed;
solenoid valve status: solenoid valves on the first liquid inlet pipeline 13, the second liquid inlet pipeline 44 and the liquid return pipeline 46 are opened; the electromagnetic valves on the first liquid discharge pipeline 12 and the second liquid discharge pipeline 45 are closed;
The first pump body (pump body on the first liquid inlet pipeline 13) extracts the heated water heated in the liquid storage tank, sequentially passes through the first liquid inlet pipeline 13, the hollow cavity 11 of the shell, the second liquid inlet pipeline 44, the accommodating chamber 43 and the liquid return pipeline 46 and then enters the liquid storage tank, in the process, the driving fan blades 41 are driven to rotate, the stirring pipe shaft 2 and the driving fan blades 41 are connected, so that the stirring pipe shaft 2 rotates, the bottom scraper 7 is arranged on the stirring pipe shaft 2, and then the bottom scraper 7 rotates, and at the moment, the bottom scraper 7 plays a role of stirring blades to stir the brine in the tank 1 to form vortex;
s4: scraping crystals generated by brine after full reaction;
Pump body state: the pump body on the first liquid inlet pipeline 13 is opened; the pump body on the first liquid discharge pipeline 12 is closed;
Solenoid valve status: the electromagnetic valves on the first liquid inlet pipeline 13, the second liquid inlet pipeline 44 and the second liquid discharge pipeline 45 are opened; the electromagnetic valves on the first liquid discharge pipeline 12 and the liquid return pipeline 46 are closed;
As shown in fig. 3, a first pump body (a pump body on a first liquid inlet pipeline 13) extracts heated water heated in a liquid storage tank, and sequentially injects the heated water into a hydraulic cavity 6 through the first liquid inlet pipeline 13, a hollow cavity 11 of a shell, a second liquid inlet pipeline 44 and a second liquid discharge pipeline 45, wherein the liquid in the hydraulic cavity 6 is increased at the moment, a hemispherical collection bin 5 is driven to ascend, crystals attached to the inner wall of a tank body 1 are scraped by the edge of the hemispherical collection bin 5, and the scraped crystals are mixed with residual brine and concentrated in the tank body 1;
s5: the liquid mixed with the crystallization in the tank body 1 is collected and separated in a concentrated way;
when the hemispherical collection bin 5 ascends, the sleeve 72 on the bottom scraper 7 is contacted with the plugging tube 91 and drives the plugging tube 91 to move upwards, the through hole 8 is opened, the mixed liquid flow enters the stirring tube shaft 2 and the rotary sealing joint 10 through the liquid groove 73 and the through hole 8 to be connected and collected with an external filtering system, and the filtering system only needs to realize filtering of crystals, so that the application is not described much;
s6: resetting:
The electromagnetic valve on the first liquid discharge pipeline 12 is opened, and the pump body on the first liquid discharge pipeline 12 works to extract the heating water in the hydraulic cavity 6, so that the hemispherical collection bin 5 moves downwards to reset.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (10)

1. An automated salt lake lithium extraction device, comprising:
The liquid injection device comprises a tank body (1), wherein a liquid injection pipeline (3) is arranged on the tank body (1);
The stirring tube shaft (2) is arranged in the tank body (1), the upper end of the stirring tube shaft (2) is a closed end, the lower end of the stirring tube shaft (2) is an open end, and the open end is used for recovering crystals;
the hydraulic driving mechanism (4) is arranged at the bottom of the tank body (1) and is used for driving the stirring tube shaft (2) to rotate;
The hemispherical collection bin (5) is sleeved on the stirring tube shaft (2), the hemispherical collection bin (5) moves up and down relative to the stirring tube shaft (2), the edge of the hemispherical collection bin (5) is in contact with the inner wall of the tank body (1), and a hydraulic cavity (6) is formed in the hemispherical collection bin (5) and the inner bottom of the tank body (1);
The side wall of the tank body (1) is provided with a first liquid discharge pipeline (12) communicated with the hydraulic cavity (6) and a first liquid inlet pipeline (13) communicated with the hollow cavity (11), and the first liquid discharge pipeline (12) and the first liquid inlet pipeline (13) are connected with the liquid storage tank;
A through hole (8) for collecting crystals is formed in the stirring tube shaft (2);
The stirring tube shaft (2) is sleeved with a bottom scraper (7) which only moves along the axial direction of the stirring tube shaft (2) in a sliding manner, and the bottom scraper is used for cleaning the inner wall of the hemispherical collection bin (5) and stirring liquid in the tank body (1).
2. An automated salt lake lithium extraction device according to claim 1, wherein the bottom scraper (7) is at least one.
3. An automated salt lake lithium extraction device according to claim 1, characterized in that the bottom scraper (7) comprises: scraper body (71), scraper body (71) are installed through sleeve pipe (72) on stirring pipe axle (2), be provided with on sleeve pipe (72) and cross cistern (73), cross cistern (73) and through-hole (8) cooperation and be used for collecting the inside crystalline solid of jar body (1).
4. An automated salt lake lithium extraction device according to claim 3, further comprising a limiting ring (74), wherein the limiting ring (74) is mounted on the hemispherical collection bin (5) through a limiting post (75), a T-shaped through groove (76) is formed in the scraper body (71), and the limiting ring (74) is arranged in the T-shaped through groove (76) and used for limiting the relative displacement of the scraper body (71) and the hemispherical collection bin (5).
5. An automated salt lake lithium extraction device according to claim 1, wherein the hydraulic driving mechanism (4) comprises a driving fan blade (41) and a hydraulic driving shell (42) which are arranged at the lower end of the stirring tube shaft (2), a containing chamber (43) for containing the driving fan blade (41) is arranged inside the hydraulic driving shell (42), the containing chamber (43) is communicated with a shell hollow cavity (11) of the tank body (1) through a second liquid inlet pipeline (44), the containing chamber (43) is communicated with a hydraulic cavity (6) through a second liquid outlet pipeline (45), the second liquid inlet pipeline (44) and the second liquid outlet pipeline (45) are respectively positioned at two sides of the containing chamber (43), and the containing chamber (43) is connected with a liquid storage tank through a liquid return pipeline (46).
6. An automated salt lake lithium extraction device according to claim 1, wherein the first liquid discharge pipeline (12) and the first liquid inlet pipeline (13) are both provided with pump bodies.
7. The automatic salt lake lithium extraction device according to claim 5, wherein electromagnetic valves are arranged on the second liquid inlet pipeline (44), the second liquid outlet pipeline (45), the liquid return pipeline (46), the first liquid outlet pipeline (12) and the first liquid inlet pipeline (13).
8. An automated salt lake lithium extraction device according to claim 1, further comprising a plugging mechanism (9), the plugging mechanism (9) comprising: the blocking pipe (91), blocking pipe (91) suit is in on stirring pipe axle (2), blocking spring (92) one end with stirring pipe axle (2) fixed connection, blocking spring (92) other end with blocking pipe (91) link to each other, blocking pipe (91) are located via hole (8) department under initial condition, are used for right via hole (8) seal and prevent liquid entering.
9. An automated salt lake lithium extraction device according to claim 1, wherein sealing rings are arranged on the surface of the hemispherical collection bin (5) contacted with the stirring tube shaft (2) and the surface contacted with the tank body (1).
10. An automated salt lake lithium extraction device according to claim 1, wherein the lower end of the stirring tube shaft (2) is provided with a rotary sealing joint (10) for connection to an external filtering mechanism.
CN202410392944.1A 2024-04-02 2024-04-02 An automated lithium extraction device from salt lakes Active CN118222852B (en)

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CN202410392944.1A CN118222852B (en) 2024-04-02 2024-04-02 An automated lithium extraction device from salt lakes

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CN118222852B CN118222852B (en) 2025-11-14

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Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2015035929A1 (en) * 2013-09-13 2015-03-19 西藏金睿资产管理有限公司 Highly effective thermal energy recovery method and system, and high-purity lithium carbonate preparation method and system based on same
CN115531908A (en) * 2022-09-06 2022-12-30 广东邦普循环科技有限公司 A device for extracting lithium carbonate from salt lake brine
CN220223766U (en) * 2023-06-09 2023-12-22 青海大学 Salt lake brine extraction element
CN117563271A (en) * 2023-12-26 2024-02-20 江西协成锂业有限公司 Device for extracting lithium carbonate from salt lake brine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015035929A1 (en) * 2013-09-13 2015-03-19 西藏金睿资产管理有限公司 Highly effective thermal energy recovery method and system, and high-purity lithium carbonate preparation method and system based on same
CN115531908A (en) * 2022-09-06 2022-12-30 广东邦普循环科技有限公司 A device for extracting lithium carbonate from salt lake brine
CN220223766U (en) * 2023-06-09 2023-12-22 青海大学 Salt lake brine extraction element
CN117563271A (en) * 2023-12-26 2024-02-20 江西协成锂业有限公司 Device for extracting lithium carbonate from salt lake brine

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