CN114832751B - Lithium precipitation kettle for lithium battery material production and lithium precipitation process thereof - Google Patents
Lithium precipitation kettle for lithium battery material production and lithium precipitation process thereof Download PDFInfo
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- CN114832751B CN114832751B CN202210542037.1A CN202210542037A CN114832751B CN 114832751 B CN114832751 B CN 114832751B CN 202210542037 A CN202210542037 A CN 202210542037A CN 114832751 B CN114832751 B CN 114832751B
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- lithium
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 95
- 238000001556 precipitation Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000013519 translation Methods 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000001802 infusion Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000012452 mother liquor Substances 0.000 claims description 18
- 230000008021 deposition Effects 0.000 claims description 15
- 239000007790 solid phase Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 8
- 239000002305 electric material Substances 0.000 claims description 5
- 238000005137 deposition process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000003513 alkali Substances 0.000 abstract description 7
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000010413 mother solution Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 21
- 238000000151 deposition Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1875—Stationary reactors having moving elements inside resulting in a loop-type movement internally, i.e. the mixture circulating inside the vessel such that the upwards stream is separated physically from the downwards stream(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a lithium precipitation kettle for lithium battery material production and a lithium precipitation process thereof, comprising a kettle body shell, wherein an inner sleeve is arranged in the kettle body shell, a plurality of positioning boxes are arranged between the kettle body shell and the inner sleeve, a rotary liquid extraction device is arranged at the top of the kettle body shell, and a plurality of telescopic filtering devices are arranged on the outer wall of the kettle body shell; the rotary liquid extracting device comprises an infusion shaft tube, a driving part and a liquid adding part which are arranged at the top of the shell of the kettle body, and a one-way valve, a helical blade and a stirring rod which are arranged on the infusion shaft tube; the telescopic filtering device comprises a translation part, a U-shaped plate arranged at the execution end of the translation part, a sliding frame connected with the inner wall of the U-shaped plate in a sliding mode, and a filter box connected with the sliding frame through a mounting part, wherein one end of the sliding frame, which is close to the translation part, is connected with the U-shaped plate through an intelligent disconnection part, and one end of the sliding frame, which is far away from the translation part, is provided with a clamping part. The invention relates to a lithium precipitation kettle which is convenient for the rapid fusion of lithium-rich mother solution and alkali liquor, avoids the accumulation of lithium precipitation at the bottom of the kettle and is convenient for the fractional filtering out of lithium precipitation.
Description
Technical Field
The invention mainly relates to the technical field of lithium battery material preparation equipment, in particular to a lithium deposition kettle for lithium battery material production and a lithium deposition process thereof.
Background
The lithium precipitation process is the most important process for producing industrial lithium carbonate, and the operation process is that the finished solution and the alkali solution are mixed in a container according to a certain proportion and are subjected to precipitation reaction, and a solid-phase lithium carbonate product can be produced after the reaction is finished.
According to the lithium battery material lithium deposition kettle provided by the patent document with the application number of CN202020656404.7, the product comprises an upper kettle shell, a lower kettle shell and a kettle bottom shell, wherein the lower end of the upper kettle shell is provided with the lower kettle shell, a sealing ring I is arranged between the upper kettle shell and the lower kettle shell, the lower end of the lower kettle shell is provided with the kettle bottom shell, a sealing ring II is arranged between the kettle bottom shell and the lower kettle shell, a discharging pipe is arranged in the middle of the lower end of the kettle bottom shell, a valve is arranged on one side of the upper end of the discharging pipe, a kettle cover is lapped on the upper end of the upper kettle shell, a supporting cylinder is arranged in the middle of the upper end of the kettle cover, a stirring motor is arranged at the upper end of the supporting cylinder, and a feeding hopper is arranged on one side of the stirring motor. The product is convenient for taking out the lithium precipitate, and improves the use convenience of the lithium battery material lithium precipitation kettle.
The product in above-mentioned patent is convenient for take out lithium deposit, has improved the use convenience of lithium electric material heavy lithium cauldron, but is inconvenient for the quick fusion of rich lithium mother liquor and alkali lye, is difficult to avoid lithium deposit to pile up the cauldron bottom, is inconvenient for lithium deposit to filter out in grades.
Disclosure of Invention
The invention mainly provides a lithium deposition kettle for producing lithium battery materials and a lithium deposition process thereof, which are used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the lithium precipitation kettle for producing lithium battery materials comprises a kettle body shell, wherein an inner sleeve is arranged in the kettle body shell, a plurality of positioning boxes are arranged between the kettle body shell and the inner sleeve, a rotary liquid extracting device with an execution end extending into the inner sleeve is arranged at the top of the kettle body shell, and a plurality of telescopic filtering devices with the execution end extending into the kettle body shell are sequentially arranged on the outer wall of the kettle body shell from top to bottom;
the rotary liquid extracting device comprises an infusion shaft tube, a driving part, a liquid adding part, a one-way valve, a helical blade and a stirring rod, wherein the bottom end of the infusion shaft tube penetrates through the top of the kettle body shell and extends to the bottom of the inner wall of the kettle body shell, the driving part is arranged at the top of the kettle body shell and is used for driving the infusion shaft tube to rotate, the liquid adding part is arranged at the top of the kettle body shell and is used for inputting mother liquid into the infusion shaft tube, the one-way valve, the helical blade and the stirring rod are arranged in the kettle body shell and are sequentially arranged on the infusion shaft tube from top to bottom, and the helical blade is arranged in the inner sleeve;
the telescopic filtering device comprises a plurality of horizontal moving parts which are horizontally arranged outside the kettle body, one end of the telescopic filtering device is connected with the executing end of the horizontal moving part, the other end of the telescopic filtering device penetrates through the side wall of the kettle body and extends to two adjacent U-shaped plates between the positioning boxes, the sliding frame is connected with the inner wall of the U-shaped plates in a sliding mode, and the filtering box is connected with the sliding frame through a mounting part, the sliding frame is close to one end of the horizontal moving part, the sliding frame is connected with the U-shaped plates through an intelligent connecting part, the sliding frame is far away from one end of the horizontal moving part, a clamping part is arranged on the outer wall of the kettle body and is positioned on the lower portion of the U-shaped plates, and the clamping part is used for connecting the outer wall of an inner sleeve or the inner wall of the kettle body with the sliding frame.
Preferably, the driving part comprises a tooth wall ring sleeved on the outer wall of the transfusion shaft tube, a driving motor arranged on the top of the kettle body shell, and a driving gear arranged at the execution end of the driving motor and meshed with the tooth wall ring. In the preferred embodiment, the stable rotation of the infusion shaft tube is achieved by the drive member.
Preferably, the liquid adding part comprises a liquid adding pipe fixed at the top of the shell of the kettle body through a plurality of support rods, and a plurality of liquid adding ports arranged on the outer wall of the liquid adding shaft pipe, wherein the bottom of the inner wall of the liquid adding pipe is rotationally connected with the top of the side wall of the liquid adding shaft pipe, and a plurality of liquid adding ports are sequentially arranged from top to bottom. In the preferred embodiment, the liquid adding component is used for facilitating the stable addition of the mother liquid into the transfusion shaft tube, and simultaneously facilitating the uniform diffusion of the mother liquid into the alkali liquid.
Preferably, the mounting component comprises a plurality of positioning grooves symmetrically arranged on two sides of the sliding frame and positioning blocks symmetrically arranged on two sides of the filter box and clamped with the positioning grooves. In the preferred embodiment, the cartridge is easily removed by the mounting member to facilitate removal of precipitated lithium.
Preferably, the intelligent disconnection component comprises a positioning tube, one end of the positioning tube is communicated with the outer wall of the U-shaped plate, one end of the positioning tube is connected with the side wall of the sliding frame, the other end of the positioning tube penetrates through an iron column of the positioning tube, and the electromagnetic ring is arranged on the inner wall of the positioning tube and sleeved on the outer wall of the iron column. In the preferred embodiment, the intelligent connection or disconnection of the U-shaped plate and the sliding frame is realized through an intelligent disconnection component.
Preferably, the translation part comprises a sliding rail horizontally arranged on the outer wall of the kettle body, a sliding block slidingly connected with the bottom of the sliding rail, and a driving cylinder arranged at the bottom of the sliding block, wherein the execution end of the driving cylinder is connected with the outer wall of the kettle body, and the side wall of the driving cylinder is connected with the outer wall of the positioning pipe through a connecting plate. In the preferred embodiment, the stable movement of the U-shaped plate and the carriage is achieved by the translating member.
Preferably, the clamping component comprises clamping columns symmetrically arranged at the top and the bottom of the sliding frame, and clamping rings which are arranged on the outer wall of the inner sleeve and the inner wall of the shell of the kettle body and are used for clamping the clamping columns. In the preferred embodiment, the clamping between the sliding frame and the outer wall of the inner sleeve or the inner wall of the kettle body shell is realized through the clamping component.
Preferably, the positioning box is internally provided with a heating component, the heating component comprises a plurality of heating pipes vertically arranged in the positioning box, one end of the heating component is connected with the heating pipes, and the other end of the heating component penetrates through the positioning box and extends to a heat conduction column outside the positioning box. In the preferred embodiment, the heating component facilitates stable heating of the kettle body shell.
Preferably, the top of the kettle body shell is communicated with an alkaline agent liquid inlet pipe, and a ph sensor is arranged on the inner wall of the kettle body shell. In the preferred embodiment, the pH value of the solution in the shell of the kettle body is conveniently adjusted through an alkaline agent liquid inlet pipe and a PH sensor.
According to the technical scheme of the lithium deposition kettle for producing the lithium electric material, the lithium deposition process of the lithium deposition kettle for producing the lithium electric material is also provided, and comprises the following steps:
step one, adding and heating an alkaline agent, namely adding the alkaline agent into a kettle body shell through an alkaline agent liquid inlet pipe, starting a driving part and a heating part, and surging the alkaline agent from bottom to top in an inner sleeve and from top to bottom between the inner sleeve and the kettle body shell under the action of a spiral blade so as to form a circulation, so that the heating part can uniformly heat the alkaline agent;
adding mother liquor, namely adding the mother liquor into the infusion shaft tube through the liquid adding component, uniformly adding the mother liquor into the alkaline agent through the infusion shaft tube, and circulating along with the alkaline agent, wherein solid-phase lithium slowly separates out from the solution and moves along with the circulating;
and thirdly, screening solid-phase lithium, wherein the telescopic filter device stretches into the kettle body shell from the outer wall of the kettle body shell and screens the solid-phase lithium in circulation, and after the screening is completed, the telescopic filter device moves out of the kettle body shell, so that lithium precipitation can be obtained.
Compared with the prior art, the invention has the beneficial effects that:
the device is convenient for the rapid fusion of the lithium-rich mother solution and the alkali liquor, avoids the accumulation of lithium precipitation at the bottom of the kettle, and is convenient for the graded filtering out of lithium precipitation;
the solution in the shell of the kettle body is convenient to surge from bottom to top in the inner sleeve through the rotary liquid extracting device, and flows from top to bottom between the inner sleeve and the shell of the kettle body to form a circulation, so that the mother liquid and the alkali liquid are convenient to uniformly mix, the heating component is convenient to uniformly heat the solution, and lithium precipitates are precipitated in the solution and then move along with the circulation, so that the lithium precipitates can be prevented from being accumulated at the bottom of the reaction kettle, and the lithium precipitates are conveniently filtered out in a grading manner through a plurality of telescopic filtering devices sequentially arranged from top to bottom;
the liquid extracting device is characterized in that a driving part is used for realizing stable rotation of the infusion shaft tube, and a liquid adding part is used for facilitating stable addition of mother liquid into the infusion shaft tube and facilitating uniform diffusion of the mother liquid into alkali liquid;
the telescopic filtering device is convenient for the disassembly and the installation of the filtering box through the installation component, so as to be convenient for taking out precipitated lithium, the intelligent connection or separation of the U-shaped plate and the sliding frame is realized through the intelligent disconnection component, the stable movement of the U-shaped plate and the sliding frame is realized through the translation component, and the clamping between the sliding frame and the outer wall of the inner sleeve or the inner wall of the kettle body shell is realized through the clamping component;
the pH value of the solution in the shell of the kettle body can be conveniently adjusted through the alkaline agent liquid inlet pipe and the PH sensor.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is an exploded view of the rotary liquid extraction device of the present invention;
FIG. 4 is an exploded view of the structure of the telescopic filter device of the present invention;
FIG. 5 is a top view of the overall structure of the present invention;
FIG. 6 is a cross-sectional view of a rotary liquid extraction device according to the present invention;
FIG. 7 is a cross-sectional view of the telescoping filter assembly of the present invention;
fig. 8 is an enlarged view of the structure at a of the present invention.
Description of the drawings: 10. a kettle body shell; 11. an inner sleeve; 12. a positioning box; 13. a heating member; 131. heating pipes; 132. a heat conducting column; 14. an alkaline agent liquid inlet pipe; 15. a ph sensor; 20. rotating the liquid extracting device; 21. an infusion shaft tube; 22. a driving part; 221. a tooth wall ring; 222. a driving motor; 223. a drive gear; 23. a liquid adding part; 231. a liquid adding tube; 232. a liquid adding port; 24. a one-way valve; 25. a helical blade; 26. a stirring rod; 30. a telescopic filter device; 31. a translation member; 311. a slide rail; 312. a slide block; 313. a drive cylinder; 32. a U-shaped plate; 33. a carriage; 34. a mounting member; 341. a positioning groove; 342. a positioning block; 35. a filter box; 36. an intelligent disconnection component; 361. a positioning tube; 362. an iron column; 363. an electromagnetic ring; 37. a clamping component; 371. a clamping column; 372. a clamping ring; 38. and a receiving ring.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2, 5 and 7, in a preferred embodiment of the present invention, a lithium deposition kettle for producing lithium battery materials includes a kettle body housing 10, an inner sleeve 11 is disposed in the kettle body housing 10, a plurality of positioning boxes 12 are disposed between the kettle body housing 10 and the inner sleeve 11, a rotary liquid extraction device 20 with an execution end extending into the inner sleeve 11 is disposed at the top of the kettle body housing 10, and a plurality of telescopic filtering devices 30 with execution ends extending into the kettle body housing 10 are sequentially disposed on the outer wall of the kettle body housing 10 from top to bottom; the heating component 13 is arranged in the positioning box 12, the heating component 13 comprises a plurality of heating pipes 131 vertically arranged in the positioning box 12, one end of the heating component is connected with the heating pipes 131, the other end of the heating component penetrates through the positioning box 12 and extends to a heat conduction column 132 outside the positioning box 12, the top of the kettle shell 10 is communicated with an alkaline agent liquid inlet pipe 14, and a ph sensor 15 is arranged on the inner wall of the kettle shell 10.
In this embodiment, during processing, firstly, the alkaline agent is added into the kettle body housing 10 through the alkaline agent liquid inlet pipe 14, the driving part 22 and the heating part 13 are started, the alkaline agent surges from bottom to top in the inner sleeve 11 under the action of the spiral blade 25, and a circulation flow is formed between the inner sleeve 11 and the kettle body housing 10 from top to bottom, so that the heating part 13 can uniformly heat the alkaline agent;
secondly, mother liquor is added into the transfusion shaft tube 21 through the liquid adding part 23, the mother liquor is uniformly added into the alkaline agent through the transfusion shaft tube 21 and circulates along with the alkaline agent, and solid-phase lithium slowly separates out from the solution and moves along with the circulation;
finally, the telescopic filter device 30 stretches into the kettle body shell 10 from the outer wall of the kettle body shell 10 and screens out solid-phase lithium in circulation, and after screening out, the telescopic filter device 30 moves out of the kettle body shell 10, so that lithium precipitation can be obtained;
further, when the heating component 13 works, the heating pipe 131 generates heat, and the heat is conducted into the solution in the kettle body shell 10 through the heat conducting column 132;
further, after a period of reaction, the PH of the solution changes, and the controller receives PH data from PH sensor 15 and triggers a dosing pump connected to alkaline agent feed pipe 14 until the PH reaches a set value.
Referring to fig. 2, 3 and 6, in another preferred embodiment of the present invention, the rotary liquid extracting apparatus 20 includes an infusion shaft tube 21 with a bottom end penetrating through the top of the kettle body housing 10 and extending to the bottom of the inner wall of the kettle body housing 10, a driving member 22 disposed on the top of the kettle body housing 10 and used for driving the infusion shaft tube 21 to rotate, a liquid adding member 23 disposed on the top of the kettle body housing 10 and used for inputting mother liquid into the infusion shaft tube 21, a one-way valve 24, a helical blade 25 and a stirring rod 26 disposed in the kettle body housing 10 and sequentially disposed on the infusion shaft tube 21 from top to bottom, wherein the helical blade 25 is disposed in the inner sleeve 11; the driving part 22 comprises a tooth wall ring 221 sleeved on the outer wall of the transfusion shaft tube 21, a driving motor 222 arranged on the top of the kettle body shell 10, and a driving gear 223 arranged at the execution end of the driving motor 222 and meshed with the tooth wall ring 221, the liquid adding part 23 comprises a liquid adding pipe 231 fixed on the top of the kettle body shell 10 through a plurality of supporting rods, and a plurality of liquid adding ports 232 arranged on the outer wall of the transfusion shaft tube 21, the bottom of the inner wall of the liquid adding pipe 231 is rotationally connected with the top of the side wall of the transfusion shaft tube 21, and the liquid adding ports 232 are sequentially arranged from top to bottom.
It should be noted that, in this embodiment, when the rotary liquid extraction device 20 works, the driving component 22 drives the infusion shaft tube 21 to rotate, the infusion shaft tube 21 drives the spiral blade 25 and the stirring rod 26 to rotate, the spiral blade 25 cooperates with the inner sleeve 11 to extract the solution in the inner sleeve 11 upwards, and the stirring rod 26 can prevent lithium from depositing on the bottom of the inner wall of the kettle body shell 10;
when mother liquor is added, the mother liquor is added into the transfusion shaft tube 21 through the liquid adding pipe 231, and uniformly diffused into the alkaline agent through the liquid adding port 232, and the one-way valve 24 can prevent the solution from flowing back;
further, when the driving component 22 works, the actuating end of the driving motor 222 drives the driving gear 223 to rotate, and the driving gear 223 drives the transfusion shaft tube 21 to rotate through the tooth wall ring 221.
Referring to fig. 2, 4, 7 and 8, in another preferred embodiment of the present invention, the telescopic filtering device 30 includes a plurality of translation members 31 horizontally disposed outside the tank body housing 10, a U-shaped plate 32 having one end connected to an actuating end of the translation member 31 and the other end penetrating through a sidewall of the tank body housing 10 and extending between two adjacent positioning boxes 12, a sliding frame 33 slidably connected to an inner wall of the U-shaped plate 32, and a filter box 35 connected to the sliding frame 33 by a mounting member 34, one end of the sliding frame 33 adjacent to the translation member 31 is connected to the U-shaped plate 32 by an intelligent disconnection member 36, one end of the sliding frame 33 remote from the translation member 31 is provided with a clamping member 37, an outer wall of the tank body housing 10 and a receiving ring 38 disposed under the U-shaped plate 32, the clamping member 37 is used for connecting an outer wall of the inner sleeve 11 or an inner wall of the tank body housing 10 with the sliding frame 33, the mounting component 34 comprises a plurality of positioning grooves 341 symmetrically arranged on two sides of the sliding frame 33, and a positioning block 342 symmetrically arranged on two sides of the filter box 35 and clamped with the positioning grooves 341, the intelligent disconnection component 36 comprises a positioning pipe 361, one end of which is communicated with the outer wall of the U-shaped plate 32, an iron column 362, one end of which is connected with the side wall of the sliding frame 33, the other end of which penetrates through the positioning pipe 361, and an electromagnetic ring 363, which is arranged on the inner wall of the positioning pipe 361 and sleeved on the outer wall of the iron column 362, the translation component 31 comprises a sliding rail 311 horizontally arranged on the outer wall of the kettle body 10, a sliding block 312 in sliding connection with the bottom of the sliding rail 311, and a driving cylinder 313 arranged on the bottom of the sliding block 312, the execution end of the driving cylinder 313 is connected with the outer wall of the kettle body 10, the side wall of the driving cylinder 313 is connected with the outer wall of the positioning pipe 361 through a connecting plate, the clamping component 37 comprises clamping columns 371 symmetrically arranged at the top and the bottom of the sliding frame 33, and clamping rings 372 arranged on the outer wall of the inner sleeve 11 and the inner wall of the kettle shell 10 and used for clamping the clamping columns 371.
It should be noted that, in the present embodiment, the plurality of telescopic filtering devices 30 sequentially arranged from top to bottom may adopt the filter box 35 with the mesh decreasing from top to bottom to achieve the graded filtering effect;
when the telescopic filtering device 30 works and stretches into the kettle body shell 10, the executing end of the translation part 31 drives the U-shaped plate 32 and the sliding frame 33 to move into the kettle body shell 10, at the moment, the clamping column 371 on the sliding frame 33 is clamped with the clamping ring 372 on the outer wall of the inner sleeve 11, the intelligent disconnection part 36 disconnects the U-shaped plate 32 and the sliding frame 33, the executing end of the translation part 31 only drives the U-shaped plate 32 to move outwards, and at the moment, the filter box 35 can filter precipitated lithium in the circulating current;
when the kettle body shell 10 is moved out, the execution end of the translation part 31 drives the U-shaped plate 32 to push the U-shaped plate 32 into the kettle body shell 10, after the U-shaped plate 32 covers the sliding frame 33, the intelligent disconnection part 36 connects the U-shaped plate 32 with the sliding frame 33, at this time, the execution end of the translation part 31 drives the U-shaped plate 32 and the sliding frame 33 to move out of the kettle body shell 10 together, after the clamping posts 371 on the sliding frame 33 are clamped with the clamping rings 372 on the inner wall of the kettle body shell 10, the intelligent disconnection part 36 disconnects the connection between the U-shaped plate 32 and the sliding frame 33 again, the execution end of the translation part 31 continues to drive the U-shaped plate 32 to move in the direction away from the kettle body shell 10 until the filter box 35 is exposed, and the filter box 35 can be directly detached from the sliding frame 33, namely, the positioning blocks 342 are separated from the positioning grooves 341.
Further, the actuating end of the actuating cylinder 313 stretches to drive the actuating cylinder 313 and the sliding block 312 to move, and the actuating cylinder 313 drives the U-shaped plate 32 to move through the positioning tube 361;
further, when the intelligent disconnection component 36 works, the electromagnetic ring 363 is electrified to magnetically attract the iron post 362 to realize the connection of the U-shaped plate 32 and the sliding frame 33, and the electromagnetic ring 363 is powered off to realize the separation of the U-shaped plate 32 and the sliding frame 33;
further, the receiving ring 38 can recover and collect the leaked lye.
According to the above embodiment, there is also provided a lithium precipitation process of a lithium precipitation kettle for producing lithium electric materials, including the following steps:
step one, adding and heating an alkaline agent, namely adding the alkaline agent into the kettle body shell 10 through an alkaline agent liquid inlet pipe 14, starting a driving part 22 and a heating part 13, and surging the alkaline agent from bottom to top in an inner sleeve 11 under the action of a spiral blade 25, wherein the alkaline agent surges from top to bottom between the inner sleeve 11 and the kettle body shell 10 to form a circulation so as to be convenient for the heating part 13 to uniformly heat the alkaline agent;
step two, adding mother liquor, namely adding the mother liquor into the infusion shaft tube 21 through the liquid adding part 23, uniformly adding the mother liquor into the alkaline agent through the infusion shaft tube 21, and circulating along with the alkaline agent, wherein solid-phase lithium slowly separates out from the solution and moves along with the circulating;
and thirdly, screening solid-phase lithium, wherein the telescopic filter device 30 stretches into the kettle body shell 10 from the outer wall of the kettle body shell 10 and screens the circulating solid-phase lithium, and after screening, the telescopic filter device 30 moves out of the kettle body shell 10, so that lithium precipitation can be obtained.
The specific flow of the invention is as follows:
the controller model is "6ES7214-2AD23-0XB8", and the PH sensor 15 model is "S-PH-AX1".
During processing, firstly, adding alkaline agent into the kettle body shell 10 through the alkaline agent liquid inlet pipe 14, starting the driving part 22 and the heating part 13, and under the action of the helical blade 25, surging the alkaline agent from bottom to top in the inner sleeve 11, and surging the alkaline agent from top to bottom between the inner sleeve 11 and the kettle body shell 10 to form a circulation so as to facilitate the heating part 13 to uniformly heat the alkaline agent;
secondly, mother liquor is added into the transfusion shaft tube 21 through the liquid adding part 23, the mother liquor is uniformly added into the alkaline agent through the transfusion shaft tube 21 and circulates along with the alkaline agent, and solid-phase lithium slowly separates out from the solution and moves along with the circulation;
finally, the telescopic filter device 30 stretches into the kettle body shell 10 from the outer wall of the kettle body shell 10 and screens out solid-phase lithium in circulation, and after screening out, the telescopic filter device 30 moves out of the kettle body shell 10, so that lithium precipitation can be obtained;
when the heating component 13 works, the heating pipe 131 generates heat, and the heat is conducted into the solution in the kettle body shell 10 through the heat conducting column 132;
after a period of reaction, the PH value of the solution is changed, and at the moment, the controller receives PH value data of the PH sensor 15 and triggers a dosing pump connected with the alkaline agent liquid inlet pipe 14 until the PH value reaches a set value;
when the rotary liquid extraction device 20 works, the driving part 22 drives the transfusion shaft tube 21 to rotate, the transfusion shaft tube 21 drives the spiral blade 25 and the stirring rod 26 to rotate, the spiral blade 25 and the inner sleeve 11 are matched to extract the solution in the inner sleeve 11 upwards, and the stirring rod 26 can prevent lithium from depositing at the bottom of the inner wall of the kettle body shell 10;
when mother liquor is added, the mother liquor is added into the transfusion shaft tube 21 through the liquid adding pipe 231, and uniformly diffused into the alkaline agent through the liquid adding port 232, and the one-way valve 24 can prevent the solution from flowing back;
when the driving part 22 works, the execution end of the driving motor 222 drives the driving gear 223 to rotate, and the driving gear 223 drives the transfusion shaft tube 21 to rotate through the tooth wall ring 221;
the plurality of telescopic filtering devices 30 sequentially arranged from top to bottom can adopt a filtering box 35 with meshes which are changed from large to small from top to bottom so as to realize a grading filtering effect;
when the telescopic filtering device 30 works and stretches into the kettle body shell 10, the executing end of the translation part 31 drives the U-shaped plate 32 and the sliding frame 33 to move into the kettle body shell 10, at the moment, the clamping column 371 on the sliding frame 33 is clamped with the clamping ring 372 on the outer wall of the inner sleeve 11, the intelligent disconnection part 36 disconnects the U-shaped plate 32 and the sliding frame 33, the executing end of the translation part 31 only drives the U-shaped plate 32 to move outwards, and at the moment, the filter box 35 can filter precipitated lithium in the circulating current;
when the kettle body shell 10 is moved out, the execution end of the translation part 31 drives the U-shaped plate 32 to push the U-shaped plate 32 into the kettle body shell 10, after the U-shaped plate 32 covers the sliding frame 33, the intelligent disconnection part 36 connects the U-shaped plate 32 with the sliding frame 33, at this time, the execution end of the translation part 31 drives the U-shaped plate 32 and the sliding frame 33 to move out of the kettle body shell 10 together, after the clamping posts 371 on the sliding frame 33 are clamped with the clamping rings 372 on the inner wall of the kettle body shell 10, the intelligent disconnection part 36 disconnects the connection between the U-shaped plate 32 and the sliding frame 33 again, the execution end of the translation part 31 continues to drive the U-shaped plate 32 to move in the direction away from the kettle body shell 10 until the filter box 35 is exposed, and the filter box 35 can be directly detached from the sliding frame 33, namely, the positioning blocks 342 are separated from the positioning grooves 341.
The execution end of the driving cylinder 313 stretches to drive the driving cylinder 313 body and the sliding block 312 to move, and the driving cylinder 313 body drives the U-shaped plate 32 to move through the positioning pipe 361;
when the intelligent disconnection component 36 works, the electromagnetic ring 363 is electrified to magnetically attract the iron post 362 to realize the connection of the U-shaped plate 32 and the sliding frame 33, and the electromagnetic ring 363 can realize the separation of the U-shaped plate 32 and the sliding frame 33 after the power is off;
the receiving ring 38 allows for recovery of the leaked lye.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (10)
1. The utility model provides a lithium electricity material production is with heavy lithium kettle, includes cauldron body shell (10), its characterized in that, be equipped with interior sleeve pipe (11) in cauldron body shell (10), cauldron body shell (10) with be equipped with a plurality of locating boxes (12) between interior sleeve pipe (11), cauldron body shell (10) top is equipped with carries out rotatory liquid extraction device (20) that the end extends to interior sleeve pipe (11), cauldron body shell (10) outer wall top-down is equipped with a plurality of flexible filter equipment (30) that are equipped with the end and extend to in cauldron body shell (10) in proper order;
the rotary liquid extracting device (20) comprises a liquid conveying shaft tube (21) with the bottom end penetrating through the top of the kettle body shell (10) and extending to the bottom of the inner wall of the kettle body shell (10), a driving component (22) arranged at the top of the kettle body shell (10) and used for driving the liquid conveying shaft tube (21) to rotate, a liquid adding component (23) arranged at the top of the kettle body shell (10) and used for inputting mother liquid into the liquid conveying shaft tube (21), a one-way valve (24), a helical blade (25) and a stirring rod (26) which are arranged in the kettle body shell (10) and sequentially arranged on the liquid conveying shaft tube (21) from top to bottom, wherein the helical blade (25) is arranged in the inner sleeve (11);
the telescopic filtering device comprises a plurality of translation parts (31) horizontally arranged outside the kettle body shell (10), one end of the telescopic filtering device is connected with an execution end of the translation parts (31), the other end of the telescopic filtering device penetrates through the side wall of the kettle body shell (10) and extends to two adjacent U-shaped plates (32) between the positioning boxes (12), a sliding frame (33) slidingly connected with the inner walls of the U-shaped plates (32), and a filter box (35) connected with the sliding frame (33) through a mounting part (34), one end, close to the translation parts (31), of the sliding frame (33) is connected with the U-shaped plates (32) through an intelligent disconnection part (36), one end, far away from the translation parts (31), of the sliding frame (33) is provided with a clamping part (37), the outer wall of the kettle body shell (10) is positioned at the lower part of the U-shaped plates (32), and the clamping part (37) is used for connecting the outer wall of the inner sleeve (11) or the inner wall of the kettle body shell (10) with the sliding frame (33).
2. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the driving component (22) comprises a tooth wall ring (221) sleeved on the outer wall of the transfusion shaft tube (21), a driving motor (222) arranged at the top of the kettle body shell (10), and a driving gear (223) arranged at the execution end of the driving motor (222) and meshed with the tooth wall ring (221).
3. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the liquid adding part (23) comprises a liquid adding pipe (231) fixed at the top of the kettle body shell (10) through a plurality of support rods, and a plurality of liquid adding ports (232) arranged on the outer wall of the liquid feeding shaft pipe (21), the bottom of the inner wall of the liquid adding pipe (231) is rotationally connected with the top of the side wall of the liquid feeding shaft pipe (21), and the liquid adding ports (232) are sequentially arranged from top to bottom.
4. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the mounting component (34) comprises a plurality of positioning grooves (341) symmetrically arranged on two sides of the sliding frame (33), and positioning blocks (342) symmetrically arranged on two sides of the filter box (35) and clamped with the positioning grooves (341).
5. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the intelligent disconnection component (36) comprises a positioning tube (361) with one end communicated with the outer wall of the U-shaped plate (32), an iron column (362) with one end connected with the side wall of the sliding frame (33) and the other end penetrating through the positioning tube (361), and an electromagnetic ring (363) arranged on the inner wall of the positioning tube (361) and sleeved on the outer wall of the iron column (362).
6. The lithium deposition kettle for lithium battery material production according to claim 5, wherein the translation part (31) comprises a sliding rail (311) horizontally arranged on the outer wall of the kettle body shell (10), a sliding block (312) slidingly connected with the bottom of the sliding rail (311), and a driving cylinder (313) arranged at the bottom of the sliding block (312), the execution end of the driving cylinder (313) is connected with the outer wall of the kettle body shell (10), and the side wall of the driving cylinder (313) is connected with the outer wall of the positioning tube (361) through a connecting plate.
7. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the clamping component (37) comprises clamping columns (371) symmetrically arranged at the top and the bottom of the sliding frame (33), and clamping rings (372) arranged on the outer wall of the inner sleeve (11) and the inner wall of the kettle body shell (10) and used for clamping the clamping columns (371).
8. The lithium deposition kettle for lithium battery material production according to claim 1, wherein a heating component (13) is arranged in the positioning box (12), the heating component (13) comprises a plurality of heating pipes (131) vertically arranged in the positioning box (12), one end of each heating pipe is connected with the heating pipe (131), and the other end of each heating pipe penetrates through the positioning box (12) and extends to a heat conducting column (132) outside the positioning box (12).
9. The lithium deposition kettle for lithium battery material production according to claim 1, wherein the top of the kettle body shell (10) is communicated with an alkaline agent liquid inlet pipe (14), and a ph sensor (15) is arranged on the inner wall of the kettle body shell (10).
10. A lithium deposition process of a lithium deposition kettle for producing lithium electric materials according to any one of claims 1 to 9, characterized by comprising the following steps:
adding and heating an alkaline agent, namely adding the alkaline agent into a kettle body shell (10) through an alkaline agent liquid inlet pipe (14), starting a driving part (22) and a heating part (13), and surging the alkaline agent from bottom to top in an inner sleeve (11) under the action of a spiral blade (25), wherein a circulation flow is formed between the inner sleeve (11) and the kettle body shell (10) from top to bottom so as to facilitate the uniform heating of the alkaline agent by the heating part (13);
step two, adding mother liquor, namely adding the mother liquor into the infusion shaft tube (21) through the liquid adding component (23), uniformly adding the mother liquor into the alkaline agent through the infusion shaft tube (21), and circulating along with the alkaline agent, wherein solid-phase lithium slowly separates out from the solution and moves along with the circulating;
and thirdly, screening solid-phase lithium, wherein the telescopic filtering device (30) stretches into the kettle body shell (10) from the outer wall of the kettle body shell (10) and screens the solid-phase lithium in the circulating current, and after the screening is completed, the telescopic filtering device (30) moves out of the kettle body shell (10) to obtain lithium precipitation.
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