CN111592019A - Precipitation formula, process and device of large-particle lithium carbonate - Google Patents
Precipitation formula, process and device of large-particle lithium carbonate Download PDFInfo
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- CN111592019A CN111592019A CN202010590274.6A CN202010590274A CN111592019A CN 111592019 A CN111592019 A CN 111592019A CN 202010590274 A CN202010590274 A CN 202010590274A CN 111592019 A CN111592019 A CN 111592019A
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- lithium carbonate
- carbonate
- lithium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/08—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a precipitation formula, a process and a device of large-particle lithium carbonate. A precipitation formulation for large particle lithium carbonate comprises: the lithium sulfate-sodium carbonate composite material comprises sodium carbonate, lithium sulfate, lithium carbonate, a precipitator and a floating liquid, wherein the ratio of the sodium carbonate to the lithium sulfate is 2:5, the ratio of the precipitator to the floating liquid is 0.6:1, and the concentration of the sodium carbonate is 330-. A precipitation process of large-particle lithium carbonate comprises the following steps: s1: adding cubic lithium sulfate into a reaction kettle; s2: adding lithium carbonate into the reaction kettle; s3: raising the temperature in the reaction kettle; s4: adding sodium carbonate and lithium carbonate into a reaction kettle for mixing; s5: and adding a precipitator and the floating liquid into the reaction kettle, and uniformly mixing to obtain lithium carbonate precipitate. The precipitation formula, the process and the device for the large-particle lithium carbonate have the advantage of large precipitated particles.
Description
Technical Field
The invention relates to the technical field of lithium carbonate precipitation, in particular to a precipitation formula, a precipitation process and a precipitation device of large-particle lithium carbonate.
Background
Lithium carbonate, an inorganic compound, has the chemical formula of Li2CO3, is a colorless monoclinic crystal or white powder, is soluble in dilute acid, is slightly soluble in water, has a higher solubility in cold water than hot water, is insoluble in alcohol and acetone, and can be used as a common lithium ion battery raw material for preparing ceramics, medicaments, catalysts and the like. The lithium carbonate solid particles precipitated by the existing lithium carbonate precipitation process are small, and the precipitation efficiency is low.
Therefore, there is a need to provide a new precipitation formulation, process and apparatus for large particle lithium carbonate to solve the above problems.
Disclosure of Invention
The invention aims to provide a precipitation formula, a process and a device for large-particle lithium carbonate with large precipitation particles and high precipitation efficiency.
In order to solve the technical problems, the precipitation formula of the large-particle lithium carbonate provided by the invention comprises the following components: the lithium sulfate-sodium carbonate composite material comprises sodium carbonate, lithium sulfate, lithium carbonate, a precipitator and a floating liquid, wherein the ratio of the sodium carbonate to the lithium sulfate is 2:5, the ratio of the precipitator to the floating liquid is 0.6:1, and the concentration of the sodium carbonate is 330-.
A precipitation process of large-particle lithium carbonate comprises the following steps:
s1: adding cubic lithium sulfate into a reaction kettle;
s2: adding lithium carbonate into the reaction kettle;
s3: raising the temperature in the reaction kettle;
s4: adding sodium carbonate and lithium sulfate into a reaction kettle for mixing;
s5: and adding a precipitator and the floating liquid into the reaction kettle, and uniformly mixing to obtain lithium carbonate precipitate.
Preferably, in the step S3, the temperature in the reaction kettle is increased to 95 ℃ or higher.
Preferably, the sodium carbonate and lithium sulfate added into the reaction kettle in the S4 are respectively two cubic sodium carbonate and four cubic lithium carbonate.
The utility model provides a precipitation device of large granule lithium carbonate, includes reation kettle, reation kettle includes the discharging pipe, install first valve on the discharging pipe, the bottom side fixed mounting of discharging pipe has the shell, fixed mounting has the baffle in the shell, the baffle will space division in the shell is filter chamber and stoving chamber, filter assembly is installed to the filter chamber, heater and drying fan are installed to the stoving intracavity, drain pipe and row's material pipe are installed to the bottom side of shell, the drain pipe with the filter chamber is linked together, arrange the material pipe with the stoving chamber is linked together, install the second valve on the drain pipe, arrange and install the third valve on the material pipe.
Preferably, a through hole is formed in the partition plate, a water baffle is rotatably mounted in the through hole, and one side of the filtering assembly extends into the through hole and is rotatably connected with the inner wall of the bottom side of the through hole.
Preferably, seted up on the baffle first through-hole, fixed mounting has the pulley in the first through-hole, the stoving chamber is kept away from the second through-hole has been seted up on one side inner wall of filter chamber, fixed mounting has the mounting bracket on the shell, install the coiling mechanism on the mounting bracket, filtering component's top side is connected with the stay cord, the stay cord runs through first through-hole with the second through-hole extends to outside the shell, the stay cord with the pulley contacts, the stay cord with the coiling mechanism is connected.
Preferably, the filter assembly comprises a frame and a filter screen, the filter screen is installed in the frame, a fixing ring and a mandril are fixedly installed on the top side of the frame, the fixing ring is connected with the pull rope, a balancing weight is fixedly installed on the bottom side of the frame, a limiting block is fixedly installed on the inner wall of one side of the filter cavity, and the limiting block is in contact with the frame.
Preferably, the coiling mechanism includes the motor, fixedly connected with pivot on the output shaft of motor, the fixed cover has been cup jointed in the pivot and has been changeed the roller, the rolling change the roller with the stay cord is connected, the top side fixed mounting of mounting bracket has two supporting seats, the supporting seat with the pivot is rotated and is cup jointed.
Preferably, a notch is formed in one side, close to the ejector rod, of the water baffle, an opening is formed in the bottom side of the notch, a sealing strip is fixedly mounted on the inner wall of one side of the notch, a sealing seat is fixedly mounted on the top side of the frame, and the sealing seat is connected with the sealing strip in a sealing mode. .
Compared with the related technology, the precipitation formula, the process and the device of the large-particle lithium carbonate provided by the invention have the following beneficial effects:
the invention provides a precipitation formula, a process and a device of large-particle lithium carbonate, which can accurately form lithium carbonate particles with large particles of 50-120 microns; large granule lithium carbonate in with reation kettle filters through filtering component, and the ejection of compact of drying in the large granule lithium carbonate after filtering can get into the stoving intracavity, simple structure, and the practicality is strong, convenient operation.
Drawings
Fig. 1 is a flow chart of a precipitation process of large-particle lithium carbonate provided by the invention;
fig. 2 is a schematic structural diagram of a first embodiment of the precipitation device for large-particle lithium carbonate provided by the invention;
FIG. 3 is a schematic view of the filter assembly of FIG. 2;
fig. 4 is a schematic top view of the winding device shown in fig. 2;
fig. 5 is a schematic structural diagram of a second embodiment of the precipitation device for large-particle lithium carbonate provided by the invention.
Reference numbers in the figures: 1. the shell, 2, the baffle, 3, the filter chamber, 4, the stoving chamber, 5, the through hole, 6, the breakwater, 7, filtering component, 8, first through-hole, 9, the pulley, 10, solid fixed ring, 11, the stay cord, 12, the second through-hole, 13, the coiling mechanism, 14, the mounting bracket, 15, the heater, 16, drying fan, 17, the ejector pin, 18, the stopper, 19, the balancing weight, 20, the discharging pipe, 21, first valve, 22, the drain pipe, 23, the second valve, 24, arrange the pipe, 25, the third valve, 26, the frame, 27, the filter screen, 28, the motor, 29, the pivot, 30, rolling runner, 31, the supporting seat, 32, breach, 33, the sealing strip, 34, the seal receptacle.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The first embodiment:
referring to fig. 2-4, in a first embodiment of the present invention, a precipitation formulation, process and apparatus for large particle lithium carbonate includes: the lithium sulfate-sodium carbonate composite material comprises sodium carbonate, lithium sulfate, lithium carbonate, a precipitator and a floating liquid, wherein the ratio of the sodium carbonate to the lithium sulfate is 2:5, the ratio of the precipitator to the floating liquid is 0.6:1, and the concentration of the sodium carbonate is 330-.
A precipitation process of large-particle lithium carbonate comprises the following steps:
s1: adding cubic lithium sulfate into a reaction kettle;
s2: adding lithium carbonate into the reaction kettle;
s3: raising the temperature in the reaction kettle;
s4: adding sodium carbonate and lithium sulfate into a reaction kettle for mixing;
s5: and adding a precipitator and the floating liquid into the reaction kettle, and uniformly mixing to obtain lithium carbonate precipitate.
And in the step S3, the temperature in the reaction kettle is increased to be more than 95 ℃.
The sodium carbonate and lithium sulfate added into the reaction kettle in the S4 account for two cubes of sodium carbonate and four cubes of lithium carbonate respectively.
The utility model provides a precipitation device of large granule lithium carbonate, includes reation kettle, reation kettle includes discharging pipe 20, install first valve 21 on the discharging pipe 20, the bottom side fixed mounting of discharging pipe 20 has shell 1, fixed mounting has baffle 2 in the shell 1, baffle 2 will space division in the shell 1 is filter chamber 3 and stoving chamber 4, install filter assembly 7 in the filter chamber 3, install heater 15 and drying fan 16 in the stoving chamber 4, drain pipe 22 and row's material pipe 24 are installed to the bottom side of shell 1, drain pipe 22 with filter chamber 3 is linked together, arrange the material pipe 24 with stoving chamber 4 is linked together, install second valve 23 on the drain pipe 22, arrange and install third valve 25 on the material pipe 24.
The partition board 2 is provided with a through hole 5, a water baffle 6 is rotatably mounted in the through hole 5, and one side of the filter assembly 7 extends into the through hole 5 and is rotatably connected with the inner wall of the bottom side of the through hole 5.
Seted up on the baffle 2 first through-hole 8, fixed mounting has pulley 9 in the first through-hole 8, stoving chamber 4 is kept away from second through-hole 12 has been seted up on one side inner wall of filter chamber 3, fixed mounting has mounting bracket 14 on the shell 1, install coiling mechanism 13 on the mounting bracket 14, the top side of filter assembly 7 is connected with stay cord 11, stay cord 11 runs through first through-hole 8 with second through-hole 12 extends to outside the shell 1, stay cord 11 with pulley 9 contacts, stay cord 11 with coiling mechanism 13 is connected.
The filtering component 7 comprises a frame 26 and a filtering net 27, the filtering net 27 is installed in the frame 26, a fixing ring 10 and a mandril 17 are fixedly installed on the top side of the frame 26, the fixing ring 10 is connected with the pull rope 11, a balancing weight 19 is fixedly installed on the bottom side of the frame 26, a limiting block 18 is fixedly installed on the inner wall of one side of the filtering cavity 3, and the limiting block 18 is in contact with the frame 26.
The winding device 13 comprises a motor 28, a rotating shaft 29 is fixedly connected to an output shaft of the motor 28, a winding rotary roller 30 is fixedly sleeved on the rotating shaft 29, the winding rotary roller 30 is connected with the pull rope 11, two supporting seats 31 are fixedly mounted on the top side of the mounting rack 14, and the supporting seats 31 are rotatably sleeved with the rotating shaft 29.
The working principle of the precipitation formula, the process and the device of the large-particle lithium carbonate provided by the invention is as follows:
first, open first valve 21 and second switch 22, large granule lithium carbonate in the reation kettle falls into shell 1, the filtration through filter assembly 7 is detained on the top side of filter assembly 7, close first valve 21 after the filtration is accomplished, start coiling mechanism 13, coiling mechanism 13 rolling stay cord 11 lifts filter assembly 7, in-process ejector pin 17 extrusion breakwater 6 that filter assembly 7 rose makes breakwater 6 open, lithium carbonate large granule on filter assembly 7 falls into stoving chamber 4 through-hole 5 this moment, dry the lithium carbonate large granule through heater 15 and drying fan 16, open the third valve, large granule lithium carbonate discharges through arranging material pipe 24.
Compared with the related technology, the precipitation formula, the process and the device of the large-particle lithium carbonate provided by the invention have the following beneficial effects:
the invention provides a precipitation formula, a process and a device of large-particle lithium carbonate, which can accurately form lithium carbonate particles with large particles of 50-120 microns; large granule lithium carbonate in with reation kettle filters through filtering component 7, and the ejection of compact of drying in large granule lithium carbonate after filtering can getting into stoving chamber 4, simple structure, and the practicality is strong, convenient operation.
Second embodiment:
based on the precipitation formula, the process and the device for large-particle lithium carbonate provided in the first embodiment of the present application, a second embodiment of the present application provides another precipitation formula, a process and a device for large-particle lithium carbonate. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5, the present embodiment is different from the first embodiment in that a notch 32 is formed in one side of the water baffle 6 close to the ejector rod 17, a bottom side of the notch 32 is an opening, a sealing strip 33 is fixedly installed on an inner wall of one side of the notch 32, a sealing seat 34 is fixedly installed on a top side of the frame 26, and the sealing seat 34 is connected to the sealing strip 33 in a sealing manner.
Through the sealing strip 33 and the sealing seat 34, the added tightness of the water baffle 6 prevents the solution from flowing into the drying cavity 4 in a large amount, so that the humidity in the drying cavity 4 is high, and the problem of high drying difficulty is caused.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A precipitation formulation for large particle lithium carbonate, comprising: the lithium sulfate-sodium carbonate composite material comprises sodium carbonate, lithium sulfate, lithium carbonate, a precipitator and a floating liquid, wherein the ratio of the sodium carbonate to the lithium sulfate is 2:5, the ratio of the precipitator to the floating liquid is 0.6:1, and the concentration of the sodium carbonate is 330-.
2. A precipitation process of large-particle lithium carbonate is characterized by comprising the following steps:
s1: adding cubic lithium sulfate into a reaction kettle;
s2: adding lithium carbonate into the reaction kettle;
s3: raising the temperature in the reaction kettle;
s4: adding sodium carbonate and lithium sulfate into a reaction kettle for mixing;
s5: and adding a precipitator and the floating liquid into the reaction kettle, and uniformly mixing to obtain lithium carbonate precipitate.
3. The process of precipitating large particle lithium carbonate according to claim 2, wherein the temperature in the reaction kettle is increased to 95 ℃ or higher in the S3.
4. The process of claim 2, wherein the sodium carbonate and lithium sulfate added to the reaction kettle in S4 are added in amounts of two cubic volumes of sodium carbonate and four cubic volumes of lithium carbonate.
5. The utility model provides a precipitation device of large granule lithium carbonate, its characterized in that, the reation kettle of any of claims 1-4, reation kettle includes the discharging pipe, install first valve on the discharging pipe, the bottom side fixed mounting of discharging pipe has the shell, fixed mounting has the baffle in the shell, the baffle will space in the shell is divided into filter chamber and stoving chamber, install filter assembly in the filter chamber, install heater and drying fan in the stoving chamber, drain pipe and row's material pipe are installed to the bottom side of shell, the drain pipe with the filter chamber is linked together, arrange the material pipe with the stoving chamber is linked together, install the second valve on the drain pipe, arrange and install the third valve on the material pipe.
6. The precipitation apparatus for large-particle lithium carbonate as claimed in claim 5, wherein a through hole is formed in the partition plate, a water baffle plate is rotatably mounted in the through hole, and one side of the filter assembly extends into the through hole and is rotatably connected with the inner wall of the bottom side of the through hole.
7. The precipitation device of large-particle lithium carbonate as claimed in claim 5, wherein the partition plate is provided with the first through hole, a pulley is fixedly installed in the first through hole, a second through hole is formed in an inner wall of one side of the drying chamber, which is away from the filter chamber, a mounting frame is fixedly installed on the housing, a winding device is installed on the mounting frame, a pull rope is connected to a top side of the filter assembly, the pull rope penetrates through the first through hole and the second through hole and extends to the outside of the housing, the pull rope is in contact with the pulley, and the pull rope is connected with the winding device.
8. The precipitation device of large granule lithium carbonate according to claim 7, wherein the filter assembly comprises a frame and a filter screen, the filter screen is installed in the frame, a fixing ring and a top rod are fixedly installed on the top side of the frame, the fixing ring is connected with the pull rope, a balancing weight is fixedly installed on the bottom side of the frame, a limiting block is fixedly installed on the inner wall of one side of the filter cavity, and the limiting block is in contact with the frame.
9. The deposition device for large-particle lithium carbonate as claimed in claim 7, wherein the winding device comprises a motor, a rotating shaft is fixedly connected to an output shaft of the motor, a winding roller is fixedly sleeved on the rotating shaft and connected with the pulling rope, two supporting seats are fixedly installed on the top side of the mounting frame, and the supporting seats are rotatably sleeved with the rotating shaft.
10. The precipitation device of large-particle lithium carbonate as claimed in claim 8, wherein a notch is formed in one side of the water baffle close to the ejector rod, the bottom side of the notch is an opening, a sealing strip is fixedly mounted on an inner wall of one side of the notch, and a sealing seat is fixedly mounted on the top side of the frame and is in sealing connection with the sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590274.6A CN111592019A (en) | 2020-06-25 | 2020-06-25 | Precipitation formula, process and device of large-particle lithium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590274.6A CN111592019A (en) | 2020-06-25 | 2020-06-25 | Precipitation formula, process and device of large-particle lithium carbonate |
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| CN111592019A true CN111592019A (en) | 2020-08-28 |
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| CN202010590274.6A Pending CN111592019A (en) | 2020-06-25 | 2020-06-25 | Precipitation formula, process and device of large-particle lithium carbonate |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675107A (en) * | 1985-07-12 | 1987-06-23 | Freeport Minerals Company | Tilting pan filters |
| CN202087125U (en) * | 2011-04-29 | 2011-12-28 | 陈锡林 | Anti-explosion vacuum filtration drying unit for insoluble sulfur production |
| CN110217806A (en) * | 2019-07-04 | 2019-09-10 | 中国科学院青海盐湖研究所 | A kind of salt lake richness lithium making from brine for bulky grain lithium carbonate method |
-
2020
- 2020-06-25 CN CN202010590274.6A patent/CN111592019A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675107A (en) * | 1985-07-12 | 1987-06-23 | Freeport Minerals Company | Tilting pan filters |
| CN202087125U (en) * | 2011-04-29 | 2011-12-28 | 陈锡林 | Anti-explosion vacuum filtration drying unit for insoluble sulfur production |
| CN110217806A (en) * | 2019-07-04 | 2019-09-10 | 中国科学院青海盐湖研究所 | A kind of salt lake richness lithium making from brine for bulky grain lithium carbonate method |
Non-Patent Citations (1)
| Title |
|---|
| 王彦飞等: "反应结晶制备碳酸锂的粒度及形貌控制", 《无机盐工业》 * |
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Application publication date: 20200828 |