CN107540005A - A kind of continuous sinker groove and the continuous sinker technique of battery-level lithium carbonate - Google Patents
A kind of continuous sinker groove and the continuous sinker technique of battery-level lithium carbonate Download PDFInfo
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- CN107540005A CN107540005A CN201710953038.4A CN201710953038A CN107540005A CN 107540005 A CN107540005 A CN 107540005A CN 201710953038 A CN201710953038 A CN 201710953038A CN 107540005 A CN107540005 A CN 107540005A
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- 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
Abstract
The invention discloses a kind of continuous sinker groove and the continuous sinker technique of battery-level lithium carbonate, described continuous sinker groove includes the sinker groove connected by charge tube and crosses hopper, wherein, sinker groove includes the A grooves and B grooves separated by dividing plate, and upper and lower two ports are provided with dividing plate, agitator is both provided with A grooves, B grooves and mistake hopper, soda ash liquid is sent into A grooves first when sinker reacts, logical steam heating, opens stirring, then enriching contracting lithium sulfate scavenging solution.The equipment and sinker technique of the present invention solves the sector batch production all the time and secondary sinker technique, both ensured that product quality and can realized continuous sinker, solves the problem that low production efficiency, process route are long and investment is big, substantially increase production efficiency, technological process is shortened, reduces investment and production cost.
Description
Technical field
The invention discloses battery-level lithium carbonate to produce continuous sinker technique, specially a kind of spodumene-Production By Sulfuric Acid Process
The technique of the continuous sinker of battery-level lithium carbonate, the technique solve the sector batch production all the time and secondary sinker work
Skill, production efficiency is substantially increased, shorten technological process, reduce investment and production cost.
Background technology
Due to current new material, the fast development of new energy industry, high-end lithium product demand is powerful, particularly electrokinetic cell
It is vigorous with the domain requirement such as automobile industry, turn into lithium product line industry main growth factor, basic material of the lithium carbonate as lithium product
It will be increased every year with 10-20% speed, particularly LITHIUM BATTERY and pure Lithium Carbonate growth rate is swift and violent.China is most of at present
Battery-level lithium carbonate production use spodumene-sulfuric acid process, its technique be the transition of spodumene concentrate high temperature, grinding, acidifying, leaching,
Purification and impurity removal, sinker, be separated by filtration, lithium carbonate washing, drying, air-flow crushing, the flow such as packaging.Because battery-level lithium carbonate is miscellaneous
Matter content ＜ 0.25%, to SO4 2-Require extremely strict with metal cation, in order to ensure product quality, sinkers all at present
Process all uses batch production, reversely charging, secondary sinker technique, causes technological process length, investment big, production efficiency pole
It is low.
The content of the invention
The invention discloses a kind of continuous sinker groove and the continuous sinker technique of battery-level lithium carbonate, equipment of the invention and heavy
Lithium technique solves the sector batch production all the time and secondary sinker technique, and it is continuous both to have ensured that product quality and can was realized
Sinker, solve the problem that low production efficiency, process route are long and investment is big, substantially increase production efficiency, shorten technique
Flow, reduce investment and production cost.
A kind of continuous sinker groove and the continuous sinker technique of battery-level lithium carbonate of the present invention is real by the following technical programs
Existing：A kind of continuous sinker groove, including by the sinker groove that charge tube connects and hopper excessively, wherein, sinker groove includes adjacent A
Groove and B grooves, are separated between A grooves and B grooves by dividing plate, two ports are provided with dividing plate, two ports are respectively positioned at dividing plate
Upper and lower part, A grooves, B grooves and crosses in hopper and is both provided with agitator, A groove tops portion be provided with concentrated vitriol lithium scavenging solution entrance,
Mother liquid of sodium entrance, pure alkali liquor inlet are inhaled, A groove sidewalls top is provided with steam inlet, and B groove sidewalls bottom is provided with condensed water and gone out
Mouthful, B groove sidewalls top is provided with overfall, and the charge tube being connected with crossing hopper is arranged on overfall, and B groove tops portion is provided with steaming
Vapor outlet；Sinker groove is both provided with heat-insulation layer outside with hopper excessively, and heating tube is provided between sinker groove sidewall and heat-insulation layer.
Preferably, the inner chamber of A grooves and B grooves is cylinder.
A groove agitators are dasher and are down-push type stirring, and B groove agitators are dasher and are that upper pushing-type is stirred
Mix, hopper agitator is dasher and is down-push type stirring excessively.
The equipment of all contact mediums is nonmagnetic stainless steel.
One end that pure alkali liquor inlet is located in A grooves is evenly arranged with 2-6 roots end and stretches into the pure of 300-500mm below liquid level
Alkali liquor pipe；The end that concentrated vitriol lithium scavenging solution entrance is located in A grooves is provided with centrifugal energy nozzle.
A kind of continuous sinker technique of battery-level lithium carbonate, comprises the following steps：
(1) lithium sulfate solution of deep purifying is concentrated to give concentrated vitriol lithium scavenging solution；
(2) technical grade soda ash is configured to 295-315g/L soda ash liquid, secondary filter storage with freezing analysis mother liquid of sodium；
(3) above-mentioned continuous sinker groove is used, the soda ash liquid that step (2) obtains is passed through A grooves from pure alkali liquor inlet, leads to and steams
Vapour heats, and opens stirring, then enriching contracting lithium sulfate scavenging solution, adds to B groove overfalls；The reactive tank design innovation is substantial amounts of
Return slurry and reduction crystallization degree of supersaturation is mixed with uniform charging, in the absence of Li2SO4Peritectoid phenomenon, product quality is improved, realized
Continuous production；
(4) the lithium carbonate mixed liquor overflow after sinker is squeezed into centrifuge with pump to C grooves and separated, the wet carbonic acid after separation
Lithium stir washing into next procedure, is dissolved in the Na of water+And SO42-Ion is washed away by hot deionized water, and acquisition meets YS/T582-
201X battery-level lithium carbonate product；Sinker mother liquor after separation goes heat exchange cooling to freeze analysis sodium again；
(5) freezing analysis sodium：Sinker mother liquor is subjected to indirect refrigeration crystallization with brine freezing liquid, temperature reaches -3-5 DEG C, uses
Centrifuge is separated, and solid phase is sal glauberi, obtains analysing mother liquid of sodium；(6) after analysing mother liquid of sodium and the heat exchange heating of sinker mother liquor
Carry out matching somebody with somebody alkali with pure technical grade soda ash, superfluous analysis mother liquid of sodium returns to sinker A grooves, dilute sulphuric acid lithium scavenging solution concentration, made
Reaction more homogeneous.
Concentrated vitriol lithium scavenging solution meets following index in step (1)：Li2O counts 75 ± 5g/L；Ca2+≤2PPm；Mg2+≤
2PPm；PH 11~12；Fe2O3/Li2O≤2×10-4。
In step (3), soda ash liquid excessive 4-6% when adding to B groove overfalls, acted on by heating tube and muff, in groove
Temperature control is at 90-100 DEG C, reaction time 1.5-2.5h, and when agitator is run, 20-50 times of the material of B grooves returns to A grooves.
In step (4), the sinker mother liquor after separation meets Li2O 6.5 ± 0.5g/L, SO4 2-＜ 200g/L, CO3 2-15±
2g/L, pH=8-10.
In step (6), analysis mother liquid of sodium meets Li2O 8±0.5g/L、SO4 2-35±5g/L、CO3 2-18±2g/L。
Beneficial effects of the present invention are：Present invention reduces technological process, improves production efficiency, reduces heat consumption and life
Produce cost, and it is creative make use of homogeneous reaction feature, realize continuous operation.
Brief description of the drawings：
Fig. 1 is shown.
Wherein, 1- sinkers groove, 2- steam inlets, 3- heating tubes, 4-A grooves, 5- ports, 6-B grooves, 7- condensation-water drains, 8-
Cross hopper, 9- heat-insulation layers, 10- steam (vapor) outlets, the pure alkali liquor inlets of 11-, 12- suction mother liquid of sodium entrances, 13- concentrated vitriol lithium scavenging solutions
Entrance, 14- dividing plates, 15. soda ash liquid pipes.
Embodiment：
For a better understanding of the present invention, technical scheme is described in detail with instantiation below, but originally
Invention is not limited thereto.
Embodiment 1
A kind of continuous sinker groove, including by the sinker groove 1 that pipeline connects and hopper 8 excessively, wherein, sinker groove 1 includes phase
Adjacent A grooves 4 and B grooves 6, is separated by dividing plate 14 between A grooves 4 and B grooves 6, two ports 5, two ports 5 is provided with dividing plate 14
It is located at the upper and lower part of dividing plate 14 respectively, agitator is both provided with A grooves 4, B grooves 6 and mistake hopper 8, the top of A grooves 4 is provided with
Concentrated vitriol lithium scavenging solution entrance 13, mother liquid of sodium entrance 12, pure alkali liquor inlet 11 are inhaled, the side wall upper part of A grooves 4 is provided with steam inlet
The lower sidewall of 10, B groove 6 is provided with condensation-water drain 7, and the side wall upper part of B grooves 6 is provided with overfall, the pipeline being connected with crossing hopper 8
It is arranged on overfall, the top of B grooves 6 is provided with steam (vapor) outlet 10；Sinker groove 1 is both provided with heat-insulation layer 9 outside with hopper 8 excessively, sinks
Heating tube 3 is provided between the side wall of lithium groove 1 and heat-insulation layer 9.
Preferably, the inner chamber of A grooves 4 and B grooves 6 is cylinder.
The agitator of A grooves 4 pushes away paddle stirring under being, the agitator of B grooves 6 is crossed under the agitator of hopper 8 is and pushed away above to push away paddle stirring
Paddle stirs.
The equipment of all contact mediums is nonmagnetic stainless steel.
One end that pure alkali liquor inlet 11 is located in A grooves 4 is evenly arranged with 2-6 roots end and stretches into 300-500mm below liquid level
Soda ash liquid pipe 15；The end that concentrated vitriol lithium scavenging solution entrance 13 is located in A grooves 4 is provided with centrifugal energy nozzle.
Embodiment 2
Continuous sinker groove uses the structure of embodiment 1, in addition：A grooves 4 and the ratio of height to diameter of B grooves 6 are 1.5:1, two groove tops with
Bottom connection is the port 5 in 1/4 groove footpath, and the position of upper port 5 is less than the overfall position of B grooves 6.A grooves 4 and B grooves 6 all stir for individual layer
Oar, propeller are the 2/3 of groove footpath, 50 revs/min of rotating speed.
Went hopper 8 charge tube be arranged on B grooves 6 away from groove top 300mm at, charge tube caliber 300mm.Soda ash liquid pipe 15 exists
Enter liquid level 400mm in A grooves 4,4 uniform.A grooves 4 have φ 500mm steam (vapor) outlets 10 with the top of B grooves 6, cross the ratio of height to diameter of hopper 8
1:1, cross the rotating speed of agitator 50r/min of hopper 8.
A kind of continuous sinker technique of battery-level lithium carbonate, comprises the following steps：
(1) prepared by concentrated vitriol lithium scavenging solution：Li2O 73g/L、Ca2+1.8ppm、Mg2+2.0ppm、Fe3+0.1ppm
(2) 300g/L soda ash solutions are configured to freezing analysis mother liquid of sodium, without more than 0.8 μm impurity and glue after secondary filter
Body.
(3) first with pump by soda ash through metered A grooves 4, the steam valve then opened on the pipe heater outside 3 of sinker groove 1 is carried out
Heating, while open A grooves 4, B grooves 6, hopper 8 excessively and stir, then will be uniformly added into A grooves after the metering of concentrated vitriol lithium scavenging solution with pump
4, soda ash excessive 5% in control B grooves 6, when temperature reaches 90-95 DEG C in sinker groove 1, steam valve keeping temperature is adjusted, is stopped
Charging, be incubated two hours, then again simultaneously plus soda ash liquid and concentrated vitriol lithium scavenging solution, the overflow of sinker mixed liquor to cross hopper 8,
Then centrifuge is squeezed into punishment in advance pump to be separated.The wet lithium carbonate of solid phase stirs twice through deionized water to be washed, dries, crushing, packaging
Dispatch from the factory (battery-level lithium carbonate quality is shown in Table 1).
(4) sinker mother liquor is after separating：
Li2O 7.0g/L SO4 2-190g/L CO3 2-16g/L pH=9
Through plate type heat exchanger and freezing mother liquor countercurrent flow, freezing analysis sodium crystallizer is entered after cooling.
(5) freezing analysis sodium crystallizer controls 0 DEG C, after sal glauberi crystallization, is sent into centrifuge and is separated, solid phase ten
Aqueous sodium persulfate, liquid phase are analysis mother liquid of sodium：
Li2O 8.0g/L SO4 2-35g/L CO3 2-18g/L
(6) analyse mother liquid of sodium to carry out obtaining soda ash liquid with alkali with pure technical grade soda ash, A grooves are then returned to after secondary filter
4 sinkers, superfluous analysis mother liquid of sodium enter A grooves 4, maintenance reaction balance.
Embodiment 3
Continuous sinker groove uses the structure of embodiment 1, in addition：A grooves 4 and the ratio of height to diameter of B grooves 6 are 1.0:1, two groove tops with
Bottom connection is the port 5 in 1/4 groove footpath, and the position of upper port 5 is less than the overfall position of B grooves 6.A grooves 4 and B grooves 6 all stir for individual layer
Oar, propeller are the 2/3 of groove footpath, 70 revs/min of rotating speed.
Went hopper 8 charge tube be arranged on B grooves 6 away from groove top 300mm at, charge tube caliber 300mm.Soda ash liquid pipe 15 exists
Enter liquid level 500mm in A grooves 4,4 uniform.A grooves 4 have φ 500mm steam (vapor) outlets 10 with the top of B grooves 6, cross the ratio of height to diameter of hopper 8
1:1, cross the rotating speed of agitator 60r/min of hopper 8.
A kind of continuous sinker technique of battery-level lithium carbonate, comprises the following steps：
(1) prepared by concentrated vitriol lithium scavenging solution：Li2O 77g/L、Ca2+1.0ppm、Mg2+1.2ppm、Fe3+0.08ppm
(2) 300g/L soda ash solutions are configured to freezing analysis mother liquid of sodium, without more than 0.1 μm impurity and glue after secondary filter
Body.
(3) first with pump by soda ash through metered A grooves 4, the steam valve then opened on the pipe heater outside 3 of sinker groove 1 is carried out
Heating, while open A grooves 4, B grooves 6, hopper 8 excessively and stir, then will be uniformly added into A grooves after the metering of concentrated vitriol lithium scavenging solution with pump
4, soda ash excessive 5% in control B grooves 6, when temperature reaches 95-100 DEG C in sinker groove 1, steam valve keeping temperature is adjusted, is stopped
Charging, be incubated 1.8 hours, then again simultaneously plus soda ash liquid and concentrated vitriol lithium scavenging solution, the overflow of sinker mixed liquor to cross hopper
8, then squeeze into centrifuge with punishment in advance pump and separated.The wet lithium carbonate of solid phase stirs twice through deionized water to be washed, dries, crushing, bag
Take on factory (battery-level lithium carbonate quality is shown in Table 1).
(4) sinker mother liquor is after separating：
Li2O 6.5g/L SO4 2-195g/L CO3 2-19g/L pH=9.2
Through plate type heat exchanger and freezing mother liquor countercurrent flow, freezing analysis sodium crystallizer is entered after cooling.
(5) freezing analysis sodium crystallizer controls 0 DEG C, after sal glauberi crystallization, is sent into centrifuge and is separated, solid phase ten
Aqueous sodium persulfate, liquid phase are analysis mother liquid of sodium：
Li2O 7.5g/L SO4 2-33g/L CO3 2-20g/L
(6) analyse mother liquid of sodium to carry out obtaining soda ash liquid with alkali with pure technical grade soda ash, A grooves are then returned to after secondary filter
4 sinkers, superfluous analysis mother liquid of sodium enter A grooves 4, maintenance reaction balance.
Embodiment 4
Continuous sinker groove uses the structure of embodiment 1, in addition：A grooves 4 and the ratio of height to diameter of B grooves 6 are 1.3:1, two groove tops with
Bottom connection is the port 5 in 1/4 groove footpath, and the position of upper port 5 is less than the overfall position of B grooves 6.A grooves 4 and B grooves 6 all stir for individual layer
Oar, propeller are the 2/3 of groove footpath, 60 revs/min of rotating speed.
Went hopper 8 charge tube be arranged on B grooves 6 away from groove top 300mm at, charge tube caliber 300mm.Soda ash liquid pipe 15 exists
Enter liquid level 500mm in A grooves 4,4 uniform.A grooves 4 have φ 500mm steam (vapor) outlets 10 with the top of B grooves 6, cross the ratio of height to diameter of hopper 8
1:1, cross the rotating speed of agitator 60r/min of hopper 8.
A kind of continuous sinker technique of battery-level lithium carbonate, comprises the following steps：
(1) prepared by concentrated vitriol lithium scavenging solution：Li2O 75g/L、Ca2+0.8ppm、Mg2+1.0ppm、Fe3+0.02ppm
(2) 300g/L soda ash solutions are configured to freezing analysis mother liquid of sodium, without more than 0.1 μm impurity and glue after secondary filter
Body.
(3) first with pump by soda ash through metered A grooves 4, the steam valve then opened on the pipe heater outside 3 of sinker groove 1 is carried out
Heating, while open A grooves 4, B grooves 6, hopper 8 excessively and stir, then will be uniformly added into A grooves after the metering of concentrated vitriol lithium scavenging solution with pump
4, soda ash excessive 5% in control B grooves 6, when temperature reaches 95-100 DEG C in sinker groove 1, steam valve keeping temperature is adjusted, is stopped
Charging, be incubated 1.5 hours, then again simultaneously plus soda ash liquid and concentrated vitriol lithium scavenging solution, the overflow of sinker mixed liquor to cross hopper
8, then squeeze into centrifuge with punishment in advance pump and separated.The wet lithium carbonate of solid phase stirs twice through deionized water to be washed, dries, crushing, bag
Take on factory (battery-level lithium carbonate quality is shown in Table 1).
(4) sinker mother liquor is after separating：
Li2O 6.2g/L SO4 2-190g/L CO3 2-17g/L pH=9.0
Through plate type heat exchanger and freezing mother liquor countercurrent flow, freezing analysis sodium crystallizer is entered after cooling.
(5) freezing analysis sodium crystallizer controls 5 DEG C, after sal glauberi crystallization, is sent into centrifuge and is separated, solid phase ten
Aqueous sodium persulfate, liquid phase are analysis mother liquid of sodium：
Li2O 7.2g/L SO4 2-38g/L CO3 2-19g/L
(6) analyse mother liquid of sodium to carry out obtaining soda ash liquid with alkali with pure technical grade soda ash, A grooves are then returned to after secondary filter
4 sinkers, superfluous analysis mother liquid of sodium enter A grooves 4, maintenance reaction balance.
The battery-level lithium carbonate product quality table of table 1
Claims (9)
- A kind of 1. continuous sinker groove, it is characterised in that including the sinker groove connected by charge tube and hopper is crossed, wherein, sinker Groove includes adjacent A grooves and B grooves, is separated between A grooves and B grooves by dividing plate, and two ports, two ports point are provided with dividing plate Not Wei Yu dividing plate upper and lower part, A grooves, B grooves and cross hopper in be both provided with agitator, A groove tops portion is provided with concentrated vitriol Lithium scavenging solution entrance, mother liquid of sodium entrance, pure alkali liquor inlet are inhaled, A groove sidewalls top is provided with steam inlet, and B groove sidewalls bottom is set Condensation-water drain is equipped with, B groove sidewalls top is provided with overfall, and the charge tube being connected with crossing hopper is arranged on overfall, B grooves Top is provided with steam (vapor) outlet；Sinker groove is both provided with heat-insulation layer outside with hopper excessively, is set between sinker groove sidewall and heat-insulation layer There is heating tube.
- A kind of 2. continuous sinker groove according to claim 1, it is characterised in that A groove agitators push away dasher under being, B grooves agitator is crossed under hopper agitator is above to push away dasher and pushes away dasher.
- 3. a kind of continuous sinker groove according to claim 1, it is characterised in that the equipment of all contact mediums is no magnetic Property stainless steel.
- 4. a kind of continuous sinker groove according to claim 1, it is characterised in that pure alkali liquor inlet is located at one end in A grooves It is evenly arranged with the soda ash liquid pipe that 300-500mm below liquid level is stretched into 2-6 roots end；Concentrated vitriol lithium scavenging solution entrance is located at A End in groove is provided with centrifugal energy nozzle.
- 5. a kind of continuous sinker technique of battery-level lithium carbonate, it is characterised in that comprise the following steps：(1) lithium sulfate solution of deep purifying is concentrated to give concentrated vitriol lithium scavenging solution；(2) technical grade soda ash is configured to 295-315g/L soda ash liquid, secondary filter storage with freezing analysis mother liquid of sodium；(3) using the continuous sinker groove described in claim 1, the soda ash liquid that step (2) obtains is passed through A from pure alkali liquor inlet Groove, lead to steam heating, open stirring, then enriching contracting lithium sulfate scavenging solution, adds to B groove overfalls；(4) the lithium carbonate mixed liquor overflow after sinker is squeezed into centrifuge with pump to C grooves and separated, and the wet lithium carbonate after separation enters Enter next procedure stir washing, be dissolved in the Na of water+And SO42-Ion is washed away by hot deionized water, and acquisition meets YS/T582-201X Battery-level lithium carbonate product；Sinker mother liquor after separation goes heat exchange cooling to freeze analysis sodium again；(5) freezing analysis sodium：Sinker mother liquor is subjected to indirect refrigeration crystallization with brine freezing liquid, temperature reaches -3-5 DEG C, with centrifugation Machine is separated, and solid phase is sal glauberi, obtains analysing mother liquid of sodium；(6) mother liquid of sodium is analysed with carrying out matching somebody with somebody alkali, superfluous analysis mother liquid of sodium with pure technical grade soda ash after the heat exchange heating of sinker mother liquor Sinker A grooves are returned to, dilute sulphuric acid lithium scavenging solution concentration, make reaction more homogeneous.
- 6. the continuous sinker technique of a kind of battery-level lithium carbonate according to claim 5, it is characterised in that dense in step (1) Contracting lithium sulfate scavenging solution meets following index：Li2O counts 75 ± 5g/L；Ca2+≤2PPm；Mg2+≤2PPm；PH 11~12； Fe2O3/Li2O≤2×10-4。
- 7. the continuous sinker technique of a kind of battery-level lithium carbonate according to claim 5, it is characterised in that in step (3), add To soda ash liquid during B groove overfalls excessive 4-6%, acted on by heating tube and muff, in groove temperature control at 90-100 DEG C, Reaction time 1.5-2.5h, when agitator is run, 20-50 times of the material of B grooves returns to A grooves.
- A kind of 8. continuous sinker technique of battery-level lithium carbonate according to claim 5, it is characterised in that in step (4), point Sinker mother liquor from after meets Li2O 6.5 ± 0.5g/L, SO4 2-＜ 200g/L, CO3 2-15 ± 2g/L, pH=8-10.
- A kind of 9. continuous sinker technique of battery-level lithium carbonate according to claim 5, it is characterised in that in step (6), analysis Mother liquid of sodium meets Li2O 8±0.5g/L、SO4 2-35±5g/L、CO3 2-18±2g/L。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963512A (en) * | 2019-12-06 | 2020-04-07 | 江西赣锋循环科技有限公司 | Process for preparing battery-grade lithium carbonate by continuously precipitating lithium |
| CN113387376A (en) * | 2021-06-28 | 2021-09-14 | 四川能投鼎盛锂业有限公司 | Process for producing battery-grade lithium carbonate by efficiently and quickly precipitating lithium |
| CN114291831A (en) * | 2021-12-20 | 2022-04-08 | 江西永兴特钢新能源科技有限公司 | Method for producing battery-grade lithium carbonate by continuously precipitating lithium through extracting lithium from lepidolite |
| WO2022161492A1 (en) * | 2021-01-29 | 2022-08-04 | 中国恩菲工程技术有限公司 | Lithium extraction system and lithium extraction method for salt lake brine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160265085A1 (en) * | 2013-10-23 | 2016-09-15 | Nemaska Lithium Inc. | Processes and systems for preparing lithium carbonate |
| CN106379861A (en) * | 2016-08-30 | 2017-02-08 | 汝城县三鑫电化有限公司 | Production device and method of potassium perchlorate |
| CN206167978U (en) * | 2016-10-18 | 2017-05-17 | 阿坝州高远锂电材料有限公司 | Continuous type crystallizer |
| CN206188427U (en) * | 2016-11-21 | 2017-05-24 | 张震霖 | Dense circulatory disorders system of nanometer crystallizing evaporator and reverse osmosis |
| CN107089673A (en) * | 2017-06-09 | 2017-08-25 | 北京矿冶研究总院 | Method for preparing lithium carbonate by two-stage conversion of lithium ore |
-
2017
- 2017-10-13 CN CN201710953038.4A patent/CN107540005B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160265085A1 (en) * | 2013-10-23 | 2016-09-15 | Nemaska Lithium Inc. | Processes and systems for preparing lithium carbonate |
| CN106379861A (en) * | 2016-08-30 | 2017-02-08 | 汝城县三鑫电化有限公司 | Production device and method of potassium perchlorate |
| CN206167978U (en) * | 2016-10-18 | 2017-05-17 | 阿坝州高远锂电材料有限公司 | Continuous type crystallizer |
| CN206188427U (en) * | 2016-11-21 | 2017-05-24 | 张震霖 | Dense circulatory disorders system of nanometer crystallizing evaporator and reverse osmosis |
| CN107089673A (en) * | 2017-06-09 | 2017-08-25 | 北京矿冶研究总院 | Method for preparing lithium carbonate by two-stage conversion of lithium ore |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963512A (en) * | 2019-12-06 | 2020-04-07 | 江西赣锋循环科技有限公司 | Process for preparing battery-grade lithium carbonate by continuously precipitating lithium |
| WO2022161492A1 (en) * | 2021-01-29 | 2022-08-04 | 中国恩菲工程技术有限公司 | Lithium extraction system and lithium extraction method for salt lake brine |
| CN113387376A (en) * | 2021-06-28 | 2021-09-14 | 四川能投鼎盛锂业有限公司 | Process for producing battery-grade lithium carbonate by efficiently and quickly precipitating lithium |
| CN113387376B (en) * | 2021-06-28 | 2023-03-03 | 四川能投鼎盛锂业有限公司 | Process for producing battery-grade lithium carbonate by efficiently and quickly precipitating lithium |
| CN114291831A (en) * | 2021-12-20 | 2022-04-08 | 江西永兴特钢新能源科技有限公司 | Method for producing battery-grade lithium carbonate by continuously precipitating lithium through extracting lithium from lepidolite |
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