CN205773394U - High-temperature steam is utilized quickly to prepare the system of lithium carbonate or concentrated brine - Google Patents
High-temperature steam is utilized quickly to prepare the system of lithium carbonate or concentrated brine Download PDFInfo
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- CN205773394U CN205773394U CN201620500264.8U CN201620500264U CN205773394U CN 205773394 U CN205773394 U CN 205773394U CN 201620500264 U CN201620500264 U CN 201620500264U CN 205773394 U CN205773394 U CN 205773394U
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- steam
- salt
- reactor
- lithium carbonate
- lithium
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses the system utilizing high-temperature steam quickly to prepare lithium carbonate or concentrated brine, including reactor, reactor is provided with salt import, is arranged over steam outlet, and lower section is provided with discharging opening, being provided with downward opening many steam pipes in reactor, steam outlet is connected with condenser.This utility model uses steam to heat salt, has firing rate fast, and the advantage of homogeneous heating advantageously reduces the complexity of equipment, it is to avoid excessive temperature differentials causes the caking of salt.Steam is while heating, it is also possible to play the effect of stirring salt, advantageously reduces the setting of agitating device in equipment.By steam is condensed by heat exchanger, the automatic sucking-off of steam that can will produce, decrease the setting of vacuum pump, advantageously reduce the complexity of equipment.The heat of steam condensation release is recycled as far as possible, both may be used for the preheating of salt, it is also possible to be used for preheating other media, and energy utilization rate is high.
Description
Technical field
This utility model relates to a kind of system quickly preparing lithium carbonate or concentrated brine, is particularly suitable for highlands
The system quickly preparing carbonic acid or concentrated brine.
Background technology
Lithium is the metallic element that atomic weight is minimum, have that current potential is the most negative, electrochemical equivalent is maximum, high specific heat, high conductivity and
The properties such as chemism is strong, are the ideals manufacturing disposable battery, charging dynamics battery, aerospace structural material etc.
Metal material.Requirement new forms of energy being substituted tradition Ore source (oil, coal, shale gas etc.) along with the whole world is more and more urgent,
Lithium battery act as generation of electricity by new energy, power transmission and transformation, the hinge of storage electricity and core roles.The confession of whole world lithium raw material-lithium carbonate simultaneously
Should not ask, cause lithium carbonate in 2015 short 1 year, transaction value has been increased to RMB 160,000 by RMB 40,000 yuan
Unit.
Lithium resource is typical oligopoly strategic resources, and the overwhelming majority is distributed in Chile, China, the U.S., Argentina
With Bolivia, China has verified lithium resource reserves and has occupied the whole world second.Lithium is in nature is primarily present in salt lake bittern, few
Amount is present in spodumene and lepidolite.The saline lake lithium resource reserves of China account for more than the 85% of Chinese industrial reserves.
In various tradition salt lakes put forward the method for lithium, owing to magnesium elements and the elemental lithium of universal symbiosis are positioned at the periodic table of elements
Diagonal angle, has the most close physics and chemical characteristic, and the separation of magnesium lithium is the various core difficult points putting forward lithium technique.Tradition magnesium lithium
In the method separated, ionic adsorption method requires height, pelletize difficulty to adsorbent, and permeance property is poor, in absorption and the process of desorption
In, adsorbent is prone to loss, and the waste of lithium is more than 50%；Calcination method is high because of running temperature, and energy consumption is high, and caking is serious, and equipment is rotten
Erosion is serious；The extraction of extraction and anti-extraction process long flow path, reagent consumption amount is big, and toxicity is big, unfriendly to environment；Therefore,
Although China sits and gathers around advantage saline lake lithium resource, but the industrialization salt lake of maturation puies forward lithium technology still in small-scale scope or stagnation
State, in this context, the vertical industry chain of lithium is seriously restricted, New Energy Industry such as battery, the automobile etc. of China, must not
It is not forced to bear raw material to increase crazily bitterly.
Traditional method of lithium salts of extracting from salt lake is based on the method for evaporating brine, and this method extremely relies on weather, crystallizing cycle
Long, grade is the highest and unstable, it is impossible to meet the needs of industrialized production.
Summary of the invention
The purpose of this utility model be to provide a kind of utilize that high-temperature steam quickly prepares lithium carbonate or concentrated brine be
System.
Technical solution adopted in the utility model is:
Utilizing high-temperature steam quickly to prepare the system of lithium carbonate or concentrated brine, including reactor, reactor is provided with salt
Import, being arranged over steam outlet, lower section is provided with discharging opening, is provided with downward opening many steam pipes, steam in reactor
Outlet is connected with condenser.
As the further improvement of said system, the port of export of steam pipe tilts arrangement.Further the going out of steam pipe
Mouth end tilts to be arranged into ring-type.
As the further improvement of said system, steam pipe is provided with the device for preventing suck-back.Further, prevent
The device of suck-back is check valve.
As the further improvement of said system, below steam outlet, it is provided with guard.
As the further improvement of said system, condenser is provided with condensate collector.
As the further improvement of said system, condensate collector is provided with and is connected to the pipeline of irrigator in reactor.
As the further improvement of said system, the pipeline between condensate collector and irrigator is provided with heater.
As the further improvement of said system, condenser is externally provided with the chuck accommodating cooling medium.Condenser external
Cooling medium is salt.
The beneficial effects of the utility model are:
This utility model system uses steam to heat salt, has firing rate fast, and the advantage of homogeneous heating has
It is beneficial to the setting of the heaters such as the chuck in minimizing equipment or heat exchanger tube, it is to avoid excessive temperature differentials causes the caking of salt.Steam exists
While heating, it is also possible to play the effect of stirring salt, advantageously reduce the setting of agitating device in equipment.By steaming
Vapour is condensed by heat exchanger, the automatic sucking-off of steam that can will produce, and decreases the setting of vacuum pump, advantageously reduces equipment
Complexity.The heat of steam condensation release is recycled as far as possible, both may be used for the preheating of salt, it is also possible to be used for
Preheating other media, energy utilization rate is high.The concentration of salt and crystallization of lithium carbonate both can be carried out at different reactors, it is possible to
To carry out in same reactor, flexible and convenient to use.
This utility model system, when concentrated brine, has concentration speed fast, and the feature that concentrated effect is good can meet
Demand to concentrated brine when batch produces continuously.
This utility model system, for time prepared by lithium carbonate, can quickly add hot brine, makes while evaporating a large amount of water
Salt acutely seethes with excitement, and after the steam of generation is condensed by condenser, volume reduces rapidly so that steam can quickly be drawn out of.?
During this, the amount of precipitation of lithium carbonate far surpasses the evaporation capacity of salt, and excess separates out unexpectedly.Meanwhile, the introducing of steam
Salt is served certain stirring action, the parts of reactor can be simplified further, be conducive to saving equipment investment.
System of the present utility model, simple in construction, steam row certainly can be realized to a certain extent, be simultaneously achieved salt
Oneself's stirring, effectively prevent on reactor inwall formation salt crust, extend the service life of equipment, concurrently facilitate and subtract
Few energy consumption, is particularly well-suited to highlands.
This utility model system both may be used for the concentration of salt, may be used for again the preparation of lithium carbonate, can be easily
Adjust its purposes as required, meet the needs of different working condition.
This utility model system, while preparing lithium carbonate or concentrated brine, can be the suitableeest with the substantial amounts of fresh water of by-product
The highlands lacked for fresh water.Salt, while cooling water vapour, can be preheated, substantially increase heat energy by condenser
Utilization rate, decrease hot driving, be conducive to maintain Salt Lake Area ecology.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model system.
Detailed description of the invention
Below in conjunction with the accompanying drawings, system of the present utility model is further illustrated.With reference to Fig. 1, high-temperature steam is utilized quickly to prepare
Lithium carbonate or the system of concentrated brine, including reactor 1, reactor 1 is provided with salt import 11, is arranged over steam outlet
13, lower section is provided with discharging opening 12, is provided with downward opening many steam pipes 14, steam outlet 13 and condenser 2 in reactor 1
It is connected.
As the further improvement of said system, the port of export of steam pipe tilts arrangement；Further the going out of steam pipe
Mouth end tilts to be arranged into ring-type.So, being passed through steam when, just can preferably drive salt, play and preferably stir work
With.
As the further improvement of said system, steam pipe is provided with the device for preventing suck-back.Further, prevent
The device of suck-back is check valve.So can be prevented effectively from salt suck-back, further increase the safety of equipment.
As the further improvement of said system, below steam outlet 13, it is provided with guard 15.The effect of guard is to prevent
The bubble only produced in still is directly entered steam outlet, helps to maintain pipeline unimpeded, improves the stability produced.
As the further improvement of said system, condenser 2 is provided with condensate collector 21.So can be effectively by cold
Condensed water collection is got up, and condensed water can be utilized further, greatly reduces the consumption of fresh water.
As the further improvement of said system, condensate collector 21 is provided with and is connected to irrigator 22 in reactor 1
Pipeline, the pipeline between condensate collector and irrigator is provided with heater.So can easily condensed water be reheated,
Reactor is rinsed.
As the further improvement of said system, condenser is externally provided with the chuck accommodating cooling medium.Condenser external
Cooling medium is salt.The salt water temperature of highlands is usually no more than 10 DEG C, and cooling effect is splendid.Salt is temperature after heat absorption
Degree rises, and decreases the energy consumption of pre-hot brine.The cooling medium of condenser external is not limited to salt, it is also possible to as required
It is adjusted correspondingly, as used fresh water also possible as cooling medium.
The method utilizing high-temperature steam quickly to prepare lithium carbonate or concentrated brine, comprises the steps:
1) salt is introduced in reactor；
2) high-temperature steam of more than 200 DEG C is introduced in salt, salt is heated, the steam that simultaneously will produce in still
Discharge；
3) steam of discharge cooled down by condenser and collect condensed water therein；
4) after salt is concentrated into predetermined value or separates out enough lithium carbonate, stop being passed through high-temperature steam.
Too much water is introduced during for avoiding and using steam heating low temperature salt, as the further improvement of said method, will
Salt is preheated to be not less than 50 DEG C and introduces high-temperature steam again in salt.The temperature of salt preheating is the highest, makes salt boiling required
The high-temperature steam wanted is the fewest, salt can be made quickly acutely to seethe with excitement.
When preparing lithium carbonate, for ensureing that lithium carbonate can faster separate out during heating, lithium ion in salt
The higher ratio of content is advantageous.As the further improvement of said method, in salt, the content of lithium ion is not less than 2g/L, this
The cost of sample entirety is both economical.When concentrating for salt, the content of lithium ion in salt is contained without particular/special requirement, lithium ion
Amount reaches 0.1 g/L and i.e. can be concentrated.
High-temperature steam, including saturated high-temperature steam and superheated steam.The temperature of steam is the highest, it is possible to can introduce less to the greatest extent
As much as possible while water making salt explosive evaporation, as the further improvement of said method, the temperature of high-temperature steam is the lowest
In 250 DEG C.In view of the washability of economy, safety and material, under prior art, the temperature of steam is at 250 DEG C～350 DEG C
Between be preferably to select.
As the further improvement of said method, when preparing lithium carbonate, after stopping being passed through high-temperature steam, continue insulation at least
1 hour.Insulation can make lithium carbonate precipitate fully, makes impurity salt therein back dissolving as much as possible simultaneously, reduces finished product
The content of middle impurity.
Below in conjunction with embodiment, further illustrate technical solutions of the utility model.
Following example and comparative example are all carried out in low altitude area, and the boiling point of local water is about 100 DEG C.
Embodiment 1:
1) by 3082 L(3822 Kg) salt A pump in reactor, salt is preheated to 80 DEG C, salt A is rich in carbonic acid
Root, lithium concentration is 1.82g/L；
2) pumping in reactor salt by the superheated steam of more than 250 DEG C, the steam of generation condenses nature by condenser
Discharge, after 19 min, stably show 3481Kg to salt weight；
3) salt is returned to initial temperature, discharge supernatant, crystallization of lithium carbonate is transferred to lower reactor and with condense pure
Water purification is cleaned, and obtains the white aqueous carbonic acid lithium in ice-cream like；
4) being dried by above-mentioned aqueous carbonic acid lithium, obtain lithium carbonate solid 24.89Kg, grade reaches 95.2%, and lithium eduction rate reaches
To 79.4%.
Comparative example 1:
With embodiment 1, difference is to use the mode of chuck heating, is incubated in 90 DEG C, and the most about 30 hours by halogen
Water evaporation 340kg in water, is collected by filtration crystallization of lithium carbonate therein afterwards.Finally give lithium carbonate solid 5.48Kg, grade
Being 81.9%, lithium eduction rate reaches 15.0%.
Embodiment 2:
1) by 2216L(2592Kg) salt B pump in reactor, salt is preheated to 80 DEG C, salt B rich in carbonate,
Lithium concentration is 2.55g/L；
2) superheated steam of more than 250 DEG C is pumped in reactor salt, after 15 min, stably show to salt weight
Show 2343Kg；
3) salt is returned to initial temperature, discharge supernatant, crystallization of lithium carbonate is transferred to lower reactor and with condense pure
Water purification is cleaned, and obtains the white aqueous carbonic acid lithium in ice-cream like；
4) being dried by above-mentioned aqueous carbonic acid lithium, obtain lithium carbonate solid 27.41 kg, grade reaches 99.47%, lithium eduction rate
Reach 90.7%.
Comparative example 2:
With embodiment 2, difference is to use the mode of chuck heating, is incubated in 90 DEG C, and the most about 30 hours by halogen
Water evaporation 250kg in water, is collected by filtration crystallization of lithium carbonate therein afterwards.Finally give lithium carbonate solid 5.79Kg, grade
Being 86.7%, lithium eduction rate reaches 16.7%.
Salt is made acutely to boil by the result of comparative example and comparative example it can be clearly seen that be passed through high-temperature steam
Rising, can significantly improve the amount of precipitation of lithium carbonate, its amount of precipitation is far above conventional heating mode, has unexpected effect.
Use superheated steam that salt is heated, the eduction rate of lithium in salt can be improved further, simultaneously can also
Obtain the higher crystallization of lithium carbonate of purity.Therefore, during adding hot brine, high-temperature steam is preferably used superheated steam.
The height above sea level of Salt Lake Area, the boiling point of water is lower, typically will seethe with excitement between 75～80 DEG C, therefore, on plateau
Area can evaporate substantial amounts of water in the case of energy consumption is greatly decreased, it is thus achieved that more preferably result.
Claims (10)
1. utilizing high-temperature steam quickly to prepare the system of lithium carbonate or concentrated brine, including reactor, reactor is provided with salt and enters
Mouthful, be arranged over steam outlet, lower section is provided with discharging opening, it is characterised in that: be provided with downward opening many steamings in reactor
Steam pipe, steam outlet is connected with condenser.
System the most according to claim 1, it is characterised in that: the port of export of steam pipe tilts arrangement.
System the most according to claim 1, it is characterised in that: condenser is provided with condensate collector.
System the most according to claim 1, it is characterised in that: condensate collector is provided with and is connected to irrigator in reactor
Pipeline.
System the most according to claim 4, it is characterised in that: the pipeline between condensate collector and irrigator is provided with
Heater.
System the most according to claim 2, it is characterised in that: the port of export of steam pipe tilts to be arranged into ring-type.
7. according to the system described in claim 1,2 or 6, it is characterised in that: steam pipe is provided with the device for preventing suck-back.
System the most according to claim 7, it is characterised in that: the device preventing suck-back is check valve.
System the most according to claim 1, it is characterised in that: it is provided with guard below steam outlet.
System the most according to claim 1, it is characterised in that: reactor is provided with heating jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500264.8U CN205773394U (en) | 2016-05-26 | 2016-05-26 | High-temperature steam is utilized quickly to prepare the system of lithium carbonate or concentrated brine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500264.8U CN205773394U (en) | 2016-05-26 | 2016-05-26 | High-temperature steam is utilized quickly to prepare the system of lithium carbonate or concentrated brine |
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| Publication Number | Publication Date |
|---|---|
| CN205773394U true CN205773394U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620500264.8U Withdrawn - After Issue CN205773394U (en) | 2016-05-26 | 2016-05-26 | High-temperature steam is utilized quickly to prepare the system of lithium carbonate or concentrated brine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836768A (en) * | 2016-05-26 | 2016-08-10 | 广州市睿石天琪能源技术有限公司 | Method and system for preparing lithium carbonate or concentrated brine rapidly by high-temperature steam |
| CN116370978A (en) * | 2022-12-21 | 2023-07-04 | 江苏德邦兴华化工科技有限公司 | Separation equipment of sodium carbonate |
-
2016
- 2016-05-26 CN CN201620500264.8U patent/CN205773394U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836768A (en) * | 2016-05-26 | 2016-08-10 | 广州市睿石天琪能源技术有限公司 | Method and system for preparing lithium carbonate or concentrated brine rapidly by high-temperature steam |
| WO2017202236A1 (en) * | 2016-05-26 | 2017-11-30 | 广州市睿石天琪能源技术有限公司 | Method and system for rapidly preparing lithium carbonate or concentrated brine by using high-temperature steam |
| US10981798B2 (en) * | 2016-05-26 | 2021-04-20 | Guangzhou Ruishi Tianqi Energy Technology Co., Ltd. | Method and system for rapidly preparing lithium carbonate or concentrated brine using high-temperature steam |
| CN116370978A (en) * | 2022-12-21 | 2023-07-04 | 江苏德邦兴华化工科技有限公司 | Separation equipment of sodium carbonate |
| CN116370978B (en) * | 2022-12-21 | 2023-09-29 | 江苏德邦兴华化工科技有限公司 | Separation equipment of sodium carbonate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20171212 |
|
| AV01 | Patent right actively abandoned |