CN214436685U - Continuous adsorption and desorption reaction system for industrial lithium extraction - Google Patents
Continuous adsorption and desorption reaction system for industrial lithium extraction Download PDFInfo
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- CN214436685U CN214436685U CN202120171791.XU CN202120171791U CN214436685U CN 214436685 U CN214436685 U CN 214436685U CN 202120171791 U CN202120171791 U CN 202120171791U CN 214436685 U CN214436685 U CN 214436685U
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Abstract
The utility model discloses a continuous adsorption and desorption reaction system for industrial lithium extraction, which belongs to the technical field of industrial lithium extraction and comprises a first reaction kettle and a second reaction kettle, wherein the first reaction kettle and the second reaction kettle are connected through an overflow cylinder; the utility model discloses a setting sets up continuous first reation kettle and second reation kettle in adsorption reaction to set up the auxiliary material pipeline and let in the auxiliary material and keep reaction concentration difference, accelerated the replacement of lithium, realize that the industry carries lithium in succession.
Description
Technical Field
The utility model belongs to the technical field of the lithium is carried in the industry, concretely relates to adsorb analytic reaction system in succession for lithium is carried in industry.
Background
The technology of extracting lithium from salt lake is to extract element lithium from salt lake. The element lithium coexists with sodium and magnesium, the extraction technology difficulty is large, and many countries are engaged in the technical research of extracting lithium from salt lakes. At present, a solvent extraction method and an adsorbent method are mainly applied to the research of extracting lithium from salt lakes. Because the concentration of lithium ions in salt lake brine is generally 50-600mg/L, the adsorbent method is considered as the most promising method for extracting lithium from the salt lake with low lithium concentration.
When the existing industrial adsorbent method is used for extracting lithium from salt lake brine, the lithium in the brine needs to be replaced by the adsorbent to obtain a lithium-containing feed liquid, and then the lithium-containing feed liquid is sequentially subjected to centrifugation, solid-liquid separation, analysis and the like.
However, in the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art: in addition, the problems of difficult granulation and serious reduction of adsorption capacity after granulation of the adsorbent per se cause the obstruction of the continuous lithium extraction process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide an adsorption and desorption reaction system for industrial continuous lithium extraction.
The utility model discloses the technical scheme who adopts does:
the utility model provides a adsorb analytic reaction system in succession for lithium is carried in industry, includes first reation kettle and second reation kettle, first reation kettle and second reation kettle pass through an overflow section of thick bamboo and connect, one side that second reation kettle was kept away from to first reation kettle is provided with charge-in pipeline and auxiliary material pipeline, and first reation kettle's opposite side is provided with the adsorbent pipeline, one side that first reation kettle was kept away from to second reation kettle is provided with the second overflow mouth.
By adopting the above scheme, when the adsorption replacement is needed, the lithium-containing raw material is introduced into the feeding pipeline, the adsorbent is introduced into the adsorbent channel, the auxiliary material pipeline can neutralize with the adsorbent through the auxiliary material, when the lithium of the lithium-containing raw material is replaced by the adsorbent, the ions replaced by the adsorbent particles can neutralize with the auxiliary material, the concentration difference in the first reaction kettle is kept, the replacement process of the lithium is accelerated, and the replacement efficiency of the lithium is improved. The feed liquid generated by the replacement of the first reaction kettle enters the second reaction kettle through the overflow cylinder for secondary reaction and replacement, and the newly obtained feed liquid flows into the next working procedure through the overflow port of the second reaction kettle; when the desorption and replacement are needed, the feed channel receives the feed liquid from the previous process, and the auxiliary material capable of reacting with the adsorbent is introduced into the auxiliary material pipeline to replace the lithium adsorbed in the adsorbent; the utility model discloses a setting sets up continuous first reation kettle and second reation kettle in adsorption reaction to set up the auxiliary material pipeline and let in the auxiliary material and keep reaction concentration difference, accelerated the replacement of lithium, realize that the industry carries lithium in succession.
Preferably, first reation kettle or/and second reation kettle include the cauldron body, the top of cauldron body has set firmly agitator motor, the last rigid coupling of agitator motor has the (mixing) shaft, agitator motor's tip is kept away from to the (mixing) shaft is located the bottom of cauldron body, the inside of cauldron body is provided with the draft tube, the draft tube is located the bottom top of cauldron body, the side of draft tube sets firmly the inner wall at the cauldron body through the support. By adopting the preferred scheme, when adsorption reaction is carried out, the first reaction kettle and the second reaction kettle have the same structure, a stirring motor and a stirring shaft are arranged in the reaction kettles, so that adsorbent particles are uniformly distributed in raw materials, lithium ions in the raw materials are quickly adsorbed in the adsorbent, the outer side of a guide cylinder is carried out from the bottom of a kettle body after replacement to form ascending water flow, the ascending water flow enters the second reaction kettle from an overflow cylinder, feed liquid entering the second reaction kettle is stirred again to form ascending water flow, the feed liquid which is not completely replaced is further replaced again, and the replaced feed liquid flows into the next process from an overflow port of the second reaction kettle; when carrying out analytic reaction, the material that comes from last process gets into first reation kettle to carry out the replacement reaction with the auxiliary material, with adsorption reaction, the corresponding structure of first reation kettle and second reation kettle can accelerate analytic in-process, improves and carries lithium efficiency.
Preferably, a plurality of spoilers are uniformly distributed on the inner wall of the kettle body and are positioned below the overflow cylinder. Adopt this preferred scheme, set up the spoiler for the bottom flow direction overflow mouth from the draft tube is convenient for at the feed liquid of cauldron body, forms the circulation.
Preferably, the top of cauldron body is provided with the well word frame, the middle part of well word frame is provided with load-bearing platform, load-bearing platform sets firmly agitator motor, the tip that agitator motor was kept away from to the (mixing) shaft passes load-bearing platform arrives the bottom of cauldron body. By adopting the preferred scheme, the derrick and the bearing platform are convenient for installing the stirring motor.
Preferably, the stirring shaft is provided with a first stirring blade and a second stirring blade, the first stirring blade is positioned in the guide cylinder, and the second stirring blade is positioned at the bottom of the kettle body. By adopting the preferred scheme, the stirring shaft is provided with the first stirring blade and the second stirring blade which are respectively positioned in the guide cylinder and at the bottom of the guide cylinder, the first stirring blade and the second stirring blade jointly stir to form circulation flow and form ascending water flow, so that greater power is provided for the material liquid, the rolling circulation of the material liquid in the guide cylinder and the kettle body is realized, and the material liquid can conveniently flow into the overflow port or the overflow cylinder from the bottom.
Preferably, the two sides of the kettle body are respectively and fixedly provided with a support lug. By adopting the preferred scheme, the support lugs are fixedly connected with the support frame, so that the reaction kettle is conveniently supported and fixed.
The end of the feeding pipeline, far away from the first reaction kettle, is connected with a raw brine storage tank, the end of the auxiliary material pipeline, far away from the first reaction kettle, is connected with an alkali liquor storage tank, and the end of the adsorbent pipeline, far away from the first reaction kettle, is fixedly connected with a first belt conveyor. By adopting the preferable scheme, when the adsorption reaction is carried out, the original brine, the adsorbent and the alkali liquor enter the first reaction kettle, the lithium ions in the brine are adsorbed into the structure of the adsorbent by stirring, the lithium ions in the brine displace the hydrogen ions in the adsorbent during the adsorption, and the alkali liquor can neutralize the hydrogen ions to accelerate the displacement process.
Preferably, one end, far away from the first reaction kettle, of the auxiliary material pipeline is connected with an acid liquid storage tank, and one end, far away from the first reaction kettle, of the adsorbent pipeline is connected with the second belt conveyor. With this preferred arrangement, dilute sulfuric acid can provide sufficient hydrogen ions to facilitate displacement of lithium ions from the sorbent when the desorption reaction is carried out.
Preferably, the guide shell is located the bottom of cauldron body is provided with the several discharge valve, each discharge valve's bottom is through waste material pipeline and accident groove intercommunication. Adopt this preferred scheme, set up the discharge valve at the bottom of reation kettle, when taking place to block up in the reation kettle, trouble and shut down, open the discharge valve and carry out the blowdown.
Preferably, the material of the kettle body is carbon steel. By adopting the optimized scheme, the reaction kettle body adopts a common carbon steel tank for corrosion prevention treatment.
The utility model has the advantages that:
1. the utility model discloses when carrying out adsorption reaction, let in including the lithium raw materials in the charge-in pipeline, let in the adsorbent passageway, the auxiliary material pipeline through can with the adsorbent in the auxiliary material of neutralization, when the adsorbent replaces out including the lithium of lithium raw materials, the ion that the adsorbent granule was replaced can with the auxiliary material in with, keeps the concentration difference in the reation kettle for the replacement process of lithium improves the replacement efficiency of lithium. The feed liquid generated by the replacement of the first reaction kettle enters the second reaction kettle through the overflow cylinder for secondary reaction and replacement, and the newly obtained feed liquid flows into the next working procedure through the overflow port of the second reaction kettle; when the desorption and replacement are needed, the feed channel receives the feed liquid from the previous process, and the auxiliary material capable of reacting with the adsorbent is introduced into the auxiliary material pipeline to replace the lithium adsorbed in the adsorbent; the utility model discloses a setting sets up continuous first reation kettle and second reation kettle in adsorption reaction to set up the auxiliary material pipeline and let in the auxiliary material and keep reaction concentration difference, accelerated the replacement of lithium, realize that the industry carries lithium in succession.
2. The utility model discloses carry out the adsorption reaction, first reation kettle and second reation kettle's structure is the same, set up agitator motor and (mixing) shaft in the reation kettle, make adsorbent granule equipartition disperse in the raw materials, make the lithium ion in the raw materials quick adsorb in the adsorbent, the bottom from the cauldron body that the replacement obtained carries out the draft tube outside, form ascending rivers, get into the second reation kettle from the overflow section of thick bamboo, the feed liquid that gets into in the second reation kettle stirs once more, form ascending rivers, further replace once more the complete feed liquid of replacement, the feed liquid that the replacement was accomplished flows into next process from the overflow mouth of second reation kettle; when carrying out analytic reaction, the material that comes from last process gets into first reation kettle to carry out the replacement reaction with the auxiliary material, with adsorption reaction, the corresponding structure of first reation kettle and second reation kettle can accelerate analytic in-process, improves and carries lithium efficiency.
3. The utility model is provided with the spoiler, so that the feed liquid in the kettle body can flow from the bottom of the guide cylinder to the overflow port conveniently to form circulation; the well-shaped frame and the bearing platform are convenient for installing the stirring motor; the stirring shaft is provided with a first stirring blade and a second stirring blade which are respectively positioned in the guide cylinder and at the bottom of the guide cylinder, the first stirring blade and the second stirring blade jointly stir to form circulation to form ascending water flow, so that greater power is provided for the material liquid, the rolling circulation of the material liquid in the guide cylinder and the kettle body is realized, and the material liquid can conveniently flow into the overflow port or the overflow cylinder from the bottom. The support lug is fixedly connected with the support frame, so that the reaction kettle is conveniently supported and fixed.
4. When the utility model is used for adsorption reaction, raw brine, an adsorbent and alkali liquor enter the first reaction kettle, lithium ions in the brine are adsorbed into the structure of the adsorbent by stirring, and when the lithium ions in the brine are adsorbed, hydrogen ions in the adsorbent are replaced by the lithium ions in the brine, and the alkali liquor can neutralize the hydrogen ions to accelerate the replacement process; when the desorption reaction is carried out, the dilute sulfuric acid can provide enough hydrogen ions to replace lithium ions in the adsorbent. A discharge valve is arranged at the bottom of the reaction kettle, and when the reaction kettle is blocked, broken down and shut down, the discharge valve is opened to discharge materials; the reaction kettle body adopts a common carbon steel tank for antiseptic treatment.
Drawings
FIG. 1 is a schematic view of the structure of the present invention during adsorption reaction.
Fig. 2 is a schematic structural diagram of the first reaction kettle or the second reaction kettle of the present invention.
Fig. 3 is a schematic structural diagram of the derrick of the present invention.
In the figure: 1-a first reaction kettle; 2-a second reaction kettle; 3-a feed conduit; 4-auxiliary material pipeline; 5-an adsorbent conduit; 6-a second overflow port; 7-a guide shell; 8-a scaffold; 9-a spoiler; 10-an overflow cylinder; 11-a first stirring blade; 12-a second stirring blade; 13-an alkali liquor storage tank; 14-a first belt conveyor; 15-original halogen storage tank.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.
The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.
Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.
The first embodiment is as follows:
the utility model provides a adsorb analytic reaction system in succession for lithium is carried in industry, includes first reation kettle 1 and second reation kettle 2, first reation kettle 1 and second reation kettle 2 are connected through overflow section of thick bamboo 10, one side that second reation kettle 2 was kept away from to first reation kettle 1 is provided with charge-in pipeline 3 and auxiliary material pipeline 4, and first reation kettle 1's opposite side is provided with adsorbent pipeline 5, one side that first reation kettle 1 was kept away from to second reation kettle 2 is provided with second overflow mouth 6.
The inner wall equipartition of cauldron body is provided with several spoiler 9, spoiler 9 is located the below of overflow section of thick bamboo 10.
The stirring shaft is provided with a first stirring blade 11 and a second stirring blade 12, the first stirring blade 11 is positioned in the guide shell 7, and the second stirring blade 12 is positioned at the bottom of the kettle body.
The end of the feed pipeline 3 far away from the first reaction kettle 1 is connected with a raw brine storage tank 15, the end of the auxiliary material pipeline 4 far away from the first reaction kettle 1 is connected with an alkali liquor storage tank 13, and the end of the adsorbent pipeline 5 far away from the first reaction kettle 1 is fixedly connected with a first belt conveyor 14.
In the first embodiment, the present invention can be used for extracting lithium adsorption section and lithium desorption section, when the present invention is used for extracting lithium adsorption section, as shown in fig. 1-2, raw brine, adsorbent and alkali liquor are introduced into the first reaction vessel 1, raw brine and adsorbent enter the first reaction vessel 1, the adsorption particles are uniformly mixed with raw brine through the stirring of the first stirring blade 11 and the second stirring blade 12, lithium ions in brine are adsorbed into the structure of adsorbent, the stirring liquid forms downward pressing water flow, the liquid enters the outer side of the draft tube 7 from the bottom of the first reaction vessel 1, under the action of the spoiler 9, the liquid leaves from the overflow tube 10 on the right side of the first reaction vessel 1 and enters the second reaction vessel 2, the liquid entering the second reaction vessel 2 again performs the same operation, the liquid enters the belt filter through the overflow port 6 after being treated by the second reaction vessel 2, after filtering, conveying the mixture by a belt conveyor to perform an analytic reaction; in the adsorption process of the adsorbent, hydrogen ions are in the crystal lattices of the adsorbent particles, and the hydrogen ions displaced by the hydroxide ions in the alkali liquor are neutralized, so that a certain concentration difference is always kept in the stirring liquid, and the stable concentration difference is easy for the lithium ions to be adsorbed in the adsorbent, thereby promoting the displacement process.
The following examples are all preferably obtained on the basis of example one.
Example two:
the auxiliary material pipeline 4 is kept away from the one end of first reation kettle 1 and is connected with the acidizing fluid storage tank, the one end that first reation kettle 1 was kept away from to feed pipeline 3 is connected with second belt conveyor.
The difference between the second embodiment and the first embodiment is that the second embodiment is used for analytical reaction, and the difference between the adsorption reaction and the analytical reaction is that the feeding channel 3 in the first reaction vessel 1 in the adsorption reaction is connected with the raw brine storage tank 15, the auxiliary material channel 4 is connected with the alkali liquor storage tank 13, the adsorbent is connected with the adsorbent channel 5, the feeding channel 3 in the first reaction vessel 1 in the analytical reaction is connected with the second belt conveyor, the second belt conveyor receives the feed liquid overflowing from the second reaction vessel 2 in the adsorption reaction, the feed liquid is filtered by the belt filter and then conveyed into the first reaction vessel 1 in the analytical reaction by the second belt conveyor, and the auxiliary material channel 4 in the first reaction vessel 1 in the analytical reaction is connected with the acid liquor storage tank.
Example three:
the top of cauldron body is provided with the well cabinet frame, the middle part of well cabinet frame is provided with load-bearing platform, load-bearing platform sets firmly agitator motor, agitator motor is kept away from to the (mixing) shaft tip passes load-bearing platform reachs the bottom of cauldron body.
The two sides of the kettle body are respectively and fixedly provided with a support lug.
In the third embodiment, as shown in fig. 3, a structure of a bearing platform and a derrick is shown in order to install a stirring motor and a stirring shaft; the two sides of the kettle body are provided with support lugs for fixedly connecting the support frames.
Example four:
the draft tube 7 is positioned at the bottom of the kettle body and is provided with a plurality of discharge valves, and the bottom of each discharge valve is communicated with the accident groove through a waste material pipeline.
The material of cauldron body is carbon steel.
In above-mentioned embodiment four, the bottom of each cauldron body is provided with two discharge valve, and discharge valve passes through waste material pipeline and accident groove intercommunication, and discharge valve closes usually, opens when shutting down or breaking down, discharges the accident groove with the thick liquids.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. A continuous adsorption desorption reaction system for industrial lithium extraction is characterized in that: including first reation kettle (1) and second reation kettle (2), first reation kettle (1) and second reation kettle (2) are connected through overflow section of thick bamboo (10), one side that second reation kettle (2) were kept away from in first reation kettle (1) is provided with charge-in pipeline (3) and auxiliary material pipeline (4), and the opposite side of first reation kettle (1) is provided with adsorbent pipeline (5), one side that first reation kettle (1) was kept away from in second reation kettle (2) is provided with second overflow mouth (6).
2. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 1, characterized in that: first reation kettle (1) or second reation kettle (2) include the cauldron body, the top of cauldron body has set firmly agitator motor, the last rigid coupling of agitator motor has the (mixing) shaft, agitator motor's tip is kept away from to the (mixing) shaft is located the bottom of cauldron body, the inside of cauldron body is provided with draft tube (7), draft tube (7) are located the bottom top of cauldron body, the side of draft tube (7) sets firmly the inner wall at the cauldron body through support (8).
3. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the inner wall equipartition of cauldron body is provided with several spoiler (9), spoiler (9) are located the below of overflow section of thick bamboo (10).
4. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the top of cauldron body is provided with the well cabinet frame, the middle part of well cabinet frame is provided with load-bearing platform, load-bearing platform sets firmly agitator motor, agitator motor is kept away from to the (mixing) shaft tip passes load-bearing platform reachs the bottom of cauldron body.
5. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the stirring shaft is provided with a first stirring blade (11) and a second stirring blade (12), the first stirring blade (11) is positioned in the guide shell (7), and the second stirring blade (12) is positioned at the bottom of the kettle body.
6. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the two sides of the kettle body are respectively and fixedly provided with a support lug.
7. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 1, characterized in that: one end of the feeding pipeline (3) far away from the first reaction kettle (1) is connected with a raw brine storage tank (15), one end of the auxiliary material pipeline (4) far away from the first reaction kettle (1) is connected with an alkali liquor storage tank (13), and one end of the adsorbent pipeline (5) far away from the first reaction kettle (1) is fixedly connected with a first belt conveyor (14).
8. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 1, characterized in that: the auxiliary material pipeline (4) is connected with an acid liquor storage tank at the end far away from the first reaction kettle (1), and the feeding pipeline (3) is connected with a second belt conveyor at the end far away from the first reaction kettle (1).
9. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the guide cylinder (7) is positioned at the bottom of the kettle body and is provided with a plurality of discharge valves, and the bottom of each discharge valve is communicated with the accident groove through a waste material pipeline.
10. The continuous adsorption-desorption reaction system for industrial lithium extraction according to claim 2, characterized in that: the material of cauldron body is carbon steel.
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| CN202120171791.XU CN214436685U (en) | 2021-01-21 | 2021-01-21 | Continuous adsorption and desorption reaction system for industrial lithium extraction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138317A (en) * | 2022-07-13 | 2022-10-04 | 新余赣锋锂业有限公司 | Production device and method for preparing neutral large-granularity battery-grade lithium fluoride by continuously precipitating lithium |
| CN115261063A (en) * | 2022-08-07 | 2022-11-01 | 南京南化建设有限公司 | Adsorption separation device for aromatic hydrocarbon combination device |
| CN115433839A (en) * | 2022-10-12 | 2022-12-06 | 广东邦普循环科技有限公司 | Lithium extraction device capable of automatically running in salt lake |
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2021
- 2021-01-21 CN CN202120171791.XU patent/CN214436685U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138317A (en) * | 2022-07-13 | 2022-10-04 | 新余赣锋锂业有限公司 | Production device and method for preparing neutral large-granularity battery-grade lithium fluoride by continuously precipitating lithium |
| CN115261063A (en) * | 2022-08-07 | 2022-11-01 | 南京南化建设有限公司 | Adsorption separation device for aromatic hydrocarbon combination device |
| CN115433839A (en) * | 2022-10-12 | 2022-12-06 | 广东邦普循环科技有限公司 | Lithium extraction device capable of automatically running in salt lake |
| CN115433839B (en) * | 2022-10-12 | 2023-11-03 | 广东邦普循环科技有限公司 | Lithium extraction device for self-running salt lake |
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