CN215560564U

CN215560564U - Copper lithium extraction residual liquid recovery unit

Info

Publication number: CN215560564U
Application number: CN202121824287.1U
Authority: CN
Inventors: 葛志强; 张琦; 陈百盈
Original assignee: Shenzhen Zhongyi Yuancheng Environmental Protection Technology Co ltd
Current assignee: Shenzhen Zhongyi Yuancheng Environmental Protection Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-18
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a copper-lithium extraction residual liquid recovery device, which comprises: the top of the mixing tank is provided with a cover plate, and the outer side of the mixing tank is provided with a plurality of support legs supported on the ground; the stirring mechanism is arranged at the top of the cover plate and is used for stirring and mixing the extracting agent and the solution; the extraction mechanism is arranged in the mixing tank and extracts the extracting agent extracted in the mixing tank from the top of the solution, AcorgaM5640 is added into the solution and then stirred, so that the time for replacing copper ions after the AcorgaM5640 is mixed with the solution is reduced, the operation is convenient, and the precipitate formed after the Na2CO3 is added is directly extracted by the extraction mechanism and directly operated from the bottom of the solution, so that the recovery of lithium ions is convenient.

Description

Copper lithium extraction residual liquid recovery unit

Technical Field

The utility model relates to the technical field of waste liquid metal ion recovery, in particular to a copper-lithium extraction raffinate recovery device.

Background

With the rapid development of electric automobiles and large-scale energy storage markets, the output of lithium ion power batteries is rapidly increased, the quantity of the generated waste lithium ion power batteries is increased, and the waste lithium ion power batteries contain a large amount of scarce nonferrous metal elements such as cobalt, lithium, nickel, manganese, copper, aluminum and the like and toxic and harmful substances such as lithium hexafluorophosphate, polyvinylidene fluoride and the like, so that the method has great significance in resource recovery and harmless treatment.

When the metal ions in the waste lithium battery are recovered, a method for recovering the heavy metal ions in the leachate in a grading manner is usually adopted for recovering the heavy metal ions rich in Co2+, Cu2+, Li + and Al3+, the pH is adjusted by using H2SO and NaOH, and when the pH is 1.5-2.0, Cu2+ is extracted by using Acorga M5640; adjusting the pH value to 2.5-3.0, and extracting Al3+ by using PC 88A; adjusting the pH value to be 5.5-6.0, adopting PC88A and TOA to synergistically extract Co2+, and finally adding Na2CO3 to precipitate Li + in the solution. The recovery rate of various heavy metal ions is more than 98%.

In the recovery of the copper-lithium raffinate, Acorga M5640 is added into a copper-lithium ion solution, then the solution is stirred to replace copper ions into Acorga M5640, then the Acorga M5640 is separated from the solution, Na2CO3 solution is added, finally the solution is stirred to form Li2CO3 precipitate, finally the precipitate is separated from the solution, so that the copper ions and the lithium ions are separated and recovered, however, when the Acorga M5640 is separated from the solution, the Acorga M5640 needs to be gradually extracted from the upper layer of the solution, the extraction needs to be careful, the solution is prevented from being extracted along with the Acorga M5640, the operation is troublesome, the precipitate formed after the Na2CO3 is added needs to be poured out of a reaction cylinder, a filter screen is used for separation, the precipitation separation process is complicated, and therefore, a copper-lithium raffinate recovery device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for recovering copper-lithium extraction raffinate, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a copper-lithium raffinate recovery device comprises:

the top of the mixing tank is provided with a cover plate, and the outer side of the mixing tank is provided with a plurality of support legs supported on the ground;

the stirring mechanism is arranged at the top of the cover plate and is used for stirring and mixing the extracting agent and the solution;

and the extracting mechanism is arranged in the mixing tank and is used for extracting the extractant extracted in the mixing tank from the top of the solution.

Preferably, the mixing tank is connected with the cover plate through a rotating shaft, a first connecting plate is arranged on one side of the mixing tank, a second connecting plate is arranged at the top of the cover plate, which is located on the first connecting plate, and the first connecting plate and the second connecting plate are locked through bolts.

Preferably, rabbling mechanism is including installing the motor at the apron top, the output shaft of motor runs through the apron and extends to inside the apron, be equipped with a plurality of gears that are central symmetric distribution in the apron, the mixing tank is inside to be equipped with the ring gear of gear looks adaptation, it is a plurality of be connected through the link between gear and the motor output shaft, every the bottom of gear all is equipped with the (mixing) shaft that can mix extraction liquid and solution stirring, the outside of (mixing) shaft is equipped with the stirring leaf that promotes solution and extraction liquid and flow.

Preferably, a limiting plate capable of being supported at the top of the connecting frame is arranged at the top of the stirring shaft, and the limiting plate is fixedly connected with the stirring shaft.

Preferably, the bottom of the gear ring is provided with a limit ring fixedly connected with the cover plate, and the gear is supported by the limit ring.

Preferably, the withdrawing mechanism is including installing the track at the blending tank inner wall, orbital inside is equipped with can be on the track gliding slider, one side of slider is equipped with the kickboard that can float above the solution liquid level, the top that the slider is located the kickboard is equipped with solid fixed ring, the outside of blending tank is equipped with the holding ring, be equipped with the hose of being connected with solid fixed ring in the holding ring.

Preferably, the bottom of blending tank is equipped with will deposit and take out from the mechanism from taking out of the blending tank, take out from the mechanism including installing the connecting pipe in the blending tank bottom, the outside cover of connecting pipe is equipped with takes out from the shell, one side of connecting pipe is equipped with can be with the sealed closing plate of connecting pipe.

Preferably, one side of the sealing plate is provided with a limiting block which can limit the sealing plate not to be separated from the connecting pipe.

The utility model has at least the following beneficial effects:

compared with the prior art that when Acorga M5640 is separated from the solution, Acorga M5640 is required to be gradually extracted from the upper layer of the solution, careful extraction is required to avoid the problem that the solution is extracted along with the Acorga M5640, the operation is troublesome, and after the integral solution is poured out of a reaction cylinder, a filter screen is used for separation, and the precipitation separation process is complicated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the stirring mechanism of the present invention;

FIG. 3 is a partial cross-sectional view of the extraction mechanism of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a partial cross-sectional view of the pull-away mechanism of the present invention;

fig. 6 is an enlarged view of the region B in fig. 5.

In the figure: 1-a mixing tank; 2-cover plate; 3-a support leg; 4-a stirring mechanism; 40-a motor; 41-gear; 42-toothed ring; 43-a connecting frame; 44-a stirring shaft; 45-stirring blade; 46-a limiting plate; 47-a limit ring; 5-a drawing-out mechanism; 51-a track; 52-a slide block; 53-floating plate; 54-a positioning ring; 55-a fixed ring; 56-flexible pipe; 6-a drawing mechanism; 61-connecting tube; 62-extracting the shell; 63-a sealing plate; 64-a push-pull plate; 65-a limiting block; 7-a rotating shaft; 8, connecting the first plate; 9-connecting plate II; 10-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a copper-lithium raffinate recovery device comprises:

the device comprises a mixing tank 1, wherein a cover plate 2 is arranged at the top of the mixing tank 1, and a plurality of support legs 3 supported on the ground are arranged on the outer side of the mixing tank 1;

the stirring mechanism 4 is arranged at the top of the cover plate 2, the extracting agent and the solution are stirred and mixed by the stirring mechanism 4, and the extracting agent and the solution can be conveniently mixed by the stirring mechanism 4 in a short time, so that the copper ions in the solution can be conveniently extracted;

and the extraction mechanism 5 is arranged in the mixing tank 1, the extraction agent extracted in the mixing tank 1 is extracted from the top of the solution by the extraction mechanism 5, after extraction is finished, the extraction liquid is extracted by only using the extraction mechanism 5, and then the sodium carbonate solution is added to precipitate lithium ions.

Be connected through pivot 7 between blending tank 1 and the apron 2,

pivot

7 and 1 fixed connection of blending tank, pivot 7 and apron 2 rotate to be connected, one side of blending tank 1 is equipped with connecting plate 8, connecting

plate

8 and 1 fixed connection of blending tank, apron 2 is located the top of connecting plate 8 and is equipped with connecting plate two 9, connecting plate two 9 and apron 2 fixed connection, connecting plate 8 and connecting plate two 9 are locked through bolt 10, and bolt 10 respectively with connecting plate 8 and connecting plate two 9 threaded connection, can be connected apron 2 and blending tank 1 through bolt 10, and then make things convenient for the replacement of extractant and solution in the blending tank 1.

The stirring mechanism 4 comprises a motor 40 arranged on the top of the cover plate 2, the motor 40 is fixedly connected with the cover plate 2, an output shaft of the motor 40 penetrates through the cover plate 2 and extends into the cover plate 2, an output shaft of the motor 40 is rotatably connected with the cover plate 2, a plurality of gears 41 which are distributed in a central symmetry manner are arranged in the cover plate 2, a gear ring 42 which is matched with the gear 41 is arranged in the mixing tank 1, the gear ring 42 is fixedly connected with the mixing tank 1, the gear ring 42 is meshed with the gear 41, the gears 41 are connected with the output shaft of the motor 40 through a connecting frame 43, the connecting frame 43 is fixedly connected with the output shaft of the motor 40, the connecting frame 43 is rotatably connected with a stirring shaft 44 of the gear 41, a stirring shaft 44 which can mix and stir the extract and the solution is arranged at the bottom of each gear 41, the stirring shaft 44 is fixedly connected with the gear 41, and stirring blades 45 which push the solution and the extract to flow are arranged outside the stirring shaft 44, stirring blade 45 is the heliciform, stirring blade 45 and (mixing) shaft 44 are fixed connection, after the extractant pours into the solution, start motor 40, motor 40 drives link 43 and rotates, link 43 drives gear 41 and rotates along ring gear 42, at this moment, gear 41 rotates simultaneously along the circumference, stirring shaft 44 and stirring blade 45 rotate along with the rotation of gear 41, stirring shaft 44 and stirring blade 45 fully stir extractant and solution, thereby make things convenient for the extractant to extract the copper ion in the solution, after stirring, motor 40 stops rotating, extractant and solution layering, Acorga M5640's density is less than the density of water, Acorga M5640 can float on the solution.

The top of the stirring shaft 44 is provided with a limiting plate 46 which can be supported on the top of the connecting frame 43, the limiting plate 46 is fixedly connected with the stirring shaft 44, the limiting plate 46 is convenient for limiting the stirring shaft 44 relative to the connecting frame 43, and further the gear 41 and the stirring shaft 44 can be conveniently driven by the connecting frame 43.

The bottom of ring gear 42 is equipped with the spacing ring 47 with apron 2 fixed connection, the spacing ring 47 supports gear 41, and spacing ring 47 and ring gear 42 fixed connection, spacing ring 47 can support gear 41 in apron 2 to make things convenient for the stable rotation of gear 41, further make things convenient for the stirring to solution and extractant.

The extraction mechanism 5 comprises a track 51 arranged on the inner wall of the mixing tank 1, the track 51 is fixedly connected with the mixing tank 1, a sliding block 52 capable of sliding on the track 51 is arranged inside the track 51, a floating plate 53 capable of floating above the liquid level of the solution is arranged on one side of the sliding block 52, the floating plate 53 is fixedly connected with the sliding block 52, a fixing ring 55 is arranged at the top of the floating plate 53 of the sliding block 52, the fixing ring 55 is fixedly connected with the sliding block 52, a positioning ring 54 is arranged on the outer side of the mixing tank 1, a hose 56 connected with the fixing ring 55 is arranged in the positioning ring 54, the positioning ring 54 is fixedly connected with the mixing tank 1, one end of the hose 56 penetrates through the positioning ring 54 and is slidably connected with the positioning ring 54, the other end of the hose 56 is fixed on the fixing ring 55, after the extractant and the solution are layered, the floating plate 53 floats on the liquid level of the solution, the end of the hose 56 is limited in the extractant by the fixing ring 55, at this time, the outer pump pumps the extractant out of the upper layer of the solution through the hose 56, so that the extractant is conveniently pumped out of the solution, and the operation of personnel is facilitated.

The bottom of the mixing tank 1 is provided with a drawing mechanism 6 for drawing the precipitate from the mixing tank 1, the drawing mechanism 6 comprises a connecting pipe 61 arranged at the bottom of the mixing tank 1, the connecting pipe 61 is fixedly connected with the mixing tank 1, the bottom of the connecting pipe 61 is provided with threads, the outer side of the connecting pipe 61 is sleeved with a drawing shell 52, the drawing shell 52 is in threaded connection with the connecting pipe 61, one side of the connecting pipe 61 is provided with a sealing plate 63 capable of sealing the connecting pipe 61, the sealing plate 63 penetrates through the connecting pipe 61 and is in sliding connection with the connecting pipe 61, the outer side of the sealing plate 63 is fixedly connected with a push-pull plate 64, after sodium carbonate is added into the solution, lithium carbonate forms precipitate, the precipitate is gathered into the drawing shell 52, the push-pull plate 64 is pushed at the moment, the sealing plate 63 is pushed by the push-pull plate 64 to seal the connecting pipe 61, the drawing shell 52 is rotated again, the drawing shell 52 is taken down from the bottom of the connecting pipe 61, and the lithium carbonate precipitate taken out from the shell 52 can be taken out at the moment, thereby facilitating the extraction of lithium ions.

One side of the sealing plate 63 is provided with a limiting block 65 which can limit the sealing plate 63 not to be separated from the connecting pipe 61, the limiting block 65 is fixedly connected with the sealing plate 63, and in the process of drawing out the sealing plate 63, the limiting block 65 can limit the sealing plate 63 to be completely drawn out from the connecting pipe 61, so that the possibility of leakage of the solution is reduced, and the operation of the drawing-out mechanism 6 is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A copper lithium extraction raffinate recovery unit which characterized in that: the method comprises the following steps:

the device comprises a mixing tank (1), wherein a cover plate (2) is arranged at the top of the mixing tank (1), and a plurality of support legs (3) supported on the ground are arranged on the outer side of the mixing tank (1);

the stirring mechanism (4), the stirring mechanism (4) is installed on the top of the cover plate (2), and the extracting agent and the solution are stirred and mixed by the stirring mechanism (4);

the extraction mechanism (5) is installed in the mixing tank (1), and the extraction agent extracted in the mixing tank (1) is extracted from the top of the solution by the extraction mechanism (5).

2. The apparatus for recovering copper-lithium raffinate as claimed in claim 1, wherein: be connected through pivot (7) between blending tank (1) and apron (2), one side of blending tank (1) is equipped with connecting plate (8), the top that apron (2) are located connecting plate (8) is equipped with connecting plate two (9), connecting plate one (8) are locked through bolt (10) with connecting plate two (9).

3. The apparatus for recovering copper-lithium raffinate as claimed in claim 1, wherein: rabbling mechanism (4) are including installing motor (40) at apron (2) top, the output shaft of motor (40) runs through apron (2) and extends to inside apron (2), be equipped with a plurality of gear (41) that are central symmetric distribution in apron (2), mixing tank (1) inside is equipped with ring gear (42) with gear (41) looks adaptation, and is a plurality of be connected through link (43) between gear (41) and motor (40) output shaft, every the bottom of gear (41) all is equipped with (mixing) shaft (44) that can mix extraction liquid and solution stirring, the outside of (mixing) shaft (44) is equipped with stirring leaf (45) that promote solution and extraction liquid flow.

4. The apparatus of claim 3, wherein: the top of the stirring shaft (44) is provided with a limiting plate (46) which can be supported on the top of the connecting frame (43), and the limiting plate (46) is fixedly connected with the stirring shaft (44).

5. The apparatus of claim 3, wherein: the bottom of ring gear (42) is equipped with and laps (2) fixed connection's spacing ring (47), gear (41) support is held in spacing ring (47).

6. The apparatus for recovering copper-lithium raffinate as claimed in claim 1, wherein: draw mechanism (5) including installing track (51) at blending tank (1) inner wall, the inside of track (51) is equipped with can be on track (51) gliding slider (52), one side of slider (52) is equipped with floating plate (53) that can float above the solution liquid level, the top that slider (52) are located floating plate (53) is equipped with solid fixed ring (55), the outside of blending tank (1) is equipped with holding ring (54), be equipped with in holding ring (54) and gu fixed ring (55) hose (56) be connected.

7. The apparatus for recovering copper-lithium raffinate as claimed in claim 1, wherein: the bottom of blending tank (1) is equipped with and will deposit and take out from taking out mechanism (6) from in blending tank (1), take out from mechanism (6) including installing connecting pipe (61) in blending tank (1) bottom, the outside cover of connecting pipe (61) is equipped with and takes out shell (62), one side of connecting pipe (61) is equipped with can be with connecting pipe (61) sealed closing plate (63).

8. The apparatus for recovering copper-lithium raffinate as claimed in claim 7, wherein: and one side of the sealing plate (63) is provided with a limiting block (65) which can limit the sealing plate (63) not to be separated from the connecting pipe (61).