CN220425357U

CN220425357U - Preparation device

Info

Publication number: CN220425357U
Application number: CN202321802552.5U
Authority: CN
Inventors: 赵红; 姚宏磊; 张永军
Original assignee: Anhui Tiantie Lithium New Energy Co ltd
Current assignee: Anhui Tiantie Lithium New Energy Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-02-02
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a preparation device, which belongs to the technical field of lithium hydroxide production and comprises a reaction kettle, wherein a feed inlet is formed in the top of the reaction kettle, a dust cover is hinged to the top of the reaction kettle, a discharging pipe is fixedly inserted into the bottom of an inner cavity of the reaction kettle, an electromagnetic valve is arranged in the inner cavity of the discharging pipe, a stirring and heating structure for stirring and heating liquid is arranged in the reaction kettle, and a circulating cleaning structure for cleaning the inner wall of the reaction kettle is arranged at the top of the reaction kettle; according to the preparation device, through the cooperation of the reaction kettle, the feed inlet, the dust cover, the blanking pipe, the stirring and heating structure and the circulating cleaning structure, the effect of being convenient for quickly cleaning residual slurry on the inner wall of the reaction kettle is achieved; the effect of being convenient for rapidly warning irrelevant personnel around the reaction kettle is achieved through the cooperation of the reaction kettle, the fixing plate and the warning lamp; through the cooperation of reation kettle, shield, handle and anti-skidding cover, reached the effect that the operating personnel of being convenient for stably control the shield and remove.

Description

Preparation device

Technical Field

The utility model belongs to the technical field of lithium hydroxide production, and particularly relates to a preparation device.

Background

Lithium hydroxide is an important basic lithium salt product. The lithium-based lubricating grease prepared from lithium hydroxide has the advantages of long service life, oxidation resistance, high-temperature stability and the like; as an additive of an alkaline storage battery, lithium hydroxide can increase the storage capacity and prolong the service life of the battery; lithium carbonate and refined lime milk are mixed according to mole 1:1.08, regulating the concentration of causticizing liquid to 18-20 g/l, heating to boiling and strongly stirring, controlling the causticizing time to 30min, obtaining CaCO3 precipitate and lithium hydroxide mother liquor with the concentration of about 3.5 percent through centrifugal separation, evaporating, concentrating, crystallizing and drying the mother liquor to obtain a lithium hydroxide monohydrate product.

The comparative document CN212595629U discloses a lithium hydroxide preparation device, "traditional lithium hydroxide preparation process, generally adopting the way of reacting calcium hydroxide and lithium carbonate, because calcium salt is slightly soluble under acidic and alkaline conditions, a part of calcium ions can enter into solution. In the process of obtaining the lithium hydroxide pure product by subsequent treatment, the calcium ions are difficult to remove or have high removal cost. The impurity requirements in lithium products are more and more strict, and the traditional lithium hydroxide preparation technology cannot meet the production requirements. Meanwhile, the traditional lithium hydroxide preparation technology can finally produce lithium carbonate or lithium sulfate waste liquid, and the waste liquid has a certain concentration of lithium, but the lithium is extremely difficult to recycle due to the too low concentration of the waste liquid, and finally is treated and discharged as waste liquid. "

The lithium carbonate causticizing method is a common lithium hydroxide preparation method, the lithium carbonate causticizing method needs to heat and stir lithium carbonate and refined lime milk to generate mixed slurry, and when the mixed slurry enters the next device from the reaction kettle, part of slurry is easy to remain on the inner wall of the reaction kettle, and the residual slurry in the reaction kettle is not properly cleaned to easily influence the subsequent mixing of the lithium carbonate and the refined lime milk.

The present utility model thus provides a preparation device.

Disclosure of Invention

The utility model aims to solve the problem that part of mixed slurry is easy to remain on the inner wall of a reaction kettle when the mixed slurry enters the next device from the reaction kettle in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the preparation device comprises a reaction kettle, wherein a feed inlet is formed in the top of the reaction kettle, a dust cover is hinged to the top of the reaction kettle, a discharging pipe is fixedly inserted into the bottom of an inner cavity of the reaction kettle, an electromagnetic valve is arranged in the inner cavity of the discharging pipe, a stirring and heating structure for stirring and heating liquid is arranged in the reaction kettle, and a circulating cleaning structure for cleaning the inner wall of the reaction kettle is arranged at the top of the reaction kettle;

the stirring and heating structure comprises a fixed rod fixedly connected to the bottom of the reaction kettle, a base is welded at the bottom end of the fixed rod, a first servo motor is installed at the top of the base, a stirring rod is welded at the output end of the first servo motor, the stirring rod is rotationally connected to the bottom of an inner cavity of the reaction kettle, stirring blades are welded on the outer surface of the stirring rod, and a plurality of heating rods are installed on the inner surface of the reaction kettle;

the circulation cleaning structure comprises a supporting frame fixedly connected to the outer surface of the reaction kettle, a second servo motor is installed at the top of the supporting frame, a connecting rod is welded at the output end of the second servo motor, one end of the connecting rod, which is far away from the second servo motor, is fixedly connected with a rotary table, the rotary table is rotationally connected to the top of an inner cavity of the reaction kettle, an exhaust fan is fixedly connected to the top of the rotary table, an air inlet pipe is installed at the input end of the exhaust fan, a cleaning pipe is installed at the output end of the exhaust fan, and the cleaning pipe is fixedly inserted into the inner cavity of the rotary table.

Preferably, the outer surface fixed cover of puddler is equipped with the sieve, sieve sliding connection is at reation kettle's internal surface diapire.

Through setting up the sieve, the rotation of puddler can drive the sieve and rotate to the residue of reation kettle internal surface diapire can be cleared up in the rotation of a plurality of sieves.

Preferably, the surface of reation kettle is contradicted and is had the fixed plate, the warning light is installed to one side that the fixed plate kept away from reation kettle.

Through setting up fixed plate and warning light, but the intermittent type nature scintillation after the warning light starts to the warning light of regular scintillation can warn the irrelevant personnel around the reation kettle rapidly.

Preferably, the inner cavity of the fixed plate is in threaded connection with a bolt, and the bolt penetrates through the fixed plate to be in threaded connection with the reaction kettle.

Through setting up the bolt, operating personnel anticlockwise rotation bolt can release fixed state of fixed plate and reation kettle gradually, is convenient for dismantle change fixed plate and warning light rapidly.

Preferably, a glass window is arranged on the outer surface of the reaction kettle, and the vertical section of the glass window is circular.

Through setting up the glass window, operating personnel accessible glass window direct observation reation kettle inside actual conditions.

Preferably, one side of the dustproof cover far away from the reaction kettle is fixedly connected with a handle, and an anti-slip sleeve is fixedly sleeved on the outer surface of the handle.

Through setting up handle and antiskid cover, operating personnel hold the handle and can control the dust cover whole that overturns to the antiskid cover can increase the frictional force between handle and the operating personnel, the operating personnel of being convenient for stably control the dust cover and remove.

Preferably, a sealing strip is arranged on one side, close to the reaction kettle, of the dust cover, and the length of the sealing strip is smaller than that of the dust cover.

Through setting up the sealing strip, the sealing strip can remove along with the removal of shield, and after the shield kept off at the feed inlet top, the sealing strip can block up the gap between feed inlet and the anti-skidding cover, and the inside airtight environment that can keep as far as possible of reation kettle is convenient for the inside mixed thick liquids of reation kettle heat up rapidly.

In summary, the technical effects and advantages of the present utility model are: according to the preparation device, through the cooperation of the reaction kettle, the feed inlet, the dust cover, the blanking pipe, the stirring and heating structure and the circulating cleaning structure, the effect of being convenient for quickly cleaning residual slurry on the inner wall of the reaction kettle is achieved; the effect of being convenient for rapidly warning irrelevant personnel around the reaction kettle is achieved through the cooperation of the reaction kettle, the fixing plate and the warning lamp; through the cooperation of reation kettle, shield, handle and anti-skidding cover, reached the effect that the operating personnel of being convenient for stably control the shield and remove.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional structure of a reaction kettle of the utility model;

FIG. 2 is a schematic perspective sectional view of a reaction vessel of the present utility model;

FIG. 3 is an enlarged schematic view of area A of FIG. 1 in accordance with the present utility model;

fig. 4 is a schematic perspective view of a dust cap according to the present utility model.

In the figure:

1. a reaction kettle; 2. a feed inlet; 3. a dust cover; 4. discharging pipes;

5. stirring and heating structure; 501. a fixed rod; 502. a base; 503. a first servo motor; 504. a stirring rod; 505. stirring fan blades; 506. a heating rod;

6. a cyclic cleaning structure; 601. a support frame; 602. a second servo motor; 603. a connecting rod; 604. a turntable; 605. an exhaust fan; 606. an air inlet pipe; 607. cleaning the pipe;

7. a sieve plate; 8. a fixing plate; 9. a warning light; 10. a bolt; 11. a glazing; 12. a grip; 13. an anti-skid sleeve; 14. and (5) a sealing strip.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a preparation device comprises a reaction kettle 1, wherein lithium carbonate, water and quicklime can be mixed into slurry in the reaction kettle 1 for preparing lithium hydroxide, a feed inlet 2 is formed in the top of the reaction kettle 1, and raw materials required by preparing the lithium hydroxide can enter the reaction kettle 1 through the feed inlet 2; the top of the reaction kettle 1 is hinged with a dust cover 3, the cross section area of the dust cover 3 is larger than that of the feed inlet 2, and the dust cover 3 can completely cover the feed inlet 2; the bottom of the inner cavity of the reaction kettle 1 is fixedly inserted with a discharging pipe 4, the inner cavity of the discharging pipe 4 is provided with an electromagnetic valve, and after the electromagnetic valve in the discharging pipe 4 is started, the mixed slurry can be discharged outwards through the discharging pipe 4 to carry out the next procedure.

Referring to fig. 1-2, a stirring heating structure 5 for stirring and heating liquid is arranged in a reaction kettle 1, the stirring heating structure 5 comprises a fixed rod 501 fixedly connected to the bottom of the reaction kettle 1, and the length of the fixed rod 501 is smaller than that of a blanking pipe 4; a base 502 is welded at the bottom end of the fixed rod 501, and the cross section of the base 502 is rectangular; the top of base 502 fixed mounting has first servo motor 503, and the central point of first servo motor 503 and the central point of base 502 all are located the same straight line. The output end of the first servo motor 503 is welded with a stirring rod 504, the stirring rod 504 is rotatably connected to the bottom of the inner cavity of the reaction kettle 1, and the height of the stirring rod 504 is smaller than that of the reaction kettle 1.

Referring to fig. 1-2, a stirring blade 505 is welded on the outer surface of the stirring rod 504, the stirring blade 505 can be driven to rotate by starting the first servo motor 503 through the stirring rod 504, and the mixing speed of lithium carbonate, water and quicklime can be accelerated by rotating the stirring blade 505; the inner surface of the reaction kettle 1 is fixedly provided with a plurality of heating rods 506, the heating rods 506 adopt an external power supply, and the heating rods 506 are started to raise the temperature inside the reaction kettle 1, so that the rapid mixing of the slurry is facilitated. The fixed cover of the outer surface of puddler 504 is equipped with sieve 7, and sieve 7 sliding connection is at the internal surface diapire of reation kettle 1, and the rotation of puddler 504 can drive sieve 7 and slide along reation kettle 1 internal surface diapire, is convenient for clear up the residue of reation kettle 1 internal surface diapire rapidly.

Referring to fig. 1 and 3, a circulation cleaning structure 6 for cleaning the inner wall of the reaction kettle 1 is arranged at the top of the reaction kettle 1, the circulation cleaning structure 6 comprises a support frame 601 fixedly connected to the outer surface of the reaction kettle 1, and the vertical section of the support frame 601 is L-shaped; the top fixed mounting of support frame 601 has second servo motor 602, and the output of second servo motor 602 has welded connecting rod 603, and connecting rod 603 activity is inserted and is established at the inner chamber of support frame 601. One end of the connecting rod 603, which is far away from the second servo motor 602, is fixedly connected with a turntable 604, the turntable 604 is rotationally connected to the top of the inner cavity of the reaction kettle 1, and the second servo motor 602 can be started to drive the turntable 604 to rotate through the connecting rod 603.

Referring to fig. 1 and 3, an exhaust fan 605 is fixedly connected to the top of a turntable 604, an air inlet pipe 606 is fixedly arranged at the input end of the exhaust fan 605, a cleaning pipe 607 is fixedly arranged at the output end of the exhaust fan 605, the cleaning pipe 607 is fixedly inserted into the inner cavity of the turntable 604, and the exhaust fan 605 is started to pump outside air through the air inlet pipe 606 and blow air to the inner wall of the reaction kettle 1 through the cleaning pipe 607, so that residual slurry on the inner surface of the reaction kettle 1 is conveniently cleaned.

Referring to fig. 1, the outer surface of the reaction kettle 1 is abutted against a fixing plate 8, the vertical section of the fixing plate 8 is rectangular, a warning lamp 9 is fixedly installed on one side, away from the reaction kettle 1, of the fixing plate 8, the warning lamp 9 can regularly flash after being started, and the flashing warning lamp 9 can prompt surrounding irrelevant personnel rapidly. The inner cavity threaded connection of fixed plate 8 has bolt 10, and bolt 10 passes fixed plate 8 and reation kettle 1 threaded connection, and bolt 10 atress anticlockwise outwards rotates can release fixed state of fixed plate 8 and reation kettle 1 gradually, and fixed plate 8 and warning light 9 are changed in the quick dismantlement of being convenient for. The glass window 11 is arranged on the outer surface of the reaction kettle 1, the vertical section of the glass window 11 is round, and an operator can directly observe the actual processing condition inside the reaction kettle 1 through the glass window 11.

Referring to fig. 1 and 4, one side of the dust cover 3 far away from the reaction kettle 1 is fixedly connected with two handles 12, the two handles 12 are symmetrically distributed with the dust cover 3 as a center, and an operator can hold the handles 12 to drive the dust cover 3 to turn left and right; the outer surface of the handle 12 is fixedly sleeved with an anti-slip sleeve 13, and the anti-slip sleeve 13 can increase the friction force on the surface of the handle 12, so that an operator can control the handle 12 stably. One side of the dustproof cover 3, which is close to the reaction kettle 1, is fixedly provided with a sealing strip 14, the length of the sealing strip 14 is smaller than that of the dustproof cover 3, the sealing strip 14 can move along with the movement of the dustproof cover 3, and after the dustproof cover 3 covers the feed inlet 2, the sealing strip 14 can block a gap between the feed inlet 2 and the dustproof cover 3.

Working principle: when the preparation device is used, as shown in fig. 1-4, firstly, after an operator holds the grip 12 and the anti-slip cover 13 and lifts the anti-dust cover 3 upwards, the operator places lithium carbonate, water and quicklime into the reaction kettle 1 through the feed inlet 2, then the operator covers the feed inlet 2 downwards by the anti-dust cover 3, then the first servo motor 503 and the heating rod 506 are started, the first servo motor 503 can drive the stirring fan blade 505 to rotate through the stirring rod 504, the rotation of the stirring fan blade 505 can accelerate the mixing of the lithium carbonate, the water and the quicklime, the heating rod 506 can also raise the temperature in the reaction kettle 1, the mixing condition of the lithium carbonate, the water and the quicklime is facilitated, the operator can observe the mixing condition in the reaction kettle 1 through the glass window 11, after the mixing of the slurry is finished, the operator starts the electromagnetic valve in the feed pipe 4, the mixed slurry can be discharged through the feed pipe 4 and enters a lower working procedure, then the second servo motor 602 is started to drive the rotating part 604 through the connecting rod 603, and the top of the rotating part 604 is started to obtain the stirring fan 607, the stirring fan 605 can accelerate the mixing of the lithium carbonate, the water and the quicklime and the temperature of the quicklime can also raise the temperature in the reaction kettle 1, the mixing condition is convenient for cleaning the residual inner wall of the reaction kettle 1, and the residual reaction kettle 1 is cleaned by the inner wall of the inner wall 605 of the reaction kettle 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The preparation device comprises a reaction kettle (1), and is characterized in that a feed inlet (2) is formed in the top of the reaction kettle (1), a dust cover (3) is hinged to the top of the reaction kettle (1), a discharging pipe (4) is fixedly inserted into the bottom of an inner cavity of the reaction kettle (1), an electromagnetic valve is arranged in the inner cavity of the discharging pipe (4), a stirring heating structure (5) for stirring and heating liquid is arranged in the reaction kettle (1), and a circulating cleaning structure (6) for cleaning the inner wall of the reaction kettle (1) is arranged at the top of the reaction kettle (1);

the stirring and heating structure (5) comprises a fixed rod (501) fixedly connected to the bottom of the reaction kettle (1), a base (502) is welded at the bottom end of the fixed rod (501), a first servo motor (503) is installed at the top of the base (502), a stirring rod (504) is welded at the output end of the first servo motor (503), the stirring rod (504) is rotationally connected to the bottom of an inner cavity of the reaction kettle (1), stirring fan blades (505) are welded on the outer surface of the stirring rod (504), and a plurality of heating rods (506) are installed on the inner surface of the reaction kettle (1);

the utility model provides a circulation clearance structure (6) is including support frame (601) of fixed connection at reation kettle (1) surface, second servo motor (602) are installed at the top of support frame (601), the output welding of second servo motor (602) has connecting rod (603), one end fixedly connected with carousel (604) of second servo motor (602) are kept away from to connecting rod (603), carousel (604) rotate and connect at reation kettle (1) inner chamber top, the top fixedly connected with air exhauster (605) of carousel (604), intake pipe (606) are installed to the input of air exhauster (605), clearance pipe (607) are installed to the output of air exhauster (605), clearance pipe (607) are fixed to be inserted and are established at the inner chamber of carousel (604).

2. A preparation device according to claim 1, characterized in that the outer surface of the stirring rod (504) is fixedly sleeved with a sieve plate (7), and the sieve plate (7) is slidably connected to the bottom wall of the inner surface of the reaction kettle (1).

3. The preparation device according to claim 1, wherein the outer surface of the reaction kettle (1) is abutted against a fixing plate (8), and a warning lamp (9) is arranged on one side, far away from the reaction kettle (1), of the fixing plate (8).

4. A preparation device according to claim 3, characterized in that the inner cavity of the fixing plate (8) is connected with a bolt (10) in a threaded manner, and the bolt (10) penetrates through the fixing plate (8) to be connected with the reaction kettle (1) in a threaded manner.

5. A preparation device according to claim 1, characterized in that the outer surface of the reaction kettle (1) is provided with a glass window (11), the vertical cross section of the glass window (11) being circular.

6. The preparation device according to claim 1, wherein a grip (12) is fixedly connected to one side of the dust cover (3) away from the reaction kettle (1), and an anti-slip sleeve (13) is fixedly sleeved on the outer surface of the grip (12).

7. A preparation device according to claim 1, characterized in that a sealing strip (14) is arranged on the side of the dust cover (3) close to the reaction kettle (1), and the length of the sealing strip (14) is smaller than the length of the dust cover (3).