CN218077929U - Ternary precursor preparation reaction kettle - Google Patents

Abstract

The utility model discloses a ternary precursor preparation reation kettle, including the inside reation kettle body of seting up the reaction storehouse, the top demountable installation of reation kettle body has the end cover, the up end demountable installation of end cover has drive structure, and drive structure is connected with and sets up the stirring structure that is used for stirring the mixture to the reactant in the reaction storehouse, and the stirring structure includes the spiral puddler of rotatable installation in the reaction storehouse, it has the wall structure of scraping to be annular array fixed mounting on spiral puddler's the outer fringe face, scrapes the curb plate of wall structure including symmetry fixed mounting in spiral puddler outer fringe face top and bottom, the inner chamber has been seted up between two parties to the one end that the curb plate kept away from spiral puddler, be provided with the pressure-bearing spring in the inner chamber, the one end fixedly connected with bracing piece of pressure-bearing spring, this ternary precursor preparation reation kettle, rational in infrastructure is favorable to clearing up the residue that forms on the reation kettle inner wall, and the practicality is strong.

Description

Ternary precursor preparation reaction kettle

Technical Field

The utility model belongs to the technical field of chemical industry equipment, concretely relates to ternary precursor preparation reation kettle.

Background

The conventional battery anode material is lithium cobaltate, the ternary precursor material is nickel-cobalt-manganese hydroxide, and the ternary composite anode material precursor product is prepared by taking nickel salt, cobalt salt and manganese salt as raw materials, wherein the proportion of nickel, cobalt and manganese in the nickel-cobalt-manganese composite anode material can be adjusted according to actual needs, and the battery using the ternary material as the anode has high safety compared with a lithium cobalt-acid battery.

At present, a coprecipitation method is mostly adopted in industrial production to prepare a ternary precursor, namely, a salt solution after filtration and impurity removal, an alkali solution and a complexing agent are added into a preparation device at a certain flow rate, and react under corresponding reaction conditions to generate a ternary precursor crystal nucleus which grows up gradually.

At present, when a reaction kettle is used for preparing a ternary precursor, the reactant is generally required to be stirred through a stirring shaft, so that each component can obtain enough dispersion strength, the mixing effect is improved, a large amount of crystals can be separated out from the solution in the stirring process, and residues are formed on the inner wall of the reaction kettle after the reaction is finished and are difficult to clean.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ternary precursor preparation reation kettle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme does:

a ternary precursor preparation reaction kettle comprises a reaction kettle body, wherein a reaction bin is arranged in the reaction kettle body;

an end cover is detachably mounted at the top of the reaction kettle body, a driving structure is detachably mounted on the upper end face of the end cover, and the driving structure is connected with a stirring structure which is arranged in the reaction bin and used for stirring and mixing reactants;

the stirring structure comprises a spiral stirring rod rotatably arranged in the reaction bin, and wall scraping structures are fixedly arranged on the outer edge surface of the spiral stirring rod in an annular array;

the wall scraping structure comprises side plates which are symmetrically and fixedly installed at the top and the bottom of the outer edge surface of the spiral stirring rod, an inner cavity is formed in one end, away from the spiral stirring rod, of each side plate, a pressure-bearing spring is arranged in the inner cavity, a supporting rod is fixedly connected to one end of each pressure-bearing spring, one end, away from the pressure-bearing spring, of each supporting rod extends out of the inner cavity and is fixedly connected with a vertical plate, and a scraper which is abutted to the inner wall of the reaction kettle body is fixedly installed on one side, away from the supporting rod, of each vertical plate.

Further, drive structure is including the mounting panel of demountable installation in end cover up end center, the up end fixed mounting placed in the middle of the mounting panel has the motor, the motor shaft of motor extends and wears out end cover and fixed connection in the top of spiral puddler.

Furthermore, the upper end surface of the mounting plate is provided with connecting bolts with one ends capable of being screwed into the end covers in an annular array.

Further, the up end of end cover demountable installation placed in the middle has the annular to remove the flavor box, and the lower extreme of end cover personally submits annular array and sets up the switch-on and removes the inside air inlet duct of flavor box, the equal fixed mounting in inner wall top and the bottom of removing flavor box has the filter screen, two it is provided with the active carbon to fill between the filter screen.

Furthermore, the inner edge surface of the odor removing box is provided with fixing blocks in an annular array mode, and a fixing bolt with one end screwed into the end cover is arranged in the middle of the upper end surface of each fixing block.

Furthermore, the lower end face of the reaction kettle body is provided with support plates in an annular array mode, and the top ends of the support plates are welded and fixed at the edge position of the lower end face of the reaction kettle body.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the reation kettle body, the reaction storehouse, the end cover, the spiral agitator arm, the curb plate, an inner chamber, the pressure-bearing spring, the bracing piece, the setting of riser and scraper, when stirring the reactant, it is rotatory through drive structure drive stirring structure, it is rotatory that the rotatory curb plate that drives of spiral agitator arm promptly, the elasticity of pressure-bearing spring acts on the bracing piece, apply on the riser through the bracing piece, thereby make the inner wall of scraper butt reation kettle body, scrape the residue that forms on the reation kettle body inner wall down, convenient follow-up clearance, and carry out elastic buffer through the pressure-bearing spring, be favorable to reducing the wearing and tearing between scraper and the reation kettle body inner wall, promote the life of scraper.

Drawings

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

fig. 2 is a cross-sectional view of the present invention in fig. 1;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 according to the present invention.

In the figure: 1. a reaction kettle body; 2. a reaction bin; 3. a support plate; 4. an end cap; 5. a deodorizing box; 6. a fixed block; 7. fixing the bolt; 8. filtering with a screen; 9. activated carbon; 10. mounting a plate; 11. a connecting bolt; 12. an electric motor; 13. a helical agitator shaft; 14. an air inlet groove; 15. a side plate; 16. an inner cavity; 17. a pressure-bearing spring; 18. a support bar; 19. a vertical plate; 20. and (4) scraping the blade.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In order to clean residues formed on the inner wall of a reaction kettle body 1, as shown in fig. 1-3, the ternary precursor preparation reaction kettle comprises a reaction kettle body 1 with a reaction bin 2 arranged inside, an end cover 4 is detachably arranged on the top of the reaction kettle body 1, a driving structure is detachably arranged on the upper end surface of the end cover 4, the driving structure is connected with a stirring structure which is arranged in the reaction bin 2 and used for stirring and mixing reactants, the stirring structure comprises a spiral stirring rod 13 rotatably arranged in the reaction bin 2, wall scraping structures are fixedly arranged on the outer edge surface of the spiral stirring rod 13 in an annular array manner, each wall scraping structure comprises side plates 15 symmetrically and fixedly arranged on the top and the bottom of the outer edge surface of the spiral stirring rod 13, one end of each side plate 15, which is far away from the spiral stirring rod 13, is centrally provided with an inner cavity 16, a pressure-bearing spring 17 is arranged in the inner cavity 16, and one end of the pressure-bearing spring 17 is fixedly connected with a support rod 18, one end of the support rod 18, which is far away from the pressure-bearing spring 17, extends out of the inner cavity 16 and is fixedly connected with a vertical plate 19, one side of the vertical plate 19, which is far away from the support rod 18, is fixedly provided with a scraper 20 which is abutted against the inner wall of the reaction kettle body 1, and benefits from the reaction kettle body 1, the reaction bin 2, the end cover 4, the spiral stirring rod 13, the side plate 15, the inner cavity 16, the pressure-bearing spring 17, the support rod 18, the vertical plate 19 and the scraper 20, when a reactant is stirred, the stirring structure is driven to rotate by the driving structure, namely the spiral stirring rod 13 rotates to drive the side plate 15 to rotate, the elastic force of the pressure-bearing spring 17 acts on the support rod 18 and is exerted on the vertical plate 19 by the support rod 18, so that the scraper 20 is abutted against the inner wall of the reaction kettle body 1, residues formed on the inner wall of the reaction kettle body 1 are scraped, the subsequent cleaning is convenient, and the elastic buffering is carried out by the pressure-bearing spring 17, the abrasion between the scraper 20 and the inner wall of the reaction kettle body 1 is reduced, and the service life of the scraper 20 is prolonged.

For drive spiral puddler 13 rotates, the stirring of realization to the reactant is mixed, as shown in fig. 1 and fig. 2, drive structure includes demountable installation in the mounting panel 10 at end cover 4 up end center, and the up end fixed mounting placed in the middle of mounting panel 10 has motor 12, and motor 12's motor shaft extends and wears out end cover 4 and fixed connection in spiral puddler 13's top, and the up end of mounting panel 10 is personally submitted the annular array and is provided with one end and can screw in connecting bolt 11 in the end cover 4.

For the pungent smell that produces in the reaction process handles, as shown in fig. 1 and fig. 2, demountable installation has between two parties to the up end of end cover 4 and is annular except that flavor box 5, and the lower extreme of end cover 4 personally submits annular array and sets up the inside air inlet duct 14 of switch-on except that flavor box 5, removes the equal fixed mounting in inner wall top and the bottom of flavor box 5 and has filter screen 8, fills between two filter screens 8 and is provided with active carbon 9.

In order to facilitate the installation and the disassembly of the deodorization box 5, as shown in fig. 1, fixing blocks 6 are constructed on the inner edge surface of the deodorization box 5 in an annular array, and a fixing bolt 7 with one end screwed into the end cover 4 is arranged in the middle of the upper end surface of each fixing block 6.

For providing stable support to reation kettle body 1, as shown in fig. 1, the lower terminal surface of reation kettle body 1 forms annular array and is provided with backup pad 3, and the top welded fastening of backup pad 3 is in the marginal position of reation kettle body 1 lower extreme surface.

The working principle is as follows: this ternary precursor preparation reation kettle, during the use, the required reactant of ternary precursor will be prepared is arranged in reation bin 2, and locate reation kettle body 1's top with end cover 4 lid, then through starter motor 12, make motor 12's motor shaft rotate and drive spiral agitator arm 13 rotatory, stir the mixture through spiral agitator arm 13 to the reactant of each component in reation bin 2, spiral agitator arm 13 drives curb plate 15 rotatory in rotatory, pressure-bearing spring 17's elasticity acts on bracing piece 18, apply on riser 19 through bracing piece 18, thereby make scraper 20 butt reation kettle body 1's inner wall, scrape the residue that forms on reation kettle body 1 inner wall, make things convenient for follow-up to clear up, and carry out elastic buffer through pressure-bearing spring 17, be favorable to reducing the wearing and tearing between scraper 20 and reation kettle body 1 inner wall, promote scraper 20's life, and the irritant gas who produces in the preparation ternary precursor process enters into through air inlet duct 14 and removes flavor box 5, through removing activated carbon 9 in the box 5 partial material in the irritant gas adsorbs the material, realize on the certain degree and handle, be favorable to this ternary precursor preparation reation kettle inner wall, be favorable to carry out the rational pollution of the clean up the environmental pollution, the practicality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A ternary precursor preparation reaction kettle comprises a reaction kettle body (1) with a reaction bin (2) arranged inside;

the method is characterized in that: an end cover (4) is detachably mounted at the top of the reaction kettle body (1), a driving structure is detachably mounted on the upper end surface of the end cover (4), and the driving structure is connected with a stirring structure which is arranged in the reaction bin (2) and used for stirring and mixing reactants;

the stirring structure comprises a spiral stirring rod (13) rotatably arranged in the reaction bin (2), and wall scraping structures are fixedly arranged on the outer edge surface of the spiral stirring rod (13) in an annular array;

scrape wall structure and include curb plate (15) of symmetry fixed mounting in spiral puddler (13) outer fringe face top and bottom, cavity (16) have been seted up between two parties to the one end that keeps away from spiral puddler (13) in curb plate (15), be provided with pressure-bearing spring (17) in cavity (16), the one end fixedly connected with bracing piece (18) of pressure-bearing spring (17), the one end that pressure-bearing spring (17) were kept away from in bracing piece (18) extends inner chamber (16) and fixedly connected with riser (19), one side fixed mounting that bracing piece (18) were kept away from in riser (19) has butt scraper (20) that sets up in reation kettle body (1) inner wall.

2. The ternary precursor preparation reaction kettle of claim 1, wherein: drive structure is including demountable installation in mounting panel (10) at end cover (4) up end center, the up end fixed mounting placed in the middle of mounting panel (10) has motor (12), the motor shaft extension of motor (12) is worn out end cover (4) and fixed connection in the top of spiral puddler (13).

3. The ternary precursor preparation reaction kettle of claim 2, wherein: the upper end surface of the mounting plate (10) is provided with connecting bolts (11) with one ends capable of being screwed into the end covers (4) in an annular array.

4. The ternary precursor preparation reaction kettle according to claim 1, characterized in that: the up end of end cover (4) demountable installation placed in the middle has and is annular to remove flavor box (5), and the lower extreme of end cover (4) personally submits annular array and sets up switch-on air inlet duct (14) that remove flavor box (5) inside, the equal fixed mounting in inner wall top and the bottom that removes flavor box (5) has filter screen (8), two it is provided with active carbon (9) to fill between filter screen (8).

5. The ternary precursor preparation reaction kettle of claim 4, wherein: the inner edge surface of the deodorization box (5) is provided with fixing blocks (6) in an annular array, and the upper end surface of each fixing block (6) is provided with a fixing bolt (7) with one end capable of being screwed into the end cover (4) in the middle.

6. The ternary precursor preparation reaction kettle according to claim 1, characterized in that: the lower end face of the reaction kettle body (1) is provided with support plates (3) in an annular array mode, and the top ends of the support plates (3) are welded and fixed at the edge positions of the lower end face of the reaction kettle body (1).

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