CN217249277U

CN217249277U - Secondary grinding mechanism for titanium dioxide and lithium carbonate mixture for lithium titanate production

Info

Publication number: CN217249277U
Application number: CN202221123660.5U
Authority: CN
Inventors: 王浩; 张少波; 张小龙
Original assignee: Shenzhen Borui Energy Technology Co ltd; Anhui Keda Borui Energy Technology Co ltd
Current assignee: Shenzhen Borui Energy Technology Co ltd; Anhui Keda Borui Energy Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-08-23
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a titanium white powder and lithium carbonate mixture's secondary grinding mechanism is used in lithium titanate production relates to lithium titanate production technical field. This mechanism is ground with secondary of titanium white powder and lithium carbonate mixture to lithium titanate production, including shell and pan feeding hose, the both sides of shell bottom all are provided with ejection of compact electric control valve, set up in the shell and executed pressure the chamber, the fixed telescopic link that is provided with in top of the intracavity of execution pressure chamber. This secondary grinding mechanism of titanium white powder and lithium carbonate mixture for lithium titanate production, through the structure that uses a plurality of cavitys and passageway, realize grinding gradually and ejection of compact operation (and among the non-prior art, all add the raw materials earlier, mix again, ejection of compact again after mixing), can be fine improve work efficiency under the prerequisite of guaranteeing grinding effect, avoided because the single is reinforced too much or too little and the grinding effect that leads to is not good or grinding efficiency low, be favorable to going on of mechanized production.

Description

Secondary grinding mechanism for titanium dioxide and lithium carbonate mixture for lithium titanate production

Technical Field

The utility model relates to a lithium titanate production technical field specifically is a lithium titanate production is with secondary grinding mechanism of titanium white powder and lithium carbonate mixture.

Background

Lithium titanate is a novel lithium ion battery cathode material and can be assembled with lithium manganate, ternary lithium cobaltate and other cathode materials to form a secondary lithium ion battery. The lithium titanate material has a high discharge platform, a high ion diffusion coefficient, extremely low volume expansion, an ultra-long cycle life and good low-temperature charge and discharge performance, so that the lithium ion battery adopting the lithium titanate material as a negative electrode material has high safety, multiplying power and a wide service temperature range, and is widely applied to the fields of energy storage, electric buses, emergency power supplies and the like.

In the production process of lithium titanate, a mixing device is needed to be used for adding titanium dioxide and lithium carbonate in a certain proportion into a stirring barrel, a certain amount of pure water (solid content in a certain proportion is prepared) is added, grinding and dispersion are carried out under the action of a grinding medium zirconia ball, and after mixing, grinding operation needs to be carried out on slurry.

Among the prior art, only adopt the structure that grinds the gear and add the shell to grind the operation in a grinding intracavity, be difficult to fine improve work efficiency under the prerequisite of guaranteeing the grinding effect, be difficult to the reinforced speed of fine control simultaneously, the easy appearance is because the single feeds in raw material too much or too little and the grinding effect that leads to is not good or grinding efficiency is low, is unfavorable for mechanized production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a lithium titanate production is with secondary grinding mechanism of titanium white powder and lithium carbonate mixture, prior art has been solved, only adopt the structure that grinds the gear and add the shell to grind the operation in a grinding cavity, be difficult to fine improve work efficiency under the prerequisite of guaranteeing to grind the effect, be difficult to the reinforced speed of fine control simultaneously, appear easily because the single feeds in raw material too much or too little and the grinding effect that leads to is not good or grinding efficiency is low, be unfavorable for mechanized production's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a secondary grinding mechanism for a titanium dioxide and lithium carbonate mixture for lithium titanate production comprises a shell and a feeding hose, wherein discharging electric control valves are arranged on two sides of the bottom of the shell, a pressure application cavity is formed in the shell, a telescopic rod is fixedly arranged at the top of an inner cavity of the pressure application cavity, a piston matched with the pressure application cavity is fixedly arranged at the bottom end of the telescopic rod, the feeding electric control valve is arranged at the bottom of the piston, the bottom end of the feeding hose penetrates through the top of the shell and the piston and is communicated with the feeding electric control valve, a one-way electric control valve is arranged on the shell, an inlet of the one-way electric control valve is communicated with the pressure application cavity, and an outlet of the one-way electric control valve is communicated with the outside of the shell;

the shell is provided with a feeding channel on both sides of the pressure application cavity, the feeding channel is communicated with the pressure application cavity through a transition channel, the transition channel is arranged at the bottom of both sides of the pressure application cavity, the shell is provided with a grinding chamber, the grinding chamber is communicated with the feeding channel and is arranged in the middle of the feeding channel, both sides of the top of the shell are provided with driving motors, the output ends of the driving motors are fixedly connected with driving shafts, the driving shafts are arranged in the feeding channel, the upper part of the feeding channel is communicated with a discharging channel through a connecting channel, and the discharging channel is communicated with the outside of the shell through a discharging electric control valve;

the grinding chamber is internally provided with a rubber ring, the outer surface of the rubber ring is completely attached to the inner wall of the grinding chamber, grinding teeth are arranged on the inner wall of the rubber ring, a grinding gear is arranged in the rubber ring, and the grinding gear is fixed on the driving shaft.

(III) advantageous effects

The utility model provides a titanium white powder and lithium carbonate mixture's secondary grinding mechanism is used in lithium titanate production. The method has the following beneficial effects:

this secondary grinding mechanism of titanium white powder and lithium carbonate mixture for lithium titanate production, through the structure that uses a plurality of cavitys and passageway, realize grinding gradually and ejection of compact operation (but not among the prior art, add the raw materials is whole earlier, mix again, ejection of compact again after mixing), can be fine improve work efficiency under the prerequisite of guaranteeing grinding effect, avoided because the single is reinforced too much or too little and the grinding effect that leads to is not good or grinding efficiency is low, be favorable to going on of mechanized production.

Drawings

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

fig. 2 is a schematic structural view of the grinding chamber of the present invention.

In the figure: 1. a housing; 2. a pressure application cavity; 3. a telescopic rod; 4. a piston; 5. feeding a hose; 6. a feeding electric control valve; 7. a feeding channel; 8. a transition passage; 9. a grinding chamber; 91. a rubber ring; 92. grinding teeth; 93. grinding the gear; 10. a connecting channel; 11. a discharge channel; 12. a discharging electric control valve; 13. a one-way electric control valve; 14. a drive motor; 15. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a secondary grinding mechanism for a titanium dioxide and lithium carbonate mixture for lithium titanate production comprises a shell 1 and a feeding hose 5, wherein discharge electric control valves 12 are arranged on two sides of the bottom of the shell 1, a pressure application cavity 2 is formed in the shell 1, a telescopic rod 3 is fixedly arranged at the top of an inner cavity of the pressure application cavity 2, a piston 4 matched with the pressure application cavity 2 is fixedly arranged at the bottom end of the telescopic rod 3, a feeding electric control valve 6 is arranged at the bottom end of the piston 4, the bottom end of the feeding hose 5 penetrates through the top of the shell 1 and the piston 4 and is communicated with the feeding electric control valve 6, a one-way electric control valve 13 is arranged on the shell 1, an inlet of the one-way electric control valve 13 is communicated with the pressure application cavity 2, and an outlet of the one-way electric control valve 13 is communicated with the outside of the shell 1;

the automatic feeding device comprises a shell 1, a pressure application cavity 2, a transition channel 8, a grinding chamber 9, a discharge channel 11 and a discharge channel 12, wherein the shell 1 is provided with the feeding channel 7 at two sides of the pressure application cavity 2, the feeding channel 7 is communicated with the pressure application cavity 2 through the transition channel 8, the transition channel 8 is arranged at the bottom of two sides of the pressure application cavity 2, the shell 1 is provided with the grinding chamber 9, the grinding chamber 9 is communicated with the feeding channel 7 and is arranged in the middle of the feeding channel 7, the two sides of the top of the shell 1 are provided with driving motors 14, the output ends of the driving motors 14 are fixedly connected with driving shafts 15, the driving shafts 15 are arranged in the feeding channel 7, the upper part of the feeding channel 7 is communicated with the discharge channel 11 through the connection channel 10, and the discharge channel 11 is communicated with the outside of the shell 1 through the discharge electric control valve 12;

be provided with rubber ring 91 in grinding chamber 9, the surface of rubber ring 91 and the inner wall of grinding chamber 9 are laminated completely, and the inner wall of rubber ring 91 is provided with grinding tooth 92, is provided with grinding gear 93 in the rubber ring 91, and grinding gear 93 is fixed in on drive shaft 15.

The during operation, through control mechanism control driving motor work, driving motor drives the drive shaft and rotates to drive and grind gear revolve, make grinding chamber work under the effect of grinding tooth simultaneously, open afterwards and open ejection of compact automatically controlled valve, follow-up operation is as follows:

s1, controlling the telescopic rod to shorten, so that the piston is lifted to the highest position to ensure that the pressure application cavity is communicated with the outside, opening the feeding electric control valve, and injecting the material through the feeding hose;

s2, controlling the telescopic rod to extend, pushing the materials in the pressure applying cavity to sequentially pass through the transition channel, the feeding channel and the discharging channel, grinding under the action of the grinding chamber, finally discharging through the discharging electric control valve, then closing the feeding electric control valve, repeating the step S1, and circularly grinding.

In conclusion, this secondary grinding mechanism of titanium white powder and lithium carbonate mixture for lithium titanate production through the structure that uses a plurality of cavitys and passageway, realizes grinding gradually and ejection of compact operation in the reinforced process (rather than among the prior art, add all the raw materials earlier, mix again, ejection of compact after mixing), can be fine improve work efficiency under the prerequisite of guaranteeing the grinding effect, avoided because the single is reinforced too much or too little and lead to grinding the effect not good or grinding inefficiency, be favorable to going on of mechanized production.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a secondary of titanium white powder for lithium titanate production and lithium carbonate mixture grinds mechanism, includes shell (1) and pan feeding hose (5), the both sides of shell (1) bottom all are provided with ejection of compact electric control valve (12), its characterized in that: a pressure application cavity (2) is formed in the shell (1), a telescopic rod (3) is fixedly arranged at the top of an inner cavity of the pressure application cavity (2), a piston (4) matched with the pressure application cavity (2) is fixedly arranged at the bottom end of the telescopic rod (3), a feeding electric control valve (6) is arranged at the bottom of the piston (4), the bottom end of the feeding hose (5) penetrates through the top of the shell (1) and the piston (4) and is communicated with the feeding electric control valve (6), a one-way electric control valve (13) is arranged on the shell (1), an inlet of the one-way electric control valve (13) is communicated with the pressure application cavity (2), and an outlet of the one-way electric control valve (13) is communicated with the outside of the shell (1);

the shell (1) is provided with a feeding channel (7) at both sides of the pressure cavity (2), the feeding channel (7) is communicated with the pressure applying cavity (2) through a transition channel (8), the transition channel (8) is arranged at the bottom of the two sides of the pressure application cavity (2), the shell (1) is provided with a grinding chamber (9), and the grinding chamber (9) is communicated with the feeding channel (7) and is arranged in the middle of the feeding channel (7), both sides of the top of the shell (1) are provided with driving motors (14), the output ends of the driving motors (14) are fixedly connected with driving shafts (15), the driving shaft (15) is arranged in the feeding channel (7), the upper part of the feeding channel (7) is communicated with the discharging channel (11) through the connecting channel (10), the discharging channel (11) is communicated with the outside of the shell (1) through a discharging electric control valve (12);

the grinding machine is characterized in that a rubber ring (91) is arranged in the grinding chamber (9), the outer surface of the rubber ring (91) is completely attached to the inner wall of the grinding chamber (9), grinding teeth (92) are arranged on the inner wall of the rubber ring (91), a grinding gear (93) is arranged in the rubber ring (91), and the grinding gear (93) is fixed on the driving shaft (15).