CN118122191B - Lithium ion battery slurry processing and conveying integrated system and use method - Google Patents

Abstract

The invention belongs to the technical field of battery slurry processing, and particularly relates to a lithium ion battery slurry processing and conveying integrated system, which comprises a soaking component, a material scattering component, at least two mixing components and a circulating component for communicating the soaking component and the mixing components, wherein the soaking component comprises an overflow lower tank for containing liquid materials therein and an overflow outer tank arranged outside the overflow lower tank, the upper end part of the overflow lower tank radially extends to the middle part of the overflow outer tank, the lower end part of the overflow lower tank is provided with a collecting pipe in a penetrating manner, and a valve is arranged on the collecting pipe. In the technical scheme, a circulating conveying system is formed among an overflow lower tank, an overflow outer tank, a first pipe body, a mixing tank and a second pipe body, liquid materials continuously gushed from bottom to top in the overflow lower tank carry powder materials continuously sprayed out by a spraying nozzle, the powder materials overflow from the overflow lower tank, the powder materials are collected by the overflow outer tank and conveyed into the mixing tank through the first pipe body, and a stirring mechanism stirs and mixes the mixture.

Description

Lithium ion battery slurry processing and conveying integrated system and use method

Technical Field

The invention belongs to the technical field of battery slurry processing, and particularly relates to a lithium ion battery slurry processing and conveying integrated system and a use method of the lithium ion battery slurry processing and conveying integrated system.

Background

The lithium battery slurry mainly comprises active substances, conductive agents, binders, solvents and the like, and the lithium battery slurry preparation process mainly aims at uniformly dispersing the active substances, the conductive agents, the binders and the like to obtain uniform and stable slurry for the pole piece coating process.

The raw materials of the lithium battery slurry can be divided into powder materials and liquid materials, and the powder materials are required to be put into a liquid system for uniform dispersion in the processing process. In the prior art, the effect of uniformly dispersing is generally achieved by putting all powder materials into a liquid system and adopting a subsequent stirring and mixing mode. In the operation mode, the problems of agglomeration and agglomeration of powder materials in a liquid system exist, and a large amount of time is required for stirring and mixing in order to uniformly disperse the slurry.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the following technical scheme:

The lithium ion battery slurry processing and conveying integrated system comprises a soaking component, a material scattering component, at least two mixing components and a circulating component for communicating the soaking component and the mixing components, wherein the soaking component comprises an overflow lower tank for containing liquid materials therein and an overflow outer tank arranged outside the overflow lower tank, the upper end part of the overflow lower tank radially extends to the middle part of the overflow outer tank, the lower end part of the overflow lower tank is communicated with a collecting pipe, and a valve is arranged on the collecting pipe;

The material scattering component comprises a material scattering nozzle arranged above the middle part of the overflow lower tank, and the material scattering nozzle continuously sprays powder materials; the mixing assembly comprises a mixing tank for containing liquid materials, and a stirring mechanism is arranged in the mixing tank; the circulating assembly comprises a first pipe body communicated with the bottom of the mixing tank and the bottom of the overflow outer tank, and a second pipe body communicated with the bottom of the mixing tank and the collecting pipe, and a two-way pump is arranged on the second pipe body;

The overflow lower tank is arranged in a swinging manner towards the direction of the mixing tank; the overflow lower tank is in clearance fit with the overflow outer tank, an elastic piece is arranged between the overflow lower tank and the overflow outer tank, and a hose section is arranged at the upper part of the collecting pipe;

The infiltration assembly further comprises a driving piece for driving the overflow lower tank to swing; the driving piece comprises a first plate body fixed with an external object, a second plate body fixedly sleeved outside the overflow lower tank and a spring movably sleeved outside the overflow lower tank, two ends of the spring are respectively connected with the first plate body and the second plate body, an electric push rod with a movable end propped against the two end surfaces of the first plate body is arranged on the end surface of the first plate body, and the number and the positions of the electric push rods are matched with those of the mixing assembly;

When the overflow lower tank is in a swinging position, a circulation conveying system is formed between the circulation assembly and the overflow lower tank, and when the overflow lower tank is in an initial position, a plurality of mixing tanks form the circulation conveying system through the circulation assembly and the overflow lower tank, and under the conveying effect of the bidirectional pump, the liquid materials continuously gushed from bottom to top in the overflow lower tank are carried with the scattering nozzle to continuously spray powder materials into the mixing tank for internal mixing.

As the optimization of the technical scheme, the infiltration assembly further comprises an overflow upper tank connected with the upper end part of the overflow outer tank, and a feed inlet is formed in the overflow upper tank.

As the optimization of the technical scheme, the material scattering assembly further comprises a powder tank for containing powder materials, a material conveying pipe is arranged at the lower end of the powder tank, and the material conveying pipe penetrates through the overflow upper tank and is in through connection with the material scattering spray head;

the upper portion of the mixing tank is provided with a feed inlet.

Preferably, in the above aspect, the first pipe body is spirally lowered.

As the preferable of the technical proposal, the upper end part of the overflow lower tank is provided with overflow ports I with the same number as the mixing components; the lower end part of the overflow outer tank is provided with overflow ports II the number of which is consistent with that of the mixing assembly;

the first pipe body is arranged at the position of the second overflow port.

As the optimization of the technical scheme, a steering assembly is arranged in the material collecting pipe between the hose section and the second pipe body;

The steering assembly comprises a partition plate arranged in the aggregate pipe, and a connecting line between the partition plate and the first overflow port is arranged in a non-vertical mode; the partition plate divides the interior of the collecting pipe into a first cavity and a second cavity, and a plurality of pipe bodies II are respectively communicated with the first cavity and the second cavity.

As the preferable of the technical proposal, the baffle plate rotates intermittently in the material collecting pipe;

the steering assembly further comprises a motor assembled outside the collecting pipe, the output end of the motor is connected with a long shaft, the long shaft penetrates through the collecting pipe to be assembled with the partition plate, and the long shaft is matched with the collecting pipe in a mechanical sealing mode.

The application method of the lithium ion battery slurry processing and conveying integrated system comprises the following steps,

S1, preparing materials: injecting liquid materials into the overflow lower tank and the mixing tank;

S2, preparing liquid circulation: starting a bidirectional pump, injecting liquid materials in the mixing tank into the overflow lower tank from below, rising the liquid level of the liquid materials in the overflow lower tank until the liquid materials flow out from the end part of the overflow lower tank, and then collecting and conveying the liquid materials into the mixing tank through a first pipe body, wherein the bidirectional pump continuously conveys the liquid materials to form material circulation;

S3, soaking: controlling the material spraying nozzle to continuously spray powder materials, and enabling the liquid materials continuously sprayed from the material spraying nozzle to overflow from the overflow lower tank to carry the powder materials continuously sprayed from the material spraying nozzle to overflow from the overflow lower tank;

s4, mixing: the overflow outer tank collects a mixture formed by the liquid material and the powder material, and the mixture is stirred and mixed by the stirring mechanism after entering the inside of the mixing tank through the first pipe body;

Circulating the steps S3 and S4;

S5, completely mixing: stopping material circulation, starting the bidirectional pump to convey the material in the overflow outer tank to the inside of the mixing tank, and stirring and mixing the material by the stirring mechanism.

The beneficial effects of the invention are as follows:

1. according to the battery slurry processing and conveying integrated system, a circulating conveying system is formed among an overflow lower tank, an overflow outer tank, a first pipe body, a mixing tank and a second pipe body, powder materials continuously sprayed out by a liquid material carrying and sprinkling spray nozzle continuously from bottom to top in the overflow lower tank overflow from the overflow lower tank, and enter the mixing tank through collection of the overflow outer tank and conveying of the first pipe body, and a stirring mechanism stirs and mixes the mixture;

in the process of soaking the powder material, the powder material is continuously sprayed out to contact with the circulating liquid level, so that the contact area of the powder material and the liquid material is increased, the agglomeration phenomenon is reduced, and the stirring and mixing work in the slurry processing process is reduced.

2. According to the lithium ion battery slurry processing and conveying integrated system, materials with similar dispersion difficulty are put into the same circulating conveying system according to the characteristics of materials in the lithium ion battery slurry, and stirring and mixing operations are carried out; the materials with longer mixing time and the materials with shorter mixing time are fed and mixed in batches, and then the batch of mixed materials are mixed again, so that the mixing time is further shortened, and the mixing uniformity is improved.

Drawings

Fig. 1 is a schematic diagram showing a construction of a slurry processing and transporting integrated system for lithium ion batteries in example 1;

Fig. 2 is a schematic diagram showing the internal structure of the lithium ion battery slurry processing and conveying integrated system in embodiment 1;

FIG. 3 is a schematic diagram showing the structure of the overflow lower tank and the overflow outer tank in example 1;

Fig. 4 is a schematic diagram showing the construction of the integrated system for processing and transporting lithium ion battery slurry in example 2; wherein the circulation state is a third circulation state;

FIG. 5 is a schematic view of the drive member of FIG. 4;

Fig. 6 is a schematic diagram showing a first cycle state of the lithium ion battery slurry processing and transporting integrated system in example 2;

Fig. 7 is a schematic diagram showing a second cycle state of the lithium ion battery slurry processing and transporting integrated system in example 2;

Fig. 8 is a schematic diagram showing the construction of the slurry processing and transporting integrated system for lithium ion batteries in example 3;

FIG. 9 is a schematic view of the steering assembly of FIG. 8;

fig. 10 is a schematic view showing a state of the separator in the collecting pipe in example 3.

Reference numerals: 10. a infiltration assembly; 11. overflowing the lower tank; 111. an overflow port I; 12. overflowing and loading the overflow tank; 13. an overflow outer tank; 131. an overflow port II; 14. a collecting pipe; 141. a valve; 142. a hose section; 15. an elastic member; 16. a driving member; 161. a first plate body; 162. a second plate body; 163. a spring; 164. an electric push rod; 20. a spreading component; 21. a powder tank; 22. a material conveying pipe; 23. a material spreading spray head; 30. a mixing assembly; 31. a mixing tank; 32. a stirring mechanism; 40. a circulation assembly; 41. a first pipe body; 42. a second pipe body; 421. a bi-directional pump; 50. a steering assembly; 51. a partition plate; 52. a first cavity; 53. a second cavity; 54. a motor; 55. a long axis.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.

Example 1

The lithium ion battery slurry processing and conveying integrated system comprises a soaking component 10, a material scattering component 20, at least two mixing components 30 and a circulating component 40 which is communicated with the soaking component 10 and the mixing components 30, wherein the soaking component 10 comprises an overflow lower tank 11 for containing liquid materials inside and an overflow outer tank 13 arranged outside the overflow lower tank 11, the upper end part of the overflow lower tank 11 radially extends to the middle part of the overflow outer tank 13, a collecting pipe 14 is arranged at the lower end part of the overflow lower tank 11 in a penetrating way, and a valve 141 is arranged on the collecting pipe 14 for conveniently discharging the processed slurry;

The material scattering assembly 20 comprises a material scattering nozzle 23 arranged above the middle part of the overflow lower tank 11, and the material scattering nozzle 23 continuously sprays powder materials; the mixing assembly 30 comprises a mixing tank 31 for containing liquid materials therein, and a stirring mechanism 32 is arranged in the mixing tank 31; the circulation assembly 40 comprises a first pipe body 41 which is communicated with the bottom of the mixing tank 31 and the overflow outer tank 13, and a second pipe body 42 which is communicated with the bottom of the mixing tank 31 and the collecting pipe 14, wherein a two-way pump 421 is arranged on the second pipe body 42, and the two-way pump 421 can adopt a vortex pump, a plunger pump, a piston pump and the like;

When the overflow lower tank 11 is located at the initial position, that is, when the overflow lower tank 11 does not swing, a circulation conveying system is formed between the circulation assembly 40 and the overflow lower tank 11 by the mixing tanks 31, and under the conveying action of the bidirectional pump 421, the liquid materials continuously gushed from bottom to top in the overflow lower tank 11 carry the material scattering nozzle 23 to continuously spray out powder materials to enter the mixing tank 31 for internal mixing.

The application method of the lithium ion battery slurry processing and conveying integrated system in the technical proposal comprises the following steps,

S1, preparing materials: injecting liquid materials into the overflow lower tank 11 and the mixing tank 31;

s2, preparing liquid circulation: starting a two-way pump 421, injecting liquid materials in the mixing tank 31 into the overflow lower tank 11 from below, rising the liquid level of the liquid materials in the overflow lower tank 11 until the liquid materials flow out from the end part of the overflow lower tank 11, collecting and conveying the liquid materials into the mixing tank 31 through a first pipe 41, and continuously conveying the liquid materials by the two-way pump 421 to form material circulation;

S3, soaking: the powder spraying nozzle 23 is controlled to continuously spray powder materials, and the liquid materials continuously sprayed from bottom to top in the overflow lower tank 11 carry the powder materials continuously sprayed by the powder spraying nozzle 23 to overflow from the overflow lower tank 11;

S4, mixing: the overflow outer tank 13 collects the mixture formed by the liquid material and the powder material, the mixture enters the interior of the mixing tank 31 through the first pipe 41, and the stirring mechanism 32 stirs and mixes the mixture;

Circulating the steps S3 and S4;

S5, completely mixing: the material circulation is stopped, the bidirectional pump 421 is started to convey the material in the overflow outer tank 13 to the inside of the mixing tank 31, and the stirring mechanism 32 stirs and mixes the material.

According to the battery slurry processing and conveying integrated system in the technical scheme, a circulating conveying system is formed among an overflow lower tank 11, an overflow outer tank 13, a first pipe body 41, a mixing tank 31 and a second pipe body 42, powder materials continuously sprayed out by a liquid material carrying and spraying nozzle 23 continuously gushing out from bottom to top in the overflow lower tank 11 overflow from the overflow lower tank 11, are collected by the overflow outer tank 13, are conveyed into the mixing tank 31 by the first pipe body 41, and are stirred and mixed by a stirring mechanism 32;

in the process of soaking the powder material, the powder material is continuously sprayed out to contact with the circulating liquid level, so that the contact area of the powder material and the liquid material is increased, the agglomeration phenomenon is reduced, and the stirring and mixing work in the slurry processing process is reduced.

As shown in fig. 2, the infiltration assembly 10 further includes an overflow upper tank 12 connected to the upper end of the overflow outer tank 13, and the overflow lower tank 11, the overflow upper tank 12 and the overflow outer tank 13 form a complete overflow tank body, and the overflow upper tank 12 is arranged to prevent powder materials from overflowing during spraying, and meanwhile, for convenience in feeding, a feed inlet is formed in the overflow upper tank 12.

As shown in fig. 1 and 2, the spreading component 20 further comprises a powder tank 21 for containing powder materials, the powder tank 21 pre-stores the powder materials, a conveying pipe 22 is arranged at the lower end of the powder tank 21, and the conveying pipe 22 penetrates through the overflow upper tank 12 and is in through connection with a spreading spray head 23; meanwhile, in order to facilitate the feeding operation, a feed inlet is provided at the upper part of the mixing tank 31.

In order to further reduce the mixing time, as shown in fig. 1 and 2, the first tube 41 is spirally lowered; in the process of being conveyed to the mixing tank 31 by the overflow outer tank 13, the materials are diverted in the first pipe body 41 for multiple times, so that the contact of the powder materials and the liquid materials is promoted, premixing is carried out before the materials enter the mixing tank 31, and the mixing time is shortened.

As shown in fig. 1, 2 and 3, in order to facilitate the collecting operation of the materials, the upper end of the overflow lower tank 11 is provided with overflow ports 111, the number of which is consistent with that of the mixing assembly 30; the material in the overflow lower tank 11 overflows to the inside of the overflow outer tank 13 through the overflow port one 111.

In order to facilitate the collecting operation of the materials, the lower end part of the overflow outer tank 13 is provided with overflow ports II 131 with the same number as the mixing assembly 30, and the overflow ports II 131 are arranged; the material inside the overflow outer tank 13 flows into the inside of the first tube 41 through the overflow port two 131. The positions of the overflow port one 111 and the overflow port two 131 may be identical or not identical as shown in fig. 3. The arrangement of the overflow port one 111 and the overflow port two 131 controls the flow direction of the materials, and has the effect of diversion, so that the materials flow into different mixing assemblies 30 through the circulating assemblies 40 respectively.

Example 2

In addition, from example 1, as shown in fig. 4, 6 and 7, the overflow lower tank 11 is provided in a swing manner in the direction of the mixing tank 31; the overflow lower tank 11 is in clearance fit with the overflow outer tank 13, an elastic piece 15 is arranged between the overflow lower tank 11 and the overflow outer tank 13, the elastic piece 15 ensures the sealing fit between the overflow lower tank 11 and the overflow outer tank 13, and materials are prevented from overflowing from the clearance between the overflow lower tank 11 and the overflow outer tank 13; meanwhile, in order to adapt to the swinging requirement of the overflow lower tank 11, a hose section 142 is arranged at the upper part of the collecting pipe 14, and the hose section 142 deforms when the overflow lower tank 11 swings.

Wherein, when jar 11 is in the swing position under the overflow, the compounding jar 31 that corresponds forms circulation conveying system under with jar 11 under the overflow through circulation subassembly 40, and jar 11 is located the initial position under the overflow, and a plurality of compounding jar 31 are through circulation subassembly 40 and overflow between jar 11 under the circulation conveying system under the circulation subassembly, under the effect of two-way pump 421 transport, continuously from bottom to top gushes out liquid material in the overflow jar 11 carry spill material shower nozzle 23 continuously spout powder material entering mixing jar 31 internal mix.

As shown in fig. 6, when the overflow lower tank 11 swings to the left mixing tank 31, the overflow lower tank 11, the first left pipe 41, the left mixing tank 31, and the second left pipe 42 form a first circulation conveying system, the circulation state of the material is the first circulation state with reference to the direction of the arrow, at this time, the left bi-directional pump 421 is opened, and the right bi-directional pump 421 is closed;

As shown in fig. 7, when the overflow lower tank 11 swings to the right mixing tank 31, the overflow lower tank 11, the right first pipe 41, the right mixing tank 31, and the right second pipe 42 form a second circulation conveying system, the circulation state of the material is the second circulation state with reference to the direction of the arrow, at this time, the left bi-directional pump 421 is closed, and the right bi-directional pump 421 is opened;

as shown in fig. 4, when the overflow down tank 11 does not swing, the overflow down tank 11, the first side pipe body 41, the mixing tank 31 at both sides, and the second side pipe body 42 form a third circulation conveying system, the circulation state of the material is the third circulation state, and the reference arrow points to the two-way pumps 421 at the moment are opened.

The application method of the lithium ion battery slurry processing and conveying integrated system comprises the following steps of 1, adjusting the system to a first circulation state, and sequentially carrying out the steps of S1, material preparation, S2, liquid circulation preparation, S3, infiltration, S4, mixing and S5, and completely mixing on materials with long mixing time in the embodiment 1;

2. the operation of mixing and stirring the materials is continuously carried out in the left mixing tank 31, the system is adjusted to a second circulation state, and the materials with shorter mixing time are sequentially subjected to the steps of S1, material preparation, S2, liquid circulation preparation, S3, infiltration, S4, mixing and S5, and complete mixing in the embodiment 1;

3. The system was adjusted to a third circulation state and the steps of s4, mixing, s5, complete mixing in example 1 were performed.

According to the lithium ion battery slurry processing and conveying integrated system, materials with similar dispersion difficulty are put into the same circulating conveying system according to the characteristics of materials in the lithium ion battery slurry, and stirring and mixing operations are carried out; the materials with longer mixing time and the materials with shorter mixing time are fed and mixed in batches, and then the batch of mixed materials are mixed again, so that the mixing time is further shortened, and the mixing uniformity is improved.

In order to solve the requirement of swing arrangement of the overflow lower tank 11, as shown in fig. 4 and 5, a driving piece 16 for driving the overflow lower tank 11 to swing is arranged outside the overflow lower tank 11; the driving member 16 comprises a first plate body 161 fixed with an external object, a second plate body 162 fixedly sleeved outside the overflow lower tank 11 and a spring 163 movably sleeved outside the overflow lower tank 11, two ends of the spring 163 are respectively connected with the first plate body 161 and the second plate body 162, an electric push rod 164 with a movable end propped against the end face of the second plate body 162 is arranged on the end face of the first plate body 161, and the number and the positions of the electric push rods 164 are matched with those of the mixing assembly 30.

When the overflow lower tank 11 needs to swing, the driving member 16 is controlled to adjust according to the swinging direction, for example, when the overflow lower tank 11 needs to be controlled to deflect leftwards as shown in fig. 4, that is, when the left overflow port one 111 needs to discharge material, the right electric push rod 164 is controlled to extend, and the left electric push rod 164 is controlled to shorten; when the overflow lower tank 11 is required to be controlled to deflect rightward, that is, when the overflow port one 111 is required to discharge material, the electric push rod 164 on the left side is controlled to extend, and the electric push rod 164 on the right side is controlled to shorten.

When the overflow lower tank 11 is controlled to swing, the spring 163 deforms, and the arrangement of the spring 163 assists the overflow lower tank 11 to reset and plays a supporting role on the overflow lower tank 11; the power piece sets up to electric putter 164, and electric putter 164's quantity can set up according to the quantity of mixing assembly 30, adapts to the diversified swing of jar 11 under the overflow, increases this device's application scope.

Example 3

Referring to embodiment 2, as shown in fig. 8, 9 and 10, a steering assembly 50 is disposed inside the collecting pipe 14 between the hose segment 142 and the second pipe 42;

The steering assembly 50 comprises a baffle plate 51 arranged in the collecting pipe 14, wherein the connecting line between the baffle plate 51 and the two overflow ports 111 is arranged in a non-vertical mode, and is not arranged in a 90-degree crossed mode or in a parallel mode; the partition plate 51 divides the interior of the collecting tube 14 into a first cavity 52 and a second cavity 53, and a plurality of tube bodies 42 are respectively communicated with the first cavity 52 and the second cavity 53.

In the technical scheme of the lithium ion battery slurry processing and conveying integrated system, the steering assembly 50 is arranged to further improve the mixing effect of materials, and the steering assembly 50 is more suitable for a mixture with a certain concentration after powder materials and liquid materials are mixed;

The material to be transported is left and right distributed in the aggregate pipe 14 and the overflow lower tank 11 because of the distribution of the material mixing tank 31 on both sides of the overflow lower tank 11, namely, the problem that the material output by one side of the material mixing tank 31 is input into the raw material mixing tank 31 again exists, the arrangement of the steering assembly 50 changes the material originally distributed in the left and right direction into the front and rear direction distribution, the material after the change flows into the inside of the material mixing tank 31 in the overflow lower tank 11 left and right, namely, the material flowing out from the lower end of one material mixing tank 31 flows into the material mixing tank 31 with different flow directions through the steering, and the uniformity of the material mixing of the circulating transportation is improved.

To further improve the mixing effect and save the processing time, as shown in fig. 9, the partition plate 51 intermittently rotates inside the collecting pipe 14; the baffle plate 51 is intermittently and rotatably arranged in the material collecting pipe 14 to turn the materials conveyed into the area of the baffle plate 51, so that the mixing degree of the materials is further improved.

In order to solve the requirement that the partition plate 51 intermittently rotates in the material collecting pipe 14, the steering assembly 50 further comprises a motor 54 assembled outside the material collecting pipe 14, the output end of the motor 54 is connected with a long shaft 55, the long shaft 55 penetrates through the material collecting pipe 14 to be assembled with the partition plate 51, and the long shaft 55 is in mechanical sealing fit with the material collecting pipe 14; the motor 54 is operated at a timing, and the motor 54 is started after a period of time, for example, 5s,10s, and the motor 54 is started to drive the partition plate 51 to rotate 180 degrees through the long shaft 55.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.

Claims (8)

1. The lithium ion battery slurry processing and conveying integrated system comprises a soaking component, a material scattering component, at least two mixing components and a circulating component for communicating the soaking component and the mixing components, and is characterized in that the soaking component comprises an overflow lower tank for containing liquid materials inside and an overflow outer tank arranged outside the overflow lower tank, the upper end part of the overflow lower tank radially extends to the middle part of the overflow outer tank, a collecting pipe is arranged at the lower end part of the overflow lower tank in a penetrating manner, and a valve is arranged on the collecting pipe;

The material scattering component comprises a material scattering nozzle arranged above the middle part of the overflow lower tank, and the material scattering nozzle continuously sprays powder materials; the mixing assembly comprises a mixing tank for containing liquid materials, and a stirring mechanism is arranged in the mixing tank; the circulating assembly comprises a first pipe body communicated with the bottom of the mixing tank and the bottom of the overflow outer tank, and a second pipe body communicated with the bottom of the mixing tank and the collecting pipe, and a two-way pump is arranged on the second pipe body;

The overflow lower tank is arranged in a swinging manner towards the direction of the mixing tank; the overflow lower tank is in clearance fit with the overflow outer tank, an elastic piece is arranged between the overflow lower tank and the overflow outer tank, and a hose section is arranged at the upper part of the collecting pipe;

The infiltration assembly further comprises a driving piece for driving the overflow lower tank to swing; the driving piece comprises a first plate body fixed with an external object, a second plate body fixedly sleeved outside the overflow lower tank and a spring movably sleeved outside the overflow lower tank, two ends of the spring are respectively connected with the first plate body and the second plate body, an electric push rod with a movable end propped against the two end surfaces of the first plate body is arranged on the end surface of the first plate body, and the number and the positions of the electric push rods are matched with those of the mixing assembly;

When the overflow lower tank is in a swinging position, a circulation conveying system is formed between the circulation assembly and the overflow lower tank, and when the overflow lower tank is in an initial position, a plurality of mixing tanks form the circulation conveying system through the circulation assembly and the overflow lower tank, and under the conveying effect of the bidirectional pump, the liquid materials continuously gushed from bottom to top in the overflow lower tank are carried with the scattering nozzle to continuously spray powder materials into the mixing tank for internal mixing.

2. The integrated lithium ion battery slurry processing and conveying system according to claim 1, wherein the infiltration assembly further comprises an overflow upper tank connected with the upper end of the overflow outer tank, and a feed inlet is arranged on the overflow upper tank.

3. The integrated processing and conveying system for lithium ion battery slurry according to claim 2, wherein the material scattering component further comprises a powder tank for containing powder materials, a conveying pipe is arranged at the lower end of the powder tank, and the conveying pipe penetrates through the overflow upper tank and is in through connection with the material scattering spray head;

the upper portion of the mixing tank is provided with a feed inlet.

4. The integrated lithium ion battery slurry processing and transporting system according to claim 1, wherein the first pipe body descends in a spiral shape.

5. The integrated lithium ion battery slurry processing and conveying system according to claim 1, wherein the upper end part of the overflow lower tank is provided with overflow ports I with the same number as the mixing assembly; the lower end part of the overflow outer tank is provided with overflow ports II the number of which is consistent with that of the mixing assembly;

the first pipe body is arranged at the position of the second overflow port.

6. The integrated lithium ion battery slurry processing and conveying system according to claim 1, wherein a steering assembly is arranged in the aggregate pipe between the hose section and the second pipe body;

The steering assembly comprises a partition plate arranged in the aggregate pipe, and a connecting line between the partition plate and the first overflow port is arranged in a non-vertical mode; the partition plate divides the interior of the collecting pipe into a first cavity and a second cavity, and a plurality of pipe bodies II are respectively communicated with the first cavity and the second cavity.

7. The integrated lithium ion battery slurry processing and conveying system according to claim 6, wherein the separator rotates intermittently inside the collecting pipe;

the steering assembly further comprises a motor assembled outside the collecting pipe, the output end of the motor is connected with a long shaft, the long shaft penetrates through the collecting pipe to be assembled with the partition plate, and the long shaft is matched with the collecting pipe in a mechanical sealing mode.

8. The method for using the integrated system for processing and conveying lithium ion battery slurry according to any one of the claims 1to 7, comprising the following steps,

S1, preparing materials: injecting liquid materials into the overflow lower tank and the mixing tank;

S2, preparing liquid circulation: starting a bidirectional pump, injecting liquid materials in the mixing tank into the overflow lower tank from below, rising the liquid level of the liquid materials in the overflow lower tank until the liquid materials flow out from the end part of the overflow lower tank, and then collecting and conveying the liquid materials into the mixing tank through a first pipe body, wherein the bidirectional pump continuously conveys the liquid materials to form material circulation;

S3, soaking: controlling the material spraying nozzle to continuously spray powder materials, and enabling the liquid materials continuously sprayed from the material spraying nozzle to overflow from the overflow lower tank to carry the powder materials continuously sprayed from the material spraying nozzle to overflow from the overflow lower tank;

s4, mixing: the overflow outer tank collects a mixture formed by the liquid material and the powder material, and the mixture is stirred and mixed by the stirring mechanism after entering the inside of the mixing tank through the first pipe body;

Circulating the steps S3 and S4;

S5, completely mixing: stopping material circulation, starting the bidirectional pump to convey the material in the overflow outer tank to the inside of the mixing tank, and stirring and mixing the material by the stirring mechanism.