CN218924787U

CN218924787U - Dust collection device for crude lithium carbonate pretreatment

Info

Publication number: CN218924787U
Application number: CN202223201284.XU
Authority: CN
Inventors: 刘军; 马绍斌; 肖聪
Original assignee: Sichuan State Lithium Materials Co ltd
Current assignee: Sichuan State Lithium Materials Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the field of coarse lithium carbonate processing, and discloses a dust collection device for coarse lithium carbonate pretreatment, which comprises a crusher shell, wherein the top of the crusher shell is provided with a feed inlet for delivering raw materials, the bottom of the feed inlet is provided with a baffle, a crusher device is arranged in the crusher shell below the baffle, the bottom of the crusher shell below the crusher device is provided with a material guide plate which is obliquely arranged, a hot air blower is arranged on the crusher shell above the material guide plate, and the top of the crusher shell at one side of the crusher device is provided with an exhaust pipe. According to the utility model, the hot air blower is arranged on the material guide plate, the scattered dust and the dust attached to the surface of the raw material are discharged from the exhaust pipe by utilizing the air blower blown by the hot air blower, so that the preparation of the raw material of coarse lithium carbonate can be greatly improved, the post-treatment is facilitated, meanwhile, the hot air blown by the hot air blower moves towards, and the dust can be ensured to go upwards by utilizing the cooperation of the hot air blower and the hot air blower.

Description

Dust collection device for crude lithium carbonate pretreatment

Technical Field

The utility model relates to the field of coarse lithium carbonate processing, in particular to a dust collection device for coarse lithium carbonate pretreatment.

Background

Lithium hydroxide is a raw material for producing battery-grade lithium carbonate, and lithium hydroxide is prepared from a crude lithium carbonate raw material through size mixing, hydrogenation, pyrolysis, drying, crushing and demagnetizing, wherein the crude lithium carbonate raw material mainly comprises spodumene, lepidolite and other ores, dust in the crude lithium carbonate raw material is required to be cleaned before the production of the conventional crude lithium carbonate raw material, the concentration of the crude lithium carbonate can be ensured, the subsequent normal production can be ensured, the conventional dust cleaning is in a flushing mode, but the conventional dust cleaning mode can cause the crude lithium carbonate to be melted to produce a large amount of wastewater, and the raw material is required to be dried after flushing, so that the proportion of the later ingredients can be ensured, and therefore, the dust in the raw material needs to be removed by equipment capable of effectively collecting dust from the crude lithium carbonate raw material.

Disclosure of Invention

The utility model aims to provide a dust collection device for pretreatment of crude lithium carbonate, which can conveniently clean dust on the crude lithium carbonate and can control the particle size of the crude lithium carbonate.

The utility model aims at realizing the following technical scheme:

the utility model provides a dust arrester installation for crude lithium carbonate preliminary treatment, includes the breaker shell, breaker shell top is equipped with the feed inlet of delivering the raw materials, and the feed inlet bottom is equipped with the baffle, installs breaker in the breaker shell of baffle below, and breaker shell bottom of breaker below is equipped with the stock guide that the slope set up, installs the air heater on the breaker shell of stock guide top, and blast pipe is installed at breaker shell top of breaker one side.

The crushing device comprises three crushing rollers and supporting seats for supporting the three crushing rollers, the supporting seats are arranged on the inner walls of the crusher shells at the two ends of the crushing rollers, the heights among the three crushing rollers are sequentially reduced, the crushing rollers at the two ends are rotatably arranged in the crusher shells, one end of the crushing roller at the middle part penetrates through the crusher shells and then is connected with a driving motor, and the distance between the adjacent crushing rollers is adjustable.

The guide plate is arranged along the height of the crushing device in an inclined mode, and a plurality of air deflectors are sequentially arranged on the guide plate along the length direction.

And a vertical through diversion trench is processed in the supporting seat.

The dust collection device for the crude lithium carbonate pretreatment has the beneficial effects that:

(1) The hot air blower is arranged on the material guide plate, the scattered dust and the dust attached to the surface of the raw material are discharged from the exhaust pipe by utilizing the air blown by the hot air blower, so that the preparation of the raw material of coarse lithium carbonate can be greatly improved, the post-treatment is facilitated, meanwhile, the hot air blown by the hot air blower moves towards the direction, and the dust can be ensured to go upwards by utilizing the cooperation of the hot air blower and the hot air blower;

(2) By arranging the crushing device, the raw material of the coarse lithium carbonate can be crushed into small-particle-size particles, dust attached to the raw material can fall from the raw material in the crushing process, and the raw material is lifted under the action of the hot air blower;

(3) The air direction blown by the air heater can be adjusted by arranging the material guide plate and arranging the air deflector on the material guide plate so as to blow upwards, thereby driving dust to go upwards and being convenient for separating out the dust in the raw materials;

(4) Through setting up vertical guiding gutter in the supporting seat, utilize the guiding gutter can accelerate the speed that the dust was blown to can in time discharge the dust, in order to reduce the attached dust content in the raw materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present utility model.

Fig. 2 is a schematic view of an internal structure of another view according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a usage state according to an embodiment of the present utility model.

Reference numerals: 1. a crusher housing; 2. a feed inlet; 3. a baffle; 4. a crushing device; 41. a crushing roller; 42. a support base; 43. a driving motor; 44. a diversion trench; 5. a material guide plate; 51. an air deflector; 6. an air heater; 7. and an exhaust pipe.

Detailed Description

Examples

As shown in fig. 1 to 3, the dust collecting device for coarse lithium carbonate pretreatment provided by the embodiment comprises a crusher housing 1, wherein a feeding port 2 for feeding raw materials is arranged at the top of the crusher housing 1, a baffle 3 is arranged at the bottom of the feeding port 2, the baffle 3 can control the feeding speed by controlling the opening and closing states so as to ensure the conveying efficiency of the raw materials, a crushing device 4 is arranged in the crusher housing 1 below the baffle 3, the crushing device 4 is used for crushing the raw materials into a small particle size state so as to facilitate the post-treatment of the raw materials, the crushing device 4 comprises three crushing rollers 41 and supporting seats 42 for supporting the three crushing rollers 41, the supporting seats 42 are arranged on the inner walls of the crusher housing 1 at two ends of the crushing rollers 41, the heights among the three crushing rollers 41 are sequentially reduced, the crushing rollers 41 positioned at the two ends are rotatably arranged in the crusher housing 1, one end of the crushing roller 41 positioned in the middle part is connected with a driving motor 43 after passing through the crusher shell 1, the driving motor 43 drives the crushing roller 41 positioned in the middle part to rotate towards the lower crushing roller 41, the distance between the adjacent crushing rollers 41 is adjustable so as to adapt to crushing requirements of different types of raw materials, the bottom of the crusher shell 1 below the crushing device 4 is provided with a obliquely arranged guide plate 5, the guide plate 5 is used for conveying out raw materials, the guide plate 5 is obliquely arranged along the height of the crushing device 4, the crusher shell 1 above the guide plate 5 is provided with a hot air blower 6, the guide plate 5 is sequentially provided with a plurality of air deflectors 51 along the length direction, the hot air blower 6 is used for blowing hot air into the crusher shell 1, under the action of the air deflectors 51, dust is controlled to move upwards along with the hot air during blowing, and meanwhile, the hot air blown by the hot air blower 6 also drives the dust to move upwards, thereby place breaker shell 1 upper portion with the dust, breaker 4 one side breaker shell 1 top is installed blast pipe 7, and blast pipe 7 is used for discharging hot-blast, simultaneously under the effect of baffle 3, can block the air that carries the dust, makes the dust discharge from blast pipe 7, and the hot-blast drying of still can drying the raw materials of hot-blast fan 6 blowout in addition to guarantee the accurate of later stage batching.

In order to ensure smooth scattering of dust, the supporting seat 42 is internally provided with a vertically penetrating guide groove 44, and the guide groove 44 forms a flow channel of ascending gas so as to facilitate discharge of dust and fine particle raw materials.

The application method of the utility model is as follows:

during the use, utilize grab bucket to send into raw lithium carbonate raw materials into feed inlet 2, under the control of baffle 3, it is broken to get rid of the raw materials into breaker 4, simultaneously hot-blast machine 6 starts, hot-blast machine 6 carries hot-blast to breaker shell 1 in, hot-blast one side drives the dust and goes upward, hot-blast still has the effect of drying the raw materials simultaneously, when breaker 4 is broken, driving motor 43 drives the crushing roller 41 that is located the middle part and rotates, the raw materials is broken, during the breakage, the raw materials become the volume of small particle diameter by the volume of big, the dust of adhesion on the raw materials is shaken off simultaneously, and follow hot-blast follow-up hot-blast discharge from blast pipe 7, thereby accomplish the dust collecting treatment to the raw materials, its water content of raw materials after hot-blast drying also can reduce, can effectively guarantee the precision of follow-up batching process, thereby guarantee the purity of the lithium hydroxide of raw materials preparation.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and that descriptions of well-known components and processing techniques and procedures are omitted so as not to unnecessarily limit the present utility model.

Claims

1. The utility model provides a crude lithium carbonate preprocessing is with dust arrester installation which characterized in that: including the breaker shell, breaker shell top is equipped with the feed inlet of delivering the raw materials, and the feed inlet bottom is equipped with the baffle, installs breaker in the breaker shell of baffle below, and the breaker shell bottom of breaker below is equipped with the stock guide that the slope set up, installs the air heater on the stock guide top breaker shell, and blast pipe is installed at breaker one side breaker shell top.

2. The dust collecting device for pretreatment of crude lithium carbonate according to claim 1, wherein: the crushing device comprises three crushing rollers and supporting seats for supporting the three crushing rollers, the supporting seats are arranged on the inner walls of the crusher shells at the two ends of the crushing rollers, the heights among the three crushing rollers are sequentially reduced, the crushing rollers at the two ends are rotatably arranged in the crusher shells, one end of the crushing roller at the middle part penetrates through the crusher shells and then is connected with a driving motor, and the distance between the adjacent crushing rollers is adjustable.

3. The dust collecting device for crude lithium carbonate pretreatment according to claim 2, wherein: the guide plate is arranged along the height of the crushing device in an inclined mode, and a plurality of air deflectors are sequentially arranged on the guide plate along the length direction.

4. The dust collecting device for crude lithium carbonate pretreatment according to claim 2, wherein: and a vertical through diversion trench is processed in the supporting seat.