CN213102659U

CN213102659U - Airflow screen with drying function for lithium manganate powder production

Info

Publication number: CN213102659U
Application number: CN202021131343.9U
Authority: CN
Inventors: 刘庆国; 刘兴礼; 何立强; 李增平
Original assignee: Zhaoxian Qiangneng Power Supply Co ltd
Current assignee: Zhaoxian Qiangneng Power Supply Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-05-04
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses an air flow sieve for producing lithium manganate powder with drying function, belonging to the technical field of lithium manganate powder production, comprising a drying chamber, a plurality of guide plates, a crushing roller, a screening net, a cam, a material pumping pump and a dust suction fan, wherein a charging opening is arranged in the middle of the upper part of the drying chamber; a feeding mechanism is arranged below the drying chamber, and a screening chamber is arranged on the right side of the feeding mechanism; a screening net is arranged in the screening chamber; and a third motor is installed below the left side of the screening chamber, and a third rotating shaft is installed on the right side of the third motor. The utility model discloses a dust absorption pipe that sets up and dust absorption fan's cooperation are used and can be absorbed the dust material that produces in the crushing process to carry in the screening room, can prevent that the dust material from spilling over the polluted environment through the charge door, can improve the utilization ratio of raw materials simultaneously.

Description

Airflow screen with drying function for lithium manganate powder production

Technical Field

The utility model belongs to the technical field of lithium manganate powder production, specifically a lithium manganate powder production air current sieve with drying function.

Background

The lithium manganate is a positive electrode material for lithium battery production, and has the advantages of abundant resources, low cost, no pollution, good safety, good rate capability and the like. Lithium manganate powder need sieve the powder through the air current sieve in process of production, the air current sieve is a kind of equipment that is used for sieving the powder, the current air current sieve that is used for lithium manganate generally is that the screen section of thick bamboo of directly pouring the material into the air current sieve is sieved in, but the material of sieving is moist occasionally, can the adhesion on the surface of air current sieve screen cloth, block up the screen cloth of air current sieve, the effect of screening is finally influenced, the granule of some materials is great simultaneously, can't the screen cloth, directly discharge as the waste residue, the waste of a resource has been caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium manganate powder production air current sieve with drying function to solve the problem that provides in the above-mentioned background art.

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

an airflow sieve with a drying function for lithium manganate powder production comprises a drying chamber, guide plates, crushing rollers, a feeding auger, a screening net, a cam, a material pumping pump and a dust suction fan, wherein a feeding port is formed in the middle of the upper part of the drying chamber, a plurality of guide plates are arranged on the inner walls of the left side and the right side of the drying chamber in a staggered manner, electric heating plates are arranged on the guide plates, two first rotating shafts are symmetrically arranged below the inner part of the drying chamber in a bilateral manner, a first motor is arranged on each of the rear sides of the first rotating shafts, and the crushing rollers are arranged on the first rotating shafts; a feeding mechanism is arranged below the drying chamber, a screening chamber is arranged on the right side of the feeding mechanism, a second motor is arranged on the left side of the feeding mechanism, and a second rotating shaft is arranged on the right side of the second motor; a screening net is arranged in the screening chamber; and a third motor is installed below the left side of the screening chamber, and a third rotating shaft is installed on the right side of the third motor.

As a further aspect of the present invention: the wall body of drying chamber installs the heat preservation in, and the cleaning brush is installed to the below of drying chamber left and right sides inner wall.

As a further aspect of the present invention: and a dust suction pipe is arranged above the right side of the drying chamber, and a dust suction fan is arranged on the dust suction pipe.

As a further aspect of the present invention: a recovery tank is arranged below the right side of the screening net, a recovery pipe is installed on the right side of the recovery tank, and a material pumping pump is installed on the recovery pipe.

As a further aspect of the present invention: a plurality of cams are uniformly arranged on the third rotating shaft from left to right, and a discharge hole is formed in the middle of the lower portion of the sieving chamber.

As a further aspect of the present invention: and the second rotating shaft is provided with a feeding auger and a plurality of wind wheels from left to right.

Compared with the prior art, the beneficial effects of the utility model are that: the retention time and the stroke of the materials in the drying chamber can be increased through the arranged guide plate, so that the materials are dried more fully; the large-particle materials can be crushed by the arranged crushing roller, so that the screening effect is better; through the matching use of the arranged recovery tank, the material pumping pump and the recovery pipe, large-particle materials in the screening chamber can be crushed for the second time, so that the materials can be circularly screened, and the utilization rate of raw materials is improved; the dust absorption pipe that uses through the cooperation of the dust absorption fan that sets up can absorb the dust material that produces in the crushing process to carry the screening indoor, can prevent that the dust material from spilling over the polluted environment through the charge door, can improve the utilization ratio of raw materials simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an airflow sieve for producing lithium manganate powder with a drying function.

FIG. 2 is a schematic top sectional view of a crushing roller in an airflow screen for producing lithium manganate powder with drying function.

Fig. 3 is a schematic top view cross-sectional structure of a flow guide plate in an airflow screen for lithium manganate powder production, which has a drying function.

In the figure: 1. a drying chamber; 2. a feed inlet; 3. a baffle; 4. an electric hot plate; 5. a heat-insulating layer; 6. a first rotating shaft; 7. a first motor; 8. a crushing roller; 9. cleaning a brush; 10. a feeding mechanism; 11. a second motor; 12. a second rotating shaft; 13. a feeding auger; 14. a first supporting leg; 15. a screening chamber; 16. a wind wheel; 17. screening the net; 18. a third motor; 19. a third rotating shaft; 20. a second support leg; 21. a cam; 22. a discharge port; 23. a recovery tank; 24. a recovery pipe; 25. a material pumping pump; 26. a dust collection pipe; 27. dust collection fan.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, an air flow sieve for producing lithium manganate powder with drying function comprises a drying chamber 1, a flow guide plate 3, a crushing roller 8, a feeding auger 13, a sieving net 17, a cam 21, a material pumping pump 25 and a dust suction fan 27; the middle of the upper part of the drying chamber 1 is provided with a feed inlet 2, a plurality of guide plates 3 are arranged on the inner walls of the left side and the right side of the drying chamber 1 in a staggered manner, an electric heating plate 4 is arranged on each guide plate 3, the flow and the residence time of materials in the drying chamber 1 can be increased through the arranged guide plates 3, the materials are dried more fully, a heat preservation layer 5 is arranged in the wall body of the drying chamber 1, the heat preservation layer 5 is made of heat preservation cotton, the heat preservation effect on the drying chamber 1 can be achieved through the arrangement of the heat preservation layer 5, the heat loss to the outside is reduced, the drying is more efficient, two first rotating shafts 6 are symmetrically arranged below the inside of the drying chamber 1 in the left-right direction, first motors 7 are arranged on the rear sides of the first rotating shafts 6, the rotating directions of the first motors 7 on the left side and the right side are opposite, crushing rollers 8 are, make the screening effect better, cleaning brush 9 is installed to the below of the 1 left and right sides inner wall of drying chamber, and cleaning brush 9 of the left and right sides contacts with crushing roller 8 respectively, can clear up the surface of crushing roller 8 through setting up cleaning brush 9, prevents that the material from gluing on crushing roller 8 to influence the result of use of crushing roller 8.

Feeding mechanism 10 is installed to the below of drying chamber 1, feeding mechanism 10's top and drying chamber 1 intercommunication, screening chamber 15 is installed on feeding mechanism 10's right side, second motor 11 is installed in feeding mechanism 10's left side, second pivot 12 is installed on second motor 11's right side, bearing frame and screening chamber 15's right side inner wall connection is passed through to the right side of second pivot 12, install pay-off auger 13 and a plurality of wind wheel 16 respectively from a left side to the right side in second pivot 12, pay-off auger 13 is located feeding mechanism 10, a plurality of wind wheel 16 equipartitions set up in screening chamber 15, through setting up the interior feed of pay-off auger 13 can be even to screening chamber 15, can guarantee the continuation of screening, first supporting legs 14 is all installed to left front and back both sides in feeding mechanism 10 below, four second supporting legs 20 are installed to screening chamber 15's below equipartition.

The screening chamber 15 is internally provided with a screening net 17, the lower part of the screening net 17 is obliquely arranged with the left side higher than the right side, the right side lower part of the screening net 17 is provided with a recovery tank 23, the right side of the recovery tank 23 is provided with a recovery pipe 24, the recovery pipe 24 is provided with a material pumping pump 25, the left side above the recovery pipe 24 is connected to the middle of the right side of the drying chamber 1, the screening net 17 is obliquely arranged to enable large-particle materials in the screening process to fall into the recovery tank 23 under the action of self gravity, then the large-particle materials are conveyed into the drying chamber 1 again under the action of the material pumping pump 25, the crushing roller 8 is used for secondary crushing treatment to enable the materials to be circularly screened, the utilization rate of raw materials is improved, the right side upper part of the drying chamber 1 is provided with a dust suction pipe 26, the dust suction fan 27 is arranged on the dust suction pipe 26, the right side lower part of, the dust material that produces in the crushing process can be absorbed through the cooperation use of the dust absorption pipe 26 that sets up and dust absorption fan 27 to carry in the screening room 15, can prevent that the dust material from spilling over the polluted environment through charge door 2, can improve the utilization ratio of raw materials simultaneously.

Third motor 18 is installed to screening room 15's left side below, third pivot 19 is installed on third motor 18's right side, a plurality of cams 21 are installed to the equipartition from left to right on the third pivot 19, opposite direction between two adjacent cams 21 about, and reduce gradually from a left side to right cam 21's size, make every cam 21 keep the same with the distance of screening net 17 below, can hit the screening net 17 through the cam 21 that sets up, make screening net 17 vibrations, prevent that the material from leading to screening net 17 to block up on attaching to screening net 17, be provided with discharge gate 22 in the middle of the below of screening room 15.

The utility model discloses a theory of operation is: firstly, materials to be screened are added into a drying chamber 1 through a feed inlet 2, the materials are heated and dried through an electric heating plate 4, a first motor 7 drives a first rotating shaft 6 to rotate, the first rotating shaft 6 drives a crushing roller 8 to rotate, the crushing roller 8 crushes the dried materials, large-particle materials are crushed, meanwhile, dust materials generated in the crushing process are conveyed into a screening chamber 15 through a dust suction pipe 26 under the action of a dust suction fan 27, a second rotating shaft 12 is driven to rotate through a second motor 11, a feeding auger 13 is driven to rotate by the second rotating shaft 12, the feeding auger 13 conveys the materials into the screening chamber 15 from left to right, a wind wheel 16 sieves the materials, the large-particle materials in the screening process fall into a recovery tank 23 under the action of self gravity, the large-particle materials in the recovery tank 23 are conveyed into the drying chamber 1 again under the action of a material suction pump 27, carry out secondary crushing processing through crushing roller 8, drive third pivot 19 through third motor 18 and rotate, third pivot 19 drives cam 21 and rotates, and cam 21 hits beating to screening net 17, and the screening is accomplished the back, carries out the ejection of compact through discharge gate 22.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The airflow sieve with the drying function for producing the lithium manganate powder comprises a drying chamber (1), guide plates (3), crushing rollers (8), a feeding auger (13), a screening net (17), a cam (21), a material pumping pump (25) and a dust suction fan (27), and is characterized in that a feeding opening (2) is formed in the middle of the upper portion of the drying chamber (1), a plurality of guide plates (3) are installed on the inner walls of the left side and the right side of the drying chamber (1) in a staggered mode, electric heating plates (4) are installed on the guide plates (3), two first rotating shafts (6) are symmetrically arranged below the interior of the drying chamber (1) in a bilateral mode, first motors (7) are installed on the rear sides of the first rotating shafts (6), and the crushing rollers (8) are installed on the first rotating shafts (6); a feeding mechanism (10) is arranged below the drying chamber (1), a screening chamber (15) is arranged on the right side of the feeding mechanism (10), a second motor (11) is arranged on the left side of the feeding mechanism (10), and a second rotating shaft (12) is arranged on the right side of the second motor (11); a screening net (17) is arranged in the screening chamber (15); and a third motor (18) is installed below the left side of the screening chamber (15), and a third rotating shaft (19) is installed on the right side of the third motor (18).

2. The airflow screen with the drying function for the production of lithium manganate powder as claimed in claim 1, wherein the wall of said drying chamber (1) is equipped with a heat-insulating layer (5), and the lower portions of the left and right inner walls of the drying chamber (1) are equipped with cleaning brushes (9).

3. The airflow screen with the drying function for lithium manganate powder production of claim 1, wherein a dust suction pipe (26) is installed above the right side of the drying chamber (1), and a dust suction fan (27) is installed on the dust suction pipe (26).

4. The airflow sieve with the drying function for the production of lithium manganate powder as claimed in claim 1, wherein a recovery tank (23) is arranged below the right side of the sieving net (17), a recovery pipe (24) is arranged on the right side of the recovery tank (23), and a material pumping pump (25) is arranged on the recovery pipe (24).

5. The airflow sieve with the drying function for producing lithium manganate powder as claimed in claim 1, wherein a plurality of cams (21) are uniformly installed on the third rotating shaft (19) from left to right, and a discharge hole (22) is arranged in the middle of the lower part of the sieving chamber (15).

6. The airflow screen with the drying function for the lithium manganate powder production of claim 1, wherein the second rotating shaft (12) is provided with a feeding auger (13) and a plurality of wind wheels (16) from left to right.