CN212720847U

CN212720847U - High-temperature sintering equipment for lithium ion negative electrode material

Info

Publication number: CN212720847U
Application number: CN202021155254.8U
Authority: CN
Inventors: 刘林盛; 朱许淋
Original assignee: Jiangxi Shengchuang New Energy Science And Technology Co ltd
Current assignee: Jiangxi Shengchuang New Energy Science And Technology Co ltd
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2021-03-16
Anticipated expiration: 2030-06-21

Abstract

The utility model discloses a lithium ion negative electrode material high temperature sintering equipment, which comprises a housin, the casing is cylindrical, the peripheral bottom of casing encircles the welding has the support, casing positive top is provided with the operation control box, the fixed welding of casing top surface center has the shaft coupling, the shaft coupling rotates and is connected with the motor, casing top surface one side has seted up the feed inlet, the casing top surface is in the shaft coupling front end is provided with vacuum generator, the casing top surface is in the motor front end is provided with the relief valve, the casing bottom is through the fixed connection of screw sealed bottom, sealed bottom surface center is provided with discharging device; when the device is used, the heating energy consumption is reduced by using a microwave heating mode, the environmental pollution is reduced, the heating efficiency is higher, and the detachable rotating base and the feeding plate are arranged, so that the device is more smooth in process and quicker in discharging.

Description

High-temperature sintering equipment for lithium ion negative electrode material

Technical Field

The utility model relates to an electrode material treatment facility technical field specifically is a lithium ion negative electrode material high temperature sintering equipment.

Background

The negative electrode material of the general battery is made of graphite, the baked graphite negative electrode material has stable mechanical strength and can obviously improve the thermal conductivity, the electrical conductivity and the high temperature resistance, and the sintering process is a complex process accompanied with a plurality of chemical changes. The sintering equipment is thermal equipment for sintering and heat treating the formed carbon product.

At present, sintering equipment in the market generally adopts modes such as coal, gas, electric stove silk to sinter, has the shortcoming that the energy consumption is high, environmental pollution is serious, degree of automation is low, and because agitating unit's hindrance after the sintering is ended, the material of sintering completion gets rid of more troublesome, can adhere on the sintering furnace inner wall moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion negative pole material high temperature sintering equipment to solve the present sintering equipment that proposes in the above-mentioned background art and generally adopt mode sintering such as coal, gas, electric stove silk, there are the energy consumption height, environmental pollution is serious, degree of automation is low shortcoming, moreover after the sintering is over because agitating unit's hindrance, the material of sintering completion gets rid of more troublesome, can the problem of adhesion on the sintering furnace inner wall moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium ion negative electrode material high temperature sintering equipment, includes the casing, the casing is cylindrically, the peripheral bottom of casing encircles the welding has the support, the positive top of casing is provided with the operation control case, the fixed welding of casing top surface center has the shaft coupling, the shaft coupling rotates and is connected with the motor, the feed inlet has been seted up to casing top surface one side, the casing top surface is in the shaft coupling front end is provided with vacuum generator, the casing top surface is in the motor front end is provided with the relief valve, the sealed bottom of casing bottom is through screw fixedly connected with, sealed bottom surface center is provided with discharging device, the inside surface of casing evenly encircles and is provided with microwave generator, the inboard surface of microwave generator is provided with the sintering chamber, shaft coupling bottom center rotates and is.

Preferably, the outer side surface of the rotating shaft is spirally surrounded with a feeding disc, the feeding disc is spiral and is spirally upward anticlockwise, and a distance is reserved between the feeding disc and the inner wall of the sintering cavity.

Preferably, the equal fixed welding in both sides has the stirring piece between the rotation axis top bottom, the inside even welding of stirring piece has the puddler, and the left and right sides sets up in turn.

Preferably, the center of the top surface of the sealing bottom cover is movably clamped with a rotating base, and the bottom end of the rotating shaft is rotatably connected to the center of the top surface of the rotating base.

Preferably, five microwave generators are arranged and uniformly surround the outer side surface of the sintering cavity.

Preferably, a temperature sensor and a pressure sensor are embedded in the top surface inside the sintering cavity, and the temperature sensor and the pressure sensor are electrically connected with the operation control box through a signal converter.

Compared with the prior art, the beneficial effects of the utility model are that: the microwave heating mode is adopted, so that the heating energy consumption is reduced, the environmental pollution is reduced, the heating efficiency is higher, and the detachable rotating base and the feeding disc are arranged, so that the device is smoother in the discharging process and quicker in the discharging process;

(1) the stirring sheet is arranged, so that the material can be uniformly stirred during heating, the reaction rate is increased, the material is heated more uniformly, the inner wall of the sintering cavity can be scraped during discharging, and the phenomenon that reactants are adhered to the inner wall of the sintering cavity is avoided;

(2) through being provided with temperature-sensing ware and pressure sensors, can observe the inside temperature and the pressure in sintering chamber at any time, be convenient for in time adjust and control, avoid the emergence of accident, improve equipment's safety in utilization.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the connection structure of the rotating base of the present invention.

In the figure: 1. a housing; 2. a support; 3. a discharging device; 4. operating the control box; 5. a pressure relief valve; 6. a motor; 7. a feed inlet; 8. a coupling; 9. a vacuum generator; 10. a microwave generator; 11. a sintering chamber; 12. a rotating shaft; 13. a feed tray; 14. a stirring sheet; 15. a stirring rod; 16. sealing the bottom cover; 17. the base is rotated.

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. 1-3, the present invention provides an embodiment: a high-temperature sintering device for lithium ion cathode materials comprises a shell 1, wherein the shell 1 is cylindrical, a support 2 is welded at the bottom of the periphery of the shell 1 in a surrounding manner, an operation control box 4 is arranged at the top of the front face of the shell 1, a coupler 8 is fixedly welded at the center of the surface of the top of the shell 1, the coupler 8 is rotatably connected with a motor 6, a feed inlet 7 is formed in one side of the surface of the top of the shell 1, a vacuum generator 9 is arranged at the front end of the coupler 8 on the top surface of the shell 1, a pressure release valve 5 is arranged at the front end of the motor 6 on the top surface of the shell 1, a sealing bottom cover 16 is fixedly connected at the bottom end of the shell 1 through screws, a discharge device 3 is arranged at the center of the bottom surface of the sealing bottom cover, the center of the bottom end of the coupler 8 is rotatably connected with a rotating shaft 12;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, a feeding tray 13 is spirally wound on the outer side surface of the rotating shaft 12, the feeding tray 13 is spiral and is spirally upward counterclockwise, and a distance is reserved between the feeding tray 13 and the inner wall of the sintering cavity 11, so that material lifting and discharging are facilitated;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, stirring blades 14 are fixedly welded on the left side and the right side between the top end and the bottom end of the rotating shaft 12, stirring rods 15 are uniformly welded in the stirring blades 14, and the left side and the right side are alternately arranged and used for stirring and mixing materials to accelerate the chemical reaction rate;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, a rotating base 17 is movably clamped at the center of the top surface of the sealing bottom cover 16, and the bottom end of the rotating shaft 12 is rotatably connected to the center of the top surface of the rotating base 17, so that the disassembly and the discharging are convenient;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, five microwave generators 10 are provided, and the five microwave generators 10 uniformly surround the outer side surface of the sintering cavity 11 for heating;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, a temperature sensor and a pressure sensor are embedded in the top surface of the sintering chamber 11, and the temperature sensor and the pressure sensor are electrically connected to the operation control box 4 through a signal converter, so as to monitor the inside of the sintering chamber 11 and avoid accidents.

The working principle is as follows: when the utility model is used, firstly, the device is powered on, raw materials are added into the sintering cavity 11 through the feed inlet 7, the feed inlet 7 is sealed after the feeding is finished, the microwave generator 10 is started to heat the raw materials in the sintering cavity 11, the motor 6 is started simultaneously to drive the rotating shaft 12 to rotate anticlockwise, the raw materials at the bottom layer are lifted to the top end through the spiral ascending structure by the feed tray 13 and then fall vertically, the heating is repeated, the materials are heated uniformly and rapidly, meanwhile, the raw materials are fully stirred through the matching of the stirring sheet 14 and the stirring rod 15, so that the raw materials are fully subjected to chemical reaction, the sintering quality of the raw materials is higher, the sealing bottom cover 16 is detached through screws after the sintering is finished, and the rotating base 17 is movably clamped on the surface of the sealing bottom cover 16, so that the raw materials can be separated from the surface of the sealing bottom cover, immediately, starter motor 6 makes its opposite direction rotate, carries the material on 11 tops in sintering chamber to the bottom, strikes off the material of 11 inner walls in sintering chamber through stirring piece 14 outside surface simultaneously, and inside 11 sintering chambers of discharging, avoid the material to paste at 11 inner wall surfaces in sintering chamber, the ejection of compact is rapid and convenient, and heating system environmental protection more moreover is suitable for present market demand more.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A lithium ion negative electrode material high-temperature sintering equipment comprises a shell (1), and is characterized in that: the shell (1) is cylindrical, the peripheral bottom end of the shell (1) is welded with a support (2) in a surrounding manner, the top of the front surface of the shell (1) is provided with an operation control box (4), the top surface center of the shell (1) is fixedly welded with a coupler (8), the coupler (8) is rotatably connected with a motor (6), one side of the top surface of the shell (1) is provided with a feed inlet (7), the top surface of the shell (1) is provided with a vacuum generator (9) at the front end of the coupler (8), the top surface of the shell (1) is provided with a pressure relief valve (5) at the front end of the motor (6), the bottom end of the shell (1) is fixedly connected with a sealing bottom cover (16) through screws, the bottom surface center of the sealing bottom cover (16) is provided with a discharge device (3), the microwave generator (10) inside surface is provided with sintering chamber (11), shaft coupling (8) bottom center is rotated and is connected with rotation axis (12).

2. The high-temperature sintering equipment for the lithium ion negative electrode material, according to claim 1, is characterized in that: the outer side surface of the rotating shaft (12) is spirally surrounded with a feeding plate (13), the feeding plate (13) is spiral and is spirally upward anticlockwise, and a distance is reserved between the feeding plate (13) and the inner wall of the sintering cavity (11).

3. The high-temperature sintering equipment for the lithium ion negative electrode material, according to claim 1, is characterized in that: the utility model discloses a stirring shaft, including rotation axis (12), the equal fixed welding in left and right sides has stirring piece (14) between rotation axis (12) top bottom, stirring piece (14) inside even welding has puddler (15), and the left and right sides sets up in turn.

4. The high-temperature sintering equipment for the lithium ion negative electrode material, according to claim 1, is characterized in that: the center of the top surface of the sealing bottom cover (16) is movably clamped with a rotating base (17), and the bottom end of the rotating shaft (12) is rotatably connected with the center of the top surface of the rotating base (17).

5. The high-temperature sintering equipment for the lithium ion negative electrode material, according to claim 1, is characterized in that: the five microwave generators (10) are arranged, and the five microwave generators (10) uniformly surround the outer side surface of the sintering cavity (11).

6. The high-temperature sintering equipment for the lithium ion negative electrode material, according to claim 1, is characterized in that: and a temperature sensor and a pressure sensor are embedded in the inner non-top surface of the sintering cavity (11), and the temperature sensor and the pressure sensor are electrically connected with the operation control box (4) through a signal converter.