Lithium battery negative electrode material heat treatment furnace

Abstract

The utility model discloses a lithium battery cathode material heat treatment furnace which comprises a reinforcing plate, a heat treatment furnace body fixedly connected to a supporting frame body, a feeding pipe fixedly connected to the heat treatment furnace body, a vacuum pump fixedly installed on a second fixing frame, a gas conveying pipe connected between the vacuum pump and the heat treatment furnace body, and a vacuum sensor installed in the heat treatment furnace body. Two heat preservation boxes are fixedly connected to the reinforcing plate, second driving motors are fixedly installed on the heat preservation boxes, rotating shafts are connected to output shafts of the second driving motors, stirrers are connected to the rotating shafts, temperature sensors are installed in the heat preservation boxes, and a plurality of heaters are installed on the heat preservation boxes. Gas in the heat treatment furnace is extracted through the vacuum pump, so that the gas is exhausted through the gas conveying pipe, the vacuum environment in the heat treatment furnace is created, the vacuum degree in the heat treatment furnace is detected through the vacuum sensor, and the operation power of the vacuum pump is adjusted in real time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery negative material heat treatment technical field especially relates to a lithium battery negative material heat treatment furnace. BACKGROUND

[0002] The heat treatment furnace technology of battery negative material on the market mainly through the direct heating mode, to the battery negative material carries out the heat treatment.

[0003] The utility model discloses a battery negative material heat treatment furnace discloses a battery negative material heat treatment furnace, including the furnace body, the mounting frame of fixed installation at the furnace body bottom, the damping base of fixed installation at the mounting frame bottom, the air inlet of opening at the right side outer wall on the furnace body and set up on the auxiliary assembly of furnace body, auxiliary assembly includes exhaust part, stirring part, exhaust part is located on the left end inner wall of furnace body, and the outside of exhaust part is provided with the cleaning part, and stirring part is located in the inside of furnace body, the device does not carry out in the vacuum state when carrying out the heat treatment to the negative material, thereby does not inhibit the oxidation of negative material, and after the heat treatment of negative material, the constant temperature state of negative material needs to be maintained, thereby facilitating the subsequent processing, therefore puts forward a kind of lithium battery negative material heat treatment furnace. UTILITY MODEL CONTENTS

[0004] The utility model discloses a lithium battery negative material heat treatment furnace to solve the problems in the background art.

[0005] A lithium battery negative material heat treatment furnace, which comprises a reinforcing plate, a controller mounted on the reinforcing plate, a support frame body fixedly connected to the reinforcing plate, a heat treatment furnace fixedly connected to the support frame body, an inlet pipe fixedly connected to the heat treatment furnace, a first electric valve mounted on the inlet pipe, a second fixing frame fixedly connected to the support frame body, a vacuum pump fixedly installed on the second fixing frame, a gas delivery pipe connected between the vacuum pump and the heat treatment furnace, a vacuum sensor installed in the heat treatment furnace, two heat preservation boxes fixedly connected to the reinforcing plate, an outlet pipe connected to the heat preservation boxes, a discharge pipe connected between the heat treatment furnace and the heat preservation boxes, a second electric valve mounted on the discharge pipe, a second drive motor fixedly installed on the heat preservation box, a rotating shaft connected to the output shaft of the second drive motor, a stirrer connected to the rotating shaft, a temperature sensor installed in the heat preservation box, a plurality of heaters mounted on the heat preservation box, and a third electric valve mounted on the outlet pipe of the heat preservation box.

[0006] Further, a display screen is arranged on the controller.

[0007] Further, a first fixing frame is fixedly connected to the heat treatment furnace, a first drive motor is fixedly installed on the first fixing frame, a rotating shaft is connected to the bottom end of the output shaft of the first drive motor, and a mixer is connected to the rotating shaft.

[0008] Further, the discharge pipe is shaped as Y.

[0009] The utility model discloses the beneficial effect of:

[0010] 1, the utility model discloses a vacuum pump to the gas in heat treatment furnace is extracted, makes the gas through the gas pipe discharge, thereby creates the vacuum environment of heat treatment furnace inside, and the vacuum sensor detects the vacuum degree of heat treatment furnace inside, thereby real -time regulation the running power of vacuum pump.

[0011] 2, the utility model discloses the rotation of second drive motor, stirring ware, and the stirring ware agitates negative electrode material, prevents negative electrode material from sticking together, and the heat of heater heats negative electrode material, prevents negative electrode material from cooling down, and temperature sensor detects the temperature of heat preservation box inside, thereby real -time regulation the output power of heater, maintains constant temperature state. DRAWINGS

[0012] Fig. 1 It is the three-dimensional structure schematic diagram of lithium battery negative electrode material heat treatment furnace of the utility model;

[0013] Fig. 2 It is the first view three-dimensional structure schematic diagram of heat treatment furnace;

[0014] Fig. 3 It is the second sectional three-dimensional structure schematic diagram of heat treatment furnace;

[0015] Fig. 4 It is the side view three-dimensional structure schematic diagram of support frame body;

[0016] Fig. 5 It is the sectional three-dimensional structure schematic diagram of heat preservation box.

[0017] In the drawing, 1 is reinforcing plate, 2 is controller, 3 is support frame body, 4 is heat treatment furnace, 5 is inlet pipe, 6 is first electric valve, 7 is first fixed frame, 8 is first drive motor, 9 is pivot, 10 is mixer, 11 is second fixed frame, 12 is vacuum pump, 13 is gas pipe, 14 is vacuum sensor, 15 is heat preservation box, 16 is discharge pipe, 17 is second electric valve, 18 is second drive motor, 19 is rotating shaft, 20 is stirrer, 21 is temperature sensor, 22 is heater, 23 is third electric valve. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiment will be described clearly and completely below with reference to the drawings in the utility model embodiments.

[0019] As Figs. 1 to 5The utility model discloses a kind of lithium battery negative electrode material heat treatment furnaces, it includes reinforcing plate 1, controller 2 is installed on reinforcing plate 1, supporting frame body 3 is fixedly connected on reinforcing plate 1, supporting frame body 3 is fixedly connected with heat treatment furnace 4, heat treatment furnace 4 is fixedly connected with inlet pipe 5, first electric valve 6 is installed on inlet pipe 5, second fixed frame 11 is fixedly connected on supporting frame body 3, vacuum pump 12 is fixedly installed on second fixed frame 11, vacuum pump 12 is used to extract gas, gas pipe 13 is connected between vacuum pump 12 and heat treatment furnace 4, vacuum sensor 14 is installed in heat treatment furnace 4, vacuum sensor 14 is used to detect the vacuum degree inside heat treatment furnace 4, two heat preservation boxes 15 are fixedly connected on reinforcing plate 1, discharge pipe is connected on heat preservation box 15, discharge pipe 16 is connected between heat treatment furnace 4 and heat preservation box 15, second electric valve 17 is installed on discharge pipe 16, second drive motor 18 is fixedly installed on heat preservation box 15, rotating shaft 19 is connected on the output shaft of second drive motor 18, stirrer 20 is connected on rotating shaft 19, stirrer 20 is used to turn negative electrode material, temperature sensor 21 is installed in heat preservation box 15, a plurality of heaters 22 are installed on heat preservation box 15, heater 22 is used to heat negative electrode material, third electric valve 23 is installed on the discharge pipe of heat preservation box 15.

[0020] Display screen is provided on controller 2.

[0021] First fixed frame 7 is fixedly connected on heat treatment furnace 4, first drive motor 8 is fixedly installed on first fixed frame 7, rotating shaft 9 is connected on the output shaft bottom end of first drive motor 8, mixer 10 is connected on rotating shaft 9, and mixer 10 is used to mix negative electrode material.

[0022] Discharge pipe 16 is Y-shaped.

[0023] The working principle of the utility model is as follows: after the negative electrode material needing heat treatment is poured into the heat treatment furnace through the inlet pipe, the first electric valve will close the inlet pipe, when the negative electrode material starts to be heat treated, the first drive motor drives the rotating shaft and the mixer to rotate, so that the mixer stirs and mixes the negative electrode material, so that the negative electrode material can be uniformly heated, the vacuum pump extracts the gas in the heat treatment furnace, so that the gas is discharged through the gas pipe, thereby creating a vacuum environment inside the heat treatment furnace, and the vacuum sensor detects the vacuum degree inside the heat treatment furnace, so as to adjust the running power of the vacuum pump in real time.

[0024] After the heat treatment of the negative electrode material is completed, the second electric valve opens the discharge pipe, the negative electrode material flows into the heat preservation box through the discharge pipe, then the second driving motor drives the rotating shaft and the stirrer to rotate, the stirrer stirs the negative electrode material to prevent the negative electrode material from sticking together, the heater generates heat to heat the negative electrode material to prevent the negative electrode material from cooling down, and the temperature sensor detects the temperature in the heat preservation box to adjust the output power of the heater in real time, thereby maintaining a constant temperature state, when it is desired to transport the negative electrode material, the third electric valve is controlled to open the discharge pipe of the heat preservation box.

[0025] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium battery negative material heat treatment furnace, characterized by: The lithium battery negative electrode material heat treatment furnace includes a reinforcing plate, a controller is installed on the reinforcing plate, a support frame body is fixedly connected to the reinforcing plate, a heat treatment furnace is fixedly connected to the support frame body, a feeding pipe is fixedly connected to the heat treatment furnace, a first electric valve is installed on the feeding pipe, a second fixing frame is fixedly connected to the support frame body, a vacuum pump is fixedly installed on the second fixing frame, a gas conveying pipe is connected between the vacuum pump and the heat treatment furnace, a vacuum sensor is installed in the heat treatment furnace, two heat preservation boxes are fixedly connected to the reinforcing plate, a discharging pipe is connected to the heat preservation boxes, a discharging pipe is connected between the heat treatment furnace and the heat preservation boxes, a second electric valve is installed on the discharging pipe, a second driving motor is fixedly installed on the heat preservation box, a rotating shaft is connected to the output shaft of the second driving motor, a stirrer is connected to the rotating shaft, a temperature sensor is installed in the heat preservation box, a plurality of heaters are installed on the heat preservation box, and a third electric valve is installed on the discharging pipe of the heat preservation box.

2. The lithium battery anode material heat-treatment furnace according to claim 1, wherein: A display screen is arranged on the controller.

3. The lithium battery anode material heat-treatment furnace according to claim 1, wherein: A first fixing frame is fixedly connected to the heat treatment furnace, a first driving motor is fixedly installed on the first fixing frame, a rotating shaft is connected to the bottom end of the output shaft of the first driving motor, and a mixer is connected to the rotating shaft.

4. The lithium battery anode material heat-treatment furnace of claim 1, wherein: The discharging pipe is in the shape of Y.

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