Lithium battery coating oven dust removal device and oven

By designing a dust removal device for fixed-point fans and windmill-type dust collectors in the lithium battery coating oven, the problem of dust accumulation in the oven is solved, and comprehensive dust removal and quantitative analysis of closed small environments is achieved, which improves the battery production process quality.

CN222342385UActive Publication Date: 2025-01-14中汽新能(滁州)电池科技有限公司 +1
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Patent Information

Application Number
CN202323368260.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-07
Publication Date
2025-01-14
Estimated Expiration
2033-12-07

AI Technical Summary

Technical Problem

During the production process of lithium batteries, dust accumulation inside the oven leads to difficulty in dust removal, the dust removal effect of the existing technology is not ideal, and it is impossible to fully and effectively clean up dust in the closed small environment, affecting the quality of the battery.

Method used

Design a lithium battery coated oven dust removal device, including a box, a fixed-point fan and a dust collector, and form a circulating vortex airflow circuit through a fixed-point fan, and send the dust into a windmill-type rotary dust absorption structure dust collector to achieve comprehensive dust removal. Quantitative analysis was performed through a dust adsorption pad.

Benefits of technology

Effectively collect and analyze dust in the oven, improve dust removal efficiency, ensure battery quality, and enable quantitative dust detection of the entire small environment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The lithium battery coating oven dust removal device comprises an oven body, fixed-point fans and a dust collector, the fixed-point fans are fixedly connected to the side faces of the periphery in the oven body respectively to form a vortex airflow loop for feeding dust into the dust collector, and the dust collector is fixedly connected to the bottom of the center of the oven body. And the dust collector adopts a windmill type rotary dust adsorption structure. The dust collection device has the beneficial effects that compared with the prior art, the dust collection device can effectively realize dust collection and quantitative analysis on the collected dust in a sealed environment of the lithium battery coating oven.
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Description

Technical Field

[0001] The utility model belongs to the technical field of battery production equipment, and in particular relates to a lithium battery coating oven dust removal device and an oven. Background Art

[0002] In the lithium battery production process, the lithium battery electrodes need to be dried in an oven for a period of time after coating. During the drying process, the dust inside the oven will gradually increase due to some external reasons, and will gather in the corners inside the oven, making dust removal difficult. The dust will also pollute the coated electrodes and cause battery short circuits. The prior art generally sets a dust filter inside the oven for dust removal, but the dust removal effect is not ideal. Especially in a closed small environment, manual dust cleaning by wiping and vacuuming is not only inefficient, but also cannot be fully effective; and the existing dust detector can only detect the dust size and particle number in a single point area, and cannot quantify the dust in the entire small environment. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provides a lithium battery coating oven dust removal device and an oven, which can effectively remove dust from the oven or a closed small environmental box and perform quantitative analysis on the collected dust.

[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a lithium battery coating oven dust removal device, including a box body, a fixed-point fan and a dust collector, the four sides of the box body are respectively fixedly connected with fixed-point fans to form a vortex airflow circuit for sending dust into the dust collector, the dust collector is fixedly connected to the central bottom of the box body, and the dust collector adopts a windmill-type rotating dust adsorption structure.

[0005] Furthermore, the fixed-point fan is a bladed fan, a bladeless fan or a turbo fan.

[0006] Furthermore, the fixed-point fans are respectively fixedly connected to the four walls of the box body, and the installation height is the same as the collecting port of the dust collector.

[0007] Furthermore, the number of the fixed-point fans is 4-20.

[0008] Furthermore, the number of fans can be set to cover 80% of the inner surface area of ​​the box, forming a circulating vortex airflow loop.

[0009] Furthermore, the dust collector includes a base, a column and a rotating body, the column is vertically fixed to the base, the base is fixed to the center bottom of the box, the rotating body is supported on the column through bearings, and the side wall of the rotating body is provided with a plurality of air inlets.

[0010] Furthermore, the rotating body includes a rotating circular frame, a plurality of blades and a supporting truncated table. The rotating circular frame is evenly distributed with windmill blades fixedly connected. The blades are fixedly connected to the supporting truncated table to form an integral windmill type rotating body structure.

[0011] Furthermore, air inlets are evenly distributed on the rotating circular frame, and the air inlets are connected to the space between the wing blades.

[0012] Furthermore, a dust adsorption pad is attached to the front side or both sides of the wing blade.

[0013] Furthermore, the dust adsorption pad is made of dust adhesive cloth or mesh adsorption cloth.

[0014] Furthermore, an oven is provided with a lithium battery coating oven dust removal device.

[0015] Beneficial effects: Compared with the prior art, the utility model can effectively collect dust in a sealed environment of a lithium battery coating oven and perform quantitative analysis on the collected dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the dust collector;

[0018] Figure 3 yes Figure 2 Top view of the .

[0019] In the figure: 1. box body, 2. fixed-point fan, 3. dust collector, 3-1. base, 3-2. column, 3-3. rotating body, 3-3-1. rotating circular frame, 3-3-2. blades, 3-3-3 supporting circular table, 3-4. air inlet, 4. vortex airflow circuit, 5. bearing, 6. dust adsorption pad. DETAILED DESCRIPTION

[0020] The following is a detailed description of the specific implementation method provided by the utility model in combination with the preferred embodiments: Referring to the accompanying drawings, this embodiment provides a lithium battery coating oven dust removal device, including a box body 1, a fixed-point fan 2 and a dust collector 3, and the box body is fixedly connected to the four sides thereof with fixed-point fans to form a vortex airflow circuit 4 for sending dust into the dust collector, and the dust collector is fixedly connected to the central bottom of the box body, and the dust collector adopts a windmill-type rotating dust adsorption structure.

[0021] A preferred solution of this embodiment is that the fixed-point fan is a bladed fan, a bladeless fan or a turbo fan.

[0022] A preferred solution of this embodiment is that the fixed-point fans are respectively fixed to the four walls of the box body, and the installation height is the same as the collection port of the dust collector.

[0023] A preferred solution of this embodiment is that the number of the fixed-point fans is 4-20.

[0024] A preferred solution of this embodiment is that the number of fans is set to cover 80% of the inner surface area of ​​the box, forming a circulating vortex airflow loop.

[0025] The preferred solution of this embodiment is that the dust collector includes a base 3-1, a column 3-2 and a rotating body 3-3, the column is vertically fixed to the base, the base is fixed to the center bottom of the box, the rotating body is supported on the column through a bearing 5, and the side wall of the rotating body is provided with a plurality of air inlets 3-4.

[0026] The preferred solution of this embodiment is that the rotating body includes a rotating circular frame 3-3-1, a plurality of blades 3-3-2 and a supporting truncated table 3-3-3, the rotating circular frame is evenly distributed with windmill blades fixedly connected, the blades are fixedly connected to the supporting truncated table to form an integral windmill type rotating body structure.

[0027] A preferred solution of this embodiment is that air inlets are evenly distributed on the rotating circular frame, and the air inlets are connected to the space between the wing blades.

[0028] A preferred solution of this embodiment is that a dust adsorption pad 6 is pasted on the front side or both sides of the wing blade.

[0029] A preferred solution of this embodiment is that the dust adsorption pad is made of dust adhesive cloth or mesh adsorption cloth.

[0030] A lithium battery coating oven with a dust removal device.

[0031] Working process and working principle of this embodiment

[0032] 1. In the closed small environment of the oven, a circulating air system is constructed by setting up fixed-point fans;

[0033] 2. Place a dust collection device in each flow channel where the circulating air must pass, using a windmill-type rotating dust collection device, and use a sticky or mesh adsorption dust adsorption pad inside the dust collector;

[0034] 3. By adjusting the speed or number of fixed-point fans, a circulating air system of a certain intensity is achieved, and this circulating air system covers at least 80% of the surface area of ​​the equipment environment;

[0035] 4. After the dust collection and removal operation is carried out at a fixed time and speed, the total amount of dust inside the equipment is measured by weighing;

[0036] 5. The fixed-point fan and rotating windmill dust collection device can be fixed on the equipment platform by suction cup or bolt;

[0037] 6. The internal dust collection area of ​​the rotating windmill dust collection device can be disassembled and replaced;

[0038] 7. The number of fixed-point fans and rotating windmills installed can be increased or decreased based on the actual platform area of ​​the equipment; the fan installation position is at the edge of the platform space plane, and the rotating windmill installation position is near the center area of ​​the platform space plane.

[0039] The above-mentioned detailed description of a lithium battery coating oven dust removal device and oven with reference to the embodiment is illustrative rather than restrictive, and several embodiments can be listed according to the limited scope. Therefore, changes and modifications without departing from the overall concept of the utility model should be within the scope of protection of the utility model.

Claims

1. A lithium battery coating oven dust removal device, characterized in that: It includes a box body, a fixed-point fan and a dust collector. The fixed-point fans are fixedly connected to the four sides of the box body to form a vortex airflow circuit for sending dust into the dust collector. The dust collector is fixedly connected to the central bottom of the box body and adopts a windmill-type rotating dust adsorption structure.

2. The lithium battery coating oven dust removal device according to claim 1 is characterized in that: The fixed-point fan is a bladed fan, a bladeless fan or a turbo fan.

3. The lithium battery coating oven dust removal device according to claim 1 is characterized in that: The fixed-point fans are respectively fixedly connected to the four walls of the box body, and the installation height is the same as the collecting port of the dust collector.

4. The lithium battery coating oven dust removal device according to claim 1 is characterized in that: The number of fixed-point fans is 4-20.

5. The lithium battery coating oven dust removal device according to claim 1, characterized in that: The number of fans can be set to cover 80% of the inner surface area of ​​the box, forming a circulating vortex airflow loop.

6. The lithium battery coating oven dust removal device according to claim 1, characterized in that: The dust collector comprises a base, a column and a rotating body, wherein the column is vertically fixed to the base, the base is fixed to the central bottom of the box body, the rotating body is supported on the column through bearings, and a plurality of air inlets are arranged on the side wall of the rotating body.

7. The lithium battery coating oven dust removal device according to claim 6, characterized in that: The rotating body comprises a rotating circular frame, a plurality of blades and a supporting truncated table. The rotating circular frame is evenly distributed with fixed windmill blades, and the blades are fixedly connected to the supporting truncated table to form an integral windmill type rotating body structure.

8. The lithium battery coating oven dust removal device according to claim 7, characterized in that: Air inlets are evenly distributed on the rotating circular frame, and the air inlets are communicated with the space between the wing blades.

9. The lithium battery coating oven dust removal device according to claim 7, characterized in that: A dust adsorption pad is pasted on the front side or both sides of the wing blade.

10. The lithium battery coating oven dust removal device according to claim 9, characterized in that: The dust adsorption pad is made of dust sticking cloth or mesh adsorption cloth.

11. An oven, characterized in that: A lithium battery coating oven dust removal device having any one of claims 1 to 10.