Inner chamber structure of roller kiln for burning waste battery materials under protection of gas heating inert gas

Abstract

The utility model relates to an inner chamber structure of a roller kiln for burning waste battery materials under the protection of gas heating inert gas, which comprises a top plate and a side plate which form a U-shaped inner chamber, at least one hanging hole connecting piece is arranged on the top plate, a gas outlet pipe is arranged on the top plate, the gas outlet pipe is communicated with an inner cavity of the U-shaped inner chamber, and the hanging hole connecting piece is arranged on the side plate. The top plate, the side plates, the air outlet pipes and the hanging hole connecting pieces form an integrally-formed structure. The device is simple in structure, resistant to acid, alkali and corrosion, firm in connection, modular in design and convenient to install and replace.

Description

Technical Field

[0001] This utility model relates to an inner cavity, specifically to an inner cavity structure of a roller kiln. Background Technology

[0002] With the rapid development of my country's new energy industry, the number of new energy vehicles is expected to increase tenfold from 2020 to 2024. At the same time, a large number of waste lithium batteries are entering their end-of-life phase, and the recycling of these waste lithium batteries remains a challenge for the industry. Currently, lithium batteries require high-temperature calcination for desulfurization, and roller kilns and pusher kilns are commonly used for processing. However, these methods suffer from problems such as poor acid and alkali resistance and corrosion resistance. Utility Model Content

[0003] Purpose of the invention: The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a simple structure, acid and alkali resistant, corrosion resistant, and firmly connected inner chamber structure of a gas-heated inert gas protected sintering roller kiln for waste battery materials.

[0004] Technical solution: In order to solve the above-mentioned technical problems, the present invention provides a gas-fired heating inert gas protected sintering roller kiln inner cavity structure for waste battery materials, which includes a top plate and side plates, which together form a U-shaped inner cavity. At least one hanging hole connector is provided on the top plate, and an exhaust pipe is provided on the top plate. The exhaust pipe is connected to the inner cavity of the U-shaped inner cavity. The top plate, side plates, exhaust pipe, and hanging hole connector form an integrally formed structure.

[0005] Furthermore, the integrally molded structure is made of acid- and alkali-resistant, corrosion-resistant ceramic.

[0006] Furthermore, the hanging hole connector is located in the length or width direction of the top of the top plate.

[0007] Furthermore, the hanging hole connector is located in the width direction of the top of the top plate, and two of them are provided.

[0008] Furthermore, the integrally molded structure is positioned above the roller conveyor and has a gap.

[0009] Furthermore, the vent pipe is located in the middle of the top plate.

[0010] Furthermore, the outer port of the air outlet pipe is a flange.

[0011] Beneficial effects: Compared with the prior art, the significant advantages of this utility model are: the overall structure of this utility model is simple, with the top plate, side plate, air outlet pipe, and hanging hole connector forming an integrated molding structure. The integrated molding structure is made of acid- and alkali-resistant and corrosion-resistant ceramic, which has good acid and corrosion resistance. The top plate is provided with at least one hanging hole connector, the outer port of the air outlet pipe is a flange, and the side plate is clamped to the inner wall of the roller kiln, with a firm connection. The air outlet pipe is provided for the centralized treatment of gas after material sintering. The product is designed to be fired at a temperature of 500-1100℃. At the same time, the product is modular and segmented, which meets the requirements of actual use. Attached Figure Description

[0012] Figure 1 This is a top view of the present invention;

[0013] Figure 2 This is a side view of the present invention;

[0014] Figure 3 This is a cross-sectional view of the present invention. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1

[0016] like Figure 1 , Figure 2 and Figure 3 As shown, the present invention discloses a gas-fired heating inert gas protected sintering roller kiln for waste battery materials. It includes a top plate 1 and two side plates 2, which form a U-shaped inner cavity. Two hanging hole connectors 3 are provided in the width direction of the top plate 1. An exhaust pipe 4 is provided in the middle of the top plate 1. The exhaust pipe 4 is connected to the inner cavity of the U-shaped inner cavity. The top plate 1, side plates 2, exhaust pipe 4, and hanging hole connectors 3 form an integral molded structure. The integral molded structure is made of acid-resistant, alkali-resistant, and corrosion-resistant ceramic. The integral molded structure is located above the roller kiln with a gap. The outer port of the exhaust pipe 4 is a flange. Example 2

[0017] The present invention relates to a gas-fired heating inert gas protected sintering roller kiln for waste battery materials, comprising a top plate 1 and two side plates 2 forming a U-shaped inner cavity. A hanging hole connector 3 is provided along the length of the top plate 1, and an exhaust pipe 4 is provided in the middle of the top plate 1, which is connected to the inner cavity of the U-shaped inner cavity. The top plate 1, side plates 2, exhaust pipe 4, and hanging hole connector 3 form an integral molded structure, which is made of acid- and alkali-resistant and corrosion-resistant ceramic. The integral molded structure is located above the roller kiln with a gap, and the outer port of the exhaust pipe 4 is a flange.

[0018] This utility model has a simple overall structure. The top plate, side plates, vent pipe, and hanging hole connectors are integrated into a single molded structure. The integrated molded structure is made of acid- and alkali-resistant and corrosion-resistant ceramic, which has good acid and corrosion resistance. The top plate is provided with at least one hanging hole connector, the outer port of the vent pipe is a flange, and the side plates are firmly attached to the inner wall of the roller kiln. The vent pipe is used for centralized treatment of the gas after material sintering. The product is designed to be fired at a temperature of 500-1100℃. At the same time, the product is modular and segmented, which meets the requirements of practical use.

[0019] This utility model provides a concept and method. There are many methods and approaches to implement this technical solution. The above description is only a preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model. These improvements and modifications should also be considered as the protection scope of this utility model. All components not explicitly stated in this embodiment can be implemented using existing technology.

Claims

1. A gas-fired heated, inert-gas-protected roller kiln structure for sintering waste battery materials, characterized in that: It includes a top plate (1) and a side plate (2), which form a U-shaped inner cavity. At least one hanging hole connector (3) is provided on the top plate (1), and an air outlet pipe (4) is provided on the top plate (1). The air outlet pipe (4) is connected to the inner cavity of the U-shaped inner cavity. The top plate (1), side plate (2), air outlet pipe (4), and hanging hole connector (3) form an integrally formed structure.

2. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The one-piece molded structure is made of acid-, alkali-, and corrosion-resistant ceramic.

3. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The hanging hole connector (3) is located on the top of the top plate (1) in the length or width direction.

4. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The hanging hole connector (3) is located in the width direction of the top of the top plate (1), and two of them are provided.

5. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The integrally molded structure is located above the roller conveyor and has a gap.

6. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The air outlet pipe (4) is located in the middle of the top plate (1).

7. The inner chamber structure of the roller kiln for sintering waste battery materials with gas heating and inert gas protection as described in claim 1, characterized in that: The outer port of the air outlet pipe (4) is a flange.

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