Carbon-carbon furnace tube of ultrahigh-temperature rotary kiln

By adopting the assembled structure of carbon-carbon furnace pipes, the use of ring gear connections and carbon fiber connections is used to solve the problem that traditional furnace pipes cannot withstand ultra-high temperatures in high temperature environments, achieving higher service life and safety.

CN223050408UActive Publication Date: 2025-07-01湖南碳谷装备制造有限公司
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Patent Information

Application Number
CN202421585127.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-07-01
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Traditional rotary kiln pipes are prone to deform in high temperature environments, affecting service life and safety, and welding connections are difficult to withstand ultra-high temperatures.

Method used

The carbon-carbon furnace tube with assembled structure is connected to the two furnace tubes through the ring gear, and connecting parts made of carbon fiber material are provided at the connection to enhance the stability and high temperature resistance of the connection.

Benefits of technology

The tightness and high-temperature adaptability of the furnace pipe connection are achieved, the deformation of the furnace pipe is reduced, and the service life and safety are improved.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a carbon-carbon furnace tube of an ultrahigh-temperature rotary kiln, which belongs to the related technical field of rotary kilns and is of an assembled structure and formed by assembling a plurality of sections. Wherein one section of furnace tube comprises a first furnace tube and a second furnace tube, the first furnace tube and the second furnace tube are connected through a gear ring, a connecting part is arranged at the connecting part of the first furnace tube and the second furnace tube, and the furnace tubes and the connecting part are made of carbon fiber materials. According to the carbon-carbon furnace tube of the ultra-high-temperature rotary kiln, the two furnace tubes are connected through the gear ring, connection is tight, the carbon-carbon furnace tube is suitable for a high-temperature environment, and deformation of the furnace tubes is small.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to rotary kilns, and particularly relates to a carbon-carbon furnace tube for an ultra-high temperature rotary kiln. Background Art

[0002] In industrial production, especially in industries such as chemical engineering and metallurgy, equipment capable of withstanding ultra-high temperatures is often required. As a widely used heat treatment equipment, the performance of a rotary kiln directly affects production efficiency and product quality. Traditional rotary kiln furnace tubes are mostly made of a single material, unable to withstand an ultra-high temperature environment for a long time, and prone to deformation at high temperatures, affecting service life and safety.

[0003] Most of the existing rotary kilns have metal furnace tubes. When the furnace tubes are long, the connection between furnace tubes is mostly made by welding. The welded furnace tubes cannot withstand ultra-high temperatures. Therefore, it is necessary to develop a carbon-carbon furnace tube for an ultra-high temperature rotary kiln to solve the above technical problems. Summary of the Utility Model

[0004] In view of the above problems, the utility model provides a carbon-carbon furnace tube for an ultra-high temperature rotary kiln to solve the technical problem of unstable connection of furnace tubes in the prior art.

[0005] To achieve the above object, the technical solution adopted by the utility model is:

[0006] A carbon-carbon furnace tube for an ultra-high temperature rotary kiln, the furnace tube is arranged in a split structure and assembled by multiple sections; one section of the furnace tube includes a first furnace tube and a second furnace tube, the connection between the first furnace tube and the second furnace tube is connected by a gear ring, a connecting component is arranged at the connection between the first furnace tube and the second furnace tube, and the furnace tube and the connecting component are made of carbon fiber material.

[0007] Compared with the prior art, the beneficial effect of the utility model is: The utility model provides a carbon-carbon furnace tube for an ultra-high temperature rotary kiln. The two furnace tubes are connected by a gear ring, which is not only tightly connected but also suitable for high-temperature environments, resulting in a small deformation of the furnace tube.

[0008] As a further improvement of the above solution, the connecting component between the first furnace tube and the second furnace tube is arranged as a hoop, and a first pin is arranged on the hoop.

[0009] As a further improvement of the above solution, the connecting component between the first furnace tube and the second furnace tube is arranged as a flange, and a second pin is arranged on the flange.

[0010] The beneficial effect of the utility model: The utility model provides a carbon-carbon furnace tube for an ultra-high temperature rotary kiln. The two furnace tubes are connected by a gear ring, which is not only tightly connected but also suitable for high temperature and high pressure, resulting in a small deformation of the furnace tube. Description of the Drawings

[0011] Figure 1 This is a schematic diagram of the connection between the first furnace tube and the second furnace tube in the present utility model through a gear ring, a hoop and a first pin.

[0012] Figure 2 This is a schematic diagram of the connection between the first furnace tube and the second furnace tube in the present utility model through a gear ring and a flange.

[0013] In the figure: 1. First furnace tube; 2. Second furnace tube; 3. Hoop; 4. First pin; 5. Gear ring; 6. Flange; 7. Second pin. Specific embodiments

[0014] In order to enable those skilled in the art to better understand the technical solution, the present utility model will be described in detail below in conjunction with embodiments. The description of this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0015] As Figure 1-2 shown, the specific solution of this embodiment is: a carbon-carbon furnace tube of an ultra-high temperature rotary kiln, the furnace tube is set as a assembled structure and is assembled by multiple sections; one of the furnace tubes includes a first furnace tube 1 and a second furnace tube 2, the connection between the first furnace tube 1 and the second furnace tube 2 is connected through a gear ring 5, a connection component is arranged at the connection between the first furnace tube 1 and the second furnace tube 2, and the furnace tube and the connection component are made of carbon fiber material.

[0016] As a preferred mode of the above embodiment, the connection component between the first furnace tube 1 and the second furnace tube 2 is set as a hoop 3, and a first pin 4 is arranged on the hoop 3.

[0017] As a preferred mode of the above embodiment, the connection component between the first furnace tube 1 and the second furnace tube 2 is set as a flange 6, and a second pin 7 is arranged on the flange 6.

[0018] Embodiment 1:

[0019] After the adjacent ends of the first furnace tube 1 and the second furnace tube 2 are connected through the gear ring 5, the hoop 3 is then installed at the connection between the first furnace tube 1 and the second furnace tube 2, and the hoop 3 is fixedly connected to the first furnace tube 1 and the second furnace tube 2 through the first pin 4.

[0020] Embodiment 2:

[0021] After the adjacent ends of the first furnace tube 1 and the second furnace tube 2 are connected through the gear ring 5, the flange 6 is then installed at the connection between the first furnace tube 1 and the second furnace tube 2, and the flanges 6 are fixedly connected through the second pin 7.

[0022] It should be noted that in this article, the term "including", "comprising" or any other variants thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or device. Specific examples are used in this article to elaborate on the principles and implementation manners of the technical solution of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model. The above is only the preferred implementation manner of the present utility model. It should be pointed out that due to the limited nature of written expression and the objectively infinite specific structures, for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements, modifications or variations can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, variations or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, shall all be regarded as the protection scope of the present utility model.

Claims

1. A carbon-carbon furnace tube for an ultra-high temperature rotary kiln, characterized in that: The furnace tube is arranged as an assembled structure, which is assembled from a plurality of sections; one section of the furnace tube comprises a first furnace tube (1) and a second furnace tube (2); the first furnace tube (1) and the second furnace tube (2) are connected at a connection point via a gear ring (5); a connecting component is arranged at a connection point between the first furnace tube (1) and the second furnace tube (2); the furnace tube and the connecting component are arranged to be made of carbon fiber material.

2. The carbon-carbon furnace tube of an ultra-high temperature rotary kiln according to claim 1, characterized in that: The connecting component between the first furnace tube (1) and the second furnace tube (2) is a clamp (3), and a first pin (4) is arranged on the clamp (3).

3. The carbon-carbon furnace tube of an ultra-high temperature rotary kiln according to claim 1, characterized in that: The connecting component between the first furnace tube (1) and the second furnace tube (2) is a flange (6), and a second pin (7) is arranged on the flange (6).