Intermediate wheel structure of ultrahigh-temperature rotary kiln

Abstract

The utility model discloses an ultra-high temperature rotary kiln middle wheel structure, which belongs to the technical field of rotary kilns, and is arranged at the lower end of a rolling ring, the rolling ring is arranged on the outer circumference of a furnace tube of a rotary kiln, and the rolling ring and the furnace tube are concentrically arranged; the middle wheel structure comprises a riding wheel body, the riding wheel body is arranged on a riding wheel shaft, the riding wheel shaft penetrates through a riding wheel seat, the riding wheel seat is arranged on a frame body, and a jacking driving mechanism is arranged in the middle of the lower end of the frame body; a riding wheel shaft of the riding wheel is hollow; the side end of the riding wheel shaft is communicated with the water pipe; the furnace tube, the rolling ring and the riding wheel body are made of carbon fiber materials. The utility model provides an intermediate wheel structure of an ultrahigh-temperature rotary kiln, which is used for solving the technical problem that an intermediate riding wheel of a furnace tube of the rotary kiln in the prior art is not resistant to high temperature.

Description

Technical Field

[0001] The utility model belongs to the technical field related to rotary kilns, in particular to an intermediate wheel structure of an ultra-high temperature rotary kiln. Background Art

[0002] In modern industrial production, ultra-high temperature rotary kilns are indispensable equipment in the processing and manufacturing of refractory materials, chemical products, and metal smelting. These kilns usually need to withstand extreme temperature conditions while maintaining uniform heating and stable rotation of the materials. Especially for those rotary kilns with long furnace tubes, their structural stability and deformation resistance are particularly important, because even a slight deformation may lead to a decrease in thermal efficiency and unstable product quality.

[0003] When the traditional rotary kiln is subjected to ultra-high temperature and heavy load for a long time, due to the long length of the furnace tube, the supporting wheel without supporting structure in the prior art cannot withstand high temperature and has a large deformation. In view of this, the utility model aims to provide a new type of intermediate wheel structure of ultra-high temperature rotary kiln to solve the above technical problems. Utility Model Content

[0004] In view of the above problems, the utility model provides an ultra-high temperature rotary kiln intermediate wheel structure, which is used to solve the technical problem that the intermediate supporting wheel of the rotary kiln furnace tube in the prior art is not resistant to high temperature.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The invention discloses an intermediate wheel structure of an ultra-high temperature rotary kiln, wherein the intermediate wheel structure is arranged at the lower end of a roller ring, and the roller ring is arranged on the outer circumference of a furnace tube of the rotary kiln and the two are arranged concentrically; the intermediate wheel structure comprises a supporting wheel body, the supporting wheel body is on a supporting wheel shaft, the supporting wheel shaft is inserted on a supporting wheel seat, the supporting wheel seat is arranged on a frame, and a lifting driving mechanism is arranged at the middle part of the lower end of the frame; the supporting wheel shaft of the supporting wheel is arranged in a hollow state, and the side end of the supporting wheel shaft is connected to a water pipe; the furnace tube, the roller ring and the supporting wheel body are made of carbon fiber village material.

[0007] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides an intermediate wheel structure for an ultra-high temperature rotary kiln, which stabilizes the furnace tube within a certain deformation range when the furnace tube is long, thereby ensuring the stability and reliability of the rotary kiln. The connection between the hollow supporting wheel shaft and the water pipe can effectively cool the furnace, and the water is passed to ensure that the supporting wheel shaft does not deform under high temperature conditions, thereby improving the high temperature resistance of the equipment.

[0008] As a further improvement of the above scheme, a bearing and thermal insulation cotton are arranged between the roller shaft and the roller body, and a retaining ring is arranged on the side end of the thermal insulation cotton; the roller shaft is arranged on the roller seat, and the side end of the roller shaft is connected to the water pipe, and the water pipe is connected to the circulating water pipe through a rotating joint.

[0009] The technical effect of the above improvement is that the design of the supporting wheel includes bearings and thermal insulation cotton, which can not only reduce heat transfer, but also protect the bearings from high temperature and extend the service life. The connection design of the water pipe and the supporting wheel shaft further enhances the cooling effect.

[0010] As a further improvement of the above solution, a U-shaped groove is provided on the wheel seat, and the supporting wheel shaft is inserted into the U-shaped groove.

[0011] The technical effect of the above improvement is that the support wheel shaft is fixed more stably.

[0012] As a further improvement of the above scheme, the frame includes an upper support plate, guide rods are arranged on both sides of the lower end of the upper support plate, and the lower ends of the guide rods are arranged on the lower connecting plate; the supporting wheel seat is arranged on the upper end of the upper support plate; the lifting drive mechanism is arranged on the lower end of the lower connecting plate. A support column is arranged in the middle of the upper support plate and the lower connecting plate.

[0013] The technical effect of the above improvement is that the combination of these components enhances the stability of the overall structure, and the setting of the support columns further improves the bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the connection between the supporting wheel, the rolling ring and the furnace tube in the utility model.

[0015] Figure 2 for Figure 1 Side view of.

[0016] Figure 3 This is a schematic diagram of the installation of the intermediate wheel of the utility model.

[0017] Figure 4 for Figure 3 Cross-section view at AA in the middle.

[0018] In the figure: 1. rolling ring; 2. supporting roller; 201. supporting roller body; 202. supporting roller shaft; 203. bearing; 204. thermal insulation cotton; 205. retaining ring; 3. supporting roller seat; 301. U-shaped groove; 4. upper supporting plate; 5. guide rod; 6. lower connecting plate; 7. jacking drive mechanism; 8. rotating joint; 9. water pipe; 10. furnace pipe; 13. supporting column; 100. frame. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution, the utility model is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0020] like Figure 1-4As shown, the specific scheme of this embodiment is: an intermediate wheel structure of an ultra-high temperature rotary kiln, the intermediate wheel structure is arranged at the lower end of the roller ring 1, the roller ring 1 is arranged on the outer circumference of the furnace tube 10 of the rotary kiln and the two are arranged concentrically; the intermediate wheel structure includes a supporting wheel body 201, the supporting wheel body 201 is on the supporting wheel shaft 202, the supporting wheel shaft 202 is inserted on the supporting wheel seat 3, the supporting wheel seat 3 is arranged on the frame 100, and a jacking drive mechanism 7 is arranged in the middle of the lower end of the frame 100; the supporting wheel shaft 202 of the supporting wheel 2 is set in a hollow state, and the side end of the supporting wheel shaft 202 is connected to the water pipe 9; the furnace tube 10, the roller ring 1 and the supporting wheel body 201 are made of carbon fiber village material.

[0021] Specifically, when the rotary kiln is in operation, the furnace tube 10 is supported by the roller ring 1, and the roller ring 1 is concentrically arranged with the furnace tube 10 to ensure the uniformity of rotation.

[0022] The supporting wheels 2 are located on both sides of the lower end of the roller ring 1 and supported by the supporting wheel seats 3, which are fixed on the frame 100 to provide a stable supporting force. The lifting drive mechanism 7 can adjust the height of the frame 100 and adjust the distance between the supporting wheels 2 and the roller ring 1 at any time to prevent deformation of the middle part of the furnace tube 10.

[0023] The supporting wheel shaft 202 is hollow in design, and the side end is connected to the water pipe 9 to achieve cooling of the supporting wheel 2 and prevent overheating.

[0024] like Figure 3-Figure 4 As shown, as a preferred mode of the above embodiment, the supporting wheel 2 includes a supporting wheel body 201, a supporting wheel shaft 202 is arranged in the middle of the supporting wheel body 201, a bearing 203 and a heat preservation cotton 204 are arranged between the supporting wheel shaft 202 and the supporting wheel body 201, and a retaining ring 205 is arranged at the side end of the heat preservation cotton 204; the supporting wheel shaft 202 is arranged on the supporting wheel seat 3, and the side end of the supporting wheel shaft 202 is connected to the water pipe 9, and the water pipe 9 is connected to the circulating water pipe through the rotating joint 8. A U-shaped groove 301 is arranged on the supporting wheel seat 3, and the supporting wheel shaft 202 is inserted into the U-shaped groove 301.

[0025] Specifically, the supporting wheel shaft 202 in the middle of the supporting wheel body 201 rotates through the bearing 203, reducing friction and improving rotation efficiency. The provision of the thermal insulation cotton 204 and the retaining ring 205 reduces the heat transfer to the bearing 203, protecting the bearing 203 from high temperature damage. The water pipe 9 is connected to the circulating water pipe through the rotary joint 8 to provide continuous cooling for the supporting wheel shaft 202.

[0026] like Figure 3-Figure 4As shown, as a preferred embodiment of the above embodiment, the frame body 100 includes an upper support plate 4, guide rods 5 are arranged on both sides of the lower end of the upper support plate 4, and the lower ends of the guide rods 5 are arranged on the lower connecting plate 6; the roller seat 3 is arranged at the upper end of the upper support plate 4; the lifting drive mechanism 7 is arranged at the lower end of the lower connecting plate 6; and the middle of the upper support plate 4 and the lower connecting plate 6 is provided with a support column 13. The upper support plate 4 of the frame body 100 is connected to the lower connecting plate 6 through the guide rod 5 to form a stable support structure. The roller seat 3 is located at the upper end of the upper support plate 4, and the lifting drive mechanism 7 is located at the lower end of the lower connecting plate 6, and the support column 13 provides additional stability.

[0027] It should be noted that, in this article, the terms include, contain or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. An intermediate wheel structure of an ultra-high temperature rotary kiln, characterized in that: The intermediate wheel structure is arranged at the lower end of the roller ring (1), and the roller ring (1) is arranged on the outer circumference of the furnace tube (10) of the rotary kiln, and the two are arranged concentrically; the intermediate wheel structure comprises a supporting wheel body (201), the supporting wheel body (201) is on the supporting wheel shaft (202), the supporting wheel shaft (202) is inserted into the supporting wheel seat (3), the supporting wheel seat (3) is arranged on the frame (100), and a lifting drive mechanism (7) is arranged in the middle of the lower end of the frame (100); the supporting wheel shaft (202) of the supporting wheel (2) is arranged in a hollow state, and the side end of the supporting wheel shaft (202) is connected to the water pipe (9); the furnace tube (10), the roller ring (1) and the supporting wheel body (201) are made of carbon fiber village material.

2. The intermediate wheel structure of an ultra-high temperature rotary kiln according to claim 1, characterized in that: A bearing (203) and a heat-insulating cotton (204) are arranged between the supporting wheel shaft (202) and the supporting wheel body (201), and a retaining ring (205) is arranged at the side end of the heat-insulating cotton (204); the supporting wheel shaft (202) is arranged on the supporting wheel seat (3), and the side end of the supporting wheel shaft (202) is connected to the water pipe (9), and the water pipe (9) is connected to the circulating water pipe through a rotating joint (8).

3. The intermediate wheel structure of an ultra-high temperature rotary kiln according to claim 1, characterized in that: A U-shaped groove (301) is provided on the supporting wheel seat (3), and the supporting wheel shaft (202) is inserted into the U-shaped groove (301).

4. The intermediate wheel structure of an ultra-high temperature rotary kiln according to claim 1, characterized in that: The frame body (100) comprises an upper support plate (4), guide rods (5) are arranged on both sides of the lower end of the upper support plate (4), and the lower ends of the guide rods (5) are arranged on the lower connecting plate (6); the supporting wheel seat (3) is arranged at the upper end of the upper support plate (4); and the lifting drive mechanism (7) is arranged at the lower end of the lower connecting plate (6).

5. The intermediate wheel structure of an ultra-high temperature rotary kiln according to claim 4, characterized in that: Support columns (13) are provided in the middle of the upper support plate (4) and the lower connecting plate (6).

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