A material rake sealing device that is easy to clean and resistant to high temperatures

Abstract

The utility model provides a material rake sealing device which is easy to clean and resistant to high temperatures, comprising two fixed flanges and a sealing structure arranged between the two fixed flanges, the fixed flanges and the sealing structure have a cavity in the middle and are provided with a material rake shaft, the sealing structure comprises a first barrier filler, a fixed plate for supporting the barrier filler, and a clamping plate for fixing the first barrier filler, one end of the fixed plate is fixedly installed with the two fixed flanges, one end of the clamping plate is detachably installed with the fixed plate, and the other end is movably installed with the fixed flanges, a support plate is arranged between the two fixed flanges in the circumferential direction close to the material rake shaft, the utility model conveniently opens the interior of the first barrier filler and the sealing device by arranging the first barrier filler, thereby facilitating the cleaning and maintenance of the sealing device.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing structures, in particular to a material rake sealing device which is easy to clean and resistant to high temperatures. Background Art

[0002] The material rake sealing device is a sealing device of the material rake shaft part, which is mainly used in denitrification processing. The material rake sealing device can avoid gas leakage. Gas leakage will not only increase the power consumption of the equipment, but also increase the load of the equipment, affecting the normal operation of the equipment. The existing material rake sealing device structural design has the following deficiencies: the structural design of the sealing device is cumbersome, and the interior of the sealing device needs to be opened to clean the internal debris. The sealing device usually needs to be disassembled, which is very inconvenient to operate. Utility Model Content

[0003] The problem that the utility model aims to solve is the inconvenience of cleaning the sealing device.

[0004] In order to solve the above technical problems, the utility model provides a material rake sealing device which is easy to clean and resistant to high temperatures, comprising two fixed flanges and a sealing structure arranged between the two fixed flanges, the middle parts of the fixed flanges and the sealing structure have a cavity and are provided with a material rake shaft, the sealing structure comprises a first barrier filler, a fixed plate for supporting the first barrier filler, and a clamping plate for fixing the first barrier filler, one end of the fixed plate is fixedly installed with the two fixed flanges, one end of the clamping plate is detachably installed with the fixed plate, and the other end is movably installed with the fixed flange.

[0005] Preferably, a support plate is provided between the two fixing flanges in the circumferential direction close to the material rake shaft, and a plurality of connection holes with equal distances are opened in the circumferential direction of the support plate.

[0006] Preferably, a plurality of columns equidistant from each other are provided on the surface of the support plate away from the material rake shaft.

[0007] Preferably, a limiting groove is provided in the circumferential direction on one side of the two fixing flanges close to the first barrier filler.

[0008] Preferably, one end of the clamping plate is hinged to one end of the fixing plate, and a mounting plate is provided at the other end corresponding to the fixing plate, a mounting hole is provided on the mounting plate, and the clamping plate and the fixing plate are mounted and fixed by bolts in the mounting holes.

[0009] Preferably, the fixing flange is provided with a second barrier filler between the material rake shaft and the support plate.

[0010] Preferably, an oil filling hole is provided on the top of the clamping plate.

[0011] Preferably, the mounting plate at one end of the clamping plate is provided with a baffle on a side close to the fixing plate, and the fixing groove is opened on the mounting plate at one end of the fixing plate, and the fixing groove is sealingly connected to the baffle.

[0012] Preferably, the first barrier filler is high temperature cotton.

[0013] Preferably, the second barrier filler is graphite packing.

[0014] Compared with the prior art, the utility model provides a material rake sealing device that is easy to clean and resistant to high temperatures, and has the following beneficial effects:

[0015] 1. The utility model provides a first barrier filler, a clamping plate and a fixed plate. The fixed plate and the clamping plate are arc-shaped and abut against the fixed flanges on both sides. The first barrier filler is provided in the fixed plate and abuts against the fixed flange and the fixed plate. The clamping plate is rotated toward the fixed plate so that the clamping plate drives the first barrier filler to be pressed, so that the first barrier filler is firmly fixed. The first barrier filler can be detachably installed through the clamping plate and the fixed plate, so that the first barrier filler can be conveniently opened, thereby facilitating the cleaning and maintenance of the sealing device. The first barrier filler and the second barrier filler are provided. The first barrier filler is high-temperature cotton and the second barrier filler is graphite packing. The high-temperature cotton is abutted against the support plate and the fixed flange, so as to improve the sealing effect and the heat resistance effect. The wear resistance effect is improved by the contact between the graphite packing and the material rake shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the clamping plate of the utility model in an open state;

[0017] Figure 2 It is the first schematic diagram of the main structure of the utility model;

[0018] Figure 3 It is the second schematic diagram of the main structure of the utility model;

[0019] Figure 4 It is a cross-sectional view of the main structure of the utility model.

[0020] In the figure: 1. fixing flange; 2. sealing structure; 3. first barrier filler; 4. fixing plate; 5. clamping plate; 6. support plate; 7. connecting hole; 8. column; 9. limiting groove; 10. mounting plate; 11. mounting hole; 12. second barrier filler; 13. oil filling hole; 14. baffle; 15. fixing groove. DETAILED DESCRIPTION

[0021] The utility model relates to a material rake sealing device which is easy to clean and resistant to high temperature. Figure 1-4As shown, it includes two fixed flanges 1 and a sealing structure 2 arranged between the two fixed flanges 1. The middle of the fixed flange 1 and the sealing structure 2 has a cavity and is provided with a material rake shaft. The sealing structure 2 includes a first barrier filler 3, a fixed plate 4 for supporting the first barrier filler, and a clamping plate 5 for fixing the first barrier filler 3. One end of the fixed plate 4 is fixedly installed with the two fixed flanges 1, one end of the clamping plate 5 is detachably installed with the fixed plate 4, and the other end is movably installed with the fixed flange 1. By arranging the fixed flange 1 and the sealing structure 2, the fixed flange 1 is installed on the surface of the material rake shaft. The installation method can be welding or screwing. A sealing structure 2 is arranged between the two fixed flanges 1, so that the material rake shaft and the sealing device are sealed and connected. By arranging the first barrier filler 3, the clamping plate 5 and the fixed plate 4, the fixed plate 4 and the clamping plate 5 are arc-shaped, and are abutted against the fixed flange 1 on both sides. The first barrier filler 3 is arranged in the fixed plate 4, and is abutted against the fixed flange 1 and the fixed plate 4. The clamping plate 5 is rotated toward the fixed plate 4, so that the clamping plate 5 drives the first barrier filler 3 to be pressed, so that the first barrier filler 3 is firmly fixed, and can be detachably installed through the clamping plate 5 and the fixed plate 4, so that the first barrier filler 3 is conveniently opened, thereby facilitating the maintenance and cleaning of the sealing device.

[0022] In an embodiment of the utility model, a support plate 6 is arranged between the two fixed flanges 1 in the circumferential direction close to the material rake shaft, and a plurality of connection holes 7 with equal distances are opened in the circumferential direction of the support plate 6. By arranging the support plate 6 and the connection holes 7, the bottom of the first barrier filler 3 is arranged on the support plate 6, and the top of the first barrier filler 3 is abutted against the fixed plate 4 and the clamping plate 5 to avoid contact between the first barrier filler 3 and the material rake shaft.

[0023] In an embodiment of the utility model, a plurality of columns 8 with equal distances are arranged on the surface of the support plate 6 away from the material rake axis. By arranging the columns 8, the first barrier filler 3 is divided into multiple parts by the columns 8, thereby reducing the shaking of the first barrier filler 3 and improving the stability of the first barrier filler 3 in the sealing device.

[0024] In an embodiment of the utility model, a limiting groove 9 is circumferentially provided on one side of the two fixing flanges 1 close to the first barrier filler 3. By setting the limiting groove 9, the limiting groove 9 is recessed toward the fixing flange 1, and the first barrier filler 3 is arranged in the fixing flange 1. The stability of the first barrier filler 3 is improved by the limiting groove 9.

[0025] In the embodiment of the utility model, one end of the clamping plate 5 is hinged to one end of the fixing plate 4, and the other end is provided with a mounting plate 10 corresponding to the fixing plate 4, and a mounting hole 11 is opened on the mounting plate 10. The clamping plate 5 and the fixing plate 4 are installed and fixed by bolts through the mounting hole 11. By providing the mounting plate 10 and the mounting hole 11, the two corresponding mounting plates 10 on the clamping plate 5 and the fixing plate 4 abut against each other, and then are installed and fixed by bolts and the mounting hole 11.

[0026] In the embodiment of the utility model, the fixed flange 1 is provided with a second barrier filler 12 between the material rake shaft and the support plate 6. By providing the second barrier filler 12, the wear resistance of the material rake shaft and the sealing device is improved.

[0027] In the embodiment of the utility model, an oil filling hole 13 is opened on the top of the clamping plate 5. By setting the oil filling hole 13, grease is injected into the clamping plate 5. By adding grease to the clamping plate 5, the interior of the sealing device is filled with grease, thereby improving the lubrication effect of the sealing device and the material rake shaft.

[0028] In an embodiment of the utility model, a mounting plate 10 at one end of the clamping plate 5 is provided with a baffle 14 on a side close to the fixed plate 4, and a fixing groove 15 is opened on the mounting plate 10 at one end of the fixed plate 4, and the fixing groove 15 is sealedly connected to the baffle 14. By providing the baffle 14 and the fixing groove 15, after the clamping plate 5 and the fixed plate 4 are installed and fixed, they are sealedly connected through the baffle 14 and the fixing groove 15, so that the grease is sealed inside the clamping plate 5.

[0029] In the embodiment of the utility model, the first barrier filler 3 is high temperature cotton. By providing the high temperature cotton, the high temperature cotton has high temperature resistance, thereby improving the heat resistance effect of the sealing device.

[0030] In the embodiment of the utility model, the second barrier filler 12 is a graphite packing. By providing the graphite packing, the graphite packing has wear-resistant characteristics, thereby improving the wear-resistant effect of the sealing device.

[0031] When in use, first, install the sealing device, and fix the two fixing flanges 1 and the surface of the material rake shaft. The fixing flange 1 can be installed by welding or screwing, etc., remove the bolts on the mounting plate 10 to separate the two mounting plates 10, and then rotate one end of the clamping plate 5 on one end of the mounting plate 10, and the clamping plate 5 is rotated to the top of the fixing plate 4, and then the first barrier filler 3 is set on the supporting plate 6, and at the same time, the first barrier filler 3 is abutted against the clamping plate 5 and the fixing plate 4, and the two sides of the first barrier filler 3 are set in the limit groove 9, ensure that the first barrier filler 3 and the limit groove 9 are in contact with each other and are divided into multiple parts by the column 8. Then rotate the clamping plate 5 to make the two mounting plates 10 abut against each other. Install and fix them through the mounting holes 11 and bolts. Move the clamping plate 5 toward the fixing plate 4, drive the first barrier filler 3 to be pressed firmly, and at the same time make the fixing groove 15 and the baffle 14 sealed and connected. Open the oil filling hole 13, inject grease into the clamping plate 5, so that the grease enters the second barrier filler 12 through the connecting hole 7, thereby lubricating the sealing device and the material rake shaft.

[0032] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A material rake sealing device that is easy to clean and resistant to high temperatures, comprising two fixed flanges (1) and a sealing structure (2) arranged between the two fixed flanges (1), characterized in that: The fixing flange (1) and the sealing structure (2) have a cavity in the middle and are provided with a material rake shaft. The sealing structure (2) comprises a first barrier filler (3), a fixing plate (4) for supporting the first barrier filler (3), and a clamping plate (5) for fixing the first barrier filler (3). One end of the fixing plate (4) is fixedly mounted on the two fixing flanges (1), one end of the clamping plate (5) is detachably mounted on the fixing plate (4), and the other end is movably mounted on the fixing flange (1).

2. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 1, characterized in that: A support plate (6) is arranged between the two fixed flanges (1) in the circumferential direction close to the material rake shaft, and a plurality of connection holes (7) spaced at equal distances are opened in the circumferential direction of the support plate (6).

3. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 2, characterized in that: A plurality of upright posts (8) spaced at equal distances are arranged on the surface of the support plate (6) away from the material rake shaft.

4. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 3, characterized in that: A limiting groove (9) is provided in the circumferential direction on one side of the two fixing flanges (1) close to the first barrier filler (3).

5. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 4, characterized in that: One end of the clamping plate (5) is hinged to one end of the fixing plate (4), and the other end is provided with a mounting plate (10) corresponding to the fixing plate (4). The mounting plate (10) is provided with a mounting hole (11), and the clamping plate (5) and the fixing plate (4) are fixedly mounted by bolts through the mounting hole (11).

6. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 5, characterized in that: The fixed flange (1) is located between the material rake shaft and the support plate (6) and is provided with a second barrier filler (12).

7. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 6, characterized in that: An oil injection hole (13) is provided on the top of the clamping plate (5).

8. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 7, characterized in that: The mounting plate (10) at one end of the clamping plate (5) is provided with a baffle (14) on a side close to the fixing plate (4), and a fixing groove (15) is provided on the mounting plate (10) at one end of the fixing plate (4), and the fixing groove (15) is sealedly connected to the baffle (14).

9. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 1, characterized in that: The first barrier filler (3) is high temperature cotton.

10. The easy-to-clean, high-temperature-resistant material rake sealing device according to claim 6, characterized in that: The second barrier filler (12) is graphite packing.

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