A sealing structure of a rotary kiln

Abstract

This utility model provides a sealing structure for a rotary kiln. The sealing structure includes: a rotary body; a cooling structure, which is fixedly connected to one end of the rotary body. A kiln head cover is installed on the outer surface of the cooling structure near the other end via the sealing structure. Connectors are installed on the outer surface of the cooling structure at both the top and bottom positions. A heat dissipation pipe is fixedly connected to the bottom of the lower connector, and a solenoid valve is installed at the top of the upper connector. Multiple heat dissipation fins are installed on the outer surface of the cooling structure; and a base plate, which is fixedly connected to the top of the rotary body. The sealing structure of the rotary kiln provided by this utility model uses air cooling and water cooling to reduce the temperature of the sealing structure, effectively reducing the temperature it withstands, maintaining the stability of the seal, and extending its service life.

Description

Technical Field

[0001] This utility model relates to the technical field of rotary kiln sealing structure, and in particular to a sealing structure for a rotary kiln. Background Technology

[0002] Environmentally friendly rotary kilns are a subcategory of rotary kiln equipment, belonging to building materials equipment. They are mainly used in the building materials, metallurgy, chemical and environmental protection industries for the calcination, roasting or chemical treatment of solid materials. Their structure includes components such as kiln shell, kiln ring, and supporting rollers. The kiln shell is lined with refractory material, and continuous operation is achieved through rotation.

[0003] The rotary kiln's sealing structure reduces air and ash leakage, improves sealing stability, extends component life, and ensures production safety. The rotary kiln's sealing structure uses a flexible sealing sheet for ring sealing. In case of abnormalities, the electric push rod adjusts the position and pressure, and the automatic compensation mechanism responds to changes in the kiln's dimensions.

[0004] During use or when conveying high-temperature media, the sealing structure of a rotary kiln is prone to deformation or damage due to high temperatures, which accelerates the aging of the sealing structure and affects the sealing effect.

[0005] Therefore, it is necessary to provide a sealing structure for rotary kilns to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a sealing structure for a rotary kiln, which solves the problem that the sealing structure of a rotary kiln used in high-temperature environments is prone to deformation and aging, which affects the sealing effect.

[0007] To solve the above-mentioned technical problems, the sealing structure of the rotary kiln provided by this utility model includes: a rotary body;

[0008] The cooling structure is fixedly connected to one end of the rotating body. A kiln head cover is installed on the outer surface of the cooling structure near the other end through a sealing structure. Connectors are installed on the outer surface of the cooling structure at the top and bottom. A heat dissipation pipe is fixedly connected to the bottom of the lower connector, and a solenoid valve is installed at the top of the upper connector. Multiple heat dissipation base plates are installed on the outer surface of the cooling structure.

[0009] A base plate is fixedly connected to the top of the rotating body. A conveying assembly is installed on the top of the base plate. A conveying pipe is installed at the outlet of the conveying assembly. A filter assembly is installed on the top of the base plate. A sealing plug is threadedly connected to the top of the filter assembly.

[0010] The connector is located at one end near the rotating body. The heat sink and the sealing structure are staggered. One side of the filter assembly is connected to the other end of the heat sink. The inlet of the conveying assembly is connected to the filter assembly. Opening the sealing plug allows the high-temperature liquid to be extracted and the low-temperature liquid to be replenished. The other end of the conveying pipe is connected to the top of the solenoid valve. The heat sink is used to assist in heat dissipation. A channel for liquid flow is opened between the inner and outer surfaces of the cooling structure.

[0011] Preferably, the filter assembly includes a filter frame, an interceptor component, and a sealing structure. The sealing structure is located at the top of the filter frame to seal the bottom. The interceptor component is installed inside the filter frame to filter impurities. The filter frame is installed on the top of the base plate.

[0012] The interceptor component can filter impurities in the liquid.

[0013] Preferably, the conveying assembly includes a protective shell, a conveying component, and a suction tube. The protective shell is installed on the top of the base plate, the conveying component is installed inside the protective shell to provide conveying force, and the suction tube is installed at the inlet of the conveying component for connection with the filtering assembly.

[0014] The conveying component is a pump capable of conveying high-temperature or low-temperature liquids.

[0015] Preferably, an injection component is installed on the top position of the outer surface of the sealing structure, and a channel for liquid to flow is opened inside the sealing structure;

[0016] The outer surface of the kiln head cover has an opening at the top to facilitate the injection component to pass through, but the connection is sealed. The mounting holes on the inner surface of the sealing structure near the same position at both ends are a set.

[0017] Preferably, the injection assembly includes an injection tube and a sealing cap, the injection tube being mounted on the outer surface of the sealing structure, and the sealing cap being mounted on the top end of the injection tube.

[0018] Preferably, the inner surface of the sealing structure is provided with multiple mounting holes near both ends, and a monitoring component is installed inside each set of mounting holes.

[0019] Preferably, the monitoring component includes a fixed base, a docking pad, and a monitoring component. The fixed base is installed on one end of the inner wall of the mounting hole, the monitoring component is installed on one end of the fixed base, and the docking pad is installed on the monitoring end of the monitoring component.

[0020] The mating gasket is made of the same material as the sealing structure, and it can block the opening of the mounting hole.

[0021] Compared with related technologies, the sealing structure of the rotary kiln provided by this utility model has the following beneficial effects:

[0022] This invention provides a sealing structure for a rotary kiln. To improve the sealing effect and slow down the aging process, a hollow cooling structure with an inner and outer surface is installed between the rotary body and the kiln head hood. The sealing structure is then fitted onto the outer surface of the cooling structure, connecting the outer surface of the sealing structure to the inner surface of the kiln head hood to achieve a seal. Connectors are installed at the top and bottom of the cooling structure to facilitate the injection and discharge of cooling liquid. Then, only the conveying pipe with a solenoid valve and the conveying assembly need to be connected, and one side of the filter assembly is connected to the heat dissipation pipe. One end of the heat dissipation pipe is also connected to the connector at the bottom, forming a closed-loop liquid flow channel for auxiliary heat dissipation. This design uses air cooling and water cooling to reduce the temperature of the sealing structure, effectively reducing the temperature it withstands, maintaining the stability of the seal, and extending its service life. Attached Figure Description

[0023] Figure 1 A schematic diagram of the first embodiment of the sealing structure of the rotary kiln provided by this utility model;

[0024] Figure 2 A structural schematic diagram of the sealing structure is provided for this utility model;

[0025] Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown;

[0026] Figure 4 A schematic diagram of the structure of the conveying component provided by this utility model;

[0027] Figure 5 A schematic diagram of the second embodiment of the sealing structure of the rotary kiln provided by this utility model;

[0028] Figure 6 A schematic diagram of the monitoring component is provided for this utility model;

[0029] Figure 7 Provided for this utility model Figure 6 A magnified view of point B shown.

[0030] The following are the labeling elements in the diagram: 1. Rotary body; 2. Base plate; 3. Filter assembly; 301. Filter frame; 302. Interception component; 303. Sealing structure; 4. Conveying assembly; 401. Protective shell; 402. Conveying component; 403. Suction pipe; 5. Conveying pipe; 6. Kiln head hood; 7. Cooling structure; 8. Heat dissipation base; 9. Heat dissipation pipe; 10. Sealing structure; 11. Sealing plug; 12. Solenoid valve; 13. Connector; 14. Injection assembly; 141. Injection pipe; 142. Sealing cover; 15. Monitoring assembly; 151. Fixed base; 152. Docking pad; 153. Monitoring component; 16. Mounting hole. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] First Embodiment

[0033] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic diagram of the first embodiment of the sealing structure of the rotary kiln provided by this utility model; Figure 2 A structural schematic diagram of the sealing structure is provided for this utility model; Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown; Figure 4 A schematic diagram of the conveying component provided by this utility model. The sealing structure of the rotary kiln includes: a rotary body 1;

[0034] Cooling structure 7 is fixedly connected to one end of the rotating body 1. A kiln head cover 6 is installed on the outer surface of the cooling structure 7 near the other end through a sealing structure 10. Connectors 13 are installed on the outer surface of the cooling structure 7 at the top and bottom. A heat dissipation pipe 9 is fixedly connected to the bottom of the lower connector 13, and a solenoid valve 12 is installed at the top of the upper connector 13. Multiple heat dissipation base plates 8 are installed on the outer surface of the cooling structure 7.

[0035] The base plate 2 is fixedly connected to the top of the rotating body 1. A conveying assembly 4 is installed on the top of the base plate 2. A conveying pipe 5 is installed at the outlet of the conveying assembly 4. A filter assembly 3 is installed on the top of the base plate 2. A sealing plug 11 is threadedly connected to the top of the filter assembly 3.

[0036] The connector 13 is located at one end near the rotating body 1. The positions of the heat dissipation base 8 and the sealing structure 10 are staggered. One side of the filter assembly 3 is connected to the other end of the heat dissipation pipe 9. The inlet of the conveying assembly 4 is connected to the filter assembly 3. Opening the sealing plug 11 can extract high-temperature liquid and replenish low-temperature liquid. The other end of the conveying pipe 5 is connected to the top of the solenoid valve 12. The heat dissipation base 8 is used to assist in heat dissipation. A channel for liquid to flow is opened between the inner and outer surfaces of the cooling structure 7. The outer surface of the cooling structure 7 is made of a material with fast thermal conductivity, and the inner surface of the cooling structure 7 is made of a material with low thermal conductivity.

[0037] Please refer to Figure 1 and Figure 2 The filter assembly 3 includes a filter frame 301, an interception component 302, and a sealing structure 303. The sealing structure 303 is located at the top of the filter frame 301 to seal the bottom. The interception component 302 is installed inside the filter frame 301 to filter impurities. The filter frame 301 is installed on the top of the base plate 2.

[0038] The interceptor component 302 can filter impurities in the liquid and prevent them from adhering to the inside of the pipe.

[0039] Please refer to Figure 1 and Figure 4 The conveying assembly 4 includes a protective shell 401, a conveying component 402, and a suction tube 403. The protective shell 401 is installed on the top of the base plate 2. The conveying component 402 is installed inside the protective shell 401 to provide conveying force. The suction tube 403 is installed at the inlet of the conveying component 402 to connect with the filter assembly 3.

[0040] The conveying component 402 is a pump that can convey high-temperature or low-temperature liquids.

[0041] The working principle of the sealing structure of the rotary kiln provided by this utility model is as follows:

[0042] A hollow cooling structure 7 is installed between the inner and outer surfaces of the rotating body 1 and the kiln head hood 6. Then, a sealing structure 10 is fitted onto the outer surface of the cooling structure 7, connecting the outer surface of the sealing structure 10 to the inner surface of the kiln head hood 6 to achieve a seal. Connectors 13 are installed at the top and bottom of the cooling structure 7 to facilitate the injection and discharge of cooling liquid. Then, the conveying pipe 5 with the solenoid valve 12 is connected to the conveying assembly 4, and one side of the filter assembly 3 is connected to the heat dissipation pipe 9. One end of the heat dissipation pipe 9 is connected to the connector 13 at the bottom to form a closed-loop liquid flow channel for auxiliary heat dissipation. In actual use, when the sealing structure 10 needs to be cooled, the conveying assembly 4 is activated to make the liquid in the cooling structure 7 flow. At the same time, the heat dissipation pipe 9, together with the outside airflow, exchanges heat with the outside air to achieve liquid cooling. At the same time, the sealing structure 10 on the filter assembly 3 can be opened to extract the high-temperature liquid and inject the low-temperature liquid to maintain the heat dissipation effect.

[0043] Compared with related technologies, the sealing structure of the rotary kiln provided by this utility model has the following beneficial effects:

[0044] To improve the sealing effect of the rotary kiln sealing structure and slow down its aging, a hollow cooling structure 7 is installed between the inner and outer surfaces of the rotary body 1 and the kiln head hood 6. Then, the sealing structure 10 is fitted onto the outer surface of the cooling structure 7, connecting the outer surface of the sealing structure 10 to the inner surface of the kiln head hood 6 to achieve a seal. Connectors 13 are installed at both the top and bottom of the cooling structure 7 to facilitate the injection and discharge of cooling liquid. Then, the conveying pipe 5 with the solenoid valve 12 is connected to the conveying assembly 4, and one side of the filter assembly 3 is connected to the heat dissipation pipe 9. One end of the heat dissipation pipe 9 is also connected to the connector 13 at the bottom, forming a closed-loop liquid flow channel for auxiliary heat dissipation. This design uses both air and water cooling to reduce the temperature of the sealing structure 10, effectively reducing the temperature it withstands, maintaining the stability of the seal, and extending its service life.

[0045] Second Embodiment

[0046] Please refer to the following: Figures 5-6 - Figure 7 , Figure 5 A schematic diagram of the second embodiment of the sealing structure of the rotary kiln provided by this utility model; Figure 6 A schematic diagram of the monitoring component is provided for this utility model; Figure 7 Provided for this utility model Figure 6The enlarged view at point B shows a rotary kiln sealing structure based on the first embodiment of this application. The second embodiment of this application proposes another rotary kiln sealing structure. The second embodiment is merely a preferred embodiment of the first embodiment, and its implementation will not affect the independent implementation of the first embodiment.

[0047] Specifically, the difference in the sealing structure of the rotary kiln provided in the second embodiment of this application is as follows, please refer to... Figure 5 An injection assembly 14 is installed on the top of the outer surface of the sealing structure 10, and a channel for liquid to flow is opened inside the sealing structure 10.

[0048] The outer surface of the kiln head cover 6 has an opening at the top position to facilitate the injection component 14 to pass through, but the connection is sealed. The mounting holes 16 at the same position near both ends of the inner surface of the sealing structure 10 are a group. The sealing structure 10 is made of high temperature resistant material, and the internal channel can facilitate the flow of liquid to pressurize the inside of the sealing structure 10.

[0049] Please refer to Figure 5 and Figure 6 The injection assembly 14 includes an injection tube 141 and a sealing cap 142. The injection tube 141 is mounted on the outer surface of the sealing structure 10, and the sealing cap 142 is mounted on the top end of the injection tube 141.

[0050] The sealing cap 142 and the top of the injection tube 141 are threaded together.

[0051] Please refer to Figure 6 and Figure 7 The inner surface of the sealing structure 10 is provided with multiple mounting holes 16 near both ends, and a monitoring component 15 is installed inside each set of mounting holes 16.

[0052] The monitoring component 15 can monitor the contact pressure values ​​between the outer and inner surfaces of the sealing structure 10 and the contact surface.

[0053] Please refer to Figure 6 and Figure 7 The monitoring component 15 includes a fixed base 151, a docking pad 152, and a monitoring component 153. The fixed base 151 is installed at one end of the inner wall of the mounting hole 16, the monitoring component 153 is installed at one end of the fixed base 151, and the docking pad 152 is installed at the monitoring end of the monitoring component 153.

[0054] The mating gasket 152 is made of the same material as the sealing structure 10. The mating gasket 152 can block the opening of the mounting hole 16, and the monitoring component 153 can monitor the pressure value.

[0055] Compared with related technologies, the sealing structure of the rotary kiln provided by this utility model has the following beneficial effects:

[0056] To enable timely monitoring and adjustment of the sealing effect of the sealing structure 10, multiple sets of mounting holes 16 are made on the inner surface of the sealing structure 10 near both ends. The monitoring component 15 is then installed in the mounting holes 16 to monitor the sealing effect between the inner and outer surfaces of the sealing structure 10 near both ends and between the cooling structure 7 and the kiln head hood 6. At the same time, a liquid injection component 14 is provided inside the sealing structure 10 to allow liquid to flow and inject flexible self-replenishing liquid into the sealing structure 10. If the sealing effect data fluctuates at the corresponding position, self-replenishing liquid can be injected into the sealing structure 10. If leakage occurs, it can be self-replenished in time. If there is no leakage, the pressure inside the sealing structure 10 can be increased to make the inner and outer surfaces and contact positions of the sealing structure 10 fit better and improve the sealing effect.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A seal structure for a rotary kiln, characterized by, include: Rotating body; The cooling structure is fixedly connected to one end of the rotating body. A kiln head cover is installed on the outer surface of the cooling structure near the other end through a sealing structure. Connectors are installed on the outer surface of the cooling structure at the top and bottom. A heat dissipation pipe is fixedly connected to the bottom of the lower connector, and a solenoid valve is installed at the top of the upper connector. Multiple heat dissipation base plates are installed on the outer surface of the cooling structure. A base plate is fixedly connected to the top of the rotating body. A conveying assembly is installed on the top of the base plate, and a conveying pipe is installed at the outlet of the conveying assembly. A filter assembly is installed on the top of the base plate, and a sealing plug is threadedly connected to the top of the filter assembly.

2. The seal structure for a rotary kiln according to claim 1, characterized by, The filter assembly includes a filter frame, an interceptor component, and a sealing structure. The sealing structure is located at the top of the filter frame to seal the bottom. The interceptor component is installed inside the filter frame to filter impurities. The filter frame is installed on the top of the base plate.

3. The seal construction for a rotary kiln of claim 1 wherein, The conveying assembly includes a protective shell, a conveying component, and a suction tube. The protective shell is mounted on top of the base plate, the conveying component is mounted inside the protective shell to provide conveying force, and the suction tube is mounted at the inlet of the conveying component for connection with the filtering assembly.

4. The seal construction for a rotary kiln of claim 1 wherein, An injection assembly is installed on the top of the outer surface of the sealing structure, and a channel for liquid to flow is opened inside the sealing structure.

5. The seal construction for a rotary kiln of claim 4 wherein, The injection assembly includes an injection tube and a sealing cap, the injection tube being mounted on the outer surface of the sealing structure and the sealing cap being mounted on the top end of the injection tube.

6. The sealing structure of the rotary kiln according to claim 1, characterized in that, The inner surface of the sealing structure is provided with multiple mounting holes near both ends, and a monitoring component is installed inside each set of mounting holes.

7. The seal construction for a rotary kiln of claim 6 wherein, The monitoring component includes a fixed base, a docking pad, and a monitoring component. The fixed base is installed at one end of the inner wall of the mounting hole, the monitoring component is installed at one end of the fixed base, and the docking pad is installed at the monitoring end of the monitoring component.

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