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Sealing Technology And Application in Rotary Joints

Views: 1999     Author: Site Editor     Publish Time: 2024-10-17      Origin: Site

Sealing Technology And Application in Rotary Joints



The application of sealing technology in rotary joints is crucial, as it directly affects the performance, lifespan, and transmission efficiency of the medium.  The following is a detailed analysis of the application of sealing technology in rotary joints:



1、 Types of Sealing Technologies


There are various sealing technologies used in rotary joints, mainly including the following types:


1) Flat seal (mechanical seal):

① Principle: The sealing surface is tightly bonded by mechanical means to form a sealed barrier.

② Features: Stable sealing performance, but high processing accuracy requirements, suitable for high pressure, high temperature, high speed and other working conditions.

③ Application: It is commonly used in single loop rotary joints, especially in industries such as petroleum and chemical.


2) Spherical seal (concave convex tight fit seal):

① Principle: The tight fit between the spherical and conical surfaces is used to achieve sealing, and a sealing surface is formed by mutual compression.

② Features: Good sealing performance, easy disassembly and assembly, but the processing quality and grinding accuracy have a significant impact on the sealing effect.

③ Application: In occasions that require frequent disassembly and maintenance, such as the pharmaceutical, food, and other industries.


3) Wire seal (O-ring seal):

① Principle: Fill the sealing gap through the elastic deformation of the O-ring to form a seal.

② Features: The sealing structure is simple and easy to install, but the sealing effect is greatly affected by factors such as medium pressure and temperature.

③ Application: Suitable for sealing under low pressure, room temperature and other working conditions.



2、 The application effect of sealing technology


1) Preventing medium leakage: Sealing technology can ensure that the rotary joint does not leak during high-speed rotation and medium transmission, ensuring production safety and environmental protection.

2) Extended service life: Good sealing performance can reduce the erosion and corrosion of the sealing surface by the medium, lower the wear rate, and thus extend the service life of the rotary joint.

3) Improving transmission efficiency: Sealing technology can ensure stable transmission of media, reduce media loss and energy waste caused by leakage, and improve production efficiency and economic benefits.



3、 Precautions for Sealing Technology

1) Material selection: The selection of sealing materials should be comprehensively considered based on the properties of the medium, temperature, pressure, and other factors to ensure that the sealing materials have good corrosion resistance, wear resistance, and high temperature resistance.

2) Processing accuracy: The processing accuracy of the sealing surface is crucial for the sealing effect, and the processing error should be strictly controlled to ensure that the sealing surface is flat and smooth.

3) Installation and commissioning: The installation of seals should be strictly carried out in accordance with the operating procedures to ensure that the seals are installed in place and undamaged. At the same time, necessary debugging and testing should be carried out to ensure that the sealing effect meets the design requirements.

4) Regular inspection and maintenance: Regularly inspect and maintain the sealing performance of rotary joints, promptly detect and handle sealing failure issues, and avoid the expansion of faults and the aggravation of losses.




In summary, the application of sealing technology in rotary joints is multifaceted and comprehensive.  By selecting appropriate sealing technologies, materials, and strengthening installation, debugging, and maintenance work, the sealing performance of the rotary joint can be ensured to reach its optimal state, providing reliable guarantees for production.


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