Multi Passage Rotary Union

The multi-path rotary joint is a highly integrated and powerful fluid transfer device that is unique in its ability to achieve continuous and stable transmission of multiple media (such as water, oil, gas, etc.) through multiple independent channels simultaneously during device rotation. The following details the operation of the multi-path rotary joint:

1. Structure composition and channel setting

The multi-channel rotary joint is mainly composed of static ring, dynamic ring, sealing assembly, supporting bearing, shell and connecting flange. It is provided with a plurality of independent fluid channels, each of which contains a liquid inlet, a liquid outlet and a rotating channel through a dynamic and static ring. These channels are isolated from each other to ensure that different media do not interfere with each other, and each can independently complete the transmission task.

2. Relative rotation and sealing mechanism of dynamic and static rings

During the operation of the equipment, the static ring is fixed on the main body of the equipment or the pipeline, while the moving ring rotates with the rotating shaft. The gap between the two is very small, and it is equipped with precision sealing components (such as silicon carbide sealing ring, metal bellows, mechanical seals, etc.) to form a reliable dynamic sealing interface. When the medium enters from the liquid inlet on the static ring side, through the isolation effect of these sealing components, it can flow smoothly along the predetermined channel to the liquid outlet while the dynamic ring is rotating, so as to realize the non-leakage transmission of the medium in the rotating state of the equipment.

3. Axial and radial compensation function

The multi-pass rotary joint has a precision bearing system and elastic components, and has good axial and radial compensation ability. When the equipment produces axial displacement or Angle deflection due to thermal expansion and cold contraction, installation error or working vibration, the compensation mechanism inside the joint can automatically adjust the gap between the static and static rings, maintain the best seal state, and ensure the stability of media transmission in each channel.

4. Maintenance convenience and monitoring function

High-quality multi-pass swivel joints are usually designed with convenient maintenance interfaces and condition monitoring devices. For example, the detachable structure facilitates regular inspection and replacement of seals, extending the service life of the joint; The access of monitoring elements such as pressure gauge and temperature sensor enables operators to monitor the media pressure, temperature and other parameters in each channel in real time, discover and deal with abnormal situations in time, and ensure the safe and efficient operation of the system.

In summary, the multi-channel rotary joint achieves multi-channel synchronization, leak-free and stable transmission of a variety of media under the rotating state of the equipment through ingenious structural design, precision sealing technology and built-in compensation and monitoring functions, which greatly improves the flexibility and efficiency of fluid management in complex industrial systems.

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