Steam rotary joint is a precision mechanical device designed specifically for conveying high-temperature steam. It can continuously and stably transmit steam while the equipment components rotate relative to each other, ensuring the efficient operation of the entire system. The following is a detailed analysis of the working principle of steam rotary joints:

1. Steam introduction

2. Rotary transmission

3. Steam output

1. Dynamic sealing

The key to steam rotary joints lies in how to achieve reliable sealing between the relatively rotating shell and rotor. This usually relies on high-performance seals, such as carbon rings, graphite seals, or mechanical seals. These sealing components form one or more sealing barriers through precision machined surface contact, line contact, or end face friction, effectively preventing steam leakage along the rotating interface.

2. Compensation and cooling

In response to the potential thermal deformation and increased wear of sealing materials caused by high steam temperatures, advanced steam rotary joints often use thermal expansion compensation mechanisms (such as corrugated pipes, floating sealing rings, etc.) and cooling systems (such as built-in cooling channels, air gap cooling, etc.). The compensation mechanism can adapt to size changes caused by temperature differences and maintain a constant sealing gap; The cooling system reduces the working temperature of the joint by circulating the cooling medium, protects the sealing components, and extends their service life.

In summary, steam rotary joints, with their unique and precise structural design, have successfully achieved efficient and stable steam transmission under relative rotation of equipment components through the collaborative work of core components such as shells, rotors, and seals. They are essential key equipment in modern industry for handling high-temperature steam.

Maximum speed: 750 RPM
Maximum speed: torque at 120 PSI/8 bar
Maximum pressure: 200 PSI 14 bar
Maximum temperature: 120 ° C>120 degree C
*Only cold water (up to 50 degree C) is allowed to exceed a pressure of 8 bars
 

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