Roots blowers, often recognized as essential components in numerous industrial applications, represent a blend of precision engineering and functional versatility. Essentially, they are rotary lobe pumps, widely used for their ability to efficiently move air or gases in various systems. Their importance spans a multitude of industries, including wastewater treatment, pneumatic conveying, vacuum production, and aquaculture. The key to their wide utility lies in their design: they provide a constant volume of airflow while maintaining low pulsation levels, making them indispensable in operations that require consistent and reliable air movement.Roots blowers have evolved into various models, each tailored to specific needs and applications. 

The most common types include:

Two-Lobe Blowers: The classic design, featuring two lobes per rotor. Known for their simplicity and effectiveness in a wide range of applications.

Three-Lobe Blowers: A more advanced design where each rotor has three lobes. This model reduces pulsation and noise compared to the two-lobe variant, making it suitable for noise-sensitive environments.

Vacuum pumps: Specifically designed for applications requiring a high level of vacuum. These blowers are engineered to deliver lower flow rates but at much higher vacuum pressures.

The operational mechanics of a Roots blower are fascinating in their simplicity and effectiveness. Central to its function are the two or three-lobed rotors, which rotate synchronously within a casing. These rotors are mounted on parallel shafts and are synchronized (usually with gears) to maintain precise alignment without physical contact. As a lobe passes the inlet port, it traps a fixed volume of air or gas and carries it around the casing to the discharge port. The key aspect here is that the air is not compressed within the blower, but simply moved, meaning the blower operates at constant volume. Compression actually occurs in the discharge line due to the system's back pressure.

We can think of it as a continuous air conveyor belt, where each segment (lobe) picks up air, moves it along the casing, and releases it at the discharge port. This design ensures a steady, pulsation-free flow, crucial for many industrial processes.

The above is A brief introduction to the type and function of roots blower. If you are interested in our roots blower, please contact us at anytime.