MEDIUM PHASE CONVEYING:

In a process where the amount of air circulated through its volume and velocity is decreased, allowing for an influx of product in its place, medium phase conveying is an often integral part of the pneumatic conveying system’s functioning.

As the stream of particles pass through the line and the conveying air velocity is reduced, the particles reach a point of saltation velocity whereby they start dropping out of the air stream and start to form a bed of material that’s ever-moving along the bottom of the pipe.

For a “medium phase system” – the air velocity itself is expertly controlled by an intelligent speed control and monitoring system, which controls the blower output, monitors the pressure and air velocity and ensures that the particles travel just above the suspension point.

STB Engineering have been providing specialist pneumatic conveying technology since its founding in 1969, becoming the UK’s leader in Bulk Material Handling and Pneumatic Conveying.

Not sure what you’re looking for when it comes to medium phase conveying? If you can’t find the answers here, or have some queries regarding the process and how STB Engineering can be of assistance to your company, simply contact us today and one of our specialists will be on hand to elucidate any points that you’re unclear on.

  • Conveying pressures up to 1.0 barg
  • Medium product / air ratio, generally 15-30:1
  • Suitable for fragile or friable materials
  • Conveying velocities 8-18 m/s

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