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Related Experiment Videos

Ultrasound process tomography system for hydrocyclones

Schlaberg1, Podd, Hoyle

  • 1University of Leeds, School of Electronic and Electrical Engineering, UK. h.i.schlaberg@leeds.ac.uk

Ultrasonics
|June 1, 2000
PubMed
Summary

This study demonstrates how ultrasound tomography can visualize the air core in industrial hydrocyclones, crucial for efficient slurry separation. This technology enables monitoring and potential control of hydrocyclone processes and detection of wear.

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Area of Science:

  • Process Engineering
  • Non-invasive Imaging
  • Fluid Dynamics

Background:

  • Hydrocyclones are vital for slurry separation, with efficiency dependent on the air core's size and position.
  • Deviations in air core size, due to spigot wear or altered throughput, negatively impact separation efficiency and slurry quality.
  • Monitoring hydrocyclone performance is essential for process optimization and preventing contamination.

Purpose of the Study:

  • To adapt and implement a laboratory ultrasound tomography system for industrial hydrocyclone applications.
  • To visualize and monitor the air core's size, position, and dynamics within an industrial hydrocyclone.
  • To explore the potential of ultrasound tomography for process control and equipment wear detection.

Main Methods:

  • Development and application of a 16-transducer ultrasound tomography system to a 50 mm industrial hydrocyclone.

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  • Acquisition of time-of-flight data using a dedicated system with Digital Signal Processing (DSP).
  • Reconstruction of air core images within the hydrocyclone using captured data.

    • Main Results:

    • Successful visualization of the air core's size and position within the industrial hydrocyclone.
    • Demonstration of ultrasound tomography's capability to capture dynamic air core behavior.
    • Presentation of reconstructed images illustrating the air core under operational conditions.

    Conclusions:

    • Ultrasound tomography is a viable tool for visualizing and monitoring the air core in industrial hydrocyclones.
    • The technology offers potential for real-time process control, including flow rate adjustment based on air core size.
    • Ultrasound tomography can aid in detecting critical equipment wear, such as spigot degradation.