Description Générale

The Computer Controlled Spray Drier, "SSPC", allows to study processes that involve aqueous emulsions, solutions, suspensions andcolloidal solutions.

Peristaltic pump delivers the liquid sample from a container through a small diameter jet into the drying chamber. At the same timecompressed air enters the outer tube of the jet which causes the liquid to emerge as a fine atomized spray into the drying chamber. Heatedair is blown through the drying chamber evaporating the liquid content of the atomized spray.

The solid particles of the material are separated from the exhaust air flow by a cyclone and collected in the sample collection bottle. Theexhaust airflow is directed to the atmosphere or to an extraction system existing in the laboratory.

This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + aControl Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, forcontrolling the process and all parameters involved in the process.

Des exercices et pratiques guidées


  1. Operation principle of a spray drier.
  2. Effect of the drop size on the drying process.
  3. Effect of the air input temperature on the drying process.
  4. Effect of the feed flow of the product on the drying process.
  5. Mass balance of a spray drier.
  6. Spray drier efficiency.
  7. Sensors calibration.


  1. Energy balance of a spray drier.
  2. Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
  3. Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivate parameters, etc, in real time.
  4. The Computer Control System with SCADA and PID Control allow a real industrial simulation.
  5. This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  6. This unit can be used for doing applied research.
  7. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  8. Control of the SSPC unit process through the control interface box without the computer.
  9. Visualization of all the sensors values used in the SSPC unit process.
  10. By using PLC-PI additional 19 more exercises can be done.
  11. Several other exercises can be done and designed by the user.



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