QDTGC Устройство диффузии и передачи газовой массы, управляемое с компьютера (ПК)

COMPUTER CONTROLLED GASEOUS MASS TRANSFER AND DIFFUSION UNIT - QDTGC

ИННОВАЦИОННЫЕ СИСТЕМЫ

The Computer Controlled Gaseous Mass Transfer and Diffusion Unit, "QDTGC", allows the students to familiarize with the theoretical concepts about mass transfer unit operations, specifically the diffusion of a volatile liquid in an inert gas, obtaining very useful experimental data and results for the good practical understanding of the process and, therefore, for the technical training of the students.

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ОБЩЕЕ ОПИСАНИЕ

The Computer Controlled Gaseous Mass Transfer and Diffusion Unit, "QDTGC", allows the students to familiarize with the theoretical concepts about mass transfer unit operations, specifically the diffusion of a volatile liquid in an inert gas, obtaining very useful experimental data and results for the good practical understanding of the process and, therefore, for the technical training of the students.

The unit consists of a vertical capillary tube with a volatile solvent (liquid A) and gas (air), which will flow horizontally under laminar flow conditions in the upper end of the tube. This air is introduced by a computer controlled blower.

The capillary will be introduced in an adjustable temperature computer controlled thermostatic bath, which will work following the double boiler method. The solvent will be evaporated slowly due to the thermal energy of the bath. And due to the concentration gradient, the gaseous solvent will be dispersed upwards, from the surface of the liquid solvent towards the pure air. The air flow will transport the molecules of the solvent and the volume of the liquid solvent in the tube will be reduced. There is an optical system with fine focusing adjustment to measure this level difference and displacement sensor.

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

УПРАЖНЕНИЯ И ПРИМЕРЫ С ИНСТРУКЦИЯМИ

РУКОВОДСТВО ПО ПРАКТИЧЕСКИМ УПРАЖНЕНИЯМ ВКЛЮЧЕНО В РУКОВОДСТВО ПОЛЬЗОВАТЕЛЯ

  1. Fick´s law application to calculate the diffusivity.
  2. Direct measurement of mass transfer rates.
  3. Determination of molar density transfer rate.
  4. Study of the effect of temperature on diffusion coefficients.
  5. Use of gas laws to calculate concentration differences in terms of partial pressures.
  6. Graphic representation of concentration profiles.
  7. Sensors calibration.

БОЛЬШЕ ПРАКТИЧЕСКИХ УПРАЖНЕНИЙ ДЛЯ РАБОТЫ С УСТРОЙСТВОМ

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

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