QUCC/A Computer Controlled Advanced Crystallization Unit

COMPUTER CONTROLLED ADVANCED CRYSTALLIZATION UNIT - QUCC/A

혁신적인 시스템

The Computer Controlled Advanced Crystallization Unit "QUCC/A", designed by EDIBON, is a crystallization unit based on the cooling method that allows for observing and studying of the mass transfer industrial operation in which a solid is formed from a homogeneous phase (dissolved solute).

일반적인 설명보기

일반적인 설명

The Computer Controlled Advanced Crystallization Unit, "QUCC/A", designed by EDIBON, is a crystallization unit based on the cooling method that allows for observing and studying the mass transfer industrial operation in which a solid is formed from a homogeneous phase (dissolved solute). It is suitable for crystallization tests of those components whose solubility changes with temperature.

The process is divided into two stages, the first one consists on saturating the solution of the compound to be purified and the second one consists on cooling the solution to obtain crystals.

The process takes place in two circuits with two tanks. One circuit has the saturated solution and its tank includes a temperature sensor and a computer controlled stirrer. The other circuit has the undersaturated solution and its tank includes a temperature sensor.

When the solution is undersaturated, a pump impels it to a heat exchanger (formed by two concentric tubes heat exchangers) to increase its temperature and, thus, to saturate the solution and prevent an early crystallization. The solution flows through the central tube, while water heated in a tank by a heating element computer controlled and impelled by a pump flows through the jacket. The temperature of this heating water can be controlled.

When the solution is saturated, it is transferred to the stirred tank, where the same pump impels it to a crystallization cell through a bypass circuit.

The solution enters the crystallization cell crossing a heat exchanger (formed by two concentric tubes heat exchangers) to cool the solution and make it become a supersaturated solution. To supply the exchanger’s cooling water, the user can choose either a tap or our recommended element: Refrigeration Water Recirculation Unit "TERA".

The crystallization cell consists of a tube with porous filters at the inlet and outlet. The cell can be opened to introduce seed crystals.

The flow conditions cause a fluidized bed in the cell that may be studied.

The cell is transparent so the crystallization phenomenon can be observed. The growth rate of the crystals can be determined by weighing the crystals before and after the test and measuring the time.

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.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. Understanding the principles of the cooling crystallization of solutions.
  2. Study of the crystallization of solutions in a fluidized bed.
  3. Study of the crystals size distribution.
  4. Study of the factors that influence the crystals’ growth:
  • Cooling temperature.
  • Stirring level.
  • Saturation time.
  • Oversaturation.
  1. Sensors calibration.

장비로 수행 할 수있는 더 많은 실용적 연습

  1. Many students view results simultaneously. T 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. his 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/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 QUCC/A unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the QUCC/A 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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