PLC-PDSC PLC Industrial Process Control for PDSC

COMPUTER CONTROLLED SEDIMENTATION TANK - PDSC

혁신적인 시스템

The Computer Controlled Sedimentation Tank, "PDSC", is a teaching unit, designed by EDIBON, to demonstrate the sedimentation process and to familiarize with the settling principle of discrete particles settling into a tank. It will also allow to study the hydraulic characteristics of a rectangular sedimentation tank which works in continuous.

일반적인 설명보기

일반적인 설명

The Computer Controlled Sedimentation Tank, "PDSC", is a teaching unit, designed by EDIBON, to demonstrate the sedimentation process and to familiarize with the settling principle of discrete particles settling into a tank. It will also allow to study the hydraulic characteristics of a rectangular sedimentation tank which works in continuous.

As it is a laboratory unit, it allows to obtain valid conclusions about its operation and to apply them to the operation of a real scale unit.

The great advantage of the "PDSC" unit is that its sedimentation tank is made of transparent material. So, this allows the student to understand the sedimentation principles. This fact allows to carry out several practices, as well as to make easier the comprehension of the different variables influence on the process.

The practical exercises start preparing a suspension in the suspension tank, placed at the unit lower part. A computer controlled pump drives the suspension from the suspension tank to the sedimentation tank with a flow selected by using a computer controlled regulation valve and measured with a flow sensor. This suspension is mixed with clean water at the sedimentation tank inlet. The clean water flow is controlled by using a computer controlled regulation valve and flow sensor.

Once the fluids are mixed, the current is passed into the sedimentation tank through the inlet weir. Here, the solids in suspension settle at the bottom.

The clarified water outlet is done through the outlet overflow located at the opposite side of the tank. There are sampling valves both in the inlet overflow and outlet overflow that allow the student to analyze the water quality.

The unit has a dye injection and tracer system, which allows to study the fluid current lines into the sedimentation tank.

It also has two adjustable in height baffle plates, which can be placed at any point of the tank length, what makes easier for the student the possibility of changing the flow lines direction and its study.

There are led lights at the upper side of the sedimentation tank to facilitate the observation of the flow conditions.

As support to carry out the practical exercises, the following accessories are supplied: two Imhoff cones and a graduated test tube of 1 l.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. Main elements of a system designed to separate solids in a sedimentation tank.
  2. Influence of the concentration of suspended solids on the separation process.
  3. Influence of the supply flow on the separation process.
  4. Influence of the position of baffle plates on the separation process.
  5. Determination of the surface hydraulic load for different concentration of solids in suspension.
  6. Research about the flow conditions, determination of flow short-circuits and dead spaces using an ink tracer.
  7. Sensors calibration.

장비로 수행 할 수있는 더 많은 실용적 연습

  1. Comparison of real flow regimes with idealised flow models.

Other possibilities to be done with this Unit:

  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, derivate parameters, etc, in real time.
  3. The Computer Control System with SCADA allows 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 PDSC unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the PDSC 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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