PLC-PFTC 工业过程PLC控制，用于PFTC

6.3.8.- 化学工程
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC
COMPUTER CONTROLLED DRUM CELL FILTER - PFTC

創新系統

The Computer Controlled Drum Cell Filter, "PFTC", is a unit designed to observe the operation of a filtering drum that acts on a liquid with suspended solids. This drum cell filter allows investigate the filtration of multiple solutions with suspended solids and sludges of wide variety and composition.

查看一般說明

一般說明

The Computer Controlled Drum Cell Filter, "PFTC", is a unit designed to observe the operation of a filtering drum that acts on a liquid with suspended solids. This drum cell filter allows investigate the filtration of multiple solutions with suspended solids and sludges of wide variety and composition.

Water with suspended solids is introduced in the system. A computer controlled pump impels the fluid towards the drum tank. A sensor measures the pressure of the fluid before being introduced into the tank.

There is a stirrer in this tank to keep water mixed with the suspended particles. The rotary drum is covered by a filtering cloth, so the part immersed in the tank filters the water. Thus, clean water passes through the cloth and the suspended particles remain in the drum surface. Therefore, when the drum rotates the layer of suspended particles becomes a cake and it is cut before entering the tank again. This tank has some level switches to keeps the water volume constant.

The cake is formed by applying vacuum on the inside of the drum by means of a computer controlled vacuum pump and a vacuum reservoir controlled by two solenoid valves.

When the cake is cut, it falls into a collecting tank and the filtered water passes into the vacuum tank.

The vacuum tank, feed tank and drum tank have valves for emptying when necessary.

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

練習和指導練習

手册中包含的指导实践练习

  1. Study of the suspended solids' filtration process and understanding of a drum filter mechanism.
  2. Study of the filtering cake formation with Darcy’s law.
  3. Observation of the volumetric and mass flows and the thickness of the filtering cake.
  4. Variation of the mass and thickness of the cake depending on the filtering volume.
  5. Variation of the mass and thickness of the cake depending on the drum revolutions.
  6. Mass balance depending on the suspension stirring speed.
  7. Mass balance depending on the stirring speed in the drum tank.
  8. Sensors calibration.

与该单位进行更多实际操作

  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 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 PFTC unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the PFTC 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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