PPTAC/1 电脑控制(PC)的水处理厂(过滤、吸附和离子交换)

COMPUTER CONTROLLED WATER TREATMENT PLANT 1 - PPTAC/1

Unit: PPTAC/1. Computer Controlled Water Treatment Plant 1

COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1

Unit details

COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1

PPTAC/1/CIB. Control Interface Box: The Control Interface Box is part of the SCADA system

COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1

Process diagram and unit elements allocation

COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1

PPTAC/1/SOF. PPTAC/1 Software. Main Screen

COMPUTER CONTROLLED WATER TREATMENT PLANT 1 - PPTAC/1
COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1
COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1
COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1
COMPUTER CONTROLLED WATER TREATMENT PLANT (FILTRATION, ADSORPTION, AND ION EXCHANGE) - PPTAC/1

相關新聞

一般說明

The Computer Controlled Water Treatment Plant 1, "PPTAC/1", designed by EDIBON, allows to study the main principle of the critical operations in the water treatment.

These operations are: depth filtration, adsorption and ion exchange.

The general objective of the exercises is to achieve the best possible treated water quality. The unit can be used to perform three variations of the specified processes:

  • Filtration.
  • Filtration and adsorption.
  • Filtration, adsorption and ion exchange.

The unit is mounted on a floor standing metallic structure and consists of two modules connected by a set of hoses.

One module is composed of a supply unit and a water treatment unit. The raw water section includes a tank, a computer controlled pump to impel the water from the tank to the gravel filter and a line to introduce air optionally. This aeration ensures the raw water is mixed through and allows to precipitate the dissolved substances. The treated water section includes a tank to collect the water outlet of each operation in the water treatment plant (depth filtration, adsorption and ion exchange). Both tanks have level switches.

The other module includes the water treatment unit, which is connected to the tanks of the supply unit and consists of two filters, two adsorbers and two ion exchangers.

Raw water is pumped from the raw water section of the supply unit into a gravel filter and then routed into a sand filter. In the filtration process, the undissolved particles (suspended solids) are removed by passing the water through the filtering media (gravel and sand).

Filtered water can flow into the second treatment stage or can flow into the treated water tank, depending on the position of the circuit electrovalves. In the second stage, the dissolved particles (organic and inorganic contaminants) of the filtered water are removed by adsorption on aluminum oxide (first filter) and on activated carbon (second filter).

Water can flow into the third treatment stage or can flow into the treated water tank, depending on the position of the circuit electrovalves. In the third stage unwanted ions are removed from the water by ion exchange. First, water is softened by cation exchange, and then it is desalinated in a mixed bed ion exchanger, formed by cations and anions. At last, the treated water flows into the treated water tank.

All the relevant parameters (flow rate, pressure, differential pressure, temperature, conductivity) are recorded by sensors. Samples can be taken at all relevant points of the unit.

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.

練習和指導練習

手册中包含的指导实践练习

  1. Study the main principle of the water treatment plant.
  2. Study the main principle of the water treatment plant operations: depth filtration, adsorption and ion exchange.
  3. Determination of the pressure drop in depth filtration.
  4. Study of the pressure drop and solid concentration in filtrate with the time.
  5. Study of the breakthrough curves (adsorbate concentrations at the outlet of an adsorber over time) in the adsorption step.
  6. Comparison of various adsorption materials.
  7. Familiarization with the fundamental principle of ion exchange.
  8. Study of the relationship between solid concentration and sedimentable solids for the solids used.
  9. 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/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 PPTAC/1 unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the PPTAC/1 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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