Water and Sewage Treatment: Expertise Unlimited
Sean Moran, our Principal Engineer writes this occasional blog about his experiences. Our company (Expertise Limited) design, commission and troubleshoot Sewage, Industrial Effluent and Water Treatment Plant. We provide Process and Hydraulic Design, Staff Training, Review and Audit and Expert Witness Services.Saturday, 13 December 2008
Controls: Pharma ETP
The overly complex PLC based controls of the original plant were replaced by a dedicated pH controller, and these three boxes.
These are a distribution board, an ultrasonic controller, and an inverter.
These replace the plc without a human interface which the original installers used.
Since at least monthly intervention is required to calibrate the pH probe, this might be viewed as a design weakness, or an attempt to prevent the purchaser from using another plant maintenace company.
These are a distribution board, an ultrasonic controller, and an inverter.
These replace the plc without a human interface which the original installers used.
Since at least monthly intervention is required to calibrate the pH probe, this might be viewed as a design weakness, or an attempt to prevent the purchaser from using another plant maintenace company.
Labels: Controls, effluent, pharmaceutical, plant, treatment
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