A byproduct of the kraft process used in the paper industry for turning wood chips into pulp is a liquid…
An operator tells you the stack temperature of this incinerator is running high as indicated by TIC-37. The setpoint is…
Suppose a chemical reactor is heated by steam. A temperature controller varies the amount of steam admitted to a “jacket”…
Explain how all valve positioners essentially act as cascade control systems in a loop, and why valve positioners generally improve…
In this example problem, we discuss about both LIC and FIC controllers and what will they do over time if…
This water level control system (for a municipal water supply operation) is supposed to maintain constant water level in the…
In this article we will go throw some Standard burner safety logic for initial lighting of the burner and also…
Examine these pressure and level control loops (transmitter-controller-valve systems) for an industrial boiler, controlling both water level and steam pressure:…
Explain the operation of this cascade temperature control system: Cascade Temperature Control System Cascade control systems (also called two-element control…
Interlocking is primarily a safety measure, though, the process interlocks used to control the loops or sequence. Interlock Philosophy Interlocking…