Process Equipment Design and Heuristics – Process Vessels
Vessel Capacity Heuristics
Process Drums General small capacity devices. Examples include: Single stage vapor - liquid flash separator Single stage liquid - liquid separator Compressor Knockout Drum Reflux drum / overhead accumulator -
Process Drum Heuristics
Pressure Vessel Heuristics
Pressure Vessels . Both vertical and horizontal vessels are used in practice A reactor is simply a pressure vessel in many cases Towers can also be considered pressure vessels -
Storage Tank Heuristics
Storage Tanks Storage is required for raw materials and products Capacity can have a significant effect on economics of the process Capacity is determined by production rate / raw material consumption -
Aspen Plus Flash Input (2 phase)
Aspen Plus Flash Input (3 phase) Specifying key component is optional. Second liquid phase is bottom stream.