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PROCESS PLANTS UTILITIES - Coggle Diagram
PROCESS PLANTS UTILITIES
IMPORTANCE
COMPRESSED AIR :
-Plant air: Used for operations in large volumes.(Cleaning ,venting ,purging)
-Instrument air: Used in various types pneumatic equipment, valves and electrical controls to be free from moisture ,oil and particulates to prevent condensation and water gathering in control mechanisms.
INERT GASES: Nitrogen, Argon and Carbon dioxide gases are used.
WATER: Most widely used in utility.
- Portable water
-Process water
-Cooling water
-Hot water
-Boiling feed water.
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REFRIGERANTS: Used to lower the temperature below ambient temp.(CFC, Air and Methane).
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DUCT DESIGN
CLASSIFICATION OF DUCTS:
-Supply air duct
-Return air duct
-Fresh air duct
-Low pressure duct
-Medium pressure duct
-High pressure duct
-Low velocity duct
-High velocity duct
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