Condensor Flashcards
What does condenser do?
De superheat Vapor’s
Condense Vapor’s to liquid
Subcools liquid
Water cooled are more sufficient cause
Can operate at much lower condensing temps
Types of condesors
Double tubes
She’ll and coil
She’ll and tube
Tube in tube
Coil and cleanble
Water flows in the inner tube
Refrigerant in outer tube
In opposite to maximize transfer rate
Mineral Deposits
Heat from discharge gas causes minerals to come out of solution
Cannot be cleaned mechanically in tube in tube
Mineral deposits
Dirty condensers lead to high head pressures
Cleanble double tube
Have end flanges- remove to access circuit
Seal refrigerant
Shell and Coil
Closed in welded shell
She’ll acts as receiver storage tank
With cool coil refrigerant falls to bottom
Clean chemically
Shell and tube
Larger installations, clean mechanically
Compressor discharge
Wastewater systems
Economical is water is free or if system is small
The water can vary greatly
Refrigerant to Water Relationship
Pressure tap
Let in more or less water to constant head pressure
Varying with season
Faster inlet when water is warmer
Slower inlet when water is cooler
Recirculating Water system
85F
3 gpm is required to absorbe heat
10F split
Cooling Tower
Device passes outside air over water to remove system heat
Capacity limited by amount of evaporation
Forced draft
Remove low potential heat generated in production process