FALLING FILM CUM FORCED CIRCULATION EVAPORATOR
A Falling Film cum Forced Circulation Evaporator combines the advantages of both falling film and forced circulation evaporators for efficient concentration and processing of liquids. This hybrid system is typically employed in industries like food, chemical, pharmaceutical, and wastewater treatment.
How It Works
1. Circulation Pump: A powerful pump forces the liquid through heat exchanger tubes at high velocity.
2. Heating: Heat is supplied to the liquid, raising its temperature but keeping it below the boiling point inside the heat exchanger.
3. Separation Chamber: The heated liquid enters a separator or flash chamber, where the pressure drop causes rapid boiling and evaporation.
4. Vapor Separation: The vapor is separated from the liquid, and the concentrated liquid is recirculated or removed.
APPLICATIONS
1. Food Industry: Concentrating fruit juices, milk, and plant extracts.
2. Pharmaceuticals: Processing heat-sensitive ingredients and intermediates.
3. Chemical Industry: Concentrating salts, solvents, and acids.
4. Environmental Solutions: Treating industrial effluents and wastewater.
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Advantages
1. Versatility: Combines the advantages of falling film and forced circulation technologies.
2. Energy Efficiency: Reduced energy consumption through optimized heat transfer and reuse of latent heat.
3. Low Fouling: High flow rates and smooth film distribution reduce scaling and fouling risks.
4. Gentle Product Handling: Ideal for heat-sensitive materials due to short residence time in the falling film section.
5. Scalability: Can be customized to suit varying production capacities.