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Falling Film Evaporator

Falling Film Evaporator

Product Details:

  • Computerized Yes
  • Automatic Grade Automatic
  • Control System PLC Control
  • Drive Type Electric
  • Voltage 440 Volt (v)
  • Warranty 1 year
  • Click to View more

Falling Film Evaporator Price and Quantity

  • 1 Set

Falling Film Evaporator Specification

  • Electric
  • 1 year
  • 440 Volt (v)
  • Automatic
  • Yes
  • PLC Control

Falling Film Evaporator Trade Information

  • Cash Against Delivery (CAD) Cash on Delivery (COD) Letter of Credit at Sight (Sight L/C) Cheque
  • 1 Set Per Month
  • 1 Months
  • Yes
  • Contact us for information regarding our sample policy
  • Asia Australia Central America North America South America Eastern Europe Western Europe Middle East Africa
  • All India

Product Description

A falling film evaporator is a type of industrial equipment used to concentrate a liquid solution, particularly those that are heat-sensitive. It essentially functions as a special kind of heat exchanger.

Here's how it works:


  • Shell and Tube Design: The evaporator consists of a shell and tube layout, similar to other heat exchangers.
  • Feed Introduction: The liquid feed to be concentrated enters at the top of the unit.
  • Uniform Distribution: A distributor ensures the feed is spread evenly across the inside of the heating tubes.
  • Thin Film Formation: As the liquid flows down the tubes, it creates a thin film on the tube walls due to gravity.
  • Heat Transfer: A hot heating medium, typically steam, surrounds the tubes, providing heat to the liquid film.
  • Partial Evaporation: As the film travels down and receives heat, a portion of the liquid evaporates.
  • Co-current Flow: The remaining liquid and the vapor produced move down the tubes together in a co-current fashion.
  • Separation: At the bottom of the evaporator, a separator section separates the concentrated liquid from the vapor.

Here are some key benefits of using falling film evaporators:


  • Efficient Heat Transfer: The thin film formed by the liquid allows for excellent heat transfer between the heating medium and the solution.
  • Suitability for Heat-Sensitive Materials: Since the residence time of the liquid within the evaporator is low, it's ideal for concentrating heat-sensitive components.
  • Reduced Operating Costs: The design allows for lower pumping power required compared to other evaporator types.
  • Compact Footprint: Falling film evaporators are typically installed vertically, resulting in a smaller space requirement.
However, there are also some limitations to consider:

Clogging Susceptibility: They can be more prone to clogging if the feed solution has a tendency to solidify or has high solid content.


We are supplying the Falling Film Evaporator is an industrial device to concentrate solutions, especially with heat sensitive components. The evaporator is a special type of heat exchanger. It is a specific type of vertically oriented shell and tube (S&T) heat exchanger that is used to separate two or more substances with different boiling point temperatures. The offered Falling Film Evaporator is suitable for evaporating and concentrating foaming materials. The offered evaporator is very effective and demanded in the various places.

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