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Benefits of Falling Film Evaporator

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Falling film evaporator is a special type of heat exchanger which is used in Industries to concentrate solutions especially with heat sensitive components. – PowerPoint PPT presentation

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Title: Benefits of Falling Film Evaporator


1
Benefits of Falling Film Evaporator
Falling film evaporator is a special type of heat
exchanger which is used in Industries to
concentrate solutions especially with heat
sensitive components. This evaporator is also
used to evaporate volatile and non volatile
materials. In this evaporator liquid film falls
on vertical evaporation surface due to gravity
inside the tube and heat is transferred through
the walls. After this the mixture of liquid vapor
enters a vapor liquid evaporator. Concentrated
liquid is then pumped out. In this evaporator the
feed enters from top and flows in the tube. The
temperature of boiling liquid is same as vapor
head.
2
  • Applications of Falling Film Evaporator 
  • It is used to separate volatile and non volatile
    materials.
  • It is used for manufacturing of gelatin,
    extracting tea and coffee.
  • It is also very useful for concentrating the
    heat sensitive materials.
  • Falling film evaporator is used extensively and
    chemical processing industry, food and paper
    industry.
  • These types of evaporator can be easily operated
    at very low absolute pressures which makes it
    most important type of evaporator for industrial
    processes.

3
  • Benefits of Falling Film Evaporator
  • It is suitable for high viscous materials
    because as we discussed earlier gravity plays an
    important role here. Due to gravitational force,
    the liquid flows to the bottom in the tube.
  • The greatest benefit of using falling film
    evaporator is that the liquid is not over heated
    in the passage and even at low boiling
    temperature, heat transfer coefficient is high.
  • Corrosive and highly acidic feeds can be easily
    concentrated using this evaporator.

4
Why Choose Sunkaier? Sunkaier is the leading
manufacturer and supplier of industrial process
equipment. We supply high quality falling film
evaporators and they are really necessary for
chemical process industries. Visit our website
today and talk to our experts. Source
http//sunkaier.blogspot.com/2018/06/benefits-of-f
alling-film-evaporator.html To Know More
Contact Us Sunkaier http//www.sunkaier.com sales_at_
sunkaier.com
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