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The Falling Film Evaporator

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Product Introduction

The falling film evaporator is to add the liquid from the heat exchanger, through the liquid distribution and film forming device, evenly distributed into each heat exchange tube, under the action of gravity, vacuum induction and air flow, it becomes a uniform film flow down from the top. During the flow process, it is heated and vaporized by the heating medium in the shell side, and the generated vapor and liquid phase enter the separation chamber of the evaporator together. After the vapor-liquid is fully separated, the vapor enters the condenser to be condensed and collected. Falling film evaporators are mainly used in solvent recovery in biological, pharmaceutical, chemical and other industries, and can be used in multiple stages to achieve a higher energy efficiency ratio.Especially suitable for thermosensitive materials, it can operate continuously in a vacuum low-temperature environment, with high evaporation capacity, energy saving, low operating costs, and ensures material integrity during the evaporation process.

Main Features 

Modular design, flexible configuration

Continuous feeding and discharging design, saving labor costs and operation time

Complete set design for wider material adaptability

Magnetic coupling seal can maintain higher vacuum degree, ensuring evaporation effect

316L stainless steel material, high heat transfer efficiency, safe and reliable

With sight glass and quick connection design, convenient disassembly and cleaning

Optional gas-liquid separator to reduce material loss

Can be paired with short-range molecular distillation systems or distillation towers for more functions

Certifications: UL, CE

Model
YFE-50
YFE-100
YFE-200
YFE-300
Preheater heat exchange area(m2)
3.5
6
11.5
15
Ethanol evaporation capacity(L/h)
90
180
350
500
Evaporator design pressure(MPa)
-0.098
-0.098
-0.098
-0.098
Primary condensing area(m2)
6
15
23
33
Primary collection bottle
25
55
105
150
Secondary collection bottle
25
55
105
150
Model
YFE-5
YFE-10
YFE-20
YFE-30
Ethanol evaporation capacity(L/h)
15
28
45
70
Preheater heat exchange area(m2)
0.2
0.5
0.5
1
Evaporation area(m2)
0.5
1
2
3
Gas-liquid separator volume(L)
2
10
20
20
Primary condensing area(m2)
1.5
1.5
5
8
Primary collection bottle(L)
10
20
30
50
Secondary condensing area(m2)
/
1.5
2
2
Secondary collection bottle(L)
/
10
20
20

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