Teaching equipment : Evaporator with dropping film: simple effect

 

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Evaporator with dropping film: simple effect

DESCRIPTION

 

This unit is designed to separate a solid (solute) from a solvent or to raise the concentration of solute in the solution.

This separation occurs through the complete or partial evaporation of the solvent. The process of simple evaporation can be monitored and controlled.

Practical applications include using the unit to change the concentration of dissolved components in fruit juice or milk or for the desalination of sea water and brackish water.

In order to operate semi-automatically, data collected by the unit is sent to a command box, which in turn transmits it to a PC containing the required software. (This software is an optional extra)

 

Teaching equipment : Evaporator with dropping film: simple effect - GPC V20

TECHNICAL SPECIFICATIONS

1. Supply tank
• Polyethylene
• V = 30 L
2. Diaphragm pump
• Flow rate 0 – 83 l/h
• Outlet 4 – 20 mA
3. Thermostatic bath
• P = 2 000 W
• PID regulator
4. Supply pre-heater
• Borosilicate glass
• S = 0.2 mē
5. Evaporators
• Height : 1 200 mm
• Diameter : 25 mm
• Double-walled
• Stainless steel
6. Centrifugal separator
• Stainless steel
7. Condenser
• S = 0.5 mē
• Stainless steel
8. Receiver of product
• Borosilicate glass
• V = 5 L
9. Receiver of condensate
• Borosilicate glass
• V = 5 L
10. Pressurized water thermoregulator
• P = 6 kW
• Autonomous – on wheels

MEASUREMENTS
T1 : 7 temperature sensors
C : 2 conductivity sensors

OPTION
Vapour making boiler – data acquisition system and graphic display transmitted to a PC by software

PEDAGOGIC APPLICATIONS

 

• Study the process of evaporation
• Thermal and mass balances
• Determination of the coefficients of heat transmission
• Study of the influence of pressure and flow rate on forced recirculating
 


UTILITIES
Electricity : 400 VAC
50 – 60 Hz
Network water

DIMENSIONS
Length : 2 000 mm
Width : 1 000 mm
Height : 2 500 mm

Teaching equipment : Evaporator with dropping film: simple effect - schema GPC V20


 

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Evaporator with dropping film: simple effect



Didatec Technologie - ZA du Parc 42490 Fraisses -  France -   Tel : 33 (0)4 77 10 10 10 -  Fax : 33 (0)4 77 61 56 49   
E-Mail : didatec.technologie@wanadoo.fr