Thin-Film Evaporation Pilot Plant Teaching Equipment

ESS Thin-Film Evaporation Pilot Plant Teaching Equipment

This evaporator consists of a cylindrical tube provided with a steam heating jacket and with a three-blade inner rotor that produces a very thin film of liquid on the walls.
TRAINING PROGRAM
This unit enables to deepen the following issues:
• Mass balances
• Energy balances
• Determination of global heat transfer coefficient
• Optimization of evaporation process
TECHNICAL SPECIFICATIONS:
Mod. ESS
• Framework of AISI 304 stainless steel with castors
• Feeding tank of borosilicate glass, with capacity of 10 l
• Tank of borosilicate glass, with capacity of 10 l, for collecting the concentrated solution
• Tank of borosilicate glass, with capacity of 10 l, for collecting the evaporated solvent
• Thin-film evaporator of AISI 316 stainless steel, provided with 3-blade rotor 0.5 mm far from the wall; speed variable from 0 to 1500 rpm by inverter; exchange surface: 0.12 m2; evaporating capacity: 10 kg/h of H2O; double mechanical seal lubricated with silicone oil and water cooled

• Shell-and-tube condenser of AISI 304 stainless steel with exchange surface of 1.1 m2
• Feed metering pump of AISI 316 stainless steel (0 to 20 l/h), equipped with pneumatic actuator that can be driven by a signal of 0.2 to 1 bar
• Liquid-ring vacuum pump with air/water separator and solenoid on-off valve for feeding water
• Steam trap of AISI 304 stainless steel
• Pneumatic valve of AISI 316 stainless steel, Cv = 0.32, for the control of steam flow rate
• Differential-pressure transmitter of AISI 316 stainless steel for measuring the steam flow rate, with calibrated diaphragm of AISI 304 stainless steel
• 2 pressure gauges of AISI 304 stainless steel, with range of 0 to 1.6 and of 0 to 6 bar
• Vacuum gauge of AISI 304 stainless steel, with range of
–1 to 0 bar
• 2 sight glasses of stainless steel
• 6 thermoresistances Pt 100 with sheath of AISI 316 stainless steel
• 6 electronic temperature indicators
• Piping and valves of AISI 304 and AISI 316 stainless steel
• Switchboard IP55, complying with EC conformity mark, including plant synoptic and ELCB
• Emergency button
Supply with
THEORETICAL – EXPERIMENTAL HANDBOOK