Thin Film Evaporation Pilot Plant (Medium Line)
Categories: Chemical Engineering Manufacturer and SupplierThis 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. The solution having to be...
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Description
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. The solution having to be concentrated is transferred from the storage tank to the evaporator by a metering pump; the vaporized solvent is condensed in a shell-and-tube condenser and then it is collected into a tank. This type of evaporator is widely used in the industries for concentrating thermosensitive, viscous products, or dirtying products such as solutions containing sugar, enzymes, vitamins, proteins, fruit juices, fermentation broths, etc. The automated version is equipped with PID
controller that enables to control the flow rate of steam to the evaporator and the vacuum degree of the unit, automatically.
TRAINING PROGRAM
This unit enables to deepen the following issues:
• Mass balances
• Energy balances
• Determination of overall heat transfer coefficient
• Optimization of evaporation process
• Automatic flow and vacuum control by PID controller
• Plant supervision by P.C.
TECHNICAL SPECIFICATIONS:
• Framework of AISI 304 stainless steel with castors
• Metering pump of AISI 316 stainless steel, Qmax = 8 l/h
• Feeding tank of borosilicate glass, with capacity of 5 l
• Tank of borosilicate glass, with capacity of 4 l, for collecting the concentrated product
• Tank of borosilicate glass, with capacity of 4 l, for collecting the solvent
• Steam trap of AISI 304 stainless steel
• Vacuum gauge of AISI 304 stainless steel, with range of -1 to 0 bar
• Thin film evaporator of AISI 316 stainless steel with variable speed rotor, water-cooled mechanical seal lubricated with silicone oil, exchange surface of 0.06 m2
• Electronic r.p.m indicator
• Shell-and-tube condenser of AISI 304 stainless steel, with exchange surface of 0.26 m2
• Pneumatic valve of AISI 316 stainless steel, Cv = 0.32, for the control of steam flow rate
• Graduated tank of borosilicate glass, with capacity of 1 l, for measuring the condensate
• 3 thermo-resistances Pt 100 with sheath of AISI 316 stainless steel
• 3 electronic temperature indicators
• Liquid-ring vacuum pump with air/water separator and solenoid on-off valve for the feeding water
• 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
Besides being provided with all the characteristics, this model also includes the following additional items:
• Electronic flow transmitter, differential pressure type, of AISI 316 stainless steel , range of 0 to 1000 mmH2O, 4-20 mA
output signal
• Calibrated diaphragm of stainless steel for measuring the steam flow rate
• Electronic vacuum transmitter of AISI 316 stainless steel, with range of 0 to 1000 mbar and 4-20 mA output signal
• Interface for the connection with a PC included in the switchboard
• Data acquisition software for Windows
Besides being provided with all the characteristics, this model also includes the following additional items:
• Electronic flow transmitter, differential pressure type, of AISI 316 stainless steel , range of 0 to 1000 mmH2O, 4-20 mA output signal
• Calibrated diaphragm of stainless steel for measuring the steam flow rate
• Pneumatic valve of AISI 316 stainless steel, Cv = 2.5, for the control of working pressure
• Electronic vacuum transmitter of AISI 316 stainless steel, with range of 0 to 1000 mbar and 4-20 mA output signal
• Microprocessor digital PID controller with serial card
• Supervision software for Windows: it enables to control ON-OFF signals, analog signals coming from PID controller, real-time trend and historical trend
quick overview :
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. The solution having to be concentrated is transferred from the storage tank to the evaporator by a metering pump; the vaporized solvent is condensed in a shell-and-tube condenser and then it is collected into a tank. This type of evaporator is widely used in the industries for concentrating thermosensitive, viscous products, or dirtying products such as solutions containing sugar, enzymes, vitamins, proteins, fruit juices, fermentation broths, etc. The automated version is equipped with PID
controller that enables to control the flow rate of steam to the evaporator and the vacuum degree of the unit, automatically.
TRAINING PROGRAM
This unit enables to deepen the following issues:
• Mass balances
• Energy balances
• Determination of overall heat transfer coefficient
• Optimization of evaporation process
• Automatic flow and vacuum control by PID controller
• Plant supervision by P.C.
TECHNICAL SPECIFICATIONS:
• Framework of AISI 304 stainless steel with castors
• Metering pump of AISI 316 stainless steel, Qmax = 8 l/h
• Feeding tank of borosilicate glass, with capacity of 5 l
• Tank of borosilicate glass, with capacity of 4 l, for collecting the concentrated product
• Tank of borosilicate glass, with capacity of 4 l, for collecting the solvent
• Steam trap of AISI 304 stainless steel
• Vacuum gauge of AISI 304 stainless steel, with range of -1 to 0 bar
• Thin film evaporator of AISI 316 stainless steel with variable speed rotor, water-cooled mechanical seal lubricated with silicone oil, exchange surface of 0.06 m2
• Electronic r.p.m indicator
• Shell-and-tube condenser of AISI 304 stainless steel, with exchange surface of 0.26 m2
• Pneumatic valve of AISI 316 stainless steel, Cv = 0.32, for the control of steam flow rate
• Graduated tank of borosilicate glass, with capacity of 1 l, for measuring the condensate
• 3 thermo-resistances Pt 100 with sheath of AISI 316 stainless steel
• 3 electronic temperature indicators
• Liquid-ring vacuum pump with air/water separator and solenoid on-off valve for the feeding water
• 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
Besides being provided with all the characteristics, this model also includes the following additional items:
• Electronic flow transmitter, differential pressure type, of AISI 316 stainless steel , range of 0 to 1000 mmH2O, 4-20 mA
output signal
• Calibrated diaphragm of stainless steel for measuring the steam flow rate
• Electronic vacuum transmitter of AISI 316 stainless steel, with range of 0 to 1000 mbar and 4-20 mA output signal
• Interface for the connection with a PC included in the switchboard
• Data acquisition software for Windows
Besides being provided with all the characteristics, this model also includes the following additional items:
• Electronic flow transmitter, differential pressure type, of AISI 316 stainless steel , range of 0 to 1000 mmH2O, 4-20 mA output signal
• Calibrated diaphragm of stainless steel for measuring the steam flow rate
• Pneumatic valve of AISI 316 stainless steel, Cv = 2.5, for the control of working pressure
• Electronic vacuum transmitter of AISI 316 stainless steel, with range of 0 to 1000 mbar and 4-20 mA output signal
• Microprocessor digital PID controller with serial card
• Supervision software for Windows: it enables to control ON-OFF signals, analog signals coming from PID controller, real-time trend and historical trend
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