This equipment consists of a service unit that supplies the necessary utilities and measuring instruments to carry out tests on five types of heat exchangers: tube-in-tube exchanger, plate exchanger, shell-and-tube exchanger, jacketed tank and crossflow exchanger. The minimum purchasable configuration includes the service unit and one of these four exchangers. A data acquisition software with interface system is available as optional item.
TRAINING PROGRAM
This unit enables to deepen the following issues:
• Heat transfer between fluids separated by a wall
• Energy balance and calculation of efficiency
• Log Mean Temperature Difference (LMTD)
• Overall heat transfer coefficient (U)
• How flow rate and of temperature difference can affect the transfer coefficient
• Comparing the operating modes and performance of different types of heat exchangers
TECHNICAL SPECIFICATIONS:
Service unit
• Bench-top framework of AISI 304 stainless steel
• Hot water generator of AISI 304 stainless steel with electronic temperature control, pump, heater of 2 kW and level switch
• Pressure controller of cold water
• 2 electronic flowmeters
• 6 thermoresistances Pt100
• Switchboard of painted carbon steel with ELCB
• All data can be acquired by PC via the optional data acquisition software with interface system
• Power supply: 230 Vac 50 Hz single-phase – 3 kVA (Other voltage and frequency on request)
Tube-in-tube heat exchanger
• 6 sections of double pipes (outer pipe of transparent Plexiglas, inner pipe of stainless steel)
• Possibility of using 2, 4 or 6 sections to change the total exchange surface (0.027, 0.054 and 0.081 m2)
• Pipes can easily be disassembled for cleaning
Plate-type heat exchanger
• 10 plates of stainless steel with exchange surface of 0.1 m2
Shell-and-tube heat exchanger
• Shell of transparent Plexiglas with two baffles
• 7 (removable) inner pipes of stainless steel
• Surface of 0.02 m2
Jacket tank heat exchanger
• Tank with jacket and coil
• Stirrer of variable speed with baffle
Crossflow heat exchanger
• Rectangular duct
• Radiator with fan
• Air speed sensor
Supervision software with interface
• for Windows
• Synoptic with the values of the measured variables
• Real-time trend
• Historical trend
