Efficiency In Heating Technology
Categories: Engineering Lab EquipmentThe trainer contains a complete closed heating circuit with circulating pump, electrical heater, convector for dissipating heat, various pipe sections, fittings and safety devices.The losses of the mo...
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Description
The trainer contains a complete closed heating circuit with circulating pump, electrical heater, convector for dissipating heat, various pipe sections, fittings and safety devices.
The losses of the most important fittings can be determined using seven differential pressure sensors. Control response and energy flux can be plotted using four temperature sensors, a flow rate sensor and an effective power sensor. The characteristics of a conventional circulating pump and a differential pressure controlled circulating pump can be compared.
The measured values are transmitted directly to a PC via USB and can be processed with the supplied software. Both circulating pumps, the heater and the convector fan can be controlled via PC.
Learning Objectives/Experiments
Familiarisation with a heating circuit
Familiarisation with temperature control
Two-point controller
PID controller
Recording of step response
Recording of fitting and pump characteristics
Energy balances
Determining pump efficiency from hydraulic power and electrical power consumption
Heat transfer with convector (water-to-air heat exchanger with fan)
Comparison of circulating pumps
Conventional pump
Differential pressure controlled pump
Specification
Fundamentals of energy efficient heating technology
Closed water circuit with 2 circulating pumps, expansion vessel, heater and convector
Two-point and PID software controller for temperature: reference variable, hysteresis and PID parameters adjustable
Boiler safety group according to DIN 4751
7 differential pressure sensors, 4 temperature sensors, 1 effective power sensor and 1 flow rate sensor
Technical Data
Conventional circulating pump
power consumption: 140W
max. flow rate: 5m3/h
max. head: 7m
Differential pressure-controlled circulating pump
power consumption: 4…50W
max. flow rate: 3,5m3/h
max. head: 6m
Electric heater: 2000W
Expansion vessel: 2L
Software controller
adjustable reference variable: 0…80°C
Measuring ranges
differential pressure: 5x 0…600mbar, 2x 0…100mbar
temperature: 0…100°C
flow rate: 0…50L/min
effective power: 0…200W
230V, 50Hz, 1 phase
quick overview :
The trainer contains a complete closed heating circuit with circulating pump, electrical heater, convector for dissipating heat, various pipe sections, fittings and safety devices.
The losses of the most important fittings can be determined using seven differential pressure sensors. Control response and energy flux can be plotted using four temperature sensors, a flow rate sensor and an effective power sensor. The characteristics of a conventional circulating pump and a differential pressure controlled circulating pump can be compared.
The measured values are transmitted directly to a PC via USB and can be processed with the supplied software. Both circulating pumps, the heater and the convector fan can be controlled via PC.
Learning Objectives/Experiments
Familiarisation with a heating circuit
Familiarisation with temperature control
Two-point controller
PID controller
Recording of step response
Recording of fitting and pump characteristics
Energy balances
Determining pump efficiency from hydraulic power and electrical power consumption
Heat transfer with convector (water-to-air heat exchanger with fan)
Comparison of circulating pumps
Conventional pump
Differential pressure controlled pump
Specification
Fundamentals of energy efficient heating technology
Closed water circuit with 2 circulating pumps, expansion vessel, heater and convector
Two-point and PID software controller for temperature: reference variable, hysteresis and PID parameters adjustable
Boiler safety group according to DIN 4751
7 differential pressure sensors, 4 temperature sensors, 1 effective power sensor and 1 flow rate sensor
Technical Data
Conventional circulating pump
power consumption: 140W
max. flow rate: 5m3/h
max. head: 7m
Differential pressure-controlled circulating pump
power consumption: 4…50W
max. flow rate: 3,5m3/h
max. head: 6m
Electric heater: 2000W
Expansion vessel: 2L
Software controller
adjustable reference variable: 0…80°C
Measuring ranges
differential pressure: 5x 0…600mbar, 2x 0…100mbar
temperature: 0…100°C
flow rate: 0…50L/min
effective power: 0…200W
230V, 50Hz, 1 phase
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