ASR3030 Heat Exchanger Supply Unit with Accessories teaching aid equipment Thermal Teaching Equipment
The unit shall perform the following experiments and investigations:
Learning Objectives / Experiments
in conjunction with a heat exchanger (accessory, not included)
plotting temperature curves
determining the mean heat transfer coefficient
comparing different heat exchanger types To be supplied with follow accessories;
Tubular heat exchanger
Plate heat exchanger
Shell & tube heat exchanger
Stirred tank with double jacket and coil
Water chiller
Specification
[1]supply unit for heat exchangers
[2]hot water circuit with tank, heater, temperature controller, pump and protection against lack of water
[3]cold water circuit from laboratory mains or water chiller (accessory, not included)
[4]temperature controller controls the temperature of hot water
[5]flow adjustable using valves
[6]digital displays for 6 temperature and 2 flow rate sensors
[7]water connections with quick-release couplings
[8]stirring machine connection with speed adjustment (accessory, not included)
Technical Data Pump
power consumption: 120W
max. flow rate: 600L/h
max. head: 30m Heater
power output: 3kW
thermostat: 0…70°C
Hot water tank: approx. 10L Measuring ranges
temperature: 6x 0…100°C
flow rate: 2x 20…250L/h
Dimensions and Weight LxWxH: 1000x670x550mm Weight: approx. 60kg
Tubular heat exchanger
in conjunction with supply unit
function and behaviour during operation of a tubular heat exchanger
plotting temperature curves: in parallel flow operation
in counterflow operation
calculation of mean heat transfer coefficient
comparison with other heat exchanger types Specification
[1]tubular heat exchanger for connection supply unit
[2]hot and cold water supply from supply unit
[3]parallel flow and counterflow operation possible
[4]recording of temperature using supply unit and two additional temperature sensors for measuring the central temperature
Technical Data
Heat transfer surfaces
mean transfer surface: 250cm² Inner tube, stainless steel
outer diameter: 12mm
wall thickness: 1mm
Outer tube, transparent (PMMA)
outer diameter: 20mm
wall thickness: 2mm Measuring ranges
temperature: 2x 0…100°C Dimensions and Weight LxWxH: 480x230x150mm Weight: approx. 4kg
Plate heat exchanger
in conjunction with supply unit
function and behaviour during operation of a plate heat exchanger
plotting temperature curves: in parallel flow operation
in counterflow operation
calculation of mean heat transfer coefficient
comparison with other heat exchanger types Specification
[1]plate heat exchanger for connection to supply unit
[2]hot and cold water supply from supply unit
[3]parallel flow and counterflow operation possible
[4]six soldered plates
[5]recording of temperature using supply unit Technical Data
6 plates, stainless steel Heat transfer surface: 480cm²
Dimensions and Weight LxWxH: 400x230x85mm Weight: approx. 3kg
Shell & tube heat exchanger
in conjunction with supply unit
function and behaviour during operation of shell and tube heat exchanger
plotting temperature curves: in cross parallel flow operation in cross counterflow operation
calculation of mean heat transfer coefficient
comparison with other heat exchanger types Specification
[1]shell and tube heat exchanger (cross-flow) for connection to supply unit
[2]hot and cold water supply from supply unit
[3]cross parallel flow and cross counterflow operation possible
[4]transparent shell, visible tube bundle
[5]tube bundle consisting of 7 tubes and 4 baffle plates
[6]recording of temperature using supply unit Technical Data
Heat transfer surface: 200cm² Tube bundle, stainless steel
outer diameter: 6mm
wall thickness: 1mm
tubes, 7
Shell, transparent (PMMA)
outer diameter: 50mm
wall thickness: 3mm
Dimensions and Weight LxWxH: 400x230x110mm Weight: approx. 3kg
Stirred tank with double jacket and coil
in conjunction with supply unit
function and behaviour during operation of a stirred tank with double jacket and coil
plotting time curves:
heating mode with jacket heating mode with coiled tube
influence of a stirring machine
comparison with other heat exchanger types Specification
[1]stirred tank for connection to supply unit
[2]hot and cold water supply from supply unit
[3]heating using jacket or coiled tube
[4]stirring machine can be used in all modes
[5]speed of stirring machine adjustable using supply unit
[6]visible working area due to transparent cover
[7]recording of temperature using supply unit and additional temperature sensor for measuring temperature in tank
Technical Data Stirred tank
nominal capacity: approx. 1200mL Stirring machine
speed: 0…330rpm Heat transfer surface
jacket (stainless steel): approx. 500cm²
coil (stainless steel): approx. 500cm² Measuring ranges
temperature: 0…100°C
Dimensions and Weight LxWxH: 400x230x400mm Weight: approx. 8kg
Water chiller
Specification
[1]water chiller
[2]main components: refrigeration unit to chill water, water tank, circulating pump
[3]electronic controller for water temperature
[4]connection to the base units using hoses with rapid action couplings
[5]refrigerant AR134a, environmentally friendly
Technical Data Centrifugal pump
max. flow rate: 600L/h
max. head: 30m
power consumption: 120W Refrigeration system
refrigeration capacity: 833W at -10/32°C
power consumption: 367W Tank: 15L
Dimensions and Weight LxWxH: 1000x630x530mm Weight: approx. 76kg
Material of construction: stainless steel
