Absorption Refrigeration System

Absorption Refrigeration System

Model: SR2024

Learning Objectives / Experiments

– demonstrate the basic principle of an absorption refrigeration system

– absorption refrigeration system and its main components

– operating behaviour under load

Specification

[1] operation of an absorption refrigeration system

[2] main system components: evaporator, absorber, boiler with bubble pump, condenser

[3] ammonia-water solution as working medium, hydrogen as auxiliary gas

[4] boiler to separate ammonia

[5] bubble pump for transportation in the circuit

[6] adjustable electrical heater at the evaporator serves as cooling load

[7] boiler is alternatively heated by electrical heater or gas burner

[8] piezoelectric igniter for gas operation

[9] digital displays for temperature and power

Technical Data

Working medium: ammonia-water solution

Auxiliary gas: hydrogen

Electric heater: 125W

Gas burner, adjustable: propane gas

Evaporator heater, adjustable: 50W

Measuring ranges

– temperature: 4x -80…180°C

– power: 0…150W

Dimensions and Weight

LxWxH: 750x450x750mm

Weight: approx. 47kg

Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase;

Propane gas: 30…50mbar