Heat transfer in a refrigeration systems Description and Specifications for Lab Tenders
Heat transfer in a refrigeration systems.
Heat transfer in a refrigeration systems Model of a refrigeration system
with closed water circuit that is used as a cooling load 1 x w x h:
1000x600x1050mm, 100kg Hot water circuit with tank, heater, pump and
temperature controller Hermetic piston compressor Coaxial evaporator and
condenser Heater 300W Sight glass in the refrigerant circuit
Instrumentation: bimetallic thermometers and rota meters Compressor:
power consumption: 150W at -10°C, refrigerating capacity: 280W at 0/32°C
Coaxial tube heat exchanger: capacity: 2kW at 45°C condensing
temperature, DT=7K Circulating pump, 3 stages: 30-45-60W Max. Flow rate:
2.9m3/h, Max. head: 4m Heater 300 W Insulated water tank: 4.51tr
Measuring ranges:
temperature: 4x 0...60°C
- flow rate: 2x 0...331tr/h
Mobile refrigeration unit with normal cooling stage and deep-freezing
stage Selection of cooling stage via solenoid valves Individual and
parallel operation of the cooling stages possible Cooling stages:
insulated chambers with air-cooled evaporators Semi-hermetic piston
compressor, air-cooled condenser Compressor:
- power consumption: approx. 13TOW, CAD/CAM LABORATORY EQUIPMENTS,
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