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CMF 100

CASCADE REFRIGERATION SYSTEM

Teaching suggested applications*

  • Identification of components of a cascade refrigerating system
  • Commissioning and verification of operation
  • Study of the basic concept of a refrigeration plant to R404A and to R134s in cascade.
  • Study of the thermodynamic cycle on enthalpic diagram.
  • Study of the regulation
  • Calculation of cooling capacity to exchangers.
  • Overall efficiency of the unit.

Description

The CMF100 bench allows the study of a cascading compression plant. It is composed of two semi-industrial hermetic compressors connected cascading by means of a plate exchanger and of a cold room in which is located a forced convection evaporator. The primary stage works to R134a and the secondary to R404a. The system includes all the standard components powering the industrial plants (suction line accumulator. dehydrator, pressure reducer ...). In addition to this, the bench is instrumented in order to expand its pedagogical use.

Students will initially understand the system and identify the components of the installation. They can then do the commissioning and the necessary settings (pressure switches, regulators, pressure reducer ...).

When the system will be in operation then they may check the parameters (pressure, temperature, flow rate ...). They will calculate the efficiency and will trace the enthalpy diagram corresponding to each stage of the system.

In a later time, they can perform the maintenance operations such as the procedure of change of a compressor on a plant, the change of an evaporator, laying of manifold

Documentation :
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*Teaching suggested applications



DIDATEC

ZA du Parc
42490 Fraisses
France
 

Phone number/Fax

+33 (0)4 77 10 10 10
+33 (0)4 77 61 56 49

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 Units of : Demonstration, Teaching and lab manuals, Research and development.

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Warehouse and trials : 1600 m², Research department : 150 m², Spare parts : 300 m².

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