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Article | REF: BE9740 V1

Industrial refrigerating machines - Introduction

Author: Georges VRINAT

Publication date: April 10, 2009

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ABSTRACT

The mechanical vapor compression refrigerating machines belong to the family of industrial refrigerating machines. The commercial refrigerating sector encompasses equipment for shops, large-scale distributors and embedded groups; the industrial refrigerating sector comprises warehouses, deep-freezing, centralized air-conditioning with much higher cooling powers than that of commercial refrigeration. Such distinction is essential and this article deals solely with industrial refrigeration. It presents the power and temperature characteristics as well as the components (compressor, evaporator, exchanger) of a facility. It then deals with the full issue of a sustainable development approach for these refrigerating machines.

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AUTHOR

  • Georges VRINAT: Engineer from the Conservatoire national des arts et métiers and the Institut français du froid industriel - Member of the French Refrigeration Association – Expert frigoriste

 INTRODUCTION

This series of dossiers on industrial refrigeration machines covers only mechanical vapor compression refrigeration machines, the principles of which are explained in the [B 9 730] dossier, which we recommend you consult. Other systems, such as thermo-frigorific systems, are covered in the [B 9 735] dossier. Furthermore, given the fundamental differences in economic, technological and industrial production terms, it would seem advisable to consider separately the three fields that make up refrigeration in general, and which correspond to very different markets. These are domestic refrigeration, commercial refrigeration and industrial refrigeration.

Domestic refrigeration covers mass-market products such as refrigerators, freezers and small air conditioners. Commercial refrigeration covers equipment for retail outlets, medium and large supermarkets and sales furniture, air conditioning for small commercial premises, and on-board units (trucks, semi-trailers and railcars). Industrial refrigeration covers warehousing, deep-freezing, centralized air-conditioning and chemicals, with refrigeration capacities far superior to those of commercial refrigeration. Sometimes, however, the boundary between these two activities is ill-defined.

In this dossier, we will only deal with industrial refrigeration.

The complete document on industrial refrigeration machines consists of four parts:

  • compressors [BE 9 741] ;

  • exchangers and pressure vessels [BE 9 742] ;

  • distribution channels [BE 9 743] ;

  • examples of machine calculations

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