Refrigeration Oil Carries Principal Function of Lubricating Rotating Parts and Blades in Compressors
Refrigeration oils are of particular importance in the field of
lubricants and lubrication technology. There are two types of oils used in
refrigeration systems: synthetic and mineral oil. These oils serve as a
hydraulic control, functional fluid and lubricating oil in refrigeration
compressors under the influence of the refrigerant. High miscibility, excellent
cold flow properties, high aging resistance, and high chemical and thermal
stability are some of the properties of these oils. In addition to providing a
lubricating layer between the rotating parts and the blades, the oils also
provides a protective coating for the rotating components of the compressor. In
some cases, it is possible to have the lubricant to coat the rotational
component of your rotary-screw compressors while the blade of the same compressors
is still clean and dry.
Polyol ester, a refrigeration oil, is
the most common type of synthetic lubricant being used with HFC refrigerants.
It is a highly hydroscopic, water-soluble, and water-bridged, water-insulating
and water-conducting pool complex. Its primary molecular structure includes the
following: a carbon-oxygen bond, hydroxyl, hydrogen, an alcohol group of three
carbons and one nitrogen, and oxygen. It is used in various applications
including the manufacture of synthetic fuels, lubricants, lubricating oils,
cleaning fluids, plasticizers, lubricating oil products, lubricant coatings,
solvents, and thermoplastic resins. Although PE is the main component of most
polyolefin plastics, it is also used as a solvent in a number of other
applications.
Use of refrigeration oil leads to high expense of manufacturing
and operating cooling equipment. This in turn raises various environmental
issues such as disposal of waste oil and ozone depletion, thereby leading to global
warming. This in turn has led to advancements in oil-free compression systems for
use in refrigeration systems for preserving food. Moreover, manufacturers are
focused on developing eco-friendly refrigeration oils. However, high cost of
production is a major issue in achieving the goal.
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