![]() ![]() The types covered include:ĭue to the nature of the compressor designs, a market also exists for the rebuilding of air compressors, and reconditioned air compressors may be available as an option over a newly purchased compressor. In the sections below, we outline and present the common compressor types. Types of Air CompressorĬompressors may be characterized in several different ways, but are commonly divided into types based on the functional method used to generate the compressed air or gas. In this guide, we will use both of the terms compressors and air compressors to refer mainly to air compressors, and in a few specialized cases will speak to more specific gases for which compressors are used. A large reciprocating compressor in gas service Positive-displacement compressors can be further broken out into reciprocating types, where the piston style predominates, and rotary types such as the helical screw and rotary vane. They can range in size from the fits-in-a-glovebox unit that inflates tires to the giant reciprocating or turbocompressor machines found in pipeline service. As with pumps, compressors are divided into centrifugal (or dynamic or kinetic) and positive-displacement types but where pumps are predominately represented by centrifugal varieties, compressors are more often of the positive-displacement type. Compressors are used throughout industry to provide shop or instrument air to power air tools, paint sprayers, and abrasive blast equipment to phase shift refrigerants for air conditioning and refrigeration to propel gas through pipelines etc. A compressor is a vapor pump, and these compressors will seize up if too much liquid arrives at the inlet of the compressor.Compressors are mechanical devices used to increase pressure in a variety of compressible fluids, or gases, the most common of these being air. If you ever get liquid refrigerant back to your pump due to a dirty evaporator coil or dirty air filter, then it will cause significant damage to the internals of the pump. One thing to note is that a compressor does not compress the liquid. These are called water source heat pumps. Some compressors are cooled by water coils. These are compressors that are cooled off by a fan pulling air across your coils. Most everyone in Savannah, Georgia, has what is known as a vapor compressor. It’s being pulled out of the refrigerant within the condenser coils by the fan that blows the hot air out of the top of the condenser. The heat that was transferred initially from inside the home’s evaporator coil is now coming to the outside module. That heat transfer between that 110-degree air and maybe 150-degree air is called condensing. This process is known as the refrigeration cycle.Įven with our summer temperatures getting up over 110 degrees, the gas pressures from the compressor are high enough to cause the temperature of the freon to be so high that pulling the hot 110-degree air across the coil is still going to cool the refrigerant down enough to cause it to condense into a liquid. The freon’s heat is critical because the high-temperature refrigerant is so hot that the outside air will be cooler than the compressed refrigerant. ![]() The indoor coil absorbs the heat from inside your home versus pumping cold air into your home from outside. ![]() This is where it absorbs the heat from inside your house, and the refrigerant takes that heat back outside of your home. This high-pressure liquid refrigerant then travels through the suction line sets into the air handler’s indoor coil. Once your pump compresses the refrigerant vapor, it travels through the condenser coil and condenses the vapor refrigerant down into a liquid refrigerant. So your refrigerant and oils will naturally migrate to the warmer portion of the system. The heat transfer direction is from this higher temperature, high-pressure substance to a lower temperature, low-pressure substance, the lower temperature being the evaporator coil and the hotter temperature substance being the condenser. The pump is raising the pressures as well as increasing the heat. A high-pressure difference is needed for the refrigerant to flow correctly. The compressor increases the pressure of the refrigerant so that it reaches a pressure difference. The compressor is used to raise the temperature and pressure of the vapor refrigerant or gas, leaving the condensing coil through the discharge line. ![]()
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