Economizer ( evaporating condenser) is installed in 8HP + 6HP cascade freezer unit to get ultra low evaporating temperatures

Economizer ( evaporating condenser) is installed in 8HP + 6HP cascade freezer unit to get ultra low evaporating temperatures
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As significantly large temperature and pressure difference, one vapor compression refrigeration cycles become impractical. One of the solutions for such cases is to perform cooling in two or more stages (i.e., two or more cycles), who work in the series. These refrigeration cycles are called cascade refrigeration cycles. Thus, cascade systems used in order to obtain high temperature differences between the heat source and heat sink and are applied at temperatures from -70\'C to  -100\'C. Application of the three-stage compression system for boiling temperatures below -70C is limited, due to difficulties with the refrigerant temperature of freezing. The irrelevance of a three stage vapor compression systems can be avoided by applying a cascading steam-compression refrigeration machines. A two-stage cascade system uses two refrigeration systems, connected in series to achieve a temperature of about -85C. There are single compressor system, which can reach temperatures lower than, but they are not widely used. These systems are sometimes called auto cascade systems. 8Pto6Peconomizer8Pto6Peconomizer1XBottom