Refrigeration In Dairy Industry Pdf

The basic working principle is the same in all such systems.

Refrigeration in dairy industry pdf.

The basic refrigeration system is made up of a refrigerated bulk tank a refrigeration compressor unit and an air cooled condenser unit. In dairy processing plants ice bank system of refrigeration is used for chilling and processing of milk while direct expansion air chillers are employed for cold storages. It may be house hold freeze small capacity air conditioner or a big capacity refrigeration plant of any dairy food factory. A variety of products are handled by dairy plants such as butter ice cream curd condensed milk butter milk flavoured milk and cheese.

Refrigeration system is commonly used in dairy plants food factories air conditioning systems etc. Thus refrigeration plays a vital role in dairy industry. Vapor compression refrigeration system using ammonia as refrigerant is widely used in india for industrial refrigeration air conditioning and cold storages. The heating and cooling requirements for different dairy products and processes are shown in figure 2.

There are numerous types of refrigeration systems depending on different size design application capacity of cooling or low temperature to be maintained etc. There are several technologies that can be added to the milk cooling systems on dairy farms to reduce the refrigeration requirements or to capture waste heat for pre heating water. Refrigeration of fresh milk.