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 in dairy industry pdf.
Thus refrigeration plays a vital role in dairy industry.
There are numerous types of refrigeration systems depending on different size design application capacity of cooling or low temperature to be maintained etc.
Refrigeration system is commonly used in dairy plants food factories air conditioning systems etc.
The dairy industry is a traditional industry with a low margin commodity.
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.
Refrigeration of fresh milk.
Vapor compression refrigeration system using ammonia as refrigerant is widely used in india for industrial refrigeration air conditioning and cold storages.
A variety of products are handled by dairy plants such as butter ice cream curd condensed milk butter milk flavoured milk and cheese.
The heating and cooling requirements for different dairy products and processes are shown in figure 2.
A refrigeration system is an important and integral part of dairy industry.
The basic working principle is the same in all such systems.