Explain belt freezing, Science

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Belt Freezing

The first mechanized air-blast freezers consisted of a wire mesh belt conveyor in a blast room for continuous product flow. Uniform product distribution over the entire belt is required to achieve uniform product contact and effective freezing. Controlled vertical airflow forces cold air up through the product layer, thereby creating good contact with the product particles and increasing the efficiency. The principal current design is the two - stage belt freezer. Temperatures used are usually - 10 to 4 °C in the pre-cool section and - 32 to - 40° C in the freezer section. 

 


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