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If you work in the food processing industry, you know how crucial it is to have a reliable and efficient freezer. Freezing food products is an essential step in preserving their quality and extending their shelf life. In recent years, tunnel freezers have become increasingly popular due to their superior freezing performance and high level of automation. In this article, we will explore the benefits of tunnel freezers and answer some common questions about choosing the right freezer for your needs. Tunnel freezers are a type of freezer that uses a conveyor belt to move food products through a long, insulated tunnel. The tunnel is lined with refrigeration coils that rapidly freeze the products as they pass through. Compared to other types of freezers, tunnel freezers offer several advantages. First and foremost, they freeze products much faster than traditional freezers.

I. Precautions during operation of the refrigeration system: The expansion valve is one of the four major components of the refrigeration system. It is an important device for regulating and controlling the flow and pressure of the refrigerant into the evaporator. It is also the \"demarcation line\" on the high and low pressure side. Its adjustment is not only related to the normal operation of the entire refrigeration system, but also an important indicator of the operator's skill level. The adjustment of the expansion valve must be performed carefully and patiently. The adjustment of the pressure must take place through the evaporator and the temperature of the warehouse to produce boiling (evaporation), and then enter the compressor suction chamber through the pipeline to reflect on the pressure gauge, which requires a time process.

The First cold chain quick-freezing machine Introduction: Quick-freezer machine is a fast freeze equipment, the product in a relatively short period of time by -35℃ even more lower temperature make the product center temperature reaches -18℃, (3cm thick below the frozen product (excluding packaging)