The contact type quick freezing device is to place food between different layers of flat plates, and then press the plates tightly.

With the continuous development of the seafood industry, the demand for quick freezing equipment is becoming increasingly prominent.

Frozen food is highly popular among consumers due to its convenience and affordability.

1、 Definition and classification of quick freezing machine industry

The method of freezing and storing food has been passed down for hundreds of years, but the freshness of food varies depending on the degree of freezing.

Frozen food is one of the rapidly developing food industries in the world today. Fresh processed food is quickly frozen at low temperatures after appropriate pre-treatment and shaping, and then stored, transported, and sold at temperatures of minus 18 degrees Celsius or lower.

There are four types of liquid nitrogen quick freezing machines: quick freezing type, spiral type, box type, and immersion type;

Any type of machinery requires daily maintenance in order to reduce costs and extend its service life.