Different Types Of Freezers Used In Food Industry

Cryogenic freezers use liquid nitrogen or liquid carbon dioxide as the refrigeration medium and the freezers may be batch cabinets straight belt freezers spiral conveyors or liquid immersion freezers.

Different types of freezers used in food industry.

They have mostly stainless steel interior and exterior. Chest freezers are also called reach in freezers. These freezers are used for transporting food items without spoiling the food. They are economical and spacious.

Typically the refrigerant when used in a freezer is converted from liquid to gas and then back again. The interior and exterior are shaped like a large box that gives it amazing storage capacity. Freezers come in two main styles upright and chest with many different features. Freezing is a method of food preservation which has been used by humans for thousands of years.

They are the most common types of freezers that are used commercially. While the wide range of food processing equipment available can be classified and categorized in several different ways e g end product form mode of operation application etc this article follows industry standards and groups them by their respective functions. These freezers are available in different sizes and shapes and have a glass front which allows the customers to have a clear view of the products. Fricke in encyclopedia of food sciences and nutrition second edition 2003.

While cryogenic freezers represent a low initial investment they have a. The word refrigerant typically refers to a liquid substance or mixture used in heat pumps or refrigeration cycles. Use this guide to learn about different types of freezers. In the past freezing food was as simple as surrounding it with a block of freshly carved ice to keep its core temperature lowered.

With that said there are some divides in terms of what is offered. The development of small portable freezers has made it possible to transport items in danger of spoiling without the mess and inconvenience of a cooler filled with ice. Food preservation food preservation industrial freezers. Industrial freezers remove heat from the surface of a food as rapidly as possible.

Chest freezers have hinged lids that open upwards and are easy to use. Refrigerants are used in cars air conditioners and home appliances and most notably refrigerators and freezers. There are five primary types of freezer available and they are characterized by how they are displayed. When shopping for the best freezer for your home think about where you ll put it and how much frozen food you need to store.

Portable freezers may use ac or dc power or both and some even come with cords that allow them to be powered through a car s cigarette lighter outlet. Different types of food freezing technology. The four main kinds include. These units use either ac or dc.

The rate at which heat is removed from a food during freezing depends on how fast heat can travel within the food and how efficiently it can be liberated from the surface of the food into the surrounding atmosphere.