Types Of Freezers Ppt

Air blast freezer either still air or forced air is used.

Types of freezers ppt.

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. Continuous equipment consists of trolleys stacked with trays of food or on conveyor belts which carry the food. The interior and exterior are shaped like a large box. Chest freezers are better at this but some uprights also perform well.

In a nutshell almost every inch of capacity in the chest freezer is usable. Keep that in mind as defrosting a freezer is a significant amount of work. 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. Freezing point depression eutectic point freezing rate types of freezers.

Types of freezers there are many types of freezers to consider when buying an new or used freezer. Many manufacturers boast that in a power outage their freezers can keep food cold for up to 24 hours under ideal conditions door or lid closed. Freezers with a good seal around the door can usually keep food cold until the power comes back on. Air is recirculated over food at between 30ºc and 40ºc at a velocity of 1 5 6 0 m s.

Freezing point depression eutectic point freezing rate types of freezers free download as powerpoint presentation ppt pdf file pdf text file txt or view presentation slides online. Types of freezers 9. They are economical and spacious. Refrigeration is the process of heat removal from a low temperature sink and added to a high temperature reservoir to.

In batch equipment food is stacked on trays in rooms or cabinets. They are the most common types of freezers that are used commercially. There are five types of freezers available. In second type medium is sprayed on the product.

Chest freezers are also called reach in freezers. Most chest freezers are manual defrost. I m most certain that you could have found this answer on google in a better manner that in this response but i ll try my best. Freezers in this category are described more fully than others.

The types of freezer likely to be used in developing countries especially where freezing is a relatively new process are those that have already been widely used for freezing fish and have therefore been well tried and tested. Learn about the different types of freezers. A chest freezer may be the best deep freezer for you due to its energy. You can choose the type that suits your requirements.

Types of cryogenic freezers there are two main types of cryogenic freezers. In both type the product is continuously transported on a belt to the other end of the freezer.