The basic function of extruder machine

- Jun 11, 2018 -

The puffing machine belongs to a device for processing puffed foods, such as rice, corn, soybeans, wheat and the like in daily life. Its main working principle is that the mechanical energy is converted into heat energy, and the food is squeezed and cooked by the heat generated when the machine rotates. The most obvious feature of the puffed food is its large size.


Extruding machinery has various functions and is widely used in the fields of feed, food, and industry. Based on a bulking machine (dry, wet, single or twin screw), we introduce one or a group of functions in the process of puffing. These features are:

Cohesion: 

During the expansion process, food or feed ingredients can be tightly combined and condense into discrete pieces.

Degassing:

Bubbled foods or feed ingredients are degassed during the bulking process.

Dehydration: In the general food or feed puffing process, the water content will lose 4%-7% on the original basis.

Expansion: 

Extruder operating conditions and configuration can control the density (eg, sinking or buoyancy) of pet feeds and aquafeeds.

Gelation: 

Puffing can gelatinize starch (from various sources, such as tubers or grains) during the processing of food or pet feed.

Grinding: 

Raw materials can be ground to a certain degree in the extruder during the processing of food or feed.

Homogenization: 

The homogenization of the extruder changes the structure of the unattractive raw material to make it a more acceptable form.

Mixing: 

During the expansion process, a variety of extruders are available for a wide variety of extruders, which allows the extruder to produce the desired amount of mixing.

Pasteurized Sterilization and Sterilization: 

Raw materials can be pasteurized or sterilized with bulking technology during the food or feed expansion process.


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