Aquafeed Processing Technology and Equipment
As one of the fastest growing food processing industry in the world, aquaculture has provided more than half of all aquatic products for human consumption. The rapid and healthy development of aquaculture industry can hardly do without the support of artificial breeding technology, knowledge of nutritional requirement to aquatic animals, aquafeed processing technology, feed production equipment and so on. Over the past years, the technique of fish feed production has proceeded rapidly and most aquaculture farmers are fond of using floating extruded pellet to feed their fish because floating feed makes it easier for them to observe fish intake and estimate feeding amount. Here, Amisy Fish Feed Machinery will state the processing technology and equipment of aquafeed and put forward some suggestions.
Mixing technique is very worthwhile to be concerned in the manufacturing process of aquatic feed. Because the daily food consumption of most aquatic animals is little, it is very necessary to make high quality mixing feed with uniform nutritional ingredient so as to ensure fish can get complete nutrient from daily ingestion. The mixing uniformity is affected by several factors, including raw materials feature, mixing time and blending equipment. With the helical ribbon structure, Amisy fish feed mixer, according with the GMP standard, is able to blend aquafeed raw materials with high productivity.
Currently, using extruding methods to produce various aquafeed has been promoted rapidly all over the world because fish feed made by extruding equipment has unique advantages , such as fine palatability, good stablility in water, easy digestion and so on. Generally, there are two types aquafeed extrusion machines, including dry type fish feed extruder and wet type fish feed extruder, which can be adopted to produce floating, sinking and slow-sinking aquatic feed to meet the ingestion requirements of diverse aqua animals.
Before finished, aquafeed pellets should be cooled after drying. Based on counter flow cooling theory, Amisy fish feed cooler is able to cool the pellets completely and evenly, reducing pellets temperature from about 85 Celsius down to about 5 Celsius above surrounding temperature, and lowering pellets water content from nearly eighteen percents to about thirteen percents. In a word, suitable drying/cooling processing can make fish feed easier to store and transport, which makes it be considerable link in the feed production.
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