Extrude-puffing processing technology of aquatic feed
A technology of extrusion and processing technology, applied in feed, food science, application and other directions, can solve the problem that the breeding method cannot meet the needs of people, and achieve the effects of excellent floatability, easier digestion and high gelatinization degree.
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[0010] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.
[0011] An extrusion and extruding process for aquatic feed, comprising the steps of:
[0012] (1) Raw materials for puffing are crushed by a hammer mill with a sieve aperture of 1.5-2.0 mm, and the particle size of the raw materials is controlled at 0.5-1.4 mm.
[0013] (2) Send the pulverized and mixed materials to the conditioner to give a certain amount of moisture and temperature. The temperature and humidity of the material are often injected with steam or hot water. The temperature of the material is controlled at 60-90°C, and the moisture on a wet basis is 20-30%.
[0014] (3) In the tempering process, liquids such as flavoring agents, pigments, oils, and meat pulp can also be added. The amount of grease added is 1 to 5%, and the rest should be sprayed on the particles in the post-processing.
[0015] (4) The mixed material after quenchi...
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