Fish feed production machinery and equipment,

Fish feed production machinery and equipment

The process flow of fish feed production equipment mainly includes steps such as raw material processing, mixing, extrusion puffing, drying, oil spraying, seasoning, cooling, screening, and packaging. ‌

Raw material processing: Firstly, the raw materials need to be crushed for subsequent processing. Raw materials may include corn meal, soybean meal, starch, fish meal, etc.

Mixing: The crushed raw materials are mixed by a mixer to ensure uniform distribution of various components.

Squeezing and puffing: The mixed raw materials are transported by a conveyor to a twin-screw feed puffing machine for extrusion and puffing, which is a key step in fish feed production. Through high temperature and high pressure, the raw materials undergo physical and chemical changes, forming specific structures and flavors.

Drying: Puffed feed is dried using drying equipment such as electric ovens, gas oil ovens, or steam ovens to remove excess moisture while maintaining the nutritional content of the feed.

Spraying and seasoning: After drying, spray and season the feed to meet the fat and taste requirements of different fish species.

Cooling: The seasoned feed is cooled by a cooling conveyor to prevent overheating from affecting the quality of the feed.

Screening: Feed is screened to remove unqualified products and ensure the quality of the final product.

Packaging: Finally, qualified feed is sent to the packaging machine for packaging, facilitating storage and transportation.

In addition, the configuration and parameters of the production line may vary depending on different types of fish and feed. For example, for feed that requires a specific size, such as 2.5mm feed pellets, it can be achieved by adjusting equipment parameters. The entire production process requires precise control of temperature, pressure, and time to ensure product quality and safety.

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