Can Fish Food Production Machines Produce Floating Fish Feed Pellets?

Jan 19, 2026

Leave a message

content

Suitable extruder types for floating feed: Primarily floating fish feed pellet extruder machines. The core selection is a twin-screw extruder, which boasts three major advantages: forced feeding, precise temperature and pressure control, and high-efficiency extrusion, enabling stable production of floating pellets. The twin-screw structure ensures uniform extrusion and full expansion of raw materials, resulting in consistent pellet porosity and a buoyancy rate exceeding 95%, making it suitable for large-scale production. Single-screw extruders can also produce floating feed, but due to gravity feeding limitations, the uniformity of expansion is slightly lower, and the buoyancy stability is not as good as twin-screw models, making them suitable for small to medium-sized aquaculture farms. Both types of equipment integrate extrusion functions, essentially being integrated "extrusion + extrusion" equipment, with the same core process as dedicated twin-screw extruders.

Unsuitable models: Simple extrusion pellet mills. Ordinary wet floating fish feed pellet making machines (without extrusion function) only use mechanical extrusion molding, lacking a high-temperature, high-pressure extrusion stage. The produced pellets have a high density (1.2-1.5 g/cm³) and can only be used as sinking feed, unable to float. The core difference between this type of equipment and extrusion presses lies in whether they possess a steam heating system and a high-pressure extrusion chamber. The former emphasizes physical forming, while the latter emphasizes physicochemical co-extrusion; their functional positioning is completely different. Some manufacturers have attempted to produce floating pellets using ordinary extruders by adjusting the formula, but the buoyancy rate can only reach about 60%, and the water resistance is poor, failing to meet actual aquaculture needs.

Key reference indicators for selection. When choosing a small floating fish feed pellet extruder machine, three key indicators should be considered based on the needs of floating feed: First, the extrusion degree control range should support 0.8-2.0 times extrusion degree adjustment to adapt to different buoyancy requirements; second, parameter accuracy should be ≤±3℃ for temperature fluctuation and ≤±0.2MPa for pressure fluctuation to ensure stable pore structure; third, capacity adaptability should be considered. Medium and large feed mills can choose twin-screw extrusion presses with an hourly output of 500kg or more, while small-scale operations can choose single-screw models with an hourly output of 100-200kg. These indicators are consistent with the selection criteria for dedicated extruders, reflecting the functional unity of the two.

Related equipment

Cat Pellet Making Machine Dog Food Maker

about Us

MIKIM's fish feed pellet production lines and supporting machinery offer excellent value for money. Not only are they affordable, eliminating middlemen markups and allowing small and medium-sized enterprises (SMEs) and fish farmers to purchase complete sets of equipment at reasonable costs, but they also boast exceptional efficiency. The fully automated process, from raw material crushing and precise ingredient mixing to extrusion pelleting and maturation, is completed in one continuous flow. This results in high starch gelatinization rates and uniform pellet formation, significantly improving production efficiency and feed quality, truly achieving "low cost, high output." Choosing a MIKIM fish feed pellet production line means enjoying comprehensive pre-sales and after-sales service, including 24-hour online customer support, a one-year warranty on the entire machine, professional on-site installation, commissioning, and maintenance, and a stable supply of spare parts. Customers can buy with confidence and use with peace of mind, with both excellent value and service quality!!!

Customer visit

202403041536151