What are the types and selection options for pet pellet extrusion equipment?

Dec 01, 2025

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Raw material processing and puffing equipment are crucial for nutrient retention, requiring precise selection criteria. Raw material pretreatment necessitates a low-temperature dryer and a fine grading sieve. The low-temperature dryer maintains a temperature of 60-70℃ to preserve vitamins in fresh meat, fruits, and vegetables; when selecting one, pay attention to drying uniformity and energy consumption. The fine grading sieve should have a quickly replaceable mesh size (40-100 mesh) to meet the particle size requirements of different formulations. A low-temperature twin-screw extruder is the core equipment, requiring steam and warm water mixing and conditioning capabilities. The puffing temperature should be controlled at 85-90℃, 15-20℃ lower than ordinary equipment. When selecting one, ensure accurate temperature control and stable screw speed (adjustable from 200-280 r/min) to guarantee a retention rate of ≥90% for active ingredients such as taurine and probiotics.

Post-processing equipment determines flavor and texture, requiring precise matching. Flavor coating equipment is essential for high-end pet food. It must possess precise metering and uniform spraying capabilities, with a coating error of ≤±0.1%. When selecting equipment, prioritize models with heating and insulation functions to ensure that oily flavor substances adhere evenly in a liquid state. Pellet forming equipment should be roller-type, using gentle friction to smooth the pellet surface, avoiding damage to the pellet structure and increasing pets' willingness to eat. Packaging equipment should be a vacuum packaging machine equipped with date printing and weight detection functions. The packaging speed should match the production line capacity (10-15 bags/minute recommended) to ensure that the flavor is not lost after opening.

Testing and inspection equipment is also crucial, supporting product iteration. A small dry-type fish food extruder (20-50kg/hour capacity) is essential for R&D, used for new product formulation testing. When selecting such equipment, pay attention to the flexibility of parameter adjustment. A rapid nutrient analyzer can detect crude protein and fat content in real time. When selecting such equipment, ensure that the detection time is ≤30 minutes to provide a basis for adjusting production parameters. Equipment selection should also reserve room for upgrades, such as reserving new feed inlets and control system interfaces, to facilitate the addition of functional ingredient modules in the future, and to adapt to the rapid iteration needs of pet food.

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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!

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