1.2-1.5 T/H Twin-Screw Floating Fish Feed Extruder
| Feeder Power: | Customizable | Productname: | Wet Type Twin Screw Floating Fish Feed Pellet Processing Machine |
| Pelletshape: | Customizable | Capacity: | 250-6000 Kg/h |
| Pellet Size: | 0.5-9mm | Feedmaterial: | Fish Meal, Soybean Meal, Corn, Etc. |
| Force Feeder Power: | 1.1kw | Raw Material: | Corn/rice/grain |
| High Light: | twin-screw fish feed extruder,floating fish pellet machine,1.5 T/H fish feed extruder |
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MIKIM's twin-screw floating fish food pellet maker machine provides continuous and stable pellet production, producing pellets with a uniform diameter, excellent cooking quality, and consistent shape. It is widely used to manufacture premium floating fish feed, specialty aquatic feed, pet food, and other extruded feed products.
The machine can process a wide range of complex, high-nutrition feed formulations while maintaining excellent pellet quality and forming performance. Its advanced extrusion technology makes it an ideal solution for manufacturers seeking to produce high-quality feed efficiently and consistently.
Composition of Twin-Screw Floating Fish Feed Extruder

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1. Precision Feeding & Conditioning System The production process begins with the feed hopper, where raw materials are metered and conveyed by a variable-frequency feeding motor into the conditioner below. Inside the conditioner, steam and water are evenly mixed with the raw materials to preheat and condition the feed. This process improves starch gelatinization, enhances nutrient digestibility, and increases pellet durability before extrusion. |
Feeding hopper & feed motor
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2. Drive & Transmission System The drive system is powered by a high-efficiency main motor that transfers torque to the twin screws through a heavy-duty gearbox. This optimized transmission system delivers strong extrusion force for processing high-viscosity and high-protein formulations while reducing energy consumption. It ensures smooth, stable operation and reliable performance at capacities of up to 1.5 t/h. |
Gearbox & Main motor
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3. Twin-Screw Extrusion & Thermal Control System After entering the extrusion barrel, the conditioned material is subjected to high temperature, pressure, and intense mechanical shear generated by the twin screws. As the material exits the die, the sudden pressure release causes it to expand, forming well-shaped floating feed pellets. |
Puffing heating chamber
Steam Control Valve
water pressure gauge
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4. Pellet Cutting & Maintenance System At the die outlet, a high-speed cutter motor drives rotating blades to cut the extruded material into pellets of the desired length. Operators can quickly adjust the distance between the blades and the die using the handwheel, ensuring clean cuts and consistent pellet size. For easier maintenance, the machine is equipped with an industrial lifting mechanism or slide rail system, allowing operators to remove the screws and replace dies quickly and safely. This design significantly reduces maintenance time and improves production efficiency. |
handwheel & knife motor
slide rail
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Twin-Screw Floating Fish Feed Extruder Specifications
| Model (Electric) | Capacity (kg/h) | Main Power (kW) | Cutting Blade Power (kW) | Feeding Power (kW) | Modulator Power (kW) |
| 65 | 250 - 300 | 22 KW | 1.5 KW | 1.5 KW | 3 KW |
| 70 | 500 - 600 | 45 KW | 1.5 KW | 1.5 KW | 3 KW |
| 75 | 800 - 1000 | 55 KW | 1.5 KW | 1.5 KW | 3 KW |
| 85 | 1200 - 1500 | 90 KW | 3 KW | 2.2 KW | 5.5 KW |
| 95 | 2000 - 2500 | 110 KW | 3 KW | 3 KW | 11 KW |
| 120 | 3000 - 4000 | 160 KW | 5.5 KW | 3 KW | 15 + 7.5 KW |
| 136 | 5000 - 6000 | 200 KW | 7.5 KW | 5.5 KW | 22 + 7.5 KW |
From the small-scale Model 65 to the industrial-grade Model 136, our twin-screw floating fish feed pellet maker machines cover production needs from 0.25 to 6 tons per hour, catering to various aquafeed and pet food manufacturing requirements.
Application of the Twin-Screw Fish Feed Extruder
Twin-Screw floating Fish Feed Extruder is mainly used for processing floating, slow sinking, and sinking extruded aqua feed for 0.5 to 9 mm extrudates. Special processing for small pellets with a nice appearance. It is also suitable for processing pet food, other aquatic feed, livestock and poultry feed and puffed grains.
1. Aquaculture Feed (Floating, Sinking & Slow-sinking)
Aquatic species have diverse feeding habits. The twin-screw floating fish feed pellet making machine allows for precise control over the expansion ratio, ensuring the feed behaves correctly in water.
- Surface Feeders (Floating Feed):
Species: Tilapia, Catfish, Grass Carp, Bass, and many tropical freshwater fish.
Extrusion Advantage: High starch gelatinization (up to 90%+) ensures the pellets stay afloat for over 24 hours, allowing farmers to monitor feeding and reduce waste. - Bottom Feeders (High-Density Sinking Feed):
Species: Shrimp, Crab, Lobster, and Sturgeon.
Extrusion Advantage: Twin-screw technology can process high-fiber and high-ash formulas while maintaining water stability for 4-6 hours, preventing the pellet from disintegrating before bottom-dwellers can eat - Carnivorous Marine Fish (High-Fat Feed):
Species: Salmon, Trout, Sea Bream, and Sea Bass.
Extrusion Advantage: These species require high protein and high fat. Our extruder can handle oil vacuum coating or internal oil injection (up to 12%+) without compromising pellet integrity.


2. Professional Pet Food (Premium Kibble)
The twin-screw extruder is the industry standard for pet food due to its ability to handle fresh meat and complex nutritional profiles.
- Dog and Cat Food:
Kibble Types: High-protein, grain-free, or prescription diets.
Extrusion Advantage: It improves palatability and digestibility by breaking down complex carbohydrates. The machine can produce various shapes (hearts, bones, triangles) that are aesthetically pleasing to pet owners. - Small Mammals:
Species: Rabbits, Guinea Pigs, Hamsters, and Chinchillas.
Extrusion Advantage: Ensures uniform nutrient distribution, preventing "selective feeding" where animals only pick out specific ingredients.

3. Ornamental and Specialty Feed
- Ornamental Fish:
Species: Koi, Goldfish, Discus, and Betta fish.
Extrusion Advantage: Produces micro-pellets (as small as 0.5mm) that are easy to digest and enriched with color-enhancing pigments (like astaxanthin) without destroying them through over-heating. - Laboratory Animals:
Species: Rats, Mice, and Primates.
Extrusion Advantage: Meets strict hygiene and sterilization standards through high-temperature, short-time (HTST) processing.
Twin-Screw Floating Fish Feed Pellets
Our twin-screw floating fish feed production machine can produce aquatic feed pellets ranging from 0.5 mm to 9 mm, making it suitable for feeding most species of fish, shrimp, and crabs. It can also manufacture pet food for cats and dogs in a variety of shapes, including triangles, flowers, hearts, and bones, as well as poultry feed pellets. Different feed types can be produced by adjusting the formulation, while different pellet shapes can be achieved by changing the die when required.



Twin screw floating fish feed pellet extruder machine Customer Cases
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500 kg/h Fish Feed Production Line (Poland) |
Iraq: Model LX Fish Feed Extruder (150–200 kg/h) + 50 kg/batch Mixer + 200 kg/h Dryer |
View More Customer Case Studies
FAQ
Q1: What raw materials can this floating fish feed extruder machine process?
A: Our twin-screw fish feed making machine is highly versatile. It effectively processes standard ingredients like corn flour, wheat flour, soybean meal, fish meal, and rice bran.
Expert Insight: Due to the high-shear environment of the twin-screw system, it can also incorporate up to 12% fat/oil content and handle high-fiber materials. For optimal pellet stability, we recommend a starch content of at least 20% to ensure proper gelatinization.
Q2: What is the difference between floating fish feed and sinking fish feed? Which one should I choose?
A: The primary difference is pellet density and the expansion ratio.
Floating Feed: Low density. It allows farmers to observe feeding habits and reduces waste. Best for surface feeders like Tilapia, Catfish, and Carp.
Sinking Feed: High density. It is designed for bottom feeders like Shrimp, Crab, and Sturgeon.
Choice: If you are a commercial farmer looking to minimize water pollution and monitor fish growth, floating feed is generally the superior choice. Our machine can produce both types by simply adjusting the screw configuration and expansion parameters.
Q3: Can I control how long the floating feed stays afloat? Can I get 24 hours?
A: Yes. The buoyancy is controlled by the temperature, screw speed, and moisture levels. By achieving a high degree of starch gelatinization (over 90%), our extruder can produce pellets that stay afloat for over 24 hours without losing their structural integrity. This ensures water quality remains high and the feed is fully utilized by the fish.
Q4: Can you process unconventional raw materials? Will that hurt the floating effect?
A: Our Twin-Screw technology is specifically designed for complex and unconventional materials such as Black Soldier Fly (BSF) larvae meal, poultry by-products, and high-fiber agricultural waste.
Technical Note: Unlike single-screw machines, the twin-screw provides superior mixing and shearing, which compensates for the lack of starch in some unconventional materials. We can customize the screw sequence to ensure the floating effect remains stable even with complex formulas.
Q5: How do I decide between the Dry Process and the Wet Process?
A: This depends on your capacity and quality requirements:
Wet Process (Recommended for 1.2-1.5 T/H): Uses a Modulator (Conditioner) to pre-heat materials with steam. It results in higher capacity, better pellet digestibility, longer floating time, and reduced wear on parts.Dry Process: Relies on mechanical friction for heat. It is cheaper but has lower capacity and is harder on the machine's components.
Our Solution: Our 1.5 T/H model is a Wet Process system, offering the best ROI for professional feed mills.
Q6: What if the Twin screw fish feed pellet maker machine breaks down or a part gets damaged?
A: We ensure maximum uptime through:
Standardized Parts: We use international brands SKF/NSK bearings, which are easily sourced globally.
Wear Parts Kit: We provide a 1-year supply of "wear parts" (screws, sleeves, molds) with your initial purchase.
Technical Support: We offer 24/7 online troubleshooting and can dispatch engineers for on-site maintenance if required.
Q7: What pellet sizes can this Wet-type Twin-Screw floating fish feed extruder machine produce?
A: Our extruder is equipped with a high-speed cutting system that can produce pellets ranging from 0.5mm to 20mm in diameter. By changing the mold (die plate), you can produce fry feed, fingerling feed, and adult fish feed on the same machine.
Q8: How does the twin-screw system affect the Feed Conversion Ratio (FCR)?
A: Twin-screw extrusion provides 90-95% starch gelatinization, which is significantly higher than other methods. This makes the nutrients much easier for fish to digest, leading to a lower FCR (better efficiency). Your fish grow faster with less feed, directly increasing your farm's profitability.
Q9: Is the Wet-type twin-screw floating fish food pellet maker machine easy to operate for someone new to the industry?
A: Yes. Our machine features a Fully Automated PLC Touch-Screen System. Most parameters—like temperature, feeding speed, and cutting speed—are pre-set. Once the machine is calibrated for your formula, it can be operated by a single person with basic training, which we provide.
Our factory
Quality Certifications
We have obtained CE and ISO certifications, along with multiple product design patents, demonstrating our commitment to product quality, innovation, and international manufacturing standards.
