What is a fish feed twin screw extruder?

In the context of the rapid development of aquaculture, the production process of fish feed directly affects the benefits of aquaculture. As a key equipment for modern feed processing, the twin-screw extruder is gradually becoming the mainstream choice in the industry due to its high efficiency, energy saving and strong adaptability. So, what exactly is a twin-screw extruder for fish feed? How does it improve the quality of feed? This article will explain it in detail for you.

Machine application scenarios:

Feed processing plant: large-scale production of high-quality pellet feed to meet the diversified needs of the market.

Aquaculture base: special feed can be customized according to the aquaculture species (such as carp, shrimp, sea bass, etc.).

Scientific research institutions: used for the research and development and testing of new feed formulas.

• What is a twin-screw extruder for fish feed?

The twin-screw extruder for fish feed is a mechanical device that uses "two intermeshing screws" to transport, mix, mature and shape materials. It processes raw materials (such as fish meal, soybean meal, grains, etc.) into pellet feed with stable structure and balanced nutrition through the action of high temperature, high pressure and high shear force. It is suitable for the production of floating, sinking and slow-sinking feed.

• Core advantages: Why has it become the new favorite in the industry?

1. Efficient mixing and uniform nutrition

The twin-screw structure allows the raw materials to be fully mixed in the barrel, ensuring that nutrients such as protein, fat, and vitamins are evenly distributed, avoiding the problem of unbalanced nutrient intake when fish are feeding.

2. Flexible adaptation to multiple formulas

By adjusting the temperature, pressure, and screw speed, feeds of different densities (floating, sinking) and particle sizes can be produced to meet the growth needs of different fish.

3. Improve feed water resistance and reduce waste

During the extrusion process, starch gelatinization and protein denaturation keep the feed particles stable in the water, reduce dissolution and debris, and reduce the risk of water pollution.

4. Energy saving and environmental protection, reducing production costs

Compared with traditional single-screw extruders, the twin-screw design consumes less energy and can use low-cost raw materials (such as plant protein to replace part of fish meal), helping feed mills and farmers reduce costs and increase efficiency.  

• Conclusion

With the application of Internet of Things and artificial intelligence technology, the new generation of twin-screw extruders are developing in the direction of "intelligent control and remote monitoring". In the future, combined with functional additives (such as probiotics and immune enhancers), the equipment is expected to produce "intelligent feed" with health benefits.

The twin-screw extruder for fish feed is reshaping the aquatic feed industry with its excellent performance. For farmers and feed companies, choosing advanced extrusion equipment means higher production efficiency and better economic returns.