Floating fish feed production line

Floating fish feed production line is mainly used for the production of floating fish feed pellets, can also produce sunking fish feed, pet feed. The core equipment of this production line is floating fish feed extruder machine.

Floating fish feed production line purpose is to produce the good floating, water stability, and nutrient-rich extruded pellet feed.

  • Extruded feed pellets are suitable for goldfish, koi, grass carp and other fish that like to be active on the water surface, and also suitable for pets.
  • Main raw materials: corn, wheat, soybean meal, soybean cake, fish meal, oil, etc.
  • Capacity: 0.5-60T/H
  • The size of the extruded pellet: 0.6mm-20mm
  • The size of floating fish feed pellets: about 1-3mm
  • Main equipment: Floating fish feed extruder
size of floating fish feed pellets
floating fish feed production line Flow Chart

We take the high grade 1.8-2 tons per hour floating fish feed production line as an example. A standard floating fish feed production line has these processes including crushing, mixing, extrusion, drying, spraying, cooling and packing. This figure is a standard floating fish feed production line flow diagram from RICHI Machinery. Of course, you can adjust according to your own actual situation and needs. As well as, we have more plans waiting for your consultation.

High Grade fish feed extruder
twin screw extruder for sale
single screw extruder

Hammer Mill and mixer

As with the production of livestock feed pellets, the first step in the production of floating fish feed is to crush the original pellet materials, and then the main equipment used is the hammer mill. The SFSP series hammer mill features an advanced drop-type chamber design that increases production by 25% over other models. In addition, the equipment has low vibration, low noise and high safety. The motor is a Siemens motor.

SFSP series hammer mill can be as small as 0.6mm powder size, which can meet the needs of ordinary floating fish feed production. If you have higher quality requirements for fish, shrimp and other aquatic feed, so we will use ultrafine grinder on the production line, the fineness of the powder is only about 0.15mm, which is equivalent to the fineness of flour that people eat.

The mixer is equipped with a pre-mixing bin in the mixing section of the floating fish feed production line. Mixer Before the powder materials enter the floating fish feed extruder, it is necessary to add the premix and let them get a uniform and full mix. The mixer is to mix the powder materials according to the batch. According to the effective volume and the density of the powder material, each batch has 250kg, 500kg, 1T, 2T, etc. We can choose the mixer according to the capacity of the floating fish feed production line.

Hammer Mill and mixer
Dryer And Spraying Machine

Dryer And Spraying Machine

The water content of the floating fish extruded feed pellet coming out of the floating fish feed extruder machine is about 18%-20%, mainly because the operation of the screw extruder machine has high water content requirements for raw powder materials. Later, a dryer is needed to dry the moisture of the extruded pellets to the content we require – about 11%. The box-type circumfluent dryer allows the hot air to circulate in the box, making full use of the heat energy. In addition, in the process of hot drying, the floating fish feed pellets are also re-cured.

The role of the spraying machine in the floating fish feed production line is to spray oil to the floating fish feed pellets to increase their fat content. The method of thermal spraying makes it easier for the oil to flow and penetrate into the floating fish feed. Oil injection is helpful to increase the heat of feed, improve the taste of feed, extend the shelf life of feed, and promote the digestion and absorption of aquatic animals. Wind transport can be used on small production lines, and then bucket type elevators or screw conveyors or customized conveyor can be selected for large production.

Improving the utilization rate of fish feed and reducing breeding cost

Floating fish feeds have less dense and can be suspended on the surface for a long time. They are easy to get used to fish eating on the surface of the water, and it is easy for the keeper to observe the eating situation of the fish, adjust the feeding amount in time, and avoid the waste of fish feed pellets.

Promoting the growth of fish, Easy to store and transport

The extruded feed pellets produced by the floating fish feed extruder have a higher degree of maturation, which is conducive to the digestion and absorption of fish and reduces the incidence of disease. The feed formula is reasonable to provide adequate nutrition for fish.

Providing a good living environment for fish

Floating fish feed has little effect on water quality. First, because the floating fish feed will not dissolve in water for a long time, and second, through high temperature has killed most of the harmful microorganisms. Good water quality is indispensable for fish growth.

If you also need to build floating fish feed production line, shrimp feed production line, animal feed production plant, you can send us an inquiry.

If you have any questions about granulation, such as how to make floating fish feed, you can also ask us.


Project details

Project details

The customer, a well-known multinational enterprise of aquatic products in Iran, sent an inquiry to RICHI Machinery on December 27, 2021. The Iranian customer expressed to us the need to build a 2t/h floating fish feed and shrimp feed pellet production line and provided us with the dimensions of the plant. After more than three months of communication, as well as the comparison and consideration of the customer, the project was determined on April 19, 2022.

The 1-2 t/h floating fish feed and shrimp feed pellet production line includes crushing system, mixing system, pelletizing and extruding system, packing system and electric control system.

The using of RICHI pulse dust collector can reduce dust in the working space.

fish feed extruder

fish feed extruder

In the pelletizing and extruding system, the making of floating fish feed uses RCPH120*2 twins screw extruder, the making of shrimp feed uses SZLH420 animal feed pellet mill with 3-layer stainless steel conditioner. The gelatinization degree becomes higher, which is conducive to granulation.

shrimp feed Pellet machine

shrimp feed Pellet machine

The 3-layer conditioner can prolong the condition time and increase the degree of maturation and gelatinization of shrimp materials. The higher degree of ripening is conducive to the digestion and absorption of shrimp.

Ring dies of pellet machine

Ring dies of pellet machine

We equip the customer with the ring mold with different apertures. The ring die apertures of the SZLH 420 animal feed pellet mill are 1mm, 1.5mm, 2mm, 3mm, 4mm, 6mm respectively. Shrimp feed pellet size is about 1.2mm -3mm.

Dies of Extruder

Dies of Extruder

The die apertures of RCPH120*2 twins screw extruder are 0.6mm, 1mm, 1.5mm, 2.0mm, 3.0mm, 4.0mm, 6.0mm, 8.0mm, 10.0mm, 12.0mm, 16.0mm, 20.0mm respectively. Customers can produce feed pellets of different sizes.

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