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fish feed production line


A fish feed production line is a system of equipment and processes specifically designed for manufacturing fish feed. This production line typically includes

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fish feed production line Introduction

A fish feed production line is a system of equipment and processes specifically designed for manufacturing fish feed. This production line typically includes stages such as raw material handling, mixing, extrusion or molding, drying, packaging, and so on. Compared to other types of pet food production lines, a fish feed production line may have some special features, such as pellets or granules that are more suitable for fish digestion and absorption, and a greater emphasis on selecting protein sources in the formulation. Fish feed production lines are usually designed to be automated or semi-automated to enhance production efficiency and quality.

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Characteristics of fish feed production line

Diverse Raw Material Compatibility

It can process a variety of raw materials, including corn, wheat bran, bran, fish meal, and meal residues from the oil extraction of oil crops (such as soybean meal, canola meal, etc.).

Cleaning and Decontamination

The use of primary screens and magnetic selection equipment to remove impurities such as straw, stones, metal, and other debris from the raw materials, ensuring the quality of the raw materials.

Grinding Capability

The use of grinding machines to grind raw materials into fine powder, increasing the surface area, which enhances the digestibility and utilization rate of the feed.

Precise Ingredient Proportioning

The ingredient proportioning process uses weighing scales to accurately measure and control the amount of each raw material, which is crucial to the feed production process.

Uniform Mixing

The mixing process ensures that all raw materials and additives are blended evenly to achieve the required homogeneity.

Pelletizing and Expansion

Pelletizing machines form the feed into pellet shapes, and the expansion process increases the nutritional value and digestibility of the feed.

Cooling and Sieving

Coolers bring the temperature of the hot pellets down to room temperature, and sieving machines remove any fine particles and oversize materials that do not meet the specifications.

Automated Packaging

Automatic packaging equipment is used for weighing, bagging, and sealing, which improves the efficiency of the packaging process.

Energy Efficiency

The production line is designed to be energy-efficient, with optimized processes and equipment configurations to reduce energy consumption.

Adaptability to Different Needs

The degree of expansion can be adjusted to control the floating time of the feed in water, meeting the dietary needs of different fish species.

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Structure of fish feed production line

Raw Material Storage and Cleaning

The storage of raw materials marks the beginning of the production line. The raw materials are subjected to a preliminary screening and cleaning process by a cleaning machine to remove impurities.

Grinding Process

The materials in the grinding bin are conveyed into a grinder and are ground into fine powders, facilitating subsequent mixing and pelletizing processes.

Ingredient Weighing

A batching scale is used to weigh various raw materials to ensure the accuracy of the formula.

Mixing Process

The weighed raw materials are thoroughly mixed, and sometimes fats are added to enhance the energy content of the feed.

Pelletizing Process

The mixed powder is formed into pellets by a pelletizer, and during this process, conditioning treatment may also be applied to improve the pelletizing performance of the material.

Cooling and Sieving

The pelletized feed must be cooled to reduce its temperature and moisture, and then it is graded using a sieving machine. Pellets that do not meet the standards are sent back for reprocessing.


The qualified pellets are packaged and prepared for shipment or delivery to customers.

Conveying and Electrical Control System

The entire production line’s material conveying and equipment control are typically carried out by an automated conveying system and an electrical control system.

Advantages of fish feed production line

Efficiency and Automation

Modern fish feed production lines are highly automated, which increases efficiency and reduces the need for manual labor.

Consistency in Quality

The use of precise weighing and mixing ensures that each batch of feed is of consistent quality, which is crucial for the health and growth of the fish.


The production line can be adjusted to produce a variety of feed types to meet the dietary needs of different fish species and life stages.

Nutritional Control

It allows for the precise incorporation of essential nutrients and additives into the feed, supporting the health and well-being of the fish.


The automated process minimizes human contact with the feed, reducing the risk of contamination.


Fish feed production lines can be scaled up or down to meet varying production demands, making them suitable for a wide range of operations from small to large scale.

Energy Efficiency

Many modern production lines are designed with energy-saving technologies that reduce the overall environmental impact.

Waste Reduction

The pelletized feed reduces waste by minimizing the amount of feed that dissolves in water or sinks to the bottom uneaten.

Improved Feed Utilization

The pelletized form of feed is more easily digestible for fish, leading to higher feed conversion rates and less waste.


While the initial investment may be significant, the long-term savings in labor, feed, and improved fish growth can make the production line a cost-effective solution.

Application of fish feed production line

Typically, the production of fish feed production line uses raw materials such as corn, soybeans, wheat, and other nutrients as the formula. Our feed pellet machine are specially used to produce feed for poultry, livestock, pigs, horses, cattle, sheep, chickens, ducks, goose and other animals.For different animals, with different growth cycles, (chicks, suckling pigs, calves, etc.), the feed pellet size required is different, but our feed production line only needs to replace ring molds with different apertures or use a pellet crumbler to reach the required size.

Feed Production Line

Parameter of fish feed production line

Model Capacity Main Motor Power Feeder Motor Power Conditioner Power Dia. of Ring Die Pellet Size
SZLH250 1-2T/H 22KW 0.75kw 1.5kw 250mm 2-12mm
SZLH320 3-4T/H 37KW 1.5kw 2.2kw 320mm 2-12mm
SZLH350 5-7T/H 55KW 1.5kw 3kw 350mm 2-12mm
SZLH420 8-12T/H 110KW 1.5kw 7.5kw 420mm 2-12mm
SZLH508 10-18T/H 160KW 2.2kw 11kw 508mm 2-12mm
SZLH558 15-25T/H 180KW 2.2kw 11kw 558mm 2-12mm
SZLH678 20-30T/H 220KW 2.2kw 11kw 678mm 2-12mm
SZLH768 25-42T/H 280KW 2.2kw 11kw 768mm 2-12mm

After-sale Service

  • – HKB provides advanced grain safety storage technology to assure your grain silo 100% quality stability.
  • grain silo Quality guarantee is one year after installation and commissioning or 18 months after leaving China Port. Maturity is the first.
  • – 7 days x 24 hours service, within 24 hours reply/solve of any technical issues upon request.
  • – Routinely telephone track to remove all might be problems grain silo or issues guarantying the whole system grain silo long-lasting safety and reliability.
  • – HKB will consider all other needs like customs clearance, sea delivery, insurance, customs tax benefit plan, documentation, etc. So our respected Users feel so relaxed and easy to get the grain silo system well.
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