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Herm Production Line: Poultry Feed Pellet Plant Ruminant Feed Pellet Plant Livestock Feed Pellet Plant Aquatic Feed Pellet Plant Animal Feed Pellet Plant Crab Feed Pellet Plant Shrimp Feed Pellet Plant Fish Feed Pellet Plant Rabbit Feed Pellet Plant Pig Feed Pellet Plant Sheep Feed Pellet Plant Cattle Feed Pellet Plant Chicken Feed Pellet Plant

Fish Feed Pellet Mill Plant

We Provide Fish Feed Pellet Mill Plant Turnkey Project That Will Produce Pellets With the World Standard Technologies!

  • Cleaning
    Section

  • Primary
    Crushing

  • Batching
    Section

  • Primary
    Mixing

  • Micro
    Crushing

  • Mix Ingredients
    Again

  • Puffing
    Drying

  • Cooling &
    Screening

  • Packaging
    Section

Various types of grain cleaning equipment use different working principles to separate grain particles from impurities. Commonly used separation methods include separation by particle size, separation by specific gravity, separation by natural characteristics of impurities, separation by shape, etc. The cleaning equipment of Herm machinery is SCY Drum Type Pre-cleaner, SCQZ Powder Cleaning Screen, SFJH Rota-shake Sifter and TCTX Permanent Magnet Sleeve.

Primary Crushing is the pre-treatment process of ultrafine pulverization in aquatic feed processing. Its main purpose is to reduce the particle size difference and variation range of materials, improve the working condition of the ultrafine pulverizer, and increase the efficiency of the ultrafine pulverizer. And guarantee the stability of product quality.

The raw materials will be pulverized, granulated, mixed, and packed from feeding to granulating. A complete feed pellet production line generally has a pulverizing bin, a granulating bin, a mixing bin and a packing bin.This is what we call the Batching Section.

Primary mixing, a single-shaft horizontal ribbon mixer can be selected. At the same time, a grease addition system must be considered on the mixer. The first batching and mixing is also a pre-treatment process of ultrafine crushing, which is mainly to reduce the variation range of the particle size of the material, improve the working condition of the grinder and improve the working efficiency of the grinder to ensure product quality.

To have a homogenous mix, micro materials, premix, minerals and vitamins are added to the mixing machine . Additives are added in certain amounts on each charge. They are crucial on pellet feed’s grade.

Secondary crushing and secondary mixing. In the secondary pulverization process, ultra-fine pulverizer is used, which is equipped with a powerful air separation device, and then enters a rotary classification screen for screening.Various ingredients enter the secondary mixer after secondary dosing.At the same time, the mixer is provided with a liquid adding mechanism for adding grease.In the secondary mixing process, in order to ensure the key to product quality, the mixer must choose a model with good performance.Such as the twin-shaft horizontal paddle mixer, which has high mixing uniformity, high output and fast mixing speed.

In the extrusion puffing process, the material actually undergoes a cooking process under high temperature, high humidity, and high pressure conditions. Puffed feed, because this kind of feed not only has the advantages of general hard pellet feed --- good palatability, avoids automatic classification of products, facilitates transportation, helps digestion, reduces waste during feeding, etc., but also has unique advantages : The starch has a high degree of gelatinization, and the protein is easier to digest, which improves the animal's utilization rate of the feed. It has excellent floating properties, which is convenient for observing the feeding situation of fish, and it can control water pollution to the greatest extent. These are also the main reasons why extruded feed is widely used.

SKLN Series Counterflow Cooler is the most advanced pellet feed cooling technology in the world. It is a new generation of cooling equipment researched and developed. It is mainly used to cool pellet pellets at high temperature after pelleting.

There are three kinds of automatic packaging machines produced by Herm machinery: powder packaging machines, granule packaging machines and (universal) dual-purpose packaging machines.

fish

Aquatic animals, like fish or shrimp, have differences in their living environment, living habits and physiological functions compared with terrestrial animals. These include:

  1.  Fish live in water for their life, and their feed must have better stability in water to prevent the loss of feed nutrients and reduce the pollution of feed to the water environment;
  2.  Fish have short digestive tract, and their digestive enzyme activity is low, so their digestibility is lower than that of the terrestrial animals. Therefore, the crushing fineness of feed materials is higher, in order to improve the digestibility and utilization of feed;
  3.  Because of the different living and feeding habits of different types fish in different growth stages, their nutrition requiment and feed products form differ.

So, the processing technology and processing equipment of fish feed are different from that of terrestrial animals.

Herm machinery high quality fish feed pellet mill plant can produce various fish feed pellets, including grass carp feed, herring feed, carp feed, trout feed, tilapia feed, salmon feed, cat fish feed, etc. The raw materials of the complete fish food plant production line include fishmeal, homemade fishmeal, alcohol masterbatch, soybean phosphatide, soybean meal, peanut meal, shrimp flour, sub-powder, wheat gluten meal, vegetable oil, etc. The final pellet produced is between 0.5 mm-12mm. For example, grass carp 0.8-6.0mm pellet, herring 0.5-6.0mm pellet, carp 0.8-5.0mm pellet, bream 0.5-3.5mm pellet, rainbow trout 0.8-3.0mm pellet, trout:0.8-3mm pellet, tilapia:0.8- 4mm pellet.

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How to Make Fish Feed?

How to make fish food? Fish feed production line process
How to make fish food? Fish feed production line process

1. Cleaning of raw materials and a coarse crushing

There are generally two forms of raw materials used in feed mills: one is powder, which does not need to be coarsely crushed. The other is pellets, which are materials that need to be coarsely crushed. Primary coarse pulverization is the pretreatment process of ultrafine pulverization in aquatic feed processing. Its main purpose is to reduce the particle size difference and variation range of materials, improve the working condition of the ultrafine grinder, and increase the working efficiency and guarantee of the ultrafine grinder Stable product quality.

2. The first batching and mixing

The first batch of ingredients is mainly the preparation of popular raw materials, that is, the preparation of relatively large materials in the formula. This process is mainly completed by the electronic batching scale. The first batching and mixing is also the pre-treatment process of ultra-fine pulverization, which is mainly to reduce the variation range of material particle size, improve the working condition of the pulverizer and increase the working efficiency of the pulverizer, and ensure the quality of the product.

3. Secondary crushing and mixing of secondary ingredients

Due to the low food intake of aquatic animals, short digestive tract, and poor digestion capacity, aquatic feed requires a very fine particle size to increase the surface area of ​​the feed, increase the contact area between the digestive juice of aquatic animals and the feed, and increase the feed of aquatic animals. The digestibility and feed remuneration; at the same time, due to the low intake of aquatic animals, the mixing uniformity of the feed is required to be reflected in a smaller range, which also requires the aquatic feed to have a finer particle size. For example, all the shrimp feed must pass the 40-mesh analytical sieve, and the 60-mesh sieve must be less than 5%, so the micro-grinding process must be used. Various raw materials enter the secondary mixer after secondary batching. There is an artificial feeding port above the secondary mixer, which is mainly used for adding trace additives. After the material is pulverized and mixed with the secondary ingredients, it enters the subsequent process---expansion granulation process.

4. Puffing and granulating section

In the extrusion process, the material actually goes through a cooking process under high temperature, high humidity and high pressure. In this process, the physical and chemical properties of the material change strongly, and the moment the material is extruded from the die hole, because the pressure suddenly drops from high pressure to about 100kPa, the water in the feed is immediately transformed from liquid to gas and is emitted from the feed. So that the material is expanded to form the so-called expanded feed. Because this feed not only has the advantages of general hard pellet feed: good palatability, avoids automatic classification of products, is convenient for transportation, helps digestion, reduces waste in the feeding process, etc., but also has unique advantages: starch in the feed The gelatinization degree is high, the protein is easier to digest, and the utilization rate of the animal's feed is improved; it has excellent floatability, which is convenient for observing the feeding situation of fish and can control water pollution to the greatest extent. These are also the main reasons why extruded feed is widely used.

5. Particle drying and cooling section

After the material is extruded by the extruder, it will form squishy particles (with a moisture content of 25% to 30%). At this time, it is best to use pneumatic conveying instead of using a hoist to lift. Due to the high moisture content of the material conveyed by pneumatic force, it must be dried in the dryer to reduce the moisture of the material to about 13%. After the materials are dried, they enter the external spraying system. The external spraying of particles is mainly to meet the energy requirements of fish and reduce the loss of heat-sensitive substances during processing. Nutrients that should not be added in the previous process can be supplemented by spraying, and at the same time it can improve the palatability of the feed and reduce the powder content. The best working temperature for this process is around 80°C. After the material passes through the external spraying system, it can enter the countercurrent cooler for cooling.

6. Particle screening and packing section

The cooled material is lifted by a hoist and then crushed into the plane rotary screen for classification. The grading sieve is generally a two-layer sieve, and the material on the lower sieve is the finished product, which can be directly entered into the finished product warehouse, and then weighed and packaged.

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Advantages of Feed Pellets:

Fish and fish feed
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Raw Material

raw materials including grain, fishmeal, bone meal, bean cake, peanut meal, rice bran,wheat bran,clam shell powder,alcohol masterbatch,soybean phosphatide, ,shrimp flour,salmon powder,feed yeast,etc.

Our Advantage

If your team is going to build a fish feed pellet production line, the advantage of choosing us is that Herm will help you:

1.Determine the scale of fish feed mill.

2.Determine the feed process and recommend fish feed machine.

3.Control mode selection.

4.fish feed manufacturing plant structure selection.

5.Planning the general drawing of fish feed mill plant site.

6.We devote ourselves to undertaking all fish feed production line 1-100 T/H.

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