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Slow sinking pellets milling Equipment

Milling machines are used to reduce the size of material by cutting, crushing, or grinding it. The choice of industrial milling equipment depends on the industry and the materials to work with. Besides, there is a significant difference between those aimed to remove layers from metal or other materials workpieces and those designed to reduce particle size for materials that come in bulk.

Milling

When it comes to aquafeed, you can find three types of pellets: floating pellets, sinking pellets, and slow-sinking pellets. Not all aquatic species eat at the same height of the water column. For example, tilapia and carp eat at the surface (floating pellets) while shrimp and sea bass eat at the bottom (sinking pellets). Slow-sinking pellets are ideal for species that eat along the water column such as salmon and cod.  To get the pellets to sink at the right rate, slow sinking pellets production must control water stability in the products.

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Slow sinking pellets

Particularly designed for humid, oily, and greasy products.


<h2>Ultrafine pill mill proved to process even sticky materials in a wide chamber housing</h2>
The Contraplex Wide Chamber Mill - Contraplex CW from Hosokawa Alpine is an ultrafine pin mill, with two driven pin discs. Designed aiming to achieve high-power fineness values at a range of approximately 10 to 500 µm.

The fineness can be adjusted by altering the fine pin mill disc speeds. The centrifugal forces acting on both discs allow the processing of humid, greasy, and sticky products, primarily as a result of the utilization of the design within the wide chamber housing.

The feed material stands out for being embrittled by intensive mixing with liquid nitrogen. Ultrafine Pin mills are considered among the most reliable and versatile equipment currently available in the materials processing market. It features a generously dimensioned mill door that can be attached wide-open, for easier cleaning.

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Ultrafine pin mill

Ideal for a combined process operation where several process steps are executed simultaneously in one single unit. A product can be simultaneously comminuted, dried, coated and/or mixed.


<h2>Outperform conventional impact mills for maximum fineness</h2>
The Long Gap Mill – LGM from Hosokawa Alpine can be used for various processes, e.g. grinding and drying as well as coating or mixing a product. Several processes can also be carried out at the same time with this machine in one single process step.

It reaches a fineness of maximum 97% &lt; 5 – 500 µm, depending on the product. Either dry materials, slurry or wet cakes can be processed with this mill.

The range of products that can be processed with the LGM is extremely wide. The most common applications are size reduction of mineral powders, plastics and rubber, soya, wheat bran, carbon black, cellulose and derivatives; Impact drying of hydrogels, cellulose derivatives, ceramic slurries and coating of Fine fillers with stearates or silanes.

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Long gap mill

When working with plastics, film, and other cuttable products, you can benefit from a custom-designed granulator.


<h2>Cost-effective granulation at an attractive price</h2>
CL Compact granulator for cuttable products, from Hosokawa Alpine offers all the integrated technology necessary for the cost-effective comminution of all kinds of plastics. Developed as a universal granulator, it is characterized by a modern and user-oriented machine design as the starting point for custom-designed complete systems.

The universality and the technical features shift the product line right into the center of the customized systems for the recycling of plastic waste and plastic film of all types and shapes as well as other cuttable materials.

Its cross-scissor-cut rotor guarantees optimum material intake and distribution and thus high throughput rates at reduced energy consumption.

The typical materials processed are: PVC, Nylon, HDPE, LDPE, PP, ABS, PET, PC– TPU, PS, Cu, Copper wire, cables and many other materials.

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Compact granulator for cuttable products

A laboratory fine impact mill is used for fine and ultrafine grinding, for defibration, and for cutting soft materials.


<h2>Small scale size reduction of soft materials</h2>
The 100 UPZ und 160 UPZ Fine Impact Mills from Hosokawa Alpine are designed for fine and ultrafine grinding, for defibration, and for cutting materials of Mohs' hardness up to 3. Depending on the equipment, powder fineness values range from approx. 100 µm to 1500 µm.

The fine of the final product is adjusted by the selection of the corresponding size reduction elements and as a function of the machine speed.

This mill has many applications in the chemical industry, foodstuffs, and animal feed industry as well as in the pharmaceutical industry.

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Laboratory fine impact mill

In a Fluid Bed, a product or solid is made fluid by an upward moving flow of gas. The mechanical movement of the Fluid Bed strengthens this effect. Thus, the gas and product are intensively mixed so that high heat transfer and an optimum physical reaction speed are achieved.


<h2>Continuous fluid bed dryer for an energy-efficient drying</h2>
Ventilex Continuous fluid bed dryers apply world-leading fluid bed technology to high-throughput bulk processes. By choosing a good combination of gas speed and mechanical movement, you will be able to process granular products with a wide range of grain sizes while forming a minimum amount of dust.

A whole range of products can be processed in the fluid bed for long residence times, up to two hours per machine are possible. Ventilex Fluid bed dryer can function at temperatures from–15ºC to +600ºC. The gas speed can vary from 0.2 to 3m/sec.

Continuous fluid bed dryer

In aquafeed, you can find three types of pellets: floating pellets, sinking pellets, and slow-sinking pellets, because not all aquatic species eat at the same height of the water column. In the case of bottom feeders such as shrimp, river crab, sea bass, and some species of catfish, they eat sinking pellets. Contrary to tilapia and carp that feeds from the surface with floating pellets. Sinking pellets production must control water stability to preserve the quality and form of the pellets, avoiding nutrients' dissolution in the water.

Sinking pellets

Extruded aquafeed

Ventilex is an expert in drying technologies. More than 800 fluid bed dryers, belt dryers &amp; air dehumidifiers are already installed worldwide.

<a href="https://making.com/products/aquafeed">Aquatic feed production</a> has been on the rise in recent years due to the increasing demand for proteins. However, feed manufacturers are faced with multiple challenges, such as sourcing raw materials (e.g. <a href="https://making.com/soybean-meal">soybean</a> and <a href="https://making.com/fishmeal-powder">fishmeal</a>) and preserving nutrients, especially for farmed fish diet. Aquafeed as a high-quality source of protein for fish production is therefore crucial to fish farms to improve fish quality.


<h2>Challenges of aquafeed production</h2>
Aquafeed manufacturers are seeking sustainable and secured raw materials as well as alternative feed ingredients, which need to be processed properly. Protein content, feed quality, shelf life, and homogeneity are the main factors to consider when it comes to processing aquafeed. However, many drying technologies only allow for a limited range of product types, reducing feed variety and volume produced in one feed production facility.
<h2>Optimal drying of fish feed</h2>
<a href="https://making.com/equipment/continuous-fluid-bed-dryer">Fluid bed drying</a> is one of the proven solutions to thermal drying of fish feed. It combines upward-moving flow of gas with mechanical movement to make products in solid form into fluid and makes sure high heat transfer. It thus guarantees a gentle and uniform drying process that helps to preserve nutrients and increase shelf life of fish feed products. In addition, fish feed of a wide range (e.g. particle size, density and moisture content) can be produced on the same drying unit, achieving a high production volume. Click <a href="https://www.ventilex.com/ventilex-news/aquafeed-high-quality-for-low-cost-per-ton/">here</a> to learn more about fish feed drying.

Improve the quality of fish feed products

Feed

Aquaculture feed is used when rearing marine livestock such as fish, shellfish, and algae. Quality nutrition is needed for healthy growth and reproduction and feed usually consists of fats, carbohydrates, protein, vitamins, and minerals. Extruded aquaculture feed floats on the water surface and pressure-pelleted feed will sink to the bottom.

Aquafeed

We continuously talk to suppliers of feed processing technologies that have important know-how on how to create the smarter, better, and greener feed products we need to kickstart a better tomorrow. Are you into making animal feed or pet food and looking for ways to improve your production process? Let’s navigate the world of feed production technologies together!

Find production technology for Slow sinking pellets milling, and connect directly with leading machine manufacturers worldwide

Slow sinking pellets milling Equipment

Which slow sinking pellets milling equipment do you need?

Ultrafine pin mill

Long gap mill

Compact granulator for cuttable products

Laboratory fine impact mill

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