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Countercurrent cooler

The countercurrent cooler is a highly efficient cooling system for your mixed feed pelleting process. The homogeneous cooling and gentle discharge deliver high-quality pellets, ready for safe transportation and storage.

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Key benefits

Reduced pellet breakage
The cooler is available with three different discharge systems in order to ensure the most gentle discharge depending on your application. Your pellets stay intact, with minimal pellet breakage or fines.
Homogeneous cooling
The cooler provides for a uniform thickness of the pellet layer, in order to deliver consistency in your pellets every time.
High efficiency
The countercurrent air movement technology uses direct contact of airflow to ensure a high end-product quality with low energy input.

Highlight features

Countercurrent principle

Efficient cooling for safe, quality feed

The countercurrent airflow in direct contact with your fresh pellets effectively reduces the temperature from 70–90 °C to 5–10 °C above ambient temperature. This prevents the subsequent growth of mildew and pathogenic bacteria. It also ensures that your pellets achieve the perfect consistency for transportation and storage.

Product inlet

Homogeneous cooling for a consistent quality

Four adjustable plates spread your hot pellets evenly across the entire cross-section as they enter the cooling chamber. This ensures a uniform thickness of the product layer, so that homogeneous cooling can deliver a consistent pellet quality.

Product discharge

Reduced pellet breakage and residues

For the product outlet at the bottom of the cooler you can choose between flaps (AHLB), rotating pipes (AHLC), or slide gates (AHLN), to discharge your pellets smoothly into the hopper beneath, leaving almost no residues. The stainless steel construction further enhances hygienic standards.

You can purchase your countercurrent cooler as a stand-alone machine or as part of a broader solution. We offer a whole range of automation solutions, from individual machine control to a full smart factory integration.

Key topics

Billions of people come into contact with Bühler technologies to cover their basic needs for food and mobility every day. Our motto is creating “innovations for a better world.” Find out more about our key topics.

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Services and training

Bühler’s services and training are designed to keep you up-to-date on products and technologies, giving you the confidence and experience you need.

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