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Belt, drum, and fluid bed dryers

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Fluid bed drying-cooling system DDC

Drying and cooling take place in the product chamber, only by convective heat and mass transfer between the fluidization gas and the product. Two different designs are available, for normal and high temperature applications.

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Drum drying system DDS

The ANDRITZ drum drying system, DDS, dries and granulates different types of municipal, industrial, and agricultural sludges. The dewatered sludge is granulated in a mixer tailored to the application. It is then dried in the triple-pass drum (three concentric cylinders revolving around a joint axis) in a convective drying process to < 10% residual moisture. The sludge is conveyed pneumatically by the stream of hot gases, ensuring an evenly dried, pasteurized product.

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Fluid bed spray granulation SGS

The spray granulation process converts a water-containing solution, paste or suspension or a melt into a granule. The granulation and the drying processes take place at the same time. Any kind of crystallization and mechanical dewatering equipment can be replaced by an SGS type fluid bed. The final product granules are dust-free and easy to handle.

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Belt drying system BDC for food and chemicals

The ANDRITZ SEPARATION belt dryer/cooler BDC is available with gas-, oil-, or steam heating and can be applied for bulk material, food, or chemical products. The drying of the product takes place on a ventilated conveyor belt. Depending on the type of product we can offer either a single-belt dryer or multi-belt dryer.

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Belt drying system BDS for sludge

The patented ANDRITZ AG belt drying system (BDS) is characterized by its flexibility and ability to use a wide range of energy sources, particularly low-grade waste energy. BDS can be used for drying a broad range of products, such as industrial and municipal sludge, cow manure, biomass, as well as pre-treated municipal solid waste.

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Belt drying system BDS for biomass

ANDRITZ supplies the complete process, not only for sludge treatment, but also for biomass drying - from wet milling to drying, fine milling and pelleting, all from a single source.

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Fluid bed drying system FDS

The fluid bed drying system with direct feeding converts dewatered sludge into almost dust-free granules with > 90% DS. The thermal heat for evaporation of the water is transferred indirectly by a heat exchanger immersed in the fluid bed. The fluid bed dryer is integrated into an inert gas loop system.

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Fluid bed drying-cooling system VDC

This type of fluid bed is used for salts and minerals, as well as for basic chemical products, mainly for lower line capacities. It is characterized by the vibrating design of the fluid bed to enhance fluidization of the products with a wide particle size distribution range.

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Fluid bed drying-cooling system HDC

Drying and cooling can be combined in a single unit. Stationary equipment for convective and contact heat and for mass transfer without rotating or vibrating parts. Low maintenance required.

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Drum dryer VDB

The rotary drum dryer is suitable for drying woody biomass, agricultural products, and municipal solid waste (MSW). For the production of alternative fuels as well as in the area of waste-to-energy, ANDRITZ Vandenbroek rotary drum dryers are applied to decrease the moisture of the material to the desired level fo downstream process steps.

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ANDRITZ SEPARATION

Headquarters, Austria

  

Phone: +43 (0) 50805 56231

E-mail: separation@andritz.com

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