VetterTec Spray Dryers
Transcription
VetterTec Spray Dryers
VetterTec s r e y r D y a r p S c e T r e t t e V VetterTec Spray Dryers VetterTec offers spray dryers based on 30 years of experience and 150 references world wide in the food and chemical industries. The special know-how in the design of the atomizers provides high reliability and a sophisticated solution to give the particle characteristics for the desired application. The VetterTec spray dryer is designed to dry liquids to powder by means of an atomizer. The atomizer is placed in the top of the drying chamber and forms the liquid into small droplets before spraying them into a hot air stream. The hot air is heated by gas, steam or other heat sources and then enters the drying chamber by means of a sophisticated air distribution system. The temperature is precisely controlled by monitoring the inlet feed and outlet temperature. As soon as the atomized wet particles come into contact with the hot air the major part of the water evaporates in a few seconds. The remaining part of the water will evaporate as the powder is carried with the air stream through the drying chamber. At the end the dried powder will be separated from the air by a cyclone and/or a filter system. Downstream the dryer can be equipped with fluid beds, coolers and agglomerators, to further condition the powder prior to the packaging unit. ec.de www.vettert Advantages Low powder temperature drying Controlled particle size Centrifugal and nozzle atomisers Customized solution for each product Tuned retention time Integrated systems Flexibility of design Special Features Integrated fluid bed External fluid bed Air brooms Cleaning in place (CIP) Fluid bed agglomeration Automatic control system ATEX requirements Spray chilling of melts „successful drying systems“ s r e y r D y a r p S c e T r e t t e V VetterTec Spray Dryers Fields of Application Spray drying is a very gentle drying and is mainly used to dry heat sensitive products. VetterTec is focusing the brewery, ethanol and chemical industries and is able to build spray dryers from pilot plant size to industrial units. Alcohol/Ethanol Industry: Fodder yeast Lignin Atomisation is provided by centrifugal wheels, pressure nozzles or twofluid nozzles. This range of systems allows the specific particle size requirements to be met for each application. Direct or indirect heating systems are supplied depending upon the industry standards for the product. Inlet temperatures may range from 100°C for very heat sensitive products to 750°C for some inert chemicals. Closed circuit and self-inertised dryers are supplied to allow organic solvents to be dried and to meet the environmental specifications. Different chamber configurations are used along with a range of residence times to provide the desired particle size and moisture content in the finished powder. Agglomerated products are produced by using integrated fluid beds, fines recycle systems and external fluid beds. These powders are widely used in the food industries. Centrifugal Atomizer & Nozzle Atomizer Centrifugal Atomizer ec.de www.vettert Nozzle Atomizer Brewing Industry: Brewers yeast Yeast extract Yeast cells Malt extract Starch Industry: Malto-dextrines Modified starches Soluble wheat proteins Polyols Chemical Industry: Pigments Dyestuffs Inorganic chemicals Organic chemicals Polymers Resins Catalysts Ceramics Tannins (natural and synthetic) Lubricants Food Industry: Flavourings Soup mixes Gum arabic Enzymes Herb extracts Protein hydrolysates Soya products Fats Centrifugal Discs VetterTec GmbH Leipziger Straße 104-108 D-34123 Kassel, Germany Tel: +49 561 500190 Fax: +49 561 5001940 info@vettertec.de
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