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Flash Dryer

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Flash drying is characterized mainly by the short duration of drying time. This quality makes flash drying ideal for the drying of products that are sensitive to heat. Read More…

Flash Dryer Flash dryers are industrial dryers that are used to dry and resize caked or paste-like solid materials; they combine mechanical agitation, hot gasses and forced air to separate moisture from solid materials.
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Leading Manufacturers

Louisville, KY  |  502-969-3171

Carrier is a manufacturer of high quality dryers in addition to many other related products, including coolers, screens, air knife separators, spiral elevators, feeders & conveyors.

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Carrier Vibrating Equipment, Inc. $$$

De Pere, WI  |  920-336-5715

Dürr Megtec provides customized systems for: regulatory compliance; improvement in working environment and in neighbor relations by reducing odor from industrial processes and helping to reduce greenhouse gas emissions and process energy management.

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Dürr Systems, Inc. $$$

Watertown, WI  |  920-261-8107

Established in 1980, Baker-Rullman Manufacturing, Inc. is a leader in the engineering, design, and fabrication of rotary drum dryers, modular steel bins and hoppers, structural steel, feed and seed mill systems, and custom metalwork. At Baker-Rullman Manufacturing our team of experienced, knowledgeable engineers are ready to get your project off the ground. With more than 30 years of project management experience, we can develop custom designed turn-key solutions to meet your needs!

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Baker-Rullman Manufacturing, Inc. $$$

Green Bay, WI  |  920-468-1000

Since 1951, FEECO has designed and manufactured both direct and indirect rotary dryers for a variety of industries around the world. All dryers are customized to fit the unique processing requirements of the material, with material testing/process development assistance available, in addition to post-sale support including inspections, parts replacement, and more.

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FEECO International, Inc. $$$

Carnegie, PA  |  412-788-9810

For over 125 years, Heyl Patterson has custom-engineered thermal processing solutions that are trusted in dozens of industries worldwide. We specialize in high quality drying equipment, such as Rotary Calciners, Rotary Dryers, Fluid Bed Dryers, Flash Dryers, Disc Dryers, Sludge Dryers, Conduction Dryers and Soil Remediation Units. Our pilot plant testing lab helps determine the best technologies and equipment for any application, and we support our clients for the life of their equipment.

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Heyl Patterson Thermal Processing $$$
placeholder image Carrier Vibrating Equipment, Inc. Dürr Systems, Inc. Baker-Rullman Manufacturing, Inc. FEECO International, Inc. Heyl Patterson Thermal Processing

A flash dryer takes a collection of materials and suspends it in a chamber, where it is exposed to high heat for a short time and then sent to a collection chamber once dried completely. The process takes only a few seconds. Flash dryers are used in the food processing industries to separate moisture from granulated food products that would be too sensitive for processes like spray drying or rotary drying.

In mineral processing operations, flash dryers are used to dry and heat minerals that may be sensitive to heat exposure; flash dryers are ideal for the processing of these materials because they expose materials to heat for no more than a few seconds. Caked materials, flakes, pastels, slurries, gels and other materials of similar consistencies can all be treated easily and effectively by flash dryers.

Some of the largest dryer designs are flash dryers. Some models are capable of water evaporation in excess of 20 tons per hour. Depending on a given flash dryer's configuration, a flash dryer can generate drying enclosure temperatures anywhere between 200° and 1400°F. A flash dryer's most important component is its drying chamber; it is in this chamber where product is separated from moisture and evacuated into a collection area.

Drying chambers usually feature inlets for product and air as well as outlets for air and dried product. The air inlet supplies a controllable stream of air that suspends the product in the drying chamber, exposing it fully to the heat before it is evacuated from the chamber. This method allows for even drying and produces an evenly shaped and evenly distributed dried product.

Many flash dryers can be made to recycle used air, which increases drying and heat generation efficiency and reduces energy costs. Different flash dryers are equipped to handle different materials. For example, a heated air flash drying system would not be suitable for the drying of combustible materials, as air and heat are two ingredients in combustion reactions.

In those cases, inert gasses like nitrogen would be used in the place of air. Similar considerations make careful flash dryer selection important to successful drying operations.

Flash Dryer Informational Video