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Food Dryers

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Food dryers can be very different from each other in terms of specific processes, yet the basic idea is the same: the temperature is raised (lowered in the case of freeze drying) until the water evaporates or sublimates out of the food, leaving behind the dried product. Read More…

Food Dryers Food dryers remove moisture from fruits, vegetables, meats and other edible substances. Dried foods preserve nutrients, color and flavor while reducing weight and volume, making them easy to pack and transport.
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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

Most food dryers have a few features in common, such as a holding tank or container with a door, a heat source and an accessible and convenient way to remove the finished product. Personal food dryers are small enough to fit on a countertop, while commercial or industrial dryers have up to 8,000 square feet of drying capacity.

Food grade stainless steel is often used for the tank or container because of its corrosion resistant and sanitary properties, and fiberglass can be used as insulation for more precise temperature control. Food dryers are used by food and beverage companies to create fruit leather, beef jerky, powdered juice, vegetables for dried soup mixes, spices, fruits for breakfast cereals, powdered milk and more. Militaries and space programs use dried foods as rations, and campers or hikers appreciate their compact and lightweight nature.

Though there are differences, food dryers are often mistakenly called food dehydrators. Dried food loses approximately 75% of its water content and remains soft and pliable, whereas dehydrated food reduces its moisture content by about 98%, resulting in a shriveled and brittle product with a longer shelf life. Industrial food dryers are also frequently interchangeably called dehydrators, in part because dehydration can take place if left in the dryer for longer periods of time at higher temperatures.

There are three main ways of drying food: in the oven, by the sun and through a food dryer machine or appliance. Food dryers themselves use a number of techniques to achieve the final result, including spray, freeze, tray, belt and bin drying. Spray drying uses a jet of hot steam to instantly dry any moisture on a food particle.

Freeze drying lowers the temperature in order to freeze a substance then allows sublimation to occur, consequently drying it. Tray drying usually occurs in dollies, or racks on wheels. Items are placed on trays and slid into shelving units. The door is closed, the temperature raised and, as time passes, the food dries. Depending on the heat flow, some trays may have to be rotated to ensure equal heat penetration.

Belt dryers have a modular design where the humidity, air flow and temperature can be controlled in zones. Bin dryers, however, provide a more consistent product because each bin is separately and individually controlled.

Food Dryer Informational Video