Fruit leathers are restructured fruit made from fresh fruit pulp or a mixture of fruit juice concentrates and other ingredients after a complex operation that involves a dehydration step. Dehydration of fruit leather is a process which involves simultaneous heat and mass transfer. Various methods of drying and drying conditions affecting quality of fruit leathers have been previously studied. Traditional sun drying allows the production of fruit leather with a live color and translucent appearance. However, the drying time is long and dependent on environmental contamination. Today, conventional hot-air drying process is still the more common technology which has been used for making fruit leathers with a better color and flavor. And researches on hot air drying processes of popular fruit leathers are as follows. Link: http://fooddryingoven.com/drying_ideas/making-fruit-leather-bar-by-tray-dryer.html
By Azeus Food Machinery based in CHINA.
Nearly 54 billion pounds. That's the estimated volume of raw animal material (material not consumed by humans) generated each year, just in the United States. These animal by-products, along with many other materials including spent grains, bakery goods, fruits, vegetables, field crops, etc., can be used as ingredients in animal feed when thermally processed. The Vulcan® Systems Animal Feed Dryer processes up to 20 tons per hour of wet animal feed. This unique system has been designed to reduce the moisture content of feed ingredients through a direct fired rotary dryer. The inclined rotating cylinder is fitted with a combustion chamber where an industrial burner radiates heat through the chamber and down the center of the drum. The combustion chamber ensures no feedstock is scorched during the drying process. The material is then picked up by lifting flights and cascaded into the hot combustion gases.
By Vulcan Systems based in Moberly, MISSOURI (USA).
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