Air Heater In Spray Drying Process
Spray drying is to spray a solution, slurry or suspension into hot air. During the droplet's descent, water is quickly vaporized to achieve the purpose of drying, thereby obtaining a powder or granular product.
Common Practice
Heat source: thermal fluid, steam...
Ambient air is preheat to around 100°C, and then to over 300°C with either electricity, or second stage heat exchanger.
Material Choice
Stainless steel
Heat Exchanger Type
Bare tubes, Fin tubes, Weld tubes depending on customer requirement and project.
Application
Due to advantages of fast drying and even heating process, such drying method is common for several industries including food industry of milk powder, juice, condiments, pharmaceutical industry of antibiotics, vitamins, medicine extracts, and chemical industry of dyes, catalysts, pesticides drying.
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