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STEAM TUBE DRYER
Steam Tube Dryer is a rotating cylinder containing rows of steam tubes, arranged in concentric circles, and extending the full length of the cylinder. The tubes are designed to transfer heat from the steam to the material being dried and may be supplied with or without fins, according to the design specifications. Together with radial flights, the tubes serve to agitate the material and to provide uniform mixing and drying. The dried product is discharged through discharge chutes.
Steam is introduced into the tubes through a manifold located at the discharge end of the cylinder. The manifold is connected to a rotary steam joint which admits the steam and continuously drains the condensate. The thermal efficiency of the dryer is very high, and heat loss through the cylinder wall is minimal because the steam tubes are completely enclosed by the dryer.
Steam tube dryers are designed and manufactured in accordance with the ASME Code, Section VIII, for unfired pressure vessels.
BENEFITS OF STEAM TUBE DRYER
Ø High thermal efficiency with minimal heat loss
Ø Indirect heat and low temperature drying suited for a wide variety of materials
Ø Uniform mixing and drying ensures extremely high product quality
Ø Simple operation, startup, and shutdown
Ø Low operating and maintenance costs
Ø Available in wide range of sizes to meet application requirements
POM Drying
A steam tube dryer is commonly used in the polymer industry, including in the drying of polyoxymethylene (POM), which is a thermoplastic used in many applications due to its excellent mechanical and thermal properties. When producing POM pellets or granules, it's important to remove excess moisture to ensure the quality and performance of the final product.
Mineral Ore Drying
A steam tube dryer, also known as a direct heat dryer, is commonly used in the mineral processing industry to dry various types of ores after they have been crushed and ground. The principle of operation involves passing hot steam through tubes that are surrounded by the material to be dried.