This Bühler OTW 150 is a continuous fluid bed dryer — sometimes referred to as a fluidised bed dryer — a type of industrial drying equipment used to remove moisture from bulk solid materials by suspending them on a controlled flow of heated air. Bühler is a well-established Swiss process technology company with a long history of supplying equipment to the food, feed, grain milling, and chemical processing industries.
Built in 2010 and now available used from a location in Barneveld, Netherlands, this machine is constructed in stainless steel grade ), making it suitable for hygienic and corrosion-sensitive applications. It carries CE marking and bears the serial number .
The dryer operates as a single-section continuous unit with a working surface of 1.5 m² and a floor footprint of 3.35 × 1.0 metres, with a total installed height of 1.90 metres. Product enters and exits through DN200 connections, while process air moves through DN400 inlet and outlet connections. An integrated vibro motor with a variable speed drive covers a range of 34 to 171 rpm, allowing the residence time and throughput rate to be adjusted. A dedicated fan is included. Bed cleaning is carried out by air pulse.
The main drive motor is rated at 75 kW, configured for 290/500 V operation at 2,970 rpm, and is specified to ATEX explosion-proof (Ex) standards. Maximum operating temperature is 200 °C, and the product inlet temperature is stated at 150 °C. Cooling air volume is approximately 8,100 m³/h, and throughput capacity is rated at a maximum of 2,250 kg/h.
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