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This type of cooler is meant for cooling of powder materials with transport achievement up to 100 t/h. Cooler’s wall consists of vertical cylinder shell. The cooling water flows down from outside of the shell. Cooling material is supplied to the lower part of the cooling cylinder on its bottom, where rotor moves by spiral blades. Rotor is driven by electromotor with frequency converter and gear-box. The material is moved to shell circumference by centrifugal force. The material is intensively mixed at the same time, which means high heat conversion between shell and cooled material. This process also prevents possible sedimentation of material on cooler’s wall
Company DSD Dostal a.s. has over 75 years of tradition in designing, manufacturing and supplying many different kinds of machines and equipment. We offer a complete documentation on key (project, statics and workshop drawings in AutoCAD and SolidWorks). Except for standard types and sizes, we manufacture steel structures, fans and equipment in atypical dimensions. Design and manufacturing is adapted to specific requirements of each customer. We offer the solution in the field of bulk material handling: storage, horizontal and vertical transport, cooling, sample taking, homogenization and separation. We also offer personal visits, including the assessing of the current situation and designing of complete solutions. The company is member of the Czech National Society for Bulk Solids and certified according to internationally recognized certificate DIN 18800-7. Company DSD Dostal has certified welding process according to ČSN EN ISO 3834. References on request.