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Principle 

? drum dryers are heat conduction inside a rotating continuous drying equipment type. Rotating drum, through its lower trough, adhesion of the material thickness must film, the heat pipe to the cylinder through the wall, conduction to the cylinder wall, and then transfer to the membrane material, membrane material so that the rapid evaporation of moisture off the wet, water Fans have been discharged. Dry material was good at roller device surface scraper shovel from the drum, and then through the screw conveyer and then do materials focus on packaging. 

Apply 

? apply to chemicals, dyes, pharmaceuticals, food, metallurgical and other industries more viscous liquid or dry materials. 

Main Features 

? high thermal efficiency. Drum dryers due to heat transfer mechanism is thermal conductivity, heat transfer at the direction of the entire operation cycle consistent, with the exception of cover and the thermal radiation heat losses, heat the remaining membrane material were used to drum moisture evaporation, the thermal efficiency of up to 80% -90%. 

? operating flexibility, and wide applicability. Adjustable drum dryers dry the many factors. Such as feed concentration, coating thickness of membrane material, heating medium temperature, drum rotation speed can change the drum dryer drying efficiency, and the many factors implicated in each other no. This gives a great drum drying operation convenience, so that it can adapt to a variety of dry materials and different production requirements. 

? a short drying time. Drying cycle, generally only 10-15 seconds, in the heat-sensitive materials suitable for. If the drum dryers browser settings in a vacuum, then under the conditions of operation at decompression. 

? large drying rate. Applied in the cylinder wall because of the thin film material is generally at 0.3-1.5mm, and heat and mass transfer direction, the surface can be expected to maintain the evaporation 15-70kg.H2O/m2.h. 

Technical parameters