Double Drum Rotary Dryer

Double Drum Rotary Dryer
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  • The double drum rotary dryer has high thermal efficiency and shows remarkable energy-saving effect.
  • Materials exchange heat with the hot air in the form of radiation, convection or conduction in the inner drum, while in the outer drum, heat exchange is performed through both conduction and convection.
  • The lifting blades of multiple designs make the materials exchange heat with the hot air more fully.
  • The length of this double drum rotary dryer is reduced by about 40% compared with single drum product. This is conducive to processing set-up, reduces the plant construction area, and saves construction investment.
Technical Parameters
Specificationm Ф2.0×7m Ф2.5×7.5m Ф3.2×8m Ф3.6×8.5m Ф4.2×9m
Diameter of the outer drumm 2.0 2.5 3.2 3.6 4.2
Length of the outer drumm 7 7.5 8 8.5 9
Drum volumem3 21.98 36.8 64.3 86.48 124.6
Drum speedrpm 4-10 4-10 4-10 4-10 4-10
Initial moisture content of material% 8-20 8-20 8-20 8-20 8-20
Final moisture content of material % ≤1 ≤1 ≤1 ≤1 ≤1
Maximum air intake temperature750-900℃ 750-900℃ 750-900℃ 750-900℃ 750-900℃
Capacity T/h Slag12-18 22-25 30-38 40-48 55-65
Fly ash8-10 15-20 25-30 35-40 40-50
Coal 8-10 13-18 23-28 33-38 40-45
Yellow sand15-20 23-28 35-43 40-50 60-70
Motor model Yr160m-4 Yr132m-4E Yr132m-4E Yr160m-4E Yr160m-4E
Motor powerKW 5.5×2 7.5×2 7.5×4 11×4 15×4
Reducer model XWD-6 XWD-6 XWD-6 XWD-6 XWD-6
Reducer speed ratio23-29 23-29 23-29 23-29

Related Names
Industrial Drying Machine | Energy Efficient Dryer | Hot Air Dryer

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