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Rotary dryers

Three drum Dryer

【Effective Volume】: 16.63-81.38m³


【Heat Source】:Coal, oil, natural gas, timber.

【Drying Materials】:Powder, coal, sand, clay, slag, etc.


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1. The needed investment is only 1/6 of foreign import product.

2. The final moisture of the materials is ensured to be below 0.5% making it the first choice of dry-mixed mortar and slag powder production line.

3. The self heat preservation heat efficiency of the cylinder can reach as high as over 70% thus improving the heat efficiency by 35%.

4. The fuel can be coal gas and oil and it can be used for drying lump granulous and powdery materials whose granularity is below 20mm.

5. Compared with monocular dryer machine its floor space is reduced by about 50% infrastructure investment reduced by about 50% and electricity consumption reduced by 60%.

6. The needed final water content index can be easily regulated according to customers’ requirement.

7. The temperature of the air out is low and the service life of the dust removing equipment is long.


8. It needs no rack wheel and pinion driving but uses riding wheel for transmission.


Three-drum dryer is also called three-cylinder dryer and  triple-drum dryer. It has improved internal structure of monocular dryer, which prolongs the time of pre-drying of wet materials and wet materials in the machine, thus improving 50% to 80% of production capacity compared with original monocular dryer.

Technical Parameters:
Item/Unit/Model Φ2.5×7m Φ2.7×7m Φ3.0×7.0m Φ3.2×7.0m Φ3.6×8m
Diameter of outer cylinder(m) 2.5 2.7 3.0 3.2 3.6
Length of outer cylinder(m) 7 7 7.0 7.0 8
Cylinder volume( m³ ) 16.63 16.63 52.678 52.678 81.38
Rotating speed of cylinder(rpm) 4-10 4-10 4 -10 4 -10 4 -10
Initial moisture of slag(%) 10-12 10-12 10-12 10-12 10-12
Final moisture of slag(%) 1 1 1 1 1
Initial moisture of yellow ground(%) 8-10 8-10 8-10 8-10 8-10
Final moisture of yellow ground (%) 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1
Highest intake air temperature(℃) 700-750℃ 700-750℃ 700-750℃ 700-750℃ 700-750℃
Production capacity(T/h) Yellow sand25-30
Yellow sand30-35
Yellow sand35-40
Yellow sand45-50
Yellow sand65-70
Motor type Y2-132m-4E Y2-132m-4E Y2-160m-4 Y2-160m-4 Y2-160m-4
Motor power(kw) 7.5×2 11×2 7.5×4 7.5×4 15×4
Reducer type XWD7-23-11W XWD7-23-11W XWD6-23-7.5KW XWD6-23-7.5KW XWD8-23-15KW
Velocity ratio of reducer 29 29 29 29 29

Note: No further notice if the technical parameters change.

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