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Three-drum Dryer

Condition: New Brand Name: Fote Production Capacity: 1-100t/h Drying Materials: Powder, coal, sand, clay, slag, etc. Quality: Advanced in same industry

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.

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Detailed Description

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.

Main Features of Three-drum Dryer

(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

Working Principle of Three-cylinder Dryer

Materials go inside the rotating roller from the feeding machine to realize downstream dying. Under the lifting boards of the cylinder, materials are constantly lifted and scattered, thus realizing heat exchange. Materials move to the other end of the internal side to the middle side for countercurrent drying. In the middle side, materials can sufficiently absorb the heat emitted by the internal roller as well as the middle roller, and then the dying time can be extended, and materials can reach the optimum drying state. Then materials move to the other end of the middle layer and fall to external layer inside which materials move forward with multiple loops, and the materials reaching drying effect will be quickly discharged from the roller under the hot air, and the wet materials that do not reach the drying effect cannot quickly move forward under gravity, so that they will be sufficiently dried inside the lifting board, thus completing the drying process.

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
Slag20-25
Yellow sand30-35
Slag25-30
Yellow sand35-40
Slag30-35
Yellow sand45-50
Slag35-40
Yellow sand65-70
Slag60-65
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

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