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Rotary Drum Dryer

The rotary drum dryer is mainly used for drying wet block, pellet and powder materials in a size of less than 20mm. Its fuel can be coal, oil and gas.

Capacity 1.9-76t/d

Shell cubage 9.0-285m³

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Rotary Drum Dryer
  • Factory
    direct sale
  • Price concessions
  • Prompt delivery

Overview

According to the component and structure, the rotary drum dryer includes the monocular dryer, the double-drum Dryer, the three-drum dryer and the airflow dryer. Thanks to a wide range of materials and simple operation, this equipment is widely accepted.

Applicable Materials

A.Chemistry, metallurgy and mining

ore, slag or blast furnace slag for building materials and cement industry, coal or coal slurry, metal powder, clay, diatomaceous earth, kaolin, bentonite, sawdust, river sand, and fly ash

B.Drying powdery or granular materials with specific requirements

All kinds of crystals, light calcium carbonate, activated clay, magnetic powder, graphite, inorganic mud, clay, lime slurry, ore mud, phosphate slag, and red mud for aluminum plant

Classifications

According to the component and structure, the rotary drum dryer includes the monocular dryer, the double-drum Dryer, the three-drum dryer and the airflow dryer. However, in light of the materials, it can also be divided into different types.

A.Sand dryer

Processing materials: river sand, sea sand, garnet sand, carborundum, silica sand, quartz sand, and zircon sand

B.Mineral powder dryer

Processing materials: metal and non-metallic mineral powder

a. metal mineral powder: copper ore powder, iron ore powder, aluminum oxide powder, mercury ore powder, tin ore powder, cobalt powder ore, nickel powder ore, manganese ore powder, gold ore powder, hematite powder

b. non-metallic mineral powder: talcum powder, calcium carbonate powder, kaolin, quartz, silicon lime powder, limestone powder, dolomite powder, calcite powder

C.Other types

a. mud: mud, lime slurry, ore mud, aluminum plant red mud, and clay

b. coal: coal slurry, coal, fly ash, coal powder, and cinder

c. wood: sawdust, wood chips, veneer and others

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Advantages

70 t/h rotary drum dryer

The entire surface of the material can be used as the effective area for drying, constantly increasing drying strength.

Thanks to the frequency-conversion motor, its rolling speed can be adjusted at the site.

It is equipped with the dust removing device and LX combined lifting plate to avoid the phenomenon that the cylinder is filled with hot air.

The reasonable structural design of the roller and various lubrication methods help the roller avoid being worn or having broken shaft. The cylinder is made of steel to enhance its hardness and toughness.

Specifications

  • Rotary Kiln
  • Indirect Heat Transfer Dryer
Spec./m Shell Cubage Capacity(t/h) Installation(%) Highest Inlet Air
Temperature(℃)
Main Motor Weight(t)
Ø1.2×8 9 1.9-2.4 3-5 700-800 7.5 9
Ø1.2 ×10 11.3 2.4-3 3-5 700-800 7.5 11
Ø 1.5×12 21.2 4.5-5.7 3-5 700-800 15 18.5
Ø 1.5×14 24.7 5.3-6.6 3-5 700-800 15 19.7
Ø1.5×15 26.5 5.7-7.1 3-5 700-800 15 20.5
Ø 1.8×12 30.5 6.5-8.1 3-5 700-800 18.5 21.5
Ø 1.8×14 35.6 7.6-9.5 3-5 700-800 18.5 23
Ø 2.2×12 45.6 9.7-12.2 3-5 700-800 22 33.5
Ø 2.2×14 53.2 11.4-14.2 3-5 700-800 22 36
Ø 2.2×16 60.8 13-16.2 3-5 700-800 22 38
Ø 2.4×14 63.3 13.5-16.9 3-5 700-800 37 45
Ø 2.4×18 81.4 17.4-21.7 3-5 700-800  37 49
Ø 2.4×20 90.4 19.3-24.1 3-5 700-800 45 54
Ø 2.4×22 99.5 21.2-26.5 3-5 700-800 45 58
Ø 2.6×24 127.4 27.2-34 3-5 700-800 55 73
Ø 3×20 141.3 30.1-37.7 3-5 700-800 75 85
Ø 3×25 176.6 37.7-47.1 3-5 700-800 75 95
Ø 3.2×25 201 42.9-53.6 3-5 700-800 90 110
Ø 3.6×28 285 60.8-76 3-5 700-800 160 135
Spec./m
(Dia.×Length)
Shell Cubage
(m³)
Capacity
(t/h)
Installation
Obliquity
(%)
Highest Inlet
Air Temperature
(℃)
Main Motor
(kw)
Weight
(t)
Φ1.2×8.0
9.0
1.9~2.4
3~5
700~800
7.5
9
Φ1.2×10
11.3
2.4~3.0
3~5
700~800
7.5
11
Φ1.5×12
21.2
4.5~5.7
3~5
700~800
15
18.5
Φ1.5×14
24.7
5.3~6.6
3~5
700~800
15
19.7
Φ1.5×15
26.5
5.7~7.1
3~5
700~800
15
20.5
Φ1.8×12
30.5
6.5~8.1
3~5
700~800
18.5
21.5
Φ1.8×14
35.6
7.6~9.5
3~5
700~800
18.5
23
Φ2.2×12
45.6
9.7~12.2
3~5
700~800
22
33.5
Φ2.2×14
53.2
11.4~14.2
3~5
700~800
22
36
Φ2.2×16
60.8
13.0~16.2
3~5
700~800
22
38
Φ2.4×14
63.3
13.5~16.9
3~5
700~800
37
45
Φ2.4×18
81.4
17.4~21.7
3~5
700~800
37
49
Φ2.4×20
90.4
19.3~24.1
3~5
700~800
45
54
Φ2.4×22
99.5
21.2~26.5
3~5
700~800
45
58
Φ2.6×24
127.4
27.2~34.0
3~5
700~800
55
73
Φ3.0×20
141.3
30.1~37.7
3~5
700~800
75
85
Φ3.0×25
176.6
37.7~47.1
3~5
700~800
75
95
Φ3.2×25
201
42.9~53.6
3~5
700~800
90
110
Φ3.6×28
285
60.8~76.0
3~5
700~800
160
135

Technical parameters of indirect heat dryer:

  Shell 
diameter
×shell 
Length  
Items
Inside 
diameter 
of outer 
shell
(mm)
Inside 
diameter 
of inner 
shell
(mm)
Shell
 Length
(m)
Shell
 cubage
(m³)
Shell 
obliquity
Lifting 
blade
 form
Highest 
inlet air
 temperature
(℃)
Dimensions
(m)
Φ1.5×15m 1500 500 15 20.27 3-5% Lifting form 850 16.2×2.7×2.7
Φ1.5×17m 17 22.97 18.2×2.7×2.7
Φ1.5×19m 19 25.68 20.0×2.9×2.9
Φ1.8×21m 1800 650 21 35.91 3-5% Lifting form 850 22.5×2.7×2.7
Φ1.8×23m 23 39.33 24.5×2.9×2.9
Φ1.8×25m 25 42.75 26.5×2.9×2.9
Φ2.2×21m 2200 800 21 58.10 3-5% Lifting form 850 ----
Φ2.2×23m 23 63.61
Φ2.2×25m 25 69.15

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Customer feedback

  • Gwendolyn

    The slag dryer features excellent production, stable performance, advanced technology and low energy consumption with reasonable design, consisting of a rotary cylinder, the air-inducing equipment and high-speed dispersing equipment. Small space as it takes up, it earns lots of benefits for us.

  • Kristin

    The sawdust dryer from FTM can be continuously added to the drying pipe by a screw conveyor. In the transportation and dispersion of the high-speed hot gas stream, the water is evaporated to obtain powdery or granular finished products, conforming to our requirements for the dryer.

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