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Cement Rotating Dryer

In cement plant, the most widely adopted equipment to dry limestone, clay, coal dust and mixed-materials is cement rotating dryer.

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In cement plant, the most widely adopted equipment to dry limestone, clay, coal dust and mixed-materials is cement rotating dryer. Because of its high material adaptability, simple and reliable operation, safe operation structure and anti-dust function, this dryer machine is popular. The materials are dried through heat and drying equipment, and the specific artificial flow is determined by the characteristics of the materials and the state of drying media.

The helical blade and the indirect spiral raising plate within the rotating barrel of the rotary dryer will kick up the materials which will be dried by the heat in the barrel. After mixing with the materials, heat can be discharged from the top of the aggregate box or the smoke outlet.

Cement Rotating Dryer

Working Principle Of Cement Drying Machine

Mineral waste residue is put into the feeding end via the feeding pipe by the feeder to make the waste go into the rotating cylinder that has an angle of inclination. What is important is that the inclination of the pipe should be larger than the natural inclination of the materials. While moving to the lower side of the rotating barrel, the materials will directly or indirectly get to the heat-carrying equipment and get into the cylinder from the bottom of the barrel. Then the wet materials are dried and the products will be discharged from the discharge end. The drying rate is raised by the shoveling plate that increases contact surface by spreading materials. The dust filter is used for collecting the materials within gas. 

Technical Data

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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