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Rotary Drum Dryer


Supply Ability: 8 Set/Sets per Month

Port: Qingdao,Tianjin, Shanghai or others

Production capacity: 2.5-800t/h

Feature: Dry strength, High thermal efficiency, Processing capacity

Introduction

Rotary drum dryer is the device that is used to heat and dry the materials. Rotary drying machine is generally applicable to granular materials and it can be also used for the drying of some part of sticky pasty materials or the materials with high water content. Rotary dryers are commonly used to dry sand, slag, slime and so on. What is more, the drying machine is one of the drying apparatus typically used in the cement plants, namely, cement rotating dryer.

Rotary Drum Dryer

In the industry of mineral processing, building materials, metallurgy, chemical industry and other departments, rotary dryer is mainly used for the drying of the materials with certain humidity or granularity. The adaptability of materials is strong and the rotary drying machine can be used to dry various materials. In addition, the equipment is simple and reliable. Thus, it is widely used.

Features

1. High degree of mechanization, large production capacity and the continuous operation can be achieved.

2. Structure is excellent and simple, material moves smoothly through the barrel resistance and it is easy to operate.

3. Less failure, low maintenance costs, low power consumption.

4. Wide application range and good uniformity of the dry products.

Rotary Drum Dryer

Rotary Drum Dryer

Rotary Drum Dryer

In the rotary dryer, according to the differences of materials and the flow direction of the hot gas, there are two types of operation way: cocurrent and countercurrent. When selecting the operation way, cocurrent or countercurrent, the operators should take overall consideration based on the characteristics of the material, particle size, the requirements of the final moisture of the materials as well as the plant layout etc. In the cement plant, both the two methods of operation have been put into use and the majority adopt cocurrent method.

Working Principle

The sleeve sets structure that rotary dryer adopts can shorten the length of the drying machine doubly. The significant reduction of the radiating surface results in that the heat consumption decreases, while the double heat exchange surface greatly improves the thermal efficiency. As for the materials that can not touch smoke, the multi-drums dryer machine provides inner smoke pipe and the annular pipe in the inner and outer cylinders respectively. Each smoke pipe connects with the flue and the same energy-efficiency will be obtained.

rotary drum dryer

Parameter

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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