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Dryer Machine

Dryer Machine


Cylinder capacity: :9-285m³

Processing capacity: 0.5-50t/h

Applied material: limestone, fly ash, coal powder, slag, clay.

Introduction

Rotary dryer is a device used for materials heating and drying. Materials in the rotary cylinder of concentric series are able to be dried in the process of traversing back and forth.

Structure of Rotary Dryer

According to customers’ demand, the gas producer, combustion chamber or supporting elevator, belt conveyer, fixed-quantity feeder, cyclone dust collector and draught fan can be designed respectively in the rotary dryer. The main body is chiefly composed of the cylinder, front roll ring, back roll ring, gear, and dam roller; drag roller, pinion, discharging part, raising plate, reducer, motor, feeding chute, furnace body, etc.

Dryer Machine

Working Principle of Rotary Dryer

The reduction of heat dissipation surface helps to reduce heat consumption, and the increasing heat exchanging surface can greatly improve the efficiency of heat exchange. For materials cannot contact smoking, multi-cylinder rotary dryer supplies the internal flue and annular flue inside and outside the cylinder respectively, and each flue uses radical flue to communicate with each other, and it is also efficient and energy-saving. 

limestone dryer

Indirect Heat Drier

cement rotating dryer

Indirect heat drier is primarily used for drying granule materials with a certain degree of moisture and granularity, such as yellow sand, molding sand, cinder, clay, and some other small granule materials resistant to high temperature and smoking and dust. The moisture content of the materials shall be below 1 to 0.5 percent after drying. This machine mainly consists of rotary body, raising plate, transmission, back-up unit as well as seal ring. It is characterized by the merit of reasonable structure, excellent workmanship, high production, low energy consumption and convenient operation.

Sawdust Dryer

Dryer Machine

Sawdust dryer adopts the spiral conveyer to add the granular powder into the drying tube. That is a process of evaporating the moisture in the wet materials during conveying and dispersing of the high-speed hot stream, so as to obtain powdery or granular dry products. This equipment is mainly composed of air heater, feeder, airflow drying pipe, cyclone separator and draught fan. 

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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