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Lignite Rotary Dryer

Lignite dryer application range
· 
     lignite rotary dryer is developed on the basis of common drying machine,this is new type professional special design drying 
equipment basised on the characteristics of the coal.

 New type liginte rotary dryer is widely applied:
1. Coal industry, such as lignite, coal,raw coal,flotation concentrate and other material’s drying.
2. The lignite rotary dryer also can use to drying Construction industry blast furnace slag,clay,
    Peng bentonite, lime stone and other material.
3. Our lignite dryer also can used to drying ore dressing industry of various kinds of metal concentrates,slag,
     tailings and other materials.
4. The drying of none thermal sensitive material in chemical industry
 
The lignite dryer drying system equipment:
The lignite rotary dryer drying system mainly consisted:
1. burning furnace,    2.feed conveyor,    3.dryer machine,   4.output conveyor,     
 5.dust catcher,    6.electrical cabinet and others
 
The characteristics of the lignite rotary dryer:
1.)New type liginte rotary dryer can improve 30-45%the calorific value of coal, desulfurization and reduce volatile

2.)Reliable, Safety,simple operation, convenient maintenance, safe and durable Lignite dryer.

3.)The drying temperature of lignite dryer can be control when drying to ensure the quality of coal material.  

4.)this type lignnite dryer can continuous work one day 24 hours with large capacity

5.)Adopts downstream drying methods, hot air and wet material from the same side into the dryer machine,
can take advantage of the high temperature hot air to obtain high evaporation strength,the material can reduce moisture 
in the short time.But the dryer outlet temperature is low,this is High thermal efficiency dryer machine

6.)Another characteristics of this lignite rotary dryer is can change operation parameters according to 
drying different materials.In the process of drying, the lignite will form a curtain in the dryer body when the dryer working,
make quality raw material with hot air heat exchange more fully, improve the efficiency of drying.

7.)New type feeding equipment,outlet material equipment,eliminate the lignite dryer feeding material jams, discontinuous and 
uneven and returns material, reduces the load of dust removal system;

8.)The internal structure with special design,it strengthen the dispersed lignite cleaning and heat conduction function, 
the special design of internal structure of dryer also can eliminate the wet material stick on the wall of dryer,So this new type 
lignite dryer is very suitable to the high moisture, high viscosity material.


Technical Parameters of Lignite Rotary Dryer
· 

Model Diameter
(m)
Length
(m)
speed
(r/min)
Installation obliquity
(%) 
Drying temperature
(°c)
Capacity
(t/h)
Motor
(kw)
Weight
(ton)

 
Φ0.8x8 0.8
 
8 3-6 3-5% ≥800 0.6-0.8 3 3
Φ1.0x10 1.0
 
10 3-6 3-5% ≥800 1-1.5 4 7
Φ1.2x10 1.2
 
10 3-6 3-5% ≥800 1.8-2 7.5 14
Φ1.2x12 1.2
 
12 3-6 3-5% ≥800 2-3 11 15
Φ1.5x15 1.5
 
15 3-6 3-5% ≥800 3-3.5 15 20
Φ1.8x18 1.8
 
18 3-6 3-5% ≥800 5.0-5.5 18.5 30
Φ1.8x20 1.8
 
20 3-6 3-5% ≥800 5.5 18.5 33
Φ2.2x20 2.2
 
20 3-6 3-5% ≥800 6.5-7.0 22 56
Φ2.4x20 2.4
 
20 3-6 3-5% ≥800 7.5-8 30 60
Φ2.5x20 2.5
 
20 3-5 3-5% ≥800 8-9 30 63
Φ2.5x25 2.5
 
25 3-5 3-5% ≥800 10-11 37 68
Φ2.8x20 2.8
 
20 3-5 3-5% ≥800 13-15 45 75
Φ2.8x30 2.8
 
30 3-5 3-5% ≥800 18-20 55 83
Φ3.0x20 3.0
 
20 3-5 3-5% ≥800 18-20 55 78
Φ3.0x22 3.0
 
22 3-5 3-5% ≥800 20-25 55 80
Φ3.0x30 3.0
 
30 3-5 3-5% ≥800 25-28 75 90
 
Flow Chart of ligntie drying system;

 Lignite dryer system working site:



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