Sludge Dryer

Sludge Dryer

Weight:9-135t
Production Capacity:1.9-76t/h
Sludge dryer produced by Kailide Machinery is mainly used for dehydrating and drying sludge, thus reducing the water content and volume of sludge. It has many advantages such as strong adaptability, high heat utilization rate, uniform drying effect, fewer clean-up times, convenient maintenance, etc.

Introduction 

 Rotary dryer can dry many kinds of materials which contain moisture, such as coal, coal slurry, slag, industrial waste, and clay stone. Rotary dryer are widely used in building materials,
metallurgy, and chemical industry. Rotary dryer is handling by bringing it into direct contact with a heated gas. The dryer is made up of a large, rotating cylindrical tube,the dryer slopes 
so that the discharge end is lower than the material  feed end in order to convey the material through the dryer.
 

Working Principle

Material to be dried enters the dryer, and as the dryer rotates, the material is lifted up by a series of internal fins lining the inner wall of the dryer. 
When the material gets high enough to roll back off the fins, it falls back down to the bottom of the dryer, passing through the hot gas stream as 
it falls. This gas stream can either be moving toward the discharge end from the feed end , or toward the feed end from the discharge end (known as counterurrent flow). 
The gas stream can be made up of a mixture of air and combustion gases from a burner, in which case the dryer is called a direct heated dryer. Alternatively, the gas stream
 may consist of air or another (sometimes inert) gas that is preheated. When the gas stream is preheated by some means where burner combustion gases do not enter the dryer, the dryer known as an indirect-heated type. Often, indirect heated dryers are used when product contamination is a concern.


 
Sludge is fed into the dryer by a feeding device through an oblique chute; as the dryer rotates, the sludge is lifted up and scattered by lifting blades, and hot air preheats and drys the sludge to a certain extent; when the sludge falls down to the grate type blades, it is dried by the hot blades; at the same time, the hot air drys the sludge when it is lifted up and down by the blades; also, the cleaning-up device inside breaks up the lumps or pellets which are already formed in this process; finally, dried and loose sludge is discharged from the discharging end as final products;

Advantages:Inquiry > >

1). High dry capacity,mooth rotation.
2).Smooth rotation, stronger applicability ,easyoperation.
3). Overload resistance, large processing capacity, and low drying cost.
4). High efficiency radiator, and with reasonable guide operation, make hot air directly and material contact, greatly improve the drying efficiency
 

Technical Parameters:Inquiry > >

 Model(m)
(Shell diameter*shell length)
Shell cubage
(m3)
Capacity
(t/h)
Gradient
(°)
Highest inlet air
temperature
(℃)
Main motor
power
(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
27.4~34.0
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

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