Sludge Dryer

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Sludge dryer, also known as sludge drying machine or sludge drying equipment, is suitable for drying sludge with high viscosity, especially for drying urban sludge. It can dewater wet sludge with water content of 85% into dry powder with water content under 10%. 

Sludge dryer is a kind of equipment specially researched and designed for sludge drying, specific to materials with high moisture content, high viscosity, high water holding capacity and low calorific value. We have made special design on the internal structure, which not only improves the thermal efficiency and effectively avoids sludge adhesion to the dryer and over-drying.

Sludge Dryer

Application Areas

Sludge dryers are widely used in the drying of high-wet materials such as active sludge, sewage sludge, petrochemical sludge, paper mill sludge, printing and dyeing sludge, tannery sludge, electroplating sludge, municipal sludge, biological fermentation bacteria slag and so on.

dryer

Value of Sludge after Drying

1. Incineration Disposal

After drying the sludge is of about 1300 to 1500 calories and can be burned mixed with coal. Three tons of dried sludge is equivalent to one ton of coal of 4500 calories, and a ton of dry sludge can produce the same amount of steam. A ton of coal can be added 100 to 200 kilograms of dried sludge.

2. Brick Making

The dried sludge can be added in clay according to the proportion of 1:10. It is equal to common red brick in intensity, has a certain calorific value and can self-ignite to increase heat in the process of burning brick.

3. Making Biochemical Fiberboard

In alkaline condition, a series of physical and chemical changes (globulin degeneration)take place after heating and drying, thus generating active sludge resin (fibrin glue). Then make the fiber bond together and press it into board.

4. Cement admixture

5. landfill compost

Organic sludge contains nitrogen, phosphorus and potassium, necessary ingredients of crop fertilizer. Crude protein or globulin in active sludge is a good soil modifier. The sludge with stable properties is of great agricultural value.

Henan Hongxing Mining Machinery Co., Ltd. is a large-sized sludge dryer manufacturer and there are many types of drying equipment for sale. Welcome friends from all over the world to our company. We are always here waiting for your consultation.

Parameters
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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