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Direct Heating Downstream Rotary Drum Dryer
As the professional manufacture, we would like to provide you Direct Heating Downstream Rotary Drum Dryer. And we will offer you the best after-sale service and timely delivery.
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Product Description
Direct Heating Downstream Rotary Drum Dryer
Features:
The reverse vacuum dryer has high mechanization and large production capacity.
The resistance of fluid passing through the cylinder is small and the function consumption is low.
It has strong adaptability to material characteristics.
Stable operation, low operation cost and good drying uniformity.
working principle:
After the wet materials are put into the dryer from one end, the plate copying device with uniform distribution in the inner cylinder turns over, the materials are evenly distributed and dispersed in the dryer, and fully contact with the parallel flow (countercurrent) hot air, which speeds up the drying heat transfer and transfers to the driving force. In the process of drying, the material can move to the star discharge valve of the other section of the dryer to discharge the finished product under the action of the inclined plate and hot air.
Application:
Large particles in chemical industry, mining industry and metallurgy industry, which are drier than serious materials, such as ore, blast furnace slag, coal, metal powder, phosphate fertilizer and ammonium sulfate.
Drying of powdery and granular materials with special requirements, such as HP foaming agent, distiller's grains residue, light calcium carbonate, activated clay, magnetic powder, graphite and drug residue.
Materials requiring low temperature drying and continuous drying in large quantities.
Technical parameters:
|
model |
Direct heating downstream type |
Direct heating downstream type |
Direct heating downstream type |
Direct heating downstream type |
Direct heating downstream type |
Direct heating downstream type |
|
Types of materials |
ore |
HP vesicant |
Blast furnace slag |
Ammonium sulphate |
Phosphate fertilizer |
coal |
|
Capacity (kg/h) |
1000 |
466 |
15000 |
20000 |
12000 |
5000 |
|
Output water content (%) |
30 |
13 |
6 |
1.5 |
5 |
6.5 |
|
Final Water Content (%) |
15 |
0.3 |
1 |
0.1 |
0.1 |
0.1 |
|
Mean particle size (mm) |
6.5 |
0.05 |
4.7 |
0.5-1.7 |
0.5 |
5 |
|
Material stacking weight (kg/m3) |
770 |
800 |
1890 |
1100 |
1500 |
750 |
|
Hot air (kg/h) |
3900 |
5400 |
10750 |
9800 |
6500 |
16000 |
|
Inlet gas temperature (oC) |
600 |
165 |
500 |
180 |
650 |
570 |
|
Material outlet temperature (oC) |
|
42 |
100 |
70 |
80 |
75 |
|
Heating mode |
The gas |
Steam electric heating |
Heavy oil |
Coal-fired hot blast stove |
Heavy oil |
Heavy oil |
|
Loading coefficient |
|
6.3 |
7 |
7.5 |
7.8 |
18 |
|
Rotational speed (RPM) |
4 |
4 |
3.5 |
3 |
4 |
2 |
|
gradient |
0.04 |
0.005 |
0.03 |
0.05 |
0.05 |
0.043 |
|
Copy number plate |
12 |
24 |
12 |
22 |
Inner tube outside 8 Inner tube outside 16 |
6 12 |
|
Diameter of dryer (m) |
2.0 |
1.5 |
2 |
2.3 |
Outer barrel 2 Inner barrel 0.84 |
Outer barrel 2.4 Inner barrel 0.95 |
|
Length of dryer (m) |
20 |
12 |
17 |
15 |
10 |
16 |
|
Driving power (KW) |
22 |
7.5 |
15 |
11 |
11 |
15 |
