Compound Heating Rotary Drum Dryer
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Compound Heating Rotary Drum Dryer

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Product Description

Compound Heating 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.

Compound Heating Rotary Drum Dryer 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



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