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HZG Series Rotaing Barrel Dryer

DESCRIPTION
Wet material is loaded from one head of the dryer, and then it is stirred by the bafflers that is uniformly distributed in the barrel. Material is uniformly distributed and dispersed in the dryer, fully contact the hot air of parallel (or counter) flow, so the drying process is expedited, and the impulsion power of media transfer is enhanced. During the drying process, material is under the effect of angled baffler and hot air, moves to the star shape unloader that is at the other head of the dryer.

FEATURES
● The motorization level of the barrel is high, and the production capacity is high;
● The resistance that the material passes through the barrel is less, and the power consumption is low.
● Application capability to different characters of materials is high.
● The operation is stable, the operation fee is low, and the uniformity of product drying is good.

APPLICATIONS
Applicable for drying big particles, heavy particles in chemical, mining,and metallurgy, such as mining area, cinder of blast furnace, coal, powder of metal, phosphate fertilizer and thiamine. For drying the powder or particles with special requirements, such as HP foaming blowing agent, residule of alcohol, light calcium carbonate, active clay, magnetic powder, graphite, and residue of medicine. For materials to be dried under low temperature and large lot continuous production.

FEATURES
● The motorization level of the barrel is high, and the production capacity is high;
● The resistance that the material passes through the barrel is less, and the power consumption is low.
● Application capability to different characters of materials is high.
● The operation is stable, the operation fee is low, and the uniformity of product drying is good.

FLOW CHART



 
TECHNICAL PARAMETERS

item (m)

productive capacity (t/h)

revolution (r/min)

motor power (kw)

install angle (°)

Temp. of final

ø1.0×5.0

0.5-1.2

0.6-6

4

3-5

≤1.5%

ø1.2×6-10

1.5-3

0.6-6

5.5

3-5

≤1.5%

ø1.5×12-18

3-5.5

0.6-6

15

3-5

≤1.5%

ø1.8×12-18

5-6.5

0.6-6

18.5

3-5

≤1.5%

ø2.2×12-22

7-12

0.6-6

22

3-5

≤1.5%

ø2.4×15-20

9-15

0.6-6

30

3-5

≤1.5%

ø3.0×25

16

0.6-6

55

3-5

≤1.5%


form

direct heating clockwise flow

heat directly countercurrent spec

compound heating

kinds of raw materials

ore

HP vesiccant

slag of blast fumace

ammonium sulfate

phosphorus fertilizer

coal

amount to be treated kg/h

1000

466

15000

20000

12000

5000

primary moisture %

30

13

6

1.5

5

6.5

final moisture %

15

0.3

1

0.1

0.1

0.1

average diameter mm

6.5

0.05

4.7

0.5-1.7

0.5

5

bulk density of raw material kg/m2

770

800

1890

1100

1500

750

amount of hot air kg/h

39000

5400

10750

9800

6500

16000

temperature of air at inlet ℃

600

165

500

180

650

570

temperature of raw material at outlet ℃

 

42

100

70

80

75

way of heating

gas

electric heating

heavy oil

coal fuel hot fumace

heavy oil

heavy oil

loading efficiency

 

6.3

7

7.5

7.8

18

revolution rpm

4

4

3.5

3

4

2

gradient m/m

0.04

0.005

0.03

0.05

0.05

0.043

quantity of stirring-up rake

12

24

12

22

outer of inner cylinder 8
inner of out cylinder 16

outer of inner cylinder 6
inner of out cylinder 12

diameter of dryer m

2.0

1.5

2

2.3

out cylinder 2
inner cylinder 0.84

out cylinder 2.4
inner cylinder0.95

length of dryer m

20

12

17

15

10

16

driving power kw

22

7.5

15

11

11

15




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