PRODUCT

Lignite Dryer

Introduction : Lignite dryer is a kind of rotary drying equipment for dewatering lignite coal. 

Applied Materials : Lignite, non-stick coal, gas coal, gas fat coal, coking coal, lean coal, anthracite coal, raw coal, etc.

 

Processing Capacity

1.9–76t/h
 

Barrel Volume

9-285m³
200
+

Main Power

7.5-160kw

 

Product introduction

Lignite dryer, also called brown coal dryer or wood coal dryer, is a kind of rotary drying equipment for dewatering lignite coal. It adopts new drying technology (crushed and dispersed before drying), which realize continuous, industrial and automatic operation. The moisture content of lignite coal is lowered from 25-30% to below 13%, which improves the combustion efficiency. According to the special characteristics of lignite, lignite dryer adopts low temperature four drying stages.

Four Drying Stages

First level: Most of the moisture on the lignite surface is removed rapidly at a high temperature of 400℃, and the composition of lignite is not changed.

Second level: 300℃, close to ignition point of lignite, under the action of induced draft fan, the moisture on the internal surface of lignite is removed, and the lignite is not charred.

Third level: Lignite is crushed and distributed by the crushing device in the drum when flow through this area, then it is fully dried in the drum with the temperature of 120-210℃.

Forth level: Much water is discharged after drying. In case of moisture regain, water is removed under the action of induced draught system in the temperature of 60-80℃. Finally, we get the lignite products.

Henan Afuruika Machinery Equipment Co. , Ltd

 

Applications of Lignite Rotary Dryer

Coal slime, raw coal, any kinds of fine coal in coal industry.

Iron powder, copper powder, zinc powder and any other metal granular materials in ore processing and mining.

Clay, limestone, sand, silica/quartz sand, bentonite, slag, etc. in building materials

Non-thermal sensitive materials in metallurgy.

Other kinds of powder and particle that need to be dried specially.

Working Site

Henan Afuruika Machinery Equipment Co. , Ltd Henan Afuruika Machinery Equipment Co. , Ltd Henan Afuruika Machinery Equipment Co. , Ltd

 

Technical Parameters

Spec.

(Dia.×Length)(m)

Barrel volume(m³)

Capacity(t/h)

Installation obliquity(%)

Max. inlet air temperature(℃)

Main power(kw)

Weight(t)

Φ1.2×8.0

9

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

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