Jiangsu Zhongbo Heavy Machinery Co., ltd

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Three Cylinder Dryer

The three-cylinder dryer has the advantages of compact structure, simple structure, reasonable layout, high heat exchange rate between material and heat energy, good drying effect, less basic input, only 1/2 of single barrel dryer with the same output, and less one-time input. Reliable operation, low energy consumption, high thermal efficiency, easy to realize automatic control, reduce operation personnel and save labor resources.

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Product Details

Introduction:

Three cylinder dryer is an improved high-efficiency energy-saving product based on common type rotary dryer.

The cylinder dryer improves the internal structure of the common rotary dryer, increases the pre-drying of the wet material before entering the machine and prolongs the drying time of the wet material in the machine, plus sealing, heat preservation and reasonable matching measures. The production capacity of dryer is increased by 48-80%, the evaporation intensity of unit volume is 120 ~ 180 kg / m3, and the standard coal consumption is only 6 ~ 8 kg / t. Its advanced technology, reasonable operation parameters, simple and feasible operation, widely used in various industries of slag, clay and coal.

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Working Principle:

The material enters the inner layer of the rotary drum from the feeding device to realize downstream drying. The material is continuously copied and scattered under the inner layer of the copying plate to realize heat exchange, and the material moves to the other end of the inner layer and enters the middle layer. Counter current drying is carried out, and the material is continuously pushed forward in the middle layer, and the material is moved in two steps. The material in the middle layer fully absorbs the heat emitted by the inner roller and absorbs the heat of the middle roller, and at the same time prolongs the drying. Time, where the material is in the best dry condition. The material goes to the other end of the middle layer and falls into the outer layer. The material travels in a rectangular multi-loop manner in the outer drum. The material that achieves the drying effect quickly travels out of the drum under the action of hot air. The wet material that does not reach the drying effect cannot be fast due to its own weight. As the material travels, the material is sufficiently dried in the rectangular copy board, thereby completing the drying purpose.

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Technical Parameters:

Item

φ2.0×6m

φ2.5×6.5m

φ2.7×7m

φ3×7m

φ3.2×7m

φ3.6×8m

φ4.2×8.5m

Diameter of outer cylinder (m)

2.0

2.5

2.7

3

3.2

3.6

4.2

Length of outer cylinder (m)

6

6.5

7

7

7

8

8.5

Cylinder volume (m³)

18.84

31.89

40.5

49.46

56.26

81.38

118

Rotating speed of cylinder (rpm)

3-10

3-10

3-10

3-10

3-10

3-10

3-10

retention time of materials (min)

12-30

12-30

12-30

12-30

12-30

12-30

12-30

Initial moisture of materials (%)

6-25

6-25

6-25

6-25

6-25

6-25

6-25

Final moisture of materials (%)

≤1

≤1

≤1

≤1

≤1

≤1

≤1

Highest intake air temperature (℃)

750-900 ℃

750-900 ℃

750-900 ℃

750-900 ℃

750-900 ℃

750-900 ℃

750-900 ℃

Production capacity (T/H)

Slag

20-25

25-30

30-35

35-10

40-45

50-65

70-85

Coal ash

10-17

17-21

20-25

23-27

25-30

30-45

45-63

Yellow sand

20-27

25-40

27-45

30-45

35-50

55-75

75-99

Motor type

Yr160m-4

Yr132m-4E

Yr160m-4

Yr160m-4

Yr132m-5E

Yr160m-4E

Yr160m-4E

Motor power (kw)

7.5×2

11×2

7.5×4

7.5×4

11×4

15×4

18.5×4

Reducer type

XWD-6

XWD-6

XWD-6

XWD-6

XWD-6

XWD-8

XWD-8

Velocity ratio of reducer (I)

17-29

17-29

17-29

17-29

17-29 td>

17-29

17-29


Features:

The three-cylinder dryer has the advantages of compact structure, simple structure, reasonable layout, high heat exchange rate between material and heat energy, good drying effect, less basic input, only 1/2 of single barrel dryer with the same output, and less one-time input. Reliable operation, low energy consumption, high thermal efficiency, easy to realize automatic control, reduce operation personnel and save labor resources.


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