Jiangsu Zhongbo Heavy Machinery Co., ltd

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Rotary Kiln

1. Support device: advanced shaft structure, automatic temperature measuring device and electrical heating.
2. Catch wheel: including two kinds mechanical wheel and hydraulic pressure.
3. Gears: single or double. Control the rotating speed by variable motor, DE machine and frequency variable motor. Be reliable, energy–saving, and efficient.

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Product Details

Rotary Kiln Introduction:
Rotary kiln can be divided into metallurgy kiln, chemical engineering kiln, and building material kiln according to its different dealing materials. The building material kiln is mainly used in calcining clinker cement, limestone and porcelain granule. Metallurgy rotary kiln is mainly used for the magnetizing calcining of lean iron ore in iron and steel plant in metallurgy industry, the chromites and oxidizing calcining , calcining and clinker aggregate and aluminum hydroxide roasting in aluminum factory; Chemical engineering rotary kiln is used in chemical plant for chromium ore and chromium ore powder roasting. The limestone kiln (activity limestone kiln) is used for calcining activity lime and dolomite in iron and steel plant and ferroalloy works.

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Rotary Kiln Main Parameter:

Specifications (m)

Kiln dimensions

Output (t/h)

Rotation speed (r/min)

Motor power (kw)

Weight (t)

Note

Diameter (m)

Length (m)

Obliquity (%)

Ø1.4*33

1.4

33

3

0.9-1.3

0.39-3.96

18.5

47.5

----

Ø1.6*36

1.6

36

4

1.2-1.9

0.26-2.63

22

52

----

Ø1.8*45

1.8

45

4

1.9-2.4

0.16-1.62

30

78.2

----

Ø1.9*39

1.9

39

4

1.65-3

0.29-2.93

30

77.59

----

Ø2.0*40

2

40

3

2.5-4

0.23-2.26

37

119.1

----

Ø2.2*45

2.2

45

3.5

3.4-5.4

0.21-2.44

45

128.3

----

Ø2.5*40

2.5

40

3.5

9.0-10.5

0.44-2.44

55

149.61

----

Ø2.5*50

2.5

50

3

6.25-7.4

0.62-1.86

55

187.37

----

Ø2.5*54

2.5

54

3.5

6.9-8.5

0.48-1.45

55

196.29

----

Ø2.7*42

2.7

42

3.5

10.0-11.0

0.10-1.52

55

198.5

----

Ø2.8*44

2.8

44

3.5

12.5-13.5

0.437-2.18

55

201.58

Suspension preheating kiln

Ø3.0*45

3

45

3.5

12.8-14.5

0.5-2.47

75

210.94

----

Ø3.0*48

3

48

3.5

25.6-29.3

0.6-3.48

100

237

Outside disassemble kiln

Ø3.0*60

3

60

3.5

12.3-14.1

0.3-2

100

310

----

Ø3.2*50

3.2

50

4

40.5-42

0.6-3

125

278

Outside disassemble kiln

 

Rotary Kiln Working Principle:
Rotary Kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly around its axis. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, the materials gradually move down towards the lower end, and may undergo a certain amount of stirring and mixing. Hot gases pass along the kiln sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a flame inside the kiln. Such a flame is projected from a burner-pipe (or 'firing pipe') which acts like a large burner. The fuel may be gas, oil or pulverized coal.

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Rotary Kiln Features:
1. Support device: advanced shaft structure, automatic temperature measuring device and electrical heating.
2. Catch wheel: including two kinds mechanical wheel and hydraulic pressure.
3. Gears: single or double. Control the rotating speed by variable motor, DE machine and frequency variable motor. Be reliable, energy–saving, and efficient.
4. Cylinder type bolster: lower bolster has three types: fixed, zoom and floating. The structure is simple, replacement is convenient and won't hurt cylinder.
5. Sealing equipment: there are many kinds for choice according to kiln models, including air cylinder edge sealing, spring edge sealing, and graphite block sealing and combination for above. The feather is adaptive for cylinder rotating and swing. And sealing effect is very good.
6. Kiln head hood: including stationary type and flexible type.

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