• Cement Rotary Kiln
  • Cement Rotary Kiln
  • Cement Rotary Kiln

Cement Rotary Kiln

Product Usage :
The rotary kiln is the central equipment for cement clinkering system in the new large dry processing cement production

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description

Cement Rotary Kiln

1.    Application and Operating Principle

The rotary kiln is the central equipment for cement clinkering system in the new large dry processing cement production, which can be used with uni-stream or twin-stream pre-heater, calcining combustor. 90%~ 95% of the raw material which has been pre-calcined has been fed into the slow rotating and inclining installed rotary kiln from the rear. Under the composite effect of circumferential tilting and axial movement, the material slowly flows through the whole drum, the fuel (coal dust, oil or natural gas) sprays from kiln head into high temperature zone for burning, which produces the required heat for physical and chemical reaction of combination and crystallization of material inside the kiln. Under the function of rear blower, the burning gas steam and material counter flow the whole kiln, completing heat exchange and physical or/and chemical reaction. The clinkered cement is discharged to the cooler.

 

2.    Characteristics:

Ÿ   1) The shell is made of the high quality kilned carbon steel and alloy steel, by the method of automatic welding;

Ÿ   2) The tyre and roller are made of ZG35CrMo steel and 42CrMo steel;

Ÿ  3)  The sliding bearing is the non-scraping liner one with large clearance;

Ÿ   4) The driving device is equipped with the reducer with hard tooth surface and flexible diaphragm coupling, and driven by DC motor;

Ÿ   5) Hydraulic thrust roller is used.
   6) Ÿ   Low-speed driving device is equipped.

    Technical Performance Parameters of Cement Rotary Kiln

No.

Specification

Basic Parameters

Main Motor

Thrust Type

Support Type

Weight

Remarks

Speed Rate

Inclination

Capacity

Power

m

r/min

%

T/d

kw

t

1

Φ3.2×50

0.674—3.37

3.5

1000

160

Hydraulic Type

Sliding Type

252.4

 

2

Φ3.5×52.5

0.6—3.6

3.5

1500

180

366.5

 

3

Φ4×56

0.3—3.5

3.5

2000

250

489

 

4

Φ4×60

0.396—3.96

3.5

2500

315

523

 

5

Φ4.3×64

0.4—3.96

3.5

3200

420

606.69

Excluding seals of kiln head and kiln rear

6

Φ4.8×72

0.39—3.69

3.5

5000

630

853.3

Excluding kiln head cover

7

Φ4.8×74

0.35—4

4

5000

630

864

8

Φ5.2×61

0.38—3.79

3.5

5500

800

859

 

9

Φ5×80

max 3.5

4

6000

800

 

 

10

Φ5.6×87

max 4.23

4

8000

800

1201

Cooperating with Burleigh Hughes

11

Φ6×90

max 3.5

4

10000

845×2

 

12

Φ6×95

max 5

4

10000

950×2

 

Cooperating with Smith