Limonite calcining kiln_Zhengzhou Hengxing Heavy Equipment Co.,Ltd

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Limonite calcining kiln

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limonite calcining kiln

Rotary kiln is a kind of thermal equipment,heating materials. It is widely applied in the fields of cement buildingmaterials, nonferrous metallurgy, ferrous metallurgy, refractorymaterial,chemical materials and paper making.

Features of limonite Rotary kiln

1.Support device: advanced shaft structure,automatic temperature measuring device and electrical heating,.

2.Catch wheel: including two kindsmechanical wheel and hydraulic pressure

3.Gears: single or double. Control the rotatingspeed by buncher, DE machine and frequency variable motor. Be reliable,energy-saving, and efficient.

4.Cylinder type bolster: lower bolster hasthree types: fixed, zoom and floating. The structure is simple, replacement isconvenient and won’t hurt cylinder.

5.Sealing equipment: there are many kindsfor choice according to kiln models, including air cylinder edge sealing,spring edge sealing, and graphite block sealing and combination for above.

6.kiln head hood: including stationary typeand flexible type.

Application of limonite rotary kiln

1.Rotary kiln is the key equipment incement industry for calcining clinker.

2.It is also used in various industries,such as metallurgy, chemistry, building, refractory material, environmentalprotection, etc.

3.The kiln is composed of the cylindricalshell, roller supporting device with thrust roller, driving gear unit movablekiln hood, sealing device at kiln inlet, coal dust pipe device etc.

Work principle of limonite rotary kiln

1) Preprocessing step: granulate materialNickel Laterite ore, mix with carbon materials and flux limestone, then intorotary kiln.

2) In the rotary kiln, hot gas generated byburning of material and coal Countercurrent moving, through all the smeltingstep,drying, dehydration, reduction and metal growth. Metal is generated undera kiln semi-molten condition.

3) Sintering material frit is crushed,grinded, use gravity separation and magnetic separation machine separate nickeliron alloy out. (ferronickel’ diameter 2~3mm, with 1~2% cinder, chemical composition is C0.1%,Ni18~22%, S0.45%, P0.015%)

4) This product is ideal for steelmakingprocess, and it has superior desulfurization capability.. The sand grains inthe steel-making process is conducive to the continuous feeding and rapiddissolution of material as coolant.

Our company ‘s production oflimonite rotary kiln calcining equipment with advanced structure, low loss ofvertical preheater can effectively improve the preheating effect; the devicehas reliable rotary kiln combined scale sealing ends. The air leakagecoefficient is less than 10% using composite refractory material, to reduceradiation loss; filling type, partition ventilation circular or rectangularvertical cooler, less moving parts and special materials used in rotary kiln.


Specifications
(mm)

Kiln dimensions

Output(t/h)

Rotation speed (r/min)

Motor power(kw)

Weight(t)

Note

Diameter
(mm)

Length
(mm)

Obliquity
(%)

 

 

 

 

 

1.4*33

1.4

33

3

0.9-1.3

0.39-3.96

18.5

47.5

----

1.6*36

1.6

36

4

1.2-1.9

0.26-2.63

22

52

----

1.8*45

1.8

45

4

1.9-2.4

0.16-1.62

30

78.2

----

1.9*39

1.9

39

4

1.65-3

0.29-2.93

30

77.59

----

2.0*40

2

40

3

2.5-4

0.23-2.26

37

119.1

----

2.2*45

2.2

45

3.5

3.4-5.4

0.21-2.44

45

128.3

----

2.4*40

2.4

40

3.5

6.2-6.8

0.39-2.44

55

136.5

----

2.5*40

2.5

40

3.5

9.0-10.5

0.44-2.44

55

149.61

----

2.5*50

2.5

50

3

6.25-7.4

0.62-1.86

55

187.37

----

2.5*54

2.5

54

3.5

6.9-8.5

0.48-1.45

55

196.29

----

2.7*42

2.7

42

3.5

10.0-11.0

0.10-1.52

55

198.5

----

2.8*44

2.8

44

3.5

12.5-13.5

0.437-2.18

55

201.58

Suspension preheating kiln

3.0*45

3

45

3.5

12.8-14.5

0.5-2.47

75

210.94

----

3.0*48

3

48

3.5

25.6-29.3

0.6-3.48

100

237

Outside disassemble kiln

3.0*60

3

60

3.5

12.3-14.1

0.3-2

100

310

----

3.2*50

3.2

50

4

40.5-42

0.6-3

125

278

Outside disassemble kiln

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