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lime rotary kiln

lime rotary kiln

Raw materials: Lime
Capacity (t/d): 150-400
effective: 142-430

Introduction

Production description:

Lime rotary kiln are used for produce active lime and light burned dolomite used in steel roasting plants and ferroalloy Factory.
Lime kiln main subsidiary equipment are feeding mechanism, distributing device, wind supply device, burning device, ash discharging device, etc. Relatively speaking, co-firing lime kiln material distributing is very critical because it feed the fuel and limestones into kiln simultaneously, and must achieve burden are reasonable distribution in the kiln, eliminate the furnace wall effect, balanced resistance in furnace, to achieve whole furnace section of "lit" uniform. Therefore, the form and effect of distributor has a great influence on the productivity of lime kiln.



Features:

1. Advanced structure, low pressure loss of vertical preheater can effectively improve the preheating effect, after preheated limestone enter into kiln, the decomposition rate can achieve up to 20-25%, and can use 10-15mm fine grade limestone directly..
2. Rotary kiln each ends are modular sealing. So that air leakage coefficient less than 10%, using composite refractory to reduce radiant heat loss.
3. Filling, Can partition ventilation round or square upright cooler, make sure the lime outlet from cooler temperature 800C+environment, easy to transport, store, and the secondary air into the furnace preheated to 7000C or more, reducing the moving parts and special materials.

Parameter

Capacity
(t/d)
150 200 250 300 350 400
Product active lime light calcine dolomite active lime light calcine dolomite active lime light calcine dolomite active lime light calcine dolomite active lime active lime
Rotary kiln Specification (m) Φ2.5×40 Φ2.8×42 Φ3×46 Φ3.2×50 Φ3.5×54 Φ3.6×56
effective volume(m3) 142 190 235 292 390 430
burning temperature 1350/1250 1350/1250 1350/1250 1350/1250 1350 1350
Capacity(t/d) 500 600 750 800 1000  
Product active lime active lime active lime active lime active lime  
Rotary kiln Specification
(m)
Φ3.8×58 Φ4×60/ Φ4.2×50 Φ4.3×58 Φ4.3×64 Φ4.8×68  
effective volume(m3) 505 575/548 670 738 1005  
burning temperature 1350 1350 1350 1350 1350  

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