Jiangsu Zhongbo Heavy Machinery Co., ltd

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Active Lime Kiln

The structure is advanced, and the vertical preheater of low pressure loss can effectively improve the preheating effect. After the preheated limestone, the decomposer rate can be up to 20-25%, and can be used directly with 10-15mm fine-grain limestone.
Combined type flake seal at both ends of rotary kiln in Active Lime kiln...

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Product Details

Active Lime kiln Introduction:

Active Lime kiln is a kiln used for the calcination of limestone (calcium carbonate) to produce the form of lime called quicklime ( calcium oxide). The chemical equation for this reaction is CaCO3 + heat → CaO + CO2 This reaction takes place at 900 °C (1650 °F; at which temperature the partial pressure of CO2 is 1 atmosphere), but a temperature around 1000 °C (1800 °F; at which temperature the partial pressure of CO2 is 3.8 atmospheres) is usually used to make the reaction proceed quickly. Excessive temperature is avoided because it produces unreactive, "dead-burned" lime.

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Technical Parameters:

Capacity (t/d)

150

200

250

300

350

400

500

600

750

800

1000


Material

Activated lime light burning dolomite

Activated lime light burning dolomite

Activated lime light burning dolomite

Activated lime light burning dolomite

active lime

active lime

active lime

active lime

active lime

active lime

active lime


Lime Kiln

Model(m)

Φ 2.5×40

Φ 2.8×42

Φ 3×46

Φ 3.2×50

Φ 3.5×54

Φ 3.6×5

Φ 3.8×58

Φ 4×60/ Φ4.2×50

Φ 4.3×58

Φ 4.3×64

Φ 4.8×68

available capacity(m3)

142

190

235

292

390

430

505

575/ 548

670

738

1005


burning temperature

1350/ 1250

1350/ 1250

1350/ 1250

1350/ 1250

1350

1350

1350

1350

1350

1350

1350



Features:

The structure of Active Lime kiln is advanced, and the vertical preheater of low pressure loss can effectively improve the preheating effect. After the preheated limestone, the decomposer rate can be up to 20-25%, and can be used directly with 10-15mm fine-grain limestone.

image005.jpg


Combined type flake seal at both ends of rotary kiln so that the air leakage coefficient is less than 10% to use composite refractories to reduce radiation heat loss a circular or square vertical cooler which is filled with Active Lime kiln and can be ventilated in a district, so that the lime temperature of the outlet cooler is 800°C ambient temperature, which is convenient for transportation and storage, and can preheat the secondary air into the kiln to more than 700°C, Reduced movement parts and special materials.


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