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Active Lime Kiln

Feeding Granularity:Φ2.5×40m-Φ4.8×68m

Production Capacity:150-1000t/d

Application Range:The main equipment of calcining active lime

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The Inner Structure and Advantages of Active Lime Kiln:

Active lime kiln is a type of rotary kiln and it is the main equipment used for calcining active lime. This equipment is mainly composed of the cylinder, supporting device, supporting device with catch wheel, transmission device, lubrication device, mobile kiln head and sealing device at the end of the kiln. Active lime kiln has the advantages of simple structure, reliable operation and easy control of the production process.

lime_kiln

The Performance Characteristics of Lime Kiln:

Active lime kiln has advanced structure. The vertical pre-heat with low-pressure loss can effectively improve the pre-heating effect, and the in-kiln decomposition rate of the pre-heated limestone can reach 20-25% and the 10-15mm fine particle limestone materials can be directly used.

Lime Kiln

Active lime kiln has advanced structure. The vertical pre-heat with low-pressure loss can effectively improve the pre-heating effect, and the in-kiln decomposition rate of the pre-heated limestone can reach 20-25% and the 10-15mm fine particle limestone materials can be directly used.

This active lime kiln adopts combined type scale sealing, so that the air leakage factor is smaller than 10%. Compound type refractory matter is adopted to reduce the radiant heat loss. The infilling type circular or square vertical cooler that can be divisionally ventilated can cool the temperature of the lime that is discharged from the cooler to 80℃+ of the environment temperature for the convenience of transportation and storage, and it can also pre-heat the in-kiln secondary air to over 700℃ to make full use of the waste heat and save energy.

Technical data

Design capacity (t/d) 150 200 250 300 350 400
Product Active  lime Calcined dolomite Active lime Calcined dolomite Active lime Calcined dolomite Active lime Calcined dolomite Active lime Calcined dolomite Active lime Calcined dolomite
Preheater round vertical pre- heater or polygonal vertical pre- heater round vertical pre- heater or polygonal vertical pre- heater round vertical pre- heater or polygonal vertical pre- heater round vertical pre- heater or polygonal vertical pre- heater round vertical pre-heater or polygonal vertical pre-heater round vertical pre-heater or polygonal vertical pre-heater
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 (°C) 1350/ 1250 1350/ 1250 1350/ 1250 1350/ 1250 1350 1350
Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler
Fuel Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder
Heat rate (
KJ/KgC3O
)
5300/ 5000 5300/ 5000 5300/ 5000 5300/ 5000 5225 5225

 

Design capacity (t/d) 500 600 750 800 1000
Product Active lime Calcined dolomite Active lime Calcined dolomite

Active  lime Calcined dolomite

Active lime Calcined dolomite Active  lime Calcined dolomite
Preheater round vertical pre-heater or
polygonal vertical pre-heater
round vertical pre-heater or polygonal vertical pre-heater Vertical Polygon preheaterater Vertical Polygon preheater Vertical Polygon preheater
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 (°C) 1350 1350 1350 1350 1350
Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler Vertical Square Cooler
Fuel Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder Coal gas Coal powder
Heat rate (
KJ/KgC3O
)
5100 5100 4810 4810 4810

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