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Active Lime Rotary Kiln

Active Lime Rotary Kiln

Feeding Granularity: Φ2.5×40m-Φ4.8×68m

Production Capacity: 150-1000t/d

Application Range: The main equipment of calcining active lime

  • Limestone
  • Cement Clinker
  • Cement

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Features:

1. Advanced structure, low loss vertical pre heater can effectively improve the preheating effect. The preheated limestone kiln decomposition rate can reach 20-25%, which can directly use the 10-15mm fine grained limestone.

Active Lime Rotary Kiln Details

2. Reliable combined scale sealing of rotary kiln ends. The air leakage coefficient is less than 10%. It uses the composite refractory materials to reduce radiation loss.

Active Lime Rotary Kiln Details

3. The filling type circular or square vertical cooler, the cooler lime temperature is 800C+ ambient temperature, which is convenient for transportation and storage, which can preheat the air above 700 degrees, so as to reduce the moving parts and special materials.

Active Lime Rotary Kiln

Working Principle:

The qualified limestone stores in silos and be shipped through the pre-heater by the elevator into the silos which is on the top of the pre-heater. The pre-heater on the top of silos is consisted of top and bottom level meter controllers which control the feeding capacity. Then through the feed tube the limestone is distributed to the indoor compartment of the pre-heater. The limestone in the pre-heater is heated to around 900 ° C by the kiln flue gas of 1150 ° C. At this time, about 30% of the limestone has been decomposition. Then the limestone is put into the rotary kiln by the hydraulic stem. In the rotary kiln the limestone sinters and decomposes into CaO and CO2. Then the decomposed limestone goes into the cooler and is cooled to about 100 ° C by the cold air and then is discharged. The 600 ° C hot air after heat exchange goes into the kiln and combusts with gas. The Exhaust gas blended with the cold wind go to the bag filter through the suction fan and then through the exhaust fan into the chimney. The limestone out of the cooler enters into the lime storehouse through the vibrating feeder, chain bucket conveyor, bucket elevator and belt conveyor. Whether to carry out screening and other procedures depends on customer requirements.

Active Lime Rotary Kiln

Hongxing Machinery is a professional active lime rotary kiln manufacturer in China, which can produce large lime kiln and mini lime kiln. If you are interested, please contact our online customer service or leave us a message. We are looking for forward to your enquiry!

Active Lime Rotary Kiln Technical Data

Design
capacity
(t/d)
150 200 250 300 350 400 500 600 750 800 1000
Product Active
 lime
Calcined
dolomite
Active
lime
Calcined
dolomite
Active
lime
Calcined
dolomite
Active
lime
Calcined
dolomite
Active
lime
Calcined
dolomite
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
round
vertical
pre-
heater
or
polygonal
vertical
pre-
heater
round
vertical
pre-
heater
or
polygonal
vertical
pre-
heater
Vertical
Polygon
preheater
Vertical
Polygon
preheater
Vertical
Polygon
preheater
Rotary
kiln
Specification
(m)
Φ2.5
× 40
Φ2.8
× 42
Φ3
× 46
Φ3.2
× 50
Φ3.5
× 54
Φ3.6
× 56
Φ3.8
× 58
Φ4×60
Φ4.2×50
Φ4.3
× 58
Φ4.3
× 64
Φ4.8
× 68
Effective
volume
(m³)
142 190 235 292 390 430 505 575/548 670 738 1005
Burning
temperature
(°C)
1350/
1250
1350/
1250
1350/
1250
1350/
1250
1350 1350 1350 1350 1350 1350 1350
Cooler Vertical
Square
Cooler
Vertical
Square
Cooler
Vertical
Square
Cooler
Vertical
Square
Cooler
Vertical
Square
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
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 5100 5100 4810 4810 4810

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