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Rotary Kiln
Processing ability:
300-1800 t/d
Brief introduction:
Rotary kiln belongs to building material equipment, which can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to different materials.
Applied material:
Application:
Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:Cement, Lime, Refractories,Metakaolin, Titanium dioxide, Alumina, Vermiculite, Iron ore pellets
They are also used for roasting a wide variety of sulfide ores prior to metal extraction
Features
1.High Automation Level
The lime rotary kiln is with advanced structure. Its pre-heater with low-pressure loss can improve preheating effect efficiently. After preheating, the resolution ratio of the lime-stones can reach 20~25% when they enter the kiln. Besides, the lime-stones, with fine fraction about 10~15mm, can be used directly.
2.Waste Heat be Reused Effectively
The two sides of the reliable rotary kiln are sealed by the combined scales, which can make the air leakage coefficient less than 10%. Composite refractory materials should be used in order to reduce the loss of radiant heat.
3.Low Energy Consumption
The filling vertical cooler, round or square, can be zoned-ventilation, which can make the temperature of lime-stones in the cooler at about 80 degress Celsius. As a result, it is very convenient to transport and store. It can also pre-heater the secondary air up to the temperature above 700 degress Celsius, then the waste heat can be recycled to reduce energy consumption.
Technical data
| Specification | Φ2.8/2.5X44 | Φ3.2X52 | Φ3X48 | Φ3.2X50 | Φ3.2X50 | Φ3.3X50 | Φ3.5X54 | ||
| Capacity (t/h) | 300 | 600 | 700 | 1000 | 1200 | 1200 | 1500-1800 | ||
| Gradient (%) | 3.5 | 3.5 | 3.5 | 3.5 | 4 | 4 | 4 | ||
| Support Number (pc) | 3 | ||||||||
| Round form of block | Mechanism | Mechanism or hydraulic | hydraulic | ||||||
| Tube Speed | Total ratio of speed (r/min) | 0.445-2.22 | 0.676-3.38 | 0.676-3.38 | 0.36-3.57 | 0.4-4.07 | 0.36-3.57 | 0.39-3.9 | |
| Assistance of drive (r/h) | 4.75 | 9.36 | 9.36 | 6.5 | 6.5 | 5.61 | 7.66 | ||
| Main drive | Motor | Model | ZSN4-225-21 | Z2-101 | ZSN4-280-091B | ZSN4-280-11B | ZSN4-315-092 | ||
| Rating power (Kw) | 55 | 100 | 160 | 160 | 160 | 190 | 220 | ||
| Speed rang (r/min) | -1500 | ||||||||
| Reducer | Rating voltage (v) | 440 | |||||||
| Model | ZS145-1-l | ZS145-1-l | ZS145-1-l | ZSY450-40-v | ZSY450-40-v | ZSY450-40-v | NZS995-28VIBL | ||
| Total ratio of speed | 49.63 | 49.63 | 40 | 40 | 40 | 40 | 28 | ||
| Tachogenerator | Rating power (Kw) | 22 | |||||||
| Speed rang (r/min) | 0-2000 | ||||||||
| Maximum voltage (v) | 110 | ||||||||
| Assistant drive | Motor | Model | Y122M-4 | Y160M-6 | Y160M-4B | Y200L1-6 | |||
| Rating power (Kw) | 4 | 7.5 | 15 | 11 | 11 | 15 | 18.5 | ||
| Speed rang (r/min) | 1440 | 970 | 1460 | 1460 | 1460 | 1460 | 970 | ||
| Rating voltage (v) | 380 | ||||||||
| Reducer | Model | ZL35-16 | ZL35-7-l | ZL35-7-l | ZSY160-31.5 | ZSY160-31.5 | ZSY160-31.5 | ZSY355 | |
| Total ratio of speed | 40.44 | 14 | 31.5 | 31.5 | 31.5 | 31.5 | 45 | ||
| Total weight (Not including fire brick) (t) | 177 | 213 | 213 | 280.6 | 280.6 | 317 | 341 | ||