Rotary Kiln

Rotary Kiln
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The rotary kiln is a core piece of thermal processing equipment used for calcining cement clinker, phosphorus materials, and ceramic materials. It is also widely applied in chemical processing, metallurgy, and related industrial fields. Depending on process requirements, the system can be configured for dry production or wet production.

Our rotary kiln systems integrate multiple process optimizations and technological upgrades. High-precision metering plunger pumps and speed-regulating valves are used to ensure accurate material dosing and stable operation. Advanced graphite block sealing devices are applied to improve sealing performance and operational reliability.

To enhance automation and process visibility, the kiln head is equipped with an industrial TV system for real-time flame monitoring. The entire process flow is displayed through simulated process graphics, while an infrared scanner continuously monitors the calcination zone and transmits temperature conditions directly to the control system. These technologies make operation more intuitive, easier to manage, and more stable in long-term production.

Through system optimization and improved thermal control, the rotary kiln achieves stable heat efficiency and higher equipment utilization. Compared with conventional kiln of the same specification, operating availability is increased by approximately 3 to 5%, output capacity is improved by 5 to 10%, and overall heat consumption is reduced by around 15%.

Main Technical Parameters
Specification (m) Φ2.8/2.5×44 Φ3×48 Φ3.2×50 Φ3.3×50 Φ3.5×54 Φ4×60 Φ4.3×64
Capacity (ton/day) 300 600-700 1000 1200 1500-1800 2500 3500
Slope of Shell (%) 3.5 3.5 3.5 4 4 4 4
No. of Supporters 3 3 3 3 3 3 3
Type of Thrust Roller Mechanical Mechanical & Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Rotating Speed of Kiln Main Drive (r/min) 0.445-2.22 0.676-3.38 0.39-3.57 0.36-3.57 0.39-3.9 0.41-4.07 0.4-4.0
Auxiliary drive (r/min) 55 100 160 160 220 315 400
Main Drive Motor Model ~1000 1500 1500 1500 1000 1000 100-1000
Rated Power (kW) 440 220 440 440 440 440 440
Speed Regulation Range (r/min) ZS145-1-1 ZS145-1-1 ZSY-450-40-V ZSY450-40 NZS995-28VIBL YNS1110-22.4VBR YNS1400-31.5VIBL
Rated Voltage (V) 55 100 160 160 220 315 400
Reducer Type ZS145-1-1 ZS145-1-1 ZSY-450-40-V ZSY450-40 NZS995-28VIBL YNS1110-22.4VBR YNS1400-31.5VIBL
Total Ratio 49-63 50 40 40 28 22.4 31.5
42.226 Auxiliary Drive Motor Model Y122M-4 Y160M-6 Y160M-4B Y160M-4 Y200L1-6 Y180L-4 Y200L-4
Rated Power (kW) 4 7.5 15 11 18.5 22 30
Speed Regulation Range (r/min) 1440 970 1460 1460 970 1470 1470
Rated Voltage (V) 380 380 380 380 380 380 380
Reducer Type ZL35-16 ZL35-7-1 ZSY160-31.5-II ZSY355-31.5 ZSY355 YNS440-45IIR YNS497-45ZC
Total Ratio 40.44 14 31.5 31.5 45 45 45
Weight 177 207 256.5 281 341 434 550.5
Cover Weight 20 22 25 27 28 35 36
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