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Cement Rotary Kiln

The cement rotary kiln is the heart of both dry and wet process cement production lines. It is typically made up of the shell, supporting device, roller supporter, drive gear, coal-injection duct, flexible kiln head, and kiln tail sealing mechanism.

Our cement kiln with sturdy structure runs smoothly and produces high quality cement clinker. It can be equipped with shaft preheater or five-stage cyclone preheater for option. With convenient and reliable operation, the machine offers stable thermal efficiency, and improved equipment operation rate. Comparing with its counterparts with the same specifications, the machine increases its operation rate by 10% and production capacity by 5%-10%, and reduces heat consumption by 15%.

Applications
Primarily used for clay, limestone, and slag calcining for cement clinker making, the cement rotary kiln can also be used for sintering and calcining of mineral ores, ore concentrates, and intermediates. So, it can also be found in chemical industry, as well as metallurgy industry for producing ferrous and nonferrous metals such as iron, aluminum, copper, zinc, tin, nickel, tungsten, chromium, and more.

For instance, during aluminum production, the machine can be used to manufacture aluminium oxide from aluminium hydroxide. During iron smelting, it can be used to manufacture the pellets required for blast furnace iron making. In mineral processing, it can be used for lean iron ore magnetizing roasting, so as to increasing the magnetism of mining ores to facilitate magnetic separation. In chemical industry, the machine can be used for manufacture of soda, phosphatic fertilizer, and barium sulfide.

With low energy consumption, the cement rotary kiln can also be used in environmental protection industry to burn common wastes and hazardous wastes. As an ideal solution for harmless treatment of wastes, the machine can use wastes as the fuel to save coal consumption to realize waste recycling.

Technical Data of Dry Process Rotary Kiln
Kiln Specifications (m) Φ3×48 Φ3.2×50 Φ3.3×50 Φ3.5×54 Φ4×60 Φ4.3×64 Φ4.8×74
Production Capacity (ton/day) 600-700 1000 1200 1500-1800 2500 3500 5000
Slope of the kiln shell (%) 3.5 3.5 4 4 4 4 4
No. of supports 3 3 3 3 3 3 3
Type of thrust roller Mechanical or Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Rotating speed of kiln Main driving unit (r/min) 0.676-3.38 0.36-3.57 0.36-3.57 0.39-3.9 0.41-4.07 0.4-4.0 0.35-4
Auxiliary driving unit (r/h) 9.36 6.5 5.61 7.66 8.2 7.93 8.52
Main driving unit Motor Model Z2-101 ZSN4-280
-091B
ZSN4-280
-091B
ZSN4-315
-092
ZSN4-355
-092
ZSN4-355
-12
ZSN4-400
-092
Rated power (Kw) 100 160 160 220 315 400 630
Speed range (r/min) ~1500 1500 1500 1000 1000 100-1000 1500
Rated voltage (V) 220 440 440 440 440 440 660
Reducer Model ZS145-1-I ZSY-450
-40-V
ZSY450
-40
NZS995
-28VIBL
YNS1110
-22.4VBR
YNS1400
-31.5VIBL
JH710C
-SW305-40
Total speed ratio 50 40 40 28 22.4 31.5 42.226
Auxiliary driving Motor Model Y160M-6 Y160M-4B Y160M-4 Y200L1-6 Y180L-4 Y200L-4 Y250M-4
Rated power (Kw) 7.5 15 11 18.5 22 30 55
Speed range (r/min) 970 1460 1460 970 1470 1470 1480
Rated voltage (V) 380 380 380 380 380 380 380
Reducer Model ZL35-7-I ZSY160
-31.5-II
ZSY355
-31.5
ZSY355 YNS440
-45IIR
YNS497
-45ZC
JH220C
-SW302-28
Total speed ratio 14 31.5 31.5 45 45 45 28
Total weight (excluding refractory brick) (ton) 207 256.5 281 341 434 550.5 854
Weight of lower end kiln hood (ton) 22 25 27 28 35 36 45

Related Names
Cement Manufacturing Kiln | Calcination Kiln | Drum Dryer

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