Rotary Kiln

The rotary kiln belongs to construction equipment. According to different materials, the rotary kiln can be divided into cement kiln, metallurgy kiln and limestone kiln. It is mainly used in the metallurgical industry steel plant iron ore magnetization roasting and chromium, josephinite oxidization roasting, used to crush limestone, cement clinker, bauxite, active lime, aluminum hydroxide, chrome ore, and other materials.

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Rotary Kiln

Why FTM Rotary Kiln ?

The cement kiln is mainly used for calcining of cement clinker. There are dry and wet types. The metallurgy industry and ironworks for lean iron ore, chromium ore, and ferronickel ore calcimine. Rotary kiln is used for calcimine of high aluminum vandal ochre in the refractory material industry: calcimine of calotte and aluminum hydroxide in aluminum manufacturer, claiming of chrome sand ore and chrome powder ore in a chemical plant. The lime kiln (active lime kiln) is used for roasting the active lime which is used in steel works and ferroalloy works, and calcined dolomite.

The rotary kiln is a cylindrical body with a certain inclination, and the inclination is 3% to 3.5%. The rotation of the kiln is used to promote the mixing of the material in the rotary kiln, and the materials are mixed and contacted for the reaction. The kiln head coal combustion produces a large amount of heat, and the heat is transmitted to the material by means of flame radiation, convection of hot gas, and kiln brick. The material moves forward in the kiln depending on the inclination of the kiln cylinder and the rotation of the kiln.

Technical Data

Product
Specification
(m)
Kiln dimensions Motor
power
(kw)
Total
weight
(t)
Diameter
(m)
Length
(m)
Obliquity
(%)
Capacity
(t/d)
Rotation
speed
(r/min)
Φ2.5×40 2.5 40 3.5 180 0.44-2.44 55 149.61
Φ2.5×50 2.5 50 3 200 0.62-1.86 55 187.37
Φ2.5×54 2.5 54 3.5 280 0.48-1.45 55 196.29
Φ2.7×42 2.7 42 3.5 320 0.10-1.52 55 198.5
Φ2.8×44 2.8 44 3.5 450 0.437-2.18 55 201.58
Φ3.0×45 3 45 3.5 500 0.5-2.47 75 210.94
Φ3.0×48 3 48 3.5 700 0.6-3.48 100 237
Φ3.0×60 3 60 3.5 800 0.3-2 100 310
Φ3.2×50 3.5 50 4 1000 0.6-3 125 278
Φ3.3×52 3.3 52 3.5 1300 0.266-2.66 125 283
Φ3.5×54 3.5 54 3.5 1500 0.55-3.4 220 363
Φ3.6×70 3.6 70 3.5 1800 0.25-1.25 125 419
Φ4.0×56 4 56 4 2300 0.41-4.07 315 456
Φ4.0×60 4 60 3.5 2500 0.396-3.96 315 510
Φ4.2×60 4.2 60 4 2750 0.41-4.07 375 633
Φ4.3×60 4.3 60 3.5 3200 0.396-3.96 375 583
Φ4.5×66 4.5 66 3.5 4000 0.41-4.1 560 710.4
Φ4.7×74 4.7 74 4 4500 0.35-4 630 849
Φ4.8×74 4.8 74 4 5000 0.396-3.96 630 899
Φ5.0×74 5 74 4 6000 0.35-4 710 944
Φ5.6×87 5.6 87 4 8000 Max4.23 800 1265
Φ6.0×95 6 95 4 10000 Max5 950×2 1659

Advantages

The axial movement of the cylinder is controllable: The cylinder of the rotary kiln is made of high-quality killed steel plate, and the customer can flexibly control the axial movement of the cylinder.

Flexible speed: The transmission rotates the cylinder at a required rotational speed through a ring gear provided in the middle of the cylinder.

Easy installation and maintenance: The larger rotary kiln is equipped with an auxiliary transmission that rotates the cylinder at a very low speed to meet installation and maintenance needs.

Good sealing performance: In order to prevent cold air from entering and flue gas dust from overflowing the cylinder, reliable kiln tail and kiln head sealing devices are provided at the feeding end and the discharging end of the cylinder.

Service & History

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