A rotary kiln is a device that supplies tremendous amounts of heat in order to change the chemical composition of an object. It is made up of a strong reinforced steel outer shell that is coated with a heat-resistant inner lining, support rollers and a drive gear to keep the contents in a continuous rotating motion and internal heat exchangers capable of producing temperatures well over 2732 degrees Fahrenheit (1500 degrees Celsius).
Rotary kilns are used to heat solids to the point where a required chemical reaction(s) takes place. The rotary kiln is basically a rotating inclined cylinder. Solids retention time in the kiln is an important design factor and is set by proper selection of the diameter, length, speed, slope and internals design. There are two basic types of rotary kilns; direct fired and indirect fired.
The rotary kiln heated chamber is a long horizontal tube that is rotated with one end slightly elevated. The bulk material is continuously fed into the elevated end of the tube and cascades down the length of the tube by the tube's continuous rotation. The bulk material exits the tube at the other end and falls into a collection hopper. Depending on the required operating temperature of the rotary kiln, the tube material will either be a high temperature metal alloy or ceramic composition.
|Product specifications(m)||Kiln dimensions||Capacity(t/d)||Rotation speed(r/min)||Motor power(kw)||Total weight(t)||Note|
|Φ2.5×40||2.5||40||3.5||180||0.44-2.44||55||149.61||Kiln with shaft cyclone preheater|
|Φ2.8×44||2.8||44||3.5||400||0.437-2.18||55||201.58||Outside disassemble kiln|
|Φ3.0×48||3||48||3.5||700||0.6-3.48||100||237||Outside disassemble kiln|
|Φ3.0×60||3||60||3.5||300||0.3-2||100||310||Alumyte-alumina forge kiln|
|Φ3.2×50||3.2||50||4||1000||0.6-3||125||278||Outside disassemble kiln|
|Φ3.3×52||3.3||52||3.5||1300||0.266-2.66||125||283||Kiln with preheater precalcine|
|Φ3.5×54||3.5||54||3.5||1500||0.55-3.4||220||363||Kiln with preheater precalcine|
|Φ3.6×70||3.6||70||3.5||1800||0.25-1.25||125||419||Generating kiln for using ofterheat|
|Φ4.0×56||4||56||4||2300||0.41-4.07||315||456||Kiln with preheater precalcine|
|Φ4.0×60||4||60||3.5||2500||0.396-3.96||315||510||Kiln with preheater precalcine|
|Φ4.2×60||4.2||60||4||2750||0.4-3.98||375||633||Kiln with preheater precalcine|
|Φ4.3×60||4.3||60||3.5||3200||0.396-3.96||375||583||Kiln with preheater precalcine|
|Φ4.5×66||4.5||66||3.5||4000||0.41-4.1||560||710.4||Kiln with preheater precalcine|
|Φ4.7×74||4.7||74||4||4500||0.35-4||630||849||Kiln with preheater precalcine|
|Φ4.8×74||4.8||74||4||5000||0.396-3.96||630||899||Kiln with preheater precalcine|
|Φ5.0×74||5||74||4||6000||0.35-4||710||944||Kiln with preheater precalcine|
|Φ5.6×87||5.6||87||4||8000||Max4.23||800||1265||Kiln with preheater precalcine|
|Φ6.0×95||6||95||4||10000||Max5||950×2||1659||Kiln with preheater precalcine|
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