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Rotary Kiln


Supply Ability: 8 Set/Sets per Month

Production capacity: 168-10000t/h

Type: Building Materials Equipment

Feature: Save pulverized coal, Harmless, Fuel use

Introduction

Rotary kiln, as an important industrial machine, plays important role in various fields. In building materials industry, rotary kiln can be used to calcinate cement clinker as well as clay, limestone and slag dryer; in the production of refractory materials, using rotary kiln to calcinate raw materials could make its dimension stable and strengthen its intensity, and then processing-shaping. In beneficiation process, using rotary kiln to magnetizing roast the poor iron can make the original weak magnetic change into strong magnetic, which facilitates magnetic separation. In chemical industry, rotary kiln can be used to produce soda, calcinate phosphate and barium sulfide.

Rotary Kiln

According to the different materials, the kiln can be divided into cement kiln, metallurgy chemical kiln and lime kiln. The cement kiln is mainly used for the calcinations of cement clinker, and it has two types of dry and wet methods. Cement rotary kiln belongs to the building material equipment. Cement rotary kiln is of solid structure, stable operation, and high quality output product.

Rotary Kiln

Perhaps one of the most common uses for this technology is the creation of a rotary cement kiln, which grinds limestone, clay, and shale down to small bits of rock and transforms them into a usable cement mixture that is ready to be either packaged or immediately used. During this process, the materials are exposed to varying temperatures that will evaporate any water present and transform the limestone and clay back to their original oxide states. As the internal heat increases up to 2642 degrees F (1450 degrees C), the rocks that were transformed into belite and calcium oxide melt together to form the composition alite. Due to the extreme heat associated with this process, the resulting lumps of alite are no larger than 0.39 inches (10 mm) across and are easily handled once the cooling process is completed.

Parameter

Product 
Specification
(m)
Kiln dimensions Motor 
power
(kw)
Total 
weight
(t)
note
Diameter
(m)
Length
(m)
Obliquity
(%)
Capacity
(t/d)
Rotation 
speed
(r/min)
Φ3.2×50 2.5 40 3.5 180 0.44-2.44 55 149.61 Kiln with 
shaft cyclone
 preheater
Φ3.0×60 2.5 50 3 200 0.62-1.86 55 187.37 ------
Φ3.0×48 2.5 54 3.5 204 0.48-1.45 55 196.29 ------
Φ3.0×45 2.7 42 3.5 320 0.10-1.52 55 198.5 ------
Φ2.8×44 2.8 44 3.5 400 0.437-2.18 55 201.58 Outside 
disassemble 
kiln
Φ2.7×42 3 45 3.5 500 0.5-2.47 75 210.94 ------
Φ2.5×54 3 48 3.5 700 0.6-3.48 100 237 Outside 
disassemble
 kiln
Φ2.5×50 3 60 3.5 300 0.3-2 100 310 Alumyte-
alumina 
forge kiln
Φ2.5×40 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 0.41-4.07 375 633 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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