High-temperature rotary drum lime and cement kilns

High-temperature rotary drum lime and cement kilns are of similar configuration to rotary drum furnaces and dryers discussed in section 4.2, except that they are of higher temperature construction and longer. This is a very specialized field. (See Perry The Rotary Cement Kiln, reference 64.) A shaft-type lime kiln is shown in figure 1.11. 

Thickness of heating stock does not limit heating capacity as much in continuous furnaces as it does in top-fired batch furnaces because heat can be imparted to the load from below. The limiting thickness depends on the thermal conductivity of the load and required temperature uniformity. 

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See also in sourсe #XX -- [ ]

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