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Introduction to the Process Principle of Lime Rotary Kiln

Published 2020/12/25 16:11:20

Lime rotary kiln is also called drum rotary kiln, with advanced structure and reliable combined scale seal at both ends of the rotary kiln. Use composite refractory materials to make the air leakage coefficient less than 10% to reduce radiant heat loss.


Brief introduction of lime rotary kiln technology


Rotary kiln is used to roast limestone and dolomite to produce active lime and light-burned dolomite and other secondary raw materials. The main process flow includes the following systems, namely raw material storage and transportation water washing system $, rotary kiln system (3), finished product storage Transport treatment system, public system and water treatment system.


The lime rotary kiln has an advanced structure, and the vertical preheater with low pressure loss can effectively improve the preheating effect. The decomposition rate of limestone after preheating into the kiln can reach 20-25%, and 10-15mm fine-grained limestone can be directly used.


The lime rotary kiln is reliable with combined scale seal at both ends of the rotary kiln. Use composite refractory materials to make the air leakage coefficient less than 10% to reduce radiant heat loss;


Lime rotary kiln filled, circular or square vertical cooler with partition ventilation, the lime temperature out of the cooler is 800C + ambient temperature, which is convenient for transportation and storage, and the secondary air entering the kiln can be preheated to over 700°C , Reduce moving parts and special materials.


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