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Design of lime kiln

Published 2014/12/15 14:26:36

Design of rotary kiln shall conform to following provisions: 

1. Specification of rotary kiln shall be confirmed according to requirements for firing system and by combining raw material, fuel condition as well as configuration and factors of pre-heater, decomposing furnace and cooler. 

2. Length-diameter (L/D)of pre-heater kiln and pre-decomposition kiln shall be 11-16. 

3. Inclination of pre-heater kiln and pre-decomposition kiln shall be 3.5%-4%; maximum speed of revolution: rotating speed of pre-heater kiln is 2.0-2.5r/min; speed adjustable range shall be 1:10. 

4 Cooling of barrel in rotary kiln burning zone shall adopt air-blast cooling. 

5. Cement rotary kiln burning zone shall have detection measures of barrel temperature. 

6. Main motor of rotary kiln shall adopt infinitely variable speed motor, and accessory drive shall be adopted with reserve power supply.



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