420 



CEMENTS, LIMES, AND PLASTERS, 



Actual Equipment of Wet-process Plants. 



Plant No. 1. Uses a hard limestone and a clay in a wet process. 

 Limestone Clay 



2 crushers 



4 ball mills 

 4 wet paddle mills 

 4 wet tube mills 

 10 kilns 



Plant No. 2. Uses a fairly hard limestone and a shale in a wet process. 



Limestone Shale 



1 Gates crusher to 3J inches 2 Williams mills 



3 small Gates crushers to \ inch 



3 rotary driers 

 21 Griffin mills to 90% through 100-mesh 



3 pug-mills 

 15 slurry tanks 

 21 kilns 



Plant No. 3. Marl and clay. 

 Marl 



Clay 



1 rotary drier 

 1 dry-pan 



1 pug-mill, 40% water 



2 Bonnot tube mills 



3 kilns, 60 feet 



Plant No. 4. Marl and clay. 



Marl 

 1 stone separator 



Clay 

 1 dry-pan 



2 pug-mills 



4 Bonnot tube mills 



5 kilns 



Plant No. 5. Marl and clay. 

 Marl 



Clay 



1 stone separator 



Tanks 

 1 wet tube mill 



Tanks 

 3 kilns 



Plant No. 6. Marl and clay. 

 Ma.rl 



Clay 



2 wet-pans 



3 Abbie mills 

 J 



2 wet ball mills 



3 wet tube mills 



13 kilns 



