2930 



Chapter 24 



CYCLONES TO SEPARATE EXHAUST 

 6AS FROM FINE 

 PARTICLES 



SETTLING 

 CHAMBER 



INDUCED -DRAFT 

 FAN 



FLUID 

 COUPLING 



OUTER FLIGHTS FIXED TO 

 SHELL ARRANGED IN SERIES 

 WITH VARYING ANGULARITY 



STRAIGHT 



FLIGHTS SUPPORT 

 MATERIAL ACROSS 

 WIYER CROSS SECTION 



,L SUPPORTS 



0»RtC 



ROTATION 



OUTER SHELL WITH 

 AIR-GAP INSULATION 



CENTER FLIGHTING PROVIDES 

 DRYING SURFACES AND CONTROLS 

 DISTANCE MATERIAL FALLS 



Figure 24-13.— One-pass rotary drum dryer. (Drawings from Rader Companies, Inc.) 



