OCR Text |
Show 10/79 450 400 350 q LU oh- LU CH CH oo > CO CO P<Q >- CH Q ^r Q_ 300 250 200 150 100 50 OPEN SYMBOL-fth?fcWT FGfl ¥&?\ "' 0 INCLOSED SYMB0L-W+ffl=F6R ^C (^^ FIRING RATE-2,8 MILLION BTU/HR 0 72oF NATURAL GAS A436°F D 360-F ^A^O 0 1 2 3 4 5 6 OXYGEN IN FLUE, 1 (DRY BASIS) Figure 8. NO IN FLUE FOR COMBINATION NOZZLE KILN BURNER (30% Axial, 70% Radial Flow) AS A FUNCTION OF EXCESS AIR AND AIR PREHEAT TEMPERATURE AT TWO FURNACE TEMPERATURES11 »- 6-16 I N S T I T U T E OF GAS T E C H N O L O GY |