Arrangements | Air Heater
CONCEPTUAL ARRANGEMENTS SHOW FLEXIBILITY
OUT
OUT
OUT
Process air (hot or cool) IN
Optional OUT
Optional OUT
Optional shell lining
Spiral fl ow
Refractory lining
Cast or fi ber lining
Refractory inner tube
Steel shell
Diverter
IN
Cool Process Air
Optional secondary air
Combustion air
Combustion air
Combustion air
Fuel
Fuel (Optional O 2 )
Fuel
DIRECT FIRED ALL AIR THRU BURNER HI TO LO TEMP RAMPS
FULL COUNTERFLOW KEEPS SHELL COOLER AND PREHEATS INCOMING
PARALLEL FLOW-SHIELDED WITH VARIABLE DILUTION
#2
#1
#3
Hot Process Air
Cool Process Air
Optional OUT
Full refractory lining
Steel (or S.S.) inner tube
IN
OUT
IN
Combustion air
Combustion air
OUT
Optional OUT
Fuel
Fuel
Optional inlets
FULL SPIRAL COUNTERFLOW. SHELL STAYS COOL. VARIABLE HEAT OUTPUT TO 800°F
PARALLEL FLOW--FULL MIX. HANDLES HIGHEST TEMPERA- TURE AIR, BOTH IN AND OUT. IDEAL FOR RECIRCULATION.
#4
#5
Bulletin 9545 Page 3
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