PHOTOGRAPH 820
BELT CONVEYOR OVEN, Serial No. 650120
for heat treating mattress springs

-maximum operating temperature: 550°F
-workspace dimensions: 90" wide x 26' deep x 21" high
-6' long open belt loading zone
-3' long insulated, unheated entrance vestibule
-20' long insulated heat zone with recirculated airflow
-3' long insulated, unheated exit vestibule
-6' long open unloading zone
-360 KW installed in Incoloy sheathed tubular heating elements
-84" wide, 1" x 1" high carbon steel flat wire conveyor belt with 1/2 HP motor drive, variable from 2.9 to 8 feet per minute
-24,500 CFM, 20 HP recirculating blower providing vertical downward airflow
-4" insulated walls
-aluminized steel exterior
-Type 430, stainless steel interior
-digital indicating temperature controller
-manual reset excess temperature controller with separate contactors
-recirculating blower air flow safety switch
-exhaust hood over each end equipped with 12" diameter tubeaxial fan driven by a 3/4 HP motor