No. 1021 is a 1250ºF high-temperature belt conveyor oven from Grieve, currently used for drying steel nesh (sieve) materials at the customer’s facility. Workspace dimensions of this oven measure 21” W x 38” D x 3” H. 40 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 1600 CFM, 1-1/2 HP recirculating blower provides vertical downward airflow to the workload.
This Grieve packaged conveyor oven features 10” thick insulated walls made from 8” of 1900ºF block and 2” of 10 lb/cf density rockwool insulation, aluminized steel exterior, Type 304, 2B finish stainless steel interior and an 18” wide, 1” x 1” stainless steel flat wire conveyor belt with 1/3 HP motor drive, variable from 0.05 to 1.20 feet per minute. The oven travel comprises a 30” long open belt loading zone, 38” long insulated heat zone with recirculated airflow and 30” long open unloading zone. 10” x 10” stainless steel mesh screens above the return ductwork below the conveyor are provided to collect debris from the workload. Controls onboard No. 1021 include a digital indicating temperature controller, SCR power controller and wall mounted remote control panel.