No. 853 is a 500OF electrically-heated belt conveyor oven from Grieve, currently used for curing coating and heat shrinking plastics at a customer’s facility.
Workspace dimensions of this oven measure 30” wide x 96” deep x 24” high. A 2’ long open belt loading zone, 8’ long insulated heat zone with recirculated airflow and 2 ½’ long open belt unloading zone constitute the full heat processing system. 48KW installed in Nichrome wire heating elements provide the heat, while a 4200 CFM, 3-HP recirculating blower furnishes vertical downward airflow to the load.
This Grieve oven features 4” insulated walls, a Type 304, 2B finish stainless steel interior, stainless steel exterior with #4 brush finish, as well as a 24” wide, 1” x1” Type 304 stainless steel flat wire conveyor belt with ¼-HP motor drive, variable speed from 0.9 to 17.6 ipm. A side door allows access to the unit’s workspace.
Safety and control equipment on-board No. 853 include PVC electrical conduit, a remote control panel, 325 CFM stainless steel powered forced exhauster, six-point thermocouple jack panel through the oven wall, digital indicating temperature controller, manual reset excess temperature controller with separate contactors, and recirculating blower airflow safety switch.