550°F Belt Conveyor Oven Used for Curing Sealant

Grieve’s No. 892 is a 500°F (260°C) electrically heated belt conveyor oven currently used for curing sealant on filters at a customer’s facility. Workspace dimensions are 18″ × 32″ × 26″ ×, and 36 kW are installed in Nichrome wire heating elements, while a 1,500-cfm, 1 -1/2-hp recirculating blower provides vertical downward airflow to the workload.
The oven has an 18″-long open-belt loading zone and a 24″-long unloading zone. Other features include a 12″-long insulated, unheated entrance vestibule; 32″-long insulated heat zone with recirculated airflow; 12″-long insulated, unheated exit vestibule; 12″” × 1″ × 1″ stainless steel flat-wire conveyor belt with 1/4-hp motor drive, variable from 0.6 to 11.7 ipm; 4″ insulated walls; and aluminized steel interior and exterior. Controls include a digital indicating temperature controller, 10″-diameter circular chart recorder and SCR power controller.

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