Grieve’s No. 853 500°F electrically-heated belt conveyor oven measures 30 × 96 × 24 and features a 2-ft open-belt loading zone, 8-ft insulated heat zone with recirculated airflow and 2 ½-ft open-belt unloading zone. Heat is provided by 48-kw in Nichrome wire heating elements, while a 4,200-cfm, 3-hp recirculating blower furnishes vertical downward airflow to the load.
The oven features 4-inch insulated walls; a Type 304, 2B-finish stainless steel interior; a stainless steel exterior with #4 brush finish; and a 24-inch-wide, 1 × 1-inch Type 304 stainless steel flat wire conveyor belt with ¼-hp motor drive enabling variable speed from 0.9 to 17.6 ipm.
Safety and control equipment includes PVC electrical conduit, a remote-control panel, 325-cfm stainless steel power-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.
Editor PickSubmit Abstracts for Fabtech Conference in Chicago
The deadline is April 7 to submit a topic to speak at the conference, which takes place November 6-9 at McCormick Place in Chicago. Here is a suggested list of presentations to think about.