Truck-Loading Cleanroom Oven From Grieve

No. 1010 is an electrically-heated, 500°F (~260°C) cleanroom oven from Grieve, currently used for curing plastic mesh at the customer’s facility. Workspace in this oven comprises two chambers, each 34" W x 54" D x 72" H. 80KW are installed in Incoloy-sheathed tubular elements to heat the workspace, while a 10,000 CFM, 7-1/2 HP recirculating blower provides horizontal airflow to a common central duct system.

This Grieve cleanroom oven features 4" thick insulated walls, Type 304, 2B finish stainless steel interior with continuously backwelded seams, stainless steel exterior with #4 brushed finish, 24" x 24" x 6" thick HEPA fresh air filter with 2" prefilter, thus no internal filtration is needed. Shelf trucks with supports on 2" centers, as well as a transfer dolly with oven-to-dolly latch and dolly-to-truck latch, are also provided with this unit for easier load handling.

No. 1010 includes a digital programming temperature controller, 10" diameter circular chart recorder and SCR power controller onboard.

500°F Electric Three-Zone Belt Conveyor Oven

No. 1018 is an electrically-heated, 500° F (~260°C) three-zone belt conveyor oven from Grieve, currently used for drying ceramic parts. Workspace dimensions are 18" wide x 40' deep x 18" high. 180 KW (60 KW per zone) are installed in Incoloy-sheathed tubular heating elements, while three 3-HP recirculating blowers (total 12,600 CFM) provide vertical downward airflow to the workload. The oven was split into three sections for shipment.

The unit contains a 12" wide, 1/2" stainless steel flat wire conveyor belt with 1/3-HP motor drive, variable from 2 to 30 inches per minute and has a 30" long open belt loading zone and a 60" long open unloading zone.

This Grieve conveyor oven features 4" insulated walls, aluminized steel exterior and Type 304, 2B finish stainless steel interior, three independent doors for access to the workspace, three 325 CFM powered forced exhausters and the unit was built to NEMA 12 electrical standards. It has disposable fresh air filters in each zone, including photohelic pressure gauges with alarms.

Controls onboard No. 1018 include SCR power controllers and independent recirculated airflow and temperature controls for each of three 162" insulated heat zones.

500 Hart Road,
Round Lake, Illinois
60073-2835 USA
Phone: (847) 546-8225
Fax: (847) 546-9210.
Attention: Frank Calabrese