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Tag Archives: tunnel oven

Gravity-Conveyorized Tunnel Oven for Preheating Metal Housings

1008rtoutlinedNo. 1008 is a 500ºF tunnel oven with gravity roller conveyor from Grieve, currently used for preheating metal housings at the customer’s facility.  Workspace dimensions of this oven measure 42” W x 72” D x 30” H.   30 KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 3000 CFM, 1-1/2 HP recirculating blower provides vertical downward airflow to the workload.

This Grieve tunnel oven features 4” thick insulated walls plus an aluminized steel interior and exterior.  The work zone comprises a 66” long open loading zone, 72” long insulated heat zone with recirculated airflow and 66” long open unloading zone, with a 36” wide roller conveyor with rollers on 3” centers.  Motor-operated vertical lift doors are supplied on each end of the oven.

Controls on No. 1008 are built to NEMA 12 electrical standards and include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors and a recirculating blower airflow safety switch.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

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350°F Electric Tunnel Oven

1006No. 1006 is an electrically-heated 350°(~177°C) gravity roller design, conveyorized tunnel oven from Grieve, currently used for drying precipitate in pans at the customer’s facility. Workspace dimensions of this oven measure 66” wide x 19’ deep x 15” high. 120 KW are installed in Incoloy sheathed tubular heating elements, while a 17,500 CFM, 15-HP recirculating blower provides vertical downward airflow.

This Grieve oven features 4” insulated walls, aluminized steel interior and exterior and a gravity roller conveyor with 1.9” diameter rollers on 6” centers.  It also includes a 4’ long open loading zone, 19’ long insulated heat zone and 4’ long open uploading zone.

Additionally, controls on No. 1006 include a digital indicating temperature controller, manual reset excess temperature controller with separate control contactors, recirculating blower airflow safety switch and NEMA 12 control enclosure with fused disconnect.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

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550ºF Gas-heated Tunnel Oven from Grieve

960 GrieveNo. 960 is a gas-heated, 550ºF tunnel oven from Grieve, currently used by the customer for processing various composite resins and fibers.  Workspace dimensions of this unit measure 75”W x 156”D x 25”H.  400,000 BTU/HR are installed in a modulating gas burner to heat the unit, while a 12,500 CFM, 10 HP recirculating blower provides vertical downward airflow to the load.

This oven features 4” insulated walls throughout, an aluminized interior and exterior, motor-operated vertical lift door, side doors for workload access/maintenance and integral guide tracks at the workspace entry to support the customer’s wheeled loading fixture for faster start-up of the process.

No. 960 includes all safety equipment required by IRI, FM and National Fire Protection Association Standard 86 for gas-heated equipment, including a 325 CFM, 1/3 HP powered forced exhauster.  This tunnel oven also has a digital indicating temperature controller onboard.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

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350ºF Gas-heated Tunnel Oven from Grieve

878 GrieveNo. 878 is a 350°F gas-heated tunnel oven from Grieve, currently used for drying water from aluminum parts hung on a monorail pass-through conveyor at the customer’s facility.  Workspace dimensions of this unit measure 30”W x 192”D x 66”H.  The workload passes through a 24” long insulated, unheated entrance vestibule, a 144” long insulated heat zone with recirculated airflow and a 24” long insulated, unheated exit vestibule.  This oven is suspended from the factory ceiling and operated by a remote control panel (shown aside the unit in photo).

500’000 BTU/HR installed in a modulating natural gas burner heat the workspace, while a 6,000 CFM, 5-HP recirculating blower provide vertical downward airflow to the workload.  The unit has a bottom-mounted heat chamber and a 24”W x 72”H side door for access to the chamber and workspace.

This tunnel oven features an aluminized steel interior and exterior.  Interior supports are provided for the customer’s pass-through monorail.  4” thick insulated walls are also included.

All safety equipment required by IRI, FM and NFPA Standard 86 for gas-heated equipment are onboard this Grieve oven, including a 650 CFM, 1/2-HP powered forced exhauster.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

Continue reading