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Tag Archives: Belt Conveyor Oven

1600°F Gas-heated Belt Conveyor Oven from Grieve

Grieve Corporation introduces No. 811, a 1600°F gas-heated belt conveyor furnace, currently in use for forming glass in alloy molds at a customer’s facility.

811 Grieve

Workspace dimensions inside this unit measure 24” wide x 12’ deep x 22” high.  Workloads travel atop a 6” wide, B-30-28-14, Type 314 stainless steel mesh conveyor belt with 1/4 HP motor drive, fixed speed 12 feet per minute, through a 36” long open belt loading zone, 12’ long insulated heat zone with three direct-fired furnaces and a 24” open unloading zone.

1,320,000 BTU/HR are installed in three modulating gas burners with a floor-mounted combustion air blower (not shown in photo).  7” thick insulated walls comprise 5” of 2300°F ceramic fiber and 2” block insulation;  6-1/2” thick floor insulation comprises 4-1/2” of 2300°F firebrick and 2” block insulation.  Vertical lift doors at each end of the workspace provide further insulation.

A remote free-standing control panel (not shown in photo) is also included with this Grieve furnace, which features all safety equipment required by IRI, FM and NFPA Standard 86 for gas-heated equipment.

No. 811 was entirely designed, engineered, built and fully tested by Grieve.

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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400ºF Electric Belt Conveyor Oven from Grieve

Grieve Corporation introduces No. 827, a 400°F electric belt conveyor oven, currently in use for preheating automotive fabric panels at a customer’s facility.

827 Grieve

Workloads travel atop a  30” wide, mesh Teflon-coated fiberglass conveyor belt with 1/4 HP motor drive, variable speed from 0.5 to 10 feet  per minute, through a 78” long open belt loading zone, 120” long insulated heat zone with recirculated airflow, and a 39” long open unloading zone.

40 kW  power is installed in Incoloy sheathed tubular heating elements, while a 4200 CFM, 3 HP recirculating blower provides vertical upward and downward airflow to the workload. This oven is equipped with exhaust hoods over each end of the workspace, to exhaust heat and fumes escaping the open ends of the heat zone.

No. 827 features a conveyor belt tracking system, consisting of photoelectric eyes to sense belt position and shift pneumatically-operated steering rollers.

This Grieve oven has an aluminized steel interior and exterior, 4” thick insulated walls, plus all the safety equipment required for handling flammable solvents.

This conveyor oven was entirely designed, engineered, built and fully tested by Grieve.

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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800ºF Gas-fired Belt Conveyor Oven

956 GrieveNo. 956 is a gas-fired, 800ºF (~427ºC) belt conveyor oven from Grieve, currently used for preheating steel parts at the customer’s facility.  Workspace dimensions measure 30”W x 108”D x 39”H.  400,000 BTU/HR are installed in a modulating natural gas burner to heat the unit, while a 4200 CFM, 3-HP recirculating blower provides vertical downward airflow across the load.

The workload travels through a 24” long open belt loading zone, 108” long insulated heat zone with recirculated airflow and a 24” long open belt unloading zone.  In process, the load rides on a 24” wide, 1” x 1” stainless steel conveyor belt with ¼-HP motor drive to index the belt through the oven heat chamber.

This Grieve belt conveyor oven features 6” insulated walls throughout, aluminized steel interior and exterior, motor-operated vertical lift doors at each end of the heat chamber, plus all safety equipment required by IRI, FM and the National Fire Protection Association (NFPA) Standard 86 for gas-heated equipment, including a 325 CFM, 1/3-HP powered forced exhauster.

No. 956 also features 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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1200°F Gas-heated Belt Conveyor Oven from Grieve

830 GrieveGrieve Corporation introduces No. 830, a 1200°F gas-heated belt conveyor oven, currently in use for preheating electric motor rotors at a customer’s location.

Workloads travel atop a 24” wide, 1” x 1” Type 304 stainless steel flatwire conveyor belt with 3/4 HP motor drive, fixed speed of 15 feet per minute, through a 54” long open belt loading zone, 105” long insulated heat zone with recirculated airflow and a 36” long open unloading zone.

800,000 BTU/HR are installed in a modulating gas burner, while a 6000 CFM, 5 HP recirculating blower provides vertical downward airflow to the workload.

No. 830 features 10” thick insulated walls, comprising 2” of 1900°F block and 8” of 10 lb./cu.ft. density rockwool insulation.  This conveyor oven has an aluminized steel exterior, Type 304, 2B finish stainless steel interior, motor-operated vertical lift doors at each end of the heat zone and 1/4” plate work surfaces at each end of the oven.

All safety devices required by IRI, FM and NFPA Standard 86 for gas-heated equipment are built into this unit, including electronic flame safeguard protection, powered forced exhauster, exhauster airflow safety switch, purge timer, hi/lo gas pressure switches, manual reset main gas valve and testing device for tight closure of main gas valve.

This conveyor oven was entirely designed, engineered, built and fully tested by Grieve.

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

Three-zone, Electrically-heated 500ºF Belt Conveyor Oven from Grieve

794 GrieveNo. 794 is a three-zone, electrically-heated belt conveyor oven from Grieve, currently in use curing a cast silicone rubber layer onto steel rollers.  This unit has a maximum operating temperature of 500°F and a workspace of 30″ W x 96″ D x 24″ H.

The conveyor consists of an 18″ long open belt loading zone, 36″ long insulated unheated entrance vestibule, three 32″ long insulated heat zones with independent recirculated airflow and temperature control, 12″ long insulated unheated exit vestibule and 60″ long open unloading zone.

A 90 KW total heat input is installed in Nichrome wire heating elements, with 30 KW per heating zone.  Three 1,000 CFM, 1 HP recirculating blowers provide vertical downward airflow to the workload.

No. 794 features aluminized steel interior and exterior, as well as 4″ thick insulated walls, a three-pen, 10″ dia. circular chart recorder and a 24″ W, 1″ x 1″ flatwire conveyor belt with 1/2 HP motor drive and variable speed from 1.5 to 4.3 inches per minute.

A customer-specified, multi-color paint finish was also supplied by Grieve on this conveyor oven.

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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Electrically-heated 850ºF Belt Conveyor Oven from Grieve

793 GrieveNo. 793 is an electrically-heated belt conveyor oven from Grieve, currently in use drying moisture from tubular heating elements.  This unit has a maximum operating temperature of 850°F and workspace dimensions of 24″ W x 12′ D x 15″ H.

The conveyor consists of a 2′ long open belt loading heat zone, 12′ long insulated heat zone with recirculated airflow and a 2′ long open unloading zone.

7″ thick insulated walls are featured throughout this rugged Grieve oven, which has 80 KW  total heat input installed in Incoloy sheathed tubular heating elements.  A 4,200 CFM, 3 HP reciruclating blower provides vertical downward airflow to the workload.

No. 793 further features an aluminized steel interior and exterior, as well as an 18″ W, 1″ x 1″ flatwire conveyor belt with 1/3 HP motor drive and variable speed from 2.0 to 5.7 inches per minute.

This Grieve oven’s controls and indicators are all mounted in a single enclosure for easy access.

Adjustable dampers at each end of the heat zone can be lowered near the load to minimize heat loss during operation.

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

500°F Gas-heated Belt Conveyor Oven from Grieve

937 GrieveNo. 937 is a gas-heated, 500°F belt conveyor oven from Grieve, currently used for curing rubber.  Workspace dimensions measure 36”W x 68”D x 15”H.  175,000 BTU/hr installed in a modulating natural gas burner heat the unit, while a 3,300 CFM,

2 HP recirculating blower provides vertical downward airflow to the workload.  This oven features a 6” long open belt loading zone, 12” long insulated, unheated entrance  vestibule, 60” long insulated heating zone with recirculated airflow and a 12” long insulated unheated exit vestibule.

The unit has 4” insulated walls throughout, aluminized steel interior, stainless exterior with #4 brushed finish and a 30” wide, 1” x 1” flat wire conveyor belt with 1/4 HP motor drive, variable from 1-20 inches per minute.

This Grieve oven also included a digital indicating temperature controller and fused disconnect switch.

A side hinged door allows access to the workspace and heat chamber.

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

Seven-zone, Gas-fired Belt Conveyor Oven from Grieve

No. 919 is a seven-zone, gas-heated belt conveyor oven from Grieve, currently used to cure various coatings onto ceramic parts.  Maximum operating temperatures are 350°F in Zones 1-4 and 1000°F in Zones 5-7.  Workspace dimensions measure 51”W x 56’D x 15”H, with a 30” long open belt loading zone, four 3’ long insulated heat zones with independent recirculated airflow and temperature control (350°F), 30” long open zone, three 3’ long insulated heat zones with independent recirculated airflow and temperature control (1000°F), 9’ long cooling zone and 3’ long open unloading zone.

919 Grieve

400,000 BTU/hr. are installed in modulating natural gas burners in Zones 1-4, with 500,000 BTU/hr. in Zones 5-7

A 1/2” wide, B36-20-12-14, Type 316 stainless steel balanced weave conveyor belt is powered by a 1-HP motor drive, variable from 1.5 to 30 inches per minute.

A 30,000 CFM, 30-HP recirculating blower provides vertical upward airflow to the workload in Zones 1-4, while 25,000 CFM, 20-HP unit in Zone 5 and 12,500 CFM, 10-HP units in Zones 6-7 do likewise.

Two 36” diameter tubeaxial fans, each driven by a 5-HP motor, push / pull air through the oven’s cooling zone.

This Grieve belt conveyor oven features an aluminized steel exterior and Type 316L, 2B finish stainless steel interior with continuously welded seams.  There are 4” thick insulated walls in Zones 1-4 and 8” thick insulated walls, comprising 2” of 1900°F block and 6” of 10 lb/cf density rockwool, in Zones 5-7.

The unit has top mounted heating chambers, doors for access to the work space and heat chambers in each zone and is designed to be split into two sections for easier shipment.

No. 919 has onboard all safety devices required by IRI, FM and NFPA Standard 86 for gas-heated equipment, as well as digital indicating temperature controllers.

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

1000ºF Electric Belt Conveyor Oven from Grieve

No. 823 is an electrically-heated,  1000ºF belt conveyor oven from Grieve, currently used for drying water-based  glue onto stainless steel mesh.  Other features include:

823 Grieve-workspace dimensions: 36″ x 15′ deep x 15″ high

-160 KW installed in Incoloy sheathed tubular heating elements

-30″ wide, 1″ x 1″ 316L stainless steel flat wire conveyor belt with 1/4 HP motor drive, with digital controller; variable from 0.5 to 10 feet per minute

-hot load, unload, and belt return

-7800 CFM, 5 HP recirculating blower providing vertical downward airflow

-8″ thick insulated walls comprised of 2″ of 1900°F block and 6″ of 10 lb/cf density rockwool

-aluminized steel exterior

-16 ga. type 316L stainless steel interior

-650 CFM, type 304 stainless steel, powered forced exhauster

-NEMA 12 electrical standards

-digital indicating temperature controller

-manual reset excess temperature controller with separate contactors

-recirculating blower air flow safety switch

-swivel casters with swivel locks and wheel brakes

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

650ºF Electric Heat Belt Conveyor Oven from Grieve

851 GrieveNo. 851 is a 650oF electrically-heated belt conveyor oven from Grieve, currently used for soldering metal parts at a customer’s facility.

Workspace dimensions of this oven measure 18” wide x 96” deep x 15” high.  A 2’ long open belt loading zone, two 4’ long insulated heat zones with independent recirculated airflow and temperature control, 1’ long open zone, 12’ long cooling zone and 2’ long open belt unloading zone constitute the full heat processing system of this Grieve oven.  60KW installed in Nichrome wire heating elements provide the heat, while two 1000 CFM, 2-HP recirculating blowers furnish downward vertical airflow to the workloads.

This Grieve oven features 5” insulated walls, an aluminized steel exterior, Type 304 stainless steel interior, two 16” diameter tubeaxial fans, each driven by a ¾-HP motor to push/pull air through the cooling zone, as well as a 12” wide, 1” x 1” high carbon steel flat wire conveyor belt with ¼-HP motor drive, variable speed from 1.3 to 25.3 ipm.

Safety and control equipment on-board No. 851 include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower airflow safety switch and fused disconnect 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

Continue reading