Posts Tagged ‘Furnace’

No. 1042 is a 2000°F (1093°C), gas-fired heavy-duty furnace from Grieve, currently used for heat treating at the customer’s facility. Workspace dimensions of this furnace measure 30” W x 60” D x 30” H.  750,000 BTU/HR are installed in four modulating natural gas burners with a floor mounted combustion air blower. Burners fire below hearth, with 9” thick insulated walls comprising 5” thick 2300°F ceramic fiber, 4” 1900°F block insulation and 8 1/2” floor insulation made from 4 ½” of 2300°F firebrick and 4” of 1900°F block insulation.

This Grieve furnace has two lanes of roller rails supported by firebrick piers and an air-operated platform with roller rails to bridge from loading table to workspace. Features include a ¼” plate steel exterior reinforced with structural steel, ½” steel faceplate at doorway and an air-operated vertical lift door.

Other features include safety equipment required by IRI, FM and National Fire Protection Association Standard 86 for gas-heated equipment plus a free-standing 390 CFM high-pressure combustion blower.

Controls on the No. 1042 include a digital indicating temperature controller and manual reset excess temperature controller with separate contactors.

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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Grieve1039_RetouchedNo. 1039 is a 2000°F (1093°C), inert atmosphere, heavy-duty furnace from Grieve, currently used for heat treating turbine components at the customer’s facility. Workspace dimensions of this furnace measure 36” W x 60” D x 36” H. 73 KW are installed in ICA wire coils supported by vacuum formed ceramic fiber installed on all interior surfaces, including door and beneath the hearth.

This Grieve inert atmosphere furnace has a roof-mounted, heat-resisting alloy circulating fan powered by a 1-HP motor with V-belt drive, water cooled bearings and inert atmosphere shaft seal.  Furnace features include 9” thick insulated walls comprised of 5” of 2300°F ceramic fiber and 4” of 1900°F block insulation; 8 ½” floor insulation comprised of 4 ½” of 2300°F firebrick and 4” of 1900°F block insulation. Other features include ¼” plate exterior reinforced with structural steel, ½” steel face plate at doorway with air-operated vertical lift door. Inert atmosphere construction includes continuously welded outer shell, high-temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet, inert atmosphere outlet, inert atmosphere flow meter and manual gas valve.

Controls on No. 1039 include a digital programming temperature controller, a manual reset excess temperature controller with separate contactors, paperless event recorder and SCR power controller.

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

No. 871 is an electrically-heated 2000°F(~1093.3°C) gas-heated box furnace from Grieve, currently used for heat treating and high temperature testing. 650,000 BTU/HR are installed in three modulating natural gas burners with a floor mounted combustion air blower. Workspace dimensions are 30” wide x 48” deep x 30” high.

The unit has 7” insulated walls comprised of 5” of 2300°F ceramic fiber and 2” of 1700°F block insulation. The 6½” floor insulation is made of 4½” of 2300°F firebrick and 2” of 1900°F block insulation. The plate hearth is made of firebrick and is supported by firebrick piers.

Controls onboard No. 871 include a Partlow MRC 7000 recording and programming temperature controller and an electrically-operated vertical lift door.

For more information, please contact: THE GRIEVE CORPORATION, 500 Hart Road, Round Lake, Illinois 60073-2835 USA.  Phone: (847) 546-8225.  Fax: (847) 546-9210.

Web: http://www.grievecorp.com. Email: sales@grievecorp.com. Attention: Frank Calabrese.

No. 954 is an electrically-heated 2000°F(~1093°C) inert atmosphere heavy-duty box furnace from Grieve, currently used for heat treating titanium at the customer’s facility. 57 KW are installed in nickel chrome wire coils, supported by vacuum-formed ceramic fiber, to heat the load. Workspace dimensions are 30” wide x 48” deep x 30” high. The oven’s 7” thick insulated walls comprise 5” of 2300°F ceramic fiber and 2” of 1700°F ceramic fiber, while the 6-1/2” floor insulation comprises 4-1/2” of 2300°F firebrick and 2” of 1200°F block insulation.

The unit is equipped with a roof-mounted heat-resisting alloy recirculating fan, powered by a 1-HP motor with V-belt drive, motor-operated vertical lift door, 100 lb. capacity alloy loading cart with cast alloy roller rails, 3-1/2” diameter cast alloy rollers and a roller rail loading table with 4” diameter cast iron rollers.

This Grieve furnace also features inert atmosphere construction, consisting of a continuously welded outer shell, high temperature door gasket, sealed heater terminal boxes, inert atmosphere inlet, inert atmosphere outlet and inert atmosphere flowmeter.

Controls onboard No. 954 include a digital programming temperature controller, manual reset excess temperature controller with separate contactors, plus a strip chart recorder.

For more information, please contact: THE GRIEVE CORPORATION,   Web: www.grievecorp.com.

Agency contact: Tim Daro, Bernard & Company

NEWS RELEASE:  THE GRIEVE CORPORATION

DATE:   December 21, 2009