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Cooling apparatus for electric arc furnace electrodes ...

Jul 25, 1989 · In brief, my invention contemplates a cooling apparatus for electric arc furnace (EAF) electrodes, in which nozzles spray and cool the surfaces of EAF electrodes outside the furnace roof. The water spray cooling is provided around the graphite electrode columns.

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Steel - essentialchemicalindustry

The furnace is a circular bath with a movable roof through which three graphite electrodes are raised or lowered. These electrodes are massive, often 6 m high and 4 m wide, and the furnace can hold over 100 tonnes of liquid steel.

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Cooling apparatus for electric arc furnace electrodes ...

Jul 25, 1989 · What is claimed is: 1. An apparatus for cooling graphite electrodes extending through a roof of an electric arc furnace (EAF) which comprises means capable of spraying a cooling agent onto an outer surface of a portion of said electrodes extending to an outside of the EAF roof, in which said coolant includes an antioxidant treatment which protects said graphite electrodes.

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A guide to the language of steel – ArcelorMittal

A furnace for scrap-based steelmaking. Once the furnace is charged and covered, graphite electrodes are lowered through holes in the roof. The electric arc travelling between the electrodes and the metallic charge creates intense heat which melts the scrap. Alloying elements can .

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Graphite Electrode DC Arc Furnace - D&D KM-IT

The Graphite Electrode DC Arc Furnace (DC Arc) is a high-temperature thermal process, which has been adapted from a commercial technology, for the treatment of mixed waste. A DC Arc Furnace heats waste to a temperature such that the waste is converted into a molten form that cools into a stable glassy and/or crystalline waste form.

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Electric Arc Furnace | Electrical4U

Aug 09, 2018 · Electric Arc Furnace means an extremely hot enclosed space, where heat is produced by means of electrical arcing for melting certain metals such as scrap steel without changing electro-chemical properties of the metal. Here, electric arc is produced between the electrodes. This electric arc is used for melting the metal..

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Best Graphite Electrodes Suppliers, Graphite Electrodes ...

Find best Graphite Electrodes suppliers, manufacturers, exporters from China and around the world. OKorder is a leading purchase platform for Graphite Electrodes in the world.

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Graphite India enjoyed a dream run. Will it overcome the ...

Graphite electrode makers struck gold in early 2017 after China's crackdown on pollution resulted in the shutdown of almost a third of its own graphite electrode making capacity. The result was a huge bonanza for Indian companies like Graphite India that witnessed their product prices go through the roof.

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Electric Furnace 1971 - The Mechanics of Consumption of ...

Graphite Electrodes in Electric Steel Furnaces In the economics of electric steelmaking, two cost items can be determined with ease and accuracy: the specific energy consumption (kw-hr per ton) from meter ... surface of 24" diameter electrodes near the roof port- .

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Uhp graphite electrode - YouTube

May 29, 2019 · uhp graphite electrode diameter :700mm 600mm 550mm 500mm 450mm 400mm 350mm 250mm 200mm 150mm. uhp graphite electrode diameter :700mm 600mm 550mm 500mm 450mm 400mm 350mm 250mm 200mm 150mm.

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Graphite Electrode Manufacturers Suppliers | IQS Directory

The electric arc furnaces themselves are large containers. The steel scraps for recycling are placed into the container and the roof is lowered. The graphite rods, or electrodes are components of the roof structure of the furnaces and are assembled into columns and attached to the roof. Depending on the manufacturer, the electrodes can be as ...

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US4852120A - Cooling apparatus for electric arc furnace ...

A cooling apparatus for electric arc furnace (EAF) electrodes, in which nozzles spray and cool the surfaces of EAF electrodes outside the furnace roof. The water spray cooling is provided around the graphite electrode columns. Water flow is controlled in a way that water running down the electrode columns is evaporated before entering the EAF-roof hole to enable maximum graphite saving and ...

EFFECTS OF EFFECTS OF E.A.F. DESIGN AND OPERATION ON ...

EFFECTS OF E.A.F. DESIGN AND OPERATION ON ELECTRODE CONSUMPTION * L. R. Jaccard. INTRODUCTION. A deep knowledge of the correlation between the specific electrode consumption and the furnace operating and design parameters is the best tool to achieve the optimum economical conditions for the production of steel in electric arc furnaces.

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Graphite Electrode DC Arc Furnace - D&D KM-IT

The Graphite Electrode DC Arc Furnace (DC Arc) is a high-temperature thermal process, which has been adapted from a commercial technology, for the treatment of mixed waste. A DC Arc Furnace heats waste to a temperature such that the waste is converted into a molten form that cools into a stable glassy and/or crystalline waste form.

Get Price
Electric Arc Furnace for Electrode Handling | Elebia Blog ...

Nov 07, 2018 · How does an Electric Arc Furnace for Electrode Handling work? – Structure: The Electric Arc Furnace is a thick, cylindrical boiler made of reinforced steel plates. It consists of a refractory-lined vessel covered with a retractable roof, and through which one or more graphite electrodes .

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Electric Smelting in Southern Africa - Mintek

Electric Smelting in Southern Africa Rodney Jones. Mintek, Randburg, Johannesburg, South Africa ... •Graphite electrodes are simple to manage Graphite Søderberg. Taxonomy 5: Arc and bath ... energy to the roof and side-walls •The open bath can be partially covered by feed material.

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PROTECTIVE COATING FOR GRAPHITE ELECTRODES

achieved in several ways, particularly by protecting the electrode surface from oxidation or at least delaying the start of the oxidation process. For more than 40 years, the most efficient technique ap-plied in electric steel production is the special Graphite Cova protective coating for graphite elec-trodes.

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Graphite Electrode Supplier, Manufacturer ...

A detail About Graphite Electrodes. The graphite rods or electrodes are components of the roof structure of the furnaces and are bring together into columns and attached to the roof. Depending on the manufacturer, the electrodes can be as small as 3 inches in diameter, or as large as 30 inches.

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Graphite Electrode Manufacturers Suppliers | IQS Directory

The graphite rods, or electrodes are components of the roof structure of the furnaces and are assembled into columns and attached to the roof. Depending on the manufacturer, the electrodes can be as small as 3 inches in diameter, or as large as 30 inches.

Get Price
Graphite India enjoyed a dream run. Will it overcome the ...

Graphite electrode makers struck gold in early 2017 after China's crackdown on pollution resulted in the shutdown of almost a third of its own graphite electrode making capacity. The result was a huge bonanza for Indian companies like Graphite India that witnessed their product prices go through the roof.

[PDF]Get Price