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Saldanha Steel was a South African
ArcelorMittal South Africa
which in turn is part of global steel company ArcelorMittal.
Midrex
plants as it does not use reformed natural gas but purified Corex gas as reduction medium. * Corex Process in the large tower with the pyramid. The process uses iron oxide in lump and pellet form with coal and coke to produce liquid iron. The coal and coke is gasified to produce a reducing gas (carbon monoxide and hydrogen) that reduces the iron oxide before it is melted to produce liquid iron. *Flaring off the excess reduction gas, which cannot be used anymore for energy, in the flare stack left of the Corex tower *Meltshop, the building left of the flare stack, consists of Conarc for melting the iron products again from the Corex and Midrex processes. The Conarc consists of two electric arc furnace shells with one set of electrodes for arcing and one top lance for oxygen blowing. It combines conventional electric arc furnace (
Mittal Steel South AfricaSaldanha Steel's page at Mittal Steel South AfricaProcess flowchart
Steel companies of South Africa Economy of the Western Cape ArcelorMittal {{industry-company-stub
Saldanha Steel was a South African steel
Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...
company originally formed as a partnership between Iscor Limited and the Industrial Development Corporation (IDC). Saldanha Steel is now part oArcelorMittal South Africa
which in turn is part of global steel company ArcelorMittal.
Operations
The R6,8bn Saldanha Steel facilities, situated on the Cape west coast roughly 10 km away from Langebaan Lagoon's ecologically sensitivewetlands
A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...
, has been designed to produce 1.25 million tons of hot-rolled carbon steel coil per year. The mill was commissioned in 1998.
Following the unbundling of Iscor's mining and steel assets, the Industrial Development Corp. has now become a major shareholder of Iscor Ltd.
It is one of the few steel making plants which do not use blast furnaces
A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. ''Blast'' refers to the combustion air being "forced" or supplied above atmospheric p ...
and coke.
The factory comprises the process parts (right to left on image above when scrolled)
*Ore storage and processing in the large silos
*Midrex process in the smaller tower. Iron oxide in lump and pellet form is reduced using purified Corex off-gas. The Corex gas is processed in a Vacuum Pressure Swing Adsorption (VPSA) plant to remove the carbon dioxide and water (products of reduction) to produce reduction gas for the Midrex process. This Midrex plant differs from conventionaMidrex
plants as it does not use reformed natural gas but purified Corex gas as reduction medium. * Corex Process in the large tower with the pyramid. The process uses iron oxide in lump and pellet form with coal and coke to produce liquid iron. The coal and coke is gasified to produce a reducing gas (carbon monoxide and hydrogen) that reduces the iron oxide before it is melted to produce liquid iron. *Flaring off the excess reduction gas, which cannot be used anymore for energy, in the flare stack left of the Corex tower *Meltshop, the building left of the flare stack, consists of Conarc for melting the iron products again from the Corex and Midrex processes. The Conarc consists of two electric arc furnace shells with one set of electrodes for arcing and one top lance for oxygen blowing. It combines conventional electric arc furnace (
EAF EAF may refer to:
Military
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Other uses
* EAF family of proteins
* Earagail Arts Festival, in County Donegal, Irela ...
) with basic oxygen furnace ( BOF) operation.
*Sheet rolling facility in the fairy like building left with all the pyramids. Starting with hot rolling of slabs up to 90 cm wide and 7.5 cm thickness, finally to one millimeter thin sheet rolls which are stored in the very left of the building and shipped to the customer. A temper mill facility is available to temper the coils or to split coils into smaller coils.
*The tall tower in front of the rolling mill building is an Air Liquide air separation plant to elemental oxygen, nitrogen and argon.
References
External links
Mittal Steel South Africa
Steel companies of South Africa Economy of the Western Cape ArcelorMittal {{industry-company-stub