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Siemens modernizes gas cleaning system for blast furnace of Ovako Wire Oy Ab

Siemens VAI Metals Technologies has received an order from the special steel products company Ovako Wire Oy Ab in Finland to engineer and supply a gas scrubber for the blast furnace at its Koverhar plant.

With the new gas scrubber, up to 125,000 Nm3 per hour of blast furnace gas can be cleaned. The modernization project is to be completed in November 2009.

Ovako Wire Oy belongs to the Ovako Group, a leading European manufacturer of long special steel products. The company produces around two million metric tons per year of low-alloy and carbon steels in the form of bars, wire rod, tubes and rings for applications in the manufacture of roller bearings and in heavy vehicle and automotive production and machine construction.

In the steel mill at Koverhar, in South Finland, around 600,000 metric tons of steel per year are produced and cast into billets for further processing at other Ovako locations. To ensure that environment standards are still observed after the planned modernization of the blast furnace has taken place, the relevant gas cleaning system will be brought to the latest state of the art.

The Simetal cone scrubber supplied by Siemens for this purpose will reduce the dust and water content in the blast furnace gas to values that meet environmental standards and increase the service life of the downstream plant components.

The system is designed such that it can be used reliably throughout a wide range of gas compositions. The operating conditions that are expected after modernization of the blast furnace were already taken into account when designing the scrubber.

With some 170 newly installed blast furnaces and a large number of modernized blast furnaces, Siemens is the world's leading supplier of blast furnace technology.

Gas cleaning plant: Simetal cone scrubbers reduce the dust and water content in the blast furnace gas to values that meet environmental standards and increase the service life of the downstream plant components.

The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of production, transportation, building and lighting technologies. With integrated automation technologies as well as comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six Divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 222,000 employees worldwide Siemens Industry posted in fiscal year 2008 a profit of EUR3.86 billion with revenues totaling EUR38 billion.

With the business activities of Siemens VAI Metal Technologies, (Linz, Austria), Siemens Water Technologies (Warrendale, Pa., U.S.A.), and Industrial Technologies, (Erlangen, Germany), the Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities. Using its own products, systems and process technologies, Industry Solutions develops and builds plants for end customers, commissions them and provides support during their entire life cycle. With around 31,000 employees worldwide Siemens Industry Solutions achieved an order intake of EUR 8.415 billon in fiscal year 2008.

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