Guangdong Nanfang Donghai Opts for ABB ArcSave for 2 EAFs
ABB ArcSaveABB

Guangdong Nanfang Donghai Opts for ABB ArcSave for 2 EAFs

ABB has been chosen to supply its patented ArcSave electromagnetic stirrers as part of a substantial refit at leading Chinese iron and steel producer

ABB has been chosen to supply its patented ArcSave electromagnetic stirrers as part of a substantial refit at leading Chinese iron and steel producer Guangdong Nanfang Donghai’s steelmaking plant in Guangdong Province in southern China. The order comprises two ArcSave systems for use with two new electric arc furnaces. ArcSave will be delivered as part of the contract between Tenova, a leading company specialized in innovative solutions for the metals and mining industries, and Guangdong Nanfang Donghai, within Tenova’s Consteerrer concept, an innovative solution consisting of Consteel EAF and ABB ArcSave electromagnetic stirrer. Commissioning is planned for October 2021.

Making no physical contact with the bottom of the EAF, ArcSave improves the melting of large scrap items, reducing stratification via forced convection and leaving no dead zones in the melt. This improves furnace operation by helping to maintain an even temperature and homogenizing chemical composition, while accelerating scrap and ferroalloy melting compared with natural convection alone.

A more even melt temperature gives a higher eccentric bottom tap hole free opening frequency, reducing tapping delays and enabling a safer, more reliable EAF operation. ArcSave also helps reduce environmental impact by lowering electricity usage and process additions such as alloys and lime, and

Typically, ABB’s ArcSave can improve yield by around one percent, with productivity improvements of between five and seven percent. The solution also reduces consumption of electrical energy by three to five percent.

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