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Primetals Technologies to supply EAF Quantum electric arc furnace and ladle furnace to Wuzhou Yongda

Steel News - Published on Wed, 17 Apr 2019

Image Source: primetals
Primetals Technologies has received an order from Chinese steelmaker Wuzhou Yongda Special Steel Co Ltd to supply an EAF Quantum electric arc furnace and a ladle furnace for a greenfield project in Wuzhou city, in Guangxi Zhuang Autonomous Region. This marks the tenth EAF Quantum for China. The EAF Quantum furnace is designed to handle scrap steel of very varied composition and quality. The electrical energy requirement of the electric arc furnace is extremely low because the scrap is preheated. This reduces both the operating costs and the CO2 emissions. The twin ladle furnace sets the desired steel grades and the correct casting temperature. The new furnaces are scheduled to be commissioned in early 2020.

Wuzhou Yongda is a privately owned steelmaker operating in the Guangxi Zhuang Autonomous Region in Southern China. The company produces steel rods, coiled rebar and coiled wire. The EAF Quantum and the twin ladle furnace are part of a greenfield project for the production of stainless steels. For the new EAF Quantum electric arc furnace and the twin ladle furnace, Primetals Technologies will supply the complete mechanical and electrical process equipment and the automation technology. This includes the automated scrap yard management, the automated charging process, automation of the oxygen injection and sand refilling, as well as the Level 2 automation which makes the plant ready for Industry 4.0. A basic data package for dedusting equipment is also part of the order.

The EAF Quantum developed by Primetals Technologies combines proven elements of shaft furnace technology with an innovative scrap charging process, an efficient preheating system, a new tilting concept for the lower shell, and an optimized tapping system. This all adds up to very short melting cycles. The electricity consumption is considerably lower than that of a conventional electric arc furnace. Together with the lower consumption of electrodes and oxygen, this gives an overall advantage in the specific conversion cost of around 20 percent. In comparison to conventional electric arc furnaces, total CO2 emissions can also be reduced by up to 30 percent per metric ton of crude steel. An integrated dedusting system with modern automatic off gas control fulfills all environmental requirements.

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Posted By : Ratan Singh on Wed, 17 Apr 2019
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