Hardox® HiAce withstands 60% moisture content at biomass district heating plant
In acidic corrosive environments like those often found in waste-to-energy plants, the acidity oxidizes the steel’s surface. This makes it more prone to wear even if the equipment is made from a hard material. Trosa Energi, owned by Statkraft, Europe’s largest generator of renewable energy, receives wood chips in a loading bay that are then transformed into thermal energy. But these wood chips have quite a high moisture content – about 60% – which produces corrosive conditions in the plant’s loading bay. Two years after making the switch to a Hardox® HiAce floor and conveyor, they haven’t noticed any wear at all to date.
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3 times longer service life for recycling drums made in Hardox® HiAce steel
Imagine cutting maintenance by an entire 70%? And getting a longer service life while using less steel in your equipment? That’s just what Stena Recycling did when they switched to Hardox® HiAce. Stena Recycling uses large steel drums to clean and separate non-ferrous metals at a rate of about 1,000 tonnes (1,102 tons) a day. Since it’s a wet recycling process, the water makes the wear environment corrosive. This caused excessive wear, resulting in high maintenance costs and disrupted operations. Stena Recycling had to find a better solution than stainless steel. It came in the shape of Hardox® HiAce.
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Hardox® HiAce fights wear and corrosion in biomass co-generation plant
Hardox® HiAce has been successfully utilized in combating wear and corrosion in biomass heating power plants. Metallbau Perger GmbH & Co.KG in Germany used this innovative steel in the construction of the Regionalwerke Neckar Kocher biomass power plant. The decision to employ Hardox® HiAce was based on a recommendation from Metallbau Perger and by SSAB. The power plant operates efficiently, generating both electricity for the public grid and hot water and district heating for approximately 500 customers.
In 2022/23, extensive maintenance work was performed on the plant's high-wear areas, including the multi-shell grab, fuel bunker lining, and conveying technology to the burner, using the newly developed Hardox® HiAce. This steel offers excellent wear resistance and is particularly suitable for acidic environments. Its use is not limited to biomass power plants but is also applicable for further applications in power plants.