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Furnaces by SECO/WARWICK commissioned in India

SECO/WARWICK Allied (India) recently commissioned two 60 tonne melting and holding furnaces for Hindalco Industries Ltd. at its Aditya Aluminum Lapanga project in Orissa. The furnace design was prepared in conjunction with SECO/WARWICK Corp. (USA).

This is an integrated greenfield aluminium complex. Hindalco Industries Ltd, the flagship company of the Aditya Vikram Birla Group, is looking to be the growth engine of the group in the non-ferrous metals business.

The furnaces are electrically heated with a hydraulic mechanism for tilting, and are designed for a melting rate of 1.3 tph (minimum) each.

The furnaces have been provided with doors for charging of solid metal or for skimming, and a door for charging of liquid metal by overhead crane.

The scope of supply includes the furnace with heating, hydraulic system, PLC and SCADA with launders to feed an ingot casting machine.

The launders lids have been designed for operation through a pneumatic cylinder arrangement.

Egil Hogna appointed new CEO at Sapa

The Board of Directors of Sapa AS has appointed Egil Hogna as the company’s new President & Chief Executive Officer.

He will replace Svein Tore Holsether on 1 September 2015.

For the last six years, Hogna has led the downstream operations at Yara International. He has previously served in a variety of management positions in Yara and Hydro, including CFO and head of Investor Relations.

Hogna has a Master of Science degree from the Norwegian University of Science and Technology in Trondheim and an MBA from INSEAD.

Canadian representation strengthened by Wahl

Wahl Refractory Solutions LLC of Fremont, Ohio USA has announced it has signed an agreement with Vartech-MCS for the sales representation of Wahl’s refractory products in Canada.

Vartech-MCS will service customers in the Eastern provinces of Ontario, Quebec and the Maritimes. Partnering with Vartech strengthens Wahl’s presence in Canada providing value-added refractory solutions to the Canadian non-ferrous industry.

EU foil sector returns to growth

The European domestic market for aluminium foil made a welcome return to growth in Q2. It improved by 0.3% compared with the same period in 2014.

This means that the shortfall on total deliveries has narrowed to just 0.7%, down markedly from the 2.5% seen in the first three months of 2015, according to new figures released by EAFA, the European Aluminium Foil Association.

From January to June deliveries in the EAFA region were 439,300 t compared with 442,200 t for H1 2014).

Once again thicker gauges, used typically for semi-rigid containers and technical applications, led the way with an increase of 4.5%, continuing the growth established at the end of last year, following a considerable period of decline.

Demand for thinner gauges, used mainly for flexible packaging and household foils, fell by 3.2%, or half the fall of Q1, reflecting an underlying pick-up in domestic demand.

Continuing strong competition from rollers in other parts of the world meant exports fell 7.8% at the halfway stage this year compared with last.

Alro celebrates 50 years of production

It was 50 years since the beginning of aluminium production in Slatina in June 2015.

The Alro plant has recorded production of over 9.2 million tonnes of electrolytic aluminium from 1965 until now, and has produced over 9.5 Mt of cast aluminium, in the form of ingots, billets, slabs, and wire rod, since the beginning of operations. Alro SA, one of the largest aluminium producers in Central and Eastern Europe, has invested over US$ 500 million to modernise and to increase the efficiency of its operations in the past ten years.

As a result of the upgrading and technological investments, Alro has reached a production capacity of 265,000 tonnes for primary aluminium, 340,000 tonnes for cast aluminium and 96,000 tonnes for processed aluminium.

The company will continue to focus on the increase of production capacity for high added value products and the improvement of its technology.

Cost-saving ultrasound degassing now possible

Having proved that ultrasound degassing of molten aluminium alloys is cleaner, greener and cheaper than current methods, a team of scientists from Brunel University London working within a European consortium has now taken the breakthrough a step further.

De-gassing the melts of aluminium alloys is a vital process, otherwise the resulting solid metals end up being highly porous and often rejected for further use.

Project lead Prof Dmitry Eskin of the Brunel Centre for Advanced Solidification Technology explains “The most common current method, argon rotary degassing, is energy intensive, involves rotating brittle parts and expensive argon gas.

Having proved that ultrasound is cheaper, greener and just as efficient we wanted to look at achieving a continuous process that would allow us to apply degassing to much larger melt volumes and upstream from the casting mould.

Our experiments showed that a plate sonotrode gave a continuous degassing efficiency of at least 50 per cent in the melt flow, rising to 75 per cent in batch operation.

This is even more impressive than a standard cylindrical sonotrode.”

Prof Eskin believes that much greater efficiencies are simply waiting to be unlocked and is seeking an industrial partner to help his team address some of the engineering challenges.

Initial experiments were with a flat S-shaped sonotrode positioned at the bottom of the through-flow degassing chamber. The efficiency of degassing was very good, but there were some engineering challenges to be addressed.

Liquid aluminium spillage on German highway

A truck collided with the central reservation before tipping over, spilling three full containers of 800°C liquid aluminium across the A1 near Schwerte, south of Dortmund in mid-August.

The lorry and the road burst into flames but the driver escaped with only minor injuries.

Firemen were on the scene quickly to put out the fire.
























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Tuesday 31 May, 2016 3:39 PM