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Tenova LOI Italimpianti to Supply Pit-type Furnace for Alstom
04/20/2009 - LOI Thermprocess will supply a large pit-type furnace for stress relieving turbine shafts at Alstom’s plant in Birr, Switzerland.
LOI Thermprocess, a Tenova LOI Italimpianti company, has received a contract is to supply a large pit-type furnace for installation at Alstom’s plant in Birr, Switzerland. Alstom will use the furnace to stress relieve turbine shafts.
The large pit-type furnace comprises a fixed base with recirculation fans, four heated rings and a cover. The furnace’s cover and the top one or two rings can be removed for charging and discharging. The furnace is heated by low-maintenance electric heating elements.
The furnace’s bottom section will have a maximum outside diameter of 6500 mm, and the unit will have an overall height of 16,000 mm.
The new furnace, which will be controlled by a Siemens S-7 400 PLC, will be used for treating rotors with weights up to 200 tonnes and lengths up to 12,000 in a protective controlled atmosphere. It will also employ a higher-level visualization system based on WinCC.
Due to be commissioned in mid-2010, the new furnace is LOI’s second contract for in the past six months for a heat treatment furnace of this type. LOI is also supplying another pit-type furnace to Alstom's facility in Chattanooga, Tenn.
Tenova LOI Italimpianti is a leading supplier of industrial furnaces and services for the metal industry. Tenova designs and supplies advanced technologies, products and services for the metal and mining industries. Tenova operates close to its customers through a network of 31 companies based on the five continents.
