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Large pit-type furnace for Alstom, Switzerland
Apr 21, 2009
Large pit-type furnace for the stress relieving of turbine shafts
Large pit-type furnace for the stress relieving of turbine shafts
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Alstom has ordered a large pit-type furnace for the stress relieving of turbine shafts for installation at its plant in Birr, Switzerland.
The large pit-type furnace consists of a fixed base with recirculation fans, four heated rings and a cover. The bottom section of the furnace will have a maximum outside diameter of 6,500 mm and the overall height of the unit will be 16,000 mm. The furnace will be used for the treatment rotors with weights up to 200 t and lengths up to 12,000 mm in a protective controlled atmosphere.
The furnace is charged from above. For charging and discharging, the cover and, if necessary, the top one or two rings, can be removed. The furnace is heated by low-maintenance electric heating elements (see illustration).
The new furnace is to be controlled by a special PLC. A higher-level visualization system will also be used. The new furnace in Switzerland is due to be commissioned in mid-2010.
In addition, make sure to read these articles:
Large pit-type furnace for Alstom, Switzerland
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