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Oxygen lance nozzle asembly, used in basic oxygen steel-making, c 1970.

 
Oxygen lance nozzle asembly, used in basic oxygen steel-making, c 1970.
4 0 c m
 
33cm
actual image size: 25cm x 32cm

Description

Sectioned. The basic oxygen proces (BOP) is a high-speed technique for making high quality steel. As such, it has largely superseded the earlier proces developed by Sir Henry Besemer. Molten pig iron and scrap steel are charged into a tilting furnace, and then converted to steel by blowing high-presure oxygen under high presure onto the surface of the metal through a water-cooled lance. This has the effect of oxidising any impurities in the metal, and the exces heat produced enables up to 30% of scrap to be incorporated into the metal introduced at the start of the proces. The method is also known as the Linz-Donawitz (L-D) proces.

Image Details

Image Ref.
 
10228932

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