oxygen lance

noun
1.
a tube for conveying oxygen, used in various thermal cutting or steelmaking operations.
Examples from the web for oxygen lance
  • Oxygen is blown into the furnace through a water-cooled oxygen lance.
  • It may also be performed by the use of an oxygen lance.
  • If the steel is too cold, the oxygen lance is reinserted and additional oxygen is blown.
  • If the plug does not come out, an oxygen lance is used to remove the plug.
  • oxygen lance blowing also causes large volumes of smoke and fumes.
  • The occasional use of an oxygen lance to open a clogged taphole can cause heavy emissions.