ajax furnace造句

• The "'AJAX furnace "'was a modification of the tilting open hearth furnace that used blown oxygen to improve productivity.
• During the decade after c . 1957 onwards the Appleby-Frodingham works pioneered the use of a variation of the open hearth furnace utilising oxygen named the AJAX furnace.
• The AJAX furnaces functioned as a transition technology prior to the introduction of the Linz-Donawitz process ( basic oxygen ) for steel production by the company c . 1966.
• Conversion to the Linz-Donawitz process ( LD ) of steel making from the open hearth process took place from the late 1960s onwards, with an intermediate oxygen utilising open hearth process known as the AJAX furnace operated in the interim  conversion to LD operation was complete by the 1990s.