A steelmaking furnace (22) is cleaned and maintained using a lance (28') which includes an elongated lance body (30') including at least one first nozzle opening (78') proximal to an end (34') that extends into the furnace (22) and at least one other second nozzle opening (74') spaced upwardly from the first nozzle opening (78').
申请公布号
WO9741270(A1)
申请公布日期
1997.11.06
申请号
WO1997US07102
申请日期
1997.04.29
申请人
LTV STEEL COMPANY;BERRY METAL COMPANY
发明人
WATKINS, RICHARD, R.;GOODSON, KENNETH, M.;RYMARCHYK, NICHOLAS, M., JR.
