Automatic BOF vessel remaining lining profiler and method
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United States of America Patent
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-
Jun 30, 1992
Issued Date -
N/A
app pub date -
Feb 25, 1991
filing date -
Sep 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Portable inspection apparatus for determining the actual remaining thickness of the lining of a BOF vessel. The apparatus is mounted on a portable cart which can be wheeled into close proximity with the open top of a horizontally disposed furnace vessel. A laser transmitter directs a laser light beam toward the furnace lining. The light beam scattered from the vessel lining is received by a self-scanned linear array and correlated by means of a computer to provide a graphical representation of actual remaining lining thickness. Pneumatically operated locating members cooperate with positioning pads in the floor adjacent the vessel to accurately and repeatably position the cart with respect to the furnace coordinates. The inspection apparatus is also provided with computer processing to automatically scan a preselected area of the vessel lining less than the entire area in order to monitor lining locations of high potential wear. The processing also calculates the height of the molten metal for accurately positioning an oxygen lance.
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