F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
33/137
F27D 21/00 (2006.01)
Patent
CA 1137745
ABSTRACT OF THE DISCLOSURE The profile of a blast furnace charge is measured by supporting a plumb within the furnace and by causing it to hop up or down the profile of the charge. The plumb is at the end of a wire which is supported by a guide which can be inserted into and withdrawn from the furnace. A change in tension of the wire is detected when the plumb is lowered into contact with the charge, and this causes the plumb to be raised again. The wire is wound around a drum and the amount of drum rotation is detect- ed to determine the height of the charge at different longitudinal positions of the guide. The latter positions are measured by rotation of a drive for the guide. An end loop of the wire supports the plumb so that it does not swing as the guide is moved.
351165
Akimoto Keiichi
Tsuchida Tsuyoshi
Kawasaki Seitetsu Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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