Plug for use in a steel converter to minimize tapping off of...

Details Plug for use in a steel converter to minimize tapping off of... Plug for use in a steel converter to minimize tapping off of...

F - Mech Eng,Light,Heat,Weapons

27

D

39/98

F27D 3/15 (2006.01) C21C 5/46 (2006.01)

Patent

CA 1315100

PLUG FOR USE IN A STEEL CONVERTER TO MINIMIZE TAPPING OFF OF SLAG ABSTRACT OF THE DISCLOSURE A plug of refractory material is used in a steel converter to minimize tapping off of slag. In use it floats at the steel/slag interface and lodges in the taphole to indicate the end of tapping. The plug has a polyhedral shape and is shankless. To improve its ability to roll the plug has a surface which consists of a plurality of generally flat faces lying in respective planes with the planes of every adjacent pair of faces intersecting at angles not less than 90° and the plane of each face intersecting the plane of at least one adjacent face at an angle greater than 90°. Preferably the plug has two symmetrical tapering halves.

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