Tap-hole closing arrangement of a metallurgical vessel

Details Tap-hole closing arrangement of a metallurgical vessel Tap-hole closing arrangement of a metallurgical vessel

F - Mech Eng,Light,Heat,Weapons

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F27D 3/15 (2006.01) C21B 7/12 (2006.01) C21C 5/46 (2006.01)

Patent

CA 1111245

ABSTRACT OF THE DISCLOSURE: An arrangement for closing the tap hole of a metallur- gical vessel for separating metal and slag includes a closure body which is insertable into the tap hole on leaving free an annular gap relative to the tap hole wall, which contains a compressed-gas conduit and has an outer jacket tapering to- wards the mouth of the compressed-gas conduit. In order to ensure maintaining of an annular gap of constant size and thus the original diameter of the tap hole, the tap hole is set off in step-like manner so as to widen outwardly, the tap hole part having a larger diameter than that delimited by the lining of the metallurgical vessel being formed by a hollow body whose inner ring wall surrounds the outer jacket of the closure body peripherally at a radial distance and into whose cavity at least one supply and one discharge con- duit for a coolant enter.

336564

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