Cover for casting ladle

Details Cover for casting ladle Cover for casting ladle

1982-02-24

1984-04-24

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

F27D 102, F27D 112

Patent

active

044452209

ABSTRACT:
A cover for a metallurgical vessel has a top part formed as a flat, generally circular, and normally horizontal array of tubes having an outer edge and forming a plurality of vertically throughgoing passages. These tubes extend mainly angularly of the center of the array. Respective pluralities of annular tubes at and extending around the passages are connected with each other at the center and with the tubes of the flat array. This top part has a skirt formed as an annular array of generally vertical tubes extending downwardly from the outer edge and connected with the tubes of the flat array. Respective partially circularly annular collars at the passages on the flat array have inwardly directed closely juxtaposed ends. The collars and tubes are connected together as a rigid assembly. A coolant is circulated through the tubes.

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