Tap hole plugs for metallurgical vessels

Details Tap hole plugs for metallurgical vessels Tap hole plugs for metallurgical vessels

C - Chemistry, Metallurgy

21

C

39/98

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

Patent

CA 1309583

FS 1383 ABSTRACT A plug for the tap hole (H) of a metallurgical vessel (V) is formed by inserting in the hole (H), a container (10) having a fixed end wall (12) and a movable end wall (14), the container (10) housing a bag (27) containing a refractory mortar (26), an aperture (34) being present between the fixed wall (12) and the serrated edge (32) of a housing wall (30). The container (10) is diametrically smaller than the hole (H) so that an annular clearance is present. When the movable wall (14) is urged towards the fixed wall (12), the bag (27) is ruptured and the mortar (26) egresses into the annular clearance to form the plug. The container (10) is inserted at the end of a plunger (50) arranged to hold the container (10) and actuable to move the movable wall (14) (Figure 8).

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