FIELD: metallurgy, namely wall large-block panel apparatus of shaft furnace. SUBSTANCE: apparatus includes casing, cooling tubes inside refractory concrete and restrictors holding concrete. Said restrictors are provided with locking plates welded to them at side of furnace space in plane parallel to said casing. On ends of panels said plates form cavities open to side of adjacent panel. Width of said locking plate is equal to 1.3-1.5 of width of casing portion forming said cavity. One cavity is flanged. EFFECT: improved design. 2 dwg, 1 tbl
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