A cooling element for shaft furnaces

Details A cooling element for shaft furnaces A cooling element for shaft furnaces

C - Chemistry, Metallurgy

21

B

39/67

C21B 7/10 (2006.01) F27B 1/24 (2006.01)

Patent

CA 2022276

A cooling element is disclosed for shaft furnace walls, comprising a metal plate (2) and coolant tubes (5). The lower edge of the plate (2) is formed as a supporting nose (4) for the refractory lining (7). The supporting nose possesses at least one additional cooling tube (6). The cooling element (1) according to the invention is assembled as a complete unit outside the furnace in a workshop. The refractory lining (7) consists of concentric annular sections of small bricks bonded or cemented together with the plate. The refractory bricks are provided with notches (8) at which the bricks are intended to break. If necessary, the layers of bricks in the lining (7) are provided with expansion joints (9). Bricks of different thermal conductivity may be used for the refractory lining (7).

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