Rebuilding of a blast furnace stack bosh, and hearth using a...

Details Rebuilding of a blast furnace stack bosh, and hearth using a... Rebuilding of a blast furnace stack bosh, and hearth using a...

C - Chemistry, Metallurgy

21

B

25/102, 117/7, 3

C21B 7/06 (2006.01) F27B 1/14 (2006.01) F27D 1/16 (2006.01)

Patent

CA 1268381

REBUILDING OF A BLAST FURNACE STACK, BOSH, AND HEARTH USING A VERTICAL REMOTE CONTROLLED REFRACTORY GUNNING APPARATUS Abstract The disclosed process uses a vertical remote controlled refractory gunning apparatus to repair damages to the stack, bosh, or hearth of a blast furnace. In the disclosed method, a reusable opening is created in the side of the blast furnace and a gantry, for example, is inserted through the reusable opening. The vertical remote-controlled refractory gunning apparatus is then introduced into the blast furnace via the gantry. in those cases wherein the blast furnace is loaded through a chute, the chute is moved to one side, the gantry is introduced at an angle and the vertical remote controlled refractory gunning apparatus is introduced through the opening.

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