Removal of slag and/or steel build-up from lances

Details Removal of slag and/or steel build-up from lances Removal of slag and/or steel build-up from lances

F - Mech Eng,Light,Heat,Weapons

27

D

F27D 25/00 (2010.01) F27D 3/16 (2006.01)

Patent

CA 2232445

A method of removing slag and/or steel build-up from lances in steel making furnaces includes blasting dry ice (solid CO2) pellets on to a hot lance as it is being drawn out of a furnace. A refractory or ceramic coating may be applied to the lance while it is being inserted into the furnace.

Une méthode pour enlever les scories et/ou l'acier accumulé sur les lances dans les fours pour la fabrication de l'acier consiste notamment à projeter des granules de glace sèche (CO2 solide) sur une lance chaude au moment où on la retire du four. On peut appliquer un revêtement réfractaire ou céramique sur la lance alors qu'on l'introduit dans le four.

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