Process for producing the refractory lining of a casting ladle

Details Process for producing the refractory lining of a casting ladle Process for producing the refractory lining of a casting ladle

1993-03-23

1996-06-25

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Furnace lining formation or repair

264 35, 264 36, B32B 3500, F27D 116

Patent

active

055297293

ABSTRACT:
A process for producing an inner refractory lining of a ladle or metallurgical vessel for casting steel. The inner refractory lining incorporates wall passages with conical nozzle bricks and/or bubble bricks. The inner lining is produced by using a thixotropic vibrational lining mass. Templates are employed to maintain openings for the wall passages during production of the inner lining. After the inner lining is produced, the templates are removed from the inner lining. Once the templates are removed from the inner lining, the conical nozzle bricks and/or the bubble bricks are inserted into the openings. Each of the bricks is mortared into an opening without using seating blocks. The bricks are mortared into the openings so that the bricks remain free from contact with the inner lining.

REFERENCES:
patent: 3963815 (1976-06-01), Ezaki et al.
patent: 4923180 (1990-05-01), Eitel
Wasmuht, "Das Stranggiessen Von Stahl," Stahleisen-Schriften, Heft 8, 1975, pp. 56-59.
Mafune et al., "Recent Process on Monolithic Refractories and Installation Methods in Japan," Journees d'Information Techniques . . . des Produits & Materiaux Refractaires, 1985.
Szezesny et al., "Bottom Inert Gas Blowing into an Electric Arc Furnace at Vallourec," Metallurgical Plant and Technology International, 1990, pp. 54-61.

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