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Title:
MOLTEN METAL FEEDING EQUIPMENT FOR CONTINUOUS CASTING PROVIDED WITH SMALL TUNDISH
Document Type and Number:
Japanese Patent JPH08252651
Kind Code:
A
Abstract:

PURPOSE: To manufacture a slab containing small amount of non-metallic inclusion by a small tundish.

CONSTITUTION: The molten steel is fed from two ladies 1A, 1B to a small tundish 5 by rapidly switching a shut-off valve provided on upper molten steel feed tubes 3A, 3B. After the non-metallic inclusion is adsorbed and removed by a filter 6 made of refractory provided on the small tundish 5, the molten steel is distributed to two lower molten steel feed tubes 7A, 7B, and cast from immersed nozzles 11A, 11B in two molds 12A, 12B while preventing the oxidation of the molten steel by the sealing system. The slab containing small amount of the non-metallic inclusion can be manufactured by the small tundish unfavorable for floatation and separation of the non-metallic inclusion in the molten steel.


Inventors:
MIZOTA HISAKAZU
TAKASHIBA NOBUMOTO
Application Number:
JP1995000056072
Publication Date:
October 01, 1996
Filing Date:
March 15, 1995
Export Citation:
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Assignee:
KAWASAKI STEEL CO
International Classes:
B22D11/00; B22D11/10; B22D11/103; B22D11/106; B22D11/11; B22D11/112; B22D11/116; B22D11/117; B22D11/119; B22D43/00; (IPC1-7): B22D11/00; B22D11/10; B22D43/00
Attorney, Agent or Firm:
小林 英一