Impact pad with rising flow surface

Details Impact pad with rising flow surface Impact pad with rising flow surface

1991-09-30

1992-07-21

Kastler, Scott

Metallurgical apparatus

Means for holding or supporting work

Receptacle

266229, 222594, C21B 714

Patent

active

051316358

ABSTRACT:
An improved impact pad includes a plurality of channels which direct the flow of molten iron or steel toward the tundish drains, and ramps which elevate the flow in the directions of the drains. The ramps cause the molten iron or steel to follow a trajactory path after leaving the impact pad, first rising and then falling toward the drains. The trajectory path increases the residence time of the molten iron or steel in the tundish, allowing more time for impurities to float to the top of the vessel. The trajectory path also helps propel the impurities partially toward the top of the tundish vessel.

REFERENCES:
patent: 1727565 (1929-09-01), Schall
patent: 2301880 (1942-11-01), Johnston, Jr.
patent: 2406380 (1946-08-01), Johnston, Jr.
patent: 3887171 (1975-06-01), Neuhaus
patent: 4033546 (1977-07-01), Guegan
patent: 4042229 (1977-08-01), Eccleston
patent: 4177855 (1979-12-01), Duchateau et al.
patent: 4209162 (1980-06-01), Petiau
patent: 4591135 (1986-05-01), Fosnacht et al.
patent: 4715586 (1987-12-01), Schmidt et al.
patent: 4993692 (1991-02-01), Brown et al.

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