Taphole mix for molten metal taphole

Details Taphole mix for molten metal taphole Taphole mix for molten metal taphole

1998-05-26

1999-10-05

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 90, 501 92, 501 971, 501100, C04B 3552

Patent

active

059623578

ABSTRACT:
The object of the present invention is to provide a taphole mix for use in a molten metal taphole which has improved resistance to both wear and corrosion and enables prolonged tapping of iron and reduces difficult drilling. The taphole mix of the present invention is characterized in that it comprises a refractory base material in an amount of 65 to 92 wt % and a binder in an amount of 8 to 35 wt %, the binder consisting of an anhydrous coal tar having a fixed carbon content of 32.5 wt % or above.

REFERENCES:
patent: 4017316 (1977-04-01), Renkey et al.
patent: 4282039 (1981-08-01), Bullough
patent: 4399982 (1983-08-01), Henry, Jr.
patent: 5324352 (1994-06-01), Hughes et al.

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