Method for lining a continuous casting distributor with a refrac

Details Method for lining a continuous casting distributor with a refrac Method for lining a continuous casting distributor with a refrac

1992-10-26

1994-09-27

Kastler, Scott

Metallurgical apparatus

Process

266280, 264 30, 501108, B22D 4102, C04B 3566

Patent

active

053501578

ABSTRACT:
Method for lining a distributor for the continuous casting of metals, in particular steel, comprising preparing material for constituting a wear-resistant refractory lining of the distributor with raw natural dolomite, or raw natural calcite, or a mixture of these two materials, which are chosen with a particle size of between 0 and 5 mm, incorporating in this raw material a binder in proportions of 0.4 to 5% by weight and a mineral or organic plasticizer in proportions of 0.2 to 3% by weight and, after the lining has been placed in position on the distributor in the aqueous form, proceeding to the decarbonation of this lining in the course of its drying and baking, characterized in that the method further comprises incorporating in the material of the lining at least one compound having the property of shrinking at temperatures lower than about 700.degree. C. This compound is preferably a hydroxide of an alcaline earth metal or a mixture of such hydroxides incorporated in the lining material in the proportion of 5 to 20%. The invention also provides a lining for a distributor and a distributor provided with this lining.

REFERENCES:
patent: 4001029 (1977-01-01), Cassens, Jr.
patent: 4681863 (1987-07-01), Yamamoto et al.
patent: 4802425 (1989-02-01), Dickson
patent: 4931415 (1990-06-01), Neudeck et al.
patent: 5188794 (1993-02-01), Daussan et al.

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