Process for making fused-cast refractory products

Details Process for making fused-cast refractory products Process for making fused-cast refractory products

1995-05-16

1998-04-14

Speer, Timothy

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

264430, C04B 35653

Patent

active

057388113

ABSTRACT:
The melt produced in a furnace during the course of making a fused-cast refractory product is effectively treated with a beneficiating gas by injecting the gas in a substantially continuous manner through a tuyere extended beneath the surface of the melt throughout a production campaign and supporting the gas injection between campaigns.

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patent: 4417723 (1983-11-01), Kitamura
patent: 4943398 (1990-07-01), Endo
patent: 4992396 (1991-02-01), McGarry et al.
patent: 5171491 (1992-12-01), Kim
patent: 5329545 (1994-07-01), Dudill

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