| 摘要 |
A method of preparing a refractory brick boxed within a metal casing comprises forming a mixture of a granular refractory material (preferably a basic refractory material such as magnesite or a mixture of magnesite and chromite) and a chemical bonding agent (such as tar), pouring the mixture into a metal casing and pressing it therein, and then fairing and rectifying the surface of the refractory mix projecting over the edges of the metal casing. The cast brick obtained may then be tempered at a temperature of from 300 to 400 DEG C. |
