article·1962-01-01

Proyecto de clasificación de los ladrillos refractarios de sílice

José María Palacios Reparaz

Abstract

espanolDespues de resaltar la importancia de los ladrillos de silice y sus utilizaciones, que son aun de interes a pesar del incremento de empleo del material refractario basico, se comentan brevemente las caracteristicas de estos ladrillos y los factores que afectan a su rendimiento. Se plantea la conveniencia de unas normas para los productos de silice en la industria siderurgica y se comentan algunas especificaciones extranjeras de estos materiales. Se considera conveniente dividir a los refractarios de silice segun sus condiciones de servicios y empleos, y asi se pasa, revista a la bibliografia tecnica extranjera sobre exigencias y propiedades de los ladrillos de silice destinados a la construccion de bovedas de hornos Siemens, bovedas de hornos electricos, baterias de coque, etc., etc. Todo ello junto con la necesidad de unas tolerancias dimensionales de Ios-ladrillos, permiten sacar unas conclusiones que sirven para fijar el proyecto de clasificacion de los ladrillos refractarios de silice. EnglishAfter pointing out the importance of silica refractories and their uses,, which are still of interest in spite of the increasing use of basic refractories, their characteristics as well as the factors affecting their efficiency are briefly considered. It is emphasized the conveiiience of standards for silica products in the steelmaking industry, and foreign specifications for these materials are discussed. It has been found useful to divide silica refractories after their service conditions and uses, and foreign bibliography on the requi-rements and properties of silica bricks for roof construction in open-hearth and electric furnaces as well as by-product coke ovens is-reviewed. The above statements together ivith the necessity of size variations in bricks, alloio the reader to dravj conclusions concerning the classifi-cation project for silica refractories.
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