ISSN 2594-5300
44º Seminário de Aciaria — vol. 44, num.44 (2013)
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Due to the current economic situation, productivity improvement and cost reduction of refractories are strongly demanded. And purging plugs used for agitating steel on hot metal ladle is not an exception. Properties demanded for purging plugs as high gas blowing success rate; properties of metallurgical reaction and a satisfactory gas blowing for stirring performance; and long life. There are two types of purging plugs, porous plug which is focused more on a reliable bubbling, and slit plug (through-bore type) which is more focused on service life. However it is essential to develop the good characteristic of it, and reduce the week point of both types. The report will have as subject, a successful development of great characteristic of porous plug.
Due to the current economic situation, productivity improvement and cost reduction of refractories are strongly demanded. And purging plugs used for agitating steel on hot metal ladle is not an exception. Properties demanded for purging plugs as high gas blowing success rate; properties of metallurgical reaction and a satisfactory gas blowing for stirring performance; and long life. There are two types of purging plugs, porous plug which is focused more on a reliable bubbling, and slit plug (through-bore type) which is more focused on service life. However it is essential to develop the good characteristic of it, and reduce the week point of both types. The report will have as subject, a successful development of great characteristic of porous plug.
Palavras-chave
Refractory; Secondary steel making; Porous plug.
Refractory; Secondary steel making; Porous plug.
Como citar
Inoue, Masakazu;
Ojima, Tomohiro;
Kayama, Takeshi.
DEVELOPMENT OF PURGING PLUGS WITH HIGH PERFORMANCE AND LONG LIFE
,
p. 575-580.
In: 44º Seminário de Aciaria,
São Paulo,
2013.
ISSN: 2594-5300
, DOI 10.5151/2594-5300-22825
