Embedded protective brick for circular seam gas supply element for steelmaking

The invention relates to an embedded protective brick for a circular seam gas supply element for steelmaking, and belongs to the technical field of steelmaking. The protective brick consists of a square or round upper protective brick and a square or round lower protective brick, wherein each of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DONG RUI, LIN YING, LIU YAN, ZHAO JINXUAN, YANG LIBIN, ZHAO GE, LIU LIU, ZHANG XIDONG, WU WEI, ZHENG CONGJIE, YU JIAN, TONG PUQIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PERFORMING OPERATIONS POWDER METALLURGY PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	The invention relates to an embedded protective brick for a circular seam gas supply element for steelmaking, and belongs to the technical field of steelmaking. The protective brick consists of a square or round upper protective brick and a square or round lower protective brick, wherein each of the upper protective brick and the lower protective brick comprises the following components in percentage by weight: 60 to 95 percent of MgO and 5 to 40 percent of carbon; a round boss is formed on the lower part of the upper protective brick; a concave round groove is formed on the upper part of the lower protective brick; in practical application, the round boss is inserted into the concave round groove, so that the upper protective brick and the lower protective brick are well combined and positioned; a straight hole in which the circular seam gas supply element is arranged is drilled in the center of each of the upper protective brick and the lower protective brick; and on the contact surface of the lower protect