EXTRUSION-TYPE SLURRY BRIQUETTE (BREKS) Russian patent published in 2014 - IPC C22B1/243 B28B3/20 B29C47/02 

FIELD: metallurgy.

SUBSTANCE: invention refers to ferrous metallurgy, and namely to agglomeration of iron-ore raw material. An extrusion-type slurry briquette obtained by means of a stiff vacuum extrusion method and containing a mineral binding agent, an iron- and/or iron-and-carbon containing wastes, including slurries, and if required, an iron-ore concentrate and/or iron ore, fluxing additives and carbon-containing materials, is used as a blast-furnace charge component. Ratio of weight contents of carbon and oxygen of iron oxides in a briquette does not exceed 0.76, fineness of materials contained in the charge for obtaining a briquette does not exceed 5 mm, and its weight does not exceed 0.5 kg.

EFFECT: invention ensures utilisation of metallurgical slurries and other metallurgical wastes by their briquetting so that high metallurgical properties of a slurry briquette are provided.

4 cl, 5 ex