Method of using blast furnace scrap iron in slag to prepare puron materiel

The invention discloses a method for preparing highly pure metallic iron material using blast furnace metal and slag. By adopting magnetic-gravitational associated closed-circuit separation of a one-time magnetic separation, a one-time table concentration and returned middling for reselecting, the b...

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Bibliographische Detailangaben
Hauptverfasser:	LOU YUANTAO, LU HONGSHAN, YU YUN, AO JINQING, YOU TIANCAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATING SOLIDS FROM SOLIDS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a method for preparing highly pure metallic iron material using blast furnace metal and slag. By adopting magnetic-gravitational associated closed-circuit separation of a one-time magnetic separation, a one-time table concentration and returned middling for reselecting, the blast furnace iron slag with a small particle size are put into a ball mill for milling. After sieved, the magnetic separation and the table concentration are carried out for the milled material for obtaining the finished products. The invention has the advantages of short technical process, low energy consumption and no pollution, as well as capability of preparing iron material with high purity.