Beneficiation method of micro-fine particle siderite
The invention discloses a beneficiation method of micro-fine particle siderite. Siderite raw ore is subjected to crushing and dry classification, oversize products are returned and crushed, undersize products are subjected to dry magnetic separation and tailing discarding, and dry magnetic separatio...
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| creator | ZHANG YINGXIN WANG ERFENG CHENG XIAOFENG YU ANZHOU DONG DONG |
| description | The invention discloses a beneficiation method of micro-fine particle siderite. Siderite raw ore is subjected to crushing and dry classification, oversize products are returned and crushed, undersize products are subjected to dry magnetic separation and tailing discarding, and dry magnetic separation concentrate is obtained; carrying out magnetizing roasting on the obtained dry magnetic concentrate, introducing nitrogen into magnetite obtained after roasting for cooling, and carrying out micro-powder grinding after cooling; and carrying out two-stage dry micro powder magnetic separation on the obtained qualified fine particle product to obtain a qualified concentrate product after magnetic separation. According to the method disclosed by the invention, the micro-fine particle siderite is treated by utilizing a mineral separation process of dry magnetic separation-magnetizing roasting-dry magnetic separation, so that the technical problems existing in a conventional wet fine grinding magnetic separation-revers |
| format | Patent |
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Siderite raw ore is subjected to crushing and dry classification, oversize products are returned and crushed, undersize products are subjected to dry magnetic separation and tailing discarding, and dry magnetic separation concentrate is obtained; carrying out magnetizing roasting on the obtained dry magnetic concentrate, introducing nitrogen into magnetite obtained after roasting for cooling, and carrying out micro-powder grinding after cooling; and carrying out two-stage dry micro powder magnetic separation on the obtained qualified fine particle product to obtain a qualified concentrate product after magnetic separation. 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| subjects | MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING |
| title | Beneficiation method of micro-fine particle siderite |
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