METHOD FOR IMPROVING GRINDING, GRADING AND CAPACITY OF ORES BY REDUCING FINENESS CONTENT RATIO IN SETTLED ORES
A method of improving grinding, grading and capacity of ores by reducing a fineness content ratio θ0 in settled ores includes providing a two-stage ore grinding and grading system including a first fully closed circuit including a grinder and a hydrocyclone, or a two-stage ore grinding and grading s...
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| creator | LI, Houchao LI, Hongyan ZHANG, Hui FANG, Shu SONG, Huilin LI, Haibing LIU, Chaozhu DONG, Wei ZHAO, Jianyun LI, Ning LI, Yaoji XIONG, Guang'ai FANG, Shixiang ZONG, Shirong LU, Chang ZI, Jialin CHEN, Shuanggui |
| description | A method of improving grinding, grading and capacity of ores by reducing a fineness content ratio θ0 in settled ores includes providing a two-stage ore grinding and grading system including a first fully closed circuit including a grinder and a hydrocyclone, or a two-stage ore grinding and grading system including a first-stage open circuit, and controlling parameters for ore grinding and grading as follows: controlling a dc an value of a point B on a separation cone of a second-stage Φ500 mm hydrocyclone; controlling a fineness content ratio θ0 in settled ores; controlling a second-stage ore grinding and grading load Q2; and acquiring a first-stage grinding, grading and capacity Q of ores. |
| format | Patent |
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| subjects | CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING |
| title | METHOD FOR IMPROVING GRINDING, GRADING AND CAPACITY OF ORES BY REDUCING FINENESS CONTENT RATIO IN SETTLED ORES |
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