METHOD FOR IMPROVING GRINDING, GRADING AND CAPACITY OF ORES BY REDUCING FINENESS CONTENT RATIO IN SETTLED ORES

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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Bibliographische Detailangaben
Hauptverfasser: 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
Format: Patent
Sprache:eng
Schlagworte:
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
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Beschreibung
Zusammenfassung: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.