Production process and production system for reducing mica content in machine-made sand
The invention relates to the technical field of sandstone preparation, and particularly discloses a production process and a production system for reducing mica content in machine-made sand, the production process comprises the following steps: S1, sand making: performing three-stage crushing and fi...
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| creator | PAN YONG JIANG LINKUI LI PENG SHAO SHUAI WANG JUNZHI LIU CHENGYING XUE LINLI |
| description | The invention relates to the technical field of sandstone preparation, and particularly discloses a production process and a production system for reducing mica content in machine-made sand, the production process comprises the following steps: S1, sand making: performing three-stage crushing and first-stage sand making on mother rock in sequence to obtain finished aggregate of each stage and the machine-made sand; s2, the machine-made sand obtained in the step S1 is subjected to wind power sorting, the machine-made sand is graded through wind power, the machine-made sand is separated to form coarse sand and a mica mixture, and the mica mixture is composed of stone powder and fine-grain mica; and S3, the mica mixture obtained in the step S2 is classified through a high-frequency screen, fine mica in the mica mixture is removed, screen underflow and the coarse sand prepared in the step S2 are evenly mixed, and finished machine-made sand with the mica content smaller than 2% is obtained. And the mica content in |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL LIME, MAGNESIA METALLURGY MILLING GRAIN OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING REFRACTORIES SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SLAG SORTING TRANSPORTING TREATMENT OF NATURAL STONE |
| title | Production process and production system for reducing mica content in machine-made sand |
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