Building solid waste screening and crushing method and device

• Main Authors: XU PEILUN, JIANG HAO, ZHOU XINGKUI, WANG MING
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2023
• Subjects: CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS; 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; 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

The invention provides a building solid waste screening and crushing method and device, and mainly relates to the field of building solid waste treatment. The method mainly comprises the steps that building solid waste is fed from a feeding bin, and a pair of screening rollers installed on the feeding bin screen the diameters of the building solid waste during feeding; ferromagnetic materials in the building solid waste are subjected to adsorption and impurity removal through the adsorption effect of the first-stage magnetic suction roller; the materials are subjected to particle size screening in the screening machine, the materials with the small particle size are directly guided into the second-stage grinding machine to be smashed and ground, and the materials with the large particle size are guided into the first-stage crushing machine to be crushed into the materials with the small particle size; the primary crusher is used for crushing large-diameter materials; and the materials which are screened by th