Foreign matter removal device, gypsum-based building surface material manufacturing device, and foreign matter removal method

• Main Author: TANI, HIROKUNI
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2022
• Subjects: CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; DISPOSAL OF SOLID WASTE; 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; RECLAMATION OF CONTAMINED SOIL SOIL; 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

Provided is a foreign matter removal device that removes foreign matter in powder, the device comprising: a conveyance device that conveys the powder from a powder supply port to a discharge port; and a foreign matter sedimentation device that is disposed between the supply port and the discharge port on a conveyance path of the conveyance device and that causes the foreign matter in the powder to settle. The foreign matter sedimentation device includes: a foreign matter discharge port disposed at the lowest position in the height direction; and a bottom surface inclined toward the foreign matter discharge port.