Sorting Device Of Building Waste

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PURPOSE : A device for separating impurities from earth and sand of constructional waste is provided to efficiently separate impurities such as styrene foam, paper or wood pieces admixed with earth and sand, thereby improving regeneration efficiency of the earth and sand by using a rotational bar for positioning lighter material above heavy material and separating the lighter material. CONSTITUTION : The device comprises a conveyor(21) for feeding constructional waste(60); a separation screen(25) rotationally placed at the bottom side spaced from one end of the conveyor(21) to fall the constructional material(60) down; a conveyor axis(23) of the conveyor(21) and a screen axis of the separation screen(25) connected together by a rotation transfer device(24) to rotate the separation screen(25); and a blower(30) to blow off and separate the constructional waste(60) fallen from the separation screen(25). The screen(25) has divisional ribs formed at even or uneven intervals on outer side of the screen to hold the fallen constructional waste(60) and pass the waste(60) through a highest point. © KIPO 2006