BLOCKAGE REMOVAL AIR CIRCUIT AT AIR CONVEYOR

摘要

PROBLEM TO BE SOLVED: To rapidly remove a blockage in a conveying pipe. SOLUTION: In the air conveyor, the material conveying pipe is connected from a material charging tool to a material receiving tool, one end of a conveying air suction pipe of which the other end is connected to a suction port of a suction pump is connected to the material receiving tool and a conveying air discharge pipe opened to the atmosphere is connected to a discharge port of the suction pump. In the blockage removal air circuit at the air conveyor, the conveying air suction pipe and an atmosphere suction pipe opened to the atmosphere are connected to the suction port of the suction pump and a valve for selectively communicating any one of the conveying air suction pipe and the atmosphere suction pipe with the suction port of the suction pump is provided. The conveying air discharge pipe and one end of a reverse feed pipe of which the other end is connected to the conveying air suction pipe are connected to the discharge port of the suction pump and a valve for selectively communicating any one of the conveying air discharge pipe and the reverse feed pipe with the discharge port of the suction pump is provided.