| 摘要 |
PROBLEM TO BE SOLVED: To catch and remove foreign matters such as chips of wood, trashes, strings, pieces of plastics, etc., by a foreign matter catcher provided to a connection section between both of any of transportation conveyor, kneading mixer, mixer, etc., for conveying construction generated soil in a foreign matter removal device and a soil improvement device equipped therewith and to make it possible to smoothly operate the soil improvement device to promote productivity. SOLUTION: A foreign matter catcher 2 for catching foreign matters E such as chips of wood, trashes, strings, pieces of plastics, etc., contained in construction generated soil is provided in a connection section between transportation conveyors A and B. A foreign matter removing pneumatic conveyor 20 for removing the foreign matters E caught by the foreign matter catcher 2 having a conveying outlet 14 provided so as to oppose it to the foreign matter catcher 2 and a foreign matter transportation conveyor C are provided to efficiently remove the foreign matters E.
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