CLOGGING REMOVAL DEVICE FOR INFILTRATION GALLERY

摘要

PROBLEM TO BE SOLVED: To provide a clogging removal device for an infiltration gallery, which can recover water intake quantity by eliminating clogging of the infiltration gallery using a simple device, without use of a large-scale civil-engineering repair method.SOLUTION: The clogging removal device for the infiltration gallery includes a plurality of porous flush pipes (2) which are provided in gravel strata (11 and 12) on the upside of a water collecting pipe (1) and are supplied with compressed air from compressed air supply means and in which a plurality of air ejection holes for ejecting the supplied compressed air are formed.