FIELD: construction.
SUBSTANCE: device comprises a supply 1 and a transit 2 channels, coupled with a water-receiving chamber, a draining pipeline with a flat gate in its inlet part and a dirt-collecting lattice 9. At the inlet of the water-receiving chamber there is a wall face. The wall face is made on top with a hollow pipe 8, having air outlet holes 10, connected by flexible hoses 12 with perforated tubes 13, separated on a garbage protection device in the form of the lattice 9. Perforated pipes are fixed on the lattice 9 at the side of the flat gate that closes the inlet hole of the draining pipeline. Perforated pipes 13 are connected to a source of compressed air supplied momentarily with a compressor 14, connected with a time relay 16, along an air duct 15 into a hollow pipe 8.
EFFECT: increased efficiency of operation of a device on channels with high inclinations and prevented clogging of a lattice.
3 cl, 4 dwg
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