FIELD: process engineering.
SUBSTANCE: invention relates to cleaning of gravity pipelines and can be used in utilities systems and at enterprises that use sewage systems and storm water sewers. Proposed method consists in mechanical loosening of sediments inside pipeline and removing them by means of screw-surface shaft that converts rotation transferred by flexible shaft into motion to move said flexible shaft to loose sediments accumulated inside pipeline. Shaft to implement this method has opposite screw-shaped sides along lengthwise axis. Said shaft can have various diametre, different number of turns, pitch, angle and direction of coils.
EFFECT: reduced labor input and higher efficiency.
6 cl, 1 dwg
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