FIELD: sewage facilities.
SUBSTANCE: surface inlet contains a working chamber with walls, bottom, head, cast-iron grate and pipe outlet from the well. The working chamber is made in form of truncated cone turned top down, which is equipped with hydrodynamic device in form of whirling converter consisting of pipes tangentially located at the outlet of surface inlet with a decreasing diameter in direction of flow movement.
EFFECT: invention provides an increase in operational qualities of surface inlet, acceleration of water drainage, as well as possibility of its use at high water flow rates in a stormwater stream.
1 cl, 2 dwg
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