FLOW ENERGY DAMPER FOR DISCHARGE SEWERAGE Russian patent published in 2017 - IPC E03F5/00 E03F5/02 E02B8/06 

FIELD: power industry.

SUBSTANCE: flow energy damper comprises a well 1, a supply manifold 2 and a drainage manifold 3. The well 1 through height is made by difference steps 4 in form of horizontal shelves. Each step 4 has jet guiding elements in form of concave discharge plane 5 of upward bent wall creating a chamber 6. The discharge plane wall 5 has inclined transverse waster output slotted opening 7 directed towards opposite wall of the well 1 and connecting formed cavity in form of the chamber with concave discharged plane above the step 4. On lower plane under step 4 an additional inclined shelf 8 is secured ensuring directing of the part of falling flow at angle to side also opposite to the concave discharge plane 5 of next step 4. Inside the well 1 at side of output part of the supply manifold 2 cap an inclined apron 9 is secured. A bottom 10 of well 1 is made with slope and coincides with bottom elevation of the drainage manifold 3. Such location of the jet guiding elements in form of narrowing passage through height of the well 1 creates a zig-zag difference towards its bottom 10.

EFFECT: increased operation efficiency and reliability of kinetic energy damping of divided flow and new combined on the well bottom upon water delivery to the drainage manifold, thus ensuring effective well washing of contaminants.

2 cl, 2 dwg