Multi-level outlet weir for enhanced volumetric separation for stormwater treatment
AssigneeContech Engineered Solutions LLC
InventorZachariha J. Kent
Life of this patent
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Abstract
A method, system, and apparatus directed to an innovative approach for the treatment of stormwater utilizing hydrodynamic separator assembly designed to maximize flow movement for more efficient sediment removal and maximize water flow control.
Claims14
A hydrodynamic separator configured for installation within a stormwater drainage infrastructure, wherein the hydrodynamic separator has a substantially circular side wall with a top, with one or more access openings, a bottom, at least one inlet opening and at least one outlet opening;
- wherein said hydrodynamic separator contains an outlet weir, said outlet weir having a weir shelf and a wall, said outlet weir attached to said side wall of hydrodynamic separator via mounts, and positioned so that a top of the wall of the outlet weir is disposed across the outlet opening horizontally level;
- wherein the outlet weir has two or more orifices spaced apart vertically, including one or more orifices on the weir shelf of the outlet weir to control water level and discharge rate at low flow conditions and one or more orifices on the wall of the outlet weir to control water level and discharge rate at moderate flow conditions, and wherein the top of the wall of the outlet weir is set at a higher elevation than the two or more orifices to control the water level at higher flows that exceed the flow capacity of the two or more orifices below;
- wherein the one or more orifices on the weir shelf are configured to allow a limited flow to the outlet under low flow conditions so as to increase water level in the separator.
A hydrodynamic separator configured for installation within a stormwater drainage infrastructure, wherein the hydrodynamic separator has four side walls, a top, with one or more access openings, a bottom, at least one inlet opening and at least one outlet opening;
- wherein said hydrodynamic separator contains an outlet weir, said outlet weir having a weir shelf and a wall, said outlet weir attached to one of said four side walls of the hydrodynamic separator via mounts, and positioned so that a top of the wall of the outlet weir is disposed across the outlet opening horizontally level;
- wherein the outlet weir has two or more orifices spaced apart vertically, including one or more orifices on the weir shelf of the outlet weir to control water level and discharge rate at low flow conditions and one or more orifices on the wall of the outlet control weir to control water level and discharge rate at moderate flow conditions, and wherein the top of the wall of the outlet weir is set at a higher elevation than the two or more orifices to control the water level at higher flows that exceed the flow capacity of the two or more orifices below;
- wherein the one or more orifices on the weir shelf are configured to allow a limited flow to the outlet weir under low flow conditions so as to increase water lever in the separator.
Dependencies are inferred from the claim text.