| 主权项 |
1. A self-cleaning system for flushing an influent feed system (IFS) trough of a wastewater treatment facility by use of a supernatant comprising:
one or more IFS disposed in a first clarification tank, said one or more IFS in fluid communication with an influent stream, each IFS comprising a grit box to capture waste materials and to convey said waste materials into a hopper of said IFS, said hopper having at least one IFS discharge pipe to convey said materials out of said hopper as controlled by an IFS valve; at least a second clarification tank also comprising one or more IFS disposed in said second clarification tank, said one or more IFS in fluid communication with said influent stream, each IFS comprising a substantially same structure as said one or more IFS disposed in said first clarification tank; one or more pipes fluidly coupling at least one trough of said one or more IFS of said first clarification tank to at least one trough of said one or more IFS of said second clarification tank; and wherein a supernatant flows through said one or more pipes from a selected one of:
said second clarification tank to said at least one trough of said IFS of said first clarification tank when a fluid level of said supernatant in said second clarification tank is higher than said fluid level of said supernatant in said first clarification tank, orsaid first clarification tank to said at least one trough of said IFS of said second clarification tank when said fluid level of said supernatant in said first clarification tank is higher than said fluid level of said supernatant in said second clarification tank. |
