Unpowered control energy-saving system for pressurizing and pumping drainage of regulating reservoir of sewage plant

Abstract

The invention discloses an unpowered control energy-saving system for pressurizing and pumping drainage of a regulating reservoir of a sewage plant. The unpowered control energy-saving system comprises a shunting control well, the regulating reservoir and a water collecting tank, the inlet end of the shunting control well is connected with a sewage header pipe, one outlet end of the shunting control well is connected with the regulating reservoir through a regulating reservoir water inlet pipe, and the other outlet end of the shunting control well is connected with the water collecting tank through a water collecting tank water inlet pipe; the regulating reservoir is connected with the water collecting tank through a regulating reservoir water outlet pipe, a submersible sewage pump is arranged in the water collecting tank and connected with a water collecting tank water outlet pressure pipe, and a valve well is arranged at an outlet of the water collecting tank. According to the unpowered control energy-saving system, the submersible sewage pump and the water collecting tank in the regulating reservoir with functions of regulating and storing the water collecting tank are separated, the water collecting tank and the submersible sewage pump are independently arranged, sewage preferentially enters the water collecting tank through the shunting control well, a simple series operation mode of the regulating reservoir and the water collecting tank is changed into a parallel operation mode, the water level of the water collecting tank is controlled by an unpowered control technology, namely a flap valve or a duckbill valve, so that high-water-level starting operation of the submersible sewage pump is realized.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an energy-saving system for pressurized pumping and drainage of a regulating tank of a sewage plant without power control. Background technique [0002] Whether it is industrial wastewater, urban sewage or domestic sewage, the amount of discharged wastewater is unbalanced within 24 hours. Generally speaking, the fluctuation of industrial wastewater is larger than that of urban sewage, and the fluctuation of small and medium-sized factories is even greater. This change is very unfavorable to the normal performance of the purification function of the wastewater treatment equipment, and may even cause the wastewater treatment system to be in a state of paralysis. Therefore, equalization and adjustment facilities, that is, adjustment pools, are generally set before the wastewater treatment system to ensure the normal operation of the system. [0003] Similarly, sewage plan...

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Problems solved by technology

[0006] The present invention aims at the energy waste of the falling water regulation, storage and pressurization system common in sewage plants at present, and provides an energy-saving system for pressurization, pumping and drainage of the regulating pool of sewage plants without power control , separate the submersible sewage pump and the sump in the regulating pool with the function of adjusting and storing the sump, and set the sump and the submersible sewage pump separately, and make the sewage preferentially enter the sump and the sump of the regulating pool through the diversion control well The operation mode is changed to the parallel operation mode, and then the unpowered control technology is used to control the water level of the sump by using the flap door or the duckbill valve, so as to realize the high water level start-up operation of the submersible sewage pump

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