Backwashing sewage lifter and use method thereof

Abstract

The invention discloses a backwashing sewage lifter and a use method thereof. The backwashing sewage lifter comprises a closed water collecting tank and a control cabinet; at least two sewage liftingcircuits are arranged in the water collecting tank; each sewage lifting circuit comprises a terminal main pump and a lifting channel; one end of each lifting channel is connected with the output end of the main pump, and the other end of each lifting channel is communicated with a water inlet and a water outlet; water inlet check valves are arranged between the water inlets and the lifting channels, and water outlet check valves are arranged between the water outlets and the lifting channels; when the water level in the water collecting tank reaches the starting water level of one of the mainpumps, the control cabinet controls one of the main pumps to start to discharge water, back washing is carried out on the corresponding sewage discharge lifting circuit, water inflow is stopped or water inflow is carried out from the other sewage discharge lifting circuit; and when the water level is reduced to be lower than the starting water level of one main pump, the control cabinet controls one main pump to stop running. Compared with a traditional sewage pool and a lifting device, the backwashing sewage lifter has the beneficial effects of no blockage, no precipitation, no cleaning and no pollution, and the reduction of the occupied area.

Description

technical field

[0001] The invention relates to the field of sewage and sewage lifting devices, more specifically, a backwashing sewage lifter and a method for using the same. Background technique

[0002] The traditional washing sewage lifter is composed of an indoor water supply pit and a submersible pump. There are many problems: first, it takes up space. If you want to use it in the basement, you must have more space, but building a water storage pit will take up a lot of space. lots of space. Second, there is a peculiar smell, and the cement wall cannot stop the long-term infiltration of sewage. After one or two years, the whole basement will be filled with the smell of methane, which is not suitable for living. Third, it is easy to block. If it is closed, the dirt will accumulate in the water storage tank, and it will be blocked slowly, and the sewage in the basement will not be discharged. Fourth, the ammonia gas produced in the water pit cannot be removed; fifth, m...

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