FIELD: construction.
SUBSTANCE: invention is related to the field of sanitary engineering. System for waste water lift comprises prefabricated reservoir for liquids, such as domestic waste waters, faeces, etc. It also comprises device for reservoir emptying, such as pump connected to electric motor and arranged in the form of pump set with drive from electric motor, being fully or partially submerged into reservoir. At the same time reservoir comprises at least one inlet pipe and one outlet pipe for liquids, and system for waste water lift is equipped with device for pump switchover depending on liquid level in reservoir. Reservoir bottom or at least part of reservoir bottom area are arranged so that they are elastically deformable depending on the level of reservoir filling. One or more sensors are located on external side of elastically deformable area of reservoir bottom and its deformation is measured.
EFFECT: invention provides for device simplicity and reliability.
6 cl, 5 dwg
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