One -way closed anti -overflow sump pit

The utility model discloses an one -way closed anti -overflow sump pit, including pit shaft, well lid, screen, anti -overflow pipe, the well lid is located the upper end of pit shaft, and the screen setting is at the pit shaft internal face and be located the below of well lid, and anti -overflow pi...

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Bibliographic Details
Main Author XUE SHOUNING
Format Patent
LanguageChinese
English
Published 05.12.2017
Subjects
CESSPOOLS
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SEWERAGE
SEWERS
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
WATER SUPPLY
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Summary:The utility model discloses an one -way closed anti -overflow sump pit, including pit shaft, well lid, screen, anti -overflow pipe, the well lid is located the upper end of pit shaft, and the screen setting is at the pit shaft internal face and be located the below of well lid, and anti -overflow pipe arranges in on the inner wall of the pit shaft of screen below, anti -overflow pipe intercommunication pit shaft and outside underdrain, the last check valve that is provided with of anti -overflow pipe, check valve make rivers can only follow pit shaft flow direction underdrain, the well lid comprises well lid main part, well lid shrouding, filter cartridge, and well lid main part and well lid shrouding form the linker, utilizes the water seal to realize one -way sealing, prevents inside external the letting out of pollutant gentleness of pit shaft, filter through filter cartridge and the screen debris in with sewage, prevent that debris from getting into the jam that the pit shaft led to the fact the pipeline,
Bibliography:Application Number: CN20172497930U