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KOS+ M openwell submersible pump. Small-scale sewage pumping is normally done by a submersible pump. This became popular in the early 1960s, when a guide rail system was developed to lift the submersible pump out of the pump station for repair, and ended the dirty and sometimes dangerous task of sending people into the sewage or wet pit. [1]
A four pole or six pole AC induction motor normally drives the pump. Rather than provide large open passages, some pumps, typically smaller sewage pumps, also macerate any solids within the sewage breaking them down into smaller parts which can more easily pass through the impeller. The interior of a sewage pump station is a very dangerous place.
In situations where a downward slope out of a building en route to a treatment system cannot be created, and a special collection sump pit and grinding lift "sewage ejector" pump are needed. By contrast, potable water supply systems are pressurized (up to 50 lbs/sq in or more) and do not require a continuous downward slope in their piping to ...
Low-level pumping stations were therefore needed to collect the sewage from such areas and pump it by means of additional sewers known as rising mains, to the main gravitation system. The first low-level area serviced was in Double Bay , where the PWD constructed five compressed air ejectors in 1898 and which served the BOOS until 1929.
The Ultimo Sewage Pumping Station is a heritage-listed sewerage pumping station located at William Henry Street in the inner city Sydney suburb of Ultimo in the City of Sydney local government area of New South Wales, Australia. As a result of the construction of an elevated roadway along William Henry Street, the pumping station now fronts ...
A vacuum sewer or pneumatic sewer system is a method of transporting sewage from its source to a sewage treatment plant. It maintains a partial vacuum , with an air pressure below atmospheric pressure inside the pipe network and vacuum station collection vessel.
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