STATION FOR SEWAGE PURIFICATION Russian patent published in 2004 - IPC

FIELD: biochemical purification of urban sewage. SUBSTANCE: the invention presents a station for sewage purification and may be used in the basic process of sewage biochemical purification, for example, urban sewage. The sewage purification station has a lattice, a sand site, a primary settler and a secondary settler, a filter, a basin -collector of rinsing water and a rinsing water pump. Additionally it is provided with an aerated grit chamber, two step-up pumps, a vertical pipes system, a jet device, a screw-type blade, a source of industrial oxygen, a water valve with a floating drive, a meter of concentration of the dissolved oxygen in the waste water, a setting device, a comparator, a servo drive, a valve, pressure sensors, electrified latches, electrified latches position sensors, a bactericidal installation and a control panel with corresponding communications. EFFECT: increased efficiency of sewage purification under changing in time input characteristics and ecological safety of the station. 1 dwg