A integrated device for tertiary biochemical treatment sewage

The utility model provides an integrated device for tertiary biochemical treatment sewage, including the primary treatment unit that communicates in proper order, secondary treatment unit and tertiary treatment unit, the primary treatment unit includes the first filtering ponds of handling in proper order after sewage lets in, grit chamber and just heavy pond, the secondary treatment unit is including the equalizing basin of order intercommunication, hydrolysis -acidification pool and contact?oxidation?tank, the tertiary treatment unit is including the two heavy ponds and disinfection pond of order intercommunication, be provided with in the first filtering ponds along water flow direction's thick grid, the bottom of first filtering ponds is provided with the solid collecting pit, the bottom of grit chamber is provided with sand separation of water pond, the bottom in just heavy pond is provided with sludge tihckener, two bottoms that sink the pond are provided with the sludge impoundment. The beneficial effe