Patent ID: 8685235
Filing Date: 2014-04-01
Classification: B01D,C02F,Y02W

Abstract:
1. An integrated sewage biochemical treatment plant comprising: at least one mechanical treatment device; a sewage-and-sludge mixing chamber with a circulation pump and connected to the at least one mechanical treatment device; a combined biological treatment device of from 5 to 15,000 m at least one aftertreatment device connected with the combined biological treatment device; wherein within the combined biological treatment device, the spray line includes trays with emptying fittings and reflecting disks, a distance from upper ends of the emptying fittings to the reflecting disks being from 0.8 to 2 m, and a distance between centers of the trays and a distance between axes of the emptying fittings being from 0.6 to 1.8 m; wherein a diameter of the water-jet aeratic columns ranges from 25 to 100 mm, a height of the water-jet aeratic columns above a liquid level in the aeration settling tanks is from 1.2 to 3.5 m, and a sinking height of the water-jet aeratic columns under the liquid level is from 1.5 to 4 m; and wherein a distance between cuts of upper aeration columns of the water-jet aeratic columns is from 50 to 500 mm and a distance between cuts of lower aeration columns of the water-jet aeratic columns is from 0.5 to 3 m.