Water-jet loom wastewater advanced treatment system

The utility model relates to an advanced wastewater treatment system for a water-jet loom. The device comprises a water collecting tank, a regulating tank, an air floatation tank, a nitrification-denitrification treatment tank, a pH online monitoring instrument and a filter press, the water collecting tank is used for primarily filtering the wastewater; the adjusting tank adjusts the pH value of the wastewater; removal of suspended solids, the air floatation tank is used for removing dross and removing fine SS and chroma, so that CODcr is reduced; wherein the nitrification-denitrification treatment tank is used for removing organic pollutants in wastewater, the filter press is used for timely discharging and pressing surplus activated sludge in the aerobic tank into a sludge cake to be recycled, normal nitrification reaction in the aerobic tank is ensured, and the pH online monitoring instrument is arranged in the regulating tank, so that the water quality in the tank is ensured to meet the requirements, and