Thermal power plant boiler wastewater treatment device

The invention discloses a thermal power plant boiler wastewater treatment device which comprises a boiler and a W-shaped filter box, the W-shaped filter box is connected to the boiler, and a filter structure, a wastewater treatment structure and a cleaning structure are installed on the W-shaped filter box; the wastewater treatment structure comprises an inclined trapezoidal cylindrical block, a J-shaped siphon, a concentric-square-shaped spraying pipe, an atomizing nozzle, a spraying box, a spraying pump, a spraying tooth mounting pipe, a stirring circular ring, stirring blades, a stirring driver, a stirring magnet, a transmission metal rod and a stirring driving disc; the boiler cleaning device has the beneficial effects that solid matter in liquid obtained after boiler cleaning is rapidly filtered through the filtering structure, then the liquid is drained into the wastewater treatment structure according to the siphon principle, wastewater is drained through a plurality of sections of siphons, meanwhile,