Thermal power plant boiler citric acid washing waste liquid treatment device

The utility model discloses a thermal power plant boiler citric acid washing waste liquid treatment device, and relates to the technical field of citric acid washing waste liquid treatment, the thermal power plant boiler citric acid washing waste liquid treatment device comprises a settling tank, the bottom of the settling tank is fixedly provided with a circular truncated cone type base, and the top of the settling tank is fixedly provided with a plugging device; the filtering device is fixed in the settling tank, extends downwards to penetrate through the circular-truncated-cone-shaped base and is located below the circular-truncated-cone-shaped base, and a flow guide space is formed between the inner wall of the circular-truncated-cone-shaped base and the outer wall of the filtering device; the water pumping device is placed in the settling tank, and the height of the water pumping device is adjusted according to the height of the liquid level in the settling tank; through the arrangement of the first filt