Filtrate recovery device for wet desulphurization gypsum dehydration system

The utility model relates to a filtrate recovery device for a wet desulphurization gypsum dehydration system, which comprises a gypsum cyclone assembly, a gypsum cyclone overflow box assembly, a wastewater cyclone, a filtrate pool assembly, a filtrate pool water inlet pipe and a desulphurization wastewater system water inlet pipe, an overflow pipe of the gypsum swirler is communicated with a liquid inlet of the gypsum swirler overflow box assembly through a pipeline, a liquid outlet of the gypsum swirler overflow box assembly is communicated with a liquid inlet of the wastewater swirler through a pipeline, and an underflow port of the wastewater swirler is communicated with a water inlet of the filtrate pool assembly through a pipeline; an overflow pipe of the wastewater cyclone is communicated with a desulfurization wastewater system water inlet pipe, and a liquid inlet of the filtrate pool assembly is communicated with a filtrate pool water inlet pipe. Compared with the prior art, the device has the advanta