Device for extracting high-purity sodium acrylate or sodium methacrylate from UV monomer production wastewater

The utility model discloses a device for extracting high-purity sodium acrylate or sodium methacrylate from UV monomer production wastewater, which comprises a neutralizing tank, a first conveying pipe, a multi-effect evaporation device, a second conveying pipe, an extraction crystallization tank, a third conveying pipe, a centrifugal machine, a fourth conveying pipe, a hot air dryer, a fifth conveying pipe and a solid storage tank which are connected in sequence, the centrifugal machine is further connected with a sixth conveying pipe, an ethanol mother liquor tank, a seventh conveying pipe,an ethanol rectifying tower, an eighth conveying pipe and an extract liquor storage tank in sequence, and the extract liquor storage tank is communicated with the extraction crystallization tank through a ninth conveying pipe. According to the device, effective recovery of sodium acrylate or sodium methacrylate in wastewater is realized, and recycling of deionized water obtained through multiple-effect evaporation is real