Chemical industry waste water purification device

The utility model discloses a chemical industry waste water purification device, it includes a horizontal tank, the internal portion of jar gets into to waste water holds the water purification outlet side to be equipped with the anaerobism pond in proper order, the fluctuation freight elevator pond, flocculation basin and neutralization pond, the waste water in anaerobism pond advances water piping connection has first filter to construct, be equipped with the first water pump with fluctuation freight elevator pond intercommunication in the anaerobism pond, be equipped with the hollow fiber membrane subassembly that constitutes by polypropylene material in the fluctuation freight elevator pond and communicate in the second water pump of flocculation basin, be equipped with the filter plate in the neutralization pond, the filter plate with the neutralization pond separate become to be arranged in upper portion with chamber and the flocculation chamber that lies in the lower part, be equipped with the third wa