Wastewater circulating treatment device for chemical product production

The invention discloses a wastewater circulation treatment device for chemical product production, which comprises a collection box, the side wall of the collection box is fixedly connected with an extension plate, the upper end face of the extension plate is fixedly connected with a connecting pipe, the connecting pipe is communicated with the collection box, the upper end face of the extension plate is fixedly connected with two symmetrically arranged outer baffles, and the outer baffles are fixedly connected with the collection box. The connecting pipe is arranged in the outer baffle, a plurality of filter plates which are arranged at equal intervals are arranged in the connecting pipe, and a communicating cavity is formed between the connecting pipe and the outer baffle. By means of the height difference between the collecting box and the connecting pipe, waste water in the collecting box is automatically discharged at the connecting position of the collecting box and the connecting pipe by means of the p