Waste liquid treatment device for production of chemical equipment

The invention discloses a waste liquid treatment device for production of chemical equipment. The waste liquid treatment device comprises a precipitation mechanism, a heat exchange mechanism, an air floatation mechanism and a neutralization mechanism, wherein the precipitation mechanism comprises a first box body, the first box body is fixedly connected with a filtering assembly, an inner cavity of the first box body is divided into an upper box body and a lower box body by the filtering assembly, the upper box body communicates with a sludge storage mechanism, the upper box body communicates with a water return mechanism, the inner wall of the upper box body is fixedly connected with a spraying assembly, and the lower box body communicates with the sludge storage mechanism; the heat exchange mechanism communicates with the top of the side wall of the lower box body; the air flotation mechanism comprises a second box body, an air flotation assembly, a feeding assembly and a deslagging assembly; and the neutra